CN219521099U - A copper pipe welding and fixing structure - Google Patents

Abstract

The utility model relates to the technical field of welding and discloses a copper pipe welding and fixing structure which comprises an operating table, a positioning rolling device, a clamping device and a driving device, wherein the driving device comprises a left-handed screw, a right-handed screw, a transmission connecting block and a screw fixing seat, the left-handed screw and the right-handed screw are coaxial and fixedly connected to form a bidirectional screw, the transmission connecting block is pushed by rotation of the bidirectional screw, the transmission connecting block pushes the connecting plate to slide, two groups of rollers are close to each other in opposite directions and can support copper pipes, the distance between the rollers close to each other in opposite directions can also be adjusted according to the diameter of the copper pipes, the bidirectional screw rotates by shaking the other handle, and the two clamping fixing plates are pushed to close to each other by the bidirectional screw.

Description

A copper pipe welding and fixing structure

technical field

The utility model belongs to the field of welding technology, in particular to a brass pipe welding and fixing structure.

Background technique

The prior art discloses a fixing frame for welding (CN201110137101.X), which includes a base and a slider. The base is provided with a chute for the slider to slide, and the slider is provided with threaded holes. The slider is threadedly connected to a screw through a threaded hole, the lower end of the screw is connected to a fixed block, the fixed block is located in the chute and partly overlaps with the upper wall of the chute, and the slider is provided with Welding clips;

In the prior art, part of the fixed block in the chute overlaps with the upper wall of the chute, and the welding parts are fixed by the welding frame on the slider to achieve a fixed welding effect. The copper pipe is fixed by two plates clamping each other, but the two pieces The distance between the boards is fixed, which results in only one type of copper pipe being clamped and fixed. When the diameter of the copper pipe is larger or smaller than the distance between the two boards, it will cause the problem that it cannot be clamped. There are limitations in the process. When welding to the back, the clamp needs to be released to readjust the welding position, and the clamping range of the clamp is not wide.

In view of this, the utility model is proposed.

Utility model content

In order to solve the problems of the technologies described above, the basic idea of the technical solution adopted by the utility model is:

A copper pipe welding and fixing structure, including an operating table, a positioning and rolling device, a clamping device and a driving device, the driving device includes a left-handed screw rod, a right-handed screw rod, a transmission connection block and a screw fixing seat, and the left-handed The screw rod is coaxial and fixedly connected to form a two-way screw rod. The two-way screw rod is connected to the screw fixing seat in rotation. The screw fixing seat is fixedly connected to the operating table. Slidingly connected with the operating table, the positioning rolling device is installed on the transmission connection block, and the clamping device is driven by a two-way screw rod. The positioning rolling device includes a roller, a fixed plate and a connecting plate. The roller is cylindrical, and the roller and the fixed plate are rotatably connected. Fixed connection between the fixed plate and the connecting plate, fixed connection between the connecting plate and the transmission connection block, sliding connection between the connecting plate and the operating table, the clamping device includes a clamping fixed plate and a clamping adjustment plate, and an elastic connection between the clamping fixed plate and the clamping adjustment plate , the clamping fixing plate is threadedly connected with another two-way screw rod, and two rows of positioning and rolling devices are arranged symmetrically on the top surface of the console. Two sets of clamping devices are also arranged on the surface, and the two sets of clamping devices are driven by another two-way screw to close to each other to clamp the copper pipe.

As a preferred embodiment of the present invention, the positioning and rolling device further includes a slider and a slide rail, the slider and the slide rail are slidably connected, the slide rail is fixedly connected to the operating table, and the connecting plate is fixedly connected to the slider.

As a preferred embodiment of the present invention, the positioning and rolling device contains at least four rollers, and the rollers are symmetrically arranged in pairs, each roller is fixedly connected to the connecting plate through the corresponding fixing plate, and the driving device pushes the mutually symmetrical The two rollers move towards each other synchronously.

As a preferred embodiment of the present utility model, the clamping and fixing plate is in the shape of a "U", the clamping and fixing plate is inclined toward the side of the roller, and the two clamping and fixing plates are arranged in an inner figure-eight shape.

As a preferred embodiment of the present invention, the clamping device also includes a half-threaded bolt and a spring, a rectangular groove is opened on the clamping fixing plate, and the clamping adjusting plate is movably connected to the clamping fixing plate through the half-threaded bolt, Half threaded bolt and spring articulation.

As a preferred embodiment of the present invention, the clamping and fixing plate is provided with a circular hole, the clamping adjustment plate is provided with a threaded hole, the half-threaded bolt passes through the circular hole on the clamping and fixing plate and the clamping adjustment The plate is threaded, and the half-threaded bolt passes through the hollow part of the spring to connect with the clamping adjustment plate.

As a preferred embodiment of the present invention, the clamping adjustment plate is a rectangular plate, the clamping adjustment plate can be close to the clamping fixing plate and embedded in a rectangular groove on the wall surface of the clamping fixing plate, the thickness of the clamping adjusting plate is the same as The rectangular grooves on the clamping plate are of equal depth.

Compared with the prior art, the utility model has the following beneficial effects:

1. Push the transmission connection block through the rotation of the two-way screw, and the transmission connection block pushes the connection plate to slide. The two sets of rollers are close to each other to support the copper pipe. The distance between the rollers can also be adjusted according to the diameter of the copper pipe. By shaking the other The handle rotates the two-way screw rod, and the two-way screw rod pushes the two clamping and fixing plates close to each other, and the clamping fixing plate and the clamping adjustment plate are close to clamping and fixing the copper tube to be welded, so the device can be adjusted according to the diameter of the copper tube The sliding distance between the roller and the clamping plate meets the welding requirements of copper pipes of different specifications.

2. The two-way screw rod pushes the transmission connection block to slide, the transmission connection block pushes the connection plate and the slider to slide on the slide rail at the same time, and the rollers on the left and right sides slide at the same time to ensure the consistency of holding the copper pipe and better hold the copper pipe , when the two sets of rollers hold the copper pipe, the rollers can rotate, and the rotation of the rollers drives the rotation of the copper pipe, which is convenient for welding.

3. Open a gap to make it in the shape of "U", which is convenient for observation and welding. When the copper tube is clamped, it will receive the radial force from the copper tube, which will make the copper tube move up and tilt towards the side, which can give the copper tube A downward force allows the copper tube to be better fixed, which facilitates accurate, fast and efficient welding during welding, is not easy to produce partial welding, and improves the welding pass rate.

4. When clamping the fixed plate to clamp the copper tube, the clamping adjusting plate will be subjected to the lateral force of the copper tube, and the clamping adjusting plate will squeeze the spring to move the clamping adjusting plate into the rectangular groove on the wall of the clamping fixed plate, and at the same time the spring will It will also give the clamping adjustment plate a force in the direction of the copper tube, which can better protect the copper tube so that it will not be deformed. When welding needs to be rotated, the clamping force of the clamping fixed plate will not be too large As a result, the copper tube cannot be rotated.

Below in conjunction with accompanying drawing, the specific embodiment of the utility model is described in further detail.

Description of drawings

In the attached picture:

Fig. 1 is the three-dimensional schematic view of the utility model;

Fig. 2 is a schematic diagram of the positioning and rolling device of the present invention;

Fig. 3 is a schematic diagram of the clamping device of the present invention;

Fig. 4 is a schematic diagram of explosion of the clamping device of the present invention.

In the figure: 10, operating table; 20, positioning rolling device; 21, roller; 22, fixed rod; 23, connecting plate; 24, slider; 25, slide rail; 30, clamping device; 31, clamping fixed plate ; 32, clamping adjustment plate; 33, half-threaded bolt; 34, spring

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used for illustration The utility model.

A copper tube welding and fixing structure, as shown in Figure 1, includes an operating table 10, a positioning rolling device 20, a clamping device 30 and a driving device, and the driving device includes a left-handed screw mandrel, a right-handed screw mandrel, a transmission connection block and a wire The rod fixing seat, the left-handed screw rod and the right-handed screw rod are coaxial and fixedly connected to form a two-way screw rod. It is threadedly connected with the two-way screw, the transmission connection block is slidingly connected with the console 10, the positioning rolling device 20 is installed on the transmission connection block, the clamping device 30 is driven by the two-way screw rod, the positioning and rolling device 20 includes a roller 21, a fixed rod 22 and a connection The plate 23 and the roller 21 are cylindrical, the roller 21 is connected to the fixed rod 22 in rotation, the fixed rod 22 is fixedly connected to the connecting plate 23, the connecting plate 23 is fixedly connected to the transmission connection block, the connecting plate 23 is connected to the operating table 10 by sliding, clamping The device 30 comprises a clamping fixed plate 31 and a clamping adjusting plate 32, the clamping fixing plate 31 and the clamping adjusting plate 32 are elastically connected, the clamping fixing plate 31 is threadedly connected with another two-way screw mandrel, and the positioning rolling device 20 is in two positions. Between the two clamping devices 30, two rows of positioning and rolling devices 20 are symmetrically arranged on the top surface of the console 10, and the two rows of positioning and rolling devices 20 are driven by two-way screw rods to approach and support the copper pipe. The top surface of the console 10 is also provided with Two sets of clamping devices 30, the two sets of clamping devices 30 are driven by another two-way screw rod to clamp the copper tube in opposite directions. The front side of the rod is a right-handed screw rod and the rear side is a left-handed screw rod. The transmission connection block fixedly connected with the positioning rolling device 20 is threadedly connected with the two-way screw rod, and the transmission connection block is pushed by the rotation of the two-way screw rod, and the transmission connection block pushes the connecting plate. 23 sliding, the two sets of rollers 21 are close to each other to support the copper tube, the distance between the rollers 21 can also be adjusted according to the diameter of the copper tube, the two-way screw is rotated by shaking the other handle, and the two-way screw pushes the two clamps The fixing plates 31 are close to each other, and the clamping fixing plate 31 and the clamping adjusting plate 32 are close to clamping and fixing the copper pipe to be welded, so the device can adjust the sliding distance of the roller 21 and the clamping fixing plate 31 according to the diameter of the copper pipe. Meet the welding needs of copper pipes of different specifications.

As shown in Figure 2, the positioning rolling device 20 also includes a slide block 24 and a slide rail 25, the slide block 24 and the slide rail 25 are slidingly connected, the slide rail 25 is fixedly connected to the operating table 10, and the connecting plate 23 is fixedly connected to the slide block 24, The positioning rolling device 20 contains at least four rollers 21, and the rollers 21 are symmetrically arranged in pairs. Each roller 21 is fixedly connected to the connecting plate 23 through a corresponding fixed rod 22, and the driving device pushes the two symmetrical rollers 21 to approach each other synchronously. , the left and right sides are respectively symmetrically distributed with sliders 24 and slide rails 25, the middle of the slider 24 is provided with a groove, the two sides of the slide rail 25 are provided with notches matching with the slider 24, the connecting plate 23 and the sliders on both sides 24 is fixedly connected, rotate the hand crank to push the two-way screw to rotate, the two-way screw pushes the transmission connection block to slide, the transmission connection block pushes the connection plate 23 and the slider 24 to slide on the slide rail 25 at the same time, and the rollers 21 on the left and right sides slide at the same time to ensure The consistency of supporting the copper pipe is better to support the copper pipe. When the two sets of rollers 21 are supporting the copper pipe, the rollers 21 can rotate, and the rotation of the rollers 21 drives the rotation of the copper pipe, which is convenient for welding.

As shown in Figure 3, the clamping and fixing plate 31 is in the shape of a "U", and the clamping and fixing plate 31 is inclined towards the side of the roller 21, and the two clamping and fixing plates 31 are distributed in an inner figure-eight shape. When the copper pipe is clamped, the welding starts At the same time, the welder is not easy to observe the welding situation, so a gap is opened in the clamping plate 31, so that the clamping plate 31 is in a "U" shape, which is convenient for observation and welding. When the clamping plate 31 clamps the copper pipe, the clamping Tightening the fixing plate 31 will be subjected to radial force from the copper tube, which will cause the copper tube to move upward, and the clamping fixing plate 31 will tilt towards the side of the roller 21, which can give the copper tube a downward force, so that the copper tube can be better fixed. It is convenient for accurate, fast and efficient welding during welding, and it is not easy to produce partial welding, which improves the welding qualification rate.

As shown in Figure 4, the clamping device 30 also includes a half-threaded bolt 33 and a spring 34, a rectangular groove is provided on the clamping fixing plate 31, and the clamping adjusting plate 32 is movably connected with the clamping fixing plate 31 through the half-threaded bolt 33, Half-threaded bolt 33 and spring 34 are movably connected, and clamping fixed plate 31 has circular hole, and clamping adjusting plate 32 has threaded hole, and half-threaded bolt 33 passes the circular hole on clamping fixed plate 31 and clamps. The adjusting plate 32 is threaded, and the half-threaded bolt 33 passes through the hollow part of the spring 34 to connect with the clamping adjusting plate 32. The clamping adjusting plate 32 is a rectangular plate, and the clamping adjusting plate 32 can be close to the clamping fixed plate 31 and embedded for clamping. In the rectangular groove on the wall surface of the fixing plate 31, the thickness of the clamping adjusting plate 32 is equal to the depth of the rectangular groove on the clamping fixing plate 31. When the clamping fixing plate 31 clamps the copper tube, the clamping adjusting plate 32 will be subjected to the force of the copper tube. Lateral force, the clamping adjustment plate 32 squeezes the spring 34 to move the clamping adjustment plate 32 to the rectangular groove on the wall of the clamping fixed plate 31, and the spring 34 will also give the clamping adjustment plate 32 a force in the direction of the copper pipe, This can better protect the copper tube so that it will not be deformed. When the welding needs to be rotated, the copper tube will not be unable to rotate because the clamping force of the clamping plate 31 is too large.

Working principle: two two-way screw rods are driven to rotate by shaking two handles. The rods are threaded, and the transmission connection block is driven by the rotation of the two-way screw, and the transmission connection block pushes the connection plate 23 to slide, and the two sets of rollers 21 are close to each other to support the copper pipe. The distance between the rollers 21 can also be adjusted according to the diameter of the copper pipe. , by shaking the other handle to make the two-way screw mandrel rotate, the two-way screw mandrel pushes two clamping fixed plates 31 to approach each other, and the clamping fixed plate 31 and the clamping adjustment plate 32 are close to clamping and fixing the copper pipes that need to be welded.

It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalents can be made to these features and embodiments without departing from the spirit and scope of the utility model replace. In addition, the features and embodiments may be modified to adapt a particular situation and material to the teachings of the invention without departing from the spirit and scope of the invention. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the application belong to the protection scope of the utility model.

Claims (7)

1. A copper tube welding and fixing structure, comprising an operating table (10), a positioning rolling device (20), a clamping device (30) and a driving device, the driving device includes a left-handed screw mandrel, a right-handed screw mandrel, and a transmission connection block And the screw fixing seat, the left-hand screw and the right-hand screw are coaxial and fixedly connected to form a two-way screw, the two-way screw is connected to the screw fixing seat in rotation, and the screw fixing seat is fixedly connected to the operating table (10) , the transmission connection block is threadedly connected with the two-way screw rod, the transmission connection block is slidingly connected with the console (10), the positioning rolling device (20) is installed on the transmission connection block, and the clamping device (30) is driven by a two-way screw rod, which is characterized in that , the positioning rolling device (20) comprises a roller (21), a fixed rod (22) and a connecting plate (23), the roller (21) is cylindrical, the roller (21) and the fixed rod (22) are rotationally connected, and the fixed rod (22) is fixedly connected with the connecting plate (23), the connecting plate (23) is fixedly connected with the transmission connection block, the connecting plate (23) is slidingly connected with the operating table (10), and the clamping device (30) includes clamping the fixed plate ( 31) and the clamping adjustment plate (32), the clamping fixed plate (31) is elastically connected with the clamping adjusting plate (32), the clamping fixed plate (31) is threaded with another two-way screw mandrel, and the operating table (10 ) is symmetrically arranged on the top surface of two rows of positioning and rolling devices (20), and the two rows of positioning and rolling devices (20) are driven by two-way screw rods to approach and support the copper pipe. device (30), two groups of clamping devices (30) are driven by another two-way screw mandrel and close to clamping the copper pipe. 2. A copper pipe welding and fixing structure according to claim 1, characterized in that, the positioning rolling device (20) also includes a slider (24) and a slide rail (25), and the slider (24) and a slider The rail (25) is slidably connected, the slide rail (25) is fixedly connected to the operating table (10), and the connecting plate (23) is fixedly connected to the slide block (24). 3. A copper pipe welding and fixing structure according to claim 1, characterized in that, the positioning rolling device (20) comprises at least four rollers (21), and the rollers (21) are symmetrically arranged in pairs, each The two rollers (21) are fixedly connected with the connecting plate (23) through the corresponding fixed rods (22), and the driving device promotes the two symmetrical rollers (21) to approach each other synchronously. 4. A brass pipe welding and fixing structure according to claim 1, characterized in that, the clamping and fixing plate (31) is in the shape of a "U", and the clamping and fixing plate (31) is inclined toward the side of the roller (21) , the two clamping and fixing plates (31) are distributed in a figure-eight shape. 5. A copper pipe welding and fixing structure according to claim 1, characterized in that, the clamping device (30) also includes a half-threaded bolt (33) and a spring (34), clamping the fixing plate (31) A rectangular groove is provided on the top, and the clamping adjustment plate (32) is movably connected with the clamping fixed plate (31) by the half-threaded bolt (33), and the half-threaded bolt (33) is movably connected with the spring (34). 6. A copper pipe welding and fixing structure according to claim 5, characterized in that, the clamping and fixing plate (31) has a circular hole, and the clamping adjustment plate (32) has a threaded hole, half threaded Bolt (33) passes through the circular hole on the clamping fixed plate (31) and clamps the adjustment plate (32) to be threaded, and the half-threaded bolt (33) passes through the hollow part of spring (34) and clamps the adjustment plate ( 32) Connect. 7. A copper pipe welding and fixing structure according to claim 5, characterized in that, the clamping adjustment plate (32) is a rectangular plate, and the clamping adjustment plate (32) can be close to the clamping fixing plate (31) And embedded in the rectangular groove of clamping fixed plate (31) wall surface, the thickness of clamping adjusting plate (32) is equated with the rectangular groove depth on the clamping fixed plate (31).