CN210305810U

CN210305810U - Clamping jaw

Info

Publication number: CN210305810U
Application number: CN201921152585.3U
Authority: CN
Inventors: 高飞
Original assignee: Xinjiang Tiandian Electric Power Engineering Co ltd
Current assignee: Xinjiang Tiandian Electric Power Engineering Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-14
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a jack catch, which comprises a fixing piece, a contact piece and a first connecting piece; the contact piece penetrates through the first mounting hole in the height direction; the top surface of the fixing piece is provided with at least two second mounting holes which are arranged along the length direction of the fixing piece; the first connecting piece penetrates through the first mounting hole and the second mounting hole so that the contact piece can be detachably connected to the top surface of the fixing piece, the fixing piece is used for being connected with the chuck main body, and the contact piece is used for being in contact with a workpiece. Compared with the prior art, the clamping jaw is not required to be detached from the chuck by the scheme, the specification of the clamping jaw can be rapidly adjusted, and the working efficiency is improved.

Description

Clamping jaw

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a jack catch.

Background

In the industrial machinery industry, in particular the machine tool industry, the chuck, a key component, plays a very important role. The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body.

The existing clamping jaw can clamp workpieces of different specifications by using both ends of the clamping jaw. However, if workpieces of different specifications need to be machined, the jaws need to be frequently disassembled and assembled, and the machining efficiency of the chuck is reduced.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a jack catch to improve the machining efficiency of chuck.

The utility model provides a clamping jaw, which comprises a fixing piece, a contact piece and a first connecting piece; the contact piece penetrates through the first mounting hole in the height direction; the top surface of the fixing piece is provided with at least two second mounting holes which are arranged along the length direction of the fixing piece; the first connecting piece penetrates through the first mounting hole and the second mounting hole so that the contact piece can be detachably connected to the top surface of the fixing piece, the fixing piece is used for being connected with the chuck main body, and the contact piece is used for being in contact with a workpiece.

Preferably, the top surface of the fixing piece is provided with a first guide groove along the length direction; and a guide block is arranged on the contact element in a penetrating manner and is in sliding fit with the first guide groove.

Preferably, the inner wall of the first guide groove is provided with a limit groove, and the limit groove extends along the length direction of the first guide groove; the guide block is provided with a limiting block, the limiting block is in sliding connection with the limiting groove, and the limiting block is used for being matched with the limiting groove to limit the contact piece to move relative to the fixing piece along the height direction.

Preferably, the first end of the first guide groove is located at the end of the fixing part and forms an opening, the second end of the first guide groove is located between the two ends of the fixing part, and a buffer part is arranged at the second end of the first guide groove.

Preferably, the front end surface and the rear end surface of the contact element are frosted surfaces, and the frosted surfaces are used for being in contact with the workpiece.

The clamping jaw is preferably provided with a pull ring on the rear end face of the fixing part.

Preferably, the fixing piece is arranged in a sliding groove of the chuck main body in a penetrating manner and is in sliding fit with the sliding groove, the clamping jaw further comprises a fitting piece and a second connecting piece, the fitting piece is located on the bottom surface of the fixing piece, and a convex tooth is arranged at the bottom of the fitting piece and is used for being matched with a chuck wire disc of the chuck main body; the fitting piece is provided with a plurality of third mounting holes, the third mounting holes correspond to the second mounting holes in a one-to-one mode, the first connecting piece penetrates through the first mounting holes, the second mounting holes and the third mounting holes so that the contact piece, the fixing piece and the fitting piece can be detachably connected, and the second connecting piece penetrates through the second mounting holes and the third mounting holes so that the fixing piece and the fitting piece can be detachably connected.

The clamping jaw is preferably provided with a first connecting piece and a second connecting piece which are both bolts, the third mounting hole is a threaded hole, and the bolts are in threaded fit with the threaded hole.

Preferably, the bottom surface of the fixing piece is provided with a positioning groove; the top surface of the matching piece is provided with a positioning block, and the positioning block is connected with the positioning groove in a clamping manner, so that the fixing piece and the matching piece are positioned in the clamping manner.

The clamping jaw is preferably, the positioning groove and the positioning block are both in a cross shape.

The embodiment of the utility model provides an in the jack catch, can be with the mounting and this body coupling of chuck of a plurality of jack catches when using to make a plurality of jack catches set up on the chuck body along the circumference interval of chuck body, later can hold the work piece card between the contact piece of a plurality of jack catches, make work piece and chuck body relative positioning. In addition, the contact piece is connected to the second mounting holes of the fixing piece through the first connecting piece to adjust the relative positions of the contact piece and the fixing piece, so that the relative positions of the contact pieces of the plurality of clamping jaws are adjusted, the plurality of clamping jaws can clamp workpieces of different specifications, therefore, the chuck can process workpieces of different specifications without frequent disassembly and assembly, the operation difficulty is reduced, and the chuck machining efficiency is improved.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 is a schematic view of an overall structure of a jaw according to an embodiment of the present invention;

fig. 2 is an exploded view of a structure of a jaw according to an embodiment of the present invention.

In the figure: 1. a contact member; 11. a first mounting hole; 12. sanding surface; 13. a guide block; 14. a limiting block; 2. a fixing member; 21. a second mounting hole; 22. a first guide groove; 23. a limiting groove; 24. a second guide groove; 25. positioning a groove; 251. a first positioning groove; 252. a second positioning groove; 26. a buffer member; 3. a first connecting member; 4. a pull ring; 5. a mating member; 51. a third mounting hole; 52. positioning blocks; 521. a first positioning block; 522. a second positioning block; 6. a second connecting member.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic view of an overall structure of a jaw according to an embodiment of the present invention, and fig. 2 is an exploded view of a structure of a jaw according to an embodiment of the present invention, as shown in fig. 1 and fig. 2.

The utility model provides a jack catch, which comprises a fixing piece 2, a contact piece 1 and a first connecting piece 3; a first mounting hole 11 penetrating the contact 1 in the height direction; the top surface of the fixing piece 2 is provided with at least two second mounting holes 21, and the at least two second mounting holes 21 are arranged along the length direction of the fixing piece 2; the first connecting member 3 is inserted into the first mounting hole 11 and the second mounting hole 21 so that the contact member 1 is detachably attached to the top surface of the fixing member 2, the fixing member 2 is used for being attached to the chuck body, and the contact member 1 is used for being in contact with the workpiece.

The jaws in this embodiment can connect the fixing members 2 of the jaws with the chuck body when in use, so that the jaws are arranged on the chuck body at intervals along the circumferential direction of the chuck body, and then a workpiece can be clamped between the contact members 1 of the jaws, so that the workpiece and the chuck body are positioned relatively. In addition, the relative position of the contact element 1 and the fixing element 2 can be adjusted by connecting the contact element 1 to different second mounting holes 21 of the fixing element 2 through the first connecting element 3, so that the relative position between the contact elements 1 of the plurality of clamping jaws can be adjusted, the workpieces of different specifications can be clamped by the plurality of clamping jaws, and therefore the workpieces of different specifications can be machined by disassembling and assembling the clamping jaws of the chuck, the operation difficulty is reduced, and the machining efficiency of the chuck is improved.

Preferably, the contact 1 and the fixing member 2 are each preferably rectangular parallelepiped in the present embodiment, and the contact 1 and the fixing member 2 are mounted perpendicular to each other. Both ends of the first mounting hole 11 penetrate the upper and lower end surfaces of the contact 1, respectively. The number of the second mounting holes 21 in this embodiment is preferably five (although other numbers may be provided), and the size of the caliber thereof coincides with the size of the caliber of the first mounting hole 11. The five second mounting holes 21 are arranged on the fixing member 2 at equal intervals along the length direction of the fixing member 2, and the upper and lower ends of the five second mounting holes 21 penetrate the upper and lower end surfaces of the fixing member 2.

During installation, the bottom surface of the contact element 1 is abutted against the top surface of the fixing element 2, the first installation hole 11 on the contact element 1 is aligned to any second installation hole 21 in the fixing element 2, and then the first connecting element 3 is sequentially penetrated through the first installation hole 11 on the contact element 1 and the second installation hole 21 on the fixing element 2, so that the contact element 1 and the fixing element 2 are relatively fixed.

When the workpieces of other specifications need to be processed, the first connecting piece 3 is detached, so that the contact element 1 and the fixing piece 2 are separated from each other, the first mounting hole 11 in the contact element 1 is aligned to other second mounting holes 21 in the fixing piece 2, the contact element 1 and the fixing piece 2 are fixed through the first connecting piece 3, the workpieces of different specifications are adapted, the specifications of the clamping jaws can be quickly adjusted according to the scheme, so that the working efficiency of the clamping jaws of the chuck is improved.

In this embodiment, it is preferable that both front and rear end surfaces of the contact element 1 are frosted surfaces 12, and the frosted surfaces 12 are used for contacting with the workpiece.

The embodiment of the utility model provides an in the embodiment, the frosting 12 be provided with and do benefit to and step up the work piece. By setting the front and rear end surfaces of the contact element 1 as the frosted surfaces 12, when the frosted surface 12 on one surface is insufficient for clamping a workpiece after long-term use, the contact element 1 can be taken out and the other frosted surface 12 is used for replacing the current frosted surface 12, so that the use rate of the clamping jaws is improved.

In this embodiment, it is preferable that the top surface of the fixing member 2 is provided with a first guide groove 22 along the length direction; the contact element 1 is provided with a guide block 13, and the guide block 13 is arranged in the first guide groove 22 in a penetrating way and is in sliding fit with the first guide groove 22. Therefore, the fixing piece 2 and the contact piece 1 can be connected more stably by the guide block 13 penetrating into the first guide groove 22, and when the relative position between the contact piece 1 and the fixing piece 2 needs to be adjusted, the contact piece 1 can slide along the first guide groove 22 through the guide block 13, so that the relative position between the contact piece 1 and the fixing piece 2 can be adjusted more conveniently. Preferably, the number of the first guide grooves 22 is two, and both are located on the top surface of the fixing member 2. Accordingly, the number of the guide blocks 13 is also two, and both are fixed to the bottom surface of the contact 1 so as to be slidably fitted in the corresponding first guide grooves 22. By providing the first guide groove 22 and the guide block 13, the mounting speed and the mounting stability between the contact 1 and the fixed member 2 can be improved.

In this embodiment, it is preferable that a first end of the first guide groove 22 is located at an end of the fixed member 2 to form an opening, a second end of the first guide groove 22 is located between both ends of the fixed member 2, and a buffer member 26 is provided at a second end of the first guide groove 22. When the contact element 1 slides to the second end of the first guide groove 22 along the first guide groove 22 through the guide block 13, the contact element can be contacted with the buffer element 26, so that the buffer element 26 has a buffer effect, the impact between the contact element 1 and the fixing element 2 is relieved, and the service life of the claw is prolonged.

The buffer 26 may be a rubber pad, a spring, or the like, and in this embodiment, the buffer 26 is preferably a rubber pad fixed to an end surface of the second end of the first guide groove 22.

In this embodiment, preferably, the inner wall of the first guide groove 22 is provided with a limiting groove 23, and the limiting groove 23 extends along the length direction of the first guide groove 22; the guide block 13 is provided with a limiting block 14, the limiting block 14 is slidably connected with the limiting groove 23, and the limiting block 14 is used for matching with the limiting groove 23 to limit the contact element 1 to move relative to the fixing element 2 along the height direction. Therefore, when the contact element 1 slides along the first guide groove 22 through the guide block 13, the limit block 14 can slide along the limit groove 23, and under the matching action of the limit block 14 and the limit groove 23, the contact element 1 can be prevented from moving relative to the fixing element 2 in the height direction and being separated from the first guide groove 22, so that the stability of the contact element 1 sliding along the first guide groove 22 is improved.

Preferably, two limiting grooves 23 are formed in each first guide groove 22, and the two limiting grooves 23 are located on the side surfaces of the first guide groove 22. Accordingly, the stopper 14 is fixed to the opposite surfaces of the two guide blocks 13 to slidably fit the stopper groove 23. By arranging the limiting groove 23 and the limiting block 14, the contact element 1 cannot move along the height direction of the contact element 1 in the transverse moving process of the contact element 1 on the fixing element 2, and the connection stability of the contact element 1 and the fixing element 2 is improved.

In this embodiment, it is preferable that a pull ring 4 is provided on the rear end surface of the fixing member 2.

The embodiment of the utility model provides an in the jack catch, through set up pull ring 4 on the rear end face at mounting 2, when needs shift out the jack catch from the chuck main part, pull ring 4 is outwards dragged to usable hand or instrument, can take out the jack catch from the chuck main part fast.

In this embodiment, preferably, the fixing element 2 is configured to penetrate through a sliding slot of the chuck body and to be in sliding fit with the sliding slot, the jaw further includes a fitting element 5 and a second connecting element 6, the fitting element 5 is located at a bottom surface of the fixing element 2, and a protruding tooth is arranged at a bottom of the fitting element 5 and is configured to be in fit with a chuck screw plate of the chuck body; the fitting piece 5 is provided with a plurality of third mounting holes 51, the third mounting holes 51 correspond to the second mounting holes 21 one by one, the first connecting piece 3 penetrates through the first mounting holes 11, the second mounting holes 21 and the third mounting holes 51 to enable the contact piece 1, the fixing piece 2 and the fitting piece 5 to be detachably connected, and the second connecting piece 6 penetrates through the second mounting holes 21 and the third mounting holes 51 to enable the fixing piece 2 and the fitting piece 5 to be detachably connected. From this, when the jack catch was installed on the chuck body, the dogtooth of fitting piece 5 bottom can cooperate with the chuck silk dish of chuck main part, can be to the dogtooth application of force when the chuck silk dish is rotatory to make mounting 2 remove along the spout of chuck main part, thereby adjust the relative position of a plurality of jack catches, make the jack catch press from both sides tight work piece.

Preferably, the fitting member 5 is substantially square, and the plurality of teeth are provided and arranged at intervals along the length direction of the fitting member 5. In the present embodiment, the number of the third mounting holes 51 is set to five, and corresponds to the second mounting holes 21 one on top of the other. The number of the second link 6 may be provided in plural, and in the present embodiment, the number of the second links 6 is preferably 3.

When mounting, the first connecting member 3 is inserted into the first mounting hole 11, the second mounting hole 21, and the third mounting hole 51 in this order, thereby fixing the fixing member 2, the contact member 1, and the mating member 5 to each other. The three second connecting members 6 are sequentially inserted into the second mounting holes 21 and the third mounting holes 51, so that the fixing member 2 and the fitting member 5 are fixed to each other, and the effect of further reinforcing the fixing member 1 and the fitting member 5 is achieved.

In this embodiment, preferably, the first connecting member 3 and the second connecting member 6 are both bolts, and the third mounting hole 51 is a threaded hole, and the bolts are in threaded fit with the threaded hole. Thereby, the fixing member 2, the contact member 1 and the mating member 5 are easily attached and detached.

Preferably, the bolt is a T-shaped bolt, and correspondingly, the first mounting hole 11 and the second mounting hole 21 are both T-shaped mounting holes. The first connecting piece 3 and the second connecting piece 6 are both in threaded connection with the third mounting hole.

Further, second guide grooves 24 are provided on both side surfaces of the fixing member 2, the longitudinal direction of the second guide grooves 24 coincides with the longitudinal direction of the fixing member 2, and both ends of the second guide grooves 24 penetrate both end surfaces of the fixing member 2. The second guide groove 24 is adapted to slidably engage with a guide member in the slide groove of the chuck body, so that the fixing member 2 can more stably slide along the slide groove.

In this embodiment, preferably, the bottom surface of the fixing member 2 is provided with a positioning groove 25; the top surface of the fitting piece 5 is provided with a positioning block 52, and the positioning block 52 is connected with the positioning groove 25 in a clamping way, so that the fixing piece 2 and the fitting piece 5 are clamped and positioned. From this, do benefit to the stability that improves messenger's mounting 2 and fitting piece 5 and connect to can make mounting 2 and fitting piece 5 prepositioning, ensure third mounting hole 51 and second mounting hole 21 one-to-one, make things convenient for wearing to establish of first connecting piece 3 and second connecting piece 6.

In this embodiment, the positioning slot 25 and the positioning block 52 are preferably in a cross shape. Thereby, the fixing member 2 and the fitting member 5 can be positioned in both the length and width directions, and the stability of the connection of the fixing member 2 and the fitting member 5 is further improved.

Preferably, the positioning groove 25 includes a first positioning groove 251 and a second positioning groove 252, the length direction of the first positioning groove 251 is identical to the length direction of the fixing member 2, and both ends of the first positioning groove 251 penetrate both end surfaces of the fixing member 2. The second positioning groove 252 is perpendicular to the first positioning groove 251 and is located at the middle of the fixing member 2, and both ends of the second positioning groove 252 penetrate both side surfaces of the fixing member 2, thereby forming the positioning groove 25 in a cross shape. The positioning block 52 includes a first positioning block 521 and a second positioning block 522, and the first positioning block 521 and the second positioning block 522 are perpendicular to each other, thereby constituting the positioning block 52 forming a cross shape. The first positioning block 521 corresponds to the first positioning groove 251, and the second positioning block 522 corresponds to the second positioning groove 252.

The integral installation process comprises the following steps:

firstly, the fixing element 2 and the fitting element 5 are spliced, then the contact element 1 is slid to the upper side of the fixing element 2, the first mounting hole 11 is aligned to any one of the second mounting holes 21, then the first mounting hole 11, the second mounting hole 21 and the third mounting hole 51 are sequentially penetrated and arranged through the first connecting element 3 so as to mutually fix the contact element 1, the fixing element 2 and the fitting element 5, and finally the second mounting hole 21 and the third mounting hole 51 are sequentially penetrated and arranged through the second connecting element 6 so as to further fix the fixing element 2 and the fitting element 5.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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

Claims

1. A jaw, characterized in that: comprises a fixed part (2), a contact part (1) and a first connecting part (3); a first mounting hole (11) penetrates through the contact piece (1) along the height direction; the top surface of the fixing piece (2) is provided with at least two second mounting holes (21), and the at least two second mounting holes (21) are arranged in a row along the length direction of the fixing piece (2); the first connecting piece (3) penetrates through the first mounting hole (11) and the second mounting hole (21) so that the contact piece (1) can be detachably connected to the top surface of the fixing piece (2), the fixing piece (2) is used for being connected with the chuck body, and the contact piece (1) is used for being in contact with a workpiece.

2. The pawl according to claim 1, wherein: a first guide groove (22) is formed in the top surface of the fixing piece (2) along the length direction; and a guide block (13) is arranged on the contact element (1), and the guide block (13) is arranged in the first guide groove (22) in a penetrating manner and is in sliding fit with the first guide groove (22).

3. The pawl according to claim 2, wherein: a limiting groove (23) is formed in the inner wall of the first guide groove (22), and the limiting groove (23) extends along the length direction of the first guide groove (22); be equipped with stopper (14) on guide block (13), stopper (14) with spacing groove (23) sliding connection, stopper (14) be used for with spacing groove (23) cooperation is in order to restrict contact piece (1) move along the direction of height for mounting (2).

4. The pawl according to claim 2, wherein: the first end of first guide way (22) is located the tip of mounting (2) and forms the opening, the second end of first guide way (22) is located between the both ends of mounting (2), the second end of first guide way (22) is equipped with bolster (26).

5. The pawl according to any one of claims 1 to 4, wherein: the front end surface and the rear end surface of the contact element (1) are both frosted surfaces (12), and the frosted surfaces (12) are used for being in contact with the workpiece.

6. The pawl according to claim 1, wherein: and a pull ring (4) is arranged on the rear end face of the fixing piece (2).

7. The pawl according to claim 1, wherein: the clamping jaw is characterized in that the fixing piece (2) is used for penetrating through a sliding groove of the chuck main body and is in sliding fit with the sliding groove, the clamping jaw further comprises a matching piece (5) and a second connecting piece (6), the matching piece (5) is located on the bottom surface of the fixing piece (2), and a convex tooth is arranged at the bottom of the matching piece (5) and is used for being matched with a chuck wire disc of the chuck main body; a plurality of third mounting holes (51) are formed in the fitting piece (5), the third mounting holes (51) correspond to the second mounting holes (21) in a one-to-one mode, the first connecting piece (3) penetrates through the first mounting holes (11), the second mounting holes (21) and the third mounting holes (51) to enable the contact piece (1), the fixing piece (2) and the fitting piece (5) to be detachably connected, and the second connecting piece (6) penetrates through the second mounting holes (21) and the third mounting holes (51) to enable the fixing piece (2) and the fitting piece (5) to be detachably connected.

8. A jaw according to claim 7, characterized in that the first (3) and second (6) attachment members are bolts and the third mounting holes (51) are threaded holes, the bolts being in threaded engagement with the threaded holes.

9. The pawl according to claim 7, wherein: the bottom surface of the fixing piece (2) is provided with a positioning groove (25); the top surface of the fitting piece (5) is provided with a positioning block (52), and the positioning block (52) is connected with the positioning groove (25) in a clamping manner, so that the fixing piece (2) and the fitting piece (5) are positioned in a clamping manner.

10. The pawl according to claim 9, wherein: the positioning groove (25) and the positioning block (52) are both in a cross shape.