CN214922590U

CN214922590U - Novel quick change frock

Info

Publication number: CN214922590U
Application number: CN202121501621.XU
Authority: CN
Inventors: 高原; 邹永平; 王冲
Original assignee: Xianyang Chengen Machinery Technology Co ltd
Current assignee: Xianyang Chengen Machinery Technology Co ltd
Priority date: 2021-07-03
Filing date: 2021-07-03
Publication date: 2021-11-30
Anticipated expiration: 2031-07-03

Abstract

The utility model discloses a novel quick-change tool, which belongs to the technical field of machining and comprises a pull rod, a connecting shaft, a pull head, a main shaft, a connecting disc, a connecting screw, a positioning disc, a positioning screw, a quick expansion sleeve and an expansion sleeve screw, wherein one end of the pull rod is connected with a telescopic rod of a hydraulic cylinder through a coupler, and the other end of the pull rod is connected with the pull head through the connecting shaft; the quick expansion sleeve is installed in the connecting disc through a positioning screw and matched with the pull head, and the pull head can move back and forth to drive the quick expansion sleeve to expand or contract. The utility model discloses a novel fixed knot constructs, utilizes cover and pull head structure expand, fixed orifices class spare, axle class spare that can be convenient, quick compares with fixed knot structures such as current chuck, buckle, has high removal and replacement efficiency and operational reliability, and this cover that expands can change the diameter fast under the effect of pull head to reliable fixed, locating hole class spare or axle class spare, this scheme positioning process is simple, easy operation, strong adaptability.

Description

Novel quick change frock

Technical Field

The utility model belongs to the technical field of machining, especially, relate to a novel quick change frock.

Background

The tooling is a technical device: refers to the generic term for various tools used in the manufacturing process, including tool/clamp/mold/gauge/fixture/accessory/bench tool/station tool, etc. The clamp is a device for clamping a workpiece (or guiding a cutter). Among the prior art, to processing, fixed of pipe fitting or hole spare, the comparatively complicated vice of universal adoption, buckle isotructure, current frock has following problem: 1) the clamping and the dismounting are unchanged, at least two fixing surfaces are needed no matter the clamping is performed by a vice, a buckle or a clamping plate, and the part is clamped and fixed by utilizing the displacement change between the fixing surfaces; 2) aiming at thin-wall parts, the parts are easy to deform by using a vice, a buckle or a clamping plate.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a novel quick change frock utilizes the cover and the pull head structure of expanding, can be convenient, quick fixed orifices class piece, axle class piece, compares with fixed knot structures such as current chuck, buckle, has high tear open and trades efficiency and operational reliability, and this cover that expands can change the diameter under the effect of pull head fast to reliable fixed, locating hole class piece or axle class piece, this scheme positioning process is simple, easy operation, strong adaptability.

The utility model adopts the following technical scheme:

the utility model provides a novel quick change frock, installs on the lathe including pull rod, connecting axle, pull head, main shaft, connection pad, connecting screw, positioning disk, set screw, the quick cover that expands and the cover screw that expands, wherein: one end of the pull rod is connected with a telescopic rod of the hydraulic cylinder through a coupler, and the other end of the pull rod is connected with a pull head through a connecting shaft; one side of the main shaft is arranged on the machine tool, the other side of the main shaft is provided with the connecting disc, and the connecting disc and the main shaft are both arranged on the machine tool through connecting screws; the quick expansion sleeve is arranged in the connecting disc through a positioning screw and matched with the puller, and the puller can move back and forth to drive the quick expansion sleeve to expand or contract; the positioning disc is installed on the connecting disc through an expansion sleeve screw and is used for fixing the quick expansion sleeve.

Preferably, the connecting axle includes the axis body, the one end of axis body is provided with the connecting hole, and the other end of axis body is provided with the connection boss, wherein: the connecting boss is connected in the connecting concave table of the pull rod through threads.

Preferably, the pull head comprises an expansion head arranged in the quick expansion sleeve, the contact surface between the outer wall of the expansion head and the inner wall of the quick expansion sleeve is of an inclined plane structure, the bottom of the expansion head is sequentially provided with a pull arm and a connecting pipe, and the connecting pipe is arranged in the connecting hole through threads.

Preferably, the quick cover that expands is provided with the cover mesopore including the cover base that expands, the middle part of the cover base that expands, and the periphery of the cover base that expands is provided with the cover side opening, and the inside of the cover base that expands is provided with the cover chamber that expands, expand and set up a plurality of cover grooves that expand in the symmetry on the chamber, expand and set up the lubrication hole on the lateral wall in chamber.

Preferably, the middle part of connection pad is provided with the connecting shaft chamber, the one end in connecting shaft chamber is used for connecting the boss of main shaft, and the other end in connecting shaft chamber is used for installing the quick cover that expands, and the periphery of connection pad is provided with installs connect through-hole and connection side opening, and the bottom in connecting shaft chamber is provided with the connection bottom outlet.

Preferably, the middle part of positioning disk is provided with the location shaft hole, and the periphery symmetry of positioning disk is provided with the location side opening.

The utility model discloses a novel quick change frock has following beneficial effect:

the utility model provides a novel quick change frock utilizes the cover and the pull head structure of expanding, can make things convenient for, quick fixed orifices class piece, axle class piece, compares with fixed knot structures such as current chuck, buckle, has high tear open and trades efficiency and operational reliability, and this cover that expands can change the diameter fast under the effect of pull head to reliable fixed, locating hole class piece or axle class piece, this scheme positioning process is simple, easy operation, strong adaptability. In addition, the damage of traditional tools to parts can be effectively avoided by utilizing the expansion characteristic of the expansion sleeve to fix the hole parts and the shaft parts, and particularly the deformation of thin-wall parts easily caused by using vices, buckles or clamping plates is effectively avoided.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the structure of the pull rod of the present invention;

fig. 3 is a schematic view of the structure of the connecting shaft of the present invention;

FIG. 4 is a schematic view of the slider structure of the present invention;

fig. 5 is a schematic view of a first structure of the quick expansion sleeve of the present invention;

fig. 6 is a second structural schematic diagram of the quick expansion sleeve of the present invention;

fig. 7 is a schematic diagram of the connection pad structure of the present invention;

fig. 8 is a schematic view of a first structure of the positioning plate of the present invention;

fig. 9 is a second structural schematic diagram of the positioning plate of the present invention.

Wherein, 1-machine tool, 2-draw bar, 201-connection concave table, 3-connection shaft, 301-shaft body, 302-connection hole, 303-connection boss, 4-pull head, 401-expansion head, 402-inclined surface structure, 403-pull arm, 404-connection pipe, 5-main shaft, 6-connection disc, 601-connection shaft cavity, 602-connection through hole, 603-connecting side holes, 604-connecting bottom holes, 7-connecting screws, 8-positioning plates, 801-positioning shaft holes, 802-positioning side holes, 9-positioning screws, 10-quick expansion sleeves, 1001-expansion sleeve bases, 1002-sleeve middle holes, 1003-sleeve side holes, 1004-expansion sleeve cavities, 1005-expansion sleeve grooves, 1006-lubricating holes and 11-expansion sleeve screws.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 9, the quick-change tool is installed on a machine tool 1, and can conveniently and quickly fix hole-type parts and shaft-type parts by using an expansion sleeve and a pull head structure, and has higher disassembly and replacement efficiency and operational reliability compared with the existing fixing structures such as a chuck and a buckle, and specifically, the quick-change tool comprises a pull rod 2, a connecting shaft 3, a pull head 4, a main shaft 5, a connecting disc 6, a connecting screw 7, a positioning disc 8, a positioning screw 9, a quick expansion sleeve 10 and an expansion sleeve screw 11, in this embodiment, one end of the pull rod 2 is connected with a telescopic rod of a hydraulic cylinder through a coupler, the other end of the pull rod 2 is connected with the pull head 4 through the connecting shaft 3, wherein the connecting shaft 3 comprises a shaft body 301, one end of the shaft body 301 is provided with a connecting hole 302, the other end of the shaft body 301 is provided with a connecting boss 303, the connecting boss 303 is connected in a connecting concave table 201 of the pull rod 2 through a screw thread, the pull head 4 is including installing the expansion head 401 in the cover 10 that expands fast, and the contact surface of expansion head 401 outer wall and the quick cover 10 inner wall that expands is inclined plane structure 402, and the bottom of expansion head 401 has set gradually pull arm 403 and connecting pipe 404, and connecting pipe 404 passes through the threaded mounting in connecting hole 302, and the concertina movement of pneumatic cylinder can drive pull head 4 and remove, because inclined plane structure 402's existence, pull head 4's removal will drive quick cover 10 that expands or contracts.

In the figure, one side of a main shaft 5 is installed on a machine tool 1, the other side of the main shaft 5 is provided with a connecting disc 6 through a boss, the middle of the main shaft 5 is provided with a through hole for accommodating a connecting shaft 3, the connecting disc 6 and the main shaft 5 are both installed on the machine tool 1 through a connecting screw 7, the middle of the connecting disc 6 is provided with a connecting shaft cavity 601, one end of the connecting shaft cavity 601 is used for connecting the boss of the main shaft 5, the other end of the connecting shaft cavity 601 is used for installing a quick expansion sleeve 10, the periphery of the connecting disc 6 is provided with a connecting through hole 602 and a connecting side hole 603, the bottom of the connecting shaft cavity 601 is provided with a connecting bottom hole 604, wherein the connecting through hole 602 is used for installing the connecting screw 7, and the connecting side hole 603 is used for installing an expansion sleeve screw 11.

It should be noted that the middle part of the positioning disk 8 is provided with a positioning shaft hole 801, the periphery of the positioning disk 8 is symmetrically provided with positioning side holes 802, the positioning side holes 802 are used for installing the expansion sleeve screw 11, and the positioning disk 8 is installed on the connecting disk 6 through the expansion sleeve screw 11 and is used for fixing the rapid expansion sleeve 10. The rapid expansion sleeve 10 is arranged in the connecting disc 6 through a positioning screw 9 and matched with the pull head 4, and the pull head 4 can move back and forth to drive the rapid expansion sleeve 10 to expand or contract; in this embodiment, quick cover 10 that expands is including the cover base 1001 that expands, and the middle part of the cover base 1001 that expands is provided with cover mesopore 1002, and cover mesopore 1002 is used for holding the arm-drag 403, and the periphery of the cover base 1001 that expands is provided with cover side hole 1003, and cover side hole 1003 is used for erection joint screw 7, and the inside of the cover base 1001 that expands is provided with the cover chamber 1004 that expands, and a plurality of cover grooves 1005 that expand have been seted up to the symmetry on the cover chamber 1004 that expands, and the cover groove 1005 that expands is used for deformation, has seted up lubrication hole 1006 on the lateral wall of the cover chamber 1004 that expands.

This quick change frock utilizes expand cover and pull head structure, and fixed orifices class piece, axle class piece that can make things convenient for, quick compare with fixed knot structures such as current chuck, buckle, have high tear open and trade efficiency and operational reliability, should expand the cover and can change the diameter under the effect of pull head fast to reliable fixed, locating hole class piece or axle class piece, this scheme location process is simple, easy operation, strong adaptability. In addition, the damage of traditional tools to parts can be effectively avoided by utilizing the expansion characteristic of the expansion sleeve to fix the hole parts and the shaft parts, and particularly the deformation of thin-wall parts easily caused by using vices, buckles or clamping plates is effectively avoided.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel quick change frock installs on lathe (1), its characterized in that, including pull rod (2), connecting axle (3), pull head (4), main shaft (5), connection pad (6), connecting screw (7), positioning disk (8), set screw (9), expand set (10) fast and expand set screw (11), wherein:

one end of the pull rod (2) is connected with a telescopic rod of the hydraulic cylinder through a coupler, and the other end of the pull rod (2) is connected with a pull head (4) through a connecting shaft (3);

one side of the main shaft (5) is installed on the machine tool (1), the other side of the main shaft (5) is provided with the connecting disc (6), and the connecting disc (6) and the main shaft (5) are installed on the machine tool (1) through connecting screws (7);

the rapid expansion sleeve (10) is arranged in the connecting disc (6) through a positioning screw (9) and matched with the puller (4) for tooling, and the puller (4) can move back and forth to drive the rapid expansion sleeve (10) to expand or contract;

the positioning plate (8) is installed on the connecting plate (6) through an expansion sleeve screw (11) and used for fixing a quick expansion sleeve (10).

2. The novel quick-change tool according to claim 1, wherein the connecting shaft (3) comprises a shaft body (301), one end of the shaft body (301) is provided with a connecting hole (302), the other end of the shaft body (301) is provided with a connecting boss (303), wherein:

the connecting boss (303) is connected in the connecting boss (201) of the pull rod (2) through threads.

3. The novel quick-change tool according to claim 2, characterized in that the pull head (4) comprises an expansion head (401) installed in the quick expansion sleeve (10), the contact surface between the outer wall of the expansion head (401) and the inner wall of the quick expansion sleeve (10) is an inclined surface structure (402), a pull arm (403) and a connecting pipe (404) are sequentially arranged at the bottom of the expansion head (401), and the connecting pipe (404) is installed in the connecting hole (302) through threads.

4. The novel quick-change tool according to claim 3, wherein the quick expansion sleeve (10) comprises an expansion sleeve base (1001), a sleeve middle hole (1002) is formed in the middle of the expansion sleeve base (1001), sleeve side holes (1003) are formed in the periphery of the expansion sleeve base (1001), an expansion sleeve cavity (1004) is formed in the expansion sleeve base (1001), a plurality of expansion sleeve grooves (1005) are symmetrically formed in the expansion sleeve cavity (1004), and lubricating holes (1006) are formed in the side wall of the expansion sleeve cavity (1004).

5. The novel quick-change tool according to claim 4, characterized in that a connecting shaft cavity (601) is arranged in the middle of the connecting disc (6), one end of the connecting shaft cavity (601) is used for connecting a boss of the main shaft (5), the other end of the connecting shaft cavity (601) is used for installing the quick expansion sleeve (10), a connecting through hole (602) and a connecting side hole (603) are arranged on the periphery of the connecting disc (6), and a connecting bottom hole (604) is arranged at the bottom of the connecting shaft cavity (601).

6. The novel quick-change tool according to claim 5, characterized in that a positioning shaft hole (801) is formed in the middle of the positioning plate (8), and positioning side holes (802) are symmetrically formed in the periphery of the positioning plate (8).