CN216733157U

CN216733157U - Pneumatic walking electric rotating safety bolt

Info

Publication number: CN216733157U
Application number: CN202123058881.7U
Authority: CN
Inventors: 李江波; 王建军; 陈艳红; 王金刚; 王传英
Original assignee: Jier Machine Tool Group Co Ltd
Current assignee: Jier Machine Tool Group Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-14
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a pneumatic walking electric rotating safety bolt, which comprises a cylinder, a cylinder bracket, a guide rod, a linear bearing, a limit switch, a three-position five-way solenoid valve, a support sleeve, a motor reducer, an encoder, a gear, a toothed nut, an adjusting screw rod and a support rod, wherein one end of the cylinder bracket is arranged on a press machine upright post, and the other end of the cylinder bracket is connected with the support sleeve; the air cylinder and the guide rod are both arranged on the air cylinder bracket; compressed air enters the air cylinder through the three-position five-way electromagnetic valve to control the air cylinder to act, and the two guide rods are guided by the linear bearing and drive the support sleeve to act together with the air cylinder; the motor reducer, the gear, the toothed nut, the adjusting screw rod and the supporting rod are all arranged on the supporting sleeve, and the toothed nut is meshed with the shaft end gear of the motor reducer, so that the adjusting screw rod rises or falls, and the quick and automatic adjustment of the height of the safety bolt is realized. The utility model discloses realize the automatic control of safety cock adjusting screw lifting height, improve work efficiency, the material resources of using manpower sparingly.

Description

Pneumatic walking electric rotating safety bolt

Technical Field

The utility model relates to a safety cock suitable for press belongs to press technical field.

Background

The existing safety bolts can be divided into a handheld type, a swing arm type and a hydraulic lifting type according to a carrying mode, and can be divided into a height fixing type and a height adjustable type according to a supporting height. At present, the height-adjustable safety bolt adopts a manual mode, and the height adjustment of the safety bolt is realized by extending or shortening an adjusting screw rod through manually rotating a nut, so that the efficiency is lower.

Disclosure of Invention

The utility model aims to solve the technical problem that to the defect that prior art exists, a pneumatic walking electric rotary safety bolt is provided.

In order to solve the technical problem, the utility model provides a pneumatic walking electric rotating safety bolt, which comprises a cylinder, a cylinder bracket, a guide rod, a linear bearing, a limit switch, a three-position five-way electromagnetic valve, a support sleeve, a motor reducer, a coder, a gear, a toothed nut, an adjusting screw rod and a support rod, wherein one end of the cylinder bracket is arranged on the upright post of a press machine, and the other end of the cylinder bracket is connected with the support sleeve; the air cylinder and the guide rod are both arranged on the air cylinder bracket; compressed air enters the air cylinder through the three-position five-way electromagnetic valve, the air cylinder is controlled to act through the switching of the three-position five-way electromagnetic valve, the two guide rods are guided by the linear bearing and drive the support sleeve to act together with the air cylinder, and the safety bolt is rapidly moved to a support position and rapidly retreats to the upright post of the press machine; the motor speed reducer, the gear, the toothed nut, the adjusting screw rod and the supporting rod are all arranged on the supporting sleeve, the toothed nut is meshed with the gear arranged at the shaft end of the motor speed reducer, and the motor speed reducer drives the gear to rotate, so that the toothed nut is driven to rotate, the adjusting screw rod is enabled to ascend or descend, and the height of the safety plug is rapidly and automatically adjusted.

Two limit switches are installed on the air cylinder bracket and are used for respectively detecting the action state of the air cylinder.

The spring is placed in the semicircular cavity of the supporting sleeve, and the adjusting screw rod, the toothed nut and the supporting rod are jacked up by the spring, so that the lower end of the supporting rod is 10mm away from the table board of the press machine, and the safety bolt is prevented from interfering with the press machine when moving.

And universal balls are arranged below the support sleeve and pressed on a support arranged on an upright post of the press machine so as to balance the weight of the support sleeve.

The guide groove is arranged on the excircle of the adjusting screw rod, and the adjusting screw rod can only ascend and descend but cannot rotate through the guide key.

The motor speed reducer is internally provided with an encoder which monitors the rotating speed of the motor in real time, and the adjustment quantity of the adjusting screw is calculated according to the transmission ratio of the speed reducer and the pitch of the adjusting screw, so that the automatic control of the supporting height is realized.

Has the beneficial effects that: the utility model provides a quick travel targets in place and adopts the motor to replace manual rotatory nut to the safety of the flexible length of automated inspection screw rod is tied and is put. The utility model controls the cylinder through the three-position five-way electromagnetic valve to quickly move the support rod of the safety plug to the support position; the gear and the toothed nut meshed with the gear are driven to rotate through the motor speed reducer, so that the adjusting screw rod is lifted or lowered, and the supporting requirements of different die filling heights can be met. Simultaneously, through encoder real-time supervision motor reducer rotational speed to realize the automatic control of safety cock adjusting screw lifting height, improve work efficiency, use manpower and materials sparingly.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3a is a schematic structural view of the support sleeve 7 of the present invention;

FIG. 3b is a cross-sectional view taken along line A-A of FIG. 3a in accordance with the present invention;

figure 3c is a side view of figure 3b in accordance with the present invention;

fig. 4 is a schematic structural view of the present invention with the motor reducer and gears removed;

FIG. 5 is a schematic top view of the structure of FIG. 4 according to the present invention;

fig. 6 is a schematic diagram of the state after the cylinder is retracted;

fig. 7 is a pneumatic schematic diagram of the present invention.

In the figure: 1. a cylinder; 2. a cylinder support; 3. a guide bar; 4. a linear bearing; 5. a limit switch; 6. a three-position five-way electromagnetic valve, 7 and a support sleeve; 8. a motor reducer; 9. an encoder; 10. a gear; 11. a toothed nut; 12. adjusting the screw rod; 13. a support bar; 14. a guide key; 15. a spring; 16. a ball transfer unit; 17. a support; 18. a press worktable; 19. the press stand.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-7, the utility model provides a pneumatic walking electric rotating safety bolt, which comprises a cylinder 1, a cylinder bracket 2, a guide rod 3, a linear bearing 4, a limit switch 5, a three-position five-way solenoid valve 6, a support sleeve 7, a motor reducer 8, an encoder 9, a gear 10, a toothed nut 11, an adjusting screw 12 and a support rod 13, wherein one end of the cylinder bracket 2 is installed on a vertical column 19 of a press machine and belongs to a fixed end, and the other end is connected with the support sleeve 7; the cylinder 1 and the guide rod 3 are both arranged on the cylinder bracket 2; compressed air enters the cylinder 1 through the three-position five-way electromagnetic valve 6, the cylinder 1 is controlled to move through reversing of the three-position five-way electromagnetic valve 6, the two guide rods 3 are guided by the linear bearing 4 and drive the support sleeve 7 to move together with the cylinder 1, and the safety plug is rapidly moved to a support position and rapidly retreats to the upright 19 of the press machine; the motor speed reducer 8, the gear 10, the toothed nut 11, the adjusting screw 12 and the support rod 13 are all installed on the support sleeve 7, the toothed nut 11 is meshed with the gear 10 installed at the shaft end of the motor speed reducer 8, and the motor speed reducer 8 drives the gear 10 to rotate, so that the toothed nut 11 is driven to rotate, the adjusting screw 12 is driven to ascend or descend, and the safety plug is adjusted in height quickly and automatically.

Two limit switches 5 are installed on the air cylinder support 2 and are used for detecting the action states of the air cylinders respectively.

The spring 15 is placed in the semicircular cavity of the support sleeve 7, the spring 15 jacks the adjusting screw 12, the toothed nut 11 and the support rod 13, the lower end of the support rod 13 is 10mm away from the 18 table-board of the press machine workbench, interference between the safety bolt and the 18 table of the press machine workbench when the safety bolt moves is avoided, and meanwhile the guide rod is prevented from being damaged when the safety bolt is supported.

The support sleeve 7 is provided with a universal ball 16 on the underside, and the universal ball 16 presses on a bracket 17 mounted on a press column 19 to balance the weight of the support sleeve 7.

The outer circle of the adjusting screw 12 is provided with a guide groove, and the adjusting screw 12 can only lift and cannot rotate through a guide key 14.

An encoder 9 is installed in the motor speed reducer 8, the rotating speed of the motor is monitored in real time, and the regulating quantity of the regulating screw 12 is calculated according to the transmission ratio of the speed reducer and the screw pitch of the regulating screw 12; after the safety bolt moves to the supporting position, according to an operation instruction, the motor speed reducer 8 is started to drive the gear 10 and the toothed nut 11 to rotate, so that the adjusting screw 12 ascends or descends, and the automatic control of the supporting height is realized.

The utility model discloses a use method:

when the safety bolt supporting device is used, the three-position five-way electromagnetic valve 6 is controlled to change the direction, compressed air enters the air cylinder 1, the air cylinder 1 moves, the air cylinder 1 drives the guide rod 3 to move together, and the safety bolt supporting part (the adjusting screw 12 and the supporting rod 13) is pushed into a supporting area.

Starting the motor speed reducer 8, rotating the motor speed reducer 8 for a certain number of turns according to a signal fed back by the encoder 9, and adjusting the screw 12 to ascend or descend for a certain distance, thereby completing the rapid height adjustment.

After use, the adjusting screw 12 is lowered to the bottom end according to a preset program instruction, so that interference between the next pushing and the upper supporting point of the press machine is avoided. After the adjusting screw 12 is lowered to the bottom end, the three-position five-way electromagnetic valve 6 is reversed, and compressed air enters the other end of the air cylinder 1 to drive the safety bolt to return to the upright 19 of the press machine.

The utility model controls the cylinder 1 through the three-position five-way electromagnetic valve 6 to drive the supporting part (the adjusting screw 12 and the supporting rod 13) of the safety plug to move to the supporting position quickly; the motor reducer 8 drives the adjusting screw 12 to ascend or descend, so that different supporting height requirements are met; the state and the position of the safety plug are automatically judged through signals fed back by the limit switch 5 and the encoder 9, the safety plug is quickly in place and quickly adjusted, the working efficiency is improved, and manpower and material resources are saved.

The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.

Claims

1. The utility model provides an electronic rotatory safety cock of pneumatic walking which characterized in that: the automatic adjusting device comprises an air cylinder (1), an air cylinder support (2), a guide rod (3), a linear bearing (4), a limit switch (5), a three-position five-way electromagnetic valve (6), a support sleeve (7), a motor speed reducer (8), an encoder (9), a gear (10), a toothed nut (11), an adjusting screw rod (12) and a support rod (13), wherein one end of the air cylinder support (2) is installed on an upright post (19) of a press machine, and the other end of the air cylinder support is connected with the support sleeve (7); the air cylinder (1) and the guide rod (3) are both arranged on the air cylinder bracket (2); compressed air enters the air cylinder (1) through the three-position five-way electromagnetic valve (6), the air cylinder (1) is controlled to move through reversing of the three-position five-way electromagnetic valve (6), the two guide rods (3) are guided by the linear bearing (4) and drive the support sleeve (7) to move together with the air cylinder (1), and the safety plug is rapidly moved to a support position and rapidly retreats to the upright post (19) of the press machine; the motor speed reducer (8), the gear (10), the toothed nut (11), the adjusting screw rod (12) and the support rod (13) are all installed on the support sleeve (7), the toothed nut (11) is meshed with the gear (10) installed at the shaft end of the motor speed reducer (8), and the motor speed reducer (8) drives the gear (10) to rotate, so that the toothed nut (11) is driven to rotate, the adjusting screw rod (12) is made to ascend or descend, and the height of the safety plug is adjusted rapidly and automatically.

2. The pneumatic walking electric rotating safety bar according to claim 1, characterized in that: two limit switches (5) are mounted on the air cylinder bracket (2) and are used for respectively detecting the action states of the air cylinders.

3. The pneumatic walking electric rotary safety bar according to claim 1, characterized in that: the spring (15) is placed in the semicircular cavity of the supporting sleeve (7), the adjusting screw rod (12), the toothed nut (11) and the supporting rod (13) are jacked up by the spring (15), the lower end of the supporting rod (13) is 10mm away from the table top of the press workbench (18), and interference between the safety plug and the press workbench (18) during movement is avoided.

4. The pneumatic walking electric rotary safety bar according to claim 1, characterized in that: the universal ball (16) is arranged below the support sleeve (7), and the universal ball (16) is pressed on a bracket (17) arranged on a vertical column (19) of the press machine so as to balance the weight of the support sleeve (7).

5. The pneumatic walking electric rotary safety bar according to claim 1, characterized in that: the outer circle of the adjusting screw rod (12) is provided with a guide groove, and the adjusting screw rod (12) can only lift but cannot rotate through a guide key (14).

6. Pneumatic walking electric rotary safety bar according to any of claims 1-5, characterized in that: an encoder (9) is installed in the motor speed reducer (8), the rotating speed of the motor is monitored in real time, and the adjusting quantity of the adjusting screw (12) is calculated according to the transmission ratio of the speed reducer and the screw pitch of the adjusting screw (12), so that the automatic control of the supporting height is realized.