CN218800120U

CN218800120U - Valve welding jig

Info

Publication number: CN218800120U
Application number: CN202222787503.0U
Authority: CN
Inventors: 何晓阳; 虞逸波
Original assignee: Wuxi Hanshen Electric Joint Stock Co ltd
Current assignee: Wuxi Hanshen Electric Joint Stock Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-07
Anticipated expiration: 2032-10-21

Abstract

The utility model relates to the technical field of welding jigs, in particular to a valve welding jig, which comprises a clamping mechanism, a clamping mechanism and a clamping mechanism, wherein the clamping mechanism comprises a carrying plate, a bracket arranged on the carrying plate, a needle type cylinder arranged on the bracket and two clamping jaws; the plane turnover mechanism is connected with the carrying plate so as to drive the clamping mechanism to turn horizontally; the vertical turnover mechanism is connected with the plane turnover mechanism through a transfer rod so as to drive the clamping mechanism to vertically turn over; the pressing mechanism is connected with the vertical turnover mechanism and comprises a first pressing portion and a second pressing portion, the first pressing portion is configured on the pressing fixing ring, the second pressing portion is configured on the pressing switch rotating ring, and the first pressing portion and the second pressing portion are switched to the upper portion of the object carrying plate through the switching assembly. According to the welding method and the welding device, multiple welding processes are carried out after one-time clamping, machining errors possibly caused by multiple times of clamping are reduced, and the welding quality is improved.

Description

Valve welding smelting tool

Technical Field

The application relates to the technical field of welding smelting tools, in particular to a valve welding smelting tool.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Referring to fig. 1, a valve assembly on the market includes a valve cover 1, a connecting shaft 101, a fixing ring 102 and a switch rotating ring 103, a positioning plate 104 is disposed inside the valve cover 1, and a notch is formed in the switch rotating ring 103. In the manufacturing process, the positioning plate and the connecting shaft are firstly subjected to double-sided welding, then the fixing ring and the valve cover are welded, and finally the switch rotating ring is placed on the valve cover for circular welding.

Because of the existence of a plurality of welding processes, in the prior art, clamping is carried out once when each welding process is carried out, the whole required clamping time is long, and the labor intensity of operators is high. Moreover, installation errors are easily generated by multiple times of clamping, so that welding errors are caused, and the welding quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme of the application provides a valve welding smelting tool. The technical scheme is as follows:

the application provides a valve welding jig which comprises a clamping mechanism, a positioning plate, a support, a needle type cylinder and two clamping jaws, wherein the clamping mechanism comprises a carrying plate, the support is arranged on the carrying plate, the needle type cylinder is arranged on the support, the support is matched with the two clamping jaws to clamp a valve cover, and a piston end of the needle type cylinder is used for abutting against the positioning plate; the plane turnover mechanism is connected with the carrying plate so as to drive the clamping mechanism to turn horizontally; the vertical turnover mechanism is connected with the plane turnover mechanism through a switching rod so as to drive the clamping mechanism to vertically turn over; the pressing mechanism is connected with the vertical turnover mechanism and comprises a first pressing portion and a second pressing portion, the first pressing portion is configured to press the fixing ring, the second pressing portion is configured to press the switch rotating ring, and the first pressing portion and the second pressing portion are switched to the upper portion of the object carrying plate through the switching assembly.

Furthermore, clamping mechanism is still including setting up carry on the thing board drive actuating cylinder, the jack catch pass through the axis of rotation with support swing joint, coaxial coupling has drive gear in the axis of rotation, the power take off end that drives actuating cylinder passes through linkage fixedly connected with transmission rack, transmission rack with drive gear meshes mutually.

Specifically, the plane turnover mechanism comprises a first turnover motor connected with the adapter rod, and a power output end of the first turnover motor is in transmission connection with the carrying plate.

Particularly, the vertical turnover mechanism comprises a fixed box, a second turnover motor and a turnover shaft, wherein the second turnover motor and the turnover shaft are arranged in the fixed box, the output end of the second turnover motor is coaxially connected with a turnover gear, a swing arm is connected between the turnover shaft and a transfer rod, and a sector gear meshed with the turnover gear is fixedly connected to the swing arm.

Further, the switching assembly comprises a fixing frame connected with the swing arm, an upper rack, a middle gear and a lower rack which are sequentially meshed, the upper rack is connected with the second pressing portion, the lower rack is connected with the first pressing portion, a switching cylinder is arranged on the fixing frame along the length direction of the upper rack, and the piston end of the switching cylinder is connected with the upper rack.

The lifting mechanism comprises a lifting cylinder, wherein the output end of the lifting cylinder is connected with a swing arm through a connecting rod, the swing arm is connected with a linear guide rail, and the sliding block part of the linear guide rail is connected with the fixed end of the lifting cylinder.

Particularly, the second compressing part comprises a compressing frame and a positioning pin, and the positioning pin is fixedly inserted into the inner wall of the compressing frame to be matched with the notch of the switch rotating ring.

Compared with the prior art, the application has the beneficial effects that:

1. the multi-pass welding only needs one clamping, so that the clamping time is saved;

2. and a plurality of welding procedures are carried out after one-time clamping, so that machining errors possibly caused by multiple times of clamping are reduced, and the welding quality is improved.

Drawings

FIG. 1 is a schematic perspective view of a valve assembly of the background of the present application;

FIG. 2 is a schematic perspective view of a valve welding tool according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a switching module embodied in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a second pressing portion in the embodiment of the present application.

Reference numerals: 1. a valve cover; 101. a connecting shaft; 102. a fixing ring; 103. a switch swivel; 104. positioning a plate; 2. a clamping mechanism; 201. a loading plate; 202. a support; 2021. a needle cylinder; 203. a jaw; 204. a rotating shaft; 2041. a transmission gear; 205. an ear mount; 206. a driving cylinder; 207. a linkage; 208. a drive rack; 3. a plane turnover mechanism; 301. a first flipping motor; 4. a vertical turnover mechanism; 401. a fixed box; 402. a second flipping motor; 403. a turning shaft; 404. turning over the gear; 5. a hold-down mechanism; 501. a pressure head; 502. a pressing frame; 503. positioning pins; 6. swinging arms; 601. a sector gear; 602. a transfer lever; 7. a switching component; 701. an upper rack; 702. an intermediate gear; 703. a lower rack; 8. a fixed mount; 801. switching the air cylinder; 802. a guide groove; 9. a roller; 901. a fixed seat; 10. a lifting cylinder; 11. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

In the description of the present application, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present application and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

Throughout the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection unless expressly stated or limited otherwise. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

The present application is described in further detail below with reference to fig. 2-4.

As shown in fig. 2, the application provides a valve welding jig, including clamping mechanism 2, plane tilting mechanism 3, vertical tilting mechanism 4 and hold-down mechanism 5, plane tilting mechanism 3 and vertical tilting mechanism 4 all link to each other with clamping mechanism 2. Hold-down mechanism 5 links to each other with vertical tilting mechanism 4, and hold-down mechanism 5 includes first portion and the second portion that compresses tightly, and first portion and the second portion that compresses tightly switch over to clamping mechanism 2 through switch assembly 7.

During welding, the clamping mechanism 2 clamps the valve cover 1 and enables the valve cover 1 to be kept in a horizontal state, an external laser head welds the positioning plate 104 and the connecting shaft 101, and after single-side welding is completed, the plane turnover mechanism 3 drives the clamping mechanism 2 to be linked with the valve cover 1 to turn over horizontally to weld the other connecting surface of the positioning plate 104 and the connecting shaft 101. Then, the vertical turnover mechanism 4 drives the clamping mechanism 2 to be linked with the valve cover 1 to be turned to a vertical state, meanwhile, the first pressing portion presses the fixing ring 102, and the laser head welds the fixing ring 102 and the valve cover 1. Finally, the switching component 7 is operated, an operator places the switch rotating ring 103 on the valve cover 1, switches the second pressing part to the position above the clamping mechanism 2 and presses the switch rotating ring 103, and the laser head welds the valve cover 1 and the switch rotating ring 103.

As shown in fig. 2 and 3, the clamping mechanism 2 includes a carrier plate 201, a bracket 202, and two jaws 203, the bracket 202 is fixedly disposed on the carrier plate 201, and each jaw 203 is movably connected to the bracket 202 through a rotating shaft 204 and an ear seat 205. Each rotating shaft 204 is coaxially connected with a transmission gear 2041, the carrying plate 201 is provided with a driving cylinder 206, the power output end of the driving cylinder 206 is fixedly connected with two transmission racks 208 through a linkage 207, and the transmission racks 208 and the transmission gears 2041 are arranged in a one-to-one correspondence and meshed with each other.

When the output end of the driving cylinder 206 moves, the driving rack 208 is linked to drive the transmission gear 2041 to rotate, so as to drive the rotating shaft 204 to rotate, so as to open and close the two jaws 203, and the valve cover 1 is clamped between the two jaws 203 and the bracket 202. In order to further improve the stability of the valve cover 1, a needle cylinder 2021 is disposed on a side of the bracket 202 away from the latch 203, and an output end of the needle cylinder 2021 abuts against the positioning plate 104 in the valve cover 1.

As shown in fig. 2, the planar turnover mechanism 3 includes a first turnover motor 301, a power output end of the first turnover motor 301 is in transmission connection with the object carrying plate 201, and when the first turnover motor 301 rotates, the object carrying plate 201 rotates around its own axis, thereby realizing horizontal turnover of the claw 203 and the valve cover 1. The vertical turnover mechanism 4 includes a fixed box 401, a second turnover motor 402 and a turnover shaft 403, the second turnover motor 402 is installed in the fixed box 401, and an output shaft of the second turnover motor 402 extends out of the fixed box 401 and is coaxially connected with a turnover gear 404. One end of the turning shaft 403 is fixedly connected with a swing arm 6, and the swing arm 6 is fixedly connected with the object carrying plate 201 through an adapter rod 602. One end of the swing arm 6 is fixedly connected with a sector gear 601 engaged with the turnover gear 404, and the middle part of the swing arm 6 is fixedly connected with the object carrying plate 201 through an adapter rod 602.

When the output shaft of second upset motor 402 rotated, upset gear 404 swung in order to order about swing arm 6 through sector gear 601, and swing arm 6 linkage year thing board 201 to realized carrying the vertical upset of thing board 201, and then realized the vertical upset of valve cover 1.

As shown in fig. 2 and 4, the first pressing portion includes a vertically arranged pressing head 501, the second pressing portion includes a horizontally arranged pressing frame 502 and two positioning pins 503 inserted on the inner wall of the pressing frame 502, and when the second pressing portion presses the switch swivel 103, the positioning pins 503 are inserted into the notches of the switch swivel 103, so as to position and fasten the switch swivel 103.

As shown in fig. 3 and 4, the switching assembly 7 includes an upper rack 701, a middle gear 702, and a lower rack 703 that are engaged in sequence, a fixed frame 8 is fixedly connected to an end portion of the sector gear 601 away from the swing arm 6, a switching cylinder 801 is disposed on the fixed frame 8 along a length direction of the upper rack 701, and a piston end of the switching cylinder 801 is connected to the upper rack 701. The end of the lower rack 703 is connected to the pressure head 501, and both the lower rack 703 and the upper rack 701 are slidably connected to the fixing frame 8.

When the piston end of the switching cylinder 801 moves, the upper rack 701 is linked, the upper rack 701 is driven to move through the intermediate gear 702, and therefore the switching use of the first pressing part and the second pressing part is achieved. Further, when the valve cover 1 is in a vertical state, the second compressing portion and the first compressing portion compress the valve cover 1 respectively. In order to avoid interference between the second pressing part and the first pressing part in the switching process, the fixing frame 8 is provided with a guide groove 802 communicated with each other, one section of the guide groove 802 far away from the clamping mechanism 2 is kept horizontal, and one section close to the clamping mechanism 2 is obliquely arranged towards the ground. The guide groove 802 is provided with a roller 9 in a sliding manner, and the pressing frame 502 is connected with the roller 9 through a fixing seat 901.

As shown in fig. 3, in order to flexibly adjust the vertical position of the pressing mechanism 5, the pressing mechanism further includes a lifting cylinder 10, and an output end of the lifting cylinder 10 is connected with the swing arm 6 through a connecting rod 11. The swing arm 6 is also connected with a linear guide rail 12, and the sliding block part of the linear guide rail 12 is connected with the fixed end of the lifting cylinder 10.

The application has the implementation principle that: during welding, the needle cylinder 2021 and the support 202 are matched with the two clamping claws 203 to clamp the valve cover 1 in a horizontal state, an external laser head welds the valve cover 1 and the connecting shaft 101, after single-side welding is completed, the first overturning motor 301 operates to drive the clamping mechanism 2 to link the valve cover 1 to horizontally overturn, and the external laser head welds the other connecting surface of the valve cover 1 and the connecting shaft 101.

Then, the second turnover motor 402 operates to drive the clamping mechanism 2 to be linked with the valve cover 1 to turn over to a vertical state through the sector gear 601 and the swing arm 6, and meanwhile, the first pressing portion presses the fixing ring 102, and the laser head welds the fixing ring 102 and the valve cover 1. Finally, an operator places the switch rotating ring 103 on the valve cover 1, the switching cylinder 801 operates, the upper rack 701, the middle gear 702 and the lower rack 703 cooperate to switch the second pressing part to the position above the clamping mechanism 2, the second pressing part presses the switch rotating ring 103, and the laser head welds the valve cover 1 and the switch rotating ring 103 annularly.

This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The utility model provides a valve welding smelting tool which characterized in that includes:

the clamping mechanism comprises a carrying plate, a support arranged on the carrying plate, a needle-shaped cylinder arranged on the support and two clamping jaws, the support is matched with the two clamping jaws to clamp the valve cover, and the piston end of the needle-shaped cylinder is abutted against the positioning plate;

the plane turnover mechanism is connected with the carrying plate so as to drive the clamping mechanism to turn horizontally;

the vertical turnover mechanism is connected with the plane turnover mechanism through a switching rod so as to drive the clamping mechanism to vertically turn over;

the pressing mechanism is connected with the vertical turnover mechanism and comprises a first pressing portion and a second pressing portion, the first pressing portion is configured on the pressing fixing ring, the second pressing portion is configured on the pressing switch rotating ring, and the first pressing portion and the second pressing portion are switched to the upper portion of the object carrying plate through the switching assembly.

2. The valve welding jig of claim 1, characterized in that, clamping mechanism still includes the setting and is in carry the actuating cylinder on the thing board, the jack catch through the axis of rotation with support swing joint, coaxial connection has drive gear on the axis of rotation, the power take off end of actuating cylinder passes through linkage fixedly connected with transmission rack, transmission rack with drive gear meshes mutually.

3. The valve welding tool of claim 1, wherein the planar turnover mechanism includes a first turnover motor connected to the adapter rod, and a power output end of the first turnover motor is in transmission connection with the loading plate.

4. The valve welding jig of claim 1, characterized in that, vertical tilting mechanism include the fixed case, set up in second upset motor and trip shaft in the fixed case, the output coaxial coupling of second upset motor has the upset gear, be connected with the swing arm between trip shaft and the changeover lever, fixedly connected with on the swing arm with the sector gear of upset gear engaged with.

5. The valve welding jig of claim 4, characterized in that, the switching subassembly includes the mount that links to each other with the swing arm, the last rack, intermediate gear and the lower rack that mesh in proper order, go up the rack with the second portion of compressing tightly links to each other, the lower rack links to each other with first portion of compressing tightly, be provided with the switching cylinder along the length direction of last rack on the mount, the piston end of switching cylinder with go up the rack and link to each other.

6. The valve welding jig of claim 5, further comprising a lifting cylinder, wherein an output end of the lifting cylinder is connected with the swing arm through a connecting rod, the swing arm is connected with a linear guide rail, and a sliding block portion of the linear guide rail is connected with a fixed end of the lifting cylinder.

7. The valve welding jig of claim 1, characterized in that, the second compressing part includes a compressing frame, a positioning pin, and the positioning pin is fixedly inserted on the inner wall of the compressing frame to adapt to the gap of the switch swivel.