CN215199340U

CN215199340U - Device for riveting pilot valve copper pipe

Info

Publication number: CN215199340U
Application number: CN202121608834.2U
Authority: CN
Inventors: 孙珉
Original assignee: WUXI XINGYUE TECHNOLOGY CO LTD
Current assignee: WUXI XINGYUE TECHNOLOGY CO LTD
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-17
Anticipated expiration: 2031-07-14

Abstract

The utility model provides a device for pilot valve copper pipe riveting, including braced frame, wedge, riveting block fixing base fixed mounting is at the braced frame lower extreme, riveting block fixing base is hexagonal prism form, set up the rectangle through-hole through the center pin on every side of riveting block fixing base, the riveting block includes ejector pin, arc piece, the ejector pin is arranged in the rectangle through-hole, ejector pin one end is provided with two arc lugs, the ejector pin other end is "T" type structure with arc piece connection, arc piece outside border is the arc, arc piece outside border face is the inclined plane, the wedge is the cylinder substantially, round platform form cavity has been seted up to the inside lower extreme of wedge, the oblique side of wedge round platform form cavity cooperatees along the inclined plane with the riveting block outside. Through the utility model discloses, low to solve the production efficiency that prior art exists, the poor problem of pilot valve copper pipe quality of riveting out.

Description

Device for riveting pilot valve copper pipe

Technical Field

The utility model relates to a riveting technical field, specifically speaking relate to a device for pilot valve copper pipe riveting.

Background

The pilot valve copper pipe is used as a control element which is widely applied in the fields of automation and industrial control, and the pilot type electromagnetic valve has extremely high consumption requirements in various industries. The pilot valve comprises parts such as copper pipe, movable iron, working of plastics, and wherein the copper pipe is generally produced by the mode of manual assembly, riveting at present, and this kind of production mode exists inefficiency, and the pilot valve copper pipe quality that the riveting is pressed is poor, size precision error is high, rely on defects such as artifical manual production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for pilot valve copper pipe riveting to the production efficiency who solves prior art existence is low, the poor problem of pilot valve copper pipe quality of riveting out.

In order to solve the technical problem, the utility model provides a device for riveting a pilot valve copper pipe, which comprises a supporting frame, a wedge block, a riveting block and a riveting block fixing seat, the riveting block fixing seat is fixedly arranged at the lower end of the supporting frame, the riveting block fixing seat is hexagonal prism-shaped, each side surface of the riveting block fixing seat is provided with a rectangular through hole passing through the central shaft, the riveting block comprises an ejector rod and an arc-shaped block, the ejector rod is arranged in the rectangular through hole, one end of the ejector rod is provided with two arc-shaped convex blocks, the other end of the ejector rod is connected with the arc-shaped blocks to form a T-shaped structure, the outer edge of the arc-shaped block is arc-shaped, the outer edge surface of the arc-shaped block is an inclined surface, the wedge-shaped block is a cylinder in general, the lower end of the interior of the wedge-shaped block is provided with a circular truncated cone-shaped cavity, and the inclined side face of the circular truncated cone-shaped cavity of the wedge-shaped block is matched with the inclined face of the outer edge of the riveting block.

The upper end of the riveting pressing block fixing seat is fixedly connected with a guide block, and the guide block is located inside the wedge-shaped block in sliding fit.

And a material returning needle is arranged in the guide block and moves along the central shaft of the riveting block fixing seat.

And a material returning needle spring is arranged in the guide block and presses the material returning needle downwards.

And a riveting block spring is arranged between the riveting block and the riveting block fixing seat, and provides elasticity far away from the central shaft of the riveting block fixing seat for the riveting block.

The riveting block is provided with a circular groove, one end of the spring of the riveting block is positioned in the circular groove and abutted against the circular groove, and the other end of the spring of the riveting block is abutted against the fixed seat of the riveting block.

The air cylinder is installed to the braced frame upper end, the air cylinder piston rod is connected with the wedge.

The guide rod is installed to braced frame upper end, the guide rod is connected with the wedge.

The utility model discloses the beneficial effect who brings: compared with the prior art, the utility model discloses a device for pilot valve copper pipe riveting for the riveting production of copper pipe on the pilot valve, the production efficiency of riveting copper pipe improves greatly, and copper pipe is effectual with the iron that moves laminating chucking, is used for mass production, and the riveting precision obtains improving, and the product quality that the riveting goes out is high, saves the cost of labor.

Drawings

Fig. 1 is a schematic overall structure diagram according to an embodiment of the present invention;

fig. 2 is a front view according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A' of FIG. 2;

FIG. 4 is a general view of a rivet pressing block fixing seat;

FIG. 5 is an overall schematic view of the clinch block;

FIG. 6 is a cross-sectional view of the pilot valve along a central axis;

the riveting die comprises a supporting frame 1, a wedge block 2, a riveting block 3, a riveting block fixing seat 4, a rectangular through hole 5, a guide block 6, a material returning needle 7, a material returning needle spring 8, an air cylinder 9, a guide rod 10, a push rod 310, an arc-shaped bump 311, an arc-shaped block 320, a circular groove 321, a moving iron 11, a first concave ring 12, a second concave ring 13 and a copper pipe 14.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the device for riveting a copper pipe of a pilot valve provided by the present invention comprises a supporting frame 1, a wedge 2, a riveting block 3, and a riveting block fixing seat 4, wherein the riveting block fixing seat 4 is fixedly installed at the lower end of the supporting frame 1, as shown in fig. 4, the riveting block fixing seat 4 is hexagonal prism-shaped, each side of the riveting block fixing seat 4 is provided with a rectangular through hole 5 passing through a central axis, as shown in fig. 5, the riveting block 3 comprises a top rod 310 and an arc block 320, the top rod 310 is disposed in the rectangular through hole 5, one end of the top rod 310 is provided with two arc-shaped protrusions 311, the other end of the top rod 310 is connected with the arc block 320 to form a "T" structure, the outer edge of the arc block 320 is arc-shaped, the outer edge of the arc block 320 is an inclined plane, as shown in fig. 1, the wedge 2 is substantially cylindrical, as shown in fig. 3, the inner lower end of the wedge 2 is provided with a circular cavity, the inclined side surface of the truncated cone-shaped cavity of the wedge-shaped block 2 is matched with the inclined surface of the outer edge of the riveting block 3.

Further, the upper end of the riveting pressing block fixing seat 4 is fixedly connected with a guide block 6, and the guide block 6 is located inside the wedge-shaped block 2 in a sliding fit mode.

Furthermore, a material returning needle 7 is installed in the guide block 6, and the material returning needle 7 moves along the central shaft of the riveting block fixing seat 4.

Furthermore, a material returning needle spring 8 is arranged in the guide block 6, and the material returning needle spring 8 presses the material returning needle 7 downwards.

Further, a riveting block spring is arranged between the riveting block 3 and the riveting block fixing seat 4, and provides elastic force far away from the central shaft of the riveting block fixing seat 4 for the riveting block 3.

Further, a circular groove 321 is formed in the riveting block 3, one end of the riveting block spring is located in the circular groove 321 and abuts against the circular groove, and the other end of the riveting block spring abuts against the riveting block fixing seat 4.

Further, an air cylinder 9 is installed at the upper end of the supporting frame 1, and a piston rod of the air cylinder 9 is connected with the wedge block 2.

Further, a guide rod 10 is installed at the upper end of the support frame 1, and the guide rod 10 is connected with the wedge block 2.

As shown in fig. 6, the pilot valve includes a moving iron 11 and a copper pipe 14, the copper pipe 14 is sleeved on the moving iron 11, the moving iron 11 is provided with a first concave ring 12 and a second concave ring 13, and the copper pipe 14 is riveted, pressed, attached and clamped on the moving iron 11 at the first concave ring 12 and the second concave ring 13. As shown in fig. 5, two arc-shaped protrusions 311 disposed at one end of the top bar 310 are correspondingly matched with the first concave ring 12 and the second concave ring 13 of the moving iron 11, and six riveting blocks 3 are uniformly disposed along the circumference of the riveting block fixing seat 4.

As shown in fig. 3, the pilot valve is placed in the through hole of the central shaft of the riveting block fixing seat 4, the material returning needle 7 is pushed upwards and held, the piston rod of the air cylinder 9 presses the wedge-shaped block 2 downwards, the inclined side surface of the truncated cone-shaped concave cavity of the wedge-shaped block 2 is abutted with the inclined surface of the outer edge of the riveting block 3, the riveting block 3 moves towards the central shaft of the riveting block fixing seat 4, and the copper pipe 14 is riveted, deformed and clamped on the moving iron 11 at the positions of the first concave ring 12 and the second concave ring 13 by the two arc-shaped convex blocks 311; after the riveting is accomplished, control wedge 2 lifts up, and riveting piece 3 is under the effect of riveting piece spring, toward keeping away from the direction removal of 4 center pins of riveting piece fixing base, and material returned needle 7 moves out the pilot valve and rivets piece fixing base 4 with the pilot valve down-pressing.

To sum up, the utility model discloses a device for pilot valve copper pipe riveting for the riveting production of copper pipe on the pilot valve, the production efficiency of riveting copper pipe improves greatly, and the copper pipe is effectual with the iron that moves laminating chucking, is used for mass production, and the riveting precision obtains improving, and the product quality of riveting play is high, saves the cost of labor.

The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a device for pilot valve copper pipe riveting, includes braced frame (1), wedge (2), riveting piece (3), riveting piece fixing base (4), its characterized in that: the riveting block fixing seat (4) is fixedly arranged at the lower end of the supporting frame (1), the riveting block fixing seat (4) is hexagonal prism-shaped, each side surface of the riveting block fixing seat (4) is provided with a rectangular through hole (5) passing through the central shaft, the riveting and pressing block (3) comprises a top rod (310) and an arc-shaped block (320), the top rod (310) is arranged in the rectangular through hole (5), one end of the top rod (310) is provided with two arc-shaped convex blocks (311), the other end of the top rod (310) is connected with the arc-shaped blocks (320) to form a T-shaped structure, the outer edge of the arc-shaped block (320) is arc-shaped, the outer edge surface of the arc-shaped block (320) is an inclined surface, the wedge-shaped block (2) is a cylinder in general, a circular truncated cone-shaped concave cavity is arranged at the lower end in the wedge-shaped block (2), the inclined side surface of the circular truncated cone-shaped cavity of the wedge-shaped block (2) is matched with the inclined surface of the outer edge of the riveting block (3).

2. The device for riveting the copper pipe of the pilot valve according to claim 1, wherein a guide block (6) is fixedly connected to the upper end of the riveting block fixing seat (4), and the guide block (6) is located inside the wedge block (2) in sliding fit.

3. The device for riveting the copper pipe of the pilot valve according to claim 2, wherein a material returning needle (7) is installed in the guide block (6), and the material returning needle (7) moves along the central shaft of the riveting block fixing seat (4).

4. The device for riveting the copper pipe of the pilot valve according to claim 3, wherein a return needle spring (8) is arranged in the guide block (6), and the return needle spring (8) presses the return needle (7) downwards.

5. The device for riveting the copper pipe of the pilot valve according to claim 1, wherein a riveting block spring is arranged between the riveting block (3) and the riveting block fixing seat (4), and the riveting block spring provides elastic force for the riveting block (3) far away from the central shaft of the riveting block fixing seat (4).

6. The device for riveting the copper pipe of the pilot valve according to claim 5, wherein the riveting block (3) is provided with a circular groove (321), one end of the riveting block spring is positioned in the circular groove (321) to abut against, and the other end of the riveting block spring abuts against the riveting block fixing seat (4).

7. The device for riveting the copper pipe of the pilot valve according to claim 1, wherein an air cylinder (9) is installed at the upper end of the supporting frame (1), and a piston rod of the air cylinder (9) is connected with the wedge-shaped block (2).

8. The device for riveting the copper pipe of the pilot valve according to claim 1, wherein a guide rod (10) is installed at the upper end of the supporting frame (1), and the guide rod (10) is connected with the wedge-shaped block (2).