CN219336628U

CN219336628U - Y-shaped check valve welding tool

Info

Publication number: CN219336628U
Application number: CN202320738422.3U
Authority: CN
Inventors: 黄卫华
Original assignee: Changsha Haoxin Industrial Equipment Co ltd
Current assignee: Changsha Haoxin Industrial Equipment Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-07-14
Anticipated expiration: 2033-04-06

Abstract

The utility model particularly discloses a welding tool for a Y-shaped check valve, which is characterized in that the lower half part of the Y-shaped check valve is arranged on a base through a Y-shaped groove, the upper half part and the lower half part of the Y-shaped check valve are connected based on spot welding, the Y-shaped check valve can be fixedly limited on the base through a first fixing column, a second fixing column and a third fixing column, and meanwhile, external welding protective gas can be introduced into the inner cavity of the Y-shaped check valve through a gas pipe and a first gas hole, so that the welding process of the upper half part and the lower half part of the Y-shaped check valve is protected.

Description

Y-shaped check valve welding tool

Technical Field

The utility model relates to the technical field of Y-shaped check valve processing equipment, in particular to a Y-shaped check valve welding tool.

Background

The Y-shaped check valve is a safety device which is arranged on an integrated control water pipeline and automatically prevents medium from flowing reversely, at present, most of the Y-shaped check valve is manufactured in a welding mode after an upper valve body and a lower valve body are respectively processed through a stamping die in the processing process of the Y-shaped check valve, however, due to the fact that when the upper part and the lower part of the Y-shaped check valve are welded, misalignment deviation is often caused by manual naked eye observation and calibration, and the upper valve body and the lower valve body are not well fixed when being welded, time and labor are wasted.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a Y-shaped check valve welding fixture, which comprises a base, a first screw and a second screw, wherein a Y-shaped groove matched with the lower half structure of the Y-shaped check valve is formed in the base, the Y-shaped check valve comprises a first end sleeved with a first fixing column, a second end sleeved with a second fixing column and a third end sleeved with a third fixing column, a first air hole communicated with the inner cavity of the Y-shaped check valve is transversely formed in the first fixing column, one side, far away from the first end, of the first fixing column is arranged on the outer side of the base, a first screw hole positioned on the lower side of the first fixing column is arranged on the outer side of the base, the first fixing column is in threaded connection with the first screw hole in a matched mode to fix the first fixing column on the end part of the Y-shaped check valve, an air inlet end of the first air hole is connected with an air pipe communicated with external welding protection gas, counter sunk holes are vertically formed in the second fixing column and the third fixing column, a second screw matched with the counter sunk hole is formed in the base, and the counter sunk hole is respectively connected with the second screw hole and the second fixing column to be used for fixing the second fixing column on the base.

Preferably, limit steps matched with the first end, the second end and the third end of the Y-shaped check valve for limiting are respectively arranged in the Y-shaped groove.

Preferably, each limiting step is internally provided with a limiting gasket with a buffering function.

Preferably, the base is provided with a ventilation pipeline connected with external welding shielding gas, and the first air hole is communicated with the ventilation pipeline through an air pipe.

Preferably, the first air hole is provided with a first air tap connected with the air outlet end of the air pipe, and the air outlet end of the air pipe is provided with a second air tap connected with the air inlet end of the air pipe.

Preferably, the outer diameter sizes of the second fixing post and the third fixing post are different.

Preferably, the Y-shaped check valve further comprises a buffer gasket, and the first screw rod is used for fixing the first fixing column at the first end part of the Y-shaped check valve through the buffer gasket.

Compared with the prior art, the welding fixture for the Y-shaped check valve provided by the utility model has the advantages that the lower half part of the Y-shaped check valve is quickly arranged on the base by utilizing the Y-shaped groove, the upper half part and the lower half part of the Y-shaped check valve are connected based on the spot welding mode, and then the upper half part and the lower half part of the Y-shaped check valve to be welded are fixed on the base by the first fixing column, the second fixing column and the third fixing column, so that the Y-shaped check valve to be welded is quickly and conveniently clamped and fixed, the welding alignment calibration time is greatly shortened, and the welding work efficiency is improved; meanwhile, based on the arranged air pipe and the first air hole, external welding protection gas can be connected into the inner cavity of the Y-shaped check valve to protect the welding process, so that the technical problem existing in the prior art is effectively solved by the welding tool, the qualification rate of welding products is improved, and the welding tool has the characteristics of stable clamping, convenience in operation and high product qualification rate.

Drawings

Figure 1 is a structural exploded view of a welding fixture for a Y-type check valve of the present utility model,

fig. 2 is a schematic diagram of an assembled structure of the welding fixture for the Y-type check valve.

In the figure: 1. the base, 2.Y type groove, 3 first fixed column, 4 second fixed column, 5 third fixed column, 6 first gas pocket, 61 trachea, 62 first air cock, 63 second air cock, 7 first screw, 8 countersunk hole, 9 second screw, 11 first screw, 12 second screw, 13 buffer pad.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

It should be noted that, in the present utility model, the "first", "second" and "third" represent only different components, and there is no sequential division, and meanwhile, taking fig. 1 as an example, the vertical paper surface is upward to the left, the vertical paper surface is downward to the right, the vertical paper surface is rightward to the right, the vertical paper surface is leftward to the left, the up-down direction is vertical, and the left-right direction is transverse.

As shown in fig. 1-2, a welding fixture for a Y-shaped check valve comprises a base 1, a first screw rod 11 and a second screw rod 12, a Y-shaped groove 2 matched with the lower half structure of the Y-shaped check valve is formed in the base 1, the Y-shaped check valve comprises a first end sleeved with a first fixing column 3, a second end sleeved with a second fixing column 4 and a third end sleeved with a third fixing column 5, a first air hole 6 communicated with the inner cavity of the Y-shaped check valve is transversely formed in the first fixing column 3, one side, far away from the first end, of the first fixing column 3 is arranged on the outer side of the base 1, a first screw hole 7 positioned on the lower side of the first fixing column 3 is formed in the outer side of the base 1, the first fixing column 3 is connected with the first end of the Y-shaped check valve through the first screw rod 11 in a threaded mode, an air inlet end of the first air hole 6 is connected with an air pipe 61 communicated with external welding protection gas, counter sunk holes 8 are vertically formed in the second fixing column 4 and the third fixing column 5, a counter sunk hole 8 is formed in the base 1, a counter sunk hole 8 is formed in the counter sunk hole 8, the counter sunk hole 9 is matched with the second fixing column 9 and the first fixing column 5, and the counter sunk hole 9 is matched with the first screw rod 8 on the base 1.

In the embodiment, when the Y-shaped check valve to be welded is required to be welded, the lower half part of the Y-shaped check valve is firstly placed in the Y-shaped groove 2 which is matched with the base 1, then the upper half part and the lower half part of the Y-shaped check valve are connected based on a spot welding mode, and then the first fixing column 3, the second fixing column 4 and the third fixing column 5 are respectively connected with screw holes on the base 1 in a threaded manner in a matching manner, so that the upper half part and the lower half part of the Y-shaped check valve to be welded are fixed in the Y-shaped groove 2 of the base 1, the quick and convenient clamping and fixing of the Y-shaped check valve to be welded are realized, the welding alignment time is greatly shortened, and the welding work efficiency is improved; meanwhile, external welding shielding gas can be introduced into the inner cavity of the Y-shaped check valve based on the gas pipe 61 and the first gas hole 6, and the welding process of the Y-shaped check valve to be welded is protected based on the external welding shielding gas. Therefore, the welding tool effectively solves the technical problems in the prior art, improves the qualification rate of welding products, and has the characteristics of stable clamping, convenient operation and high product qualification rate.

The Y-shaped groove 2 is respectively provided with a limiting step (not shown in the figure) which is matched with the first end, the second end and the third end of the Y-shaped check valve for limiting, and each limiting step is internally provided with a limiting gasket (not shown in the figure) with a buffering effect.

In this embodiment, through set up spacing step and spacing gasket with first end, second end and third end assorted in the Y type groove 2 of base 1, treat the welding Y type check valve lower half and carry out spacing alignment based on spacing step, further improved the quick accurate fixed of treating the welding Y type check valve lower half, simultaneously, spacing gasket can effectively treat the tip of welding Y type check valve and carry out effective protection.

As shown in fig. 1 and 2, the base 1 is provided with a ventilation pipeline (not shown in the drawings) connected with external welding shielding gas, the first air hole 6 is communicated with the ventilation pipeline through an air pipe 61, the first air hole 6 is provided with a first air tap 62 connected with an air outlet end of the air pipe 61, and the air outlet end of the ventilation pipeline is provided with a second air tap 63 connected with an air inlet end of the air pipe 61.

In this embodiment, through set up the vent line of being connected with outside welding shielding gas on base 1 to be connected first air vent 6 and vent line, make the structure of this welding frock more reasonable, can adapt to various processing environment.

Wherein, the external diameter sizes of the second fixing column 4 and the third fixing column 5 are different.

In this embodiment, through setting the external diameter size of second fixed column 4 and third fixed column 5 to inequality, can be convenient for operating personnel discern, and then conveniently treat the tip of welding Y type check valve and fix, improved work efficiency to a certain extent.

As shown in fig. 1 and 2, the first screw 11 further includes a buffer spacer 13, and the first fixing post 3 is fixed to the first end of the Y-check valve through the buffer spacer 13.

In this embodiment, the buffer pad 13 is provided to prevent the first screw 11 from damaging the side surface of the first fixing column 3, so that the side surface of the first fixing column 3 is effectively protected.

The Y-shaped check valve welding tool provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a Y type check valve welding frock, its characterized in that, including base (1), first screw rod (11) and second screw rod (12), set up on base (1) with Y type check valve lower half structure assorted Y type groove (2), Y type check valve is including the cover first end that is equipped with first fixed column (3), the cover second end that is equipped with second fixed column (4) and the cover third end that is equipped with third fixed column (5), transversely be equipped with first gas pocket (6) with Y type check valve inner chamber intercommunication on first fixed column (3), and the outside of base (1) is arranged in to one side that first fixed column (3) kept away from first end, be equipped with first screw (7) that are located first fixed column (3) downside in the base (1) outside, first fixed column (3) are connected with first fixed column (3) at the first end of Y type check valve through first screw rod (11) and first screw (7) matching threaded connection, the inlet end of first gas pocket (6) is connected with outer protection gas pipe (61) and sets up on first fixed column (8) and second fixed column (8) are connected with the first counter sunk hole (8) of connecting with outside protection gas (8), the second screw rod (12) is respectively connected with the counter bore (8) and the second screw hole (9) in a matching way and is used for fixing the second fixing column (4) and the third fixing column (5) on the base (1).

2. The welding fixture for the Y-shaped check valve according to claim 1, wherein limiting steps matched with the first end, the second end and the third end of the Y-shaped check valve for limiting are respectively arranged in the Y-shaped groove (2).

3. The Y-check valve welding fixture of claim 2, wherein each of said stop steps is internally provided with a stop washer having a cushioning effect.

4. The welding fixture for the Y-type check valve according to claim 1, wherein the base (1) is provided with a vent pipeline connected with external welding protective gas, and the first gas hole (6) is communicated with the vent pipeline through a gas pipe (61).

5. The welding fixture for the Y-shaped check valve according to claim 4, wherein the first air hole (6) is provided with a first air tap (62) connected with the air outlet end of the air pipe (61), and the air outlet end of the air pipe is provided with a second air tap (63) connected with the air inlet end of the air pipe (61).

6. The welding fixture for the Y-type check valve according to claim 1, wherein the outer diameter sizes of the second fixing column (4) and the third fixing column (5) are different.

7. The welding fixture for the Y-shaped check valve according to claim 1, further comprising a buffer gasket (13), wherein the first screw (11) fixes the first fixing column (3) at the first end part of the Y-shaped check valve through the buffer gasket (13).