Automatic welding device for bearing end face

Abstract

The utility model belongs to the technical field of bearing end face welding, particularly relates to an automatic welding device for a bearing end face, and aims to solve the problems that a bearing and an end pipe are not easy to position and are difficult to weld in the background technology, and adopts the following scheme that the automatic welding device comprises a vertical plate, and a welding chamber is arranged on the outer wall of one side of the vertical plate; and a double-end air cylinder is arranged in the welding chamber, piston rods at the two ends of the double-end air cylinder are fixedly connected with connecting plates, and the outer walls of one sides of the two connecting plates are fixedly connected with clamping sleeves. Automatic positioning of the bearing is achieved, the end pipe can accurately fall on the bearing by means of positioning of the positioning lantern ring, mutual positioning between the bearing and the end pipe is achieved, the positioning difficulty is lowered, meanwhile, follow-up welding is facilitated, the gear is driven by the speed reducer to rotate, and the welding efficiency is improved. The laser welding head can complete automatic welding of the end face of the bearing under the action of rotation of the gear ring, mechanical operation is achieved, the stability is high, the welding difficulty is lowered, and the welding quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing end face welding technical field especially relates to a bearing end face automatic welding device. BACKGROUND

[0002] A bearing is a mechanical element that restricts relative motion to a desired range of motion and reduces friction between moving parts. The design of the bearing can provide free linear motion of the moving part or free rotation around a fixed axis, or it can prevent movement by controlling the vector of the normal force acting on the moving part.

[0003] In the mechanical manufacturing industry, bearings are a kind of key parts. In most machines, bearings are used to support rotating parts and reduce friction loss. Therefore, the application of bearing welding technology is becoming more and more important.

[0004] However, there is no positioning structure between the bearing and the end pipe, and it is not easy to position them. Once there is a positional deviation during positioning, the bearing is likely to be scrapped, causing certain economic losses. In addition, the connection position between the bearing and the end pipe is in a vertical plane, and the laser welding head needs to be kept inclined during welding, which is difficult to weld and the quality of welding is difficult to guarantee. UTILITY MODEL CONTENT

[0005] In view of the shortcomings of the prior art, the utility model provides a bearing end face automatic welding device, which overcomes the shortcomings of the prior art and effectively solves the problems of difficult positioning and welding between the bearing and the end pipe.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A bearing end face automatic welding device, comprising a vertical plate, a welding chamber is arranged on one side of the outer wall of the vertical plate, and a double-head cylinder is arranged in the welding chamber, the piston rods at both ends of the double-head cylinder are fixedly connected with connecting plates, and the outer walls of one side of the two connecting plates are fixedly connected with clamping sleeves, the inner walls of the clamping sleeves are rotatably connected with positioning wheels which are symmetrically distributed, a lifting cylinder is fixedly connected to the top outer wall of the welding chamber, and a rotating gland is rotatably connected to the piston rod of the lifting cylinder, a servo motor is arranged on the top of the lifting cylinder, and a support bracket is fixedly connected to the output shaft of the servo motor, and a positioning sleeve ring is arranged between the rotating gland and the support bracket.

[0008] A top sleeve is rotatably connected to the inner wall of the top of the welding chamber, a gear ring is fixedly connected to the outer wall of the bottom of the top sleeve, the outer wall of the gear ring is engaged with a gear, a speed reducer is installed on the top outer wall of the gear, a servo guide rail is fixedly connected to the bottom outer wall of the gear ring, a connecting rod is fixedly connected to the sliding block of the servo guide rail, and a laser welding head is installed on the bottom outer wall of the connecting rod.

[0009] Preferably, the support seat top is placed with a bearing, and the bearing top is provided with an end pipe, the positioning wheel is slidingly connected to the outer wall of the bearing, and the end pipe is rotationally connected to the inner wall of the positioning sleeve ring, and the rotary gland is tightly attached to the top outer wall of the end pipe.

[0010] Preferably, the outer wall of the vertical plate is welded with a support frame and a fixed plate, and the double-head cylinder and the servo motor are fixedly connected to the top outer walls of the support frame and the fixed plate respectively, and the positioning sleeve ring is welded to the outer wall of the vertical plate.

[0011] Preferably, the outer wall of the vertical plate is welded with a support frame and a fixed plate, and the double-head cylinder and the servo motor are fixedly connected to the top outer walls of the support frame and the fixed plate respectively, and the positioning sleeve ring is welded to the outer wall of the vertical plate.

[0012] Preferably, the outer wall of the vertical plate is welded with a support frame and a fixed plate, and the double-head cylinder and the servo motor are fixedly connected to the top outer walls of the support frame and the fixed plate respectively, and the positioning sleeve ring is welded to the outer wall of the vertical plate.

[0013] Preferably, the outer wall of the vertical plate is welded with a support frame and a fixed plate, and the double-head cylinder and the servo motor are fixedly connected to the top outer walls of the support frame and the fixed plate respectively, and the positioning sleeve ring is welded to the outer wall of the vertical plate.

[0014] Preferably, the outer wall of the vertical plate is welded with a support frame and a fixed plate, and the double-head cylinder and the servo motor are fixedly connected to the top outer walls of the support frame and the fixed plate respectively, and the positioning sleeve ring is welded to the outer wall of the vertical plate.

[0015] The beneficial effects of the present application are as follows:

[0016] 1. The bearing end face automatic welding device, the bearing can be directly placed on the support seat, the two end piston rods are simultaneously retracted through the double-head cylinder, the clamps on the two connecting plates can approach each other, until the positioning wheels tightly attach to the outer ring of the bearing, the automatic positioning of the bearing is realized, in addition, the end pipe can move from top to bottom, and the end pipe can accurately fall on the bearing by the positioning of the positioning sleeve ring, the mutual positioning between the bearing and the end pipe is realized, the bearing and the end pipe can simultaneously rotate by the subsequent descending of the rotary gland driven by the lifting cylinder and the rotation of the support seat driven by the servo motor, the positioning difficulty is reduced, and the subsequent welding is facilitated.

[0017] 2. The bearing end face automatic welding device, the gear is driven to rotate through the speed reducer, the rotation of the gear ring can be controlled, since the servo guide rail is installed at the bottom of the gear ring, when the laser welding head moves to the vicinity of the connection between the bearing and the end pipe, the laser welding head can complete the automatic welding of the bearing end face under the action of the rotation of the gear ring, the mechanical operation is stable, the welding difficulty is reduced, and the welding quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model provides a kind of bearing end face automatic welding device's overall structure front view is proposed in the utility model;

[0019] Figure 2 The utility model provides a kind of bearing end face automatic welding device's overall structure bottom view is proposed in the utility model;

[0020] Figure 3 A kind of bearing placement structure front view of the utility model is proposed in the utility model;

[0021] Figure 4 A kind of bearing placement structure bottom view of the utility model is proposed in the utility model;

[0022] Figure 5 The utility model provides a kind of bearing end face automatic welding device's gear ring connection structure schematic view.

[0023] In the drawing: 1, vertical board;2, welding chamber;3, double-end cylinder;4, connecting plate;5, clamping sleeve;6, positioning wheel;7, lifting cylinder;8, rotary gland;9, servo motor;10, support bracket;11, positioning sleeve ring;12, top sleeve;13, gear ring;14, gear;15, speed reducer;16, servo guide rail;17, connecting rod;18, laser welding head;19, support frame;20, fixed plate;21, sliding groove;22, dust suction area;23, dust removal box;24, bearing placement area;25, end pipe placement area;26, scrap collecting frame;27, PLC controller. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Embodiment one, refer to Figures 1 to 4 A kind of bearing end face automatic welding device, including vertical board 1, vertical board 1 one side outer wall is provided with welding chamber 2, and welding chamber 2 inside is provided with double-end cylinder 3, the piston rod of double-end cylinder 3 both ends is fixedly connected with connecting plate 4, and one side outer wall of two connecting plates 4 is fixedly connected with clamping sleeve 5, and clamping sleeve 5 inner wall is rotatably connected with the positioning wheel 6 of symmetrical distribution, the outer wall of welding chamber 2 top is fixedly connected with lifting cylinder 7, and the piston rod of lifting cylinder 7 is rotatably connected with rotary gland 8, and lifting cylinder 7 top is provided with servo motor 9, and the output shaft of servo motor 9 is fixedly connected with support bracket 10, and positioning sleeve ring 11 is arranged between rotary gland 8 and support bracket 10.

[0026] In this embodiment, the bearing can be directly placed on the support seat 10, the two sleeves 5 on the two connecting plates 4 can be moved close to each other by simultaneously retracting the two piston rods of the double-head cylinder 3, until the positioning wheel 6 is tightly attached to the outer ring of the bearing, achieving automatic positioning of the bearing. In addition, the end pipe can be moved from top to bottom, and the end pipe can be accurately dropped onto the bearing by positioning the positioning sleeve 11, achieving mutual positioning between the bearing and the end pipe. Subsequently, the lifting cylinder 7 drives the rotary gland 8 to move down and attach to the end pipe, and the support seat 10 is rotated by the servo motor 9, so that the bearing and the end pipe can rotate simultaneously, reducing the difficulty of positioning and facilitating subsequent welding.

[0027] Embodiment two, refer to Figure 5 A bearing end face automatic welding device, a top sleeve 12 is rotatably connected to the inner wall of the top of the welding chamber 2, and a gear ring 13 is fixedly connected to the outer wall of the bottom of the top sleeve 12. The outer wall of the gear ring 13 is engaged with a gear 14, and a speed reducer 15 is installed on the outer wall of the top of the gear 14. The bottom outer wall of the gear ring 13 is fixedly connected with a servo guide rail 16, and the sliding block of the servo guide rail 16 is fixedly connected with a connecting rod 17. The outer wall of the bottom of the connecting rod 17 is installed with a laser welding head 18.

[0028] In this embodiment, the gear 14 is driven to rotate by the speed reducer 15, which can control the rotation of the gear ring 13. Since the servo guide rail 16 is installed at the bottom of the gear ring 13, when the laser welding head 18 moves to the vicinity of the connection between the bearing and the end pipe, the laser welding head 18 can complete the automatic welding of the bearing end face under the action of the rotation of the gear ring 13. The mechanical operation is stable, the difficulty of welding is reduced, and the quality of welding is guaranteed.

[0029] Refer to Figures 3 to 4 The support seat 10 is placed on the top of the bearing, and the end pipe is provided on the top of the bearing. The positioning wheel 6 is slidably connected to the outer wall of the bearing. The end pipe is rotatably connected to the inner wall of the positioning sleeve 11. The rotary gland 8 is tightly attached to the top outer wall of the end pipe.

[0030] Refer to Figures 2 to 4 The vertical plate 1 is welded with a support frame 19 and a fixed plate 20 on one side of the outer wall. The double-head cylinder 3 and the servo motor 9 are fixedly connected to the top outer wall of the support frame 19 and the fixed plate 20 respectively. The positioning sleeve 11 is welded on one side of the outer wall of the vertical plate 1.

[0031] Refer to Figure 2 The vertical plate 1 is provided with symmetrically distributed sliding grooves 21 on one side of the outer wall. The connecting plates 4 are slidably connected to the inner wall of the sliding grooves 21.

[0032] Refer to Figure 1 The vertical plate 1 is provided with a dust collection area 22 on one side of the outer wall at the top of the sliding groove 21. The vertical plate 1 is provided with a dust removal box 23 with a dust removal pump on one side of the dust collection area 22.

[0033] With reference to Figure 1 Two sides of the inner wall of the bottom of the welding chamber 2 are respectively provided with bearing placing areas 24 and end pipe placing areas 25, and the top outer walls of the bearing placing areas 24 and the end pipe placing areas 25 are fixedly connected with scrap collecting frames 26.

[0034] With reference to Figures 1 to 5 One side outer wall of the vertical plate 1 is fixedly connected with a PLC controller 27, and the PLC controller 27 is connected with the double-head cylinder 3, the lifting cylinder 7, the servo motor 9 and the speed reducer 15 through signal lines.

[0035] Working principle: The bearing outer rings and the end pipes are respectively placed in the bearing placing areas 24 and the end pipe placing areas 25, and the bearings are directly placed on the support seats 10 when the equipment is used, the two connecting plates 4 are capable of approaching each other through the double-head cylinder 3 simultaneously retracting the two end piston rods, the clamping sleeves 5 on the two connecting plates 4 are capable of approaching each other until the positioning wheels 6 are tightly attached to the bearing outer rings, then the end pipes are inserted through the positioning sleeve rings 11 and are attached to the bearing outer rings, and then the rotating gland 8 is driven by the lifting cylinder 7 to move downward and is attached to the end pipes.

[0036] Then, the gear 14 is driven by the speed reducer 15 to rotate, the gear ring 13 is capable of rotating, and the servo guide rail 16 is installed at the bottom of the gear ring 13, so that when the laser welding head 18 moves to the vicinity of the connection between the bearing and the end pipe, two modes can be selected, one is to drive the support seat 10 to rotate through the servo motor 9 to control the laser welding head 18 to fast weld, and the other is to enable the laser welding head 18 to complete slow welding under the action of the rotation of the gear ring 13.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0039] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An automatic welding device for bearing end faces, comprising a vertical plate (1), characterized in that, A welding chamber (2) is provided on one side of the outer wall of the vertical plate (1), and a double-headed cylinder (3) is provided inside the welding chamber (2). The piston rods at both ends of the double-headed cylinder (3) are fixedly connected to connecting plates (4), and the outer walls on one side of the two connecting plates (4) are fixedly connected to sleeves (5). The inner wall of the sleeves (5) is rotatably connected to symmetrically distributed positioning wheels (6). A lifting cylinder (7) is fixedly connected to the top outer wall of the welding chamber (2), and the piston rod of the lifting cylinder (7) is rotatably connected to a rotating cover (8). A servo motor (9) is provided on the top of the lifting cylinder (7), and the output shaft of the servo motor (9) is fixedly connected to a support bracket (10). A positioning collar (11) is provided between the rotating cover (8) and the support bracket (10). The welding chamber (2) is rotatably connected to the top inner wall of the top sleeve (12), and the bottom outer wall of the top sleeve (12) is fixedly connected to the gear ring (13). The gear ring (13) is meshed with a gear (14) on its outer wall, and a reducer (15) is installed on the top outer wall of the gear (14). The bottom outer wall of the gear ring (13) is fixedly connected to a servo guide rail (16), and a connecting rod (17) is fixedly connected to the slider of the servo guide rail (16). A laser welding head (18) is installed on the bottom outer wall of the connecting rod (17).

2. The automatic bearing end face welding device according to claim 1, characterized in that, The support bracket (10) has a bearing on top, and an end tube is provided on the top of the bearing. The positioning wheel (6) is slidably connected to the outer wall of the bearing, and the end tube is rotatably connected to the inner wall of the positioning collar (11). The rotating cover (8) is tightly attached to the top outer wall of the end tube.

3. The automatic bearing end face welding device according to claim 1, characterized in that, A support frame (19) and a fixing plate (20) are welded to one side of the outer wall of the vertical plate (1), and a double-headed cylinder (3) and a servo motor (9) are respectively fixedly connected to the top outer wall of the support frame (19) and the fixing plate (20), and a positioning collar (11) is welded to one side of the outer wall of the vertical plate (1).

4. The automatic bearing end face welding device according to claim 1, characterized in that, The vertical plate (1) has symmetrically distributed grooves (21) on one side of its outer wall, and the connecting plate (4) is slidably connected to the inner wall of the groove (21).

5. The automatic bearing end face welding device according to claim 1, characterized in that, A dust collection area (22) is provided on one side of the outer wall of the vertical plate (1) at the top of the slide groove (21), and a dust collection box (23) with a dust collection pump is installed on the other side of the outer wall of the vertical plate (1) at the side of the dust collection area (22).

6. The automatic bearing end face welding device according to claim 1, characterized in that, The bottom inner wall of the welding chamber (2) is provided with a bearing placement area (24) and an end tube placement area (25) on both sides, and a waste collection frame (26) is fixedly connected to the top outer wall of the bearing placement area (24) and the end tube placement area (25).

7. The automatic bearing end face welding device according to claim 1, characterized in that, A PLC controller (27) is fixedly connected to one outer wall of the vertical plate (1), and the PLC controller (27) is connected to the double-headed cylinder (3), the lifting cylinder (7), the servo motor (9), and the reducer (15) through signal lines.

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