Plate welding device facilitating accurate positioning

Abstract

The invention discloses a plate welding device facilitating accurate positioning, and relates to the technical field of plate welding devices. Comprising a first mounting frame, a conveying chain assembly is mounted on the first mounting frame, and a driving mechanism for driving the conveying chain assembly to move is mounted on the first mounting frame; carriers distributed at equal intervals are installed on the conveying chain assembly through supporting rods, and clamping assemblies used for clamping two to-be-welded plates are installed on the carriers. And a grinding mechanism and a welding mechanism are arranged on the motion path of the carrier. By arranging the grinding mechanism, the position of a weld joint can be ground to a certain degree before welding; in the conveying process of the conveying chain assembly, the linkage plate can be shifted through the shifting rods on the side rods, then the driving gear is driven to rotate, the grinding wheel is finally driven to conduct grinding treatment under transmission of structures such as the driven gear, and due to the fact that the diameter of the driving gear is obviously larger than that of the driven gear, relative movement between the grinding wheel and a plate can be guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of plate welding devices, and in particular to a plate welding device that is convenient for precise positioning. Background Art

[0002] In modern industrial production, the welding process of plates is a crucial link in the manufacturing industry. Whether in the field of automobile manufacturing, shipbuilding or building structures, high-quality plate welding is a key factor in ensuring product strength, sealing and overall performance. However, with the continuous improvement of production demand, the requirements for welding quality are also getting higher and higher. Traditional welding methods can no longer meet the dual requirements of modern industry for quality and efficiency.

[0003] In the prior art, such as the application scheme of Chinese patent application number CN202122777558.9, a hardware sheet welding device is disclosed, which relates to the field of hardware sheet processing technology; it includes a base, one end of the base is fixedly connected with a bracket at intervals, the end of the bracket away from the base is fixedly connected with a support plate, the end of the base away from the bracket is fixedly connected with legs on both sides, the welding mechanism is fixedly connected to the end of the support plate close to the base, the rotating mechanism is fixedly connected to the side of the bracket, and the clamping mechanism is fixedly connected to the side of the rotating mechanism. The hardware sheet welding device in the above-mentioned document has the following shortcomings: when welding multiple groups of plates, it is necessary to load and unload them in sequence, the operation is cumbersome, the efficiency is low, and there is room for improvement. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a plate welding device that is easy to accurately position.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A plate welding device that facilitates precise positioning, comprising: a first mounting frame, a conveyor chain assembly is mounted on the first mounting frame, a driving mechanism for driving the conveyor chain assembly to move is mounted on the first mounting frame; carriers distributed at equal distances are mounted on the conveyor chain assembly through support rods, and a clamping assembly for clamping two plates to be welded is mounted on the carrier; A grinding mechanism and a welding mechanism are provided on the moving path of the carrier, and the grinding mechanism includes: A second mounting frame, on which a grinding wheel bracket is mounted, a plurality of grinding wheels are detachably and rotatably mounted at the bottom of the grinding wheel bracket, and the grinding wheels are located on the motion path of the two plate welds; the plurality of grinding wheels are connected through a synchronous wheel transmission assembly; A rotating rod, which is rotatably mounted on the second mounting frame, and the rotating rod is connected to the shaft of a grinding wheel via a transmission part; a driven gear is mounted on one end of the rotating rod; A driving gear, which is rotatably mounted on the second mounting frame via a rotating shaft, and the driving gear is meshed with the driven gear; The linkage plate has mounting columns distributed circumferentially installed on one side of the driving gear, the linkage plate is installed on the mounting columns, and adjacent linkage plates are staggered in the horizontal direction; The side rod is arranged on one side of the conveying chain assembly, a shifting rod is installed on the side rod, a linkage plate is located on the movement path of the shifting rod, and adjacent shifting rods are arranged in a horizontal direction staggered to match the linkage plate.

[0006] As a preferred embodiment of the present invention: a mounting cylinder is provided on one side of the conveyor chain assembly, and the side rod is detachably mounted in the mounting cylinder.

[0007] As a preferred embodiment of the present invention: a cleaning mechanism is provided between the grinding mechanism and the welding mechanism, and the cleaning mechanism comprises: A connecting pipe, the connecting pipe is mounted on one side of the second mounting frame by a buckle, one end of the connecting pipe is connected to a nozzle, and the nozzle is located above the movement path of the plate weld; The air supply part is installed on one side of the second mounting frame and is used to supply air to the connecting pipe.

[0008] As a preferred embodiment of the present invention: the air supply unit includes: A mounting plate, the mounting plate being mounted on an outer wall of one side of the second mounting frame; An elastic bag, the top of which is mounted on the bottom outer wall of the mounting plate, and the top of which is connected to the connecting pipe; A lifting frame is installed at the bottom of the elastic bag, and the lifting frame slides up and down on the inner wall of the mounting plate; An extrusion piece is installed at the bottom of the lifting frame and is used to squeeze the elastic bag to deform it.

[0009] As a preferred embodiment of the present invention, the extrusion member includes a linkage frame, the top of the linkage frame is fixed on the lifting frame, the bottom of the linkage frame is an arc structure, the top of the side rod is equipped with an arc convex block, and the top of the arc convex block is an arc surface structure adapted to the linkage frame.

[0010] As a preferred embodiment of the present invention: the driving mechanism includes: A conveying drive motor, the conveying drive motor is mounted on the first mounting frame through a motor frame; The gear transmission assembly, the output end of the conveying drive motor is connected to the sprocket shaft of the conveying chain assembly through the gear transmission assembly.

[0011] As a preferred embodiment of the present invention: the clamping assembly comprises: A movable frame, guide frames are installed on the top of both sides of the carrier, and the movable frame is horizontally slidably connected to the inner wall of the guide frame; Clamp block, which is installed at the end of the movable frame and is adapted to the plate; Spring, one end of the spring is fixed on the movable frame, and the other end of the spring is fixed on the guide frame.

[0012] As a preferred embodiment of the present invention, the welding mechanism comprises a support frame, an electric telescopic cylinder is installed on the support frame, a welding gun assembly is installed at the bottom end of the electric telescopic cylinder, and the welding gun assembly is adapted to the weld position of the plate.

[0013] As a preferred embodiment of the present invention: the welding mechanism further includes: a third mounting frame, on which a connecting rod is mounted; The guide rail is fixed to the end of the connecting rod, the two guide rails are symmetrically arranged, and a convex ball is arranged on the movable frame, and the convex ball is adapted to the guide rail groove of the guide rail.

[0014] As a preferred embodiment of the present invention, the guide rail comprises a straight rail portion and an inclined rail portion, the inclined rail portion is located at one end of the straight rail portion close to the grinding mechanism, and the distance between the two inclined rail portions gradually increases towards the direction close to the grinding mechanism.

[0015] The beneficial effects of the present invention are: By setting a grinding mechanism, the present invention can perform a certain degree of grinding on the weld position before welding, which helps to improve the welding quality; during the conveying process of the conveyor chain assembly, the lever on the side rod can be used to shift the linkage plate, thereby driving the driving gear to rotate, and finally driving the grinding wheel to perform grinding under the transmission of structures such as the driven gear. Since the diameter of the driving gear is significantly larger than the driven gear, the relative movement between the grinding wheel and the plate can be guaranteed.

[0016] Since the side rods of the present invention can be flexibly disassembled and assembled, they can be installed in corresponding installation tubes according to actual conditions, thereby controlling the timing of structural movement and improving flexibility.

[0017] By arranging the extrusion piece, the present invention can utilize the arc-shaped protrusion to extrude the linkage frame while the conveying chain assembly moves, and then extrude the elastic bag through the lifting frame to realize the output of the airflow and achieve the purpose of cleaning debris.

[0018] The present invention provides structures such as guide rails and convex balls, and can use the guide rails to guide and limit the convex balls during the conveying process of the conveyor chain assembly, thereby limiting the position of the clamping assembly, further fixing the plate, and improving the reliability of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of a plate welding device that is convenient for accurate positioning proposed by the present invention; Figure 2 A schematic diagram of the structure of a grinding mechanism and a cleaning mechanism of a plate welding device that is convenient for accurate positioning proposed by the present invention; Figure 3 For the present invention Figure 2 The enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the structure of the linkage plate and the lever of a plate welding device that facilitates accurate positioning proposed by the present invention; Figure 5 A schematic diagram of the structure of a grinding wheel bracket and a grinding wheel of a plate welding device that is convenient for accurate positioning proposed by the present invention; Figure 6 A schematic structural diagram of a welding mechanism of a plate welding device that is convenient for precise positioning proposed by the present invention.

[0020] In the figure: 1 first mounting frame, 2 carrier, 3 electric telescopic cylinder, 4 connecting rod, 5 connecting pipe, 6 conveyor chain assembly, 7 gear transmission assembly, 8 conveying drive motor, 9 convex ball, 10 second mounting frame, 11 third mounting frame, 12 nozzle, 13 mounting cylinder, 14 driving gear, 15 driven gear, 16 movable frame, 17 rotating rod, 18 linkage frame, 19 lifting frame, 20 mounting plate, 21 elastic bag, 22 arc convex block, 23 side rod, 24 lever, 25 mounting column, 26 linkage plate, 27 synchronous wheel transmission assembly, 28 grinding wheel bracket, 29 clamping block, 30 spring, 31 guide rail, 32 support frame, 33 plate. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] A plate welding device that facilitates precise positioning, such as Figure 1-6 As shown, it comprises: a first mounting frame 1, on which a conveyor chain assembly 6 is mounted, and on which a driving mechanism for driving the conveyor chain assembly 6 to move is mounted; on the conveyor chain assembly 6, equidistantly distributed carriers 2 are mounted through supporting rods, and on the carriers 2, a clamping assembly for clamping two plates 33 to be welded is mounted; A grinding mechanism and a welding mechanism are provided on the moving path of the carrier 2, and the grinding mechanism includes: A second mounting frame 10, on which a grinding wheel bracket 28 is mounted, and a plurality of grinding wheels are detachably and rotatably mounted at the bottom of the grinding wheel bracket 28, and the grinding wheels are located on the movement path of the welds of the two plates 33; the plurality of grinding wheels are connected to each other through a synchronous wheel transmission assembly 27, and the synchronous wheel transmission assembly 27 can also adopt a conventional transmission method such as a chain transmission or a sprocket transmission; The rotating rod 17 is rotatably mounted on the second mounting frame 10. The rotating rod 17 is connected to the shaft of a grinding wheel via a transmission part. The transmission part can be a sprocket, a chain drive, or a synchronous wheel and belt drive, etc. A driven gear 15 is mounted on one end of the rotating rod 17. A driving gear 14, the driving gear 14 is rotatably mounted on the second mounting frame 10 via a rotating shaft, and the driving gear 14 is meshed with a driven gear 15; Linkage plate 26, one side of the driving gear 14 is provided with circumferentially distributed mounting posts 25, the linkage plate 26 is mounted on the mounting posts 25, and adjacent linkage plates 26 are staggered in the horizontal direction; A side rod 23 and a mounting tube 13 are provided on one side of the conveyor chain assembly 6. The side rod 23 is detachably mounted in the mounting tube 13. A lever 24 is mounted on the side rod 23. A linkage plate 26 is located on the movement path of the lever 24. Adjacent levers 24 are staggered in the horizontal direction to match the linkage plate 26. By setting up a grinding mechanism, the weld position can be ground to a certain extent before welding, which helps to improve the welding quality; during the conveying process of the conveyor chain assembly 6, the lever 24 on the side rod 23 can be used to shift the linkage plate 26, thereby driving the driving gear 14 to rotate, and finally driving the grinding wheel to perform grinding under the transmission of the driven gear 15 and other structures. Since the diameter of the driving gear 14 is significantly larger than the driven gear 15, the relative movement between the grinding wheel and the plate 33 can be guaranteed; Since the side rod 23 can be flexibly disassembled and assembled, it can be installed in the corresponding installation tube 13 according to actual conditions, thereby controlling the timing of structural movement and improving flexibility.

[0024] To facilitate cleaning of debris after grinding; Figure 2 , Figure 3 As shown, a cleaning mechanism is provided between the grinding mechanism and the welding mechanism, and the cleaning mechanism comprises: A connecting pipe 5, which is mounted on one side of the second mounting frame 10 by means of a buckle, and one end of the connecting pipe 5 is connected to a nozzle 12, which is located above the movement path of the weld of the plate 33; The air supply part is installed on one side of the second mounting frame 10 and is used to supply air to the connecting pipe 5 .

[0025] In order to facilitate the output of airflow; Figure 3As shown, the air supply unit includes: A mounting plate 20, the mounting plate 20 is mounted on an outer wall of one side of the second mounting frame 10; An elastic bag 21, the top of which is mounted on the bottom outer wall of the mounting plate 20, and the top of which is connected to the connecting pipe 5; A lifting frame 19, the lifting frame 19 is installed at the bottom of the elastic bag 21, and the lifting frame 19 slides up and down on the inner wall of the mounting plate 20; The extrusion piece is installed at the bottom of the lifting frame 19 and is used to squeeze the elastic bag 21 to deform it.

[0026] To facilitate extrusion; Figure 3 , Figure 4 As shown, the extrusion member includes a linkage frame 18, the top of the linkage frame 18 is fixed on the lifting frame 19, the bottom of the linkage frame 18 is an arc-shaped structure, and the top of the side rod 23 is equipped with an arc-shaped protrusion 22, and the top of the arc-shaped protrusion 22 is an arc surface structure adapted to the linkage frame 18; By providing the extrusion piece, the arc-shaped protrusion 22 can be used to squeeze the linkage frame 18 while the conveyor chain assembly 6 moves, and then the elastic bag 21 is squeezed through the lifting frame 19 to realize the output of airflow and achieve the purpose of cleaning debris.

[0027] In order to facilitate the driving of the conveyor chain assembly 6; Figure 1 As shown, the driving mechanism comprises: A conveying drive motor 8, the conveying drive motor 8 is mounted on the first mounting frame 1 through a motor frame; The output end of the conveying drive motor 8 is connected to the sprocket shaft of the conveying chain assembly 6 through the gear transmission assembly 7 .

[0028] In order to facilitate fixation; Figure 5 , Figure 6 As shown, the clamping assembly includes: A movable frame 16, guide frames are installed on the top of both sides of the carrier 2, and the movable frame 16 is horizontally slidably connected to the inner wall of the guide frame; A clamping block 29, which is mounted on the end of the movable frame 16, and the clamping block 29 is adapted to the plate 33; Spring 30, one end of the spring 30 is fixed on the movable frame 16, and the other end of the spring 30 is fixed on the guide frame.

[0029] In order to facilitate welding process; Figure 6 As shown, the welding mechanism includes a support frame 32, on which an electric telescopic cylinder 3 is mounted, and a welding gun assembly is mounted at the bottom end of the electric telescopic cylinder 3, and the welding gun assembly is adapted to the welding seam position of the plate 33.

[0030] To improve reliability; Figure 6 As shown, the welding mechanism also includes: A third mounting frame 11, on which a connecting rod 4 is mounted; The guide rail 31 is fixed to the end of the connecting rod 4 , and the two guide rails 31 are symmetrically arranged. The movable frame 16 is provided with a convex ball 9 , and the convex ball 9 is adapted to the guide rail groove of the guide rail 31 .

[0031] To improve reliability; Figure 6 As shown, the guide rail 31 includes a straight rail portion and an inclined rail portion, the inclined rail portion is located at one end of the straight rail portion close to the grinding mechanism, and the distance between the two inclined rail portions gradually increases towards the direction close to the grinding mechanism; By providing structures such as guide rails 31 and convex balls 9, the guide rails 31 can be used to guide and limit the convex balls 9 during the conveying process of the conveyor chain assembly 6, thereby limiting the position of the clamping assembly, further fixing the plate 33, and improving the reliability of welding.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plate welding device that facilitates precise positioning, characterized in that: include: A first mounting frame (1), a conveyor chain assembly (6) being mounted on the first mounting frame (1), and a driving mechanism for driving the conveyor chain assembly (6) to move being mounted on the first mounting frame (1); carriers (2) being mounted on the conveyor chain assembly (6) via support rods and being arranged at equal intervals, and a clamping assembly for clamping two plates (33) to be welded being mounted on the carrier (2); A grinding mechanism and a welding mechanism are provided on the movement path of the carrier (2), and the grinding mechanism comprises: A second mounting frame (10), wherein a grinding wheel bracket (28) is mounted on the second mounting frame (10), and a plurality of grinding wheels are detachably and rotatably mounted on the bottom of the grinding wheel bracket (28), and the grinding wheels are located on the movement path of the weld seams of the two plates (33); the plurality of grinding wheels are connected to each other through a synchronous wheel transmission assembly (27); A rotating rod (17), the rotating rod (17) is rotatably mounted on the second mounting frame (10), the rotating rod (17) and a shaft of a grinding wheel are connected to each other via a transmission part; a driven gear (15) is mounted on one end of the rotating rod (17); A driving gear (14), the driving gear (14) is rotatably mounted on the second mounting frame (10) via a rotating shaft, and the driving gear (14) is meshed with a driven gear (15); A linkage plate (26), one side of the driving gear (14) is provided with circumferentially distributed mounting columns (25), the linkage plate (26) is mounted on the mounting columns (25), and adjacent linkage plates (26) are staggered in the horizontal direction; A side rod (23) is provided on one side of the conveyor chain assembly (6), a shifting rod (24) is mounted on the side rod (23), a linkage plate (26) is located on a movement path of the shifting rod (24), and adjacent shifting rods (24) are staggered in a horizontal direction to match the linkage plate (26).

2. A plate welding device that facilitates precise positioning according to claim 1, characterized in that: A mounting tube (13) is provided on one side of the conveyor chain assembly (6), and the side rod (23) is detachably mounted in the mounting tube (13).

3. A plate welding device that facilitates precise positioning according to claim 1, characterized in that: A cleaning mechanism is provided between the grinding mechanism and the welding mechanism, and the cleaning mechanism comprises: A connecting pipe (5), the connecting pipe (5) being mounted on one side of the second mounting frame (10) by means of a buckle, one end of the connecting pipe (5) being connected to a nozzle (12), the nozzle (12) being located above the movement path of the weld of the plate (33); An air supply part, which is mounted on one side of the second mounting frame (10) and is used to supply air to the connecting pipe (5).

4. A plate welding device that facilitates precise positioning according to claim 3, characterized in that: The air supply unit comprises: A mounting plate (20), the mounting plate (20) being mounted on an outer wall of one side of the second mounting frame (10); An elastic bag (21), the top of the elastic bag (21) is mounted on the bottom outer wall of the mounting plate (20), and the top of the elastic bag (21) is connected to the connecting pipe (5); A lifting frame (19), the lifting frame (19) is installed at the bottom of the elastic bag (21), and the lifting frame (19) slides up and down on the inner wall of the mounting plate (20); An extrusion piece is installed at the bottom of the lifting frame (19) and is used to squeeze the elastic bag (21) to deform it.

5. A plate welding device that facilitates accurate positioning according to claim 4, characterized in that: The extrusion component comprises a linkage frame (18), the top end of the linkage frame (18) is fixed on the lifting frame (19), the bottom end of the linkage frame (18) is an arc-shaped structure, and the top of the side rod (23) is equipped with an arc-shaped protrusion (22), and the top of the arc-shaped protrusion (22) is an arc surface structure that matches the linkage frame (18).

6. The plate welding device that facilitates accurate positioning according to claim 1, characterized in that: The driving mechanism comprises: A conveying drive motor (8), the conveying drive motor (8) being mounted on the first mounting frame (1) via a motor frame; The output end of the conveying drive motor (8) is connected to the sprocket shaft of the conveying chain assembly (6) through the gear transmission assembly (7).

7. The plate welding device that facilitates accurate positioning according to claim 1, characterized in that: The clamping assembly comprises: A movable frame (16), guide frames are installed on the top of both sides of the carrier (2), and the movable frame (16) is horizontally slidably connected to the inner wall of the guide frame; A clamping block (29), the clamping block (29) is mounted on the end of the movable frame (16), and the clamping block (29) is adapted to the plate (33); A spring (30), one end of the spring (30) is fixed on the movable frame (16), and the other end of the spring (30) is fixed on the guide frame.

8. The plate welding device that facilitates accurate positioning according to claim 7, characterized in that: The welding mechanism comprises a support frame (32), an electric telescopic cylinder (3) is mounted on the support frame (32), a welding gun assembly is mounted at the bottom end of the electric telescopic cylinder (3), and the welding gun assembly is adapted to the welding seam position of the plate (33).

9. A plate welding device that facilitates accurate positioning according to claim 8, characterized in that: The welding mechanism also includes: A third mounting frame (11), on which a connecting rod (4) is mounted; A guide rail (31) is fixed to the end of the connecting rod (4), the two guide rails (31) are symmetrically arranged, and a convex ball (9) is arranged on the movable frame (16), and the convex ball (9) is adapted to the guide rail groove of the guide rail (31).

10. A plate welding device that facilitates accurate positioning according to claim 9, characterized in that: The guide rail (31) comprises a straight rail portion and an inclined rail portion, wherein the inclined rail portion is located at one end of the straight rail portion close to the grinding mechanism, and the distance between the two inclined rail portions gradually increases towards the direction close to the grinding mechanism.

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