CN216607952U

CN216607952U - Welding machine

Info

Publication number: CN216607952U
Application number: CN202123284329.XU
Authority: CN
Inventors: 陈洪; 王强国; 马东; 谢文卿; 史国富
Original assignee: Wuhan Mountain Industry Co ltd
Current assignee: Wuhan Mountain Industry Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-27
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a welding machine which comprises a table board, wherein a support frame is fixed in the middle of the table board, a first electric telescopic rod is installed on the lower side of the middle of the support frame, a welding machine is installed at the lower end of the first electric telescopic rod, an arc-shaped rod is hinged in the middle of a movable rod in the first electric telescopic rod, a polishing disc is installed at the lower end of the arc-shaped rod, a main support table is arranged at one end, facing the support frame, of a sliding block, a second electric telescopic rod is arranged at the lower side of the main support table, a support seat is fixed at the upper side of the second electric telescopic rod, and pressing assemblies are arranged right above the support seat and on the auxiliary support table Slag and other impurities.

Description

Welding machine

Technical Field

The utility model relates to the field of welding machines, in particular to a welding machine.

Background

The welding machine has various types, including single-point single function, single-point double function and single-point multiple function, the welding functions and the working efficiency of different types of welding machines are different, and the welding machine is often used for welding two metal pipes to ensure the firmness and the tightness of the connection between the metal pipes.

After the welding of the metal pipes is finished by the conventional welding machine, the surface of the welding position between the two metal pipes is uneven, polishing treatment is often needed at the later stage, and one-time machining forming cannot be realized, so that the machining time is prolonged, and the efficiency is not improved.

Chinese patent discloses a welding machine with function of polishing, (grant publication number CN211053075U), this patent technique can drive the tubular metal resonator through servo motor and rotate, is favorable to the junction between the tubular metal resonator to be heated evenly, improves welded firmness between the tubular metal resonator, makes things convenient for the later stage sander to evenly polish the junction simultaneously, however, its clamp to the tubular metal resonator presss from both sides tightly unstably, during the rotation, frictional force is great, and sets up the sander alone, and the structure is complicated. Accordingly, one skilled in the art provides a welding machine to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a welding machine which comprises a table board, wherein a support frame is fixed in the middle of the table board, a first electric telescopic rod is installed on the lower side of the middle of the support frame, a welding machine is installed at the lower end of the first electric telescopic rod, an arc-shaped rod is hinged to the middle of a middle movable rod of the first electric telescopic rod, a polishing piece is installed at the lower end of the arc-shaped rod, the middle of the arc-shaped rod is hinged to the support frame, a limiting groove is formed in the middle of the table board, sliding blocks are connected in the limiting groove in a bilaterally symmetrical and sliding mode, and the sliding blocks are connected with the end portions of the limiting groove through a second pneumatic telescopic rod;

a main supporting platform is arranged at one end, facing the supporting frame, of the sliding block, an auxiliary supporting platform is arranged at the other end of the sliding block, an electric telescopic rod II is arranged on the lower side of the main supporting platform, a supporting seat is fixed on the upper side of the electric telescopic rod II, pressing assemblies are arranged above the supporting seat and on the auxiliary supporting platform respectively, the pressing assemblies above the supporting seat are installed on a pressing plate, and the pressing plate is connected with the sliding block through a pneumatic telescopic rod;

the pressing assembly comprises two fixed pulleys and a tensioning wheel which are distributed in a triangular mode, the fixed pulleys are connected with a motor, the outer sides of the fixed pulleys and the tensioning wheel are connected with a clamping belt, the tensioning wheel is rotatably connected to the rack, and the rack is connected with a tensioning spring to keep the clamping belt tensioned.

Preferably: one end of the arc-shaped rod, which is close to the first electric telescopic rod, is provided with a groove-shaped hole, and the articulated shaft is movably connected in the groove-shaped hole.

Preferably: the middle part of the arc-shaped rod is provided with telescopic sleeves, the sleeves are fixed through bolts, the position of the end part can be adjusted, and the arc-shaped rod is suitable for metal pipes with different apertures.

Preferably: the upside of supporting seat is the arc of downwards concave, and curved both ends all rotate and are connected with the running roller, help location.

Preferably: the distance between two fixed pulleys above the supporting seat is greater than the distance between two rollers below, so that clamping is more stable.

Preferably: the polishing piece is arc-shaped, the polishing piece is installed on the installation seat through a bolt, and the installation seat is fixedly connected to the lower end of the arc-shaped rod and is convenient to replace.

The utility model has the technical effects and advantages that:

1. the utility model clamps through the clamping assembly, compresses tightly by utilizing the clamping belt, increases the contact area, ensures more stable clamping, can change the processing height, can adapt to metal pipes with different pipe diameters, and can rotate in the processing process, thereby ensuring more uniform processing.

2. According to the utility model, the arc-shaped rod is driven to move by the electric telescopic rod, so that the polishing sheet is driven to be tightly pressed on the metal pipe, and the impurities such as burrs, molten slag and the like generated by welding can be eliminated.

Drawings

FIG. 1 is a schematic perspective view of a welding machine according to an embodiment of the present disclosure;

FIG. 2 is a left side view schematic diagram of a welding machine according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a top view of a welding machine according to an embodiment of the present disclosure;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is a schematic structural diagram of a mounting seat in a welding machine according to a second embodiment of the present application;

in the figure: 1. a table top; 2. a support frame; 3. a first electric telescopic rod; 4. welding machine; 5. an arcuate bar; 6. grinding the sheets; 7. a limiting groove; 8. a first pneumatic telescopic rod; 9. a main support table; 10. a secondary support table;

11. a second pneumatic telescopic rod; 12. pressing a plate; 13. a compression assembly; 14. a supporting seat; 15. a second electric telescopic rod; 16. a fastener strip; 17. a fixed pulley; 18. a tension wheel; 19. tensioning the spring; 20. and (7) mounting a seat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 4, in the present embodiment, a welding machine is provided, which includes a table top 1, a supporting frame 2 is fixed in the middle of the table top 1, an electric telescopic rod i 3 is installed at the lower side of the middle of the supporting frame 2, a welding machine 4 is installed at the lower end of the electric telescopic rod i 3, an arc-shaped rod 5 is hinged in the middle of a movable rod in the electric telescopic rod i 3, a polishing piece 6 is installed at the lower end of the arc-shaped rod 5, the middle of the arc-shaped rod 5 is hinged on the supporting frame 2, a groove-shaped hole is formed in one end, close to the first electric telescopic rod 3, of the arc-shaped rod 5, a hinged shaft is movably connected in the groove-shaped hole, a telescopic sleeve is arranged in the middle of the arc-shaped rod 5, the sleeve is fixed through a bolt, the position of the end part can be adjusted to adapt to metal pipes with different apertures, a limiting groove 7 is arranged in the middle of the table board 1, sliding blocks are connected in the limiting groove 7 in a bilateral-symmetric sliding mode, and the sliding blocks are connected with the end part of the limiting groove 7 through a second pneumatic telescopic rod 11;

a main supporting platform 9 is arranged at one end of the sliding block, which faces the supporting frame 2, an auxiliary supporting platform 10 is arranged at the other end of the sliding block, a second electric telescopic rod 15 is arranged at the lower side of the main supporting platform 9, a supporting seat 14 is fixed at the upper side of the second electric telescopic rod 15, the upper side of the supporting seat 14 is in a downward concave arc shape, the two ends of the arc shape are rotatably connected with rollers to help positioning, pressing components 13 are arranged right above the supporting seat 14 and on the auxiliary supporting platform 10, the pressing components 13 above the supporting seat 14 are arranged on a pressing plate 12, and the pressing plate 12 is connected with the sliding block through a first pneumatic telescopic rod 8;

the pressing assembly 13 comprises two fixed pulleys 17 and a tensioning wheel 18 which are distributed in a triangular mode, the fixed pulleys 17 are connected with a motor, the outer sides of the fixed pulleys 17 and the tensioning wheel 18 are connected with a clamping belt 16, the tensioning wheel 18 is rotatably connected to the rack, the rack is connected with a tensioning spring 19, the clamping belt 16 is kept tensioned, and the distance between the two fixed pulleys 17 above the supporting seat 14 is larger than the distance between the two rollers below the supporting seat, so that clamping is more stable.

The working principle of the utility model is as follows: when the device is used, one ends of two metal pipes are inserted into the upper sides of the sliding blocks on one side respectively, the metal pipes can be clamped and fixed by the pressing assemblies 13, the height of the electric telescopic rods is adjusted by the aid of the two electric telescopic rods 15, the metal pipes are clamped by the pressing assemblies 13, when the metal pipes are clamped, the pneumatic telescopic rods 8 are shortened to drive the pressing plates 12 to move downwards, the clamping belts 16 are pressed on the metal pipes and tensioned, the tensioning wheels 18 are stressed to move downwards, the tensioning springs 19 are stretched, the fixed pulleys 17 on the two sides are matched with the supporting seats 14 below to clamp the metal pipes, the pressing assemblies 13 on the auxiliary supporting table 10 are identical, and the metal pipes fall between the fixed pulleys 17 to be positioned in an auxiliary mode.

After fixed the completion, drive the slider through pneumatic telescopic handle two 11 and remove, make the tip butt joint of tubular metal resonator, electric telescopic handle 3 extensions, welding machine 4 welds, the welded in-process, the motor drives fixed pulley 17 and rotates, and then drive the rotation of clamp belt 16, carry out weldment work, after the completion, shorten through electric telescopic handle one 3, and then drive arc pole 5 and rotate, make polishing piece 6 press on the tubular metal resonator that has processed, polish, thereby be favorable to eliminating the burr because of the welding produces, impurity such as slag, two functions of polishing will weld are concentrated in an organic whole, be favorable to improving staff's work efficiency, reduce the process flow.

Example 2

Referring to fig. 5, in the embodiment, the polishing sheet 6 is arc-shaped, the polishing sheet 6 is mounted on the mounting seat 20 through a bolt, and the mounting seat 20 is fixedly connected to the lower end of the arc-shaped rod 5, so that the replacement is convenient.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A welding machine comprises a table board (1), wherein a support frame (2) is fixed in the middle of the table board (1), a first electric telescopic rod (3) is installed on the lower side of the middle of the support frame (2), and a welding machine (4) is installed at the lower end of the first electric telescopic rod (3), and is characterized in that an arc-shaped rod (5) is hinged to the middle of a movable rod in the first electric telescopic rod (3), a polishing piece (6) is installed at the lower end of the arc-shaped rod (5), a limiting groove (7) is formed in the middle of the table board (1), sliding blocks are symmetrically connected in the limiting groove (7) in a sliding mode, and are connected with the end portion of the limiting groove (7) through a second pneumatic telescopic rod (11);

a main supporting platform (9) is arranged at one end of the sliding block, which faces the supporting frame (2), an auxiliary supporting platform (10) is arranged at the other end of the sliding block, an electric telescopic rod II (15) is arranged on the lower side of the main supporting platform (9), a supporting seat (14) is fixed on the upper side of the electric telescopic rod II (15), pressing components (13) are arranged right above the supporting seat (14) and on the auxiliary supporting platform (10), the pressing components (13) above the supporting seat (14) are installed on a pressing plate (12), and the pressing plate (12) is connected with the sliding block through a pneumatic telescopic rod I (8);

the pressing assembly (13) comprises two fixed pulleys (17) and a tensioning wheel (18) which are distributed in a triangular mode, the fixed pulleys (17) are connected with a motor, the outer sides of the fixed pulleys (17) and the tensioning wheel (18) are connected with a clamping belt (16), the tensioning wheel (18) is rotatably connected to a rack, and the rack is connected with a tensioning spring (19).

2. A welding machine as claimed in claim 1, characterized in that the end of said arc-shaped rod (5) close to the first electric telescopic rod (3) is provided with a slotted hole in which the articulated shaft is articulated.

3. A welding machine according to claim 1, characterized in that the middle of the arc-shaped bar (5) is a telescopic sleeve, and the sleeves are fixed by bolts.

4. A welding machine according to claim 1, characterized in that the upper side of the support (14) is in the shape of a downwardly concave arc, and rollers are rotatably connected to both ends of the arc.

5. A welding machine according to claim 1, characterized in that the distance between the two fixed pulleys (17) above said support (14) is greater than the distance between the two rollers below.

6. A welding machine according to claim 1, characterized in that said grinding disc (6) is arc-shaped, the grinding disc (6) being mounted on a mounting seat (20) by means of bolts, the mounting seat (20) being fixedly connected to the lower end of the arc-shaped bar (5).