CN215698800U

CN215698800U - Climbing mechanism and online automatic convex nail welding machine thereof

Info

Publication number: CN215698800U
Application number: CN202122021733.1U
Authority: CN
Inventors: 黄新华
Original assignee: Heron Intelligent Equipment Co ltd
Current assignee: Heron Intelligent Equipment Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-01
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to a jacking mechanism and an online automatic convex nail welding machine thereof. The utility model relates to a jacking mechanism and a convex nail online automatic welding machine thereof, which comprise a support frame; the jacking unit comprises a jacking pushing cylinder, a sliding frame, a mounting seat and an electrode pushing cylinder, the jacking pushing cylinder is mounted on the support frame, the sliding frame is mounted at the output end of the jacking pushing cylinder, the mounting seat is mounted on the side surface of the sliding frame, and at least one electrode pushing cylinder is arranged on the mounting seat; the supporting unit comprises a sliding block and a driving piece, the driving piece drives the sliding block to move, and when the mounting seat is lifted, the sliding block moves and is padded at the bottom of the mounting seat. The jacking mechanism and the automatic online convex nail welding machine have the advantages of stable electrode lifting and good welding quality.

Description

Climbing mechanism and online automatic convex nail welding machine thereof

Technical Field

The utility model relates to the field of compressor welding, in particular to a jacking mechanism and an online automatic convex nail welding machine thereof.

Background

A compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and is widely used in refrigerators, air conditioners, and the like. During the machining of the compressor shell, it is often necessary to weld studs to the shell. In the industry, the convex nails are welded manually, but the manual welding efficiency is low, and the yield is not high. The jacking mechanism is provided with a pair of jacking cylinders, a jacking frame is jointly fixed to the top end of each jacking cylinder, and an electrode assembly is mounted on each jacking frame. The mechanism drives the electrode assembly to move through the jacking cylinder, and the convex nails are welded on the shell. However, in the actual production process, the acting force of the jacking cylinder is small and is difficult to bear the acting force in the lifting welding process, so that the welding quality of the convex nail is not ideal, and the qualification rate of the finished product does not reach the standard.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide the jacking mechanism and the automatic online convex nail welding machine thereof, which have the advantages of stable electrode lifting and good welding quality.

A jacking mechanism comprising:

a support frame;

the jacking unit comprises a jacking pushing cylinder, a sliding frame, a mounting seat, an electrode pushing cylinder and a supporting column, wherein the jacking pushing cylinder is mounted on the supporting frame, the sliding frame is mounted at the output end of the jacking pushing cylinder, the mounting seat is mounted on the side surface of the sliding frame, the electrode pushing cylinder is arranged on the mounting seat, and the supporting column is arranged at the bottom of the mounting seat;

the supporting unit comprises a sliding block and a driving piece, the sliding block can be arranged at the bottom of the supporting column in a detachable mode, the driving piece drives the sliding block to move, and when the mounting seat is lifted, the sliding block moves and is cushioned at the bottom of the jacking unit to prevent the mounting seat from sliding downwards.

According to the jacking mechanism, the mounting base is supported through the supporting unit, so that the stability of the jacking mechanism is improved, and the displacement in the welding process is avoided.

Further, the driving member is an air cylinder or a motor. The driving piece can realize the adjustment of the position of the sliding block.

Further, the number of the electrode pushing cylinders is three. The electrodes are driven by the electrode pushing cylinders respectively, so that the electrodes can be attached to the welding position of the shell fully, and the welding quality is improved.

Further, be provided with the guide rail on the support frame, the carriage is the L type, including the first sliding part of vertical installation and the second sliding part that the level set up, first sliding part with the jacking promotes the jar and connects, second sliding part installs the one side the mount pad, the another side with guide rail sliding connection. The guide rail limits the sliding direction.

Furthermore, the supporting unit further comprises a sliding base and guide blocks, through holes corresponding to the support columns are formed in the sliding base, the support columns axially move in the through holes, the guide blocks are arranged on two sides of the sliding base, and the sliding blocks are arranged between the guide blocks in a sliding mode. The supporting column is padded on the sliding block and plays a supporting role on the mounting seat.

Further, the supporting units are symmetrically arranged on two sides of the jacking unit.

The utility model also discloses an on-line automatic welding machine for the convex nail, which comprises:

the device comprises a rack, a positioning device and a control device, wherein the rack comprises a bottom plate, a main rack and a top plate, the main rack is arranged on the bottom plate, and the top plate is arranged at the top of the main rack;

the jacking mechanism is arranged on the bottom plate and positioned in the main frame;

an upper electrode assembly mounted at the bottom of the top plate;

the lower electrode assembly is arranged on the mounting seat, is opposite to the upper electrode assembly and comprises a lower electrode, and the lower electrode is connected with the electrode pushing cylinder through an electrode seat;

a housing self-centering assembly disposed between the upper electrode assembly and the lower electrode assembly for positioning the housing. The welding machine supports the mounting seat through the supporting unit, and stability of the jacking mechanism is improved. Meanwhile, the lower electrode is driven by the electrode pushing cylinder, so that the lower electrode can be fully attached to the welding position of the shell, and the welding quality is improved.

Further, the upper electrode assembly comprises a fixed base, a guide part, an electrode base, an upper electrode, a moving block pushing cylinder, a reset screw and an elastic part, the fixed base is arranged at the bottom of the top plate, the guide part is installed on the fixed base, the electrode base is arranged at the bottom of the fixed base and is sleeved on the guide part in a sliding manner, a sliding groove is formed in the middle of the electrode base, the moving block is arranged in the sliding groove in a sliding manner, the upper side surface and the lower side surface of the moving block are respectively abutted against the fixed base and the electrode base, the moving block pushing cylinder drives the moving block to slide, an inclined surface is arranged on the lower side surface of the moving block, the electrode base is driven to move downwards when the moving block slides, the reset screw penetrates through the electrode base and is connected with the fixed base, and the elastic part is sleeved on the reset screw, one end of the elastic piece is abutted against the screw head of the reset screw, and the other end of the elastic piece is abutted against the fixed base. The upper electrode assembly is simple in structure and can weld the convex nails on the shell.

Furthermore, a first horizontal plane and a second horizontal plane are further arranged on the moving block, the first horizontal plane and the second horizontal plane are respectively connected to two sides of the inclined plane along the moving direction of the moving block, a horizontal section and an inclined section are arranged on the sliding groove, and the inclined section is matched with the inclined plane. The first horizontal plane and the second horizontal plane can keep the upper electrode in contact with the convex nail in the welding process, and the welding quality is guaranteed.

Further, the welding machine further comprises a welding controller, the welding controller is installed on the base and located on one side of the main frame, and an intermediate frequency power source is arranged in the welding controller. And the controller controls the welding of the welding machine.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of the automatic on-line stud welding machine of the present invention;

FIG. 2 is a front axial view of the jacking mechanism;

FIG. 3 is a rear axial view of the jacking mechanism;

FIG. 4 is a side view of the jacking mechanism;

FIG. 5 is an axial view of the support unit;

FIG. 6 is a first cross-sectional view of the upper electrode assembly;

FIG. 7 is a second cross-sectional view of the upper electrode assembly;

description of reference numerals: 1. a frame; 11. a base plate; 12. a main frame; 13. a top plate; 2. a jacking mechanism; 21. a support frame; 211. a guide rail; 221. jacking a pushing cylinder; 222. a carriage; 2221. a first sliding section; 2222. a second sliding section; 223. a mounting seat; 224. an electrode pushing cylinder; 225. a support pillar; 23. a support unit; 231. a slider; 232. a drive member; 233. a sliding base; 2331. a through hole; 234. a guide block; 3. an upper electrode assembly; 31. a fixed base; 32. a guide member; 33. an electrode base; 331. a chute; 3311. a horizontal segment; 3312. an inclined section; 34. an upper electrode; 35. a moving block; 351. a bevel; 352. a first horizontal plane; 353. a second horizontal plane; 36. a moving block pushing cylinder; 37. a reset screw; 38. an elastic member; 4. a lower electrode assembly; 41. a lower electrode; 5. a welding controller; 6. the housing is a self-centering assembly.

Detailed Description

Referring to fig. 1-7, fig. 1 is a front view of the automatic on-line stud welding machine of the present invention; FIG. 2 is a front axial view of the jacking mechanism; FIG. 3 is a rear axial view of the jacking mechanism; FIG. 4 is a side view of the jacking mechanism; FIG. 5 is an axial view of the support unit; FIG. 6 is a first cross-sectional view of the upper electrode assembly; FIG. 7 is a second cross-sectional view of the upper electrode assembly; the utility model discloses an on-line automatic welding machine for convex nails, which comprises: the welding machine comprises a frame 1, a jacking mechanism 2, an upper electrode assembly 3, a lower electrode assembly 4, a welding controller 5 and a shell self-centering assembly 6. The frame 1 comprises a bottom plate 11, a main frame 12 and a top plate 13, wherein the main frame 12 is arranged on the bottom plate 11, and the top plate 13 is arranged on the top of the main frame 12. The jacking mechanism 2 is arranged on the bottom plate 11 and is positioned in the main frame 12.

The climbing mechanism 2 includes: support frame 21, jacking unit and support unit 23. The support frame 21 is installed on the bottom plate 11, and a guide rail 211 is arranged on the support frame 21.

The jacking unit comprises a jacking pushing cylinder 221, a sliding frame 222, a mounting seat 223, an electrode pushing cylinder 224 and a supporting column 225. The jacking cylinder 221 is installed on the support frame 21, and the output end of the jacking cylinder is provided with a sliding frame 222. The sliding frame 222 is L-shaped, and includes a first sliding part 2221 vertically installed and a second sliding part 2222 horizontally installed, and the first sliding part 2221 is connected to the jacking cylinder 221. The second sliding portion 2222 has one surface on which the mounting seat 223 is mounted and the other surface slidably connected to the guide rail 211. At least one electrode pushing cylinder 224 is provided on the mount 223. Preferably, there are three electrode pushing cylinders 224. The support column 225 is disposed at the bottom of the mount 223.

The supporting unit 23 includes a sliding block 231, a driving member 232, a sliding base 233 and a guiding block 234, the driving member 232 drives the sliding block 231 to move, and when the mounting base 223 is lifted, the sliding block 231 moves and is padded at the bottom of the supporting column 225. The driving member 232 is a cylinder or a motor. The sliding base 233 is provided with a through hole 2331 corresponding to the supporting column 225, the supporting column 225 axially moves in the through hole 2331, guide blocks 234 are arranged on two sides of the sliding base 233, and the sliding block 231 is slidably arranged between the guide blocks 234. Preferably, the supporting units 23 are symmetrically disposed at both sides of the jacking unit.

The upper electrode assembly 3 is mounted on the bottom of the top plate 13. The upper electrode assembly 3 comprises a fixed base 31, a guide member 32, an electrode base 33, an upper electrode 34, a moving block 35, a moving block pushing cylinder 36, a reset screw 37 and an elastic member 38, wherein the fixed base 31 is arranged at the bottom of the top plate 13, the guide member 32 is arranged on the fixed base 31, the electrode base 33 is arranged at the bottom of the fixed base 31 and is slidably sleeved on the guide member 32, and a sliding groove 331 is formed in the middle of the electrode base 33. The moving block 35 is slidably disposed in the sliding groove 331, the upper and lower sides of the moving block 35 respectively abut against the fixed base 31 and the electrode base 33, and the moving block pushing cylinder 36 drives the moving block 35 to slide. An inclined surface 351 is arranged on the lower side surface of the moving block 35, and the electrode base 33 is driven to move downwards when the moving block 35 slides. The reset screw 37 is arranged in the electrode base 33 in a penetrating manner and connected with the fixing base 31, an elastic piece 38 is sleeved on the reset screw 37, one end of the elastic piece 38 is abutted to a screw head of the reset screw 37, and the other end of the elastic piece is abutted to the fixing base 31.

Preferably, the moving block 35 further includes a first horizontal surface 352 and a second horizontal surface 353, the first horizontal surface 352 and the second horizontal surface 353 are respectively connected to both sides of the inclined surface 351 along a moving direction of the moving block 35, the sliding groove 331 includes a horizontal portion 3311 and an inclined portion 3312, and the inclined portion 3312 is engaged with the inclined surface 351.

The lower electrode assembly 4 is mounted on the mounting seat 223 and opposite to the upper electrode assembly 3, and includes lower electrodes 41, and the lower electrodes 41 are respectively connected to the electrode pushing cylinders 224 through electrode seats.

The welding controller 5 is mounted on the base and located on one side of the main frame 12, and an intermediate frequency power supply is arranged in the welding controller 5. The housing self-centering assembly 6 is disposed between the upper electrode assembly 3 and the lower electrode assembly 4 for positioning the housing. The structure of the housing self-centering assembly 6 may be similar to that of patent application No. CN202020381302.9 entitled "a housing self-centering mechanism".

When the lifting device is used, the lifting pushing cylinder is driven to lift the mounting seat, the lower electrode assembly is driven to move towards the shell, and meanwhile, the supporting column moves along with the mounting seat and is separated from the through hole of the sliding base. After the supporting column is jacked in place, the driving piece is started to enable the sliding block to move towards the through hole and cover the through hole, and the sliding block is cushioned below the supporting column and plays a supporting role in supporting the mounting seat. The moving block pushing cylinder is started while the jacking pushing cylinder acts, the moving block is pushed to move in the sliding groove, and at the moment, the inclined surface of the moving block slides on the inclined section of the sliding groove until the horizontal plane of the moving block is matched with the horizontal section of the sliding groove. In the moving process of the moving block, the electrode base overcomes the elasticity of the elastic piece to move downwards, the upper electrode is made to be close to the shell, then the electrode pushing cylinder is started, the upper electrode and the lower electrode are made to be in contact with the workpiece and are pressed tightly, the welding controller is started, and welding is completed.

According to the jacking mechanism and the automatic online convex nail welding machine, the mounting base is supported through the supporting unit, so that the consumption of compressed air is reduced, and the running speed is accelerated. Meanwhile, different lower electrodes are driven and pushed by independent electrode pushing cylinders, so that each lower electrode can tightly press a workpiece with the same pressure, and the welding quality is ensured.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, to those skilled in the art, changes and modifications may be made without departing from the spirit of the present invention, and it is intended that the present invention encompass such changes and modifications.

Claims

1. A jacking mechanism, comprising:

a support frame (21);

the electrode pushing device comprises a jacking unit, wherein the jacking unit comprises a jacking pushing cylinder (221), a sliding frame (222), a mounting seat (223), an electrode pushing cylinder (224) and a supporting column (225), the jacking pushing cylinder (221) is mounted on the supporting frame (21), the sliding frame (222) is mounted at the output end of the jacking pushing cylinder, the mounting seat (223) is mounted on the side surface of the sliding frame (222), the electrode pushing cylinder (224) is arranged on the mounting seat (223), and the supporting column (225) is arranged at the bottom of the mounting seat (223);

the supporting unit (23) comprises a sliding block (231) and a driving piece (232), the sliding block (231) can be arranged at the bottom of the supporting column (225) in a detachable mode, the driving piece (232) drives the sliding block (231) to move, and when the mounting seat (223) is lifted, the sliding block (231) moves and is arranged at the bottom of the supporting column (225) in a cushioning mode, and the mounting seat (223) is prevented from sliding downwards.

2. The jacking mechanism of claim 1, wherein: the driving piece (232) is a cylinder or a motor.

3. A jacking mechanism as claimed in claim 2, wherein: the number of the electrode pushing cylinders (224) is three.

4. A jacking mechanism as claimed in any one of claims 1 to 3, wherein: be provided with guide rail (211) on support frame (21), carriage (222) is the L type, including first sliding part (2221) of vertical installation and second sliding part (2222) that the level set up, first sliding part (2221) with jacking propelling cylinder (221) is connected, second sliding part (2222) one side is installed mount pad (223), the another side with guide rail (211) sliding connection.

5. The jacking mechanism of claim 4, wherein: the supporting unit (23) further comprises a sliding base (233) and guide blocks (234), the supporting column (225) is arranged at the bottom of the mounting seat (223), a through hole (2331) corresponding to the supporting column (225) is formed in the sliding base (233), the supporting column (225) axially moves in the through hole (2331), the guide blocks (234) are arranged on two sides of the sliding base (233), and the sliding block (231) is arranged between the guide blocks (234) in a sliding mode.

6. The jacking mechanism of claim 5, wherein: the supporting units (23) are symmetrically arranged on two sides of the jacking unit.

7. The utility model provides an online automatic welder of convex nail which characterized in that includes:

the device comprises a rack (1), wherein the rack (1) comprises a bottom plate (11), a main frame (12) and a top plate (13), the main frame (12) is arranged on the bottom plate (11), and the top plate (13) is arranged at the top of the main frame (12);

the jacking mechanism (2) as claimed in claim 1, the jacking mechanism (2) being disposed on the floor (11) and within the main frame (12);

the upper electrode assembly (3), the upper electrode assembly (3) is installed at the bottom of the top plate (13);

the lower electrode assembly (4) is mounted on the mounting seat (223) and is opposite to the upper electrode assembly (3), the lower electrode assembly (4) comprises a lower electrode (41), and the lower electrode (41) is connected with the electrode pushing cylinder (224) through an electrode seat respectively;

a housing self-centering assembly (6), the housing self-centering assembly (6) disposed between the upper electrode assembly (3) and the lower electrode assembly (4) for positioning the housing.

8. The automatic on-line convex nail welding machine according to claim 7, characterized in that: the upper electrode assembly (3) comprises a fixed base (31), a guide piece (32), an electrode base (33), an upper electrode (34), a moving block (35), a moving block pushing cylinder (36), a reset screw (37) and an elastic piece (38), the fixed base (31) is arranged at the bottom of the top plate (13), the guide piece (32) is installed on the fixed base (31), the electrode base (33) is arranged at the bottom of the fixed base (31) and is sleeved on the guide piece (32) in a sliding mode, a sliding groove (331) is formed in the middle of the electrode base (33), the moving block (35) is arranged in the sliding groove (331) in a sliding mode, the upper side surface and the lower side surface of the moving block (35) are abutted against the fixed base (31) and the electrode base (33) respectively, the moving block pushing cylinder (36) drives the moving block (35) to slide, and an inclined plane (351) is formed in the lower side surface of the moving block (35), the electrode base (33) is driven to move downwards when the moving block (35) slides, the reset screw (37) penetrates through the electrode base (33) and is connected with the fixed base (31), an elastic piece (38) is sleeved on the reset screw (37), one end of the elastic piece (38) is abutted against a screw head of the reset screw (37), and the other end of the elastic piece is abutted against the fixed base (31).

9. The automatic on-line convex nail welding machine according to claim 8, wherein: the moving block (35) is further provided with a first horizontal plane (352) and a second horizontal plane (353), the first horizontal plane (352) and the second horizontal plane (353) are respectively connected to two sides of the inclined plane (351) along the moving direction of the moving block (35), the sliding groove (331) is provided with a horizontal section (3311) and an inclined section (3312), and the inclined section (3312) is matched with the inclined plane (351).

10. The automatic on-line convex nail welding machine according to claim 9, wherein: the welding machine further comprises a welding controller (5), the welding controller (5) is installed on the base and located on one side of the main frame (12), and an intermediate frequency power supply is arranged in the welding controller (5).