CN211192036U

CN211192036U - Pneumatic main shaft clamping device of numerical control lathe

Info

Publication number: CN211192036U
Application number: CN201922065526.9U
Authority: CN
Inventors: 李耀辉; 宋凯伟
Original assignee: Hebei Yawo Machinery Manufacturing Co ltd
Current assignee: Hebei Yawo Machinery Manufacturing Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-07
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a numerical control lathe pneumatic spindle step-up device, including pneumatic chuck, pneumatic chuck's lower extreme is fixed with the mounting panel, be equipped with fixed section of thick bamboo on the mounting panel, install locking mechanism that moves on fixed section of thick bamboo's the outer wall, fixed section of thick bamboo's top is equipped with slewing mechanism, slewing mechanism and fixed screw connection, fixed screw's lower extreme is located the below of mounting panel. A numerical control lathe pneumatic spindle step-up device, be equipped with slewing mechanism, extrusion ring, fixed spring and solid fixed cylinder, thereby can make the fixed screw take place to rotate through slewing mechanism and be convenient for to the quick installation and the dismantlement of fixed screw, through contact ring and the extrusion ring extrusion contact on the fixed screw, compress fixed spring, through the effect of fixed spring elasticity, the inner chamber at solid fixed cylinder can be fixed steadily to the fixed screw for the fixed screw can not take place to separate with solid fixed cylinder, can prevent to cause the fixed screw to dismantle to cause to lose after separating.

Description

Pneumatic main shaft clamping device of numerical control lathe

Technical Field

The utility model relates to the field of mechanical equipment, in particular to pneumatic main shaft clamping device of numerical control lathe.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.

The main shaft of current digit control machine tool generally steps up the main shaft through air chuck, and current two-way air chuck needs to be fixed on the lathe through the fixed screw installation, because the fixed screw can separate with air chuck's mount pad for the improper and lead to losing of saving appears easily in the fixed screw after the dismantlement, so we provide a digit control lathe air spindle and step up the device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a numerical control lathe pneumatic spindle steps up device, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a numerical control lathe pneumatic spindle step-up device, includes pneumatic chuck, pneumatic chuck's lower extreme is fixed with the mounting panel, the left and right sides end of mounting panel is the symmetry and is equipped with solid fixed cylinder, install locking mechanism on solid fixed cylinder's the outer wall, solid fixed cylinder's top is equipped with slewing mechanism, slewing mechanism's lower extreme and fixed screw's upper end fixed connection, fixed screw's lower extreme runs through solid fixed cylinder and mounting panel and extends to the below of mounting panel, fixed screw's lower extreme passes through threaded connection with solid fixed cylinder, the inner chamber top of solid fixed cylinder is circular even equidistant and is equipped with fixed spring, fixed spring's lower extreme and extrusion ring fixed connection, fixed screw is fixed the cup joints on the position that is located solid fixed cylinder inner chamber and has contact ring.

Preferably, the main structure of the rotating mechanism is provided with a rotating disc, the upper end of the rotating disc is provided with a tightening head, and the outer side wall of the rotating disc is provided with the contact rods in a distributed manner.

Preferably, locking mechanism major structure that moves has solid fixed ring, gu fixed ring and the outer wall fixed connection of fixed section of thick bamboo, gu fixed ring's top slides and is equipped with the slip ring, gu fixed ring and the fixed locking spring that is equipped with between the slip ring.

Preferably, the main structure of the sliding ring is a sliding ring body, the upper end of the sliding ring body is circularly distributed with insertion rods, the inner side wall of the sliding ring body is provided with a sliding block, the sliding block is slidably clamped with the outer wall of the fixed cylinder, the inner cavity at the bottom of the sliding ring body is slidably clamped with a rotating ring, the upper end of the anti-loosening spring is fixedly connected with the bottom of the rotating ring, and the bottom of the rotating disc is provided with a jack matched with the insertion rods.

Preferably, the lower end of the fixing screw is integrally formed with a guide head, and the guide head is of a frustum structure.

Preferably, the outer wall of the extrusion ring is provided with a sliding clamping block, and the fixed cylinder is provided with an A sliding clamping groove matched with the sliding clamping block.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. be equipped with slewing mechanism, the extrusion ring, fixed spring and solid fixed cylinder, thereby can make the fixed screw take place to rotate through slewing mechanism and be convenient for to the quick installation and the dismantlement of fixed screw, through contact ring and the extrusion ring extrusion contact on the fixed screw, compress fixed spring, make the inner chamber at solid fixed cylinder fixed by the fixed screw steadily through the effect of fixed spring elasticity for the fixed screw can not take place to separate with solid fixed cylinder, can prevent to cause the fixed screw to dismantle to cause after separating and lose.

2. Be equipped with locking mechanism that moves, peg graft with the jack that the rotating disc bottom was equipped with through the grafting pole that is equipped with on the slip ring, can make the rotating disc can not take place to rotate to reinforcing fixed screw's fixed effect.

Drawings

FIG. 1 is an overall structure diagram of a pneumatic spindle clamping device of a numerically controlled lathe of the present invention;

FIG. 2 is a structural diagram of a rotating mechanism and a loosening prevention mechanism of a pneumatic spindle clamping device of a numerically controlled lathe of the present invention;

FIG. 3 is a cross-sectional view of a fixed cylinder of the pneumatic spindle clamping device of the numerical control lathe of the present invention;

fig. 4 is a bottom view of the sliding ring body of the pneumatic spindle clamping device of the numerical control lathe of the present invention.

In the figure: 1. mounting a plate; 2. a pneumatic chuck; 3. a rotating mechanism; 31. rotating the disc; 32. tightening the head; 33. a touch bar; 4. a fixed cylinder; 5. an anti-loosening mechanism; 51. a fixing ring; 52. a locking spring; 53. a slip ring; 531. a slider; 532. a plug rod; 533. a sliding ring body; 534. a rotating ring; 6. fixing screws; 7. a guide head; 8. extruding the circular ring; 9. fixing the spring; 10. a contact ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a pneumatic spindle tightening device of a numerical control lathe comprises a pneumatic chuck 2, a mounting plate 1 is fixed at the lower end of the pneumatic chuck 2, fixing cylinders 4 are symmetrically arranged at the left end and the right end of the mounting plate 1, an anti-loosening mechanism 5 is installed on the outer wall of each fixing cylinder 4, a rotating mechanism 3 is arranged above each fixing cylinder 4, the lower end of each rotating mechanism 3 is fixedly connected with the upper end of a fixing screw 6, the lower end of each fixing screw 6 penetrates through the fixing cylinders 4 and the mounting plate 1 and extends to the lower portion of the mounting plate 1, the lower end of each fixing screw 6 is in threaded connection with the corresponding fixing cylinder 4, fixing springs 9 are uniformly arranged at equal intervals at the top of the inner cavity of each fixing cylinder 4, the lower ends of the fixing springs 9 are fixedly connected with an extrusion circular ring 8, and contact rings 10 are fixedly sleeved on the portions of.

3 major structure of slewing mechanism has rotating disc 31, and the upper end of rotating disc 31 is equipped with step-up head 32, and the distribution is equipped with the feeler lever 33 on the lateral wall of rotating disc 31, makes fixed screw 6 rotate through rotating disc 31 and tentatively screws up, can screw up fixed screw 6 with step-up head 32's cooperation through the spanner.

The anti-loosening mechanism 5 mainly comprises a fixing ring 51, the fixing ring 51 is fixedly connected with the outer wall of the fixing barrel 4, a sliding ring 53 is arranged above the fixing ring 51 in a sliding mode, an anti-loosening spring 52 is fixedly arranged between the fixing ring 51 and the sliding ring 53, the rotating disc 31 can be fixed through the anti-loosening mechanism 5, and the rotating disc can be prevented from rotating due to mechanical vibration.

The main structure of the sliding ring 53 is a sliding ring body 533, the upper end of the sliding ring body 533 is provided with a splicing rod 532 in a circular distribution manner, the inner side wall of the sliding ring body 533 is provided with a sliding block 531, the sliding block 531 is slidably clamped with the outer wall of the fixed cylinder 4, the inner cavity of the bottom of the sliding ring body 533 is slidably clamped with a rotating ring 534, the upper end of the anti-loosening spring 52 is fixedly connected with the bottom of the rotating ring 534, the bottom of the rotating disc 31 is provided with a jack matched with the splicing rod 532, the splicing rod 532 arranged on the sliding ring body 533 is spliced with a jack arranged at the bottom of the rotating disc 31, and the rotating disc 31.

The lower end of the fixing screw 6 is integrally formed with a guide head 7, and the guide head 7 is of a frustum structure, so that the fixing screw 6 is conveniently inserted into the fixing hole in a guiding manner.

The outer wall of the extrusion ring 8 is provided with a sliding clamping block, and the fixed cylinder 4 is provided with an A sliding clamping groove matched with the sliding clamping block, so that the extrusion ring 8 can stably slide.

It should be noted that, the utility model relates to a pneumatic spindle tightening device of numerical control lathe, firstly, rotate the rotating disc 31 by hand, the finger contacts with the touch bar 33 to form the conflict, which is convenient for to rotate the rotating disc 31, the rotation of the rotating disc 31 drives the fixed screw 6 to rotate, so that the fixed screw 6 and the fixed hole are preliminarily screwed and fixed, then the wrench is clamped with the tightening head 32, and the wrench is rotated, the fixed screw 6 can be tightened for the second time, the fixing effect is enhanced, when one hand rotates the rotating disc 31, the other hand needs to make the sliding ring 53 move downwards, so that the anti-loosening spring 52 is in the compression state, after the wrench is tightened for the second time, the sliding ring 53 is loosened, so that the sliding ring 53 moves upwards and rotates the sliding ring 533 due to the elastic action of the anti-loosening spring 52, so that the fixed screw 6 can not rotate due to the insertion of the insertion bar 532 on the sliding ring 533 and the insertion hole on the rotating disc 31, when needs are dismantled, make slip ring 53 downstream with the hand earlier, the grafting of contact plug rod 532 and jack, make fixed screw 6 take place to rotate with the spanner, in order to dismantle fast, reuse hand rotation carousel 31 after waiting fixed screw 6 to loosen, make carousel 31 upward movement, the contact ring 10 that is equipped with on the fixed screw 6 that is located the 4 inner chambers of solid fixed cylinder will extrude with 8 contact extrusion rings of extrusion, through the effect of the elasticity of fixed spring 9, make the fixed screw 6 of leading 7 indentation mounting panel 1 inner chambers of direction obtain fixedly, keep the stability of screw, fixed screw 6 after dismantling simultaneously can not take place the separation with solid fixed cylinder 4, can prevent to cause losing of fixed screw 6.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a numerical control lathe pneumatic spindle clamping device, includes air chuck (2), its characterized in that: the lower end of the pneumatic chuck (2) is fixed with a mounting plate (1), the left end and the right end of the mounting plate (1) are symmetrically provided with fixed cylinders (4), an anti-loosening mechanism (5) is arranged on the outer wall of the fixed cylinder (4), a rotating mechanism (3) is arranged above the fixed cylinder (4), the lower end of the rotating mechanism (3) is fixedly connected with the upper end of the fixed screw (6), the lower end of the fixing screw (6) penetrates through the fixing cylinder (4) and the mounting plate (1) and extends to the lower part of the mounting plate (1), the lower end of the fixing screw (6) is connected with the fixing cylinder (4) through screw threads, the top of the inner cavity of the fixed cylinder (4) is provided with fixed springs (9) which are round and uniform at equal intervals, the lower end of the fixed spring (9) is fixedly connected with the extrusion ring (8), the fixed screw (6) is fixedly sleeved with a contact ring (10) at the position of the inner cavity of the fixed cylinder (4).

2. The pneumatic spindle clamping device of the numerical control lathe according to claim 1, characterized in that: the main structure of the rotating mechanism (3) is provided with a rotating disc (31), the upper end of the rotating disc (31) is provided with a tightening head (32), and the outer side wall of the rotating disc (31) is provided with contact rods (33) in a distributed manner.

3. The pneumatic spindle clamping device of the numerical control lathe according to claim 2, characterized in that: locking mechanism (5) major structure has solid fixed ring (51), gu fixed ring (51) and the outer wall fixed connection of fixed section of thick bamboo (4), the top of solid fixed ring (51) slides and is equipped with slip ring (53), fixed locking spring (52) that are equipped with between solid fixed ring (51) and slip ring (53).

4. The pneumatic spindle clamping device of the numerical control lathe according to claim 3, characterized in that: the main structure of the sliding ring (53) is provided with a sliding ring body (533), the upper end of the sliding ring body (533) is provided with a plug-in rod (532) in a circular distribution mode, a sliding block (531) is arranged on the inner side wall of the sliding ring body (533), the sliding block (531) is in sliding clamping connection with the outer wall of the fixed cylinder (4), a rotating ring (534) is in sliding clamping connection with the inner cavity of the bottom of the sliding ring body (533), the upper end of the anti-loosening spring (52) is fixedly connected with the bottom of the rotating ring (534), and the bottom of the rotating disc (31) is provided with a jack matched with the plug-in rod (532.

5. The pneumatic spindle clamping device of the numerical control lathe according to claim 1, characterized in that: the lower end of the fixing screw (6) is integrally formed with a guide head (7), and the guide head (7) is of a frustum structure.

6. The pneumatic spindle clamping device of the numerical control lathe according to claim 1, characterized in that: the outer wall of the extrusion ring (8) is provided with a sliding clamping block, and the fixed cylinder (4) is provided with an A sliding clamping groove matched with the sliding clamping block.