CN218926776U

CN218926776U - Hub positioning device of hub welding machine

Info

Publication number: CN218926776U
Application number: CN202223293518.8U
Authority: CN
Inventors: 张志辉; 刘瑞新; 郝占龙; 梁炳珍
Original assignee: Shandong Guanxian United Wheel Co ltd
Current assignee: Shandong Guanxian United Wheel Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-28
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of hub production, in particular to a hub positioning device of a hub welding machine, which can automatically turn over a hub, avoids manually turning over the hub, and has the advantages of low labor intensity, convenient use and high practicability; the support plate is arranged at the upper end of the support; still include two sets of backup pads, two sets of pivots, two sets of splint, motor B, strutting arrangement and mobile device, mobile device installs on the extension board, two sets of backup pads are all installed on mobile device, mobile device is used for two sets of backup pads of horizontal migration, two sets of pivots rotate respectively and install in two sets of backup pads, two sets of pivots are coaxial, two sets of splint are fixed mounting respectively in two sets of pivots, motor B fixed mounting is in the backup pad of left side, motor B's output is connected with the left end of left side pivot, strutting arrangement installs on the extension board, strutting arrangement is used for supporting wheel hub.

Description

Hub positioning device of hub welding machine

Technical Field

The utility model relates to the technical field of hub production, in particular to a hub positioning device of a hub welding machine.

Background

The hub is a part of a vehicle for connecting a tire and a shaft, and the current hub can be divided into three types of integrally cast, integrally forged and composite types from the manufacturing process. In the production process of the hub, quality detection personnel need to detect the appearance of the hub, and the hub with appearance defects (such as air holes, sand holes and the like) is returned to production for repair. Currently, workers generally use a welding gun on a hub welding machine to weld and repair hubs with appearance defects. Before the hub is welded and repaired, the hub is clamped and fixed by using a positioning and clamping device.

Among the prior art, an aluminium wheel hub adds clamping apparatus of patent application number "CN201922306939.1", and it includes the workstation, the surface of workstation is equipped with wheel hub, four supporting dogs have been installed to wheel hub's internal surface, four supporting dogs are evenly distributed setting in the surface of workstation, the first buffer layer has been installed to one side that the supporting dogs are close to wheel hub, four clamping apparatus have been installed to wheel hub's surface. When the clamping device is used, the hub which needs to be clamped and fixed is placed on the workbench, and then the hub is clamped and fixed at the upper end of the workbench by using four groups of clamps.

It discovers in the use, because the up end and the lower terminal surface of wheel hub all are possible to appear gas pocket or sand hole, when the above-mentioned device is fixed the wheel hub centre gripping back, when welder on the handheld wheel hub welding machine of staff restores the wheel hub, when restoring the lower terminal surface of wheel hub, the staff still need rely on the manual work to overturn the wheel hub workstation from top to bottom after, weld the restoration to the another side of wheel hub, when restoring some large-scale wheel hubs, rely on manual work upset wheel hub intensity of labour extremely big, it is inconvenient to use, so need a positioner that can overturn to the wheel hub voluntarily.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the wheel hub positioning device of the wheel hub welding machine, which can automatically turn over the wheel hub, avoids manually turning over the wheel hub, and has the advantages of low labor intensity, convenient use and high practicability.

The utility model relates to a hub positioning device of a hub welding machine, which comprises a bracket and a support plate, wherein the support plate is arranged at the upper end of the bracket; the device comprises a support plate, a support device and a moving device, and is characterized by further comprising two groups of support plates, two groups of rotating shafts, two groups of clamping plates, a motor B, a supporting device and the moving device, wherein the moving device is arranged on the support plate, the two groups of support plates are arranged on the moving device in a horizontal moving mode, the two groups of rotating shafts are respectively and rotatably arranged on the two groups of support plates, the two groups of rotating shafts are coaxial, the two groups of clamping plates are respectively and fixedly arranged on the two groups of rotating shafts, the motor B is fixedly arranged on the support plate on the left side, the output end of the motor B is connected with the left end of the rotating shaft on the left side, and the supporting device is arranged on the support plate and is used for supporting a hub; firstly, placing a wheel hub to be welded and repaired on a supporting device, then enabling two groups of supporting plates to be close to each other through a moving device, enabling two groups of supporting plates to be close to each other through two groups of rotating shafts, enabling two groups of clamping plates to clamp and fix the wheel hub until the two groups of clamping plates are located, enabling a welding gun on a welding machine to be held by a worker to weld and repair a position with appearance defects on the upper end of the wheel hub, when the other surface of the wheel hub is required to be welded, firstly enabling the supporting device to descend so as to be separated from the wheel hub, then opening a motor B, enabling the left rotating shaft to rotate, enabling the left rotating shaft to enable the wheel hub to be turned up and down for one hundred eighty degrees through the left clamping plates, enabling the lower end face of the wheel hub to be turned to the upper portion, and enabling the worker to be held by the welding gun to weld and repair the end face on the upper portion of the wheel hub; when welding the restoration to wheel hub using the welding machine, it can overturn wheel hub voluntarily, has avoided artifical upset wheel hub, low in labor strength, convenient to use, the practicality is high.

Preferably, the moving device comprises a motor A, a screw rod, a fixed rod and two groups of sliding blocks, wherein the motor A is fixedly arranged at the left end of a support plate, the screw rod is rotatably arranged on the support plate, the left and right parts of the screw rod are respectively provided with external threads with opposite rotation directions, the fixed rod is fixedly arranged on the support plate, the left end of the screw rod is connected with the output end of the motor A, the two groups of sliding blocks are all arranged on the fixed rod in a left-right sliding manner, the two groups of sliding blocks are respectively and spirally arranged with the left and right parts of the screw rod, and the two groups of support plates are respectively and fixedly arranged at the upper ends of the two groups of sliding blocks; when the hub is clamped, the motor A is turned on, the motor A drives the screw rod to rotate, the rotating screw rod enables the two groups of support plates to be close to each other through the two groups of sliding blocks, the two groups of support plates enable the two groups of rotating shafts to drive the two groups of clamping plates to be close to each other, and the two groups of clamping plates clamp and fix the hub in the process of being close to each other; because the distance between the two groups of clamping plates can be adjusted, the clamping plates can clamp and fix hubs with different diameters, and are convenient to use and low in limitation.

Preferably, the supporting device comprises a base plate, an oil cylinder, an ejector rod and a supporting disc, wherein the base plate is fixedly arranged at the upper end of the supporting plate, the oil cylinder is fixedly arranged at the upper end of the base plate, the ejector rod is arranged on the oil cylinder, the lower end of the ejector rod is connected with the output end of the oil cylinder, and the supporting disc is fixedly arranged at the upper end of the ejector rod; when the hub is clamped, the hub is firstly placed at the upper end of the supporting disc, after the hub is clamped and fixed by the two groups of clamping plates, the oil cylinder is opened, the supporting disc is lowered by the oil cylinder through the ejector rod, the supporting disc is separated from the hub, the hub is prevented from interfering with the supporting disc during rotation, and the reliability is improved.

Preferably, the device further comprises two groups of locking devices, wherein the two groups of locking devices are respectively arranged on the two groups of supporting plates and are used for locking and fixing the two groups of rotating shafts; the locking device comprises a fixed block, a screw rod, a bearing and a pressing block, wherein the fixed block is fixedly arranged on a supporting plate, the screw rod is screwed with the fixed block, the bearing is rotatably arranged at the lower end of the screw rod, the pressing block is fixedly arranged at the lower end of the bearing, the lower end of the pressing block is a plane, the upper part and the lower part of the rotating shaft are provided with symmetrical positioning grooves, the pressing block is positioned above the positioning grooves, and when the clamping plate is in a horizontal state, the plane of the positioning groove on the rotating shaft is parallel to the plane of the lower end of the pressing block; when the hub is clamped, the screw rods are rotated firstly, the rotating screw rods drive the pressing block to descend until the lower end of the pressing block is in contact with the positioning groove, the rotating shaft is prevented from autorotation, when the hub is rotated, the two groups of screw rods are rotated firstly, the bearing drives the pressing block to be separated from contact with the positioning groove, after the rotating shaft drives the clamping plate to rotate for one hundred eighty degrees, the plane on the positioning groove at the lower part of the rotating shaft is parallel to the lower end surface of the pressing block, and then the pressing block is descended and tightly propped against the positioning groove; the rotation of the rotating shaft is prevented, and the reliability is improved.

Preferably, the device also comprises a pointer and a scale, wherein the pointer is fixedly arranged on the rotating shaft on the right side, the scale is arranged on the right side supporting plate, and the pointer points to the scale; the rotating shaft drives the pointer to rotate while rotating, and the rotating angle of the rotating shaft can be judged by pointing the pointer to the scales on the scales, so that convenience is improved.

Preferably, the device also comprises a rubber pad, wherein the rubber pad is fixedly arranged at the upper end of the supporting disc; through the arrangement, the wheel hub is prevented from being scratched by the supporting disc after being placed at the upper end of the supporting disc, and the reliability is improved.

Preferably, a speed reducer is arranged on the motor B; through the arrangement, the motor B can drive the rotating shaft to slowly rotate, so that the rotating angle of the rotating shaft can be conveniently observed.

Compared with the prior art, the utility model has the beneficial effects that: when the wheel hub is repaired by welding, the wheel hub can be automatically turned over, so that the wheel hub is prevented from being turned over manually, the labor intensity is low, the use is convenient, and the practicability is high.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

fig. 2 is a schematic structural view of a motor B, an oil cylinder, a rotating shaft, etc.;

FIG. 3 is a schematic view of the structure of the support device;

FIG. 4 is a schematic view of the structure of FIG. 2, partially enlarged at A;

FIG. 5 is a schematic diagram of the front view of the present utility model;

the reference numerals in the drawings: 1. a bracket; 2. a support plate; 3. a motor A; 4. a screw rod; 5. a fixed rod; 6. a slide block; 7. a support plate; 8. a rotating shaft; 9. a clamping plate; 10. a motor B; 11. a substrate; 12. an oil cylinder; 13. a push rod; 14. a support plate; 15. a fixed block; 16. a screw; 17. a bearing; 18. briquetting; 19. a positioning groove; 20. a pointer; 21. a scale; 22. a rubber pad; 23. a hub.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 5, the hub positioning device of the hub welding machine of the utility model comprises a bracket 1, a support plate 2, two groups of support plates 7, two groups of rotating shafts 8, two groups of clamping plates 9, a motor B10, a support device, a motor A3, a screw 4, a fixed rod 5 and two groups of sliding blocks 6, wherein the support plate 2 is arranged at the upper end of the bracket 1, the two groups of rotating shafts 8 are respectively and rotatably arranged on the two groups of support plates 7, the two groups of rotating shafts 8 are coaxial, the two groups of clamping plates 9 are respectively and fixedly arranged on the two groups of rotating shafts 8, the motor B10 is fixedly arranged on the left support plate 7, the output end of the motor B10 is connected with the left end of the left rotating shaft 8, the support device is arranged on the support plate 2, the support device is used for supporting a hub, the motor A3 is fixedly arranged at the left end of the support plate 2, the screw 4 is rotatably arranged on the support plate 2, the left and right of the screw 4 are respectively provided with external threads with opposite rotation directions, the fixed rod 5 is fixedly arranged on the support plate 2, the left end of the screw 4 is connected with the output end of the motor A3, the two groups of sliding blocks 6 are respectively and are fixedly arranged on the left end of the screw 4 and the left end of the screw 4.

As shown in fig. 3, the supporting device comprises a base plate 11, an oil cylinder 12, an ejector rod 13 and a supporting disc 14, wherein the base plate 11 is fixedly arranged at the upper end of the supporting plate 2, the oil cylinder 12 is fixedly arranged at the upper end of the base plate 11, the ejector rod 13 is arranged on the oil cylinder 12, the lower end of the ejector rod 13 is connected with the output end of the oil cylinder 12, and the supporting disc 14 is fixedly arranged at the upper end of the ejector rod 13.

As shown in fig. 2 and 4, two sets of locking devices are respectively installed on two sets of support plates 7, and the two sets of locking devices are used for locking and fixing two sets of rotating shafts 8; the locking device comprises a fixed block 15, a screw rod 16, a bearing 17 and a pressing block 18, wherein the fixed block 15 is fixedly arranged on the supporting plate 7, the screw rod 16 is screwed with the fixed block 15, the bearing 17 is rotatably arranged at the lower end of the screw rod 16, the pressing block 18 is fixedly arranged at the lower end of the bearing 17, the lower end of the pressing block 18 is a plane, the upper part and the lower part of the rotating shaft 8 are provided with symmetrical positioning grooves 19, the pressing block 18 is positioned above the positioning grooves 19, and when the clamping plate 9 is in a horizontal state, the plane of the positioning grooves 19 on the rotating shaft 8 is parallel to the plane of the lower end of the pressing block 18.

As shown in fig. 1, the pointer 20 is fixedly installed on the right rotary shaft 8, the right support plate 7 is provided with a scale 21, and the pointer 20 points to the scale 21.

When the hub positioning device of the hub welding machine works, firstly, a hub 23 is placed at the upper end of a supporting disc 14, at the moment, two groups of screws 16 are firstly screwed, two groups of bearings 17 drive two groups of pressing blocks 18 to descend, the two groups of pressing blocks 18 are respectively tightly attached to two groups of positioning grooves 19, then a motor A3 is started, the motor A3 drives a screw 4 to rotate, the rotating screw 4 enables two groups of supporting plates 7 to be mutually close through two groups of sliding blocks 6, two groups of supporting plates 7 enable two groups of rotating shafts 8 to drive two groups of clamping plates 9 to be mutually close, the two groups of clamping plates 9 clamp and fix the hub 23 in the process of being mutually close, then a welding gun on a worker holds the welding machine to weld the upper end face of the hub 23, when the lower end face of the hub 23 is welded, firstly, the oil cylinder 12 is opened, the supporting disc 14 is descended through an ejector rod 13, the supporting disc 14 is separated from the hub 23, then the two groups of screws 16 are rotated again, the two groups of pressing blocks 18 are separated from the two groups of positioning grooves 19, then the motor B10 is opened, the motor B10 enables the left rotating shafts 8 to drive the left clamping plates 9 to be overturned, and the welding gun is held by one hundred and eighty degrees, and then the welding gun is held by the worker; when the welding machine is used for welding and repairing the hub 23, the welding machine can automatically overturn the hub 23, so that the manual overturning of the hub 23 is avoided, the labor intensity is low, the use is convenient, and the practicability is high.

The bracket 1, the sliding block 6, the rotating shaft 8, the oil cylinder 12, the screw 16, the pointer 20 and the rubber pad 22 of the hub positioning device of the hub welding machine are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The wheel hub positioning device of the wheel hub welding machine comprises a bracket (1) and a support plate (2), wherein the support plate (2) is arranged at the upper end of the bracket (1); the novel bicycle is characterized by further comprising two groups of supporting plates (7), two groups of rotating shafts (8), two groups of clamping plates (9), a motor B (10), a supporting device and a moving device, wherein the moving device is arranged on the supporting plate (2), the two groups of supporting plates (7) are arranged on the moving device, the moving device is used for horizontally moving the two groups of supporting plates (7), the two groups of rotating shafts (8) are respectively and rotatably arranged on the two groups of supporting plates (7), the two groups of rotating shafts (8) are coaxial, the two groups of clamping plates (9) are respectively and fixedly arranged on the two groups of rotating shafts (8), the motor B (10) is fixedly arranged on the left supporting plate (7), the output end of the motor B (10) is connected with the left end of the left rotating shaft (8), the supporting device is arranged on the supporting plate (2), and the supporting device is used for supporting a hub.

2. The hub positioning device of a hub welding machine according to claim 1, wherein the moving device comprises a motor A (3), a screw rod (4), a fixed rod (5) and two groups of sliding blocks (6), the motor A (3) is fixedly installed at the left end of the support plate (2), the screw rod (4) is rotatably installed on the support plate (2), the left and right parts of the screw rod (4) are respectively provided with external threads with opposite rotation directions, the fixed rod (5) is fixedly installed on the support plate (2), the left end of the screw rod (4) is connected with the output end of the motor A (3), the two groups of sliding blocks (6) are all installed on the fixed rod (5) in a left-right sliding mode, the two groups of sliding blocks (6) are respectively installed on the left-right parts of the screw rod (4), and the two groups of supporting plates (7) are respectively fixedly installed at the upper ends of the two groups of sliding blocks (6).

3. The hub positioning device of a hub welding machine according to claim 1, wherein the supporting device comprises a base plate (11), an oil cylinder (12), an ejector rod (13) and a supporting disc (14), the base plate (11) is fixedly arranged at the upper end of the supporting plate (2), the oil cylinder (12) is fixedly arranged at the upper end of the base plate (11), the ejector rod (13) is arranged on the oil cylinder (12), the lower end of the ejector rod (13) is connected with the output end of the oil cylinder (12), and the supporting disc (14) is fixedly arranged at the upper end of the ejector rod (13).

4. The hub positioning device of a hub welding machine according to claim 1, further comprising two sets of locking devices, the two sets of locking devices being mounted on the two sets of support plates (7), respectively, the two sets of locking devices being adapted to lock and fix the two sets of rotating shafts (8); the locking device comprises a fixed block (15), a screw rod (16), a bearing (17) and a pressing block (18), wherein the fixed block (15) is fixedly arranged on a supporting plate (7), the screw rod (16) is screwed with the fixed block (15), the bearing (17) is rotatably arranged at the lower end of the screw rod (16), the pressing block (18) is fixedly arranged at the lower end of the bearing (17), the lower end of the pressing block (18) is a plane, the upper part and the lower part of the rotating shaft (8) are provided with symmetrical positioning grooves (19), the pressing block (18) is located above the positioning grooves (19), and when the clamping plate (9) is in a horizontal state, the plane of the positioning grooves (19) on the rotating shaft (8) is parallel to the plane of the lower end of the pressing block (18).

5. The hub positioning device of a hub welding machine according to claim 1, further comprising a pointer (20) and a scale (21), wherein the pointer (20) is fixedly mounted on the right-hand spindle (8), the scale (21) is provided on the right-hand support plate (7), and the pointer (20) is directed to the scale (21).

6. A hub positioning device of a hub welding machine according to claim 3, further comprising a rubber pad (22), the rubber pad (22) being fixedly mounted on the upper end of the support plate (14).

7. Hub positioning device of a hub welding machine according to claim 1, characterized in that a speed reducer is arranged on the motor B (10).