CN212734223U - Four-jaw chuck clamp for preventing workpiece displacement deformation - Google Patents
Four-jaw chuck clamp for preventing workpiece displacement deformation Download PDFInfo
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- CN212734223U CN212734223U CN202020861749.6U CN202020861749U CN212734223U CN 212734223 U CN212734223 U CN 212734223U CN 202020861749 U CN202020861749 U CN 202020861749U CN 212734223 U CN212734223 U CN 212734223U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008093 supporting effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a four-jaw chuck clamp for preventing displacement and deformation of a workpiece, which comprises a chuck; the outer surface central point of chuck puts and has seted up the work piece and place the hole, the mounting groove has all been seted up to four mutually perpendicular directions of the surface one side of chuck, the inside of mounting groove is equipped with the mounting panel, the surface both sides through connection of mounting panel has the bolt. The utility model has the advantages of simple whole structure, four nuclear splint of pneumatic cylinder cooperation, thereby it is fixed with the work piece, set up through the jack catch arc, greatly increased the area of contact of jack catch with the work piece surface, thereby make the jack catch more even to the clamp force of work piece, the supporting role of cooperation splint simultaneously, can prevent that the work piece from warping, the condition that the work piece surface was hindered by the clamp can be avoided in setting up through first rubber pad and second rubber pad, the production quality of work piece has been improved, the manual operation has also been saved to the clamp through the pneumatic cylinder simultaneously, operating personnel's working strength has been alleviateed greatly.
Description
Technical Field
The utility model relates to a prevent four-jaw chuck anchor clamps of work piece displacement deformation belongs to chuck frock technical field.
Background
The four-jaw chuck is divided into a four-jaw self-centering chuck and a four-jaw independent chuck, and the four-jaw chuck consists of a chuck body, four jaws and four jaw driving displacement mechanisms. The jaw moves on the disc body by utilizing the principle of equidistant thread transmission to realize equidistant centering linear displacement; the positioning of the workpiece on the chuck is accomplished by adjusting the relative positions of the four cooperating or non-cooperating jaws on the chuck.
In the prior art, a four-jaw chuck uses the plane of the upper end surface of a chuck body as a workpiece positioning surface; utilize the tight work piece of solid piece plane clamp of jack catch displacement direction all around lateral wall to make the clamp of clamping face realization work piece nevertheless, such four-jaw chuck is used for when the location clamp of car sealing ring work piece is tight, and the jack catch is comparatively harsh, can make the work piece warp in the time of centre gripping work piece, influence the subsequent processing of work piece, and the centre gripping position area is less, easy centre gripping is not tight etc. can drop under anchor clamps high-speed rotation, cause the damage of work piece, and the most manual work of using of current four-jaw chuck is fixed, consume the manpower greatly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent four-jaw chuck anchor clamps of work piece displacement deformation to the defect that prior art exists.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a four-jaw chuck clamp for preventing displacement deformation of a workpiece comprises a chuck;
the outer surface center position of the chuck is provided with a workpiece placing hole, four mutually perpendicular directions on one side of the outer surface of the chuck are respectively provided with a mounting groove, a mounting plate is arranged in the mounting groove, bolts are connected with both sides of the outer surface of the mounting plate in a penetrating way, the mounting plate is fixedly connected with the inside of the mounting groove through the bolts, a hydraulic cylinder is fixedly arranged on the outer surface of the mounting plate, a push rod of the hydraulic cylinder is close to the workpiece placing hole, a connecting plate is fixedly connected with the push rod of the hydraulic cylinder, a clamping jaw is fixedly connected with the outer surface of the connecting plate and one side close to the center of the workpiece placing hole, a sliding groove is arranged on the inner wall of the mounting groove and close to the connecting plate, the connecting plate is in sliding connection with the inner wall of the sliding groove, a first rubber, the surface of chuck just is located the position between mounting groove and the flange and has seted up the through-hole, the inside sliding connection of through-hole has the threaded rod, the both ends of threaded rod are located the outside of chuck and the inside that the hole was placed to the work piece respectively, the threaded rod is located the work piece and places the inside one end fixedly connected with splint of downthehole portion, the one end of splint extends to the below of jack catch, the surface of splint and the one side fixedly connected with second rubber pad that is close to the jack catch, the threaded rod is located the outside one end surface cover of chuck and is equipped with the lock nut who rotates the connection through the screw thread, the spacing groove has been.
Furthermore, one side of the outer surface of the clamping jaw, which is close to the outer surface of the workpiece, is arc-shaped.
Furthermore, the side of the outer surface of the first rubber pad, which is in contact with the workpiece, is provided with anti-skid grains.
Furthermore, the outer surface of the chuck and the position between the mounting grooves are provided with mounting holes.
Furthermore, the outer surface of the clamping plate is arc-shaped on the side close to the inner wall of the workpiece.
Furthermore, the side of the outer surface of the second rubber pad, which is in contact with the workpiece, is provided with anti-skid grains.
Furthermore, the inside of through-hole is equipped with spacing groove assorted limiting plate, limiting plate and spacing groove sliding connection.
The utility model has the advantages that:
the utility model has the advantages that through the arrangement of the hydraulic cylinders, the clamping jaws, the threaded rod, the locking nut and the clamping plates, when clamping a workpiece, the workpiece is inserted into the workpiece placing hole, so that the four clamping plates enter the workpiece, the four hydraulic cylinders are started, the four hydraulic cylinders simultaneously push the four clamping jaws to move towards the center, so that the workpiece is initially clamped by centering, at the moment, the locking nut is rotated to drive the threaded rod to move, so that the clamping plates are driven to move towards the inner wall of the workpiece, so that the workpiece is further fixed, meanwhile, a certain supporting function can be realized on the workpiece, at the moment, the hydraulic cylinders are started again, so that the workpiece is further fixedly clamped, through the arc arrangement of the clamping jaws, the contact area between the clamping jaws and the outer surface of the workpiece is greatly increased, so that the clamping force of the clamping jaws on the workpiece is more uniform, meanwhile, the supporting function of the, thereby causing the condition that the surface of the workpiece is damaged by clamping, improving the production quality of the workpiece, simultaneously saving manual operation through the clamping of the hydraulic cylinder, and greatly reducing the working strength of operators.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.
Detailed Description
Fig. 1 to 3 show a four-jaw chuck jig for preventing displacement deformation of a workpiece, including a chuck 1; the outer surface center position of the chuck 1 is provided with a workpiece placing hole 2, four mutually perpendicular directions on one side of the outer surface of the chuck 1 are respectively provided with a mounting groove 3, a mounting plate 4 is arranged inside the mounting groove 3, two sides of the outer surface of the mounting plate 4 are connected with bolts 5 in a penetrating way, the mounting plate 4 is fixedly connected with the inside of the mounting groove 3 through the bolts 5, the outer surface of the mounting plate 4 is fixedly provided with a hydraulic cylinder 6, a push rod of the hydraulic cylinder 6 is close to the workpiece placing hole 2, the push rod of the hydraulic cylinder 6 is fixedly connected with a connecting plate 7, one side of the outer surface of the connecting plate 7, which is close to the center of the workpiece placing hole 2, is fixedly connected with a clamping jaw 8, the inner wall of the mounting groove 3, which is close to the connecting plate 7, is provided with a chute 9, the connecting plate 7 is, the surface of chuck 1 and keep away from one side fixedly connected with ring flange 12 of mounting groove 3, through-hole 13 has been seted up to the surface of chuck 1 and the position that is located between mounting groove 3 and ring flange 12, the inside sliding connection of through-hole 13 has threaded rod 14, hole 2's inside is placed to the outside and the work piece that are located chuck 1 respectively at the both ends of threaded rod 14, threaded rod 14 is located the work piece and places hole 2 inside one end fixedly connected with splint 15, splint 15's one end extends to the below of jack catch 8, splint 15's surface and the one side fixedly connected with second rubber pad 16 that is close to jack catch 8, threaded rod 14 is located the outside one end surface cover of chuck 1 and is equipped with lock nut 17 through the screw thread rotation connection, spacing groove 18 has been seted up to the surface of threaded rod 14.
When a four-jaw chuck is used for clamping a workpiece, the workpiece is inserted into the workpiece placing hole 2, four clamping plates 15 enter the workpiece, four hydraulic cylinders 6 are started, the four hydraulic cylinders 6 simultaneously push four clamping jaws 8 to move towards the center, so that the workpiece is initially centered and clamped, at the moment, locking nuts 17 are rotated, the locking nuts 17 rotate to drive threaded rods 14 to move, so that the clamping plates 15 are driven to move towards the inner wall of the workpiece, the workpiece is further fixed, a certain supporting effect on the workpiece can be achieved, at the moment, the hydraulic cylinders 6 are started again, so that the workpiece is further fixedly clamped, through the arc arrangement of the clamping jaws 8, the contact area between the clamping jaws 8 and the outer surface of the workpiece is greatly increased, so that the clamping force of the clamping jaws 8 on the workpiece is more uniform, meanwhile, the workpiece can be prevented from deforming by matching with the supporting effect of the clamping plates 15, and the direct contact between the clamping jaws 8 and the clamping plates, thereby causing the surface of the workpiece to be clamped and damaged, improving the production quality of the workpiece, simultaneously saving manual operation through the clamping of the hydraulic cylinder 6, and greatly reducing the working strength of operators.
In a further scheme, the shape of one side of the outer surface of the clamping jaw 8, which is close to the outer surface of the workpiece, is arc-shaped, and the arc-shaped surface can increase the contact area of the clamping jaw 8 and the outer surface of the workpiece, so that the clamping force of the clamping jaw 8 on the workpiece is more uniform.
In a further scheme, anti-skidding lines are arranged on one side, in contact with a workpiece, of the outer surface of the first rubber pad 10, and can increase friction force between the anti-skidding lines and the outer surface of the workpiece, so that the workpiece is firmly fixed, and the workpiece cannot fall off to damage a lathe.
In a further scheme, the outer surface of the chuck 1 and the position between the mounting grooves 3 are provided with mounting holes 11, and the mounting holes 11 are used for facilitating the connection between the chuck 1 and the flange 12.
In a further scheme, the outer surface of the clamping plate 15 and one side of the inner wall of the workpiece, which is close to the inner wall of the workpiece, are arc-shaped, and the arc-shaped surface can increase the contact area between the clamping plate 15 and the inner wall of the workpiece, so that the clamping plate 15 can better support the workpiece.
In a further scheme, anti-slip lines are arranged on one side, in contact with a workpiece, of the outer surface of the second rubber pad 16, and the anti-slip lines can increase friction force between the anti-slip lines and the inner wall of the workpiece, so that the workpiece is firmly fixed, and the workpiece cannot fall off to damage a lathe.
In a further scheme, a limiting plate 19 matched with the limiting groove 18 is arranged inside the through hole 13, and the limiting plate 19 is in sliding connection with the limiting groove 18, so that the threaded rod 14 is prevented from rotating along with the locking nut 17 when the locking nut is rotated.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A four-jaw chuck clamp for preventing displacement and deformation of a workpiece comprises a chuck and is characterized in that,
the outer surface center position of the chuck is provided with a workpiece placing hole, four mutually perpendicular directions on one side of the outer surface of the chuck are respectively provided with a mounting groove, a mounting plate is arranged in the mounting groove, bolts are connected with both sides of the outer surface of the mounting plate in a penetrating way, the mounting plate is fixedly connected with the inside of the mounting groove through the bolts, a hydraulic cylinder is fixedly arranged on the outer surface of the mounting plate, a push rod of the hydraulic cylinder is close to the workpiece placing hole, a connecting plate is fixedly connected with the push rod of the hydraulic cylinder, a clamping jaw is fixedly connected with the outer surface of the connecting plate and one side close to the center of the workpiece placing hole, a sliding groove is arranged on the inner wall of the mounting groove and close to the connecting plate, the connecting plate is in sliding connection with the inner wall of the sliding groove, a first rubber, the surface of chuck just is located the position between mounting groove and the flange and has seted up the through-hole, the inside sliding connection of through-hole has the threaded rod, the both ends of threaded rod are located the outside of chuck and the inside that the hole was placed to the work piece respectively, the threaded rod is located the work piece and places the inside one end fixedly connected with splint of downthehole portion, the one end of splint extends to the below of jack catch, the surface of splint and the one side fixedly connected with second rubber pad that is close to the jack catch, the threaded rod is located the outside one end surface cover of chuck and is equipped with the lock nut who rotates the connection through the screw thread, the spacing groove has been.
2. A four-jaw chuck as claimed in claim 1, wherein the outer surfaces of the jaws adjacent to the outer surface of the workpiece are arcuate in shape.
3. The four-jaw chuck for preventing displacement deformation of a workpiece as recited in claim 1, wherein the side of the outer surface of said first rubber pad contacting the workpiece is provided with an anti-slip pattern.
4. The four-jaw chuck jig for preventing the displacement deformation of the workpiece as set forth in claim 1, wherein the outer surface of the chuck is provided with mounting holes at positions between the mounting grooves.
5. The four-jaw chuck as claimed in claim 1, wherein the outer surface of the clamping plate is curved on the side adjacent to the inner wall of the workpiece.
6. The four-jaw chuck for preventing displacement deformation of a workpiece as recited in claim 1, wherein the side of the outer surface of said second rubber pad contacting the workpiece is provided with an anti-slip pattern.
7. The four-jaw chuck assembly for preventing the displacement deformation of the workpiece according to claim 1, wherein the through hole is internally provided with a limiting plate matched with the limiting groove, and the limiting plate is slidably connected with the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020861749.6U CN212734223U (en) | 2020-05-21 | 2020-05-21 | Four-jaw chuck clamp for preventing workpiece displacement deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020861749.6U CN212734223U (en) | 2020-05-21 | 2020-05-21 | Four-jaw chuck clamp for preventing workpiece displacement deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212734223U true CN212734223U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020861749.6U Active CN212734223U (en) | 2020-05-21 | 2020-05-21 | Four-jaw chuck clamp for preventing workpiece displacement deformation |
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| CN (1) | CN212734223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042831A (en) * | 2021-04-06 | 2021-06-29 | 威海杰特金属制品有限公司 | Lathe for screw machining |
| CN114393246A (en) * | 2022-03-08 | 2022-04-26 | 南京高精齿轮集团有限公司 | Centering chuck for broaching machine and broaching machine |
-
2020
- 2020-05-21 CN CN202020861749.6U patent/CN212734223U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042831A (en) * | 2021-04-06 | 2021-06-29 | 威海杰特金属制品有限公司 | Lathe for screw machining |
| CN114393246A (en) * | 2022-03-08 | 2022-04-26 | 南京高精齿轮集团有限公司 | Centering chuck for broaching machine and broaching machine |
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