Welding machine for supporting legs of multi-layer goods shelf

Abstract

The utility model belongs to the technical field of welding, and discloses a multi-layer goods shelf supporting leg welding machine which comprises a bottom plate, a sliding groove is formed in the center of the top end of the bottom plate, two sets of sliding blocks are symmetrically arranged in the sliding groove in a sliding mode, a threaded rod penetrates through the centers of the sliding blocks in a threaded mode, and the threaded matching directions of the threaded rod and the two sets of sliding blocks are opposite. The two ends of the screw rotationally penetrate through the side face of the bottom plate, an L-shaped rod is installed in the center of the top end of the sliding block, a fixing plate is installed at the end of the L-shaped rod, a stand column and a wafer are placed on the bottom plate, an annular groove is formed in the center of the top end of the bottom plate, the sliding block slides in the annular groove, and a rotating ring is installed at the top end of the sliding block. Side plates are symmetrically fixed to the top end of the rotating ring, rotating shafts are rotationally arranged on the side faces of the side plates, mounting blocks are fixed to the side walls of the rotating shafts, and welding guns are mounted on the side faces of the mounting blocks; by means of the mode, the stand column is fixed from the two sides, and compared with pressing and fixing from the upper portion, the two-side fixing mode is suitable for stand columns of various heights.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a multi-layer shelf leg welding machine. Background Art

[0002] Existing shelves are generally assembled from legs and layers. Sometimes, in order to meet the needs of placing items, multiple layers need to be assembled into multi-layer shelves to facilitate the storage of more goods. However, as the number of shelves increases, its stability decreases. In order to ensure the stability of shelf storage, it is generally necessary to weld legs at the bottom of the columns to increase the ground contact area of ​​the shelf, thereby improving its stability.

[0003] The current Chinese patent application number CN202121647582.4 discloses a special multi-layer shelf leg welding machine, including a welding machine body, a hydraulic pump is fixedly provided inside the welding machine body, a hydraulic rod is connected to the upper end of the hydraulic pump for transmission, a support plate is fixedly provided at one end of the hydraulic rod, and a first drive motor is fixedly provided on the surface of one side of the inner side of the welding machine body, and a screw rod is provided for transmission at the upper end of the first drive motor. By placing a vertical pipe into a sleeve and elastically pressing and fixing it, welding is facilitated. However, when it is in use, the elastic fixing method has vibration interference during welding, which may cause the stable state of the spring to be destroyed, and it is not convenient to fix columns with higher heights.

[0004] Based on this, the utility model designs a multi-layer shelf leg welding machine to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a multi-layer shelf leg welding machine.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A multi-layer shelf leg welding machine comprises a bottom plate, a slide groove is provided at the top center of the bottom plate, two groups of sliders slide symmetrically in the slide groove, a screw rod is penetrated by the central thread of the slider, the screw rod and the two groups of slider threads cooperate in opposite directions, both ends of the screw rod rotate and penetrate the side surface of the bottom plate, an L-shaped rod is installed at the top center of the slider, a fixed plate is installed at the end of the L-shaped rod, a column and a disc are placed on the bottom plate, an annular groove is provided at the top center of the bottom plate, a sliding block slides in the annular groove, a rotating ring is installed at the top of the sliding block, a side plate is symmetrically fixed to the top of the rotating ring, a rotating shaft is rotatably provided on the side surface of the side plate, a mounting block is fixed on the side wall of the rotating shaft, and a welding gun is installed on the side surface of the mounting block.

[0008] Furthermore, the top of the slider is flush with the top of the base plate, the annular groove and the slide groove are connected, the bottom of the annular groove is higher than the top of the screw, the top of the sliding block is flush with the top of the base plate, and there are six groups of sliding blocks that are evenly arranged at the bottom of the rotating ring.

[0009] Furthermore, the bottom plate is a circular structure, a through groove is opened at the top of the bottom plate on the circumference of the edge of the annular groove, and a collection frame is installed inside the bottom plate.

[0010] Furthermore, the sliding block and the rotating ring are matched with threaded holes, the threaded holes are threadedly connected with connecting screws, and the top of the connecting screw is flush with the top of the rotating ring.

[0011] Furthermore, positioning plates are fixed at both ends of the L-shaped rod, and fixing screws are threadedly matched between the positioning plates and the sliding block and the fixing plate.

[0012] Furthermore, a vertical slide groove is provided at the center of the side surface of the fixed plate, a vertical sliding block slides in the vertical slide groove, positioning holes are provided on the vertical sliding block and the vertical slide groove, a positioning screw is fixed in the positioning hole, and the positioning screw and the side surface of the fixed plate are located in the same vertical plane.

[0013] Furthermore, the vertical slide groove is arranged through both sides of the fixed plate, and the end surface of the vertical sliding block is flush with the end surface of the vertical slide groove.

[0014] Furthermore, the slide groove is arranged through both sides of the bottom plate, and the screw rod rotates and penetrates a blocking block, and the blocking block is threadedly fixed on the end of the slide groove.

[0015] Beneficial effects: 1. By setting the slide groove, slider, screw, L-shaped rod and fixed plate, rotating the screw, using the threaded cooperation of the screw and the slider, driving the slider to move along the slide groove, thereby driving the two sets of fixed plates to move towards each other and contact the two sides of the column, and fixing the column from both sides. Compared with pressing and fixing from above, the two-side fixing method is suitable for columns of various heights and has high stability; by setting the annular groove, sliding block and rotating ring, using the cooperation of the sliding block and the annular groove, rotating the rotating ring, the position of the welding gun can be adjusted, and multi-point welding can be performed, which is convenient for adjustment and use;

[0016] 2. By setting connecting screws and threaded holes, the rotating ring is fixed on the sliding block through the connecting screws and threaded holes, which is convenient for loading and unloading the rotating ring; by setting a positioning plate and fixing screws, the L-shaped rod is fixed on the vertical slider on the side of the slider and the fixed plate through the fixing screws and the positioning plate, which is convenient for loading and unloading the L-shaped rod; by setting a vertical slide groove, a vertical slider, a positioning hole and a positioning screw, the sliding cooperation of the vertical slider and the vertical slide groove is utilized, the positioning hole at a suitable position is selected, the position of the fixed plate is adjusted, and it is fixed by the positioning screws. The height of the fixed plate can be adjusted, and the operation of the welding gun will not be affected under the premise of fixing the column. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 The utility model is a three-dimensional diagram of the main structure of a multi-layer shelf support leg welding machine.

[0019] Figure 2 The utility model is a three-dimensional diagram of the bottom plate structure of a multi-layer shelf leg welding machine.

[0020] Figure 3 The utility model is a three-dimensional diagram of the fixed plate structure of a multi-layer shelf support leg welding machine.

[0021] Figure 4 The utility model is a three-dimensional diagram of the rotating ring structure of a multi-layer shelf support leg welding machine.

[0022] The numbers in the figure represent: 1. bottom plate; 2. slide groove; 3. slider; 4. screw; 5. L-shaped rod; 6. fixed plate; 7. column; 8. disc; 9. annular groove; 10. sliding block; 11. rotating ring; 12. side plate; 13. rotating shaft; 14. mounting block; 15. welding gun; 16. through groove; 17. collecting frame; 18. threaded hole; 19. connecting screw; 20. positioning plate; 21. fixing screw; 22. vertical slide groove; 23. vertical slider; 24. positioning hole; 25. positioning screw; 26. blocking block. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model is further described below in conjunction with embodiments.

[0025] In some embodiments, please refer to the attached instructions. Figure 1 , Figure 2 , Figure 3 and Figure 4 A multi-layer shelf leg welding machine includes a bottom plate 1, a slide groove 2 is opened at the top center of the bottom plate 1, two groups of sliders 3 slide symmetrically in the slide groove 2, a screw rod 4 is penetrated by the center thread of the slider 3, the screw 4 and the two groups of sliders 3 have opposite thread matching directions, and both ends of the screw 4 rotate and penetrate the side of the bottom plate 1, an L-shaped rod 5 is installed at the top center of the slider 3, and a fixed plate 6 is installed at the end of the L-shaped rod 5, a column 7 and a disc 8 are placed on the bottom plate 1, an annular groove 9 is opened at the top center of the bottom plate 1, a sliding block 10 slides in the annular groove 9, a rotating ring 11 is installed at the top of the sliding block 10, a side plate 12 is symmetrically fixed to the top of the rotating ring 11, a rotating shaft 13 is rotated on the side of the side plate 12, a mounting block 14 is fixed on the side wall of the rotating shaft 13, and a welding gun 15 is installed on the side of the mounting block 14.

[0026] In the embodiment of the utility model, the disc 8 is placed at the top center of the base plate 1, the column 7 is placed at the top center of the disc 8, the screw 4 is rotated, and the threaded cooperation of the screw 4 and the slider 3 is utilized to drive the slider 3 to move along the slide groove 2, thereby driving the two sets of fixed plates 6 to move and contact the two sides of the column 7 to fix it, and then using the welding gun 15, adjust its position through the rotating shaft 13 to perform point welding. After welding is completed, with the cooperation of the sliding block 10 and the annular groove 9, the rotating ring 11 is rotated to adjust the position of the welding gun 15 to perform multi-point welding. After welding is completed, the screw 4 is reversed to remove the column 7 and the disc 8.

[0027] In the embodiment of the utility model, by setting the slide groove 2, the slider 3, the screw 4, the L-shaped rod 5 and the fixed plate 6, the screw 4 is rotated, and the threaded cooperation of the screw 4 and the slider 3 is utilized to drive the slider 3 to move along the slide groove 2, thereby driving the two groups of fixed plates 6 to move toward each other and contact the two sides of the column 7, and fix the column 7 from both sides. Compared with the fixation from the top, the two-side fixation method is suitable for columns of various heights and has high stability; by setting the annular groove 9, the sliding block 10 and the rotating ring 11, the rotating ring 11 can be rotated with the cooperation of the sliding block 10 and the annular groove 9, so that the position of the welding gun 15 can be adjusted to perform multi-point welding, which is convenient for adjustment and use.

[0028] In one example of the utility model, the top of the slider 3 is flush with the top of the base plate 1, the annular groove 9 and the slide groove 2 are connected, the bottom end of the annular groove 9 is higher than the top end of the screw 4, the top of the sliding block 10 is flush with the top end of the base plate 1, and there are six groups of sliding blocks 10 and the circumference is evenly arranged at the bottom end of the rotating ring 11, ensuring that when the rotating ring 11 rotates, the screw 4 will not affect the rotation of the sliding block 10, and at the same time, there is always a sliding block 10 in the annular groove 9; the base plate 1 is a circular structure, and the top of the base plate 1 is provided with a through groove 16 on the circumference of the edge of the annular groove 9, and a collection frame 17 is installed inside the base plate 1. After welding is completed, the through groove 16 can be used to sweep the welding slag into the collection frame 17 for collection.

[0029] In some embodiments, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, as a preferred embodiment of the present utility model, the sliding block 10 and the rotating ring 11 are cooperated with threaded holes 18, and the threaded holes 18 are threadedly connected with connecting screws 19, and the top of the connecting screw 19 is flush with the top of the rotating ring 11, and positioning plates 20 are fixed at both ends of the L-shaped rod 5. The positioning plates 20 are respectively threadedly matched with fixing screws 21 between the sliding block 3 and the fixed plate 6, and a vertical slide groove 22 is provided at the center of the side of the fixed plate 6. The vertical slide groove 22 runs through both sides of the fixed plate 6, and a vertical sliding block 23 slides in the vertical slide groove 22. The end surface of the vertical sliding block 23 is flush with the end surface of the vertical slide groove 22, and the vertical sliding block 23 and the vertical slide groove 22 are cooperated with positioning holes 24, and a positioning screw 25 is fixed in the positioning hole 24. The positioning screw 25 and the side of the fixed plate 6 are located in the same vertical plane, the slide groove 2 runs through both sides of the bottom plate 1, and the screw rod 4 rotates and runs through a blocking block 26, and the blocking block 26 is threadedly fixed to the end of the slide groove 2.

[0030] In the embodiment of the utility model, the device is installed first, and the screw rod 4 is installed in the slide groove 2 by using the block 26 and the slider 3, and then the block 26 is threadedly fixed to the end of the slide groove 2, and then the L-shaped rod 5 is fixed to the vertical slider 23 on the side of the slider 3 and the fixed plate 6 by the fixing screw 21 and the positioning plate 20, and the rotating ring 11 is fixed to the sliding block 10 by connecting the screw 19 and the threaded hole 18, and then the vertical slider 23 and the vertical slide groove 22 are slidably matched, and the positioning hole 24 at a suitable position is selected to adjust the position of the fixed plate 6, and it is fixed by using the positioning screw 25. Then, the disc 8 is placed at the top center of the bottom plate 1, the column 7 is placed at the top center of the disc 8, the screw rod 4 is rotated, and the screw thread of the screw rod 4 and the slider 3 are used to drive the slider 3 to move along the slide groove 2, thereby driving the two sets of fixed plates 6 to move and contact the two sides of the column 7 to fix it, and then the welding gun 15 is used to adjust its position through the rotating shaft 13 to perform point welding. After welding is completed, the rotating ring 11 is rotated with the cooperation of the sliding block 10 and the annular groove 9 to adjust the position of the welding gun 15 to perform multi-point welding. After welding is completed, the screw rod 4 is reversed to remove the column 7 and the disc 8;

[0031] In the embodiment of the utility model, by providing connecting screws 19 and threaded holes 18, the rotating ring 11 is fixed to the sliding block 10 by connecting screws 19 and threaded holes 18, so as to facilitate the loading and unloading of the rotating ring 11; by providing positioning plates 20 and fixing screws 21, the L-shaped rod 5 is fixed to the vertical slider 23 on the side of the sliding block 3 and the fixing plate 6 by fixing screws 21 and positioning plates 20, so as to facilitate the loading and unloading of the L-shaped rod 5; by providing vertical slide grooves 22, vertical slide blocks 23, positioning holes 24 and positioning screws 25, by utilizing the sliding cooperation between the vertical slide blocks 23 and the vertical slide grooves 22, selecting the positioning holes 24 at appropriate positions, adjusting the position of the fixing plate 6, and fixing it by utilizing the positioning screws 25, the height of the fixing plate 6 can be adjusted, and the operation of the welding gun 15 is not affected under the premise of fixing the column 7.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements 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 the present invention.

Claims

1. A multi-layer shelf leg welding machine, comprising a bottom plate (1), characterized in that: A slide groove (2) is provided at the center of the top of the base plate (1), and two groups of sliders (3) are symmetrically slidable in the slide groove (2). A screw rod (4) is passed through the center thread of the slider (3), and the screw rod (4) and the two groups of sliders (3) are threaded in opposite directions. The two ends of the screw rod (4) are rotatably passed through the side of the base plate (1). An L-shaped rod (5) is installed at the center of the top of the slider (3), and a fixed plate (6) is installed at the end of the L-shaped rod (5). A column (7) and a disc (8) are placed on the base plate (1). An annular groove (9) is provided at the center of the top of the base plate (1), and a sliding block (10) is slidable in the annular groove (9). A rotating ring (11) is installed at the top of the sliding block (10), and a side plate (12) is symmetrically fixed at the top of the rotating ring (11). A rotating shaft (13) is rotatably provided on the side of the side plate (12). A mounting block (14) is fixed on the side wall of the rotating shaft (13), and a welding gun (15) is installed on the side of the mounting block (14).

2. The multi-layer shelf leg welding machine according to claim 1, characterized in that: The top of the slider (3) is flush with the top of the bottom plate (1), the annular groove (9) and the slide groove (2) are connected, the bottom of the annular groove (9) is higher than the top of the screw rod (4), the top of the sliding block (10) is flush with the top of the bottom plate (1), and there are six groups of sliding blocks (10) which are evenly arranged at the bottom of the rotating ring (11).

3. The multi-layer shelf leg welding machine according to claim 2 is characterized in that: The bottom plate (1) is of a circular structure, a through groove (16) is provided at the top end of the bottom plate (1) on the circumference of the edge of the annular groove (9), and a collecting frame (17) is installed inside the bottom plate (1).

4. The multi-layer shelf leg welding machine according to claim 3 is characterized in that: The sliding block (10) and the rotating ring (11) are cooperatively provided with a threaded hole (18), the threaded hole (18) is internally threadedly connected with a connecting screw (19), and the top of the connecting screw (19) is flush with the top of the rotating ring (11).

5. The multi-layer shelf leg welding machine according to claim 4, characterized in that: Positioning plates (20) are fixed to both ends of the L-shaped rod (5), and fixing screws (21) are threadedly engaged between the positioning plates (20) and the slider (3) and the fixing plate (6).

6. The multi-layer shelf leg welding machine according to claim 5, characterized in that: A vertical slide groove (22) is provided at the center of the side surface of the fixing plate (6), a vertical slider (23) slides in the vertical slide groove (22), a positioning hole (24) is provided on the vertical slider (23) and the vertical slide groove (22), a positioning screw (25) is fixed in the positioning hole (24), and the positioning screw (25) and the side surface of the fixing plate (6) are located in the same vertical plane.

7. The multi-layer shelf leg welding machine according to claim 6, characterized in that: The vertical slide groove (22) is arranged to pass through both sides of the fixed plate (6), and the end surface of the vertical sliding block (23) is flush with the end surface of the vertical slide groove (22).

8. The multi-layer shelf leg welding machine according to claim 7, characterized in that: The slide groove (2) is arranged to pass through both sides of the bottom plate (1); the screw rod (4) rotates and passes through a blocking block (26); and the blocking block (26) is threadedly fixed to the end of the slide groove (2).

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