Pin crimping tool

By designing a pin crimping tool with cylinder drive, the problem of loose wire ends when placed vertically is solved, automatic tightening and protection of wire connection ends is realized, and insertion efficiency and reliability are improved.

CN223052560UActive Publication Date: 2025-07-01SICHUAN JINWANTONG ELECTRONIC EQUIP CO LTD
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Patent Information

Application Number
CN202422202083.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-07-01
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

In the prior art, the wire ends are easily loose when placed vertically into the connecting end slot, and require manual hands to be operated in or adjusted, resulting in inconvenient insertion.

Method used

A pin crimping tool is designed, which includes components such as base, base plate, support plate, cylinder, connecting rod and press rod. The wire connection end is horizontally placed, initially positioned and fastened by cylinder driving connecting rod and press rod, and the connecting end is protected by arc-shaped shrapnel and rubber layer to avoid damage.

Benefits of technology

Automatic tightening of wire connection ends is realized, manual operation is reduced, wire loosening and damage is avoided, and insertion efficiency and reliability are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223052560U_ABST
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Abstract

The utility model discloses a pin crimping tool comprising a pedestal, the top surface of the pedestal is provided with a bottom plate, the right side of the top of the bottom plate is provided with a placing groove, the top and the right side of the placing groove are open, the rear end of the bottom plate is connected with a support plate, the support plate is vertically arranged on the top surface of the pedestal, and the bottom of the bottom plate is provided with a pin. The top of the supporting plate is provided with a first air cylinder, the output end of the bottom of the first air cylinder is connected with the top of a connecting rod, the bottom of the connecting rod is located over the containing groove, and the bottom of the connecting rod is provided with a pressing rod. When the wire end is inserted into the groove, the wire end and the connecting end are loosened, the wire end can be placed into the groove through manual two-hand operation, otherwise, the wire end can be inserted in place only by moving and adjusting the wire end towards the interior of the connecting end after the wire end is placed into the groove.
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Description

Technical Field

[0001] The utility model relates to the technical field of crimping tooling, in particular to a pin crimping tooling. Background Art

[0002] A crimping terminal is an electrical connection method that connects a wire and a terminal together through mechanical pressure. First, the end of the wire is peeled, then the exposed conductor part is inserted into the metal tube of the terminal, and then a special tool is used to apply a certain pressure to the crimping area of the terminal to tightly wrap it around the conductor, so as to achieve a reliable electrical connection and mechanical connection.

[0003] Currently, after inserting the wire into the inside of the connection end, the connection end is placed in the slot under the crimping part, and the crimping part crimps the pins at the connection end, so that the connection end and the wire end are tightly fixed. In this vertical placement method, the wire end and the connection end will become loose, and it requires manual operation with both hands to place it in the slot. Otherwise, after placement, the wire end still needs to be moved and adjusted towards the inside of the connection end to be inserted in place.

[0004] Therefore, it is necessary to provide a pin crimping tooling to solve the above technical problems. Summary of the Utility Model

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a pin crimping tooling to solve the problem that in the existing vertical placement method of the crimping slot, the wire end and the connection end will become loose, and it requires manual operation with both hands to place it in the slot. Otherwise, after placement, the wire end still needs to be moved and adjusted towards the inside of the connection end to be inserted in place.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] A pin crimping tooling, comprising: a base;

[0008] A bottom plate is installed on the top surface of the base. A placement slot is opened on the right side of the top of the bottom plate. The top and the right side of the placement slot are open. The rear end of the bottom plate is connected to a support plate. The support plate is vertically installed on the top surface of the base. A first cylinder is installed on the top of the support plate. The bottom output end of the first cylinder is installed and connected to the top of a connecting rod. The bottom of the connecting rod is located directly above the placement slot. A pressing rod is installed at the bottom of the connecting rod. The number of the pressing rods is the same as the number of fastening slots of the connection end. Limiting rods are installed on both sides of the connecting rod. The limiting rods are installed on the front end surface of the support plate through bolts.

[0009] In one embodiment, a positioning groove is formed on the left side of the placement groove. The positioning groove is integrally in an L-shaped structure, and its size is the same as the size of the left side of the connection end. A first contact switch is installed on the inner wall of the placement groove facing the support plate. A fixing plate is installed below the right side surface of the placement groove. A first air cylinder is installed on the top surface of the fixing plate. The second air cylinder is electrically connected to the first contact switch. The second air cylinder is connected to a push rod, and the push rod extends toward the placement groove, and a positioning plate is installed at the extended end.

[0010] In one embodiment, an arc-shaped elastic sheet is installed on the surface of the positioning plate facing the placement groove, and a rubber layer is coated on the contact surface of the arc-shaped elastic sheet and the connection end.

[0011] In one embodiment, side plates are installed at the bottom of both sides of the connecting rod. Contacts are installed on the top of the side plates. A first contact switch is installed at the bottom of the limiting rod. The first contact switch is electrically connected to the second air cylinder. The second contact switch, the first contact switch and the second air cylinder are in a double-control electrical connection.

[0012] In one embodiment, a lapping plate is installed below the base at the placement groove. The lapping plate extends obliquely upward. A groove is formed on the top of the lapping plate.

[0013] The beneficial effects of the present utility model are as follows:

[0014] (1) In the present utility model, the connection end inserted with the electric wire is horizontally placed into the placement groove. After the front end of the connection end enters the placement groove, it is translated to the left into the positioning groove to complete the preliminary positioning of the connection end. During the preliminary positioning, the connection end contacts the first contact switch, and the second air cylinder is started to drive the push rod and the positioning plate to displace toward the right side of the connection end until they are in a tightened state. The connecting rod is driven by the first air cylinder to move under the limitation of the limiting rod, and the inside of the connection end is tightly pressed through the pressing rod. After the connection end is pressed, the connecting rod and the pressing rod are reset, so that the side contact on the top of the side plate contacts the second contact switch, thereby controlling the second air cylinder to reset and releasing the limitation on the connection end.

[0015] (2) In the present utility model, an arc-shaped elastic sheet is installed on the surface of the positioning plate facing the placement groove, and a rubber layer is coated on the contact surface of the arc-shaped elastic sheet and the connection end, so as to avoid damage to the connection end caused by hard extrusion contact. After the connection end is placed, the electric wire is placed in the groove on the top of the lapping plate, thereby avoiding the problem of the electric wire sagging and loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structure diagram of the present utility model;

[0017] Figure 2 is the detailed diagram of each component of the present utility model after being disassembled;

[0018] Figure 3 This is the detailed view of the limit rod of the present utility model.

[0019] Among them, the names corresponding to the reference numerals are: base 1, overlapping plate 11, bottom plate 2, placement groove 21, positioning groove 22, fixing plate 23, second cylinder 24, push rod 25, positioning plate 26, arc-shaped elastic piece 27, first contact switch 28, support plate 3, first cylinder 4, limit rod 5, second contact switch 51, connecting rod 6, pressing rod 61, side plate 62, contact head 63. Specific embodiments

[0020] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments. The embodiments of the present utility model include but are not limited to the following embodiments.

[0021] As Figure 1 - Figure 2 shown, a pin pressing and connecting tooling provided by the present utility model includes: base 1, bottom plate 2, support plate 3, first cylinder 4, limit rod 5, connecting rod 6;

[0022] As Figure 1 shown, the top surface of the base 1 is provided with a bottom plate 2. A placement groove 21 is opened on the right side of the top of the bottom plate 2. The top and the right side of the placement groove 21 are open. The rear end of the bottom plate 2 is connected to the support plate 3. The support plate 3 is vertically installed on the top surface of the base 1. A first cylinder 4 is installed on the top of the support plate 3. The bottom output end of the first cylinder 4 is installed and connected to the top of the connecting rod 6. The bottom of the connecting rod 6 is located directly above the placement groove 21. A pressing rod 61 is installed at the bottom of the connecting rod 6. The number of the pressing rods 61 is the same as the number of fastening grooves at the connecting end. Limit rods 5 are installed on both sides of the connecting rod 6. The limit rods 5 are installed on the front end face of the support plate 3 by bolts. During operation, the connecting end inserted with the wire is horizontally placed into the placement groove 21 until the surface of the connecting end abuts against the end face of the placement groove 21. The first cylinder 4 drives the connecting rod 6 to move under the limitation of the limit rods 5, and the connecting end is tightly pressed inside by the pressing rod 61.

[0023] Preferably, in one embodiment, as Figure 1 - Figure 2As shown in the figure, a positioning groove 22 is provided on the left side of the placement groove 21. The positioning groove 22 is integrally in an L-shaped structure, and its size is the same as the size of the left side of the connection end. A first contact switch 28 is installed on the inner wall of the placement groove 21 facing the support plate 3. A fixed plate 23 is installed below the right side surface of the placement groove 21. A second cylinder 24 is installed on the top surface of the fixed plate 23. The second cylinder 24 is electrically connected to the first contact switch 28. The second cylinder 24 is connected to a push rod 25. The push rod 25 extends towards the placement groove 21, and a positioning plate 26 is installed at the extended end. During operation, after the front end of the connection end enters the placement groove 21, it is translated towards the left into the positioning groove 22 to complete the preliminary positioning of the connection end. During preliminary positioning, the connection end contacts the first contact switch 28, and the second cylinder 24 is started to drive the push rod 25 and the positioning plate 26 to displace towards the right side of the connection end until it is in a tightened state, facilitating the pressing of the connection end by the pressing rod 61.

[0024] Preferably, in one embodiment, an arc-shaped elastic piece 27 is installed on the surface of the positioning plate 26 facing the placement groove 21. A rubber layer is coated on the contact surface of the arc-shaped elastic piece 27 with the connection end, aiming to avoid damage to the connection end caused by hard extrusion contact.

[0025] Preferably, in one embodiment, as Figure 2 - Figure 3 shown, side plates 62 are installed at the bottom of both sides of the connecting rod 6. A contact head 63 is installed at the top of the side plates 62. A second contact switch 51 is installed at the bottom of the limiting rod 5. The second contact switch 51 is electrically connected to the second cylinder 24. The second contact switch 51, the first contact switch 28 and the second cylinder 24 are in a double-control electrical connection. During operation, after the connection end is pressed, the connecting rod 6 and the pressing rod 61 are reset, so that the contact head 63 on the top side of the side plate 62 contacts the second contact switch 51, thereby controlling the second cylinder 24 to reset and releasing the limit on the connection end.

[0026] Preferably, in one embodiment, as Figure 1 shown, a lapping plate 11 is installed below the base 1 at the placement groove 21. The lapping plate 11 extends obliquely upward. A groove is provided at the top of the lapping plate 11. After the connection end is placed, the wire is placed in the groove at the top of the lapping plate 11, thereby avoiding the problem of the wire sagging and becoming loose.

[0027] The working principle of the present utility model:

[0028] During operation, the connection end inserted with the wire is horizontally placed into the placement groove 21. After the front end of the connection end enters the placement groove 21, it is translated to the left into the positioning groove 22 to complete the preliminary positioning of the connection end. During the preliminary positioning, the connection end contacts the first contact switch 28, and the second cylinder 24 is activated to drive the push rod 25 and the positioning plate 26 to displace towards the right side of the connection end until they are in a tightened state. The connecting rod 6 is driven by the first cylinder 4 to move under the limitation of the limiting rod 5, and the inside of the connection end is tightly pressed by the pressing rod 61. After the connection end is pressed, the connecting rod 6 and the pressing rod 61 are reset, so that the side contact 63 at the top of the side plate 62 contacts the second contact switch 51, thereby controlling the second cylinder 24 to reset and releasing the limitation on the connection end.

[0029] The above embodiments are only one of the preferred embodiments of the present invention and should not be used to limit the protection scope of the present invention. Any meaningless changes or refinements made in the main design concept and spirit of the present invention, as long as the technical problems solved are still the same as those of the present invention, should be included in the protection scope of the present invention.

Claims

1. A pin crimping tool, characterized in that: include: Base; A bottom plate is installed on the top surface of the base, and a placement groove is opened on the top right side of the bottom plate, and the top and right side of the placement groove are open. The rear end of the bottom plate is connected to the support plate, and the support plate is vertically installed on the top surface of the base. A first cylinder is installed on the top of the support plate, and the bottom output end of the first cylinder is installed and connected to the top of the connecting rod. The bottom of the connecting rod is located directly above the placement groove, and a pressure rod is installed on the bottom of the connecting rod. The number of the pressure rods is consistent with the number of fastening grooves at the connecting end. Limit rods are installed on both sides of the connecting rod, and the limit rods are installed on the front end surface of the support plate by bolts.

2. A pin crimping tool according to claim 1, characterized in that: A positioning groove is provided on the left side of the placement groove, and the positioning groove is an L-shaped structure as a whole, and its size is consistent with the size of the left side of the connecting end. A first contact switch is installed on the inner wall of the placement groove facing the support plate, and a fixing plate is installed below the right side surface of the placement groove. A second cylinder is installed on the top surface of the fixing plate, and the second cylinder is electrically connected to the first contact switch. The first cylinder is connected to a push rod, and the push rod extends toward the placement groove, and a positioning plate is installed on the extended end.

3. A pin crimping tool according to claim 2, characterized in that: The surface of the positioning plate facing the placement groove is provided with an arc-shaped spring sheet, and the contact surface between the arc-shaped spring sheet and the connection end is covered with a rubber layer.

4. The pin crimping tool according to claim 1, characterized in that: Side plates are installed at the bottom of both sides of the connecting rod, contacts are installed on the top of the side plates, and a second contact switch is installed at the bottom of the limit rod. The second contact switch is electrically connected to the second cylinder, and the second contact switch, the first contact switch and the second cylinder are in double-control electrical connection.

5. The pin crimping tool according to claim 2, characterized in that: A lap plate is installed on the base below the placement groove. The lap plate is extended and arranged to be inclined upwards. A groove is formed on the top of the lap plate.