CN218460906U - Center-adjustable three-jaw chuck - Google Patents
Center-adjustable three-jaw chuck Download PDFInfo
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- CN218460906U CN218460906U CN202222433147.2U CN202222433147U CN218460906U CN 218460906 U CN218460906 U CN 218460906U CN 202222433147 U CN202222433147 U CN 202222433147U CN 218460906 U CN218460906 U CN 218460906U
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- jaw chuck
- fixedly connected
- bottom plate
- swivel nut
- screw
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Abstract
The utility model relates to an adjustable center three-jaw chuck in chuck technical field, comprising a base plate, the sliding surface of bottom plate is connected with three-jaw chuck, three-jaw chuck's sliding surface is connected with three jack catch, three-jaw chuck's bottom fixedly connected with drive seat, the inside of drive seat is equipped with the chucking subassembly, the bottom fixedly connected with coupling assembling of drive seat, the inside of bottom plate is rotated and is connected with adjusting screw, adjusting screw's surface thread has cup jointed the swivel nut, the bottom fixedly connected with carriage release lever of swivel nut. Through positive and negative rotation adjusting screw, make the swivel nut carry out the horizontal slip under the effect of screw thread, the slip through the swivel nut can make to drive coupling assembling and three-jaw chuck round trip position and remove, is convenient for carry out the effect of adjusting to the center of three-jaw chuck, through electric putter, no. two electric putter, locating plate and arc recess to the fixed effect in three-jaw chuck position of moving a certain position.
Description
Technical Field
The utility model relates to a chuck technical field especially relates to an adjustable center three-jaw chuck.
Background
The three-jaw chuck is a machine tool accessory for clamping and positioning a workpiece by utilizing the radial movement of three movable jaws uniformly distributed on a chuck body, and consists of the chuck body, the movable jaws and a jaw driving mechanism. The lower parts of the guide parts of the three jaws on the three-jaw chuck are provided with threads which are meshed with the plane threads on the back of the disc bevel gear, when a wrench is used for rotating the bevel pinion through the square hole, the disc gear rotates, and the plane threads on the back simultaneously drive the three jaws to approach or withdraw towards the center so as to clamp workpieces with different diameters.
Although the center of the three-jaw chuck is moved through the bolts, the screw holes and the sliding rails, the three-jaw chuck needs to be disassembled through tools due to the installation and disassembly of the bolts, and the number of the disassembled bolts is large, so that the efficiency of adjusting the three-jaw chuck is reduced in the process of assembly line machining, and the overall production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides an adjustable center three-jaw chuck when having the center to three-jaw dish fast and moving, carries out the effect of fixing a position to three-jaw chuck's position fast, reduces the use of installation dismantlement, improves production efficiency.
The technical scheme of the utility model is that: the utility model provides an adjustable center three-jaw chuck, includes the bottom plate, the surface sliding of bottom plate is connected with three-jaw chuck, three-jaw chuck's surface sliding is connected with three jack catch, three-jaw chuck's bottom fixedly connected with drives the seat, the inside that drives the seat is equipped with the chucking subassembly, the bottom fixedly connected with coupling assembling that drives the seat, the inside of bottom plate is rotated and is connected with adjusting screw, adjusting screw's surperficial screw thread has cup jointed the swivel nut, the bottom fixedly connected with carriage release lever of swivel nut, an electric putter and No. two electric putter are installed respectively to the both sides surface of bottom plate inner wall, the equal fixedly connected with locating plate of one end that an electric putter and No. two electric putter are relative, two a plurality of arc recesses have all been seted up on a side surface that the locating plate is relative, the inside at the arc recess is established to the one end of carriage release lever.
In a further technical scheme, the surfaces of the arc-shaped grooves are fixedly connected with two positioning rods, two positioning holes are formed in the surfaces of the two sides of the moving rod, and one ends of the two positioning rods are inserted into the positioning holes.
In a further technical scheme, coupling assembling includes fixed connection at the connecting screw of drive seat bottom, the last fixed surface of swivel nut is connected with connects the spiral shell section of thick bamboo, connecting screw's one end threaded connection is in the inside of connecting the spiral shell section of thick bamboo.
In a further technical scheme, one end of the adjusting screw rod penetrates through the inner part of the bottom plate and is fixedly connected with a rotating ring.
In a further technical scheme, a sliding opening is formed in the upper surface of the bottom plate, and one ends of the connecting screw rod and the connecting screw cylinder are connected inside the sliding opening in a sliding mode.
In a further technical scheme, a plurality of arc-shaped grooves are equidistantly distributed on one side surface of the two positioning plates.
The utility model has the advantages that:
1. the adjusting screw rod is rotated in the forward and reverse directions, the screw sleeve slides left and right under the action of the threads, the connecting assembly and the three-jaw chuck can be driven to move back and forth through the sliding of the screw sleeve, so that the center of the three-jaw chuck can be conveniently adjusted, and the three-jaw chuck moving to a certain position can be conveniently fixed through the first electric push rod, the second electric push rod, the positioning plate and the arc-shaped groove;
2. can be convenient for make the three-jaw chuck carry out the effect of quick installation dismantlement through connecting screw, connection barrel to applicable three-jaw chuck in changing different models improves the practicality of whole equipment, can further improve the effect of locating plate to three-jaw chuck position location through locating lever and locating hole.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the bottom plate according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a positioning plate according to an embodiment of the present invention;
fig. 4 is an enlarged view of a structure in fig. 2 according to an embodiment of the present invention;
description of reference numerals:
1. a base plate; 2. a three-jaw chuck; 3. a jaw; 4. a driving seat; 5. a threaded sleeve; 6. adjusting the screw rod; 7. a travel bar; 8. a first electric push rod; 9. a second electric push rod; 10. positioning a plate; 11. an arc-shaped groove; 12. positioning a rod; 13. positioning holes; 14. connecting a screw rod; 15. connecting the screw cylinder; 16. rotating the ring; 17. and (4) sliding the opening.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Example (b):
as shown in fig. 1-4, an adjustable center three-jaw chuck includes a bottom plate 1, a three-jaw chuck 2 is slidably connected to a surface of the bottom plate 1, three jaws 3 are slidably connected to a surface of the three-jaw chuck 2, a driving seat 4 is fixedly connected to a bottom of the three-jaw chuck 2, a clamping assembly is disposed inside the driving seat 4, a connecting assembly is fixedly connected to a bottom of the driving seat 4, an adjusting screw 6 is rotatably connected to an inside of the bottom plate 1, a threaded sleeve 5 is sleeved on a surface thread of the adjusting screw 6, a moving rod 7 is fixedly connected to a bottom of the threaded sleeve 5, a first electric push rod 8 and a second electric push rod 9 are respectively mounted on two side surfaces of an inner wall of the bottom plate 1, positioning plates 10 are fixedly connected to opposite ends of the first electric push rod 8 and the second electric push rod 9, a plurality of arc-shaped grooves 11 are respectively formed on one side surfaces of the two positioning plates 10, and one end of the moving rod 7 is disposed inside the arc-shaped groove 11;
one end of the adjusting screw rod 6 is arranged in the bottom plate 1 in a penetrating way and is fixedly connected with a rotating ring 16;
a plurality of arc-shaped grooves 11 are equidistantly distributed on one side surface of the two positioning plates 10.
The working principle of the technical scheme is as follows:
drive adjusting screw 6 through rotating swivel 16 and rotate, the slip of swivel nut 5 has been promoted under the effect of screw thread, the slip through swivel nut 5 has driven coupling assembling's slip, the slip through coupling assembling has promoted drive seat 4 and three-jaw chuck 2 position and has removed, position through three-jaw drawing disk 2 removes, thereby can be convenient for adjust the center of three-jaw chuck 2, slide to the centre through starting an electric putter 8 and No. two electric putter 9, thereby can promote locating plate 10 and slide to the centre, make the arc recess 11 card of locating plate 10 one side on the surface of carriage release lever 7, thereby can be convenient for carry out fixed effect to the position of carriage release lever 7, thereby can be convenient for the effect to three-jaw chuck 2 position location.
In another embodiment, as shown in fig. 2, two positioning rods 12 are fixedly connected to the surfaces of the plurality of arc-shaped grooves 11, two positioning holes 13 are formed in the surfaces of both sides of the moving rod 7, and one ends of the two positioning rods 12 are inserted into the positioning holes 13.
Through locating lever 12 and locating hole 13 can be convenient for when locating plate 10 carries out the centre gripping to the position of carriage release lever 7, can further improve locating plate 10 and to carriage release lever 7 position location, improve the fastness to the 2 position fixing of three-jaw chuck.
In another embodiment, as shown in fig. 2 and 4, the connecting assembly includes a connecting screw 14 fixedly connected to the bottom of the driving seat 4, a connecting screw cylinder 15 fixedly connected to the upper surface of the screw sleeve 5, and one end of the connecting screw 14 is screwed inside the connecting screw cylinder 15.
The connecting screw rod 14 is driven to rotate by rotating the three-jaw chuck 2, and the connecting screw rod 14 rotates under the action of the threads and is arranged inside the connecting screw barrel 15, so that the three-jaw chuck 2 can be conveniently and rapidly mounted and dismounted.
In another embodiment, as shown in fig. 1, a sliding opening 17 is formed on the upper surface of the bottom plate 1, and one end of each of the connecting screw 14 and the connecting screw cylinder 15 is slidably connected inside the sliding opening 17.
When the connecting screw 14 and the connecting screw barrel 15 drive the three-jaw chuck 2 to slide at the sliding opening 17, the adjusting screw 6 and the screw sleeve 5 can be limited, and the connecting screw 14 and the connecting screw barrel 15 can slide conveniently.
The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.
Claims (6)
1. An adjustable center three-jaw chuck, includes bottom plate (1), its characterized in that: the utility model discloses a clamping device for the electric bicycle, including bottom plate (1), sliding surface of bottom plate (1) is connected with three claw chuck (2), sliding surface of three claw chuck (2) is connected with three jack catch (3), the bottom fixedly connected with drive seat (4) of three claw chuck (2), the inside of drive seat (4) is equipped with the chucking subassembly, the bottom fixedly connected with coupling assembling of drive seat (4), the inside rotation of bottom plate (1) is connected with adjusting screw (6), swivel nut (5) have been cup jointed to the surface screw thread of adjusting screw (6), the bottom fixedly connected with carriage release lever (7) of swivel nut (5), a plurality of arc recess (11) have all been seted up on the relative side surface of carriage release lever (10) to the both sides surface of bottom plate (1) inner wall respectively, the inside at arc recess (11) is established to the one end of a electric putter (8) and the equal fixedly connected with locating plate (10) of No. two electric putter (9) relatively.
2. The adjustable center three-jaw chuck according to claim 1, wherein: the surface of the arc-shaped grooves (11) is fixedly connected with two positioning rods (12), two positioning holes (13) are formed in the surfaces of the two sides of the moving rod (7), and one ends of the two positioning rods (12) are inserted into the positioning holes (13).
3. The adjustable center three-jaw chuck according to claim 1, wherein: coupling assembling includes connecting screw (14) of fixed connection in drive seat (4) bottom, the last fixed surface of swivel nut (5) is connected with and connects a screw section of thick bamboo (15), the inside at a connection screw section of thick bamboo (15) of one end threaded connection of connecting screw (14).
4. The adjustable center three-jaw chuck according to claim 1, wherein: one end of the adjusting screw rod (6) penetrates through the inner part of the bottom plate (1) and is fixedly connected with a rotating ring (16).
5. The adjustable center three-jaw chuck according to claim 3, wherein: a sliding opening (17) is formed in the upper surface of the bottom plate (1), and the connecting screw rod (14) and one end of the connecting screw cylinder (15) are connected inside the sliding opening (17) in a sliding mode.
6. The adjustable center three-jaw chuck according to claim 1, wherein: the arc-shaped grooves (11) are equidistantly distributed on one side surface of the two positioning plates (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222433147.2U CN218460906U (en) | 2022-09-14 | 2022-09-14 | Center-adjustable three-jaw chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222433147.2U CN218460906U (en) | 2022-09-14 | 2022-09-14 | Center-adjustable three-jaw chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218460906U true CN218460906U (en) | 2023-02-10 |
Family
ID=85142886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222433147.2U Active CN218460906U (en) | 2022-09-14 | 2022-09-14 | Center-adjustable three-jaw chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218460906U (en) |
-
2022
- 2022-09-14 CN CN202222433147.2U patent/CN218460906U/en active Active
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