CN112975798A

CN112975798A - Clamping mechanism capable of being repeatedly positioned

Info

Publication number: CN112975798A
Application number: CN202110260941.9A
Authority: CN
Inventors: 王明岩; 吕欢庆; 马俊惠
Original assignee: MMI Planning and Engineering Institute IX Co Ltd
Current assignee: MMI Planning and Engineering Institute IX Co Ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-06-18
Anticipated expiration: 2041-03-10
Also published as: CN112975798B

Abstract

The invention discloses a clamping mechanism capable of being repeatedly positioned, which comprises a bottom plate and an adjusting plate, wherein a support is arranged at the upper end of the bottom plate, a press hook is elastically hinged at the upper end of the support, baffle plates are symmetrically arranged at two ends of the middle part of the press hook, a support block is arranged at the upper end of the press hook and between the baffle plates, the adjusting plate is arranged above the bottom plate, a vertical plate is arranged at the upper end of the adjusting plate, a side plate is symmetrically arranged at one end of the vertical plate, an upper V-shaped block and a lower V-shaped block are respectively arranged at the upper side and the lower side of the other end of the vertical plate, after assembly is completed, a spring leg is detached, the press hook loses stress, and returns to the original position under. According to the invention, the spring leg can be automatically positioned and clamped for assembly work only by putting the spring leg into the mechanism, redundant manual intervention is not required, the efficiency of assembling a shock absorber product can be improved by quickly positioning and clamping, the technological assembly requirement of a modern production line is met, the assembly time is saved, and the assembly efficiency is improved.

Description

Clamping mechanism capable of being repeatedly positioned

Technical Field

The invention relates to the technical field of production and assembly of shock absorber spring legs of automobile products, in particular to a clamping mechanism capable of being repeatedly positioned, which is applied to production assembly line equipment of shock absorber spring legs of automobile products.

Background

With the increasing improvement of the quality of life of people and the rapid development of the automobile industry, people have higher and higher requirements on the driving comfort of automobile products; in order to improve and improve the driving comfort and smoothness of the automobile, a shock absorber is generally arranged on an automobile suspension system, and meanwhile, the shock absorber has a buffering function, so that the damage to other parts is reduced, and the service life of the automobile is prolonged; the spring leg positioning and clamping is a basic link for assembling the shock absorber and is also the most important link. The existing shock absorber mounting structure mostly adopts the steps of manually positioning the spring leg once and clamping twice, and then presses the spring to mount the pressing bowl and the like through an assembling machine, so that the operation is complex, and the production efficiency is low. To this end, we propose a clamping mechanism that can be repeatedly positioned.

Disclosure of Invention

The present invention is directed to a clamping mechanism capable of being repeatedly positioned to solve the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a clamping mechanism that can repeatedly fix a position, includes bottom plate and adjusting plate, the upper end of bottom plate is equipped with the support, the upper end elasticity of support articulates there is the pressure hook, the middle part both ends symmetry of pressing the hook is equipped with the baffle, the upper end of pressing the hook just is located and is equipped with the tray between the baffle, the adjusting plate sets up in the top of bottom plate, the upper end of adjusting plate is equipped with the riser, the one end symmetry of riser is equipped with the curb plate, the downside is equipped with V type piece and lower V type piece respectively on the other end of riser.

Further, the press hook comprises a first horizontal part, a second horizontal part, a first vertical part, a second vertical part and a linking part, wherein the first vertical part and the second vertical part are integrally formed at two ends of the first horizontal part, the second horizontal part is integrally formed at one end of the first vertical part, and the linking part is integrally formed on the first vertical part.

Further, rotate the one end of installing the pivot on the support, pivot through connection portion, link to each other through the bolt is fixed between pivot and the connection portion, the other end of pivot rotates and is connected with the fender lid, the fender lid links to each other with the support is fixed, movable mounting is established to the outside cover of pivot has reset spring, reset spring's one end links to each other with the fender lid, reset spring's the other end links to each other with connection portion.

Furthermore, a bearing is arranged on the support, and one end of the rotating shaft is connected with the bearing.

Further, the holding block is welded at the upper end of the first horizontal part.

Further, the one end of baffle passes through the connecting plate and links to each other, baffle slant integrated into one piece is in the both ends of connecting plate, the connecting plate welds the lower extreme in first horizontal part.

Compared with the prior art, the invention has the beneficial effects that: the rotating component and the supporting component are both arranged on the bottom plate, the supporting component plays a supporting role for the spring leg, the center of the support block and the center of the circular angle at the front end of the upper arm of the pressure hook are on the same straight line, the fact that the axis of the spring leg is integrally consistent with the positioning center line of the mechanism in the supporting component is guaranteed, and the pressure hook of the supporting component can rotate together with the rotating shaft in the rotating component; a return spring is additionally arranged between a rotating shaft in the rotating component and a side face blocking cover of the support, the spring is a torsion spring and is positioned and fixed in a staggered angle mode, a certain angle is formed between a tangent plane at the lower end of the pressing hook in an initial state of the mechanism and a horizontal plane, and the spring legs are favorably placed and supported and positioned; when the spring leg is placed on the supporting block, the circular angle surface of the upper arm of the press hook is tangent to the outer cylindrical surface of the spring leg, the lower end surface of the spring leg is attached to the spherical surface of the upper end of the supporting block, the press hook rotates along the center of the rotating shaft under the action of the gravity of the spring leg until the outer cylindrical surface of the spring leg is attached to the two V-shaped blocks, and then the press hook stops rotating, the center line of the spring leg is just perpendicular to the horizontal plane of the supporting block, and the spring leg is stressed by the pressure of the assembling machine under the action of vertical downward pressure, so that the supporting block is stressed, the press hook is driven by the continuous rotation, the spring leg can be firmly squeezed in the; after the assembly is completed, the spring legs are detached, the pressure hook is stressed and disappears, and under the torsion action of the return spring, the pressure hook rotates along with the rotating shaft and returns to the original position. According to the invention, the spring leg can be automatically positioned and clamped for assembly work only by putting the spring leg into the mechanism, redundant manual intervention is not required, the efficiency of assembling a shock absorber product can be improved by quickly positioning and clamping, the technological assembly requirement of a modern production line is met, the assembly time is saved, and the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is a schematic sectional view of the plane a-a in fig. 1.

In the figure: the device comprises a 1-adjusting plate, a 2-vertical plate, a 3-side plate, a 4-lower V-shaped block, a 5-upper V-shaped block, a 6-baffle, a 7-supporting block, an 8-pressing hook, a 9-support, a 10-bottom plate, an 11-blocking cover, a 12-rotating shaft, a 13-bearing, a 14-bolt and a 15-reset spring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a clamping mechanism capable of being repeatedly positioned comprises a bottom plate 10 and an adjusting plate 1, wherein a support 9 is arranged at the upper end of the bottom plate 10, a press hook 8 is elastically hinged at the upper end of the support 9, baffle plates 6 are symmetrically arranged at two ends of the middle of the press hook 8, a support block 7 is arranged at the upper end of the press hook 8 and between the baffle plates 6, the adjusting plate 1 is arranged above the bottom plate 10, a vertical plate 2 is arranged at the upper end of the adjusting plate 1, a side plate 3 is symmetrically arranged at one end of the vertical plate 2, an upper V-shaped block 5 and a lower V-shaped block 4 are respectively arranged at the upper side and the lower side of the other end of the vertical plate 2, the press hook 8 comprises a first horizontal part, a second horizontal part, a first vertical part, a second vertical part and a linking part, the first vertical part and the second vertical part are integrally formed at two ends of the first horizontal part, the second horizontal part is integrally formed at one end of the first vertical part, the rotating shaft 12 penetrates through the connecting part, the rotating shaft 12 is fixedly connected with the connecting part through a bolt 14, the other end of the rotating shaft 12 is rotatably connected with a blocking cover 11, the blocking cover 11 is fixedly connected with the support 9, a reset spring 15 is movably mounted outside the rotating shaft 12 in a sleeved mode, one end of the reset spring 15 is connected with the blocking cover 11, the other end of the reset spring 15 is connected with the connecting part, a bearing 13 is arranged on the support 9, one end of the rotating shaft 12 is connected with the bearing 13, the support block 7 is welded at the upper end of the first horizontal part, one end of the baffle 6 is connected through a connecting plate, the baffle is obliquely and integrally formed at two ends of the connecting plate 6, and the connecting plate is welded at the lower end of the first horizontal part, wherein the supporting; the rotating parts comprise a blocking cover 11, a rotating shaft 12, a bearing 13, a bolt 14, a return spring 15 and a support 9; the clamping part comprises an adjusting plate 1, a vertical plate 2, a side plate 3, a lower V-shaped block 4, an upper V-shaped block 5 rotating part and a supporting part which are all arranged on a bottom plate 10, a baffle 6 is welded at the front end of the bottom surface of a lower arm of a press hook 8, a supporting block 7 is welded on the upper surface of the front end of the lower arm of the press hook 8, and the center of the supporting block 7 and the center of a circular angle at the front end of an upper arm of the press hook 8 are on the same straight line; the spherical surface of the upper surface of the support block 7 is attached to the lower end surface of the spring leg; the side surface of the rear end of the press hook 8 is provided with a big hole, the upper surface and the side surface of the rear end are provided with small holes, a rotating shaft 12 in the rotating part penetrates through the big hole, and a bolt 14 penetrates through the small hole and a positioning small hole on the rotating shaft 12; the side surface of the rear end of the press hook 8 is provided with a large hole, the end surface of the rear end is provided with a small hole, the bolt 14 passes through the small hole and the middle positioning small hole on the rotating shaft 12, so that the rotating shaft 12 and the press hook 8 are connected together, and the press hook 8 rotates along with the rotation of the rotating shaft 12; the surface of the rotating shaft 12 is provided with two positioning small holes, one hole is in the middle, the other hole is at one end, and the centers of the two small holes form an included angle of 20 degrees when viewed from the end surface, so that the spatial position of the press hook 8 relative to the rotating component in the initial state is positioned; the support 9 is fixed on the bottom plate, the side surface of the support 9 is provided with a hole, a self-lubricating bearing 13 is embedded in the hole, and the rotating shaft 12 penetrates through the support hole 9 and rotates in the bearing 13; the baffle cover 11 is arranged at the outer side of the support 9, a positioning small hole is formed in the outer cylindrical surface of the baffle cover 11, a stepped hole is formed in the baffle cover 11, the rotating shaft 12 penetrates through the end surface of the baffle cover through the small hole in the baffle cover 11, the positioning small hole at one end of the rotating shaft 12 is concentric with the positioning small hole in the baffle cover 11, the bolt 14 penetrates through the two positioning small holes to connect the baffle cover 11 and the rotating shaft 12 together, and the baffle cover 11 rotates together with the rotating shaft 12; a rectangular small groove is formed below a side hole of the support 9, a small round hole is formed in the end face of the blocking cover 11, the reset spring 15 is a torsion spring and is sleeved on the rotating shaft 12 and installed in the inner cavity of the blocking cover 11, one end of the reset spring 15 is inserted into the small groove formed in the side face of the support 9, the other end of the reset spring is inserted into the small round hole in the end face of the blocking cover 11, the blocking cover 11 is driven to rotate when the rotating shaft 12 rotates, one end of the reset spring 15 can move along the inside of the small groove formed in the support 9, and the other end of the reset spring can rotate along with the blocking; the side plate 3 is arranged on the adjusting plate 1, the vertical plate 2 and the side plate 3 are fixed together through bolts, the lower V-shaped block 4 and the upper V-shaped block 5 are fixed on the vertical plate 2 through bolts, the opening angles of the two V-shaped blocks are the same, and the opening inclined planes are tangent to the outer cylindrical surface of the spring leg; the supporting component, the rotating component and the clamping component are symmetrical, and the symmetrical planes of the supporting component, the rotating component and the clamping component are on the same neutral plane.

The working principle is as follows: in the initial state, due to the restriction of space angles of two positioning small holes of the return spring 15 and the rotating shaft 12 in the rotating component, the upper arm and the lower arm of the press hook 8 are not horizontal, but form an angle of 20 degrees with the horizontal plane; the spring leg is placed on a pressing hook 8, the bottom surface of the spring leg is attached to the spherical surface of a support block 7, the upper arm circular angle surface of the pressing hook 8 is attached to the outer cylindrical surface of the spring leg, the pressing hook 8 rotates along with a rotating shaft 12 under the action of the gravity of the spring leg until the outer cylindrical surface of the spring leg is attached to two V-shaped blocks, then the pressing hook 8 stops rotating, the center line of the spring leg is just perpendicular to the horizontal plane with the support block 7, the spring leg is subjected to the action of the pressure of an assembling machine and is subjected to vertical downward pressure, so that the support block 7 is continuously stressed, the pressing hook 8 is subjected to the driving force of continuous rotation, the spring leg can be firmly extruded in the lower V-shaped block 4 and the upper V-shaped block 5; after the assembly is completed, the spring legs are removed, the stress of the pressure hook 8 disappears, the pressure hook 8 is rotated reversely along with the rotating shaft 12 to reset under the torsion action of the reset spring 15, and the original position is returned.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a clamping mechanism that can repeatedly fix a position, its characterized in that, includes bottom plate (10) and adjusting plate (1), the upper end of bottom plate (10) is equipped with support (9), the upper end elastic hinge of support (9) has pressure hook (8), the middle part both ends symmetry of pressure hook (8) is equipped with baffle (6), the upper end of pressure hook (8) just is located and is equipped with tray (7) between baffle (6), adjusting plate (1) sets up in the top of bottom plate (10), the upper end of adjusting plate (1) is equipped with riser (2), the one end symmetry of riser (2) is equipped with curb plate (3), the downside is equipped with V type piece (5) and lower V type piece (4) respectively on the other end of riser (2).

2. A re-positionable clamping mechanism according to claim 1, wherein the press hook (8) comprises a first horizontal portion, a second horizontal portion, a first vertical portion, a second vertical portion and a linking portion, the first and second vertical portions being integrally formed at both ends of the first horizontal portion, the second horizontal portion being integrally formed at one end of the first vertical portion, and the linking portion being integrally formed on the first vertical portion.

3. The clamping mechanism capable of being repeatedly positioned according to claim 2, wherein one end of a rotating shaft (12) is rotatably mounted on the support (9), the rotating shaft (12) penetrates through the connecting portion, the rotating shaft (12) is fixedly connected with the connecting portion through a bolt (14), the other end of the rotating shaft (12) is rotatably connected with a blocking cover (11), the blocking cover (11) is fixedly connected with the support (9), a return spring (15) is movably mounted on the outer portion of the rotating shaft (12), one end of the return spring (15) is connected with the blocking cover (11), and the other end of the return spring (15) is connected with the connecting portion.

4. A repositionable clamping mechanism as defined in claim 3 wherein the support (9) is provided with a bearing (13) and one end of the shaft (12) is connected to the bearing (13).

5. A repositionable clamping mechanism as defined in claim 2 wherein the bracket (7) is welded to the upper end of the first horizontal section.

6. A re-positionable clamping mechanism according to claim 2 wherein the end of the apron (6) is connected by a connecting plate, the apron being angled (6) integrally formed at both ends of the connecting plate, the connecting plate being welded to the lower end of the first horizontal portion.