Bent sheet metal part welding station with holes

Abstract

A welding station for a perforated and bent sheet metal part comprises a welding manipulator and a welding tool used for installing the sheet metal part, the welding tool comprises a bottom plate, and the bottom plate is used for placing the perforated and bent sheet metal part to be welded; the fixed block is fixedly mounted on the bottom plate; the multiple clamping assemblies correspond to the other side edges of the sheet metal part; and the pull-down assembly is arranged on the lower side of the bottom plate in a manner of corresponding to the hole site. In the welding operation process, participation of operators is reduced, the labor intensity of the operators is reduced, and the welding efficiency is improved. According to the technical scheme of the embodiment of the utility model, the sheet metal part can be stably positioned, a welding manipulator can conveniently carry out welding, the participation degree of operators in the welding process is reduced, the labor intensity is reduced, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a welding station for sheet metal parts with holes and bends. Background Art

[0002] Sheet metal is a common metal product. It is a product made by sheet metal processing on metal sheets. It is generally made by shearing, stamping, bending and other processes on metal sheets.

[0003] Since sheet metal parts usually have bent side walls and other components need to be installed at the punching positions, welding is usually used to weld the bent side walls of the sheet metal parts, and similarly, other components are welded at the punching positions.

[0004] In most processing plants, due to the relatively complex structure of sheet metal parts, the bent side walls are usually welded manually. During the welding process, the two adjacent side walls need to be pushed to minimize the gap between the two adjacent side walls and weld the two side walls together.

[0005] During the welding production process, it is necessary to rely heavily on operators to perform manual welding and alignment work, which makes the labor intensity of the operators high and the welding efficiency is not high.

[0006] Therefore, there is an urgent need for a device that can weld sheet metal parts with holes and bends. Utility Model Content

[0007] The purpose of the utility model is to solve at least one of the above problems and provide a sheet metal welding station with holes and bends, and the technical solution adopted is as follows:

[0008] A sheet metal welding station with holes and bends, comprising a welding robot and a welding tool for installing sheet metal parts, the welding tool comprising

[0009] A bottom plate, the bottom plate is used to place the perforated and bent sheet metal to be welded, and the bottom plate is provided with through holes corresponding to the hole positions on the sheet metal;

[0010] A fixing block, the fixing block is fixedly mounted on the bottom plate and contacts one side of the sheet metal part;

[0011] A clamping assembly is provided with a plurality of clamping assemblies corresponding to the remaining side edges of the sheet metal part, the clamping assembly comprising a first cylinder fixedly mounted on the bottom plate and a push plate driven by the first cylinder and extending toward the sheet metal part;

[0012] A pull-down assembly is arranged on the lower side of the base plate corresponding to the hole position, and includes a second cylinder and a pulling rod driven by the second cylinder to pass through the hole position to move the sheet metal part down toward the base plate.

[0013] Furthermore, at least one of the clamping assemblies also includes a pulling unit for pulling the side wall of the sheet metal part pushed out by the push plate back outward, and the pulling unit includes a mounting frame fixedly mounted on the base plate and located on the upper side of the first cylinder, a third cylinder and a pulling plate driven by the third cylinder to extend toward the sheet metal part are fixedly mounted on the mounting frame, and the lower edge of the pulling plate extends toward the base plate.

[0014] Furthermore, the pull-back unit also includes

[0015] A vertical plate, the vertical plate is drivingly connected to the third cylinder and is driven by the third cylinder to reciprocate toward the sheet metal part;

[0016] The fourth cylinder is fixedly mounted on the vertical plate, and the pull plate is transmission-connected to the fourth cylinder and driven by the fourth cylinder to reciprocate in the vertical direction.

[0017] Furthermore, the pulling rod includes a rod body, one end of the lower side of the rod body is drivingly connected to the second cylinder, the upper end of the rod body extends upward along the hole, and a pulling block protruding and extending in the radial direction is formed on the upper end of the rod body.

[0018] Furthermore, the pull-down assembly also includes a clamping cylinder, which is transmission-connected to the second cylinder and driven by the second cylinder to reciprocate toward the base plate. The clamping cylinder includes two clamping arms that clamp and separate from each other, and the pulling rod includes two arms that are respectively fixedly connected to the clamping arms and can be brought closer to or separated from each other by the clamping cylinder.

[0019] Furthermore, a tensioning assembly corresponding to the fixing block is provided on the bottom plate, and the tensioning assembly is used to pull the side wall of the sheet metal toward the fixing block. The tensioning assembly includes

[0020] A tensioning drive device, wherein the tensioning drive device is arranged on the bottom plate;

[0021] The tensioning block is transmission-connected to the tensioning driving device and is driven by the tensioning driving device to reciprocate toward or away from the fixed block to clamp or loosen the side wall of the sheet metal part.

[0022] Furthermore, the tensioning drive device is a crank slider mechanism.

[0023] Furthermore, it also includes a rotary positioner, and the welding tool is provided with at least two corresponding and relatively prescribed installations on the rotary positioner, and the rotary positioner drives the reversal so that the welding tool corresponds to the welding robot arm respectively.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] The embodiment of the utility model provides a sheet metal welding station with holes and this side, which clamps and fixes the sheet metal in the circumferential and vertical directions through a clamping component and a pull-down component, thereby ensuring the stable state of the sheet metal. At the same time, the clamping component is also provided with a pull-back unit, which can pull the bent side pushed toward the inside back to the outside, ensuring the vertical state of the bent side, avoiding tilting, and ensuring that two adjacent bent sides are aligned with each other, which is convenient for welding. The technical solution of the embodiment of the utility model can stably position the sheet metal, facilitate welding by the welding robot, reduce the degree of operator participation in the welding process, reduce labor intensity, and improve welding efficiency.

[0026] The utility model is further described below in conjunction with the accompanying drawings and implementation modes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the utility model.

[0028] Figure 2 It is a structural schematic diagram of the welding tooling in the utility model being assembled on a positioner.

[0029] Figure 3 It is a structural schematic diagram of the welding tool in the utility model.

[0030] Figure 4 This is a schematic diagram of the explosion structure of the welding tool in the utility model. Figure 1 .

[0031] Figure 5 This is a schematic diagram of the explosion structure of the welding tool in the utility model. Figure 2 . DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] It should be noted that in the embodiments of the present utility model, all directional indications (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, the descriptions of “first”, “second”, etc. in the embodiments of the present invention are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features.

[0035] The present embodiment provides a welding station for welding a sheet metal part 1 with a hole and bent. The sheet metal part 1 can be reliably fixed by the welding station. At the same time, the bent side of the sheet metal part 1 is pushed so that the bent side remains in a vertical state, and two adjacent bent sides are aligned with each other, which is convenient for welding, thereby reducing labor input, reducing the labor intensity of operators, and improving welding efficiency.

[0036] like Figure 1-5 As shown, the present utility model embodiment provides a welding station for a sheet metal part 1 with a hole and a bend, comprising a welding robot 101 and a welding fixture 200 for mounting the sheet metal part 1. The sheet metal part 1 to be welded is mounted on the welding fixture 200, so that the welding fixture 200 positions the sheet metal part 1 and pushes and aligns the bent side of the sheet metal part 1. Then the welding robot 101 performs welding on the sheet metal part 1. In this embodiment, the welding station also includes a rotary positioner 100. The welding fixture 200 is provided with two mutually opposing The welding robot 101 is arranged beside the positioner 100, and after the welding of the sheet metal part 1 of one welding tool 200 is completed, the positioner 100 can rotate the other welding tool 200 to the side of the welding robot 101, so that the welding robot can perform welding again. The double-station setting can improve the welding efficiency. In other embodiments, it can also be set to a three-station structure. At the same time, a fence 102 is arranged around the welding robot and the welding station to protect the welding area.

[0037] In this embodiment, if Figure 1-5As shown, the welding tool 200 includes a base plate 201, a fixing block 203, a clamping assembly 210 and a pull-down assembly 220; wherein the base plate 201 is used to place the sheet metal part 1 with holes and bent to be welded, and a through hole 202 corresponding to the hole position on the sheet metal part 1 is opened on the base plate 201, and the fixing block 203 is fixedly installed on the base plate 201. In this embodiment, the fixing block 203 is located at one side edge of the base plate 201. After the plate is placed on the base plate 201, the fixing block 203 conflicts with one side edge of the sheet metal part 1, thereby positioning the side of the sheet metal part 1 and limiting one moving direction of the sheet metal part 1; the clamping assembly 210 is provided with a plurality of corresponding to the remaining side edges of the sheet metal part 1, and the clamping assembly 210 includes a first cylinder 211 fixedly installed on the base plate 201 and a push plate 21 driven by the first cylinder 211 to extend toward the sheet metal part 1 2. In the process of clamping and positioning the sheet metal part 1, the first cylinder 211 pushes the push plate 212 toward the sheet metal part 1. Specifically, after the push plate 212 and the bent side plate of the sheet metal part 1 collide with each other, the sheet metal part 1 is clamped and fixed by the fixing block 203 to fix the position; at the same time, the pull-down component 220 is arranged on the lower side of the bottom plate 201 corresponding to the hole position, and includes a second cylinder 221 and a pulling rod 223 driven by the second cylinder 221 to pass through the hole position to move the sheet metal part 1 down toward the bottom plate 201. The pulling rod 223 passes through the hole position under the drive of the second cylinder 221 and is located above the bottom plate 201. When the pulling rod 223 moves downward, the lower side surface of the sheet metal part 1 is pulled downward, so that the lower side surface of the sheet metal part 1 and the bottom plate 201 are in tight contact with each other, ensuring that the sheet metal part 1 will not be tilted or uneven.

[0038] The welding station for a sheet metal part 1 with a hole and a bend provided in this embodiment can clamp and position the sheet metal part 1 in the circumferential direction through the clamping component 210, so that the sheet metal part 1 is in a fixed state, and pull the sheet metal part 1 toward the base plate 201 through the pull-down component 220, so that the sheet metal part 1 and the base plate 201 are firmly attached to each other, avoiding the sheet metal part 1 from tilting and unevenness, thereby ensuring the stability of the sheet metal part 1 and the quality of welding.

[0039] In this embodiment, at least one clamping assembly 210 further includes a pull-back unit 213. Figure 3-5As shown, in this embodiment, a pulling unit 213 is provided on two corresponding clamping assemblies 210 for pulling the side wall of the sheet metal part 1 pushed out by the push plate 212 back to the outside, and the pulling unit 213 includes a mounting frame 2131 fixedly mounted on the base plate 201 and located on the upper side of the first cylinder 211, and a third cylinder 2132 and a pulling plate 2133 driven by the third cylinder 2132 to extend toward the sheet metal part 1 are fixedly mounted on the mounting frame 2131, and the lower side edge of the pulling plate 2133 extends toward the base plate 201.

[0040] In the process of the push plate 212 in the clamping assembly 210 pushing the bent side of the sheet metal part 1 toward the inside, it is easy for the bent side of the sheet metal part 1 to be excessively bent toward the inside due to the large pushing force, resulting in deformation and misalignment with the adjacent bent side. The bent side pushed toward the inside is pulled back toward the outside by the pulling unit 213, thereby ensuring that the bent side can remain in a vertical state to avoid deformation and misalignment with the adjacent side. The pull plate 2133 is located on the inner side of the bent side, and the third cylinder 2132 drives the pull plate 2133 toward the outer side of the bent side plate, so that the pull plate 2133 pulls the side plate bent toward the inner side toward the outer side, thereby maintaining a vertical state. In this embodiment, the lower section of the pull plate 2133 overlaps with the upper section of the push plate 212, which can prevent the pull plate 2133 and the push plate 212 from being staggered, thereby preventing two opposite forces from being applied to the side of the sheet metal part 1 and causing shear damage to the side plate.

[0041] In this embodiment, Figure 3-5 As shown, the pull-back unit 213 also includes a vertical plate 2134 and a fourth cylinder 2135, wherein the vertical plate 2134 is connected to the third cylinder 2132 by transmission, and is driven by the third cylinder 2132 to reciprocate toward the sheet metal part 1; the fourth cylinder 2135 is fixedly mounted on the vertical plate 2134, and the pull plate 2133 is connected to the fourth cylinder 2135 by transmission, and is driven by the fourth cylinder 2135 to reciprocate in the vertical direction. The fourth cylinder 2135 can drive the pull plate 2133 to move in the vertical direction, and in the process of loading or removing the sheet metal part 1, the sheet metal part 1 can be avoided to avoid mutual interference. At the same time, the pull plate 2133 is driven in the vertical direction by the fourth cylinder 2135, which can also better adapt to the pulling back action of the side plates of different heights.

[0042] In this embodiment, the pull-down assembly 220 is used to pull the sheet metal part 1 downward. Specifically, the second cylinder 221 drives the pull rod 223 to pull the sheet metal part 1 downward, so that the sheet metal part 1 can be tightly attached to the bottom plate 201. Figure 5As shown, the specific structure of the pulling rod 223 is given as an example. The pulling rod 223 includes a rod body 2231, one end of the lower side of the rod body 2231 is drivingly connected to the second cylinder 221, the upper end of the rod body 2231 extends upward along the hole, and a pulling block 2232 protruding and extending in the radial direction is formed on the upper end of the rod body 2231. That is, when the pulling rod 223 moves downward, the pulling block 2232 contacts the sheet metal part 1 and pulls it downward at the same time, so that the sheet metal part 1 is tightly fitted with the bottom plate 201.

[0043] In this embodiment, the pull-down assembly 220 further includes a clamping cylinder 224, which is connected to the second cylinder 221 and driven by the second cylinder 221 to reciprocate toward the bottom plate 201. The clamping cylinder 224 includes two clamping arms that are clamped and separated from each other, and the pulling rod 223 includes two clamping arms that are respectively fixedly connected to the clamping arms and can be moved closer to or separated from each other by the driving of the clamping cylinder 224. That is, when the clamping cylinder 224 brings the clamping arms closer to each other, the two pulling rods 223 also move closer to each other, so that they can be smoothly extended into the hole under the driving of the second cylinder 221. Similarly, after the clamping cylinder 224 separates the clamping arms from each other, the two pulling rods 223 also separate with the clamping arms, so that the pulling rods 223 can correspond to the outer side of the hole, which is convenient for the pulling block 2232 to pull the sheet metal part 1 downward.

[0044] In this embodiment, if Figure 3-5 As shown, a tensioning assembly 230 corresponding to the fixing block 203 is also arranged on the bottom plate 201. The tensioning assembly 230 is used to pull the side wall of the sheet metal part 1 toward the fixing block 203, so that the side wall of the sheet metal part 1 is pulled toward the fixing block 203, thereby making the side wall of the sheet metal part 1 relatively abut against the fixing block 203 and tightening it, and at the same time, the side wall of the sheet metal part 1 is pulled to a vertical state. The tensioning assembly 230 includes a tensioning driving device 231 and a tensioning block 232. The tensioning driving device 231 is arranged on the bottom plate 201, and the tensioning block 232 is transmission-connected to the tensioning driving device 231, and is driven by the tensioning driving device 231 to reciprocate toward or away from the fixing block 203, so as to clamp or loosen the side wall of the sheet metal part 1. In this embodiment, the tensioning driving device 231 is a crank slider mechanism. The tension block 232 is driven to move back and forth in a straight line by a crank slider mechanism, thereby pulling the side wall of the sheet metal part 1. The crank slider mechanism has a simple structure and can lock the tension block 232 through the dead point position, thereby reliably fixing the sheet metal part 1.

[0045] The embodiment of the utility model provides a welding station for a sheet metal part 1 with a hole and a side, and the sheet metal part 1 is clamped and fixed in the circumferential and vertical directions by a clamping assembly 210 and a pull-down assembly 220, so as to ensure the stable state of the sheet metal part 1. At the same time, the clamping assembly 210 is also provided with a pull-back unit 213, which can pull the bent side pushed inward to the outside to ensure the vertical state of the bent side, avoid tilting, and ensure that two adjacent bent sides are aligned with each other, so as to facilitate welding. The technical solution of the embodiment of the utility model can stably position the sheet metal part 1, facilitate welding by the welding robot 101, reduce the degree of operator participation in the welding process, reduce labor intensity, and improve welding efficiency.

[0046] For those skilled in the art, various other corresponding changes and deformations can be obtained according to the structure and principle disclosed by the utility model, and all of these changes and deformations belong to the protection scope of the utility model.

Claims

1. A welding station for sheet metal parts with holes and bends, comprising a welding robot and a welding tool for installing sheet metal parts, characterized in that: The welding tool comprises A bottom plate, the bottom plate is used to place the perforated and bent sheet metal to be welded, and the bottom plate is provided with through holes corresponding to the hole positions on the sheet metal; A fixing block, the fixing block is fixedly mounted on the bottom plate and contacts one side of the sheet metal part; A clamping assembly is provided with a plurality of clamping assemblies corresponding to the remaining side edges of the sheet metal part, the clamping assembly comprising a first cylinder fixedly mounted on the bottom plate and a push plate driven by the first cylinder and extending toward the sheet metal part; A pull-down assembly is arranged on the lower side of the base plate corresponding to the hole position, and includes a second cylinder and a pulling rod driven by the second cylinder to pass through the hole position to move the sheet metal part down toward the base plate.

2. A sheet metal welding station with holes and bends according to claim 1, characterized in that: At least one of the clamping assemblies also includes a pulling unit for pulling the side wall of the sheet metal part pushed out by the push plate back outward, and the pulling unit includes a mounting frame fixedly mounted on the base plate and located on the upper side of the first cylinder, a third cylinder and a pulling plate driven by the third cylinder to extend toward the sheet metal part are fixedly mounted on the mounting frame, and the lower edge of the pulling plate extends toward the base plate.

3. A sheet metal welding station with holes and bends according to claim 2, characterized in that: The pull-back unit also includes A vertical plate, the vertical plate is drivingly connected to the third cylinder and is driven by the third cylinder to reciprocate toward the sheet metal part; The fourth cylinder is fixedly mounted on the vertical plate, and the pull plate is transmission-connected to the fourth cylinder and driven by the fourth cylinder to reciprocate in the vertical direction.

4. A sheet metal welding station with holes and bends according to claim 1, characterized in that: The pulling rod includes a rod body, one end of the lower side of the rod body is drivingly connected to the second cylinder, the upper end of the rod body extends upward along the hole, and a pulling block protruding and extending in the radial direction is formed on the upper end of the rod body.

5. A sheet metal welding station with holes and bends according to claim 4, characterized in that: The pull-down assembly also includes a clamping cylinder, which is transmission-connected to the second cylinder and driven by the second cylinder to reciprocate toward the base plate. The clamping cylinder includes two clamping arms that clamp and separate from each other, and the pulling rod includes two arms that are respectively fixedly connected to the clamping arms and can be moved closer to or separated from each other by the clamping cylinder.

6. A sheet metal welding station with holes and bends according to claim 1, characterized in that: A tensioning assembly corresponding to the fixing block is also arranged on the bottom plate, and the tensioning assembly is used to pull the side wall of the sheet metal toward the fixing block. The tensioning assembly includes A tensioning drive device, wherein the tensioning drive device is arranged on the bottom plate; The tensioning block is transmission-connected to the tensioning driving device and is driven by the tensioning driving device to reciprocate toward or away from the fixed block to clamp or loosen the side wall of the sheet metal part.

7. A sheet metal welding station with holes and bends according to claim 6, characterized in that: The tensioning drive device is a crank slider mechanism.

8. A sheet metal welding station with holes and bends according to claim 1, characterized in that: It also includes a rotary positioner, and the welding tool is provided with at least two corresponding and relatively arranged ones installed on the rotary positioner, and the rotary positioner drives the reversing so that the welding tool corresponds to the welding robot arm respectively.

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