CN211278120U

CN211278120U - Test fixture convenient for replacing clamping assembly

Info

Publication number: CN211278120U
Application number: CN201922128962.6U
Authority: CN
Inventors: 郭秀香; 黄旭华
Original assignee: Shenzhen Xinhua Long Technology Co ltd
Current assignee: Shenzhen Xinhua Long Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-18
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a can be convenient for change test fixture of centre gripping subassembly, including base, mounting panel and handle, the top welded connection of base has the fixed plate, and the inside of fixed plate is provided with the lead screw to be connected with upper junction plate and lower connecting plate on the outer wall of lead screw, the limiting plate is all installed at both ends about upper junction plate and lower connecting plate, and the limiting plate is connected with the stand through the draw-in groove to the draw-in groove is seted up on the inner wall of stand, the handle is installed in the top of lead screw, and the inside of handle and fixed plate has all seted up spacing hole to the internal connection in spacing hole has the inserted bar, be provided with the backing plate on the inner wall of clamp splice. This test fixture convenient to change centre gripping subassembly is provided with the backing plate of rubber material on the inner wall of clamp splice to when the clamp splice presss from both sides the fastening to the work piece, can effectively slow down the wearing and tearing that cause the clamp splice inner wall, improve the life of clamp splice, and then improved this test fixture's practicality.

Description

Test fixture convenient for replacing clamping assembly

Technical Field

The utility model relates to a test fixture technical field specifically is a can be convenient for change test fixture of centre gripping subassembly.

Background

The test fixture is used for clamping and fixing a workpiece to be tested, so that the stability of the tested workpiece is ensured, the test fixture is widely applied to the field of industrial processing, and the types of fixtures used for different workpiece types are different.

However, the existing test fixture still has some disadvantages in the using process, for example, the fixture is not convenient to detach and replace, especially when damaged, the traditional fixture is integrally fixed, and once damaged, the fixture needs to be integrally replaced, so that the maintenance cost is increased, and when the fixture is used for clamping a workpiece, the inner wall of the fixture is easy to wear after long-time use, so that the service life of the fixture is influenced, and therefore, the practicability of the fixture is reduced, and therefore, the test fixture capable of conveniently replacing the clamping assembly is provided, so that the problems provided in the above are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be convenient for change test fixture of centre gripping subassembly to solve the anchor clamps subassembly on the existing market that the above-mentioned background art provided and be not convenient for dismantle the change, especially when damaging, traditional anchor clamps all are monolithic stationary, in case damage needs whole change, cost of maintenance has been increased, and anchor clamps are when pressing from both sides the work piece tightly in addition, and the inner wall that uses easily to make anchor clamps for a long time causes wearing and tearing, has influenced the life of anchor clamps, thereby has reduced the problem of the practicality of anchor clamps.

In order to achieve the above object, the utility model provides a following technical scheme: a test fixture convenient for replacing a clamping component comprises a base, a mounting plate and a handle, wherein a fixing plate is welded above the base, a lead screw is arranged in the fixing plate, an upper connecting plate and a lower connecting plate are connected to the outer wall of the lead screw, limiting plates are arranged at the left end and the right end of the upper connecting plate and the lower connecting plate respectively, the limiting plates are connected with a stand column through clamping grooves, the clamping grooves are formed in the inner wall of the stand column, the mounting plate is welded to the front side of the upper connecting plate, clamping blocks are arranged on the outer wall of the mounting plate and connected with clamping blocks through grooves, the grooves are formed in the clamping blocks, through grooves are formed in the clamping blocks and the mounting plate respectively, locking rods are connected to the inside of the through grooves, the handle is arranged at the top of the lead screw, limiting holes are formed in the handle and the fixing plate respectively, and inserting, and a backing plate is arranged on the inner wall of the clamping block.

Preferably, the connection mode of the screw rod and the upper connecting plate and the connection mode of the screw rod and the lower connecting plate are both threaded connection, the screw rod and the fixing plate are connected through a bearing, and the thread turning directions of the upper end and the lower end of the screw rod are opposite.

Preferably, the limiting plate and the upper connecting plate are of an integrated structure, the limiting plate and the upright post form a telescopic structure through a clamping groove, and the upper connecting plate and the lower connecting plate are identical in structure.

Preferably, the fixture block and the mounting plate are of an integrated structure, and the fixture block and the clamping block form a dismounting structure through the groove.

Preferably, the connecting mode of clamp splice and backing plate is for bonding, and the backing plate is the rubber material, and the clamp splice is "L" shape.

Preferably, the limiting holes are distributed in the handle at equal angles, and the limiting holes in the handle and the fixing plate are in threaded connection with the inserted rod.

Compared with the prior art, the beneficial effects of the utility model are that: the test fixture is convenient for replacing the clamping component,

(1) the clamping block is arranged on the outer wall of the mounting plate, the clamping block and the clamping block form a dismounting structure through the groove, through grooves are formed in the mounting plate, the clamping block and the clamping block, and the through grooves are in threaded connection with the locking rod, so that when the clamping block is damaged, the clamping block is convenient to dismount and replace, the maintenance cost is reduced, and convenience is brought to operation of workers;

(2) the inner wall of the clamping block is provided with the backing plate made of rubber, so that when the clamping block is used for clamping a workpiece, the abrasion on the inner wall of the clamping block can be effectively reduced, the service life of the clamping block is prolonged, and the practicability of the test fixture is improved;

(3) the screw rod is in threaded connection with the upper connecting plate and the lower connecting plate, and the thread turning directions of the upper end and the lower end of the screw rod are opposite, so that the upper connecting plate and the lower connecting plate can be driven to move simultaneously when the screw rod rotates, and the normal operation of the clamping block on the workpiece fixing work is ensured.

Drawings

FIG. 1 is a schematic view of the overall main sectional structure of the present invention;

FIG. 2 is a schematic view of the connection overlooking structure of the upper connection plate and the limiting plate of the present invention;

FIG. 3 is a schematic view of the left side cut-away structure of the upper connecting plate and the mounting plate of the present invention;

FIG. 4 is a schematic view of the connecting front section structure of the mounting plate and the clamping block of the present invention;

fig. 5 is the utility model discloses the handle and spacing jogged joint dive the structure sketch map.

In the figure: 1. a base; 2. a fixing plate; 3. a screw rod; 4. an upper connecting plate; 5. a lower connecting plate; 6. a limiting plate; 7. a card slot; 8. a column; 9. mounting a plate; 10. a clamping block; 11. a groove; 12. a clamping block; 13. A through groove; 14. a locking lever; 15. a handle; 16. a limiting hole; 17. inserting a rod; 18. a backing plate.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a test fixture convenient for replacing a clamping component comprises a base 1, a fixing plate 2, a screw rod 3, an upper connecting plate 4, a lower connecting plate 5, a limiting plate 6, a clamping groove 7, an upright post 8, a mounting plate 9, a clamping block 10, a groove 11, a clamping block 12, a through groove 13, a locking rod 14, a handle 15, a limiting hole 16, an inserting rod 17 and a backing plate 18, wherein the fixing plate 2 is welded above the base 1, the screw rod 3 is arranged inside the fixing plate 2, the upper connecting plate 4 and the lower connecting plate 5 are connected onto the outer wall of the screw rod 3, the limiting plates 6 are respectively arranged at the left end and the right end of the upper connecting plate 4 and the lower connecting plate 5, the limiting plates 6 are connected with the upright post 8 through the clamping groove 7, the clamping groove 7 is arranged on the inner wall of the upright post 8, the mounting plate 9 is welded on the front side of the upper connecting plate 4, the clamping block, the groove 11 is formed in the clamping block 12, through grooves 13 are formed in the clamping block 12 and the mounting plate 9, locking rods 14 are connected to the inside of the through grooves 13, the handle 15 is mounted at the top of the screw rod 3, limiting holes 16 are formed in the handle 15 and the fixing plate 2, an inserting rod 17 is connected to the inside of the limiting holes 16, and a backing plate 18 is arranged on the inner wall of the clamping block 12;

the connection modes of the screw rod 3, the upper connecting plate 4 and the lower connecting plate 5 are threaded connection, the screw rod 3 is connected with the fixing plate 2 through a bearing, and the thread turning directions of the upper end and the lower end of the screw rod 3 are opposite, so that the upper connecting plate 4 and the lower connecting plate 5 can be driven to move simultaneously when the screw rod 3 rotates, and the normal operation of clamping a workpiece is ensured;

the limiting plate 6 and the upper connecting plate 4 are of an integrated structure, the limiting plate 6 and the upright post 8 form a telescopic structure through the clamping groove 7, the upper connecting plate 4 and the lower connecting plate 5 are of the same structure, the upper connecting plate 4 and the lower connecting plate 5 can move more stably through sliding of the limiting plate 6, and the clamping block 12 can further move stably;

the fixture block 10 and the mounting plate 9 are of an integrated structure, and the fixture block 10 and the clamping block 12 form a dismounting structure through the groove 11, so that the mounting plate 9 and the clamping block 12 can be conveniently dismounted and replaced, the maintenance cost is reduced, and convenience is brought to the operation of workers;

the connecting mode of the clamping block 12 and the backing plate 18 is bonding, the backing plate 18 is made of rubber, and the clamping block 12 is in an L shape, so that when the clamping block 12 clamps a workpiece, the abrasion of the inner wall of the clamping block 12 can be effectively reduced, and the workpiece is protected;

spacing hole 16 is in the inside equal angular distribution of handle 15, and handle 15 and the inside spacing hole 16 of fixed plate 2 and inserted bar 17 be threaded connection, are convenient for carry on spacing fixedly to handle 15, and then effectively prevent that self-rotation phenomenon from appearing in handle 15, further guarantee the normal clear of work piece test work.

The working principle is as follows: when the test fixture convenient for replacing the clamping assembly is used, as shown in figures 1-2 and 5, firstly, a worker places the base 1 at a corresponding position, then places a workpiece to be tested on the clamping block 12 at the front side of the lower connecting plate 5, the clamping block 12 is in an L shape, so that the bottom of the workpiece can be clamped, then the worker rotates the inserted rod 17 out of the limiting hole 16 in the handle 15, then screws the handle 15 clockwise, so that the handle 15 drives the screw rod 3 to rotate clockwise, the screw threads at the upper end and the lower end of the screw rod 3 are opposite in rotating direction, and the screw rod 3 is in threaded connection with the upper connecting plate 4 and the lower connecting plate 5, so that when the screw rod 3 rotates clockwise, the upper connecting plate 4 and the lower connecting plate 5 can be driven to move towards the direction of the transverse central line of the fixing plate 2 at the same time, so that the upper part of the workpiece is gradually close to the upper connecting plate 4, until the clamping block 12 at the front side of the upper connecting plate 4 clamps the workpiece, as shown in fig. 3, when the upper connecting plate 4 and the lower connecting plate 5 move, the limiting plate 6 can slide along the clamping groove 7, so that the upper connecting plate 4 and the lower connecting plate 5 move more stably, then a worker stops screwing the handle 15, rotates the inserting rod 17 into the limiting hole 16 in the handle 15 again, limits and fixes the handle 15, and due to the fact that the backing plate 18 made of rubber is arranged on the inner wall of the clamping block 12, when the workpiece is clamped, abrasion on the inner wall of the clamping block 12 can be reduced, the workpiece is protected, and the practicability of the clamp is improved;

if the clamping block 12 is damaged, as shown in fig. 4, a worker can firstly rotate the locking rod 14 out of the through groove 13 in the mounting plate 9, the clamping block 10 and the clamping block 12, and then pull the clamping block 12 outwards, and as the clamping block 12 is clamped with the clamping block 10 on the mounting plate 9 through the groove 11, the groove 11 and the clamping block 10 can be gradually separated along with the pulling of the clamping block 12, so that the clamping block 12 can be detached, and then the worker can replace the clamping block 12 with a new clamping block 12.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can be convenient for change test fixture of centre gripping subassembly, includes base (1), mounting panel (9) and handle (15), its characterized in that: the upper portion of the base (1) is connected with a fixing plate (2) in a welded mode, a screw rod (3) is arranged inside the fixing plate (2), an upper connecting plate (4) and a lower connecting plate (5) are connected onto the outer wall of the screw rod (3), limiting plates (6) are installed at the left end and the right end of the upper connecting plate (4) and the lower connecting plate (5), the limiting plates (6) are connected with the stand column (8) through clamping grooves (7), the clamping grooves (7) are formed in the inner wall of the stand column (8), the mounting plate (9) is connected to the front side of the upper connecting plate (4) in a welded mode, clamping blocks (10) are arranged on the outer wall of the mounting plate (9), the clamping blocks (10) are connected with the clamping blocks (12) through grooves (11), the grooves (11) are formed in the clamping blocks (12), and through grooves (13) are formed in the clamping blocks (12) and the, and the internally connected of logical groove (13) has check lock (14), install in the top of lead screw (3) handle (15), and the inside of handle (15) and fixed plate (2) has all seted up spacing hole (16) to the internally connected of spacing hole (16) has inserted bar (17), be provided with backing plate (18) on the inner wall of clamp splice (12).

2. A test fixture for facilitating replacement of a clamping assembly as recited in claim 1, wherein: the screw rod (3) is in threaded connection with the upper connecting plate (4) and the lower connecting plate (5), the screw rod (3) is in bearing connection with the fixing plate (2), and the thread turning directions of the upper end and the lower end of the screw rod (3) are opposite.

3. A test fixture for facilitating replacement of a clamping assembly as recited in claim 1, wherein: limiting plate (6) and upper junction plate (4) formula structure as an organic whole, and limiting plate (6) pass through draw-in groove (7) and constitute extending structure with stand (8) to the structure of upper junction plate (4) is the same with lower connecting plate (5).

4. A test fixture for facilitating replacement of a clamping assembly as recited in claim 1, wherein: the fixture block (10) and the mounting plate (9) are of an integrated structure, and the fixture block (10) and the clamping block (12) form a dismounting structure through the groove (11).

5. A test fixture for facilitating replacement of a clamping assembly as recited in claim 1, wherein: the clamping blocks (12) and the backing plate (18) are connected in an adhesion mode, the backing plate (18) is made of rubber, and the clamping blocks (12) are L-shaped.

6. A test fixture for facilitating replacement of a clamping assembly as recited in claim 1, wherein: the limiting holes (16) are distributed in the handle (15) at equal angles, and the limiting holes (16) in the handle (15) and the fixing plate (2) are in threaded connection with the inserted rod (17).