In-mold assembly molded structure

The automated in-mold assembly structure enables efficient fastening and cutting of automotive connector wiring harness end products A and B, solving the problem of cumbersome assembly in existing technologies.

CN224322215UActive Publication Date: 2026-06-05SUZHOU AIYULIN PRECISION TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU AIYULIN PRECISION TECHNOLOGY CO LTD
Filing Date
2025-07-16
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing automotive connector wiring harness end products have a cumbersome assembly method, requiring multiple positioning steps and resulting in low assembly efficiency.

Method used

The in-mold assembly structure includes a first fixed plate, a second fixed plate, a pressure plate insert, a lower mold insert, a forming punch, a forming insert assembly, a cutting forming punch, and a lower cutting assembly, enabling automatic snap-fitting and cutting of product A and product B.

Benefits of technology

It improved the assembly efficiency of products A and B, and realized the automated fastening and cutting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an in-mold assembly forming structure, including first fixed plate, second fixed plate, pressure material board into block, lower mould into block, forming punch, forming into block subassembly, cut off forming punch and lower cut off subassembly, the first fixed plate lower extreme is fixed with second fixed plate, and the second fixed plate lower extreme is connected with pressure material board into block through spring elasticity, and the pressure material board into block below butt joint is provided with lower mould into block, and the first fixed plate and second fixed plate vertical direction slide installation have two forming punches, and the forming punch top is connected with female mould elasticity through spring, and the male mould is installed with the forming into block subassembly of with die top and with forming punch cooperation, and the first fixed plate is hung with the cut off forming punch 7 for cutting off material belt product B, and the male mould is installed with lower cut off subassembly with cut off forming punch cooperation. Through above -mentioned mode, the utility model can be product A and product B buckle assembly together, and product B is cut down from corresponding material belt automatically, and assembly efficiency is high.
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Description

Technical Field

[0001] This utility model relates to the field of mold manufacturing technology, and in particular to an in-mold assembly and molding structure. Background Technology

[0002] Automotive connector wiring harness end products such as Figure 1 As shown, products A and B are snapped together. Currently, products A and B are integrally formed from material strips. The current method for assembling automotive connector wiring harness end products is to cut products A and B from their corresponding material strips and then use specialized snapping equipment to press them together. This operation is cumbersome, requires multiple positioning steps, and has low assembly efficiency. Based on the above defects and shortcomings, it is necessary to improve the existing technology and design an in-mold assembly structure. Utility Model Content

[0003] The main technical problem solved by this utility model is to provide an in-mold assembly structure. By using an in-mold assembly structure, product A and product B can be snapped together and automatically cut from the corresponding material strip, resulting in high assembly efficiency.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: providing an in-mold assembly molding structure, which includes a first fixed plate, a second fixed plate, a pressure plate insert block, a lower mold insert block, a forming punch, a forming insert block assembly, a cutting forming punch, and a lower cutting assembly. The first fixed plate is fixed to the female mold, and a second fixed plate is fixed to the lower end of the first fixed plate. The pressure plate insert block is elastically connected to the lower end of the second fixed plate by a spring. The lower mold insert block is disposed below the pressure plate insert block and is fixed to the male mold. Two forming punches are slidably installed on the first fixed plate and the second fixed plate in the vertical direction. The top of the forming punches is elastically connected to the female mold by a spring. A forming insert block assembly that is lifted with the mold and cooperates with the forming punch is installed on the male mold. A cutting forming punch 7 for cutting product B on the strip is hung on the first fixed plate. A lower cutting assembly that cooperates with the cutting forming punch is installed on the male mold.

[0005] Preferably, the lower surface of the pressure plate entry block is a pressing surface for pressing product A strip and product B strip together, the pressure plate entry block is provided with a clearance groove to avoid product A and product B, the lower mold entry block is provided with an arc-shaped groove for locking and positioning product A, and a clearance sliding groove for fastening product B is provided in the middle of the arc-shaped groove.

[0006] Preferably, the forming block assembly includes a forming block, a rocker arm seat, a rocker arm, a rocker arm punch, a lifting shaft, and a pin. The forming block is vertically slidably placed inside the lower mold block. The rocker arm seat is fixed to the male mold. A rocker arm is rotatably mounted on the rocker arm seat. A rocker arm punch opposite to the tail of the rocker arm is mounted on the female mold. A lifting shaft is mounted on the top of the extended end of the rocker arm. The forming block is fitted onto the lifting shaft. A pin is also mounted on the side of the extended end of the rocker arm. The forming block has an oblong hole that mates with the pin. The pin passes through the oblong hole. The forming punch and the forming block have a product B forming cavity on their opposite sides.

[0007] Preferably, the lower cutting assembly includes a slider seat, a slider, a lower die cutting blade, and a slider punch. The slider seat is fixed to the male mold, a slider is slidably mounted on the slider seat, a lower die cutting blade is mounted on the front end of the slider, a guide slope is provided at the rear end of the lower die cutting blade, and a slider punch that cooperates with the guide slope is mounted on the female mold.

[0008] Compared with the prior art, the beneficial effects of this utility model are:

[0009] The pressure plate and the lower die are used together to press the two strips together;

[0010] The forming punch and the forming block assembly work together. The forming punch moves down elastically to press down on product B on the material strip, and the forming block forms upward. Product B is then fastened onto product A, and the product is formed.

[0011] The cutting forming punch 7 moves down and cooperates with the lower die cutting blade to cut off product B from the material strip. Attached Figure Description

[0012] Figure 1 This is a structural diagram of an automotive connector wiring harness end product.

[0013] Figure 2 This is a schematic diagram of an in-mold assembly structure.

[0014] Figure 3 This is a schematic diagram of the unfolded part of an in-mold assembly structure.

[0015] Figure 4 This is a schematic diagram of the lower mold insert structure for an in-mold assembly molding structure.

[0016] Among them, 1. First fixed plate, 2. Second fixed plate, 3. Pressure plate entry block, 4. Lower die entry block, 40. Arc groove, 41. Clearance slide groove, 5. Forming punch, 6. Forming entry block assembly, 61. Forming entry block, 62. Rocker arm seat, 63. Rocker arm, 64. Rocker arm punch, 65. Lifting shaft, 66. Pin shaft, 7. Cutting forming punch, 8. Lower cutting assembly, 81. Slider seat, 82. Slider, 83. Lower die cutting knife, 84. Slider punch. Detailed Implementation

[0017] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0018] Please see Figures 1 to 4 The embodiments of this utility model include:

[0019] An in-mold assembly molding structure includes a first fixing plate 1, a second fixing plate 2, a pressure plate insert 3, a lower mold insert 4, a forming punch 5, a forming insert assembly 6, a cutting forming punch 7, and a lower cutting assembly 8.

[0020] The first fixing plate 1 is fixed to the female mold. The lower end of the first fixing plate 1 is fixed to the second fixing plate 2. The lower end of the second fixing plate 2 is elastically connected to the pressure plate entry block 3 by a spring. The lower die entry block 4 is connected to the lower part of the pressure plate entry block 3. The lower die entry block 4 is fixed to the male mold. The product A strip and the product B strip are located between the pressure plate entry block 3 and the lower die entry block 4. The conveying direction of the product B strip is horizontal and perpendicular to the conveying direction of the product A strip. The floating height of the product B strip is greater than that of the product A strip. Two forming punches 5 are slidably installed in the vertical direction of the first fixing plate 1 and the second fixing plate 2. The top of the forming punches 5 is elastically connected to the female mold by a spring. The male mold is equipped with a forming entry block assembly 6 that is lifted with the mold and cooperates with the forming punches 5. The first fixing plate 1 is equipped with a cutting forming punch 7 for cutting off the product B on the strip. The male mold is equipped with a lower cutting assembly 8 that cooperates with the cutting forming punch 7.

[0021] The lower surface of the pressure plate entry block 3 is a pressing plane for pressing the product A strip and the product B strip together. The pressure plate entry block 3 is provided with a clearance groove to avoid product A and product B. The lower mold entry block 4 is provided with an arc-shaped groove 40 for locking and positioning product A. The middle part of the arc-shaped groove 40 is provided with a clearance sliding groove 41 for fastening product B.

[0022] The molding block assembly 6 includes a molding block 61, a rocker arm seat 62, a rocker arm 63, a rocker arm punch 64, a lifting shaft 65, and a pin 66. The molding block 61 is vertically slidably placed inside the lower mold block 4. The rocker arm seat 62 is fixed to the male mold, and the rocker arm 63 is rotatably mounted on the rocker arm seat 62. A rocker arm punch 64, opposite to the tail of the rocker arm 63, is mounted on the female mold. The lifting shaft 65 is mounted on the top of the extended end of the rocker arm 63, and the molding block 61 is fitted onto the lifting shaft 65. A pin 66 is also installed on the side of the protruding end of 63. The forming block 61 is provided with a waist-shaped hole that mates with the pin 66. The pin 66 passes through the waist-shaped hole. The forming punch 5 and the forming block 61 are provided with a product B forming cavity on their opposite surfaces. During the mold closing process, the forming punch 5 moves down with the mother mold and presses down on the product B on the material strip under the action of the spring force, and the product is formed. The swing arm punch 64 moves down with the mother mold and presses down on the tail of the swing arm 63. The protruding end of the swing arm 63 tilts up and drives the forming block 61 to move up and form upward.

[0023] The lower cutting assembly 8 includes a slider seat 81, a slider 82, a lower die cutting blade 83, and a slider punch 84. The slider seat 81 is fixed to the male mold, and the slider 82 is slidably mounted on the slider seat 81. The lower die cutting blade 83 is mounted on the front end of the slider 82, and a guide slope is provided at the rear end of the lower die cutting blade 83. The slider punch 84, which cooperates with the guide slope, is mounted on the female mold. The slider punch 84 drives the slider 82 and the lower die cutting blade 83 to slide below the product B strip as the mold closes and moves downward.

[0024] In operation, the in-mold assembly and molding structure of this utility model allows product A and product B strips to enter the continuous mold. The conveying direction of product B strip is horizontal and perpendicular to the conveying direction of product A strip. The floating height of product B strip is greater than that of product A strip. When passing through the in-mold assembly and molding structure, the pressure plate entry block 3 moves down with the mold closing, first pressing product A strip and product B strip together onto the lower mold entry block 4. At the same time, the slider punch 84 of the lower cutting component 8 moves down with the mold closing, driving the lower mold cutting blade 83 to slide below product B strip. The forming punch 5 presses down on product B strip under the action of spring force. The swing rod punch 64 moves down with the female mold, pressing down on the tail of the swing rod 63. The extended end of the swing rod 63 tilts up, driving the forming entry block 61 to move upward, forming upward. Product B is fastened onto product A, and the product is formed. The cutting forming punch 7 moves down and cooperates with the lower mold cutting blade 83 to cut product B off from the strip.

[0025] This utility model discloses an in-mold assembly structure, which can fasten and assemble product A and product B together, and automatically cut product B from the corresponding material strip, resulting in high assembly efficiency.

[0026] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An in-mold assembly structure, characterized in that: The assembly includes a first fixed plate, a second fixed plate, a pressure plate insert, a lower die insert, a forming punch, a forming insert assembly, a cutting forming punch, and a lower cutting assembly. The first fixed plate is fixed to the female mold. The lower end of the first fixed plate is fixed to the second fixed plate. The lower end of the second fixed plate is elastically connected to the pressure plate insert via a spring. The lower die insert is disposed below the pressure plate insert and is fixed to the male mold. Two forming punches are slidably installed on the first and second fixed plates in the vertical direction. The top of the forming punches is elastically connected to the female mold via a spring. A forming insert assembly that is lifted with the mold and cooperates with the forming punch is installed on the male mold. A cutting forming punch (7) for cutting product B on the strip is hung on the first fixed plate. A lower cutting assembly that cooperates with the cutting forming punch is installed on the male mold.

2. The in-mold assembly structure according to claim 1, characterized in that: The lower surface of the pressure plate is a pressing plane for pressing product A strip and product B strip together. The pressure plate has a clearance groove to avoid product A and product B. The lower mold has an arc groove for locking and positioning product A. The middle of the arc groove has a clearance groove for fastening product B.

3. The in-mold assembly structure according to claim 1, characterized in that: The forming block assembly includes a forming block, a rocker arm seat, a rocker arm, a rocker arm punch, a lifting shaft, and a pin. The forming block is vertically slidably placed inside the lower mold block. The rocker arm seat is fixed to the male mold, and a rocker arm is rotatably mounted on the rocker arm seat. A rocker arm punch opposite to the tail of the rocker arm is mounted on the female mold. A lifting shaft is mounted on the top of the extended end of the rocker arm, and the forming block is fitted onto the lifting shaft. A pin is also mounted on the side of the extended end of the rocker arm. The forming block has an oblong hole that mates with the pin, and the pin passes through the oblong hole. The forming punch and the forming block have a product B forming cavity on their opposite sides.

4. The in-mold assembly structure according to claim 1, characterized in that: The lower cutting assembly includes a slider seat, a slider, a lower die cutting blade, and a slider punch. The slider seat is fixed to the male mold, and a slider is slidably mounted on the slider seat. The lower die cutting blade is mounted on the front end of the slider, and a guide slope is provided at the rear end of the lower die cutting blade. A slider punch that cooperates with the guide slope is mounted on the female mold.