Plastic connecting piece injection mold

Abstract

The utility model provides a plastic connecting piece injection mold, which relates to the technical field of injection molds and comprises a base, a lower mold is fixedly mounted at the top of the base, a plurality of storage grooves are formed in the lower mold in a penetrating manner, abutting plates are slidably mounted in the storage grooves, connecting plates are arranged at the bottoms of the abutting plates, and a fixing groove is formed in the top of the base. Electric telescopic rods are fixedly installed at the bottom of the base. During replacement, a worker starts the electric telescopic rod, the telescopic end of the electric telescopic rod is stretched, the connecting rod and the abutting plate are pushed to ascend, then the worker pulls the pulling plate, the pulling plate drives the clamping block to move, and the clamping block enters the limiting groove, so that the clamping plate can be pulled out, a new abutting plate is reset, the clamping plate enters the connecting groove, and the clamping plate extrudes the clamping block; and when the clamping groove moves to the position beside the clamping block, the clamping block enters the clamping groove under the elastic force effect of the spring, the clamping plate and the abutting plate are fixed, replacement is completed, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for a plastic connector. Background Art

[0002] Injection molds are tools for producing plastic products; they are also tools that give plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes; specifically, it refers to the process of injecting heated and melted plastic into the mold cavity under high pressure by an injection molding machine, and then cooling and solidifying to obtain a molded product.

[0003] In the prior art, after plastic molding, it is necessary to demold the plastic. Some plastic products with special shapes are difficult to take out manually, so some molds will use a telescopic device to push the product out of the mold through a push plate. Some push plates are set inside the mold. These push plates may be damaged by external force after long-term use or when leaving the mold, so they need to be replaced. The replacement is cumbersome and wastes the working time of the staff. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that push plates are arranged inside the mold, and these push plates may be damaged after long-term use, so they need to be replaced, and the replacement is relatively cumbersome, and a plastic connector injection mold is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a plastic connector injection mold, comprising a base, a lower mold is fixedly installed on the top of the base, a plurality of storage slots are penetrated inside the lower mold, a plurality of storage slots are slidably installed with abutment plates inside, a connecting plate is arranged at the bottom of the abutment plate, a fixing slot is provided on the top of the base, an electric telescopic rod is fixedly installed on the bottom of the base, the telescopic end of the electric telescopic rod penetrates the base into the fixing slot and is fixedly installed with the bottom plate, a plurality of connecting rods are fixedly installed on the top of the bottom plate, the top of the connecting rod is fixedly connected to the bottom of the connecting plate, a connecting slot is provided on the top of the connecting plate, a limiting slot is provided on the inner wall of the connecting slot, a spring is fixedly installed on the inner wall of the limiting slot, a card block is fixedly installed on one end of the spring, a sliding slot is penetrated inside the inner wall of the limiting slot, a pull plate is fixedly installed on the bottom of the card block, the pull plate is slidably connected to the sliding slot, a card plate is slidably installed inside the connecting slot, a card slot is provided on the outer wall of the card plate, and the card block is slidably connected to the card slot.

[0006] Preferably, a water tank and a water pump are fixedly installed on the top of the base, a cooling groove is opened inside the lower mold, a connecting pipe is fixedly connected between the input end of the water pump and the water tank, a water inlet pipe is fixedly connected between the output end of the water pump and the cooling groove, and a water outlet pipe is fixedly connected between the cooling groove and the water tank.

[0007] Preferably, two adjustment seats are symmetrically installed on the top of the base, and motors are fixedly installed on the top of the two adjustment seats. Threaded rods are rotatably installed inside the two adjustment seats, and the output ends of the two motors respectively pass through the two adjustment seats and are fixedly connected to the threaded rods. The outer walls of the two threaded rods are threaded with sliders.

[0008] Preferably, an upper mold is fixedly installed on one side opposite to the two sliding blocks, and an injection molding tube is installed through the top of the upper mold.

[0009] Preferably, positioning rods are fixedly installed at the four corners of the bottom of the upper mold, and pressure sensors are fixedly installed at the bottom of the four positioning rods.

[0010] Preferably, positioning holes are provided at four corners of the top of the lower mold, and the four positioning holes are slidably connected to four positioning rods respectively.

[0011] Preferably, a liquid inlet pipe is installed through the top of the water tank, and a first pipe cover is threadedly connected to the top of the liquid inlet pipe.

[0012] Preferably, a liquid outlet pipe is installed through the outer wall of the lower mold, one end of the liquid outlet pipe enters the cooling groove, and the end of the liquid outlet pipe away from the cooling groove is threadedly connected to the second pipe cover.

[0013] Preferably, the outer wall of the clamping plate fits with the inner wall of the connecting groove, and the outer wall of the clamping block fits with the inner wall of the clamping groove and the inner wall of the limiting groove respectively.

[0014] Preferably, support frames are fixedly mounted on the four corners of the bottom of the base.

[0015] Compared with the prior art, the advantages and positive effects of the utility model are:

[0016] 1. In the utility model, when replacing, the staff starts the electric telescopic rod, the telescopic end of the electric telescopic rod is stretched, pushing the connecting rod and the abutment plate to rise, and then the staff pulls the pull plate, the pull plate drives the card block to move, the card block enters the limit groove, so that the card plate can be pulled out, the new abutment plate is reset, the card plate enters the connecting groove, the card plate squeezes the card block, the spring is compressed, and when the card slot moves to the side of the card block, the card block enters the card slot under the elastic force of the spring, fixes the card plate and the abutment plate, and the replacement is completed, thereby improving the replacement efficiency.

[0017] 2. In the utility model, during cooling, the staff starts the water pump, and the water pump draws the coolant in the water tank into the connecting pipe, and then passes it into the cooling tank through the water inlet pipe. When the coolant fills the cooling tank, the coolant in the cooling tank can cool the plastic, and then the coolant enters the water outlet pipe and finally returns to the water tank, thus forming the flow of the coolant and further accelerating the cooling of the plastic. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model provides an overall stereogram of a plastic connector injection mold;

[0019] Figure 2 Another perspective view of a plastic connector injection mold provided by the utility model;

[0020] Figure 3 A sectional perspective view of a base of an injection mold for a plastic connector is provided for the utility model;

[0021] Figure 4 A cross-sectional view of a connecting plate of an injection mold for a plastic connector is provided for the utility model;

[0022] Figure 5 The utility model provides a lower mold sectional view of a plastic connector injection mold.

[0023] Legend: 1. Base; 2. Support frame; 3. Lower mold; 4. Positioning hole; 5. Adjustment seat; 6. Motor; 7. Upper mold; 8. Injection tube; 9. Water tank; 10. Water pump; 11. Threaded rod; 12. Slider; 13. Electric telescopic rod; 14. Positioning rod; 15. Pressure sensor; 16. Storage slot; 17. Fixing slot; 18. Bottom plate; 19. Connecting rod; 20. Connecting plate; 21. Abutment plate; 22. Cooling slot; 23. Connecting slot; 24. Card plate; 25. Limiting slot; 26. Spring; 27. Card block; 28. Card slot; 29. ​​Slide; 30. Pull plate; 31. Connecting pipe; 32. Water inlet pipe; 33. Water outlet pipe; 34. Liquid inlet pipe; 35. First pipe cover; 36. Liquid outlet pipe; 37. Second pipe cover. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0026] Embodiment 1, as Figure 1-Figure 5As shown, the utility model provides a plastic connector injection mold, including a base 1, a lower mold 3 is fixedly installed on the top of the base 1, a plurality of storage slots 16 are penetrated and opened inside the lower mold 3, a plurality of storage slots 16 are slidably installed inside the plurality of storage slots 16, a connecting plate 20 is arranged at the bottom of the abutment plate 21, a fixing slot 17 is opened at the top of the base 1, an electric telescopic rod 13 is fixedly installed at the bottom of the base 1, the telescopic end of the electric telescopic rod 13 penetrates the base 1 into the fixing slot 17 and is fixedly installed with a bottom plate 18, and a plurality of connecting Rod 19, the top of the connecting rod 19 is fixedly connected to the bottom of the connecting plate 20, a connecting groove 23 is provided at the top of the connecting plate 20, a limiting groove 25 is provided on the inner wall of the connecting groove 23, a spring 26 is fixedly installed on the inner wall of the limiting groove 25, a clamping block 27 is fixedly installed on one end of the spring 26, a sliding groove 29 is provided through the inner wall of the limiting groove 25, a pull plate 30 is fixedly installed at the bottom of the clamping block 27, the pull plate 30 is slidably connected to the sliding groove 29, a clamping plate 24 is slidably installed inside the connecting groove 23, a clamping groove 28 is provided on the outer wall of the clamping plate 24, and the clamping block 27 is slidably connected to the clamping groove 28.

[0027] The effect achieved by the entire embodiment 1 is that, when replacing, the staff starts the electric telescopic rod 13, the telescopic end of the electric telescopic rod 13 is stretched, pushing the connecting rod 19 and the abutment plate 21 to rise, and then the staff pulls the pull plate 30, the pull plate 30 drives the block 27 to move, the block 27 enters the limit groove 25, so that the card plate 24 can be pulled out, the new abutment plate 21 is reset, the card plate 24 enters the connecting groove 23, the card plate 24 squeezes the block 27, the spring 26 is compressed, and when the card slot 28 moves to the side of the block 27, the block 27 enters the card slot 28 under the elastic force of the spring 26, fixes the card plate 24 and the abutment plate 21, and the replacement is completed, thereby improving the replacement efficiency.

[0028] Embodiment 2, as Figure 1-Figure 5 As shown, further, a water tank 9 and a water pump 10 are fixedly installed on the top of the base 1, a cooling groove 22 is opened inside the lower mold 3, a connecting pipe 31 is fixedly connected between the input end of the water pump 10 and the water tank 9, a water inlet pipe 32 is fixedly connected between the output end of the water pump 10 and the cooling groove 22, and a water outlet pipe 33 is fixedly connected between the cooling groove 22 and the water tank 9.

[0029] Furthermore, two adjustment seats 5 are symmetrically installed on the top of the base 1, and motors 6 are fixedly installed on the top of the two adjustment seats 5. Threaded rods 11 are rotatably installed inside the two adjustment seats 5. The output ends of the two motors 6 respectively pass through the two adjustment seats 5 and are fixedly connected to the threaded rods 11. The outer walls of the two threaded rods 11 are threadedly connected with sliders 12.

[0030] Furthermore, an upper mold 7 is fixedly installed on one side opposite to the two sliders 12 , and an injection tube 8 is installed through the top of the upper mold 7 .

[0031] Furthermore, positioning rods 14 are fixedly installed at the four corners of the bottom of the upper mold 7, and pressure sensors 15 are fixedly installed at the bottom of the four positioning rods 14.

[0032] Furthermore, positioning holes 4 are provided at four corners of the top of the lower mold 3 , and the four positioning holes 4 are slidably connected to four positioning rods 14 , respectively.

[0033] Furthermore, a liquid inlet pipe 34 is installed through the top of the water tank 9 , and a first pipe cover 35 is threadedly connected to the top of the liquid inlet pipe 34 . The staff can open the first pipe cover 35 to continue to replenish the coolant in the water tank 9 .

[0034] Furthermore, a liquid outlet pipe 36 is installed through the outer wall of the lower mold 3, one end of the liquid outlet pipe 36 enters the cooling tank 22, and the end of the liquid outlet pipe 36 away from the cooling tank 22 is threadedly connected to the second pipe cover 37. When cooling is completed, the staff can open the second pipe cover 37, and the coolant inside the cooling tank 22 leaves for easy collection.

[0035] Furthermore, the outer wall of the clamping plate 24 fits with the inner wall of the connecting groove 23, and the outer wall of the clamping block 27 fits with the inner wall of the clamping groove 28 and the inner wall of the limiting groove 25 respectively, so as to prevent the abutting plate 21 from shaking after being fixed.

[0036] Furthermore, support frames 2 are fixedly installed at the four corners of the bottom of the base 1.

[0037] The effect achieved by the entire embodiment 2 is that during cooling, the staff starts the water pump 10, and the water pump 10 draws the coolant in the water tank 9 into the connecting pipe 31, and then passes into the cooling tank 22 through the water inlet pipe 32. When the coolant fills the cooling tank 22, the coolant in the cooling tank 22 can cool the plastic, and then the coolant enters the water outlet pipe 33, and finally returns to the water tank 9, thus forming a flow of coolant, further accelerating the cooling of the plastic.

[0038] Working principle: During injection molding, the staff starts the motor 6, the threaded rod 11 rotates, driving the slider 12 to descend, and then driving the upper mold 7 to descend, and the positioning rod 14 enters the positioning hole 4. When the pressure sensor 15 contacts the inner wall of the positioning hole 4, the motor 6 stops working, the upper mold 7 fits with the lower mold 3, and then pours the melted plastic from the injection tube 8 into the cavity of the upper mold 7 and the lower mold 3 to start cooling. During cooling, the staff starts the water pump 10, and the water pump 10 draws the coolant in the water tank 9 into the connecting pipe 31, and then passes into the cooling tank 22 through the water inlet pipe 32. When the coolant fills the cooling tank 22, the coolant in the cooling tank 22 can cool the plastic, and then the coolant enters the outlet pipe 33, and finally returns to the water tank 9, thus forming the flow of the coolant, further accelerating the cooling of the plastic. When demoulding, the staff starts the electric telescopic rod 13, the telescopic end of the electric telescopic rod 13 is stretched, pushing the connecting rod 19 and the abutment plate 21 to rise, and then pushing the plastic product to rise and leave the lower mold 3, so that demoulding is completed. When replacing, the staff pulls the pull plate 30, and the pull plate 30 drives the block 27 to move, and the block 27 enters the limit groove 25, so that the card plate 24 can be pulled out, and the new abutment plate 21 is reset, and the card plate 24 enters the connecting groove 23, and the card plate 24 squeezes the block 27, and the spring 26 is compressed. When the card slot 28 moves to the side of the block 27, the block 27 enters the card slot 28 under the elastic force of the spring 26, fixes the card plate 24 and the abutment plate 21, and the replacement is completed, which improves the replacement efficiency.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A plastic connector injection mold, comprising a base (1), characterized in that: A lower mold (3) is fixedly installed on the top of the base (1), and a plurality of storage grooves (16) are provided inside the lower mold (3), and a plurality of abutment plates (21) are slidably installed inside the plurality of storage grooves (16). A connecting plate (20) is provided at the bottom of the abutment plate (21). A fixing groove (17) is provided on the top of the base (1), and an electric telescopic rod (13) is fixedly installed on the bottom of the base (1). The telescopic end of the electric telescopic rod (13) passes through the base (1) and enters the fixing groove (17) and is fixedly installed with a bottom plate (18). A plurality of connecting rods (19) are fixedly installed on the top of the bottom plate (18), and the top of the connecting rod (19) is connected to the connecting plate (20). ) is fixedly connected at the bottom, a connecting groove (23) is provided at the top of the connecting plate (20), a limiting groove (25) is provided on the inner wall of the connecting groove (23), a spring (26) is fixedly installed on the inner wall of the limiting groove (25), a clamping block (27) is fixedly installed on one end of the spring (26), a sliding groove (29) is provided through the inner wall of the limiting groove (25), a pulling plate (30) is fixedly installed at the bottom of the clamping block (27), the pulling plate (30) is slidably connected to the sliding groove (29), a clamping plate (24) is slidably installed inside the connecting groove (23), a clamping groove (28) is provided on the outer wall of the clamping plate (24), and the clamping block (27) is slidably connected to the clamping groove (28).

2. The plastic connector injection mold according to claim 1, characterized in that: A water tank (9) and a water pump (10) are fixedly mounted on the top of the base (1); a cooling groove (22) is provided inside the lower mold (3); a connecting pipe (31) is fixedly connected between the input end of the water pump (10) and the water tank (9); a water inlet pipe (32) is fixedly connected between the output end of the water pump (10) and the cooling groove (22); and a water outlet pipe (33) is fixedly connected between the cooling groove (22) and the water tank (9).

3. The plastic connector injection mold according to claim 1, characterized in that: Two adjustment seats (5) are symmetrically mounted on the top of the base (1), a motor (6) is fixedly mounted on the top of the two adjustment seats (5), a threaded rod (11) is rotatably mounted inside the two adjustment seats (5), the output ends of the two motors (6) respectively penetrate the two adjustment seats (5) and are fixedly connected to the threaded rod (11), and a slider (12) is threadedly connected to the outer walls of the two threaded rods (11).

4. The plastic connector injection mold according to claim 3, characterized in that: An upper mold (7) is fixedly installed on one side opposite to the two sliding blocks (12), and an injection molding tube (8) is installed through the top of the upper mold (7).

5. The plastic connector injection mold according to claim 4, characterized in that: Positioning rods (14) are fixedly mounted on the four corners of the bottom of the upper mold (7), and pressure sensors (15) are fixedly mounted on the bottoms of the four positioning rods (14).

6. The plastic connector injection mold according to claim 1, characterized in that: The four corners on the top of the lower mold (3) are each provided with a positioning hole (4), and the four positioning holes (4) are respectively slidably connected to four positioning rods (14).

7. The plastic connector injection mold according to claim 2, characterized in that: A liquid inlet pipe (34) is installed through the top of the water tank (9), and a first pipe cover (35) is threadedly connected to the top of the liquid inlet pipe (34).

8. The plastic connector injection mold according to claim 2, characterized in that: A liquid outlet pipe (36) is installed through the outer wall of the lower mold (3), one end of the liquid outlet pipe (36) enters the cooling groove (22), and the end of the liquid outlet pipe (36) away from the cooling groove (22) is threadedly connected to a second pipe cover (37).

9. The plastic connector injection mold according to claim 1, characterized in that: The outer wall of the clamping plate (24) fits with the inner wall of the connecting groove (23), and the outer wall of the clamping block (27) fits with the inner wall of the clamping groove (28) and the inner wall of the limiting groove (25) respectively.

10. The plastic connector injection mold according to claim 1, characterized in that: Support frames (2) are fixedly mounted on the four corners at the bottom of the base (1).

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