CN213136500U

CN213136500U - Positioning fixture for parts

Info

Publication number: CN213136500U
Application number: CN202022027330.3U
Authority: CN
Inventors: 钱鹏
Original assignee: Suzhou Rongjingsheng Machinery Manufacturing Co ltd
Current assignee: Suzhou Rongjingsheng Machinery Manufacturing Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to a positioning fixture for parts, which is applied in the technical field of positioning of special-shaped parts, solves the problems of insecure positioning of the special-shaped parts, easy occurrence of processing errors and high product rejection rate, and comprises a substrate, wherein a first limit block, a second limit block and a third limit block are arranged on the substrate, the first limit block is arranged along the width direction of one end of the substrate and is positioned at the side edge, a semicircular limit hole is arranged at the inner side of the first limit block, threads are arranged at the inner side of the semicircular limit hole, a first screw hole is arranged at the position corresponding to the semicircular limit hole on the substrate, the second limit block and the third limit block are arranged at the side edge of the other end of the substrate, the second limit block and the third limit block are oppositely arranged along the width direction of the other end of the substrate, the second limit block is, the top end of the third limiting block is provided with an adjustable positioning piece; the positioning device has the effects of firm positioning of the special-shaped part and wide application range.

Description

Positioning fixture for parts

Technical Field

The utility model discloses use in special-shaped parts location technical field, especially relate to a positioning fixture for spare part.

Background

In the machine-building in-process, sometimes conventional part can not satisfy the operation requirement, consequently can use special-shaped part often, when processing special-shaped part, need place it and fix a position the clamp tightly on positioning fixture, because special-shaped part's structure is complicated, can't be stable, firm fix on conventional positioning fixture, in the in-process of carrying out processing to special-shaped part, special-shaped part location is insecure, machining error appears easily, leads to the rejection rate of product to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a positioning fixture for spare part has solved special-shaped parts location insecure, appears machining error easily, leads to the problem that the product rejection rate improves.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a positioning fixture for spare part, which comprises a base plate, be provided with first stopper, second stopper and third stopper on the base plate, first stopper sets up and is located side department along base plate one end width direction, the inboard of first stopper is provided with the spacing hole of semi-circular, the spacing downthehole side of semi-circular is provided with the screw thread, be provided with first screw with the corresponding position in the spacing hole of semi-circular on the base plate, second stopper and third stopper set up other end side department at the base plate, second stopper and third stopper set up along base plate other end width direction relatively, the second stopper sets up along the length direction of base plate, the third stopper sets up along the diagonal of base plate, the top of third stopper is provided with adjustable setting element.

Further, the top of third stopper is provided with the fixed orifices of taking the screwed, the setting element includes end cap and dead lever, the end cap sets up the top at the dead lever, be provided with the screw thread on the dead lever, dead lever threaded connection is in the fixed orifices.

Furthermore, the outer side of the first limiting block is provided with a blind hole, the top of the first limiting block is provided with a second screw hole, the second screw hole is communicated with the blind hole, a second bolt is arranged in the second screw hole, the main body part of the second bolt penetrates through the bottom end of the second screw hole, and the diameter of the end part of the second bolt is larger than that of the second screw hole.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a positioning fixture for spare part, including the base plate, be provided with first stopper, second stopper and third stopper on the base plate, with special-shaped part joint in positioning fixture, through first stopper, second stopper and third stopper to special-shaped part along the width direction of base plate and the ascending location of length direction, and make special-shaped part fix a position fast; meanwhile, one side of the bottom end of the special-shaped part is respectively hung on the first limiting block, the second limiting block and the third limiting block, a second bolt on the first limiting block and a positioning piece on the third limiting block push the special-shaped part suspended above the positioning clamp, one end of the main body part of the first bolt penetrates through a third screw hole of the special-shaped part and a semicircular limiting hole on the first limiting plate and is in threaded connection with a first screw hole on the substrate, the special-shaped part is limited along the height direction of the positioning clamp, the special-shaped part is firmly fixed on the positioning clamp, and the clamping reliability is guaranteed;

because positioning fixture comprises first stopper, second stopper and third stopper, when special-shaped part is less, accessible second stopper and third stopper are fixed a position it or contradict the location of realizing special-shaped part in special-shaped part's outer end through first stopper, second stopper and third stopper, make positioning fixture suitability wider.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

fig. 2 is an exploded view of the overall structure in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the first stopper in the embodiment of the present invention.

Wherein the reference numerals are as follows:

1. a substrate; 2. a first stopper; 3. a second limiting block; 4. a third limiting block; 5. a semicircular limiting hole; 6. a first screw hole; 7. a positioning member; 71. an end cap; 72. fixing the rod; 8. a fixing hole; 9. Blind holes; 10. a second screw hole; 11. and a second bolt.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Refer to fig. 1 and fig. 2, for the utility model provides a pair of a positioning fixture for spare part, including base plate 1, be provided with first stopper 2 on the base plate 1, second stopper 3 and third stopper 4, first stopper 2 sets up and is located side department along 1 one end width direction of base plate, the inboard of first stopper 2 is provided with semi-circular spacing hole 5, semi-circular spacing hole 5 inboard is provided with the screw thread, be provided with first screw 6 with the corresponding position in semi-circular spacing hole 5 on the base plate 1, second stopper 3 and third stopper 4 set up in the other end side department of base plate 1, second stopper 3 and third stopper 4 set up along the other end width direction of base plate 1 relatively, second stopper 3 sets up along the length direction of base plate 1, the third is spacing 4 sets up along the diagonal of base plate 1. When the special-shaped part is positioned and processed, the special-shaped part is clamped in the positioning clamp, the special-shaped part is positioned along the width direction and the length direction of the substrate 1 through the first limiting block 2, the second limiting block 3 and the third limiting block 4, one side of the bottom end of the special-shaped part is respectively hung on the first limiting block 2, the second limiting block 3 and the third limiting block 4, wherein, the special-shaped part hung on the first limit block 2 is respectively provided with a third screw hole corresponding to the semicircular limit hole 5 on the first limit block 2, a first bolt is sleeved in the third screw hole, one end of the main body part of the first bolt passes through the third screw hole of the special-shaped part and the semicircular limiting hole 5 on the first limiting plate 2 and is connected with the first screw hole 6 on the base plate 1 through screw threads, the special-shaped part is limited along the height direction of the positioning fixture, so that the special-shaped part is more firmly fixed on the positioning fixture.

Further, referring to fig. 1 and 3, an adjustable positioning member 7 is disposed at the top end of the third limiting block 4, a fixing hole 8 with threads is disposed at the top end of the third limiting block 4, the positioning member 7 includes an end cap 71 and a fixing rod 72, the end cap 71 is disposed at the top end of the fixing rod 72, the fixing rod 72 is provided with threads, and the fixing rod 72 is screwed into the fixing hole 8. The outer side of the first limiting block 2 is provided with a blind hole 9, the top of the first limiting block 2 is provided with a second screw hole 10, the second screw hole 10 is communicated with the blind hole 9, a second bolt 11 is arranged in the second screw hole 10, the main body of the second bolt 11 penetrates through the bottom end of the second screw hole 10, and the diameter of the end part of the second bolt 11 is larger than that of the second screw hole 10. When the special-shaped part is placed on the positioning fixture, a part of the special-shaped part is suspended above the positioning fixture, and in order to enable the suspension position of the special-shaped part to be more firmly positioned, when the special-shaped part is installed on the positioning fixture, a worker firstly adjusts the fixing rod 72 at the top end of the third limiting block 4 to enable the fixing rod 72 to be adjusted to a certain height, the special-shaped part is installed on the positioning fixture and then is abutted against the end cap 71 at the top end of the fixing rod 72, and when the special-shaped part is not abutted against the end cap 71 at the top end of the fixing rod 72, the fixing rod 72 is upwards rotated along the height direction of the positioning fixture by adjusting the fixing rod 72, and the end cap 71; when the fixing rod 72 is adjusted to be too high, so that the special-shaped part placed on the positioning clamp is unstable, the fixing rod 72 is adjusted to rotate downwards along the height direction of the positioning clamp, and the end cap 71 at the top end of the fixing rod 72 is enabled to abut against the special-shaped part; the second bolt 11 penetrates through the bottom end of the second screw hole 10, and the main body part of the second bolt 11 pushes the special-shaped part by adjusting the second bolt 11, so that the special-shaped part is limited, and the special-shaped part is firmly fixed in the positioning fixture.

Further, referring to fig. 1, since the positioning fixture is composed of the first limiting block 2, the second limiting block 3 and the third limiting block 4, when the special-shaped component is small, the special-shaped component can be positioned by the second limiting block 3 and the third limiting block 4 or can be abutted against the outer end of the special-shaped component through the first limiting block 2, the second limiting block 3 and the third limiting block 4, so that the positioning fixture is wider in applicability.

The utility model discloses an implement the principle: when the special-shaped part is positioned and processed, the special-shaped part is clamped in a positioning fixture, the special-shaped part is positioned along the width direction and the length direction of a substrate 1 through a first limiting block 2, a second limiting block 3 and a third limiting block 4, one side of the bottom end of the special-shaped part is respectively hung on the first limiting block 2, the second limiting block 3 and the third limiting block 4, one end of the main body part of a first bolt penetrates through a third screw hole of the special-shaped part and a semicircular limiting hole 5 on the first limiting block 2 and is in threaded connection with a first screw hole 6 on the substrate 1, the special-shaped part is limited along the height direction of the positioning fixture, so that the special-shaped part is more firmly fixed on the positioning fixture, after the special-shaped part is placed on the positioning fixture, one part of the special-shaped part is suspended above the positioning fixture, in order to ensure that the suspension position of the, when the special-shaped part is installed on the positioning fixture, a worker firstly adjusts the fixing rod 72 at the top end of the third limiting block 4 to enable the fixing rod 72 to be adjusted to a certain height, the special-shaped part is installed on the positioning fixture and then abutted against the end cap 71 at the top end of the fixing rod 72, the second bolt 11 penetrates through the bottom end of the second screw hole 10, the main body part of the second bolt 11 pushes the special-shaped part by adjusting the second bolt 11, the special-shaped part is limited, and the special-shaped part is firmly fixed in the positioning fixture.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a positioning fixture for spare part, a serial communication port, which comprises a substrate, be provided with first stopper, second stopper and third stopper on the base plate, first stopper sets up and is located side department along base plate one end width direction, the inboard of first stopper is provided with semi-circular spacing hole, semi-circular spacing downthehole side is provided with the screw thread, be provided with first screw with the corresponding position in semi-circular spacing hole on the base plate, second stopper and third stopper set up other end side department at the base plate, second stopper and third stopper set up along base plate other end width direction relatively, the second stopper sets up along the length direction of base plate, the third stopper sets up along the diagonal of base plate, the top of third stopper is provided with adjustable setting element.

2. The positioning fixture for parts according to claim 1, wherein a fixing hole with threads is formed at a top end of the third limiting block, the positioning member comprises an end cap and a fixing rod, the end cap is disposed at a top end of the fixing rod, the fixing rod is provided with threads, and the fixing rod is screwed in the fixing hole.

3. The positioning fixture for the parts according to claim 1 or 2, wherein a blind hole is formed in the outer side of the first limiting block, a second screw hole is formed in the top of the first limiting block, the second screw hole is communicated with the blind hole, a second bolt is arranged in the second screw hole, a main body of the second bolt penetrates through the bottom end of the second screw hole, and the diameter of the end portion of the second bolt is larger than that of the second screw hole.