CN213730393U - Automatic circumference welding equipment - Google Patents

Abstract

The utility model relates to the technical field of welding devices, in particular to an automatic circumference welding device, the prior processing technology is manual welding, which has the problems of high labor intensity and low efficiency, the automatic circumference welding device comprises a frame, a guiding device, a rotating device, a bending device and a welding gun are arranged on the frame, the guiding device comprises two guiding plates, a plurality of rollers are arranged on each guiding plate, the rotating device comprises a driving structure, a hub bearing unit, a positioning disc and a motor, the driving structure is connected with the motor and the hub bearing unit through a synchronous belt, the positioning disc is detachably and fixedly connected with the hub bearing unit, the upper end surface of the positioning disc is provided with a groove matched with a workpiece structure, the welding gun is positioned at one side of the positioning disc close to the guiding device, the bending device is positioned between the welding gun and the guiding device, the automation degree is high, the efficiency is improved, and the method has good development prospect in the technical field of welding devices.

Description

Automatic circumference welding equipment

Technical Field

The utility model relates to a welding set technical field especially relates to automatic circumference welding equipment.

Background

According to the traditional welding process of the brake bottom plate and the dust cover, the plate-shaped material for manufacturing the dust cover needs to be bent manually, then the plate-shaped material and the dust cover are assembled together through a special welding die, and manual welding is carried out through two-protection welding, at least two workers are needed to cooperate in the whole process, the surface quality of a welding seam is not easy to guarantee, the efficiency is low (only 50-60 pieces can be welded every day), and therefore equipment capable of carrying out automatic circumferential welding is designed in advance to replace the traditional manual welding process.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an automatic circumference welding equipment solves current brake shoe and dust cover welding process's intensity of labour problem big, inefficiency.

The technical scheme includes that the automatic circumferential welding equipment comprises a rack, wherein a guide device, a rotating device, a bending device and a welding gun are arranged on the rack, the guide device comprises two guide plates, a plurality of idler wheels are arranged on each guide plate, the rotating device comprises a driving structure, a hub bearing unit, a positioning disc and a motor, the driving structure is connected with the motor and the hub bearing unit through a synchronous belt, the positioning disc and the hub bearing unit are detachably and fixedly connected, different positioning discs are assembled for use according to different shapes of workpieces, a groove matched with the structures of the workpieces is formed in the upper end face of the positioning disc, the welding gun is located on one side, close to the guide device, of the positioning disc, the bending device is located between the welding gun and the guide device, a plate-shaped material to be welded to the workpieces is placed between the two guide plates of the guide device, and the welding gun is used for welding and fixing the workpieces and one end of the plate-shaped material, the workpiece rotates along with the positioning disc on the rotating device to drive the plate-shaped material to move, the rolling wheels on the two guide plates can assist the plate-shaped material to move, the plate-shaped material is bent by the bending device and wraps the periphery of the workpiece, and the plate-shaped material is finally fixed on the side face of the workpiece by multiple welding of the welding gun, so that the manual intervention degree in the whole process is low, and the efficiency is improved.

Still further, set up the speed reducer between motor and the drive structure, the drive structure is including location pivot, bearing, big synchronous pulley and plastics dish, hub bearing unit is connected to location pivot one end and big synchronous pulley is connected to the other end, the bearing is located between location pivot and the frame, the motor is connected the speed reducer and is in the little synchronous pulley of speed reducer center pin end fixing, little synchronous pulley passes through the hold-in range and connects big synchronous pulley, provides initial power by the motor and realizes driving each other.

Furthermore, the frame sets up compact structure, compact structure includes cylinder mounting bracket, cylinder and clamp plate, the clamp plate is connected and is fixed on the cylinder mounting bracket to cylinder one end, clamp plate center and positioning disk center are located same vertical line, realize compressing tightly of clamp plate through the cylinder is flexible, inject the work piece between positioning disk and clamp plate, avoid its dislocation.

Furthermore, the end part of one end, connected with the pressure plate, of the air cylinder is provided with the supporting steel ball, and the supporting steel ball plays a role in bearing pressure, but compared with a pressure bearing used in the traditional method, the pressure bearing is simple in structure and not easy to damage.

Furthermore, a cavity is arranged at the position of the web plate of the guide plate, and each roller is fixed at the position of the cavity of the web plate of the guide plate through a rotating shaft.

Furthermore, the guide plates comprise a first guide plate on the inner side and a second guide plate on the outer side, positioning rollers are arranged on the first guide plate, limiting rollers are arranged on the second guide plate, the diameter of each positioning roller is smaller than that of each limiting roller, so that a workpiece can be placed from the upper side of the two guide plates, the workpiece does not need to be inserted from the end parts of the guide plates, and the operation time is shortened.

Furthermore, the bending device is positioned below the welding gun and comprises a bending roller, a bending shaft and a bending shaft seat, the bending roller is fixed on the bending shaft seat through the bending shaft, and the plate-shaped material is bent when rotating along with the workpiece and is attached to the surface of the workpiece, so that the welding is convenient.

Further, a magnetic sensor is provided on the plastic tray for initial position control.

The technical effect of the utility model is that, mutually support between each module of device, guider supplies the sheet material to place, and the device of buckling realizes buckling the sheet material, through rotating device and welder's cooperation, with the cladding of sheet material outside the work piece, whole welding process is by original artifical clamping welding, converts the automatic welding and welding of bending of machine into, and alone can accomplish the operation, and weak point consuming time, efficient, the welding seam is pleasing to the eye, has reduced workman's intensity of labour simultaneously again.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic structural diagram of the compressing structure of the present invention.

Fig. 4 is a sectional view of the guiding device of the present invention.

In the figure: 1. the device comprises a frame, 2 parts of a plastic disc, 3 parts of a large synchronous belt pulley, 4 parts of a positioning rotating shaft, 5 parts of a bearing, 6 parts of a hub bearing unit, 7 parts of a positioning disc, 8 parts of a workpiece, 9 parts of a pressing plate, 10 parts of a supporting steel ball, 11 parts of a positioning roller, 12 parts of a rotating shaft, 13 parts of a limiting roller, 14 parts of a guide plate, 15 parts of a small synchronous belt pulley, 16 parts of a synchronous belt, 17 parts of a speed reducer, 18 parts of a stepping motor, 19 parts of a pressing cylinder, 20 parts of a cylinder mounting frame, 21 parts of a welding gun, 22 parts of a bending roller, 23 parts of a bending shaft, 24 parts of a bending shaft seat and 25 parts of a plate-shaped material.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows: as shown in fig. 1 to 4, the automatic circumferential welding equipment comprises a frame 1, wherein a guide device, a rotating device, a bending device and a welding gun 21 are arranged on the frame 1, the guide device comprises two guide plates 14, a plurality of rollers are arranged on each guide plate, the rotating device comprises a driving structure, a hub bearing unit 6, a positioning disc 7 and a motor 18, the driving structure is connected with the motor and the hub bearing unit through a synchronous belt 16, the positioning disc 7 and the hub bearing unit 6 are detachably and fixedly connected, different positioning discs 7 are assembled according to different shapes of workpieces for use, a groove matched with a workpiece 8 in structure is arranged on the upper end face of each positioning disc 7, the welding gun 21 is positioned on one side of each positioning disc 7 close to the guide device, the bending device is positioned between the welding gun 21 and the guide device, a plate-shaped material 25 to be welded to the workpiece is positioned between the two guide plates 14 of the guide device, the welding gun 21 is used for welding and fixing the workpiece and one end of the plate-shaped material, the workpiece rotates along with a positioning disc on the rotating device to drive the plate-shaped material to move, the rolling wheels on the two guide plates 14 can assist the plate-shaped material to move, the plate-shaped material is bent by the bending device and covers the periphery of the workpiece, the plate-shaped material is finally fixed on the side face of the workpiece through multiple welding by the welding gun, the manual intervention degree in the whole process is low, and the efficiency is improved.

Example two: on the basis of the first embodiment, a speed reducer 17 is arranged between the motor and the driving structure, the driving structure comprises a positioning rotating shaft 4, a bearing 5, a large synchronous belt pulley 3 and a plastic disc 2, a magnetic sensor is arranged on the plastic disc 2 and used for initial position control, one end of the positioning rotating shaft 4 is connected with a hub bearing unit 6, the other end of the positioning rotating shaft is connected with the large synchronous belt pulley 3, the bearing 5 is positioned between the positioning rotating shaft 4 and the rack 1, the motor is connected with the speed reducer 17, a small synchronous belt pulley 15 is fixed at the end part of a central shaft of the speed reducer, the small synchronous belt pulley 15 is connected with the large synchronous belt pulley 3 through a synchronous belt 16, initial power is provided by the motor to realize mutual driving, the rack 1 is provided with a compression structure, the compression structure comprises a cylinder mounting rack 20, a cylinder 19 and a pressure plate 9, one end of the cylinder 19 is connected with the pressure plate 9 and fixed on the cylinder mounting rack 20, the center of the pressing plate 9 and the center of the positioning plate 7 are located on the same vertical line, the pressing plate 9 is compressed through the stretching of the air cylinder, the workpiece 8 is limited between the positioning plate and the pressing plate, the dislocation of the workpiece is avoided, the end part of one end, connected with the pressing plate 9, of the air cylinder 19 is provided with the supporting steel ball 10, and the supporting steel ball 10 plays a role in bearing pressure, but compared with a pressure bearing used traditionally, the structure is simple and not easy to damage.

Example three: on the basis of the above embodiment, the web position of the guide plate 14 is provided with a cavity, each roller is fixed at the position of the web cavity of the guide plate through a rotating shaft 12, the guide plate 14 comprises a first guide plate at the inner side and a second guide plate at the outer side, the first guide plate is provided with a positioning roller 11, the second guide plate is provided with a limiting roller 13, the diameter of the positioning roller 11 is smaller than that of the limiting roller 13, so that the workpiece 8 can be placed from above the two guide plates, without the need to insert the workpiece from the ends of the guide plates 14, thereby shortening the operation time, the bending device is positioned below the welding gun 21, the bending device comprises a bending roller 22, a bending shaft 23 and a bending shaft seat 24, the bending roller 22 is fixed on a bending shaft seat 24 through a bending shaft 23, and the plate-shaped material bends along with the rotation of the workpiece and is attached to the surface of the workpiece, so that the welding is convenient.

The technical effect of the utility model is that, mutually support between each module of device, guider supplies the plate material to place, and the device of buckling realizes buckling the plate material, through rotating device and welder's cooperation, with the plate material cladding outside the work piece, by control system automatic control, whole process is machine automatic weld by original manual welding conversion, alone can accomplish the operation, and weak point consuming time, efficient, the finished product is pleasing to the eye again.

The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.

Claims (8)

1. Automatic circumference welding equipment, including frame (1), its characterized in that, set up guider, rotating device, device and welder (21) of buckling on frame (1), guider includes two deflector (14), sets up a plurality of gyro wheels on each deflector, rotating device is including driving structure, wheel hub bearing unit (6), positioning disk (7) and motor (18), it passes through hold-in range (16) and connects motor and wheel hub bearing unit to drive the structure, fixed connection can be dismantled with wheel hub bearing unit (6) in positioning disk (7), positioning disk (7) up end sets up the recess with work piece (8) structure complex, welder (21) are located one side that positioning disk (7) are close to guider, the device of buckling is located between welder (21) and the guider.

2. The automatic circumferential welding equipment of claim 1, wherein a speed reducer (17) is arranged between the motor and a driving structure, the driving structure comprises a positioning rotating shaft (4), a bearing (5), a large synchronous pulley (3) and a plastic disc (2), one end of the positioning rotating shaft (4) is connected with a hub bearing unit (6) and the other end of the positioning rotating shaft is connected with the large synchronous pulley (3), the bearing (5) is arranged between the positioning rotating shaft (4) and the rack (1), the motor is connected with the speed reducer (17) and fixes the small synchronous pulley (15) at the end of a central shaft of the speed reducer, and the small synchronous pulley (15) is connected with the large synchronous pulley (3) through a synchronous belt (16).

3. The automatic circumferential welding equipment of claim 2, characterized in that the frame (1) is provided with a compression structure, the compression structure comprises a cylinder mounting frame (20), a cylinder (19) and a pressure plate (9), one end of the cylinder (19) is connected with the pressure plate (9) and fixed on the cylinder mounting frame (20), and the center of the pressure plate (9) and the center of the positioning disc (7) are located on the same vertical line.

4. Automatic circumferential welding equipment according to claim 3, characterized in that the end of the cylinder (19) connected to the pressure plate (9) is provided with a support steel ball (10).

5. The automatic circumferential welding apparatus of claim 1, wherein said guide plate (14) web position is provided with a cavity, and each of said rollers is fixed at the guide plate web cavity position by a rotating shaft (12).

6. The automatic circumferential welding device according to claim 5, characterized in that said guide plates (14) comprise an inner first guide plate on which positioning rollers (11) are arranged and an outer second guide plate on which limiting rollers (13) are arranged, said positioning rollers (11) having a smaller diameter than the limiting rollers (13).

7. Automatic circumferential welding apparatus according to claim 1, characterized in that the bending device is located below the welding gun (21), the bending device comprising a press bending roller (22), a press bending shaft (23) and a press bending shaft seat (24).

8. Automatic circumferential welding device according to claim 2, characterized in that a magnetic sensor is provided on the plastic disc (2) for initial position control.

Images