CN212918583U

CN212918583U - Cartridge holder with high-efficient locate function

Info

Publication number: CN212918583U
Application number: CN202021836929.5U
Authority: CN
Inventors: 吴春
Original assignee: Chongqing Youertai Precision Machinery Co ltd
Current assignee: Chongqing Youertai Precision Machinery Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-09
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a collet holder with high-efficient locate function, including the cooperation clamp, cooperation clamp bottom is connected with the installation piece, the installation piece bottom is connected with the position sleeve, be equipped with the installation cavity in the position sleeve, the position sleeve bottom is connected with the spliced pole, the position sleeve bottom is connected with the barrel casing, the inboard bottom of barrel casing is connected with the fixture block, the barrel casing is connected with the collet chuck through the fixture block, the collet chuck top is connected with the position sleeve, the position sleeve is equipped with the cooperation groove with the collet chuck junction, the collet chuck top is connected with a plurality of inserted bars, a plurality of inserted bar tops are connected with lower cone head inserted block, lower cone head inserted block is connected with upper cone head inserted block, the position sleeve is equipped with the jack in the corresponding inserted bar department, the jack top both sides are equipped with spacing cavity, spacing cavity installs the pressure spring, the free end of pressure spring is connected, the free end of the compression spring is connected with the top of the installation cavity, a sliding cavity is arranged in the positioning sleeve, and a T-shaped sleeve is connected in the sliding cavity in a sliding mode.

Description

Cartridge holder with high-efficient locate function

Technical Field

The utility model belongs to the technical field of the collet chuck seat, concretely relates to collet chuck seat with high-efficient locate function.

Background

The cartridge holder is a locking device for clamping a cutter or a workpiece, is usually used on a drilling and milling machine and a machining center, is a clamping part on the cutter, is a tool for connecting a mechanical main shaft with the cutter and other accessory tools, lacks positioning effect before installation and use, lacks assembly precision in the process, and accordingly influences subsequent machining precision.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a collet holder with high-efficient locate function.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a collet holder with a high-efficiency positioning function comprises a matching collet body, wherein the matching collet body is arranged in a conical structure and matched with a front conical hole of a machine tool, the bottom of the matching collet body is connected with an installation block, the bottom of the installation block is connected with a positioning sleeve, an installation cavity is arranged in the positioning sleeve, the bottom of the positioning sleeve is connected with a connecting post, the outer surface of the connecting post is provided with external threads, the bottom of the positioning sleeve is connected with a sleeve, the sleeve is internally provided with internal threads matched with the external threads, the bottom of the inner side of the sleeve is connected with a clamping block, the sleeve is connected with a collet through the clamping block, the top of the collet is connected with a positioning sleeve, the positioning sleeve is provided with a matching groove at the joint with the collet, the top of the collet is arranged in the matching groove, the top of the collet is connected with, the utility model discloses a taper head, including lower conical head inserted block, last conical head inserted block, locating sleeve, jack, compression spring, locating sleeve, T sleeve, locating.

Further limit, the free end of the compression spring and the top of the T-shaped sleeve are fixedly installed at the top of the inner side of the installation cavity in a welding mode. The structural design makes the connection more stable.

Further, the surface of the cylinder sleeve is provided with a plurality of grooves, and the grooves are uniformly distributed on the surface of the cylinder sleeve. The structure design is convenient for taking up a special wrench to clamp and move the groove, so that the sleeve is convenient to disassemble and assemble.

Further limiting, the collet chuck is arranged in a conical structure, the collet chuck is provided with six upper contraction grooves with upward openings, the collet chuck is provided with six lower contraction grooves with downward openings, the six upper contraction grooves and the six lower contraction grooves are uniformly arranged on the periphery of the collet chuck, and the opening directions of every two adjacent upper contraction grooves and every two adjacent lower contraction grooves are opposite and are arranged at intervals. The structural design enables the drill bit to be stressed more uniformly when being clamped.

Further defined, the collet is a resilient steel collet. The structural design makes the end of the collet easy to be clamped and deformed by force.

The utility model has the advantages of it is following:

1. the utility model discloses a set up the inserted bar, when the installation location, the inserted bar on the collet chuck inserts in the jack, the inserted bar promotes down conical head inserted block and last conical head inserted block simultaneously, make the spacing head of last conical head inserted block to both sides extrude, make spacing head receive the extrusion back to remove to both sides, spacing head promotes the limiting plate when removing to both sides, make the limiting plate compress the pressing spring, when last conical head inserted block inserts to the top, the pressing spring rebounds and promotes the limiting plate, the limiting plate promotes spacing head card on lower conical head inserted block, make the installation location more convenient the machining precision that has increased;

2. the utility model discloses a set up the position sleeve, receive when the position sleeve and come from bulldozing of collet chuck, make the position sleeve along T shape cover rebound and extrude compression spring, compression spring produces the thrust after receiving the extrusion deformation, and the thrust reaction is used in the position sleeve, makes the position sleeve press to the collet chuck for the collet chuck installation is fixed, guarantees that the axis of collet chuck and the axis of main shaft are on a straight line in the position sleeve, prevents to produce machining error.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural view of a collet chuck with a high-efficiency positioning function according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a collet holder with a high-efficiency positioning function according to an embodiment of the present invention;

fig. 3 is a schematic view of a collet chuck structure of a collet chuck base with a high-efficiency positioning function according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural view of a cartridge holder with a high-efficiency positioning function at a position a in the embodiment of the present invention;

the main element symbols are as follows:

the clamping device comprises a matched clamp body 1, a mounting block 2, a positioning sleeve 3, a mounting cavity 4, a connecting column 5, external threads 6, a sleeve 7, a clamping block 8, a collet chuck 9, a positioning sleeve 10, an inserted rod 11, a lower conical head inserted block 12, an upper conical head inserted block 13, a jack 14, a limiting cavity 15, a pressing spring 16, a limiting plate 17, a limiting head 18, a compression spring 19, a sliding cavity 20, a T-shaped sleeve 21, a groove 22, an upper contraction groove 23 and a lower contraction groove 24.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in figures 1-4, the cartridge holder with high-efficiency positioning function of the utility model, the matching clamp 1 is arranged in a conical structure, the matching clamp 1 is matched with a front conical hole of a machine tool, the bottom of the matching clamp 1 is connected with an installation block 2, the bottom of the installation block 2 is connected with a positioning sleeve 3, an installation cavity 4 is arranged in the positioning sleeve 3, the bottom of the positioning sleeve 3 is connected with a connecting post 5, the outer surface of the connecting post 5 is provided with an external thread 6, the bottom of the positioning sleeve 3 is connected with a cartridge sleeve 7, the inside of the cartridge sleeve 7 is provided with an internal thread matched with the external thread 6, the bottom of the inner side of the cartridge sleeve 7 is connected with a fixture block 8, the cartridge sleeve 7 is connected with a cartridge clip 9 through the fixture block 8, the top of the cartridge clip 9 is connected with a positioning sleeve 10, the positioning sleeve 10 is provided with a matching groove at the connection part with the cartridge clip, lower cone head inserted block 12 top is connected with last cone head inserted block 13, lower cone head inserted block 12 sets up with last cone head inserted block 13 as integrated into one piece structure, position sleeve 10 is equipped with jack 14 in corresponding inserted bar 11 department, inserted bar 11 is installed in jack 14, jack 14 top both sides are equipped with spacing chamber 15, install pressing spring 16 in the spacing chamber 15, pressing spring 16's free end is connected with limiting plate 17, limiting plate 17 is connected with spacing head 18, the tip and lower cone head inserted block 12 and the last cone head inserted block 13 phase-match of spacing head 18, compression spring 19 is connected at position sleeve 10 top, compression spring 19's free end is connected with installation cavity 4 top, be equipped with sliding cavity 20 in the position sleeve 10, sliding connection has T shape cover 21 in sliding cavity 20, the top fixed mounting of T shape cover 21 is in installation cavity 4.

When the drill bit is used, the collet chuck 9 is clamped into the barrel sleeve 7 by matching with the clamp body 1 and fixedly arranged on the machine head, then the fixed end part of the drill bit is placed into the collet chuck 9, the barrel sleeve 7 is twisted to drive the collet chuck 9 to move upwards along the external thread 6, when the barrel sleeve 7 rotates clockwise, the collet chuck 9 generates axial movement, so that radial force is generated to act on the collet chuck 9, the collet chuck 9 generates elastic deformation to reduce the clamping hole diameter and clamp the drill bit, when the collet chuck 9 moves upwards, the inserted rod 11 on the collet chuck 9 is inserted into the insertion hole 14, meanwhile, the inserted rod 11 pushes the lower cone head insertion block 12 and the upper cone head insertion block 13, so that the upper cone head insertion block 13 extrudes the limiting heads 18 at two sides, the limiting heads 18 move towards two sides after being extruded, the limiting plates 17 are pushed by the limiting heads 18 when moving towards the two sides, so that the limiting plates 17 compress the pressing springs 16, when the upper conical head insert 13 is inserted to the top, the pressing spring 16 rebounds and pushes the limit plate 17, the limit plate 17 pushes the limit head 18 to be clamped on the lower conical head insert 12, meanwhile, the locating sleeve 10 is pushed by the collet 9, so that the locating sleeve 10 moves upwards along the T-shaped sleeve 21 and extrudes the compression spring 19, the compression spring 19 generates a reverse thrust after being extruded and deformed, and the reverse thrust acts on the locating sleeve 10, so that the locating sleeve 10 presses the collet 9, and the collet 9 is fixedly mounted.

Preferably, the free end of the compression spring 19 and the top of the T-shaped sleeve 21 are fixedly arranged at the top of the inner side of the mounting cavity 4 through welding. The structural design makes the connection more stable. In fact, other shapes of the attachment fixtures may be used as the case may be.

Preferably, the surface of the cartridge 7 is provided with a plurality of grooves 22, and the plurality of grooves 22 are uniformly arranged on the surface of the cartridge 7. The structural design is convenient for taking up a special wrench to clamp and move the groove 22, so that the sleeve 7 is convenient to disassemble and assemble. In fact, other shapes of the sleeve 7 can be used, as the case may be.

Preferably, the collet chuck 9 is provided in a conical structure, the collet chuck 9 is provided with six upward-opening contraction grooves 23, the collet chuck 9 is provided with six downward-opening contraction grooves 24, the six upward-opening contraction grooves 23 and the six downward-opening contraction grooves 24 are uniformly arranged around the collet chuck 9, and the opening directions of two adjacent upper contraction grooves 23 and two adjacent lower contraction grooves 24 are opposite and are arranged at intervals. The structural design enables the drill bit to be stressed more uniformly when being clamped. In fact, other configurations of the collet 9 are contemplated as the case may be.

Preferably the collet 9 is a resilient steel collet 9. The structural design makes the end of the collet 9 easy to be clamped and deformed by force. In fact, other configurations of the collet 9 are contemplated as the case may be.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a collet holder with high-efficient locate function, includes cooperation clamp (1), its characterized in that: the matched clamp body (1) is arranged in a conical structure, the matched clamp body (1) is matched with a front conical hole of a machine tool, the bottom of the matched clamp body (1) is connected with an installation block (2), the bottom of the installation block (2) is connected with a positioning sleeve (3), an installation cavity (4) is arranged in the positioning sleeve (3), the bottom of the positioning sleeve (3) is connected with a connecting column (5), external threads (6) are arranged on the outer surface of the connecting column (5), the bottom of the positioning sleeve (3) is connected with a barrel sleeve (7), internal threads matched with the external threads (6) are arranged in the barrel sleeve (7), the bottom of the inner side of the barrel sleeve (7) is connected with a clamping block (8), the barrel sleeve (7) is connected with a collet chuck (9) through the clamping block (8), the top of the collet chuck (9) is connected with a positioning sleeve (10), and a matching groove is formed in the, the top of the collet chuck (9) is arranged in a matching groove, the top of the collet chuck (9) is connected with a plurality of inserting rods (11), the tops of the inserting rods (11) are connected with a lower conical head inserting block (12), the top of the lower conical head inserting block (12) is connected with an upper conical head inserting block (13), the lower conical head inserting block (12) and the upper conical head inserting block (13) are arranged in an integrated forming structure, a jack (14) is arranged at the position corresponding to the inserting rod (11) of the positioning sleeve (10), the inserting rod (11) is arranged in the jack (14), limiting cavities (15) are arranged on two sides of the top of the jack (14), a pressing spring (16) is arranged in each limiting cavity (15), the free end of the pressing spring (16) is connected with a limiting plate (17), the limiting plate (17) is connected with a limiting head (18), and the end parts of the limiting head (18) are matched with the lower conical head inserting block (12) and the upper conical head inserting block (13), compression spring (19) is connected at position sleeve (10) top, the free end of compression spring (19) is connected with installation cavity (4) top, be equipped with in position sleeve (10) and slide chamber (20), sliding connection has T shape cover (21) in slide chamber (20), the top fixed mounting of T shape cover (21) is in installation cavity (4).

2. The collet holder with high-efficient locate function of claim 1, characterized in that: the free end of the compression spring (19) and the top of the T-shaped sleeve (21) are fixedly installed at the top of the inner side of the installation cavity (4) in a welding mode.

3. The collet holder with high-efficient locate function of claim 2 characterized in that: the surface of the barrel sleeve (7) is provided with a plurality of grooves (22), and the grooves (22) are uniformly arranged on the surface of the barrel sleeve (7).

4. The collet holder with high-efficient locate function of claim 3 characterized in that: the collet chuck (9) is arranged in a conical structure, the collet chuck (9) is provided with six upper contraction grooves (23) with upward openings, the collet chuck (9) is provided with six lower contraction grooves (24) with downward openings, the six upper contraction grooves (23) and the six lower contraction grooves (24) are uniformly arranged on the periphery of the collet chuck (9), and the opening directions of the two adjacent upper contraction grooves (23) and the lower contraction grooves (24) are opposite and are arranged at intervals.

5. The collet holder with high-efficient locate function of claim 4 characterized in that: the collet chuck (9) is an elastic steel collet chuck (9).