CN215616402U

CN215616402U - Special connecting device of ball screw on digit control machine tool

Info

Publication number: CN215616402U
Application number: CN202121715120.1U
Authority: CN
Inventors: 张晋楠; 张学伟; 孙一兰; 吴建
Original assignee: Shenyang Jinshuangyuan New Material Technology Co ltd
Current assignee: Shenyang Jinshuangyuan New Material Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-25
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a special connecting device for a ball screw on a numerical control machine tool, and particularly relates to the field of screw connection. According to the utility model, the strip-shaped clamping grooves and the convex sliding blocks which are correspondingly arranged on the side surfaces of the power cabin and one end of the fixed sliding plate are in a clamping fit state, so that the simplicity of disassembling and assembling the fixed sliding plate is increased, the stability of power transmission of the motor can be facilitated through the arranged first gear and the second gear, the second gear can be conveniently disassembled, meanwhile, the ball screw is conveniently disassembled and maintained, the convenience of replacing the ball screw is increased, and the working efficiency is increased.

Description

Special connecting device of ball screw on digit control machine tool

Technical Field

The utility model relates to the field of screw rod connection, in particular to a special connecting device for a ball screw rod on a numerical control machine tool.

Background

The motion of digit control machine tool workstation all utilizes alternating current servo motor to drive ball screw rotatory, it is fixed with the workstation through the nut seat, change rotary motion to linear motion, ball is the transmission element that tool machine and precision machine used most often, its main function is with rotary motion conversion linear motion, or convert the moment of torsion to the axial and relapse the effort, have high accuracy concurrently simultaneously, reversibility and efficient characteristics, owing to have very little frictional resistance, ball is by wide application in various industrial equipment and precision instrument, current ball receives wearing and tearing easily when carrying out long-term use, the operation is too loaded down with trivial details when changing, inconvenient change.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, an embodiment of the present invention provides a special connecting device for a ball screw on a numerical control machine tool, and the technical problem to be solved by the present invention is: how to conveniently change ball screw and adjust.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a ball screw special connecting device on digit control machine tool, includes the mount, its characterized in that: the upper end of mount is equipped with fixed slide and spill spout, the fixed headstock that is equipped with of one end of mount, the downside of mount one end is being kept away from to the headstock is equipped with servo motor, servo motor is equipped with fixed stop in the one end of being close to the headstock, the headstock is equipped with the bar draw-in groove in the upper end side of keeping away from the mount, fixed stop's upper end is equipped with the fixed plate, the fixed convex slider that is equipped with in inboard of fixed plate, the inside of spill spout is equipped with lead screw, screw-nut and transmission chassis, the lead screw runs through to the inside of spill spout from the power cabin inside, and extends to another terminal surface of spill spout, the lead screw all is equipped with the bearing in the inside of spill spout and the terminal surface junction of mount, the one end on transmission chassis is equipped with the spill draw-in groove, the one end of lead screw is equipped with the fixed block.

The end part of a power output shaft of the servo motor is fixedly provided with a first gear after penetrating through the fixed baffle, the fixed baffle and the lower end face of the power cabin are respectively provided with a threaded through hole, and one end, close to the servo motor, of the screw rod is provided with a second gear, a protection pad and a nut.

The quantity correspondence of screw thread through-hole is equipped with a plurality ofly, and a plurality ofly corresponds the screw thread through-hole that sets up and be coplane setting, the quantity of bar draw-in groove is equipped with two, and corresponds the both sides that set up in the engine compartment upper end, the quantity of convex slider is equipped with two, and corresponds the both sides that set up the central axis of direction overlooking at the fixed plate.

The first gear and the second gear are the same in specification, the first gear and the second gear are meshed with each other in the power compartment, and the convex sliding blocks and the two strip-shaped clamping grooves are matched in a clamping mode.

The quantity of bearing is equipped with a plurality ofly, and corresponds at the both ends of lead screw and be equipped with two, screw-nut and spill draw-in groove pass through joint looks adaptation, the top on transmission chassis is equipped with the thread tightening hole, screw-nut and spill draw-in groove looks joint department all correspond and are equipped with the screw thread through-hole.

The fixed plate and the fixed baffle are the same as the end face of the side part of the power cabin, the top parts of the fixed plate and the power cabin are correspondingly provided with threaded through holes, the two corresponding threaded through holes are arranged in a coplanar manner, and the height of the upper end face of the fixed baffle is lower than that of the first gear.

The utility model has the technical effects and advantages that: according to the utility model, the strip-shaped clamping grooves and the convex sliding blocks which are correspondingly arranged on the side surfaces of the power cabin and one end of the fixed sliding plate are in a clamping fit state, so that the simplicity of disassembly and assembly of the fixed sliding plate is increased, meanwhile, the fixed sliding plate is conveniently fixed through the threaded through holes arranged on the top of the fixed sliding plate, the stability of transmission of motor power can be facilitated through the arranged first gear and the second gear, the second gear can be conveniently disassembled, and meanwhile, the ball screw rod is conveniently disassembled and maintained.

Drawings

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

Fig. 2 is a schematic view of the overall rear view structure of the present invention.

FIG. 3 is a schematic view of a partial front view connection structure of the ball screw according to the present invention.

FIG. 4 is a schematic view of a partial rear view connection structure of the ball screw according to the present invention.

The reference signs are: the device comprises a fixing frame 1, a fixing sliding plate 2, a lead screw 3, a power cabin 4, a transmission chassis 5, a bearing 6, a concave sliding groove 7, a fixing plate 8, a servo motor 9, a first gear 10, a fixing baffle 11, a strip-shaped clamping groove 12, a convex sliding block 13, a second gear 14, a fixing block 15, a lead screw nut 16 and a concave clamping groove 17.

Detailed Description

The utility model provides a special connecting device for a ball screw on a numerical control machine tool as shown in figures 1-4, which comprises a fixed frame 1, wherein the upper end of the fixed frame 1 is provided with a fixed sliding plate 2 and a concave sliding groove 7, one end of the fixed frame 1 is fixedly provided with a power cabin 4, the lower side of one end of the power cabin 4 far away from the fixed frame 1 is provided with a servo motor 9, one end of the servo motor 9 close to the power cabin 4 is provided with a fixed baffle 11, the side surface of the upper end of the power cabin 4 far away from the fixed frame 1 is provided with a strip-shaped clamping groove 12, the upper end of the fixed baffle 11 is provided with a fixed plate 8, the inner side of the fixed plate 8 is fixedly provided with a convex sliding block 13, the inner part of the concave sliding groove 7 is provided with a screw 3, a screw nut 16 and a transmission chassis 5, the screw 3 penetrates through the inner part of the concave sliding groove 7 from the inner part of the power cabin 4 and extends to the other end surface of the concave sliding groove 7, the lead screw 3 is provided with bearings 6 at the joint of the inner part of the concave sliding groove 7 and the end surface of the fixed frame 1, one end of the transmission chassis 5 is provided with a concave clamping groove 17, and one end of the lead screw 3 is provided with a fixed block 15.

Further, in the above technical solution, the end of the power output shaft of the servo motor 9 is fixedly provided with a first gear 10 after passing through a fixing baffle 11, the fixing baffle 11 and the lower end face of the power compartment 4 are both provided with a threaded through hole, and the lead screw 3 is provided with a second gear 14, a protection pad and a nut at one end close to the servo motor 9, so that the stability of the operation of the lead screw 3 can be increased, and the lead screw 3 can be conveniently detached.

Further, in above-mentioned technical scheme, the quantity correspondence of screw through-hole is equipped with a plurality ofly, and a plurality ofly corresponds the screw through-hole that sets up and be coplane setting, the quantity of bar draw-in groove 12 is equipped with two, and corresponds the both sides that set up in the piggyback pod 4 upper end, the quantity of convex slider 13 is equipped with two, and corresponds the both sides that set up the central axis of the direction at fixed plate 8 overlooking, can make things convenient for fixed plate 8 to fix, increases the fixed stability of fixed plate 8 simultaneously.

Further, in above-mentioned technical scheme, first gear 10 is the same with 14 specifications of second gear, first gear 10 and second gear 14 are at the inside intermeshing of nacelle 4, two power transmission of lead screw 3 can be guaranteed through joint looks adaptation to convex slider 13 and two bar draw-in grooves 12, can guarantee the fixed stability of fixed plate 8 simultaneously, conveniently dismantle fixed plate 8.

Further, in above-mentioned technical scheme, the quantity of bearing 6 is equipped with a plurality ofly, and corresponds at the both ends of lead screw 3 and be equipped with two, screw-nut 16 and spill draw-in groove 17 pass through joint looks adaptation, the top of transmission chassis 5 is equipped with the thread tightening hole, screw-nut 16 and spill draw-in groove 17 looks joint department all correspond and are equipped with the screw through-hole, can guarantee the stability of lead screw 3 operation, guarantee the stability that screw-nut 16 and spill draw-in groove 17 removed.

Further, in the above technical scheme, fixed plate 8 and fixed stop 11 are the same with the lateral part terminal surface of power compartment 4, the top of fixed plate 8 and power compartment 4 all corresponds and is equipped with the screw thread through-hole, and two screw thread through-holes that correspond the setting are coplane setting, the height of the up end of fixed stop 11 is less than the height of first gear 10, can conveniently fix fixed plate 8, conveniently dismantles second gear 14 simultaneously.

The working principle of the utility model is as follows: when the ball screw is disassembled and assembled, the screw in the threaded through hole arranged at the upper end of the fixed plate 8 is disassembled, then the fixed plate 8 is moved upwards, meanwhile, the fixed plate 8 is disassembled under the state that the fixed plate 8 is matched with the strip-shaped clamping groove 12 and the convex sliding block 13 arranged on the side surface of the power cabin 4, then the nut and the second gear 14 are disassembled, the ball screw can be taken out after the bearing 6 is disassembled, the replacement of the ball screw is convenient, and the steps are repeated reversely when the ball screw is assembled.

Claims

1. The utility model provides a ball screw special connecting device on digit control machine tool, includes mount (1), its characterized in that: the upper end of the fixing frame (1) is provided with a fixed sliding plate (2) and a concave sliding groove (7), one end of the fixing frame (1) is fixedly provided with a power cabin (4), the lower side of one end of the fixing frame (1) is far away from the power cabin (4) is provided with a servo motor (9), one end of the servo motor (9) close to the power cabin (4) is provided with a fixed baffle (11), the side face of the upper end of the power cabin (4) far away from the fixing frame (1) is provided with a strip-shaped clamping groove (12), the upper end of the fixed baffle (11) is provided with a fixed plate (8), the inner side of the fixed plate (8) is fixedly provided with a convex sliding block (13), the inner part of the concave sliding groove (7) is provided with a screw rod (3), a screw rod nut (16) and a transmission chassis (5), the screw rod (3) penetrates through the inner part of the concave sliding groove (7) from the inner part of the power cabin (4) and extends to the other end face of the concave sliding groove (7), the lead screw (3) is provided with a bearing (6) at the joint of the inner part of the concave sliding groove (7) and the end surface of the fixing frame (1), one end of the transmission chassis (5) is provided with a concave clamping groove (17), and one end of the lead screw (3) is provided with a fixing block (15).

2. The special connecting device for the ball screw on the numerical control machine tool according to claim 1, characterized in that: the power output shaft end of the servo motor (9) is fixedly provided with a first gear (10) after penetrating through a fixed baffle (11), the fixed baffle (11) and the lower end face of the power cabin (4) are both provided with threaded through holes, and one end, close to the servo motor (9), of the screw rod (3) is provided with a second gear (14), a protection pad and a nut.

3. The special connecting device for the ball screw on the numerical control machine tool according to claim 2, characterized in that: the quantity correspondence of screw thread through-hole is equipped with a plurality ofly, and a plurality ofly corresponds the screw thread through-hole that sets up and set up for coplane, the quantity of bar draw-in groove (12) is equipped with two, and corresponds the both sides that set up in nacelle (4) upper end, the quantity of convex slider (13) is equipped with two, and corresponds the both sides that set up the central axis of overlooking the direction at fixed plate (8).

4. The special connecting device for the ball screw on the numerical control machine tool according to claim 2, characterized in that: the first gear (10) and the second gear (14) are identical in specification, the first gear (10) and the second gear (14) are meshed with each other in the power cabin (4), and the convex sliding blocks (13) and the two strip-shaped clamping grooves (12) are matched through clamping.

5. The special connecting device for the ball screw on the numerical control machine tool according to claim 1, characterized in that: the quantity of bearing (6) is equipped with a plurality ofly, and corresponds at the both ends of lead screw (3) and is equipped with two, screw-nut (16) and spill draw-in groove (17) are through joint looks adaptation, the top on transmission chassis (5) is equipped with the thread tightening hole, screw-nut (16) and spill draw-in groove (17) looks joint department all correspond and are equipped with the screw thread through-hole.

6. The special connecting device for the ball screw on the numerical control machine tool according to claim 1, characterized in that: the fixed plate (8) and the fixed baffle (11) are the same as the end face of the side part of the power cabin (4), the top parts of the fixed plate (8) and the power cabin (4) are correspondingly provided with threaded through holes, the two corresponding threaded through holes are arranged in a coplanar manner, and the height of the upper end face of the fixed baffle (11) is lower than that of the first gear (10).