CN214920606U

CN214920606U - Improved three-jaw chuck

Info

Publication number: CN214920606U
Application number: CN202121399987.0U
Authority: CN
Inventors: 毕明皓
Original assignee: Wafangdian Huantong Machine Tool Accessories Co ltd
Current assignee: Wafangdian Huantong Machine Tool Accessories Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-11-30
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses an improved generation three-jaw chuck, including the chuck body, the surface movable mounting of chuck body has jack catch removal portion, the surface of jack catch removal portion has jack catch clamping part through slider assembly swing joint, slider assembly includes removal track and removal slider, removal slider fixed mounting is in the bottom of jack catch clamping part, removal track cooperation removal slider slides and sets up in the surface of jack catch removal portion, pass through locating component fixed connection between jack catch removal portion and the jack catch clamping part, locating component includes locating hole, screw bolt, screw cap and intercommunicating pore, locating hole cooperation screw bolt runs through jack catch removal portion and sets up in the surface of jack catch removal portion, intercommunicating pore cooperation screw bolt runs through removal slider and sets up in the surface of removal slider; the chuck mechanism not only can clamp thinner workpieces, but also can clamp workpieces with smaller diameters.

Description

Improved three-jaw chuck

Technical Field

The utility model belongs to the chuck field, concretely relates to improved generation three-jaw chuck.

Background

When a workpiece is machined, the workpiece needs to be clamped, a plurality of clamping tools are provided, the clamping tools comprise a three-jaw chuck, the three-jaw chuck is a machine tool accessory which clamps and positions the workpiece by utilizing the radial movement of three movable clamping jaws uniformly distributed on a chuck body, and the use is convenient.

By inspection, patent publication No. CN210172570U discloses a three-jaw chuck, comprising: a chuck body; the clamping device comprises a chuck body, three clamping jaws and a clamping part, wherein the chuck body is uniformly distributed along the circumference, the clamping jaws can move along the radial direction of the chuck body, the clamping jaws are provided with a plurality of clamping parts arranged in a ladder way, each clamping part comprises a first clamping surface and a first top surface connected with the first clamping surface, and the first clamping surface is provided with a first clamping thickness.

Although the three-jaw chuck can clamp thinner products, the three-jaw chuck can only clamp products with a certain diameter, if some workpieces with small diameters need to be machined, the jaws can only be replaced under the condition, otherwise, the jaws cannot clamp and fix the workpieces, and the workpieces cannot be machined, so that the improved three-jaw chuck is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation three-jaw chuck to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improved generation three-jaw chuck, includes the chuck body, the surface movable mounting of chuck body has jack catch removal portion, there is the jack catch clamping part jack catch removal portion surface through slider assembly swing joint, slider assembly is including removing the track and removing the slider, remove slider fixed mounting in the bottom of jack catch clamping part, it slides and sets up in the surface of jack catch removal portion to remove the track cooperation removal slider, through locating component fixed connection between jack catch removal portion and the jack catch clamping part.

Preferably, the positioning assembly comprises a positioning hole, a threaded bolt, a threaded cap and a communicating hole, the positioning hole is matched with the threaded bolt to penetrate through the jaw moving part and is arranged on the surface of the jaw moving part, the communicating hole is matched with the threaded bolt to penetrate through the movable sliding block and is arranged on the surface of the movable sliding block, and the threaded bolt is in threaded connection with the threaded cap.

Preferably, locating component is including rotating bolt, screw hole, rotation hole, spacing dish and spacing groove, it runs through the jack catch removal portion and sets up in the surface of jack catch removal portion to rotate the hole cooperation and rotate the bolt, screw hole cooperation rotation bolt sets up in the surface of removing the slider with removing slider threaded connection, be fixed connection between spacing dish and the rotation bolt, spacing groove cooperation spacing dish rotates and sets up in the surface of jack catch removal portion.

Preferably, the surface of the clamping jaw clamping part is fixedly provided with an upper positioning block, and the surface of the clamping jaw moving part is fixedly provided with a lower positioning block.

Preferably, the surface of the clamping part of the clamping jaw is movably connected with a gasket, and the movable sliding block is a square block.

Preferably, the section of the clamping part of the clamping jaw is L-shaped, and the section of the moving part of the clamping jaw is I-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through jack catch clamping part, removal slider and jack catch removal portion, through removing slider along removing orbital track removal for jack catch removal portion can remove each other with the jack catch clamping part, makes the distance that this three-jaw chuck can remove bigger, is favorable to on original basis can the product that the centre gripping diameter is littleer.

2. Through locating component, can fix the jack catch clamping part, make the jack catch clamping part carry out the centre gripping to the work piece to the distance that knows that three group jack catch clamping parts that can be clear move is unequal mutually, is favorable to reducing the condition emergence that three group jack catch clamping parts moving distance is unequal to cause frequent adjustment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a first schematic structural diagram of the present invention;

fig. 2 is a side sectional view of a first jaw moving portion and a jaw clamping portion of the present invention;

FIG. 3 is a second schematic structural diagram of the present invention;

fig. 4 is a front cross-sectional view of a second jaw moving portion and a jaw clamping portion of the present invention;

in the figure: 1. a chuck body; 2. a claw moving part; 3. a moving track; 4. moving the slide block; 5. a jaw clamping portion; 6. positioning holes; 7. a threaded bolt; 8. a threaded cap; 9. a communicating hole; 10. an upper positioning block; 11. a lower positioning block; 12. rotating the bolt; 13. a threaded hole; 14. a gasket; 15. rotating the hole; 16. a limiting disc; 17. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides an improved generation three-jaw chuck, including the chuck body 1, the surface movable mounting of chuck body 1 has jack catch removal portion 2, there is jack catch clamping part 5 jack catch removal portion 2's surface through sliding block set swing joint, sliding block set is including moving track 3 and removal slider 4, remove 4 fixed mounting in the bottom of jack catch clamping part 5 of slider, move 3 cooperation of track and remove 4 slides of slider and set up in the surface of jack catch removal portion 2, through locating component fixed connection between jack catch removal portion 2 and the jack catch clamping part 5.

Further, locating component includes locating hole 6, the screw thread is tied 7, screw cap 8 and intercommunicating pore 9, locating hole 6 cooperation screw thread is tied 7 and is run through jack catch removal portion 2 and set up in the surface of jack catch removal portion 2, intercommunicating pore 9 cooperation screw thread is tied 7 and is run through removal slider 4 and set up in the surface of removal slider 4, threaded connection between screw thread is tied 7 and the screw cap 8, the number distribution of locating hole 6 has the multiunit, can remove jack catch clamping part 5, and make intercommunicating pore 9 align with different locating holes 6, then tie 7 the screw thread and run through jack catch removal portion 2 and removal slider 4, can fix jack catch clamping part 5, the distance that also enables three group jack catch clamping parts 5 to remove is the same.

Furthermore, the surface of the clamping jaw clamping part 5 is movably connected with a gasket 14, the movable sliding block 4 is a square block, the section of the clamping jaw clamping part 5 is L-shaped, and the section of the clamping jaw moving part 2 is I-shaped.

The utility model discloses a theory of operation and use flow: when the chuck is used, the movable sliding block 4 is driven to move along the rail of the movable rail 3 by moving the jaw clamping parts 5, the communicating holes 9 are aligned with the positioning holes 6 at proper positions, then the threaded bolts 7 are inserted, the threaded bolts 7 pass through the positioning holes 6 and the communicating holes 9, then the threaded caps 8 are in threaded connection with the threaded bolts 7 on the other side of the jaw moving parts 2, the jaw clamping parts 5 are fixed, the operation methods of the three groups of jaw clamping parts 5 are the same, the positions of the positioning holes 6 aligned with the communicating holes 9 on the three groups of jaw clamping parts 5 are ensured to be the same, and then the jaw moving parts 2 are moved, so that the three groups of jaw clamping parts 5 clamp and fix workpieces.

Example 2

Referring to fig. 3 and 4, the technical solution provided by the present invention is based on the solution of embodiment 1, and proposes the following alternatives: the locating component comprises a rotating bolt 12, a threaded hole 13, a rotating hole 15, a limiting disc 16 and a limiting groove 17, the rotating hole 15 is matched with the rotating bolt 12 to penetrate through the claw moving part 2 to be arranged on the surface of the claw moving part 2, the threaded hole 13 is matched with the rotating bolt 12 to be connected with the moving slider 4 in a threaded mode to be arranged on the surface of the moving slider 4, a fixed connection is formed between the limiting disc 16 and the rotating bolt 12, the limiting groove 17 is matched with the limiting disc 16 to rotate to be arranged on the surface of the claw moving part 2, an upper locating block 10 is fixedly arranged on the surface of the claw clamping part 5, a lower locating block 11 is fixedly arranged on the surface of the claw moving part 2, and the distances of the three groups of claw clamping parts 5 are different in phase by being inlaid with the lower locating block 10.

The utility model discloses a theory of operation and use flow: when the chuck is used, the rotating bolt 12 is rotated, the limiting disc 16 is driven to rotate in the limiting groove 17, the rotating bolt 12 penetrates through the jaw moving part 2 and is movably connected with the jaw moving part 2 through the rotating hole 15, the rotating bolt 12 is in threaded connection with the moving slide block 4 through the threaded hole 13, when the rotating bolt 12 rotates, the moving slide block 4 can be driven to move along the track of the moving track 3 until the jaw clamping parts 5 move to proper positions, the operation methods of the three groups of jaw clamping parts 5 are the same, and after the three groups of jaw clamping parts 5 are guaranteed to move, the upper positioning block 10 is embedded with the lower positioning block 11 at the same position, then the jaw moving part 2 is moved, and the three groups of jaw clamping parts 5 clamp and fix a workpiece.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation three-jaw chuck, includes chuck body (1), its characterized in that: the utility model discloses a clamping jaw moving part, including chuck body (1), the surperficial movable mounting of jack jaw moving part (2) has jack jaw clamping part (5), slider assembly has jack jaw clamping part (5) through slider assembly swing joint, slider assembly is including removing track (3) and removal slider (4), remove slider (4) fixed mounting in the bottom of jack jaw clamping part (5), it slides and sets up in the surface of jack jaw moving part (2) to remove track (3) cooperation removal slider (4), through locating component fixed connection between jack jaw moving part (2) and jack jaw clamping part (5).

2. An improved three-jaw chuck according to claim 1, wherein: the positioning assembly comprises a positioning hole (6), a threaded bolt (7), a threaded cap (8) and a communicating hole (9), the positioning hole (6) is matched with the threaded bolt (7) to penetrate through the jaw moving part (2) to be arranged on the surface of the jaw moving part (2), the communicating hole (9) is matched with the threaded bolt (7) to penetrate through the moving slide block (4) to be arranged on the surface of the moving slide block (4), and the threaded bolt (7) is in threaded connection with the threaded cap (8).

3. An improved three-jaw chuck according to claim 1, wherein: locating component is including rotating bolt (12), screw hole (13), rotating hole (15), spacing dish (16) and spacing groove (17), rotating hole (15) cooperation rotating bolt (12) and running through jack catch removal portion (2) and set up in the surface of jack catch removal portion (2), screw hole (13) cooperation rotating bolt (12) and removal slider (4) threaded connection set up in the surface of removal slider (4), be fixed connection between spacing dish (16) and rotating bolt (12), spacing groove (17) cooperation spacing dish (16) are rotated and are set up in the surface of jack catch removal portion (2).

4. An improved three-jaw chuck according to claim 1, wherein: the surface fixing of jack catch clamping part (5) installs locating piece (10) on, the surface fixing of jack catch removal portion (2) installs down locating piece (11).

5. An improved three-jaw chuck according to claim 1, wherein: the surface of the clamping jaw clamping part (5) is movably connected with a gasket (14), and the movable sliding block (4) is a square block.

6. An improved three-jaw chuck according to claim 1, wherein: the cross section of the clamping jaw clamping part (5) is L-shaped, and the cross section of the clamping jaw moving part (2) is I-shaped.