CN209998414U

CN209998414U - automatic drilling device for common lathe tailstock

Info

Publication number: CN209998414U
Application number: CN201920699113.3U
Authority: CN
Inventors: 朱贺军; 郭大海; 阮加有; 秦可歌; 温娟娟
Original assignee: HENAN PU RUI PML PRECISION MECHANISM Ltd
Current assignee: HENAN PU RUI PML PRECISION MECHANISM Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-01-31
Anticipated expiration: 2029-05-15

Abstract

an automatic drilling device for a lathe tailstock comprises a motor, a worm and gear speed reducer, a transmission belt and a spline connection, wherein a driving shaft of the motor is correspondingly and drivingly connected with an input shaft of the worm and gear speed reducer through the transmission belt, an output shaft of the worm and gear speed reducer is correspondingly connected with a power input shaft of the lathe tailstock through the spline connection, the worm and gear speed reducer is installed on the top surface of a worm and gear speed reducer support, the bottom surface of the worm and gear speed reducer support is correspondingly and slidably connected with a lathe guide rail frame through a fixing device, and the motor is correspondingly and electrically connected with a control system.

Description

automatic drilling device for common lathe tailstock

Technical Field

The utility model belongs to the technical field of the lathe drilling technique and specifically relates to an automatic drilling equipment who relates to kinds are used for lathe tailstock.

Background

The conventional lathe is operated by shaking a tailstock handle by a worker, so that a round hole on the workpiece is drilled by using a drill bit of the tailstock, but the method ensures that the working strength of the worker is higher, the drilling efficiency is low, and the precision of the drilled hole is poorer because the speed of shaking the tailstock handle by the worker is not uniform;

the invention discloses an automatic drilling machine for lathes, which is characterized in that an output wheel of a gearbox is meshed with a driving wheel by shifting a handle, the motor can drive the output wheel of the gearbox to rotate, the motor drives a screw rod to rotate after the output wheel is driven by the driving wheel, so that the lathe realizes automatic drilling, and the handle is shifted in the reverse direction to stop drilling.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model discloses an kind automatic drilling equipment that is used for the lathe tailstock.

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

automatic drilling device for a lathe tailstock comprises a motor, a worm and gear speed reducer, a transmission belt and a spline connection, wherein a driving shaft of the motor is correspondingly in driving connection with an input shaft of the worm and gear speed reducer through the transmission belt, an output shaft of the worm and gear speed reducer is correspondingly connected with a power input shaft of the lathe tailstock through the spline connection;

preferably, the spline connection comprises spline shafts and spline sleeves, the output shaft of the worm gear speed reducer and the power input shaft of the lathe tailstock are both designed as spline shafts, and the two spline shafts are correspondingly connected through the spline sleeves;

preferably, the motor is positioned above the worm and gear speed reducer, the motor is arranged on the top surface of the motor support, and at least three screw rods are vertically arranged between the motor support and the worm and gear speed reducer support;

preferably, the fixing device comprises a fixing plate, a locking nut and a bolt, the bottom surface of the worm and gear speed reducer support is positioned on the top surface of the lathe guide rail frame, the fixing plate is positioned on the bottom surface of the lathe guide rail frame, and the head end of the bolt penetrates through the fixing plate, the lathe guide rail frame and the worm and gear speed reducer support and is in corresponding threaded connection with the locking nut;

preferably, the motor is a variable frequency motor.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses an automatic drilling equipment for center lathe tailstock, can turn into the high rotational speed of motor low-speed through the aspect of worm gear speed reducer , through the motor speed governing, make different drill bits have corresponding feed rate, be suitable for different drilling diameters simultaneously, there is self guard action lathe and drill bit, and reduce the damage to the work piece, so need turn into different low output speed through the high output speed of worm gear speed reducer with the motor, in addition aspect, the output torque of worm gear speed reducer output shaft is great, can strengthen the drilling ability of drill bit, control system establishes to corresponding electric and encoder control system, and this control system realizes moving back automatically when can making the drill bit reach depth and gives the function.

Drawings

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

fig. 2 is a schematic view of fig. 1 taken along direction a.

In the figure: 1. a motor; 2. a drive shaft; 3. a transmission belt; 4. a worm gear reducer; 5. an input shaft; 6. an output shaft; 7. a spline housing; 8. a power input shaft; 9. a lathe tailstock; 10. a speed reducer bracket; 11. a motor bracket; 12. a screw rod; 13. a fixing plate; 14. locking the nut; 15. and (4) bolts.

Detailed Description

The present invention will be explained in detail by the following examples, which are intended to protect -cut technical improvements within the scope of the present invention.

The automatic drilling devices for the common lathe tailstock, which are combined with the attached drawings 1-2, comprise a motor 1, a worm and gear speed reducer 4, a transmission belt 3 and a spline connection, wherein a driving shaft 2 of the motor 1 is correspondingly and drivingly connected with an input shaft 5 of the worm and gear speed reducer 4 through the transmission belt 3, an output shaft 6 of the worm and gear speed reducer 4 is correspondingly connected with a power input shaft 8 of the lathe tailstock 9 through the spline connection, the spline connection can enable the stress of the lathe tailstock 9 to be more uniform, and enable the lathe tailstock 9 to bear larger load, the spline connection comprises a spline shaft and a spline sleeve 7, the output shaft 6 of the worm and gear speed reducer 4 and the power input shaft 8 of the lathe tailstock 9 are both provided with spline shafts, the two spline shafts are correspondingly connected through the spline sleeve 7, the connection process is simpler, therefore, workers can operate more conveniently, and can realize synchronous action under the action of the spline sleeve 7, so that the worm and gear speed reducer 4 can more accurately control the start and stop of the tailstock 9, the motor 1 is provided with different diameters, the drill bits are provided with variable frequency motors, and the drill bits with different feeding speeds, and the same feeding rate of the worm and the drill bit of the worm and the workpiece with the;

in addition, the motor 1 is positioned above the worm and gear speed reducer 4, the motor 1 is installed on the top surface of the motor support 11, at least three lead screws 12 are vertically arranged between the motor support 11 and the worm and gear speed reducer support 10, the lead screws 12 can play a role in stably supporting the motor support 11, the bottom surface of the worm and gear speed reducer support 10 is correspondingly and slidably connected with the lathe guide rail frame through a fixing device, the fixing device comprises a fixing plate 13, a lock nut 14 and a bolt 15 according to needs, the bottom surface of the worm and gear speed reducer support 10 is positioned on the top surface of the lathe guide rail frame, the fixing plate 13 is positioned on the bottom surface of the lathe guide rail frame, the head end of the bolt 15 penetrates through the fixing plate 13, the lathe guide rail frame and the worm and gear speed reducer support 10 and is correspondingly and threadedly connected with the lock nut 14, the motor 1 is correspondingly and electrically connected with a control system, and a user presses a switch button in the control system to control the start and stop of the motor 1, the control system is set as an electric and the control system, and the control system can achieve the function of enabling the automatic bit depth setting when the speed reducer is achieved.

Implement during an automatic drilling equipment for center lathe tailstock 9, at first the diameter in the hole of boring as required, select suitable drill bit, install the drill bit at lathe tailstock 9, later press the shift knob among the control system, make motor 1 start, drive shaft 2 of motor 1 drives input shaft 5 of speed reducer 4 through drive belt 3 and rotates, output shaft 6 of speed reducer 4 drives power input shaft 8 of lathe tailstock 9 through the spline hookup and rotates, namely, the drill bit among the lathe tailstock 9 begins drilling work, after the drilling is accomplished, press shift knob once more, then can make motor 1 stop, later speed reducer 4 loses the power after, output shaft 6 also will stall, under the effect of spline hookup, can make the power input shaft 8 of lathe tailstock 9 stall immediately.

The part of the utility model not detailed is prior art.

Claims

The automatic drilling device for the tailstock of the common lathe is characterized by comprising a motor (1), a worm and gear speed reducer (4), a transmission belt (3) and a spline connection, wherein a driving shaft (2) of the motor (1) is in corresponding driving connection with an input shaft (5) of the worm and gear speed reducer (4) through the transmission belt (3), an output shaft (6) of the worm and gear speed reducer (4) is in corresponding connection with a power input shaft (8) of the tailstock (9) of the lathe through the spline connection, the worm and gear speed reducer (4) is installed on the top surface of a worm and gear speed reducer support (10), the bottom surface of the worm and gear speed reducer support (10) is in corresponding sliding connection with a lathe guide rail frame through a fixing device, and the motor (1) is correspondingly electrically connected with a control system.
2. The automatic drilling device for a tailstock of a lathe as set forth in claim 1, wherein: the spline connection comprises a spline shaft and a spline sleeve (7), the output shaft (6) of the worm gear speed reducer (4) and the power input shaft (8) of the lathe tailstock (9) are both designed as spline shafts, and the two spline shafts are correspondingly connected through the spline sleeve (7).
3. The automatic drilling device for a tailstock of a lathe as set forth in claim 1, wherein: the motor (1) is positioned above the worm and gear speed reducer (4), the motor (1) is installed on the top surface of the motor support (11), and at least three screw rods (12) are vertically arranged between the motor support (11) and the worm and gear speed reducer support (10).
4. The automatic drilling device for a tailstock of a lathe as set forth in claim 1, wherein: the fixing device comprises a fixing plate (13), a locking nut (14) and a bolt (15), the bottom surface of the worm and gear speed reducer support (10) is located on the top surface of the lathe guide rail frame, the fixing plate (13) is located on the bottom surface of the lathe guide rail frame, and the head end of the bolt (15) penetrates through the fixing plate (13), the lathe guide rail frame and the worm and gear speed reducer support (10) and then is in corresponding threaded connection with the locking nut (14).
5. The automatic drilling device for a tailstock of a lathe as set forth in claim 1, wherein: the motor (1) is a variable frequency motor.