CN215588474U

CN215588474U - Clamping device

Info

Publication number: CN215588474U
Application number: CN202120973623.2U
Authority: CN
Inventors: 刘扶东; 胡述明; 连胜友; 白勇; 付文峰; 李浩强; 王岩
Original assignee: Fu Tai Hua Precision Electronic Zhengzhou Co Ltd
Current assignee: Fulian Precision Electronics Zhengzhou Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-21
Anticipated expiration: 2031-05-08

Abstract

The application provides a clamping device, which is used for clamping a workpiece, wherein the workpiece is provided with a convex part and comprises a mounting seat, a clamping component and a cover plate; the clamping component comprises a bottom plate and a fixing piece, and the bottom plate is arranged on the mounting seat; the fixing part is arranged on one side of the bottom plate, which is far away from the mounting seat, a clamping part is arranged on the fixing part in a protruding mode, the clamping part comprises a first clamping groove which penetrates through two opposite side faces of the clamping part, and the first clamping groove is used for clamping the protruding part of the workpiece; the cover plate is arranged on one side, away from the bottom plate, of the fixing piece and used for pressing the protruding portion of the workpiece downwards. The clamping device is stable in clamping the frame-shaped workpiece, and the frame-shaped workpiece is not prone to being mistakenly cut on the frame-shaped workpiece to cause the defect of the frame-shaped workpiece.

Description

Clamping device

Technical Field

The application relates to the technical field of workpiece machining, in particular to a clamping device.

Background

At present, after some frame-shaped workpieces are machined, waste materials on the inner side surfaces of the frame-shaped workpieces need to be cut off. In the prior art, a frame-shaped workpiece is usually directly placed on a jig base, a cover plate is used for pressing waste materials on the workpiece so as to fix the workpiece, and then the waste materials are cut off by using a cutter such as a saw blade. However, in this method, the frame-shaped workpiece is easily loosened during the scrap cutting, and the frame-shaped workpiece is easily mistakenly cut on the frame-shaped workpiece, resulting in a defect of the frame-shaped workpiece.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a clamping device to solve the above problems.

The embodiment of the application provides a clamping device, which is used for clamping a workpiece, wherein a protruding part is arranged on the workpiece and comprises an installation seat, a clamping component and a cover plate;

the clamping component comprises a bottom plate and a fixing piece, and the bottom plate is arranged on the mounting seat; the fixing part is arranged on one side of the bottom plate, which is far away from the mounting seat, a clamping part is arranged on the fixing part in a protruding mode, the clamping part comprises a first clamping groove which penetrates through two opposite side faces of the clamping part, and the first clamping groove is used for clamping the protruding part of the workpiece;

the cover plate is arranged on one side, away from the bottom plate, of the fixing piece and used for pressing the protruding portion of the workpiece downwards.

In some embodiments, the mounting seat is provided with a guide member, the bottom plate is provided with a guide hole at a position corresponding to the guide member, and the guide member is inserted into the guide hole to guide the mounting of the bottom plate.

In some embodiments, the mounting seat and the bottom plate are provided with connecting holes communicated with each other, and the clamping device further comprises:

the connecting pieces are sequentially inserted into the connecting holes of the bottom plate and the mounting seat so as to connect the bottom plate and the mounting seat together.

In some embodiments, at least one side of the bottom plate is convexly provided with a spacing part, and a spacing groove is arranged on the spacing part to perform spacing for processing the workpiece.

In some embodiments, a second clamping groove is formed in one side of the cover plate facing the fixing member, and the second clamping groove is arranged corresponding to the first clamping groove and used for clamping the projection of the workpiece.

In some embodiments, the groove edge of the second retaining groove and the groove edge of the first retaining groove near the second retaining groove are chamfered, the groove chamfer ranging from 27 ° to 33 °.

In some embodiments, an avoidance groove is formed at a corner of one side of the cover plate facing the fixing piece.

In some embodiments, the clamping device further comprises a driving member and a locking member, the driving member is arranged on the mounting seat and connected with the locking member, the driving member is used for driving the locking member to sequentially pass through the mounting seat, the bottom plate, the fixing member and the cover plate, and the driving member is also used for driving the locking member to rotate so as to lock the cover plate.

In some embodiments, the locking member includes a locking bar and a locking head, and the two ends of the locking bar are connected to the driving member and the locking head, respectively.

In some embodiments, the mount includes a mounting plate, two support plates, and a base plate mounted on the mounting plate by the two support plates.

The clamping device clamps the protruding part of the workpiece through the first clamping groove in the fixing part, the cover plate is arranged on one side of the fixing part, which is far away from the bottom plate, then the driving part drives the locking part to sequentially pass through the bottom plate, the fixing part and the cover plate, and then the locking part is driven to rotate to lock the cover plate, so that the cover plate compresses the protruding part on the workpiece, and the workpiece is clamped and fixed. Compared with the prior art, the clamping device is stable in clamping the workpiece, and the workpiece is not prone to being mistakenly cut on the workpiece and is poor.

Drawings

Fig. 1 is a schematic perspective view of a clamping device according to an embodiment of the present application.

Fig. 2 is a schematic perspective exploded view of a clamping device according to an embodiment of the present application.

Fig. 3 is a perspective view of the base plate of fig. 2.

Fig. 4 is a perspective view of the fixing member of fig. 2.

Fig. 5 is a perspective view of the cover plate of fig. 2.

Description of the main elements

Clamping device 100

Mounting base 10

Mounting plate 11

Screw hole 111

Bolts 112, 133

Supporting plate 12

Substrate 13

Connecting part 131

Bearing part 132

Guide 134

Support 135

Base plate 20

Guide hole 21

Connecting hole 22

Connecting piece 23

Avoiding part 24

Avoiding groove 25

Fixing member 30

First catching groove 31

Retaining part 32

Cover plate 40

Second catching groove 41

Avoidance groove 42

Handle 43

Locking hole 44

Driving member 50

Retaining member 60

Locking lever 62

Locking head 64

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1, the present embodiment provides a clamping device 100 for clamping and fixing a workpiece (not shown) so that a machining device, such as a CNC machine, can machine the clamped workpiece. The workpiece is provided with a convex part, the clamping device 100 can clamp and fix the convex part of the workpiece, so that the workpiece can be clamped and fixed, the convex part can be a BOSS column and can also be of other convex structures, wherein the BOSS column is a columnar solid structure on the workpiece and mainly plays a role in fastening, mounting or supporting and positioning of the self-tapping screw.

As shown in FIG. 1, the clamping device 100 includes a mounting base 10, a clamping assembly composed of a base plate 20 and a fixing member 30, a cover plate 40, a driving member 50 and a locking member 60.

The mounting seat 10 can be vertically arranged on the processing platform to play a supporting role. The bottom plate 20 is disposed on the mounting base 10 and is used for carrying the fixing member 30. The fixing member 30 is disposed on one side of the bottom plate 20 away from the mounting seat 10, and the fixing member 30 is convexly provided with a clamping portion 32, the clamping portion 32 includes a first clamping groove 31 penetrating through two opposite side surfaces of the clamping portion, and the first clamping groove is used for clamping a protruding portion of a workpiece, so that the hidden danger of scratching the workpiece can be reduced, and the protection and guide effects are achieved. The cover plate 40 is provided on a side of the fixture 30 facing away from the base plate 20 for pressing the projection of the workpiece downward. The driving member 50 is disposed on the mounting seat 10 and connected to the locking member 60, and is used for driving the locking member 60 to sequentially pass through the mounting seat 10, the bottom plate 20, the fixing member 30 and the cover plate 40. The driving member 50 is further used to drive the locking member 60 to rotate to lock the cover 40, thereby pressing the cover 40 down against the convex portion of the workpiece.

The operation of the above-described clamping device 100 is:

the mounting seat 10 is vertically arranged on the processing platform, the bottom plate 20 and the fixing member 30 are sequentially mounted on the mounting seat 10, then the protruding part of the workpiece is clamped in the first clamping groove 31 of the fixing member 30, the cover plate 40 is placed on the fixing member 30, the driving member 50 drives the locking member 60 to sequentially penetrate through the mounting seat 10, the bottom plate 20, the fixing member 30 and the cover plate 40, and then the locking member 60 is further driven to rotate to lock the cover plate 40, so that the cover plate 40 downwards presses the protruding part of the workpiece, and the workpiece is clamped and fixed.

Referring to fig. 2, the mounting base 10 includes a mounting plate 11, two supporting plates 12 and a substrate 13, wherein the substrate 13 is fixedly mounted on the mounting plate 11 through the two supporting plates 12 to support the bottom plate 20.

The mounting plate 11 is rectangular. The mounting plate 11 has a plurality of threaded holes 111 at its corners, and the mounting plate 11 can be fixed on a processing platform (e.g., a CNC machine) by bolts 112. It will be appreciated that in other embodiments, the mounting plate 11 may have other shapes and may be fixedly mounted on the processing platform.

The support plate 12 is substantially rectangular. Two support plates 12 are spaced apart and vertically disposed on the mounting plate 11. In the present embodiment, the support plate 12 and the mounting plate 11 are integrally formed. It will be appreciated that in other embodiments, the support plate 12 and the mounting plate 11 are removable structures, such as the support plate 12 and the mounting plate 11 are removably attached by bolts.

The base plate 13 is disposed parallel to the mounting plate 11 and is mounted at one end of the two support plates 12 away from the mounting plate 11. The base plate 13 includes a connecting portion 131 and a bearing portion 132, the connecting portion 131 is substantially rectangular and detachably connected to the two support plates 12 by bolts 133; the bearing portion 132 is substantially rectangular, the bearing portion 132 is disposed on a side of the connecting portion 131 facing away from the support plate 12 for bearing the bottom plate 20, wherein the size of the bearing portion 132 is smaller than that of the connecting portion 131.

In some embodiments, the bearing portion 132 of the mounting base 10 is provided with a guide 134, the bottom plate 20 is provided with a guide hole 21 at a position corresponding to the guide 134, and when the bottom plate 20 is disposed on the bearing portion 132 of the mounting base 10, the guide 134 can be inserted into the guide hole 21 to guide the bottom plate 20, so as to prevent the bottom plate 20 from shaking during the clamping process. In this embodiment, the guide 134 is a guide pin.

The supporting portion 132 of the mounting base 10 is further provided with a plurality of supporting members 135, and when the bottom plate 20 is disposed on the supporting portion 132 of the mounting base 10, the bottom plate 20 is supported by the plurality of supporting members 135, so that the bottom plate 20 can be conveniently detached.

The base plate 20 is substantially rectangular for supporting the fixing member 30. In some embodiments, the bottom plate 20 and the bearing portion 132 of the mounting seat 10 are respectively provided with corresponding connecting holes 22, and the clamping device 100 further includes a connecting member 23, wherein the connecting member 23 is used for fixing the bottom plate 20 on the substrate 13 after the bottom plate 20 is positioned. Specifically, the connecting member 23 is sequentially inserted into the connecting holes 22 of the base plate 20 and the mount base 10 to connect the base plate 20 and the mount base 10 together. It can be understood that the installation accuracy of the base plate 20 and the installation base 10 is higher under the guiding action of the guiding members 134. Illustratively, in the present embodiment, the connection hole 22 is a threaded hole, and the connection member 23 is a bolt 112.

In some embodiments, referring to fig. 3, at least one side of the bottom plate 20 is convexly provided with a spacing portion 24, the spacing portion 24 is formed by protruding the middle portion of the edge of the bottom plate 20, and two opposite sides of the spacing portion 24 are provided with spacing grooves 25 for spacing the frame-shaped workpiece during processing (e.g., cutting). In the present embodiment, two spacing portions 24 are provided on opposite sides of the bottom plate 20, and it is understood that the number of spacing portions 24 and the shape of the spacing grooves 25 may be set according to actual needs, and are not particularly limited herein.

Referring to fig. 4, the fixing member 30 is a frame-shaped structure, and the size of the fixing member 30 is smaller than that of the bottom plate 20. Illustratively, in the present embodiment, the workpiece is frame-shaped, and the inner side of the frame-shaped workpiece is provided with 9 protrusions along the circumference. The peripheral side of the fixing member 30 and the positions corresponding to the 9 protrusions are respectively provided with a plurality of holding portions 32, and each holding portion 32 comprises a first holding groove 31 penetrating through the two opposite side surfaces of the holding portion to hold the protrusion. When the workpiece is sleeved on the periphery of the fixing member 30, the protruding portion of the workpiece can be clamped in the first clamping groove 31, so that the protruding portion of the workpiece can be processed after clamping.

Referring to fig. 5, a second holding groove 41 is formed on a side of the cover plate 40 facing the fixing member 30, and the second holding groove 41 is disposed corresponding to the first holding groove 31 for receiving the protrusion to hold the protrusion in the second holding groove 41. It can be understood that when the workpiece is sleeved on the peripheral side of the fixing member 30, a part of the projection of the workpiece is retained in the first retaining groove 31, and another part of the projection is retained in the second retaining groove 41.

In some embodiments, the chamfer angle of the groove edge of the second retaining groove 41 and the groove edge of the first retaining groove 31 close to the second retaining groove 41 is greater than or equal to 27 ° and less than or equal to 33 °, and the chamfer angle can play a certain guiding role when a workpiece is installed, so that the workpiece is conveniently installed. In the present embodiment, the groove edge of the second retaining groove 41 and the groove edge of the first retaining groove 31 adjacent to the second retaining groove 41 are chamfered, and the groove chamfer ranges from 27 ° to 33 °, and preferably 30 °.

In some embodiments, an avoiding groove 42 is formed at a corner of the cover plate 40 facing the fixing member 30 to increase the clamping force on the workpiece.

In some embodiments, a handle 43 is further provided on a side of the cover plate 40 facing away from the fixing member 30, and the handle 43 is a block structure to facilitate the access of the cover plate 40.

In some embodiments, the base 13, the mounting plate 11 and the cover 40 respectively include a locking hole 44 penetrating through two opposite sides, the locking hole 44 is a long hole, please refer to fig. 2, the locking member 60 includes a locking rod 62 and a locking head 64, two ends of the locking rod 62 are respectively connected to the driving member 50 and the locking head 64, when the driving member 50 drives the locking rod 62 to rotate to the first position, the locking head 64 is driven by the locking rod 62 to sequentially pass through the connecting portion 131 of the mounting seat 10, the bearing portion 132, the bottom plate 20 and the locking hole 44 of the cover 40, and when the driving member 50 drives the locking rod 62 to rotate to the second position, the locking head 64 is driven to be clamped at the locking hole 44 to lock the cover 40. The length of the locking hole 44 is greater than the length of the locking head 64 and the width of the locking hole 44 is less than the width of the locking head 64 so that the locking head can hold the cover 40 and the cover 40 can press the protrusions on the workpiece.

The driving member 50 is fixed between the two support plates. In this embodiment, the driving member 50 is a combination of a cylinder and a motor, the motor is connected to the cylinder for controlling the cylinder to rotate, and the cylinder is connected to the locking rod 62 for controlling the locking rod 62 to extend and retract.

The implementation process of the embodiment is as follows: firstly, the workpiece is sleeved on the fixing member 30, and the convex part on the workpiece is clamped in the first clamping groove 31; then aligning the guide hole 21 of the bottom plate 20 with the guide piece 134 on the bearing part 132, installing the bottom plate 20 on the installation seat 10, and then sequentially inserting the connecting pieces 23 into the connecting holes 22 of the bottom plate 20 and the installation seat 10 to connect the bottom plate 20 and the installation seat 10 together; then, the fixing member 30 is installed on one side of the base plate 20, and the cover plate 40 is covered by the handle 43, so that the second holding groove 41 of the cover plate 40 holds the protruding part of the workpiece, and the protruding part is held in the second holding groove 41; finally, when the driving member 50 drives the locking rod 62 to rotate to the first position, the locking head 64 can sequentially pass through the connecting portion 131, the carrying portion 132, the bottom plate 20 and the locking hole 44 of the cover plate 40 of the mounting seat 10, and when the driving member 50 drives the locking rod 62 to rotate to the second position, the locking head 64 is clamped at the locking hole 44 to lock the cover plate 40, so that the cover plate 40 presses the protruding portion of the workpiece, thereby clamping the workpiece.

The clamping device 100 clamps the protrusion of the workpiece through the first clamping groove 31 of the fixing member 30, and mounts the cover plate 40 on the side of the fixing member 30 away from the base plate 20, and then the driving member 50 drives the locking member 60 to sequentially pass through the base plate 20, the fixing member 30 and the cover plate 40, and then drives the locking member 60 to rotate to lock the cover plate 40, so that the cover plate 40 further compresses the protrusion of the workpiece on the fixing member 30. Compared with the prior art, the clamping device 100 provided by the application is stable in clamping the workpiece, and is not easy to mistakenly cut on the workpiece, so that the workpiece is not good.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A clamping device is used for clamping a workpiece, and a bulge is arranged on the workpiece;

2. The clamping device as claimed in claim 1, wherein the mounting base is provided with a guide member, the base plate is provided with a guide hole at a position corresponding to the guide member, and the guide member is inserted into the guide hole to guide the mounting of the base plate.

3. The clamping device of claim 1, wherein the mounting base and the bottom plate are provided with connecting holes communicating with each other, the clamping device further comprising:

4. The clamping device as claimed in claim 1, wherein at least one side of the bottom plate is provided with a raised space-avoiding portion, and the space-avoiding portion is provided with a space-avoiding groove for avoiding the processing of the workpiece.

5. The clamping device as claimed in claim 1, wherein a side of the cover plate facing the fixing member is provided with a second retaining groove, and the second retaining groove is provided corresponding to the first retaining groove for retaining the projection of the workpiece.

6. The clamping device as recited in claim 5, wherein the slot edge of said second retaining slot and the slot edge of said first retaining slot adjacent said second retaining slot are chamfered, said slot chamfers ranging from 27 ° to 33 °.

7. The clamping device as claimed in claim 1, wherein an escape groove is provided at a corner of a side of the cover plate facing the fixing member.

8. The clamping device as claimed in claim 1, further comprising a driving member and a locking member, wherein the driving member is disposed on the mounting base and connected to the locking member for driving the locking member to sequentially pass through the mounting base, the bottom plate, the fixing member and the cover plate, and the driving member is further configured to drive the locking member to rotate for locking the cover plate.

9. The clamp of claim 8, wherein the locking member includes a locking bar and a locking head, the locking bar being connected at each end to the drive member and the locking head, respectively.

10. The clamping device of claim 1, wherein the mounting base includes a mounting plate, two support plates, and a base plate, the base plate being mounted on the mounting plate by the two support plates.