Rapid welding jig for injection product

By designing a rapid welding fixture for injection molded products, and utilizing the specific structure of the skeleton, splicing parts, and welding joint, efficient welding between injection molded parts is achieved, solving the problem of low welding efficiency in existing technologies and improving product processing efficiency and quality.

CN223590134UActive Publication Date: 2025-11-25SHANGHAI YILE MOLD TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423218657.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-25
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In existing injection molded products, the welding efficiency between a large number of injection molded parts is low, which cannot meet the needs of rapid processing.

Method used

A rapid welding fixture for injection molded products was designed, including a skeleton, splicing parts, welding base and welding head. The welding head is driven to lift and move by a robotic arm, and thermal welding is performed by using the specific size matching of the welding hole and the insertion post to ensure that the insertion post is fixed to the skeleton.

Benefits of technology

It improves the processing efficiency and yield rate of injection molded products, ensures the sturdiness of spliced ​​parts and skeleton, reduces material waste, and improves product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223590134U_ABST
    Figure CN223590134U_ABST
Patent Text Reader

Abstract

The rapid welding jig for the injection molding product comprises a framework, a splicing piece, a welding base and a welding head, a plurality of mounting holes are distributed in the middle of the framework, and a positioning groove is formed in the back face of the framework; insertion columns are arranged on the back faces of the splicing pieces and inserted into the installation holes. A plurality of welding holes are distributed in the middle of the welding base, and the welding base is placed in the positioning groove; the bottom end of the welding head abuts against the bottom of the welding hole, the top end of the welding head is connected with the mechanical arm, and the mechanical arm drives the welding head to ascend, descend and move. The diameters of the welding holes of the welding base are consistent, the welding heads do not need to be replaced, the welding heads are sequentially and rapidly inserted into the welding holes to enable the inserting columns to be subjected to hot melting deformation and fixed to the framework, and the machining efficiency is greatly improved; the top aperture of the welding hole is slightly larger than the diameter of the welding head, and the bottom aperture of the welding head is smaller than the diameter of the welding head, so that the welding head can penetrate through the top of the welding hole but cannot penetrate through the bottom of the welding hole, damage of the welding head to the framework and the splicing piece is avoided, and the yield of products is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to injection moulded product processing technical field especially relates to a kind of fast welding fixture for injection moulded product. BACKGROUND

[0002] In injection moulded product, welding head fixture is mainly used to accurately connect different injection moulded parts together, to form a complete structure. It can ensure the connection between injection moulded parts firm and stable, so as to improve the overall performance and service life of the product.

[0003] Patent document CN213500925U discloses a hot melt welding fixture, comprising a welding head and a welding base, the welding head is located on the upper end of the welding base, the welding base comprises a base plate, a first clearance hole, a second clearance hole and a fixture groove, the first clearance hole is located at the middle position of the base plate and penetrates the base plate, the fixture groove is located outside the first clearance hole, and the second clearance hole is located inside the fixture groove, the fixture groove is fan-shaped, and the upper surface of the fixture groove is lower than the upper surface of the base plate. The hot melt welding groove of the utility model realizes the welding work of the product and the product insert, has high welding rate, greatly improves the product quality and the hardness of the welded product, and increases the competitiveness of enterprises in this field.

[0004] In the above scheme, the hot melt welding fixture is not suitable for the welding between existing injection moulded parts, especially for a large number of injection moulded parts, and the processing efficiency is limited, therefore, it is necessary to provide a fast welding fixture for injection moulded product to solve the problems of the prior art. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problems in the prior art, and provides a fast welding fixture for injection moulded product.

[0006] The utility model adopts the technical scheme that

[0007] A fast welding fixture for injection moulded product, comprising:

[0008] A framework, a plurality of mounting holes are distributed in the framework, and a positioning groove is arranged on the back surface of the framework;

[0009] A splicing piece, a plug column is arranged on the back surface of the splicing piece, and the plug column is inserted into the mounting hole;

[0010] A welding base, a plurality of welding holes are distributed in the welding base, and the welding base is placed in the positioning groove;

[0011] A welding head, the bottom end of the welding head abuts against the bottom part of the welding hole, and the top end of the welding head is connected with a mechanical arm, and the welding head is lifted and moved by the mechanical arm.

[0012] The utility model further sets up, skeleton and splicing piece are all injection products, the number of mounting hole is consistent with splicing piece quantity, mounting hole is inserted post one to one through.

[0013] The utility model further sets up, the number of fusion joint hole is consistent with inserted post quantity, the bottom hole diameter of fusion joint hole is bigger than inserted post diameter, fusion joint hole is inserted post one to one through.

[0014] The utility model further sets up, the top hole diameter of fusion joint hole is slightly bigger than the diameter of fusion joint, and the bottom hole diameter of fusion joint is less than the diameter of fusion joint.

[0015] The utility model further sets up, and the bottom end of fusion joint is round platform type, and the top of fusion joint passes through fusion joint and abuts with inserted post, so that inserted post hot melt.

[0016] The utility model further sets up, and the top of fusion joint is equipped with through slot, and the bottom end of heating unit is set in through slot, and heating unit is heated to fusion joint.

[0017] The utility model further sets up, and the back of skeleton is equipped with recess, and the edge of cover plate is equipped with lug, and lug is matched with recess, and the back of cover plate is equipped with mounting piece.

[0018] The utility model further sets up, and the both ends of skeleton are equipped with buckle, and buckle is fixed with mounting seat.

[0019] Summarized above, the utility model has following beneficial effect:

[0020] 1. The utility model discloses the fusion joint hole diameter of fusion base is uniform, and fusion joint does not need to be replaced, and the inserted post hot melt deformation and skeleton fixation can be made by the fusion joint of quick depth in fusion joint hole, and the processing efficiency is greatly improved.

[0021] 2. The utility model discloses the top hole diameter of fusion joint hole is slightly bigger than the diameter of fusion joint, and the bottom hole diameter of fusion joint is less than the diameter of fusion joint, and the size limit makes that fusion joint can pass through the top of fusion joint hole, but can not pass through the bottom of fusion joint hole, guarantees that fusion joint can only hot melt inserted post while positioning, and can not damage skeleton and splicing piece, improves the yield of product, and reduces the waste of material.

[0022] 3. The utility model discloses the mode of hot melt is used to fix several splicing pieces and skeleton, and the firmness and integrity of product are higher, improve product quality, avoid splicing piece from skeleton. ACCURACY

[0023] Figure 1 It is the explosion drawing of the utility model.

[0024] Figure 2 It is the front view of the utility model Figure 1 .

[0025] Figure 3 This is a schematic diagram of the skeleton of this utility model.

[0026] Figure 4 This is a structural schematic diagram of the welding base of this utility model.

[0027] Figure 5 This is a top view of the cover plate of this utility model.

[0028] Figure 6 This is a top view of the mounting component of this utility model.

[0029] In the figure, 1. skeleton, 11. positioning groove, 12. groove, 13. buckle, 2. splice, 21. insert, 3. welding base, 31. welding hole, 4. welding joint, 41. through groove, 5. cover plate, 51. protrusion, 6. mounting part. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0031] Example 1:

[0032] In this embodiment, as Figures 1-4 As shown, this utility model proposes a rapid welding fixture for injection molded products, including a skeleton 1, a splicing component 2, a welding base 3, and a welding head 4. The skeleton has several mounting holes distributed in its middle section, and a positioning groove 11 is provided on the back of the skeleton. The splicing component has a post 21 on its back, which is inserted into the mounting hole. The welding base has several welding holes 31 distributed in its middle section, and the welding base is placed in the positioning groove. The bottom end of the welding head abuts against the bottom of the welding hole, and the top end of the welding head is connected to a robotic arm. The robotic arm drives the welding head to rise, fall, and move. The robotic arm is not shown in the figure. The robotic arm is a power device. This technology is prior art and will not be described in detail here.

[0033] In this embodiment, the skeleton and the splicing parts are both injection molded products, the number of mounting holes is the same as the number of splicing parts, and the mounting holes are passed through by the corresponding insertion posts.

[0034] In this example, several splicing pieces can be spliced into a circle, and the front of the framework is provided with a circular groove, and the back of the splicing piece is matched with the circular groove.

[0035] In this embodiment, the number of fusion holes is consistent with the number of insertion columns, the bottom diameter of the fusion hole is larger than the diameter of the insertion column, and the fusion hole is correspondingly penetrated by the insertion column. The size limit allows the insertion column to be hot-melted by the fusion head.

[0036] In this embodiment, the top diameter of the fusion hole is slightly larger than the diameter of the fusion head, and the bottom diameter of the fusion head is smaller than the diameter of the fusion head. The size limit allows the fusion head to pass through the top of the fusion hole, but cannot pass through the bottom of the fusion hole. While positioning, it is ensured that the fusion head can only hot-melt the insertion column, and cannot damage the framework and the splicing piece.

[0037] In this embodiment, the bottom end of the fusion head is in the form of a circular truncated cone, which facilitates the abutment and hot-melting of the fusion head and the insertion column, and avoids the fusion head being stuck at the bottom of the fusion hole. The fusion head passes through the top of the fusion hole and abuts against the insertion column, so as to hot-melt the insertion column.

[0038] In this example, the diameters of the fusion holes of the fusion base are consistent, the fusion head does not need to be replaced, and the insertion column is hot-melted by sequentially and quickly inserting the fusion head into the fusion hole, so as to fix the framework. The processing efficiency is greatly improved, and the firmness of the framework and the splicing piece is also high.

[0039] Embodiment 2:

[0040] In this embodiment, as shown in Figures 1-6 The top of the fusion head is provided with a through groove 41, and the bottom end of the heating unit is arranged in the through groove. The heating unit heats the fusion head. The heating unit is not shown in the figure. The heating unit can also directly heat the fusion head. The heating method can adopt electric heating, and the material of the fusion head can be selected from copper.

[0041] In this embodiment, the back of the framework is provided with a groove 12, the edge of the cover plate 5 is provided with a protrusion 51, the protrusion is matched with the groove, the back of the cover plate is provided with a mounting piece 6, and the cover plate can cover the back of the framework and the hot-melted insertion column, which is more beautiful. The mounting piece can be attached to the cover plate, and the protrusion at the edge of the mounting piece facilitates the separation of the framework and the cover plate.

[0042] In this embodiment, the two ends of the framework are provided with buckles 13, and the buckles are fixedly connected with the mounting seat.

[0043] The working principle of the rapid welding jig for the injection molding product is that the splicing pieces are inserted on the mounting holes of the skeleton according to the patterns, the skeleton is inverted, the welding base is placed in the positioning groove, the welding holes are penetrated by the inserting columns one by one at this time, the mechanical arm is operated to sequentially and rapidly insert the welding heads into the welding holes so that the inserting columns are hot-melted and deformed to be fixed with the skeleton, the welding base is taken out after cooling to complete the welding.

[0044] In the description of the utility model, it needs to be explained that when the terms indicating the orientation or position relationship such as "upper", "lower", "inner", "outer", "left", "right" and the like appear, they should be understood as the orientation or position relationship shown based on the drawings, or the orientation or position relationship commonly placed when the utility model product is used, or the orientation or position relationship commonly understood by the person skilled in the art, and only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, when the terms "first", "second" and the like appear, they are only used for distinguishing the description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, and can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A rapid fusion jig for injection-molded products, characterized by comprising: The utility model relates to a kind of welding assembly line for the production of plastic parts, including: Skeleton, several installation holes are distributed in the skeleton, and positioning groove is equipped on the back of skeleton; Splicing piece, the back of splicing piece is equipped with inserting column, and inserting column is inserted into installation hole; Welding base, several welding holes are distributed in the welding base, and welding base is placed in positioning groove; Welding head, the bottom of welding head is in abutment with the bottom of welding hole, and the top of welding head is connected with mechanical arm, and welding head is driven to lift and move by mechanical arm.

2. The rapid welding jig for an injection molded product according to claim 1, characterized by Skeleton and splicing piece are injection-molded products, the number of installation holes is consistent with the number of splicing piece, and installation hole is passed through by inserting column one by one.

3. The rapid welding fixture for injection-molded products according to claim 1, characterized in that, The number of welding hole is consistent with the number of inserting column, the diameter of bottom of welding hole is greater than the diameter of inserting column, and welding hole is passed through by inserting column one by one.

4. The rapid welding fixture for an injection molded product according to claim 1, wherein The diameter of top of welding hole is slightly larger than the diameter of welding head, and the diameter of bottom of welding head is less than the diameter of welding head.

5. The rapid weld fixture of claim 1, wherein, The bottom of welding head is in abutment with inserting column by passing through the top of welding hole, so as to heat melt inserting column.

6. The rapid weld fixture of claim 1, wherein, The top of welding head is equipped with through groove, and the bottom of heating unit is arranged in through groove, so as to heat welding head by heating unit.

7. The rapid weld fixture of claim 1, wherein, The back of skeleton is equipped with recess, the edge of cover plate is equipped with convex block, the convex block is matched with recess, and the back of cover plate is equipped with mounting piece.

8. The rapid weld fixture of claim 1, wherein, The both ends of skeleton are equipped with buckle, and buckle is fixedly connected with mounting seat.

Citation Information

Patent Citations

  • Hot melting welding jig

    CN213500925U