CN114434078A - A fixture and welding device for welding furniture parts - Google Patents

Abstract

The utility model belongs to the technical field of furniture accessory machine tooling technique and specifically relates to a furniture accessory is anchor clamps and welding set for welding is related to, and it includes two frames, two rotate between the frame and install and rotate the seat, the top of rotating the seat is used for fixed metal support, frame internally mounted has and is used for the drive rotate seat pivoted drive assembly, install outside one side of frame and be used for welded welding robot. This application has the effect that promotes welding effect, simplifies the operating procedure.

Description

A fixture and welding device for welding furniture parts

technical field

The present application relates to the technical field of furniture fitting machining, and in particular, to a furniture fitting welding fixture and a welding device.

Background technique

A table is a common piece of furniture, and in today's society, tables are mostly assembled and combined from two separate parts, one part is a metal bracket, and the rest is a tabletop made of other materials. When the metal brackets are manufactured, due to the different shapes and volumes, the cost and difficulty of one-time molding are relatively high, so the metal brackets are usually assembled by welding. With the advancement of science and technology and the improvement of technology, in the manufacturing process, welding robots are gradually used for welding, and for welding robots, to achieve welding assembly, it is usually used in conjunction with fixtures.

In the prior art, the clamp is made of a plywood fixed on the base. During welding, the material needs to be put into the plywood to be fixed, and then a welding robot is used to weld one side first, and after the preliminary welding and fixing are completed, the The metal bracket is replaced to the other side for welding, and finally the overall welding work is completed.

In view of the above-mentioned related technologies, the inventor believes that the existing fixture needs to turn the metal bracket during the welding process, and after the surface is turned, the position of the fixture needs to be reset to zero again, which is cumbersome and prone to errors. The welding position is offset and the welding effect is not ideal.

SUMMARY OF THE INVENTION

In order to improve the welding effect and simplify the operation steps, the present application provides a fixture and a welding device for welding furniture accessories.

A fixture and a welding device for welding furniture accessories provided by the application adopt the following technical solutions:

In the first aspect, a welding device for welding furniture accessories includes two frames, a rotating seat is rotatably installed between the two frames, the top of the rotating seat is used to fix a metal bracket, and the inside of the frame is A drive assembly for driving the rotating base to rotate is installed, and a welding robot for welding is installed outside one side of the frame.

By adopting the above technical solution, during processing, the metal bracket is fixed on the rotating seat, and the metal bracket is welded by a welding robot. The other side of the metal bracket is inclined at the lower position of the welding robot, and then the metal bracket is welded until the whole metal bracket has completed the welding operation, so that the metal bracket can be easily turned, eliminating the need for repeated installation steps. work efficiency.

Optionally, an oiling assembly is installed on the top of the rotating base, the oiling assembly includes a lifting cylinder and a ring, the lifting cylinder is installed on the top of the rotating base, the lifting cylinder is vertically arranged, and all the lifting cylinders are installed vertically. The telescopic rod of the lift cylinder is fixedly connected to the top of the rotating seat, the top surface of the ring is fixedly connected to the cylinder body of the lift cylinder, the inner side of the ring is provided with an annular limit groove, the annular A moving box is slidably arranged in the limiting groove, and a driving device is installed inside the moving box, and the driving device is used to drive the moving box to move in the circumferential direction along the annular limiting groove, and the moving box faces The outer side wall is fixedly connected with an atomizing nozzle, and an oil storage tank is connected and installed on the top of the atomizing nozzle.

By adopting the above technical solution, the oiling assembly can be set up to drive the ring up and down through the lifting cylinder. At this time, the driving device is activated to drive the moving box to move in the circumferential direction along the annular limit groove, and the metal bracket is sprayed and welded by the atomizing nozzle. Oil operation, which can facilitate the welding process, and at the same time have a protective effect and prevent oxidation reactions.

Optionally, the drive device includes a servo motor and a long-axis gear, the long-axis gear is rotatably installed in the moving box, and a part of the long-axis gear extends out of the moving box toward the annular limit. Outside one side wall of the groove bottom, the groove bottom of the annular limit groove is correspondingly provided with a toothed groove belt, the toothed groove belt is engaged with the long axis gear, and the servo motor is installed on the Inside the moving box, and the drive shaft of the servo motor is fixedly installed with a spur gear, the spur gear meshes with the long shaft gear.

By adopting the above technical solution, when the servo motor is started, the servo motor can drive the spur gear to rotate and drive the long-axis gear to rotate, so as to drive the moving box along the annular limit groove through the meshing relationship between the long-axis gear and the toothed groove belt. move.

Optionally, the drive assembly includes a drive motor, the drive motor is installed in the frame, an output shaft of the drive motor is coaxially fixedly connected with a driving gear, and the rotating seat is located at one end in the frame A connecting shaft is fixed, the connecting shaft is rotatably connected with the frame, and a driven gear is fixedly connected to the connecting shaft coaxially, and the driving gear and the driven gear are meshed with each other.

By adopting the above technical solution, when the driving motor is started, the driving motor can drive the driving gear to rotate, and through the meshing relationship between the driven gear and the driving gear, the rotating base is driven to rotate and the chassis is driven to turn, thereby driving the fixed on the chassis. The metal bracket rotates to realize the function of the driving component driving the rotating base to rotate.

In a second aspect, a fixture for welding furniture fittings, applied to the above-mentioned welding device for welding furniture fittings, includes a base frame, the base frame is mounted on the top of the rotating seat, and the inner side of the base frame is A load-bearing rod is fixed along the length direction, and two fixed rods are fixed between the inner side of the bottom frame and the load-bearing rod, and the two fixed rods are symmetrically arranged along the center line of the load-bearing rod, and the two fixed rods are arranged symmetrically. The top of the fixing rod is respectively fixed with a first positioning frame and a second positioning frame, and the first positioning frame and the second positioning frame are symmetrically arranged along the center line of the bottom frame, and the first positioning frame and the A connecting frame is fixedly arranged between the second positioning frames, two diagonal struts are correspondingly arranged on the top of the bottom frame, and one end of the diagonal strut is fixedly connected with the top of the bottom frame, and the diagonal bracing The other end of the rod is fixedly connected with the bottom of the connecting frame, the top of the connecting frame is fixed with a splint, the splint and the connecting frame are arranged perpendicular to each other, and the splint is used to fix the connecting plate, so A connecting rod is fixed between the inner side of the chassis and the load-bearing rod, and the connecting rod is located on the side of the load-bearing rod away from the fixing rod, and a first quick clamp is installed on the top of the connecting rod, A second quick clamp is fixedly installed at one end of the splint away from the connecting frame.

Optionally, the first positioning frame includes a frame body plate, the top of the fixing rod is vertically installed on the frame body plate, and the top of the frame body plate is provided with a first positioning rod, and the first positioning rod is One end is fixedly connected with the top end of the frame plate, and the other end of the first positioning rod is fixedly connected with a second positioning rod, and the other end of the second positioning rod is fixedly connected with the side wall of the bottom frame.

Optionally, the top of the load-bearing rod is fixedly provided with multiple support rods, the side walls of the support rod are fixedly connected with the top of the load-bearing rod, and the multiple support rods are arranged along the load-bearing rod. The length direction is arranged in an arrangement.

By adopting the above technical solution, the arrangement of the support rod can separate the top support plate and the load-bearing rod to form a gap, which is beneficial to the cooling effect of the top support plate during the welding process and improves the welding efficiency.

Optionally, a positioning block is fixed on the top of the load-bearing rod.

By adopting the above technical solution, the positioning block can position the metal bracket, thereby facilitating the staff to place the metal bracket and improving the stability of the metal bracket during the welding process.

Optionally, a reinforcing rod is fixedly connected between the frame body plate and the second positioning rod, and the first locking component and the first locking assembly are respectively provided on the side surface of the frame body plate and the top of the reinforcing rod. The second locking assembly includes a first fixing bolt and a first rotating nut, one end of the first fixing bolt is fixed on the side wall of the frame body plate, and the first rotating nut It is threadedly connected with the first fixing bolt, and the side wall of the first rotating nut is fixedly connected with an L-shaped rod.

By adopting the above technical solution, during use, rotating the L-shaped rod drives the first rotating nut to rotate, so that the first rotating nut can drive the L-shaped rod to move back and forth along the direction of the first fixing bolt toward the frame body plate, and the second rotating nut can be driven to reciprocate. A plate is pressed or loosened, so that the metal bracket can be locked and fixed.

Optionally, a positioning bolt is provided on one side of the clamping plate, a threaded hole is provided through the side wall of the clamping plate, and the positioning bolt is threadedly matched with the threaded hole.

By adopting the above technical solution, when placing the metal bracket, firstly rotate the positioning bolt so that the part of the positioning bolt protrudes from the other side of the threaded hole, then align the metal bracket with the positioning bolt, and rotate the second quick clamp The pliers clamp and fix the connecting plate, thereby realizing the fast positioning and fixing of the metal bracket.

To sum up, the present application includes at least one of the following beneficial technical effects:

During processing, the metal bracket is fixed on the rotating seat, and the metal bracket is welded by a welding robot. When the welding of one side is completed, the Penguin East drive component controls the rotating seat to rotate, so that the other side of the metal bracket is It is tilted to the lower position of the welding robot, and then the metal bracket is welded until the entire metal bracket has completed the welding operation, so that the metal bracket can be easily turned, eliminating the need for repeated installation steps and improving work efficiency;

The setting of the oiling assembly can drive the ring up and down through the lifting cylinder. At this time, the driving device is started to drive the moving box to move circumferentially along the ring limit groove, and the metal bracket is sprayed and welded with oil through the atomizing nozzle, which can promote the Welding process, and chemical substances that have a protective effect and prevent oxidation reactions;

The setting of the support rod can separate the top support plate and the load-bearing rod to form a gap, which is beneficial to the cooling effect of the top support plate during the welding process and improves the welding efficiency;

The setting of the positioning block can locate the metal bracket, so as to facilitate the staff to place the metal bracket, which is beneficial to improve the stability of the metal bracket during the welding process;

The setting of the first locking assembly can drive the first rotating nut to rotate by rotating the L-shaped rod during use, so that the first rotating nut can drive the L-shaped rod to move back and forth along the direction of the first fixing bolt toward the frame body plate. , and the action of pressing or loosening the first support plate, so that the metal bracket can be locked and fixed.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a metal stent in an embodiment of the present application.

FIG. 2 is a schematic diagram of the overall structure of a furniture fitting welding fixture and a welding device according to an embodiment of the present application.

FIG. 3 is a schematic diagram of the overall structure of a furniture fitting welding fixture and a welding device in an embodiment of the present application after the fuel injection components are hidden.

4 is a schematic diagram of the overall structure of a furniture fitting welding fixture and a welding device in an embodiment of the present application after hiding the fuel injection assembly and part of the frame structure.

FIG. 5 is a schematic diagram of the internal structure of a fixture for welding furniture fittings and a driving device of a welding device in an embodiment of the present application.

FIG. 6 is an enlarged view of part A of FIG. 3 .

Description of reference numbers:

1. The first support plate; 2. The second support plate; 3. The connecting plate; 4. The top support plate; Body plate; 72, first positioning rod; 73, second positioning rod; 74, reinforcing rod; 75, supporting rod; 76, supporting rod; 8, second positioning frame; 9, connecting frame; 10, diagonal strut ; 11, splint; 12, connecting rod; 13, the first quick clamp; 14, the support rod; 15, the positioning block; 16, the limit block; 17, the second quick clamp; 18, the positioning bolt; 19, 191, first fixing bolt; 192, first rotating nut; 193, L-shaped rod; 20, second locking assembly; 201, second fixing bolt; 202, second rotating nut; 21, Stabilizer bar; 22, steering adjustment assembly; 221, frame; 222, rotating seat; 23, oiling assembly; 231, lifting cylinder; 232, ring; 233, moving box; 234, atomizing nozzle; 235, oil storage Tank; 24, welding robot; 25, drive assembly; 251, drive motor; 252, driving gear; 253, driven gear; 26, drive device; 261, servo motor; 262, long shaft gear; 263, spur gear; 264 , Toothed groove belt.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-5.

The embodiment of the present application discloses a furniture fitting welding fixture and a welding device, which are used in the welding of a metal bracket. Specifically, referring to FIG. 1 , a metal bracket includes a first support plate 1 and a second support plate 2 , a connecting plate 3 is arranged between the first supporting plate 1 and the second supporting plate 2, the first supporting plate 1 and the second supporting plate 2 are fixedly connected by the connecting plate 3, and the first supporting plate 1 and the second supporting plate 2 Symmetrically arranged along the central axis of the connecting plate 3, a top support plate 4 is fixedly connected to one side end of the first support plate 1 and the second support plate 2, and the top support plate 4 is used for assembling and fixing with the desktop, thereby making into a table.

In the first aspect, referring to FIGS. 2 and 3 , a fixture for welding furniture fittings includes a base frame 5 , a load-bearing rod 6 is fixed on the inner side of the base frame 5 along the length direction, and the load-bearing rod 6 is used to support the top support plate 4 . Two fixing rods 61 are fixed between the inner side of the bottom frame 5 and the bearing rod 6, the two fixing rods 61 are symmetrically arranged along the center line of the bearing rod 6, and the tops of the two fixing rods 61 are respectively fixed with a first positioning frame 7 and the second positioning frame 8, the first positioning frame 7 is used for positioning the first support plate 1, the second positioning frame 8 is used for positioning the second support plate 2, and the first positioning frame 7 and the second positioning frame The frame 8 is arranged symmetrically along the center line of the base frame 5 . A connecting frame 9 is fixedly arranged between the first positioning frame 7 and the second positioning frame 8 , two diagonal struts 10 are correspondingly arranged on the top of the bottom frame 5 , and one end of the diagonal struts 10 is fixedly connected to the top of the bottom frame 5 , the other end of the diagonal strut 10 is fixedly connected with the bottom of the connecting frame 9 , so that the two diagonal struts 10 respectively support the two ends of the connecting frame 9 and improve the installation stability of the connecting frame 9 . A splint 11 is fixed on the top of the connecting frame 9 , the splint 11 and the connecting frame 9 are arranged perpendicular to each other, and the splint 11 is used to fix the connecting plate 3 . A connecting rod 12 is fixed between the inner side of the chassis 5 and the load-bearing rod 6, and the connecting rod 12 is located on the side of the load-bearing rod 6 away from the fixing rod 61, and a first quick clamp 13 is installed on the top of the connecting rod 12. The clamps 13 are used to clamp and fix the top support plate 4 .

3 and 4 , the top of the bearing bar 6 is fixedly provided with a plurality of bearing bars 14 , the side walls of the bearing bars 14 are fixedly connected with the top of the bearing bar 6 , and the plurality of bearing bars 14 are arranged along the Arranged in the length direction. Therefore, the top support plate 4 and the load-bearing rod 6 can be separated to form a gap, which is beneficial to the cooling effect of the top support plate 4 during the welding process and improves the welding efficiency.

3 and 4 , the top of the load-bearing rod 6 is fixedly provided with a positioning block 15 , and a positioning hole is correspondingly opened on the side of the top support plate 4 , and the positioning hole is inserted and matched with the positioning block 15 , so as to facilitate the positioning of the top support plate 4 . The top of the load-bearing rod 6 is provided with a limit block 16 , the limit block 16 is arranged on the side of the load-bearing rod 6 away from the positioning block 15 , and the width of the limit block 16 is greater than that of the support rod 14 . When the top support plate 4 is placed on the top surface of the load-bearing rod 6, the positioning block 15 is inserted into the positioning hole, and the side wall of the top support plate 4 can abut against the side wall of the limit block 16 at this time, so as to support the top support The plate 4 acts as a limit, reducing the movement of the top support plate 4 on the top of the load-bearing rod 6 and further improving the stability of the placement of the top support plate 4 .

Referring to FIGS. 3 and 4 , a second quick clamp 17 is fixedly installed at one end of the splint 11 away from the connecting frame 9 , which can clamp and fix the connecting plate 3 . In order to improve the stability of the placement of the connecting plate 3, one side of the clamping plate 11 is provided with a positioning bolt 18, the side wall of the clamping plate 11 is provided with a threaded hole, the positioning bolt 18 is threaded with the threaded hole, and the side wall of the connecting plate 3 correspondingly penetrates through A socket is provided, and the positioning bolt 18 is inserted and matched with the socket. When placing the connecting plate 3, firstly turn the positioning bolt 18 so that the part of the positioning bolt 18 protrudes from the other side of the threaded hole, then align the insertion hole of the connecting plate 3 with the positioning bolt 18, and rotate the second The quick clamp 17 clamps and fixes the connecting plate 3 , thereby realizing the functions of quick positioning and fixing of the connecting plate 3 .

The structure and arrangement of the first positioning frame 7 will be described below. The structure and arrangement of the second positioning frame 8 are symmetrical with the first positioning frame 7, and will not be repeated here. 3 and 4, specifically, the first positioning frame 7 includes a frame body plate 71, the frame body plate 71 is vertically installed on the top of the fixing rod 61, and the top of the frame body plate 71 is provided with a first positioning rod 72, One end of the first positioning rod 72 is fixedly connected with the top end of the frame body plate 71 , and the other end of the first positioning rod 72 is fixedly connected with a second positioning rod 73 , and the other end of the second positioning rod 73 is connected with the side wall of the chassis 5 . Fixed connection. The first support plate 1 can be placed on the frame body plate 71 , the first positioning rod 72 and the second positioning rod 73 through the cooperative arrangement, so as to realize the stable support of the first support plate 1 .

Referring to FIG. 3 and FIG. 4 , a reinforcing rod 74 is fixedly connected between the frame body plate 71 and the second positioning rod 73 for improving the structural stability between the frame body plate 71 and the second positioning rod 73 . A support rod 75 is fixed to the side wall of the second positioning rod 73 , and the other end of the support rod 75 faces the side of the frame body plate 71 and is used to support the side wall of the first support plate 1 . The top of the fixing rod 61 is fixedly provided with a supporting rod 76 , and the other end of the supporting rod 76 is fixedly connected to the side wall of the supporting rod 75 for supporting the supporting rod 75 .

3 and 6 , a first locking assembly 19 and a second locking assembly 20 are provided on the side of the frame body plate 71 and the top of the reinforcing rod 74 respectively. The first locking assembly 19 includes a first fixing bolt 191 and a second locking assembly 19 . A rotating nut 192, one end of the first fixing bolt 191 is fixed on the side wall of the frame body plate 71, the first rotating nut 192 is threadedly connected with the first fixing bolt 191, and the side wall of the first rotating nut 192 is fixedly connected with an L-shaped The rod 193 is used to clamp the first support plate 1 . When in use, rotating the L-shaped rod 193 drives the first rotating nut 192 to rotate, so that the first rotating nut 192 can drive the L-shaped rod 193 to reciprocate along the direction of the first fixing bolt 191 toward the frame body plate 71, and the One plate 1 performs the action of pressing or loosening, so as to improve the fixing effect of the first plate 1 during the welding process. The second locking assembly 20 includes a second fixing bolt 201 and a second rotating nut 202 . One end of the second rotating bolt is fixed on the top of the reinforcing rod 74 . It should be noted that the structure and arrangement of the second locking assembly 20 are the same as those of the first locking assembly 19 , which will not be repeated here.

Referring to FIG. 4 , in order to further improve the stability between the frame body plate 71 and the second positioning rod 73 , the side wall of the second positioning rod 73 is fixedly connected with the stabilizer bar 21 , and the other end of the stabilizer bar 21 is connected to the frame body plate 71 . fixed connection to the side walls.

In the second aspect, referring to FIG. 2 , the present application also discloses a welding device for welding furniture fittings, which includes a steering adjustment assembly 22 , an oiling assembly 23 and a welding robot 24 . Specifically, the steering adjustment assembly 22 includes two frames 221 , a rotating base 222 is rotated between the two frames 221 , and the bottom frame 5 is correspondingly and fixedly installed on the top of the rotating base 222 . A drive assembly 25 for driving the rotating base 222 to rotate is installed inside the frame 221 .

Referring to, 4, the driving assembly 25 includes a driving motor 251, the driving motor 251 is installed in the frame 221 on one side, and the output shaft of the driving motor 251 is coaxially fixedly connected with the driving gear 252, and the corresponding end of the rotating seat 222 passes through A driven gear 253 is fixedly connected to the connecting shaft coaxially. The driven gear 253 is located in the frame 221 on one side of the driving motor 251 , and the driven gear 253 and the driving gear 252 mesh with each other. Therefore, when the driving motor 251 is started, the driving motor 251 can drive the rotating base 222 to rotate and drive the base frame 5 to turn, thereby driving the metal bracket fixed on the base frame 5 to rotate, so that the metal support can be easily turned. Eliminate installation steps and improve work efficiency.

2 and 5 , the oiling assembly 23 includes a lifting cylinder 231 and a circular ring 232. In this embodiment, there are four lifting cylinders 231, and the four lifting cylinders 231 are installed on the top of the rotating seat 222 in the shape of Matrix settings. Specifically, the lift cylinder 231 is arranged vertically, and the telescopic rod of the lift cylinder 231 is fixedly connected to the top of the rotating base 222 . The top surface of the ring 232 is fixedly connected with the cylinder of the lifting cylinder 231, and the ring 232 is arranged around the peripheral side of the clamp, so that when the telescopic rod of the lifting cylinder 231 is lifted and lowered, the ring 232 can be driven to lift. The inner side of the ring 232 is provided with an annular limit groove, and a movable box 233 is slidably arranged in the annular limit groove. A driving device 26 is installed inside the movable box 233 for driving the movable box 233 to move circumferentially along the annular limit groove. move. An atomizing nozzle 234 is fixedly connected to the outer side wall of the mobile box 233, and an oil storage tank 235 is connected to the top of the atomizing nozzle 234. The oil storage tank 235 is filled with welding oil, which can be atomized before welding. The spray head 234 sprays the welding oil on the metal bracket, so as to facilitate the welding process, and at the same time, it has a chemical substance that has a protective effect and prevents oxidation reaction. At the same time, the setting of the support rod 14 can separate the top support plate 4 and the load-bearing rod 6 to form a gap, which is convenient for discharging the welding oil and reduces the flow of welding oil between the top support plate 4 and the load-bearing rod 6. A vacuum is formed, which makes it difficult to reach.

2 and 5 , the driving device 26 includes a servo motor 261 and a long-axis gear 262. The long-axis gear 262 is rotatably installed in the moving box 233, and a part of the long-axis gear 262 extends out of the moving box 233 toward the annular limit groove. Outside one side wall of the bottom, the groove bottom of the annular limiting groove is correspondingly provided with a toothed groove belt 264 to engage with the long axis gear 262 . The servo motor 261 is installed inside the moving box 233 , and the drive shaft of the servo motor 261 is fixedly installed with a spur gear 263 , and the spur gear 263 meshes with the long shaft gear 262 . When the servo motor 261 is started, the servo motor 261 can drive the spur gear 263 to rotate and drive the long-axis gear 262 to rotate, so as to drive the moving box 233 to move along the annular limit groove through the meshing relationship between the long-axis gear 262 and the toothed groove belt 264 It moves in a circular motion and is driven by the lifting cylinder 231 to realize the omnidirectional spraying operation on the metal bracket. The welding robot 24 is installed outside one side of the rotating base 222 and is used for welding the metal bracket. Since the welding robot 24 is in the prior art, it will not be repeated here.

The implementation principle of a welding device for welding furniture fittings in the embodiment of the present application is as follows:

Install the metal bracket on the fixture, then start the oiling component 23 to pre-process the metal bracket by spraying welding oil, then start the welding robot 24 to weld one side of the metal bracket, and when the welding is completed, start the steering adjustment component 22 Rotate and adjust the rotating seat 222, so that the rotating seat 222 is in an inclined state, which is convenient to set the other side of the metal bracket in an inclined position below the welding robot 24, and then perform welding work on the metal bracket until the whole metal bracket is completed. The welding operation can save the step of adjusting the surface of the metal bracket during the welding process, and the welding can be completed in one time, thereby improving the accuracy of the overall welding position and the working efficiency of the welding.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (10)

1. The utility model provides a furniture accessory welding set for welding which characterized in that: two frames (221), two rotate between frame (221) and install and rotate seat (222), the top of rotating seat (222) is used for fixed metal support, frame (221) internally mounted has and is used for the drive rotate seat (222) pivoted drive assembly (25), install outside one side of frame (221) and be used for welded welding robot (24).

2. The welding device for welding furniture fittings according to claim 1, wherein: the oiling component (23) is installed at the top of the rotating seat (222), the oiling component (23) comprises a lifting cylinder (231) and a circular ring (232), the lifting cylinder (231) is installed at the top of the rotating seat (222), the lifting cylinder (231) is vertically arranged, a telescopic rod of the lifting cylinder (231) is fixedly connected with the top of the rotating seat (222), the top surface of the circular ring (232) is fixedly connected with a cylinder body of the lifting cylinder (231), an annular limiting groove is formed in the inner side of the circular ring (232), a movable box (233) is arranged in the annular limiting groove in a sliding mode, a driving device (26) is installed inside the movable box (233), the driving device (26) is used for driving the movable box (233) to move in the circumferential direction along the annular limiting groove, and an atomizing spray head (234) is fixedly connected to the side wall of the movable box (233) facing outwards, and the top of the atomizing nozzle (234) is communicated with and provided with an oil storage tank (235).

3. The welding device for welding furniture fittings according to claim 2, wherein: drive arrangement (26) include servo motor (261) and long axis gear (262), long axis gear (262) rotate to be installed remove in box (233), just the part of long axis gear (262) stretches out remove box (233) orientation outside one side lateral wall of annular spacing groove tank bottom, the tank bottom correspondence of annular spacing groove is provided with tooth-shaped groove belt (264), tooth-shaped groove belt (264) with long axis gear (262) mesh mutually, servo motor (261) are installed remove inside box (233), just the drive shaft fixed mounting of servo motor (261) has spur gear (263), spur gear (263) with long axis gear (262) mesh mutually.

4. The welding device for welding furniture fittings according to claim 1, wherein: the driving assembly (25) comprises a driving motor (251), the driving motor (251) is installed in the rack (221), an output shaft of the driving motor (251) is coaxially and fixedly connected with a driving gear (252), one end, located in the rack (221), of the rotating seat (222) is fixedly provided with a connecting shaft, the connecting shaft is rotatably connected with the rack (221), a driven gear (253) is coaxially and fixedly connected with the connecting shaft, and the driving gear (252) is meshed with the driven gear (253).

5. A furniture fitting welding jig applied to the furniture fitting welding device according to any one of claims 1 to 4, characterized in that: the device comprises an underframe, wherein the underframe (5) is arranged at the top of a rotating seat (222), a bearing rod (6) is fixed on the inner side of the underframe (5) along the length direction, two fixing rods (61) are fixed between the inner side of the underframe (5) and the bearing rod (6), the two fixing rods (61) are symmetrically arranged along the center line of the bearing rod (6), a first positioning frame (7) and a second positioning frame (8) are respectively fixed at the tops of the two fixing rods (61), the first positioning frame (7) and the second positioning frame (8) are symmetrically arranged along the center line of the underframe (5), a connecting frame (9) is fixedly arranged between the first positioning frame (7) and the second positioning frame (8), two inclined supporting rods (10) are correspondingly arranged at the top of the underframe (5), and one ends of the inclined supporting rods (10) are fixedly connected with the top of the underframe (5), the other end of diagonal brace (10) with the bottom fixed connection of link (9), the top of link (9) is fixed with splint (11), splint (11) with link (9) mutually perpendicular sets up, splint (11) are used for right connecting plate (3) are fixed, the inboard of chassis (5) with be fixed with connecting rod (12) between bearing bar (6), just connecting rod (12) are located bearing bar (6) are kept away from one side of dead lever (61), first active grab (13) are installed at the top of connecting rod (12), splint (11) are kept away from the one end fixed mounting of link (9) has second active grab (17).

6. The furniture fitting welding jig according to claim 5, characterized in that: the first positioning frame (7) comprises a frame body plate (71), the top of the fixing rod (61) is vertically installed on the frame body plate (71), a first positioning rod (72) is arranged at the top of the frame body plate (71), one end of the first positioning rod (72) is fixedly connected with the top end of the frame body plate (71), a second positioning rod (73) is fixedly connected with the other end of the first positioning rod (72), and the other end of the second positioning rod (73) is fixedly connected with the side wall of the bottom frame (5).

7. The furniture fitting welding jig according to claim 5, characterized in that: the top of bearing bar (6) is fixed and is provided with many bearing stick (14), the lateral wall of bearing stick (14) with the top fixed connection of bearing bar (6), and many bearing stick (14) are followed the length direction of bearing bar (6) is the range setting.

8. The furniture accessory welding jig according to claim 3, characterized in that: and a positioning block (15) is fixedly arranged at the top of the bearing rod (6).

9. The furniture fitting welding jig according to claim 1, characterized in that: the frame body plate (71) and the second positioning rod (73) are fixedly connected with a reinforcing rod (74), the side face of the frame body plate (71) and the top of the reinforcing rod (74) are respectively provided with the first locking component (19) and the second locking component (20), the first locking component (19) comprises a first fixing bolt (191) and a first rotating nut (192), one end of the first fixing bolt (191) is fixed on the side wall of the frame body plate (71), the first rotating nut (192) is in threaded connection with the first fixing bolt (191), and the side wall of the first rotating nut (192) is fixedly connected with an L-shaped rod (193).

10. The furniture fitting welding jig according to claim 1, characterized in that: one side of the clamping plate (11) is provided with a positioning bolt (18), the side wall of the clamping plate (11) is provided with a threaded hole in a penetrating mode, and the positioning bolt (18) is in threaded fit with the threaded hole.

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