CN115351593A - Automatic door system of machine tool and using method thereof - Google Patents

Automatic door system of machine tool and using method thereof Download PDF

Info

Publication number
CN115351593A
CN115351593A CN202211150776.2A CN202211150776A CN115351593A CN 115351593 A CN115351593 A CN 115351593A CN 202211150776 A CN202211150776 A CN 202211150776A CN 115351593 A CN115351593 A CN 115351593A
Authority
CN
China
Prior art keywords
door
machine tool
wheel
unloading wheel
tensioning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211150776.2A
Other languages
Chinese (zh)
Inventor
徐永利
刘妍
盖立亚
徐凤亮
杨祥东
王显春
张猛
李巍庆
刘强
李志丹
郝旭
费拓
张靖威
杨春侬
桑会庆
马春雨
陈征
焦凯
李瑞杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Unis Intelligent Equipment Co ltd
Original Assignee
Shenyang Unis Intelligent Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Unis Intelligent Equipment Co ltd filed Critical Shenyang Unis Intelligent Equipment Co ltd
Priority to CN202211150776.2A priority Critical patent/CN115351593A/en
Publication of CN115351593A publication Critical patent/CN115351593A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/08Protective coverings for parts of machine tools; Splash guards
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0078Safety devices protecting the operator, e.g. against accident or noise
    • B23Q11/0089Safety devices protecting the operator, e.g. against accident or noise actuating operator protecting means, e.g. closing a cover element, producing an alarm signal

Abstract

The invention belongs to the technical field of machine tool functional parts, and provides a machine tool automatic door system and a using method thereof. The system adopts a transmission mode of a synchronous toothed belt and a servo motor, and has high response speed and accurate positioning precision.

Description

Automatic door system of machine tool and using method thereof
Technical Field
The invention relates to the technical field of machine tool functional parts, in particular to an automatic door system of a machine tool and a using method thereof.
Background
Although the traditional automatic door of the machine tool realized by the transmission of the air cylinder or the hydraulic cylinder can basically meet the requirement of automatic production, the pneumatic and hydraulic automatic door has low response speed, delays production rhythm, has low safety factor and even has the condition of death caused by clamping injury of operators.
Disclosure of Invention
The invention provides a machine tool automatic door system and a using method thereof, the system adopts a transmission mode of a synchronous cog belt and a servo motor, the response speed is high, the positioning precision is accurate, belt transmission is formed between a tension device and an overload protection device, a support structure arranged at the top of the machine tool protective door is fixedly connected with the synchronous cog belt, the opening and closing of the machine tool protective door are controlled, and the quick response, safe and reliable automatic door opening and closing are realized.
In order to achieve the purpose, the invention adopts the technical scheme that: a machine tool automatic door system comprises a machine tool protection room, a machine tool protection door is arranged in the middle of the machine tool protection room, a tensioning device and an overload protection device are arranged at the top of the machine tool protection room, the tensioning device and the overload protection device are respectively located on two sides of the machine tool protection door and are connected through a synchronous cog belt, a servo motor drives the synchronous cog belt to do transmission motion along the tensioning device and the overload protection device, a supporting structure is fixedly connected to the upper end face of the machine tool protection door, and the supporting structure is meshed with the synchronous cog belt and fixed.
The supporting structure is a toothed belt supporting frame and consists of a bracket body and a toothed pressing plate, the toothed pressing plate is arranged on the surface of the bracket body, the distance between the bracket body and the toothed pressing plate is adjustable, the synchronous toothed belt is positioned between the bracket body and the toothed pressing plate, the tooth-shaped parameters of the toothed pressing plate are the same as those of the synchronous toothed belt, and the position of the synchronous toothed belt is fixed.
The tensioning device comprises a base, a tensioning block is connected to the upper end face of the base in a sliding mode, a U-shaped through groove and a tensioning wheel are arranged on the upper end face of the tensioning block, a bolt penetrates through the U-shaped through groove to be fixed to the base, the tensioning wheel is fixed to the tensioning block through a wheel shaft and rotates around the wheel shaft, the tensioning wheel is meshed with a synchronous toothed belt, a tensioning bolt is in threaded connection with the side surface of the base, the end face of the tensioning bolt is attached to the side surface of the tensioning block, a locking nut is sleeved on the outer circumference of the tensioning bolt, and the tensioning bolt pushes the tensioning block in the axial direction.
The overload protection device comprises a cavity shell, the shell is connected with a support, a rectangular opening is formed in the surface of the shell, an upper belt wheel and a lower belt wheel are respectively arranged on the upper end face and the lower end face of the shell, a transmission shaft is coaxially connected in the shell, the upper end of the transmission shaft is fixed with the upper belt wheel, a bearing is sleeved on the outer circumference of the transmission shaft, the lower end of the transmission shaft is connected with an unloading wheel set, a guide structure is arranged between the two, the lower end of the unloading wheel set is connected with a gland, and the gland is fixedly connected to the lower end face of the shell.
The unloading wheel set comprises an upper unloading wheel and a lower unloading wheel, the tooth form inclination angles of the upper unloading wheel and the lower unloading wheel are both 15 degrees, the tooth form surfaces of the upper unloading wheel and the lower unloading wheel are meshed during operation, and the upper unloading wheel and the lower unloading wheel are separated during overload.
The guide structure is as follows: the outer circumference of the transmission shaft is sleeved with a guide key, the guide key is positioned between the upper unloading wheel and the transmission shaft, the transmission shaft is fixed on the upper bearing inner ring through a shaft retainer ring and a round nut, the inner side wall of the upper part of the upper unloading wheel is provided with a rectangular guide groove, the guide key is positioned in the rectangular guide groove, the outer circumference of the transmission shaft is sleeved with a pressure regulating nut and a pressure spring, the pressure regulating nut is in threaded connection with the transmission shaft and moves along the axial direction of the transmission shaft, the lower part of the pressure regulating nut is attached to the upper end of the pressure spring, and the lower end of the pressure spring is attached to the upper end face of the upper unloading wheel.
The lower part of the wheel shaft of the lower unloading wheel is fixed with the lower belt wheel, a bearing is sleeved on the outer circumference of the wheel shaft of the lower unloading wheel, the lower unloading wheel is fixed on the corresponding inner ring of the bearing through an inner spacer sleeve and a round nut, and the outer ring of the bearing is attached to the gland.
And limit switches are arranged on the machine tool protection room and the machine tool protection door.
The use method of the automatic door system of the machine tool comprises the following steps:
1, installation and debugging:
1.1: installing a tensioning device, an overload protection device and a servo motor at the top of a machine tool protection room, installing a toothed belt support frame at the top of a machine tool protection door, fixing a limit switch at a corresponding position, and placing a synchronous toothed belt at a belt wheel of each device;
1.2, rotating the tensioning bolt, tensioning the synchronous cog belt to a proper pressure, and sequentially rotating the tensioning block and the locking nut;
1.3, the synchronous cog belt penetrates through the cog pressing plate to be buckled with the middle of the supporting frame, and then a bolt is screwed;
1.4, testing door closing resistance by using a chest expander, rotating a pressure regulating nut, setting overload resistance as about 120-150% of door closing resistance, and determining a safety coefficient according to different machine tool protective door forms;
1.5 wiring of numerical control system, I/O module and other external devices.
2. Powering on for use;
2.1 when the door is electrified for use for the first time, the system controls the protective door to automatically return to the zero maximum opening position, the limit switch receives the contact signal and feeds back the system to automatically record the zero position, and after the system is suspended for a second, the system controls the protective door to automatically return to the end point and completely close the position, and the limit switch receives the contact signal and feeds back the system to automatically record the end point position and the door width;
2.2 when the system is formally operated, inputting a numerical control program into the numerical control system, identifying a signal through the I/O module and controlling the servo motor to act to open and close the protective door;
2.3 when the system receives a door closing instruction, if foreign matters appear at the door opening to block the door closing action when the protective door performs the door closing action, and meanwhile, the system automatically sends out a door opening instruction when detecting that the current of the servo motor exceeds the door closing current percent, the protective door automatically returns to zero and triggers a machine tool tri-color lamp to alarm, and the steps are returned to be continuously performed after the alarm is relieved;
2.4 when the system receives a door closing instruction, if foreign matters appear at the door opening to block the door closing action when the protective door executes the door closing action, and meanwhile, the system protection fails, and the protective door does not return to zero according to the steps; when the clamping force of the protective door exceeds the door closing resistance percent, the overload protection device is triggered, the upper unloading wheel and the lower unloading wheel are separated from idling, the alarm is sounded, and the steps are executed again after the alarm is relieved.
The invention has the following beneficial effects: the top of the machine tool protection room is provided with a tensioning device and an overload protection device, a synchronous cog belt is arranged between the tensioning device and the overload protection device, a support structure is arranged on the protection door, the support structure is fixed with the synchronous cog belt, the movement is transmitted to the support structure along with the transmission of the synchronous cog belt, and the support structure opens or closes the door along with the movement of the synchronous cog belt.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an isometric view of a toothed belt support of the present invention.
Figure 3 is an isometric view of the tensioner of the present invention.
Fig. 4 is an external view of the overload protection apparatus of the present invention.
Fig. 5 is a cross-sectional view of an overload protection apparatus of the present invention.
Fig. 6 is a schematic view of the distribution of the support body on the timing belt.
FIG. 7 is a flow chart of the present invention.
The device comprises a 1-toothed belt support frame, a 1.1-toothed pressing plate, a 1.2-support body, a 2-machine tool protective door, a 3-limit switch, a 4-synchronous toothed belt, a 5-tensioning device, a 5.1-base, a 5.2-tensioning bolt, a 5.3-locking nut, a 5.4-tensioning wheel, a 5.5-tensioning block, a 5.6-U-shaped through groove, a 6-overload protection device, a 6.1-upper belt pulley, a 6.2-shell, a 6.3-upper unloading wheel, a 6.4-lower unloading wheel, a 6.5-support, a 6.6-gland, a 6.7-lower belt pulley, a 6.8-round nut, a 6.9-shaft check ring, a 6.10-pressure regulating nut, a 6.11-pressure spring, a 6.12-guide key, a 6.13-transmission shaft, a 6.14-bearing, a 6.15-rectangular sleeve, a 6.16-rectangular opening, a 6.17-rectangular guide groove, a 7-servo motor and an 8-inner separation of a machine tool.
Detailed Description
As shown in fig. 1, the automatic door system of the machine tool comprises a machine tool protection room 8, a machine tool protection door 2 is arranged in the middle of the machine tool protection room 8, a tensioning device 5 and an overload protection device 6 are arranged at the top of the machine tool protection room 8, the tensioning device 5 and the overload protection device 6 are respectively located on two sides of the machine tool protection door 2 and are connected through a synchronous toothed belt 4, a servo motor 7 drives the synchronous toothed belt 4 to move in a transmission mode along the tensioning device 5 and the overload protection device 6, a toothed belt support frame 1 is fixedly connected to the upper end face of the machine tool protection door 2, the synchronous toothed belt 4 is fixedly connected with the toothed belt support frame 1, and limit switches 3 are installed on the machine tool protection room 8 and the machine tool protection door 2. When the machine tool protective door 2 is one, one toothed belt support frame 1 can be arranged on any one of the synchronous toothed belts 4, and the machine tool protective door 2 is opened or closed along with the movement of the synchronous toothed belt 4; when the machine tool protective door 2 is opened from opposite directions, the top of each machine tool protective door 2 is provided with a toothed belt support frame 1, the two toothed belt support frames 1 are respectively fixed on two edges of the same synchronous toothed belt 4, the synchronous toothed belt 4 is assumed to be in clockwise transmission, the toothed belt support frame 1 positioned at the top of the left protective door 2 is fixed with the synchronous toothed belt 4 far away from one side of the protective door 2, the protective door 2 is driven to be opened towards the left side, the toothed belt support frame 1 positioned at the top of the right protective door 2 is fixed with the synchronous toothed belt 4 close to one side of the protective door 2, and the protective door 2 is driven to be opened towards the right side.
The toothed belt supporting frame 1 comprises a supporting frame body 1.2, a toothed pressing plate 1.1 is arranged on the surface of the supporting frame body 1.2, a synchronous toothed belt 4 is located between the supporting frame body 1.2 and the toothed pressing plate 1.1, the toothed parameters of the toothed pressing plate 1.1 are the same as those of the synchronous toothed belt 4, and bolts penetrate through the mounting surfaces of the toothed pressing plate 1.1 and the supporting frame body 1.2 to fix the position of the synchronous toothed belt 4. Along with the transmission of the synchronous toothed belt 4, the bracket body 1.2 is driven to apply push-pull force to the fixed machine tool protective door 2, and the machine tool protective door is opened or closed.
Overspeed device tensioner 5 include base 5.1, base 5.1 up end sliding connection has tensioning block 5.5, tensioning block 5.5 longitudinal section is the notch cuttype, be equipped with U type through groove 5.6 on the lower terminal surface, bolt 5.7 passes U type through groove 5.6 and base 5.1 is fixed, be provided with take-up pulley 5.4 on the higher terminal surface, take-up pulley 5.4 and synchronous profile of tooth area 4 meshing, it is fixed and rotatory around the shaft to pass through shaft and tensioning block 5.5, base 5.1 side surface is opened threaded hole, tensioning bolt 5.2 runs through threaded hole and 5.5 side surface laminating of tensioning block, the outer circumference cover of tensioning bolt 5.2 is equipped with lock nut 5.3, tensioning bolt 5.2 promotes tensioning block 5.5 along axial direction.
Overload protection device 6 include casing 6.2, casing 6.2 is connected with support 6.5 through the bolt, casing 6.2 is cylindrical cavity structure, casing 6.2 surface is equipped with rectangle opening 6.16, makes things convenient for the internals installation and debugging, terminal surface is equipped with band pulley 6.1 and band pulley 6.7 down respectively about casing 6.2, goes up band pulley 6.1 and synchronous cog belt 4 meshing, lower band pulley 6.7 is connected with motor drive wheel belt.
A transmission shaft 6.13 is coaxially connected in the shell 6.2, the upper end of the transmission shaft 6.13 is fixed with an upper belt wheel 6.1, the transmission shaft 6.13 passes through a bearing 6.14 above and is connected with an upper unloading wheel 6.3, a guide key 6.12 is sleeved on the outer circumference of the transmission shaft 6.13, the guide key 6.12 is positioned between the upper unloading wheel 6.3 and the transmission shaft 6.13, the transmission shaft 6.1 is fixed on the inner ring of the upper bearing 6.14 through a shaft check ring 6.9 and a round nut 6.8, the inner side wall of the upper part of the upper unloading wheel 6.3 is provided with a rectangular guide groove 6.17, the guide key 6.12 is positioned in the rectangular guide groove 6.17 and can linearly displace along the guide groove, a pressure regulating nut 6.10 and a pressure spring 6.11 are sleeved on the outer circumference of the transmission shaft 6.13, the pressure regulating nut 6.10 is in threaded connection with the transmission shaft 6.13 and axially moves along the transmission shaft, the lower part of the pressure regulating nut 6.10 is attached to the upper end of the pressure spring 6.11, and the lower end of the pressure spring 6.11 is attached to the upper end surface of the upper unloading wheel 6.3. The pressure regulating nut 6.10 is rotated to move up and down to control the pressure spring 6.11 to relax, different pressures are applied to the upper unloading wheel 6.3 at the same time, and the tooth-shaped surface at the lower end of the upper unloading wheel 6.3 is meshed with the tooth-shaped surface at the upper end of the lower unloading wheel 6.4.
The lower unloading wheel 6.4 is fixed with the lower belt wheel 6.7, the wheel shaft passes through the lower bearing 6.14 and the inner spacer 6.15 and is fixed on the lower inner ring of the bearing 6.14 through a shaft shoulder and a round nut 6.8, and the lower outer ring of the bearing 6.14 is attached to the gland 6.6 and fixed on the bottom of the shell 6.2 through a bolt.
The tooth-shaped inclination angles of the upper unloading wheel 6.3 and the lower unloading wheel 6.4 are both 15 degrees, the tooth-shaped surfaces of the upper unloading wheel 6.3 and the lower unloading wheel 6.4 are meshed during running, and the upper unloading wheel 6.3 and the lower unloading wheel 6.4 are separated during overload.
The automatic door system of the machine tool and the using method thereof are characterized by comprising the following steps:
1, installation and debugging:
1.1 As shown in FIG. 1: and installing the tensioning device 5, the overload protection device 6 and the servo motor 7 at the top of the machine tool protection room 8. The toothed belt supporting frame 1 is arranged at the top of a machine tool protective door 2, a limit switch 3 is fixed at a corresponding position, and a synchronous toothed belt 4 is placed at a belt wheel of each device;
1.2 as shown in FIG. 3: rotating the tensioning bolt 5.2, tensioning the synchronous cog belt 4 to a proper pressure, and sequentially rotating the tensioning block 5.5 and the locking nut 5.3;
1.3 as shown in FIG. 2: the synchronous toothed belt 4 penetrates through the toothed pressing plate 1.1 to be buckled with the middle of the supporting frame 1.2, and then bolts are screwed;
1.4 as shown in fig. 4 and 5: testing door closing resistance by using a chest expander, rotating a pressure regulating nut 6.10, setting overload resistance as about 120-150% of door closing resistance, and determining a safety coefficient according to different machine tool protective door forms;
1.5 wiring of numerical control system, I/O module and other external devices.
2, powering on for use;
2.1 as shown in FIG. 6: when the door is used for the first time, the system controls the protective door 2 to automatically return to the zero maximum opening position, the limit switch 3 receives the contact signal, the feedback system automatically records the zero position, and the limit switch 3 stops for 2 seconds, then the system controls the protective door 2 to automatically return to the end point, the complete closing position and the limit switch receives the contact signal, the feedback system automatically records the end point position and the door width;
2.2 when the protective door is formally operated, inputting a numerical control program into the numerical control system, identifying a signal through the I/O module and controlling the servo motor 7 to act to open and close the protective door 2;
2.3 when the system receives a door closing instruction, if foreign matters exist at the doorway to block the door closing action when the protective door 2 executes the door closing action, and meanwhile, the system automatically sends out a door opening instruction when detecting that the current of the servo motor 7 exceeds 110% of the door closing current, the protective door 2 automatically returns to zero and triggers a machine tool three-color lamp to alarm, and the system returns to the step 2.2 to continue executing after the alarm is released;
2.4 when the system receives the instruction of closing the door, if the foreign matter appears in the gate and obstructs the action of closing the door when the protection door 2 carries out the action of closing the door, the system protection is invalid simultaneously, and the protection door 2 does not return to zero according to step 2.3. When the clamping force of the protective door 2 exceeds 120% of the door closing resistance, the overload protection device 6 is triggered, as shown in fig. 4 and 5: the upper unloading wheel 6.3 and the lower unloading wheel 6.4 are disengaged from idling, the alarming is sounded, and the step 2.1 is executed again after the alarming is relieved.

Claims (9)

1. Lathe automatically-controlled door system, including (8) between the lathe protection, lathe protection (8) intermediate position is provided with lathe protection door (2), its characterized in that: the top of the machine tool protection room (8) is provided with a tensioning device (5) and an overload protection device (6), the tensioning device (5) and the overload protection device (6) are respectively located on two sides of the machine tool protection door (2) and are connected through a synchronous toothed belt (4), a servo motor (7) drives the synchronous toothed belt (4) to move in a transmission mode along the tensioning device (5) and the overload protection device (6), a supporting structure is fixedly connected to the upper end face of the machine tool protection door (2), and the supporting structure is meshed and fixed with the synchronous toothed belt (4).
2. The machine tool automatic door system of claim 1, wherein: the supporting structure is a toothed belt supporting frame (1) and comprises a supporting frame body (1.2) and a toothed pressing plate (1.1), the toothed pressing plate (1.1) is arranged on the surface of the supporting frame body (1.2), the distance between the supporting frame body and the toothed pressing plate is adjustable, the synchronous toothed belt (4) is located between the supporting frame body (1.2) and the toothed pressing plate (1.1), the tooth-shaped parameters of the toothed pressing plate (1.1) are the same as those of the synchronous toothed belt (4), and the synchronous toothed belt (4) is fixed in position.
3. The machine tool automatic door system according to claim (1), wherein: overspeed device tensioner (5) including base (5.1), base (5.1) up end sliding connection has tensioning block (5.5), be provided with U type through groove (5.6) and take-up pulley (5.4) on tensioning block (5.5) the up end, bolt (5.7) pass U type through groove (5.6) and are fixed with base (5.1), take-up pulley (5.4) are fixed and are wound the wheel axle rotation through shaft and tensioning block (5.5), take-up pulley (5.4) and synchronous profile of tooth area (4) meshing, base (5.1) side surface threaded connection has tensioning bolt (5.2), tensioning bolt (5.2) terminal surface and tensioning block (5.5) side surface laminating, tensioning bolt (5.2) outer circumference cover is equipped with lock nut (5.3), tensioning bolt (5.2) promote tensioning block (5.5) along axial direction.
4. The machine tool automatic door system of claim 1, wherein: the overload protection device (6) comprises a cavity shell (6.2), the shell (6.2) is connected with a support (6.5), a rectangular opening (6.16) is formed in the surface of the shell (6.2), an upper belt wheel (6.1) and a lower belt wheel (6.7) are respectively arranged on the upper end face and the lower end face of the shell (6.2), a transmission shaft (6.13) is coaxially connected in the shell (6.2), the upper end of the transmission shaft (6.13) is fixed with the upper belt wheel (6.1), a bearing (6.14) is sleeved on the outer circumference of the transmission shaft (6.13), the lower end of the transmission shaft (6.13) is connected with an unloading wheel set, a guide structure is arranged between the upper end face and the lower end face, a gland (6.6) is connected to the lower end of the unloading wheel set, and the gland (6.6) is fixedly connected to the lower end face of the shell (6.2).
5. The machine tool automatic door system of claim 4, wherein: the unloading wheel set comprises an upper unloading wheel (6.3) and a lower unloading wheel (6.4), the tooth form inclination angles of the upper unloading wheel (6.3) and the lower unloading wheel (6.4) are both 15 degrees, the tooth form surfaces of the upper unloading wheel (6.3) and the lower unloading wheel (6.4) are meshed when the unloading wheel set is in operation, and the upper unloading wheel (6.3) and the lower unloading wheel (6.4) are separated when the unloading wheel set is overloaded.
6. The machine tool automatic door system of claim 5, wherein: the guide structure is as follows: the outer circumference of the transmission shaft (6.13) is sleeved with a guide key (6.12), the guide key (6.12) is positioned between the upper unloading wheel (6.3) and the transmission shaft (6.13), the transmission shaft (6.1) is fixed on the inner ring of a bearing (6.14) above through a retaining ring (6.9) for the shaft and a round nut (6.8), the inner side wall of the upper part of the upper unloading wheel (6.3) is provided with a rectangular guide groove (6.17), the guide key (6.12) is positioned in the rectangular guide groove (6.17), the outer circumference of the transmission shaft (6.13) is sleeved with a pressure regulating nut (6.10) and a pressure spring (6.11), the pressure regulating nut (6.10) is in threaded connection with the transmission shaft (6.13) and moves along the axial direction of the transmission shaft, the lower part of the pressure regulating nut (6.10) is attached to the upper end of the pressure spring (6.11), and the lower end of the pressure spring (6.11) is attached to the upper end face of the upper unloading wheel (6.3).
7. The machine tool automatic door system of claim 5, wherein: the lower part of the wheel shaft of the lower unloading wheel (6.4) is fixed with the lower belt wheel (6.7), the outer circumference of the wheel shaft of the lower unloading wheel (6.4) is sleeved with a bearing (6.14), the lower unloading wheel (6.4) is fixed on the inner ring of the corresponding bearing (6.14) through an inner spacer sleeve (6.15) and a round nut (6.8), and the outer ring of the bearing (6.14) is attached to the gland (6.6).
8. The machine tool automatic door system of claim 1, wherein: and the machine tool protection room (8) and the machine tool protection door (2) are provided with limit switches (3).
9. The method of using a machine tool automatic door system of claim 7, comprising the steps of:
1, installation and debugging:
1.1: installing a tensioning device (5), an overload protection device (6) and a servo motor (7) at the top of a machine tool protection room (8), installing a toothed belt support frame (1) at the top of a machine tool protection door (2), fixing a limit switch (3) at a corresponding position, and placing a synchronous toothed belt (4) at a belt wheel of each device;
1.2, rotating a tensioning bolt (5.2), tensioning a synchronous cog belt (4) to a proper pressure, and sequentially rotating a tensioning block (5.5) and a locking nut (5.3);
1.3, the synchronous toothed belt (4) passes through the toothed pressing plate (1.1) to be buckled with the middle of the supporting frame (1.2) and then a bolt is screwed;
1.4, testing door closing resistance by using a chest expander, rotating a pressure regulating nut (6.10), and setting overload resistance to be about 120-150% of door closing resistance to determine a safety coefficient according to different machine tool protective door forms;
1.5 wiring of numerical control system, I/O module and other external devices.
2. Powering on for use;
2.1 when the electric door is powered on for the first time for use, the system controls the protective door (2) to automatically return to the zero maximum opening position, the limit switch (3) receives a contact signal and feeds back the system to automatically record the zero position, and after the electric door is suspended for (2) seconds, the system controls the protective door (2) to automatically return to the end point and completely close the position, and the limit switch (3) receives a contact signal and feeds back the system to automatically record the end point position and the door width;
2.2 when the protective door is formally operated, inputting a numerical control program into the numerical control system, identifying a signal through the I/O module, and controlling the servo motor (7) to act to open and close the protective door (2);
2.3 when the system receives a door closing instruction, if foreign matters exist at the door opening to block the door closing action when the protective door (2) executes the door closing action, and meanwhile, the system automatically sends out a door opening instruction when detecting that the current of the servo motor (7) exceeds (110)% of the door closing current, the protective door (2) automatically returns to zero and triggers a three-color lamp of a machine tool to alarm, and the step (2.2) is returned to continue to execute after the alarm is relieved;
2.4 when the system receives a door closing instruction, if foreign matters exist at the door opening to block the door closing action when the protective door (2) executes the door closing action, and meanwhile, the system protection fails, and the protective door (2) does not return to zero according to the step (2.3); when the clamping force of the protective door (2) exceeds (120)% of the door closing resistance, the overload protection device (6) is triggered, the upper unloading wheel (6.3) and the lower unloading wheel (6.4) are separated from idling, the alarm is sounded, and the step (2.1) is returned to be executed again after the alarm is relieved.
CN202211150776.2A 2022-09-21 2022-09-21 Automatic door system of machine tool and using method thereof Pending CN115351593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211150776.2A CN115351593A (en) 2022-09-21 2022-09-21 Automatic door system of machine tool and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211150776.2A CN115351593A (en) 2022-09-21 2022-09-21 Automatic door system of machine tool and using method thereof

Publications (1)

Publication Number Publication Date
CN115351593A true CN115351593A (en) 2022-11-18

Family

ID=84006107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211150776.2A Pending CN115351593A (en) 2022-09-21 2022-09-21 Automatic door system of machine tool and using method thereof

Country Status (1)

Country Link
CN (1) CN115351593A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008291571A (en) * 2007-05-28 2008-12-04 Nobuyuki Tsuboi Controller for automatic door device
CN202808018U (en) * 2012-09-14 2013-03-20 北京强度环境研究所 Large-sheet financial product transmission control device
CN105569562A (en) * 2016-02-25 2016-05-11 西南石油大学 Torque overload protection tool
CN206942462U (en) * 2017-06-28 2018-01-30 沈阳晟博瑞机电设备有限公司 A kind of automatic door device that can automatically control Digit Control Machine Tool protection door switch
CN208231417U (en) * 2018-05-29 2018-12-14 格劳博机床(大连)有限公司 A kind of lathe automatically-controlled door of synchronous toothed belt driving
CN109160280A (en) * 2018-11-06 2019-01-08 大江南电子科技(昆山)有限公司 The transverse-moving mechanism of vacuum cap type plate putting machine
CN209620998U (en) * 2019-02-20 2019-11-12 成都御鑫电子科技有限公司 A kind of triple axle automatically-controlled door driving protection device
US20200038895A1 (en) * 2018-07-31 2020-02-06 Citic Dicastal Co., Ltd Wheel bolt hole protection plug placing device
DE102019105643A1 (en) * 2019-03-06 2020-09-10 MTH GbR (vertretungsber. Gesellschafter Markus Hiestand und Thomas Hiestand, 88630 Pfullendorf) Clamping device
CN212899580U (en) * 2020-07-30 2021-04-06 湖北荆安汽车零部件有限公司 Hold-in range elasticity adjusting device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008291571A (en) * 2007-05-28 2008-12-04 Nobuyuki Tsuboi Controller for automatic door device
CN202808018U (en) * 2012-09-14 2013-03-20 北京强度环境研究所 Large-sheet financial product transmission control device
CN105569562A (en) * 2016-02-25 2016-05-11 西南石油大学 Torque overload protection tool
CN206942462U (en) * 2017-06-28 2018-01-30 沈阳晟博瑞机电设备有限公司 A kind of automatic door device that can automatically control Digit Control Machine Tool protection door switch
CN208231417U (en) * 2018-05-29 2018-12-14 格劳博机床(大连)有限公司 A kind of lathe automatically-controlled door of synchronous toothed belt driving
US20200038895A1 (en) * 2018-07-31 2020-02-06 Citic Dicastal Co., Ltd Wheel bolt hole protection plug placing device
CN109160280A (en) * 2018-11-06 2019-01-08 大江南电子科技(昆山)有限公司 The transverse-moving mechanism of vacuum cap type plate putting machine
CN209620998U (en) * 2019-02-20 2019-11-12 成都御鑫电子科技有限公司 A kind of triple axle automatically-controlled door driving protection device
DE102019105643A1 (en) * 2019-03-06 2020-09-10 MTH GbR (vertretungsber. Gesellschafter Markus Hiestand und Thomas Hiestand, 88630 Pfullendorf) Clamping device
CN212899580U (en) * 2020-07-30 2021-04-06 湖北荆安汽车零部件有限公司 Hold-in range elasticity adjusting device

Similar Documents

Publication Publication Date Title
CN106677658A (en) Electric double open inner swing door
CN108286433B (en) Shield tunnel detection mechanism and using method thereof
CN115351593A (en) Automatic door system of machine tool and using method thereof
CN109538057A (en) Wicket headstock gear and storage concrete curing system
US4185504A (en) Apparatus for measuring the pre-tension of a threaded bolt
CN218546039U (en) Commercial car intermediate axle main reducer shell pressure testing detects frock
CN111272440A (en) Sliding door durability test equipment and test method
CN107150220A (en) A kind of constant velocity driving shaft movable joint assembly machine
CN208945935U (en) A kind of transmission device of crankshaft grinding machine
CN211993598U (en) Rope saw capable of timely adjusting rope saw
CN111702472A (en) Lifting type wire slot maintenance platform for subway maintenance
CN114017237B (en) Guide vane sensor base
CN214243393U (en) Screw nut type elevator door motor transmission device
CN219657066U (en) Bolt torque detection equipment
CN201124560Y (en) Automatic safe door device of injection molding machine
KR900008001Y1 (en) Door device
CN110487238B (en) Screw thread verticality detection device for spin-on filter
CN110405556A (en) A kind of shop front arrangement for grinding and its working method for closed guard gate's production
CN214090021U (en) Foundation tubular pile pressure test detection device
CN109108824A (en) A kind of transmission device of crankshaft grinding machine
CN213483731U (en) Cover opening mechanism
JPS5820624Y2 (en) Safety device in automatic elevator door system
CN220336715U (en) Electric trackless push-pull device
CN217878601U (en) Concrete compressive strength detection device
CN217992404U (en) Screwing device with pressure detection function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination