CN217433582U

CN217433582U - Natural gas rail end cap press-fit device

Info

Publication number: CN217433582U
Application number: CN202221543932.7U
Authority: CN
Inventors: 陈德祥
Original assignee: Wuxi Weifu Schmitter Powertrain System Components Co ltd
Current assignee: Wuxi Weifu Schmitter Powertrain System Components Co ltd
Priority date: 2021-07-16
Filing date: 2022-06-20
Publication date: 2022-09-16
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to an automatic press-fit process of a spherical plug, in particular to a press-fit device of a natural gas rail plug, which comprises a base body, wherein the base body consists of a base and a supporting structure fixed above the base, and the base is horizontal and used for bearing; the limiting assembly comprises a first limiting seat and a second limiting seat which are arranged on two sides of the base; the sliding block is positioned between the first limiting seat and the second limiting seat in a sliding manner, and a tool structure for positioning a workpiece is arranged on the sliding block; and the lower pressing piece is vertically positioned above the tool structure and is fixedly connected with the supporting structure. This scheme is through the position of two stations of accurate control, can realize the high pressure of centering degree and join in marriage the operation, has guaranteed that pushing down piece, spherical end cap and recess are in on the same axis all the time at the pressure distribution in-process, avoids pushing down the damage of piece, improves the product percent of pass and hangs down.

Description

Natural gas rail end cap press-fit device

Technical Field

The utility model relates to a spherical end cap automatic press is joined in marriage technology, especially relates to a natural gas rail end cap is joined in marriage and is joined in marriage device.

Background

The existing natural gas rail plugging process generally adopts a machined aluminum block, two grooves for press-mounting two spherical plugs are reserved at one end of the aluminum block, the spherical plugs are generally preassembled on the grooves, and the spherical plugs are subjected to expansion fitting with the aluminum block for plugging through press-fitting of steel balls.

The traditional press-fit mode is generally preassembled the work piece on the location frock, and the pressure head is fixed on the equipment press, and traditional mode is not applicable to this kind of press-fit and requires higher part to neutrality, and this kind of press-fit operation not only influences the press-fit size to the neutrality is poor easily, moreover because press-fit force is not on same axis, causes the damage of pushing down the piece easily, and then causes the qualification rate to hang down.

In order to solve the problems, a natural gas rail plug press-fit device is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of poor centering performance in the press-fit process of the natural gas rail plug, the invention provides a centering tool and a centering method of a double-shaft machine tool, so that the press-fit operation of high-precision centering is realized, a pressing piece, a spherical plug and a groove are always on the same axis in the press-fit process, the damage of the pressing piece is avoided, and the product yield is improved.

A natural gas rail plug press-fit device comprising:

the base body consists of a base and a supporting structure fixed above the base, and the base is horizontal and used for bearing;

the limiting assembly comprises a first limiting seat and a second limiting seat which are arranged on two sides of the base;

the sliding block is positioned between the first limiting seat and the second limiting seat in a sliding manner, and a tool structure for positioning a workpiece is arranged on the sliding block;

the lower pressing piece is vertically positioned above the tool structure and is fixedly connected with the supporting structure;

when a workpiece is preassembled in the tool structure, the sliding block abuts against the first limiting seat, one groove in the workpiece is located under the lower pressing piece, the sliding block abuts against the second limiting seat, and the other groove in the workpiece is located under the lower pressing piece.

Preferably, the supporting structure comprises side plates and a top plate, wherein the two sides of the base are vertical, and the top plate is horizontally and fixedly connected with the top ends of the side plates.

Preferably, the lower pressing piece comprises a pressing rod, the bottom end of the pressing rod is fixedly connected with a pressing joint, a circular groove is formed in the top plate, a guide sleeve is fixed in the circular groove, the pressing rod is connected with the guide sleeve in a sliding mode, a spring is sleeved on the pressing rod and used for returning the pressing rod to an initial position, and a flange structure used for limiting the spring is arranged at the top end of the pressing rod.

Preferably, the bottom of the crimping head is provided with a profile groove matched with the spherical plug.

Preferably, the tool structure comprises a positioning part and a clamping part:

the positioning part comprises a U-shaped limiting plate matched with the bottom of the workpiece, the limiting plate is vertical, the bottom of the limiting plate is connected with a horizontal bottom plate, the rear part of the limiting plate is provided with a back plate vertically connected with the bottom plate, and the bottom of the back plate is provided with a bearing plate fixedly connected with the top of the sliding block;

the clamping part comprises a compression cylinder which is fixedly connected with the two sides of the top of the back plate in a vertical shape, the telescopic end of the compression cylinder faces forwards, is fixedly connected with a limiting block matched with the middle of the workpiece, and is used for supporting the workpiece on the limiting plate.

Preferably, the base is provided with a slide rail in sliding fit with the slide block, and the slide rail is arranged between the first limiting seat and the second limiting seat.

Preferably, an oil buffer is embedded in one side, facing the sliding block, of the first limiting seat, a transposition cylinder is embedded in one side, facing the sliding block, of the second limiting seat, the telescopic end of the transposition cylinder is fixedly connected with the sliding block, and the transposition cylinder is used for driving the sliding block to linearly move in a reciprocating mode along the sliding rail.

The utility model has the advantages that: the base of the scheme is provided with the first limiting seat and the second limiting seat, after a workpiece is preassembled in the tooling structure, the push-pull sliding block of the transposition air cylinder offsets with the first limiting seat or the second limiting seat, at the moment, the tooling structure is arranged under any station, the pushing piece is just right positioned right above the groove, after the spherical plug is preassembled in the groove, the spherical plug is pressed into the groove by using the pressing joint, the scheme can realize the press-fit operation of high-precision centering through accurately controlling the positions of the two stations, the pushing piece is guaranteed, the spherical plug and the groove are always positioned on the same axis in the press-fit process, the damage of the pushing piece is avoided, and the product yield is improved.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1;

fig. 3 is a schematic top view of the structure of fig. 1.

In the figure: 1. a base; 2. a side plate; 3. a top plate; 4. a first limiting seat; 5. a second limiting seat; 6. a slider; 7. a carrier plate; 8. a back plate; 9. a limiting plate; 10. a compaction cylinder; 11. a limiting block; 12. a base plate; 13. a pressure lever; 14. a guide sleeve; 15. a spring; 101. a slide rail; 401. a hydraulic shock absorber; 501. a transposition air cylinder; 1301. and (4) a crimping head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-3, in an embodiment of the present invention, a natural gas rail plug press-fit device includes a base body, the base body is composed of a base 1 and a supporting structure fixed above the base 1, and the base 1 is horizontal for bearing; the limiting assembly comprises a first limiting seat 4 and a second limiting seat 5 which are arranged on two sides of the base 1; the sliding block 6 is positioned between the first limiting seat 4 and the second limiting seat 5 in a sliding manner, and a tool structure for positioning a workpiece is arranged on the sliding block 6; and the lower pressing piece is vertically positioned above the tool structure and is fixedly connected with the supporting structure.

It should be noted that, when a workpiece is pre-installed in the tool structure, the slider 6 abuts against the first limiting seat 4, one groove in the workpiece is located right below the pressing piece, the slider 6 abuts against the second limiting seat 5, and the other groove in the workpiece is located right below the pressing piece.

Example 1: in this embodiment, the supporting structure includes a side plate 2 that is vertical on both sides of the base 1 and a top plate 3 that is horizontal and fixedly connected with the top end of the side plate 2, and forms a base body of a frame-shaped structure with the base 1.

Embodiment 2, in this embodiment, the lower pressing member includes a pressing rod 13, a pressing joint 1301 is fixedly connected to a bottom end of the pressing rod 13, a circular groove is formed in the top plate 3, a guide sleeve 14 is fixed in the circular groove, the pressing rod 13 is connected to the guide sleeve 14 in a sliding manner, a spring 15 is sleeved on the pressing rod 13 for retracting the pressing rod 13 to an initial position, and a rim structure for limiting the spring 15 is arranged at a top end of the pressing rod 13.

Further, because the spherical plug is imported, the part is subjected to press fit with strict requirements on size and press fit force, the size and shape of a pressure head in the press fit device and the alignment property of the pressure head and the part are required to be high, and therefore the bottom of the press joint 1301 in the embodiment is provided with the profile groove matched with the spherical plug, the design of the profile groove increases the contact surface between the press joint 1301 and the spherical plug, the aluminum block body is prevented from being crushed in the press fit process, and the press fit force and the press fit size are ensured to be stable.

The utility model discloses in, the frock structure includes location part and clamping part:

the positioning part comprises a U-shaped limiting plate 9 matched with the bottom of the workpiece, the limiting plate 9 is vertical, the bottom of the limiting plate 9 is connected with a horizontal bottom plate 12, a back plate 8 connected with the bottom plate 12 in a vertical mode is arranged at the rear part of the limiting plate 9, a bearing plate 7 fixedly connected with the top of the sliding block 6 is arranged at the bottom of the back plate 8, and the position of the workpiece in the horizontal direction can be accurately controlled by the U-shaped groove of the limiting plate 9 where the workpiece is preassembled.

The clamping part comprises a pressing cylinder 10 which is fixedly connected with two sides of the top of the back plate 8 in a vertical mode, the telescopic end of the pressing cylinder 10 faces forwards, the pressing cylinder 10 is fixedly connected with a limiting block 11 matched with the middle of a workpiece, the limiting block 11 is driven by the pressing cylinder 10 to support the workpiece on a limiting plate 9, and the workpiece is limited to move.

Example 3: in this embodiment, the base 1 is provided with a slide rail 101 slidably engaged with the slide block 6, and the slide rail 101 is disposed between the first limiting seat 4 and the second limiting seat 5 to facilitate the lateral movement of the slide block 6.

The utility model discloses in, oil buffer 401 has been buried underground towards one side of slider 6 to spacing seat one 4, transposition cylinder 501 has been buried underground towards one side of slider 6 to spacing seat two 5, the flexible end and the 6 fixed connection of slider of transposition cylinder 501, oil buffer 401 is used for buffering and guarantees when slider 6 offsets with spacing seat one 4, ensure the centering nature under this state, transposition cylinder 501 is used for driving slider 6 along the reciprocal linear motion of slide rail 101, make the frock structure that links to each other with slider 6 switch over each other between two stations, accomplish the pressure and join in marriage.

The specific implementation mode is as follows: after preassembling the workpiece in the tooling structure, the transposition air cylinder 501 pushes and pulls the sliding block 6 to abut against the first limiting seat 4 or the second limiting seat 5, at the moment, the tooling structure is under any station, the pushing piece is just above the groove, after the spherical plug is preassembled in the groove, the spherical plug is pressed into the groove by using the pressing joint 1301, the position of the two stations is accurately controlled, the high-precision centering press-fit operation can be realized, the pushing piece, the spherical plug and the groove are ensured to be on the same axis all the time in the press-fit process, the damage to the pushing piece is avoided, and the product percent of pass is low.

In the practical operation process, the workpiece is pre-installed in the tool structure, the workpiece cannot be detached after the first press-fit of the spherical plug is completed, and the press-fit of the next spherical plug is continuously completed after the station is switched by using the transposition air cylinder 501, so that the press-fit of two grooves can be completed at one time, and the tool has the advantages of high production efficiency and suitability for batch production.

It should be noted that the components in the present invention are all general standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a natural gas rail end cap is pressed and is joined in marriage device which characterized in that includes:

the base body consists of a base (1) and a supporting structure fixed above the base, and the base (1) is horizontal and used for bearing;

the limiting assembly comprises a first limiting seat (4) and a second limiting seat (5) which are arranged on two sides of the base (1);

the sliding block (6) is positioned between the first limiting seat (4) and the second limiting seat (5) in a sliding manner, and a tool structure for positioning a workpiece is arranged on the sliding block (6);

when a workpiece is preassembled in the tool structure, the sliding block (6) is abutted to the first limiting seat (4), one groove in the workpiece is located under the lower pressing piece, the sliding block (6) is abutted to the second limiting seat (5), and the other groove in the workpiece is located under the lower pressing piece.

2. The natural gas rail plug press-fit device according to claim 1, wherein the support structure comprises side plates (2) which are vertically arranged on two sides of the base (1) and a top plate (3) which is horizontally and fixedly connected with the top ends of the side plates (2).

3. The natural gas rail plug press-fit device according to claim 2, wherein the pressing member comprises a pressing rod (13), a pressing head (1301) is fixedly connected to the bottom end of the pressing rod (13), a circular groove is formed in the top plate (3), a guide sleeve (14) is fixed in the circular groove, the pressing rod (13) is connected with the guide sleeve (14) in a sliding manner, a spring (15) is sleeved on the pressing rod (13) and used for enabling the pressing rod (13) to return to an initial position, and an edge structure used for limiting the spring (15) is arranged at the top end of the pressing rod (13).

4. The natural gas rail plug press-fit device as claimed in claim 3, wherein the bottom of the crimping head (1301) is provided with a contour groove matched with the spherical plug.

5. The natural gas rail plug press-fit device according to any one of claims 1 to 4, wherein the tool structure comprises a positioning part and a clamping part:

the positioning part comprises a U-shaped limiting plate (9) matched with the bottom of the workpiece, the limiting plate (9) is vertical, the bottom of the limiting plate (9) is connected with a horizontal bottom plate (12), a back plate (8) vertically connected with the bottom plate (12) is arranged at the rear part of the limiting plate (9), and a bearing plate (7) fixedly connected with the top of the sliding block (6) is arranged at the bottom of the back plate (8);

the clamping part comprises a pressing cylinder (10) which is vertically and fixedly connected with the two sides of the top of the back plate (8), the telescopic end of the pressing cylinder (10) is forwards and fixedly connected with a limiting block (11) matched with the middle of a workpiece, and the limiting block (11) is used for supporting the workpiece on a limiting plate (9).

6. The natural gas rail plug press-fit device according to claim 5, wherein a slide rail (101) in sliding fit with the slide block (6) is arranged on the base (1), and the slide rail (101) is arranged between the first limiting seat (4) and the second limiting seat (5).

7. The natural gas rail plug press-fit device according to claim 6, wherein an oil buffer (401) is embedded in one side, facing the sliding block (6), of the first limiting seat (4), a transposition cylinder (501) is embedded in one side, facing the sliding block (6), of the second limiting seat (5), the telescopic end of the transposition cylinder (501) is fixedly connected with the sliding block (6), and the transposition cylinder (501) is used for driving the sliding block (6) to linearly move in a reciprocating mode along the sliding rail (101).