CN210188940U

CN210188940U - Automatic ring welding machine

Info

Publication number: CN210188940U
Application number: CN201921187418.2U
Authority: CN
Inventors: Shasha Tian; 田莎莎; Jie Liu; 刘杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-03-27
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses an automatic girth welding machine, which comprises a bottom frame and a welding head, wherein the bottom frame is provided with a chuck mounting rack and a first cylinder mounting rack; the chuck mounting frame is rotatably provided with a chuck, the first cylinder mounting frame is horizontally provided with a first cylinder, the end part of a piston rod of the first cylinder is connected with a horizontal rod, the end part of the horizontal rod is provided with a rotating block, the rotating block comprises a first body and a second body which are connected through bolts, the first body and the second body are internally provided with a bearing, and the inner ring of the bearing is connected with the horizontal rod; the chassis is provided with a driving motor for driving the chuck to rotate. The utility model provides an automatic girth welding machine simple structure, easy to use and maintenance can realize the girth welding to the work piece.

Description

Automatic ring welding machine

Technical Field

The utility model relates to a welding equipment technical field, in particular to automatic girth welding machine.

Background

The welding quality of the welding seam is required, the welding difficulty is high, and the circular welding seam is welded manually, so that the working efficiency is high, and the welding quality is difficult to guarantee. Therefore, the prior art proposes an automatic girth welding machine to improve the welding quality and the work efficiency of the girth welding seam, but the automatic girth welding machine in the prior art (such as the patent with the application publication number of CN 104289791 a) is complex in structure, high in equipment cost and difficult to maintain in the later period. Therefore, there is a need for a new automatic girth welding machine which can realize the welding of girth welding seam, and has simple structure and easy use and maintenance.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an automatic ring welding machine, which aims to solve the technical problem of complex structure of the automatic ring welding machine in the prior art.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an automatic ring welding machine comprises a bottom frame and a welding head, wherein a chuck mounting frame and a first cylinder mounting frame are arranged on the bottom frame; the chuck mounting frame is rotatably provided with a chuck, the first cylinder mounting frame is horizontally provided with a first cylinder, the end part of a piston rod of the first cylinder is connected with a horizontal rod, the end part of the horizontal rod is provided with a rotating block, the rotating block comprises a first body and a second body which are connected through bolts, the first body and the second body are internally provided with a bearing, and the inner ring of the bearing is connected with the horizontal rod; the chassis is provided with a driving motor for driving the chuck to rotate.

Furthermore, in the automatic ring welding machine, an installation plate is obliquely arranged on the bottom frame, two linear guide rails are arranged on the installation plate, the two linear guide rails are connected with a movable plate through sliders, and a welding head support is connected to the movable plate; the welding head is arranged on the welding head bracket; and the mounting plate is also provided with a second cylinder, and the end part of a piston rod of the second cylinder is connected with the moving plate.

Furthermore, in the automatic ring welding machine, a horizontal through hole and a stepped shaft are arranged at the end part of the welding head bracket, a small-diameter section of the stepped shaft penetrates through the horizontal through hole, a first clamping plate is arranged at a large-diameter section of the stepped shaft, the first clamping plate is connected with a second clamping plate through a bolt, and a groove is respectively formed in the first clamping plate and the second clamping plate; the welding head passes through the grooves on the first clamping plate and the second clamping plate.

Furthermore, in the automatic ring welding machine, a rolling support is arranged on the bottom frame, two fixing shafts are horizontally arranged on the rolling support, and two ends of each fixing shaft are respectively and rotatably provided with a roller.

Furthermore, in the automatic ring welding machine, the lower part of the rolling support is arranged on a support plate through a connecting plate, two ends of the support plate are respectively provided with a connecting hole, and a waist-shaped hole is vertically arranged on the bottom frame.

Furthermore, in the automatic ring welding machine, a straight groove is formed in the lower portion of the rolling support, and two bolts penetrate through the straight groove to be connected with the connecting plate.

Furthermore, in the automatic ring welding machine, a horizontal rod support frame is further arranged on the bottom frame, a guide seat is arranged on the horizontal rod support frame, and the horizontal rod penetrates through the guide seat.

Has the advantages that: the utility model provides an automatic girth welding machine compares prior art, the utility model provides an automatic girth welding machine can realize centre gripping, rotation and the welding to the work piece through having set up parts such as chuck, driving motor, first cylinder, horizon bar, turning block, welding head on the chassis to the realization is welded the work piece in the ring, has improved work efficiency. Furthermore, the roller wheel support is arranged, so that the auxiliary supporting effect on the workpiece is achieved. The utility model provides an automatic girth welding machine simple structure, simple manufacture, equipment area is little, easy to use and maintenance.

Drawings

Fig. 1 is a perspective view of the automatic ring welding machine provided by the utility model.

Fig. 2 is a partially enlarged view of the area S1 in fig. 1.

Fig. 3 is a partially enlarged view of the area S2 in fig. 1.

Fig. 4 is a partially enlarged view of the area S3 in fig. 1.

Detailed Description

The utility model provides an automatic girth welding machine, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following combination embodiment is the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, the present invention provides an automatic girth welding machine. The terms "first," "second," and the like, as used herein are intended to be illustrative and not limiting.

The automatic ring welding machine comprises a base frame 9 and a welding head 8, wherein a chuck mounting frame 20 and a first cylinder mounting frame 30 are arranged on the base frame; the chuck 2 is rotatably arranged on the chuck mounting frame 20, the first cylinder 3 is horizontally arranged on the first cylinder mounting frame 30, the end of the piston rod of the first cylinder is connected with a horizontal rod 31, the end of the horizontal rod is provided with a rotating block 4, as shown in fig. 4, the rotating block comprises a first body 41 and a second body 42 which are connected by a bolt 49, a bearing (not visible in the view of the drawing) is arranged in the first body and the second body, and the inner ring of the bearing is connected with the horizontal rod 31; the chassis is provided with a driving motor 21 for driving the chuck to rotate.

As shown in fig. 1, the connection mode of the welding head and the chassis can be set as follows: the chassis is obliquely provided with a mounting plate 21, two linear guide rails 22 are arranged on the mounting plate, the two linear guide rails are connected with a movable plate 23 through sliders (not visible in the view angle of fig. 1), and the movable plate is connected with a welding head bracket 6; the welding head 8 is arranged on the welding head bracket 6; the mounting plate is also provided with a second cylinder 29, and the end part of a piston rod of the second cylinder is connected with the moving plate. When not welding, the second cylinder piston rod stretches out, pushes the welding head upwards in an inclined mode, so that the workpiece can be conveniently fed and discharged, and when the welding is needed, the piston rod of the second cylinder retracts, so that the welding head is adjacent to the workpiece and is convenient to normally weld.

In practical application, the mounting plate can be arranged to be slidably connected with the length direction of the underframe, namely, the welding head can be conveniently adjusted to a proper position in the horizontal direction, and then the mounting plate is locked.

As shown in fig. 3, further, the end of the welding head support is provided with a horizontal through hole 60 and a stepped shaft, the small diameter section 611 of the stepped shaft passes through the horizontal through hole, the large diameter section 612 of the stepped shaft is provided with a first clamp plate 631, the first clamp plate is bolted with a second clamp plate 632, and the first clamp plate and the second clamp plate are respectively provided with a groove; the welding head penetrates through the grooves on the first clamping plate and the second clamping plate; the first clamping plate and the second clamping plate are connected by a bolt 64. As can be seen from the drawings, the opposing arrangement of the grooves on the first clamping plate and the second clamping plate can be combined into a guide hole 630. When the stepped shaft is used, the stepped shaft is rotated to a proper position, and the nut 62 at the end of the small-diameter section is screwed, so that the stepped shaft is prevented from rotating; after the position of the welding head in the first clamping plate and the second clamping plate is adjusted, the first clamping plate and the second clamping plate are locked through the bolts 64, and the welding head is prevented from sliding. This arrangement facilitates further fine adjustment of the position of the welding head.

As shown in fig. 1 and 2, a rolling bracket 72 is preferably disposed on the chassis, and two fixed shafts 73 are horizontally disposed on the rolling bracket, and each fixed shaft is rotatably disposed at two ends thereof with a roller 74 (4 rollers in total). When the device is used, each roller plays a role in supporting a workpiece (not shown in the figure), and the workpiece rotates and is subjected to rolling friction with each roller. Namely, the rolling support and the roller are arranged, so that the workpiece is supported, and the workpiece is ensured to normally rotate in the welding process.

As shown in fig. 2 and 4, the lower portion of the rolling bracket is disposed on a support plate 71 through a connecting plate, the support plate is provided with a connecting hole (corresponding to the position of the bolt 701) at each of its two ends, and a waist-shaped hole 901 is vertically disposed on the bottom frame. And each connecting hole is provided with a corresponding waist-shaped hole for connection, and the rolling bracket can be conveniently adjusted to a proper position in the length direction of the rack by the arrangement.

As shown in fig. 2, preferably, a straight groove 720 is formed at the lower portion of the rolling bracket, and two bolts 710 are inserted into the straight groove to connect with the connecting plate. The arrangement facilitates adjustment of the height position of the rolling support to accommodate different workpieces.

As shown in fig. 1 and 4, a horizontal rod support 50 is further disposed on the chassis, and a guide seat 51 is disposed on the horizontal rod support, through which the horizontal rod passes. Through setting up the support frame, can play support and guide effect to the horizon bar.

In practical use, the chuck clamps one end of a workpiece (not shown in the figure) to be welded, the piston rod of the first air cylinder extends out to enable the rotating block to be abutted against the other end of the workpiece, and the roller support is adjusted to a proper height to enable the roller to play an auxiliary supporting role for the workpiece. And the piston rod of the second air cylinder retracts to enable the welding head to be adjacent to the workpiece, and the position of the welding head is adjusted to enable the welding head to be aligned to the position to be welded. During welding, the welding head works at one side, the driving motor drives the chuck to rotate, and the rotating block and the workpiece rotate together due to the bearing arranged in the rotating block, so that the circumferential weld is welded. After welding, the piston rod of the second cylinder stretches out to lift the welding head obliquely upwards, the piston rod of the first cylinder retracts, and the chuck loosens the workpiece, so that the welded workpiece is conveniently taken away, and a new workpiece is loaded.

Through the analysis, compared with the prior art, the chassis is provided with the chuck, the driving motor, the first air cylinder, the horizontal rod, the rotating block, the welding head and other components, so that the workpiece can be clamped, rotated and welded, the workpiece is subjected to girth welding, and the working efficiency is improved. Furthermore, the roller wheel support is arranged, so that the auxiliary supporting effect on the workpiece is achieved. The utility model provides an automatic girth welding machine simple structure, simple manufacture, equipment area is little, easy to use and maintenance.

It should be noted that, during practical application, be provided with conventional parts such as regulator cubicle, operating panel and protection casing on the chassis usually, because regulator cubicle, operating panel and protection casing are not the utility model discloses a point place to and in order to observe the essential element of automatic girth welding machine, consequently regulator cubicle, operating panel and protection casing etc. are not shown in the drawing. The utility model discloses the protection is automatic girth welding machine itself, and the work piece that mentions above is not in the utility model discloses a protection within range.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. An automatic ring welding machine comprises a bottom frame and a welding head, and is characterized in that a chuck mounting frame and a first cylinder mounting frame are arranged on the bottom frame; the chuck mounting frame is rotatably provided with a chuck, the first cylinder mounting frame is horizontally provided with a first cylinder, the end part of a piston rod of the first cylinder is connected with a horizontal rod, the end part of the horizontal rod is provided with a rotating block, the rotating block comprises a first body and a second body which are connected through bolts, the first body and the second body are internally provided with a bearing, and the inner ring of the bearing is connected with the horizontal rod; the chassis is provided with a driving motor for driving the chuck to rotate.

2. The automatic ring welding machine according to claim 1, wherein a mounting plate is obliquely arranged on the bottom frame, two linear guide rails are arranged on the mounting plate, a moving plate is connected to the two linear guide rails through sliders, and a welding head bracket is connected to the moving plate; the welding head is arranged on the welding head bracket; and the mounting plate is also provided with a second cylinder, and the end part of a piston rod of the second cylinder is connected with the moving plate.

3. The automatic ring welding machine according to claim 1, wherein the end of the welding head bracket is provided with a horizontal through hole and a stepped shaft, the small diameter section of the stepped shaft passes through the horizontal through hole, the large diameter section of the stepped shaft is provided with a first clamping plate, the first clamping plate is connected with a second clamping plate through bolts, and the first clamping plate and the second clamping plate are respectively provided with a groove; the welding head passes through the grooves on the first clamping plate and the second clamping plate.

4. The automatic ring welding machine according to claim 1, wherein a rolling bracket is provided on the base frame, two fixed shafts are horizontally provided on the rolling bracket, and a roller is rotatably provided at both ends of each fixed shaft.

5. The automatic ring welding machine according to claim 4, wherein the lower portion of the rolling support is provided on a support plate through a connection plate, the support plate is provided at both ends thereof with a connection hole, respectively, and the base frame is vertically provided with a kidney-shaped hole.

6. The automatic ring welding machine of claim 5, wherein the rolling bracket has a straight slot formed at a lower portion thereof, and two bolts are inserted into the straight slot to connect the connecting plate.

7. The automatic ring welding machine of claim 1, wherein the base frame is further provided with a horizontal rod support frame, the horizontal rod support frame is provided with a guide seat, and the horizontal rod passes through the guide seat.