CN215524424U

CN215524424U - Automobile accessory combination testing fixture

Info

Publication number: CN215524424U
Application number: CN202121320662.9U
Authority: CN
Inventors: 黄庆; 朱登
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 an automobile accessory combination checking fixture which comprises a base, wherein a base is fixed on the base, a first detection piece is fixed on the base, a positioning assembly is fixed on the base and penetrates out of the base along the base, and the positioning assembly is used for preventing a workpiece to be detected from moving; a second detection assembly is fixed on the base and comprises a hole detection part and a surface detection part, the hole detection part comprises an end surface hole detection unit and a side wall hole detection unit, and the end surface hole detection unit and the positioning assembly are arranged on the periphery of the first detection piece and are arranged in a staggered manner; and a pressing component is further fixed on the base to press the workpiece to be detected. The utility model has the advantages that the detection mode of holding the detection pin by hand in the prior art is changed into the mode of fixing the detection assembly on the base and the base, so that the efficiency is improved.

Description

Automobile accessory combination testing fixture

Technical Field

The utility model relates to the technical field of checking tools for automobile parts, in particular to a combined checking tool for automobile parts.

Background

In the processing process of automobile parts, whether the size of the hole of each part and the position of the surface are correct is very important, the checking fixture is a tool for controlling various sizes of products, the production efficiency and the control quality can be effectively improved, the automobile part detection device is suitable for products produced in large batch, the automobile part can be detected through the checking fixture, when the automobile part detection device is used, the automobile part is firstly accurately installed on the checking fixture, then the molded surface and the periphery of the part are checked through visual inspection, a measuring meter or a caliper, the holes with different properties on the part and the connection positions between the part and the part can be detected by means of tools such as a checking pin and a go-no-go gauge, in the prior art, whether the hole detection size of the same workpiece is qualified, the manual handheld detection pin is generally adopted to continuously insert different holes to be detected on the workpiece, and the efficiency is lower by adopting the mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides an automobile accessory combined checking fixture which comprises a base, wherein a base is fixed on the base, a first detection piece is fixed on the base, a positioning assembly is fixed on the base and penetrates out of the base along the base, and the positioning assembly is used for preventing a workpiece to be detected from moving;

a second detection assembly is fixed on the base and comprises a hole detection part and a surface detection part, the hole detection part comprises an end surface hole detection unit and a side wall hole detection unit, and the end surface hole detection unit and the positioning assembly are arranged on the periphery of the first detection piece and are arranged in a staggered manner;

and a pressing component is further fixed on the base to press the workpiece to be detected.

The first detection piece is a detection disc fixed on the base.

The locating component comprises a locating pin, a first elastic piece and a plug, the locating pin penetrates through the base, a first limiting block is fixed at one end in the base, the first elastic piece is in contact with the first limiting block, the plug is fixedly connected with the base, a locating inclined plane is arranged at the end of the locating pin, and the end of the locating pin is in reciprocating movement inside the base.

A first guide sleeve is fixed inside the base, the positioning pin is contained in the first guide sleeve, and the positioning pin moves back and forth along the first guide sleeve.

A second guide sleeve penetrates through the interior of the base, and an end face hole detection unit is arranged inside the second guide sleeve.

The base is fixed with a fixing seat, a third guide sleeve penetrates through the inside of the fixing seat, and a side wall hole detection unit penetrates through the inside of the third guide sleeve.

The end face hole detection unit comprises a detection pin, a guide rod, a second elastic piece and a fixing piece, the guide rod penetrates through the two guide sleeves, the second elastic piece is arranged outside the guide rod, and the fixing piece is fixed at the end part of the guide rod.

The end surface hole detection unit has the same structure as the side wall hole detection unit.

The pressing assembly comprises pressing pliers and pressing blocks, the number of the pressing blocks is at least three, and one side of each pressing block, facing the positioning disc, is provided with a protrusion so that the protrusion is clamped with the detection disc.

The surface detection part comprises a supporting seat and a reference block, the supporting seat is fixed on the base and detachably connected with the reference block, and the reference block is provided with a reference surface.

The automobile accessory combined gauge manufactured by the technical scheme of the utility model has the following beneficial effects:

(1) when a workpiece to be detected is positioned, the positioning pin extends into the positioning hole in the workpiece, the workpiece exerts acting forces on different positions of the positioning pin under the action of gravity due to the fact that the workpiece is in contact with the base, the first elastic piece is compressed when the workpiece exerts the force on the positioning pin, the position of the workpiece is adjusted, two opposite sides of the positioning hole in the workpiece are in contact with the positioning inclined plane of the positioning pin until the workpiece is in a balanced state, the positioning assembly limits the movement of the workpiece, the special-shaped workpiece is stably positioned by the mode, deviation cannot occur, and adverse effects on a detection result are avoided;

(2) when compressing tightly the work piece, through the briquetting that is fixed with integrated into one piece at the pressing tongs tip, once only compress tightly the work piece, reduced the use quantity of pressing tongs, be equipped with the arch at the briquetting tip and be used for the chucking on detecting the dish, further improved the stability that compresses tightly.

(3) The end face hole detection unit, the side wall hole detection unit and the face detection part are arranged on the detection tool at the same time, so that the detection of holes at different positions and the detection of the position of a detection face are completed at one time, and the processes are reduced.

Drawings

FIG. 1 is a schematic overall structure diagram of an automobile part combined gauge according to the utility model;

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

FIG. 3 is a top view of the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a schematic view of the construction of the base portion of the present invention;

FIG. 6 is a schematic view of the structure of the base and base connection portion of the present invention;

in the figure, 1, a base; 2. a base; 3. a first detecting member; 4. a positioning assembly; 5. an end surface hole detection unit; 6. a side wall hole detection unit; 7. a surface detection unit; 8. a compression assembly; 9. positioning pins; 10. a first elastic member; 11. a plug; 12. a first stopper; 13. positioning the inclined plane; 14. a first guide sleeve; 15. a second guide sleeve; 16. a fixed seat; 17. a third guide sleeve; 18. a detection pin; 19. a guide bar; 20. a second elastic member; 21. a fixing member; 22. pressing pliers; 23. briquetting; 24. a protrusion; 25. a supporting seat; 26. a reference block; 27. a reference plane; 28. a foot pad; 29. a handle, 30, a workpiece to be detected; 31. and (5) auxiliary positioning pins.

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 an automobile accessory combination gauge. As shown in fig. 1-3, the detection device comprises a base 1, wherein a base 2 is fixed on the base 1, a first detection piece 3 is fixed on the base 2, a positioning assembly 4 is fixed on the base 1, the positioning assembly 4 penetrates out of the base 2 along the base 1, and the positioning assembly 4 is used for preventing a workpiece to be detected from moving; and a pressing component 8 is further fixed on the base 1 to press the workpiece to be detected. In this embodiment, the workpiece 30 to be detected is composed of two parts, one part is a main body with a plurality of round holes, the other part is a side plate fixedly connected with the main body, the side plate is provided with a plurality of round holes, when the size precision detection and the surface position precision detection of the hole of the workpiece 30 to be detected are carried out, the workpiece to be detected needs to be positioned on the detection tool through the positioning component 4, the workpiece is further compressed by the compressing component 8, subsequently, the first detecting component 3 detects whether the size precision of the hole to be detected of the main body part of the workpiece is qualified, and further, the second detecting component detects whether the size precision of the hole to be detected of each position on the workpiece is qualified.

As shown in fig. 5 and 6, the positioning assembly 4 includes a positioning pin 9, a first elastic member 10 and a plug 11, the positioning pin 9 is inserted into the base 2, a first limit block 12 is fixed at one end of the positioning pin 9 accommodated in the base 2, the first elastic member 10 is in contact with the first limit block 12, the plug 11 is fixedly connected to the base 2, a positioning inclined surface 13 is arranged at an end of the positioning pin 9, and the end of the positioning pin 9 reciprocates in the base 2. The positioning pin 9 extends into the positioning hole in the workpiece, the workpiece is in contact with the base 2, acting force is applied to different positions of the positioning pin 9 by the workpiece under the action of gravity, the positioning pin 9 is fixedly connected with the first elastic part 10, the workpiece is compressed when the force is applied to the positioning pin 9, the position of the workpiece is adjusted, two opposite sides of the positioning hole in the workpiece are in contact with the positioning inclined surface 13 of the positioning pin 9 until the workpiece is in a balanced state, and the workpiece cannot rotate. In order to make the positioning more stable, an auxiliary positioning pin 31 is inserted between the workpiece and the base 2, and the auxiliary positioning pin 31 is diagonally arranged along the workpiece. Wherein, the first stopper 12 limits the positioning pin 9 from escaping, and the first elastic member 10 is preferably a spring.

As shown in fig. 1 to 3, the pressing assembly 8 includes at least three pressing pliers 22 and pressing blocks 23, and a protrusion 24 is provided on one side of the pressing block 23 facing the positioning plate to allow the protrusion 24 to be engaged with the detection plate. After the location is accomplished, compress tightly the work piece through compressing tightly subassembly 8, the quick anchor clamps of rectilinear are chooseed for use to pressure pincers 22 for with work piece roof butt, wherein, because the tip length that compresses tightly of the quick anchor clamps of rectilinear is not enough, some improvements have been made here, will compress tightly three briquetting 23 that the tip is equipped with integrated into one piece, three briquetting 23 presses the work piece simultaneously, briquetting 23 is equipped with the arch 24 with the test tray joint towards one side of positioning disk, feasible compressing tightly more stable.

As shown in fig. 1 to 3, a second detection assembly is fixed on the base 1, the second detection assembly includes a hole detection portion and a surface detection portion 7, the hole detection portion includes an end surface hole detection unit 5 and a side wall hole detection unit 6, and the end surface hole detection unit 5 and the positioning assembly 4 are disposed on the periphery of the first detection member 3 and are arranged in a staggered manner. After the location was accomplished with the work of compressing tightly, can detect the step, set up terminal surface hole detecting element 5's position as required, in this embodiment, for the location is stable, is the diagonal angle setting with locating component 4, and is corresponding, with terminal surface hole detecting element 5 and the setting of 4 looks alternate of locating component, save space. Meanwhile, the checking fixture further comprises a surface detection part 7, so that the size tolerance and the position tolerance of the surface of the workpiece hole can be detected on one checking fixture, and the working procedures are saved.

As shown in fig. 6, a first guide sleeve 14 is fixed inside the base 2, the positioning pin 9 is accommodated in the first guide sleeve 14, and the positioning pin 9 reciprocates along the first guide sleeve 14. The first guide sleeve 14 is arranged in the positioning assembly 4, so that the guide is more stable, the friction to the base 2 in the moving process of the positioning pin 9 is reduced, and the service life of the checking fixture is prolonged.

As shown in fig. 6, a second guide sleeve 15 is inserted into the base 2, and an end surface hole detection unit 5 is provided inside the second guide sleeve 15. The second guide sleeve 15 plays a guiding role.

As shown in fig. 1, a fixing seat 16 is fixed on the base 1, a third guide sleeve 17 penetrates through the fixing seat 16, and a side wall hole detection unit 6 penetrates through the third guide sleeve 17. Likewise, the third guide sleeve 17 serves for guiding.

As shown in fig. 2 and 5, the first detecting member 3 is a detecting plate fixed on the base 2. The detection disc is fixedly connected with the base 2, and the workpiece 30 to be detected can be positioned on the detection disc, so that the hole with the largest size on the workpiece can be sleeved with the hole, and the size of the hole can be detected.

As shown in fig. 1 to 3, the end surface hole detection unit 5 includes a detection pin 18, a guide rod 19, a second elastic member 20, and a fixing member 21, the guide rod 19 is inserted into the second guide sleeve 15, the second elastic member 20 is sleeved outside the guide rod 19, and the fixing member 21 is fixed to an end portion of the guide rod 19. When the size of the end face hole is detected to be qualified, the fixing piece 21 is pushed to enable the second elastic piece 20 to be compressed, the guide rod 19 moves, then the detection pin 18 moves the hole to be detected, the detection pin 18 is provided with a first detection part and a second detection part, the size of the first detection part and the size of the second detection part are consistent with the limit size of the hole to be detected, and if the first detection part can penetrate through the hole to be detected and the second detection part cannot penetrate through the hole to be detected, the size of the detection hole is qualified; and if the first detection part and the second detection part can pass through the hole to be detected, the hole with the detection is unqualified. Preferably, the second elastic member 20 is a spring. With a diameter of

For example, the diameter of the first detecting portion of the detecting pin 18 is 2.3cm, the diameter of the second detecting portion is 3.7cm, if the first detecting portion can pass through the hole to be detected and the second detecting portion cannot pass through the hole to be detected, the size of the detecting hole is qualified, and if both the first detecting portion and the second detecting portion can pass through the hole to be detected, the hole with the detecting hole is unqualified.

As shown in fig. 1 to 3, the end face hole detection unit 5 has the same structure as the side wall hole detection unit 6. The detection assemblies for holes in different positions in the second detection assembly have the same structure.

As shown in fig. 1, a standard block is fixed to the base 1 and serves as a reference for detection. The surface detection part 7 comprises a supporting seat 25 and a reference block 26, the supporting seat 25 is fixed on the base 1, the supporting seat 25 is detachably connected with the reference block 26, and the reference block 26 is provided with a reference surface 27. When the position of one surface of a workpiece to be detected is detected, the pass-through stop gauge is used for marking between the reference surface 27 and the surface to be detected, the upper limit of the allowable deviation is used as a stop end, the lower limit of the allowable deviation is used as a pass end, when the detection is carried out, if the stop end can pass, the distance between the reference surface and the surface to be detected is large, the distance is unqualified, and if the pass end cannot pass, the distance between the reference surface and the surface to be detected is small, the distance is also unqualified, but the distance can be qualified through re-processing.

As shown in FIG. 1, a foot pad 28 is fixed at the bottom of the base 1. The height of the foot pad 28 is higher than the portion of the end surface hole detection unit 5 protruding from the base 1. The foot pad 28 plays a supporting role for the checking fixture.

As shown in fig. 1, handles 29 are fixed to opposite side surfaces of the base 1. Handle 29 is convenient for carry the utensil of examining.

The working process is as follows:

(1) the positioning component 4 is used for positioning the workpiece to avoid the rotation of the workpiece;

(2) the pressing component 8 is pressed on the top wall of the workpiece, and the bulge 24 on the pressing block 23 is clamped on the first detection piece 3.

(3) Adjusting the position of the fixing piece 21 and judging whether the size of the hole is qualified or not;

(4) whether the position of the cross section is qualified or not is judged by the go-no-go gauge penetrating through the reference surface 27 and the surface to be detected.

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 automobile accessory combined checking fixture is characterized by comprising a base (1) and is characterized in that a base (2) is fixed on the base (1), a first detection piece (3) is fixed on the base (2), a positioning component (4) is fixed on the base (1), the positioning component (4) penetrates out of the base (2) along the base (1), and the positioning component (4) is used for avoiding a workpiece to be detected from moving;

a second detection assembly is fixed on the base (1), the second detection assembly comprises a hole detection part and a surface detection part (7), the hole detection part comprises an end surface hole detection unit (5) and a side wall hole detection unit (6), and the end surface hole detection unit (5) and the positioning assembly (4) are arranged on the periphery of the first detection piece (3) in a staggered mode;

and a pressing component (8) is further fixed on the base (1) to press the workpiece to be detected.

2. The combined checking fixture for automobile parts according to claim 1, characterized in that the first detecting member (3) is a detecting plate fixed on the base (2).

3. The automobile accessory combined checking fixture as claimed in claim 1, wherein the positioning assembly (4) comprises a positioning pin (9), a first elastic member (10) and a plug (11), the positioning pin (9) is inserted into the base (2), a first limit block (12) is fixed to one end of the positioning pin (9) accommodated in the base (2), the first elastic member (10) is in contact with the first limit block (12), the plug (11) is fixedly connected with the base (1), a positioning inclined surface (13) is arranged at the end of the positioning pin (9), and the positioning pin (9) reciprocates inside the base (2).

4. The combined checking fixture for automobile parts according to claim 1, characterized in that a first guide sleeve (14) is fixed inside the base (2), the positioning pin (9) is accommodated in the first guide sleeve (14) and the positioning pin (9) moves back and forth along the first guide sleeve (14).

5. The automobile accessory combined checking fixture as claimed in claim 1, wherein a second guide sleeve (15) penetrates through the base (2), and a face hole detection unit (5) is arranged inside the second guide sleeve (15).

6. The automobile accessory combined checking fixture as claimed in claim 1, wherein a fixed seat (16) is fixed on the base (1), a third guide sleeve (17) penetrates through the fixed seat (16), and a side wall hole detection unit (6) penetrates through the third guide sleeve (17).

7. The automobile accessory combined checking fixture as claimed in claim 5, wherein the end face hole detection unit (5) comprises a detection pin (18), a guide rod (19), a second elastic piece (20) and a fixing piece (21), the guide rod (19) is arranged in the two guide sleeves (15) in a penetrating mode, the second elastic piece (20) is sleeved outside the guide rod (19), and the fixing piece (21) is fixed to the end portion of the guide rod (19).

8. The automobile accessory combination testing fixture according to claim 7, wherein the end face hole detection unit (5) and the side wall hole detection unit (6) have the same structure.

9. The automobile accessory combined checking fixture as claimed in any one of claims 1 to 8, wherein the pressing assembly (8) comprises at least three pressing jaws (22) and pressing blocks (23), and a protrusion (24) is arranged on one side of the pressing blocks (23) facing the positioning plate to enable the protrusion (24) to be clamped with the detection plate.

10. The automobile accessory combined check tool according to claim 1, wherein the surface detection part (7) comprises a support seat (25) and a reference block (26), the support seat (25) is fixed on the base (1), the support seat (25) is detachably connected with the reference block (26), and the reference block (26) is provided with a reference surface (27).