CN221312549U - Centering three-jaw chuck positioning device - Google Patents
Centering three-jaw chuck positioning device Download PDFInfo
- Publication number
- CN221312549U CN221312549U CN202322888783.9U CN202322888783U CN221312549U CN 221312549 U CN221312549 U CN 221312549U CN 202322888783 U CN202322888783 U CN 202322888783U CN 221312549 U CN221312549 U CN 221312549U
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- Prior art keywords
- claw
- centering
- jaw chuck
- base
- positioning device
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- 210000000078 claw Anatomy 0.000 claims abstract description 26
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Gripping On Spindles (AREA)
Abstract
The utility model discloses a centering three-jaw chuck positioning device, and relates to the technical field of chucks. This centering three-jaw chuck positioner, the on-line screen storage device comprises a base, the mounting groove has been seted up on the lateral wall of base, the female claw of inside fixedly connected with of mounting groove, the constant head tank has been seted up on the surface of female claw, the surface of constant head tank is provided with locating component and sub-claw, locating component includes the spout, the spout is seted up on the surface of constant head tank, the inside sliding connection of spout has splint, the top fixedly connected with lug of splint lateral wall. This centering three-jaw chuck positioner through rotating the runner for splint and lug and draw-in groove separation, thereby take off the son claw, change according to the shape and the size of different work pieces, ensure that the work piece is clamped firmly, and conveniently change the son claw, thereby can compatible multiple work piece and reduce maintenance cost.
Description
Technical Field
The utility model relates to the technical field of chucks, in particular to a centering three-jaw chuck positioning device.
Background
In the mechanical structure, the clamping jaws are used for clamping and clamping parts of a workpiece in a chuck or clamping and positioning machine tool accessories of the workpiece, and are uniformly distributed at three hundred and sixty degrees, so that a plurality of uniformly distributed clamping jaws approach to the center or withdraw from the center at the same time to finish the work.
The existing clamping jaw is a single fixed part, cannot be compatible with various workpieces, needs overall replacement of the clamping jaw after the clamping jaw is worn, has high maintenance cost, causes a large waste problem, clamps the outer circle of the part by the chuck, cannot guarantee the size from one end hole bottom to the other end face of the part, and cannot guarantee the precision of part machining. In view of this, the present application proposes a centering three-jaw chuck positioning device.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a centering three-jaw chuck positioning device, which solves the problems that the prior jaw in the background art is a single fixed part, cannot be compatible with various workpieces, needs the whole replacement of the jaw after the jaw is worn, has high maintenance cost, causes great waste, and cannot guarantee the size from one end hole bottom to the other end surface of the part due to the fact that the chuck clamps the outer circle of the part, so that the precision of part processing cannot be guaranteed.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a centering three-jaw chuck positioner, includes the base, the mounting groove has been seted up on the lateral wall of base, the female claw of inside fixedly connected with of mounting groove, the constant head tank has been seted up on the surface of female claw, the surface of constant head tank is provided with locating component and sub-claw, locating component includes the spout, the spout is seted up on the surface of constant head tank, the inside sliding connection of spout has splint, the top fixedly connected with lug of splint lateral wall, the through-hole that runs through has been seted up to splint lateral wall, and threaded connection has the threaded rod in the through-hole, the threaded rod runs through and rotates to be connected on the lateral wall of female claw, the one end rotation of threaded rod is connected on the inner wall of spout, the other end fixedly connected with runner of threaded rod.
Preferably, the side wall of the sub claw is provided with a clamping groove, the clamping groove is L-shaped, and the clamping plate and the protruding block are inserted into the clamping groove.
Preferably, the sub-claws are attached to the surface of the positioning groove.
Preferably, the shape of the base is disc-shaped.
Preferably, three groups of positioning pins distributed in an array are fixedly connected to the surface of the base.
Preferably, the mounting grooves are provided with three groups, and the three groups of mounting groove arrays are distributed on the side wall of the base.
Preferably, the thickness of the female jaw exceeds the surface of the base.
The utility model provides a centering three-jaw chuck positioning device. The beneficial effects are as follows:
(1) This centering three-jaw chuck positioner through rotating the runner for splint and lug and draw-in groove separation, thereby take off the son claw, change according to the shape and the size of different work pieces, ensure that the work piece is clamped firmly, and conveniently change the son claw, thereby can compatible multiple work piece and reduce maintenance cost.
(2) According to the centering three-jaw chuck positioning device, the hole bottoms of the parts are positioned through the end faces of the three groups of positioning pins, so that the distance from the hole bottoms to the other end can be ensured, and the stability and the accuracy of the parts at specific positions are ensured. And once the hole bottom of the part is contacted with the end surface of the positioning pin, the part is ensured to be in a correct position, and the part cannot move or swing, so that the precision of part processing is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the positioning assembly of the present utility model in an expanded configuration;
Fig. 3 is a schematic diagram of the structure of the claw of the present utility model.
In the figure: 1. a base; 2. a positioning pin; 3. a mounting groove; 4. a female claw; 5. a positioning groove; 6. a positioning assembly; 61. a chute; 62. a clamping plate; 63. a bump; 64. a threaded rod; 65. a rotating wheel; 7. a sub-claw; 71. a clamping groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model provides a centering three-jaw chuck positioning device, which comprises a base 1, wherein the shape of the base 1 is disc-shaped, three groups of positioning pins 2 distributed in an array are fixedly connected to the surface of the base 1, the end surfaces of the three groups of positioning pins 2 position the hole bottoms of a part, the distance from the hole bottoms to the other end can be ensured, and the stability and the accuracy of the part at a specific position are ensured. And once the bottom of the hole of the part is in contact with the end face of the locating pin 2, the part is ensured to be in the correct position and will not move or swing.
The mounting groove 3 has been seted up on the lateral wall of base 1, and mounting groove 3 is provided with three groups, and three group's mounting groove 3 array distributes on the lateral wall of base 1, and three group's mounting groove 3 can install female claw 4, and the inside fixedly connected with female claw 4 of mounting groove 3, the surface of high exceeding base 1 of female claw 4, and female claw 4 provides a stable, motionless supporting point, makes the work piece can fix a position and keep in required position accurately.
The surface of the female claw 4 is provided with a positioning groove 5, the surface of the positioning groove 5 is provided with a positioning component 6 and a sub claw 7, and a workpiece is clamped, moved and processed together with the female claw 4 through the sub claw 7. The positioning groove 5 is used for placing the sub-claw 7, the positioning component 6 is used for fixing the sub-claw 7 on the surface of the positioning groove 5, and the sub-claw 7 is convenient to replace, so that the multi-workpiece positioning device is compatible with various workpieces and reduces maintenance cost. The locating component 6 comprises a sliding groove 61, the sliding groove 61 is formed in the surface of the locating groove 5, a clamping plate 62 is slidably connected in the sliding groove 61, the sliding groove 61 is used for installing a threaded rod 64 of the clamping plate 62, the clamping plate 62 plays a guiding role in the moving process, a protruding block 63 is fixedly connected to the top of the side wall of the clamping plate 62, the protruding block 63 forms a protruding portion on the surface of the clamping plate 62, and therefore when the sub-claw 7 is fixed, the sub-claw 7 is prevented from moving up and down, and the stability of the sub-claw 7 is improved. The through hole that runs through has been seted up to splint 62 lateral wall, and threaded connection has threaded rod 64 in the through hole, and threaded rod 64 runs through and rotates to be connected on female claw 4's lateral wall, and the one end rotation of threaded rod 64 is connected on the inner wall of spout 61, and threaded rod 64 is used for driving splint 62 and removes in spout 61's inside, and threaded rod 64's the other end fixedly connected with runner 65 is convenient for rotate threaded rod 64 through setting up runner 65.
The sub-claw 7 is attached to the surface of the positioning groove 5, a clamping groove 71 is formed in the side wall of the sub-claw 7, the clamping groove 71 is L-shaped, the clamping plate 62 and the protruding block 63 are inserted into the clamping groove 71, the protruding block 63 and the clamping plate 62 are mutually matched to form an L-shape, and the clamping groove 71 is matched with the L-shape, so that the sub-claw 7 is fixed on the surface of the positioning groove 5.
In the utility model, when in use, the sub-claw 7 is placed on the surface of the positioning groove 5, the rotating wheel 65 is rotated to enable the threaded rod 64 to drive the clamping plate 62 to approach the sub-claw 7 and to be inserted into the clamping groove 71, the sub-claw 7 is clamped in, the convex block 63 and the clamping plate 62 are mutually matched to form an L shape and are matched with the L-shaped clamping groove 71, so that the sub-claw 7 is fixed on the surface of the positioning groove 5, the sub-claw 7 is prevented from moving up and down, the stability of the sub-claw 7 is improved, the rotating wheel 65 is rotated reversely to enable the clamping plate 62 and the convex block 63 to be separated from the clamping groove 71, the sub-claw 7 is removed, the workpiece is ensured to be firmly clamped, the sub-claw 7 is convenient to replace according to the shapes and the sizes of different workpieces, thereby various workpieces can be compatible and maintenance cost is reduced, the distance from the hole bottom to the other end of the part is positioned through the end surfaces of the three groups of the positioning pins 2, and the stability and the accuracy of the part at the specific position are ensured. And once the bottom of the hole of the part is in contact with the end face of the locating pin 2, the part is ensured to be in the correct position and will not move or swing.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a centering three-jaw chuck positioner, includes base (1), its characterized in that: the utility model discloses a base, including base (1) and nut, install groove (3) have been seted up on the lateral wall of base (1), the inside fixedly connected with female claw (4) of install groove (3), constant head tank (5) have been seted up on the surface of female claw (4), the surface of constant head tank (5) is provided with locating component (6) and sub-claw (7), locating component (6) include spout (61), spout (61) are seted up on the surface of constant head tank (5), the inside sliding connection of spout (61) has splint (62), the top fixedly connected with lug (63) of splint (62) lateral wall, the through-hole that runs through has been seted up to splint (62) lateral wall, and threaded connection has threaded rod (64) in the through-hole, threaded rod (64) run through and rotate and connect on the lateral wall of female claw (4), the one end rotation of threaded rod (64) is connected on the inner wall of spout (61), the other end fixedly connected with runner (65) of threaded rod (64).
2. The centering three-jaw chuck positioning device as claimed in claim 1, wherein: the side wall of the sub claw (7) is provided with a clamping groove (71), the clamping groove (71) is L-shaped, and the clamping plate (62) and the protruding block (63) are inserted into the clamping groove (71).
3. The centering three-jaw chuck positioning device as claimed in claim 1, wherein: the sub-claw (7) is attached to the surface of the positioning groove (5).
4. The centering three-jaw chuck positioning device as claimed in claim 1, wherein: the shape of the base (1) is disc-shaped.
5. The centering three-jaw chuck positioning device as claimed in claim 1, wherein: the surface of the base (1) is fixedly connected with three groups of positioning pins (2) distributed in an array manner.
6. The centering three-jaw chuck positioning device as claimed in claim 1, wherein: the mounting grooves (3) are arranged in three groups, and the three groups of mounting grooves (3) are distributed on the side wall of the base (1) in an array mode.
7. The centering three-jaw chuck positioning device as claimed in claim 1, wherein: the thickness of the female claw (4) exceeds the surface of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322888783.9U CN221312549U (en) | 2023-10-27 | 2023-10-27 | Centering three-jaw chuck positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322888783.9U CN221312549U (en) | 2023-10-27 | 2023-10-27 | Centering three-jaw chuck positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221312549U true CN221312549U (en) | 2024-07-12 |
Family
ID=91791375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322888783.9U Active CN221312549U (en) | 2023-10-27 | 2023-10-27 | Centering three-jaw chuck positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221312549U (en) |
-
2023
- 2023-10-27 CN CN202322888783.9U patent/CN221312549U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |