CN214322636U

CN214322636U - Automatic safety door of numerical control machine tool

Info

Publication number: CN214322636U
Application number: CN202120143868.2U
Authority: CN
Inventors: 彭伟
Original assignee: Yunnan Tongchuang Cnc Machine Tool Co ltd
Current assignee: Yunnan Tongchuang Cnc Machine Tool Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-10-01
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses an automatic safety door of a numerical control machine tool, which comprises a first safety door, wherein the upper end of the first safety door is provided with a working box, the front end outer surface of the working box is fixedly connected with a servo motor, the outer surface of an output shaft of the servo motor is fixedly provided with a rotating shaft, a main gear disc is welded on the outer surface of the rotating shaft, a belt pulley is fixedly arranged on the outer surface of the rotating shaft, the outer surface of the belt pulley is rotatably connected with a belt strip, the outer surface of the lower end of the working box is provided with a chute, and the inner wall of the chute is slidably connected with a rack plate; servo motor's operation is favorable to making first emergency exit and secondary safety door or back of the body removal in opposite directions, is favorable to the convenient control to this emergency exit, is favorable to the rigidity to between first emergency exit and the secondary safety door, prevents to take place the insecure phenomenon in position between first emergency exit and the secondary safety door, improves the result of use of the automatic emergency exit of digit control machine tool.

Description

Automatic safety door of numerical control machine tool

Technical Field

The utility model belongs to the technical field of the digit control machine tool, concretely relates to digit control machine tool automatic safety door.

Background

The numerical control machine tool is a digital control machine tool for short, is an automatic machine tool provided with a program control system, automatically processes a processed part, and a machine tool safety door is an important part in a machine tool safety protection system and is mainly used for preventing a cutter, a workpiece and the like from accidentally flying out to injure a human body in the processing process;

the existing machine tool mostly adopts a manual safety door plate with two sides arranged in a split mode or a left-right push-and-pull mode, and due to the fact that the safety door plate is heavy, opening and closing of workers are time-consuming and labor-consuming, and operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above object, the utility model provides a following technical scheme: an automatic safety door of a numerical control machine tool comprises a first safety door, wherein a working box is arranged at the upper end of the first safety door, a servo motor is fixedly connected to the outer surface of the front end of the working box, a rotating shaft is fixedly mounted on the outer surface of an output shaft of the servo motor, a main gear disc is welded on the outer surface of the rotating shaft, a belt pulley is fixedly mounted on the outer surface of the rotating shaft, a belt strip is rotatably connected to the outer surface of the belt pulley, a sliding groove is formed in the outer surface of the lower end of the working box, a rack plate is slidably connected to the inner wall of the sliding groove, a second safety door is fixedly mounted on the outer surface of the lower end of the rack plate, a limiting strip is arranged at the lower end of the first safety door, a T-shaped groove is formed in the outer surface of the upper end of the limiting strip, a T-shaped plate is slidably connected to the inner wall of the T-shaped groove, a circular groove is formed in the outer surface of the lower end of the T-shaped plate, the inner wall of circular recess is provided with the circular block, the mounting groove has been seted up to the inner wall in T type groove, the inner wall fixedly connected with extrusion spring of mounting groove, extrusion spring's upper end external surface fixed mounting has the connecting block.

Preferably, the inner wall of the mounting groove is provided with a blocking groove, the inner wall of the blocking groove is connected with a blocking block in a sliding mode, and the blocking block and the connecting block are welded integrally.

Preferably, the rotating shaft is rotatably connected with the working box through a bearing, an auxiliary gear disc is meshed and connected with the outer surface of the main gear disc, and the auxiliary gear disc is meshed and connected with the rack plate.

Preferably, the number of the belt pulleys and the number of the main gear discs are two, and the T-shaped plate and the second safety door are welded integrally.

Preferably, the number of the rack plates is two, and the rack plates and the first safety door are welded integrally.

Preferably, be integrated into one piece between circular piece and the connecting block, be integrative welding between connecting block and the extrusion spring, the surface mounting of first emergency exit has the glass board.

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

1. through being provided with servo motor, main gear dish, pinion disc and belt pulley, when this emergency exit normal use, servo motor's operation drives the axis of rotation and rotates, and the rotation of axis of rotation makes two sets of main gear dishes rotate simultaneously under the effect of belt strip and belt pulley, and the rotation of main gear dish drives pinion disc and rotates, is favorable to making first emergency exit and second emergency exit or back of the body removal in opposite directions, is favorable to the convenient control to this emergency exit.

2. Through being provided with circular slot, circular block, extrusion spring and separation piece, when this emergency exit was closed, when the surface of first emergency exit and secondary safety door was laminated each other, the inner wall of circular slot was slided into to the circular block, to the rigidity between first emergency exit and the secondary safety door, prevented to take place the insecure phenomenon in position between first emergency exit and the secondary safety door, improved the result of use of digit control machine tool automatic safety door.

Drawings

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

fig. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at FIG. 2A;

FIG. 4 is a schematic structural view of the main gear plate and the belt pulley of the present invention;

in the figure: 1. a first safety door; 2. a work box; 3. a glass plate; 4. a limiting strip; 5. a secondary security gate; 6. a main gear plate; 7. a rotating shaft; 8. a rack plate; 9. a chute; 10. a belt strip; 11. a T-shaped groove; 12. a T-shaped plate; 13. a circular groove; 14. a circular block; 15. a barrier block; 16. a blocking groove; 17. mounting grooves; 18. connecting blocks; 19. a compression spring; 20. a belt pulley; 21. a pinion gear plate; 22. a servo motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an automatic safety door of a numerical control machine tool comprises a first safety door 1, wherein a working box 2 is arranged at the upper end of the first safety door 1, a servo motor 22 is fixedly connected to the outer surface of the front end of the working box 2 so as to control the movement of the first safety door 1 and a second safety door 5, a rotating shaft 7 is fixedly installed on the outer surface of an output shaft of the servo motor 22, a main gear disc 6 is welded on the outer surface of the rotating shaft 7, a belt pulley 20 is fixedly installed on the outer surface of the rotating shaft 7 so as to facilitate the synchronous movement of the first safety door 1 and the second safety door 5, a belt strip 10 is rotatably connected to the outer surface of the belt pulley 20, a sliding groove 9 is formed in the outer surface of the lower end of the working box 2, a rack plate 8 is slidably connected to the inner wall of the sliding groove 9, a second safety door 5 is fixedly installed on the outer surface of the lower end of the rack plate 8 so as to ensure the stability of the first safety door 1 and the second safety door 5 in the moving process, the lower extreme of first emergency exit 1 is provided with spacing 4, T type groove 11 has been seted up to the upper end surface of spacing 4, the inner wall sliding connection of T type groove 11 has T template 12, circular recess 13 has been seted up to the lower extreme surface of T template 12, the inner wall of circular recess 13 is provided with circular block 14, mounting groove 17 has been seted up to the inner wall of T type groove 11, the inner wall fixedly connected with extrusion spring 19 of mounting groove 17, extrusion spring 19's upper end fixed surface installs connecting block 18, be favorable to the rigidity to between first emergency exit 1 and the secondary safety door 5 under the effect of no external force, prevent to take place the insecure phenomenon in position between first emergency exit 1 and the secondary safety door 5, the result of use of digit control machine tool automatic safety door is improved.

Furthermore, separation groove 16 has been seted up to the inner wall of mounting groove 17, separation block 15 has been connected to separation groove 16's inner wall sliding connection, welding as an organic whole between separation block 15 and the connecting block 18, so that restrict the range of movement of circular block 14, rotation axis 7 passes through to be connected for rotating between bearing and the work box 2, so that rotation axis 7's rotation, the surface meshing of master gear dish 6 is connected with pinion disc 21, be connected for the meshing between pinion disc 21 and the rack plate 8, be favorable to making first emergency exit 1 and second emergency exit 5 move towards each other or back of the body mutually.

Further, the number of the belt pulleys 20 and the main gear disc 6 is two, the T-shaped plates 12 and the secondary safety door 5 are welded integrally, the number of the rack plates 8 is two, the rack plates 8 and the primary safety door 1 are welded integrally, the circular blocks 14 and the connecting blocks 18 are integrally formed, so that the primary safety door 1 and the secondary safety door 5 are fixed to be in position, the connecting blocks 18 and the extrusion springs 19 are welded integrally, and the glass plates 3 are mounted on the outer surface of the primary safety door 1.

The utility model discloses a theory of operation and use flow: the utility model discloses an automatic emergency exit of digit control machine tool, when this emergency exit normal use, the operator makes servo motor 22's connecting wire and power connection, operating switch starts servo motor 22, servo motor 22's operation drives axis of rotation 7 and rotates, the rotation of axis of rotation 7 makes two sets of primary gear dish 6 rotate simultaneously under the effect of belt strip 10 and belt pulley 20, the rotation of primary gear dish 6 drives secondary gear dish 21 and rotates, be favorable to making first emergency exit 1 and secondary safety door 5 move towards each other or back to back, be favorable to the control to this emergency exit, when this emergency exit is closed, T template 12 slides in the inner wall of T type groove 11, when the surface of first emergency exit 1 and secondary safety door 5 pastes each other, at this moment circular block 14 slips into the inner wall of circular recess 13, be favorable to the position fixing between first emergency exit 1 and the secondary safety door 5 under the effect of no external force, the phenomenon of position infirm between the first safety door 1 and the second safety door 5 is prevented, the using effect of the automatic safety door of the numerical control machine tool is improved, and the safety door is practical.

Claims

1. The utility model provides an automatic emergency exit of digit control machine tool, includes first emergency exit (1), its characterized in that: the upper end of the first safety door (1) is provided with a working box (2), the front end outer surface of the working box (2) is fixedly connected with a servo motor (22), the outer surface of an output shaft of the servo motor (22) is fixedly provided with a rotating shaft (7), the outer surface of the rotating shaft (7) is welded with a main gear disc (6), the outer surface of the rotating shaft (7) is fixedly provided with a belt pulley (20), the outer surface of the belt pulley (20) is rotatably connected with a belt strip (10), the outer surface of the lower end of the working box (2) is provided with a sliding groove (9), the inner wall of the sliding groove (9) is slidably connected with a rack plate (8), the outer surface of the lower end of the rack plate (8) is fixedly provided with a second safety door (5), the lower end of the first safety door (1) is provided with a limiting strip (4), the outer surface of the upper end of the limiting strip (4) is provided with a T-shaped groove (11), the inner wall sliding connection of T type groove (11) has T template (12), circular recess (13) have been seted up to the lower extreme surface of T template (12), the inner wall of circular recess (13) is provided with circular block (14), mounting groove (17) have been seted up to the inner wall of T type groove (11), the inner wall fixedly connected with extrusion spring (19) of mounting groove (17), the upper end fixed surface of extrusion spring (19) installs connecting block (18).

2. The automatic emergency exit of digit control machine tool of claim 1, characterized in that: blocking groove (16) have been seted up to the inner wall of mounting groove (17), the inner wall sliding connection of blocking groove (16) has blocking piece (15), weld as an organic whole between blocking piece (15) and connecting block (18).

3. The automatic emergency exit of digit control machine tool of claim 1, characterized in that: the rotating shaft (7) is connected with the working box (2) through a bearing in a rotating mode, an auxiliary gear disc (21) is connected to the outer surface of the main gear disc (6) in a meshed mode, and the auxiliary gear disc (21) is connected with the rack plate (8) in a meshed mode.

4. The automatic emergency exit of digit control machine tool of claim 1, characterized in that: the number of the belt pulleys (20) and the number of the main gear disc (6) are two, and the T-shaped plate (12) and the second safety door (5) are integrally welded.

5. The automatic emergency exit of digit control machine tool of claim 1, characterized in that: the quantity of rack board (8) is two sets of, weld as an organic whole between rack board (8) and first emergency exit (1).

6. The automatic emergency exit of digit control machine tool of claim 1, characterized in that: be integrated into one piece between circular block (14) and connecting block (18), be integrative welding between connecting block (18) and extrusion spring (19), the surface mounting of first emergency exit (1) has glass board (3).