Quick switching movable welding fixture

By designing a quick-change movable welding fixture, and utilizing a worm gear drive and an automatic power-on/off plug-slot structure, the problem of cumbersome and laborious fixture replacement is solved, thus improving the convenience and safety of fixture replacement.

CN119216941BActive Publication Date: 2025-11-28ANHUI YUEZHONG AUTO BODY EQUIP
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Patent Information

Application Number
CN202411444084.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-11-28
Estimated Expiration
2044-10-16

AI Technical Summary

Technical Problem

The existing fixtures are difficult and laborious to replace, lack auxiliary tools, which affects operational efficiency and may threaten safety.

Method used

A quick-change movable welding fixture was designed, which realizes the rotation switching of the fixture body through worm gear transmission. Combined with a sliding snap-fit ​​and automatic power-on and power-off plug-slot structure, along with an electric cylinder and pulley structure, the fixture's disassembly and assembly and power management are simplified.

Benefits of technology

It improves the convenience and safety of fixture replacement, simplifies the fixture assembly and disassembly process, reduces the workload of operators, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN119216941B_ABST
    Figure CN119216941B_ABST
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Abstract

The application is suitable for the technical field of clamps, and provides a movable welding clamp with quick switching, comprising a bottom plate; a support is installed on the surface of the bottom plate; a limiting sleeve is rotationally installed on the top of the support; and a connector is rotationally installed on the inner side of the limiting sleeve. The movable welding clamp with quick switching is provided by the application, six different models of clamp bodies are installed on the connecting frame, and the suitable clamp body can be rotated to a horizontal placement state for use according to the welding workpiece. The device uses the rotating mode to switch and use the clamp body, and the step of disassembling the clamp body is omitted, thereby effectively improving the convenience of replacing the clamp body. The clamp body realizes power on and off through plugging and unplugging between the plug and the socket. Through this setting, the power can be automatically turned on and off when the clamp body is switched, thereby further improving the convenience of switching the clamp body.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of clamps, and particularly relates to a movable welding clamp capable of quick switching. BACKGROUND

[0002] Automobile parts are various units constituting the whole automobile and a kind of product serving the automobile. The automobile parts are various in type and different in use. The automobile parts play different functions in automobile assembly. The automobile parts need to be fixed by using a clamp during processing to ensure the accuracy of workpiece processing.

[0003] However, the clamps used at present lack auxiliary replacement tools, which brings a great work burden to the operators and seriously reduces the work efficiency, and even threatens the safety of the operators. SUMMARY

[0004] The present application provides a movable welding clamp capable of quick switching, and aims to solve the problem that the clamp lacks auxiliary replacement tools and is troublesome and laborious to disassemble and replace.

[0005] The present application is implemented as follows: a movable welding clamp capable of quick switching comprises a bottom plate, a support is installed on the surface of the bottom plate, a limiting sleeve is rotationally installed on the top of the support, a connecting shaft is rotationally installed on the inner side of the limiting sleeve, a connecting disc is installed at the shaft end of the connecting shaft, a connecting frame is installed on the side of the connecting disc, the connecting frame is provided with six groups, the six groups of connecting frames are distributed in a circumferential array on the surface of the connecting disc, a fixing plate is installed on the end of the connecting frame away from the connecting disc, an installation frame is installed on the side of the fixing plate away from the connecting frame, a clamp body is installed on the upper end of the installation frame, the support and the limiting sleeve are both provided with two groups, the connecting shaft is provided with a connecting disc at both ends, a worm gear is sleeved on the outer side of the connecting shaft, a worm is rotationally installed on the side of the support and engaged with the worm gear, a motor is installed on the side of the support, the output shaft of the motor is connected with the rod end of the worm, a controller is installed between the two groups of supports, and the controller is electrically connected with the motor.

[0006] Preferably, the lower end of the clamp body is connected with a clamping plate, the mounting frame is provided with two groups and is inverted L-shaped, the clamping plate is embedded between the two groups of mounting frames, the clamping plate is slidably clamped from the front side of the mounting frame, the bottom of the fixed plate is provided with a fixed frame, the inner side of the fixed frame is slidably provided with a pull rod, the inner end of the pull rod is connected with a pin shaft, the outer side of the pull rod is sleeved with a first spring, the bottom of the clamping plate is provided with a clamping groove matched with the pin shaft, and the pin shaft penetrates the surface of the fixed plate and is inserted into the bottom of the clamping plate.

[0007] Preferably, the upper and lower surfaces of the clamping plate are both rotatably provided with pulleys, the pulleys are provided with four groups, and the four groups of pulleys are distributed around the clamping plate.

[0008] Preferably, the bottom of the clamp body is provided with a fixed tube, the inside of the fixed tube is inserted with an electric wire, and the bottom of the fixed tube is provided with a plug, the front sides of the clamping plate, the fixed plate and the connecting frame are all provided with a placing groove matched with the fixed tube, the top side of the support is provided with a fixed frame, the upper end of the fixed frame is provided with a plug-in groove, and the plug-in groove and the plug are slidably connected.

[0009] Preferably, a groove is formed in the inside of the plug, and two groups of spacers are mounted in the groove, the two groups of spacers are connected through a second spring, the second spring can conduct electricity, one side of one group of the spacers is connected with a conductive block, and the inside of the plug-in groove is provided with a conductive plate.

[0010] Preferably, one side of the conductive block is provided as an inclined surface, and the inner wall of the plug-in groove is provided as an inclined groove.

[0011] Preferably, the top of the support is provided with two groups of electric cylinders, the output shaft of the electric cylinder is provided at the top with an operation table, and the operation table is located between the clamps.

[0012] Preferably, the top of the clamp body is provided with a top plate, and the upper surface of the top plate is provided with a ball.

[0013] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0014] 1. The device is provided with six different types of clamp bodies mounted on the connecting frame, and the appropriate clamp body can be used by being rotated to a horizontal placement state according to the welding workpiece. The device uses the rotating mode to switch the clamp body, thereby omitting the step of disassembling the clamp body, effectively improving the convenience of replacing the clamp body, and realizing the on-off of the clamp body through the plug and the plug-in groove. Through the above setting, the power can be automatically turned on and off when the clamp body is switched, thereby further improving the convenience of switching the clamp body.

[0015] 2、By setting up the card plate, the card plate is installed between the two groups of mounting frames by sliding clamping and is fixed by pin shaft limiting, when the clamp needs to be disassembled and repaired due to failure, the pin shaft can be pulled out of the clamping groove of the card plate by pulling the pull rod, and then the clamp body can be horizontally pulled to separate from the two groups of mounting frames, so that the clamp body can be disassembled and repaired more simply and quickly, and the electric cylinder can push the operation table to rise and fall, so that the lifting adjustment of the operation table is realized, and the operation table is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is the three-dimensional structure schematic diagram of the present application;

[0017] Fig. 2 is the front view cross-sectional structure schematic diagram of the present application;

[0018] Fig. 3 is the side view structure schematic diagram of the present application;

[0019] Fig. 4 is the left view cross-sectional structure schematic diagram of the mounting frame of the present application;

[0020] Fig. 5 is the right view cross-sectional structure schematic diagram of the mounting frame of the present application;

[0021] Fig. 6 is the plug top view cross-sectional structure schematic diagram of the present application;

[0022] In the figure: 1, bottom plate; 2, support; 3, limiting sleeve; 4, connecting shaft; 5, connecting disc; 6, connecting frame; 7, fixed plate; 8, mounting frame; 9, clamp body; 10, worm gear; 11, worm; 12, motor; 13, controller; 14, card plate; 15, fixed frame; 16, pull rod; 17, pin shaft; 18, first spring; 19, pulley; 20, fixed tube; 21, plug; 22, fixed frame; 23, plug slot; 24, gasket; 25, second spring; 26, conductive block; 27, conductive plate; 28, electric cylinder; 29, operation table; 30, top plate; 31, ball. DETAILED DESCRIPTION

[0023] 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 in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above abstract are intended to cover any and all adaptations or variations of the present application; the terms "including", "containing", "comprising", "having" and any variations thereof are intended to cover a non-exclusive inclusion; the terms "first", "second", and the like used in the description and claims of this application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0025] The embodiment of the application provides a movable welding clamp capable of quick switching, which comprises a base plate 1, a support 2 is arranged on the surface of the base plate 1, a limiting sleeve 3 is rotatably arranged at the top of the support 2, a connecting shaft 4 is rotatably arranged on the inner side of the limiting sleeve 3, a connecting disc 5 is arranged at the shaft end of the connecting shaft 4, a connecting frame 6 is arranged on the side of the connecting disc 5, six groups of the connecting frames 6 are arranged on the surface of the connecting disc 5 in a circumferential array, a fixing plate 7 is arranged at the end, away from the connecting disc 5, of the connecting frame 6, a mounting frame 8 is arranged on the side, away from the connecting frame 6, of the fixing plate 7, a clamp body 9 is arranged at the upper end of the mounting frame 8, the support 2 and the limiting sleeve 3 are both provided with two groups, the connecting disc 5 is arranged at the two ends of the connecting shaft 4, a worm wheel 10 is sleeved on the outer side of the connecting shaft 4, a worm 11 meshing with the worm wheel 10 is rotatably arranged on the side of the support 2, a motor 12 is arranged on the side of the support 2, the output shaft of the motor 12 is connected with the rod end of the worm 11, a controller 13 is arranged between the two groups of supports 2, and the controller 13 is electrically connected with the motor 12. Figs. 1-4 The device is used for installing six clamp bodies 9 of different models on the connecting frames 6, when it is necessary to replace the clamp body 9, the motor 12 is started through the controller 13 first, the worm 11 is driven to rotate by the motor 12, the connecting shaft 4 is driven to rotate under the action of the threads on the surface of the worm 11, the single rotation angle of the connecting shaft 4 is 60 degrees, at this moment, the connecting disc 5 drives the connecting frame 6 to rotate, and the suitable clamp body 9 is rotated to a horizontal placement state for use according to the welding workpiece, the device is used for switching and using the clamp body 9 in a rotating mode, the step of disassembling and assembling the clamp body 9 is omitted, and therefore the convenience of replacing the clamp body 9 is effectively improved.

[0026] The lower end of the clamp body 9 is connected with a clamping plate 14, the mounting frame 8 is provided with two groups and is in inverted L shape, the clamping plate 14 is embedded between the two groups of mounting frames 8, the clamping plate 14 is slidably clamped from the front side of the mounting frame 8, the bottom of the fixed plate 7 is provided with a fixed frame 15, the inner side of the fixed frame 15 is slidably provided with a pull rod 16, the inner end of the pull rod 16 is connected with a pin shaft 17, the outer side of the pull rod 16 is sleeved with a first spring 18, the bottom of the clamping plate 14 is provided with a clamping groove matched with the pin shaft 17, the pin shaft 17 penetrates the surface of the fixed plate 7 and is inserted into the bottom of the clamping plate 14, by arranging the clamping plate 14, the clamping plate 14 is installed between the two groups of mounting frames 8 in a sliding clamping manner and is limited and fixed by the pin shaft 17, when the clamp needs to be disassembled and repaired, the pin shaft 17 can be pulled out of the clamping groove of the clamping plate 14 by pulling the pull rod 16, and then the clamp body 9 can be horizontally pulled off the two groups of mounting frames 8 to be disassembled, so that the disassembly and repair of the clamp body 9 is more convenient and fast.

[0027] The upper and lower surfaces of the clamping plate 14 are rotatably provided with pulleys 19, the pulleys 19 are provided with four groups, the four groups of pulleys 19 are distributed around the clamping plate 14, by arranging the pulleys 19 on the upper and lower surfaces of the clamping plate 14, the pulleys 19 can change the sliding friction between the clamping plate 14 and the mounting frame 8 into rolling friction, so that the disassembly of the clamp body 9 is more labor-saving.

[0028] The bottom of the clamp body 9 is provided with a fixed tube 20, the inside of the fixed tube 20 is inserted with an electric wire and the bottom is provided with a plug 21, the front sides of the clamping plate 14, the fixed plate 7 and the connecting frame 6 are provided with placing grooves matched with the fixed tube 20, the top side of the support 2 is provided with a fixed frame 22, the upper end of the fixed frame 22 is provided with a plug groove 23, the plug groove 23 and the plug 21 are in sliding insertion, by arranging the fixed tube 20, the fixed tube 20 can bundle the wire and limit the plug 21 inside the connecting frame 6, so that the on-off connection between the plug 21 and the plug groove 23 can be realized.

[0029] The inside of the plug 21 is provided with a groove, and two groups of gaskets 24 are arranged in the groove, the two groups of gaskets 24 are connected by a second spring 25, the second spring 25 can conduct electricity, one side of one group of gaskets 24 is connected with a conductive block 26, the inside of the plug groove 23 is provided with a conductive plate 27, by arranging the plug 21 and the plug groove 23, the plug 21 is located inside the connecting frame 6, when the connecting frame 6 rotates to switch the clamp body 9, the plug 21 of the clamp body 9 to be used will be separated from the plug groove 23, and the plug 21 of the clamp body 9 to be used is inserted into the plug groove 23, by this arrangement, the power can be automatically turned on and off when the clamp body 9 is switched, so as to further improve the convenience of switching the clamp body 9.

[0030] The side of the conductive block 26 is provided as an inclined surface, the inner wall of the slot 23 is provided as an inclined groove, by providing the two sides of the conductive block 26 as inclined surfaces, the plug 21 and the slot 23 are in contact through the conductive block 26 and the conductive plate 27 to conduct electricity, when the connecting frame 6 rotates, the side wall of the slot 23 will generate pressure on the conductive block 26, the pressure will make the conductive block 26 retract into the plug 21, thereby realizing power-off.

[0031] The top of the support 2 is provided with two groups of electric cylinders 28, the output shaft of the electric cylinder 28 is provided with an operating table 29 at the top, the operating table 29 is located between the clamping bodies 9, by providing the electric cylinder 28, the electric cylinder 28 can push the operating table 29 to rise and fall, so as to realize the lifting adjustment of the operating table 29, through this setting, the operating table 29 can be used more conveniently.

[0032] The top of the clamping body 9 is provided with a top plate 30, the upper surface of the top plate 30 is provided with a ball 31, by providing the top plate 30, when the clamping body 9 is disassembled, the clamping body 9 can be inverted, and the clamping body 9 is moved by sliding on the ball 31 on the surface of the top plate 30, so that the replacement of the clamping body 9 is more labor-saving.

[0033] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited to the action sequence described, because according to the present application, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0034] In several embodiments provided in the present application, it should be understood that the disclosed device can be implemented by other ways. For example, the device embodiments described above are only schematic, for example, the division of the above units can have another division manner in actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or communication connection between the units or components shown or discussed can be indirect coupling or communication connection through some interfaces, indirect coupling or communication connection between devices or units can be electrical or other forms.

[0035] The units described as separate parts above can or can not be physically separate, and the parts shown as units can or can not be physical units, i.e., can be located in one place, or can be distributed to multiple network units. Part or all of the units can be selected to achieve the purpose of the embodiment scheme according to actual needs. The above embodiments are only used to illustrate the technical solutions of the present application, and do not limit the protection scope of the application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the present application. Although the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still combine, add or subtract or make other adjustments to the features of the embodiments of the present application according to the circumstances without conflict and without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of protection of the present application.

Claims

1. A quick-change movable welding fixture, characterized in that, Includes a base plate (1): A bracket (2) is mounted on the surface of the base plate (1). A limiting sleeve (3) is rotatably mounted on the top of the bracket (2). A connecting shaft (4) is rotatably mounted on the inner side of the limiting sleeve (3). A connecting plate (5) is mounted at the shaft end of the connecting shaft (4). A connecting frame (6) is mounted on the side of the connecting plate (5). There are six sets of connecting frames (6). The six sets of connecting frames (6) are distributed in a circumferential array on the surface of the connecting plate (5). A fixing plate (7) is mounted on the end of the connecting frame (6) away from the connecting plate (5). An mounting frame (8) is mounted on the side of the fixing plate (7) away from the connecting frame (6). A clamp body (9) is mounted on the upper end of the mounting frame (8). There are two sets of brackets (2) and limiting sleeves (3). A connecting plate (5) is mounted on both ends of the connecting shaft (4). A worm gear (10) is fixedly sleeved on the outer side of the connecting shaft (4). The bracket (2) A worm (11) that meshes with a worm wheel (10) is rotatably mounted on the side of the bracket (2). A motor (12) is mounted on the side of the bracket (2). The output shaft of the motor (12) is connected to the rod end of the worm (11). A controller (13) is installed between the two sets of brackets (2). The controller (13) is electrically connected to the motor (12). The bottom of the clamp body (9) is equipped with a fixing tube (20), the inside of the fixing tube (20) is filled with wires and the bottom is equipped with a plug (21), the top side of the bracket (2) is equipped with a fixing frame (22), the upper end of the fixing frame (22) is equipped with a slot (23), and the slot (23) and the plug (21) are slidably connected. The plug (21) has a groove inside, and two sets of pads (24) are installed in the groove. The two sets of pads (24) are connected by a second spring (25), which is conductive. A conductive block (26) is connected to the side of one set of pads (24), and a conductive plate (27) is installed on the inside of the slot (23).

2. The quick-change movable welding fixture as described in claim 1, characterized in that, The lower end of the clamp body (9) is connected to a clamping plate (14). The mounting frame (8) is provided in two sets and is inverted L shape. The clamping plate (14) is embedded between the two sets of mounting frames (8). The clamping plate (14) slides into the front side of the mounting frame (8). The bottom of the fixing plate (7) is equipped with a fixing frame (15). A pull rod (16) is slidably installed on the inner side of the fixing frame (15). The inner end of the pull rod (16) is connected to a pin (17). The outer side of the pull rod (16) is sleeved with a first spring (18). The bottom of the clamping plate (14) is provided with a slot that matches the pin (17). The pin (17) passes through the surface of the fixing plate (7) and is inserted into the bottom of the clamping plate (14).

3. The quick-change movable welding fixture as described in claim 2, characterized in that, The upper and lower surfaces of the card plate (14) are rotatably equipped with pulleys (19), and there are four sets of pulleys (19) distributed around the card plate (14).

4. The quick-change movable welding fixture as described in claim 2, characterized in that, The front sides of the card plate (14), the fixing plate (7) and the connecting frame (6) are all provided with placement slots that are compatible with the fixing tube (20).

5. A quick-change movable welding fixture as described in claim 4, characterized in that, The side of the conductive block (26) is set as an inclined surface, and the inner wall of the slot (23) is opened as an inclined groove.

6. A quick-change movable welding fixture as described in claim 1, characterized in that, Two sets of electric cylinders (28) are installed on the top of the bracket (2), and an operating table (29) is installed on the top of the output shaft of the electric cylinder (28). The operating table (29) is located between the fixture body (9).

7. A quick-change movable welding fixture as described in claim 1, characterized in that, A top plate (30) is mounted on the top of the fixture body (9), and a ball bearing (31) is mounted on the upper surface of the top plate (30).

Citation Information

Patent Citations

  • Rotary material changing device for automatic machining

    CN210260217U

  • Quick change device for welding fixture of welding robot workstation

    CN214602811U