CN211539522U

CN211539522U - Be provided with automatic overspeed device tensioner's of material numerical control lathe

Info

Publication number: CN211539522U
Application number: CN202020063971.1U
Authority: CN
Inventors: 王云梅; 杨丽娜; 杨飞; 孟林飞
Original assignee: Yunnan Jing Ji Hu Zheng Machinery Co ltd
Current assignee: Yunnan Jing Ji Hu Zheng Machinery Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-22
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a numerical control lathe provided with a material automatic tensioning device, a positioning sleeve sleeved on a main shaft box is mainly arranged on the main shaft box close to one side of a three-jaw chuck, a movable sleeve is arranged on the positioning sleeve in a switching way, the three-jaw chuck is sleeved by the movable sleeve, a screwing shaft matched with a screwing screw of the three-jaw chuck is arranged on the movable sleeve, a first helical gear is arranged on the screwing shaft in a sliding way and is arranged in the movable sleeve in a switching way, the first helical gear is connected to a rotating motor through a second helical gear, the rotating motor is fixedly arranged outside the movable sleeve, a telescopic device is arranged at the top of the screwing shaft in a connecting way, and the telescopic device is fixedly arranged on the movable sleeve; this device has set up automatic tensioning device through on the three-jaw chuck to, automatic tensioning device passes through pressure sensor and angle displacement sensor synergism can be automatic the screw hole of seeking the three-jaw chuck, thereby carry out automatic tensioning and loosen, thereby liberated the manual work, improved machining efficiency.

Description

Be provided with automatic overspeed device tensioner's of material numerical control lathe

Technical Field

The utility model relates to a high-grade numerical control equipment and numerical control processing technology, concretely relates to is provided with automatic overspeed device tensioner's of material numerical control lathe.

Background

With the continuous development of processing intelligence, more and more equipment realizes automation, and particularly in the field of numerical control processing, the intelligent processing is more in a production line mode. The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like. However, many existing old-fashioned apparatuses use a three-jaw chuck when clamping tools on a spindle box, and the three-jaw chuck is still clamped manually, and this manual clamping mode is not fixed according to different users, and even sometimes causes the loosening of workpieces, which seriously affects the processing quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be provided with automatic overspeed device tensioner's of material numerical control lathe solves old-fashioned three-jaw chuck and uses artifical clamping tool inefficiency and press from both sides tight unstable problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a be provided with automatic overspeed device tensioner's of material numerical control lathe, including the headstock, main shaft and three-jaw chuck, be provided with the position sleeve of entangling the main shaft on the headstock that the headstock is close to three-jaw chuck one side, the switching is provided with the movable sleeve on the position sleeve, the three-jaw chuck is entangled to the movable sleeve, be provided with the axle of screwing with three-jaw chuck screw looks adaptation on the movable sleeve, the epaxial sliding connection of screwing is provided with first helical gear, first helical gear switching sets up in the movable sleeve, first helical gear is connected to the rotating electrical machines through the second helical gear, the fixed setting in the movable sleeve outside of rotating electrical machines, the top connection of screwing the axle is provided with the expansion bend.

Furthermore, a controller which is connected with a wireless pressure sensor and a rotating motor is arranged on the jaws of the three-jaw chuck.

Furthermore, an angular displacement sensor is arranged on a rotating shaft of the main shaft, and an angular displacement sensor matched with the corresponding movable sleeve is arranged on the corresponding movable sleeve.

Furthermore, an internal gear is fixedly arranged on one end, close to the positioning sleeve, of the movable sleeve, a transmission gear is arranged in a meshed mode with the internal gear, the transmission gear is connected to a rotating motor through a rotating shaft, and the rotating motor is fixedly arranged on the positioning sleeve.

Furthermore, a bearing is arranged between the expansion piece and the screwing shaft, and the bearing is connected to the expansion piece.

Further, a bearing is arranged between the first bevel gear and the movable sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

this device is through having set up automatic tensioning device on the three-jaw chuck to, automatic tensioning device passes through the screw hole that pressure sensor and angle displacement sensor synergism can be automatic look for the three-jaw chuck, thereby carry out automatic tensioning and loosen, thereby liberated the manual work, improved machining efficiency, simultaneously, the pressure of work piece when pressing from both sides tightly can be guaranteed in pressure monitoring through pressure sensor, prevent that the work piece is not hard up.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a partial enlarged view of the present invention.

In the figure, 1-a main shaft, 2-a three-grab chuck, 3-a positioning sleeve, 4-a movable sleeve, 5-a screwing shaft, 6-a first bevel gear, 7-a second bevel gear, 8-a telescopic device, 9-a screwing motor, 10-a transmission gear and 11-a rotating motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

as shown in the figure, be provided with automatic overspeed device tensioner's of material numerical control lathe, including the headstock, main shaft 1 and three-jaw chuck 2, be provided with the position sleeve 3 of entangling main shaft 1 on the headstock that the headstock is close to three-jaw chuck 2 one side, position sleeve 3 sets up to a cylinder section of thick bamboo, it is provided with movable sleeve 4 to connect on the position sleeve 3, movable sleeve 4 also sets up to a cylinder section of thick bamboo, three-jaw chuck 2 is entangled to movable sleeve 4, be provided with the axle 5 of screwing with three-jaw chuck 2 screw looks adaptation on movable sleeve 4, the big or small shape of the spindle nose of the axle 5 of screwing and the quantity of screwing axle 5 all carry out the adaptation according to three-jaw. Concretely, it is provided with first helical gear 6 to slide connection on screwing shaft 5, and first helical gear 6 switching setting is in movable sleeve 4, and first helical gear 6 is connected to rotating electrical machines 9 through second helical gear 7, drives screwing shaft 5 through rotating electrical machines 9 and rotates to realize screwing and the back-off of three-jaw chuck. Specifically, the rotating electric machine 9 is fixedly arranged outside the movable sleeve 4. In order to enable the rotating shaft 5 to be capable of tapping in the rotating process, a telescopic device 8 is connected and arranged at the top of the screwing shaft 5, the telescopic device 8 is fixedly arranged on the movable sleeve 4, the rotating shaft 5 is driven to tap and withdraw through the stretching of the telescopic device 8, and therefore the telescopic device 3 is a pneumatic telescopic device. In this embodiment, it should be noted that the screwing shaft 5 is not provided as a circular shaft, but rather as an angular shaft, so that it can slide in the first bevel gear 6 while following the rotation of the first bevel gear 6.

Example 2:

on the basis of the above embodiment, in the present embodiment, as an optimization, the jaws of the three-jaw chuck 2 are provided with wireless pressure sensors connected to the controller of the rotating motor 9, and whether the screw needs to be continuously rotated for clamping is determined by the pressure between the three-jaw chuck 2 and the workpiece.

Example 3:

on the basis of the above embodiment, in this embodiment, in order to enable the movable sleeve 4 to automatically find the screw position at the upper end of the three-jaw chuck, an angular displacement sensor is arranged on the rotating shaft of the spindle 1, so that the corresponding adaptive position is set in advance, the corresponding movable sleeve 4 is provided with the adaptive angular displacement sensor, and the searching and the adaptation are performed through the called displacement of the two displacement sensors.

Example 4:

on the basis of the above embodiment, in this embodiment, in order to enable the movable sleeve 4 to automatically rotate, an internal gear is fixedly disposed on one end of the movable sleeve 4 close to the positioning sleeve 3, a transmission gear 10 is disposed in meshing engagement with the internal gear, the transmission gear 10 is connected to a rotating motor 11 through a rotating shaft, and the rotating motor 11 is fixedly disposed on the positioning sleeve 3.

Example 5:

in addition to the above-described embodiments, in the present embodiment, in order to make the rotary shaft 5 extendable and retractable during rotation, a bearing is provided between the expansion piece 8 and the tightening shaft 5, and the bearing is connected to the expansion piece 8

Example 6:

in addition to the above embodiments, in the present embodiment, for the convenience of rotation, a bearing is provided between the first helical gear 6 and the movable sleeve 4

Reference throughout this specification to "example 1", "example 2", "example 3", "example 4", and so forth, means that a particular feature, structure, or characteristic described in connection with the example is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a be provided with automatic overspeed device tensioner's of material numerical control lathe, includes headstock, main shaft (1) and three-jaw chuck (2), its characterized in that: the novel three-jaw chuck is characterized in that a positioning sleeve (3) which sleeves a spindle (1) is arranged on the spindle box on one side, close to a three-jaw chuck (2), of the spindle box, a movable sleeve (4) is arranged on the positioning sleeve (3) in a rotating mode, the three-jaw chuck (2) is sleeved with the movable sleeve (4), a screw screwing shaft (5) matched with a screw screwed by the three-jaw chuck (2) is arranged on the movable sleeve (4), a first helical gear (6) is arranged on the screwing shaft (5) in a sliding mode, the first helical gear (6) is arranged in the movable sleeve (4) in a rotating mode, the first helical gear (6) is connected to a rotating motor (9) through a second helical gear (7), the rotating motor (9) is fixedly arranged on the outer side of the movable sleeve (4), a telescopic device (8) is arranged on the top of the screwing shaft (5), and the telescopic device (8.

2. The numerically controlled lathe provided with the automatic material tensioning device according to claim 1, wherein: the jaws of the three-jaw chuck (2) are provided with a controller connected with a wireless pressure sensor to a rotating motor (9).

3. The numerically controlled lathe provided with the automatic material tensioning device according to claim 1, wherein: an angular displacement sensor is arranged on a rotating shaft of the main shaft (1), and an angular displacement sensor matched with the rotating shaft is arranged on the corresponding movable sleeve (4).

4. The numerically controlled lathe provided with the automatic material tensioning device according to claim 1, wherein: an internal gear is fixedly arranged at one end, close to the positioning sleeve (3), of the movable sleeve (4), a transmission gear (10) is arranged in a meshed mode with the internal gear, the transmission gear (10) is connected to a rotating motor (11) through a rotating shaft, and the rotating motor (11) is fixedly arranged on the positioning sleeve (3).

5. The numerically controlled lathe provided with the automatic material tensioning device according to claim 1, wherein: a bearing is arranged between the expansion piece (8) and the screwing shaft (5), and the bearing is connected to the expansion piece (8).

6. The numerically controlled lathe provided with the automatic material tensioning device according to claim 1, wherein: and a bearing is arranged between the first helical gear (6) and the movable sleeve (4).