CN108080662B - emergency brake device for vertical lathe workbench - Google Patents
emergency brake device for vertical lathe workbench Download PDFInfo
- Publication number
- CN108080662B CN108080662B CN201711400723.0A CN201711400723A CN108080662B CN 108080662 B CN108080662 B CN 108080662B CN 201711400723 A CN201711400723 A CN 201711400723A CN 108080662 B CN108080662 B CN 108080662B
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- clamping plate
- workbench
- hydraulic cylinder
- cylinder body
- lower clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/04—Safety guards specially designed for turning machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an emergency braking device for a vertical lathe workbench, and belongs to the technical field of machine tool equipment. The invention aims to solve the problem that a workbench and a workpiece cannot be quickly stopped rotating when a machine tool is suddenly powered off in the conventional vertical lathe. The emergency braking device for the vertical lathe workbench comprises a brake disc arranged on the outer edge of the bottom of the workbench, a support is provided with a machine body, an upper clamping plate and a lower clamping plate are connected with the machine body through pin shafts, and the lower clamping plate is provided with an adjustable screw; the upper clamping plate is provided with a hydraulic cylinder body, and a piston rod is arranged in the hydraulic cylinder body; when the power is not on, the piston rod moves downwards to be in contact with the adjustable screw rod; the upper clamping plate and the lower clamping plate are provided with a spiral spring in a connecting way near the machine body. When the power failure happens suddenly to the machine tool, the rotation of the workbench and the workpiece is stopped quickly, accidents such as grinding of a guide rail of the workbench are prevented, the service life of the workbench is guaranteed, and the workbench has wide application space and prospect.
Description
Technical Field
the invention relates to an emergency braking device for a vertical lathe workbench, and belongs to the technical field of machine tool equipment.
Background
At present, most of workbench guide rails of a plurality of vertical lathes, particularly heavy vertical lathes, are static pressure guide rails, when a machine tool normally works, a static pressure oil film is formed between the workbench and a base, the oil film rigidly supports the workbench and a workpiece to be separated from the base, if electrical faults such as sudden power failure of the machine tool occur, parts such as a main motor, a hydraulic oil pump and the like stop working, the rotary workbench and the workpiece continue to rotate under the action of inertia, the static pressure oil film between the workbench and the base gradually disappears, and if the rotary motion of the workbench and the workpiece is not stopped before the static pressure oil film between the workbench and the base disappears, serious consequences of damage to the workbench guide rails are caused, and even greater danger is generated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an emergency braking device for a vertical lathe workbench, which solves the problem that the workbench and a workpiece cannot be quickly stopped rotating when the conventional vertical lathe has electrical faults such as sudden power failure of a machine tool and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: an emergency braking device for a vertical lathe workbench comprises a brake disc and an emergency braking device, wherein the emergency braking device comprises a support, a machine body, an upper clamping plate, a lower clamping plate, a friction plate group, a hydraulic cylinder body and a screw rod;
The brake disc is arranged on the outer edge of the bottom of the workbench, and the workbench is arranged on a workbench base;
The brake disc brake is characterized in that a machine body is fixedly arranged on the support, the machine body is of a U-shaped structure, an upper clamping plate is arranged at the upper part in the machine body, a lower clamping plate is arranged at the lower part in the machine body, the upper clamping plate and the lower clamping plate are respectively movably connected with a pin shaft on the wall of the machine body, friction disc groups are respectively arranged at the left sides of the upper clamping plate and the lower clamping plate, and the distance between the two friction disc groups is greater than the height of the brake disc when;
A locking nut is fixedly arranged at the right end of the lower clamping plate, and an adjustable screw is arranged in the locking nut;
The right end of the upper clamping plate is fixedly provided with a hydraulic cylinder body, the upper end of the hydraulic cylinder body is sealed by a hydraulic cylinder cover, and a belleville spring, a piston rod and a hydraulic pipeline are sequentially arranged in the hydraulic cylinder body from top to bottom; the hydraulic pipeline is fixedly arranged on the wall of the hydraulic cylinder body; the upper end of the piston rod is of a disc structure, the upper end of the piston rod is sealed with the wall of the hydraulic cylinder body, the piston rod can move up and down, and the lower end of the piston rod extends out of the hydraulic cylinder body and is connected with the hydraulic cylinder body in a sealing way; when the power is not on, the piston rod moves downwards to be in contact with the adjustable screw rod;
And the right sides of the upper clamping plate and the lower clamping plate are provided with coil springs close to the machine body, and two ends of each coil spring are fixedly connected with the upper clamping plate and the lower clamping plate respectively.
Furthermore, the emergency braking devices are arranged on two sides of the workbench, so that the stability during braking is improved.
furthermore, the belleville springs can be of different specifications and output different braking forces.
Further, the up-and-down adjustment of the adjustable screw rod on the locking nut determines the distance between the friction plate sets on the upper clamping plate and the lower clamping plate during clamping.
The invention has the beneficial effects that: the utility model provides a vertical lathe workstation emergency braking device can stop the rotation of workstation and work piece when the lathe takes place electrical fault such as outage suddenly, prevents the emergence of accidents such as workstation guide rail abrasions, has ensured the life of workstation, has extensive application space and prospect.
Drawings
fig. 1 is a schematic view of an assembly relationship structure of an embodiment of the present invention.
Figure 2 is a schematic diagram of the main structure of an embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view of a hydraulic ram of an embodiment of the present invention.
reference numbers in the figures: 1. the hydraulic brake device comprises a workbench, 2, a workbench base, 3, a brake disc, 4, a support, 5, a machine body, 6, a lower clamping plate, 7, an upper clamping plate, 8, a friction plate group, 9, a pin shaft, 10, a spiral spring, 11, a screw, 12, an adjustable screw rod, 13, a locking nut, 14, a hydraulic cylinder body, 15, a piston rod, 16, a belleville spring, 17, a locking nut, 18, a hydraulic pipeline, 19, a hydraulic cylinder cover, 20 and a support.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 3, an embodiment of the invention provides an emergency braking device for a vertical lathe workbench, which comprises a brake disc 3 and an emergency braking device 4, wherein the emergency braking device 4 comprises a bracket 20, a machine body 5, an upper clamping plate 7, a lower clamping plate 6, a friction plate group 8, a hydraulic cylinder 14 and a screw rod;
the brake disc 3 is arranged on the outer edge of the bottom of the workbench 1, and the workbench 1 is arranged on the workbench base 2;
the brake disc brake device is characterized in that a machine body 5 is fixedly arranged on the support 20, the machine body 5 is of a U-shaped structure, an upper clamping plate 7 is arranged at the upper part in the machine body 5, a lower clamping plate 6 is arranged at the lower part in the machine body 5, the upper clamping plate 7 and the lower clamping plate 6 are respectively movably connected with a body wall pin shaft 9 of the machine body 5, friction disc groups 8 are respectively arranged at the left sides of the upper clamping plate 7 and the lower clamping plate 6, and the distance between the two friction disc groups 8 is greater than the height of the brake;
A locking nut 13 is fixedly arranged at the right end of the lower clamping plate 6, and an adjustable screw 12 is arranged in the locking nut 13;
A hydraulic cylinder body 14 is fixedly arranged at the right end of the upper clamping plate 7, the upper end of the hydraulic cylinder body 14 is sealed by a hydraulic cylinder cover 19, and a belleville spring 16, a piston rod 15 and a hydraulic pipeline 18 are sequentially arranged in the hydraulic cylinder body 14 from top to bottom; the hydraulic pipeline 18 is fixedly arranged on the wall of the hydraulic cylinder 14; the upper end of the piston rod 15 is of a disc structure, the upper end of the piston rod 15 is sealed with the wall of the hydraulic cylinder body 14, the piston rod 15 can move up and down, and the lower end of the piston rod 15 extends out of the hydraulic cylinder body 14 and is connected with the hydraulic cylinder body 14 in a sealing mode; when the power is not on, the piston rod 15 moves downwards to contact with the adjustable screw 12;
a spiral spring 10 is arranged on the right side of the upper clamping plate 7 and the lower clamping plate 6 close to the machine body 5,
Two ends of the spiral spring 10 are fixedly connected with the upper clamping plate 7 and the lower clamping plate 6 respectively.
Preferably, the emergency braking devices 4 are arranged on two sides of the workbench 1 to increase the stability during braking.
Preferably, the belleville springs 16 may be of different specifications to output different braking forces.
preferably, the up-and-down adjustment of the adjustable screw 12 on the locking nut 13 determines the distance between the friction plate sets 8 on the upper clamping plate 7 and the lower clamping plate 6 during clamping.
When the emergency braking device is used, as shown in fig. 1 to 3, the emergency braking devices 4 are installed on two sides of the workbench 1, when the machine tool operates normally, the brake disc 3 rotates along with the workbench 1, the reversing valve on the hydraulic pipeline 18 is in an electrified state, the oil pipeline is unblocked, hydraulic oil is injected into the hydraulic cylinder body 14, the piston rod 15 compresses the disc spring through the oil pressure, the piston rod 15 contracts, a gap is formed between the piston rod 15 and the adjustable screw 12 installed on the lower clamping plate 6, and under the action of the spiral spring 10, the friction disc group 8 on the upper clamping plate 7 and the lower clamping plate 6 is separated from the brake disc 3, so that the normal operation of the machine tool is not influenced.
When the machine tool is suddenly powered off, the main motor, the workbench 1 static pressure oil pump and other parts stop working, the reversing valve on the hydraulic pipeline 18 is powered off, the oil return port is opened, hydraulic oil in the hydraulic cylinder body 14 flows out of the hydraulic cylinder under the action of the disc spring, the piston rod 15 extends out to be in contact with the adjustable screw rod 12 installed on the lower clamping plate 6, the upper clamping plate 7 and the lower clamping plate 6 open at the right end by taking the pin shaft 9 as a fulcrum under the action of the disc spring, the friction plate group 8 of the upper clamping plate 7 and the lower clamping plate 6 is clamped on the brake disc 3, and the workbench 1 is emergently braked through friction force.
As shown in FIG. 3, when the friction plate set 8 is slightly worn, the size of the jaw when the emergency braking device clamps the brake disc 3 can be realized by adjusting the position of the adjustable screw 12 on the lower clamping plate 6, the use is not affected, and different braking force can be output by replacing the disc spring.
Although the embodiments of the present invention have been described above, the contents thereof are merely embodiments adopted to facilitate understanding of the technical aspects of the present invention, and are not intended to limit the present invention. It will be apparent to persons skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (2)
1. an emergency braking device for a vertical lathe workbench comprises a brake disc (3) and emergency braking devices (4), wherein the emergency braking devices (4) are arranged on two sides of the workbench (1); the brake disc (3) is arranged on the outer edge of the bottom of the workbench (1), and the workbench (1) is arranged on the workbench base (2); the method is characterized in that: the emergency braking device (4) comprises a support (20), a machine body (5), an upper clamping plate (7), a lower clamping plate (6), friction plate groups (8), a hydraulic cylinder body (14) and a screw, wherein the machine body (5) is fixedly arranged on the support (20), the machine body (5) is of a U-shaped structure, the upper clamping plate (7) is arranged at the inner upper part of the machine body (5), the lower clamping plate (6) is arranged at the inner lower part of the machine body (5), the friction plate groups (8) are respectively arranged on the left sides of the upper clamping plate (7) and the lower clamping plate (6), and the distance between the two friction plate groups (8) is greater than the height of a brake disc (3) when the; a locking nut (13) is fixedly arranged at the right end of the lower clamping plate (6), and an adjustable screw rod (12) is arranged in the locking nut (13);
The upper clamping plate (7) and the lower clamping plate (6) are respectively movably connected with a body wall pin shaft (9) of the machine body (5), a hydraulic cylinder body (14) is fixedly arranged at the right end of the upper clamping plate (7), the upper end of the hydraulic cylinder body (14) is sealed by a hydraulic cylinder cover (19), and a belleville spring (16), a piston rod (15) and a hydraulic pipeline (18) are sequentially arranged in the hydraulic cylinder body (14) from top to bottom; the hydraulic pipeline (18) is fixedly arranged on the wall of the hydraulic cylinder body (14); the upper end of the piston rod (15) is of a disc structure, the upper end of the piston rod (15) is sealed with the wall of the hydraulic cylinder body (14), the piston rod (15) can move up and down, and the lower end of the piston rod (15) extends out of the hydraulic cylinder body (14) and is connected with the hydraulic cylinder body (14) in a sealing mode; when the power is not on, the piston rod (15) moves downwards to be in contact with the adjustable screw rod (12); and the right sides of the upper clamping plate (7) and the lower clamping plate (6) are provided with a spiral spring (10) close to the machine body (5), and two ends of the spiral spring (10) are fixedly connected with the upper clamping plate (7) and the lower clamping plate (6) respectively.
2. The vertical lathe work table emergency brake apparatus according to claim 1, wherein: the distance between the friction plate sets (8) on the upper clamping plate (7) and the lower clamping plate (6) during clamping is determined by up-down adjustment of the adjustable screw (12) on the locking nut (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400723.0A CN108080662B (en) | 2017-12-22 | 2017-12-22 | emergency brake device for vertical lathe workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400723.0A CN108080662B (en) | 2017-12-22 | 2017-12-22 | emergency brake device for vertical lathe workbench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108080662A CN108080662A (en) | 2018-05-29 |
| CN108080662B true CN108080662B (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711400723.0A Active CN108080662B (en) | 2017-12-22 | 2017-12-22 | emergency brake device for vertical lathe workbench |
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| Country | Link |
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| CN (1) | CN108080662B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818186A (en) * | 2018-06-06 | 2018-11-16 | 太仓鉴崧实业有限公司 | A kind of multi-angle operation handle and its working method for floor grinding mill |
| CN108555323A (en) * | 2018-07-06 | 2018-09-21 | 合肥格骄电子科技有限公司 | A kind of production lathe emergency stop device |
| CN110961383A (en) * | 2019-11-29 | 2020-04-07 | 陕西瑞道交通工程有限公司 | Sign removes reflective membrane equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5850770A (en) * | 1995-06-22 | 1998-12-22 | Gildemeister Aktiengesellschaft | Securing device for workpiece spindle of lathe |
| CN203665181U (en) * | 2013-12-31 | 2014-06-25 | 齐齐哈尔二机床(集团)有限责任公司 | Automatic braking device of heavy horizontal lathe spindle |
| CN104209768A (en) * | 2014-08-11 | 2014-12-17 | 南通京鼎数控设备有限公司 | Vertical type lathe and milling machine worktable with brake function |
| CN104291235A (en) * | 2014-11-04 | 2015-01-21 | 北京索德电气工业有限公司 | Magnet brake used for lifting equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140231189A1 (en) * | 2013-02-18 | 2014-08-21 | Mando Corporation | Electric caliper brake |
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2017
- 2017-12-22 CN CN201711400723.0A patent/CN108080662B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5850770A (en) * | 1995-06-22 | 1998-12-22 | Gildemeister Aktiengesellschaft | Securing device for workpiece spindle of lathe |
| CN203665181U (en) * | 2013-12-31 | 2014-06-25 | 齐齐哈尔二机床(集团)有限责任公司 | Automatic braking device of heavy horizontal lathe spindle |
| CN104209768A (en) * | 2014-08-11 | 2014-12-17 | 南通京鼎数控设备有限公司 | Vertical type lathe and milling machine worktable with brake function |
| CN104291235A (en) * | 2014-11-04 | 2015-01-21 | 北京索德电气工业有限公司 | Magnet brake used for lifting equipment |
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| Publication number | Publication date |
|---|---|
| CN108080662A (en) | 2018-05-29 |
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