CN218225355U

CN218225355U - Welding fixture for metal pipe

Info

Publication number: CN218225355U
Application number: CN202122748108.7U
Authority: CN
Inventors: 马依琳
Original assignee: Shijiazhuang Chuangjun Industry And Trade Co ltd
Current assignee: Shijiazhuang Chuangjun Industry And Trade Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2023-01-06
Anticipated expiration: 2031-11-10

Abstract

The application relates to a welding fixture for a metal pipe, which comprises a base, a plurality of support frames arranged on the base, rollers rotatably connected to the support frames and a driving device arranged on the support frames, wherein the support frames are linearly arranged; the driving device comprises a driving rod which is rotationally connected to the supporting frame and a motor which is fixedly arranged on the supporting frame, and the motor is used for driving the driving rod to rotate; a driving gear is fixedly arranged on the driving rod, a driven gear is coaxially and fixedly connected to the roller wheel, and the driven gear is meshed with the driving gear; the supporting frame is provided with a speed reducer, and the speed reducer is connected with the motor and the driving rod and used for transmitting the torque of the motor and reducing the rotating speed of the driving rod. Establish synchronous rotation on the gyro wheel through making two tubular metal resonator that treat welding, this application can reach the convenient degree that improves weldment work and the effect of raising the efficiency.

Description

Welding fixture for metal pipe

Technical Field

The application relates to the technical field of high-end equipment manufacturing, in particular to a welding fixture for a metal pipe.

Background

The high-end equipment manufacturing refers to the high-end field of the equipment manufacturing industry, and the high end mainly represents three aspects, namely, the high technical content, the knowledge and the technology are intensive, and the inheritance of multidisciplinary and multi-field high-precision technologies is embodied; secondly, the method is at the high end of a value chain and has the characteristic of high added value; thirdly, occupy the core position at the industrial chain, its development level decides the whole competitiveness of industrial chain, and equipment is made and is left the welding technique, and welding jig then plays important role to welding quality, but welding work often just uses the bench vice centre gripping work piece now, or directly welds subaerial, and inconvenient welding clamp is tight, when welding the reverse side of work piece, need loosen the work piece, then overturn the work piece to weld the work piece, not only reduced welding efficiency but also reduced welded quality.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency and the welding quality of welding work, this application provides a welding jig of tubular metal resonator.

The application provides a welding jig of tubular metal resonator adopts following technical scheme:

a welding fixture for metal pipes comprises a base, a plurality of support frames arranged on the base, rollers rotatably connected to the support frames and a driving device arranged on the support frames, wherein the support frames are arranged in a straight line; the driving device comprises a driving rod which is rotationally connected to the supporting frame and a motor which is fixedly arranged on the supporting frame, and the motor is used for driving the driving rod to rotate; the driving rod is fixedly provided with a driving gear, the roller wheel is coaxially and fixedly connected with a driven gear, and the driven gear is meshed with the driving gear.

Optionally, a speed reducer is arranged on the support frame, the speed reducer is connected with the motor and the driving rod, and the speed reducer is used for transmitting the torque of the motor and reducing the rotating speed of the driving rod

Optionally, the support frame includes the mount and removes the frame, mount fixed connection is on the base, be equipped with adjustment mechanism on removing the frame, adjustment mechanism is used for adjusting to remove the frame and removes along the direction of perpendicular to actuating lever.

Optionally, adjustment mechanism is including offering the sliding tray and the connecting rod of rigid coupling on a plurality of removal framves on the base, the sliding tray with the actuating lever is perpendicular, and is a plurality of the lower tip of removing the frame has all set firmly the sliding block, remove the frame through the sliding tray that the equal sliding connection of sliding block corresponds in.

Optionally, a plurality of equidistant slots have been seted up on the bottom surface of sliding tray, the jack has been seted up on the sliding block, sliding connection has the inserted bar in the jack.

Optionally, the adjusting mechanism comprises a lead screw fixedly connected to the fixing frame and a worm and gear device in threaded connection with the lead screw, at least two groups of lead screws and worm and gear devices are arranged, and worms on the worm and gear devices are coaxially and fixedly connected.

Optionally, a handle for driving the worm to rotate is fixedly arranged at the end of the worm.

Optionally, a roller is coaxially and fixedly connected to the roller, and a rubber pad is arranged on the outer surface of the roller.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the support frame that is the inline and rotate the gyro wheel of connection on the support frame and can support the tubular metal resonator to make the gyro wheel slowly rotate through establishing the drive arrangement on the support frame, thereby can make two tubular metal resonators of treating welding rotate in step, make things convenient for the staff to weld the tubular metal resonator comprehensively.

2. The adjusting mechanism that sets up on the base can adjust the position of removing the frame to can make the support frame can adapt to the tubular metal resonator of different bores, improve the device's practicality.

3. The roller arranged on the roller and the rubber pad on the roller can effectively improve the friction force between the roller and the metal tubes, so that the two metal tubes can reliably keep synchronous rotation, and the phenomenon of intermittent rotation caused by slipping is reduced.

Drawings

FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is an overall structure diagram of a metal tube placed on the device according to an embodiment of the present application;

fig. 4 is another overall structure diagram provided in the embodiment of the present application.

Reference numerals: 1. a base; 2. a support frame; 21. a movable frame; 22. a fixed mount; 3. a roller; 31. a rubber pad; 32. a roller; 4. a drive device; 41. a motor; 42. a drive rod; 43. a driving gear; 44. a driven gear; 45. a speed reducer; 51. a sliding groove; 52. a connecting rod; 53. a slot; 54. a jack; 55. inserting a rod; 56. a slider; 61. a lead screw; 62. a worm gear device; 63. a handle.

Detailed Description

The technical solutions in the present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses welding jig of tubular metal resonator. Referring to fig. 1 and 2, the clamping apparatus includes a base 1, a plurality of supporting frames 2, rollers 3 and a driving device 4. Wherein the supporting frame 2 is arranged on the base 1, and the roller 3 is arranged on the supporting frame 2 and is used for bearing the metal pipe to be welded; the driving device 4 is used for driving the roller 3 to rotate, and comprises a motor 41 fixedly arranged on the support frame 2 and a driving rod 42 rotatably connected to the support frame 2, a driving gear 43 is fixedly connected to the driving rod 42, a driven gear 44 meshed with the driving gear 43 is coaxially and fixedly connected to the roller 3, and the roller 3 is driven to rotate through the driving rod 42 so that a metal pipe to be welded arranged on the roller 3 rotates. Still be equipped with reduction gear 45 on the support frame 2, reduction gear 45 is connected with motor 41's output shaft and actuating lever 42 for on converting motor 41's high-speed rotation into low-speed output to actuating lever 42, the orderly the going on of weldment work of being convenient for improves drive arrangement 4's area load capacity simultaneously, reduces the phenomenon that the gravity of appearing the tubular metal resonator leads to gyro wheel 3 stall excessively.

Specifically, the support frames 2 are provided with two groups, each group of support frames 2 comprises at least two fixed frames 22 and two movable frames 21, and the heights of all the fixed frames 22 and the movable frames 21 are equal. The fixed frames 22 are fixedly connected to the base 1, all the fixed frames 22 are positioned on the same straight line, the moving frame 21 is provided with an adjusting mechanism, and the adjusting mechanism is used for adjusting the moving frame 21 to move along the direction vertical to the driving rod 42 so as to adapt to metal pipes with different calibers; the plurality of moving frames 21 are opposed to the fixed frame 22, that is, the plurality of moving frames 21 are also positioned on the same straight line.

Referring to fig. 3, when two metal pipes with the same caliber need to be welded, one of the metal pipes can be placed between one of the fixed frames 22 and the movable frame 21, and the metal pipes are supported by the rollers 3 on the fixed frames 22 and the movable frame 21; another tubular metal resonator is placed between another group's mount 22 and removal frame 21, because the height of mount 22 and support frame 2 is the same, can make two tubular metal resonators with the bore coincide, the lateral wall of two tubular metal resonators just is relative so that the staff welds it.

Referring to fig. 1 or fig. 3, in one embodiment, the adjusting mechanism includes a sliding groove 51 formed on the base 1 and a connecting rod 52 fixed to all the moving frames 21, the sliding groove 51 is perpendicular to the driving rod 42, a sliding block 56 is fixed to a lower end of each of the moving frames 21, and each of the moving frames 21 is slidably connected to the corresponding sliding groove 51 through the sliding block 56. When the caliber of the metal pipe to be welded is larger, the connecting rod 52 can be pulled to move all the moving frames 21 along the sliding groove 51 towards the direction departing from the fixed frame 22, so that the rollers 3 on the fixed frame 22 and the moving frames 21 are abutted to the lateral lower part of the metal pipe, and the metal pipe can be reliably supported; when the diameter of the metal pipe to be welded is small, the connecting rod 52 may be pushed to move all the moving frames 21 along the sliding groove 51 toward the direction close to the fixed frame 22, so that the roller 3 abuts on the lateral lower side of the metal pipe.

In this embodiment, a plurality of slots 53 are formed at equal intervals on the bottom surface of the slide groove 51, an insertion hole 54 having the same diameter as the slot 53 is formed on the slide block 56, and an insertion rod 55 is slidably connected to the insertion hole 54. After the movable frame 21 is adjusted to a proper position, the insertion rod 55 can be inserted into the insertion hole 54 of the sliding block 56 and extend into the slot 53, so that the movable frame 21 can be fixed; when the position of the moving frame 21 needs to be adjusted again, the insertion rod 55 can be pulled out from the insertion hole 54, and at this time, the slide block 56 can be slid in the slide groove 51 to adjust the position of the moving frame 21.

In another embodiment, referring to fig. 4, the adjusting mechanism includes a lead screw 61 fixed on the fixed frame 22, and a worm and gear device 62 screwed on the lead screw 61, four sets of the lead screw 61 and the worm and gear device 62 are provided and respectively correspond to each moving frame 21, each set of the moving frames 21 is fixed on the corresponding worm and gear device 62, worms on the two sets of the worm and gear devices 62 are coaxially fixed, and a handle 63 is fixed at an end of the worm for driving the worm to rotate. When the caliber of the metal pipe to be welded is large, the rotatable handle 63 drives the worm to rotate, the worm gear and worm device 62 drives all the movable frames 21 to move along the sliding groove 51 towards the direction departing from the fixed frame 22, so that the rollers 3 on the fixed frame 22 and the movable frames 21 are abutted to the lateral lower part of the metal pipe, and the metal pipe can be reliably supported; when the diameter of the metal pipe to be welded is small, the handle 63 can be rotated in the opposite direction, so that the worm gear device 62 drives all the moving frames 21 to move along the lead screw 61 toward the direction close to the fixed frame 22, so that the roller 3 abuts against the lateral lower part of the metal pipe. Meanwhile, the worm gear device 62 is in threaded connection with the lead screw 61 and has a self-locking function, so that the phenomenon that the position of the moving frame 21 moves due to overlarge gravity of the metal pipe can be avoided.

Referring to fig. 4, in order to increase the friction between the roller 3 and the metal pipe to be welded, the roller 3 on the fixing frame 22 is in the shape of a roller 32 and is bridged over two adjacent fixing frames 22. The contact area between the roller 32 and the metal pipe is large, so that the friction force between the roller 3 and the metal pipe can be effectively improved. The rubber pad 31 is fixedly arranged on the outer surface of the roller 32, and the rubber pad 31 can further improve the friction force between the roller and the metal pipe, so that the phenomenon that the metal pipe stops rotating due to the slippage of the roller 3 is reduced.

The implementation principle of the embodiment of the application is as follows:

the position of the movable frame 21 is adjusted and fixed according to the caliber size of the metal pipe to be welded. Place two welded tubular metal resonator of needs respectively on two sets of support frames 2, make two relative edge butt of tubular metal resonator or leave the welded space of being convenient for, starter motor 41, motor 41 drives actuating lever 42 through reduction gear 45 and rotates, driven gear 44 on a plurality of gyro wheels 3 on the mount 22 is connected with the driving gear 43 meshing on the actuating lever 42, thereby can drive a plurality of gyro wheels 3 synchronous rotation simultaneously on all mounts 22, two tubular metal resonator synchronous slow rotations, so that the welding workman carries out comprehensive welding to the tubular metal resonator. Can adapt to the different of tubular metal resonator bore and length to a certain extent, improve weldment work's convenience and welding efficiency.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a welding jig of tubular metal resonator which characterized in that: the device comprises a base (1), a plurality of supporting frames (2) arranged on the base (1), rollers (3) rotatably connected to the supporting frames (2) and a driving device (4) arranged on the supporting frames (2), wherein the supporting frames (2) are arranged in a straight line; the driving device (4) comprises a driving rod (42) rotatably connected to the support frame (2) and a motor (41) fixedly arranged on the support frame (2), and the motor (41) is used for driving the driving rod (42) to rotate; the driving rod (42) is fixedly provided with a driving gear (43), the roller (3) is coaxially and fixedly connected with a driven gear (44), and the driven gear (44) is meshed with the driving gear (43) for connection.

2. The welding jig for metal pipes according to claim 1, characterized in that: be equipped with reduction gear (45) on support frame (2), reduction gear (45) are connected with motor (41) and actuating lever (42), reduction gear (45) are used for transmitting the torque of motor (41) and reduce the rotational speed of actuating lever (42).

3. The welding jig for metal pipes according to claim 1, characterized in that: the supporting frame (2) comprises a fixing frame (22) and a moving frame (21), the fixing frame (22) is fixedly connected to the base (1), an adjusting mechanism is arranged on the moving frame (21), and the adjusting mechanism is used for adjusting the moving frame (21) to move along the direction perpendicular to the driving rod (42).

4. The welding jig for metal pipes according to claim 3, characterized in that: adjustment mechanism is including offering sliding tray (51) on base (1) and connecting rod (52) of rigid coupling on a plurality of removal frame (21), sliding tray (51) with actuating lever (42) are perpendicular, and are a plurality of the lower tip of removing frame (21) all has set firmly sliding block (56), remove in sliding tray (51) that frame (21) correspond through the equal sliding connection of sliding block (56).

5. The welding jig for metal pipes according to claim 4, characterized in that: set up a plurality of equidistant slots (53) on the bottom surface of sliding tray (51), jack (54) have been seted up on sliding block (56), sliding connection has inserted bar (55) in jack (54).

6. The welding jig for metal pipes according to claim 3, characterized in that: the adjusting mechanism comprises a lead screw (61) fixedly connected to the fixing frame (22) and a worm and gear device (62) in threaded connection with the lead screw (61), at least two groups of lead screws (61) and worm and gear devices (62) are arranged, and worms on the worm and gear devices (62) are coaxially and fixedly connected.

7. The welding jig for metal pipes according to claim 6, characterized in that: and a handle (63) for driving the worm to rotate is fixedly arranged at the end part of the worm.

8. The welding jig for metal pipes according to claim 1, characterized in that: a roller (32) is coaxially and fixedly connected to the roller (3), and a rubber pad (31) is arranged on the outer surface of the roller.