CN213842003U

CN213842003U - Test fixture for fit clearance of workpiece assembly

Info

Publication number: CN213842003U
Application number: CN202023276033.9U
Authority: CN
Inventors: 张雅荣
Original assignee: Tianjin Zhuoyou Zhishun Technology Co ltd
Current assignee: Tianjin Zhuoyou Zhishun Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-30
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a test fixture of work piece equipment fit clearance, including first base, the top middle part of first base is provided with the spout, the left end fixedly connected with fixed block of spout, the inside sliding connection of spout has the slider, slider right-hand member upper portion fixedly connected with motor, the right-hand member middle part fixedly connected with cylinder of first base, the inside sliding connection of cylinder has the piston rod, the anterior middle part left side fixedly connected with first controller in first base top, the anterior middle part right side fixedly connected with second controller in first base top. The utility model discloses in, the motor rotates and can realize that the sleeve drives the bolt and rotate, can fix the nut through the nut hole, can observe whether the bolt can run through the nut by smooth spiral, and the test procedure can be shot to the camera, can preserve the content of shooting for a long time through storing the hard disk, and it is very convenient to use, is worth wideling popularize.

Description

Test fixture for fit clearance of workpiece assembly

Technical Field

The utility model relates to a test equipment field especially relates to a test fixture of work piece equipment fit clearance.

Background

Clearance fit means a fit with clearance including a minimum clearance equal to zero, where the tolerance band of the hole is above the tolerance band of the shaft, i.e. the actual size of the hole is always greater than or equal to the actual size of the shaft, the tolerance band of the hole is above the tolerance band of the shaft, i.e. the fit with clearance includes a fit with a span equal to zero, the difference between the size of the hole minus the size of the fitted shaft is positive, for a batch of parts, the size of all holes is greater than or equal to the size of the shaft, and if we want to test that the fit clearance of two assemblies can reach the use standard, we need to use a special test tool to observe the test process.

The traditional test tool is used for calculating the fit clearance through the specifications of two assembling parts, whether the fit clearance can meet the use requirement or not is calculated, whether the use standard can be known or not can be obtained through calculation of a plurality of steps, the use is inconvenient, the traditional test tool cannot automatically record the test process, and if the quality problem of the assembling parts occurs, the use cannot be traced back, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a test tool for assembling fit clearance of workpieces.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a test tool for a fit clearance of workpiece assembly comprises a first base, wherein a sliding groove is arranged in the middle of the top end of the first base, the left end of the sliding chute is fixedly connected with a fixed block, the inside of the sliding chute is connected with a sliding block in a sliding way, the upper part of the right end of the sliding block is fixedly connected with a motor, the driving end of the motor is fixedly connected with a sleeve, the middle part of the rear part of the top end of the first base is fixedly connected with a storage hard disk, the left side of the middle part of the rear part of the top end of the first base is fixedly connected with a second base, the middle part of the top end of the second base is fixedly connected with a supporting rod, the top end of the supporting rod is fixedly connected with a camera, the middle part of the right end of the first base is fixedly connected with a cylinder, the inside sliding link of cylinder has the piston rod, the anterior middle part left side fixedly connected with first controller in first base top, the anterior middle part right side fixedly connected with second controller in first base top.

As a further description of the above technical solution:

the bottom four corners of the first base are fixedly connected with supporting legs.

As a further description of the above technical solution:

and the middle part of the fixed block is provided with a nut hole.

As a further description of the above technical solution:

the equal fixedly connected with first stopper in slider bottom both sides.

As a further description of the above technical solution:

the camera is electrically connected with a storage hard disk.

As a further description of the above technical solution:

one end of the piston rod is fixedly connected with a second limiting block.

As a further description of the above technical solution:

the first controller is electrically connected with a motor.

As a further description of the above technical solution:

the second controller is electrically connected with a cylinder.

As a further description of the above technical solution:

the other end of the piston rod is fixedly connected to the lower part of the right end of the sliding block.

As a further description of the above technical solution:

the middle part of the fixed block and the middle part of the sliding block are on the same central line.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first can realize through the motor rotation that the sleeve drives the bolt and rotates, can fix the nut through the nut hole, can through observe whether smooth spiral of bolt runs through the nut and judge whether the fit clearance of bolt and nut can reach the requirement, just so leave the size of independent measurement bolt and nut and go to calculate the fit clearance, it is very convenient to use.

2. The utility model discloses in, can shoot the testing process at first through the camera, can preserve the content of shooting for a long time through storing the hard disk, if the investigation batch that product quality problem can be convenient appears like this, it is very convenient to use, is worth wideling popularize.

Drawings

Fig. 1 is a test fixture for a fit clearance of workpiece assembly according to the present invention;

fig. 2 is a test fixture for a fit clearance of workpiece assembly according to the present invention;

fig. 3 is a view of the utility model provides a test fixture for workpiece assembling fit clearance.

Illustration of the drawings:

1. a first base; 2. a chute; 3. a fixed block; 4. a nut hole; 5. a slider; 6. a motor; 7. a sleeve; 8. a first stopper; 9. a cylinder; 10. a piston rod; 11. a second limiting block; 12. a second base; 13. a support bar; 14. a camera; 15. storing the hard disk; 16. a first controller; 17. a second controller; 18. and (7) supporting legs.

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. 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a test tool for a fit clearance of workpiece assembly comprises a first base 1, a sliding groove 2 is arranged in the middle of the top end of the first base 1, a sliding block 5 slides left and right in the sliding groove 2, a fixed block 3 is fixedly connected to the left end of the sliding groove 2, a sliding block 5 is slidably connected to the inside of the sliding groove 2, a motor 6 is fixedly connected to the upper portion of the right end of the sliding block 5, a sleeve 7 is fixedly connected to the driving end of the motor 6, the sleeve 7 can drive a bolt to rotate when the motor 6 rotates, a storage hard disk 15 is fixedly connected to the middle of the rear portion of the top end of the first base 1, a second base 12 is fixedly connected to the left side of the middle of the rear portion of the top end of the first base 1, a support rod 13 is fixedly connected to the middle of the top end of the support rod 13, a camera 14 can shoot a test process, shot contents can be stored for a long time through the storage hard disk 15, a cylinder 9 is fixedly connected to the middle of the right end of the first base 1, the inside sliding link of cylinder 9 has piston rod 10, and cylinder 9 work can promote slider 5 through piston rod 10 and slide in spout 2 is inside, the anterior middle part left side fixedly connected with first controller 16 in first base 1 top, the anterior middle part right side fixedly connected with second controller 17 in first base 1 top.

The equal fixedly connected with landing leg 18 in bottom four corners of first base 1, landing leg 18 can make the test fixture whole more stable, the middle part of fixed block 3 is provided with nut hole 4, nut hole 4 can fixation nut, the equal first stopper 8 of fixedly connected with in 5 bottom both sides of slider, first stopper 8 can prevent that slider 5 from taking place the skew when sliding, 14 electrically connected with of camera stores hard disk 15, the one end fixedly connected with second stopper 11 of piston rod 10, second stopper 11 can prevent that piston rod 10 from leaving

cylinder

9, 16 electrically connected with of first controller has

motor

6, 17 electrically connected with cylinder 9 of second controller, the other end fixed connection of piston rod 10 is in the right-hand member lower part of slider 5, the middle part of fixed block 3 and the middle part of slider 5 are on same central line.

The working principle is as follows: when the assembly part needs to be tested, the motor 6 can be controlled to work through the first controller 16, the motor 6 can rotate to drive the bolt to rotate by the sleeve 7, the cylinder 9 can be controlled to work through the second controller 17, the cylinder 9 can push the sliding block 5 to slide in the sliding groove 2 through the piston rod 10 in work, so that the bolt is close to the nut, the nut can be fixed through the nut hole 4, whether the fit clearance between the bolt and the nut can meet the requirement can be judged by observing whether the bolt can smoothly and spirally penetrate through the nut, the test process can be shot by the camera 14 above the first base 1, the shot content can be stored for a long time through the storage hard disk 15, and therefore, if a product quality problem occurs, the test batch can be conveniently investigated, the use is very convenient, and the assembly part is worth widely popularizing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a test fixture of work piece equipment fit clearance, includes first base (1), its characterized in that: the device comprises a first base (1), a sliding groove (2) is arranged in the middle of the top end of the first base (1), a fixed block (3) is fixedly connected to the left end of the sliding groove (2), a sliding block (5) is slidably connected to the inside of the sliding groove (2), a motor (6) is fixedly connected to the upper portion of the right end of the sliding block (5), a sleeve (7) is fixedly connected to the driving end of the motor (6), a storage hard disk (15) is fixedly connected to the middle of the rear portion of the top end of the first base (1), a second base (12) is fixedly connected to the left side of the middle of the rear portion of the top end of the first base (1), a supporting rod (13) is fixedly connected to the middle of the top end of the second base (12), a camera (14) is fixedly connected to the top end of the supporting rod (13), an air cylinder (9) is fixedly connected to the middle of the right end of the first base (1), and a piston rod (10) is slidably connected to the inside of the air cylinder (9), the front part of the top end of the first base (1) is fixedly connected with a first controller (16) on the left side of the middle part, and the front part of the top end of the first base (1) is fixedly connected with a second controller (17) on the right side of the middle part.

2. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: the four corners of the bottom end of the first base (1) are fixedly connected with supporting legs (18).

3. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: and a nut hole (4) is formed in the middle of the fixing block (3).

4. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: the two sides of the bottom end of the sliding block (5) are fixedly connected with first limiting blocks (8).

5. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: the camera (14) is electrically connected with a storage hard disk (15).

6. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: one end of the piston rod (10) is fixedly connected with a second limiting block (11).

7. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: the first controller (16) is electrically connected with a motor (6).

8. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: the second controller (17) is electrically connected with a cylinder (9).

9. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: the other end of the piston rod (10) is fixedly connected to the lower part of the right end of the sliding block (5).

10. The tool for testing the fit clearance of the workpiece assembly according to claim 1, wherein: the middle part of the fixed block (3) and the middle part of the sliding block (5) are on the same central line.