CN117325003A

CN117325003A - Built-in long-stroke automatic door structure

Info

Publication number: CN117325003A
Application number: CN202311636134.8A
Authority: CN
Inventors: 杜维勇; 沈成辉; 范源超; 赵闯; 彭刚
Original assignee: Guangdong Pradi Technology Co ltd
Current assignee: Guangdong Pradi Technology Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-01-02
Anticipated expiration: 2043-12-01
Also published as: CN117325003B

Abstract

The invention discloses a built-in long-stroke automatic door structure, and particularly relates to the technical field of automatic doors, wherein the automatic door structure comprises a fixed plate, two automatic doors are connected onto the fixed plate in a sliding manner, and an automatic opening and closing mechanism is arranged on the fixed plate; the automatic opening and closing mechanism comprises two linear drivers, the two automatic doors are respectively arranged on the two linear drivers, and the linear drivers are used for driving the automatic doors to open and close; a first travel switch is fixedly arranged on the fixed plate, a touch seat is arranged on the automatic door, and a second travel switch is arranged on one side, close to each other, of the two automatic doors; the system also comprises a control module; when the linear driver drives the two automatic doors to open and when the touch seat collides with the contact travel switch, the control module controls the linear driver to stop moving. According to the invention, the linear driver and the travel switch are arranged, and the linear driver is utilized to drive the automatic door, so that the automatic opening and closing of the long-travel automatic door can be realized, and the workload of staff is reduced.

Description

Built-in long-stroke automatic door structure

Technical Field

The invention relates to the technical field of automatic doors, in particular to a built-in long-stroke automatic door structure.

Background

Machine tools refer to both manufacturing machines and machines, and the use of long-stroke machines is a significant advantage in the manufacture of elongated workpieces and workpieces having angled holes.

The existing long-stroke machine tool is long in length, two long opposite push-pull machine tool doors are generally arranged at the center of the front face of the machine tool main body part, the machine tool doors are connected to the machine tool casing in a sliding mode through guide rails, when the machine tool is used, workers manually push the machine tool doors to open and close, the machine tool doors can prevent splashes or other dangerous substances generated in the production process from injuring operators, hands or other body parts of the operators can be prevented from being mistakenly put into the machine tool, and injuries are avoided.

However, in the above prior art, since the machine tool doors are long, the operator cannot open the machine tool doors on both sides at the same time, and only the machine tool door on one side needs to be pushed in place before the machine tool door on the other side is pushed, which results in long operation time and low efficiency for the machine tool doors.

Disclosure of Invention

The invention provides a built-in long-stroke automatic door structure, which aims to solve the problems that: in the existing long-stroke machine tool, a worker can push the machine tool door on the other side after pushing the machine tool door on one side in place, so that the operation time of the machine tool door is longer, and the efficiency is lower.

In order to achieve the above purpose, the present invention provides the following technical solutions: the built-in long-stroke automatic door structure comprises a fixed plate, wherein two automatic doors are connected onto the fixed plate in a sliding manner, and an automatic opening and closing mechanism is arranged on the fixed plate;

the automatic opening and closing mechanism comprises two linear drivers, the two automatic doors are respectively arranged on the two linear drivers, and the linear drivers are used for driving the automatic doors to open and close; a first travel switch is fixedly arranged on the fixed plate, a touch seat is arranged on the automatic door, and a second travel switch is arranged on one side, close to each other, of the two automatic doors;

the system also comprises a control module;

when the linear driver drives the two automatic doors to open and when the touch seat collides with the contact travel switch, the control module controls the linear driver to stop moving;

when the linear driver drives the two automatic doors to close and when the two travel switches are in collision contact with each other, the control module controls the linear driver to stop moving.

In a preferred embodiment, the output end of the linear driver is fixedly provided with a connecting seat, the automatic door is fixedly provided with an auxiliary seat, the auxiliary seat is in sliding connection with the connecting seat, a locking mechanism is arranged in the connecting seat and used for locking the auxiliary seat on the connecting seat, and the fixed plate is provided with a one-way triggering part which is used for unlocking the auxiliary seat and the connecting seat when the touch seat is about to collide with the contact travel switch.

In a preferred embodiment, the locking mechanism comprises a clamping shaft, the clamping shaft is in sliding connection with the connecting seat, a groove is formed in the inner wall of the connecting seat, the clamping shaft is movably inserted into the auxiliary seat, a second elastic piece is arranged between the clamping shaft and the inner wall of the connecting seat, and the second elastic piece is located in the groove.

In a preferred embodiment, the connecting seat is slidably connected with a trapezoidal sliding seat, a sliding groove is formed in the trapezoidal sliding seat, and the first elastic piece is arranged on the inner walls of the trapezoidal sliding seat and the connecting seat.

In a preferred embodiment, the unidirectional triggering component comprises a fixed seat, the fixed seat is fixedly arranged on the fixed plate, a through hole is formed in the fixed seat, a touch shaft is rotationally connected to the through hole, a limit seat is fixedly connected to the touch shaft, one end of the limit seat is attached to the side wall of one end of the fixed seat, and an elastic piece IV is arranged between the touch shaft and the inner wall of the through hole.

In a preferred embodiment, a negative pressure suction seat is fixedly mounted on the fixing plate, a buffer seat is fixedly connected to the automatic door, a first buffer cushion is fixedly mounted on the buffer seat, a sliding rod is connected to the buffer seat in a sliding mode, a second buffer cushion is fixedly mounted on the sliding rod, and an elastic piece III is arranged between the sliding rod and the inner wall of the buffer seat.

In a preferred embodiment, the top of the connecting seat is fixedly connected with a limiting protrusion, the bottom of the auxiliary seat is provided with a limiting groove, and the limiting protrusion is slidably connected in the limiting groove.

In a preferred embodiment, the two automatic doors are fixedly provided with sealing gaskets on the sides close to each other, and the two sealing gaskets are contacted.

In a preferred embodiment, the fixed plate is fixedly connected with a sliding guide rail, and the automatic door is fixedly provided with an adapting seat which is in sliding connection with the sliding guide rail.

In a preferred embodiment, the bottom end of the clamping shaft is provided with an inclined sliding surface, the inclined sliding surface is in sliding connection with the sliding groove, and the inclined sliding surface is parallel to the contact surface of the sliding groove.

The invention has the beneficial effects that:

1. according to the invention, the linear driver and the travel switch are arranged, and the linear driver is utilized to drive the automatic door, so that the automatic opening and closing of the long-travel automatic door can be realized, and the workload of staff is reduced.

2. According to the invention, the locking mechanism and the one-way triggering part are arranged, and when the automatic door is opened, the one-way triggering part enables the locking mechanism to unlock the auxiliary seat and the connecting seat, so that the automatic door can keep a higher opening speed at the tail end of a stroke, and the opening time of the automatic door is shortened.

3. According to the invention, the negative pressure suction seat, the buffer cushion II and the elastic piece III are arranged, so that the automatic door can be buffered and positioned when being opened, and other components are prevented from being damaged by the impact of the automatic door opening and the impact of the fixed plate.

Drawings

Fig. 1 is a schematic perspective view of a built-in long-stroke automatic door structure according to the present invention.

Fig. 2 is a front view of the built-in long stroke automatic door structure of the present invention.

Fig. 3 is a schematic view of a partial structure of fig. 2 according to the present invention.

Fig. 4 is a schematic view of an automatic door opening state of the present invention.

Fig. 5 is a schematic view of the partial structure of fig. 4 according to the present invention.

FIG. 6 is a schematic cross-sectional view of the view A-A of FIG. 5 according to the present invention.

Fig. 7 is a schematic cross-sectional view of the fixing base.

Fig. 8 is a schematic view of the installation between the single-sided fixing plate and the automatic door.

Fig. 9 is a schematic cross-sectional structure of the cushion seat.

The reference numerals are: 1. a fixing plate; 11. a negative pressure suction seat; 12. a sliding guide rail; 2. an automatic door; 21. an auxiliary seat; 22. a buffer seat; 23. a first buffer cushion; 24. a slide bar; 25. a second cushion pad; 26. an elastic member III; 3. an automatic opening and closing mechanism; 31. a linear driver; 32. a travel switch I; 33. a travel switch II; 34. touching the base; 35. a connecting seat; 351. a groove; 36. a locking mechanism; 361. a trapezoidal slide; 362. a chute; 363. an elastic piece I; 364. a clamping shaft; 365. an elastic piece II; 37. a unidirectional trigger component; 371. a fixing seat; 372. a through hole; 373. touching the shaft; 374. a limit seat; 375. and a fourth elastic piece.

Detailed Description

The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.

Referring to the accompanying drawings of the specification from 1 to 9, a built-in long-stroke automatic door structure comprises a fixed plate 1, wherein two automatic doors 2 are connected to the fixed plate 1 in a sliding manner, and an automatic opening and closing mechanism 3 is arranged on the fixed plate 1; the automatic opening and closing mechanism 3 comprises two linear drivers 31, the two automatic doors 2 are respectively arranged on the two linear drivers 31, and the linear drivers 31 are used for driving the automatic doors 2 to open and close; the fixed plate 1 is fixedly provided with a first travel switch 32, the automatic doors 2 are provided with touch seats 34, and one sides of the two automatic doors 2, which are close to each other, are provided with a second travel switch 33; the system also comprises a control module; when the linear driver 31 drives the two automatic doors 2 to open and when the touch seat 34 collides with the first contact travel switch 32, the control module controls the linear driver 31 to stop moving; when the linear driver 31 drives the two automatic doors 2 to close, and when the two travel switches 33 collide with each other, the control module controls the linear driver 31 to stop moving.

It should be noted that, the two automatic opening and closing mechanisms are arranged, and correspond to the two automatic doors 2 one by one, the linear driver 31 can use a rodless cylinder driving mode, the connecting seat 35 is fixedly arranged on the moving piston of the rodless cylinder, the linear driver 31 can use a lead screw sliding table mode, the connecting seat 35 is fixedly arranged on the sliding table, and the output end of the motor is used for driving the lead screw to rotate; since the speed of the screw slide table driving the automatic door 2 is not as high as the speed of the rodless cylinder driving the automatic door 2, the driving is preferably performed in the form of the rodless cylinder.

The implementation scene is specifically as follows: in the initial state, when the automatic door 2 needs to be opened, the control module is used for starting the two linear drivers 31, the two linear drivers 31 drive the two automatic doors 2 to be far away from each other, the automatic door 2 is opened, when the touch seat 34 is in collision contact with the first travel switch 32, the control module receives a signal of the first travel switch 32, and controls the two linear drivers 31 to stop, and at the moment, the two automatic doors 2 are in a completely opened state; when the automatic door 2 needs to be closed, the control module is used for starting the two linear drivers 31 again, the two linear drivers 31 drive the two automatic doors 2 to be close to each other, the automatic door 2 is closed, and when the two travel switches 33 are in collision contact, the control module receives signals of the travel switches 33 and controls the two linear drivers 31 to be closed again, and at the moment, the two automatic doors 2 are in a completely closed state.

Referring to fig. 2-7 of the accompanying drawings, when the automatic door 2 is opened, since the output end of the linear actuator 31 needs to be decelerated in advance at the end of the travel, but the deceleration will reduce the moving speed of the automatic door 2, in order to enable the automatic door 2 to still have a faster opening speed when the output end of the linear actuator 31 reduces the moving speed, the output end of the linear actuator 31 is fixedly provided with a connecting seat 35, the automatic door 2 is fixedly provided with an auxiliary seat 21, the auxiliary seat 21 is slidingly connected with the connecting seat 35, the connecting seat 35 is internally provided with a locking mechanism 36, the locking mechanism 36 is used for locking the auxiliary seat 21 on the connecting seat 35, the fixed plate 1 is provided with a unidirectional triggering part 37, and the unidirectional triggering part 37 is used for releasing the locking between the auxiliary seat 21 and the connecting seat 35 when the touch seat 34 is about to collide with the first travel switch 32.

Further, the locking mechanism comprises a clamping shaft 364, the clamping shaft 364 is slidably connected with the connecting seat 35, a groove 351 is formed in the inner wall of the connecting seat 35, the clamping shaft 364 is movably inserted into the auxiliary seat 21, a second elastic piece 365 is arranged between the clamping shaft 364 and the inner wall of the connecting seat 35, and the second elastic piece 365 is located in the groove 351.

Further, a trapezoidal sliding seat 361 is slidably connected to the connection seat 35, a sliding groove 362 is formed in the trapezoidal sliding seat 361, and an elastic member 363 is disposed on the inner walls of the trapezoidal sliding seat 361 and the connection seat 35.

Further, the unidirectional triggering component 37 comprises a fixing seat 371, the fixing seat 371 is fixedly mounted on the fixing plate 1, a through hole 372 is formed in the fixing seat 371, a touch shaft 373 is rotationally connected to the through hole 372, a limiting seat 374 is fixedly connected to the touch shaft 373, one end of the limiting seat 374 is attached to the side wall of one end of the fixing seat 371, and an elastic piece four 375 is arranged between the touch shaft 373 and the inner wall of the through hole 372.

It should be noted that, the first elastic member 363 and the second elastic member 365 may be both configured as springs.

Note also that the elastic member four 375 may be provided as a coil spring for resetting the touch shaft 373 after the touch shaft 373 rotates.

In the process of opening the two automatic doors 2, the two automatic doors 2 are far away from each other, before the movement speed of the output end of the linear driver 31 slows down at the end of the stroke of the automatic doors 2, and before the touch seat 34 touches the first travel switch 32, the trapezoidal sliding seat 361 touches the touch shaft 373, the limiting seat 374 limits the rotation of the touch shaft 373, the touch shaft 373 can press the inclined surface of the trapezoidal sliding seat 361 under the action of pressure to enable the trapezoidal sliding seat 361 to slide into the connecting seat 35, the elastic piece one 363 is pressed in the process of moving the connecting seat 35, the clamping shaft 364 slides into the sliding groove 362 under the action of the elastic piece two 365, the locking of the auxiliary seat 21 is released when the clamping shaft 364 is not clamped with the auxiliary seat 21, then the movement speed of the output end of the linear driver 31 slows down, at the moment, the automatic doors 2 can additionally move a distance under the action of inertia, and even at the end of the stroke of the automatic doors 2, the automatic doors 2 have higher opening speed. The auxiliary seat 21 continues to move continuously, after the automatic door 2 is opened, the clamping shaft 364 is clamped with the auxiliary seat 21 again under the action of the elastic force of the elastic member II 365, so that the auxiliary seat 21 is locked, the trapezoidal sliding seat 361 is reset under the action of the elastic force of the elastic member I363, and when the touch seat 34 is in collision contact with the travel switch I32, the linear driver 31 is closed, and the two automatic doors 2 are in an open state.

In the closing process of the two automatic doors 2, the two automatic doors 2 are close to each other, when the trapezoidal sliding seat 361 contacts with the touch shaft 373, the limiting seat 374 does not play a limiting role on the touch shaft 373, at this time, the trapezoidal sliding seat 361 can drive the touch shaft 373 to rotate, the elastic piece IV 375 is deformed in the rotating process of the touch shaft 373, when the trapezoidal sliding seat 361 does not contact with the touch shaft 373, the touch shaft 373 resets under the action of the elastic piece IV 375, in the moving process of the automatic doors 2, when the two travel switches II 33 collide and contact, the linear driver 31 is closed, and the two automatic doors 2 are in a closed state.

Referring to fig. 8 and 9 of the specification, when the automatic door 2 is opened, in order to prevent the first travel switch 32 from being damaged by violent impact of the touch seat 34 on the automatic door 2 on the first travel switch 32, specifically, the fixing plate 1 is fixedly provided with the negative pressure suction seat 11, the automatic door 2 is fixedly connected with the buffer seat 22, the buffer seat 22 is fixedly provided with the buffer cushion first 23, the buffer seat 22 is slidably connected with the slide rod 24, the slide rod 24 is fixedly provided with the buffer cushion second 25, and an elastic member third 26 is arranged between the slide rod 24 and the inner wall of the buffer seat 22.

In the above technical scheme, the vacuum pump is fixedly connected to the negative pressure suction seat 11, and the negative pressure suction seat 11 is provided with a plurality of suction holes, so that negative pressure suction is generated in the negative pressure suction seat 11 by the vacuum pump.

In the above-described solution, the third elastic member 26 may be provided as a spring.

It should be noted that, when the automatic door 2 is opened, the two automatic doors 2 are far away from each other, at the end of the stroke of the automatic door 2, the moving speed of the automatic door 2 is faster due to the inertia effect, the cushion second 25 contacts with the negative pressure suction seat 11 in the moving process, the negative pressure suction seat 11 adsorbs and positions the cushion second 25 under the action of the negative pressure suction force, then the automatic door 2 drives the cushion second 25 to move in the direction of the cushion second 22, and at this time, the third elastic member 26 is pressed to buffer the movement of the cushion second 22.

Referring to fig. 6 of the specification, in order to make the sliding of the auxiliary seat 21 on the connection seat 35 more stable, specifically, the top of the connection seat 35 is fixedly connected with a limiting protrusion, the bottom of the auxiliary seat 21 is provided with a limiting groove, and the limiting protrusion is slidably connected in the limiting groove.

It should be noted that, the limiting protrusion slides in the limiting groove, and plays a role in limiting and guiding the sliding of the auxiliary seat 21.

Referring to fig. 4 of the specification, sealing gaskets are fixedly arranged on one sides of the two automatic doors 2, which are close to each other, and the two sealing gaskets are contacted.

The gasket may buffer the contact between the two automatic doors 2 when the automatic doors 2 are closed.

Referring to fig. 2 of the specification, a sliding guide rail 12 is fixedly connected to a fixed plate 1, and an adapter seat is fixedly mounted on an automatic door 2 and is in sliding connection with the sliding guide rail 12.

The sliding guide 12 and the adapter seat make the automatic door 2 more stable during the movement.

Referring to fig. 6 and 7 of the drawings, the bottom end of the latch shaft 364 is provided with an inclined sliding surface, which is slidably connected to the slide groove 362, and is parallel to the contact surface of the slide groove 362.

The pressing of the trapezoidal slide 361 by the touch shaft 373 is made more stable.

The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims

1. A built-in long stroke automatic door structure, comprising:

the automatic door comprises a fixed plate (1), wherein two automatic doors (2) are connected to the fixed plate (1) in a sliding manner, and an automatic opening and closing mechanism (3) is arranged on the fixed plate (1);

the automatic opening and closing mechanism (3) comprises two linear drivers (31), the two automatic doors (2) are respectively arranged on the two linear drivers (31), and the linear drivers (31) are used for driving the automatic doors (2) to open and close; a first travel switch (32) is fixedly arranged on the fixed plate (1), a touch seat (34) is arranged on the automatic door (2), and a second travel switch (33) is arranged on one side, close to each other, of the two automatic doors (2);

the system also comprises a control module;

when the linear driver (31) drives the two automatic doors (2) to open and when the touch seat (34) collides with the first contact travel switch (32), the control module controls the linear driver (31) to stop moving;

when the linear driver (31) drives the two automatic doors (2) to be closed and when the two travel switches (33) collide with each other, the control module controls the linear driver (31) to stop moving.

2. A built-in long stroke automatic door structure according to claim 1, wherein: the automatic door is characterized in that a connecting seat (35) is fixedly installed at the output end of the linear driver (31), an auxiliary seat (21) is fixedly installed on the automatic door (2), the auxiliary seat (21) is in sliding connection with the connecting seat (35), a locking mechanism (36) is installed in the connecting seat (35), the locking mechanism (36) is used for locking the auxiliary seat (21) on the connecting seat (35), a unidirectional triggering part (37) is installed on the fixed plate (1), and the unidirectional triggering part (37) is used for unlocking the auxiliary seat (21) and the connecting seat (35) when the touch seat (34) is about to collide with the first stroke switch (32).

3. A built-in long stroke automatic door structure according to claim 2, wherein: the locking mechanism comprises a clamping shaft (364), the clamping shaft (364) is in sliding connection with the connecting seat (35), a groove (351) is formed in the inner wall of the connecting seat (35), the clamping shaft (364) is movably inserted into the auxiliary seat (21), an elastic piece II (365) is arranged between the clamping shaft (364) and the inner wall of the connecting seat (35), and the elastic piece II (365) is located in the groove (351).

4. A built-in long stroke automatic door structure according to claim 3, wherein: the connecting seat (35) is connected with a trapezoid sliding seat (361) in a sliding manner, a sliding groove (362) is formed in the trapezoid sliding seat (361), and an elastic piece I (363) is arranged on the inner wall of the trapezoid sliding seat (361) and the inner wall of the connecting seat (35).

5. A built-in long stroke automatic door structure according to claim 2, wherein: the unidirectional trigger part (37) comprises a fixed seat (371), fixed seat (371) fixed mounting is on fixed plate (1), through-hole (372) have been seted up on fixed seat (371), through-hole (372) internal rotation is connected with touch axle (373), fixedly connected with spacing seat (374) on touch axle (373), the one end of spacing seat (374) is laminated with the lateral wall of fixed seat (371) one end, be provided with four elastic component (375) between the inner wall of touch axle (373) and through-hole (372).

6. A built-in long stroke automatic door structure according to claim 1, wherein: the automatic door is characterized in that the negative pressure suction seat (11) is fixedly installed on the fixed plate (1), the buffer seat (22) is fixedly connected to the automatic door (2), the buffer seat (22) is fixedly provided with the buffer pad I (23), the buffer seat (22) is slidably connected with the slide rod (24), the buffer pad II (25) is fixedly installed on the slide rod (24), and the elastic piece III (26) is arranged between the slide rod (24) and the inner wall of the buffer seat (22).

7. A built-in long stroke automatic door structure according to claim 2, wherein: the top fixedly connected with spacing arch of connecting seat (35), spacing groove has been seted up to the bottom of auxiliary seat (21), spacing protruding sliding connection is in spacing inslot.

8. A built-in long stroke automatic door structure according to claim 1, wherein: sealing gaskets are fixedly arranged on one sides, close to each other, of the two automatic doors (2), and the two sealing gaskets are in contact.

9. A built-in long stroke automatic door structure according to claim 1, wherein: the automatic door is characterized in that a sliding guide rail (12) is fixedly connected to the fixed plate (1), an adapter seat is fixedly installed on the automatic door (2), and the adapter seat is in sliding connection with the sliding guide rail (12).

10. The built-in long stroke automatic door structure according to claim 4, wherein: the bottom end of the clamping shaft (364) is provided with an inclined sliding surface which is in sliding connection with the sliding groove (362), and the inclined sliding surface is parallel to the contact surface of the sliding groove (362).