A terminal bending apparatus
By designing a terminal bending device with a frame, carrier positioning track, and rotary bending mechanism, the problems of poor adaptability and terminal damage during bending of existing equipment have been solved, achieving rapid positioning, locking, and high-quality terminal bending.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU E CONN TECH
- Filing Date
- 2025-07-09
- Publication Date
- 2026-07-07
AI Technical Summary
Existing terminal bending equipment is highly specialized and difficult to adapt to various terminal types, and it is easy to damage the terminals during the bending process.
A terminal bending device is designed, comprising a frame, a carrier entry rail, a carrier, a bending limit block, and a rotary bending mechanism. The carrier entry rail quickly positions and locks the carrier, and the rotary bending mechanism uses a pre-compression block assembly and a rotary bending assembly to prevent damage to the terminals during the bending process.
It achieves rapid positioning and locking of the carrier, can adapt to different types of terminals, and provides elastic pre-pressure before rotation and bending to avoid damage to the terminals and ensure bending quality.
Smart Images

Figure CN224472902U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connector processing technology, and in particular to a terminal bending device. Background Technology
[0002] As international market consumption decreases towards single products and increases towards product variety, there is a growing demand for small-batch, diverse production of products, especially connectors. Due to the wide variety of connectors and the diverse types of terminals involved, the processing of terminals involves bending, which can easily damage the terminals. Furthermore, different terminals have different bending positions and angles. Currently, most bending equipment is specialized equipment. Based on these shortcomings, it is necessary to improve existing technology and design a terminal bending device. Utility Model Content
[0003] The main technical problem solved by this utility model is to provide a terminal bending device that can quickly position and lock the carrier, can disassemble and replace different models of carriers, has strong versatility, and elastically pre-presses the product terminals before rotation and bending to prevent damage to the product and ensure bending quality.
[0004] To solve the above-mentioned technical problems, the present invention provides a terminal bending device, which includes a frame, a carrier positioning rail, a carrier, a bending limiting block, and a rotary bending mechanism. The frame is equipped with a carrier positioning rail, on which a carrier for positioning the terminal to be bent is mounted for quick assembly and disassembly. A bending limiting block is installed at the front end of the carrier positioning rail, and a rotary bending mechanism is connected above the carrier. The rotary bending mechanism includes a gantry frame, a pressing slider, a carrier positioning block pre-pressure positioning cylinder, a pre-pressure block assembly, and a rotary bending assembly. The frame includes a bending cylinder, a cylinder mounting base, and a carrier positioning block. A pre-compression slide is provided on the opposite sides of the two upright plates of the portal frame. A downward-pressing slider is installed within the pre-compression slide. A pre-compression positioning cylinder is installed on the top plate of the portal frame to drive the downward-pressing slider to slide up and down along the pre-compression slide. A pre-compression block assembly for pre-compressing products and terminals is elastically installed vertically on the downward-pressing slider. A rotary bending assembly is rotatably installed at the lower end of the downward-pressing slider. The bending cylinder is fixed to the side end of the downward-pressing slider via a cylinder mounting base. The bending cylinder drives the rotary bending assembly to rotate and bend the terminals. A carrier positioning block that mates with a positioning groove on the carrier is also installed at the other end of the downward-pressing slider.
[0005] Preferably, the pre-compression block assembly includes a bending pre-compression block, a connecting rod, and a buffer spring. The bending pre-compression block is slidably mounted vertically on the pressing slider. A vertical adjustment hole is provided in the middle of the bending pre-compression block, and a connecting rod is horizontally placed in the adjustment hole. The connecting rod is fixed to the carrier positioning block. The top of the bending pre-compression block is elastically connected to the pressing slider through the buffer spring. A pre-compression bending table that cooperates with the product and terminals is provided at the bottom of the bending pre-compression block.
[0006] Preferably, the rotary bending assembly includes a rotary bending block, a lower pressing block, and a tension spring. The tail of the rotary bending block is rotatably mounted to the lower end of the lower pressing block via a pin. The lower pressing block is mounted on the piston rod of the bending cylinder. The lower pressing block passes through the cylinder mounting seat. The opposing surfaces of the lower pressing block and the rotary bending block are arc-shaped surfaces that are rotatably fitted. The two ends of the lower pressing block and the rotary bending block are elastically connected by a tension spring. The front end of the rotary bending block is provided with an extended bending portion. The cylinder mounting seat is provided with a limiting opening that limits the left and right directions of the bending portion.
[0007] Preferably, the carrier is determined according to the terminal type and bending requirements.
[0008] Preferably, the upper end of the carrier placement track is a guide rail for placing the carrier, the side end of the carrier placement track is equipped with a stop block for limiting the position of the carrier, and the carrier placement track is also provided with mounting holes for locking and fixing the carrier.
[0009] Preferably, the bottom of the carrier is provided with a sliding groove that mates with the carrier entry rail, the sliding groove and the rail slide together, the carrier is provided with holes that mate with the mounting holes on the carrier entry rail, the carrier is provided with a feeding platform and a bending platform for placing terminals, the angle and size of the feeding platform and the bending platform are designed according to the terminal product, and the carrier is also provided with a positioning groove that mates with the rotary bending mechanism.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] The carrier insertion track is equipped with stops and mounting holes, which can quickly position and lock the carrier.
[0012] The rotary bending mechanism is equipped with a carrier positioning block for docking and positioning the carrier, a pre-compression block assembly for pre-compressing the product, and a rotary bending assembly for bending the terminal, making it multifunctional;
[0013] The bending pre-compression block of the pre-compression block assembly is elastically installed by a buffer spring, which can ensure that the product is pre-compressed without damaging it. Pre-compressing the product prevents it from shaking during the bending process and prepares it for subsequent bending.
[0014] The rotary bending block of the rotary bending assembly is driven to rotate and bend by a bending cylinder. It is not rigidly connected by a lower pressure block, which ensures the rotary bending action while avoiding damage to the bending block. It is also elastically connected by a tension spring, which can reset in time.
[0015] The carrier is designed according to the product terminal type and bending requirements, and is easy to disassemble and install onto the carrier mounting rail, making it highly versatile. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of a terminal bending device.
[0017] Figure 2 This is a schematic diagram of a terminal bending device from another perspective.
[0018] Figure 3 This is a partial structural diagram of a terminal bending device.
[0019] Figure 4 This is a schematic diagram of the rotary bending mechanism of a terminal bending device.
[0020] Figure 5 This is a schematic diagram of the pre-compression block assembly structure of a terminal bending device.
[0021] Figure 6 Schematic diagrams of different specifications of carriers and corresponding bending preload blocks.
[0022] Among them, 1. Frame, 2. Carrier entry track, 21. Stop block, 22. Mounting hole, 3. Carrier, 31. Feeding platform, 32. Bending platform, 33. Positioning groove, 4. Bending limit block, 5. Rotary bending mechanism, 51. Gantry frame, 52. Pressing slider, 53. Pre-pressing positioning cylinder, 54. Pre-pressing block assembly, 541. Bending pre-pressing block, 540. Adjustment hole, 542. Connecting rod, 543. Buffer spring, 55. Rotary bending assembly, 551. Rotary bending block, 550. Bending part, 552. Pressing block, 553. Tension spring, 56. Bending cylinder, 57. Cylinder fixing seat, 570. Limiting opening, 58. Carrier positioning block. Detailed Implementation
[0023] 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.
[0024] Please see Figures 1 to 6 The embodiments of this utility model include:
[0025] A terminal bending device includes a frame 1, a carrier entry rail 2, a carrier 3, a bending limit block 4, and a rotary bending mechanism 5.
[0026] The frame 1 is equipped with a carrier entry rail 2, and a carrier 3 for positioning the terminal to be bent is installed on the carrier entry rail 2. The carrier 3 is determined according to the terminal type and bending requirements. A bending limit block 4 is installed at the front end of the carrier entry rail 2, and a rotary bending mechanism 5 is connected above the carrier 3.
[0027] The upper end of the carrier placement track 2 is a guide rail for placing the carrier 3. The side end of the carrier placement track 2 is equipped with a stop block 21 for limiting the position of the carrier 3. The carrier placement track 2 is also provided with a mounting hole 22 for locking and fixing the carrier.
[0028] The bottom of the carrier 3 is provided with a sliding groove that mates with the carrier entry rail 2. The sliding groove and the rail slide together. The carrier 3 is provided with holes that mate with the mounting holes 22 on the carrier entry rail 2. The carrier 3 is provided with a feeding platform 31 and a bending platform 32 for placing terminals. The angles and dimensions of the feeding platform 31 and the bending platform 32 are designed according to the terminal product. The carrier 3 is also provided with a positioning groove 33 that mates with the rotary bending mechanism 5.
[0029] The rotary bending mechanism 5 includes a portal frame 51, a pressing slider 52, a carrier positioning block pre-pressing positioning cylinder 53, a pre-pressing block assembly 54, a rotary bending assembly 55, a bending cylinder 56, a cylinder fixing seat 57, and a carrier positioning block 58. The two upright plates of the portal frame 51 are provided with pre-pressing slides on their opposite sides. The pressing slider 52 is installed in the pre-pressing slides. The top plate of the portal frame 51 is equipped with a pre-pressing positioning cylinder 53 that drives the pressing slider 52 to slide up and down along the pre-pressing slide. The pressing slider 52 is vertically elastically mounted with a pre-pressing block assembly 54 for pre-pressing products and terminals. The lower end of the pressing slider 52 is rotatably mounted with a rotary bending assembly 55. The bending cylinder 56 is fixed to the side end of the pressing slider 52 through a cylinder fixing seat 57. The bending cylinder 56 drives the rotary bending assembly 55 to rotate and bend the terminals. The other end of the pressing slider 52 is also equipped with a carrier positioning block 58 that cooperates with the positioning groove 33 on the carrier 3.
[0030] The pre-compression block assembly 54 includes a bending pre-compression block 541, a connecting rod 542, and a buffer spring 543. The bending pre-compression block 541 is slidably mounted vertically on the pressing slider 52. A vertical adjustment hole 540 is provided in the middle of the bending pre-compression block 541. The connecting rod 542 is horizontally placed in the adjustment hole 540 and fixed to the carrier positioning block 58. The top of the bending pre-compression block 541 is elastically connected to the pressing slider 52 through the buffer spring 543. A pre-compression bending table that cooperates with the product and terminals is provided at the bottom of the bending pre-compression block 541.
[0031] The rotary bending assembly 55 includes a rotary bending block 551, a lower pressing block 552, and a tension spring 553. The tail of the rotary bending block 551 is rotatably mounted to the lower end of the lower pressing slider 52 by a pin. The lower pressing block 552 is mounted on the piston rod of the bending cylinder 56. The lower pressing block 552 passes through the cylinder fixing seat 57. The opposing surfaces of the lower pressing block 552 and the rotary bending block 551 are arc-shaped surfaces that are rotatably engaged. The two ends of the lower pressing block 552 and the rotary bending block 551 are elastically connected by the tension spring 553. The front end of the rotary bending block 551 is provided with an extended bending portion 550. The cylinder fixing seat 57 is provided with a limiting opening 570 that limits the left and right directions of the bending portion 550.
[0032] When the terminal bending equipment of this utility model is working, the carrier 3 with the product to be processed is placed in position along the carrier entry track 2, the stop block 21 abuts against the carrier 3, and the carrier 3 is locked and fixed into the mounting hole 22 by screws. The pre-pressing positioning cylinder 53 is activated to drive the pressing slider 52 to move to the lower position. The pressing slider 52 drives the pre-pressing block assembly 54 to elastically pre-press the product. At the same time, the pressing slider 52 drives the carrier positioning block 58 to insert into the positioning groove 33 of the carrier 3. After it is in position, the piston rod of the bending cylinder 56 extends and pushes the rotating bending block 551 to rotate through the pressing block 552 to bend the product terminal until it contacts the bending limit block 4, and then returns to the original position in sequence. After completing a set of bending actions, the processed product is taken out.
[0033] This utility model relates to a terminal bending device that can quickly position and lock the carrier. Different models of carriers can be disassembled and replaced, making it highly versatile. Before rotation and bending, the product terminals are elastically pre-pressed to prevent damage to the product and ensure bending quality.
[0034] 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. A terminal bending device, characterized in that: The system includes a frame, a carrier entry rail, a carrier, a bending limit block, and a rotary bending mechanism. The frame is equipped with the carrier entry rail, on which a carrier for positioning the terminal to be bent is mounted for quick assembly and disassembly. A bending limit block is installed at the front end of the carrier entry rail, and a rotary bending mechanism is connected above the carrier. The rotary bending mechanism includes a gantry frame, a pressing slider, a carrier positioning block pre-pressure positioning cylinder, a pre-pressure block assembly, a rotary bending assembly, a bending cylinder, a cylinder fixing seat, and a carrier positioning block. Two upright plates are provided with pre-compression slides on their opposite sides. A downward sliding block is installed in the pre-compression slide. A pre-compression positioning cylinder is installed on the top plate of the portal frame to drive the downward sliding block to slide up and down along the pre-compression slide. A pre-compression block assembly for pre-compressing products and terminals is elastically installed vertically on the downward sliding block. A rotary bending assembly is rotatably installed at the lower end of the downward sliding block. A bending cylinder is fixed to the side end of the downward sliding block through a cylinder fixing seat. The bending cylinder drives the rotary bending assembly to rotate and bend the terminal. A carrier positioning block that mates with the positioning groove on the carrier is also installed at the other end of the downward sliding block.
2. The terminal bending device according to claim 1, characterized in that: The pre-compression block assembly includes a bending pre-compression block, a connecting rod, and a buffer spring. The bending pre-compression block is slidably mounted vertically on the pressing slider. A vertical adjustment hole is provided in the middle of the bending pre-compression block, and a connecting rod is placed horizontally in the adjustment hole. The connecting rod is fixed to the carrier positioning block. The top of the bending pre-compression block is elastically connected to the pressing slider through the buffer spring. A pre-compression bending table that cooperates with the product and terminals is provided at the bottom of the bending pre-compression block.
3. The terminal bending device according to claim 1, characterized in that: The rotary bending assembly includes a rotary bending block, a lower pressing block, and a tension spring. The tail of the rotary bending block is rotatably mounted to the lower end of the lower pressing block via a pin. The lower pressing block is mounted on the piston rod of the bending cylinder and passes through the cylinder mounting seat. The opposing surfaces of the lower pressing block and the rotary bending block are arc-shaped surfaces that are rotatably fitted. The two ends of the lower pressing block and the rotary bending block are elastically connected by a tension spring. The front end of the rotary bending block is provided with a protruding bending portion, and the cylinder mounting seat is provided with a limiting opening that limits the left and right directions of the bending portion.
4. The terminal bending device according to claim 1, characterized in that: The carrier depends on the terminal type and bending requirements.
5. The terminal bending device according to claim 1, characterized in that: The upper end of the carrier placement track is a guide rail for placing the carrier. The side end of the carrier placement track is equipped with a stop block for limiting the position of the carrier. The carrier placement track is also provided with mounting holes for locking and fixing the carrier.
6. The terminal bending device according to claim 1, characterized in that: The bottom of the carrier is provided with a sliding groove that mates with the carrier entry rail. The sliding groove and the rail slide together. The carrier is provided with holes that mate with the mounting holes on the carrier entry rail. The carrier is provided with a feeding platform and a bending platform for placing terminals. The angle and size of the feeding platform and the bending platform are designed according to the terminal product. The carrier is also provided with a positioning groove that mates with the rotary bending mechanism.