CN210024639U

CN210024639U - Automatic door device of numerical control machine tool

Info

Publication number: CN210024639U
Application number: CN201920608576.4U
Authority: CN
Inventors: 刘建平; 赵岩; 杨小山; 张长春
Original assignee: Sichuan Dekepu Cnc Machine Tool Co Ltd
Current assignee: Sichuan Dekepu Cnc Machine Tool Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-02-07
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses an automatic door device of a numerical control machine tool, which comprises a machine tool shell, wherein an operation door opening is arranged on the front side wall of the machine tool shell, a controller with a processor is fixedly arranged on one side of the operation door opening, two groups of protective doors with the same structure are symmetrically arranged on the inner side of the operation door opening, the inner ends of the protective doors are respectively provided with a clamping-proof plate, the upper ends of the protective doors are respectively provided with a threaded supporting rod column, a driving device is connected above the threaded supporting rod column, the driving device comprises a first fixing seat, a double-shaft driving motor, a forward lead screw, a reverse lead screw, a first balance fixing seat, a sensor and a protective shell, the lower ends of the protective doors are respectively provided with a guide rod column, a guiding device is connected below the guide rod column, the guiding device comprises a second fixing seat, a guide rod and a second balance fixing seat, the whole operation of the, the operation is stable and the use effect is good.

Description

Automatic door device of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field particularly, relates to an automatically-controlled door device of digit control machine tool.

Background

With the rapid development of the automation of the manufacturing industry, the numerical control machine tool is applied to an automatic production line more and more; in order to realize the stability, accuracy and quickness of the automatic line, the automatic door of the numerical control machine tool also needs to meet the requirements of stability, accuracy and quickness.

The conventional numerical control machine tool automatic door generally has the advantages that the door of a machine tool is driven by the air cylinder or the hydraulic cylinder to be opened and closed, the automation of a production line can be met, the pneumatic automatic door is low in speed and safety coefficient, the beat of the production line is directly influenced, the situation of clamping people can be caused, objects cannot be recognized by the air cylinder or the hydraulic cylinder, and people can be clamped or injured or killed possibly.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatically-controlled door device of digit control machine tool for 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 door device of a numerical control machine tool comprises a machine tool shell, wherein an operation door is formed in the front side wall of the machine tool shell, a controller with a processor is fixedly installed on one side of the operation door, two groups of protective doors with the same structure are symmetrically arranged on the inner side of the operation door, anti-pinch plates are arranged at the inner ends of the two groups of protective doors, threaded supporting rod columns are arranged at the upper ends of the two groups of protective doors, a driving device is connected above the threaded supporting rod columns, the driving device comprises a first fixing seat, a double-shaft driving motor, a forward screw rod, a reverse screw rod, a first balance fixing seat, a sensor and a protective shell, guide rod columns are arranged at the lower ends of the two groups of protective doors, a guide device is connected below the guide rod columns, the guide device comprises a second fixing seat, a guide rod and a second balance fixing seat, and the controller is electrically connected with, the controller is respectively and electrically connected with the double-shaft driving motor and the sensor.

Further, the processor in the controller is a processor of model STC15W 201S.

Further, the inner of guard gate all is equipped with the draw-in groove with the corresponding department in pinch-off proof plate position, and the draw-in groove inboard all is equipped with the cavity, the spacing groove has transversely been seted up on the cavity right side, and all is equipped with compression spring in the spacing groove, the cavity is left open design, spacing groove one end and cavity intercommunication, the spacing inslot is equipped with spacing step, be equipped with gag lever post and inoxidizing coating respectively on the wall of pinch-off proof plate inside and outside both sides, the gag lever post equidistant setting is on the pinch-off proof plate inside wall and corresponding with spacing groove position, the gag lever post is located the spacing groove and keeps away from pinch-off proof plate pot head at it and is equipped with compression spring, all be equipped with the spacing ring.

Further, the screw thread support post is including screwed pipe and threaded rod, the threaded rod is two sets of and sets up both ends about the screwed pipe bottom respectively, and is two sets of the threaded rod is fixed with guard gate upper end spiro union, the screwed pipe overlaps respectively to be established on forward lead screw and reverse lead screw and respectively with forward lead screw and reverse lead screw threaded connection, the guide bar post is including guide sleeve and lead screw, lead screw is two sets of and sets up both ends about the guide sleeve top respectively, and is two sets of lead screw is fixed with guard gate lower extreme spiro union, the guide sleeve cover establish on the guide bar and with guide bar sliding connection, both ends all are equipped with except that the bits cover about the guide sleeve, except that bits cover establishes on the guide bar and with guide sleeve one end threaded connection.

Furthermore, the first fixing seat is arranged in the middle of the upper end of the inner side of the operation door, the double-shaft driving motor is arranged on the first fixing seat and fixedly connected with the first fixing seat, the first balance fixing seats are two groups and are respectively arranged on the left side and the right side of the first fixing seat, the first balance fixing seats are located on the same horizontal line and are connected with a forward lead screw between the first balance fixing seat on the left side of the first fixing seat and the first fixing seat, a reverse lead screw is connected between the first balance fixing seat on the right side of the first fixing seat and the first fixing seat, the forward lead screw and the reverse lead screw are equal in length, one end of the forward lead screw and one end of the reverse lead screw are rotatably connected with the first balance fixing seat, and the other end of the forward lead screw and the reverse lead screw. The sensor is two sets of and sets up respectively on two sets of first balanced fixing base inside walls, the protecting crust sets up in biax driving motor, forward lead screw and reverse lead screw outside and to its cladding, the protecting crust bottom is equipped with the chip groove with the corresponding department in threaded rod position.

Furthermore, the second fixing seats are arranged in the middle of the lower end of the inner side of the operation door and correspond to the first fixing seats in position, the two groups of second balance fixing seats are arranged on the left side and the right side of the second fixing seats respectively, the two groups of second balance fixing seats are arranged in parallel with the two groups of first balance fixing seats, the two groups of guide rods are equal in length, one end of each guide rod is fixedly connected with the second fixing seat, and the other end of each guide rod is fixedly connected with the second balance fixing seat.

Furthermore, the two groups of protection doors are positioned on the same horizontal line, the sum of the length sizes of the two groups of protection doors is larger than the length size of an operation door opening, the height size of the two groups of protection doors is larger than the height size of the operation door opening, and the integral length size of the guide device is larger than the integral length size of the drive device.

Furthermore, the protection door inside wall is equidistantly provided with G-shaped pulleys, the inner end of the front side wall of the machine tool shell is provided with G-shaped slide rails corresponding to the G-shaped pulleys in position, and the G-shaped pulleys are located inside the G-shaped slide rails and are connected with the G-shaped slide rails in a sliding mode.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model relates to a novelty, rational in infrastructure, it is rotatory and drive two sets of guard gates simultaneously and remove to operation gate middle-end through biax driving motor drive forward lead screw and reverse lead screw, realize automatic closing the door, open the door reverse rotation can, wherein, the clamp plate plays the effect of preventing the clamp wound with guard gate cooperation design, guider, G shape pulley and G shape slide rail design are convenient for remove and prevent the slope situation from appearing simultaneously, the protecting crust, prevent that chip groove and G shape slide rail design from preventing that a large amount of metal fillings and cutting fluid from splashing the lead screw, on motor and the slide rail, guarantee to remove the size precision, the cover of chip removing is designed and then is used for getting rid of metal fillings and the cutting fluid on the guide bar, improves the direction precision, the utility model discloses overall operation is simple, operates steadily, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an automatic door device of a numerical control machine according to an embodiment of the present invention;

fig. 2 is a rear view of an automatic door apparatus of a numerical control machine according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a driving device in an automatic door device of a numerical control machine according to an embodiment of the present invention;

fig. 4 is a schematic view of a connection structure between a protection door and an anti-pinch plate in an automatic door device of a numerical control machine according to the present invention.

Fig. 5 is a left side view of an automatic door apparatus of a numerical control machine according to an embodiment of the present invention;

fig. 6 is an enlarged view of a position a in an automatic door apparatus of a numerical control machine tool according to an embodiment of the present invention.

Reference numerals:

in the figure: 1. a machine tool housing; 2. an operation doorway; 3. a controller; 4. a protective door; 41. a card slot; 42. a concave cavity; 43. a limiting groove; 44. a compression spring; 5. an anti-pinch plate; 51. a protective layer; 52. a limiting rod; 6. a threaded support post; 61. a threaded pipe; 7. a drive device; 8. a first fixed seat; 9. a dual-axis drive motor; 10. a positive lead screw; 11. a reverse screw rod; 12. a first balanced fixed seat; 13. a guide post; 131. a guide sleeve; 132. chip removing sleeve; 14. a guide device; 15. a second fixed seat; 16. a guide bar; 17. a second balanced fixed seat; 100. a protective shell; 200. a chip-preventing groove; 300. a G-shaped pulley; 400. g-shaped sliding rails.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-6, according to the embodiment of the present invention, an automatic door device of a numerical control machine tool includes a machine tool housing 1, an operation door 2 is disposed on a front side wall of the machine tool housing 1, a controller 3 with a processor is fixedly mounted on one side of the operation door 2, two sets of protection doors 4 with the same structure are symmetrically disposed inside the operation door 2, anti-pinch plates 5 are disposed on inner ends of the two sets of protection doors 4, threaded support rods 6 are disposed on upper ends of the two sets of protection doors 4, a driving device 7 is connected above the threaded support rods 6, the driving device 7 includes a first fixing seat 8, a dual-shaft driving motor 9, a forward screw rod 10, a reverse screw rod 11, a first balance fixing seat 12, a sensor and a protection shell 100, guide rods 13 are disposed on lower ends of the two sets of protection doors 4, a guiding device 14 is connected below the guide rods 13, the guiding device 14 includes a second fixing seat 15, The guide rod 16 and the second balance fixing seat 17, the controller 3 is electrically connected with a built-in power supply of the machine tool, and the controller 3 is respectively electrically connected with the double-shaft driving motor 9 and the sensor.

Wherein, the processor in the controller 3 is a processor of STC15W201S type, the inner end of the protective door 4 is provided with a clamping groove 41 corresponding to the position of the anti-pinch plate 5, the inner sides of the clamping grooves 41 are provided with concave cavities 42, the right side of the concave cavity 42 is transversely provided with a limiting groove 43, the limiting groove 43 is internally provided with a compression spring 44, the concave cavity 42 is designed to be a left opening, one end of the limiting groove 43 is communicated with the concave cavity 42, the limiting groove 43 is internally provided with a limiting step, the inner side wall and the outer side wall of the anti-pinch plate 5 are respectively provided with a limiting rod 51 and a protective layer 52, the limiting rods 51 are arranged on the inner side wall of the anti-pinch plate 5 at equal intervals and correspond to the position of the limiting groove 43, the limiting rod 51 is positioned in the limiting groove 43 and is sleeved with the compression spring 44 at the end away from the anti-pinch plate 5, the limiting rod 51 is provided with a limiting ring corresponding to the position, two sets of threaded rods are fixed with the upper end of the protective door 4 in a threaded manner, threaded pipes 61 are respectively sleeved on the forward screw rod 10 and the reverse screw rod 11 and are respectively in threaded connection with the forward screw rod 10 and the reverse screw rod 11, a guide rod column 13 comprises a guide sleeve 131 and two guide screw rods, the two sets of guide screw rods are respectively arranged at the left end and the right end of the top of the guide sleeve 131, the two sets of guide screw rods are fixed with the lower end of the protective door 4 in a threaded manner, the guide sleeve 131 is sleeved on the guide rod 16 and is in sliding connection with the guide rod 16, both the left end and the right end of the guide sleeve 131 are provided with a chip removing sleeve 132, the chip removing sleeve 132 is sleeved on the guide rod 16 and is in threaded connection with one end of the guide sleeve 131, the first fixed seat 8 is arranged at the middle part of the upper end of the inner side of the operation door opening 2, the double-shaft driving motor 9, two groups of first balanced fixing seats 12 are positioned on the same horizontal line, a forward screw rod 10 is connected between the first balanced fixing seats 12 positioned at the left side of the first fixing seats 8 and the first fixing seats 8, a reverse screw rod 11 is connected between the first balanced fixing seats 12 positioned at the right side of the first fixing seats 8 and the first fixing seats 8, the lengths of the forward screw rod 10 and the reverse screw rod 11 are equal, one ends of the forward screw rod 10 and the reverse screw rod 11 are rotatably connected with the first balanced fixing seats 12, the other ends of the forward screw rod 10 and the reverse screw rod 11 are fixedly connected with the output end of a double-shaft driving motor 9 through a coupler and a reduction box, two groups of sensors are respectively arranged on the inner side walls of the two groups of first balanced fixing seats 12, a protective shell 100 is arranged at the outer sides of the double-shaft driving motor 9, the forward screw rod 10 and the reverse screw rod 11 and covers the two groups of sensors, a chip preventing groove 200, the two groups of second balance fixing seats 17 are arranged on the left side and the right side of the second fixing seat 15 respectively, the two groups of second balance fixing seats 17 are arranged in parallel with the two groups of first balance fixing seats 12, the two groups of guide rods 16 are two groups and equal in length, one end of each guide rod 16 is fixedly connected with the second fixing seat 15, the other end of each guide rod is fixedly connected with the second balance fixing seat 17, the two groups of protective doors 4 are located on the same horizontal line, the sum of the length sizes of the two groups of protective doors 4 is larger than the length size of an operation door 2, the height size of the two groups of protective doors 4 is larger than the height size of the operation door 2, the whole length size of each guide device 14 is larger than the whole length size of each driving device 7, G-shaped pulleys 300 are arranged on the inner side wall of each protective door 4 at equal intervals, G-shaped sliding rails 400 are arranged at the positions, corresponding to.

The working principle is as follows: when the device is used, the controller 3 controls the operation of the double-shaft driving motor 9 in the driving device 7, the double-shaft driving motor 9 operates to drive the forward screw rod 10 and the reverse screw rod 11 to rotate simultaneously, the forward screw rod 10 and the reverse screw rod 11 rotate to drive the two groups of protective doors 4 to move towards the middle end of the operation door opening 2 simultaneously, and the operation is stopped until a set value is reached (namely, the two groups of anti-pinch plates 5 are tightly attached under the pushing of the protective doors 4), so that the automatic door closing is realized, when the device needs to be opened, the controller 3 controls the double-shaft driving motor 9 in the driving device 7 to operate, the double-shaft driving motor 9 operates to drive the forward screw rod 10 and the reverse screw rod 11 to rotate reversely simultaneously, the forward screw rod 10 and the reverse screw rod 11 rotate reversely to drive the two groups of protective doors 4 to move towards the two sides of the operation door, the safety detection and limiting device has the advantages that when the protective door 4 is to be closed and an operator needs to be clamped due to carelessness that the operator cannot move back, the anti-pinch plate 5 at the inner end of the protective door 4 contacts with a human body, the anti-pinch plate 5 does not move forward due to contact resistance with the human body and stretches into the concave cavity 42 under the action of the driving device 7, the operator can be effectively prevented from being clamped, after the operator moves back, the anti-pinch plate 5 resets under the action of the compression spring 44, the protective shell 100, the chip-proof groove 200 and the G-shaped sliding rail 400 are designed to prevent a large amount of metal chips and cutting fluid from splashing to a screw rod, a motor and a sliding rail, the moving size precision is ensured, the G-shaped sliding rail 400 and the guiding device 13 are designed to facilitate the protective door 4 to be kept horizontal integrally and prevent the protective door 4 from inclining and simultaneously facilitate the integral movement of the protective door 4, the chip removing sleeve 132 is designed to remove the metal chips and the, and the guiding precision is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatically-controlled door device of digit control machine tool, includes lathe shell (1), its characterized in that: an operation door opening (2) is formed in the front side wall of the machine tool shell (1), a controller (3) with a processor is fixedly installed on one side of the operation door opening (2), two groups of protective doors (4) with the same structure are symmetrically arranged on the inner side of the operation door opening (2), anti-pinch plates (5) are arranged at the inner ends of the two groups of protective doors (4), threaded support rod columns (6) are arranged at the upper ends of the two groups of protective doors (4), a driving device (7) is connected above the threaded support rod columns (6), the driving device (7) comprises a first fixing seat (8), a double-shaft driving motor (9), a forward screw rod (10), a reverse screw rod (11), a first balance fixing seat (12), a sensor and a protective shell (100), guide rod columns (13) are arranged at the lower ends of the two groups of protective doors (4), and a guide device (14) is connected below the guide rod columns (13), the guide device (14) comprises a second fixed seat (15), a guide rod (16) and a second balance fixed seat (17), the controller (3) is electrically connected with a built-in power supply of the machine tool, and the controller (3) is electrically connected with the double-shaft driving motor (9) and the sensor respectively.

2. The automatic door device for a numerical control machine according to claim 1, wherein the processor in the controller (3) is a processor of type STC15W 201S.

3. The automatic door device of the numerical control machine tool according to claim 1, characterized in that the corresponding positions of the inner end of the protective door (4) and the anti-pinch plate (5) are provided with clamping grooves (41), the inner sides of the clamping grooves (41) are provided with concave cavities (42), the right side of each concave cavity (42) is transversely provided with a limiting groove (43), each limiting groove (43) is internally provided with a compression spring (44), each concave cavity (42) is designed to be opened at the left side, one end of each limiting groove (43) is communicated with the corresponding concave cavity (42), each limiting groove (43) is internally provided with a limiting step, each anti-pinch plate (5) is internally and externally provided with a limiting rod (51) and a protective layer (52), the limiting rods (51) are equidistantly arranged on the inner side wall of the anti-pinch plate (5) and correspond to the positions of the limiting grooves (43), the limiting rods (51) are positioned in the limiting grooves (43) and are sleeved with the compression springs (44) at the ends, and the limiting rods (51) are provided with limiting rings at positions corresponding to the limiting steps.

4. The automatic door device of the numerical control machine according to claim 1, wherein the threaded support post (6) comprises two sets of threaded pipes (61) and two sets of threaded rods, the two sets of threaded rods are respectively arranged at the left and right ends of the bottom of the threaded pipe (61), the two sets of threaded rods are fixed with the upper end of the guard door (4) in a threaded manner, the threaded pipes (61) are respectively sleeved on the forward screw rod (10) and the reverse screw rod (11) and are respectively in threaded connection with the forward screw rod (10) and the reverse screw rod (11), the guide post (13) comprises two guide sleeves (131) and two guide screws, the two sets of guide screws are respectively arranged at the left and right ends of the top of the guide sleeves (131), the two sets of guide screws are fixed with the lower end of the guard door (4) in a threaded manner, the guide sleeves (131) are sleeved on the guide rods (16) and are in sliding connection with the guide rods (16), both ends all are equipped with except that bits cover (132) about guide sleeve (131), remove bits cover (132) and establish on guide bar (16) and with guide sleeve (131) one end threaded connection.

5. The automatic door device of the numerical control machine according to claim 1, wherein the first fixing seat (8) is disposed at the middle of the upper end of the inner side of the operation door (2), the double-shaft driving motor (9) is disposed on the first fixing seat (8) and fixedly connected with the first fixing seat (8), the first balancing fixing seats (12) are divided into two groups and respectively disposed at the left and right sides of the first fixing seat (8), the two groups of the first balancing fixing seats (12) are disposed on the same horizontal line, a forward screw rod (10) is connected between the first balancing fixing seat (12) located at the left side of the first fixing seat (8) and the first fixing seat (8), a reverse screw rod (11) is connected between the first balancing fixing seat (12) located at the right side of the first fixing seat (8) and the first fixing seat (8), and the forward screw rod (10) and the reverse screw rod (11) are equal in length, forward lead screw (10) and reverse lead screw (11) one end are rotated with first balanced fixing base (12) and are connected, and the other end all passes through shaft coupling and reducing gear box and biax driving motor (9) output fixed connection, the sensor is two sets of and sets up respectively on two sets of first balanced fixing base (12) inside walls, protecting crust (100) set up in biax driving motor (9), forward lead screw (10) and reverse lead screw (11) outside and to its cladding, protecting crust (100) bottom is equipped with chip groove (200) with the corresponding department in threaded rod position.

6. The automatic door device of the numerical control machine according to claim 1, characterized in that the second fixing seats (15) are arranged in the middle of the lower end of the inner side of the operation doorway (2) and correspond to the first fixing seats (8) in position, the second balancing fixing seats (17) are arranged in two sets and are respectively arranged on the left and right sides of the second fixing seats (15), the two sets of the second balancing fixing seats (17) are arranged in parallel with the two sets of the first balancing fixing seats (12), the guide rods (16) are arranged in two sets and have the same length, one end of each guide rod (16) is fixedly connected with the second fixing seat (15), and the other end of each guide rod is fixedly connected with the second balancing fixing seat (17).

7. The automatic door device of a numerical control machine according to claim 1, characterized in that two sets of said protection doors (4) are on the same horizontal line, the sum of the length dimensions of two sets of said protection doors (4) is greater than the length dimension of the operation doorway (2), the height dimension of two sets of said protection doors (4) is greater than the height dimension of the operation doorway (2), and the overall length dimension of said guiding device (14) is greater than the overall length dimension of the driving device (7).

8. The automatic door device of the numerical control machine according to claim 1, characterized in that G-shaped pulleys (300) are equidistantly arranged on the inner side wall of the guard door (4), G-shaped sliding rails (400) are arranged at the inner end of the front side wall of the machine housing (1) corresponding to the G-shaped pulleys (300), and the G-shaped pulleys (300) are positioned inside the G-shaped sliding rails (400) and are slidably connected with the G-shaped sliding rails (400).