CN211661439U

CN211661439U - Welding tool

Info

Publication number: CN211661439U
Application number: CN201922453250.1U
Authority: CN
Inventors: 朱忠兵; 卢国林
Original assignee: Chongqing Lidong Machinery & Electric Co ltd
Current assignee: Chongqing Lidong Machinery & Electric Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-13
Anticipated expiration: 2029-12-30

Abstract

A welding tool is used for solving the technical problem that the traditional welding tool can only carry out butt welding processing on two steel cylinders with specific diameter size, thereby causing poor applicability, and comprises two vertical plates with opposite surfaces, a horizontal top plate, an electric welding machine with a downward welding gun, two rotating rollers which are horizontally parallel and are used for placing the butt-jointed steel cylinders, two horizontal first lead screws and a motor for driving the rotating rollers to synchronously rotate, wherein the top plate is fixed between the tops of the two vertical plates, the two rotating rollers are arranged between the two vertical plates, the two rotating rollers are vertical to the surfaces of the vertical plates, the two first lead screws respectively pass through the two vertical plates, each first lead screw is in threaded connection with the corresponding vertical plate, so that the opposite ends of the first lead screws are in non-pressure contact with the steel cylinders by rotating the first lead screws, the electric welding machine is arranged on the top plate, and can reciprocate in the vertical direction and can be locked after moving, the utility model can carry out butt welding on the steel cylinders, the welding device is mainly used for welding the annular butt joint seam of the butt joint of the two steel cylinders.

Description

Welding tool

Technical Field

The utility model relates to a circumferential weld processing technology field, concretely relates to a welding frock for welding two butt joint steel cylinder butt joint seams.

Background

In the production process, a steel cylinder is usually encountered, one end of the steel cylinder is open, the other end of the steel cylinder is closed, the steel cylinder is generally used for containing liquid substances, and manufacturers actually processing the steel cylinder often produce the steel cylinders with various diameter specifications.

According to production needs, sometimes two steel cylinders of the same specification need to be subjected to butt joint processing, the open ends of the two steel cylinders are in butt joint in the butt joint process, and then an electric welding machine is adopted to weld the butted annular joint seam, so that the sealing performance of the annular joint seam is ensured.

The device comprises a plurality of devices for carrying out seal welding on annular joints, the devices generally comprise an electric welding machine, two clamping cylinders and a motor, the clamping cylinders and the corresponding steel cylinders are matched in diameter and used for clamping the steel cylinders, the motor drives one of the clamping cylinders to rotate, the two steel cylinders are butted through the two clamping cylinders in the specific working process, then the electric welding machine starts to weld one of the two joints, the two steel cylinders are fixed together after welding, then one of the clamping cylinders is driven to rotate through the motor, and then the two steel cylinders which are fixedly connected together can be driven to rotate, so that the electric welding machine can weld the annular joints in joint rotation.

This conventional device has an objective technical drawback: in actual production, manufacturers often butt joint steel cylinders with various diameter specifications, and the traditional clamping cylinder is matched with the steel cylinder with the set specification in diameter, so that only two steel cylinders with specific diameter specifications can be welded, and the applicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is not enough to prior art, releases a welding frock for solve the traditional welding frock that mentions in the background art and can only carry out butt welding processing to two steel drums of specific diameter size, thereby cause the poor technical problem of suitability.

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

a welding tool comprises two vertical plates with opposite plate surfaces, a horizontal top plate, an electric welding machine with a downward welding gun, two parallel rotating rollers for placing a butt-joint steel cylinder, two horizontal first screw rods and a motor for driving the two rotating rollers to synchronously and unidirectionally rotate, wherein the top plate is fixed between the tops of the two vertical plates, the two rotating rollers are arranged between the two vertical plates below the top plate and are vertical to the plate surfaces of the vertical plates, the two first screw rods respectively penetrate through the two vertical plates, each first screw rod is in threaded connection with the corresponding vertical plate, the end part of each first screw rod extending between the two vertical plates is positioned above the two rotating rollers and is used for abutting against the steel cylinder above the two rotating rollers, the electric welding machine is arranged above the two rotating rollers and can reciprocate in the vertical direction and be locked after moving so as to weld the joint of the steel cylinder on the rotating rollers rotating along with the rotating rollers.

The working principle is as follows: the method comprises the steps that two steel cylinders to be subjected to butt joint processing are placed on two rotating rollers, the open ends of the two steel cylinders are opposite, then the two first screw rods are rotated, the opposite end portions of the two first screw rods are respectively abutted to the closed end portions of the two corresponding steel cylinders in a pressureless mode, the open ends of the two steel cylinders are in a tight butt joint state at the moment, then a motor is started to drive the two rotating rollers to rotate synchronously, the two rotating rollers rotate to drive the two steel cylinders to rotate synchronously, then the working height of an electric welding machine is properly adjusted in the vertical direction, a welding gun of the electric welding machine can be close to the butt joint of the two steel cylinders and weld the butt joint, the butt joint rotates synchronously along with the rotation of the two steel cylinders, and the annular butt joint of the two steel cylinders is welded by the electric welding machine until the annular butt.

The utility model has the advantages that:

the utility model discloses borrow two the electric welding and two first lead screws of live-rollers, a can be at vertical upward movement adjustment can realize carrying out butt joint welding to two steel drums of certain diameter size within range, have certain clearance between two live-rollers, consequently can place the steel drum of certain diameter size scope, and then rotate and adjust two first lead screws, can carry out the butt spacing to the steel drum of certain length size, through adjusting the electric welding from top to bottom, can weld the annular butt joint of different diameter sizes adaptively, the utility model discloses satisfy and carry out butt joint welding to two steel drums of certain diameter size scope, thereby make the utility model discloses an applicability improves greatly, is fit for popularizing and applying.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic sectional view at a section a-a in fig. 1.

Description of reference numerals: the automatic welding machine comprises a steel cylinder a, a vertical plate 1, a top plate 2, an electric welding machine 3, a rotating roller 4, a first screw rod 5, a motor 6, a pressing roller 7, a penetrating rod 8, a connecting block 9, a locking bolt 10, a second screw rod 11, a sliding block 12, a guide rod 13, a guide block 14, a limiting plate 15, a rotating handle 16, a connecting frame 17, a mounting shaft 18, a first limiting piece 19, a rotating handle 20, a second limiting piece 21, a mounting rod 22, a first belt 23 and a second belt 24.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and fig. 2, a welding tool comprises two vertical plates 1 with opposite plate surfaces, a horizontal top plate 2, an electric welding machine 3 with a welding gun facing downwards, two parallel rotating rollers 4 for placing a butt-joint steel cylinder a, two horizontal first screw rods 5 and a motor 6 for driving the two rotating rollers 4 to rotate synchronously and in the same direction, wherein the top plate 2 is fixed between the tops of the two vertical plates 1, two horizontal and parallel mounting rods 22 are arranged between the two vertical plates 1, the two mounting rods 22 are positioned on the same horizontal plane, both ends of each mounting rod 22 are embedded in the vertical plate 1 and can rotate relative to the vertical plate 1, the two rotating rollers 4 are respectively fixedly sleeved on the two mounting rods 22, the two rotating rollers 4 are arranged between the two vertical plates 1 below the top plate 2, the two rotating rollers 4 are perpendicular to the plate surfaces of the vertical plates 1, the two first screw rods 5 respectively penetrate through the vertical plates 1, and every first lead screw 5 all with the riser 1 threaded connection that corresponds to rotate first lead screw 5 and make the tip that first lead screw 5 is in opposite directions and steel cylinder a no pressure contact, electric welding 3 locates on roof 2, and this electric welding 3 can reciprocating motion and lock after removing in vertical to weld and locate the steel cylinder a seam along with the live-rollers 4 pivoted on live-rollers 4, two have certain clearance between live-rollers 4, consequently can place the steel cylinder a of certain diameter size specification on two live-rollers 4, and two first lead screws 5 butt spacing two steel cylinders a adaptively, and electric welding 3 up-and-down moves the regulation adaptively, and then satisfies two steel cylinders a to certain size within range and carry out butt joint welding processing.

Two pressing rollers 7 located on two sides of the electric welding machine 3 are arranged above the rotating roller 4, the axes of the two pressing rollers 7 are parallel to the axes of the rotating rollers 4, each pressing roller 7 is located on a perpendicular line where the two rotating rollers 4 are connected, each pressing roller 7 is matched with a first adjusting assembly used for adjusting the pressing roller 7 to move up and down and lock after moving, the pressing rollers 7 and the first adjusting assemblies are arranged, the pressing rollers 7 are vertically moved and adjusted, and the two pressing rollers 7 are respectively pressed on the two steel cylinder a, so that the bad phenomenon that the two steel cylinder a slip on the rotating rollers 4 is thoroughly prevented, and the two steel cylinder a can stably rotate. First adjusting part contains a vertical pole 8, a connecting block 9 and a locking bolt 10 of wearing to establish, wear to establish pole 8 and wear to establish roof 2 and can follow and wear to establish the direction slip, connecting block 9 is fixed at roof 2 top, locking bolt 10 and connecting block 9 threaded connection are used for supporting the pole 8 of wearing to establish of tight lock position in roof 2 top, wear to establish a link 17 of 8 bottom fixed connection of pole, fixed an installation axle 18 on this link 17, should install the epaxial cover of axle 18 and establish pinch-roller 7, and the installation axle 18 that this pinch-roller 7 can correspond relatively rotates, and this kind sets up the mode and adjusts easy operation, does benefit to the simplified operation step, makes the utility model discloses it is more practical and suitable for.

The electric welding machine 3 is adapted to a second adjusting assembly, the second adjusting assembly comprises a second lead screw 11 which is vertical and is vertically locked, a slide block 12 which is in threaded fit with the second lead screw 11, a vertical guide rod 13 and a guide block 14, the slide block 12 and the guide block 14 are respectively fixed at two sides of the electric welding machine 3, two first limiting pieces 19 are fixed on the second lead screw 11, the two first limiting pieces 19 are respectively positioned at the upper side and the lower side of the top plate 2 and are respectively abutted against the top plate 2, the second lead screw 11 penetrates through the top plate 2 and penetrates through the slide block 12, a rotating handle 20 is fixed at the top of the second lead screw 11, a second limiting piece 21 is fixed at the bottom of the second lead screw 11, the second lead screw 11 can rotate relative to the top plate 2, the guide rod 13 is fixed at the bottom of the top plate 2, a second limiting piece 21 is also fixed at the bottom of the guide rod 13, the guide rod 13 penetrates through the guide block 14 and can slide relative to the guide block 14, the setting mode can realize the adjustment of the position of the electric welding machine 3 only by rotating the second screw rod 11, also simplifies the adjusting step, reduces the manufacturing cost and reduces the processing cost.

Two the tip that first lead screw 5 is in opposite directions all fixes one can with steel cylinder a no pressure contact's limiting plate 15, connects through limiting plate 15 and steel cylinder a confined one end ground, and this kind of mode can increase the area of contact between limiting plate 15 and the steel cylinder a to prevent 5 tip of first lead screw direct and steel cylinder a confined tip contact and then with steel cylinder a fish tail, thereby guaranteed the protection to steel cylinder a appearance in the course of working, guaranteed the integrality of product. Two the equal fixed connection one of tip of first lead screw 5 dorsad is used for rotating the rotation handle 16 that corresponds first lead screw 5, through gripping rotate handle 16 and rotate corresponding first lead screw 5, can provide a more laborsaving operational environment, and greatly reduced is right the utility model discloses an the operation degree of difficulty improves the suitability.

The working principle is as follows: placing two steel cylinders a to be subjected to butt joint processing on two rotating rollers 4, enabling the open ends of the two steel cylinders a to be opposite, then rotating two first screw rods 5 through a rotating handle 16, enabling the opposite end parts of the two first screw rods 5 to drive limiting plates 15 to respectively abut against the closed end parts of the two corresponding steel cylinders a without pressure, and ensuring that the open ends of the two steel cylinders a are in a tight abutting state at the moment, completing the positioning of the two steel cylinders a on the rotating rollers 4 at the moment, then screwing out two locking bolts 10, appropriately moving a penetrating rod 8 vertically, enabling a pressing roller 7 on the penetrating rod 8 to abut against and press the corresponding steel cylinders a, then starting a motor 6, connecting a first belt 23 at the output end of the motor 6, hanging the first belt 23 on one of the mounting rods 22 to drive the mounting rods 22 to rotate, hanging a second belt 24 between the two mounting rods 22, thereby make two installation poles 22 rotate in step under the effect of second belt 24, and then drive two live-rollers 4 and rotate in step, two live-rollers 4 rotate this moment will drive two steel section of thick bamboo a and rotate in step, later suitably adjust in vertical the working height of electric welding 3 rotates second lead screw 11, this second lead screw 11 drive electric welding 3 and move in vertical upwards, until making electric welding 3's welder can be close to two steel section of thick bamboo a's butt joint seam and weld the butt joint seam, along with two steel section of thick bamboo a's rotation, the butt joint seam also rotates in step, until electric welding 3 finishes with the annular butt joint seam welding processing of two steel section of thick bamboo a.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a welding frock which characterized in that: comprises two vertical plates (1) with opposite surfaces, a horizontal top plate (2), an electric welding machine (3) with a welding gun facing downwards, two parallel rotating rollers (4) for placing butt-joint steel cylinders (a), two horizontal first screw rods (5) and a motor (6) for driving the two rotating rollers (4) to synchronously and synchronously rotate, wherein the top plate (2) is fixed between the tops of the two vertical plates (1), the two rotating rollers (4) are arranged between the two vertical plates (1) below the top plate (2) and the two rotating rollers (4) are vertical to the surfaces of the vertical plates (1), the two first screw rods (5) respectively penetrate through the two vertical plates (1), each first screw rod (5) is in threaded connection with the corresponding vertical plate (1), the end part of the two first screw rods (5) extending into the space between the two vertical plates (1) is positioned above the two rotating rollers (4) for abutting against the steel cylinders (a) above the two rotating rollers (4), the electric welding machine (3) is arranged above the two rotating rollers (4), and the electric welding machine (3) can reciprocate in the vertical direction and is locked after moving so as to weld the seam of the steel cylinder (a) on the rotating rollers (4) rotating along with the rotating rollers (4).

2. The welding tool of claim 1, wherein: two pressure rollers (7) located on two sides of the electric welding machine (3) are arranged above the rotating roller (4), the axes of the two pressure rollers (7) are parallel to the axis of the rotating roller (4), each pressure roller (7) is located between the two rotating rollers (4), and each pressure roller (7) is matched with a first adjusting component which is used for adjusting the pressure roller (7) to move up and down and is locked after moving.

3. The welding tool of claim 2, wherein: first adjusting part contains a vertical pole (8), a connecting block (9) and a locking bolt (10) of wearing to establish, wear to establish pole (8) and wear to establish roof (2) and can follow and establish the direction slip, connecting block (9) are fixed at roof (2) top, locking bolt (10) and connecting block (9) threaded connection are used for supporting the locking and are located roof (2) top wear to establish pole (8), the pole (8) bottom of wearing to establish that corresponds is located in pinch roller (7).

4. The welding tool of any one of claims 1-3, wherein: second adjusting part of electric welding (3) adaptation, this second adjusting part contains second lead screw (11) that a vertical and vertical locking, one with second lead screw (11) screw-thread fit's slider (12), a vertical guide bar (13) and a guide block (14), slider (12), guide block (14) are fixed respectively in electric welding (3) both sides, roof (2) are worn to establish in second lead screw (11) and are worn to establish slider (12), roof (2) rotate relatively in this second lead screw (11), guide bar (13) are fixed in roof (2) bottom, guide block (14) and can slide relatively guide block (14) are worn to establish in this guide bar (13).

5. The welding tool of any one of claims 1-3, wherein: and the opposite end parts of the two first screw rods (5) are respectively fixed with a limiting plate (15) which can be in no pressure contact with the steel cylinder (a).

6. The welding tool of any one of claims 1-3, wherein: the two ends of the first screw rods (5) opposite to each other are fixedly connected with a rotating handle (16) which is used for rotating the corresponding first screw rods (5).