Quick replacement device for tightening tool

By designing a detachable fixed base and mounting base, along with a slide, slider, locking handle, and locking block, the problem of frequent tool switching in multi-model production is solved, enabling quick replacement and precise positioning, and improving production efficiency.

CN223776495UActive Publication Date: 2026-01-09CHONGQING JINKANG NEW ENERGY VEHICLE CO LTD
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Patent Information

Application Number
CN202520141764.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-09
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

The existing screw tightening device needs to be frequently switched in the production of multiple models, resulting in poor positioning reliability of the fixing mechanism, which affects the production cycle and efficiency.

Method used

A quick-change device for tightening tools was designed. Through a detachable connection between the fixed base and the mounting base, it enables quick replacement and locking of tightening tools of different specifications. The device includes a matching structure of a slide, a slider, a locking handle, and a locking block to ensure installation accuracy.

Benefits of technology

It enables quick replacement of tightening tools of different specifications, reduces production debugging time, improves production efficiency, and avoids the impact of position changes on production operations.

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Abstract

The utility model discloses a quick replacing device for a tightening tool, which comprises a tightening tool fixing component, a tightening tool clamping component and a tightening tool clamping component, the installation locking assembly comprises an installation base used for being fixedly connected with the power output end of tool driving equipment, and the fixed base and the installation base are detachably connected and can be locked; according to the quick replacing device for the tightening tool, the fixing base and the mounting base are detachably and fixedly connected, so that when tightening tools of different specifications need to be used, mounting and switching of the tightening tools can be quickly completed, the production debugging time is shortened, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic assembly of parts, particularly relates to a quick replacement device for tightening tool. BACKGROUND

[0002] Industrial automation technology is widely used in various fields, and during the assembly of parts, automatic screw tightening technology is gradually replacing traditional manual tightening, effectively solving the problems of low efficiency and heavy workload during the assembly of parts. At present, screw tightening devices are widely used in the automobile, new energy and electronic communication industries, and most screw tightening devices are special tools for a certain type of screw and cannot adapt to screws of different specifications. During automobile production, automobile parts assembly often involves a variety of screws, and different screw tightening devices are required for different screws. In order to meet production needs, tightening tools are generally fixed by fixtures, and the fixtures are driven to approach the parts to be tightened, and then the tightening tool is driven to tighten the parts to be tightened during automobile assembly. However, during multi-model production, different specifications of special tightening devices need to be switched frequently, and due to the poor positioning reliability of the fixing mechanism of the tightening device, the installation position of the switched tightening device often changes, increasing the on-site debugging work and greatly affecting the production rhythm and work efficiency.

[0003] Therefore, there is an urgent need to develop a quick replacement device for tightening tool that can quickly replace tightening tools of different specifications during multi-model production, thereby improving production efficiency, reducing debugging time, facilitating quick replacement by production personnel, and reducing operation difficulty. SUMMARY

[0004] Therefore, there is an urgent need to develop a quick replacement device for tightening tool that can quickly replace tightening tools of different specifications during multi-model production, thereby improving production efficiency, reducing debugging time, facilitating quick replacement by production personnel, and reducing operation difficulty.

[0005] The quick replacement device for tightening tool of the utility model comprises:

[0006] The tightening tool fixing assembly is used for fixing the tightening tool and comprises a fixing base.

[0007] The installation locking assembly comprises an installation base and is used for fixedly connecting with the power output end of the tool driving device. The fixing base and the installation base are detachably connected and can be locked. Through the detachable connection of the fixing base and the installation base, different specifications of tightening tools can be replaced by replacing the fixing base. The fixing base can be provided with multiple specifications according to production needs to adapt to tightening tools of different specifications, thereby greatly improving the production rhythm.

[0008] Further, the fixed base is superimposedly mounted on the mounting base, and the fixed base is single-degree-of-freedom slidably matched with the mounting base and can be locked; the fixed base is superimposedly mounted on the mounting base and is single-degree-of-freedom slidably matched with the fixed base and can be locked, facilitating the installation of the fixed base and improving the installation accuracy of the fixed base.

[0009] Further, the mounting base is provided with a sliding groove, the fixed base is provided with a sliding block matched with the sliding groove, and the sliding block is single-degree-of-freedom slidably matched with the sliding groove and can be locked; through the cooperation of the sliding block and the sliding groove, the fixed base and the mounting base are facilitated to be matched and installed.

[0010] Further, the mounting and locking assembly further comprises a locking handle, a locking block and a connecting base, the locking handle is fixedly mounted on the connecting base through a connecting block, the connecting base is fixedly connected with the mounting base, the locking handle is detachably fixedly connected with the locking block, the locking handle can be operated to be pushed to drive the locking block to be clamped on the fixed base; through the cooperation of the locking handle and the locking block, the fixed base is locked and fixed, the overall structure is simple and convenient to operate.

[0011] Further, the mounting base is provided with a locking block sliding groove, the locking block sliding groove is arranged on one side of the sliding groove close to the locking handle, the locking block is arranged in the locking block sliding groove, and both ends of the locking block are provided with sliding parts matched with the locking block sliding groove, so that the locking block can slide along the locking block sliding groove under the driving of the locking handle; through the sliding connection of the locking block and the mounting base, the position of the locking block is facilitated to be adjusted.

[0012] Further, the groove wall of the one side of the sliding groove close to the locking handle is provided with a clearance, the locking block is provided with a locking part matched with the clearance, when the locking part passes through the clearance, the locking part constitutes part of the sliding groove and can limit the sliding block; through the setting of the locking part, the locking part can become part of the sliding groove, so as to cooperate with the sliding block and limit the fixed base.

[0013] Further, one end of the locking part close to the sliding block is formed with a connecting protrusion, the fixed base is provided with a connecting groove matched with the connecting protrusion, so that when the fixed base is installed on the mounting base, the connecting protrusion can be driven to be inserted into the connecting groove to limit the fixed base; the connecting protrusion and the connecting groove are matched to further limit and fix the fixed base.

[0014] Further, one end of the locking block away from the fixed base is provided with a connecting hole, the connecting hole is provided with an opening, the locking handle is provided with a connecting part matched with the connecting hole, the connecting part passes through the connecting hole and can be fixed;

[0015] Further, the fixing members are two, which are arranged on two sides of the connecting hole and are used for detachable fixed connection of the locking block and the locking handle.

[0016] Further, the tightening tool fixing assembly further comprises a tool mounting part, the tool mounting part comprises a fixed block I and a fixed block II, the fixed block I is fixed on the fixed base, and the fixed block II is detachably fixedly connected to the fixed block I and is used for mounting the tightening tool.

[0017] Further, the fixed block I and the fixed block II are respectively provided with a sink groove, when the fixed block II is fixedly connected to the fixed block I, the sink groove is used for forming a mounting hole for mounting the tightening tool, and in use, the tightening tool is clamped in the mounting hole.

[0018] The utility model discloses a quick replacement device for tightening tool, through the detachable fixed connection of fixed base and installation base, when needing to use different specifications of tightening tool, through replacing different specifications of fixed base, the installation switching of tightening tool can be quickly completed, reduces the production debugging time, promotes production efficiency, and the fixed base can be locked and fixed, the precision of installation and fixation is improved, the position of tightening tool is avoided from changing after replacing specifications relative to the position to be installed, and production operation is influenced. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further described below in combination with the drawings and examples:

[0020] Figure 1 It is the structure schematic drawing of quick replacement device for tightening tool of the utility model;

[0021] Figure 2 It is the structure schematic drawing of installing locking assembly;

[0022] Figure 3 It is the structure schematic drawing of locking block and locking handle cooperation;

[0023] Figure 4 It is the structure schematic drawing of locking block;

[0024] Figure 5 Structure diagram of the mounting base;

[0025] Figure 6 Structure diagram of the mounting base and the tool mounting portion;

[0026] In the above drawings, the following reference signs are used:

[0027] 1, tightening gun; 2, mounting locking assembly; 201, mounting base; 2011, sliding groove; 202, locking handle; 203, connecting block; 204, locking block; 2041, locking portion; 20411, connecting protrusion; 2042, connecting hole; 205, fixing member; 206, locking block sliding groove; 207, connecting base; 3, tightening tool fixing assembly; 301, fixing block II; 302, fixing base; 3021, sliding block; 303, fixing block I; 304, connecting groove. DETAILED DESCRIPTION

[0028] Figure 1 Structure diagram of the quick replacement device for the tightening tool of the utility model, Figure 2 Structure diagram of the mounting locking assembly, Figure 3 Structure diagram of the cooperation between the locking block and the locking handle, Figure 4 Structure diagram of the locking block, Figure 5 Structure diagram of the mounting base, Figure 6 Structure diagram of the mounting base and the tool mounting portion, as Figures 1-6 shown: the quick replacement device for the tightening tool of the embodiment, comprising:

[0029] The tightening tool fixing assembly 3 is used for fixing the tightening tool and comprises a fixing base 302; the tightening tool is a tightening gun 1, and the tightening tool fixing assembly 3 is used for fixing the tightening gun 1.

[0030] The mounting locking assembly 2 comprises a mounting base 201 and is used for fixedly connecting with the power output end of the tool driving device; the fixing base 302 is detachably connected with the mounting base 201 and can be locked; the mounting base 201 is mounted on the power output end of the tool driving device (i.e., can be mounted on production tooling such as a mechanical arm, a clamp, etc.), is close to the part to be tightened of the automobile through the power output end of the tool driving device, so as to drive the tightening tool to tighten, and the connecting mode of the fixing base 302 and the mounting base 201 can be that the fixing base 302 is overlapped on the mounting base 201 and is fixed through buckling or is fixed through magnetic attraction; through the detachable connection and the lockability of the fixing base 302 and the mounting base 201, different specifications of the tightening tool can be replaced, and the production debugging time is shortened.

[0031] In the prior art, in order to adapt to production requirements, the tightening tool is generally fixed in a tool fixed manner, and is driven to be close to a part to be tightened, and then the tightening tool is driven to tighten the part to be tightened in the automobile assembly process. However, when multiple vehicle models are produced, different specifications of special tightening devices need to be switched multiple times. Since the positioning reliability of the fixing mechanism of the tightening device is poor, the installation position of the switched tightening device often changes, which increases on-site debugging work and greatly affects production rhythm and work efficiency. The quick replacement device for the tightening tool of the utility model is detachably fixedly connected through the fixing base 302 and the mounting base 201, so that when different specifications of the tightening tool need to be used, the installation switching of the tightening tool can be quickly completed by replacing the fixing base 302 of different specifications, the production debugging time is reduced, the production efficiency is improved, and the fixing base 302 can be locked and fixed, so that the installation fixing precision is improved, the position of the tightening tool relative to the part to be installed changes after the specification is replaced, and the production operation is affected.

[0032] In the embodiment, the fixing base 302 is stacked and mounted on the mounting base 201, and the fixing base 302 is single-degree-of-freedom slidably matched with the mounting base 201 and can be locked. Figure 1 In the embodiment, the fixing base 302 is stacked and mounted on the mounting base 201, and the fixing base 302 is single-degree-of-freedom slidably matched with the mounting base 201 and can be locked.

[0033] In the embodiment, the mounting base 201 is provided with a sliding groove 2011, the fixing base 302 is provided with a sliding block 3021 matched with the sliding groove 2011, and the sliding block 3021 is single-degree-of-freedom slidably matched with the sliding groove 2011 and can be locked.

[0034] In the embodiment, the installation locking assembly further comprises a locking handle 202, a locking block 204 and a connecting base 207, the locking handle 202 is fixedly installed on the connecting base 207 through a connecting block 203, the connecting base 207 is fixedly connected with the installation base 201, the locking handle 202 is detachably fixedly connected with the locking block 204, the locking handle 202 can be pushed to drive the locking block 204 to be clamped on the fixed base 302; the connecting base 207 can be fixedly connected with the installation base 201 through bolts, a driving handle of the locking handle 202 is hinged with the locking handle 202, when the locking handle 202 needs to be pushed, the driving handle is swung clockwise to drive the locking handle 202 to move towards the fixed base 302 (at this time, the locking handle 202 and the driving handle form an L-shaped structure), when the initial position needs to be restored, the driving handle is counterclockwise rotated until the locking handle 202 and the driving handle are in the same plane, by arranging the locking block 204, the locking block 204 can be clamped on the fixed base 302, so that the fixed base 302 can be limited.

[0035] In the embodiment, the installation base 201 is provided with a locking block sliding groove 206, the locking block sliding groove 206 is arranged on one side of the sliding groove 2011 close to the locking handle 202, the locking block 204 is arranged in the locking block sliding groove 206, both ends of the locking block 204 are provided with sliding parts matched with the locking block sliding groove 206, so that the locking block 204 can slide along the locking block sliding groove 206 under the driving of the locking handle 202; the locking block 204 is arranged in the locking block sliding groove 206 and can slide along the locking block sliding groove 206, so that the locking block 204 can be clamped on the fixed base 302.

[0036] In the embodiment, the groove wall of one side of the sliding groove 2011 close to the locking handle 202 is provided with a gap, the locking block 204 is provided with a locking part 2041 matched with the gap, when the locking part 2041 passes through the gap, the locking part 2041 forms part of the sliding groove 2011 and can limit the sliding block 3021; the end of the locking part 2041 is a wedge-shaped structure, when the locking part 2041 passes through the gap and is located in the sliding groove 2011, the locking part 2041 can form part of the sliding groove 2011, so as to be matched with the sliding block 3021 to limit the sliding block 3021.

[0037] In the embodiment, the locking portion 2041 is formed with a connecting protrusion 20411 near one end of the sliding block 3021, and the fixing base 302 is provided with a connecting groove 304 matched with the connecting protrusion 20411, so that when the fixing base 302 is installed on the mounting base 201, the connecting protrusion 20411 can be driven to be inserted into the connecting groove 304 to limit the fixing base 302; the connecting protrusion 20411 is in a V-shaped structure, and the connecting groove 304 is formed on the sliding block 3021, so that in use, the connecting protrusion 20411 can be inserted into the connecting groove 304 to limit the fixing base 302.

[0038] In the embodiment, the locking block 204 is provided with a connecting hole 2042 away from one end of the fixing base 302, the connecting hole 2042 is provided with an opening, the locking handle 202 is provided with a connecting portion matched with the connecting hole 2042, the connecting portion passes through the connecting hole 2042 and can be fixed; the connecting portion is in a rod-shaped structure, and the connecting hole 2042 is open at one end of the groove bottom of the locking block sliding groove 206, so that in assembly, the connecting portion of the locking handle 202 is installed in the locking block 204 through the opening and is fixed through the fixing member 205, the fixing member 205 is two, which are respectively arranged on the two sides of the connecting hole 2042 (i.e. one is arranged in the locking block 204, and one is arranged outside the locking block 204), and the fixing member 205 is a nut;

[0039] The fixing member 205 is further included, the fixing member 205 is two, the two fixing members 205 are respectively arranged on the two sides of the connecting hole 2042, and are used for detachably fixing and connecting the locking block 204 and the locking handle 202; by arranging the fixing member 205, the locking block 204 and the locking handle 202 are detachably fixed and connected, so that the assembly and disassembly are facilitated.

[0040] In the embodiment, the tightening tool fixing assembly 3 further includes a tool mounting portion, the tool mounting portion includes a fixed block I 303 and a fixed block II 301, the fixed block I 303 is fixed on the fixing base 302, and the fixed block II 301 is detachably fixed and connected to the fixed block I 303 and is used for installing the tightening tool; the tool mounting portion can be multiple, preferably two, the fixed block I 303 is fixedly connected with the fixing base 302, and the fixed block II 301 is detachably fixed and connected with the fixed block I 303, so that the tightening tool is installed.

[0041] In the embodiment, the fixed block 1303 and the fixed block 1301 are respectively provided with a sink groove, when the fixed block 1301 is fixedly connected to the fixed block 1303, the sink groove is used to form a mounting hole for mounting the tightening tool, in use, the tightening tool is clamped in the mounting hole; the sink groove can be a semicircular sink groove or a rectangular sink groove, the shape of the mounting hole formed by the sink groove is adapted to the tightening tool, in assembly, the tightening tool is placed on the sink groove of the fixed block 1303, the fixed block 1301 is fixedly connected to the fixed block 1303 by a screw, and the sink groove on the fixed block 1301 is clamped on the tightening tool, so that the tightening tool is clamped, and the tightening tool is prevented from falling off.

[0042] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A quick change device for a tightening tool, characterized by: The utility model relates to a tightening tool fixing assembly for fixing a tightening tool, comprising a fixing base; The utility model relates to a mounting and locking assembly, comprising a mounting base for fixed connection with the power output end of a tool driving device, the fixing base being detachably connected with the mounting base and being lockable. The fixing base is stacked on the mounting base, and the fixing base is single-degree-of-freedom slidable with the mounting base and lockable.

2. The quick change device for a tightening tool according to claim 1, characterized by: The mounting base is provided with a sliding groove, and the fixing base is provided with a sliding block matched with the sliding groove, the sliding block being single-degree-of-freedom slidable with the sliding groove and lockable.

3. The quick change device for a tightening tool according to claim 2, characterized in that: The mounting and locking assembly further comprises a locking handle, a locking block and a connecting base, the locking handle being fixedly installed on the connecting base through a connecting block, the connecting base being fixedly connected with the mounting base, the locking handle being detachably fixedly connected with the locking block, the locking handle being operable to push and thereby drive the locking block to be clamped on the fixing base.

4. The quick change device for a tightening tool according to claim 3, characterized by: The mounting base is provided with a locking block sliding groove, the locking block sliding groove being located on the side of the sliding groove close to the locking handle, the locking block being located in the locking block sliding groove, both ends of the locking block being provided with sliding parts matched with the locking block sliding groove, so that the locking block is slidable along the locking block sliding groove under the driving of the locking handle.

5. The quick change device for a tightening tool according to claim 4, characterized by: The groove wall of the side of the sliding groove close to the locking handle is provided with a clearance, and the locking block is provided with a locking part matched with the clearance, when the locking part passes through the clearance, the locking part constitutes part of the sliding groove and can limit the sliding block.

6. The quick change device for a tightening tool according to claim 5, characterized in that: The end of the locking part close to the sliding block is formed with a connecting protrusion, and the fixing base is provided with a connecting groove matched with the connecting protrusion, so that when the fixing base is installed on the mounting base, the connecting protrusion can be driven to be inserted into the connecting groove to limit the fixing base.

7. The quick change device for a tightening tool according to claim 6, characterized in that: The end of the locking block away from the fixing base is provided with a connecting hole, the connecting hole being provided with an opening, the locking handle being provided with a connecting part matched with the connecting hole, the connecting part passing through the connecting hole and being fixable; 8. The quick change device for a tightening tool according to claim 5, characterized by: The utility model further comprises two fixing members, the two fixing members being separately located on both sides of the connecting hole and being used to detachably fix the locking block with the locking handle. The tightening tool fixing assembly further comprises a tool mounting part, the tool mounting part comprising a fixed block I and a fixed block II, the fixed block I being fixed on the fixing base, the fixed block II being detachably fixedly connected with the fixed block I and being used to install the tightening tool.

9. The quick change device for a tightening tool according to claim 1, characterized by: The fixed block I and the fixed block II are respectively provided with recesses, when the fixed block II is fixedly connected with the fixed block I, the recesses are used to constitute an installation hole for installing the tightening tool, in use, the tightening tool is clamped in the installation hole.

10. The quick change device for a tightening tool according to claim 9, characterized by: ​