Pin aligning device for injection mold

Abstract

The utility model discloses a pin aligning device for an injection mold, which relates to the technical field of injection molds and comprises a bottom plate, and a mold strip body is fixedly mounted on the upper end surface of the bottom plate; a warping plate is rotationally arranged on the upper end surface of the mold strip body; a clamping block is fixedly connected to the bottom side of one end of the warping plate; an inserting piece is movably placed on one side of the upper end face of the mold strip body; a plurality of pins are movably inserted into the inserting piece; a clamping groove is formed in the upper end face of the inserting piece and matched with the clamping block in an inserted mode. A supporting frame is fixedly installed on the rear side of the upper end face of the bottom plate. A cylinder is fixedly mounted at the top end of the support frame; a connecting plate is fixedly mounted at the telescopic end of the cylinder; the lower end face of the connecting plate is fixedly connected with an upper mold core; when the upper mold core moves downwards to conduct extrusion injection molding on the pins, the rubber pad on one side of the push plate firstly makes contact with the pins automatically, so that the head ends of all the pins are located on the same plane, the pins are aligned, it is conveniently guaranteed that the head ends of all the pins are flush, the mold closing and aligning processes are continuously conducted, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and particularly relates to a pin alignment device for an injection mold. Background Art

[0002] Pins are inserted into the inserts and then placed into the injection mold for injection molding. During the injection molding process, the cavity wall blocks and contacts the heads of the pins. If the heads of the pins are not flush, there will be a gap between the slightly rearward pin and the cavity wall, which will cause the head end of the slightly rearward pin to stick to the plastic after injection molding, and the entire injection-molded product needs to be repaired later or becomes a defective product.

[0003] In the pin alignment device for an injection mold and the injection mold disclosed in Chinese Patent CN219926761U, multiple pins are inserted in parallel into the inserts. The pin alignment device for the injection mold includes a fixing mechanism and a slider. The fixing mechanism is used to fix the inserts; the slider is slidably matched with the injection mold and is configured to move along the axial direction of the pins and push the heads of the pins during the process of moving towards the inserts so that the heads of all the pins are flush.

[0004] When the above-mentioned existing pin alignment device is used, it is necessary to fix the inserts through the fixing mechanism, and then drive the slider to abut against one end of the pin, thereby aligning the pins, and then closing the mold. During this process, the operator needs to perform operations successively, consuming working time and resulting in low work efficiency.

[0005] To solve the above problems, the utility model proposes a pin alignment device for an injection mold. Summary of the Utility Model

[0006] To solve the problems existing in the background art, the utility model proposes a pin alignment device for an injection mold.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pin alignment device for an injection mold, comprising a bottom plate, on the upper end surface of the bottom plate is fixedly installed a mold strip body; the upper end surface of the mold strip body is rotatably provided with a seesaw, and a clamping block is fixedly connected to the bottom side of one end of the seesaw; an insert is movably placed on one side of the upper end surface of the mold strip body; a plurality of pins are movably plugged on the insert; a clamping slot is provided on the upper end surface of the insert, and the clamping slot is plugged and matched with the clamping block; a support frame is fixedly installed on the rear side of the upper end surface of the bottom plate; a cylinder is fixedly installed on the top of the support frame, and a connecting plate is fixedly installed on the telescopic end of the cylinder; an upper mold core is fixedly connected to the lower end surface of the connecting plate; a lower mold core is fixedly installed on the upper end surface of the bottom plate at a position corresponding to the upper mold core; the pin is arranged between the upper mold core and the lower mold core; a second tooth plate is slidably arranged on the right side of the upper end surface of the bottom plate; a rubber pad is arranged on one side of the second tooth plate; the rubber pad is arranged corresponding to the pin; and a driving component for driving the second tooth plate to move is arranged on the upper end surface of the bottom plate.

[0008] Preferably, receiving plates are fixedly installed on both the front and rear sides of the upper end surface of the mold strip body; the seesaw is rotatably installed between the two receiving plates through a rotating shaft; a pressure plate is fixedly connected to the left side of the upper end surface of the seesaw; two springs are fixedly connected to the left side of the upper end surface of the mold strip body; and the top ends of the springs are fixedly connected to the lower end surface of the seesaw.

[0009] Preferably, a baffle is fixedly connected to the upper end surface of the mold strip body; and a side of the insert facing away from the pin abuts against the baffle.

[0010] Preferably, a slide groove is provided on the right side of the upper end surface of the bottom plate; a movable plate is slidably installed inside the slide groove; and a second tooth plate is fixedly installed on the top of the movable plate.

[0011] Preferably, a push plate is fixedly mounted on a side of the second tooth plate corresponding to the pin; and a rubber pad is fixedly connected to a side of the push plate facing away from the second tooth plate.

[0012] Preferably, the driving assembly includes two fixing plates; the two fixing plates are fixedly mounted on the front and rear sides of the upper end surface of the bottom plate respectively; gears are rotatably mounted on the top ends of the opposite surfaces of the two fixing plates; the gears are meshed and connected with the second gear plate;

[0013] The front and rear ends of the right side of the connecting plate are both fixedly connected with the first toothed plates; the vertical sections of the first toothed plates are both meshed and connected with the gears.

[0014] Preferably, the second tooth plate is arranged at the longitudinal middle position of the gear; and the two first tooth plates are arranged at the front and rear sides of the gear.

[0015] Beneficial Effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The pin alignment device for the injection mold extrudes and injects pins by moving the upper mold core downward. At the same time, the rubber pad on one side of the push plate automatically contacts the pins first, making the head ends of all pins on the same plane, aligning the pins, facilitating ensuring that the head ends of all pins are flush, enabling the continuous progress of the mold closing and alignment processes, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0019] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 is a schematic side view structure diagram of the present utility model;

[0021] Figure 3 is a schematic partial structure diagram of the present utility model.

[0022] Reference numerals: 1, bottom plate; 2, support frame; 3, cylinder; 4, connecting plate; 5, upper mold core; 6, first toothed plate; 7, fixing plate; 8, gear; 9, moving plate; 10, second toothed plate; 11, push plate; 12, rubber pad; 13, lower mold core; 14, mold bar body; 15, spring; 16, rocker; 17, pressing plate; 18, receiving plate; 19, inserting member; 20, pin; 21, block; 22, slot. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to visually and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0024] Please refer to Figures 1-3 , the present utility model provides a technical solution: a pin alignment device for an injection mold, including a bottom plate 1, and a mold bar body 14 is fixedly installed on the upper end surface of the bottom plate 1. A rocker 16 is rotatably arranged on the upper end surface of the mold bar body 14.

[0025] Specifically, receiving plates 18 are fixedly installed on both the front and rear sides of the upper end surface of the mold bar body 14. The rocker 16 is rotatably installed between the two receiving plates 18 through a rotating shaft. A pressing plate 17 is fixedly connected to the left side of the upper end surface of the rocker 16. Two springs 15 are fixedly connected to the left side of the upper end surface of the mold bar body 14. The tops of the springs 15 are fixedly connected to the lower end surface of the rocker 16.

[0026] One end of the seesaw 16 is fixedly connected with a clamping block 21 at the bottom side. An insertion member 19 is movably placed on one side of the upper end surface of the die bar body 14. A plurality of pins 20 are movably inserted into the insertion member 19. A clamping groove 22 is formed on the upper end surface of the insertion member 19, and the clamping groove 22 is inserted and matched with the clamping block 21.

[0027] To facilitate the positioning of the insertion member 19, the clamping groove 22 corresponds to the clamping block 21. A baffle is fixedly connected to the upper end surface of the die bar body 14. When one side of the insertion member 19 facing away from the pin 20 abuts against the baffle, the clamping block 21 can be inserted into the clamping groove 22.

[0028] A support frame 2 is fixedly installed at the rear side of the upper end surface of the bottom plate 1. A cylinder 3 is fixedly installed at the top end of the support frame 2, and a connecting plate 4 is fixedly installed on the telescopic end of the cylinder 3. A top die core 5 is fixedly connected to the lower end surface of the connecting plate 4. A bottom die core 13 is fixedly installed at the position corresponding to the top die core 5 on the upper end surface of the bottom plate 1. The pins 20 are arranged between the top die core 5 and the bottom die core 13. A second toothed plate 10 is slidably arranged on the right side of the upper end surface of the bottom plate 1.

[0029] A chute is formed on the right side of the upper end surface of the bottom plate 1. A moving plate 9 is slidably installed inside the chute. A second toothed plate 10 is fixedly installed at the top end of the moving plate 9.

[0030] A push plate 11 is fixedly installed on one side of the second toothed plate 10 corresponding to the pin 20. A rubber pad 12 is fixedly connected to the side of the push plate 11 facing away from the second toothed plate 10. The rubber pad 12 is arranged corresponding to the pin 20.

[0031] A driving assembly for driving the second toothed plate 10 to move is arranged on the upper end surface of the bottom plate 1.

[0032] The driving assembly includes two fixing plates 7. The two fixing plates 7 are respectively fixedly installed on the front and rear sides of the upper end surface of the bottom plate 1. A gear 8 is rotatably installed at the top end of the opposite surfaces of the two fixing plates 7. The gear 8 is meshed and connected with the second toothed plate 10.

[0033] Both the front and rear ends on the right side of the connecting plate 4 are fixedly connected with first toothed plates 6. The vertical sections of the first toothed plates 6 are meshed and connected with the gear 8.

[0034] Furthermore, the second toothed plate 10 is arranged at the longitudinal middle position of the gear 8; the two first toothed plates 6 are arranged on the front and rear sides of the gear 8. So that the second toothed plate 10 will not block the downward movement of the first toothed plate 6.

[0035] Working principle:

[0036] During use, press the pressing plate 17 to rotate one side of the rocker 16 downward, compress the spring 15, place the insert 19 with the pin 20 on the die bar body 14, and make the side wall of the insert 19 abut against the baffle; at this time, release the pressing plate 17, and under the reset action of the spring 15, make the latch 21 on one side of the rocker 16 rotate downward and snap into the card slot 22 of the insert 19 to fix the insert 19.

[0037] Start the cylinder 3 to drive the upper die core 5 to move downward, drive the first toothed plate 6 to move downward, and then drive the gear 8 to rotate. The rotation of the gear 8 drives the second toothed plate 10 to move leftward, and then drives the push plate 11 to move leftward, so that the rubber pad 12 on one side of the push plate 11 contacts the pin 20, making the head ends of all the pins 20 on the same plane and aligning the pins 20.

[0038] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A pin alignment device for an injection mold, comprising a base plate (1), characterized in that: The upper end surface of the bottom plate (1) is fixedly mounted with a mold strip body (14); a seesaw (16) is rotatably arranged on the upper end surface of the mold strip body (14), and a clamping block (21) is fixedly connected to the bottom side of one end of the seesaw (16); an insert (19) is movably placed on one side of the upper end surface of the mold strip body (14); a plurality of pins (20) are movably plugged into the insert (19); a clamping groove (22) is provided on the upper end surface of the insert (19), and the clamping groove (22) is plugged and matched with the clamping block (21); a support frame (2) is fixedly mounted on the rear side of the upper end surface of the bottom plate (1); a cylinder (3) is fixedly mounted on the top of the support frame (2), and the cylinder (3) is A connecting plate (4) is fixedly mounted on the telescopic end of the cylinder (3); an upper die core (5) is fixedly connected to the lower end surface of the connecting plate (4); a lower die core (13) is fixedly mounted on the upper end surface of the bottom plate (1) at a position corresponding to the upper die core (5); a pin (20) is arranged between the upper die core (5) and the lower die core (13); a second tooth plate (10) is slidably arranged on the right side of the upper end surface of the bottom plate (1); a rubber pad (12) is arranged on one side of the second tooth plate (10); the rubber pad (12) and the pin (20) are arranged correspondingly; and a driving component for driving the second tooth plate (10) to move is arranged on the upper end surface of the bottom plate (1).

2. A pin alignment device for an injection mold according to claim 1, characterized in that: A receiving plate (18) is fixedly mounted on both the front and rear sides of the upper end surface of the mold strip body (14); the seesaw (16) is rotatably mounted between the two receiving plates (18) via a rotating shaft; a pressing plate (17) is fixedly connected to the left side of the upper end surface of the seesaw (16); two springs (15) are fixedly connected to the left side of the upper end surface of the mold strip body (14); the top ends of the springs (15) are fixedly connected to the lower end surface of the seesaw (16).

3. A pin alignment device for an injection mold according to claim 1, characterized in that: The upper end surface of the mold strip body (14) is fixedly connected with a baffle; The side of the insert (19) facing away from the pin (20) abuts against the baffle.

4. A pin alignment device for an injection mold according to claim 1, characterized in that: A slide groove is provided on the right side of the upper end surface of the bottom plate (1); a movable plate (9) is slidably installed inside the slide groove; and a second tooth plate (10) is fixedly installed on the top of the movable plate (9).

5. A pin alignment device for an injection mold according to claim 1, characterized in that: A push plate (11) is fixedly mounted on one side of the second tooth plate (10) corresponding to the pin (20); and a rubber pad (12) is fixedly connected to the side of the push plate (11) facing away from the second tooth plate (10).

6. A pin alignment device for an injection mold according to claim 1, characterized in that: The driving assembly comprises two fixing plates (7); the two fixing plates (7) are fixedly mounted on the front and rear sides of the upper end surface of the bottom plate (1) respectively; gears (8) are rotatably mounted on the top ends of the opposite surfaces of the two fixing plates (7); the gears (8) are meshingly connected with the second gear plate (10); The front and rear ends of the right side of the connecting plate (4) are both fixedly connected with a first tooth plate (6); the vertical sections of the first tooth plate (6) are both meshedly connected with the gear (8).

7. A pin alignment device for an injection mold according to claim 1, characterized in that: The second tooth plate (10) is arranged at the longitudinal middle position of the gear (8); and the two first tooth plates (6) are arranged at the front and rear sides of the gear (8).

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