CN212918648U

CN212918648U - Liftable numerical control machine tool safety door

Info

Publication number: CN212918648U
Application number: CN202020210735.8U
Authority: CN
Inventors: 杜迎建
Original assignee: Chuangyuan Auto Parts Shanghai Co ltd
Current assignee: Chuangyuan Auto Parts Shanghai Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2021-04-09
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a liftable digit control machine tool emergency exit, including emergency exit and power structure, the power structure is including gear, rack and motor, the rack with gear engagement, there is the shaft coupling ball below, the shaft coupling below is fixed with the motor, the motor is fixed in the frame. Through the operating condition of electric box control numerical control board, when normal during operation, there is glass to look at the concrete operating condition that the numerical control board was watched to the mouth, when numerical control board stop work, can go up the emergency exit, no dead angle is observed and inside. When needing to carry out and observing at the during operation, can shield the emergency exit, but because the existence of correlation photoelectricity, not allow to get into the inside detection of motion machinery, ensured maintenance personal's safety.

Description

Liftable numerical control machine tool safety door

Technical Field

The utility model relates to an emergency exit specifically is a digit control machine tool emergency exit of liftable.

Background

In a factory, the numerical control machine tool replaces manual work to carry out dangerous work and can be seen everywhere in the factory. However, when the numerical control machine tool has problems, a maintainer needs to directly see the working state without obstruction, and the distance can be attacked by splashed material fragments if the protective door is directly opened; or maintenance staff need to enter the numerical control machine tool to observe the situation in the dead angle, and the maintenance staff can be accidentally injured by the dead angle. Most of the existing safety doors are pushed into the left and right sides, so that a part of the interior of a machine tool is a dead angle which cannot be seen from the outside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digit control machine tool emergency exit of liftable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a liftable digit control machine tool emergency exit, includes emergency exit, frame and power structure, power structure including gear, rack and motor, emergency exit support frame with gear housing links to each other, the motor is fixed in the frame right side, be fixed with ball on the motor, ball is last to be fixed with the rack, gear (3) with rack toothing.

As a further aspect of the present invention: a coupler is arranged above the motor, a ball screw is fixed above the coupler, and a rack is fixed on a fixed sleeve on the ball screw.

As a further aspect of the present invention: the periphery of the safety door is fixedly provided with a first correlation photoelectric device and a second correlation photoelectric device, the downward moving tail part of the safety door is fixedly provided with a proximity switch on the rack, and the lowest part of the rack is fixedly provided with an electric box.

As a further aspect of the present invention: a glass viewing opening is arranged in the middle of the safety door, and toughened glass is used as a material.

As a further aspect of the present invention: the safety door moves down the bottom end, fixes the damping plate, the right-hand numerical control board operating surface that is of damping plate, the damping plate is fixed with fixed rubber membrane from top to bottom, and the centre is fixed with the spring.

As a further aspect of the present invention: the lower end of the gear is fixedly connected with a support frame, the support frame is connected to the rack, a slag discharge port is arranged beside the support frame, a dust collection box is arranged below the slag discharge port, and a dust removal opening is formed in the right side of the dust collection box.

As a further aspect of the present invention: a clamping groove is formed in the rack below the bottom end, moving downwards, of the safety door, and a protrusion is arranged at the bottom end of the safety door.

As a further aspect of the present invention: the double-sided glass wiper is characterized in that a double-sided glass wiper is arranged above the glass observation opening and is divided into a front glass wiper and a back glass wiper, the double-sided glass wiper is attracted by strong magnetism, glass wiper clamping grooves are formed in the front faces of the two sides of the glass observation opening, and a glass wiper handle is fixed above the front glass wiper.

Compared with the prior art, the beneficial effects of the utility model are that: through the operating condition of electric box control numerical control board, when normal during operation, there is glass to look at the concrete operating condition that the numerical control board was watched to the mouth, when numerical control board stop work, can go up the emergency exit, no dead angle is observed and inside. When needing to carry out and observing at the during operation, can shield the emergency exit, but because the existence of correlation photoelectricity, not allow to get into the inside detection of motion machinery, ensured maintenance personal's safety.

Drawings

Fig. 1 is a schematic structural diagram of a liftable numerical control machine tool safety door.

Fig. 2 is a schematic view of a liftable glass viewing port of the numerical control machine tool safety door.

Fig. 3 is a schematic structural diagram of a double-sided glass wiper in a liftable numerical control machine tool safety door.

FIG. 4 is a schematic view of a liftable structure for meshing a rack and a pinion in a safety door of a numerically-controlled machine tool

In the figure: 1-frame, 2-safety door, 3-gear, 4-ball screw, 5-coupler, 6-motor, 7-rack, 8-damping plate, 9-correlation photoelectric I, 10-correlation photoelectric II, 11-proximity switch, 12-electric box, 13-glass viewing port, 14-support frame, 15-clamping groove, 16-bulge, 25-double-sided glass wiper, 17-front glass wiper, 18-back glass wiper, 19-glass wiper handle, 20-glass wiper clamping groove, 21-numerical control machine operation surface, 22-slag discharge port, 23-ash removal opening, 24-dust collection box

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-3, a liftable numerically-controlled machine tool safety door comprises a safety door 2 and a power structure, wherein the power structure comprises a gear 3, a rack 7 and a motor 6, the safety door 2 is connected with a shell of the gear 3 through a support frame, the rack 7 is meshed with the gear 3, the rack 7 drives the gear 3 to rotate, and the gear 3 drives the safety door 2 to move downwards. Motor 6 fixes in frame 1, and shaft coupling 5 is in motor 6 top, with motor 6 links to each other, and ball 4 is in shaft coupling 5 top, with shaft coupling 5 links to each other, the fixed cover on the ball 4 is fixed with rack 7 motor 6 drives during the motion of ball 4, rack 7 relative movement, gear 3 rotates, drives emergency exit 2 moves down.

When the safety door 2 moves downwards to a closed position, a proximity switch 11 is fixed on the rack 1 through bolt connection, an electric box 12 is fixed at the lowest part of the rack to control currently required work, and when the proximity switch 11 detects that the safety door 2 is closed, the electric box 12 controls a numerical control machine to formally open work.

And a first correlation photoelectric device 9 and a second correlation photoelectric device 10 are fixedly connected with the periphery of the safety door 2 through bolts. The first correlation photoelectric device 9 transmits a light signal to the second correlation photoelectric device 10, and when the first correlation photoelectric device 9 and the second correlation photoelectric device 10 are detected to be blocked, an electric box 12 at the bottom side of the rack 1 controls the numerical control machine tool to stop working.

The middle of the safety door 2 is provided with a glass observation port 13 which is convenient for maintenance workers to observe, and toughened glass is used as a material to facilitate observation of the internal working state of the numerical control machine tool.

Emergency exit 2 moves the bottom down, is fixed with digit control machine tool damping plate 8, damping plate 8 is right-hand to be numerical control board operating surface 21 carry out operations such as cutting on the numerical control board operating surface 21, damping plate 8 is fixed with the fixed rubber membrane from top to bottom, and the centre is fixed with the spring, works as when emergency exit 2 closes, bottom and 8 in close contact with damping plate realize shock-absorbing function.

The lower extreme fixedly connected with support frame 14 of gear 3, support frame 14 is connected in frame 1, support frame 14 is used for supporting gear 3 and emergency exit 2 be provided with slag discharging port 22 by the support frame next door, clean the difficult residue that cleans that numerical control board produced in normal operation the below of slag discharging port 22 is dust collection box 24, dust collection box 24 right side is opened has deashing opening 23, conveniently collects the processing to the residue of board inside, neither can cause the pollution nor can cause the waste.

On the frame 1 under the bottom that emergency exit 2 moved down, it has a draw-in groove 15 to open emergency exit 2's bottom has a arch 16, when emergency exit 2 moves down and closes, arch 16 card is gone into in the draw-in groove 15, and is fixed emergency exit 2 closes emergency exit 2.

The utility model discloses a theory of operation is: after numerical control board is pressed the start-up by the manual work, electric box 12 control motor 6 rotates, motor 6 rotates and drives the motion of ball 4 through shaft coupling 5, and the fixed cover on the ball 4 drives rack 7 longitudinal motion to drive gear 3 and rotate, fix because of emergency exit 2 on the shell of gear 3, emergency exit 2 moves down, after contacting to proximity switch 11, in protruding 16 card on the emergency exit 2 entered draw-in groove 15, electric box 12 passed through proximity switch 11 and transmitted the signal of returning, control numerical control motor normal work.

When the numerical control machine is required to be overhauled, the safety door 2 of the numerical control machine is shielded, the motor 6 does not act, the numerical control machine works normally, the first correlation photoelectricity 9 and the second correlation photoelectricity 10 work normally, and once the correlation photoelectricity is shielded, the numerical control machine stops working.

The utility model has the advantages that: through the operating condition of electric box control numerical control board, when normal during operation, there is glass to look at the concrete operating condition that the numerical control board was watched to the mouth, when numerical control board stop work, can go up the emergency exit, no dead angle is observed and inside. When needing to carry out and observing at the during operation, can shield the emergency exit, but because the existence of correlation photoelectricity, not allow to get into the inside detection of motion machinery, ensured maintenance personal's safety.

Example 2

Compared with the embodiment 1, the two-sided glass wiper 25 is movable above the glass viewing port 13, the two-sided glass wiper 25 is divided into the front glass wiper 17 and the back glass wiper 18, the two-sided glass wiper 25 is strongly attracted, the two sides of the glass viewing port 13 are provided with glass wiper slots 20 on the front sides, the front glass wiper 17 moves in the wiper slots, the back glass wiper 18 is tightly adsorbed on the front glass wiper 17, the glass wiper handle 19 pushes the front glass wiper 17 to wipe the glass back and forth, and the back glass wiper 18 wipes the glass along with the front glass wiper, so that the glass on the glass viewing port 13 is kept clean and is easy to observe.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a liftable digit control machine tool emergency exit, includes emergency exit (2), frame (1) and power structure, its characterized in that, power structure is including gear (3), rack (7) and motor (6), emergency exit (2) support frame with gear (3) shell links to each other, motor (6) are fixed in frame (1) right side, be fixed with ball (4) on motor (6), be fixed with on ball (4) rack (7), gear (3) with rack (7) meshing.

2. The lifting numerical control machine tool safety door according to claim 1, characterized in that a coupler (5) is arranged above the motor (6), a ball screw (4) is fixed above the coupler (5), and a rack (7) is fixed on a fixed sleeve on the ball screw (4).

3. The numerically controlled machine tool safety door capable of ascending and descending according to claim 2, characterized in that a first correlation photoelectric device (9) and a second correlation photoelectric device (10) are fixed on the periphery of the safety door (2), a proximity switch (11) is fixed on the rack (1) at the downward moving tail part of the safety door (2), and an electric box (12) is fixed at the lowest part of the rack.

4. The numerically-controlled machine tool safety door capable of lifting according to claim 3, characterized in that a glass viewing port (13) is formed in the middle of the safety door (2) and made of tempered glass.

5. The numerically-controlled machine tool safety door capable of ascending and descending according to claim 4, characterized in that a damping plate (8) is fixed at the bottom end of the safety door (2) which moves downwards, rubber films are fixed on the damping plate (8) up and down, and a spring is fixed in the middle.

6. The liftable numerical control machine tool safety door according to claim 5, wherein a support frame (14) is fixedly connected to the lower end of the gear (3), the support frame (14) is connected to the rack (1), a slag discharge port (22) is arranged beside the support frame, a dust collection box (24) is arranged below the slag discharge port (22), and an ash removal opening (23) is formed in the right side of the dust collection box (24).

7. The numerically controlled machine tool safety door capable of being lifted and lowered according to claim 6, wherein a catching groove (15) is formed on the frame (1) below the bottom end where the safety door (2) is moved down, and a protrusion (16) is formed at the bottom end of the safety door (2).

8. The liftable numerical control machine tool safety door according to claim 7, wherein a double-sided glass wiper (25) is fixed above the glass viewing opening (13), the double-sided glass wiper (25) is divided into a front glass wiper (17) and a back glass wiper (18), the double-sided glass wiper (25) is attracted by strong magnetism, glass wiper clamping grooves (20) are formed in the front faces of the two sides of the glass viewing opening (13), and a glass wiper handle (19) is fixed above the front glass wiper (17).