CN220196794U

CN220196794U - Cylinder class part welding jig

Info

Publication number: CN220196794U
Application number: CN202323055588.4U
Authority: CN
Inventors: 于忠广
Original assignee: Shenyang Rongchuang Precision Manufacturing Co ltd
Current assignee: Shenyang Rongchuang Precision Manufacturing Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2023-12-19
Anticipated expiration: 2033-11-13

Abstract

The utility model discloses a welding fixture for cylindrical parts, and relates to the technical field of fixtures. This cylinder class part welding jig, including hollow bottom plate, the upper surface of bottom plate threaded connection has four first screws of group in proper order, every first screw of group is two, the surface of every first screw all is connected with the clamp plate, through the clamp plate and locating pin isotructure that set up, place the part on the bottom plate, preliminary location to the part by the locating pin, twist a plurality of first screws, make the clamp plate push down, thereby press from both sides tightly fixedly to the part upside, then screw in second screw to a plurality of screw holes, promote the fixed effect of part, compare with prior art, compress tightly fixedly to the part through the clamp plate, can effectively prevent the condition that the part from appearing the slope, ensure the planarization and the subsequent machining precision of part, and can follow the part below through screwing the bolt spacing, thereby further promote the fixed effect of part.

Description

Cylinder class part welding jig

Technical Field

The utility model relates to the technical field of clamps, in particular to a welding clamp for cylindrical parts.

Background

In the field of mechanical manufacture, parts of various shapes and specifications are included, including cylindrical parts, such as cylindrical nozzle parts, characterized by a body of revolution, and by a multi-layer structure, each layer passing a different gas, the width of each layer of such parts being highly demanding.

The prior clamp for cylindrical parts can clamp the inner and outer surfaces of the cylindrical parts, for example, chinese patent application No. CN202220276080.3 discloses a centering clamp for shaft sleeve parts, which comprises an annular disc body, a plurality of first pushing assemblies arranged on the annular disc body and along the inner circumference of the annular disc body, and a plurality of second pushing assemblies arranged on the annular disc body and along the outer circumference of the outer cylindrical surface of the annular disc body; the first pushing component is used for pushing the outer cylindrical surface of the part; the second pushing component is used for pushing the inner cylindrical surface of the part.

The clamp clamps the inner surface and the outer surface of the part, the upper surface is not limited in the clamping process, the part is easy to incline in the clamping process, the flatness of the part can be influenced, and the subsequent processing precision of the part is influenced.

Disclosure of Invention

In order to solve the technical problems, the utility model discloses a cylindrical part welding fixture, which solves the problem of poor flatness of the clamped parts.

The specific technical scheme is as follows:

in order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a cylinder class part welding jig, includes hollow bottom plate, the upper surface of bottom plate has four first screws of group threaded connection in proper order, every group first screw is two, every the surface of first screw all is connected with the clamp plate, the upper surface symmetry of bottom plate is equipped with the locating pin, a plurality of screw holes have been seted up in proper order to the upper surface of bottom plate, and a plurality of equal threaded connection of screw hole inner wall has the second screw.

Preferably, the upper surface of bottom plate runs through in proper order and has seted up four trompils, four the inner wall of trompil all is equipped with the screw thread, four the equal threaded connection of inner wall of trompil has the bolt.

Preferably, the outer surfaces of the two positioning pins are provided with bushings.

Preferably, a gasket is arranged on the outer surface of each first screw, and the lower surface of the gasket is attached to the pressing plate.

Preferably, the bushing and the locating pin are made of 316L stainless steel.

Preferably, an annular groove is formed in the inner side of the bottom plate.

Compared with the prior art, the utility model has the following beneficial technical effects:

through the clamp plate and locating pin isotructure that set up, place the part on the bottom plate, preliminary location by the locating pin to the part, twist a plurality of first screws, make the clamp plate push down, thereby press from both sides tightly fixedly to the part upside, then screw in the second screw to a plurality of screw holes, promote the fixed effect of part, compare with prior art, compress tightly fixedly to the part through the clamp plate, can effectively prevent the condition that the slope appears in the part, ensure the planarization and the subsequent machining precision of part, and can follow the part below and carry out spacingly through twisting the bolt, thereby further promote the fixed effect of part.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of the clamping of the present utility model.

In the figure: 1. a bottom plate; 2. a first screw; 3. a pressing plate; 4. a positioning pin; 5. a bushing; 6. a gasket; 7. an annular groove; 8. opening holes; 9. a bolt; 10. and a second screw.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific examples, to which the scope of protection is not limited.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a cylinder class part welding jig, including hollow bottom plate 1, the upper surface of bottom plate 1 threaded connection has four first screws 2 of group in proper order, and every first screw 2 of group is two, and the surface of every first screw 2 all is connected with clamp plate 3, and the upper surface symmetry of bottom plate 1 is equipped with locating pin 4, and a plurality of screw holes have been seted up in proper order to the upper surface of bottom plate 1, and a plurality of screw hole inner walls equal threaded connection has second screw 10, and a plurality of holes have been seted up to bottom plate 1 upper surface, and the hole inner wall is equipped with screw thread and hole and first screw 2 position correspondence.

During operation, place the part on bottom plate 1, aim at two locating pins 4 with the through-hole of part both sides simultaneously, make locating pin 4 insert in the through-hole of part, preliminary location to the part, then screw in first screw 2 to the hole in, can drive clamp plate 3 when first screw 2 moves to the hole in and push down, clamp plate 3 can compress tightly the part, makes the part fix on bottom plate 1, screws in second screw 10 to the screw hole, promotes the fixed effect of part and bottom plate 1.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the upper surface of bottom plate 1 runs through in proper order and has seted up four trompils 8, and the inner wall of four trompils 8 all is equipped with the screw thread, and the equal threaded connection of inner wall of four trompils 8 has bolt 9, and the spiral shell handle of bolt 9 is towards the part.

When the device is in operation, after the part is fixed on the bottom plate 1, the bolt 9 is screwed, so that the screw shank of the bolt 9 props against the lower side of the part, the lower side of the part is clamped and fixed, the fixing effect of the part is improved, and the fixing effect of the part is ensured.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the outer surfaces of both positioning pins 4 are provided with bushings 5.

During operation, through the setting of bush 5, can promote the wearability of locating pin 4, and can promote the locating effect of locating pin 4 to the part.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the outer surface of each first screw 2 is provided with a gasket 6, and the lower surface of the gasket 6 is attached to the pressing plate 3.

During operation, through the setting of packing ring 6, can promote the wearability of first screw 2, promote the life of first screw 2.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the bushing 5 and the locating pin 4 are made of 316L stainless steel.

During operation, the bushing 5 and the locating pin 4 made of 316L stainless steel have better strength and toughness, and are beneficial to the repeated use of the locating pin 4.

Referring to fig. 1 and 2, the present utility model provides a technical solution: an annular groove 7 is formed in the inner side of the bottom plate 1.

During operation, through the arrangement of the annular groove 7, the whole weight of the bottom plate 1 can be reduced, and the bottom plate 1 can be conveniently used in different places.

In general, place the part on bottom plate 1, two locating pins 4 are aimed at simultaneously with the through-hole of part both sides, make locating pin 4 insert in the through-hole of part, preliminary location to the part, then screw in first screw 2 to the hole, can drive clamp plate 3 and push down when first screw 2 moves to the hole, clamp plate 3 can compress tightly the part, make the part fix on bottom plate 1, screw in second screw 10 to the screw hole, promote the fixed effect of part and bottom plate 1, after the part is fixed on bottom plate 1, screw bolt 9, make the shank department of bolt 9 support the downside of part, thereby press from both sides fixedly to the downside of part, further promote the fixed effect to the part.

Claims

1. The utility model provides a cylinder class part welding jig, includes hollow bottom plate (1), its characterized in that: the upper surface of bottom plate (1) threaded connection has four first screw (2) of group in proper order, every group first screw (2) are two, every the surface of first screw (2) all is connected with clamp plate (3), the upper surface symmetry of bottom plate (1) is equipped with locating pin (4), a plurality of screw holes have been seted up in proper order to the upper surface of bottom plate (1), and a plurality of equal threaded connection of screw hole inner wall has second screw (10).

2. The cylindrical part welding fixture according to claim 1, wherein: four holes (8) are sequentially formed in the upper surface of the bottom plate (1) in a penetrating mode, threads are formed in the inner walls of the holes (8), and bolts (9) are connected to the inner walls of the holes (8) in a threaded mode.

3. The cylindrical part welding fixture according to claim 1, wherein: the outer surfaces of the two positioning pins (4) are provided with bushings (5).

4. The cylindrical part welding jig according to claim 2, wherein: the outer surface of each first screw (2) is provided with a gasket (6), and the lower surface of the gasket (6) is attached to the pressing plate (3).

5. A cylindrical part welding jig according to claim 3, wherein: the bushing (5) and the locating pin (4) are made of 316L stainless steel.

6. The cylindrical part welding fixture according to claim 1, wherein: an annular groove (7) is formed in the inner side of the bottom plate (1).