CN215524423U

CN215524423U - Auto-parts hole is with examining utensil

Info

Publication number: CN215524423U
Application number: CN202121320408.9U
Authority: CN
Inventors: 朱登; 黄庆
Original assignee: Shanghai Qujiang Automobile Technology Co ltd
Current assignee: Shanghai Qujiang Automobile Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-14
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a checking fixture for automobile part holes, which comprises a fixed base, wherein a detection assembly, a first positioning assembly and a second positioning assembly are sequentially fixed on the fixed base along the length direction, and a pressing assembly is fixed on the fixed base to press a workpiece to be detected; the first positioning component comprises a first supporting seat and a first positioning part, and the first positioning part can reciprocate along the inside of the first supporting seat; the second positioning assembly comprises a second supporting seat, a second positioning part and a third positioning part, and the second positioning part and the third positioning part can reciprocate along the inside of the second supporting seat. The utility model has the advantages of secondary positioning of the workpiece with larger length and high positioning precision.

Description

Auto-parts hole is with examining utensil

Technical Field

The utility model relates to the technical field of automobile part checking tools, in particular to a checking tool for an automobile part hole.

Background

Automobile parts are in the course of working, whether the size in hole and the position of face of every part are correct is very important, examine a tool that is used for controlling the various sizes of product, can effectively improve production efficiency and control quality, be applicable to mass production's product, can realize the detection to automobile parts through examining a tool, during the use install automobile parts on examining a tool accurately at first, then detect hole and the hookup position between part and the part of different properties on the part with the help of instruments such as inspection round pin, lead to no-go gage, among the prior art, only adopt a plurality of locating pin to the work piece location of axial dimension overlength usually, the work piece still can realize rotating, this makes in the testing process, can produce the error.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and designs a checking fixture for automobile part holes, which comprises a fixed base, wherein a detection assembly, a first positioning assembly and a second positioning assembly are sequentially fixed on the fixed base along the length direction, and a pressing assembly is fixed on the fixed base to press a workpiece to be detected;

the first positioning component comprises a first supporting seat and a first positioning part, and the first positioning part can reciprocate along the inside of the first supporting seat;

the second positioning assembly comprises a second supporting seat, a second positioning part and a third positioning part, and the second positioning part and the third positioning part can reciprocate along the inside of the second supporting seat.

First locating part includes locating pin, first elastic component and first stopper, locating pin one end is held in the first supporting seat, the locating pin other end stretches out first supporting seat, the locating pin holds one end in the first supporting seat is fixed with first stopper, first stopper butt has first elastic component, first elastic component tip butt has first end cap, first end cap with unable adjustment base fixed connection, the locating pin stretches out the one end of first supporting seat is provided with the circumference inclined plane.

The second positioning portion comprises a positioning column, an assembly groove is formed in the positioning column in a longitudinally penetrating mode, a positioning block is fixed to one end of the positioning column, a second limiting block is fixed to the other end of the positioning column, a second elastic piece is connected to the second limiting block in a butting mode, a second plug is connected to the end portion of the second elastic piece in a butting mode, the second plug is fixedly connected with the fixing base, and first positioning inclined planes are arranged on two opposite sides of the positioning block.

The third location portion comprises an assembly block and a location convex block, the assembly block is matched with the location convex block, the end portion of the assembly block is fixed with the location convex block, one side face of the location convex block is in contact with one side face of the location block, the location convex block is provided with a second location inclined plane, the other end of the assembly block is fixed with a guide post, a fourth elastic piece is sleeved outside the guide post, and two ends of the fourth elastic piece are respectively abutted against the assembly block and the second limiting block.

The detection assembly comprises a positioning frame, a first detection pin is arranged on the positioning frame in a penetrating mode, an adjusting seat is fixed on the positioning frame, an adjusting assembly and a second detection pin are arranged in the adjusting seat, the adjusting assembly adjusts the second detection pin to extend out of the adjusting seat when the second detection pin is located at the first position, and the second detection pin retracts into the adjusting seat when the second position is located.

The adjusting part include with the perpendicular regulation pole that sets up of second detection round pin axis, the second detects round pin tip butt joint and has connect the third elastic component, third elastic component tip butt joint has the third end cap, the third end cap with unable adjustment base fixed connection, adjust the seat lateral wall and seted up the regulation hole, the regulation hole is link up the first regulation hole and the second regulation hole of setting by two mutually perpendicular and is constituteed, adjust the pole with the cooperation of third elastic component is so that it holds to adjust the pole first regulation hole or in the second regulation hole.

The first supporting seat and the second supporting seat are internally fixed with guide sleeves, and the guide sleeves are respectively contacted with the positioning pins and the positioning columns.

Handles are fixed on two opposite sides of the fixed base.

The bottom of the fixed base is fixed with a foot pad.

The checking fixture for the automobile part hole manufactured by the technical scheme of the utility model has the following beneficial effects: adopt first locating component, second locating component carries out combination formula location to the work piece, wherein, first locating component avoids the work piece to take place the axial rotation, second location portion and third location portion among the second locating component keep combining together and keep mutually independent motion again, specifically, reference column and location lug pass through the assembly groove and assemble the piece cooperation together, but both have mutual independence, can follow different angles to the hole on the work piece and adjust, make first location inclined plane and second location inclined plane all keep balanced state with the hole on the work piece through second elastic component and fourth elastic component compression, adopt this kind of mode, positioning accuracy is high.

Drawings

FIG. 1 is a schematic overall structure diagram of a checking fixture for automobile part holes, according to the utility model;

FIG. 2 is a schematic structural diagram of the working state of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of the utility model taken along line B of FIG. 3;

figure 5 is an assembly view of the second and third locating portions of the present invention;

FIG. 6 is a schematic structural view of a second positioning portion of the present invention;

FIG. 7 is a schematic structural view of a third positioning portion of the present invention;

FIG. 8 is a schematic structural view of a detection assembly of the present invention;

in the figure, 1, a detection assembly; 2. a first positioning assembly; 3. a second positioning assembly; 4. a fixed base; 5. a compression assembly; 6. a first support base; 7. a second support seat; 8. positioning pins; 9. a first elastic member; 10. a first stopper; 11. a first plug; 12. a circumferential inclined surface; 13. a positioning column; 14. assembling a groove; 15. positioning blocks; 16. a second limiting block; 17. a second elastic member; 18. a first positioning inclined plane; 19. assembling the block; 20. positioning the bump; 21. a second positioning inclined plane; 22. a positioning frame; 23. an adjusting seat; 24. a first detection pin; 25. a workpiece to be detected; 26. a second detection pin; 27. adjusting a rod; 28. a third elastic member; 29. an adjustment hole; 30. a first adjustment aperture; 31. a second adjustment aperture; 32. a third plug; 33. a guide sleeve; 34. a foot pad; 35. pressing pliers; 36. a handle; 37. a second plug; 38. a guide post; 39. a fourth elastic member; 40. placing the seat.

Detailed Description

In order to better understand the utility model, the utility model is further described below by combining the specific embodiment and the attached drawings, and the utility model relates to a checking fixture for automobile part holes. As shown in fig. 1-2. The workpiece detection device comprises a fixed base 4, wherein a detection assembly 1, a first positioning assembly 2 and a second positioning assembly 3 are sequentially fixed on the fixed base 4 along the length direction, a pressing assembly 5 is fixed on the fixed base 4 to press a workpiece 25 to be detected, and the detection assembly 1 is fixed on the fixed base 4. In this embodiment, treat that work piece 25 is rectangular shape guide rail, a plurality of through-hole has been seted up on the guide rail, when examining the size to each hole, because the size is great on the work piece length direction, set up detecting component 1, first locating component 2 and second locating component 3 realize the location to the work piece jointly, fix a position the work piece through first locating component 2, realize that the work piece can not take place the ascending removal of axial, realize through second locating component 3 that the work piece can not take place radial rotation, detect the size in the hole of different positions through detecting component 1 afterwards.

As shown in fig. 1-3, the first positioning portion includes a positioning pin 8, a first elastic component 9 and a first limiting block 10, one end of the positioning pin 8 is accommodated in the first supporting seat 6, the other end of the positioning pin 8 extends out of the first supporting seat 6, one end of the positioning pin 8 accommodated in the first supporting seat 6 is fixed with the first limiting block 10, the first limiting block 10 abuts against the first elastic component 9, an end of the first elastic component 9 abuts against a first plug 11, the first plug 11 is fixedly connected with the fixed base 4, and one end of the positioning pin 8 extending out of the first supporting seat 6 is provided with a circumferential inclined surface 12. When positioning the workpiece, the positions of the holes in the workpiece are adjusted so that one of the holes is located near the first positioning component 2, and the positioning pin 8 passes through the hole, the positioning pin 8 moves toward the first elastic component 9, the positioning pin 8 compresses the first elastic component 9 so that the circumferential inclined surface 12 contacts with the hole wall of the workpiece until a balanced state is maintained, the axial position of the workpiece is determined, and no axial deviation occurs, preferably, the first elastic component 9 is a spring. The first stopper 10 prevents the positioning pin 8 from coming off. Through first end cap 11 and unable adjustment base 4 threaded connection, when installing, at first installation locating pin 8, the first elastic component 9 of repacking, first end cap 11 of installation at last, adopt this kind of mode, avoided the deformation that first elastic component 9 produced and then influenced positioning accuracy's phenomenon in the installation.

As shown in fig. 1-3 and 4-7, the second positioning portion includes a positioning column 13, an assembly groove 14 is longitudinally formed through the positioning column 13, a positioning block 15 is fixed at one end of the positioning column 13, a second limiting block 16 is fixed at the other end of the positioning column 13, the second limiting block 16 is abutted to a second elastic member 17, a second plug 37 is abutted to an end of the second elastic member 17, the second plug 37 is fixedly connected to the fixed base 4, and first positioning inclined planes 18 are disposed on two opposite sides of the positioning block 15. The third positioning portion comprises an assembling block 19 and a positioning lug 20, the assembling block 19 is matched with the positioning lug 20, the end of the assembling block 19 is fixed with the positioning lug 20, one side surface of the positioning lug 20 is in contact with one side surface of the positioning block 15, the positioning lug 20 is provided with a second positioning inclined surface 21, the other end of the assembling block 19 is fixed with a guide column 38, a fourth elastic part 39 is sleeved outside the guide column 38, and two ends of the fourth elastic part 39 are respectively abutted against the assembling block 19 and the second limiting block 16. When the second positioning component 3 positions the workpiece, the second positioning part and the third positioning part are kept combined together and kept in an independent motion process, the positioning column 13 and the positioning lug 20 are matched together through the assembling groove 14 and the assembling block 19 and can move along the second supporting seat 7, but the positioning column 13 and the positioning lug are mutually independent, holes in the workpiece can be adjusted along different directions, the first positioning inclined plane 18 and the second positioning inclined plane 21 are compressed through the second elastic part 17 and the fourth elastic part 39 to be in contact with hole walls in the workpiece in different directions until a balance state is reached, and the second positioning component 3 is adopted to prevent the workpiece from rotating. Preferably, the second elastic member 17 and the fourth elastic member 39 are both springs.

As shown in fig. 3, a guide sleeve 33 is fixed in the first support seat 6 and the second support seat 7, and the guide sleeve 33 is respectively in contact with the positioning pin 8 and the positioning column 13. The guide sleeve 33 is sleeved outside the second positioning assembly consisting of the second positioning part and the third positioning part, and the guide sleeve 33 limits the rotation tendency of the positioning column 13, the assembling block 19 and the positioning block 15, so that only the vertical movement along the second supporting seat 7 can be realized.

As shown in fig. 1, 2, 3, and 8, the detecting assembly 1 includes a positioning frame 22, a first detecting pin 24 penetrates through the positioning frame 22, an adjusting seat 23 is fixed beside the positioning frame 22, an adjusting assembly and a second detecting pin 26 are provided in the adjusting seat 23, the adjusting assembly adjusts the second detecting pin 26 to extend out of the adjusting seat 23 when in a first position, and to retract into the adjusting seat 23 when in a second position. The adjusting part include with the perpendicular regulation pole 27 that sets up of second detection round pin 26 axis, the second detects round pin 26 tip and has connect third elastic component 28, third elastic component 28 tip has connect third end cap 32, third end cap 32 with unable adjustment base 4 fixed connection, regulation seat 23 lateral wall has seted up regulation hole 29, regulation hole 29 comprises two mutually perpendicular first regulation hole 30 and the second regulation hole 31 that link up the setting, adjust pole 27 with the cooperation of third elastic component 28 is so that adjust pole 27 and hold first regulation hole 30 or in the second regulation hole 31. Before detecting the hole on the workpiece, firstly adjusting the position of the adjusting rod 27 to compress the third elastic member 28, then moving the adjusting rod 27 from the first adjusting hole 30 to the second adjusting hole 31, at this time, the height of the adjusting rod 27 is reduced, the second detecting pin 26 is completely accommodated inside the adjusting seat 23, further, the workpiece is placed, after the workpiece is placed, adjusting the adjusting rod 27 again to return to the first adjusting hole 30, the adjusting rod 27 extends out of the adjusting seat 23, the second detecting pin 26 extends into the hole to be detected on the workpiece along with the adjusting rod, so as to realize detection, subsequently, the first detecting pin 24 moves along the positioning frame 22, and the first detecting pin 24 enters into another hole to be detected on the workpiece, so as to realize whether the size of the detecting hole is qualified.

As shown in fig. 2, the fixing base 4 is further provided with a plurality of disposable detection pins and a placement base 40, and the detection pins may be mounted on the placement base 40. The detection pin and the placing seat 40 are fixed on the fixed base 4 for storage, and when the detection pin and the placing seat are used, different detection pins are taken up to detect holes in a workpiece.

As shown in FIG. 1, a foot pad 34 is fixed at the bottom of the fixed base 4. The foot pad 34 supports the fixing base 4.

As shown in fig. 1, the pressing member 5 is a pressing jaw 35. The pressing pliers 35 are vertical clamps, so that the pressing pliers are convenient and quick.

As shown in fig. 1, handles 36 are fixed to opposite sides of the fixing base 4. The handle 36 is arranged to facilitate carrying of the entire inspection device.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The checking fixture for the automobile part hole is characterized by comprising a fixed base (4), wherein a detection assembly (1), a first positioning assembly (2) and a second positioning assembly (3) are sequentially fixed on the fixed base (4) along the length direction, and a pressing assembly (5) is fixed on the fixed base (4) to press a workpiece (25) to be detected;

the first positioning component (2) comprises a first supporting seat (6) and a first positioning part, and the first positioning part can reciprocate along the inside of the first supporting seat (6);

the second positioning assembly (3) comprises a second supporting seat (7), a second positioning part and a third positioning part, and the second positioning part and the third positioning part can move in a reciprocating mode along the interior of the second supporting seat (7).

2. The checking fixture for the hole of the automobile part as claimed in claim 1, wherein the first positioning portion comprises a positioning pin (8), a first elastic member (9) and a first limiting block (10), one end of the positioning pin (8) is accommodated in the first supporting seat (6), the other end of the positioning pin (8) extends out of the first supporting seat (6), one end of the positioning pin (8) accommodated in the first supporting seat (6) is fixed with the first limiting block (10), the first limiting block (10) abuts against the first elastic member (9), the end of the first elastic member (9) abuts against a first plug (11), the first plug (11) is fixedly connected with the fixed base (4), and one end of the positioning pin (8) extending out of the first supporting seat (6) is provided with a circumferential inclined surface (12).

3. The checking fixture for the automobile accessory hole as claimed in claim 2, wherein the second positioning portion comprises a positioning column (13), an assembly groove (14) is formed in the positioning column (13) in a longitudinally penetrating manner, a positioning block (15) is fixed at one end of the positioning column (13), a second limiting block (16) is fixed at the other end of the positioning column (13), a second elastic piece (17) is abutted against the second limiting block (16), a second plug (37) is abutted against the end portion of the second elastic piece (17), the second plug (37) is fixedly connected with the fixing base (4), and first positioning inclined surfaces (18) are arranged on two opposite sides of the positioning block (15).

4. The checking fixture for the automobile part hole as claimed in claim 3, wherein the third positioning portion comprises an assembling block (19) and a positioning projection (20), the assembling block (19) is matched with the positioning projection (20), the positioning projection (20) is fixed at the end of the assembling block (19), one side surface of the positioning projection (20) is in contact with one side surface of the positioning block (15), the positioning projection (20) is provided with a second positioning inclined surface (21), a guide column (38) is fixed at the other end of the assembling block (19), a fourth elastic member (39) is sleeved outside the guide column (38), and two ends of the fourth elastic member (39) are respectively abutted against the assembling block (19) and the second limiting block (16).

5. The checking fixture for the hole of the automobile part according to claim 1, characterized in that the detecting assembly (1) comprises a positioning frame (22), a first detecting pin (24) penetrates through the positioning frame (22), an adjusting seat (23) is fixed beside the positioning frame (22), an adjusting assembly and a second detecting pin (26) are arranged in the adjusting seat (23), and the adjusting assembly adjusts the second detecting pin (26) to extend out of the adjusting seat (23) when in the first position and retract into the adjusting seat (23) when in the second position.

6. The checking fixture for the hole of the automobile part as claimed in claim 5, wherein the adjusting assembly comprises an adjusting rod (27) arranged perpendicular to an axis of the second detecting pin (26), a third elastic member (28) is abutted to an end of the second detecting pin (26), a third plug (32) is abutted to an end of the third elastic member (28), the third plug (32) is fixedly connected with the fixed base (4), an adjusting hole (29) is formed in a side wall of the adjusting base (23), the adjusting hole (29) is composed of a first adjusting hole (30) and a second adjusting hole (31) which are vertically arranged in a penetrating manner, and the adjusting rod (27) is matched with the third elastic member (28) so that the adjusting rod (27) is accommodated in the first adjusting hole (30) or the second adjusting hole (31).

7. The checking fixture for automobile part holes according to claim 3, characterized in that a guide sleeve (33) is fixed in the first support seat (6) and the second support seat (7), and the guide sleeve (33) is respectively contacted with the positioning pin (8) and the positioning column (13).

8. The inspection device for automobile part holes as claimed in claim 1, wherein handles (36) are fixed to two opposite sides of the fixing base (4).

9. The checking fixture for the hole of the automobile part as claimed in claim 1, characterized in that a foot pad (34) is fixed at the bottom of the fixing base (4).