Welding positioning device for metal sofa foot machining

Abstract

The invention relates to the technical field of sofa foot welding, in particular to a welding positioning device for metal sofa foot machining, which is characterized in that a storage groove is formed in the surface of a supporting seat, a storage pipe is arranged in the storage groove, a lifting screw rod is screwed in a limiting nut, a clamping plate is arranged at one end of the lifting screw rod, and a positioning ring can be placed on the surface of the supporting seat; a supporting plate is arranged on the side face of the positioning ring and sleeved with a movable sliding block. The small automatic welding device has the beneficial effects that firstly, a connecting plate is placed on the end face of the supporting column, then limiting nuts can be rotated to enable the clamping plates to move backwards, and therefore the connecting plate can be pressed downwards through the two sets of clamping plates to be matched with the fixing plate to be fixed, the connecting plate can be fixed to the end face of the supporting column, and then the small automatic welding device is fixed to the mounting plate; and therefore, the small automatic welding equipment can conveniently rotate around the supporting column by rotating the mounting plate, and the contact part of the supporting column and the connecting plate can be welded and fixed.

Description

Technical Field

[0001] The invention relates to the technical field of sofa leg welding, in particular to a welding positioning device used for processing metal sofa legs. Background Art

[0002] The sofa is an indispensable daily necessity in people's daily work, life and leisure. The sofa is mainly composed of a seat and sofa legs. The sofa legs are generally made of metal or wood. Good sofa legs play a very important role in the sofa.

[0003] Existing metal sofa support legs generally include a connecting plate and a supporting column connected to the sofa, and the two are mainly made by welding or fixing with multiple sets of positioning bolts.

[0004] However, when the sofa legs are fixed and welded, the sofa legs are first fixed using a positioning device. However, a general positioning structure requires a rotating welding machine to complete the welding of the connecting plate and the support column after positioning. During the operation, it is easy to collide with the positioning device, causing a safety accident, or the welding cannot be completed in one go.

[0005] To this end, the present invention proposes a welding positioning device for metal sofa leg processing to solve the above-mentioned problem. Summary of the invention

[0006] The object of the present invention is to provide a welding positioning device for processing metal sofa legs to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a welding positioning device for processing metal sofa legs, the welding positioning device for processing metal sofa legs comprising: a support seat, a receiving groove is provided on the surface of the support seat, a rotating plate is provided in the receiving groove, a receiving tube is provided on the surface of the rotating plate, a first bearing is provided on the end surface of the receiving tube, a limiting nut is provided on the surface of the first bearing, a lifting screw is threadedly connected in the limiting nut, and a clamping plate is provided at one end of the lifting screw;

[0008] A fixed plate, wherein two groups of fixed plates are provided, a support column can be placed between the two groups of fixed plates, a connecting plate can be placed on the end face of the support column, a positioning ring can be placed on the surface of the support seat, a support plate is provided on the side of the positioning ring, a movable slider is sleeved on the surface of the support plate, a mounting plate is provided on the surface of the movable slider, and a small automatic welding equipment can be fixed to the surface of the mounting plate by bolts.

[0009] Preferably, the storage grooves are provided with two groups, and the two groups of storage grooves are symmetrically distributed about the center point of the support seat surface. A damping bearing is arranged on the side of the storage groove, and a support rod is fixedly connected to the inner ring surface of the damping bearing. The end face of the support rod is fixedly connected to the side of the rotating plate. Two groups of support rods are arranged, and the two groups of support rods are symmetrically distributed about the rotating plate.

[0010] Preferably, a vertical plate is provided on the surface of the storage tube, and a sealing plate is provided on the end face of the vertical plate. The sealing plate is a square plate structure, and the sealing plate can cover the top of the storage groove. The first bearing is fixedly connected to the end face of the storage tube, and the clamping plate is fixedly connected to the end face of the lifting screw.

[0011] Preferably, the support seat surface is provided with moving openings, and two groups of moving openings are provided. The two groups of moving openings are symmetrically distributed about the center point of the support seat surface, and moving screws are arranged on the sides of the moving openings.

[0012] Preferably, a moving block is sleeved on the surface of the moving screw, a bearing is provided on the side of the moving block, a moving nut is provided on the surface of the bearing, the moving nut is threaded on the moving screw, a fixed plate is fixedly connected to the end face of the moving block, the fixed plate is an arc-shaped plate structure, the side of the moving block contacts the side of the moving port, and the moving block can move in the moving port.

[0013] Preferably, the support seat surface is provided with positioning holes, and there are two groups of positioning holes, which are symmetrically distributed about the fixing plate. A positioning rod is provided at the bottom of the positioning ring, and the positioning rod can be inserted into the positioning hole. The positioning ring has a semicircular structure as a whole.

[0014] Preferably, the support plate is fixedly connected to the inner side of the positioning ring, the end face of the support plate is "T"-shaped, the support plate as a whole is an arc-shaped plate structure, a slide groove is opened on the surface of the support plate, balls are arranged in the slide groove, the balls can roll in the slide groove with the help of external force, multiple groups of balls are arranged, and the multiple groups of balls are arranged in the multiple groups of slide grooves opened on the surface of the support plate.

[0015] Preferably, the movable slider can slide on the support plate, the movable slider can drive the ball to roll, the mounting plate is fixedly connected to the surface of the movable slider, the mounting plate is fixed in an inclined state, the small automatic welding equipment is fixedly connected to the end face of the mounting plate, and the surface of the support seat is fixed with a control panel by bolts, the control panel can control the small automatic welding equipment, and the small automatic welding equipment is an existing ordinary welding device.

[0016] Preferably, the lifting screw can be inserted into a receiving tube, the receiving tube, the lifting screw and the clamping plate can be received in a receiving groove, and the receiving tube is fixedly connected to the surface of the rotating plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention provides a welding positioning device for processing metal sofa legs. When in use, the clamping plate is first rotated out of the storage groove, and then the positioning ring can be fixed on the surface of the support seat, and then one end of the support column is inserted between the two groups of fixing plates, and then the connecting plate is placed on the end face of the support column, and then the limit nut can be rotated to move the clamping plate backward, so that the connecting plate can be pressed down and matched with the fixing plate by the two groups of clamping plates to fix the connecting plate, so that the connecting plate can be fixed on the end face of the support column, and then the small automatic welding equipment is fixed on the mounting plate, so that the small automatic welding equipment can be conveniently rotated around the support column by rotating the mounting plate, so that the contact part between the support column and the connecting plate can be welded and fixed, thereby avoiding the problem that the welding equipment conflicts with the positioning device and it is inconvenient to weld the connecting plate and the support column. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the device of the present invention;

[0020] Figure 2 It is a side view of the device of the present invention;

[0021] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of the device of the present invention after the connecting plate and the supporting column are removed;

[0023] Figure 5 This is a schematic diagram of the bottom structure of the device of the present invention;

[0024] Figure 6 It is a partial cross-sectional view of the device of the present invention;

[0025] Figure 7 for Figure 6 The enlarged structural diagram at B in the middle;

[0026] Figure 8 This is a schematic diagram of the structure positioning ring of the present invention;

[0027] Fig. 9 It is a cross-sectional view of the support seat of the device of the present invention;

[0028] Fig.10 for Fig. 9 Enlarged structural diagram at point C in the middle.

[0029] In the figure: 1. support seat; 2. storage groove; 3. rotating plate; 4. storage tube; 5. first bearing; 6. limit nut; 7. lifting screw; 8. clamping plate; 9. fixing plate; 10. support column; 11. connecting plate; 12. positioning ring; 13. support plate; 14. moving slider; 15. mounting plate; 16. small automatic welding equipment; 17. damping bearing; 18. support rod; 19. vertical plate; 20. sealing plate; 21. moving port; 22. moving screw; 23. moving block; 24. bearing; 25. moving nut; 26. positioning hole; 27. positioning rod; 28. ball bearing; 29. ​​control panel. DETAILED DESCRIPTION

[0030] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0034] Embodiment 1

[0035] See also Figures 1 to 10 The present invention provides a technical solution: a welding positioning device for processing metal sofa legs, the welding positioning device for processing metal sofa legs comprising: a support seat 1, a receiving groove 2 is provided on the surface of the support seat 1, a rotating plate 3 is provided in the receiving groove 2, a receiving tube 4 is provided on the surface of the rotating plate 3, a first bearing 5 is provided on the end surface of the receiving tube 4, a limiting nut 6 is provided on the surface of the first bearing 5, a lifting screw 7 is screwed in the limiting nut 6, and a clamping plate 8 is provided at one end of the lifting screw 7;

[0036] A fixing plate 9, wherein two groups of fixing plates 9 are provided, a support column 10 can be placed between the two groups of fixing plates 9, a connecting plate 11 can be placed on the end surface of the support column 10, a positioning ring 12 can be placed on the surface of the support seat 1, a support plate 13 is provided on the side of the positioning ring 12, a movable slider 14 is sleeved on the surface of the support plate 13, a mounting plate 15 is provided on the surface of the movable slider 14, and a small automatic welding device 16 can be fixedly connected to the surface of the mounting plate 15 by bolts;

[0037] First, rotate the clamping plate 8 out of the storage groove 2, and then the positioning ring 12 can be fixed on the surface of the support seat 1, and then one end of the support column 10 is inserted between the two groups of fixing plates 9, and then the connecting plate 11 is placed on the end face of the support column 10, and then the limit nut 6 can be rotated to move the clamping plate 8 backward, so that the connecting plate 11 can be pressed down and fitted with the fixing plate 9 by the two groups of clamping plates 8 to fix it, so that the connecting plate 11 can be fixed to the end face of the support column 10, and then the small automatic welding equipment 16 is fixed on the mounting plate 15, so that the small automatic welding equipment 16 can be conveniently rotated around the support column 10 by rotating the mounting plate 15, so that the contact part between the support column 10 and the connecting plate 11 can be welded and fixed, thereby avoiding the problem that the welding equipment conflicts with the positioning device and it is inconvenient to weld the connecting plate 11 and the support column 10.

[0038] Embodiment 2

[0039] On the basis of the first embodiment, in order to facilitate the bottom limit fixing of the support columns 10 of different thicknesses, a fixing plate 9 is provided, a moving opening 21 is provided on the surface of the support seat 1, and two groups of the moving openings 21 are provided, and the two groups of moving openings 21 are symmetrically distributed about the center point of the surface of the support seat 1, and a moving screw 22 is provided on the side of the moving opening 21, and a moving block 23 is sleeved on the surface of the moving screw 22, and a bearing 24 is provided on the side of the moving block 23, and a moving nut 25 is provided on the surface of the bearing 24, and the moving nut 25 is screwed on the moving screw 22, and the fixing plate 9 is fixedly connected to the end face of the moving block 23, and the fixing plate 9 is an arc-shaped plate-shaped structure, and the side of the moving block 23 contacts the side of the moving opening 21, and the moving block 23 can move in the moving opening 21;

[0040] When it is necessary to fix support columns 10 of different thicknesses during use, the movable nut 25 can be rotated in conjunction with the bearing 24 to facilitate the displacement of the movable block 23, and the spacing between the two sets of fixed plates 9 can be conveniently adjusted to facilitate the fixation of support columns 10 of different thicknesses. The side of the movable block 23 contacts the side of the movable opening 21 to avoid the problem of rotation of the movable block 23 during movement.

[0041] In order to facilitate the fixing of the positioning ring 12 on the surface of the support seat 1, a positioning rod 27 is provided. The surface of the support seat 1 is provided with positioning holes 26. There are two groups of positioning holes 26. The two groups of positioning holes 26 are symmetrically distributed about the fixing plate 9. A positioning rod 27 is provided at the bottom of the positioning ring 12. The positioning rod 27 can be inserted into the positioning hole 26. The positioning ring 12 has a semicircular structure as a whole.

[0042] In order to facilitate the subsequent movement of the small automatic welding equipment 16 during use, the positioning rod 27 can be first inserted into the positioning hole 26, and then the movable slider 14 can be sleeved on the support plate 13, and another set of positioning rings 12 can be fixed on the surface of the support seat 1 in conjunction with the positioning rod 27, so that the two sets of positioning rings 12 can be spliced ​​into a circular ring, thereby facilitating the subsequent movement of the movable slider 14 around the support column 10 for rotational welding.

[0043] Embodiment 3

[0044] On the basis of the second embodiment, in order to facilitate the positioning of the upper surface of the connecting plate 11, a clamping plate 8 is provided, two groups of storage grooves 2 are opened, and the two groups of storage grooves 2 are symmetrically distributed about the center point of the surface of the support seat 1, and a damping bearing 17 is provided on the side of the storage groove 2. The inner ring surface of the damping bearing 17 is fixedly connected with a support rod 18, and the end face of the support rod 18 is fixedly connected to the side of the rotating plate 3. Two groups of support rods 18 are provided, and the two groups of support rods 18 are symmetrically distributed about the rotating plate 3. A vertical plate 19 is provided on the surface of the storage tube 4, and a sealing plate 20 is provided on the end face of the vertical plate 19. The sealing plate 20 has a square plate-shaped structure, and the sealing plate 20 can cover the top of the storage groove 2. The first bearing 5 is fixedly connected to the end face of the storage tube 4, and the clamping plate 8 is fixedly connected to the end face of the lifting screw 7. The lifting screw 7 can be inserted into the storage tube 4, and the storage tube 4, the lifting screw 7 and the clamping plate 8 can be stored in the storage groove 2, and the storage tube 4 is fixedly connected to the surface of the rotating plate 3;

[0045] First, the rotating plate 3 can be rotated in conjunction with the damping bearing 17, and then the bottom of one end of the clamping plate 8 can be placed on the upper surface of the connecting plate 11, so that the limit nut 6 can be rotated in conjunction with the first bearing 5, and the lifting screw 7 can be displaced into the storage tube 4, so that the clamping plate 8 can press down the connecting plate 11, and the support column 10 and the connecting plate 11 can be initially fixed in conjunction with the fixing plate 9. When not in use, the storage tube 4 and the clamping plate 8 can be stored in the storage groove 2, and then the storage groove 2 can be covered by the setting of the sealing plate 20, so as to avoid the exposure of the storage groove 2 to affect the aesthetics and protect the structure in the storage groove 2.

[0046] In order to facilitate the use of small automatic welding equipment 16 to weld the support column 10 and the connecting plate 11, a support plate 13 is provided, the support plate 13 is fixedly connected to the inner side of the positioning ring 12, the end face of the support plate 13 is "T"-shaped, the support plate 13 is an arc-shaped plate structure as a whole, a slide groove is provided on the surface of the support plate 13, a ball 28 is provided in the slide groove, and the ball 28 can roll in the slide groove with the help of external force, and multiple groups of balls 28 are provided. The multiple groups of balls 28 are all arranged in the multiple groups of slide grooves provided on the surface of the support plate 13, the movable slider 14 can slide on the support plate 13, and the movable slider 14 can drive the ball 28 to roll, the mounting plate 15 is fixedly connected to the surface of the movable slider 14, and the mounting plate 15 is fixed in an inclined shape. The small automatic welding equipment 16 is fixedly connected to the end face of the mounting plate 15, and the surface of the support seat 1 is fixedly connected with a control panel 29 by bolts. The control panel 29 can control the small automatic welding equipment 16, and the small automatic welding equipment 16 is an existing ordinary welding device;

[0047] During use, when the small automatic welding equipment 16 needs to be moved, it can be displaced on the support plate 13 by setting the movable slider 14. The setting of the ball 28 can reduce the friction between the movable slider 14 and the support plate 13, making it convenient for the staff to move the small automatic welding equipment 16, thereby facilitating the welding device to rotate around the support column 10 for welding. The welding equipment is located on the inner side of the clamping plate 8, so that there will be no conflict with the clamping plate 8 when the small automatic welding equipment 16 is rotated. Then the small automatic welding equipment 16 can be adjusted and controlled for welding through the control panel 29.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding positioning device for metal sofa legs, characterized in that: The welding positioning device for processing metal sofa legs comprises: a support seat (1), a receiving groove (2) is provided on the surface of the support seat (1), a rotating plate (3) is arranged in the receiving groove (2), a receiving tube (4) is arranged on the surface of the rotating plate (3), a first bearing (5) is arranged on the end surface of the receiving tube (4), a limiting nut (6) is arranged on the surface of the first bearing (5), a lifting screw (7) is screwed in the limiting nut (6), and a clamping plate (8) is arranged at one end of the lifting screw (7); A fixing plate (9) is provided in two groups, a support column (10) can be placed between the two groups of fixing plates (9), a connecting plate (11) can be placed on the end surface of the support column (10), a positioning ring (12) can be placed on the surface of the support seat (1), a support plate (13) is provided on the side of the positioning ring (12), a movable slider (14) is sleeved on the surface of the support plate (13), a mounting plate (15) is provided on the surface of the movable slider (14), and a small automatic welding device (16) can be fixedly connected to the surface of the mounting plate (15) by bolts.

2. A welding positioning device for metal sofa legs processing according to claim 1, characterized in that: The storage grooves (2) are provided with two groups, and the two groups of storage grooves (2) are symmetrically distributed about the center point of the surface of the support seat (1). A damping bearing (17) is provided on the side of the storage groove (2), and a support rod (18) is fixedly connected to the inner ring surface of the damping bearing (17). The end surface of the support rod (18) is fixedly connected to the side of the rotating plate (3). The support rod (18) is provided with two groups, and the two groups of support rods (18) are symmetrically distributed about the rotating plate (3).

3. The welding positioning device for metal sofa legs processing according to claim 1, characterized in that: The surface of the storage tube (4) is provided with a vertical plate (19), and the end surface of the vertical plate (19) is provided with a sealing plate (20). The sealing plate (20) is a square plate structure, and the sealing plate (20) can cover the upper part of the storage groove (2). The first bearing (5) is fixedly connected to the end surface of the storage tube (4), and the clamping plate (8) is fixedly connected to the end surface of the lifting screw (7).

4. The welding positioning device for metal sofa legs processing according to claim 1, characterized in that: The support seat (1) has a surface with a movable opening (21), and the movable opening (21) has two groups, the two groups of movable openings (21) are symmetrically distributed about the center point of the surface of the support seat (1), and a movable screw (22) is arranged on the side of the movable opening (21).

5. The welding positioning device for metal sofa legs processing according to claim 4, characterized in that: The surface of the moving screw (22) is sleeved with a moving block (23), the side of the moving block (23) is provided with a bearing (24), the surface of the bearing (24) is provided with a moving nut (25), the moving nut (25) is screwed onto the moving screw (22), the fixing plate (9) is fixedly connected to the end surface of the moving block (23), the fixing plate (9) is an arc-shaped plate structure, the side of the moving block (23) contacts the side of the moving port (21), and the moving block (23) can move in the moving port (21).

6. The welding positioning device for metal sofa legs processing according to claim 1, characterized in that: The support seat (1) is provided with positioning holes (26) on its surface. The positioning holes (26) are provided in two groups. The two groups of positioning holes (26) are symmetrically distributed about the fixing plate (9). A positioning rod (27) is provided at the bottom of the positioning ring (12). The positioning rod (27) can be inserted into the positioning hole (26). The positioning ring (12) is a semicircular structure as a whole.

7. The welding positioning device for metal sofa legs processing according to claim 1, characterized in that: The support plate (13) is fixedly connected to the inner side surface of the positioning ring (12); the end surface of the support plate (13) is in a "T" shape; the support plate (13) as a whole is in an arc-shaped plate structure; a slide groove is provided on the surface of the support plate (13); a ball (28) is arranged in the slide groove; the ball (28) can roll in the slide groove with the help of external force; a plurality of groups of balls (28) are provided, and the plurality of groups of balls (28) are all arranged in the plurality of groups of slide grooves provided on the surface of the support plate (13).

8. The welding positioning device for metal sofa legs processing according to claim 1, characterized in that: The movable slider (14) can slide on the support plate (13), and the movable slider (14) can drive the ball bearing (28) to roll. The mounting plate (15) is fixedly connected to the surface of the movable slider (14), and the mounting plate (15) is fixed in an inclined state. The small automatic welding device (16) is fixedly connected to the end surface of the mounting plate (15). The surface of the support seat (1) is fixedly connected with a control panel (29) by bolts, and the control panel (29) can control the small automatic welding device (16). The small automatic welding device (16) is an existing common welding device.

9. The welding positioning device for metal sofa legs processing according to claim 1, characterized in that: The lifting screw (7) can be inserted into the storage tube (4), the storage tube (4), the lifting screw (7) and the clamping plate (8) can be stored in the storage groove (2), and the storage tube (4) is fixedly connected to the surface of the rotating plate (3).

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