A welding limit bracket for automobile parts manufacturing

Abstract

The present invention provides a welding limit bracket for automobile component manufacturing, which relates to the technical field of welding brackets for automobile special components, and comprises a base, wherein the main body of the base is a rectangular structure, and the base is provided at two locations, and fans are fixedly connected to the top surfaces of the two locations of the base, the fan is a frame structure, and an air slot is provided on the top surface of the fan, and the air is discharged through the air slot by the fan installed at the front end, and the base and the fan together constitute a bearing structure for a motor A, which solves the problem that the existing welding operation cannot be performed on special-shaped accessories automatically and adaptively, and thus has limitations. After the movable seat moves to a suitable position, the electric push rod B installed at the top of the movable seat is started to drive the pressure plate downward, and the special component placed on the seat body is automatically limited and clamped by the pressure plate, and normal welding work can be started.

Description

Technical Field

[0001] The invention relates to the technical field of automobile component welding brackets, in particular to a welding limiting bracket used for manufacturing automobile components. Background Art

[0002] Auto parts manufacturing refers to the various units that constitute the overall auto parts processing and the products that serve the auto parts processing. Many of the parts need to be supported by corresponding brackets before welding operations can be carried out.

[0003] However, as far as the current welding device is concerned, when it limits the welding of special parts, due to the special nature of the parts, their outer shapes are mostly irregular structures, and the irregular special parts need to be limited by special clamps. However, when welding batches of special-shaped special parts, the brackets need to be replaced frequently, which causes inconvenience, and it is impossible to perform automatic adaptive clamping operations on special-shaped accessories during welding operations, which leads to limitations. Summary of the invention

[0004] The present invention provides a welding limit bracket for manufacturing automobile parts, which specifically includes: a base, the main body of the base is a rectangular structure, and the base is provided at two locations, and fans are fixedly connected to the top surfaces of the two bases, the fan is a frame structure, and an air groove is provided on the top surface of the fan, and the air is discharged through the fan installed at the front end of the air groove, the base and the fan together constitute a bearing structure for a motor A, the motor A is installed on the front side of the base, and a screw is installed on the rear side of the motor A, the motor A is used to drive the screw to rotate, the inner side of the fan is fixedly connected to a seat body, a longitudinal groove is provided on the bottom surface of the seat body, and a slider is slidably connected inside the longitudinal groove provided at the bottom end of the seat body.

[0005] Optionally, an adsorption block is installed inside the guide frame, the adsorption block is magnetic, and the adsorption block is used to adsorb automobile parts. The top surface of the seat body is provided with longitudinal grooves in a linear array, and the longitudinal grooves opened on the top of the seat body are used for sliding the movable seat, and two movable seats are connected in opposite sliding manner inside each longitudinal groove opened on the seat body. The movable seat is connected to the seat body by a spring, and the movable seat is magnetic, and the movable seat matches the electromagnetic frame.

[0006] Optionally, a groove is provided inside the movable seat, and a guide shaft is installed inside the groove in the movable seat, a telescopic rod is sleeved on the outer side of the guide shaft, a guide ball is installed on the side of the telescopic rod away from the guide shaft, the telescopic rod and the guide ball together constitute a guiding structure, and a rotating shaft is installed inside the movable seat, the rotating shaft protrudes upward from the movable seat and is connected to the electric push rod B.

[0007] Optionally, every two laterally adjacent sliders form a group, and an electromagnetic frame is fixedly connected to the inner side of each group of sliders, a screw hole matching the screw is provided inside the electromagnetic frame, and the motor A, the screw and the electromagnetic frame together form a clamping drive structure, and a bracket is fixedly connected to the rear side of the fan, and a motor B is installed at the top of the transverse member in the bracket.

[0008] Optionally, a pressure plate is installed on the top end surface of the electric push rod B, and the pressure plate is used to press automobile parts. A connecting pipe is installed on the rear side of the buffer airbag, and a pressing airbag is installed on the bottom end surface of the pressure plate. The pressing airbag is connected to the buffer airbag through the connecting pipe. The pressure plate and the pressing airbag together constitute a limiting structure.

[0009] Optionally, a gear is installed on the outside of the guide shaft, and there are two gears in total. The two gears are in a meshing state. A rangefinder is installed on one side of the moving seat, and the rangefinder is a laser rangefinder. A limit rod is installed inside the moving seat. There are two limit rods in total, and the two limit rods generate a magnetic expansion state by powering on, and the limit rod is used to limit the movement of the telescopic rod.

[0010] Optionally, the rangefinder is electrically connected to the limit rod, a buffer airbag is installed at the top of the moving seat, the interior of the buffer airbag is filled with buffer gas, an electric push rod B is installed at the center of the buffer airbag, a pressure sensor is installed at the front end of the buffer airbag, and the pressure sensor is electrically connected to the electric push rod B.

[0011] Optionally, an electric push rod A is installed at the bottom end of the motor B, and a mounting frame is installed at the bottom end of the electric push rod A. A groove is opened inside the mounting frame, and a connecting rod is installed inside the groove in the mounting frame. There are two connecting rods in total, and the two connecting rods are installed oppositely, and guide frames are installed at the bottom ends of the two connecting rods, and guide wheels are installed inside the guide frames. Beneficial Effects

[0012] According to the limit bracket of the embodiment of the present invention, compared with the traditional one, when the pressure sensor installed on the front side of the buffer airbag moves toward one side of the workpiece with the moving seat, only when the pressure sensor installed in the buffer airbag detects that the moving seat and the workpiece are close to a suitable degree, the pressure plate can be pulled downward by starting the electric push rod B installed on the top of the moving seat until it is pressed and clamped with the workpiece. When the workpiece needs to be turned, the moving seat and the workpiece can be indirectly driven to separate by driving the screw by the motor A, and then the mounting frame and the connecting rod can be pushed downward by starting the electric push rod A installed on the bottom side of the motor B. When the connecting rod moves downward, the adsorption block can be guided by the contact between the roller installed inside the guide frame installed on the bottom side of the connecting rod and the workpiece, and after the adsorption block adsorbs the workpiece, the workpiece is lifted by the electric push rod A and then the workpiece is turned by the motor B.

[0013] In addition, in the present invention, when the moving seat moves toward one side of the workpiece, the guide ball installed on one side of the telescopic rod will first contact the workpiece placed on the seat body, and the telescopic rod can drive the guide shaft installed in the moving seat to rotate through the guidance of the guide ball, and the gear installed on the outside of the guide shaft is engaged with the gear installed on the outside of the rotating shaft on the bottom side of the electric push rod B to synchronously drive the pressure plate installed on the top of the electric push rod B to perform an automatic flipping operation, thereby achieving the purpose of performing automatic adaptive clamping operations according to the current bevel position of the workpiece.

[0014] In addition, in the present invention, when the two electromagnetic frames move inward along the longitudinal groove opened at the bottom end of the seat body through the sliding blocks fixedly connected by the outer sides thereof, the movable seat can be synchronously driven to perform an automatic adaptive clamping operation toward the special component placed on the seat body, and after the movable seat moves to the appropriate position, the electric push rod B installed on the top of the movable seat is started to drive the pressure plate downward, and the normal welding work can be started after the special component placed on the seat body is automatically limited and clamped by the pressure plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0016] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture:

[0018] Figure 1 A schematic diagram showing a front side view of a structure of a partial structure of a position limiting bracket in a disassembled state according to an embodiment of the present invention is shown;

[0019] Figure 2 A schematic diagram showing a top and side view of a partial structure of a position limiting bracket according to an embodiment of the present invention in a disassembled state;

[0020] Figure 3 A schematic diagram showing an assembly structure of a position limiting bracket according to an embodiment of the present invention is shown;

[0021] Figure 4 A schematic diagram showing a display structure of a bracket to an adsorption block of a position limiting bracket according to an embodiment of the present invention is shown;

[0022] Figure 5 A schematic diagram showing a base to slider display structure of a position limiting bracket according to an embodiment of the present invention is shown;

[0023] Figure 6 A schematic diagram showing a base-to-base display structure of a position limiting bracket according to an embodiment of the present invention is shown;

[0024] Figure 7 A schematic diagram showing a display structure of a movable seat to a limiting rod of a limiting bracket according to an embodiment of the present invention is shown;

[0025] Figure 8 A schematic diagram showing a display structure of a buffer airbag to a pressure-attached airbag of a position-limiting bracket according to an embodiment of the present invention is shown;

[0026] Fig. 9 The limiting bracket according to the embodiment of the present invention is shown. Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0027] Fig.10 The limiting bracket according to the embodiment of the present invention is shown. Figure 2 Schematic diagram of the enlarged structure at B;

[0028] Reference numerals list

[0029] 1. Base; 2. Fan; 3. Air trough; 4. Motor A; 5. Screw; 6. Electromagnetic frame; 7. Slider; 8. Bracket; 9. Motor B; 10. Electric push rod A; 11. Mounting frame; 12. Connecting rod; 13. Guide frame; 14. Adsorption block; 15. Seat; 16. Moving seat; 17. Guide shaft; 18. Telescopic rod; 19. Guide ball; 20. Gear; 21. Distance finder; 22. Limit rod; 23. Buffer airbag; 24. Electric push rod B; 25. Pressure sensor; 26. Pipe connection; 27. Pressure plate; 28. Pressure-attached airbag. DETAILED DESCRIPTION

[0030] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0031] First embodiment

[0032] Please refer to Figures 1 to 10 :

[0033] The present invention proposes a welding limit bracket for manufacturing automobile parts, comprising: a base 1, the main body of the base 1 is a rectangular structure, and the base 1 is provided at two locations, and the top surfaces of the two bases 1 are fixedly connected with fans 2, the fan 2 is a frame structure, and the top surface of the fan 2 is provided with a wind slot 3, the wind slot 3 is discharged through the fan 2 installed at the front end, the base 1 and the fan 2 together form a bearing structure for a motor A4, the motor A4 is installed on the front side of the base 1, and a screw 5 is installed on the rear side of the motor A4, and the motor A4 is used to drive the screw The rod 5 rotates, and the inner side of the fan 2 is fixedly connected with the seat body 15, and a longitudinal groove is provided on the bottom end surface of the seat body 15, and a slider 7 is slidably connected inside the longitudinal groove provided at the bottom end of the seat body 15, and a pressure plate 27 is installed on the top end surface of the electric push rod B24, and the pressure plate 27 is used to press the automobile parts, and a connecting pipe 26 is installed on the rear side of the buffer airbag 23, and a pressing airbag 28 is installed on the bottom end surface of the pressure plate 27, and the pressing airbag 28 is connected to the buffer airbag 23 through the connecting pipe 26, and the pressure plate 27 and the pressing airbag 28 together constitute a limiting structure.

[0034] In addition, according to an embodiment of the present invention, Figure 1-Figure 3 As shown, every two laterally adjacent sliders 7 form a group, and the inner side of each group of sliders 7 is fixedly connected with an electromagnetic frame 6, the interior of the electromagnetic frame 6 is provided with screw holes matching the screw rod 5, and the motor A4, the screw rod 5 and the electromagnetic frame 6 together form a clamping drive structure, the rear side of the fan 2 is fixedly connected with a bracket 8, the top end of the horizontal member in the bracket 8 is installed with a motor B9, the bottom end of the motor B9 is installed with an electric push rod A10, the bottom end of the electric push rod A10 is installed with a mounting frame 11, the interior of the mounting frame 11 is provided with a groove, and the interior of the groove in the mounting frame 11 is provided with a connecting rod 12, the connecting rod 12 is provided with two locations, and the two connecting rods 12 are installed oppositely, and the bottom ends of the two connecting rods 12 are both installed with guide rods. The movable frame 13 is provided with a guide wheel inside. When the movable seat 16 moves toward one side of the workpiece, the guide ball 19 installed on one side of the telescopic rod 18 will first contact the workpiece placed on the seat body 15, and the telescopic rod 18 can drive the guide shaft 17 installed in the movable seat 16 to rotate through the guidance of the guide ball 19, and the gear 20 installed on the outside of the guide shaft 17 is engaged with the gear 20 installed on the outside of the rotating shaft on the bottom side of the electric push rod B24 to synchronously drive the pressure plate 27 installed on the top of the electric push rod B24 to perform an automatic flipping operation, thereby achieving the purpose of performing an automatic adaptive clamping operation according to the current bevel position of the workpiece.

[0035] In addition, according to an embodiment of the present invention, Figure 1-Figure 7As shown, an adsorption block 14 is installed inside the guide frame 13, the adsorption block 14 is magnetic, and the adsorption block 14 is used to adsorb automobile parts. The top surface of the seat body 15 is provided with longitudinal grooves in a linear array, and the longitudinal grooves provided at the top of the seat body 15 are used for sliding the movable seat 16. Two movable seats 16 are connected in opposite sliding manner inside each longitudinal groove provided on the seat body 15. The movable seat 16 is connected to the seat body 15 through a spring, and the movable seat 16 is magnetic, and the movable seat 16 matches the electromagnetic frame 6. A missing groove is provided inside the movable seat 16, and a guide shaft 17 is installed inside the missing groove provided in the movable seat 16. A telescopic rod 18 is sleeved on the outer side of the guide shaft 17, and a guide bead 19 is installed on the side of the telescopic rod 18 away from the guide shaft 17. The telescopic rod 18 and the guide bead 19 together constitute a guiding structure. A rotating shaft is installed inside the movable seat 16. The rotating shaft protrudes upward from the movable seat 16 and is connected to the electric push rod B24. When the two electromagnetic frames 6 move inward along the longitudinal groove opened at the bottom end of the seat body 15 through the slider 7 fixedly connected to the outside thereof, the movable seat 16 can be synchronously driven to perform an automatic adaptive clamping operation toward the special components placed on the seat body 15. After the movable seat 16 moves to a suitable position, the electric push rod B24 installed on the top of the movable seat 16 is started to drive the pressure plate 27 downward, and the special components placed on the seat body 15 are automatically limited and clamped by the pressure plate 27, and normal welding work can begin.

[0036] In addition, according to an embodiment of the present invention, Figure 1-Figure 10As shown, a gear 20 is installed on the outer side of the guide shaft 17, and there are two gears 20, and the two gears 20 are in a meshing state. A rangefinder 21 is installed on one side of the moving seat 16, and the rangefinder 21 is a laser rangefinder. A limit rod 22 is installed inside the moving seat 16, and there are two limit rods 22, and the two limit rods 22 generate a magnetic expansion state by powering on, and the limit rod 22 is used to limit the movement of the telescopic rod 18, and the rangefinder 21 is electrically connected to the limit rod 22. A buffer airbag 23 is installed on the top of the moving seat 16, and the interior of the buffer airbag 23 is filled with buffer gas. An electric push rod B24 is installed at the center of the buffer airbag 23, and a pressure sensor 25 is installed at the front end of the buffer airbag 23. The pressure sensor 25 is electrically connected to the electric push rod B24. When the pressure sensor 25 installed on the front side of the buffer airbag 23 moves toward one side of the workpiece with the moving seat 16, Only when the pressure sensor 25 installed in the buffer airbag 23 detects that the moving seat 16 is close to the workpiece to a suitable degree, the pressure plate 27 can be pulled downward by starting the electric push rod B24 installed on the top of the moving seat 16 until it is pressed and clamped with the workpiece. When the workpiece needs to be turned, the moving seat 16 can be indirectly driven to separate from the workpiece by driving the screw 5 by the motor A4, and then the mounting frame 11 and the connecting rod 12 can be pushed downward by starting the electric push rod A10 installed on the bottom side of the motor B9. When the connecting rod 12 moves downward, the adsorption block 14 can be guided by the contact between the roller installed inside the guide frame 13 installed on the bottom side of the connecting rod 12 and the workpiece, and after the adsorption block 14 adsorbs the workpiece, the workpiece is lifted by the electric push rod A10 and then the workpiece is turned by the motor B9.

[0037] Specific usage and function of this embodiment: In the present invention, first, when a special part of a car needs to be welded, the special part of the car can be placed on the seat body 15 fixedly connected to the base 1 in advance, and then the fan 2 installed on the top of the base 1 is started to discharge air upward through the air slot 3 opened on the top of the fan 2;

[0038] When the fan 2 installed on the top of the base 1 discharges air upward through the air slot 3 opened on the top, an air curtain will be formed in the welding environment of the special component placed on the base 15 to shield it, so that the special component placed on the base 15 can be effectively isolated from external dust and sparks generated during internal welding work to affect surrounding personnel during welding, thereby achieving the purpose of precise welding;

[0039] When a special component is placed on the seat 15, if a clamping and limiting operation is required for the special component, the motor A4 installed at the front end of the base 1 can be started to drive the screw 5 to rotate, and the screw 5 is connected to the electromagnetic frame 6 fixedly connected to the inner side of the slider 7 to synchronously adsorb the moving seat 16 slidably connected to the longitudinal groove opened at the top of the seat 15;

[0040] When the two electromagnetic frames 6 move inward along the longitudinal groove opened at the bottom end of the seat body 15 through the slider 7 fixedly connected to the outside thereof, the movable seat 16 can be synchronously driven to perform an automatic adaptive clamping operation toward the special component placed on the seat body 15, and after the movable seat 16 moves to the appropriate position, the electric push rod B24 installed on the top of the movable seat 16 is started to drive the pressure plate 27 downward, and the special component placed on the seat body 15 is automatically limited and clamped by the pressure plate 27, and normal welding work can begin.

[0041] Second embodiment

[0042] Based on the first embodiment, a welding limit bracket for automobile parts manufacturing is provided, which can realize adaptive clamping operation of special parts with the help of fan 2, wind slot 3, motor A4, screw 5, electromagnetic frame 6, slider 7, bracket 8 and motor B9, but it still cannot solve the purpose of adaptive clamping of the special-shaped side of special-shaped workpieces in actual application. In order to solve the above problem, the device is also provided with electric push rod A10, mounting frame 11, connecting rod 12, guide frame 13, adsorption block 14, seat body 15, moving seat 16, guide shaft 17, telescopic rod 18 and guide bead 19;

[0043] In addition, according to an embodiment of the present invention, Figure 1-Figure 7 As shown, an adsorption block 14 is installed inside the guide frame 13, the adsorption block 14 is magnetic, and the adsorption block 14 is used to adsorb automobile parts, the top surface of the seat body 15 is provided with longitudinal grooves in a linear array, and the longitudinal grooves provided at the top of the seat body 15 are used for sliding the movable seat 16, and two movable seats 16 are connected in opposite sliding manner inside each longitudinal groove provided on the seat body 15, the movable seat 16 is connected to the seat body 15 by a spring, and the movable seat 16 is magnetic, and the movable seat 16 matches the electromagnetic frame 6, a missing groove is provided inside the movable seat 16, and a guide shaft 17 is installed inside the missing groove provided in the movable seat 16, a telescopic rod 18 is sleeved on the outer side of the guide shaft 17, and a guide bead 19 is installed on the side of the telescopic rod 18 away from the guide shaft 17, and the telescopic rod 18 and the guide bead 19 together constitute a guide structure, and a rotating shaft is installed inside the movable seat 16, and the rotating shaft protrudes upward from the movable seat 16 and is connected to the electric push rod B24.

[0044] When in use, when it is necessary to perform clamping and limiting work on a special component placed on the seat body 15 for welding, the motor A4 installed at the front end of the base 1 can be started to drive the screw 5 to rotate, and the screw 5 is synchronously connected to the electromagnetic frame 6 through the transmission connection to drive the moving seat 16 slidably connected to the top of the seat body 15 to move inward at the same time through the electromagnetic frame 6 to clamp the workpiece placed on the seat body 15;

[0045] When the moving seat 16 approaches the workpiece placed on the top of the seat body 15, the rangefinder 21 installed in the moving seat 16 will first detect whether the current workpiece has a bevel. If the data measured by the two rangefinders 21 are consistent, it means that the side of the workpiece located inside the current moving seat 16 is in a flat state. When the data measured inside the two rangefinders 21 are different, the corresponding limit rod 22 installed on the bottom side of the moving seat 16 is activated and powered on to pop up to limit the turning of the telescopic rod 18 installed on the outside of the guide shaft 17.

[0046] And when the moving seat 16 moves toward one side of the workpiece, the guide ball 19 installed on one side of the telescopic rod 18 will first contact the workpiece placed on the seat body 15, and the telescopic rod 18 can drive the guide shaft 17 installed in the moving seat 16 to rotate through the guidance of the guide ball 19, and the gear 20 installed on the outside of the guide shaft 17 is engaged with the gear 20 installed on the outside of the rotating shaft on the bottom side of the electric push rod B24 to synchronously drive the pressure plate 27 installed on the top of the electric push rod B24 to perform an automatic flipping operation, thereby achieving the purpose of automatic adaptive clamping operation according to the current bevel position of the workpiece.

[0047] Third embodiment

[0048] Based on the second embodiment, a welding limit bracket for automobile parts manufacturing is provided, which can achieve the purpose of adaptive clamping of the special-shaped side of the special-shaped workpiece by means of the electric push rod A10, the mounting frame 11, the connecting rod 12, the guide frame 13, the adsorption block 14, the seat body 15, the moving seat 16, the guide shaft 17, the telescopic rod 18 and the guide bead 19, but it is still unable to quickly adjust the welding operation for the special-shaped workpiece in the actual application process. In order to solve the above problem, the device is also provided with a gear 20, a rangefinder 21, a limit rod 22, a buffer airbag 23, an electric push rod B24, a pressure sensor 25, a pipe 26, a pressure plate 27 and a pressure-attached airbag 28;

[0049] In addition, according to an embodiment of the present invention, Figure 1-Figure 7As shown, an adsorption block 14 is installed inside the guide frame 13, the adsorption block 14 is magnetic, and the adsorption block 14 is used to adsorb automobile parts, the top surface of the seat body 15 is provided with longitudinal grooves in a linear array, and the longitudinal grooves provided at the top of the seat body 15 are used for sliding the movable seat 16, and two movable seats 16 are connected in opposite sliding manner inside each longitudinal groove provided on the seat body 15, the movable seat 16 is connected to the seat body 15 by a spring, and the movable seat 16 is magnetic, and the movable seat 16 matches the electromagnetic frame 6, a missing groove is provided inside the movable seat 16, and a guide shaft 17 is installed inside the missing groove provided in the movable seat 16, a telescopic rod 18 is sleeved on the outer side of the guide shaft 17, and a guide bead 19 is installed on the side of the telescopic rod 18 away from the guide shaft 17, and the telescopic rod 18 and the guide bead 19 together constitute a guide structure, and a rotating shaft is installed inside the movable seat 16, and the rotating shaft protrudes upward from the movable seat 16 and is connected to the electric push rod B24.

[0050] When in use, when the movable seat 16 approaches the workpiece placed on the seat body 15, it will also contact the workpiece through the buffer airbag 23 installed on the top of the movable seat 16, and when the buffer airbag 23 shrinks as the movable seat 16 moves toward the workpiece, the buffer gas in the buffer airbag 23 will be supplied to the inside of the pressing airbag 28 installed on the bottom side of the pressing plate 27 through the connecting pipe 26, and the expansion of the pressing airbag 28 makes the pressing plate 27 more gentle when in contact with the workpiece, so as to minimize the damage to the workpiece.

[0051] And when the pressure sensor 25 installed on the front side of the buffer airbag 23 moves toward one side of the workpiece along with the moving seat 16, only when the pressure sensor 25 installed in the buffer airbag 23 detects that the moving seat 16 is close to the workpiece to a suitable degree, the electric push rod B24 installed on the top of the moving seat 16 can be started to pull the pressing plate 27 downward until it is pressed and clamped with the workpiece;

[0052] When the workpiece needs to be turned, the motor A4 can drive the screw 5 to indirectly drive the moving seat 16 to separate from the workpiece, and then the electric push rod A10 installed on the bottom side of the motor B9 can be started to push the mounting frame 11 and the connecting rod 12 downward. When the connecting rod 12 moves downward, the adsorption block 14 can be guided by the contact between the roller installed inside the guide frame 13 installed on the bottom side of the connecting rod 12 and the workpiece, and after the adsorption block 14 adsorbs the workpiece, the electric push rod A10 can be used to lift the workpiece and then the motor B9 can be used to adjust the direction of the workpiece.

[0053] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0054] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A welding limit bracket for automobile parts manufacturing, characterized in that: include: A base (1), wherein the main body of the base (1) is a rectangular structure, and the base (1) is provided at two locations, and the top surfaces of the two bases (1) are fixedly connected to fans (2), the fan (2) is a frame structure, and a wind slot (3) is provided on the top surface of the fan (2), and the wind slot (3) discharges air through the fan (2) installed at the front end, the base (1) and the fan (2) together form a bearing structure for a motor A (4), the motor A (4) is installed at the front side of the base (1), and a screw rod (5) is installed at the rear side of the motor A (4), and the motor A (4) is used to drive the screw rod (5) to rotate, and a seat body (15) is fixedly connected to the inner side of the fan (2), and a longitudinal groove is provided on the bottom surface of the seat body (15), and a slider (7) is slidably connected inside the longitudinal groove provided at the bottom end of the seat body (15); Every two of the sliders (7) that are adjacent to each other in the transverse direction form a group, and the inner side of each group of sliders (7) is fixedly connected to an electromagnetic frame (6), a screw hole matching the screw rod (5) is provided inside the electromagnetic frame (6), and the motor A (4), the screw rod (5) and the electromagnetic frame (6) together form a clamping drive structure, the rear side of the fan (2) is fixedly connected to a bracket (8), and a motor B (9) is installed at the top end of a transverse member in the bracket (8); The bottom end of the motor B (9) is equipped with an electric push rod A (10), and the bottom end of the electric push rod A (10) is equipped with a mounting frame (11), a groove is provided inside the mounting frame (11), and a connecting rod (12) is installed inside the groove in the mounting frame (11), and the connecting rod (12) is provided at two locations, and the two connecting rods (12) are installed opposite to each other, and the bottom ends of the two connecting rods (12) are both equipped with a guide frame (13), and a guide wheel is installed inside the guide frame (13); An adsorption block (14) is installed inside the guide frame (13), the adsorption block (14) is magnetic, and is used to adsorb automobile parts. The top surface of the seat body (15) is provided with longitudinal grooves in a linear array, and the longitudinal grooves provided at the top of the seat body (15) are used for sliding the movable seat (16). Two movable seats (16) are connected in opposite directions in each longitudinal groove provided on the seat body (15). The movable seat (16) is connected to the seat body (15) by a spring, and the movable seat (16) is magnetic, and the movable seat (16) matches the electromagnetic frame (6). The movable seat (16) is provided with a notch inside, and a guide shaft (17) is installed inside the notch provided in the movable seat (16), a telescopic rod (18) is sleeved on the outer side of the guide shaft (17), a guide ball (19) is installed on the side of the telescopic rod (18) away from the guide shaft (17), and the telescopic rod (18) and the guide ball (19) together form a guide structure, and a rotating shaft is installed inside the movable seat (16), the rotating shaft protrudes upward from the movable seat (16) and is connected to the electric push rod B (24); A gear (20) is installed on the outer side of the guide shaft (17), the gear (20) is provided at two locations, and the two gears (20) are in a meshing state. A rangefinder (21) is installed on one side of the moving seat (16), the rangefinder (21) is a laser rangefinder, and a limit rod (22) is installed inside the moving seat (16), the limit rod (22) is provided at two locations, and the two limit rods (22) generate a magnetic expansion state by powering on, and the limit rod (22) is used to limit the movement of the telescopic rod (18).

2. A welding limit bracket for automobile parts manufacturing as claimed in claim 1, characterized in that: The distance meter (21) is electrically connected to the limit rod (22); a buffer air bag (23) is installed at the top of the movable seat (16); the buffer air bag (23) is filled with buffer gas; an electric push rod B (24) is installed at the center of the buffer air bag (23); a pressure sensor (25) is installed at the front end of the buffer air bag (23); and the pressure sensor (25) is electrically connected to the electric push rod B (24).

3. A welding limit bracket for automobile parts manufacturing as claimed in claim 2, characterized in that: A pressing plate (27) is installed on the top end surface of the electric push rod B (24), and the pressing plate (27) is used to press the automobile parts. A connecting pipe (26) is installed on the rear side of the buffer airbag (23). A pressing airbag (28) is installed on the bottom end surface of the pressing plate (27), and the pressing airbag (28) is connected to the buffer airbag (23) through the connecting pipe (26). The pressing plate (27) and the pressing airbag (28) together form a limiting structure.

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