Clamp quick-changing device capable of achieving quick and stable switching
By designing a quick-change fixture device with a lifting mechanism, guide sliding, and limit buffer mechanism, the problem of slow and unstable welding fixture switching speed was solved, and fast and accurate fixture switching was achieved, meeting the automation and intelligent requirements of the new energy vehicle battery box production line.
Patent Information
- Application Number
- CN202423103675.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing technologies have slow and unstable switching speeds for welding fixtures, making it difficult to meet the automation, flexibility, and intelligence requirements of new energy vehicle battery box production lines.
A quick-change fixture device is designed, comprising a lifting mechanism, a guide sliding mechanism, a limit buffer mechanism, and a positioning component. The device uses a lifting cylinder to push a positioning pin to engage with the positioning bushing of the quick-change platform, and combines guide wheels and hydraulic buffers to achieve fast and accurate platform positioning and stable movement.
It enables rapid and stable switching of fixtures, improves welding efficiency, and ensures welding quality and the flexibility requirements of the production line.
Smart Images

Figure CN223603707U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of battery welding fixture, in particular to a kind of fixture quick-change device of switching fast and stable. BACKGROUND
[0002] At present, domestic new energy pure electric vehicle continues to increase, and the market space of new energy vehicle battery box expands rapidly. According to the development and production characteristics of battery pack, the production scale of new energy vehicle industry is an inevitable trend, and its production line must realize automation, flexibility, intelligence and integration. The battery box structure system is mainly composed of battery PACK upper cover, tray, various metal supports, end plate and bolt, which plays the role of supporting, resisting mechanical impact, mechanical vibration and environmental protection. The use of arc welding on the tray is very wide, and the overall solution of intelligent equipment and battery tray manufacturing is particularly important. Flexible welding production is realized, and the quick switching of welding fixture is particularly important, which needs to ensure the quick and stable switching of welding products to meet the production requirements. UTILITY MODEL CONTENT
[0003] In view of the problems in the prior art, the utility model provides a kind of fixture quick-change device of switching fast and stable. It aims to improve the switching speed of welding fixture while ensuring its stability and product quality.
[0004] To achieve the above purpose, the technical scheme adopted by the utility model is: a kind of fixture quick-change device of switching fast and stable, it includes device bottom plate and quick-change platform with trundle, the upper surface of the device bottom plate is symmetrically provided with jacking mechanism base, the front and rear ends of the jacking mechanism base are provided with several groups of jacking mechanism, the upper end of several groups of the jacking mechanism is matched with the quick-change platform through positioning assembly, the inner side of the jacking mechanism base and the quick-change platform are provided with guiding sliding mechanism, the end of the jacking mechanism base is also provided with limiting buffer mechanism, in the process of fixture quick switching, the quick-change platform is pushed to the upper end of the jacking mechanism, the jacking mechanism is raised and matched and installed with the quick-change platform through the positioning assembly.
[0005] Based on the above, in the process of fixture quick switching, the quick-change platform is pushed to the upper end of the jacking mechanism, the jacking mechanism is raised and matched and installed with the quick-change platform through the positioning assembly, the quick-change platform is quickly fixed, the purpose of quick switching welding workpiece is achieved, and the welding efficiency is improved. In the process of pushing the quick-change platform, the guiding sliding mechanism guides the quick-change platform, so that the quick-change platform is more stable and smooth in the process of moving, and the limiting buffer mechanism buffers and limits the quick-change platform, to prevent the quick-change platform from colliding with the components at the rear end of the device.
[0006] Further, the positioning assembly comprises a positioning pin arranged at the upper end of the jacking mechanism and a positioning bushing arranged at the lower end of the quick-change platform, the positioning pin and the positioning bushing are in clamping cooperation and the quick-change platform is fixed.
[0007] Based on the above, the positioning pin and the positioning bushing are in clamping cooperation, and the quick-change platform is quickly fixed.
[0008] Further, the guide sliding mechanism comprises a guide block installed at the front end of the jacking mechanism base, a sliding baffle arranged inside the jacking mechanism base, and a guide wheel set, the guide wheel set is fixedly installed at the lower end of the quick-change platform through a connecting plate, the guide wheel set comprises a guide wheel one and a guide wheel two, the guide wheel one is arranged at the side of the connecting plate and in contact with the sliding baffle, and the guide wheel two is arranged at the lower end of the connecting plate and in contact with the upper surface of the device bottom plate.
[0009] Based on the above, the guide sliding mechanism is used for motion guidance when the quick-change platform is quickly switched, so that the quick-change platform quickly and accurately enters the positioning position.
[0010] Further, the limiting and buffering mechanism comprises an oil pressure buffer and a connecting block, the oil pressure buffer is fixedly installed at the end of the jacking mechanism base through the connecting block, and the limiting and buffering mechanism is symmetrically arranged on the jacking mechanism base.
[0011] Based on the above, the oil pressure buffer is used for accurate guidance and limiting of the quick-change platform during quick switching.
[0012] Further, the jacking mechanism comprises a jacking cylinder and a connecting seat, the jacking cylinder is fixedly connected with the jacking mechanism base through the connecting seat.
[0013] Based on the above, the jacking cylinder pushes the positioning pin to rise, so that the positioning pin is quickly matched with the positioning bushing, and the quick-change platform is quickly and accurately fixed.
[0014] Further, the front end of the device bottom plate is further provided with two slopes.
[0015] Based on the above, when the quick-change platform is quickly switched, the guide wheel two passes through the slope to the device bottom plate, so that the quick-change platform moves more smoothly.
[0016] Further, the end of the jacking mechanism base is further provided with a switch box and an electromagnetic valve protection cover.
[0017] Based on the above, the switch box and the electromagnetic valve protection cover are used for controlling the rising and falling of the jacking mechanism.
[0018] In order to make the above features of the utility model and the purposes to be achieved more clearly, the utility model will be further described below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is the front view of the utility model;
[0020] Figure 2 is a structural schematic view of the jacking mechanism base;
[0021] Figure 3 is a structural schematic view of the quick-change platform;
[0022] Figure 4 is the Figure 2 enlarged view of part A in the middle;
[0023] Figure 5 is a structural schematic view of the jacking mechanism.
[0024] BRIEF DESCRIPTION OF DRAWINGS: 1 device bottom plate; 2 caster; 3 quick-change platform; 4 jacking mechanism base; 5 jacking mechanism; 6 positioning assembly; 7 guide sliding mechanism; 8 limit buffer mechanism; 9 positioning pin; 10 positioning bushing; 11 guide block; 12 sliding baffle; 13 guide wheel set; 14 connecting plate; 15 guide wheel one; 16 guide wheel two; 17 oil pressure buffer; 18 connecting block; 19 jacking air cylinder; 20 connecting seat; 21 slope; 22 switch box; 23 electromagnetic valve protection cover. DETAILED DESCRIPTION
[0025] As Figures 1 to 5 shown, a kind of switching fast stable clamp quick-change device, it includes device bottom plate 1 and quick-change platform 3 with caster 2, the upper surface of the device bottom plate 1 is symmetrically provided with jacking mechanism base 4, the front and rear ends of the jacking mechanism base 4 are provided with several groups of jacking mechanism 5, the upper end of several groups of the jacking mechanism 5 is all matched with the quick-change platform 3 by positioning assembly 6, the inner side of the jacking mechanism base 4 and the quick-change platform 3 are provided with guide sliding mechanism 7, the end of the jacking mechanism base 4 is also provided with limit buffer mechanism 8, switch box 22 and electromagnetic valve protection cover 23.The device bottom plate 1 is fastened to device installation on ground by anchor bolt and chemical expansion agent and locking nut.
[0026] In the process of quick switching of the clamp, the quick switching platform 3 is pushed to the upper end of the jacking mechanism 5, the jacking mechanism 5 is lifted and quickly matched and installed with the quick switching platform 3 through the positioning assembly 6, the quick fixing of the quick switching platform 3 is realized, the purpose of quickly switching the welding workpiece is achieved, and the welding efficiency is improved. In the process of pushing the quick switching platform 3, the guide sliding mechanism 7 guides the quick switching platform 3, so that the quick switching platform 3 is more stable and smooth during movement, and the limiting and buffering mechanism 8 buffers and limits the quick switching platform 3, so that the quick switching platform 3 and the rear-end components of the device are prevented from colliding.
[0027] Preferably, the positioning assembly 6 comprises a positioning pin 9 arranged at the upper end of the jacking mechanism 5 and a positioning bushing 10 arranged at the lower end of the quick switching platform 3, the positioning pin 9 is matched with the positioning bushing 10 to fix the quick switching platform 3. The positioning pin 9 and the positioning bushing 10 are matched to quickly fix the quick switching platform 3.
[0028] Preferably, the guide sliding mechanism 7 comprises a guide block 11 installed at the front end of the jacking mechanism base 4, a sliding baffle 12 arranged on the inner side of the jacking mechanism base 4, and a guide wheel set 13, the outer surface of the guide block 11 is arc-shaped, the guide wheel set 13 is fixedly installed at the lower end of the quick switching platform 3 through a connecting plate 14, the guide wheel set 13 comprises a guide wheel one 15 and a guide wheel two 16, the guide wheel one 15 is arranged at the side of the connecting plate 14 and is in contact with the sliding baffle 12, the guide wheel two 16 is arranged at the lower end of the connecting plate 14 and is in contact with the upper surface of the device bottom plate 1. The guide sliding mechanism 7 is used for guiding the movement of the quick switching platform 3 during quick switching, so that the quick switching platform 3 quickly and accurately enters the positioning position.
[0029] Preferably, the limiting and buffering mechanism 8 comprises an oil pressure buffer 17 and a connecting block 18, the oil pressure buffer 17 is fixedly installed at the end of the jacking mechanism base 4 through the connecting block 18, and the limiting and buffering mechanism 8 is symmetrically arranged on the jacking mechanism base 4. The oil pressure buffer 17 is used for accurately guiding and limiting the quick switching of the quick switching platform 3.
[0030] Preferably, the jacking mechanism 5 comprises a jacking air cylinder 19 and a connecting seat 20, the jacking air cylinder 19 is fixedly matched with the jacking mechanism base 4 through the connecting seat 20. The jacking air cylinder 19 pushes the positioning pin 9 to rise, so that the positioning pin 9 is quickly matched with the positioning bushing 10, and the quick and accurate fixing of the quick switching platform 3 is realized.
[0031] Preferably, the front end of the device base plate 1 is also provided with two slopes 21. When the quick change platform 3 is quickly switched, the guide wheel two passes through the slopes 21 to the device base plate 1, so that the quick change platform 3 is more smooth in the moving process.
[0032] The specific implementation of the embodiment is that the device base plate 1 is fastened to the device installed on the ground through anchor bolts, chemical expansion agents and locking nuts. In the process of quickly switching the quick change platform 3, the quick change platform 3 is manually pushed, and is linearly moved to a designated position under the action of the casters 2 and the guide wheel set 13. The switch box 22 controls the jacking motor to rise and push the positioning pin 9 to cooperate with the positioning bushing 10, so that the quick change platform 3 is fixed, the purpose of quickly switching the welding workpiece is achieved. In the process of pushing the quick change platform 3, the guide block 11 with an arc guides the quick change platform 3, the guide wheel one 15 moves on the surface of the sliding baffle 12, and the guide wheel two 16 slides on the upper surface of the device base, so as to play an auxiliary stabilizing role, so that the quick change platform 3 is more stable and smooth in the moving process. At the same time, the limiting and buffering mechanism 8 buffers and limits the quick change platform 3, so that the quick change platform 3 and the components at the rear end of the device are prevented from colliding.
[0033] The above is only the optimal solution embodiment of the utility model, and is not used to limit the utility model. Various modifications or replacements of the utility model made by those skilled in the art without departing from the essence and protection scope of the utility model should be within the protection scope of the utility model.
Claims
1. A quick-change device for a fixture quick-change system for switching fast stabilization, comprising a device base plate (1) and a quick-change platform (3) with casters (2), characterized in that, The upper surface of the device base plate (1) is symmetrically provided with a jacking mechanism base (4), the front and rear ends of the jacking mechanism base (4) are provided with several groups of jacking mechanisms (5), the upper ends of the several groups of jacking mechanisms (5) are matched with the quick change platform (3) through a positioning assembly (6), a guide sliding mechanism (7) is arranged between the inner side of the jacking mechanism base (4) and the quick change platform (3), and a limiting buffer mechanism (8) is further arranged at the end of the jacking mechanism base (4). During the quick switching of the clamp, the quick change platform (3) is pushed to the upper end of the jacking mechanism (5), the jacking mechanism (5) is lifted and quickly matched and installed with the quick change platform (3) through the positioning assembly (6).
2. The quick-change fixture of claim 1, wherein: The positioning assembly (6) comprises a positioning pin (9) arranged at the upper end of the jacking mechanism (5) and a positioning bushing (10) arranged at the lower end of the quick change platform (3), and the positioning pin (9) and the positioning bushing (10) are clamped and matched to fix the quick change platform (3).
3. The quick-change fixture of claim 1, wherein: The guide sliding mechanism (7) comprises a guide block (11) mounted at the front end of the jacking mechanism base (4), a sliding baffle (12) arranged on the inner side of the jacking mechanism base (4), and a guide wheel set (13), the guide wheel set (13) is fixedly installed at the lower end of the quick change platform (3) through a connecting plate (14), the guide wheel set (13) comprises a guide wheel one (15) and a guide wheel two (16), the guide wheel one (15) is arranged at the side of the connecting plate (14) and is in contact with the sliding baffle (12), and the guide wheel two (16) is arranged at the lower end of the connecting plate (14) and is in contact with the upper surface of the device base plate (1).
4. The quick-change fixture of claim 1, wherein: The limiting buffer mechanism (8) comprises an oil pressure buffer (17) and a connecting block (18), the oil pressure buffer (17) is fixedly installed at the end of the jacking mechanism base (4) through the connecting block (18), and the limiting buffer mechanism (8) is symmetrically arranged on the jacking mechanism base (4).
5. The quick-change fixture of claim 1, wherein: The jacking mechanism (5) comprises a jacking cylinder (19) and a connecting seat (20), and the jacking cylinder (19) is fixedly matched with the jacking mechanism base (4) through the connecting seat (20).
6. The quick-change fixture of claim 1, wherein: The front end of the device base plate (1) is further provided with two slopes (21).
7. The quick stabilizing fixture quick change device of claim 1, wherein: The end of the jacking mechanism base (4) is further provided with a switch box (22) and an electromagnetic valve protection cover (23).