Mold design and manufacturing specialty refers to mold processing technology, production and maintenance. After the ability is reached, you can also do design, mainly design drawings, and train senior applied technical talents in mold design and manufacturing. Next, I will tell you some professional terms of mold design, hoping to help you.

1. Mould blank: A. Ji Long standard mould blank, made of yellow card steel (S50c);

B. According to the requirements of customers, we can choose other brand suppliers and customize special material molds.

2. Mold opening pit: the mold is made with mold opening pits between thimbles to facilitate mold removal during maintenance (3.0mm away from the screw position).

3. Oblique guide slider: Adding an oblique guide slider at the bottom of B plate can ensure smooth oblique ejection and return movements and ensure friction resistance.

4. Oblique square: made of P20, H 13 or pre-hardened H 13(DH2F). The surface is nitrided and hardened, which increases the wear resistance of the surface, is not easy to burn and strain, and the core is tough and not easy to break and deform, which improves the service life of the die.

5. Oblique square seat: made of P20 nitrogen, which increases the sliding surface of the inclined bottom, reduces the abrasion rate of the inclined bottom, improves the positioning accuracy of the inclined bottom, reduces the friction resistance of the inclined bottom, increases the ejection stability of the inclined bottom and prolongs the service life of the inclined bottom.

6. Add two ejection limit blocks on the needle board, especially to prevent the oblique seat from colliding with the B board and damaging the bevel edge.

7. Middle Holding Company: All molds larger than 3030 need 4 sets of middle holding companies, and molds smaller than 3030 need 2 sets of middle holding companies to prevent the ejection system from being unsmooth and prolong the service life of molds.

8. Template: the standard template of the mold factory, which is installed on the operator's side during plastic brewing to facilitate mold identification.

9. Air-diffusing insert: Air-diffusing insert is generally added to the vulnerable parts of the product, but air-diffusing needle or air-diffusing steel insert can also be added according to special circumstances, which is beneficial to exhaust and thus improves production efficiency. (using Japanese Porcerax Ⅱ PM-35 steel)

10. mold locking piece: in order to ensure the safety of suspension and transportation, it is necessary to add a locking piece to the side of the beer plastic manipulator. Two plates are installed on board A and board B, and three plates are installed on the panel and board B..

1 1. Velcro: The velcro of Japanese Datong or Taiwan Province province is equipped with grinding sleeves, which is convenient to increase the friction of velcro and prolong its service life.

12. Open an exhaust slot on the panel or nozzle plate to prevent the A and B plates from retracting due to vacuum when opening the mold.

13. Round head screw: When receiving the screw, the depth of the screw should be more than 2 times of the external diameter of the screw to ensure that the screw is not easy to loosen and slide in long-term production. (that is, tooth extraction)

14. Inserts: Small inserts inserted or knocked through are hardened by heat treatment, which increases the wear resistance of the inserts, prolongs the service life of the mold, improves the production efficiency of the mold, and thus reduces the cost.

15. Bevel: Taiwan Province or Japanese standard thimble or bevel is adopted, and the surface is hardened, which increases the wear resistance and prolongs the life of the mold, so that the line demoulding mechanism can meet the requirements of mass production.

16. Friction plate: In order to ensure wear resistance and convenient maintenance, the friction plate in the walking position is made of D2 material and hardened.

17. Line position: All line positions need to be hardened to ensure that the line positions can meet the mass production. Generally, H 13, P20, 420 and other materials are selected, and they are positioned with stops, wave screws, round head screws and slingshots. At the request of the guests, DME positioning clips can be used for positioning.

18. Friction plate at the bottom of the ranking: friction plate is added at the bottom of the ranking, which is convenient for maintenance, not easy to be pulled and worn, prolonging the life of the mold and improving production efficiency. Friction plates are usually made of D2 material and hardened.

19. linear slingshot: for the line position limited by slingshot, the slingshot should have a pre-tightening force of more than 5mm when opening the mold to ensure the accurate positioning of the line position.

20. beer handle lock: ensure the stability of plate a and plate b, prevent the deviation caused by irregular thread opening P.L, and ensure the accuracy of plastic products. In order to prevent thermal expansion and cold contraction, try to put it on the center line of the mold blank.

2 1. Using the molded meat as the original beer handle, the butt joint is accurately positioned, which reduces the gap of the bite position, prevents the abnormal P.L. deviation in the beer molding process, eliminates the burr that is easy to appear when the insert position is worn out, prolongs the service life of the mold and improves the quality of plastic parts.

22. Mold opening pit: Make a mold opening pit between Board A and Board B with a depth of 3.0-5.0mm, which is convenient for the maintenance of front and rear molds and at least 5.0mm away from the side nail. ..

23. The die square iron with a weight of more than 500kg needs a bell mouth. For the die blank with a width of more than 500x500, the bell mouth is added at the quadrangle of the A plate and the B plate, which is convenient for lifting and overturning the die blank, does not damage the die, facilitates the installation of the die, and increases the safety factor when handling the die. The bottom plate and the ejector plate are provided with clock hanging holes. The size of the bell-pulling hole should be engraved next to the hole, which is convenient for hanging the mold at a glance, and the bell is used purposefully to improve work efficiency.

24. The cooling water channel needs to be engraved with IN/OUT, which is convenient for the die-cutting machine to install or try out the cooling water channel at a glance, and will not connect the cooling water channel by mistake.

25. Japanese standard production: Japanese or Taiwan Province standard Japanese standard is selected.

26. Production of environmental labels: easy to identify plastic names and easy to recycle; The mold has many holes, and the number of holes should be 1, 2, 3, 4, etc. , so as to facilitate the accurate alignment of plastic products on the mold and facilitate subsequent follow-up.

27. The design and manufacture of all molds should be based on the reference angle to ensure the consistency of data acquisition, which is conducive to reducing the segment difference and machining error.

28. Slingshot: Slingshot made in Japan is adopted, so that the ejector plate moves synchronously with the ejector rod of the die cutting machine to prevent metal collision, so that the ejector plate can automatically return to its original position and improve automatic production.

29. Mandrel: made of 45# steel, with pipe positions at both ends, to ensure the smooth ejection of the return slingshot, and to ensure that the slingshot will not get stuck on the B plate or the ejector plate when it is ejected and compressed.

30. The spiral teeth connecting the throat nozzle adopt NPT 1/4 "or BSP 1/4" cone teeth to prevent throat water leakage; However, other specifications of connecting screw teeth can also be made according to customer requirements. There are usually four specifications for water conveyance channels: medium φ 1/4 ",φ 5/ 16", φ 3/8 "and φ 7/ 16", and the cooling system is sufficient for mass production, especially for those with deep bones, multiple bones and poor heat dissipation.

3 1. Throat plug: use PT cone teeth to cool the water delivery channel, and use headless screws to block the water delivery hole. When plastic products are brewed with high-temperature hot oil, the sealant tape is sealed with high-temperature adhesive tape to prevent water leakage when the adhesive tape melts at high temperature. Using headless screws to block water transportation can prevent water leakage and facilitate maintenance.

32. Meat: A. Corrosive materials, such as PC materials, adopt 420 series anticorrosive materials to prevent the mold cavity from rusting.

B Engineering plastics: steel materials such as ABS and P20 are selected.

C. Add fiber plastic: such as nylon +30% glass, and choose materials such as H 13 or 420 to prevent the glass fiber from wearing the mold too quickly.

33. Molded meat: A. Corrosive materials, such as PC materials, choose 420 series anticorrosive materials.

B. Engineering plastics: such as ABS, P20 or P2 1 is selected.

C. Add fiber plastics: materials such as nylon +30% glass, H 13 or 420 are hard to see.

34. Nozzle: Nozzle is made of 420 stainless steel and quenched to HRC 40-45. Ball head SR is determined according to the guest die cutting machine. In order to shorten the flow channel and facilitate the easy filling of products, it should be hidden as deep as possible (that is, increase the value of b, where the value of b is the depth of the spray gun position window and the value of c is the diameter of the spray gun position window). If the value of B exceeds 25mm, the value of C is φ φφ82mm. For example, B. The flange should be hidden in the panel for at least 5.0mm, the protruding panel should be 10mm, and the chamfer is 2.5x45, which is convenient for die cutting machine installation, and there are two screw holes on the flange for easy disassembly.

35. Flange: The material is Huang Ka medium carbon steel, and the size is determined according to the customer's die cutting machine, which is used to determine the correct position of the die relative to the die cutting machine.

36. For parts with deep cores or poor heat dissipation, water pipes or wells should be designed for cooling, so as to shorten the molding cycle and ensure the appearance quality of products. Spacers for water pipes and wells are made of stainless steel or copper to prevent rust and blockage of water delivery channels.

37. Beryllium copper insert: Beryllium copper produced in the United States or alloy copper produced in Japan can be added to the parts with more column bones and poor heat dissipation, so that the heat dissipation of the parts is faster, the plastic molding cycle is shortened and the production efficiency is improved.

38. For the shunt channel of the fine nozzle mold, it is necessary to add a crochet needle to pull it out, and the crochet needle is modified with a standard thimble to simplify the process and ensure its wear resistance. The back-off amount depends on the hardness of the plastic material, and the bottom of the hook pin should be less than 1mm to prevent the plastic material from flowing and causing excessive pressure loss.

39. When the height or width of the molded meat is greater than 350mm, or there are more than two molded meat pieces, a wedge is designed at the other end face of the reference angle, and the inclined plane of the wedge is 2-5, in order to facilitate the assembly and disassembly and ensure that the gap with the mold blank is zero.

40. Limit screw: Japanese or Taiwan Province standard specification, which ensures good stroke stability and is not easy to loosen.

4 1. Adding a slingshot at the nozzle plate of the three-plate mold can help the button between AB plates to delay the mold opening. First, open the water nozzle plate and cut off the water nozzle, which can prevent the sound of collision between the water nozzle plate and the A plate metal when closing the mold.

42. Dehydration screw: Japanese or Taiwan Province specifications and standards ensure good stroke stability and are not easy to loosen.

43. Add a dehydrator on plate A and plate B (in the direction of the mold) to prevent water from flowing to the parting surface and then entering the cavity or meat to rust the mold.

44. Needle return: the needle return tube is 1.5 times the diameter, and the rest positions are empty (except for the tube position, one side of B plate is empty by 0.5mm- 1.0mm), and the needle return surface is hardened with nitrogen.

45. Garbage nails: 4 garbage nails are installed between the bottom plate and the ejector plate for molds below 3030, and 6 or more garbage nails are installed between the bottom plate and the ejector plate for molds above 3030, so as to prevent the stains at the bottom of the ejector rod from affecting the accuracy of the ejector system.

46. Cylinder: Japanese or Taiwan Province standard specification. The copper needle of the cylinder is positioned by pressing plate to ensure the smooth ejection of the cylinder.

47. Chamfering: all machining holes (such as ejector pin hole, ejector pin hole, barrel hole, slingshot hole, screw hole, head bracket hole, pin hole, etc.). ) and the sharp corners of the die blank and die meat (except in special cases) must be chamfered. Prevent sharp mouths from scratching the hands of operators, etc.

48. Support head: made of 45# steel, to prevent the deformation of B plate (deformation causes the surface of P.L to exceed the edge, thus prolonging the service life of the mold and improving the quality and production efficiency of plastic products.

49. The exhaust slot should be opened on the P.L surface of the mold, and the exhaust slot should be opened on the deep bone insert to prevent poor exhaust during molding.

50. thimble: produced in Taiwan Province Province or Datong, Japan. All thimble holes are drilled and reamed to ensure that the sealing position of thimble is 15mm-30mm or 2-3 times the diameter of thimble. The clearance of other thimbles is φ 1.0mm-φ 8.0 mm, and the clearance is φ 8.0 mm, which is 65438.

5 1. sealing ring: the sealing ring made in Japan or Taiwan Province province is used, and the high-temperature sealing ring is used in the mold of high-temperature hot oil for beer, so as to prevent the common sealing ring from leaking at high temperature and delay the production cycle.

52. Under the mold (that is, in the direction of the mold), add four mold feet to prevent the throat from breaking when hanging the mold, so as to facilitate the stable placement of the mold.

53. Clamp: D2,01or P20 is used as an insert to increase its wear resistance, ensure smooth sliding and easy maintenance.

54. Guide slider: For large rows (generally greater than 150), add a guide slider in the middle, and use D2, 0 1 or P20 for stiffening to ensure smooth sliding of large rows.

55. Hot runner: It is made of DME hot runner or other hot runner specifications, and the processing method and technology should be strictly controlled to prevent the oxide protective layer outside the heating tube from falling off and the accessories from being used.

56. In injection molding, when the mold temperature is high, it is necessary to add asbestos mesh insulation board to the bottom plate for heat insulation, so that the heat of the mold does not convection with the die cutting machine, thus ensuring the constant temperature of the mold.

57. Electric nozzle: excellent DME electric nozzle with temperature control heating system is adopted, and the voltage of electric nozzle is 240V (except in special circumstances). The use of electric nozzles can shorten the period of beer molding, reduce or eliminate the existence of nozzle materials, reduce the process of cleaning nozzles, make beer molding products easy to fill, improve the degree of automation and reduce product costs.

58. When cylindrical parts or other shapes are deformed by air pressure due to vacuum during ejection, an air valve should be added, and air should be blown during ejection to prevent vacuum from deforming the products.

59. Before transporting the molds, the water channel has been cleaned and leak tested to ensure that the cooling channels, especially at the corners, are unobstructed.

60. The molds have been rusted before shipment, and the wooden cases should be strong.

6 1. Provide the mold drawings with the same final structure and size as the mold.

62. Provide specification data of all relevant accessories and parts, as well as required installation steps. ;