Injection molding device for cooling injection molded plate

Abstract

The present invention relates to the technical field of injection molding devices, and discloses an injection molding device for cooling injection molded plates, comprising an upper mold and a lower mold both in the shape of a plate, a mold groove being provided between the upper mold and the lower mold, a sprue sleeve being provided in the middle of the upper mold, the sprue sleeve passing through the middle of the upper mold, at least one mother groove being provided at the bottom end of the upper mold, and the mother groove being symmetrical along the center line of the sprue sleeve; a lower mold groove being provided at the top end of the lower mold, a tool mold being provided in the lower mold groove, the tool mold and the mother mold being coaxially arranged, a push rod being provided in the tool mold passing through the upper and lower parts thereof, and a push plate being provided at the bottom end of the push rod, the present invention aligns the upper mold and the lower mold by a limiting tube, and at the same time connects them through a conductor layer, so that a cooling film and an air-cooled mold are close to each other, thereby accelerating the cooling speed and improving the efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding devices, in particular to an injection molding device for cooling injection-molded plates. Background Art

[0002] The injection molding device is a tool for producing plastic products, and it is also a tool for giving plastic products a complete structure and precise dimensions. Injection molding, also known as injection molding, is a molding method that combines injection and molding. Injection molding is a processing method used in the mass production of certain parts with complex shapes. Specifically, it refers to the injection molding machine injecting the heated and melted plastic into the mold cavity under high pressure, and obtaining a molded product after cooling and solidification. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors and patterns, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. At a certain temperature, the completely molten plastic material is stirred by a screw, injected into the mold cavity with high pressure, and cooled and solidified to obtain a molded product. This method is suitable for the mass production of parts with complex shapes and is one of the important processing methods. However, during the process of removing the upper mold, the plastic product cannot completely adhere to the side of the lower mold, and some parts adhere to the upper mold, causing the product to be stretched and deformed. The usual solution is to extend the cooling time, which reduces production efficiency. Summary of the Invention

[0003] The purpose of the present invention is to provide an injection molding device for cooling injection molded plates, which can align the upper mold and the lower mold through a limiting tube, and connect them through a conductor layer, so that the cooling film and the air-cooled mold are close to each other, thereby accelerating the cooling speed and improving the efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an injection molding device for cooling injection molded plates, comprising an upper mold and a lower mold both in the shape of a plate, a mold groove being provided between the upper mold and the lower mold, further, a sprue sleeve being provided in the middle of the upper mold, the sprue sleeve passing through the middle of the upper mold, at least one mother groove being provided at the bottom end of the upper mold, the mother groove being symmetrical along the center line of the sprue sleeve; further, a lower mold groove being provided at the top end of the lower mold, a work mold being provided in the lower mold groove, the work mold and the mother mold being coaxially arranged, a push rod being provided in the work mold passing through the upper and lower parts thereof, and a push plate being provided at the bottom end of the push rod.

[0005] Furthermore, an upper push plate is screwed to the top of the upper mold, a through hole is provided in the middle of the upper push plate to cooperate with the gate sleeve, a positioning sleeve is provided at the top of the upper push plate to cooperate with the gate sleeve, a gate connected to the gate sleeve is provided in the middle of the positioning sleeve, an injection tube cavity connected to the gate is provided in the middle of the gate sleeve, the bottom end face of the gate sleeve is higher than the bottom end face of the upper mold in the Z direction, the cavity between the gate sleeve and the lower mold constitutes a main mold groove, the main mold groove is connected to the mother mold, and the main mold groove and the mother groove together constitute a mold groove.

[0006] The top end of the support column is provided with a support frame, and the top end of the support column is connected with the support frame to the support frame, and the support frame is connected with the support frame to the support frame.

[0007] Furthermore, the support block extends upward to the top of the lower mold so that the top surface of the support block is flush with the top surface of the lower mold, and a top plate is provided on the opposite sides of the support block, and the top of the top plate is in contact with the bottom end surface of the support plate; a downward extending limit groove is provided at the top of the support block, and a limit rod is provided in the limit groove, the limit rod is coaxial with the limit groove, and the limit rod is integrally connected to the upper mold; the support column is a telescopic rod, and a reverse thrust spring is provided on the outside of the support column.

[0008] Furthermore, cooling pipes are provided in both the upper mold and the lower mold, and the cooling pipes are arranged on the outside of the mold groove. A limiting tube is provided at the bottom end of the upper mold, and the limiting tube is connected to the cooling pipe. A limiting groove is opened in the lower mold, and the limiting groove is connected to the cooling pipe in the lower mold. The limiting groove and the limiting tube are coaxially arranged.

[0009] Furthermore, the limiting tube includes an upper limiting tube and a lower limiting tube. The lower limiting tube is arranged in the limiting groove. The upper limiting tube is composed of a conductor layer, an isolation layer and a reinforcement layer from the outside to the inside. The length of the conductor layer and the isolation layer along the center line direction is the same, and the length of the isolation layer along the center line direction is less than the length of the isolation layer. The lower end of the upper limiting tube is provided with an upper guide tooth extending downward, and the gap between the upper guide teeth constitutes a clamping groove; the lower limiting tube is composed of a lower conductor layer, a lower isolation layer and a lower reinforcement layer from the outside to the inside. The length of the lower isolation layer and the lower reinforcement layer along the center line direction is the same, and the length of the lower conductor layer along the center line direction is less than the length of the lower reinforcement layer. The lower limiting tube is slidably fitted with the upper limiting tube, and a lower guide tooth is provided at the top of the lower conductor layer, and the lower guide tooth is fitted with the clamping groove.

[0010] Furthermore, a cooling component is provided on the outside of the mold groove, and the cooling component includes a cooling jacket, which is integrally connected to the upper mold, and the cooling jacket has a groove that cooperates with the mold groove. A number of rebound grooves are provided on the top of the cooling jacket. It also includes a cooling film, which cooperates with the groove of the cooling jacket, and the bottom of the cooling film is integrally connected to the cooling jacket. The cavity between the cooling film and the cooling jacket constitutes a cooling cavity. It also includes an air-cooling film, which cooperates with the cooling film, and the air-cooling film and the cavity of the cooling film constitute an air-cooling channel. A plurality of telescopic components are provided on the outside of the air-cooling film.

[0011] Furthermore, the telescopic component includes an electromagnetic component, which is fixedly connected to the cooling film, and also includes a permanent magnet, which is arranged on the outer side of the air-cooled film. The permanent magnet is coaxial with the electromagnetic component, and a telescopic rod is provided between the permanent magnet and the electromagnetic component, and a telescopic spring is provided on the outside of the telescopic rod.

[0012] The present invention has the following beneficial effects over the prior art:

[0013] 1. A reverse thrust spring is provided on the outside of the support column. When the support plate is pushed downward, the reverse thrust spring is in a compressed state. Under the action of the reverse thrust spring, the push rod is driven upward by pushing the push plate, thereby pushing the cooled injection molded part upward, thereby reducing the energy consumption of the outside world for pushing the push rod.

[0014] 2. A limiting tube is provided at the bottom end of the upper mold, and a limiting groove is opened in the lower mold. The limiting tube includes an upper limiting tube and a lower limiting tube. The upper limiting tube and the lower limiting tube are both tubular. The upper limiting tube and the lower limiting tube are coaxially arranged and slidably matched, so that the cooling pipes of the upper mold and the lower mold are connected. At the same time, the upper limiting tube 1801 and the lower limiting tube 1803 are both composed of a conductor layer, an isolation layer and a reinforcement layer. At the same time, multiple upper limiting tubes and lower limiting tubes are used to limit the displacement of the upper mold and the lower mold in the XY plane, thereby reducing the middle line marks on the outer side of the product and improving the appearance of the product. Finally, it serves as a switch of the telescopic component to control the working state of the telescopic component.

[0015] 3. When the injection device injects liquid plastic into the mold groove, the telescopic component always applies pressure to the plastic part during the cooling process, which will improve the surface finish of the product. When the upper mold and the lower mold are separated, the spring of the telescopic component applies an upward force to the air-cooling film, allowing outside air to enter the gap between the plastic part and the air-cooling film, facilitating demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an axonometric diagram of the present invention;

[0017] Figure 2 For the present invention Figure 1 sectional view of

[0018] Figure 3 A cross-sectional view of an embodiment of the present invention;

[0019] Figure 4 For the present invention Figure 3 Schematic diagram of the limiting tube in;

[0020] Figure 5 For the present invention Figure 3 A partial enlarged schematic diagram;

[0021] Figure 6 For the present invention Figure 5 Exploded diagram;

[0022] Figure 7 It is a southwest axonometric view of the waste recycling assembly of the present invention;

[0023] Figure 8 This is a southeast axonometric view of the waste recycling assembly of the present invention.

[0024] In the figure: lower base plate 1, straight rod 2, retaining ring 3, upper push plate 4, return spring 5, positioning sleeve 6, gate 7, push plate 8, support plate 9, upper mold 10, cooling jacket 1001, cooling film 1002, telescopic component 1003, air cooling film 1004, air cooling channel 1005, lower mold 11, gate sleeve 12, push rod 13, mold 14, mother groove 15, cooling pipe 16, mold groove 17, limiting pipe 18, Upper limiting tube 1801, upper guide tooth 1802, lower limiting tube 1803, lower guide tooth 1804, clamping groove 1805, reverse thrust spring 19, support column 20, limiting rod 21, limiting groove 22, support block 23, waste recovery assembly 24, connecting rod 2401, hydraulic telescopic rod 2402, push plate 2403, material guide fixing groove 2405, waste box 2406, cutting knife 2407, guide plate 2408. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] In one embodiment, Figure 1 and Figure 2The injection molding device shown is for cooling an injection molded plate, comprising an upper mold 10 and a lower mold 11 both of which are plate-shaped, a mold groove 17 being provided between the upper mold 10 and the lower mold 11, a sprue sleeve 12 being provided in the middle of the upper mold 10, the sprue sleeve 12 passing through the middle of the upper mold 10, at least one mother groove 15 being provided at the bottom end of the upper mold 10, the mother groove 15 being symmetrical along the center line of the sprue sleeve 12; a lower mold groove being provided at the top end of the lower mold 11, a tooling mold 14 being provided in the lower mold groove, the tooling mold 14 being coaxially arranged with the mother mold 15, a push rod 13 being provided in the tooling mold 14 passing through the upper and lower parts thereof, a push plate 8 being provided at the bottom end of the push rod 13.

[0027] Among them, the top of the upper mold 10 is screwed with an upper push plate 4, and a through hole cooperating with the gate sleeve 12 is opened in the middle of the upper push plate 4. A positioning sleeve 6 cooperating with the gate sleeve 12 is provided at the top of the upper push plate 4, and a gate 7 connected to the gate sleeve 12 is opened in the middle of the positioning sleeve 6. An injection tube cavity connected to the gate 7 is opened in the middle of the gate sleeve 12. The bottom end face of the gate sleeve 12 is higher than the bottom end face of the upper mold 10 in the Z direction. The cavity between the gate sleeve 12 and the lower mold 11 constitutes the main mold groove, which is connected to the mother mold 15, and the main mold groove and the mother groove 15 together constitute the mold groove 17.

[0028] In this embodiment, the bottom end surface of the gate sleeve 12 is higher than the bottom end surface of the upper mold 10 in the Z direction, so that the upper mold 10 and the lower mold 11 are tightly fitted, so that the cavity between the gate sleeve 12 and the lower mold 11 constitutes the main mold groove. At the same time, the main mold groove is connected with the mother groove 15, so that the main mold groove and the mother groove 15 together constitute the mold groove 17. During pouring, the upper mold 10 is pushed downward to fit tightly with the lower mold 11, and then the liquid raw material is injected into the mold groove 17 through the pouring gun connected to the gate 7. After cooling is completed, the mold in the mold groove 17 is pushed upward by pushing the push rod 13 to complete the injection molding operation.

[0029] like Figure 2 As shown, a support plate 9 is provided at the bottom end of the lower mold 11, a through hole is provided on the support plate 9, and a support block 23 is provided at the bottom end of the support plate 9. There are two support blocks 23 and they are symmetrically arranged along the support plate 9. The support blocks 23 are arranged at the left and right ends of the push plate 8. The support blocks 23 slide with the push plate 8. A lower base plate 1 is provided at the bottom end of the support block 23. A through hole running through the upper and lower parts is provided in the middle of the lower base plate 1. A support column 20 is provided at the top end of the lower base plate 1. The top end of the support column 20 is connected to the push plate 8 And it is arranged between the opposite surfaces of the support block 23, a straight rod 2 is provided at the top of the lower base plate 1, there are two straight rods 2 and they are symmetrically arranged along the lower base plate 1, the straight rod 2 is arranged on the opposite side of the support block 23, the straight rod 2 passes through the upper push plate 4 and extends upward, a retaining ring 3 is provided at the top of the straight rod 2, and a return spring 5 is provided on the outside of the straight rod 2 between the retaining ring 3 and the upper push plate 4; it also includes a main push rod, the main push rod is provided at the top of the push plate 8, the main push rod and the gate sleeve 12 are coaxially arranged, the main push rod passes through the lower mold 11 and the support plate 9 and slides together.

[0030] In this embodiment, a straight rod 2 is provided at the top of the lower base plate 1 of the present invention. There are two straight rods 2 and they are symmetrically arranged along the lower base plate 1. The straight rods 2 pass through the upper push plate 4 and extend upward, so that the upper mold 10 can only move in the Z direction during movement, preventing the female groove 15 of the upper mold 10 from colliding with the tooling 14 of the lower mold 11, thereby reducing equipment loss and extending the service life of the equipment.

[0031] Among them, by providing a retaining ring 3 at the top of the straight rod 2, and providing a return spring 5 on the outside of the straight rod 2 between the retaining ring 3 and the upper push plate 4; after the injection molding operation is completed, the upper mold 10 is pulled upward under the action of the return spring 5, and the energy stored in the return spring 5 is released to reduce energy consumption;

[0032] In addition, a support plate 9 is provided at the bottom end of the lower mold 11, and a through hole is opened on the support plate 9 to slide with the push rod 13, and a support block 23 is provided at the bottom end of the support plate 9, and a lower base plate 1 is provided at the bottom end of the support block 23. A support column 20 is provided at the top of the lower base plate 1, and the top of the support column 20 is connected to the push plate 8, and a push plate 8 is provided at the bottom end of the push rod 13. That is, in order to facilitate pushing the push rod 13, a through hole running through the top and bottom is opened in the middle of the lower base plate 1, and then the push plate 8 is installed between the support blocks 23, wherein the support column 20 is installed at the bottom end of the push plate 8, and the top of the push plate 8 is connected to the push rod 13. During operation, the external hydraulic rod passes through the through hole of the lower base plate 1, and then contacts the push plate 8 and pushes the push plate 8 to move upward, wherein the push rod 13 slides with the support plate 9 and the work mold 14, so that the push rod 13 at the top of the push plate 8 moves upward, pushing the product upward.

[0033] In one embodiment, Figure 3 As shown, the support block 23 extends upward to the top of the lower mold 11 so that the top surface of the support block 23 is flush with the top surface of the lower mold 11, and a top plate is provided on the opposite surface of the support block 23, and the top of the top plate is in contact with the bottom end surface of the support plate 9; a downwardly extending limit groove 22 is provided at the top of the support block 223, and a limit rod 21 is provided in the limit groove 22, and the limit rod 21 is coaxial with the limit groove 22, and the limit rod 21 is integrally connected to the upper mold 10; the support column 20 is a telescopic rod, and a reverse thrust spring 19 is provided on the outside of the support column 20.

[0034] The push rod 13 is pushed upward by the push plate 8, thereby pushing the molded part 11 upward and the molded part 11 downward.

[0035] In addition, if Figure 4 As shown, cooling pipes 16 are provided in both the upper mold 10 and the lower mold 11. The cooling pipes 16 are arranged on the outside of the mold groove 17. A limiting tube 18 is provided at the bottom end of the upper mold 10. The limiting tube 18 is connected to the cooling pipe 16. A limiting groove is opened in the lower mold 11. The limiting groove is connected to the cooling pipe 16 in the lower mold 11. The limiting groove and the limiting tube 18 are coaxially arranged.

[0036] The limiting tube 18 includes an upper limiting tube 1801 and a lower limiting tube 1803. The lower limiting tube 1803 is arranged in the limiting groove. The upper limiting tube 1801 is composed of a conductor layer, an isolation layer and a reinforcement layer from the outside to the inside. The length of the conductor layer and the isolation layer along the center line direction is the same, and the length of the isolation layer along the center line direction is less than the length of the isolation layer. The lower end of the upper limiting tube 1801 is provided with an upper guide tooth 1802 extending downward, and the gap between the upper guide teeth 1802 constitutes a clamping groove 1805; the lower limiting tube 1803 is composed of a lower conductor layer, a lower isolation layer and a lower reinforcement layer from the outside to the inside. The length of the lower isolation layer and the lower reinforcement layer along the center line direction is the same, and the length of the lower conductor layer along the center line direction is less than the length of the lower reinforcement layer. The lower limiting tube 1803 is slidably matched with the upper limiting tube 1801, and a lower guide tooth 1804 is provided at the top of the lower conductor layer, and the lower guide tooth 1804 is matched with the clamping groove 1805.

[0037] In this embodiment, in order to connect the cooling pipes 16 of the upper mold 10 and the lower mold 11, a limiting tube 18 is provided at the bottom end of the upper mold 10, and a limiting groove is opened in the lower mold 11, wherein the limiting tube 18 includes an upper limiting tube 1801 and a lower limiting tube 1803, that is, the upper limiting tube 1801 is integrally connected to the upper mold 10, and the lower limiting tube 1803 is provided in the limiting groove; secondly, the upper limiting tube 1801 and the lower limiting tube 1803 are both composed of a conductor layer, an isolation layer and a reinforcement layer, and at the same time, the conductor of the upper limiting tube 1801 The lengths of the layer and the isolation layer along the center line direction are the same, and the length of the isolation layer along the center line direction is shorter than the length of the isolation layer; the length of the lower conductor layer of the lower limiting tube 1803 along the center line direction is shorter than the length of the lower reinforcement layer, so that when the upper mold 10 and the lower mold 11 are tightly fitted, the reinforcement layer and the lower reinforcement layer of the upper limiting tube 1801 and the lower limiting tube 1803 are tightly fitted, and at the same time, the lower guide tooth 1804 of the lower limiting tube 1803 is embedded in the clamping groove 1805, thereby reinforcing the upper limiting tube 1801 and the lower limiting tube 1803;

[0038] Secondly, a slide groove is provided on the outer side of the lower isolation layer of the lower limiting tube 1803, and the slide groove is arranged along the center line direction. A slider (not shown in the figure) that cooperates with the slide groove is provided on the inner side of the upper guide tooth 1802 of the upper limiting tube 1801 to avoid separation of the upper limiting tube 1801 and the lower limiting tube 1803. Finally, the displacement of the upper mold 10 and the lower mold 11 in the XY plane is limited by multiple upper limiting tubes 1801 and lower limiting tubes 1803, that is, it is ensured that the upper mold 10 and the lower mold 11 only move in the Z direction, and the translational movement in the XY plane is limited to improve the appearance of the product.

[0039] Finally, if Figure 5-6 A cooling component is also provided on the outside of the mold groove 17, and the cooling component includes a cooling jacket 1001, which is integrally connected to the upper mold 10, and the cooling jacket 1001 has a groove that cooperates with the mold groove 17. A number of rebound grooves are provided on the top of the cooling jacket 1001. It also includes a cooling film 1002, which cooperates with the groove of the cooling jacket 1001, and the bottom end of the cooling film 1002 is integrally connected to the cooling jacket 1001. The cavity between the cooling film 1002 and the cooling jacket 1001 constitutes a cooling cavity 1006. It also includes an air-cooling film 1004, which cooperates with the cooling film 1002, and the cavity of the air-cooling film 1004 and the cooling film 1002 constitutes an air-cooling channel 1005. A plurality of telescopic components 1003 are provided on the outside of the air-cooling film 1004.

[0040] The telescopic component 1003 includes an electromagnetic component, which is fixedly connected to the cooling film 1002. It also includes a permanent magnet, which is arranged on the outer side of the air-cooled film 1004. The permanent magnet and the electromagnetic component are coaxial. A telescopic rod is provided between the permanent magnet and the electromagnetic component, and a telescopic spring is provided on the outside of the telescopic rod.

[0041] The cooling assembly of the present invention is arranged in both the upper mold 10 and the lower mold 11. The cooling assembly in the lower mold 11 is arranged in the tool mold 14. The cooling assembly of the lower mold 11 adopts a conventional arrangement, that is, it is composed of an S-shaped cooling duct 16. Secondly, the gate sleeve 12 of the present invention is provided with an air guide groove (not shown in the figure). The air cooling channel 1005 of the cooling assembly in the upper mold 10 of the present invention is connected to the air guide groove. At the same time, multiple telescopic assemblies 1003 are provided on the outside of the air cooling membrane 1004. The bottom end of the air cooling membrane 1004 is connected to the cooling membrane 1002 by a telescopic plate. The cooling membrane 1002 is provided with an air outlet connected to the cooling cavity 1006.

[0042] Secondly, both ends of the telescopic assembly 1003 are connected to the limiting tube 18 via wires, that is, the upper limiting tube 1801 and the lower limiting tube 1803 of the limiting tube 18 serve as switches of the telescopic assembly 1003;

[0043] When the upper mold 10 and the lower mold 11 are tightly fitted, the conductor layer and the lower conductor layer of the upper limiting tube 1801 and the lower limiting tube 1803 of the limiting tube 18 are connected, so that the telescopic component 1003 is energized, and the electromagnetic component of the telescopic component 1003 works to generate a magnetic field. The magnetic field repels the permanent magnet, causing the air-cooled mold 1004 to move downward, that is, when liquid plastic is injected into the mold groove 17 through the injection device, the air-cooled mold 1004 squeezes the hot-melt plastic and shapes the hot-melt plastic more quickly, that is, the surface finish of the product is improved, and appropriate pressure is always maintained on the plastic part during the cooling process. Secondly, in the process of applying pressure to the plastic part, cooling water enters the cooling cavity 1006 through the cooling pipe 16. Since the cooling film 1002 is groove-shaped and has a small thickness, the contact area is expanded and the cooling speed is increased;

[0044] Secondly, at least two micropores are provided on the cooling film 1002, which are connected to the cooling cavity 1006. The external air pump sends the external cold air into the air cooling channel 1005 through the air guide groove. The water in the cooling cavity 1006 can enter the air cooling channel 1005 through the micropores to form water mist, thereby increasing the cooling rate and improving the efficiency.

[0045] Finally, when the upper mold 10 is separated from the lower mold 11, the conductor layer and the lower conductor layer of the upper limiting tube 1801 and the lower limiting tube 1803 of the limiting tube 18 are disconnected, and the spring of the telescopic component 1003 applies an upward force to the air-cooling film 1004, so that the outside air can enter the gap between the plastic part and the air-cooling film 1004, making it easier to take out the plastic part.

[0046] like Figure 7 and 8As shown, it also includes a waste recycling component 24, which includes a hydraulic pump installed at the top of the lower base plate 1, and also includes a push plate 2403, which is arranged on the outer side of the upper mold 10, and a plurality of hydraulic telescopic rods 2402 are provided on the side of the push plate 2403 away from the upper mold 10, and the hydraulic telescopic rods 2402 are connected to the hydraulic pump through the provided connecting rod 2401, and also includes a cutting knife 2407, and a material guide fixed groove 2405 is provided on both sides of the cutting knife 2407, and also includes a waste box 2406, and the waste box 2406 is fixedly connected to the material guide fixed groove 2405, and also includes a material guide plate 2408, which is arranged below the cutting knife 2407 and fixedly connected to the lower mold 11.

[0047] In this embodiment, the cooled mold is pushed upward by the push rod 13 and the upper mold 10 is restored to its initial state. Then, the mold falls to the top of the lower mold 11 under the action of gravity, and the remaining material in the gate 7 will cool down together with the mold. Then, the hydraulic pump drives the hydraulic telescopic rod 2402 to extend, and the hydraulic telescopic rod 2402 pushes the push plate 2403 to move the mold toward the cutting knife 2407. Then, under the action of the cutting knife 2407, the excess part of the mold is cut off. Then, as the push plate 2403 continues to push, the mold is pushed away from the guide plate 2408. The remaining waste enters the waste box 2405 for collection and then is reused after processing, saving raw materials.

[0048] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An injection molding device for cooling an injection molded plate, comprising an upper mold and a lower mold, both of which are plate-shaped, with a mold groove provided between the upper mold and the lower mold, characterized in that: A sprue bushing is provided in the middle of the upper mold, which passes through the middle of the upper mold. At least one female groove is provided at the bottom of the upper mold, and the female groove is symmetrical along the center line of the sprue bushing. A lower mold groove is provided at the top of the lower mold, and a tool mold is provided in the lower mold groove. The tool mold and the tool mold are coaxially arranged. A push rod is provided in the tool mold and passes through the upper and lower parts thereof, and a push plate is provided at the bottom end of the push rod. The upper mold and the lower mold are both provided with cooling pipes, which are arranged outside the mold groove. A limiting pipe is provided at the bottom end of the upper mold, which is connected to the cooling pipe. A limiting groove is opened in the lower mold, which is connected to the cooling pipe in the lower mold. The limiting groove and the limiting pipe are coaxially arranged. The limiting tube includes an upper limiting tube and a lower limiting tube, the lower limiting tube is arranged in the limiting groove, the upper limiting tube is composed of a conductor layer, an isolation layer and a reinforcement layer from the outside to the inside, the conductor layer and the isolation layer have the same length along the center line direction, the isolation layer is shorter than the isolation layer in the center line direction, the lower end of the upper limiting tube is provided with an upper guide tooth extending downward, and the gap between the upper guide teeth constitutes a clamping groove; the lower limiting tube is composed of a lower conductor layer, a lower isolation layer and a lower reinforcement layer from the outside to the inside, the lower isolation layer and the lower reinforcement layer have the same length along the center line direction, the lower conductor layer is shorter than the lower reinforcement layer in the center line direction, the lower limiting tube is slidably matched with the upper limiting tube, a lower guide tooth is provided at the top of the lower conductor layer, and the lower guide tooth is matched with the clamping groove; The outside of the mold groove is also provided with a cooling assembly, which includes a cooling jacket, the cooling jacket is integrally connected to the upper mold, the cooling jacket is provided with a groove that matches the mold groove, and the top of the cooling jacket is provided with a plurality of rebound grooves. It also includes a cooling film, the cooling film is matched with the groove of the cooling jacket, the bottom of the cooling film is integrally connected to the cooling jacket, and the cavity between the cooling film and the cooling jacket constitutes a cooling cavity. It also includes an air-cooling film, the air-cooling film is matched with the cooling film, and the air-cooling film and the cavity of the cooling film constitute an air-cooling channel. A plurality of telescopic components are provided on the outside of the air-cooling film. The telescopic assembly includes an electromagnetic assembly, which is fixedly connected to the cooling film, and also includes a permanent magnet, which is arranged on the outer side of the air-cooled film. The permanent magnet and the electromagnetic assembly are coaxial, a telescopic rod is provided between the permanent magnet and the electromagnetic assembly, and a telescopic spring is provided on the outside of the telescopic rod.

2. The injection molding device for cooling injection molded plate materials according to claim 1, characterized in that: An upper push plate is screwed on the top of the upper mold, a through hole is provided in the middle of the upper push plate to cooperate with the gate sleeve, a positioning sleeve is provided at the top of the upper push plate to cooperate with the gate sleeve, a gate connected to the gate sleeve is provided in the middle of the positioning sleeve, an injection tube cavity connected to the gate is provided in the middle of the gate sleeve, the bottom end surface of the gate sleeve is higher than the bottom end surface of the upper mold in the Z direction, the cavity between the gate sleeve and the lower mold constitutes a main mold groove, the main mold groove is connected to the mother mold, and the main mold groove and the mother groove together constitute a mold groove.

3. The injection molding device for cooling injection molded plate materials according to claim 2, characterized in that: The top end face of said lower mold is provided with a support column, and the top end of said lower mold is provided with a straight rod, and said straight rod has two ends and is symmetrically arranged along said support column, and said straight rod is connected with said push rod to the upper mold bottom end.

4. The injection molding device for cooling injection molded plate materials according to claim 3, characterized in that: The support block extends upward to the top of the lower mold so that the top surface of the support block is flush with the top surface of the lower mold. Top plates are provided on the opposite sides of the support block, and the top of the top plate contacts the bottom end surface of the support plate; a downward extending limit groove is provided at the top of the support block, and a limit rod is provided in the limit groove, the limit rod is coaxial with the limit groove, and the limit rod is integrally connected to the upper mold; the support column is a telescopic rod, and a reverse thrust spring is provided on the outside of the support column.

Images