Needle embedding mechanism for injection molding machine
By designing the needle buried mechanism for injection molding machines, and using needle storage barrel and magnetic suction block to adsorb the conductive needle, the problem of the conductive needle cannot be fitted, and the operation efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421992451.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-16
AI Technical Summary
During the needle burial process of the injection molding machine, the conductive needle cannot fit with the bottom of the mold, resulting in the conductive needle being wrapped in the finished plastic parts and cannot play a conductive role.
A needle buried mechanism for injection molding machines is designed, including a needle storage barrel, a hollow electromagnetic suction cup, a stop and a magnetic suction block. The conductive needle is stored through the hollow electromagnetic suction cup. The power is cut off during injection molding and the conductive needle falls on the stop and is adsorbed by the magnetic suction block to ensure the stable position of the conductive needle.
It improves operating efficiency, ensures the stability and accuracy of the position of the conductive needle, improves product quality and consistency, avoids the appearance of the conductive needle and the stop gap, and improves the mold closure accuracy.
Smart Images
Figure CN223131215U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of needle embedding in injection molds, and more specifically, the utility model relates to a needle embedding mechanism for an injection molding machine. Background Art
[0002] An injection molding machine is a key device for manufacturing plastic products. It can form various shaped products from thermoplastic or thermosetting plastics through a plastic molding die. Its working principle is to add plastic raw materials into the barrel, melt them by external heating, and then, under the push of an injection cylinder, inject them into a closed mold cavity by a screw at high pressure and high speed. After pressure holding and cooling and shaping, the mold is opened to eject the product.
[0003] In the continuous and efficient production process of an injection molding machine, the needle embedding technology plays an important and undeniable role. In the production of various electronic plastic parts, conductive needles are accurately and efficiently embedded, and then are smoothly used for conduction or signal transmission without deviation. However, during the needle embedding process, the situation often occurs that the conductive needle cannot fit with the bottom of the mold, which results in the plastic wrapping the conductive needle in the finished plastic part, making it unable to play the role of conduction. Summary of the Utility Model
[0004] In order to overcome the above-mentioned defects of the prior art, a needle embedding mechanism for an injection molding machine is provided to solve the problems raised in the above background art.
[0005] To achieve the above object, the utility model provides the following technical solutions:
[0006] A needle embedding mechanism for an injection molding machine, including a moving mold, and a needle embedding mechanism is provided on the moving mold;
[0007] The needle embedding mechanism includes four needle storage barrels fixedly arranged on the top of the moving mold, four through holes are opened in the moving mold, hollow electromagnetic chucks are fixedly arranged at the positions of the four through holes in the moving mold, a core is fixedly arranged at the bottom of the moving mold, four first electric push rods are fixedly arranged at the four corners of the bottom end of the core, a fixed mold is fixedly arranged at the bottom of the four first electric push rods, and four stoppers are fixedly arranged on the top of the fixed mold, and magnetic attraction blocks are fixedly arranged in the four stoppers;
[0008] Through the above technical solution, when in use, only need to turn on the hollow electromagnetic chuck, and then put the iron core conductive needle into the needle storage barrel, so that the function of storing the iron core conductive needle can be achieved. During injection molding, power off the hollow electromagnetic chuck, and the iron core conductive needle can fall on the stopper, and the magnetic attraction block in the stopper can adsorb the iron core conductive needle.
[0009] Further, a guide block is fixedly arranged at the bottom of the moving mold, and a first guide groove is opened on the top of the fixed mold;
[0010] Through the above technical solution, the guiding block can enter into the first guiding groove to play a guiding role.
[0011] Furthermore, four guiding columns are fixedly arranged at the bottom of the guiding block, and four second guiding grooves are formed in the fixed mold.
[0012] Through the above technical solution, the guiding columns can enter into the second guiding grooves before the moving mold and the fixed mold are fitted together.
[0013] Furthermore, two side plates are fixedly arranged at the bottom of the fixed mold, and a bottom plate is fixedly arranged at the bottoms of the two side plates.
[0014] Through the above technical solution, the side plates are provided to facilitate the connection of the bottom plate.
[0015] Furthermore, a second electric push rod is fixedly arranged at the top of the bottom plate, and four pushing rods are fixedly arranged at the top of the electric push rod.
[0016] Through the above technical solution, after the plastic part is cooled, the second electric push rod can be activated to enable the second electric push rod to push the pushing rods to push out the cooled plastic part, completing the work.
[0017] Furthermore, a feed inlet is fixedly arranged at the top of the moving mold, and a runner is formed through the moving mold.
[0018] Through the above technical solution, the feed inlet is provided to facilitate the connection with an injection molding machine, and the runner is provided to facilitate the molten plastic part to enter into the runner.
[0019] Furthermore, four pushing grooves are formed through the fixed mold.
[0020] Through the above technical solution, the pushing grooves are provided to facilitate the sliding of the pushing rods therein.
[0021] The technical effects and advantages of the present utility model:
[0022] 1. For a needle-embedding mechanism for an injection molding machine proposed by the present utility model, during use, only need to turn on the hollow electromagnetic chuck, and then put the iron core conductive needle into the needle storage barrel, so that the function of storing the iron core conductive needle can be achieved. Through this setting, there is no need to put the iron core conductive needle before each injection molding, saving operation time and improving work efficiency. During injection molding, power off the hollow electromagnetic chuck, and the iron core conductive needle can fall on the stopper, and the magnetic attraction block in the stopper can adsorb the iron core conductive needle, thus effectively preventing the problem of gaps between the iron core conductive needle and the stopper, ensuring the stability and accuracy of the position of the iron core conductive needle during the injection molding process, and further contributing to improving the quality and consistency of the product.
[0023] 2. A needle-embedding mechanism for an injection molding machine proposed by the present utility model. The first electric push rod is activated to make the moving mold fit with the fixed mold. Before the moving mold and the fixed mold are fitted, the guiding column can first enter the second guiding groove. When the moving mold continues to descend, the guiding block can enter the first guiding groove, playing a guiding role and avoiding deviation, thereby improving the precision of mold closing. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a structural diagram proposed by the present utility model;
[0025] Figure 2 It is a semi-sectional view structural diagram at the needle storage barrel proposed by the present utility model;
[0026] Figure 3 It is a structural diagram at the moving mold proposed by the present utility model;
[0027] Figure 4 It is a structural diagram at the fixed mold proposed by the present utility model;
[0028] Figure 5 It is a structural diagram at the second electric push rod proposed by the present utility model.
[0029] The reference numerals are: 1. Moving mold; 2. Needle storage barrel; 3. Through hole; 4. Hollow electromagnetic chuck; 5. Core; 6. First electric push rod; 7. Fixed mold; 8. Stopper; 9. Magnetic attraction block; 10. Guiding block; 11. First guiding groove; 12. Guiding column; 13. Second guiding groove; 14. Side plate; 15. Bottom plate; 16. Second electric push rod; 17. Pushing rod; 18. Feeding port; 19. Runner; 20. Pushing groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0031] As shown in the attached Figures 1-5 A needle-embedding mechanism for an injection molding machine, including a moving mold 1, and a needle-embedding mechanism is provided on the moving mold 1;
[0032] The needle embedding mechanism includes four needle storage barrels 2 fixedly arranged on the top of the moving mold 1. Four through holes 3 are opened in the moving mold 1. Hollow electromagnetic chucks 4 are fixedly arranged at the positions of the four through holes 3 in the moving mold 1. A core 5 is fixedly arranged at the bottom of the moving mold 1. Four first electric push rods 6 are fixedly arranged at the four corners of the bottom end of the core 5. Four first electric push rods 6 are fixedly arranged at the bottom of the fixed mold 7. Four stoppers 8 are fixedly arranged on the top of the fixed mold 7. Magnetic absorption blocks 9 are fixedly arranged in the four stoppers 8. During use, just turn on the hollow electromagnetic chuck 4, and then put the iron core conductive needles into the needle storage barrels 2, so that the function of storing the iron core conductive needles can be achieved. During injection molding, cut off the power supply of the hollow electromagnetic chuck 4, and the iron core conductive needles can fall on the stoppers 8, and the magnetic absorption blocks 9 in the stoppers 8 can adsorb the iron core conductive needles.
[0033] In some embodiments, according to Figures 1-5 As shown, a guiding block 10 is fixedly arranged at the bottom of the moving mold 1. A first guiding groove 11 is opened on the top of the fixed mold 7. The guiding block 10 can enter the first guiding groove 11 to play a guiding role. Four guiding columns 12 are fixedly arranged at the bottom of the guiding block 10. Four second guiding grooves 13 are opened in the fixed mold 7. Before the moving mold 1 and the fixed mold 7 are fitted, the guiding columns 12 can enter the second guiding grooves 13 first. Two side plates 14 are fixedly arranged at the bottom of the fixed mold 7. Two side plates 14 are fixedly arranged at the bottom of the bottom plate 15. The side plates 14 are provided to facilitate the connection of the bottom plate 15. A second electric push rod 16 is fixedly arranged on the top of the bottom plate 15. Four pushing rods 17 are fixedly arranged on the top of the electric push rod 16. After the plastic part is cooled, the second electric push rod 16 can be activated to make the second electric push rod 16 push the pushing rods 17 to push out the cooled plastic part to complete the work. An inlet 18 is fixedly arranged on the top of the moving mold 1. A runner 19 is penetrated and opened in the moving mold 1. The inlet 18 is opened to facilitate the connection with the injection molding machine. The runner 19 is opened to facilitate the hot-melt plastic part to enter the runner 19. Four pushing grooves 20 are penetrated and opened in the fixed mold 7. The pushing grooves 20 are opened to facilitate the sliding of the pushing rods 17 therein.
[0034] Working principle of the utility model: When the utility model is in use, only need to turn on the hollow electromagnetic chuck 4, then put the iron core conductive needle into the needle storage barrel 2, then connect the pouring port to the feeding port, and turn on the first electric push rod 6 to make the moving die 1 fit with the fixed die 7. Before the moving die 1 and the fixed die 7 are fitted, the guide post 12 can first enter the second guide groove 13, and when the moving die 1 continues to descend, the guide block 10 can enter the first guide groove 11 to play a guiding role, making the cooperation between the core 5 and the fixed die 7 more fitting. Then, the hollow electromagnetic chuck 4 can be powered off to make the iron core conductive needle fall on the stop block 8, and the magnetic attraction block 9 in the stop block 8 can adsorb the iron core conductive needle, thus preventing the problem of gap between the iron core conductive needle and the stop block 8. Then, turn on the injection molding machine to make the hot melt plastic enter between the core 5 and the fixed die 7 through the runner 19 to complete the injection molding. After the plastic part is cooled, the second electric push rod 16 can be turned on to make the second electric push rod 16 push the push rod 17 to push out the cooled plastic part to complete the work.
Claims
1. A buried needle mechanism for an injection molding machine, including a moving mold (1), characterized in that: The moving die (1) is provided with a needle-embedding mechanism; The needle-embedding mechanism includes four needle storage cylinders (2) fixedly arranged on the top of the moving die (1). Four through holes (3) are formed in the moving die (1). Hollow electromagnetic chucks (4) are fixedly arranged at the positions of the four through holes (3) in the moving die (1). A core (5) is fixedly arranged at the bottom of the moving die (1). Four first electric push rods (6) are fixedly arranged at the four corners of the bottom end of the core (5). The bottoms of the four first electric push rods (6) are fixedly provided with a fixed die (7). Four stoppers (8) are fixedly arranged on the top of the fixed die (7). Magnetic attraction blocks (9) are fixedly arranged in the four stoppers (8).
2. The pin-inserting mechanism for an injection molding machine according to claim 1, wherein: A guide block (10) is fixedly arranged at the bottom of the moving die (1). A first guide groove (11) is formed in the top of the fixed die (7).
3. The needle-embedding mechanism for an injection molding machine according to claim 2, characterized in that: Four guide posts (12) are fixedly arranged at the bottom of the guide block (10). Four second guide grooves (13) are formed in the fixed die (7).
4. The needle-embedding mechanism for an injection molding machine according to claim 1, characterized in that: Two side plates (14) are fixedly arranged at the bottom of the fixed die (7). A bottom plate (15) is fixedly arranged at the bottoms of the two side plates (14).
5. The pin-inserting mechanism for an injection molding machine according to claim 4, wherein: A second electric push rod (16) is fixedly arranged on the top of the bottom plate (15). Four push rods (17) are fixedly arranged at the top of the electric push rod (16).
6. The pin-inserting mechanism for an injection molding machine according to claim 1, characterized in that: A feed port (18) is fixedly arranged on the top of the moving die (1). A runner (19) is formed through the moving die (1).
7. The needle-embedding mechanism for an injection molding machine according to claim 1, wherein: Four push grooves (20) are formed through the fixed die (7).