CN216265498U

CN216265498U - Clamping mechanism

Info

Publication number: CN216265498U
Application number: CN202122223311.2U
Authority: CN
Inventors: 陈吉安; 罗昌展; 高达勇; 林玉清; 黄阿彬; 林枭
Original assignee: Fuzhou Fuyao Mould Technology Co ltd
Current assignee: Fuzhou Fuyao Mould Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-12
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a clamping mechanism, which comprises a fixed seat and a movable clamping component, wherein the movable clamping component is matched with the fixed seat and used for clamping a workpiece; the movable clamping assembly comprises a base, an elastic piece and a pressure head; one end of the base facing the fixed seat is provided with a movable cavity; the elastic part is arranged in the movable cavity and used for applying pressure to the pressure head in the direction towards the fixed seat, the pressure head can be movably arranged at one end, close to the fixed seat, of the movable cavity along the axial direction, and at least part of the pressure head is positioned outside the movable cavity and used for abutting against a workpiece. According to the utility model, the elastic piece applies acting force to the pressure head to clamp the workpiece, and the clamping force of the pressure head to the workpiece can be adjusted in a self-adaptive manner through the elastic piece, so that the application range is expanded.

Description

Clamping mechanism

Technical Field

The utility model relates to the field of clamping equipment, in particular to a clamping mechanism.

Background

The clamping mechanism is a novel manual clamp capable of accurately positioning and quickly clamping, and has the functions of accurate positioning, quick assembly and disassembly, self-locking clamping and the like. At present, the clamp is generally used as a clamping mechanism in the field to replace the traditional fixing mode, the structure of the clamp is simple, the installation is simple and convenient, and the clamped workpiece is fast to assemble and disassemble. The existing push-pull type clamp has large clamping force on products, and the rubber pressure head has large size, so that the whole size of the existing push-pull type clamp is large, when the push-pull type clamp is used in a small space range, the products are easily interfered, and the clamping force is large, so that when a single thin workpiece is clamped, the workpiece is easily deformed, the workpiece cannot be used, and therefore, the application range of the push-pull type clamp has limitation.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: provided is a clamping mechanism which can be applied to a wider range.

In order to solve the technical problems, the utility model adopts the technical scheme that:

a clamping mechanism comprises a fixed seat and a movable clamping assembly, wherein the movable clamping assembly is matched with the fixed seat and used for clamping a workpiece;

the movable clamping assembly comprises a base, an elastic piece and a pressure head;

one end of the base facing the fixed seat is provided with a movable cavity;

the elastic part is arranged in the movable cavity, one end of the elastic part is connected with the pressure head, the elastic part is used for applying pressure to the pressure head in the direction towards the fixed seat, the pressure head can be movably arranged at one end, close to the fixed seat, of the movable cavity along the axial direction, and at least part of the pressure head is positioned outside the movable cavity and used for abutting against a workpiece.

Furthermore, the device also comprises a limiting piece;

the top of the base is provided with a movable groove along the movable direction of the pressure head, and one end of the movable groove, which is far away from the fixed seat, is provided with a limit groove which is mutually vertical to the movable groove;

the one end of locating part with the pressure head is kept away from the one end of fixing base is connected, just the other end of locating part passes the activity groove sets up, the locating part can be followed the activity groove removes and can wind the axis of pressure head is rotatory in order to imbed the spacing inslot.

Further, the limiting piece is in threaded connection with the pressure head.

Further, the pressure head comprises a connecting seat and a pressure head body;

the pressure head body is detachably connected with the connecting seat, at least part of the connecting seat is located in the movable cavity, and at least part of the pressure head body is located outside the movable cavity so as to abut against a workpiece.

Further, one end of the pressure head, which is close to the fixed seat, is provided with a plane.

Further, the inner diameter of the movable cavity is equal to the outer diameter of one end of the pressure head, which is positioned in the movable cavity.

Further, the elastic member is a spring.

Further, the elastic part forms yielding space between the inner wall of the movable cavity and the radial direction.

Furthermore, the fixed seat and the movable clamping component are both arranged on the bottom plate.

Furthermore, the movable clamping assembly is arranged on the bottom plate through a supporting table, so that the pressure head is opposite to the clamping end of the fixed seat.

The utility model has the beneficial effects that: adopt the base, pressure head and elastic component complex mode, utilize the elastic component to the produced pressure of pressure head, make the work piece tightly pressed from both sides between pressure head and fixing base, make the pressure head can carry out the self-adaptation regulation according to the actual size of work piece, pressure head and fixing base can realize the self-adaptation regulation to the clamp force of work piece promptly, compare in traditional plug-type clamp, can adapt to the work piece of more types, can avoid the too big problem that leads to the work piece to warp of clamp force, the problem of interfering the work piece appears when can also avoiding carrying out the centre gripping to the work piece simultaneously, application scope has been enlarged.

Drawings

FIG. 1 is a schematic view of a clamping mechanism according to the present invention;

FIG. 2 is a top view of the movable clamp assembly of the present invention;

fig. 3 is a cross-sectional view taken along the plane a-a in fig. 2.

Description of reference numerals:

1. a fixed seat;

2. a workpiece;

3. a movable clamping assembly; 31. a base; 311. a movable groove; 312. a limiting groove; 313. a movable cavity; 32. an elastic member; 33. a pressure head; 331. a connecting seat; 332. a ram body; 34. a limiting member; 35. a space of abdicating;

4. a base plate; 5. and a support table.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 3, a clamping mechanism includes a fixing base, and further includes a movable clamping assembly for engaging with the fixing base and clamping a workpiece;

one end of the base facing the fixed seat is provided with a movable cavity;

The working principle of the utility model is as follows:

the pressure of the elastic piece on the pressure head is utilized to enable the workpiece to be clamped between the pressure head and the fixing seat, and the elastic piece can deform, so that the pressure head can realize self-adaptive adjustment according to different sizes of the workpiece, and on the premise of ensuring that the workpiece can be clamped, the workpiece deformation caused by overlarge clamping force is avoided, so that the clamping mechanism can clamp workpieces of different types, and the application range is enlarged.

From the above description, the beneficial effects of the present invention are: adopt the base, pressure head and elastic component complex mode, utilize the elastic component to the produced pressure of pressure head, make the work piece tightly pressed from both sides between pressure head and fixing base, make the pressure head can carry out the self-adaptation regulation according to the actual size of work piece, pressure head and fixing base can realize the self-adaptation regulation to the clamp force of work piece promptly, compare in traditional plug-type clamp, can adapt to the work piece of more types, can avoid the too big problem that leads to the work piece to warp of clamp force, the problem of interfering the work piece appears when can also avoiding carrying out the centre gripping to the work piece simultaneously, application scope has been enlarged.

Furthermore, the device also comprises a limiting piece;

According to the above description, the limiting part and the movable groove are arranged, the pressing head can be driven to move towards one side away from the fixing seat when the workpiece needs to be released, and the limiting groove is arranged and used for being matched with the limiting part to limit the pressing head so as to release the workpiece and facilitate next clamping.

Further, the limiting piece is in threaded connection with the pressure head.

As can be seen from the above description, the limiting piece is in threaded connection with the pressure head, so that the disassembly and the assembly are convenient.

Can know by above-mentioned description, can dismantle the pressure head body and be connected with the connecting seat, can carry out the profile modeling design according to actual demand to the pressure head, be convenient for change the pressure head body, enlarge application scope.

As can be seen from the above description, the end of the pressure head close to the fixing seat is provided with the plane, so that the stability of the pressure head and the fixing seat in workpiece clamping can be improved.

As can be seen from the above description, the inner diameter of the movable cavity is equal to the outer diameter of one end of the pressure head, which is positioned in the movable end, so that the stability of the pressure head during moving and clamping is improved.

Further, the elastic member is a spring.

According to the above description, the yielding space is formed between the elastic part and the inner wall of the movable cavity, so that the yielding space is provided for the elastic part to deform, and the reliability of the movable clamping assembly is improved.

According to the above description, the fixing seat and the movable clamping component are both arranged on the bottom plate, so that the stability of the whole structure can be improved.

Example one

Referring to fig. 1-3, a clamping mechanism comprises a fixed seat 1, and further comprises a movable clamping assembly 3 for cooperating with the fixed seat 1 and clamping a workpiece 2; the movable clamping assembly 3 comprises a base 31, an elastic piece 32 and a pressure head 33; one end of the base 31 facing the fixed seat 1 is provided with a movable cavity 313; the elastic element 32 is installed in the movable cavity 313 and the elastic element 32 abuts against the pressure head 33, the elastic element 32 is used for applying pressure to the pressure head 33 in the direction towards the fixed seat 1, the pressure head 33 can be installed at one end, close to the fixed seat 1, of the movable cavity 313 in an axially movable manner, and at least part of the pressure head 33 is located outside the movable cavity 313 and used for abutting against the workpiece 2. Preferably, the elastic member 32 is a cylindrical spring, preferably a compression spring.

Referring to fig. 1-3, a limiting member 34 is further included; the top of the base 31 is provided with a movable groove 311 along the moving direction of the pressure head 33, and one end of the movable groove 311 away from the fixed seat 1 is provided with a limit groove 312 which is perpendicular to the movable groove 311; one end of the limiting piece 34 is connected with one end of the pressing head 33 far away from the fixed base 1, the other end of the limiting piece 34 passes through the movable groove 311, and the limiting piece 34 can move along the movable groove 311 and can rotate around the axis of the pressing head 33 to be embedded into the limiting groove 312. Wherein, the limiting groove 312 and the movable groove 311 form a T-shaped groove or an L-shaped groove.

Preferably, the retaining member 34 is threadedly connected to the ram 33.

Referring to fig. 1 to 3, the ram 33 includes a connection seat 331 and a ram body 332; the pressing head body 332 is detachably connected with the connecting seat 331, the connecting seat 331 is at least partially located in the movable cavity 313, and the pressing head body 332 is at least partially located outside the movable cavity 313 to press against the workpiece 2. The ram body 332 can be profiled according to actual requirements to accommodate different types of workpieces 2. Wherein, the limiting member 34 is in threaded connection with the connecting seat 331; in order to enable the connecting seat 331 to rotate flexibly, the movable cavity 313 is a cylindrical cavity, and the connecting seat 331 is also a cylinder. In this embodiment, one end of the connecting seat 331 is located in the movable cavity 313, and the other end is located outside the movable cavity 313 and is used for connecting with the pressing head 33, in other equivalent embodiments, the connecting seat 331 can also be located completely in the movable cavity 313, and the pressing head body 332 is located at least partially in the movable cavity 313, so that when the elastic element 32 is completely released, the pressing head 33 can cooperate with the fixing seat 1 to clamp the workpiece 2.

Referring to fig. 2 and 3, the end of the pressing head 33 near the fixing base 1 has a flat surface. In this embodiment, one end of the indenter body 332 facing the fixing base 1 is conical, and one end of the indenter body 332 close to the fixing base 1 has a plane around the axis of the indenter body 332.

Referring to fig. 3, the inner diameter of movable chamber 313 is equal to the outer diameter of the end of ram 33 located within movable chamber 313. Specifically, the inner diameter of the movable cavity 313 is equal to the outer diameter of the connecting seat 331.

Referring to fig. 3, the elastic member 32 forms an escape space 35 between the inner wall of the movable chamber 313 in the radial direction. Specifically, there is a gap between the elastic member 32 and the inner wall of the movable chamber 313 in the radial direction.

Referring to fig. 1, the fixing base 1 and the movable clamping assembly 3 are both mounted on the bottom plate 4. Specifically, the movable clamping assembly 3 is mounted on the bottom plate 4 through the supporting table 5, so that the pressing head 33 is arranged opposite to the clamping end of the fixing seat 1.

In summary, the clamping mechanism provided by the utility model applies acting force to the pressure head through the spring, so that the pressure head can be adjusted in an adaptive manner in the axial direction of the pressure head to adapt to different workpieces; the pressure head body of the pressure head is detachably connected with the connecting seat, so that users can design pressure head bodies with different structures to replace the pressure head bodies according to actual requirements, and the application range is further expanded; the limiting part is arranged for adjusting the position of the pressure head and locking the pressure head, and is matched with the limiting groove when the workpiece is not clamped, so that the workpiece can be adjusted conveniently.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. A clamping mechanism comprises a fixed seat and is characterized by also comprising a movable clamping component which is used for matching with the fixed seat and clamping a workpiece;

one end of the base facing the fixed seat is provided with a movable cavity;

2. The clamping mechanism as recited in claim 1, further comprising a stop;

3. The clamping mechanism as recited in claim 2, wherein said retaining member is threadably coupled to said ram.

4. The clamping mechanism of claim 1 wherein said ram includes a connecting block and a ram body;

5. The clamping mechanism as recited in claim 1, wherein an end of said ram adjacent said anchor block has a flat surface.

6. The clamping mechanism as recited in claim 1, wherein an inner diameter of said movable cavity is equal to an outer diameter of an end of said ram within said movable cavity.

7. The clamping mechanism as recited in claim 1, wherein said resilient member is a spring.

8. The clamping mechanism as recited in claim 1, wherein said resilient member forms a relief space radially between said resilient member and an inner wall of said movable cavity.

9. The clamping mechanism as recited in claim 1, wherein said fixed seat and said movable clamping assembly are mounted to a base plate.

10. The clamping mechanism as recited in claim 9, wherein said movable clamping assembly is mounted to said base plate by a support platform such that said ram is disposed opposite said clamping end of said fixed base.