Dispensing jig

By designing a limiting and automatic pressure structure for the dispensing fixture, the problems of low efficiency and misalignment in the bonding process between silicone and plastic parts were solved, achieving efficient and low-cost automated processing.

CN223589199UActive Publication Date: 2025-11-25DONGGUAN SUNRISE INSULATION ELECTRONIC CO LTD
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Patent Information

Application Number
CN202423070655.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-25
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The existing technology for bonding silicone parts and plastic parts suffers from problems such as low processing efficiency, inconsistent product quality, and high labor costs, especially when manual pressure is applied, which can easily lead to positional displacement.

Method used

A dispensing fixture was designed, comprising an upper mold base and a lower mold base. It uses structures such as locking protrusions, petal grooves, and locking pillars to limit the plastic and silicone parts, and achieves automatic pressure application through guide bolts and springs, replacing manual pressure application.

Benefits of technology

It improves processing efficiency, reduces labor intensity and labor costs, ensures consistent product quality, and prevents positional deviation during the pressurization process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dispensing jig which comprises an upper die holder and a lower die holder, at least one circular groove is formed in the bottom surface of the upper die holder, and at least two clamping bulges which are distributed along the circumferential direction of the circular groove at intervals extend inwards from the groove wall of the circular groove; the top face of the lower die base extends upwards to form at least one limiting block aligned with the circular groove in the height direction, a petal groove is formed in the top face of the limiting block, the groove bottom of the petal groove extends upwards to form at least two clamping columns distributed in the circumferential direction of the petal groove at intervals, and limiting holes allowing the clamping columns to be inserted in are formed in the bottom face of the upper die base. The jig is arranged to pressurize the silica gel part and the plastic part, the previous manual pressurizing mode is replaced, the labor intensity of workers is reduced, the labor cost is saved, the product quality is improved, the processing efficiency is improved, and the problem of low working efficiency in the past is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to jig technical field especially relates to a point gum jig. BACKGROUND

[0002] For the adhesion of silica gel parts and plastic parts, generally need to carry out the point gum procedure, need to coat glue between the adhesion surface of silica gel part and plastic part, then carry out pressurization, ensure the bonding strength between silica gel part and plastic part.

[0003] Referring to Figure 1 , Figure 1 It is the exploded view of the prior art product, which needs to paste the plastic part 4 of the circular shape on the silica gel part 5 of the petal shape with the arc. The existing adhesion mode generally adopts the manual pressurization mode, but due to the arc of the silica gel part 5, the position deviation problem of the plastic part 4 is prone to occur in the process of pressurization, and the manual pressurization mode improves the labor intensity of workers, the labor cost is high, and there are problems of low processing efficiency and inconsistent product quality. SUMMARY

[0004] The technical problem to be solved by the utility model lies in providing a point gum jig, which can solve the problem of low processing efficiency.

[0005] In order to solve the above technical problem, the utility model discloses a point gum jig, including upper die holder and lower die holder, the bottom surface of upper die holder is equipped with at least one circular recess, the groove wall of circular recess extends inwards at least two clamping convexes arranged along the circumferential direction of circular recess; the top surface of lower die holder extends upwards and is equipped with at least one limiting block aligned with circular recess in the height direction, the top surface of limiting block is equipped with petal groove, the groove bottom of petal groove extends upwards at least two clamping columns arranged along the circumferential direction of petal groove, the bottom surface of upper die holder is equipped with limiting hole for clamping column insertion.

[0006] Among them, the top surface of lower die holder is also fixedly installed at least one stop block located on the outer side of limiting block.

[0007] Among them, still including the mounting plate located above upper die holder and four guide bolts, the four corners of mounting plate are all equipped with a through hole, the top surface of upper die holder is equipped with the threaded hole corresponding with through hole, guide bolt includes head and rod portion fixedly connected with head, the top end of rod portion is fixedly connected with head, the bottom end of rod portion is equipped with screw thread, in the assembly state, guide bolt is inserted into corresponding through hole, the head of guide bolt abuts against the top surface of mounting plate, and the rod portion of guide bolt is screw connected with corresponding threaded hole.

[0008] Among them, the outer circumferential surface of each guide bolt is all equipped with spring, and the spring is used for driving the upward movement of mounting plate.

[0009] The bottom of each circular groove is provided with a through hole penetrating to the top surface of the upper die holder, and the bottom surface of the mounting plate is further fixedly provided with at least one material lifting column which is inserted into the corresponding through hole in the assembled state.

[0010] The top surface of the lower die holder is further fixedly provided with a guide column located at the side of the stopper, the top end of the guide column is formed with a frustum, and the bottom surface of the upper die holder is provided with a guide hole for inserting the guide column.

[0011] Compared with the prior art, the embodiment has the following beneficial effects: the jig is arranged to pressurize the silica gel part and the plastic part, thereby replacing the previous manual pressing mode, reducing the labor intensity of workers, saving labor cost, improving product quality, improving processing efficiency, solving the problem of low work efficiency, and further improving the processing quality by arranging the groove, the clamping convex, the petal-shaped groove and the clamping column to limit the plastic part and the silica gel part, and solving the problem of deviation of the two during the pressing process. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 is an exploded view of the product in the prior art;

[0014] Figure 2 is a structural schematic view of the jig in the embodiment;

[0015] Figure 3 is an exploded view of the jig in the embodiment;

[0016] Figure 4 is a structural schematic view of the upper die holder in the embodiment;

[0017] Figure 5 is a structural schematic view of the lower die holder in the embodiment. DETAILED DESCRIPTION

[0018] In order to make the personnel in the technical field better understand the technical scheme of the present application, the following will combine the drawings in the embodiment of the present application to clearly and completely describe the technical scheme in the embodiment of the present application. Obviously, the described embodiment is only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] The terms "first", "second", and the like in the description and claims of the utility model and the above drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, device, product or end including a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or optionally also includes other steps or units inherent to these processes, methods, products or ends.

[0020] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor does it necessarily exclude other embodiments from being claimed. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0021] The utility model discloses a specific implementation of a dispensing jig, please see Figures 2 to 5 The dispensing jig comprises a mounting plate 31, an upper die holder 1 and a lower die holder 2. The mounting plate 31 is fixedly connected to the working end of an external pressure device.

[0022] As an improvement, the bottom surface of the upper die holder 1 is provided with four circular grooves 11. The groove walls of the circular grooves 11 extend inwardly to two clamping protrusions 12 arranged in a circumferential direction of the circular grooves 11. The clamping protrusions 12 are mainly matched with clamping grooves on the outer circumferential side of the plastic part, thereby achieving limiting of the plastic part.

[0023] In this embodiment, the top surface of the lower die holder 2 extends upwardly to be provided with four limiting blocks 20 aligned with the circular grooves 11 in a height direction. The limiting blocks 20 are hemispheres. The top surface of the limiting blocks 20 is provided with petal grooves 21. The groove bottoms of the petal grooves 21 extend upwardly to three clamping columns 22 arranged in a circumferential direction of the petal grooves 21. The clamping columns 22 are mainly matched with clamping holes on the silica gel part, thereby achieving limiting of the silica gel part. In addition, the bottom surface of the upper die holder 1 is provided with limiting holes 13 for insertion of the clamping columns 22. In a die closing state, the clamping columns 22 are inserted into the limiting holes 13, thereby ensuring that the upper die and the lower die can be correctly closed, and preventing the upper die from being offset in a transverse direction relative to the lower die.

[0024] In order to avoid pressure damage to the product during die closing, the top surface of the lower die holder 2 is further fixedly provided with four stop blocks 23 located outside the limiting blocks 20. The stop blocks 23 can limit the stroke of the upper die, thereby achieving limiting.

[0025] It should be noted that the jig of the embodiment can adopt two working modes of manual mold closing and mold closing by pressing equipment, when mold closing by pressing equipment is adopted, the mounting plate 31 needs to be arranged.

[0026] Optionally, the mounting plate 31 is located above the upper die seat 1, and four guide bolts 32 need to be arranged, four corners of the mounting plate 31 are provided with a through hole, the top surface of the upper die seat 1 is provided with a threaded hole corresponding to the through hole, the guide bolt 32 comprises a head portion and a rod portion fixedly connected with the head portion, the top end of the rod portion is fixedly connected with the head portion, and the bottom end of the rod portion is provided with a thread, in the assembled state, the guide bolt 32 is inserted into the corresponding through hole, the head portion of the guide bolt 32 abuts against the top surface of the mounting plate 31, and the rod portion of the guide bolt 32 is threadedly connected with the corresponding threaded hole.

[0027] In addition, the outer circumferential side of each guide bolt 32 is sleeved with a spring 33, the spring 33 is used to drive the mounting plate 31 to move upwards, and the spring 33 can prevent the mounting plate 31 from being too close to the upper die seat 1. The bottom of each circular groove 11 is provided with a through hole penetrating the top surface of the upper die seat 1, and the bottom surface of the mounting plate 31 is further fixedly provided with a material ejecting column 34, in the assembled state, the material ejecting column 34 is inserted into the corresponding through hole, so that the bottom end surface of the material ejecting column 34 becomes the groove bottom of the circular groove 11, and it should be noted that the material ejecting column 34 is provided with a stepped structure, and the stepped structure can limit the mold closing distance between the mounting plate 31 and the upper die seat 1.

[0028] When manual mold closing is adopted, the mounting plate 31, the material ejecting column 34, the spring 33, the guide bolt 32 and the through hole provided in the groove bottom of the circular groove 11 are not needed. The top surface of the lower die seat 2 is fixedly provided with a guide column 24 located at the side of the stopper 23, the top end of the guide column 24 is formed with a frustum, and the bottom surface of the upper die seat 1 is provided with a guide hole for inserting the guide column 24. In this way, the weight of the upper die seat 1 itself can be used for pressing, and a pressing equipment is not needed, in addition, the frustum is provided with an inwardly inclined conical surface, which can play a guiding role, so that manual mold closing is more convenient.

[0029] Compared with the prior art, the jig is arranged to press the silica gel part and the plastic part, which replaces the previous manual pressing mode, reduces the labor intensity of workers, saves the labor cost, improves the product quality, improves the processing efficiency, solves the problem of low working efficiency in the prior art, in addition, the recess, the clamping convex 12, the petal groove 21 and the clamping column 22 are arranged to limit the plastic part and the silica gel part, which further improves the processing quality and solves the problem of deviation of the two during the pressing process.

[0030] It should be finally pointed out that: the utility model embodiment discloses a kind of dispensing jig, only for the preferred embodiment of the utility model, only for illustrating the technical scheme of the utility model, not limit it;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that;It can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of technical features;And these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model embodiments.

Claims

1. A dispensing fixture, characterized in that, It includes an upper mold base and a lower mold base. The bottom surface of the upper mold base is provided with at least one circular groove, and the groove wall of the circular groove extends inward to form at least two locking protrusions that are spaced apart along the circumference of the circular groove. The top surface of the lower mold base extends upward to provide at least one limiting block that is aligned with the circular groove in the height direction. The top surface of the limiting block is provided with a petal groove. The bottom of the petal groove extends upward to provide at least two locking posts that are spaced apart along the circumference of the petal groove. The bottom surface of the upper mold base is provided with a limiting hole for inserting the locking posts.

2. The dispensing fixture according to claim 1, characterized in that, At least one stop block located outside the limiting block is also fixedly installed on the top surface of the lower mold base.

3. A dispensing fixture according to claim 1 or 2, characterized in that, It also includes a mounting plate located above the upper mold base and four guide bolts. Each of the four corners of the mounting plate has a through hole, and the top surface of the upper mold base has a threaded hole corresponding to the through hole. The guide bolt includes a head and a rod fixed to the head. The top end of the rod is fixed to the head, and the bottom end of the rod has a thread. In the assembled state, the guide bolt is inserted into the corresponding through hole, the head of the guide bolt abuts against the top surface of the mounting plate, and the rod of the guide bolt is threadedly connected to the corresponding threaded hole.

4. The dispensing fixture according to claim 3, characterized in that, Each of the guide bolts is fitted with a spring on its outer peripheral side, and the spring is used to drive the mounting plate to move upward.

5. The dispensing fixture according to claim 3, characterized in that, Each of the circular grooves has a through hole at the bottom that extends to the top surface of the upper mold base. At least one ejector pin is also fixedly installed on the bottom surface of the mounting plate. In the assembled state, the ejector pin is inserted into the corresponding through hole.

6. The dispensing fixture according to claim 2, characterized in that, The top surface of the lower mold base is also fixedly installed with a guide post located on the side of the stop block. The top end of the guide post forms a truncated cone. The bottom surface of the upper mold base is provided with a guide hole for the guide post to be inserted.