CN216913759U

CN216913759U - Working clamp for vibration and noise reduction material testing

Info

Publication number: CN216913759U
Application number: CN202220490400.5U
Authority: CN
Inventors: 李葆春; 祖毅; 李教; 李云飞
Original assignee: Xi'an Zhiyuan Daotong Electronic Technology Co ltd
Current assignee: Xi'an Zhiyuan Daotong Electronic Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-08
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a working clamp for testing vibration-damping and noise-reducing materials, which comprises a base, wherein a sliding groove is formed in the inner side wall of the base, a clamping device is arranged on the inner side wall of the sliding groove, a rotating gear is movably arranged at the bottom in the sliding groove, a rotating shaft is fixedly arranged at the top of the rotating gear, the rotating shaft penetrates through the top of the base, and a rotating plate is fixedly arranged at the top of the rotating shaft. The clamping deviation is not easy to occur in the detection process, and the clamping stability is effectively improved.

Description

Working clamp for vibration and noise reduction material testing

Technical Field

The utility model relates to the technical field of working clamps, in particular to a working clamp for a vibration and noise reduction material test.

Background

The jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and in a broad sense, a device for quickly, conveniently and safely mounting a workpiece in any process is called a jig. The fixture is generally composed of a positioning element for determining the correct position of a workpiece in the fixture, a clamping device, a tool guide element for determining the relative position of a tool and the workpiece or guiding the direction of the tool, an indexing device for machining the workpiece at a plurality of stations in one-time installation, a rotary indexing device and a linear movement indexing device, a connecting element, a fixture base of the fixture body and the like.

When the vibration and noise reduction material is tested, the material needs to be fixed, the traditional clamping mode is adopted, the stability of detection is poor, external force is applied to the material in the detection process, the material is easy to displace, the clamping effect is weakened, the detection result is difficult to judge, and the working clamp is not convenient for workers to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a working clamp for a vibration and noise reduction material test.

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

the utility model provides a working fixture for vibration/noise reduction material testing, includes the base, the sliding tray has been seted up on the inside wall of base, be provided with clamping device on the inside wall of sliding tray, the interior bottom activity of sliding tray is provided with rotating gear, rotating gear's the fixed pivot that is provided with in top, the pivot runs through the top of base, the fixed rotor plate that is provided with in top of pivot, be provided with stop device on the rotor plate.

Preferably, clamping device is including seting up the slide rail of bottom in the sliding tray, the activity is provided with the movable plate on the slide rail, the fixed drive rack that is provided with on the inside wall of movable plate, the fixed connecting block that is provided with in top of movable plate, the spread groove has been seted up at the top of sliding tray, the connecting block passes the inside of spread groove, the fixed grip block that is provided with in top of connecting block, be provided with the centre gripping subassembly on the grip block.

Preferably, stop device is including seting up lift groove on the rotor plate inside wall, the activity is provided with the lifter on the inside wall in lift groove, the fixed lifter that is provided with on the lateral wall of lifter, the lifter is located the inside in lift groove, the lifter is located the cover is equipped with the spring on one section lateral wall of lift inslot portion, the top of spring with the interior top in lift groove offsets tightly, the bottom of spring with the top of lifter offsets tightly.

Preferably, the clamping component comprises a placing plate fixedly arranged on the side wall of the clamping plate, an air cylinder is arranged on the inner side wall of the clamping plate, a tightening rod is arranged on the air cylinder, and the tightening rod extends to the outside of the clamping plate.

Preferably, the teeth on the side wall of the driving rack are meshed with the teeth on the outer side wall of the rotating gear.

Preferably, a plurality of limiting grooves are formed in the top of the base, the inner diameter of each limiting groove is larger than the outer diameter of the lifting rod, and the limiting grooves are matched with the lifting rods.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the clamping device and the clamping method, due to the arrangement of the clamping device and the arrangement of the rotating gear, when the rotating gear rotates, the movable plates on two sides move in the same direction through the arrangement of the driving rack, so that the clamping plate moves towards the middle part, the bottom of a test material is supported through the placing plate, and meanwhile, through the arrangement of the air cylinder and the abutting rod, the abutting rod stably clamps the test material in a highly-fitted mode, the clamping contact area is increased, the clamping deviation is not prone to occurring in the detection process, and the clamping stability is effectively improved.

2. According to the clamping device, the lifting rod is pulled through the limiting device and the limiting groove, the clamping action is limited, fixed and moved, the clamping device is effectively prevented from loosening due to external force in the using process, the clamping effect is prevented from being influenced, the clamping detection stability is further improved, and meanwhile, the clamping device is simple and rapid to use and convenient for workers to use.

Drawings

FIG. 1 is a schematic structural view of a working fixture for vibration and noise reduction material testing according to the present invention;

FIG. 2 is a sectional view of a working fixture for vibration damping and noise reducing material testing according to the present invention;

FIG. 3 is a sectional view of a working fixture for vibration damping and noise reducing material testing according to the present invention;

fig. 4 is an enlarged structural view of a working fixture a for a vibration/noise reduction material test according to the present invention.

In the figure: 1. a base; 2. a sliding groove; 3. a slide rail; 4. moving the plate; 5. driving the rack; 6. connecting blocks; 7. a rotating gear; 8. a rotating shaft; 9. a rotating plate; 10. a lifting groove; 11. a lifting plate; 12. a lifting rod; 13. a spring; 14. a limiting groove; 15. a clamping plate; 16. placing a plate; 17. a cylinder; 18. a tightening rod; 19. and connecting the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a working fixture for vibration damping and noise reduction material testing comprises a base 1, a sliding groove 2 is formed on the inner side wall of the base 1, a clamping device is arranged on the inner side wall of the sliding groove 2, the clamping device comprises a sliding rail 3 arranged at the bottom in the sliding groove 2, a moving plate 4 is movably arranged on the sliding rail 3, a driving rack 5 is fixedly arranged on the inner side wall of the moving plate 4, a connecting block 6 is fixedly arranged at the top of the moving plate 4, a connecting groove 19 is formed at the top of the sliding groove 2, the connecting block 6 passes through the inside of the connecting groove 19, a clamping plate 15 is fixedly arranged at the top of the connecting block 6, a clamping assembly is arranged on the clamping plate 15, the clamping assembly comprises a placing plate 16 fixedly arranged on the side wall of the clamping plate 15, an air cylinder 17 is arranged on the inner side wall of the clamping plate 15, a tightening rod 18 is arranged on the air cylinder 17, and the tightening rod 18 extends to the outside of the clamping plate 15, a rotating gear 7 is movably arranged at the inner bottom of the sliding groove 2, and teeth on the side wall of the driving rack 5 are meshed with teeth on the outer side wall of the rotating gear 7;

through the arrangement of the clamping device and the arrangement of the rotating gear 7, when the rotating gear 7 rotates, the movable plates 4 on two sides move in the same direction through the arrangement of the driving rack 5, so that the clamping plate 15 moves towards the middle part, the bottom of a test material is supported through the placing plate 16, and meanwhile, through the arrangement of the air cylinder 17 and the abutting rod 18, the abutting rod 18 stably clamps the test material in a highly-fitted manner, the clamping contact area is increased, the clamping deviation is not easy to occur in the detection process, and the clamping stability is effectively improved;

a rotating shaft 8 is fixedly arranged at the top of the rotating gear 7, the rotating shaft 8 penetrates through the top of the base 1, a rotating plate 9 is fixedly arranged at the top of the rotating shaft 8, a limiting device is arranged on the rotating plate 9 and comprises a lifting groove 10 formed in the inner side wall of the rotating plate 9, a lifting rod 12 is movably arranged on the inner side wall of the lifting groove 10, a lifting plate 11 is fixedly arranged on the outer side wall of the lifting rod 12, the lifting plate 11 is positioned inside the lifting groove 10, a spring 13 is sleeved on one section of outer side wall of the lifting rod 12 positioned inside the lifting groove 10, the top of the spring 13 is tightly abutted with the inner top of the lifting groove 10, the bottom of the spring 13 is tightly abutted with the top of the lifting plate 11, a plurality of limiting grooves 14 are formed in the top of the base 1, the inner diameter of each limiting groove 14 is larger than the outer diameter of the lifting rod 12, and the limiting grooves 14 are matched with the lifting rod 12;

through stop device and spacing groove 14's setting, realize pulling lifter 12, realize fixed and removal to the spacing of holding the action, effectively avoided external force in the use to lead to centre gripping equipment lax, influence the centre gripping effect, further promotion the stability that the centre gripping detected, simple to use is swift simultaneously, and the staff of being convenient for uses.

When the device is used, the lifting rod 12 is pulled upwards, the lifting plate 11 extrudes the spring 13, the lifting rod 12 ascends, the lifting rod 12 moves out of the limiting groove 14, the rotating plate 9 can be rotated at the moment, the rotating shaft 8 rotates, the rotating gear 7 rotates when the rotating shaft 8 rotates, and the moving plates 4 on two sides move in the same direction by driving the rack 5 when the rotating gear 7 rotates, so that the connecting block 6 drives the clamping plate 15 to move inwards;

when the distance between the board 16 is placed to both sides is less than the size of test material, place the test material on placing board 16, continuously rotate rotor plate 9 for grip block 15 continues to move to the inboard, and then makes and support tight pole 18 and press from both sides tightly the test material to inside compression cylinder 17, loosens lifter 12 this moment, and lifter 11 will drive lifter 12 decline under the spring action of spring 13, makes lifter 12 bottom get into the inside of spacing groove 14, fixes.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a working fixture for vibration/noise reduction material testing, includes base (1), its characterized in that, sliding tray (2) have been seted up on the inside wall of base (1), be provided with clamping device on the inside wall of sliding tray (2), the interior bottom activity of sliding tray (2) is provided with rotating gear (7), the fixed pivot (8) that is provided with in top of rotating gear (7), pivot (8) run through the top of base (1), the fixed rotor plate (9) that is provided with in top of pivot (8), be provided with stop device on rotor plate (9).

2. The working fixture for the vibration and noise reduction material test as recited in claim 1, wherein the clamping device comprises a slide rail (3) which is arranged at the bottom in the slide groove (2), a moving plate (4) is movably arranged on the slide rail (3), a driving rack (5) is fixedly arranged on the inner side wall of the moving plate (4), a connecting block (6) is fixedly arranged at the top of the moving plate (4), a connecting groove (19) is formed at the top of the slide groove (2), the connecting block (6) penetrates through the inside of the connecting groove (19), a clamping plate (15) is fixedly arranged at the top of the connecting block (6), and a clamping assembly is arranged on the clamping plate (15).

3. The work fixture for the vibration and noise reduction material test as recited in claim 1, wherein the limiting device comprises a lifting groove (10) formed in an inner side wall of the rotating plate (9), a lifting rod (12) is movably arranged on the inner side wall of the lifting groove (10), a lifting plate (11) is fixedly arranged on an outer side wall of the lifting rod (12), the lifting plate (11) is located inside the lifting groove (10), a spring (13) is sleeved on a section of outer side wall of the lifting rod (12) located inside the lifting groove (10), the top of the spring (13) abuts against the inner top of the lifting groove (10), and the bottom of the spring (13) abuts against the top of the lifting plate (11).

4. The working fixture for the vibration and noise reduction material test according to claim 2, wherein the clamping assembly comprises a placing plate (16) fixedly arranged on a side wall of the clamping plate (15), an air cylinder (17) is arranged on an inner side wall of the clamping plate (15), an abutting rod (18) is arranged on the air cylinder (17), and the abutting rod (18) extends to the outside of the clamping plate (15).

5. The working fixture for the vibration and noise reduction material test as claimed in claim 2, wherein the teeth on the side wall of the driving rack (5) are engaged with the teeth on the outer side wall of the rotating gear (7).

6. The working clamp for the vibration and noise reduction material test according to claim 3, wherein a plurality of limiting grooves (14) are formed in the top of the base (1), the inner diameter of each limiting groove (14) is larger than the outer diameter of the lifting rod (12), and the limiting grooves (14) are matched with the lifting rod (12).