CN212240133U

CN212240133U - Clamp adaptive to steering knuckle

Info

Publication number: CN212240133U
Application number: CN202020963182.3U
Authority: CN
Inventors: 吴春荣; 陈晨; 刘华; 赵明杰
Original assignee: Suzhou Abifuqi Intelligent Manufacturing Co ltd
Current assignee: Suzhou Feihang Defense Equipment Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-29
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses an anchor clamps of adaptation knuckle, including base and the installation department of slope setting on the base, be provided with first pressure on the installation department and establish the subassembly, first pressure is established the subassembly and is included driving piece, first linkage piece and first pressure arm, the tip of first pressure arm is connected with the cantilever arm of driving piece through first articulated point, the free end of first pressure arm is used for pressing and establishes the work piece; one end of the first linkage piece is hinged with the middle part of the first pressure arm through a second hinge point, and the other end of the first linkage piece is connected with the driving piece through a third hinge point. The utility model discloses stability when can increase the knuckle locking.

Description

Clamp adaptive to steering knuckle

Technical Field

The utility model relates to an anchor clamps equipment field, concretely relates to anchor clamps of adaptation knuckle.

Background

The steering knuckle needs to be locked by a clamp in the machining process so as to prevent the steering knuckle from deviating in position in the machining process. The clamp for locking the steering knuckle in the prior art mostly adopts clamping plates to directly clamp and fix, but because the structure of the steering knuckle is complex and needs to incline at a certain angle during locking, the clamp plates are utilized to clamp and fix the steering knuckle, so that the steering knuckle is unstable in fixation, the steering knuckle is easy to shift under the action of external force, and the machining precision of the steering knuckle is influenced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an anchor clamps of adaptation knuckle, stability when it can increase the knuckle locking.

In order to solve the technical problem, the utility model provides an anchor clamps of adaptation knuckle, including base and the installation department of slope setting on the base, be provided with the first pressure on the installation department and set up the subassembly, the first pressure is set up the subassembly including driving piece, first linkage and first pressure arm, the tip of first pressure arm through first articulated point with the cantilever arm of driving piece is connected, the free end of first pressure arm is used for pressing and sets up the work piece; one end of the first linkage piece is hinged with the middle part of the first pressure arm through a second hinge point, and the other end of the first linkage piece is connected with the driving piece through a third hinge point.

Furthermore, a second pressing assembly is further arranged on the mounting portion and comprises a base body, a handle, a second linkage part and a second pressing arm, and the lower end of the handle is hinged with the base body through a first rotating point; the lower end of the second linkage piece is hinged with the second pressure arm through a second rotating point, and the upper end of the second linkage piece is hinged with the handle through a third rotating point; the free end of the second pressure arm, which is close to the second rotation point, is hinged to the seat body through a fourth rotation point, a crimping part is arranged at one end of the second linkage piece, which is close to the third rotation point, and a clamping groove capable of embedding the end part of the second linkage piece is formed in the upper surface of the seat body; when the second linkage piece is embedded in the clamping groove, the first rotating point, the second rotating point and the third rotating point are collinear, the crimping part can be arranged at the end part of the second pressing arm in a pressing mode, and the free end of the second pressing arm can lock the workpiece.

Furthermore, the upper surface of pedestal includes the slope, the slope pass through the arc transition with the draw-in groove is connected, the slope can with the lateral wall laminating of second linkage to the restriction the turned angle of second linkage.

Furthermore, a limiting block is arranged on the base body, and the second limiting block can be abutted against the end part of the handle so as to limit the rotation angle of the handle.

Furthermore, the second pressure arm is including being located the pressure head of its free end, the second pressure arm has seted up along its length direction and has slided the groove, the pressure head can be followed slide the groove motion to can lock through the fastener.

Furthermore, the free end of the first pressure arm and the outside of the pressure head are coated with protective layers.

Furthermore, a fixed block is arranged on the driving piece, and the first linkage piece is connected with the fixed block through the third hinge joint.

Further, be provided with spacing post on the installation department, the lateral wall of spacing post with the work piece laminating.

Furthermore, a support piece is arranged on the mounting part and used for bearing the workpiece; the supporting piece is provided with an inserting column.

Furthermore, the lower part of the base is connected with a fixed plate in a sliding manner, and the base is connected with the fixed plate through a limiting assembly.

The utility model has the advantages that:

when the extending end of the driving part is in an extending state, the first linkage part is in a vertical direction, and the free end of the first pressure arm is pressed on the edge of the steering knuckle so as to lock the steering knuckle; when the extending end of the driving part is retracted, the first pressure arm rotates around the second hinge point, so that the driving part moves downwards through the first hinge point, and at the moment, the lower end of the first linkage part rotates around the third hinge point, so that the first linkage part is inclined towards the driving part under the driving of the first pressure arm; at this time, the free end of the first pressing arm moves upward around the second hinge point, so that the first pressing arm and the knuckle are separated, thereby releasing the lock on the knuckle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a first pressing assembly of the present invention;

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

fig. 4 is a schematic structural view of a second pressing assembly of the present invention;

fig. 5 is a partial schematic view of a second pressing assembly of the present invention.

The reference numbers in the figures illustrate: 1. a base; 11. a fixing plate; 2. an installation part; 21. a limiting column; 22. a support member; 221. inserting a column; 3. a drive member; 31. a fixed block; 4. a first linkage member; 41. a second hinge point; 42. a third hinge point; 5. a first press arm; 51. a first hinge point; 6. a base body; 61. a card slot; 62. an inclined portion; 63. a limiting block; 7. a handle; 71. a first rotation point; 8. a second linkage member; 81. a second rotation point; 82. a third rotation point; 83. a crimping part; 9. a second press arm; 91. a sliding groove; 92. a pressure head; 921. a fastener; 93. a fourth rotation point.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1-5, an embodiment of an adaptive knuckle fixture of the present invention includes a base 1 and an installation portion 2 disposed on the base 1, and the knuckle is fixed by the installation portion 2 disposed on the base 1, so as to facilitate subsequent processing of the knuckle. Be provided with first pressure on installation department 2 and establish the subassembly and the second is pressed and is established the subassembly, and first pressure is established the subassembly and/or the second is pressed and is established the surface that the subassembly homoenergetic pressed the knuckle to realize the locking of knuckle, also can reduce the skew of knuckle in the course of working position, improve the precision of knuckle processing.

The first pressing assembly comprises a first pressing arm 5, a first linkage 4 and a driving part 3, wherein the driving part 3 is preferably a cylinder. One end of the first pressure arm 5 is hinged with the extending end of the driving member 3, and is marked as a first hinge point 51; while the other free end of the first press arm 5 is used for pressing the workpiece. The upper end part of the first linkage part 4 is rotationally connected with the middle position of the first pressure arm 5 and is marked as a second hinge point 41; the lower end of the first linkage member 4 is rotatably connected to the driving member 3, and is referred to as a third hinge point 42. When the protruding end of the driving member 3 is in the protruding state, the first linkage member 4 is in the vertical direction, and the free end of the first pressing arm 5 is pressed against the rim of the knuckle, so as to lock the knuckle. When the extending end of the driving member 3 retracts, the first pressing arm 5 rotates around the second hinge point 41, so that the driving member 3 moves downwards through the first hinge point 51, and at the moment, the lower end of the first linkage member 4 rotates around the third hinge point 42, so that the first linkage member 4 is inclined towards the driving member 3 under the driving of the first pressing arm 5; at this time, the free end of the first pressing arm 5 moves upward around the second hinge point 41, so that the first pressing arm 5 and the knuckle are separated, thereby releasing the lock of the knuckle.

The upper surface of the driving member 3 is provided with a fixed block 31, and the lower end of the first linkage member 4 is rotatably connected to the fixed block 31 through a third hinge point 42. The use of the fixing block 31 can facilitate the articulation of the first linkage member 4 and the driving member 3 to facilitate the installation and setting of the pressing assembly.

The mounting portion 2 is further provided with a support member 22, and the support member 22 is used for placing and carrying the knuckle. The knuckle is first placed on the support 22 and then locked with the first and/or second crimping assemblies while the knuckle is secured. When the workpiece is locked by the first and/or second pressing members, the stay 22 applies a steering knuckle support force to abut against the surface of the steering knuckle by the engagement of the first and/or second pressing members with the stay 22, respectively, thereby increasing the stability when the steering knuckle is locked in position. In the process of locking the knuckle, in order to make the inlay card power that the knuckle bore distribute evenly, can be provided with first pressure on installation department 2 in this embodiment and establish the subassembly and/or the second is pressed and is established the subassembly to the realization is fixed to the multiple spot butt of knuckle, makes the knuckle atress more even, with the deformation when reducing the knuckle and fixing.

The support member 22 is provided with an insert column 221, the insert column 221 is matched with the steering knuckle and can be inserted into a hole of the steering knuckle, so that the stability of the steering knuckle when the steering knuckle is fixed is improved by using the embedding force between the insert column 221 and the surface of the steering knuckle; the position precision of the steering knuckle can be improved when the steering knuckle is fixed, and the subsequent machining of the steering knuckle is facilitated.

Still be provided with a plurality of spacing posts 21 on the installation department 2, the surface laminating of the lateral wall of spacing post 21 and knuckle simultaneously to can utilize a plurality of spacing posts 21 that encircle the knuckle setting, realize spacing post 21 to the injecing of knuckle, with the skew of further reduction knuckle position in the course of working, with the precision of improvement knuckle processing.

The second pressing assembly comprises a base body 6, a handle 7, a second linkage member 8 and a second pressing arm 9, the base body 6 is fixedly arranged on the mounting portion 2, the lower end of the handle 7 is hinged to the base body 6 through a first rotating point 71, the lower end of the second linkage member 8 is hinged to one end of the second pressing arm 9 through a second rotating point 81, meanwhile, the upper end of the second linkage member 8 is hinged to the middle of the handle 7 through a third rotating point 82, the free end of the second pressing arm 9 is hinged to the base body 6 through a fourth rotating point 93, and the free end of the second pressing arm 9 is an end portion close to the second rotating point 81. One end of the second linkage member 8 near the third rotation point 82 is provided with a crimping portion 83, and the crimping portion 83 can be crimped to the end of the second presser arm 9. The upper surface of the base 6 is provided with a clamping groove 61 capable of embedding the end part of the second linkage member 8, and for the convenience of rotation of the second linkage member 8 in the clamping groove 61, the second clamping groove 61 is arc-shaped. When the first rotation point 71, the second rotation point 81 and the third rotation point 82 are arranged collinearly, the second link member 8 is engaged in the engaging groove 61 in parallel to the straight line, the second pressing arm 9 is arranged in a direction perpendicular to the second link member 8, and the press-contact portion 83 can be press-contacted to the end of the second pressing arm 9, so that the press-contact portion 83 can apply a pressing force to the second pressing arm 9 directed perpendicularly to the second pressing arm 9. At this time, the free end of the second pressure arm 9 can be pressed on the knuckle, the knuckle can react to the thrust vertically far away from the second pressure arm 9 at the free end of the second pressure arm 9, the pressure applied to the second pressure arm 9 by the press-connection part 83 can completely offset or partially offset the thrust reacted on the second pressure arm 9 by the knuckle, and meanwhile, the bending moment applied to the second pressure arm 9 by the press-connection part 83 is opposite to the bending moment applied to the second pressure arm 9 by the knuckle, so that the stress of the second pressure arm 9 tends to be balanced, the stability when the second pressure arm 9 presses the knuckle is ensured, the position deviation in the knuckle processing process is reduced, and the precision in the knuckle processing is improved.

The upper surface of the holder body 6 includes an inclined portion 62, and the inclined portion 62 can be connected with the catching groove 61 by means of arc transition. The inclined portion 62 can abut against the side wall of the second linkage member 8, and when the second linkage member 8 is parallel to a straight line formed by the first rotation point 71, the second rotation point 81 and the third rotation point 82, the end portion of the second linkage member 8 can be inserted into the notch 61, and the second pressing arm 9 is pressed against the knuckle to lock the knuckle. When the handle 7 is rotated, the handle 7 rotates around the first rotation point 71, and simultaneously can drive the second linkage member 8 to rotate through the third rotation point 82, and drive the second linkage member 8 to rotate in a direction away from the second pressing arm 9, at this time, the end portion of the second linkage member 8 can be embedded in the clamping groove 61 to rotate, so that the side wall of the second linkage member 8 gradually approaches the inclined portion 62 until the side wall of the second linkage member 8 is attached to the inclined portion 62. During the rotation of the second linkage member 8, the second linkage member 8 can drive the second pressing arm 9 to move away from the knuckle through the second rotation point 81, so that the locking of the second pressing arm 9 and the knuckle is released, and the second pressing arm 9 rotates around the fourth rotation point 93 to disengage from the knuckle. The position and rotation angle of the second linkage member 8 can be restricted by the engagement of the catching groove 61 and the inclined portion 62 to ensure the stability of the performance of the second press-fitting assembly in operation.

The side wall of the seat body 6 is provided with a limit block 63, and the limit block 63 is used for abutting against the lower end part of the handle 7, so that the rotating angle of the handle 7 can be limited. In this embodiment, when the lower end of the handle 7 abuts against the stopper 63, the side wall of the second link 8 abuts against the inclined portion 62.

The free end of the second press arm 9 is provided with a press head 92, with which press head 92 abutment of the second press arm 9 with the knuckle is facilitated, so as to facilitate locking of the knuckle. The second pressing arm 9 is provided with a sliding groove 91 along the length direction thereof, and the pressing head 92 can be embedded in the sliding groove 91 and can move along the opening direction of the sliding groove 91, so that the position of the pressing head 92 can be correspondingly adjusted according to the change of the size specification of the knuckle, and the stability of pressing the knuckle by using the pressing head 92 is ensured. And after the pressing head 92 is adjusted to a proper position, the pressing head can be locked by a fastening piece 921, and in the embodiment, the fastening piece 921 is preferably used for fastening a bolt.

In addition, the free end of the first pressing arm 5 and the outside of the pressing head 92 are covered with a protective layer, and the material of the protective layer is preferably rubber in this embodiment. The protective layer can reduce the damage to the surface of the knuckle when the first pressure arm 5 and the pressure head 92 abut against the knuckle, thereby having a certain protective effect on the knuckle.

The below of base 1 still slides and is provided with fixed plate 11, and base 1 and fixed plate 11 pass through spacing subassembly and connect, and spacing subassembly includes slider and the spout that supplies above-mentioned slider motion in this embodiment, and the lower surface protrusion of base 1 is provided with above-mentioned slider, and the upper surface of fixed plate 11 is seted up along its length direction parallel with above-mentioned slider complex spout. The direction of the base 1 when moving relative to the fixed plate 11 can be limited by the cooperation of the sliding block and the sliding groove. Meanwhile, the base 1 is connected with the fixing plate 11 in a sliding mode, and the steering knuckle is convenient to machine in the subsequent process.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The clamp adaptive to the steering knuckle is characterized by comprising a base and an installation part obliquely arranged on the base, wherein a first pressing assembly is arranged on the installation part and comprises a driving part, a first linkage part and a first pressing arm, the end part of the first pressing arm is connected with an extending arm of the driving part through a first hinge joint, and the free end of the first pressing arm is used for pressing a workpiece; one end of the first linkage piece is hinged with the middle part of the first pressure arm through a second hinge point, and the other end of the first linkage piece is connected with the driving piece through a third hinge point.

2. The clamp for adapting the steering knuckle according to claim 1, wherein the mounting portion is further provided with a second pressing component, the second pressing component comprises a seat body, a handle, a second linkage member and a second pressing arm, and the lower end of the handle is hinged to the seat body through a first rotating point; the lower end of the second linkage piece is hinged with the second pressure arm through a second rotating point, and the upper end of the second linkage piece is hinged with the handle through a third rotating point; the free end of the second pressure arm, which is close to the second rotation point, is hinged to the seat body through a fourth rotation point, a crimping part is arranged at one end of the second linkage piece, which is close to the third rotation point, and a clamping groove capable of embedding the end part of the second linkage piece is formed in the upper surface of the seat body; when the second linkage piece is embedded in the clamping groove, the first rotating point, the second rotating point and the third rotating point are collinear, the crimping part can be arranged at the end part of the second pressing arm in a pressing mode, and the free end of the second pressing arm can lock the workpiece.

3. The knuckle clamp of claim 2, wherein the upper surface of the seat includes an inclined portion connected to the notch by an arcuate transition, the inclined portion being capable of engaging a side wall of the second linkage member to limit the rotational angle of the second linkage member.

4. The clamp for adapting to the steering knuckle according to claim 2, wherein a limit block is arranged on the base body, and the limit block can be abutted against the end part of the handle to limit the rotation angle of the handle.

5. The knuckle clamp of claim 2, wherein the second press arm includes a press head at a free end thereof, the second press arm having a sliding groove formed along a length thereof, the press head being movable along the sliding groove and lockable by a fastener.

6. The knuckle clamp of claim 5, wherein the free end of the first press arm and the exterior of the press head are coated with a protective layer.

7. The knuckle clamp of claim 1, wherein a mounting block is disposed on the driving member, and the first linkage member is connected to the mounting block via the third hinge point.

8. The knuckle-fitting fixture according to claim 1, wherein a limit post is provided on the mounting portion, and a side wall of the limit post is attached to the workpiece.

9. The knuckle clamp of claim 1, wherein a support member is provided on the mounting portion, the support member being adapted to carry the workpiece; the supporting piece is provided with an inserting column.

10. The knuckle clamp of claim 1, wherein a fixing plate is slidably attached to the underside of the base, and the base is connected to the fixing plate via a stop assembly.