Automatic spot welding mechanism of automatic guide rail welding machine
By designing flexible limiting devices and protective devices in the guide rail automatic welding machine, the problem of insufficient adaptability of limiting mechanisms in the prior art is solved, and stable welding and safe maintenance of objects of different shapes and sizes are achieved.
Patent Information
- Application Number
- CN202420919121.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The limiting mechanism of existing guide rail automatic welding machines is usually only suitable for objects of specific shapes and sizes, resulting in less adaptability when spot welding of objects of different shapes and models.
An automatic spot welding mechanism including sliding guide rail, cylinder, spot welding head and limiting device is designed. The limiting device consists of a threaded rod, a rectangular groove, a screw hole limiting block and a rotating block, through the rotation of the threaded rod and the screw The adjustment of the hole limit block can adapt to objects of different shapes and sizes, and improve maintenance safety through protective devices.
It improves the adaptability of the spot welding machine to objects of different shapes and sizes, ensures the stability and safety of the welding process, and at the same time enhances the limiting ability of objects of different sizes, and improves the flexibility of the spot welding machine to use.
Smart Images
Figure CN222326974U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automatic spot welding mechanisms, in particular to an automatic spot welding mechanism of a guide rail automatic welding machine. Background Art
[0002] Automatic spot welding machine is a kind of automated welding equipment. Its working principle is mainly to use electric current to pass through the contact points of the workpieces to generate high temperature, so that the metal melts quickly and forms a weld.
[0003] When using a guide rail automatic welding machine to spot weld an object, the object is usually placed on the spot welding table first and fixed by a limiting mechanism. Then the driving mechanism inside the sliding guide rail is started to drive the spot welding machine to move, and the cylinder is started to drive the spot welding head to move downward on the spot welding machine to spot weld the object. Since the limiting mechanism fixed on the spot welding table can usually only limit and fix objects of specific shapes and sizes, and the shapes and sizes of objects to be welded are usually not fixed, when spot welding objects of different shapes and models, a spot welding machine with a corresponding limiting mechanism is required to perform spot welding on them, which makes the spot welding machine less adaptable. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes an automatic spot welding mechanism for a guide rail automatic welding machine.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic spot welding mechanism of a guide rail automatic welding machine, comprising a spot welding table, a sliding guide rail is arranged on one side of the spot welding table, one side of the sliding guide rail is slidably connected to a spot welding machine body, a cylinder is fixedly connected to the top of the spot welding machine body, an output end of the cylinder is connected through a penetration connection with one side of the spot welding machine body, a spot welding head is fixedly connected to the output end of the cylinder, a limiting device is arranged on one side of the spot welding table, a protective device is arranged on one side of the spot welding head, the limiting device comprises a threaded rod, a rectangular groove is opened on one side of the spot welding table, the inner wall of the rectangular groove is threadedly connected to the threaded rod, the threads at both ends of the threaded rod are in opposite directions, both ends of the threaded rod are threadedly connected to screw hole limiting blocks, one end of the screw hole limiting block is slidably connected to the rectangular groove, and the inner wall of the screw hole limiting block is rotatably connected to a plurality of rotating blocks.
[0006] The effect achieved by the above components is: by setting the limiting device, after the object is placed on the spot welding table, the threaded rod is held and rotated to a certain position in the rectangular groove, and the two screw hole limiting blocks and several rotating blocks are driven to move in opposite directions to limit the two sides of the object. When the rotating block abuts against the surface of the object, it will rotate accordingly in the inner wall of the screw hole limiting block according to the shape of the surface of the object, so that its two ends are more closely fitted to the surface of the object, and the clamping and limiting of the surfaces of objects of different shapes are more firm and stable. At the same time, by adjusting the screw hole limiting blocks, objects of different sizes can be limited, thereby improving the adaptability of the spot welding machine body.
[0007] Preferably, one end of the threaded rod is fixedly connected to a bearing, and the outer ring of the bearing is fixedly connected to the inner wall of the rectangular groove.
[0008] The effect achieved by the above components is: by arranging the bearing, one end of the threaded rod can be limited in the rectangular groove, so that it is not easy to shake when rotating and the movement is more stable.
[0009] Preferably, one end of the threaded rod is fixedly connected to a plurality of screw blocks, and the plurality of screw blocks are arranged at equal distances.
[0010] The effect achieved by the above components is that by providing the twist block, the contact area of one end of the threaded rod can be increased, making it easier to manually hold and twist it.
[0011] Preferably, both sides of one end of the screw hole limit block are fixedly connected to limit sliders, and the inner wall of the rectangular groove is symmetrically provided with limit slots, and the limit slots are slidably connected to the limit sliders.
[0012] The effect achieved by the above components is: by setting the limiting slider and the limiting groove, both sides of one end of the screw hole limiting block can be limited in the inner wall of the rectangular groove, so that it is not easy to shake when sliding back and forth.
[0013] Preferably, the protective device includes a protective cover, one end of the spot welding head is fixedly connected to a U-shaped block with a clamping hole on both sides, one end of the protective cover is fixedly connected to an elastic clamping block on both sides, the elastic clamping block is inserted in the inner wall of the U-shaped block with the clamping hole, and the spot welding head is inserted in the inner wall of the protective cover.
[0014] The effect achieved by the above components is: by setting up the protective device, when the spot welding head is not used for spot welding processing, the protective cover can be manually held and covered on the outer surface of the spot welding head, and then the two elastic clamping blocks on one end are respectively clamped in the inner walls of the two clamping hole U-shaped blocks, and the protective cover is limited on one side of the spot welding head, and it is completely protected and fixed. When it is not in use, if it is subjected to maintenance operations, the sharp part of the spot welding head is not easy to accidentally injure the maintenance personnel, thereby improving the maintenance safety.
[0015] Preferably, a connecting rope is fixedly connected to one side of the protective cover, and one end of the connecting rope is fixedly connected to one side of the spot welding machine body.
[0016] The effect achieved by the above components is that the protective cover can be limited on one side of the spot welding machine body by arranging the connecting rope, so that it is not easy to be lost when not in use.
[0017] Preferably, one side of the protective cover is fixedly connected with an L-shaped block, one side of the spot welding machine body is fixedly connected with a limiting U-shaped block, and one end of the L-shaped block is inserted into the inner wall of the limiting U-shaped block.
[0018] The effect achieved by the above components is that by arranging the L-shaped block and the limiting U-shaped block, the protective cover can be fixed and limited on one side of the spot welding machine body so that it does not hinder the spot welding operation during the spot welding process.
[0019] Preferably, a stopper is symmetrically fixedly connected to one side of the clamping hole U-shaped block, and the two stoppers are fixed on both sides of the entrance of the clamping hole U-shaped block in an inclined manner.
[0020] The effect achieved by the above components is that by setting the stopper, the area of the entrance of the U-shaped block of the card hole can be increased, so that the elastic card block can be quickly aligned and inserted.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by setting a limiting device, after the object is placed on the spot welding table, the threaded rod is held and rotated to a certain position in the rectangular groove, and then the two screw hole limiting blocks and a plurality of rotating blocks are driven to move in opposite directions, so that the two sides of the object are limited. When the rotating blocks abut against the surface of the object, corresponding rotation will occur in the inner wall of the screw hole limiting blocks according to the shape of the surface of the object, so that the two ends of the screw hole limiting blocks are more closely fitted to the surface of the object, and the clamping and limiting of the surfaces of objects of different shapes are more firmly and stably. At the same time, by adjusting the screw hole limiting blocks, objects of different sizes can be limited, so that the adaptability of the spot welding machine body can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the threaded rod of the utility model;
[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the spot welding station of the utility model;
[0026] Figure 4 for Figure 3A in the middle is an enlarged schematic diagram of the three-dimensional structure;
[0027] Figure 5 It is a three-dimensional structural schematic diagram of the protective cover of the utility model.
[0028] Legend: 1. Spot welding table; 2. Limit device; 3. Protective device; 4. Sliding guide rail; 5. Spot welding machine body; 6. Cylinder; 7. Spot welding head; 21. Rectangular groove; 22. Threaded rod; 23. Screw hole limit block; 24. Rotating block; 25. Bearing; 26. Twist block; 27. Limit slider; 28. Limit groove; 31. Clamp hole U-shaped block; 32. Protective cover; 33. Elastic clamp block; 34. Connecting rope; 35. L-shaped block; 36. Limit U-shaped block; 37. Stop block. DETAILED DESCRIPTION
[0029] Embodiment 1, as Figure 1-5 As shown, an automatic spot welding mechanism of a guide rail automatic welding machine comprises a spot welding platform 1, a sliding guide rail 4 is arranged on one side of the spot welding platform 1, a spot welding machine body 5 is slidably connected to one side of the sliding guide rail 4, a cylinder 6 is fixedly connected to the top of the spot welding machine body 5, an output end of the cylinder 6 is connected through a side of the spot welding machine body 5, a spot welding head 7 is fixedly connected to the output end of the cylinder 6, a limiting device 2 is arranged on one side of the spot welding platform 1, a protective device 3 is arranged on one side of the spot welding head 7, the limiting device 2 comprises a threaded rod 22, a rectangular groove 21 is opened on one side of the spot welding platform 1, the inner wall of the rectangular groove 21 is threadedly connected to the threaded rod 22, the threads at both ends of the threaded rod 22 are in opposite directions, both ends of the threaded rod 22 are threadedly connected to a screw hole limiting block 23, one end of the screw hole limiting block 23 is slidably connected to the rectangular groove 21, and a plurality of rotating blocks 24 are rotatably connected to the inner wall of the screw hole limiting block 23. When the guide rail automatic welding machine is used to spot weld an object, the object is first placed on the spot welding table 1 between the two screw hole limit blocks 23, and then the threaded rod 22 is held and rotated to a certain position in the rectangular groove 21, and then the two screw hole limit blocks 23 and a plurality of rotating blocks 24 are driven to move in opposite directions to limit the two sides of the object. When the rotating block 24 abuts on the surface of the object, it will rotate accordingly in the inner wall of the screw hole limit block 23 according to the shape of the surface of the object, so that its two ends are more closely fitted to the surface of the object, and the clamping and limiting of the surface of objects of different shapes are more firmly and stably. At the same time, by adjusting the screw hole limit block 23, objects of different sizes can be limited, so that the adaptability of the spot welding machine body 5 can be improved, and it is convenient to spot weld objects of different shapes and sizes. During the spot welding process, the driving mechanism inside the sliding guide rail 4 can be started to drive the spot welding machine body 5 to move, and at the same time, the cylinder 6 is started to drive the spot welding head 7 to move downward on the spot welding machine body 5 to spot weld the object.
[0030] Reference Figure 2 and Figure 3As shown, this embodiment discloses that one end of the threaded rod 22 is fixedly connected to a bearing 25, and the outer ring of the bearing 25 is fixedly connected to the inner wall of the rectangular groove 21. By providing the bearing 25, one end of the threaded rod 22 can be limited in the rectangular groove 21, so that it is not easy to shake when rotating, and the movement is more stable. One end of the threaded rod 22 is fixedly connected to a plurality of screw blocks 26, and the plurality of screw blocks 26 are arranged at equal distances. By providing the screw blocks 26, the contact area of one end of the threaded rod 22 can be increased, so that it is convenient to manually hold and screw it.
[0031] Reference Figure 2 and Figure 3 As shown, the present embodiment discloses that both sides of one end of the screw hole limit block 23 are fixedly connected to the limit slider 27, and the inner wall of the rectangular groove 21 is symmetrically provided with the limit slot 28, and the limit slot 28 is slidably connected to the limit slider 27. By providing the limit slider 27 and the limit slot 28, both sides of one end of the screw hole limit block 23 can be limited in the inner wall of the rectangular groove 21, so that it is not easy to shake when sliding back and forth.
[0032] Reference Figure 4 and Figure 5 As shown, the present embodiment discloses that the protective device 3 includes a protective cover 32, and both sides of one end of the spot welding head 7 are fixedly connected with a clamping hole U-shaped block 31, and both sides of one end of the protective cover 32 are fixedly connected with an elastic clamping block 33, and the elastic clamping block 33 is inserted in the inner wall of the clamping hole U-shaped block 31, and the spot welding head 7 is inserted in the inner wall of the protective cover 32. When the spot welding head 7 is not used for spot welding, the protective cover 32 can be manually held to cover the outer surface of the spot welding head 7, and then the two elastic clamping blocks 33 on one end are respectively clamped in the inner walls of the two clamping hole U-shaped blocks 31, and the protective cover 32 is limited on one side of the spot welding head 7, and it is completely protected and fixed, so that when it is not in use, if it is subjected to maintenance operations, the sharp part of the spot welding head 7 is not easy to accidentally injure the maintenance personnel, thereby improving the maintenance safety.
[0033] Reference Figure 4 and Figure 5As shown, the present embodiment discloses that one side of the protective cover 32 is fixedly connected with a connecting rope 34, and one end of the connecting rope 34 is fixedly connected to one side of the spot welding machine body 5. By setting the connecting rope 34, the protective cover 32 can be limited on one side of the spot welding machine body 5, so that it is not easy to be lost when not in use. One side of the protective cover 32 is fixedly connected with an L-shaped block 35, and one side of the spot welding machine body 5 is fixedly connected with a limited U-shaped block 36, and one end of the L-shaped block 35 is inserted in the inner wall of the limited U-shaped block 36. By setting the L-shaped block 35 and the limited U-shaped block 36, the protective cover 32 can be fixedly limited on one side of the spot welding machine body 5, so that it does not hinder the spot welding operation when the spot welding process is performed. One side of the clamping hole U-shaped block 31 is symmetrically fixedly connected with a stopper 37, and the two stoppers 37 are fixed on both sides of the entrance of the clamping hole U-shaped block 31 in an inclined manner. By providing the stopper 37, the area of the entrance of the U-shaped block 31 of the clamping hole can be increased, so that the elastic clamping block 33 can be quickly aligned and clamped in.
[0034] Working principle: when using the guide rail automatic welding machine to spot weld an object, first place the object on the spot welding table 1 between the two screw hole limit blocks 23, then hold the screw block 26 to rotate the threaded rod 22 and the bearing 25 in the rectangular groove 21 to a certain position, and then drive the two screw hole limit blocks 23 and a plurality of rotating blocks 24 to move in opposite directions to limit the two sides of the object. When the rotating block 24 abuts against the surface of the object, it will rotate accordingly in the inner wall of the screw hole limit block 23 according to the shape of the surface of the object, so that The two ends are more closely fitted to the surface of the object, and the clamping and limiting of the surfaces of objects of different shapes are more firmly and stably performed. At the same time, by adjusting the screw hole limiting block 23, objects of different sizes can be limited, thereby improving the adaptability of the spot welding machine body 5 and facilitating the spot welding process of objects of different shapes and sizes. During the spot welding process, the driving mechanism inside the sliding guide rail 4 can be started to drive the spot welding machine body 5 to move, and at the same time, the cylinder 6 can be started to drive the spot welding head 7 to move downward on the spot welding machine body 5 to perform spot welding process on the object.
[0035] When the spot welding head 7 is not in use for spot welding, the protective cover 32 can be manually held to cover the outer surface of the spot welding head 7, and then the two elastic clamping blocks 33 on one end are respectively clamped in the inner walls of the two clamping holes of the U-shaped block 31, and the protective cover 32 is limited on one side of the spot welding head 7, and it is completely protected and fixed. When it is not in use, if it is maintained, the sharp part of the spot welding head 7 is not easy to accidentally injure the maintenance personnel, thereby improving the maintenance safety. When in use, it can be removed, and the L-shaped block 35 on one side is clamped into the inner wall of the limiting U-shaped block 36, and the protective cover 32 can be fixed and limited on one side of the spot welding machine body 5, so that it does not hinder the spot welding operation during spot welding.
Claims
1. An automatic spot welding mechanism of a guide rail automatic welding machine, comprising a spot welding station (1), characterized in that: A sliding guide rail (4) is provided on one side of the spot welding platform (1), one side of the sliding guide rail (4) is slidably connected to a spot welding machine body (5), a cylinder (6) is fixedly connected to the top of the spot welding machine body (5), an output end of the cylinder (6) is connected to one side of the spot welding machine body (5), a spot welding head (7) is fixedly connected to the output end of the cylinder (6), a limiting device (2) is provided on one side of the spot welding platform (1), a protective device (3) is provided on one side of the spot welding head (7), and the The limiting device (2) comprises a threaded rod (22), a rectangular groove (21) is provided on one side of the spot welding platform (1), the inner wall of the rectangular groove (21) is threadedly connected to the threaded rod (22), the threads at both ends of the threaded rod (22) are in opposite directions, both ends of the threaded rod (22) are threadedly connected to a screw hole limiting block (23), one end of the screw hole limiting block (23) is slidably connected to the rectangular groove (21), and the inner wall of the screw hole limiting block (23) is rotatably connected to a plurality of rotating blocks (24).
2. The automatic spot welding mechanism of the guide rail automatic welding machine according to claim 1, characterized in that: One end of the threaded rod (22) is fixedly connected to a bearing (25), and the outer ring of the bearing (25) is fixedly connected to the inner wall of the rectangular groove (21).
3. The automatic spot welding mechanism of the guide rail automatic welding machine according to claim 1, characterized in that: One end of the threaded rod (22) is fixedly connected to a plurality of screw blocks (26), and the plurality of screw blocks (26) are arranged at equal distances.
4. The automatic spot welding mechanism of the guide rail automatic welding machine according to claim 1, characterized in that: Both sides of one end of the screw hole limit block (23) are fixedly connected to limit sliders (27); the inner wall of the rectangular groove (21) is symmetrically provided with limit grooves (28); the limit grooves (28) are slidably connected to the limit sliders (27).
5. The automatic spot welding mechanism of the guide rail automatic welding machine according to claim 1, characterized in that: The protective device (3) comprises a protective cover (32), one end of the spot welding head (7) is fixedly connected to a clamping hole U-shaped block (31) on both sides, one end of the protective cover (32) is fixedly connected to an elastic clamping block (33) on both sides, the elastic clamping block (33) is inserted into the inner wall of the clamping hole U-shaped block (31), and the spot welding head (7) is inserted into the inner wall of the protective cover (32).
6. The automatic spot welding mechanism of the guide rail automatic welding machine according to claim 5, characterized in that: A connecting rope (34) is fixedly connected to one side of the protective cover (32), and one end of the connecting rope (34) is fixedly connected to one side of the spot welding machine body (5).
7. The automatic spot welding mechanism of the guide rail automatic welding machine according to claim 5, characterized in that: One side of the protective cover (32) is fixedly connected to an L-shaped block (35), one side of the spot welding machine body (5) is fixedly connected to a limiting U-shaped block (36), and one end of the L-shaped block (35) is inserted into the inner wall of the limiting U-shaped block (36).
8. The automatic spot welding mechanism of the guide rail automatic welding machine according to claim 5, characterized in that: A stopper (37) is symmetrically fixedly connected to one side of the clamping hole U-shaped block (31), and the two stoppers (37) are fixed in an inclined manner on both sides of the entrance of the clamping hole U-shaped block (31).