CN215699384U

CN215699384U - Automatic longitudinal seam welding rapid butt joint device

Info

Publication number: CN215699384U
Application number: CN202121428005.6U
Authority: CN
Inventors: 胡浩翔; 胡一凡
Original assignee: Henan Qianhe Environmental Protection Technology Co ltd
Current assignee: Henan Qianhe Environmental Protection Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-01
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a quick butt joint device for automatically welding longitudinal joints, which comprises a bottom plate and a first fixed disc, wherein the bottom plate is provided with a first fixing disc; the first fixed disc is arranged on the bottom plate, the axis of the first fixed disc is parallel to the bottom plate, and the number of the first fixed discs is two; a plurality of clamping rods penetrate through the first fixed disk and are distributed circumferentially relative to the axis of the first fixed disk; the clamping rod is connected with the first fixing disc through the rotary clamping assembly, and the rotary clamping assembly can drive the clamping rod to move along the radius direction of the first fixing disc. This application is through the synchronous inside tight clamp of multiunit clamping bar, makes the drum shape more slick and sly, and the longitudinal joint location butt joint of drum is more accurate, improves the off-the-shelf quality of welding greatly, improves production efficiency.

Description

Automatic longitudinal seam welding rapid butt joint device

Technical Field

The utility model relates to a longitudinal seam welding technology of a cylinder, in particular to a rapid butt joint device for automatically welding longitudinal seams.

Background

The welding process of the cylinder body is generally a process of curling a steel plate into a cylinder shape by a plate bending machine and then welding a longitudinal seam interface. In the existing welding technology, the method is known to be manually welding through an auxiliary tool and a simple longitudinal seam welding machine. The welding seam forming quality caused by human factors in manual welding is integrally unstable, the working labor intensity is high, and batch production is not easy to realize; due to the design reasons and the characteristics of the frame mechanism, the simple longitudinal seam welding machine has a small self-adaptive adjustment range, cannot be suitable for the welding work of the cylinder with a large diameter change range, is complex and tedious to operate, and has relatively low longitudinal seam welding quality. When the longitudinal seam of the cylinder is welded, most of clamping and positioning devices cannot adjust and position the inner diameter as required, cannot automatically find the center of a welding seam, and are single in effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rapid butt-joint device for automatic longitudinal seam welding, which is used for solving the problem that the existing device cannot adjust and position the inner diameter as required.

In order to solve the problems, the utility model provides a longitudinal seam automatic welding rapid butt joint device, which comprises a bottom plate and a first fixed plate; the first fixed disc is arranged on the bottom plate, the axis of the first fixed disc is parallel to the bottom plate, and the number of the first fixed discs is two; a plurality of clamping rods penetrate through the first fixed disk and are distributed circumferentially relative to the axis of the first fixed disk, and the clamping rods are not arranged in the range from eighty degrees to one hundred twenty degrees right above the axis in the first fixed disk; the clamping rod is connected with the first fixed disk through a rotary clamping assembly, and the rotary clamping assembly can drive the clamping rod to move along the radius direction of the first fixed disk.

The utility model provides a longitudinal seam automatic welding rapid butt joint device, which also has the following technical characteristics:

furthermore, an annular groove is formed in the first fixed disk, and a driving rotary disk of the rotary clamping assembly is installed in the annular groove; a short rod is arranged on the outer wall of the clamping rod along the radius direction of the clamping rod, a round head is arranged on the short rod, and a square head is also arranged on the short rod; a clamping straight groove corresponding to the square head is formed in the first fixed disc, a clamping arc groove corresponding to the round head is formed in the active rotary disc, one end of the clamping arc groove is close to the axis of the active rotary disc, and the other end of the clamping arc groove is far away from the axis of the active rotary disc; the square head is matched with the clamping straight groove, and the round head is matched with the clamping arc groove; and rotating the driving turntable to drive the clamping arc groove to drive the round head to move, and driving the square head to move along the clamping straight groove.

Furthermore, a second fixed disk is coaxially arranged between the two first fixed disks, an annular groove is formed in the second fixed disk, a driven rotary disk is arranged in the annular groove, and the driven rotary disk and the second fixed disk are also provided with the clamping arc groove and the clamping straight groove which correspond to the round head and the square head; positioning plates are further arranged in the first fixing disc and the second fixing disc in a penetrating mode, the positioning plates are connected with the first fixing disc and the second fixing disc through positioning rods, positioning straight grooves are vertically formed in the first fixing disc and the second fixing disc, and positioning arc grooves corresponding to the positioning straight grooves are formed in the driving rotary disc and the driven rotary disc; the positioning rod penetrates through the positioning straight groove and the positioning arc groove, and the matching part of the positioning rod and the positioning straight groove is a square shaft section.

Furthermore, a welding gasket is horizontally arranged at one end of the positioning plate, and the distance from the upper surface of the welding gasket to the axis of the driving turntable is smaller than the inner radius of the cylinder to be welded.

Furthermore, one end, close to the welding gasket, of the positioning plate is a thin area, the other end of the positioning plate is a thick area, and the thin area and the thick area are in smooth transition.

Furthermore, the welding gasket is made of copper.

Furthermore, a servo motor is arranged between the driving turntable and the first fixed disk, an adjusting groove is formed in the first fixed disk, an induction head is arranged on the adjusting groove and can move along the adjusting groove, and a sensing head is arranged on the driving turntable; the servo motor drives the driving turntable to rotate, the sensing head is in contact with the sensing head, and the servo motor stops working.

The utility model has the following beneficial effects: through the synchronous motion of the plurality of groups of clamping rods along the radius direction of the first fixing disc, the positions of the clamping rods can be adjusted as required when longitudinal seams with different cylinder diameters need to be welded according to actual production requirements, the mould does not need to be replaced frequently, the time is saved, and the cost is reduced; the multiple groups of clamping rods synchronously clamp inwards, so that the shape of the cylinder is more smooth, the longitudinal seam positioning butt joint of the cylinder is more accurate, the quality of a welded finished product is greatly improved, and the production efficiency is improved.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 illustrates an embodiment of an active turret;

fig. 5 shows a positioning member according to an embodiment of the present invention.

1. A base plate; 2. a first fixed disk; 21. an adjustment groove; 22. an inductive head; 23. positioning the straight groove; 24. clamping the straight groove; 3. an active turntable; 31. positioning the arc groove; 32. a sensor head; 33. clamping the arc groove; 4. a clamping lever; 41. a short bar; 42. a round head; 43. a square head; 5. a second fixed disk; 6. a driven turntable; 7. positioning a rod; 71. positioning a plate; 72. welding a gasket; 73. a thin region; 74. a thick region; 75. a square shaft section.

Detailed Description

The utility model will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the embodiment of the automatic longitudinal seam welding rapid butt-welding device of the utility model shown in fig. 1 to 5, the automatic longitudinal seam welding rapid butt-welding device comprises a bottom plate 1 and a first fixing plate 2; the first fixed disc 2 is arranged on the bottom plate 1, the axis of the first fixed disc 2 is parallel to the bottom plate 1, and two first fixed discs 2 are symmetrically arranged; a plurality of clamping rods 4 penetrate through the first fixed disk 2, the clamping rods 4 are circumferentially distributed relative to the axis of the first fixed disk 2, and the clamping rods 4 are not arranged in the range from eighty degrees to one hundred twenty degrees right above the axis in the first fixed disk 2; the clamping rod 4 is connected with the first fixed disk 2 through a rotary clamping assembly, and the rotary clamping assembly can drive the clamping rod 4 to move along the radius direction of the first fixed disk 2, so that different clamping diameters can be set as required according to the synchronous inward and outward movement principle of the clamping rods 4, a better centering effect can be achieved, and the welding quality of the cylinder body is improved.

In one embodiment of the present application, preferably, an annular groove is formed in the first fixed disk 2, and the driving rotary disk 3 of the rotary clamping assembly is mounted in the annular groove; a short rod 41 is arranged on the outer wall of the clamping rod 4 along the radius direction of the clamping rod 4, a round head 42 is arranged on the short rod 41, and a square head 43 is also arranged on the short rod 41; a clamping straight groove 24 corresponding to the square head 43 is arranged on the first fixed disk 2, a clamping arc groove 33 corresponding to the round head 42 is arranged on the active rotary disk 3, one end of the clamping arc groove 33 is close to the axis of the active rotary disk 3, and the other end of the clamping arc groove 33 is far away from the axis of the active rotary disk 3; the square head 43 is matched with the clamping straight groove 24, and the square head 43 is matched with the clamping straight groove 24, so that the deviation of the clamping rod 4 during clamping can be effectively avoided, and the working reliability of the clamping rod is effectively improved; the round head 42 is matched with the clamping arc groove 33; the driving turntable 3 is rotated to enable the clamping arc groove 33 to drive the round head 42 to move, and the square head 43 is driven to move along the clamping straight groove 24.

In an embodiment of the present application, preferably, a second fixed disk 5 is further coaxially disposed between two first fixed disks 2, an annular groove is disposed in the second fixed disk 5, a driven turntable 6 is disposed in the annular groove, and the driven turntable 6 and the second fixed disk 5 are also provided with the clamping arc groove 33 and the clamping straight groove 24 corresponding to the round head 42 and the square head 43; positioning plates 71 are further arranged in the first fixed disk 2 and the second fixed disk 5 in a penetrating manner, the positioning plates 71 are connected with the first fixed disk 2 and the second fixed disk 5 through positioning rods 7, positioning straight grooves 24 are vertically arranged on the first fixed disk 2 and the second fixed disk 5, and positioning arc grooves 31 corresponding to the positioning straight grooves 23 are arranged on the driving rotary disk 3 and the driven rotary disk 6; the positioning rod 7 penetrates through the positioning straight groove 24 and the positioning arc groove 31, the matching position of the positioning rod 7 and the positioning straight groove 24 is a square shaft section 75, and the positioning plate 71 is set to be capable of effectively extruding a cylinder longitudinal seam right above, so that the welding precision is improved, and the welding quality is improved.

In an embodiment of the present application, preferably, a welding gasket 72 is horizontally disposed at one end of the positioning plate 71, an axial distance from an upper surface of the welding gasket 72 to the driving turntable 3 is smaller than an inner radius of a cylinder to be welded, and the welding gasket 72 is disposed below a longitudinal seam of the cylinder, so that welding reliability is improved and a cold joint is avoided.

In an embodiment of the present application, preferably, one end of the positioning plate 71 close to the welding gasket 72 is a thin area 73, the other end of the positioning plate 71 is a thick area 74, and the thin area 73 and the thick area 74 are in smooth transition, so that when the cylinder moves from the positioning plate 71 to the welding gasket 72, the normal operation of the welding operation is prevented from being affected by vibration and the like.

In one embodiment of the present application, the bonding pad 72 is preferably made of copper, which has good pad and heat dissipation effects and low cost.

In an embodiment of the present application, preferably, a servo motor is disposed between the driving turntable 3 and the first fixed disk 2, an adjusting groove 21 is disposed on the first fixed disk 2, an induction head 22 is disposed on the adjusting groove 21, and the induction head 22 can move along the adjusting groove 21, and a sensing head 32 is disposed on the driving turntable 3; the servo motor drives the driving turntable 3 to rotate, the sensing head 32 is in contact with the sensing head 22, the servo motor stops working, and the servo motor is controlled through the sensing device, so that the welding work is more accurate.

The working principle is as follows: inserting a cylinder to be welded from a first fixing disc 2 far away from one end of a welding gasket 72, enabling a positioning plate 71 to cut into a longitudinal seam of the cylinder, adjusting the position of an induction head 22 according to the required size, starting a servo motor after the adjustment is finished, enabling an active rotary disc 3 to rotate relative to the first fixing disc 2, enabling a clamping rod 4 to synchronously move inwards to determine the axis of the cylinder and enable the longitudinal seam of the cylinder to be extruded right above the device, rotating until the induction head 22 is in contact with a sensing head 32, stopping the rotation of the servo motor, pushing a cylinder body to be pushed along the axial direction of the first positioning disc 2 at a constant speed by a pushing device, and starting welding until the welding is finished. Through the synchronous motion of the groups of clamping rods 4 along the radius direction of the first fixing disc 2, the final clamping position of the clamping rods 4 can be adjusted as required when longitudinal seams with different cylinder diameters need to be welded according to actual production requirements, the mould does not need to be frequently replaced, the time is saved, and the cost is reduced; the clamping rods 4 are synchronously clamped inwards, so that the shape of the cylinder is smooth, the longitudinal seam positioning butt joint of the cylinder is accurate, the quality of a welded finished product is greatly improved, and the production efficiency is improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A quick butt joint device for automatically welding longitudinal joints is characterized by comprising a bottom plate and a first fixed disc; the first fixed disc is arranged on the bottom plate, the axis of the first fixed disc is parallel to the bottom plate, and the number of the first fixed discs is two; a plurality of clamping rods penetrate through the first fixed disk and are circumferentially distributed relative to the axis of the first fixed disk; the clamping rod is connected with the first fixed disk through a rotary clamping assembly, and the rotary clamping assembly can drive the clamping rod to move along the radius direction of the first fixed disk.

2. The automatic longitudinal seam welding rapid butt joint device according to claim 1, characterized in that: an annular groove is formed in the first fixed disk, and an active rotary disk of the rotary clamping assembly is arranged in the annular groove; a short rod is arranged on the outer wall of the clamping rod along the radius direction of the clamping rod, a round head is arranged on the short rod, and a square head is also arranged on the short rod; a clamping straight groove corresponding to the square head is formed in the first fixed disc, a clamping arc groove corresponding to the round head is formed in the active rotary disc, one end of the clamping arc groove is close to the axis of the active rotary disc, and the other end of the clamping arc groove is far away from the axis of the active rotary disc; the square head is matched with the clamping straight groove, and the round head is matched with the clamping arc groove; and rotating the driving turntable to drive the clamping arc groove to drive the round head to move, and driving the square head to move along the clamping straight groove.

3. The automatic longitudinal seam welding rapid butt joint device according to claim 2, characterized in that: a second fixed disk is coaxially arranged between the two first fixed disks, an annular groove is formed in the second fixed disk, a driven rotary disk is arranged in the annular groove, and the driven rotary disk and the second fixed disk are also provided with the clamping arc groove and the clamping straight groove which correspond to the round head and the square head; positioning plates are further arranged in the first fixing disc and the second fixing disc in a penetrating mode, the positioning plates are connected with the first fixing disc and the second fixing disc through positioning rods, positioning straight grooves are vertically formed in the first fixing disc and the second fixing disc, and positioning arc grooves corresponding to the positioning straight grooves are formed in the driving rotary disc and the driven rotary disc; the positioning rod penetrates through the positioning straight groove and the positioning arc groove, and the matching part of the positioning rod and the positioning straight groove is a square shaft section.

4. The automatic longitudinal seam welding rapid butt joint device according to claim 3, characterized in that: and a welding gasket is horizontally arranged at one end of the positioning plate, and the distance from the upper surface of the welding gasket to the axis of the driving turntable is smaller than the inner radius of the cylinder to be welded.

5. The automatic longitudinal seam welding rapid butt joint device according to claim 4, characterized in that: one end, close to the welding gasket, of the positioning plate is a thin area, the other end of the positioning plate is a thick area, and the thin area and the thick area are in smooth transition.

6. The automatic longitudinal seam welding rapid butt joint device according to claim 4, characterized in that: the welding gasket is made of copper.

7. The automatic longitudinal seam welding rapid butt joint device according to claim 2, characterized in that: a servo motor is arranged between the driving turntable and the first fixed disk, an adjusting groove is formed in the first fixed disk, a sensing head is arranged on the adjusting groove and can move along the adjusting groove, and a sensing head is arranged on the driving turntable; the servo motor drives the driving turntable to rotate, the sensing head is in contact with the sensing head, and the servo motor stops working.