CN210451616U - Clamp for welding expansion joint - Google Patents
Clamp for welding expansion joint Download PDFInfo
- Publication number
- CN210451616U CN210451616U CN201920925967.9U CN201920925967U CN210451616U CN 210451616 U CN210451616 U CN 210451616U CN 201920925967 U CN201920925967 U CN 201920925967U CN 210451616 U CN210451616 U CN 210451616U
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- welding
- expansion joint
- ball screw
- location axle
- spare part
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Abstract
The utility model discloses an expansion joint anchor clamps for welding, including frame and location axle, install the tray through the pivot in the frame, the upper surface centre of a circle department of tray has inside location axle for hollow structure through the bolt fastening, install ball screw through the bearing rotation in the location axle, be located the lead screw slider is installed respectively to the upper and lower two parts of the inside ball screw of location axle, it has the ejector pin to articulate in the periphery of lead screw slider, and is located same vertical on-line the articulated push pedal of the other end of ejector pin. This practicality makes the lead screw slider be close to each other through drive ball screw, utilizes the ejector pin to expand the push pedal outwards, supports tight laminating with the inner wall of each roof and each spare part to with each spare part automatic adjustment to with axle center position department, realize the accurate butt joint of each spare part outer wall, in welding process, the motor drives tray upper portion spare part and rotates, thereby welds the seam crossing of each spare part, has improved welding efficiency greatly.
Description
Technical Field
The utility model belongs to the technical field of the expansion joint processingequipment, concretely relates to anchor clamps are used in expansion joint welding.
Background
The expansion joint is a flexible structure provided on the vessel shell or pipe to compensate for additional stresses due to temperature differences and mechanical vibrations. The expansion joint is made of metal corrugated pipe and consists of corrugated pipe, end pipe, support, flange, guide pipe and other fittings. In the expansion joint production process, all parts of the expansion joint need to be welded, such as the welding between flanges and corrugated pipes, the existing expansion joint fixture can only be used for fixing all parts generally during welding, circular seams formed among all parts need to be welded continuously by adjusting the position of a welding gun through workers, the existing expansion joint fixture cannot automatically adjust the seams to the positions convenient to weld, and the working strength of welding operators is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an expansion joint is anchor clamps for welding to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an expansion joint anchor clamps for welding, includes frame and location axle, install the tray through the pivot in the frame, the bottom of pivot is passed the frame and is passed through the retarder connection motor, the upper surface centre of a circle department of tray has the inside location axle that is hollow structure through the bolt fastening, install ball screw through the bearing rotation in the location axle, be located the lead screw slider is installed respectively to the upper and lower two parts of the inside ball screw of location axle, it has the ejector pin to articulate in the periphery of lead screw slider, and is located same vertical line the articulated push pedal of the other end of ejector pin.
Preferably, the top end of the ball screw extends out of the positioning shaft and is fixedly connected with the nut.
Preferably, the upper part and the lower part of the ball screw are respectively provided with threads with opposite turning directions, and the screw rod sliding blocks are respectively positioned on the opposite threads.
Preferably, the push plates are three, the included angle between every two push plates is 120 degrees, and the top plate is welded on the outer side of each push plate through a spring.
Preferably, a through groove is formed in the side face of the positioning shaft, and the ejector rod movably penetrates through the through groove.
Preferably, a support roller for supporting the push disc is mounted on the frame.
The utility model discloses a technological effect and advantage:
the utility model discloses a drive ball screw rotates, thereby drive lead screw slider is close to each other, utilize the ejector pin to expand the push pedal outwards, finally under the elasticity of spring, make the inner wall of each roof and each spare part support the laminating tightly, and with each spare part automatic adjustment extremely with axle center position department, realize the accurate butt joint of each spare part outer wall, begin the welding this moment, in welding process, starter motor, make the tray drive upper portion spare part and rotate, thereby weld the seam crossing of each spare part, the welding efficiency is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the positioning shaft of the present invention;
fig. 3 is a schematic top view of the present invention.
In the figure: the device comprises a machine frame 1, a speed reducer 2, a motor 3, a tray 4, a positioning shaft 5, a through groove 501, nuts 6, support rollers 7, a ball screw 8, a screw slider 9, a push plate 10, a top plate 11, springs 12, an ejector rod 13 and a rotating shaft 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, an expansion joint welding fixture comprises a frame 1 and a positioning shaft 5, wherein a tray 4 is installed on the frame 1 through a rotating shaft 14, the bottom end of the rotating shaft 14 penetrates through the frame 1 and is connected with a motor 3 through a speed reducer 2, the center of the circle of the upper surface of the tray 4 is fixedly provided with the positioning shaft 5 which is internally of a hollow structure through bolts, a ball screw 8 is installed in the positioning shaft 5 through a bearing in a rotating manner, a screw slider 9 is installed on the upper portion and the lower portion of the ball screw 5 in the positioning shaft 5 respectively, a push rod 13 is hinged to the periphery of the screw slider 9, and the other end of the push rod 13 is hinged to a push plate 10 on the same vertical line.
The top of ball screw 8 stretches out locating shaft 5 and in nut 6 fixed connection, and instruments such as usable spanner are convenient to rotate nut 6 to drive ball screw 8 and rotate, conveniently load and unload the spare part of expansion joint.
The upper part and the lower part of the ball screw 8 are respectively provided with threads with opposite turning directions, and the screw rod sliding blocks 9 are respectively positioned on the opposite threads, when the ball screw 8 rotates, the screw rod sliding blocks 9 at the upper part and the lower part can be close to or away from each other, so that the ejector rod 13 can be synchronously pushed or pulled, the push plate 10 can keep a vertical state and move transversely, and parts of the expansion joint are supported and fixed from the inside.
The push pedal 10 is equipped with threely, and the contained angle between two liang is 120, the outside of push pedal 10 has roof 11 through spring 12 welding, can support the expansion joint spare part from inside equilibrium, through three point support, avoids the skew centre of a circle of expansion joint spare part, can make the spare part of each part keep distributing with the axle center, and improves the stability.
The side surface of the positioning shaft 5 is provided with a through groove 501, and the ejector rod 13 movably penetrates through the through groove 501 and is used for penetrating out of the ejector rod 13 when the screw rod slide block 9 moves up and down.
The support roller 7 for supporting the push disc 4 is installed on the rack 1, and the support capability of the tray 4 is improved under the support effect of the support roller 7.
Specifically, during the use, with the spare part of expansion joint, including the ring flange, the bellows, embolia in proper order on location axle 5, utilize the instrument to rotate nut 5 drive ball screw 8 and rotate, thereby drive lead screw slider 9 and be close to each other, utilize ejector pin 13 to expand push pedal 10 outwards, finally under the elasticity of spring 12, make each roof 11 support the laminating tightly with the inner wall of each spare part, and with each spare part automatic adjustment to axle center position department, realize the accurate butt joint of each spare part outer wall, begin the welding this moment, in welding process, starter motor 3, make tray 4 drive upper portion spare part and rotate, thereby weld the seam crossing of each spare part, welding efficiency has been improved greatly, after the welding is accomplished, reverse rotation nut 6, push pedal 10 is inwards shrunk, remove the fixed to the expansion joint.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an expansion joint anchor clamps for welding, includes frame (1) and location axle (5), its characterized in that: install tray (4) through pivot (14) in frame (1), the bottom of pivot (14) passes frame (1) and connects motor (3) through reduction gear (2), the upper surface centre of a circle department of tray (4) has inside location axle (5) for hollow structure through the bolt fastening, rotate through the bearing in location axle (5) and install ball screw (8), be located lead screw slider (9) are installed respectively to the upper and lower two parts of the inside ball screw (8) of location axle (5), it has ejector pin (13) to articulate in the periphery of lead screw slider (9), and is located same vertical line the articulated push pedal (10) of the other end of ejector pin (13).
2. The clamp for welding the expansion joint according to claim 1, wherein: the top end of the ball screw (8) extends out of the positioning shaft (5) and is fixedly connected with the nut (6).
3. The clamp for welding the expansion joint according to claim 1, wherein: the upper part and the lower part of the ball screw (8) are respectively provided with threads with opposite rotation directions, and the screw slide blocks (9) are respectively positioned on the opposite threads.
4. The clamp for welding the expansion joint according to claim 1, wherein: the three push plates (10) are arranged, the included angle between every two push plates is 120 degrees, and the top plate (11) is welded on the outer side of each push plate (10) through a spring (12).
5. The clamp for welding the expansion joint according to claim 1, wherein: a through groove (501) is formed in the side face of the positioning shaft (5), and the ejector rod (13) movably penetrates through the through groove (501).
6. The clamp for welding the expansion joint according to claim 1, wherein: and a support roller (7) for supporting the tray (4) is arranged on the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925967.9U CN210451616U (en) | 2019-06-19 | 2019-06-19 | Clamp for welding expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925967.9U CN210451616U (en) | 2019-06-19 | 2019-06-19 | Clamp for welding expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210451616U true CN210451616U (en) | 2020-05-05 |
Family
ID=70441213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920925967.9U Active CN210451616U (en) | 2019-06-19 | 2019-06-19 | Clamp for welding expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210451616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146115A (en) * | 2021-01-21 | 2021-07-23 | 南京工程学院 | Automatic change welding equipment |
-
2019
- 2019-06-19 CN CN201920925967.9U patent/CN210451616U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146115A (en) * | 2021-01-21 | 2021-07-23 | 南京工程学院 | Automatic change welding equipment |
| CN113146115B (en) * | 2021-01-21 | 2023-10-27 | 南京工程学院 | Automatic change welding equipment |
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| GR01 | Patent grant |