CN216730255U

CN216730255U - Valve inner wall build-up welding positioning jig

Info

Publication number: CN216730255U
Application number: CN202121855320.7U
Authority: CN
Inventors: 许洪亮; 朱忠明
Original assignee: Suzhou Ouweilai Welding Technology Co ltd
Current assignee: Suzhou Ouweilai Welding Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-06-14
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to a valve inner wall surfacing positioning jig which comprises a snap ring, wherein a first threaded seat is arranged on one side above the snap ring, a first screw rod is connected inside the first threaded seat, one end of the first screw rod extends to one side inside the snap ring, a support rod is fixedly connected to one side of the edge of the snap ring, a guide rod is connected inside the support rod in a penetrating manner, a first screw rod is arranged on one side adjacent to the guide rod, a first rotary table is arranged at the top end of the first screw rod, the bottom end of the first screw rod is embedded into a cross rod, the bottom end of the guide rod is fixedly connected with the cross rod, a fixed block is arranged on one side below the cross rod, and a second screw rod is connected inside the fixed block. According to the utility model, the clamping ring and the supporting rod are arranged, and the clamping ring can be fixed on the valve or the pipeline to fix the position of the supporting rod, so that the welding gun can be conveniently fixed by using the clamping seat and guided to the inside of the valve, the surfacing position in the inside of the valve can be conveniently positioned, the working difficulty is reduced, and the working efficiency is improved.

Description

Valve inner wall build-up welding positioning jig

Technical Field

The utility model relates to a valve inner wall surfacing positioning jig, and belongs to the technical field of valve surfacing.

Background

The overlay welding is an economical and rapid process method for material surface modification, is more and more widely applied to the manufacturing and repairing of parts in various industrial departments, and in order to play the role of the overlay welding layer most effectively, the adopted overlay welding method is expected to have smaller dilution of parent metal, higher deposition speed and excellent performance of the overlay welding layer, namely, an overlay welding technology with high quality, high efficiency and low dilution rate; the workpiece can be strengthened by the strengthening function, so that the wear resistance, the heat resistance, the corrosion resistance and the like of the workpiece can be realized.

At present, when the inner wall of the valve is subjected to build-up welding, the position of the valve build-up welding is not easy to find accurately due to the possibility that the valve is connected with a pipeline, so that the pipeline connected to the valve needs to be cut off, and the working efficiency and the production cost are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a valve inner wall surfacing positioning jig, which is characterized in that a clamping ring and a support rod are arranged, the clamping ring can be fixed on a valve or a pipeline to fix the position of the support rod, so that a welding gun can be conveniently fixed by using a clamping seat and guided to the inside of the valve, the surfacing position inside the valve can be conveniently positioned, the working difficulty is reduced, the working efficiency is improved, and the problems in the background art are solved.

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

a valve inner wall surfacing positioning jig comprises a snap ring, wherein a first threaded seat is arranged on one side above the snap ring, a first screw rod is connected inside the first threaded seat, one end of the screw rod extends to one side inside the snap ring, a support rod is fixedly connected to one side of the edge of the snap ring, a guide rod is connected inside the support rod in a penetrating manner, a first screw rod is arranged on one side adjacent to the guide rod, a first rotary table is arranged at the top end of the first screw rod, the bottom end of the first screw rod is embedded inside a transverse rod, the bottom end of the guide rod is fixedly connected with the transverse rod, a fixed block is arranged on one side below the transverse rod, a second screw rod is connected inside the fixed block, a second rotary table is fixedly connected to one end of the second screw rod, a cushion block is connected to the other end of the second screw rod, a clamping seat is fixedly connected to one end of the cushion block, and a positioning rod is arranged on one side above the cushion block, the locating rod runs through the inside of the cross rod.

Furthermore, the first screw rod and the first thread seats are three in number and are evenly arranged on the periphery of the edge of the clamping ring, a clamping block is arranged at one end of the first screw rod, one end of the clamping block is arc-shaped, and the first screw rod is rotatably connected with the inside of the clamping block.

Furthermore, a second threaded seat matched with the first threaded rod in a threaded manner is sleeved outside the first threaded rod, and the first threaded rod is rotatably connected inside the cross rod.

Furthermore, the guide rods are slidably connected inside the supporting rods, the number of the guide rods is two, and the first screw rod is arranged between the adjacent guide rods.

Furthermore, the positioning rod is in sliding connection with the inside of the cross rod, and a scale value is arranged on the positioning rod.

Furthermore, a thread groove matched with the thread of the second screw rod is formed in the fixed block, the fixed block is in threaded connection with the second screw rod, the second screw rod is embedded into the cushion block, and the second screw rod is rotatably connected with the inside of the cushion block.

The utility model has the beneficial effects that:

1. through setting up the snap ring, be equipped with screw rod one and fixture block on the snap ring, can rotate screw rod one with snap ring and fixture block joint on valve or pipeline when using, and fixture block one end is arc, thereby can increase the frictional force between fixture block and pipeline or the valve, it is more stable when making the snap ring fixed, and through set up horizontal pole and lead screw two on the bracing piece, and two one ends of lead screw are equipped with cushion and holder, it is fixed with welder through using screw rod two to be fixed when the holder, lead screw two can drive the holder and move forward, thereby remove welder to the position that needs the build-up welding, conveniently carry out build-up welding work to the valve.

2. Through set up lead screw one and guide bar on the bracing piece, when the valve build-up welding to different diameters, can rotate lead screw one, can drive the guide bar when lead screw one rotates and promote horizontal pole downstream position, thereby can fix a position the valve or the pipeline of different diameters, make welder can carry out the build-up welding under suitable angle or distance, and, be equipped with the scale interval on the locating lever, when two promotion holders of lead screw move forward, can fix a position the welder mobile position through the scale interval of observing on the locating lever, thereby make the position of welder build-up welding more accurate, reduce the work degree of difficulty, and the work efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a front view of a positioning fixture for build-up welding of an inner wall of a valve according to the present invention;

FIG. 2 is a side view of a positioning fixture for build-up welding of the inner wall of a valve according to the present invention;

FIG. 3 is an enlarged view of the area A of the positioning jig for build-up welding of the inner wall of the valve of the present invention;

reference numbers in the figures: 1. a snap ring; 2. a first thread seat; 3. a first screw rod; 4. a support bar; 5. a guide bar; 6. a first screw rod; 7. a first rotating disc; 8. a cross bar; 9. a fixed block; 10. a second screw rod; 11. A second rotating disc; 12. cushion blocks; 13. a holder; 14. a second screw; 15. positioning a rod; 16. a clamping block; 17. and a second threaded seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a valve inner wall surfacing positioning jig comprises a snap ring 1, wherein a first threaded seat 2 is arranged on one side above the snap ring 1, a first screw rod 3 is connected inside the first threaded seat 2, one end of the first screw rod 3 extends to one side inside the snap ring 1, a support rod 4 is fixedly connected on one side of the edge of the snap ring 1, a guide rod 5 is connected inside the support rod 4 in a penetrating manner, a first screw rod 6 is arranged on one side adjacent to the guide rod 5, a first rotary table 7 is arranged at the top end of the first screw rod 6, the bottom end of the first screw rod 6 is embedded inside a cross rod 8, the bottom end of the guide rod 5 is fixedly connected with the cross rod 8, a fixed block 9 is arranged on one side below the cross rod 8, a second screw rod 10 is connected inside the fixed block 9, a second rotary table 11 is fixedly connected at one end of the second screw rod 10, a cushion block 12 is connected at the other end of the second screw rod, and a clamping seat 13 is fixedly connected at one end of the cushion block 12, a second screw 14 is connected inside the clamping seat 13, a positioning rod 15 is arranged on one side above the cushion block 12, and the positioning rod 15 penetrates through the inside of the cross rod 8.

Specifically, as shown in fig. 2, the screw rod one 3 and the screw thread seat one 2 are three groups and evenly arranged in number, the edge of the snap ring is 1 a circle, the fixture block 16 is arranged at one end of the screw rod one 3, the one end of the fixture block 16 is arc-shaped, the screw rod one 3 is rotatably connected with the inside of the fixture block 16, and the snap ring can be fixed on a pipeline or a valve through the screw rod one and the fixture block, so that the support rod and the cross rod can be fixed, and the clamp seat and the welding gun can be conveniently guided to the inside of the valve.

Specifically, as shown in fig. 1, a second threaded seat 17 matched with the first threaded seat 6 of the screw rod is sleeved outside the first screw rod 6, the first screw rod 6 is rotatably connected inside the cross rod 8, and the first screw rod 6 can drive the cross rod 8 to move up and down, so that valves with different diameters can be conveniently positioned.

Specifically, as shown in fig. 1, the guide rods 5 are slidably connected inside the support rods 4, the number of the guide rods 5 is two, the first lead screws 6 are arranged between the adjacent guide rods 5, the guide rods 5 can play a role in connection and support between the support rods 4 and the cross rod 8, and when the cross rod 8 is stressed, the two sets of guide rods 5 can prevent the position or angle of the cross rod 8 from deviating, so that the holder 13 and the welding gun can be kept stable.

Specifically, as shown in fig. 1 and 3, the positioning rod 15 is slidably connected inside the cross rod 8, scales are arranged on the positioning rod 15, and the positioning rod 15 can fix the cushion block 12 and meanwhile facilitate a worker to judge the moving distance between the holder 13 and the welding gun according to the scales, so that the moving positions of the holder 13 and the welding gun are more accurate.

Specifically, as shown in fig. 1, a thread groove matched with the second screw rod 10 in thread is formed in the fixed block 9, the fixed block 9 is connected with the second screw rod 10 in thread, the second screw rod 10 is embedded in the cushion block 12, the second screw rod 10 is rotatably connected in the cushion block 12, and the second screw rod 10 can push the clamp holder 13 to move forwards uniformly when rotating, so that the welding gun is driven to move towards the inside of the valve.

The working principle of the utility model is as follows: when the welding gun clamping device is used, one side of a welding gun is placed in the clamping seat 13, the tool is used for rotating the screw rod II 14 to clamp and fix the welding gun in the clamping seat 13, the clamping ring 1 is clamped at one end of a pipeline or a valve, then the tool is used for rotating the screw rod I3, the screw rod I3 can be driven to move towards the outer wall of the pipeline or the valve when the screw rod I3 rotates, when the clamping block 16 is connected with the pipeline or the valve, the screw rod I3 is continuously rotated until the clamping block 16 is fixed on the valve, then the rotary disc I7 is rotated, the rotary disc I7 can be driven to rotate when the rotary disc I7 rotates, the screw rod I6 can be driven to rotate when the screw rod I6 rotates, the cross rod 8 and the guide rod 5 can be driven to move downwards, when the clamping seat 13 and the welding gun move to a proper position, the rotary disc I7 is stopped to rotate the rotary disc II 11, the screw rod II 10 can be driven to rotate when the rotary disc II 10 can move forwards on the fixed block 9, therefore, the clamping seat 13 and the welding gun are guided to the interior of the valve, the scale value on the positioning rod 15 is observed while the clamping seat 13 moves, when the welding gun moves to the position needing surfacing, the rotating disc II 11 stops rotating, surfacing on the inner wall of the valve is started, and the welding gun positioning work is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a valve inner wall build-up welding positioning jig, includes snap ring (1), its characterized in that: the screw thread seat I (2) is arranged on one side above the snap ring (1), a screw rod I (3) is connected inside the screw thread seat I (2), one end of the screw rod I (3) extends to one side inside the snap ring (1), a supporting rod (4) is fixedly connected on one side of the edge of the snap ring (1), a guide rod (5) is connected inside the supporting rod (4) in a penetrating manner, a screw rod I (6) is arranged on one side adjacent to the guide rod (5), a rotary disc I (7) is arranged on the top end of the screw rod I (6), the bottom end of the screw rod I (6) is embedded inside a transverse rod (8), the bottom end of the guide rod (5) is fixedly connected with the transverse rod (8), a fixing block (9) is arranged on one side below the transverse rod (8), a screw rod II (10) is connected inside the fixing block (9), and a rotary disc II (11) is fixedly connected with one end of the screw rod II (10), the other end of the second screw rod (10) is connected with a cushion block (12), one end of the cushion block (12) is fixedly connected with a clamping seat (13), the clamping seat (13) is internally connected with a second screw rod (14), a positioning rod (15) is arranged on one side above the cushion block (12), and the positioning rod (15) penetrates through the inside of the cross rod (8).

2. The valve inner wall surfacing positioning jig according to claim 1, characterized in that: the screw rod I (3) and the thread seat I (2) are three groups and are evenly arranged on the edge of the clamping ring (1) in a circle, a clamping block (16) is arranged at one end of the screw rod I (3), one end of the clamping block (16) is arc-shaped, and the screw rod I (3) is rotatably connected inside the clamping block (16).

3. The valve inner wall surfacing positioning jig according to claim 1, characterized in that: and a second threaded seat (17) matched with the first threaded seat (6) in a threaded manner is sleeved outside the first threaded seat (6), and the first threaded seat (6) is rotatably connected inside the cross rod (8).

4. The valve inner wall surfacing positioning jig according to claim 1, characterized in that: the guide rods (5) are slidably connected inside the supporting rod (4), the number of the guide rods (5) is two, and the first lead screw (6) is arranged between the adjacent guide rods (5).

5. The valve inner wall surfacing positioning jig according to claim 1, characterized in that: the positioning rod (15) is connected with the inside of the cross rod (8) in a sliding mode, and scale values are arranged on the positioning rod (15).

6. The valve inner wall surfacing positioning jig according to claim 1, characterized in that: the screw rod I (10) is embedded into the cushion block (12), and the screw rod I (10) is rotatably connected with the inside of the cushion block (12).