CN214212936U

CN214212936U - High-stability clamp assembly

Info

Publication number: CN214212936U
Application number: CN202022456980.XU
Authority: CN
Inventors: 吴勇军
Original assignee: Hangzhou Longjunma Special Steel Co ltd
Current assignee: Hangzhou Longjunma Special Steel Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-17
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to an object fixing technique field discloses a high stability's anchor clamps subassembly, and its technical scheme main points are included the chuck comprises screw thread portion, feather key portion and stiff end, screw thread portion with the stiff end set up respectively in the both ends of chuck, feather key position in screw thread portion with between the stiff end, chuck integrated into one piece, screw thread portion including set up in the external screw thread of chuck surface, feather key portion including set up in following a plurality of long keys of chuck axial evenly distributed, the utility model discloses the stiff end can adjust the size in the aperture in fixed chamber under the cooperation with the assembly body to it is fixed to make to treat fixed object through fixed chamber, and current chuck uses a long key to accomplish chuck and assembly body's installation usually, because single long key can be under long-term the use.

Description

High-stability clamp assembly

Technical Field

The utility model relates to an object fixing technology field, more specifically the anchor clamps subassembly that says so relates to a high stability.

Background

The clamp is called an elastic clamp or a collet chuck, and is a cylindrical clamp used for fixing a drill or a milling cutter on a milling machine. The fixing device is also used for fixing and reinforcing the part needing to be modified.

In the use process of the existing clamp, an object to be fixed is usually inserted into the clamp, and then the clamp is fixed on an assembly body in a threaded connection mode.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a fixture assembly of high stability for overcome the above-mentioned defect among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high stability's anchor clamps subassembly, includes chuck and assembly body, the chuck comprises screw thread portion, feather key portion and stiff end, screw thread portion with the stiff end is the both ends of chuck, feather key position in screw thread portion with between the stiff end, chuck integrated into one piece, screw thread portion is the external screw thread of chuck surface, feather key portion is for following a plurality of long keys of chuck axial evenly distributed, in the chuck the stiff end splits into the clamping piece of a plurality of partitions along the axial direction, the chuck is provided with the one end orientation of stiff end the direction diameter of long key reduces gradually, makes the chuck insert the in-process in first locking chamber, the chuck is seted up the one end that has the deformation groove and can slowly deform to the completion is treated the fixed of pressing from both sides the object, the chuck is provided with fixed chamber along the axle center direction, the fixed cavity penetrates through the chuck, the fixed end can adjust the aperture of the fixed cavity under the matching with the assembly body, so that the object to be fixed is fixed by the fixing cavity, the existing chuck usually uses a long key to complete the installation of the chuck and the assembly body, because a single long key can increase the clearance between the long key and the assembly body under long-term use, the assembly body and the chuck are easy to loose, and the subsequent processing process can be easily carried out, because the workpiece or the cutter is not fixed firmly, the precision of the processed product is affected, and the utility model adopts a plurality of long keys to form a spline shaft to complete the installation of the chuck and the assembly body, in actual processing, the pressure generated by the assembly body on the long keys is dispersed to the long keys, so that the service life of the long keys is prolonged;

the first locking lever with the second locking lever passes through the bearing and is connected, be provided with in the first locking lever first locking chamber, first locking chamber runs through first locking lever, be provided with in the second locking lever second locking chamber, first locking chamber with second locking chamber communicates with each other, be provided with in the first locking chamber with the spout of long key looks adaptation, be provided with in the second locking lever with the internal thread of external screw thread looks adaptation, through the internal thread with the setting of external screw thread, can accomplish with the chuck with the assembly of second locking lever, through long key assembly combines together with the internal and external screw thread assembly, can improve to a certain extent the stability of chuck.

As a further improvement of the present invention, the long key is provided with an opening along the chuck circumferential direction, and the opening forms a first groove, the chuck outer surface circumferential direction is further provided with a second groove, the second groove is located between the external thread and the long key, the first groove and the second groove are all used for placing an elastic ring, and the gap between the assembly bodies can be filled up by the elastic ring, thereby improving the stability between the chuck and the assembly bodies.

As a further improvement, all be provided with the breach on the clamping piece, it is adjacent on the clamping piece the breach forms the draw-in groove, can dismantle in the draw-in groove be connected with the elastic block of draw-in groove looks adaptation, the elastic block with the fixed slot cooperatees the back, can place the chuck inserts the in-process in first locking chamber provides certain buffer power, prevents because the sudden deformation of chuck causes the collapsing of chuck is disconnected.

As a further improvement of the utility model, be close to in the chuck the terminal surface of the one end of stiff end is provided with a plurality of sockets, through the setting of socket can to insert in the socket with the tightening tool of its looks adaptation, it is right to accomplish through rotatory tightening tool the chuck with the threaded connection of second check lock lever, labour saving and time saving more can guarantee moreover the second check lock lever with the locking force of chuck is in firm state.

As a further improvement of the utility model, the number of the long keys is 16-24, so that the requirement on the matching precision is not too strict while the stability of the long keys and the assembly body is ensured.

The utility model has the advantages that: the fixed end of the utility model can adjust the aperture of the fixed cavity under the matching with the assembly body, so that the object to be fixed is fixed through the fixed cavity, the existing chuck usually uses a long key to complete the installation of the chuck and the assembly body, because the single long key can be used for a long time, the gap between the long key and the assembly body can be increased, the assembly body and the chuck are easy to loose, which can cause the influence on the precision of the processed product because the workpiece or the cutter is not fixed and firm in the subsequent processing process, the installation of the chuck and the assembly body is completed by adopting the spline shaft formed by a plurality of long keys, in the actual processing, the pressure generated by the assembly body to the long key is dispersed on each long key, the service life of the long key is prolonged, and the assembly of the chuck and the second locking rod can be completed through the arrangement of the internal thread and the external thread, the long key assembly and the internal and external thread assembly are combined, so that the stability of the chuck can be improved to a certain extent.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view in cross-section of the chuck of FIG. 1 according to the present invention;

fig. 3 is a front view of the assembly of fig. 1 in cross-section according to the present invention.

Reference numerals: 1. a chuck; 11. a threaded portion; 12. a sliding key part; 121. a long bond; 13. a fixed end; 131. a clip; 132. a card slot; 14. a fixed cavity; 15. a first groove; 16. a second groove; 17. a socket; 2. an assembly body; 21. a first locking lever; 22. a first locking cavity; 23. a second locking lever; 24. a chute; 25. a second locking cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, 2 and 3, the high-stability clamp assembly of the present embodiment includes a clamp head 1 and an assembly body 2, the clamp head 1 is composed of a threaded portion 11, a sliding key portion 12 and a fixed end 13, the threaded portion 11 and the fixed end 13 are two ends of the clamp head 1, the sliding key portion 12 is located between the threaded portion 11 and the fixed end 13, the clamp head 1 is integrally formed, the threaded portion 11 is an external thread on an outer surface of the clamp head 1, the sliding key portion 12 includes a plurality of long keys 121 uniformly distributed along an axial direction of the clamp head 1, the fixed end 13 of the clamp head 1 is split into a plurality of equally divided clamping pieces 131 along the axial direction, a diameter of one end of the clamp head 1 provided with the fixed end 13 is gradually reduced toward the long keys 121, a fixed cavity 14 is provided along the axial direction of the clamp head 1, and the fixed cavity 14 penetrates through the clamp head 1; the assembly body 2 comprises a first locking rod 21 and a second locking rod 23, the first locking rod 21 is connected with the second locking rod 23 through a bearing, a first locking cavity 22 is arranged in the first locking rod 21, the first locking cavity 22 penetrates through the first locking rod 21, a second locking cavity 25 is arranged in the second locking rod 23, the first locking cavity 22 is communicated with the second locking cavity 25, a sliding groove 24 matched with a long key 121 is arranged in the first locking cavity 22, an internal thread matched with an external thread is arranged in the second locking rod 23, a substitute fixed object is inserted into a fixing groove, then a thread part 11 of the chuck 1 is aligned in the first locking cavity 22, then the chuck 1 is moved towards the second locking cavity 25, the long key 121 is drawn into the sliding groove 24, then the chuck 1 is rotated, so that the external thread of the chuck 1 is screwed into the internal thread of the second locking rod 23, and simultaneously the long key 121 and the sliding groove 24 drive the first locking rod 21 to rotate, in this process, the chuck 1 is moved in the direction of the second locking chamber 25 as a whole, and since the diameter of the end of the chuck 1 where the fixed end 13 is provided is large, the first locking chamber 22 gives a pressure toward the axis to fix the belt fixing object firmly.

Referring to fig. 2, the long key 121 is provided with openings along the circumferential direction of the chuck 1, the openings form a first groove 15, a second groove 16 is further provided along the circumferential direction of the outer surface of the chuck 1, the second groove 16 is located between the external thread and the long key 121, and the first groove 15 and the second groove 16 are both used for placing elastic rings.

Referring to fig. 1, the clips 131 are provided with notches, the notches of adjacent clips 131 form a clamping groove 132, and an elastic block matched with the clamping groove 132 is detachably connected in the clamping groove 132.

Referring to fig. 1, the end surface of the cartridge 1 near one end of the fixed end 13 is provided with a plurality of insertion holes 17.

Referring to fig. 2 and 3, the number of the long keys 121 is between 16 and 24.

The working principle is as follows: the elastic block is firstly put into the clamping groove 132, the elastic rings are respectively put into the first groove 15 and the second groove 16, then the fixing object is inserted into the fixing groove, then the thread part 11 of the chuck 1 is aligned with the first locking cavity 22, then the chuck 1 is moved towards the second locking cavity 25, the long key 121 is drawn into the sliding groove 24, then the chuck 1 is rotated, so that the external thread of the chuck 1 is screwed into the internal thread of the second locking rod 23, simultaneously the long key 121 and the sliding groove 24 drive the first locking rod 21 to rotate, in the process, the whole chuck 1 moves towards the direction of the second locking cavity 25, because the diameter of the end of the chuck 1 provided with the fixed end 13 is larger, the first locking cavity 22 gives a pressure towards the axis of the clamping piece 131, the elastic block can provide a counter-acting force compared with the pressure, so as to prevent the clamping piece 131 from breaking due to sudden deformation, the clip 131 is slowly deformed to firmly hold the tape fixture.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A high stability's anchor clamps subassembly, includes chuck (1) and assembly body (2), its characterized in that: the chuck (1) consists of a thread part (11), a sliding key part (12) and a fixed end (13), the thread part (11) and the fixed end (13) are two ends of the chuck (1), the sliding key part (12) is positioned between the threaded part (11) and the fixed end (13), the chuck (1) is integrally formed, the thread part (11) is an external thread on the outer surface of the chuck (1), the sliding key part (12) is a plurality of long keys (121) which are evenly distributed along the axial direction of the chuck (1), the fixed end (13) in the clamping head (1) is split into a plurality of equally divided clamping pieces (131) along the axial direction, the diameter of one end of the chuck (1) provided with a fixed end (13) is gradually reduced towards the direction of the long key (121), a fixed cavity (14) is formed in the chuck (1) along the axis direction, and the fixed cavity (14) penetrates through the chuck (1);

assembly body (2) include first check lock pole (21) and second check lock pole (23), first check lock pole (21) with second check lock pole (23) pass through the bearing and connect, be provided with first locking chamber (22) in first check lock pole (21), first locking chamber (22) run through first check lock pole (21), be provided with second locking chamber (25) in second check lock pole (23), first locking chamber (22) with second locking chamber (25) communicate with each other, be provided with in first locking chamber (22) with spout (24) of long key (121) looks adaptation, be provided with in second check lock pole (23) with the internal thread of external screw thread looks adaptation.

2. A high stability clamp assembly as claimed in claim 1, wherein: the long key (121) is provided with openings in the circumferential direction of the chuck (1), the openings form a first groove (15), a second groove (16) is further formed in the circumferential direction of the outer surface of the chuck (1), the second groove (16) is located between the external thread and the long key (121), and elastic rings are placed in the first groove (15) and the second groove (16).

3. A high stability clamp assembly as claimed in claim 1, wherein: the clamping piece (131) is provided with notches, the notches on the clamping piece (131) are adjacent to each other to form a clamping groove (132), and an elastic block matched with the clamping groove (132) is detachably connected in the clamping groove (132).

4. A high stability clamp assembly as claimed in claim 1, wherein: a plurality of sockets (17) are arranged on the end face, close to one end of the fixed end (13), of the chuck (1).

5. A high stability clamp assembly as claimed in claim 1, wherein: the number of the long keys (121) is between 16 and 24.