CN216308898U

CN216308898U - Testing jig for fixing cylindrical parts

Info

Publication number: CN216308898U
Application number: CN202122421035.0U
Authority: CN
Inventors: 孟泽勇
Original assignee: Shenzhen Wenshang Shenghong Hardware Processing Co ltd
Current assignee: Shenzhen Wenshang Shenghong Hardware Processing Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-04-15
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a test fixture for fixing cylindrical parts, which comprises a fixture main body, wherein a limiting groove is arranged at the middle part of the fixture main body close to the upper side, a light transmission groove is arranged under the limiting groove, movable wheels are arranged on two sides of the limiting groove, a clamping plate is arranged on the top surface of the fixture main body, a rotating knob is arranged at the middle part of the clamping plate close to the center, a limiting mechanism is arranged under the clamping plate, movable blocks are arranged on two sides of the movable wheels, a lifting block is arranged on the outer side of the movable block, a movable groove is arranged on the inner side of the lifting block, return springs are arranged on the bottom surface of the lifting block close to two sides, the limiting mechanism comprises a connecting rod, the bottom end of the connecting rod is connected with a screw rod, and a sliding block is arranged on the outer surface of the screw rod. The test fixture for fixing the cylindrical part is convenient for the cylindrical part to move and can improve the accuracy of test data.

Description

Testing jig for fixing cylindrical parts

Technical Field

The utility model relates to the field of test fixtures, in particular to a test fixture for fixing a cylindrical part.

Background

After the cylindrical part is machined, the diameter of each section of the cylindrical part needs to be measured so as to ensure that the machined part meets the quality requirement, and the scheme particularly relates to a test fixture; but current test fixture has certain weak point when using and remains to be improved, and firstly, cylindrical part is not convenient for fix, and the easy perk of the one end of cylindrical part in the measurement process influences the test result, and secondly, because the radius of every diameter section of cylindrical part is different, cylindrical part takes place offset easily at the removal in-process.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a test fixture for fixing a cylindrical part, which can effectively solve the technical problems in the background art.

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

the test fixture for fixing the cylindrical parts comprises a fixture main body, wherein a limiting groove is formed in the middle of the fixture main body by means of the upper side, a light transmission groove is formed under the limiting groove, movable wheels are arranged on two sides of the limiting groove, clamping plates are arranged on the top surface of the fixture main body, a rotating knob is arranged above the clamping plates by means of the center, a limiting mechanism is arranged under the clamping plates, movable blocks are arranged on two sides of each movable wheel, a lifting block is arranged on the outer side of each movable block, a movable groove is formed in the inner side of each lifting block, and reset springs are arranged on the bottom surface of each lifting block by means of two sides.

As a further scheme of the utility model, the limiting mechanism comprises a connecting rod, the bottom end of the connecting rod is connected with a screw rod, the outer surface of the screw rod is provided with a sliding block, two sides of the sliding block are respectively provided with a limiting rod, the bottom ends of the two limiting rods are connected with the same limiting plate, the bottom end of the screw rod is provided with a first anti-falling ring, and the outer surface of the connecting rod is provided with a second anti-falling ring close to the middle part.

As a further scheme of the utility model, the vertical cross section of the limiting groove is arranged in a V shape, the top end of the light transmission groove penetrates through the limiting groove, and the bottom end of the light transmission groove penetrates through the jig main body.

As a further scheme of the utility model, the movable block is positioned in the movable groove and movably connected with the lifting block, the lifting block is positioned on the inner wall of the jig main body and is in sliding connection with the jig main body, and two ends of the reset spring are respectively fixedly connected with the lifting block and the inner surface of the jig main body.

As a further scheme of the utility model, the rotating knob is fixedly connected with the connecting rod, the second anti-drop ring is positioned on the inner wall of the clamping plate, and the connecting rod is movably connected with the clamping plate.

As a further scheme of the utility model, the bottom ends of the two limiting rods are respectively fixedly connected with the two sides of the limiting plate, the vertical cross section of the limiting plate is arranged in a curved shape, and the limiting plate is positioned right above the limiting groove.

Compared with the prior art, the utility model has the following beneficial effects: the movable block is movably connected with the lifting block, so that the cylindrical part can be conveniently moved, meanwhile, the lifting block is positioned on the inner wall of the jig main body and is in sliding connection with the jig main body, and two ends of the reset spring are respectively fixedly connected with the lifting block and the inner surface of the jig main body, so that the movable block can be attached to different radius lengths of the cylindrical part, and the cylindrical part can be more conveniently moved;

through the stop gear who sets up, the rotation of turning round drives the rotation of connecting rod, and then drives the rotation of lead screw, drives the vertical migration of slider through the rotation of lead screw, and then makes the gag lever post drive the removal of limiting plate, makes the bottom surface of limiting plate and the outer surface contact of cylindrical part, avoids the one end of cylindrical part to take place the condition of perk through the limiting plate, has improved test data's accuracy.

Drawings

FIG. 1 is a schematic view of an overall structure of a testing fixture for fixing a cylindrical part according to the present invention;

FIG. 2 is a perspective view of a movable wheel of the testing fixture for fixing cylindrical parts according to the present invention;

fig. 3 is a schematic structural diagram of a limiting mechanism of the test fixture for fixing the cylindrical part according to the present invention.

In the figure: 1. a jig main body; 2. a limiting groove; 3. a light-transmitting groove; 4. a movable wheel; 5. a splint; 6. turning; 7. a limiting mechanism; 8. a movable block; 9. a lifting block; 10. a movable groove; 11. a return spring; 12. a connecting rod; 13. a screw rod; 14. a slider; 15. a limiting rod; 16. a limiting plate; 17. a first anti-drop ring; 18. and a second anti-drop ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, the test fixture for fixing cylindrical parts comprises a fixture main body 1, a limiting groove 2 is arranged at the middle part of the fixture main body 1 by the upper side, a light transmission groove 3 is arranged under the limiting groove 2, movable wheels 4 are arranged on two sides of the limiting groove 2, a clamp plate 5 is arranged on the top surface of the fixture main body 1, a rotating knob 6 is arranged at the center of the clamp plate 5 by the upper side, a limiting mechanism 7 is arranged under the clamp plate 5, movable blocks 8 are arranged on two sides of each movable wheel 4, a lifting block 9 is arranged on the outer side of each movable block 8, a movable groove 10 is arranged on the inner side of each lifting block 9, and a reset spring 11 is arranged on the bottom surface of each lifting block 9 by two sides.

In this embodiment, in order to carry out spacing being provided with stop gear 7 to cylindrical part, stop gear 7 includes connecting rod 12, and the bottom of connecting rod 12 is connected with lead screw 13, and the surface of lead screw 13 is provided with slider 14, and slider 14's both sides all are provided with gag lever post 15, and the bottom of two gag lever posts 15 is connected with same limiting plate 16, and the bottom of lead screw 13 is provided with anticreep ring one 17, and the surface of connecting rod 12 leans on the middle part to be provided with anticreep ring two 18.

In this embodiment, in order to realize the length measurement of different diameter sections, the perpendicular cross-section of spacing groove 2 is the V-arrangement setting, and spacing groove 2 is run through on the top of printing opacity groove 3, and tool main part 1 is run through to the bottom of printing opacity groove 3.

In addition, the movable block 8 is located inside the movable groove 10, the movable block 8 is movably connected with the lifting block 9, the lifting block 9 is located on the inner wall of the jig main body 1, the lifting block 9 is slidably connected with the jig main body 1, two ends of the return spring 11 are fixedly connected with the lifting block 9 and the inner surface of the jig main body 1 respectively, and the cylindrical part can be moved conveniently through rotation of the movable block 8.

In the embodiment, in order to realize the rotation of the screw rod 13, the knob 6 is fixedly connected with the connecting rod 12, the second anti-drop ring 18 is positioned on the inner wall of the clamping plate 5, and the connecting rod 12 is movably connected with the clamping plate 5.

In this embodiment, in order to realize the movement of the limiting plate 16, the bottom ends of the two limiting rods 15 are respectively fixedly connected with two sides of the limiting plate 16, the vertical cross section of the limiting plate 16 is arranged in a curved shape, and the limiting plate 16 is located right above the limiting groove 2.

It should be noted that, the utility model is a test fixture for fixing cylindrical parts, when in use, the fixture main body 1, the limiting groove 2, the light transmission groove 3 and the clamping plate 5 constitute a main body part of the test fixture, the cylindrical parts are placed on the limiting groove 2, the outer surface of the cylindrical parts is in contact with the movable wheel 4, the rotating knob 6 is rotated to drive the connecting rod 12 to rotate, the screw rod 13 is driven to rotate, the screw rod 13 is rotated to drive the sliding block 14 to vertically move, the limiting rod 15 is driven to move the limiting plate 16, the bottom surface of the limiting plate 16 is in contact with the outer surface of the cylindrical parts, the fixture main body is placed on a laser test bench to push the cylindrical parts to move, the laser penetrates through the light transmission groove 3 to measure and obtain the length data of the corresponding segments of the cylindrical parts, the movable block 8 is movably connected with the lifting block 9, so as to facilitate the movement of the cylindrical parts, simultaneously, the lifting block 9 is located on the inner wall of the jig main body 1, the lifting block 9 is in sliding connection with the jig main body 1, two ends of the reset spring 11 are respectively fixedly connected with the lifting block 9 and the inner surface of the jig main body 1, the movable block 8 can be attached to different radius lengths of the cylindrical part, the cylindrical part can be moved more conveniently, meanwhile, the top surface of the cylindrical part is always in contact with the bottom surface of the limiting plate 16, the situation that one end of the cylindrical part is tilted is avoided, and the accuracy of test data is improved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Fixed cylindrical part's test fixture, its characterized in that: including tool main part (1), the middle part of tool main part (1) is leaned on the upside and is provided with spacing groove (2), be provided with printing opacity groove (3) under spacing groove (2), just the both sides of spacing groove (2) all are provided with loose wheel (4), the top surface of tool main part (1) is provided with splint (5), be provided with turn round (6) by the center directly over splint (5), just be provided with stop gear (7) under splint (5), the both sides of loose wheel (4) all are provided with movable block (8), the outside of movable block (8) is provided with elevator (9), the inboard of elevator (9) is provided with movable groove (10), just the bottom surface of elevator (9) is leaned on both sides and all is provided with reset spring (11).

2. The fixture for testing fixed cylindrical parts of claim 1, wherein: stop gear (7) are connected with lead screw (13) including connecting rod (12), the bottom of connecting rod (12), and the surface of lead screw (13) is provided with slider (14), and the both sides of slider (14) all are provided with gag lever post (15), and the bottom of two gag lever posts (15) is connected with same limiting plate (16), and the bottom of lead screw (13) is provided with anticreep ring one (17), and the surface of connecting rod (12) leans on the middle part to be provided with anticreep ring two (18).

3. The fixture for testing fixed cylindrical parts of claim 1, wherein: the vertical cross section of the limiting groove (2) is in a V-shaped arrangement, the top end of the light transmission groove (3) penetrates through the limiting groove (2), and the bottom end of the light transmission groove (3) penetrates through the jig main body (1).

4. The fixture for testing fixed cylindrical parts of claim 1, wherein: the movable block (8) is located inside the movable groove (10), the movable block (8) is movably connected with the lifting block (9), the lifting block (9) is located on the inner wall of the jig main body (1), the lifting block (9) is slidably connected with the jig main body (1), and two ends of the reset spring (11) are fixedly connected with the inner surfaces of the lifting block (9) and the jig main body (1) respectively.

5. The fixture for testing fixed cylindrical parts according to claim 1 or 2, wherein: the knob (6) is fixedly connected with the connecting rod (12), the second anti-drop ring (18) is positioned on the inner wall of the splint (5), and the connecting rod (12) is movably connected with the splint (5).

6. The fixture for testing fixed cylindrical parts of claim 2, wherein: the bottom ends of the two limiting rods (15) are respectively fixedly connected with the two sides of the limiting plate (16), the vertical cross section of the limiting plate (16) is arranged in a curved shape, and the limiting plate (16) is positioned right above the limiting groove (2).