CN216687107U

CN216687107U - Adjustable clamping jaw

Info

Publication number: CN216687107U
Application number: CN202123438820.3U
Authority: CN
Inventors: 杨刚
Original assignee: Chongqing Dengyang Co ltd
Current assignee: Chongqing Dengyang Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-07
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of mechanical hoisting, and particularly discloses an adjustable clamping jaw, which comprises a clamp holder, wherein the clamp holder comprises a first output end and a second output end, the first output end is connected with a first support, and the second output end is connected with a second support; the first support is provided with a connecting groove, the first output end is inserted into the connecting groove and connected with the first support, and the size of the connecting groove is larger than that of the first output end. By adopting the technical scheme provided by the utility model, the problem that the clamping angle of the object can not be adjusted according to the subsequent processing production requirement in the prior art can be solved. This scheme mainly used presss from both sides the clamp to the work piece and gets hoist and mount.

Description

Adjustable clamping jaw

Technical Field

The utility model relates to the technical field of mechanical hoisting, in particular to an adjustable clamping jaw.

Background

The hoisting refers to a general term of the installation and positioning of equipment by a hoisting mechanism, and various hoisting machines are used for hoisting the equipment, workpieces, appliances, materials and the like in the production and construction process so as to change the positions of the equipment, the workpieces, the appliances, the materials and the like. In people's production and processing process, the hoisting device often can adopt the clamping jaw to hoist circular pipeline or cylindric object, provides convenience for the installation and the transportation of circular pipeline or cylindric object in the production and processing.

When a circular pipeline or a cylindrical object such as a shaft part is machined, the circular pipeline or the cylindrical object is often required to be installed on a machining lathe according to a certain angle, so that subsequent machining operation can be smoothly and accurately performed. However, the existing clamping jaw is usually fixedly connected with the outer arm on the two clamping blocks of the pneumatic finger, the outer arm is driven by the pneumatic finger to clamp the workpiece, so that the workpiece clamping angle is often fixed, and the workpiece clamping angle can not be adjusted according to the requirements of a subsequent machining lathe on workpiece installation and machining angle, so that quick installation and accurate machining are realized. Therefore, the existing clamping jaw has certain limitation, is not beneficial to subsequent work progress, and needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable clamping jaw to solve the problem that the clamping angle of the adjustable clamping jaw to a workpiece cannot be adjusted according to the subsequent processing production requirement in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

an adjustable clamping jaw comprises a clamping device, wherein the clamping device comprises a first output end and a second output end, the first output end is connected with a first support, and the second output end is connected with a second support; the first support is provided with a connecting groove, the first output end is inserted into the connecting groove and connected with the first support, and the size of the connecting groove is larger than that of the first output end.

Technical principle and beneficial effect compared with the prior art:

when the technical scheme is adopted to clamp the workpiece, the workpiece is approximately in a horizontal state. The clamping angle of the workpiece is adjusted according to the requirement of subsequent processing production, namely the first output end is inserted into the connecting groove, and the size of the connecting groove is larger than that of the first output end, so that the angle of the first output end inserted into the connecting groove can be adjusted in a vertical plane, namely the installation angle of the first support on the first output end is adjusted in the vertical plane, and the angle is equivalent to the angle of inclination of the clamped workpiece in the vertical plane. After the installation angle of the first support on the first output end is adjusted, the second support is installed on the second output end, then the clamp holder is started, so that the clamp holder clamps, carries and installs the workpiece according to the adjusted angle, and the inclination angle of the clamped workpiece in the vertical plane meets the installation and processing requirements of a lathe.

This clamping jaw with adjustable compare in prior art: through set up the spread groove that the size is greater than first output on first support, adjust the inclination that first output inserted the spread groove in the vertical plane, promptly for adjusting the installation angle of first support on first output to adjust this adjustable clamping jaw and press from both sides the back with the work piece, the inclination of work piece in vertical plane, in order to satisfy processing, the production needs of follow-up lathe to the work piece, make the application scope of this adjustable clamping jaw wider, improve the practicality of this adjustable clamping jaw.

Furthermore, the connecting groove is a trapezoidal groove, the size of the upper bottom edge of the trapezoidal groove is matched with the size of the first output end, and the size of the lower bottom edge of the trapezoidal groove is larger than that of the upper bottom edge.

Has the advantages that: set up the spread groove into the dovetail groove, and the last base size in dovetail groove sets up to the size matching with first output, and the lower base size in dovetail groove is greater than last base size, then when adjusting the installation angle of first support on first output, can be the fulcrum with the contact department of the last base of dovetail groove and first output, swing the free end of first support for first output in vertical plane, satisfy needs until the installation angle of first support for first output, the installation convenience of first support can be improved to this scheme of adoption.

Furthermore, the first support comprises a first connecting piece, a first connecting hole is formed in the first output end, a first mounting hole is formed in the position, corresponding to the first connecting hole, of the first support, and the first connecting piece penetrates through the first mounting hole and is inserted into the first connecting hole to fixedly connect the first support with the first output end; first limiting holes are formed in two sides of the first support and communicated with the connecting grooves.

Has the advantages that: set up the first spacing hole with the U-shaped groove intercommunication in the both sides of first support, after first support is adjusted for the installation angle of first output, through twist the screw in first spacing downthehole with the swing angle of first support for first output injectly, pass first mounting hole again and insert in the first connecting hole with first connecting piece, realize the fixed connection to first support and first output, can avoid directly carrying out the rigid coupling to first support and first output through first connecting piece, first support changes for the swing angle of first output, this scheme of adoption is favorable to improving the installation accuracy of this adjustable clamping jaw, thereby guarantee subsequent centre gripping, installation procedure can go on in order according to expectation.

Furthermore, a first positioning block is arranged on one side, close to the second support, of the first support, a second positioning block is arranged on the position, corresponding to the first positioning block, of the second support, and the first positioning block and the second positioning block are matched to clamp the workpiece.

Has the advantages that: this scheme of adoption sets up first locating piece on first support, sets up the second locating piece on the second support, gets the work piece through first locating piece and second locating piece cooperation clamp, is favorable to improving this adjustable clamping jaw and gets the effect to the clamp of work piece, avoids the work piece to drop from the clamping jaw by the in-process of centre gripping transport.

Furthermore, first locating piece is the V-arrangement piece, and V-arrangement piece has the arch with first support connection side integrated into one piece, opens the recess along the horizontal direction on the first support, and the size and the bellied size phase-match of recess, the arch of V-arrangement piece insert in the recess with first support connection.

Has the advantages that: by adopting the scheme, the first positioning block is arranged into the V-shaped block, so that the clamping effect of the adjustable clamping jaw on round workpieces such as shafts, sleeves and discs is improved, the center line is convenient to determine when the round workpieces are clamped, and whether the inclination angle of the center line of the workpiece meets the subsequent installation and processing requirements is determined; when the V-shaped block is installed on the first support, the protrusion is inserted into the groove, and then the installation angle of the V-shaped block relative to the first support is adjusted in the horizontal plane according to the subsequent processing and production requirements, so that the rotation angle of the workpiece in the horizontal plane meets the installation and processing requirements of a lathe after the workpiece is clamped by the adjusting clamping jaw.

Furthermore, a second connecting hole is formed in the bulge, a second mounting hole is formed in the position, corresponding to the second connecting hole, of the first support, the first support comprises a second connecting piece, and the second connecting piece penetrates through the second mounting hole and is inserted into the second connecting hole to fixedly connect the V-shaped block with the first support; a plurality of second limiting holes are formed in the first support, and are uniformly distributed along the contact surface of the V-shaped block and the first support.

Has the advantages that: by adopting the scheme, the first support is provided with the plurality of second limiting holes, after the installation angle of the V-shaped block relative to the first support is adjusted, the installation angle of the V-shaped block relative to the first support can be gradually limited by screwing screws into the second limiting holes, and then the second connecting piece penetrates through the second installation hole and is inserted into the second connecting hole so as to fixedly connect the V-shaped block and the first support, so that the angle deflection of the V-shaped block relative to the first support in the fixedly connecting process can be effectively prevented, and the clamping angle of a workpiece is prevented from being error; the plurality of second limiting holes are uniformly distributed along the contact surface of the V-shaped block and the first support, so that the screws screwed into the second limiting holes can limit the position of the V-shaped block more uniformly, and the reliability of limiting the position of the V-shaped block can be improved.

Furthermore, the second positioning block is a positioning bolt, a connecting hole is formed in the second support, and the positioning bolt is in threaded connection with the connecting hole.

Has the advantages that: by adopting the scheme, the second positioning block is set as the positioning bolt, on one hand, the positioning bolt is in threaded connection with the connecting hole formed in the second support, so that the second positioning block can be more conveniently installed; on the other hand, the positioning bolt is matched with the V-shaped block to clamp the workpiece, the workpiece is in a three-point stress state in the clamping process, and the clamping stability of the clamping jaw on the workpiece can be improved.

Further, first connecting hole and second connecting hole are the screw hole, and first connecting piece and second connecting piece are the screw, and the size of first mounting hole is greater than the size of first connecting hole, and the size of second mounting hole is greater than the size of second connecting hole.

Has the advantages that: by adopting the scheme, the screw is screwed into the threaded connecting hole to fixedly connect each component, so that when each component is damaged in the use process, the damaged component can be disassembled and replaced, and the service life of the whole clamping jaw is prolonged; and set up the mounting hole into the size that is greater than the threaded connection hole, then the screw passes the mounting hole and twists the threaded connection hole again, can pass the mounting hole fast in the installation, is favorable to improving the installation effectiveness, and the mounting hole that the size is great can play certain guide effect to the wrong income of screw before the screw is twisted the connecting hole, further accelerates the installation rate.

Furthermore, the holder is a pneumatic finger, the first support is connected with a first clamping block of the pneumatic finger, and the second support is connected with a second clamping block of the pneumatic finger.

Has the beneficial effects that: by adopting the scheme, the pneumatic finger is used as the clamp holder, and firstly, the pneumatic device of the pneumatic finger is simple and light in structure, simple to install and maintain, low in pressure level of the pneumatic finger and safe in use; the working medium of the pneumatic finger is air existing in nature, so that the exhaust treatment is simple, the environment is not polluted, and the cost can be effectively reduced; thirdly, the output force and the working speed of the pneumatic finger can be easily adjusted, and the clamping force, the clamping speed and the like can be adjusted according to the type characteristics of the clamped workpiece. In addition, the pneumatic finger also has the advantages of high reliability, long service life and the like.

Further, the pneumatic finger is a Y-shaped clamping finger.

Has the advantages that: this scheme of adoption chooses the Y type in the pneumatic finger to press from both sides to indicate as the holder for use because two clamp splice that the Y type pressed from both sides the finger can remove simultaneously and automatic centering, can guarantee to press from both sides fast, the accurate clamp of work piece and get.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of an adjustable clamping jaw according to the utility model.

Fig. 2 is a schematic structural view of a pneumatic finger of an embodiment of an adjustable clamping jaw according to the present invention.

Fig. 3 is a schematic view of a combination structure of a front support and a V-block of an embodiment of an adjustable clamping jaw of the utility model.

Fig. 4 is a schematic front view of a front support of an embodiment of an adjustable clamping jaw according to the present invention.

FIG. 5 is a schematic diagram of a side view of a front support of an embodiment of an adjustable clamping jaw of the present invention

Fig. 6 is a rear view structural schematic diagram of a V-block of an embodiment of an adjustable clamping jaw of the present invention.

FIG. 7 is a schematic diagram of a side view of a V-block of an embodiment of an adjustable clamping jaw of the present invention

Fig. 8 is a front view of a rear support of an embodiment of an adjustable clamping jaw according to the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the pneumatic finger 1, the cylinder 11, the first clamping block 2, the first connecting hole 21, the second clamping block 3, the third connecting hole 31, the front support 4, the first connecting groove 41, the first mounting hole 42, the first limiting hole 43, the second mounting hole 44, the second limiting hole 45, the groove 46, the V-shaped block 5, the second connecting hole 51, the protrusion 52, the rear support 6, the second connecting groove 61, the third mounting hole 62, the fourth mounting hole 63 and the positioning bolt 7.

Examples are shown in figures 1 to 8:

an adjustable clamping jaw comprises a pneumatic finger 1, wherein the pneumatic finger 1 comprises an air cylinder 11, a first clamping block 2 and a second clamping block 3, and the first clamping block 2 and the second clamping block 3 are driven by the air cylinder 11 to work; the first clamping block 2 is fixedly connected with a front support 4, and the second clamping block 3 is fixedly connected with a rear support 6.

The first clamping block 2 is provided with two first connecting holes 21 with equal size, the two first connecting holes 21 are vertically distributed, and the two first connecting holes 21 are threaded holes; the front support 4 is provided with a first connecting groove 41, the size of the opening of the first connecting groove 41 is matched with the size of the first clamping block 2, and the size of the bottom of the first connecting groove 41 is larger than the size of the first clamping block 2. During first clamp splice 2 inserted first connecting groove 41, the position that corresponds two first connecting holes 21 on preceding support 4 opened has two first mounting holes 42 of equidimension, and the size of first mounting hole 42 is greater than the size of first connecting hole 21, and the connecting screw passes behind preceding support 4 and first connecting hole 21 threaded connection through first mounting hole 42. Two first limiting holes 43 with the same size are formed in the two sides of the front support 4, all the first limiting holes 43 are communicated with the first connecting groove 41, and limiting screws penetrate through the first limiting holes 43 to abut against the first clamping blocks 2.

One side of the front support 4 close to the rear support 6 is fixedly connected with a V-shaped block 5. A protrusion 52 is integrally formed on the connecting side of the V-shaped block 5 and the front support 4, two second connecting holes 51 with the same size are formed in the protrusion 52, the two second connecting holes 51 are horizontally arranged, and the two second connecting holes 51 are threaded holes; the connecting side of the front support 4 and the V-shaped block 5 is provided with a groove 46 along the horizontal direction, a protrusion 52 of the V-shaped block 5 is inserted into the groove 46, two second mounting holes 44 with the same size are formed in the position, corresponding to the second connecting hole 51, on the front support 4, the size of the second mounting hole 44 is larger than that of the second connecting hole 51, and a connecting screw penetrates through the front support 4 through the second mounting hole 44 to be in threaded connection with the second connecting hole 51. The front support 4 is also provided with four second limiting holes 45 with equal size, the four second limiting holes 45 are uniformly distributed along the contact surface of the V-shaped block 5 and the front support 4, and the limiting screws penetrate through the second limiting holes 45 to abut against the V-shaped block 5.

The second clamping block 3 is provided with two third connecting holes 31 with equal size, the two third connecting holes 31 are vertically distributed, and the two third connecting holes 31 are threaded holes; the rear support 6 is provided with a second connecting groove 61, and the size of the second connecting groove 61 is matched with that of the second clamping block 3. The second clamping block 3 is inserted into the second connecting groove 61, two third mounting holes 62 with the same size are formed in the positions, corresponding to the two third connecting holes 31, of the rear support 6, the size of each third mounting hole 62 is larger than that of each third connecting hole 31, and a connecting screw penetrates through the rear support 6 through the third mounting holes 62 to be in threaded connection with the third connecting holes 31. A fourth connecting hole is formed in the rear support 6 corresponding to the center of the V-shaped block 5, a positioning bolt 7 is connected to the fourth connecting hole in an inner threaded mode, and the positioning bolt 7 can be in contact with two edges of the V-shaped block 5.

The adjustable clamping jaw provided by the utility model is used for clamping a workpiece, and in the embodiment, a shaft workpiece is taken as an example, and the installation angle of the adjustable clamping jaw is adjusted according to the installation angle requirement of the shaft workpiece in the subsequent processing process. Insert first clamp splice 2 in the first connecting groove 41 of preceding support 4 earlier, because the opening part size of first connecting groove 41 and the size phase-match of first clamp splice 2, and the bottom size of first connecting groove 41 is greater than the size of first clamp splice 2, consequently can be the fulcrum with the contact department of first clamp splice 2 with the opening of first connecting groove 41, along the radial swing front support 4 of first mounting hole 42, until front support 4 satisfies the follow-up processing requirement for the installation angle of first clamp splice 2, this moment axle type work piece is got the back by this clamping jaw adjustable clamp, the inclination of axle type work piece in vertical plane satisfies the follow-up processing requirement. After the installation angle of preceding support 4 and first clamp splice 2 satisfied the requirement, pass preceding support 4 part through first mounting hole 42 with the connecting screw and twist first connecting hole 21 for relative position between preceding support 4 and the first clamp splice 2 obtains tentatively fixed, twist spacing screw one by one in first spacing hole 43, until every spacing screw all passes first spacing hole 43 and offsets with first clamp splice 2, the installation angle of preceding support 4 and first clamp splice 2 is injectd this moment, then can twist connecting screw in first connecting hole 21 entirely, in order to realize preceding support 4 and the complete fixed connection of first clamp splice 2.

After the front support 4 is installed, the V-shaped block 5 is installed. The protrusion 52 of the V-shaped block 5 is inserted into the groove 46 of the front support 4, and the V-shaped block 5 is rotated along the axial direction of the second mounting hole 44 until the mounting angle of the V-shaped block 5 relative to the front support 4 meets the requirement of subsequent processing, at this time, after the shaft workpiece is clamped by the adjustable clamping jaw, the rotation angle of the axis of the shaft workpiece in the horizontal plane meets the requirement of subsequent processing. After the installation angle of the V-shaped block 5 and the front support 4 meets the requirement, the connecting screw penetrates through the second installation hole 44 and partially screws into the second connecting hole 51 through the front support 4, so that the relative position between the V-shaped block 5 and the front support 4 is preliminarily fixed, the limiting screws are screwed into the second limiting holes 45 one by one until each limiting screw penetrates through the second limiting holes 45 to be abutted against the V-shaped block 5, the installation angle of the V-shaped block 5 and the front support 4 is limited at the moment, the connecting screw can be completely screwed into the second connecting hole 51, and the complete fixed connection between the V-shaped block 5 and the front support 4 is realized.

And finally, mounting the rear support 6 and the positioning bolt 7. The second clamping block 3 is inserted into the second connecting groove 61 of the rear support 6, and because the size of the second connecting groove 61 is matched with that of the second clamping block 3, the mounting angle of the rear support 6 and the second clamping block 3 does not need to be adjusted, and the connecting screw directly passes through the rear support 6 through the third mounting hole 62 and is in threaded connection with the third connecting hole 31, so that the fixed connection between the rear support 6 and the second connecting block is realized. Then, the positioning bolt 7 is screwed into the fourth connecting hole from the side close to the front support 4, and the installation of the positioning bolt 7 can be realized.

The adjustable clamping jaw is used for clamping shaft workpieces, the cylinder 11 drives the first clamping block 2 and the second clamping block 3 to open, the front support 4 and the rear support 6 are respectively driven by the first clamping block 2 and the second clamping block 3 to be away from each other, and the clamping jaw moves to the output end of the shaft workpiece conveying device to be aligned with the axis of the shaft workpieces. Subsequently, the clamping jaw is lowered until the clamping part of the clamping jaw is flush with the axis of the shaft workpiece, the front support 4 and the rear support 6 are located on two sides of the axis of the shaft workpiece at the moment, then the cylinder 11 drives the first clamping block 2 and the second clamping block 3 to fold, and the front support 4 and the rear support 6 are driven by the first clamping block 2 and the second clamping block 3 to be close to each other respectively until the shaft workpiece is clamped between the two by the V-shaped block 5 and the positioning bolt 7. The clamping jaws clamp the shaft workpieces from the conveying device of the shaft workpieces to the machining lathe of the shaft workpieces, and the shaft workpieces are installed on the machining lathe according to the requirements of subsequent machining angles. In the process that the shaft workpiece is clamped by the clamping jaws, the shaft workpiece is subjected to three clamping forces from two edges of the V-shaped block 5 and the positioning bolt 7, so that the position of the shaft workpiece relative to the clamping jaws is more stable in the clamping and carrying processes of the clamping jaws.

If the adjustable clamping jaw is used for clamping and installing the shaft on the lathe with different machining angle requirements, the installation angles of the front support 4 and the first clamping block 2 and the installation angles of the VV-shaped block 5 and the front support 4 are readjusted according to the requirements of a new lathe on the machining angle of the shaft workpiece, so that after the shaft workpiece is clamped by the clamping jaw, the inclination angle of the axis of the shaft workpiece in a vertical plane and the rotation angle of the axis of the shaft workpiece in a horizontal plane meet the requirements.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, and these changes and modifications should be considered as the protection scope of the present invention, and these changes and modifications will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An adjustable clamping jaw, includes the holder, and the holder includes first output and second output, its characterized in that: the first output end is connected with a first support, and the second output end is connected with a second support; the first support is provided with a connecting groove, the first output end is inserted into the connecting groove and connected with the first support, and the size of the connecting groove is larger than that of the first output end.

2. The adjustable jaw of claim 1, wherein: the connecting groove is a trapezoidal groove, the size of the upper bottom edge of the trapezoidal groove is matched with that of the first output end, and the size of the lower bottom edge of the trapezoidal groove is larger than that of the upper bottom edge.

3. An adjustable jaw according to claim 2, wherein: the first support comprises a first connecting piece, a first connecting hole is formed in the first output end, a first mounting hole is formed in the position, corresponding to the first connecting hole, of the first support, and the first connecting piece penetrates through the first mounting hole and is inserted into the first connecting hole to fixedly connect the first support with the first output end; first limiting holes are formed in two sides of the first support and communicated with the connecting grooves.

4. The adjustable jaw of claim 1, wherein: one side of the first support, which is close to the second support, is provided with a first positioning block, a second positioning block is arranged on the second support, which corresponds to the first positioning block, and the first positioning block and the second positioning block are matched to clamp a workpiece.

5. An adjustable jaw according to claim 4, wherein: the first locating block is a V-shaped block, a protrusion is formed on the connecting side of the V-shaped block and the first support in an integrated mode, a groove is formed in the first support in the horizontal direction, the size of the groove is matched with the size of the protrusion, and the protrusion of the V-shaped block is inserted into the groove and connected with the first support.

6. An adjustable jaw according to claim 5, wherein: the first support comprises a first connecting piece, and the first connecting piece penetrates through the first connecting hole and is inserted into the first connecting hole to fixedly connect the V-shaped block with the first support; a plurality of second limiting holes are formed in the first support, and are uniformly distributed along the contact surface of the V-shaped block and the first support.

7. An adjustable jaw according to claim 4, wherein: the second positioning block is a positioning bolt, a connecting hole is formed in the second support, and the positioning bolt is in threaded connection with the connecting hole.

8. An adjustable jaw according to claim 3 or 6, wherein: the first connecting hole and the second connecting hole are threaded holes, the first connecting piece and the second connecting piece are screws, the size of the first mounting hole is larger than that of the first connecting hole, and the size of the second mounting hole is larger than that of the second connecting hole.

9. The adjustable jaw of claim 1, wherein: the clamp holder is a pneumatic finger, the first support is connected with a first clamping block of the pneumatic finger, and the second support is connected with a second clamping block of the pneumatic finger.

10. The adjustable jaw of claim 9, wherein: the pneumatic finger is a Y-shaped clamping finger.