A refrigerator core welding steel pipe positioning device
By designing a steel pipe positioning device with automatic positioning and automatic removal mechanisms, the problem of low welding efficiency of irregular steel pipes was solved, and automatic positioning and automatic unloading were achieved, thereby improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU TAIMEIDA ELECTRIC CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-06-16
Smart Images

Figure CN224359637U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe welding technology, specifically to a steel pipe positioning device for welding refrigerator cores. Background Technology
[0002] When welding pipes, it is necessary to position the pipes to align the pipe ends, which facilitates welding and makes the welding process more precise.
[0003] Patent document CN115625472B discloses a circular steel pipe column welding positioning device and its positioning method. The device includes a clamping disc, a connecting rod, an X-shaped support rod, a longitudinal base, a transverse base, a disc support, a hydraulic rod, and a connecting crossbar. The longitudinal base and the transverse base are connected to form a laterally expandable square base. On each of the left and right sides of the square base, there are one or more sets of steel pipe column support frames. Each steel pipe column support frame includes at least two sets of X-shaped support rods. Hydraulic rods and connecting crossbars are connected between the X-shaped support rods in the same set. The hydraulic rods and connecting crossbars on both sides are driven by the same motor. A clamping disc is provided between the steel pipe column support frames on both sides. This device can fix circular steel pipe columns and is suitable for steel pipe columns of different diameters, making it highly practical. However, this solution has the following problems that need to be addressed:
[0004] The steel pipe in the condenser section of the refrigerator's internal mechanism is welded to the steel pipe containing the filter. The steel pipe containing the filter has round tubes at both ends and a thicker cylinder in the middle. The shape of this steel pipe is irregular, and this solution cannot fix it well. After the workpiece is welded, this solution requires manual removal or a clamping device to remove it, which affects work efficiency.
[0005] Based on this, the present invention designs a steel pipe positioning device for welding refrigerator cores to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a steel pipe positioning device for welding refrigerator core.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A steel pipe positioning device for welding refrigerator cores includes a bracket and a top plate fixedly connected to the top of the bracket; it also includes an automatic positioning mechanism and an automatic removal mechanism. The automatic removal mechanism is installed on the bracket and is used to remove the workpiece after welding. The automatic positioning mechanism includes a vertical limiting component and a horizontal limiting component. The vertical limiting component is used to limit the workpiece in the vertical direction, and the horizontal limiting component is used to make the workpieces to be welded contact each other and limit them in the horizontal direction.
[0009] Furthermore, the vertical limiting component includes a downward moving component and a moving seat component. The downward moving component is installed on the top plate and is used to press down and limit the workpiece. The moving seat component is installed on the automatic removal mechanism and is used to place and limit the workpiece to be welded and to move the workpiece in the horizontal direction.
[0010] Furthermore, the downward moving component includes a limiting block, a connecting plate, and a first cylinder. The first cylinder is installed on the horizontal limiting component. The output shaft of the first cylinder is fixedly connected to the middle of the connecting plate. The left and right ends of the connecting plate are respectively fixedly connected to a limiting block. The lower end of the limiting block is provided with a V-shaped groove with the groove opening downward, which is used to limit the workpiece.
[0011] Furthermore, the movable seat assembly includes a base, a first slide rail, a first slider, an arc-shaped groove, and a limiting rod. The automatic removal mechanism is equipped with a horizontally placed first slide rail, which is slidably connected to two first sliders. The upper ends of the two first sliders are fixedly connected to the base. An arc-shaped groove is provided at one end of the base. A limiting rod connected to the horizontal limiting assembly is slidably mounted on the upper end of the arc-shaped groove. The limiting rod is used to make the horizontal limiting assembly and the base move synchronously. A slot for limiting the installation of the filter steel pipe is provided at the upper end of the left base, and a V-shaped slot is provided at the upper end of the right base for limiting the condensation zone steel pipe.
[0012] Furthermore, the horizontal limiting component includes a transmission component and a movable baffle component. A movable baffle component is installed at each of the left and right ends of the top plate to move the two bases. A transmission component is installed on the top plate to move the movable baffle components.
[0013] Furthermore, the movable baffle assembly includes a baffle, a second slide rail, and a second slider. One end of the top plate is fixedly connected to the horizontally placed second slide rail, the second slide rail is slidably connected to the second slider, the upper end of the second slider is fixedly connected to one end of the L-shaped baffle, and the other end of the L-shaped baffle is fixedly connected to a limiting rod end.
[0014] Furthermore, the transmission assembly includes a rotating rod, a connecting rod, a transmission rod, a connecting ring, a first hinge block, and a second hinge block. The connecting ring passes through the middle of the top plate and is fixedly connected to the top plate. The upper end of the connecting ring is fixedly connected to the first cylinder. The outer wall of the connecting ring is rotatably connected to the middle of the rotating rod. Both ends of the rotating rod are rotatably connected to one end of each of the two connecting rods. The other ends of the two connecting rods are rotatably connected to one end of each of the two baffles. Both ends of the rotating rod are rotatably connected to the two first hinge blocks. The two first hinge blocks are hinged to one end of each of the two transmission rods. The other ends of the two transmission rods are hinged to the two second hinge blocks. The two second hinge blocks are rotatably connected to the upper ends of the two limit blocks.
[0015] Furthermore, the automatic removal mechanism includes a rotating base plate and a drive assembly. The middle part of the bracket is hinged to the rear end of the rotating base plate, the upper end of the rotating base plate is fixedly connected to the first slide rail, and two drive assemblies are installed at the lower end of the rotating base plate. The drive assemblies are used to drive the rotating base plate to rotate.
[0016] Compared with the prior art, the advantages of this utility model are as follows: by cooperating with the vertical limiting component and the horizontal limiting component, workpieces of different shapes are automatically positioned, and by the action of the automatic removal mechanism, the material is automatically unloaded, thereby improving production efficiency. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This utility model relates to a three-dimensional positioning device for a steel pipe used in welding a refrigerator core. Figure 1 ;
[0019] Figure 2 This is a front view of a steel pipe positioning device for welding refrigerator core according to the present invention;
[0020] Figure 3 This utility model relates to a three-dimensional positioning device for a steel pipe used in welding a refrigerator core. Figure 2 ;
[0021] Figure 4 This is a schematic diagram of the automatic positioning mechanism;
[0022] Figure 5 for Figure 3 Enlarged view of point A in the middle;
[0023] Figure 6 This is a schematic diagram of the horizontal limiting component.
[0024] Figure 7 This utility model relates to a three-dimensional positioning device for a steel pipe used in welding a refrigerator core. Figure 3 ;
[0025] Figure 8 for Figure 7 Enlarged view of point B in the middle.
[0026] The labels in the diagram represent:
[0027] 1. Bracket; 2. Automatic positioning mechanism; 3. Automatic removal mechanism; 4. Top plate; 21. Vertical limiting component; 22. Horizontal limiting component; 211. Limiting block; 212. Connecting plate; 213. First cylinder; 214. Base; 215. First slide rail; 216. First slider; 217. Arc groove; 218. Limiting rod; 221. Baffle; 222. Second slide rail; 223. Second slider; 224. Rotating rod; 225. Connecting rod; 226. Transmission rod; 227. Connecting ring; 228. First hinge block; 229. Second hinge block; 31. Rotating base plate; 32. Drive component; 321. Fixing block; 322. Second cylinder. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0029] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.
[0030] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-8 A steel pipe positioning device for welding refrigerator core, comprising a bracket 1 and a top plate 4 fixedly connected to the top of the bracket 1;
[0031] It also includes an automatic positioning mechanism 2 and an automatic removal mechanism 3. The automatic removal mechanism 3 is installed on the bracket 1 and is used to remove the workpiece after welding.
[0032] The automatic positioning mechanism 2 includes a vertical limiting component 21 and a horizontal limiting component 22. The vertical limiting component 21 and the horizontal limiting component 22 are installed on the top plate 4. The vertical limiting component 21 is used to limit the workpiece in the vertical direction, and the horizontal limiting component 22 is used to make the workpieces to be welded contact each other and limit them in the horizontal direction.
[0033] In this invention, two workpieces to be welded are moved into the vertical limiting component 21. The vertical limiting component 21 limits the workpieces in the vertical direction, while the horizontal limiting component 22 brings the two workpieces to be welded closer to each other until the welding points contact. At this time, the workpieces to be welded are positioned by the cooperation of the vertical limiting component 21 and the horizontal limiting component 22. After welding is completed, the welded workpieces are automatically removed by the automatic removal mechanism 3, and the device is reset.
[0034] In this utility model, the workpiece is automatically positioned by the cooperation of the vertical limiting component 21 and the horizontal limiting component 22, and is automatically unloaded by the action of the automatic removal mechanism 3.
[0035] like Figure 2 , Figure 4 , Figure 7 and Figure 8 As shown, the vertical limiting component 21 includes a downward moving component and a moving seat component. The downward moving component is installed on the top plate 4. The downward moving component is used to press down and limit the workpiece. The automatic removal mechanism 3 is equipped with two left and right moving seat components. The moving seat components are used to place and limit the workpiece to be welded and to move the workpiece in the horizontal direction.
[0036] The downward moving component includes a limiting block 211, a connecting plate 212, and a first cylinder 213. The first cylinder 213 is installed on the horizontal limiting component 22. The output shaft of the first cylinder 213 is fixedly connected to the middle of the connecting plate 212. The left and right ends of the connecting plate 212 are respectively fixedly connected to a limiting block 211. The lower end of the limiting block 211 is provided with a V-shaped groove with the groove opening downward, which is used to limit the workpiece.
[0037] The movable seat assembly includes a base 214, a first slide rail 215, a first slider 216, an arc groove 217, and a limiting rod 218. The automatic removal mechanism 3 is equipped with a horizontally placed first slide rail 215, which is slidably connected to two first sliders 216. The upper ends of the two first sliders 216 are fixedly connected to the base 214. One end of the base 214 has an arc groove 217, and the upper limit of the arc groove 217 is slidably connected to a limiting rod 218 connected to a horizontal limiting assembly 22. The limiting rod 218 is used to make the horizontal limiting assembly 22 and the base 214 move synchronously. The upper end of the left base 214 has a slot for limiting the steel pipe for installing the filter, and the upper end of the right base 214 has a V-shaped slot for limiting the steel pipe in the condensation zone.
[0038] In this invention, two workpieces to be welded are moved onto two bases 214 with slots. The first cylinder 213 drives the connecting plate 212 and the limiting block 211 to move down until they cooperate with the base 214 to limit the workpieces.
[0039] In this utility model, the workpiece is positioned vertically by means of the base 214 and the limiting block 211.
[0040] like Figure 4 , Figure 5 and Figure 6As shown, the horizontal limiting component 22 includes a transmission component and a movable baffle component. A movable baffle component is installed at each of the left and right ends of the top plate 4 to move the two bases 214. A transmission component is installed on the top plate 4 to move the movable baffle components.
[0041] The movable baffle assembly includes a baffle 221, a second slide rail 222, and a second slider 223. One end of the top plate 4 is fixedly connected to the horizontally placed second slide rail 222. The second slide rail 222 is slidably connected to the second slider 223. The upper end of the second slider 223 is fixedly connected to one end of the L-shaped baffle 221. The other end of the L-shaped baffle 221 is fixedly connected to a limiting rod 218.
[0042] The transmission assembly includes a rotating rod 224, a connecting rod 225, a transmission rod 226, a connecting ring 227, a first hinge block 228, and a second hinge block 229. The connecting ring 227 passes through the middle of the top plate 4 and is fixedly connected to the top plate 4. The upper end of the connecting ring 227 is fixedly connected to the first cylinder 213. The outer wall of the connecting ring 227 is rotatably connected to the middle of the rotating rod 224. Both ends of the rotating rod 224 are rotatably connected to one end of each of the two connecting rods 225. The other ends of the two connecting rods 225 are rotatably connected to one end of each of the two baffles 221. Both ends of the rotating rod 224 are rotatably connected to the two first hinge blocks 228. The two first hinge blocks 228 are hinged to one end of each of the two transmission rods 226. The other ends of the two transmission rods 226 are hinged to the two second hinge blocks 229. The two second hinge blocks 229 are rotatably connected to the upper ends of each of the two limit blocks 211.
[0043] In this utility model, the first cylinder 213 drives the connecting plate 212 and the limiting block 211 to move downward. The downward movement of the limiting block 211 drives the second hinge block 229 and the transmission rod 226 to move downward, so that the first hinge block 228 and the rotating rod 224 rotate counterclockwise around the connecting ring 227, causing the connecting rod 225 to move towards the connecting ring 227, and causing the second slider 223 and the baffle 221 to move along the second slide rail 222 towards the connecting ring 227. The baffle 221 drives the limiting rod 218 to move, and the limiting rod 218 drives the base 214 and the first slider 216 to move along the first slide rail 215 until the limiting block 211 limits the workpiece. At this time, the welding points of the two workpieces to be welded on the two bases 214 are in contact. After welding is completed, the device is reset.
[0044] In this invention, the second slider 223 drives the base 214 and the workpiece to move, so that the welding points of the two workpieces to be welded come into contact, which facilitates welding.
[0045] like Figure 2 and Figure 3As shown, the automatic removal mechanism 3 includes a rotating base plate 31 and a drive assembly 32. The middle part of the bracket 1 is hinged to the rear end of the rotating base plate 31. The upper end of the rotating base plate 31 is fixedly connected to the first slide rail 215. Two drive assemblies 32 are installed at the lower end of the rotating base plate 31. The drive assembly 32 is used to drive the rotating base plate 31 to rotate.
[0046] The drive assembly 32 includes a fixed block 321 and a second cylinder 322. The fixed block 321 is fixed on the ground, and the second cylinder 322 is hinged to the fixed block 321. The output shaft of the second cylinder 322 is hinged to the lower end of the rotating base plate 31.
[0047] In this utility model, after the welding work is completed, the automatic positioning mechanism 2 of the device is reset. The output end of the second cylinder 322 retracts, causing the rotating base plate 31 to rotate clockwise around the rear end of the rotating base plate 31 as the center. This causes the first slide rail 215, the first slider 216, and the base 214 to rotate. When the base 214 rotates, the arc groove 217 slides at the upper limit of the limit rod 218. When the base 214 rotates to a certain angle, the workpiece falls off the base 214, and then the device is reset.
[0048] In this invention, the workpiece is automatically moved out by rotating the base plate 31, which improves production efficiency.
[0049] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A steel pipe positioning device for welding refrigerator core, comprising a bracket (1) and a top plate (4) fixedly connected to the top of the bracket (1); characterized in that: It also includes an automatic positioning mechanism (2) and an automatic removal mechanism (3). The automatic removal mechanism (3) is installed on the bracket (1). The automatic removal mechanism (3) is used to remove the workpiece after welding. The automatic positioning mechanism (2) includes a vertical limiting component (21) and a horizontal limiting component (22). The vertical limiting component (21) and the horizontal limiting component (22) are installed on the top plate (4). The vertical limiting component (21) is used to limit the workpiece in the vertical direction. The horizontal limiting component (22) is used to make the workpieces to be welded contact each other and limit them in the horizontal direction.
2. The steel pipe positioning device for welding refrigerator cores according to claim 1, characterized in that, The vertical limiting component (21) includes a downward moving component and a moving seat component. The downward moving component is installed on the top plate (4). The downward moving component is used to press down and limit the workpiece. The automatic removal mechanism (3) is equipped with two left and right moving seat components. The moving seat components are used to place and limit the workpiece to be welded and to move the workpiece in the horizontal direction.
3. The steel pipe positioning device for welding refrigerator cores according to claim 2, characterized in that, The downward moving component includes a limiting block (211), a connecting plate (212), and a first cylinder (213). The first cylinder (213) is installed on the horizontal limiting component (22). The output shaft of the first cylinder (213) is fixedly connected to the middle of the connecting plate (212). The left and right ends of the connecting plate (212) are respectively fixedly connected to a limiting block (211). The lower end of the limiting block (211) is provided with a V-shaped groove with the groove opening downward, which is used to limit the workpiece.
4. The steel pipe positioning device for welding refrigerator cores according to claim 2, characterized in that, The movable seat assembly includes a base (214), a first slide rail (215), a first slider (216), an arc groove (217), and a limiting rod (218). The automatic removal mechanism (3) is equipped with a horizontally placed first slide rail (215). The first slide rail (215) is slidably connected to two first sliders (216). The upper ends of the two first sliders (216) are fixedly connected to the base (214). An arc groove (217) is provided at one end of the base (214). A limiting rod (218) connected to the horizontal limiting assembly (22) is slidably provided at the upper end of the arc groove (217). The limiting rod (218) is used to make the horizontal limiting assembly (22) and the base (214) move synchronously. A slot for limiting the steel pipe for installing the filter is provided at the upper end of the left base (214). A V-shaped slot is provided at the upper end of the right base (214) for limiting the steel pipe in the condensation zone.
5. The steel pipe positioning device for welding refrigerator cores according to claim 4, characterized in that, The horizontal limiting component (22) includes a transmission component and a movable baffle component. A movable baffle component is installed at each of the left and right ends of the top plate (4) to move the two bases (214). A transmission component is installed on the top plate (4) to move the movable baffle component.
6. The steel pipe positioning device for welding refrigerator cores according to claim 5, characterized in that, The movable baffle assembly includes a baffle (221), a second slide rail (222), and a second slider (223). One end of the top plate (4) is fixedly connected to the horizontally placed second slide rail (222). The second slide rail (222) is slidably connected to the second slider (223). The upper end of the second slider (223) is fixedly connected to one end of the L-shaped baffle (221). The other end of the L-shaped baffle (221) is fixedly connected to the rod-shaped end of a limiting rod (218).
7. The steel pipe positioning device for welding refrigerator cores according to claim 6, characterized in that, The transmission assembly includes a rotating rod (224), a connecting rod (225), a transmission rod (226), a connecting ring (227), a first hinge block (228), and a second hinge block (229). The connecting ring (227) passes through the middle of the top plate (4) and is fixedly connected to the top plate (4). The upper end of the connecting ring (227) is fixedly connected to the first cylinder (213). The outer wall of the connecting ring (227) is rotatably connected to the middle of the rotating rod (224). The two ends of the rotating rod (224) are respectively connected to the two connecting rods (225, 226, 227, 228, and 229). 225) One end is rotatably connected, and the other end of the two connecting rods (225) is rotatably connected to one end of the two baffles (221) respectively. The two ends of the rotating rod (224) are rotatably connected to the two first hinge blocks (228) respectively. The two first hinge blocks (228) are hinged to one end of the two transmission rods (226) respectively. The other end of the two transmission rods (226) is hinged to the two second hinge blocks (229) respectively. The two second hinge blocks (229) are rotatably connected to the upper end of the two limit blocks (211) respectively.
8. The steel pipe positioning device for welding refrigerator cores according to claim 4, characterized in that, The automatic removal mechanism (3) includes a rotating base plate (31) and a drive assembly (32). The middle part of the bracket (1) is hinged to the rear end of the rotating base plate (31). The upper end of the rotating base plate (31) is fixedly connected to the first slide rail (215). Two drive assemblies (32) are installed at the lower end of the rotating base plate (31). The drive assembly (32) is used to drive the rotating base plate (31) to rotate.