Welding fixture with centering and resetting functions

Abstract

A centering and resetting welding clamp comprises a mounting plate, a resetting and centering assembly and a clamping assembly. The reset centering assembly and the clamping assembly are arranged on the mounting plate, the clamping assembly is movably mounted on the mounting plate in the horizontal direction, the reset centering assembly comprises two elastic sub-assemblies, and the two elastic sub-assemblies are arranged on a first convex part and a second convex part in a bilateral symmetry mode; one end of one elastic sub-assembly is connected with one second convex part, one end of the other elastic sub-assembly is connected with the other second convex part, and the other ends of the two elastic sub-assemblies are both connected with the first convex part. The two elastic sub-assemblies pull the centered and reset welding clamp back to the preset position under the characteristics of the elastic sub-assemblies, automatic resetting and centering are achieved, and the problems that an existing welding clamp deviates in position, manual adjustment and correction are needed, and the production efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding process equipment, in particular to a centering and resetting welding fixture. Background Art

[0002] The welding fixture is a kind of process equipment used to clamp and position the weldment during the welding production process to obtain the correct position and prevent the weldment from deformation during welding. In the argon arc welding process, the main function of the welding fixture is to ensure the accuracy and stability of the welding position and prevent possible deformation during the welding process.

[0003] At present, when the workpiece is placed on the welding fixture, position deviation may occur, requiring the operator to adjust and correct it, which reduces production efficiency and leads to problems such as reduced welding quality, equipment damage and safety hazards. Utility Model Content

[0004] The utility model aims to provide a centering and resetting welding fixture to solve the problems raised in the above background technology.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A centering and resetting welding fixture comprises a mounting plate, a resetting and centering component and a clamping component;

[0007] The reset centering component and the clamping component are arranged on the mounting plate in a vertical direction relative to each other. The clamping component is movably mounted on the mounting plate in a horizontal direction. A first convex portion is provided at the top center of the clamping component. The clamping component is used to clamp the workpiece to be processed.

[0008] The reset centering component includes a fixing portion and two elastic sub-components, the fixing portion is fixedly mounted on the mounting plate, the fixing portion is provided with two left-right symmetrical second convex portions with the first convex portion as the symmetry center, one end of one of the elastic sub-components is connected to one of the second convex portions, one end of the other of the elastic sub-components is connected to the other of the second convex portions, and the other ends of the two elastic sub-components are both connected to the first convex portion;

[0009] The two elastic sub-assemblies provide elastic force to pull the clamping assembly back to its original position.

[0010] Further, the clamping assembly includes a clamping portion, the clamping portion is located at an outer edge of the clamping assembly, and the clamping portion is used to perform a clamping operation;

[0011] A cooling channel is provided inside the clamping part. A water inlet and a water outlet are opened on the outer wall of the clamping part. The cooling channel is used to reduce the temperature of the clamping part.

[0012] Furthermore, it also includes a flexible bending tube, the clamping part includes a first clamping part and a second clamping part, the first clamping part is provided with a first water inlet and a first water outlet, and the second clamping part is provided with a second water inlet and a second water outlet;

[0013] The first water inlet is used to introduce cooling water, the flexible curved tube is arranged between the first clamping part and the second clamping part, the two ends of the flexible curved tube are respectively connected to the first water outlet and the second water inlet, and the second water outlet is used to flow out cooling water.

[0014] Furthermore, it also includes a slide rail and a slider, the slide rail is arranged between the mounting plate and the clamping assembly, the slide rail is horizontally installed on the mounting plate, the slider is horizontally installed on the clamping assembly, and the slider is slidably installed in cooperation with the slide rail.

[0015] Furthermore, the mounting plate is provided with a first groove and a second groove, the first groove and the second groove are arranged vertically opposite to each other, and the length direction of the first groove and the second groove extends along the width direction of the mounting plate, the length of the first groove and the second groove is the same as the width of the mounting plate, the first groove is used to install the fixing part, and the second groove is used to install the slide rail.

[0016] Furthermore, the first protrusion and the second protrusion are screws, and the fixing portion and the clamping assembly are respectively provided with threaded holes, the threaded holes are used to install the screws, and the depth of the threaded holes is less than the length of the screws.

[0017] Furthermore, the fixing part is composed of two L-shaped metal parts, the long sides of the L-shaped metal parts are parallel to the front plate surface of the mounting plate, the short sides of the L-shaped metal parts are parallel to the two sides of the mounting plate, and the long sides and short sides of the L-shaped metal parts are provided with a plurality of mounting holes, the mounting holes are used to install locking parts, and the locking parts are used to lock the mounting plate and the L-shaped metal parts.

[0018] Furthermore, the clamping assembly also includes a driving member and a transmission member, one side of the driving member is fixedly connected to the slider, and the transmission member is installed on the other side of the driving member, the driving member is used to provide power for the clamping assembly to clamp the workpiece to be processed, and the transmission member is used to transmit the power generated by the driving member.

[0019] Further, the driving member is provided with a third groove and a third convex portion, the third convex portion is provided at a middle position of a side of the driving member adjacent to the transmission member, the third convex portion protrudes from the surface of the driving member, and the third groove is symmetrically distributed on the upper side and the lower side of the third convex portion;

[0020] The transmission member is provided with a fourth groove and a fourth convex portion, wherein the fourth groove is provided at a middle position of a side of the transmission member adjacent to the driving member, and the fourth convex portion is symmetrically distributed on the upper side and the lower side of the fourth groove;

[0021] The third groove is used to install the fourth protrusion, and the fourth groove is used to install the third protrusion.

[0022] Compared with the prior art, the technical solution provided by the utility model can include the following beneficial effects:

[0023] The present application provides a reset centering component and a clamping component on a mounting plate, wherein the clamping component is movably mounted on the mounting plate in a horizontal direction, and the reset centering component includes two elastic sub-components, which are symmetrically arranged on a first protrusion and a second protrusion, one end of one elastic sub-component is connected to one second protrusion, one end of the other elastic sub-component is connected to the other second protrusion, and the other ends of the two elastic sub-components are connected to the first protrusion. When the position of the workpiece clamped by the centering and resetting welding fixture is offset, the two elastic sub-components, due to their own characteristics, pull the centering and resetting welding fixture back to a preset position, thereby achieving automatic reset and centering, thereby solving the problem of position offset of the existing welding fixture, the need for manual adjustment and correction, and low production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0025] Figure 2 It is a structural schematic diagram of an embodiment of the utility model;

[0026] Figure 3 It is an exploded view of an embodiment of the utility model;

[0027] Figure 4 yes Figure 3 A partial enlarged view of the middle A area;

[0028] Figure 5 yes Figure 3 A partial enlarged view of the middle B area;

[0029] Among them: mounting plate 1, first groove 11, second groove 12, reset centering component 2, clamping component 3, first protrusion 31, clamping part 32, first clamping part 321, second clamping part 322, threaded hole 33, driving member 34, transmission member 35, fixing part 4, second protrusion 41, L-shaped metal part 42, mounting hole 43, locking member 44, elastic subassembly 45, water inlet 51, cooling channel 52, water outlet 53, first water inlet 511, first water outlet 531, second water inlet 512, second water outlet 532, flexible bending tube 6, slide rail 7, slider 71, third groove 81, third protrusion 82, fourth groove 83 and fourth protrusion 84. DETAILED DESCRIPTION

[0030] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0031] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0032] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0033] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0034] A preferred embodiment of the present application is as follows Figures 1 to 5As shown, a centering and resetting welding fixture comprises a mounting plate 1, a resetting and centering component 2 and a clamping component 3;

[0035] The resetting and centering component 2 and the clamping component 3 are arranged on the mounting plate 1 in a vertical direction relative to each other. The clamping component 3 is movably mounted on the mounting plate 1 in a horizontal direction. A first convex portion 31 is provided at the top center of the clamping component 3. The clamping component 3 is used to clamp the workpiece to be processed.

[0036] The reset centering component 2 includes a fixing portion 4 and two elastic sub-components 45. The fixing portion 4 is fixedly mounted on the mounting plate 1. The fixing portion 4 is provided with two left-right symmetrical second protrusions 41 with the first protrusion 31 as the symmetric center. One end of one elastic sub-component 45 is connected to one second protrusion 41, and one end of another elastic sub-component 45 is connected to another second protrusion 41. The other ends of the two elastic sub-components 45 are both connected to the first protrusion 31.

[0037] The two elastic sub-assemblies 45 provide elastic force to pull the clamping assembly 3 back to its original position.

[0038] Specifically, when the welding fixture clamps the workpiece to be processed, position displacement may occur. The centering and resetting welding fixture has a resetting centering component 2 and a clamping component 3 that are relatively arranged above and below the mounting plate 1. The top center of the clamping component 3 is provided with a first protrusion 31, and second protrusions 41 are provided on both sides of the fixing portion 4 with the first protrusion 31 as the symmetric center. One end of an elastic subassembly 45 is connected to one of the second protrusions 41, and one end of another elastic subassembly 45 is connected to another of the second protrusions 41. The other ends of the two elastic subassemblies 45 are both connected to the first protrusion 31, and the clamping component 3 can move horizontally on the mounting plate 1, and the horizontal direction is Figure 1 From the left and right direction, when the clamping assembly 3 is offset, the two horizontally symmetrically arranged elastic subassemblies 45 in the reset centering assembly 2 can provide elastic force to reset the clamping assembly 3 to the center and return to the preset position, so as to solve the problem that the welding fixture position is offset, manual adjustment and correction are required, and production efficiency is reduced. The elastic subassembly 45 is a tension spring.

[0039] In an optional embodiment, the clamping assembly 3 includes a clamping portion 32, the clamping portion 32 is located at the outer edge of the clamping assembly 3, and the clamping portion 32 is used to perform a clamping operation;

[0040] A cooling channel 52 is disposed inside the clamping portion 32 . A water inlet 51 and a water outlet 53 are opened on the outer wall of the clamping portion 32 . The cooling channel 52 is used to reduce the temperature of the clamping portion 32 .

[0041] Specifically, high temperature is generated during welding operation, which will cause the temperature of the clamping part 32 to rise. By setting the cooling channel 52, cooling water enters from the water inlet 51, flows through the cooling channel 52 and the water outlet 53 in sequence, and the temperature of the clamping part 32 is reduced and maintained by the circulating cooling water.

[0042] In an optional embodiment, a flexible bending tube 6 is further included, and the clamping portion 32 includes a first clamping portion 321 and a second clamping portion 322, the first clamping portion 321 is provided with a first water inlet 511 and a first water outlet 531, and the second clamping portion 322 is provided with a second water inlet 512 and a second water outlet 532;

[0043] The first water inlet 511 is used to introduce cooling water, the flexible curved tube 6 is arranged between the first clamping portion 321 and the second clamping portion 322, the two ends of the flexible curved tube 6 are respectively connected to the first water outlet 531 and the second water inlet 512, and the second water outlet 532 is used to flow out cooling water.

[0044] Specifically, the bending portion of the flexible bending tube 6 is set according to the range of motion of the first clamping portion 321 and the second clamping portion 322 to ensure that the flexible bending tube 6 can bend when the first clamping portion 321 and the second clamping portion 322 are close to or away from each other, so as to prevent the flexible bending tube 6 from being subjected to excessive tensile or compressive stress. In addition, after the cooling water enters from the first water inlet 511, it flows through the cooling channel 52, the first water outlet 531, the flexible bending tube 6, the second water inlet 512, the cooling channel 52 and the second water outlet 532 in sequence. This design is not only convenient for installation, but also simplifies control and effectively utilizes space.

[0045] In an optional embodiment, it also includes a slide rail 7 and a slider 71, wherein the slide rail 7 is arranged between the mounting plate 1 and the clamping assembly 3, the slide rail 7 is horizontally installed on the mounting plate 1, the slider 71 is horizontally installed on the clamping assembly 3, and the slider can be slidably installed in cooperation with the slide rail.

[0046] Specifically, by setting the slide rail 7 and the slider 71, the friction between the clamping assembly 3 and the mounting plate 1 is reduced. When the clamping assembly 3 is displaced, the reset and centering assembly 2 can rely on its own elastic force to reset and center the welding fixture.

[0047] In an optional embodiment, the mounting plate 1 is provided with a first groove 11 and a second groove 12, the first groove 11 and the second groove 12 are arranged vertically opposite to each other, and the length direction of the first groove 11 and the second groove 12 extends along the width direction of the mounting plate 1, the length of the first groove 11 and the second groove 12 is the same as the width of the mounting plate 1, the first groove 11 is used to install the fixing part 4, and the second groove 12 is used to install the slide rail 7.

[0048] Specifically, when the fixing portion 4 and the slide rail 7 are installed on the mounting plate 1 through the first groove 11 and the second groove 12, the connection stability between the fixing portion 4, the slide rail 7 and the mounting plate 1 can be improved, and the load-bearing capacity of the mounting plate 1 can also be enhanced.

[0049] In an optional embodiment, the first protrusion 31 and the second protrusion 41 are screws, and the fixing portion 4 and the clamping assembly 3 are respectively provided with threaded holes 33, the threaded holes 33 are used to install the screws, and the depth of the threaded holes 33 is less than the length of the screws.

[0050] Specifically, a combination of the threaded hole 33 and the screw is used as a fixing part for installing the elastic subassembly 45, and both ends of the elastic subassembly 45 are respectively sleeved on the screws, which not only provides sufficient connection strength but also facilitates installation and disassembly. Part of the length of the screw is exposed, which is convenient for sleeve installation of the elastic subassembly 45.

[0051] In an optional embodiment, the fixing portion 4 is composed of two L-shaped metal parts 42, the long sides of the L-shaped metal parts 42 are parallel to the front panel surface of the mounting plate 1, and the short sides of the L-shaped metal parts 42 are parallel to the two sides of the mounting plate 1. The long sides and short sides of the L-shaped metal parts 42 are provided with a plurality of mounting holes 43, and the mounting holes 43 are used to install locking parts 44, and the locking parts 44 are used to lock the mounting plate 1 with the L-shaped metal parts 42.

[0052] Specifically, the locking member 44 cooperates with the mounting hole 43 to fix the L-shaped metal member 42 on the mounting plate 1, which not only provides sufficient connection strength but also facilitates installation and disassembly. In addition, the L-shaped metal member 42 is a common L-shaped angle code and does not require additional processing.

[0053] In an optional embodiment, the clamping assembly 3 also includes a driving member 34 and a transmission member 35. One side of the driving member 34 is fixedly connected to the slider 71, and the transmission member 35 is installed on the other side of the driving member 34. The driving member 34 is used to provide power for the clamping assembly 3 to clamp the workpiece to be processed, and the transmission member 35 is used to transmit the power generated by the driving member 34.

[0054] Specifically, when the driving member 34 is in operation, the power generated is transmitted by the transmission member 35 and then converted into power for driving the clamping assembly 3 to clamp the workpiece to be processed. The driving member 34 is a linear drive motor.

[0055] In an optional embodiment, the driving member 34 is provided with a third groove 81 and a third convex portion 82, the third convex portion 82 is provided at a middle position of a side of the driving member 34 adjacent to the transmission member 35, the third convex portion 82 protrudes from the surface of the driving member 34, and the third groove 81 is symmetrically distributed on the upper side and the lower side of the third convex portion 82;

[0056] The transmission member 35 is provided with a fourth groove 83 and a fourth convex portion 84. The fourth groove 83 is provided at a middle position of a side of the transmission member 35 adjacent to the driving member 34. The fourth convex portion 84 is symmetrically distributed on the upper side and the lower side of the fourth groove 83.

[0057] The third groove 81 is used to mount the fourth protrusion 84 , and the fourth groove 83 is used to mount the third protrusion 82 .

[0058] Specifically, when the transmission member 35 is installed on the driving member 34, the third groove 81 and the fourth protrusion 84, and the fourth groove 83 and the third protrusion 82 are matched and installed, so that the transmission member 35 is embedded and installed in the driving member 34, and the two are fixed by a locking member. This installation method improves the stability of the connection between the two.

[0059] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A centering and resetting welding fixture, characterized in that: It includes a mounting plate, a reset centering assembly and a clamping assembly; The reset centering component and the clamping component are arranged on the mounting plate in a vertical direction relative to each other. The clamping component is movably mounted on the mounting plate in a horizontal direction. A first convex portion is provided at the top center of the clamping component. The clamping component is used to clamp the workpiece to be processed. The reset centering component includes a fixing portion and two elastic sub-components, the fixing portion is fixedly mounted on the mounting plate, the fixing portion is provided with two left-right symmetrical second convex portions with the first convex portion as the symmetry center, one end of one of the elastic sub-components is connected to one of the second convex portions, one end of the other of the elastic sub-components is connected to the other of the second convex portions, and the other ends of the two elastic sub-components are both connected to the first convex portion; The two elastic sub-assemblies provide elastic force to pull the clamping assembly back to its original position.

2. A centering and resetting welding fixture according to claim 1, characterized in that: The clamping assembly includes a clamping portion, the clamping portion is located at the outer edge of the clamping assembly, and the clamping portion is used to perform a clamping operation; A cooling channel is provided inside the clamping part. A water inlet and a water outlet are opened on the outer wall of the clamping part. The cooling channel is used to reduce the temperature of the clamping part.

3. A centering and resetting welding fixture according to claim 2, characterized in that: It also includes a flexible bending tube, the clamping part includes a first clamping part and a second clamping part, the first clamping part is provided with a first water inlet and a first water outlet, and the second clamping part is provided with a second water inlet and a second water outlet; The first water inlet is used to introduce cooling water, the flexible curved tube is arranged between the first clamping part and the second clamping part, the two ends of the flexible curved tube are respectively connected to the first water outlet and the second water inlet, and the second water outlet is used to flow out cooling water.

4. A centering and resetting welding fixture according to claim 1, characterized in that: It also includes a slide rail and a slider, wherein the slide rail is arranged between the mounting plate and the clamping assembly, the slide rail is horizontally mounted on the mounting plate, the slider is horizontally mounted on the clamping assembly, and the slider can be slidably mounted in cooperation with the slide rail.

5. A centering and resetting welding fixture according to claim 4, characterized in that: The mounting plate is provided with a first groove and a second groove, the first groove and the second groove are arranged vertically opposite to each other, and the length direction of the first groove and the second groove extends along the width direction of the mounting plate, the length of the first groove and the second groove is the same as the width of the mounting plate, the first groove is used to install the fixing part, and the second groove is used to install the slide rail.

6. The centering and resetting welding fixture according to claim 1, characterized in that: The first convex portion and the second convex portion are screws, and the fixing portion and the clamping assembly are respectively provided with threaded holes, the threaded holes are used to install the screws, and the depth of the threaded holes is less than the length of the screws.

7. The centering and resetting welding fixture according to claim 1, characterized in that: The fixing part is composed of two L-shaped metal parts, the long sides of the L-shaped metal parts are parallel to the front plate surface of the mounting plate, the short sides of the L-shaped metal parts are parallel to the two sides of the mounting plate, and the long sides and short sides of the L-shaped metal parts are provided with a plurality of mounting holes, the mounting holes are used to install locking parts, and the locking parts are used to lock the mounting plate and the L-shaped metal parts.

8. The centering and resetting welding fixture according to claim 4, characterized in that: The clamping assembly also includes a driving member and a transmission member. One side of the driving member is fixedly connected to the slider, and the transmission member is installed on the other side of the driving member. The driving member is used to provide power for the clamping assembly to clamp the workpiece to be processed, and the transmission member is used to transmit the power generated by the driving member.

9. A centering and resetting welding fixture according to claim 8, characterized in that: The driving member is provided with a third groove and a third convex portion, the third convex portion is provided at a middle position of a side of the driving member adjacent to the transmission member, the third convex portion protrudes from the surface of the driving member, and the third groove is symmetrically distributed on the upper side and the lower side of the third convex portion; The transmission member is provided with a fourth groove and a fourth convex portion, wherein the fourth groove is provided at a middle position of a side of the transmission member adjacent to the driving member, and the fourth convex portion is symmetrically distributed on the upper side and the lower side of the fourth groove; The third groove is used to install the fourth protrusion, and the fourth groove is used to install the third protrusion.

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