A pre-compression structure for terminal strip

Abstract

This application provides a pre-compression structure for terminal strip, comprising a base, an upper cutter holder, a lower cutter holder, a drive assembly, and at least one set of pre-compression assemblies. The base has a movable space extending along a first horizontal direction. The upper and lower cutter holders are spaced apart along the first horizontal direction within the movable space. The terminal strip is located between the upper and lower cutter holders. The drive assembly is configured to drive the upper and lower cutter holders to move closer to or further away from the terminal strip along the first horizontal direction. The pre-compression assemblies are mounted on the upper cutter holder and configured to cooperate with the lower cutter holder to pre-compress the terminal strip. The upper cutter holder has a plurality of limiting holes at its end near the terminal strip. The pre-compression end of the pre-compression assembly passes through the limiting holes and is movable relative to the limiting holes. By mounting the pre-compression assembly on the upper cutter holder and ensuring the accuracy of the pre-compression through the limiting holes, the accuracy of the pre-compression is ensured, eliminating the need for additional guide components and simplifying the overall structure.

Description

Technical Field

[0001] This utility model relates to the field of terminal strip cutting technology, and in particular to a pre-compression structure for terminal strip. Background Technology

[0002] As the level of automation in the electronics manufacturing industry continues to increase, the pin insertion operation of terminals and connectors on PCBs is gradually shifting from manual operation to fully automated high-speed assembly. In this type of automatic pin insertion equipment, the fixed-length cutting of terminal strips is a preliminary step in the pin insertion process, and its structural layout and operating cycle directly affect the overall machine operating efficiency and assembly stability.

[0003] In existing technologies, pre-compression is required before cutting terminal strips to ensure their stability and improve cutting accuracy. For example, the utility model patent with authorization number CN215528169U discloses a pre-compression structure. This structure uses a limiting seat with several limiting holes, which is then set within the limiting seat by an elastic element and a positioning pin to ensure that the positioning pin moves in a preset direction. However, the additional limiting seat makes the overall structure cumbersome. Utility Model Content

[0004] The purpose of this application is to provide a pre-compression structure for terminal strips to solve the problem of complex structure of pre-compression devices in the prior art.

[0005] To achieve this objective, the following technical solution is adopted in this application:

[0006] This application provides a pre-compression structure for terminal strip, comprising a base, an upper cutter holder, a lower cutter holder, a drive assembly, and at least one set of pre-compression assemblies, wherein:

[0007] The base is provided with a movable space extending along a first horizontal direction. The upper and lower cutter holders are spaced apart in the movable space along the first horizontal direction. The terminal strip is located between the upper and lower cutter holders. The drive assembly is configured to drive the upper and lower cutter holders to move closer to or further away from the terminal strip along the first horizontal direction.

[0008] The pre-compression component is mounted on the upper cutter holder and is configured to cooperate with the lower cutter holder to pre-compress the terminal strip. The upper cutter holder has several limiting holes at one end near the terminal strip. The pre-compression end of the pre-compression component passes through the limiting holes and can move relative to the limiting holes.

[0009] Optionally, the preload assembly includes an elastic element, a limiting element, and a preload rod, wherein:

[0010] The upper tool holder is provided with a limiting space, which is connected to the outside through a limiting hole;

[0011] The preload rod is inserted into the limiting hole along the first horizontal direction, and the elastic element is disposed in the limiting space with the first end of the elastic element abutting against the end of the upper knife holder away from the terminal strip.

[0012] The limiting member is set in the limiting space, and the second end of the elastic member abuts against the first side of the limiting member extending in the second horizontal direction. The second side of the limiting member extending in the second horizontal direction is fixedly connected to the first end of the preload rod and abuts against the end of the upper knife holder near the terminal strip. The elastic member is configured to provide elastic force to the preload rod in the first horizontal direction.

[0013] Optionally, the limiting space is set to a cylindrical shape, the elastic element is adapted to the limiting space, and the limiting space is configured to limit the elastic element in the circumferential direction.

[0014] Optionally, a limiting seat is provided at one end of the upper cutter holder away from the terminal strip along the first horizontal direction. The limiting seat is fixedly connected to the upper cutter holder. A corresponding limiting groove is opened on the limiting seat at the first end facing the elastic member. The first end of the elastic member is disposed in the limiting groove and abuts against the bottom surface of the limiting groove.

[0015] Optionally, the pre-compression structure for the terminal strip also includes a pre-compression member, which is movably disposed in the moving space and located between the terminal strip and the upper cutter holder. The pre-compression member can move closer to or further away from the upper cutter holder in the first horizontal direction. The second end of the pre-compression rod abuts against the first end of the pre-compression member. The pre-compression member is set at a preset distance from the limiting hole before it abuts against the terminal strip.

[0016] Optionally, a mounting base is provided at one end of the upper tool holder near the preload member. The mounting base is configured to mount the upper tool. The preload member is provided with a clearance groove facing the mounting base. The clearance groove is configured to allow the mounting base to pass in a first horizontal direction.

[0017] The mounting base is provided with at least one guide groove, which extends along a first horizontal direction and is adapted to the preload rod. The preload rod abuts against the inner wall of the guide groove, and the guide groove is configured to guide the movement of the preload rod along the first horizontal direction.

[0018] Optionally, the guide groove is formed on the outer side of the mounting base.

[0019] Optionally, the pre-compression structure for the terminal strip includes four sets of pre-compression components, which are rectangularly distributed in the vertical plane where the second horizontal direction is located.

[0020] Compared with the prior art, the pre-compression structure for terminal strip proposed in this application has the following advantages:

[0021] 1) By installing the pre-compression component on the upper tool holder and having the pre-compression end of the pre-compression component pass through the limiting hole to ensure the accuracy of the pre-compression, there is no need to set up an additional limiting component, which simplifies the overall structure.

[0022] 2) By setting the limiting space to a cylindrical shape and matching it with the elastic element, the elastic element is ensured to be subjected to uniform force and move smoothly during operation, avoiding swaying and improving the safety of the pre-compression component.

[0023] 3) By setting a guide groove on the mounting base that matches the preload rod, the deviation of the preload direction caused by lateral force or elastic element offset is avoided, and no additional guide structure is required, which simplifies the overall structure.

[0024] 4) By opening the guide groove on the outer side of the mounting base, the preload rod is guided, and the running dynamic of the preload rod is easily observed, which facilitates maintenance and adjustment. Attached Figure Description

[0025] To more clearly illustrate and understand the technical solutions in the embodiments of this application, the accompanying drawings used in the background technology and embodiment descriptions of this application will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this application and these drawings without creative effort.

[0026] Figure 1 This is a three-dimensional structural schematic diagram of the pre-compression structure for terminal strip provided in the embodiments of this application;

[0027] Figure 2 This is a three-dimensional structural schematic diagram of a pre-compression assembly for a pre-compression structure of terminal strip provided in an embodiment of this application;

[0028] Figure 3 This is a first-view perspective three-dimensional structural schematic diagram of the upper blade holder of the pre-compression structure for terminal strip provided in the embodiments of this application;

[0029] Figure 4 This is a second-view perspective three-dimensional structural schematic diagram of the upper blade holder of the pre-pressing structure for terminal strip provided in the embodiments of this application. Detailed Implementation

[0030] To facilitate understanding of this application, a more complete description of the application will be provided below with reference to the accompanying drawings. Preferred embodiments of the application are shown in the drawings. However, the application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there may be an intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0031] Please see Figures 1 to 4 As shown in the figure, an embodiment of this application provides a pre-compression structure for terminal strip, which includes a base 10, an upper cutter holder 20, a lower cutter holder 30, a drive assembly (not shown in the figure), and at least one set of pre-compression assemblies 40, wherein: the base 10 is provided with a pre-compression assembly along a first horizontal direction ( Figure 1 The moving space 11 extends in the direction of X. The upper cutter holder 20 and the lower cutter holder 30 are spaced apart in the moving space 11 along the first horizontal direction. The terminal strip is located between the upper cutter holder 20 and the lower cutter holder 30. The driving component is configured to drive the upper cutter holder 20 and the lower cutter holder 30 to move closer to or away from the terminal strip along the first horizontal direction. The pre-pressing component 40 is disposed on the upper cutter holder 20. The pre-pressing component 40 is configured to cooperate with the lower cutter holder 30 to pre-press the terminal strip. The upper cutter holder 20 is provided with a plurality of limiting holes 21 at one end near the terminal strip. The pre-pressing end of the pre-pressing component 40 passes through the limiting holes 21 and can move relative to the limiting holes 21.

[0032] Specifically, the drive assembly uses a drive module consisting of a cylinder, a track plate, and a lateral follower to save lateral installation space.

[0033] By mounting the pre-compression component 40 on the upper tool holder 20, and having the pre-compression end of the pre-compression component 40 pass through the limiting hole 21 to ensure the accuracy of the pre-compression, no additional guide component is required, simplifying the overall structure.

[0034] In one embodiment, the pre-compression assembly 40 includes an elastic element 41, a limiting element 42, and a pre-compression rod 43, wherein: a limiting space 22 is provided in the upper cutter holder 20, and the limiting space 22 communicates with the outside through a limiting hole 21; the pre-compression rod 43 is inserted into the limiting hole 21 along a first horizontal direction; the elastic element 41 is disposed in the limiting space 22, and the first end of the elastic element 41 abuts against the end of the upper cutter holder 20 away from the terminal strip; the limiting element 42 is disposed in the limiting space 22, and the second end of the elastic element 41 abuts against the end of the limiting element 42 along a second horizontal direction (…). Figure 1 The first side of the limiting member 42 extends in the direction of Y, and the second side of the limiting member 42 extends in the second horizontal direction and is fixedly connected to the first end of the preload rod 43 and abuts against the end of the upper knife holder 20 near the terminal strip. The elastic member 41 is configured to provide elastic force to the preload rod 43 in the first horizontal direction.

[0035] Specifically, the elastic element 41 is configured as a rectangular spring, providing an elastic element 41 with high elastic deformation capability.

[0036] Specifically, the first horizontal direction is perpendicular to the second horizontal direction.

[0037] By combining the elastic element 41, the limiting element 42 and the preload rod 43, a preload assembly 40 with a simple structure and capable of stably providing elastic force is provided, which improves the stability of the preload process and the durability of the preload assembly 40.

[0038] In one embodiment, the limiting space 22 is cylindrical, and the elastic member 41 is adapted to the limiting space 22. The limiting space 22 is configured to limit the elastic member 41 in the circumferential direction.

[0039] By setting the limiting space 22 to a cylindrical shape and adapting it to the elastic element 41, the elastic element 41 is ensured to be subjected to uniform force and move smoothly during operation, avoiding swaying and improving the safety of the pre-compression component 40.

[0040] In one embodiment, a limiting seat 23 is provided at one end of the upper cutter holder 20 away from the terminal strip along the first horizontal direction. The limiting seat 23 is fixedly connected to the upper cutter holder 20. A corresponding limiting groove 230 is provided on the first end of the limiting seat 23 facing the elastic member 41. The first end of the elastic member 41 is disposed in the limiting groove 230 and abuts against the bottom surface of the limiting groove 230.

[0041] By setting a limiting seat 23 and opening a limiting groove 230 at the end of the upper knife holder 20 away from the terminal strip, the position of the elastic element 41 is further prevented from shifting during operation, thereby improving the assembly accuracy and reliability of the pre-compression assembly 40.

[0042] In one embodiment, the pre-compression structure for the terminal strip further includes a pre-compression member 50, which is movably disposed within the moving space 11 and located between the terminal strip and the upper cutter holder 20. The pre-compression member 50 can move closer to or further away from the upper cutter holder 20 along a first horizontal direction. The second end of the pre-compression rod 43 abuts against the first end of the pre-compression member 50. The pre-compression member 50 is set at a preset distance from the limiting hole 21 before abutting against the terminal strip.

[0043] Specifically, the pre-compression component 50 is set as a waste block, which provides the pre-compression function while facilitating the collection of waste materials after cutting.

[0044] Specifically, the lower blade holder 30 is provided with a lower blade at one end facing the terminal strip, and the pre-compression member 50 cooperates with the lower blade on the lower blade holder 30 to pre-compress the terminal strip.

[0045] The pre-compression rod 43 is set to abut against the waste block so that the waste block abuts against the terminal strip. This not only increases the pre-compression area of ​​the terminal strip, but also facilitates the collection of the cut waste and simplifies the overall structure.

[0046] In one embodiment, the upper cutter holder 20 is provided with a mounting base 24 near the preload member 50. The mounting base 24 is configured to mount the upper cutter 25. The preload member 50 is provided with a clearance groove facing the mounting base 24. The clearance groove is configured to allow the mounting base 24 to pass in a first horizontal direction. The mounting base 24 is provided with at least one guide groove 240. The guide groove 240 extends in the first horizontal direction and is adapted to the preload rod 43. The preload rod 43 abuts against the inner wall of the guide groove 240. The guide groove 240 is configured to guide the movement of the preload rod 43 in the first horizontal direction.

[0047] Specifically, the mounting base 24 has four guide grooves 240, and a single preload rod 43 is set in a single guide groove 240.

[0048] By providing a guide groove 240 on the mounting base 24 that is compatible with the preload rod 43, the deviation of the preload direction caused by lateral force or the offset of the elastic element 41 is avoided, and no additional guide structure is required, thus simplifying the overall structure.

[0049] In one embodiment, the guide groove 240 is formed on the outer side of the mounting base 24.

[0050] By opening the guide groove 240 on the outer side of the mounting base 24, the preload rod 43 is guided, and the operation dynamic of the preload rod 43 is easily observed, which facilitates maintenance and adjustment.

[0051] In one embodiment, the pre-compression structure for the terminal strip includes four sets of pre-compression components 40, which are rectangularly distributed in the vertical plane where the second horizontal direction is located.

[0052] By setting four sets of pre-compression components 40 and distributing them in a rectangular pattern, pre-compression pressure can be applied evenly in multiple directions, ensuring balanced pressure on the pre-compression component 50, thereby ensuring the uniformity and stability of the force on the terminal strip, and further improving cutting accuracy and production efficiency.

[0053] The working principle of the pre-compression structure used for terminal strips described above is as follows:

[0054] S1: The drive assembly drives the upper tool holder 20 and the lower tool holder 30 to move closer to each other in the first horizontal direction. The upper tool holder 20 drives the limit seat 23 to move synchronously, so as to drive the preload rod 43 to move through the spring and the limit member 42.

[0055] S2, the preload rod 43 pushes the waste block toward the terminal strip so as to abut against the terminal strip through cooperation with the lower cutter holder 30;

[0056] S3, the drive assembly continues to drive the upper cutter holder 20 to move toward the scrap block to a preset distance, the mounting base 24 moves within the clearance space, the preload rod 43 moves synchronously within the guide groove 240, the scrap block remains stationary, the limit seat 23 applies pressure to the spring to compress the spring, and the spring simultaneously transmits the elastic force to the scrap block through the preload rod 43, thereby causing the scrap block to cooperate with the lower cutter on the lower cutter holder 30 to press the terminal strip tightly.

[0057] The above embodiments merely illustrate the basic principles and characteristics of this application. This application is not limited to the above examples. Various changes and modifications can be made to this application without departing from the spirit and scope thereof, and all such changes and modifications fall within the scope of this application as claimed. The scope of protection of this application is defined by the appended claims and their equivalents.

Claims

1. A pre-compression structure for terminal strip, characterized in that, The pre-compression structure for terminal strip includes a base, an upper cutter holder, a lower cutter holder, a drive assembly, and at least one set of pre-compression assemblies, wherein: The base is provided with a movable space extending along a first horizontal direction. The upper cutter holder and the lower cutter holder are spaced apart in the movable space along the first horizontal direction. The terminal strip is located between the upper cutter holder and the lower cutter holder. The driving component is configured to drive the upper cutter holder and the lower cutter holder to move closer to or further away from the terminal strip along the first horizontal direction. The pre-compression component is disposed on the upper cutter holder and is configured to cooperate with the lower cutter holder to pre-compress the terminal strip. The upper cutter holder has a plurality of limiting holes at one end near the terminal strip, and the pre-compression end of the pre-compression component passes through the limiting holes and can move relative to the limiting holes.

2. The pre-compression structure for terminal strips according to claim 1, characterized in that, The preload assembly includes an elastic element, a limiting element, and a preload rod, wherein: The upper tool holder is provided with a limiting space, and the limiting space is connected to the outside through the limiting hole; The preload rod is inserted into the limiting hole along the first horizontal direction, and the elastic element is disposed in the limiting space with the first end of the elastic element abutting against the end of the upper knife holder away from the terminal strip. The limiting member is disposed within the limiting space, and the second end of the elastic member abuts against the first side of the limiting member extending along the second horizontal direction. The second side of the limiting member extending along the second horizontal direction is fixedly connected to the first end of the preload rod and abuts against the end of the upper cutter holder near the terminal strip. The elastic member is configured to provide elastic force to the preload rod along the first horizontal direction.

3. The pre-compression structure for terminal strips according to claim 2, characterized in that, The limiting space is cylindrical, the elastic element is adapted to the limiting space, and the limiting space is configured to limit the elastic element along the circumferential direction.

4. The pre-compression structure for terminal strips according to claim 2, characterized in that, The upper blade holder is provided with a limiting seat at one end away from the terminal strip along the first horizontal direction. The limiting seat is fixedly connected to the upper blade holder. A corresponding limiting groove is opened on the limiting seat facing the first end of the elastic member. The first end of the elastic member is disposed in the limiting groove and abuts against the bottom surface of the limiting groove.

5. The pre-compression structure for terminal strips according to claim 2, characterized in that, The pre-compression structure for the terminal strip also includes a pre-compression member, which is movably disposed within the moving space and located between the terminal strip and the upper cutter holder. The pre-compression member can move closer to or further away from the upper cutter holder along the first horizontal direction. The second end of the pre-compression rod abuts against the first end of the pre-compression member. The pre-compression member is set at a preset distance from the limiting hole before it abuts against the terminal strip.

6. The pre-compression structure for terminal strips according to claim 5, characterized in that, The upper blade holder is provided with a mounting base at one end near the pre-compression member. The mounting base is configured to mount the upper blade. The pre-compression member is provided with a clearance groove facing the mounting base. The clearance groove is configured to allow the mounting base to pass along the first horizontal direction. The mounting base is provided with at least one guide groove, which extends along the first horizontal direction and is adapted to the preload rod. The preload rod abuts against the inner wall of the guide groove, and the guide groove is configured to guide the movement of the preload rod along the first horizontal direction.

7. The pre-compression structure for terminal strips according to claim 6, characterized in that, The guide groove is formed on the outer side of the mounting base.

8. The pre-compression structure for terminal strips according to claim 2, characterized in that, The pre-compression structure for terminal strips includes four sets of pre-compression components, which are rectangularly distributed in the vertical plane containing the second horizontal direction.

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