CN213497832U

CN213497832U - Spring chuck for machine tool machining

Info

Publication number: CN213497832U
Application number: CN202022539930.8U
Authority: CN
Inventors: 彭光春
Original assignee: Chongqing Junuoxin Precision Machinery Co ltd
Current assignee: Chongqing Junuoxin Precision Machinery Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-22
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a collet chuck for machine tool machining relates to machine tool machining technical field. The utility model discloses a cutter, anchor clamps body, clamping mechanism and positioning mechanism, its characterized in that: cutter fixed connection is in the inside of anchor clamps body, and the anchor clamps body includes three part, is bottom sleeve, clamping mechanism and stack shell respectively, and stack shell and clamping thread pass through first bolt threaded connection, on the both sides connector key of the inside locating piece of stack shell respectively fixed connection third pivot. The utility model discloses an improve into convenient to detach's screw thread integrated configuration with the bottom of anchor clamps body, only need when dismantling to twist off the second bolt soon, the internals is changed in simple and easy dismantlement, the location of being convenient for that adds simultaneously and the tight positioning mechanism of clamp, when the cutter inserts, through pushing to the inboard, can press from both sides the handle of a knife of cutter tightly fixed to increase the stress point of cutter, reduce the vibrations that the cutter produced man-hour.

Description

Spring chuck for machine tool machining

Technical Field

The utility model belongs to the technical field of machine tool machining, especially, relate to a collet chuck for machine tool machining.

Background

The chuck of the machine tool is mainly used for clamping and fixing the tool, the clamped tool is usually used for moving according to a certain track to complete specified processing on a rotating workpiece, and a traditional machining chuck can complete a certain operation cutting processing procedure after clamping the tool, but the following defects still exist in actual production:

1. the existing chuck is usually inconvenient to disassemble due to the unicity of the structure, is directly scrapped when damaged in the processing process, and increases the cost caused in production and life, so the existing chuck is not favorable for maintenance and use;

2. the existing chuck can only clamp and fix the designated position point of the cutter in the machining process, and in the actual machining and use, the stress point of the cutter is single, so that the cutter is easy to vibrate during cutting, and the service life of the cutter is further shortened.

Therefore, the existing spring chuck for machine tool machining has low practicability and can not meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collet chuck for machine tool machining through the structure of improving into convenient to detach's threaded connection with the cutter bottom to and set up the tight positioning mechanism of clamp of being convenient for in the inside of stack shell, solved current chuck when pressing from both sides tight cutter, the stress point is single, produces the vibration easily, and the difficult problem that realizes of traditional chuck when using and maintaining.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a collet chuck for machine tool machining, including cutter, anchor clamps body, clamping mechanism and positioning mechanism, its characterized in that: the cutter fixed connection is in the inside of anchor clamps body, the anchor clamps body includes three parts, is bottom sleeve, clamping mechanism and stack shell respectively, stack shell and clamping thread pass through first bolt threaded connection, respectively fixed connection third pivot on the both sides connector key of the inside locating piece of stack shell.

Further, the top knife tip of cutter stretches out in clamping mechanism's outside, the knife tip passes through blade fixed connection handle of a knife, the corresponding position department of blade is pressed from both sides through clamping mechanism and is fixed, the handle of a knife passes through positioning mechanism and presss from both sides tight location, and the blade position of cutter is axle-like part, and the blade position diameter of comparing in the position department of handle of a knife is thicker.

Further, the connecting end of the bottom sleeve and the barrel body is fixedly connected through a second bolt in a threaded mode, the blade body and the cutter handle are inserted into the clamp body, the cutter handle is clamped at the groove of the corresponding positioning block, and the corresponding positions of the sleeve and the barrel body are provided with external thread lines with the same specification.

Furthermore, the locating piece passes through second spring elastic connection in the telescopic inside of bottom, telescopic both sides fixed connection chain in bottom sees, and the connecting key passes through the third pivot and connects the push-and-pull plate, one side of locating piece is through the telescopic inner wall in first spring coupling bottom, and first spring fixed connection is on the cylinder side of calorie post, and first spring passes through welded fastening and connects in the cylinder week side of calorie post, and the calorie post passes through welded fastening and connects on the telescopic inner wall in bottom.

Furthermore, the clamping mechanism is located at the position of the clamp body where the clamping thread is clamped, the outer ring of the clamping mechanism is fixedly connected with the bayonet of the inner ring through the connecting rib, the cutter is movably connected inside the bayonet, the connecting rib is respectively connected with the outer ring and the inner ring, when the first bolt is screwed down, the outer ring extrudes the inner ring through the connecting rib, the bayonet of the inner ring is reduced, and therefore the cutter is fixed.

Furthermore, a second movable hole is formed in one end of the push-pull plate and is connected with a key through a third rotating shaft in a movable mode, the other end of the push-pull plate is connected with the inside of the first movable hole through a second rotating shaft in a movable mode, the first movable hole is formed in a right angle plate of the right-angle bent rod and is an oval hole, a through hole is formed in the right angle of the right-angle bent rod and penetrates through a movable connection fixing plate through the first rotating shaft, the fixing plate is fixedly connected to the inside of the barrel body, a rubber pad is fixedly connected to the other right angle plate of the right-angle bent rod, the right-angle bent rod is a rectangular metal frame with two sides going on the ground, the first movable hole is a long and thin oval hole, and the second rotating shaft can move freely in the first movable hole.

The utility model discloses following beneficial effect has:

1. the utility model discloses an improve into convenient to detach's bottom with the bottom of anchor clamps body, and the bottom is fixed through bolt and threaded connection, when later stage uses and maintains, conveniently directly opens the bottom sleeve, directly changes the part of inside, reduces use cost.

2. The utility model discloses add the tight positioning mechanism of clamp of being convenient for simultaneously with the inside of anchor clamps body, when the handle of a knife entered into the inside of anchor clamps body, the handle of a knife will support the locating piece, and then the locating piece moves the one end distance to the side inwards, and the rubber pad will support the week side of handle of a knife, and then has increased handle of a knife stress point, and the effectual cutter that prevents can produce the vibration man-hour.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that 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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a collet chuck for machine tool machining according to the present invention;

fig. 2 is a schematic structural view of a right-angled curved bar of a collet chuck for machine tool machining according to the present invention;

fig. 3 is a schematic side view of the collet chuck of the present invention for machine tool machining.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a cutter; 11. a knife tip; 12. a blade body; 13. a knife handle; 2. a clamp body; 21. a bottom sleeve; 22. clamping the threads; 23. a barrel body; 24. a second bolt; 25. clamping the column; 26. a first spring; 27. a second spring; 28. positioning blocks; 3. a clamping mechanism; 31. connecting ribs; 32. a bayonet; 4. a first bolt; 5. a positioning mechanism; 51. a first rotating shaft; 52. a fixing plate; 53. a right-angled knee lever; 54. a rubber pad; 55. a through hole; 56. a first movable hole; 57. a second rotating shaft; 58. a push-pull plate; 59. a second movable hole; 6. and a third rotating shaft.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention relates to a collet chuck for machine tool machining, which comprises a tool 1, a clamp body 2, a clamping mechanism 3 and a positioning mechanism 5, and is characterized in that: cutter 1 fixed connection is in the inside of anchor clamps body 2, and anchor clamps body 2 includes three parts, is bottom sleeve 21, clamping mechanism 3 and stack shell 23 respectively, and stack shell 23 and clamping thread 22 pass through first bolt 4 threaded connection, and on the both sides connector key of the inside locating piece 28 of stack shell 23 respectively fixed connection third pivot 6.

As shown in fig. 1 and 2, a top tool tip 11 of the tool 1 extends out of the clamping mechanism 3, the tool tip 11 is fixedly connected with a tool shank 13 through a tool body 12, a corresponding position of the tool body 12 is clamped and fixed through the clamping mechanism 3, the tool shank 13 is clamped and positioned through a positioning mechanism 5, a connecting end of a bottom sleeve 21 and a barrel 23 is fixedly connected through a second bolt 24 by threads, the tool body 12 and the tool shank 13 are inserted into the clamp body 2, the tool shank 13 is clamped at a groove corresponding to a positioning block 28, the positioning block 28 is elastically connected inside the bottom sleeve 21 through a second spring 27, connecting keys are fixedly connected to two sides of the bottom sleeve 21 and connected with a push-pull plate 58 through a third rotating shaft 6, one side of the positioning block 28 is connected with the inner wall of the bottom sleeve 21 through a first spring 26, and the first spring 26 is fixedly connected to a cylindrical side surface of a clamping column 25, when being installed, the tool 1 is firstly inserted into the clamp body 2 in, and then fixing the position of the cutter body 12 corresponding to the clamping thread 22, and inserting the end face of the cutter handle 13 into the groove of the positioning block 28 to complete the positioning of the cutter 1 during installation.

As shown in fig. 1, the clamping mechanism 3 is located at the position of the clamping thread 22 on the clamp body 2, the outer ring of the clamping mechanism 3 is fixedly connected with the bayonet 32 of the inner ring through the connecting rib 31, the inside of the bayonet 32 is movably connected with the tool 1, when the tool is installed, the first bolt 4 is in threaded connection with the outer side of the clamping thread 22, the outer side of the clamping thread 22 is provided with a thread line, when the tool is screwed to the clamping thread 22, the caliber of the bayonet 32 is gradually reduced, and then the position of the tool body 12 of the tool 1 is clamped and fixed.

As shown in fig. 1 and 2, one end of the push-pull plate 58 is provided with a second movable hole 59, the second movable hole 59 is movably connected with the connecting key through the third rotating shaft 6, the other end of the push-pull plate 58 is movably connected inside the first movable hole 56 through the second rotating shaft 57, the first movable hole 56 is provided on a right angle plate of the right-angled curved rod 53, the first movable hole 56 is an elliptical hole, a through hole 55 is provided at the right angle of the right-angled curved rod 53, the through hole 55 passes through the movable connecting fixing plate 52 by the first rotating shaft 51, the fixing plate 52 is fixedly connected inside the barrel 23, a rubber pad 54 is fixedly connected to the other right-angled plate of the right-angled curved rod 53, when the cutter is installed, the handle 13 of the cutter 1 will press the groove of the positioning block 28, and the positioning block 28 moves to the inner depth of the clamp body 2, the movement of the positioning block 28 will make the push-pull plate 58 horizontally pull the right-angled curved rod 53, so that the rubber pad 54 will abut against the cylindrical periphery of the shank 13 and thereby fix the shank 13.

One specific application of this embodiment is: firstly, when the tool holder is installed, the tool shank 13 is horizontally inserted along a cavity formed in the fixture body 2, secondly, the tool body 12 and the tool shank 13 are respectively corresponding to corresponding positions of the fixture body 2, thirdly, the first bolt 4 is screwed to the clamping thread 22, fourthly, the tool shank 13 abuts against the positioning block 28 and horizontally moves for a certain distance, fifthly, finally, the positioning block 28 enables the push-pull plate 58 to pull the right-angled curved rod 53 to rotate for a certain angle, and then the rubber pad 54 abuts against the periphery of the cylinder of the tool shank 13.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a collet chuck for machine tool machining, includes cutter (1), anchor clamps body (2), clamping mechanism (3) and positioning mechanism (5), its characterized in that: cutter (1) fixed connection is in the inside of anchor clamps body (2), anchor clamps body (2) include three, are bottom sleeve (21), clamping mechanism (3) and stack shell (23) respectively, stack shell (23) and clamp screw thread (22) are through first bolt (4) threaded connection, on the both sides connecting key of inside locating piece (28) of stack shell (23) respectively fixed connection third pivot (6).

2. The collet chuck for machine tool machining according to claim 1, wherein the top tool tip (11) of the tool (1) extends outside the clamping mechanism (3), the tool tip (11) is fixedly connected with the tool shank (13) through the tool body (12), the corresponding position of the tool body (12) is clamped and fixed through the clamping mechanism (3), and the tool shank (13) is clamped and positioned through the positioning mechanism (5).

3. The collet chuck for machine tool machining according to claim 2, wherein the connecting end of the bottom sleeve (21) and the cylinder body (23) is fixed through a second bolt (24) in a threaded connection manner, the tool body (12) and the tool shank (13) are inserted into the clamp body (2), and the tool shank (13) is clamped at a groove corresponding to the positioning block (28).

4. A collet chuck for machine tools according to claim 3, wherein the positioning block (28) is elastically connected to the inside of the bottom sleeve (21) by a second spring (27), the two sides of the bottom sleeve (21) are fixedly connected with the connecting key, the connecting key is connected with the push-pull plate (58) by the third rotating shaft (6), one side of the positioning block (28) is connected with the inner wall of the bottom sleeve (21) by a first spring (26), and the first spring (26) is fixedly connected to the cylindrical side of the clamping column (25).

5. A collet chuck for machine tools according to claim 1, wherein the clamping mechanism (3) is located at the position of the clamping thread (22) on the chuck body (2), the outer ring of the clamping mechanism (3) is fixedly connected with the bayonet (32) of the inner ring through the connecting rib (31), and the bayonet (32) is movably connected with the tool (1).

6. A collet chuck for use in machine tools according to claim 4, one end of the push-pull plate (58) is provided with a second movable hole (59), the second movable hole (59) is movably connected with a connecting key through a third rotating shaft (6), the other end of the push-pull plate (58) is movably connected inside the first movable hole (56) through a second rotating shaft (57), and the first movable hole (56) is arranged on a right angle plate of the right angle crank rod (53), and the first movable hole (56) is an elliptical hole, a through hole (55) is arranged at the right angle of the right-angle crank rod (53), the through hole (55) is movably connected with the fixed plate (52) by a first rotating shaft (51), the fixed plate (52) is fixedly connected inside the barrel body (23), and the other right-angle plate of the right-angle bent rod (53) is fixedly connected with a rubber pad (54).