CN210550709U

CN210550709U - Three-point centering positioning and clamping device

Info

Publication number: CN210550709U
Application number: CN201921453105.7U
Authority: CN
Inventors: 严宝春; 高宇
Original assignee: Changchun Jiansheng Technology Co Ltd
Current assignee: Changchun Jiansheng Technology Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-19
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to a three point centering's location clamping device, including the main part board, the centre of main part board is equipped with the supporting shoe, and the lower part of supporting shoe is equipped with adjusting screw, the even grudging post that is equipped with the trisection on the main part board, is equipped with even axostylus axostyle on the grudging post, is equipped with the pinch roller on even the axostylus axostyle, and the pinch roller upper end is equipped with concave claw, and the outside of pinch roller is equipped with rolls over the arm, rolls over and is equipped with the extension spring between arm and grudging post, rolls over the arm below and is equipped. The utility model discloses a three evenly distributed's tight pulley of clamp carries out the centre gripping to the bumper shock absorber piston rod, drives through the screw thread top cover and rolls over the tight pulley of three evenly distributed and press from both sides tightly or open, can carry out the centre gripping to the bumper shock absorber piston rod of the different diameter specifications in the certain limit, and centering ability is good, and the clamping stability is good, and convenient operation is swift, and the supporting shoe can be adjusted the height of the bumper shock absorber piston rod of different length simultaneously, and the commonality is strong, simple structure, and the cost is low.

Description

Three-point centering positioning and clamping device

Technical Field

The utility model belongs to the technical field of automotive machinery's auxiliary fixture, in particular to positioning and clamping device of three point centering.

Background

Nowadays, in the process of screwing the nut on the piston rod of the shock absorber, the piston rod of the shock absorber is clamped and positioned by a cylinder driving tool after manual loading. In actual production application, the supporting clamping tool needs to be replaced for products with different diameters to clamp and position the piston rod of the shock absorber, the clamping tool is very troublesome, the universality of the clamping tool is poor, the manufacturing cost of a plurality of clamping tools is too high, time and labor are wasted in the process of replacing the clamping tool, the clamping mode is complex, the assembly efficiency is reduced, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The invention provides a three-point centering positioning and clamping device, which aims to solve the technical problems of poor universality and inconvenience in use of the clamp for clamping the piston rod of a shock absorber.

The utility model provides a technical scheme that above-mentioned technical problem took is: the utility model provides a three point centering's location clamping device, its structural feature lies in, including the main part board, the centre of main part board is equipped with the supporting shoe, and the lower part of supporting shoe is equipped with adjusting screw, the even grudging post that is equipped with the trisection on the main part board, is equipped with even axostylus axostyle on the grudging post, is equipped with the pinch roller on the even axostylus axostyle, and the pinch roller upper end is equipped with the concave claw, and the outside of pinch roller is equipped with rolls over the arm, rolls over and is equipped with the extension spring between arm and grudging post, rolls over the.

Furthermore, the adjusting screw is in threaded connection with the main body plate and the supporting block respectively.

Furthermore, the outer ring of the supporting block is in a concave-convex shape.

Further, the clamping wheel is cam-shaped.

Furthermore, the quantity of the vertical frame, the connecting shaft rod and the clamping wheels is the same and 3.

Furthermore, the folding arm is tightly attached to the upper end of the spiral top seat through pulling of the tension spring and moves synchronously along with the movement of the spiral top seat.

Further, the spiral footstock comprises a threaded seat, a threaded jacking sleeve, a thrust bearing and a transition sleeve, the threaded seat is connected with the main body plate in a welding mode, the threaded seat is in transmission connection with the threaded jacking sleeve in a threaded fit mode, the threaded jacking sleeve is connected with the transition sleeve through the thrust bearing, and the upper end of the transition sleeve is tightly attached to the folding arm.

Furthermore, a plurality of wrench rods are uniformly arranged on the outer cylindrical surface of the threaded top sleeve.

The utility model has the advantages that: the utility model adopts three evenly distributed clamping wheels to clamp the piston rod of the shock absorber, and the screw thread top sleeve drives the folding arm to clamp or open the three evenly distributed clamping wheels, thereby having good centering capability, good clamping stability and convenient and fast operation, and being capable of clamping the piston rods of the shock absorbers with different diameters in a certain range; in addition, the height of the supporting block can be manually adjusted up and down, so that the height of the piston rod of the shock absorber with different lengths in a certain range can be adjusted, the universality is good, the structure is simple, and the manufacturing cost is low.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a partially enlarged structural diagram at B of the present invention;

fig. 3 is a schematic top view of the present invention;

in the figure: the device comprises a main body plate 1, a support block 2, an adjusting screw rod 21, a vertical frame 3, a connecting shaft rod 4, a clamping wheel 5, a concave claw 51, a folding arm 52, a tension spring 53, a spiral top seat 6, a thread seat 61, a thread top sleeve 62, a wrench rod 621, a thrust bearing 63 and a transition sleeve 64.

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. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

As an example, as shown in fig. 1, 2 and 3, a three-point centering tacking jaw, the structure is characterized by comprising a main body plate 1, a supporting block 2 can be arranged in the middle of the main body plate 1, an adjusting screw 21 can be arranged at the lower part of the supporting block 2, the adjusting screw 21 is vertically arranged in the middle of the main body plate 1 and is in threaded connection with the main body plate 1, the supporting block 2 is in threaded connection with the upper end of the adjusting screw 21, in the embodiment of the utility model, the damper piston rod can be vertically placed on the upper end of the supporting block 2, the supporting block 2 is used for supporting the damper piston rod, the up-and-down movement of the supporting block 2 on the adjusting screw 21 can make the damper piston rod move synchronously, the damper piston rods with different lengths can be supported, the outer ring of the supporting block 2 can be concave-convex, and the supporting block 2 can be conveniently held and rotated by an operator; trisected vertical frames 3 can be uniformly arranged on the main body plate 1, the bottoms of the three vertical frames 3 are welded with the main body plate 1, each vertical frame 3 can be provided with a connecting shaft rod 4, each connecting shaft rod 4 can be provided with a clamping wheel 5, each clamping wheel 5 can rotate around the connecting shaft rod 4, and the vertical frames 3, the connecting shaft rods 4 and the clamping wheels 5 can be 3 in number and are matched; the clamping wheel 5 can be in a cam shape, the cam-shaped upper end of the clamping wheel 5 can be provided with the concave claw 51, the concave claw 51 can be in tight contact with the piston rod of the shock absorber, and the clamping surface of the concave claw 51 can be in a convex tooth shape, so that the concave claw 51 can be in tight contact with the axial surface of the piston rod of the shock absorber and can be clamped effectively; the outer side of the clamping wheel 5 can be provided with a folding arm 52, the folding arm 52 and the clamping wheel 5 are integrally manufactured or welded, a tension spring 53 can be arranged between the folding arm 52 and the vertical frame 3, the tension spring 53 pulls the folding arm 52 downwards and enables the concave claw 51 to be lifted upwards, a spiral top seat 6 can be arranged below the folding arm 52, the tension spring 53 can enable the folding arm 52 to be always attached to the upper edge of the spiral top seat 6, and the spiral top seat 6 can jack or lower the folding arm 52 to enable the clamping wheel 5 to rotate around the connecting shaft rod 4; the spiral top seat 6 can comprise a threaded seat 61, a threaded top sleeve 62, a thrust bearing 63 and a transition sleeve 64, the threaded seat 61 is connected with the main body plate 1 in a welding manner, a seam between the vertical frame 3 and the threaded seat 61 can be connected in a welding manner, the threaded seat 61 is in threaded fit transmission connection with the threaded top sleeve 62, the threaded top sleeve 62 is connected with the transition sleeve 64 through the thrust bearing 63, the upper end of the transition sleeve 64 is tightly attached to the folding arm 52, and the folding arm 52 is tightly attached to the arc-shaped upper edge of the transition sleeve 64 through the tension spring 53; the outer cylindrical surface of the threaded top sleeve 62 can be uniformly provided with a plurality of wrench rods 621, and the wrench rods 621 can be connected with the threaded top sleeve 62 by threads or welding.

In the embodiment of the present invention, the piston rod of the shock absorber is placed on the supporting block 2, and then the wrench rod 621 is moved to lift the threaded top sleeve 62 upward, so that the thrust bearing 63 can remove the rotating force when the threaded top sleeve 62 rotates, and the transition sleeve 64 does not rotate along with the threaded top sleeve 62, thereby ensuring that the transition sleeve 64 can effectively contact with the folding arm 52 and lift the folding arm 52; trisection folding arms 52 uniformly distributed on the transition sleeve 64 drive the corresponding clamping wheels 5 to rotate around the connecting shaft rod 4, so that concave claws 51 of the cam-shaped clamping wheels 5 are synchronously clamped inwards, and the three uniformly distributed clamping wheels 5 effectively clamp the piston rod of the shock absorber; the threaded top sleeve 62 is rotated reversely to move downwards, the tension spring 53 enables the folding arm 52 to be tightly attached to the transition sleeve 64 to enable the clamping wheel 5 to rotate reversely, the damper piston rod is released, the damper piston rod can be removed, batch damper piston rods of the same type can be placed, if damper piston rods with different diameters and different axial lengths need to be placed, the position of the supporting block 2 and the position of the threaded top sleeve 62 can be adjusted, the operation is convenient and rapid, the universality is good, the folding arm 52 is driven by the threaded top sleeve 62 to enable three clamping wheels 5 which are uniformly distributed to clamp or open, the centering capacity is good, the clamping stability is good, the damper piston rods with different diameters and specifications in a certain range can be clamped, the height of the supporting block 2 can be manually adjusted up and down, and the height of the damper piston rods with different lengths in a certain range can be adjusted, the universality is good, the structure is simple, and the cost is low.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.

Claims

1. The utility model provides a three point centering's clamping device which characterized in that: the folding arm device comprises a main body plate, wherein a supporting block is arranged in the middle of the main body plate, an adjusting screw rod is arranged at the lower part of the supporting block, a trisection vertical frame is uniformly arranged on the main body plate, a connecting shaft rod is arranged on the vertical frame, a clamping wheel is arranged on the connecting shaft rod, a concave claw is arranged at the upper end of the clamping wheel, a folding arm is arranged on the outer side of the clamping wheel, a tension spring is arranged between the folding arm and the vertical frame, a spiral ejecting seat is arranged below the folding arm, and the spiral ejecting seat ejects the folding arm to enable.

2. A three-point centering, setting and clamping device as claimed in claim 1, wherein: the adjusting screw is in threaded connection with the main body plate and the supporting block respectively.

3. A three-point centering, setting and clamping device as claimed in claim 1, wherein: the outer ring of the supporting block is in a concave-convex shape.

4. A three-point centering, setting and clamping device as claimed in claim 1, wherein: the clamping wheel is cam-shaped.

5. A three-point centering, setting and clamping device as claimed in claim 1, wherein: the quantity of the vertical frame, the connecting shaft rod and the clamping wheels is the same and 3.

6. A three-point centering, setting and clamping device as claimed in claim 1, wherein: the folding arm is tightly attached to the upper end of the spiral top seat through pulling of the tension spring and moves synchronously along with the movement of the spiral top seat.

7. A three-point centering, setting and clamping device as claimed in claim 1, wherein: the spiral footstock comprises a threaded seat, a threaded footstock, a thrust bearing and a transition sleeve, the threaded seat is in welded connection with the main body plate, the threaded seat is in threaded fit transmission connection with the threaded footstock, the threaded footstock is connected with the transition sleeve through the thrust bearing, and the upper end of the transition sleeve is tightly attached to the folding arm.

8. A three-point centering, setting and clamping device as claimed in claim 7, wherein: and a plurality of wrench rods are uniformly arranged on the outer cylindrical surface of the threaded top sleeve.