CN105750965A - Centering and clamping device - Google Patents
Centering and clamping device Download PDFInfo
- Publication number
- CN105750965A CN105750965A CN201610332597.9A CN201610332597A CN105750965A CN 105750965 A CN105750965 A CN 105750965A CN 201610332597 A CN201610332597 A CN 201610332597A CN 105750965 A CN105750965 A CN 105750965A
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- Prior art keywords
- valve
- valve port
- pressing plate
- hydraulic motor
- gear
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a centering and clamping device and belongs to the technical field of machining. The device comprises an upper rack, a lower rack and a gear, an upper guide rod and an upper guide sleeve are connected in a sliding mode, a lower guide rod is connected with a lower guide sleeve in a sliding mode, the upper rack is arranged at the lower end of the upper guide rod, the lower rack is arranged at the lower end of the lower guide rod, the gear and a gear shaft are coaxially arranged, the gear is meshed with the upper rack and the lower rack, the gear shaft is connected with a hydraulic motor through a coupler, a third valve port of a reversing valve is connected with a first valve port of the hydraulic motor through a throttling valve, one side of the throttling valve is connected with a one-way valve in parallel, a fourth valve port of the reversing valve is connected with a second valve port of the hydraulic motor, a fifth valve port of the reversing valve is connected with one end of an oil pump and one end of an overflow valve, the other end of the oil pump is connected with an oil tank, the other end of the overflow valve is connected with the oil tank, and a sixth valve port of the reversing valve is connected with the oil tank. The centering and clamping device can quickly clamp shaft parts, it is guaranteed that the shaft parts have stable clamping force, the structure is reasonable, and cost is low.
Description
Technical field
The present invention relates to Machining Technology field, particularly to one to heart clamping device.
Background technology
Machining refers to by the process that a kind of plant equipment overall dimensions to workpiece or performance are changed.Machining and pressure processing can be divided into by the difference on processing mode.Technical process can be divided into again the technical processs such as casting, forging, punching press, welding, machining, assembling, and technical process is made up of one or several tactic operations again, and an operation is formed by by several work steps.The machinery that processing needs is by digital display milling machine, digital display form grinder, digital display lathe, electric discharge machine, grinding machine of universal, machining center, cylindrical grinder, internal grinder, fine turning lathe etc., the processing such as the car of precision component, milling, plane, mill can be carried out, the processing such as the car of precision component, milling, plane, mill are good at by this type of machinery, can processing various irregularly shaped part, machining accuracy is high.Which kind of, no matter in the course of processing, it is required for being clamped workpiece.Clamping device has claimed below: 1. do not change the tram behind workpiece location in clamping process；2. clamping force be sized to reliable and suitable；3. simple in construction, easy to manufacture, volume is little, and intensity is wanted enough；3. easy to operate, safety labor-saving.Common clamping device has wedge block clamping device, helical clamping apparatus, eccentric clamping device etc..In axial workpiece clamping process, it is often necessary to ensure the heart is clamped, say, that the center of circle of two fixture blocks and axis coinciding, be so conducive to improving the stability of axial workpiece clamping, it is ensured that suitable clamping force.
Summary of the invention
It is an object of the invention to provide a kind of to heart clamping device, quickly realize the clamping to axial workpiece, it is ensured that axial workpiece has stable chucking power, and rational in infrastructure, cost is low.
The technical solution adopted for the present invention to solve the technical problems is:
nullA kind of to heart clamping device，It includes support plinth、Left pressing plate、Right pressing plate、Left fixture block、Right fixture block、Top guide bar、Upper guide bush、Lower guide rod、Lower guide pin bushing、Upper rack、Lower tooth bar、Gear、Gear shaft、Shaft coupling、Hydraulic motor、Check valve、Choke valve、Reversal valve、Fuel tank、Oil pump、Overflow valve，Described left pressing plate and right pressing plate can horizontally slip and be arranged on support plinth，Described left fixture block is arranged on the right side of left pressing plate，Described right fixture block is arranged on the left side of right pressing plate，The left end of described upper guide bush is fixed on left pressing plate，The right-hand member of described top guide bar is fixed on right pressing plate，Described top guide bar and upper guide bush slidable connection，The left end of described lower guide rod is fixed on left pressing plate，The right-hand member of described lower guide pin bushing is fixed on right pressing plate，Described lower guide rod and lower guide pin bushing slidable connection，The lower end of described top guide bar is provided with upper rack，The lower end of described lower guide rod is provided with lower tooth bar，Described gear and gear shaft concentric are arranged，Described gear and upper rack and lower tooth bar all engage，Described gear shaft is connected by shaft coupling and hydraulic motor，Described hydraulic motor is provided with the first valve port and the second valve port，Described reversal valve is provided with the 3rd valve port、4th valve port、5th valve port and the 6th valve port，3rd valve port of described reversal valve connects the first valve port of hydraulic motor by choke valve，The side of described choke valve has been arranged in parallel check valve，4th valve port of described reversal valve connects the second valve port of hydraulic motor，5th valve port of described reversal valve connects one end of oil pump and one end of overflow valve，The other end of described oil pump connects fuel tank，The other end of described overflow valve connects fuel tank，6th valve port of described reversal valve connects fuel tank.
Further, described overflow valve is pilot operated compound relief valve.
Further, described shaft coupling is yielding coupling.
The present invention is compared to the prior art, have the following advantages and effect: operation of oil pump, hydraulic oil enters the second valve port of hydraulic motor through reversal valve, gear is turning anticlockwise under the driving of hydraulic motor, under the effect of overflow valve, left pressing plate with right pressing plate respectively under upper rack with the drive of lower tooth bar with identical low speed out movement, it is achieved the clamping to axial workpiece.Reversal valve commutates, hydraulic oil through entering the first valve port of hydraulic motor through reversal valve and check valve, gear turns round clockwise under the driving of hydraulic motor, and left pressing plate moves with identical high-speed reverse respectively with right pressing plate under upper rack with the drive of lower tooth bar, it is achieved unclamping axial workpiece.Shaft coupling is yielding coupling, zero revolution gap, it is ensured that be synchronized with the movement, and facilitate compensating for radial and axial deviation, good reliability.Overflow valve is pilot operated compound relief valve, plays the effect of voltage stabilizing overflow, serves safeguard protection effect, and is advantageously implemented long-range control.The present invention quickly realizes the clamping to axial workpiece, it is ensured that axial workpiece has stable chucking power, and rational in infrastructure, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A-A direction view of Fig. 1 of the present invention.
In figure: 1. support plinth, 2. left pressing plate, 3. right pressing plate, 4. left fixture block, 5. right fixture block, 6. top guide bar, 7. upper guide bush, 8. lower guide rod, 9. descend guide pin bushing, 10. upper rack, 11. lower tooth bar, 12. gears, 13. gear shafts, 14. shaft couplings, 15. hydraulic motors, 16. check valve, 17. choke valves, 18. reversal valves, 19. fuel tanks, 20. oil pump, 21. overflow valves, 22. first valve ports, 23. second valve ports, 24. the 3rd valve port, 25. the 4th valve ports, 26. the 5th valve ports, 27. the 6th valve ports.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following example are explanation of the invention and the invention is not limited in following example.
nullAs depicted in figs. 1 and 2，A kind of to heart clamping device，It includes support plinth 1、Left pressing plate 2、Right pressing plate 3、Left fixture block 4、Right fixture block 5、Top guide bar 6、Upper guide bush 7、Lower guide rod 8、Lower guide pin bushing 9、Upper rack 10、Lower tooth bar 11、Gear 12、Gear shaft 13、Shaft coupling 14、Hydraulic motor 15、Check valve 16、Choke valve 17、Reversal valve 18、Fuel tank 19、Oil pump 20、Overflow valve 21，Described left pressing plate 2 and right pressing plate 3 can horizontally slip and be arranged on support plinth 1，Described left fixture block 4 is arranged on the right side of left pressing plate 2，Described right fixture block 5 is arranged on the left side of right pressing plate 3，The left end of described upper guide bush 7 is fixed on left pressing plate 2，The right-hand member of described top guide bar 6 is fixed on right pressing plate 3，Described top guide bar 6 and upper guide bush 7 slidable connection，The left end of described lower guide rod 8 is fixed on left pressing plate 2，The right-hand member of described lower guide pin bushing 9 is fixed on right pressing plate 3，Described lower guide rod 8 and lower guide pin bushing 9 slidable connection.The lower end of described top guide bar 6 is provided with upper rack 10, and the lower end of described lower guide rod 8 is provided with lower tooth bar 11, described gear 12 and gear shaft 13 concentric and arranges, and described gear 12 and upper rack 10 and lower tooth bar 11 all engage.Described gear shaft 13 is connected by shaft coupling 14 and hydraulic motor 15, and described shaft coupling 14 is yielding coupling, zero revolution gap, it is ensured that be synchronized with the movement, and facilitate compensating for radial and axial deviation, good reliability.Described hydraulic motor 15 is provided with the first valve port 22 and the second valve port 23, described reversal valve 18 is provided with the 3rd valve port the 24, the 4th valve port the 25, the 5th valve port 26 and the 6th valve port 27.3rd valve port 24 of described reversal valve 18 connects the first valve port 22 of hydraulic motor 15 by choke valve 17, the side of described choke valve 17 has been arranged in parallel check valve 16, 4th valve port 25 of described reversal valve 18 connects the second valve port 23 of hydraulic motor 15, 5th valve port 26 of described reversal valve 18 connects one end of oil pump 20 and one end of overflow valve 21, the other end of described oil pump 20 connects fuel tank 19, the other end of described overflow valve 21 connects fuel tank 19, described overflow valve 21 is pilot operated compound relief valve, play the effect of voltage stabilizing overflow, serve safeguard protection effect, and it is advantageously implemented long-range control.6th valve port 27 of described reversal valve 18 connects fuel tank 19.
Pass through technique scheme, when heart clamping device is used by present invention one, oil pump 20 works, hydraulic oil enters the second valve port 23 of hydraulic motor 15 through reversal valve 18, gear 12 turning anticlockwise under the driving of hydraulic motor 15, under the effect of overflow valve 21, left pressing plate 2 with right pressing plate 3 respectively under upper rack 10 with the drive of lower tooth bar 11 with identical low speed out movement, it is achieved the clamping to axial workpiece.Reversal valve 18 commutates, hydraulic oil through entering the first valve port 22 of hydraulic motor 15 through reversal valve 18 and check valve 16, gear 12 turns round clockwise under the driving of hydraulic motor 15, left pressing plate 2 moves with identical high-speed reverse respectively with right pressing plate 3 under upper rack 10 with the drive of lower tooth bar 11, it is achieved unclamping axial workpiece.The present invention quickly realizes the clamping to axial workpiece, it is ensured that axial workpiece has stable chucking power, and rational in infrastructure, cost is low.
Above content described in this specification is only illustration made for the present invention.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art; without departing from the content of description of the present invention or surmount the scope that present claims book is defined, protection scope of the present invention all should be belonged to.
Claims (3)
- null1. one kind to heart clamping device，It is characterized in that: it includes support plinth、Left pressing plate、Right pressing plate、Left fixture block、Right fixture block、Top guide bar、Upper guide bush、Lower guide rod、Lower guide pin bushing、Upper rack、Lower tooth bar、Gear、Gear shaft、Shaft coupling、Hydraulic motor、Check valve、Choke valve、Reversal valve、Fuel tank、Oil pump、Overflow valve，Described left pressing plate and right pressing plate can horizontally slip and be arranged on support plinth，Described left fixture block is arranged on the right side of left pressing plate，Described right fixture block is arranged on the left side of right pressing plate，The left end of described upper guide bush is fixed on left pressing plate，The right-hand member of described top guide bar is fixed on right pressing plate，Described top guide bar and upper guide bush slidable connection，The left end of described lower guide rod is fixed on left pressing plate，The right-hand member of described lower guide pin bushing is fixed on right pressing plate，Described lower guide rod and lower guide pin bushing slidable connection，The lower end of described top guide bar is provided with upper rack，The lower end of described lower guide rod is provided with lower tooth bar，Described gear and gear shaft concentric are arranged，Described gear and upper rack and lower tooth bar all engage，Described gear shaft is connected by shaft coupling and hydraulic motor，Described hydraulic motor is provided with the first valve port and the second valve port，Described reversal valve is provided with the 3rd valve port、4th valve port、5th valve port and the 6th valve port，3rd valve port of described reversal valve connects the first valve port of hydraulic motor by choke valve，The side of described choke valve has been arranged in parallel check valve，4th valve port of described reversal valve connects the second valve port of hydraulic motor，5th valve port of described reversal valve connects one end of oil pump and one end of overflow valve，The other end of described oil pump connects fuel tank，The other end of described overflow valve connects fuel tank，6th valve port of described reversal valve connects fuel tank.
- 2. one according to claim 1 is to heart clamping device, it is characterised in that: described overflow valve is pilot operated compound relief valve.
- 3. one according to claim 1 is to heart clamping device, it is characterised in that: described shaft coupling is yielding coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332597.9A CN105750965A (en) | 2016-05-19 | 2016-05-19 | Centering and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332597.9A CN105750965A (en) | 2016-05-19 | 2016-05-19 | Centering and clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN105750965A true CN105750965A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610332597.9A Pending CN105750965A (en) | 2016-05-19 | 2016-05-19 | Centering and clamping device |
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| CN (1) | CN105750965A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378551A (en) * | 2017-08-15 | 2017-11-24 | 重庆速腾机械制造有限公司 | Auto parts and components clamping device |
| CN107601397A (en) * | 2017-09-25 | 2018-01-19 | 安吉十万亩白茶有限公司 | A kind of bottled food sealing machine |
| CN107855805A (en) * | 2017-12-20 | 2018-03-30 | 廖宇萍 | It is a kind of can Quick-clamped milling cylinder bus duct fixture |
| CN108000218A (en) * | 2017-12-08 | 2018-05-08 | 桐乡胜辉精密机械有限公司 | A kind of translating type pinion and-rack clamping device |
| CN108818704A (en) * | 2018-05-28 | 2018-11-16 | 惠州市好品盈电子科技有限公司 | A kind of Soft Roll cylindrical battery trimming fixture |
| CN109159014A (en) * | 2018-10-08 | 2019-01-08 | 江苏英锐半导体有限公司 | A kind of control device for wafer production CVD oxide thickness |
| CN109940428A (en) * | 2017-12-21 | 2019-06-28 | 辽宁五一八内燃机配件有限公司 | A kind of crank axle for vessel hydraulic self-centering clamp system |
| CN110056712A (en) * | 2018-01-18 | 2019-07-26 | 镇江荣诚管业有限公司 | A kind of perforated plastic-aluminum composite pressure pipe |
| CN111037293A (en) * | 2019-12-11 | 2020-04-21 | 丁童 | Automatic processing equipment for automobile flange yoke |
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| US4405266A (en) * | 1979-09-05 | 1983-09-20 | Wilhelm Hegenscheidt Gesellshaft Mbh | Deep drilling machine |
| US5125139A (en) * | 1991-06-27 | 1992-06-30 | Tadashi Ohta | Hydraulic drive mechanism in machine tool |
| CN201988936U (en) * | 2011-03-09 | 2011-09-28 | 东北石油大学 | Automatic clamping hydraulic device for ordinary vertical milling machine |
| CN202292205U (en) * | 2011-10-14 | 2012-07-04 | 浙江西菱台钻制造有限公司 | Clamp for an end surface milling and centre drilling machine tool |
| CN104440287A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Single-station connecting rod hole milling and pressing device and hydraulic system thereof |
| CN205021247U (en) * | 2015-08-17 | 2016-02-10 | 安润集团安徽中润重工有限公司 | Axle is with top anchor clamps of double -end |
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2016
- 2016-05-19 CN CN201610332597.9A patent/CN105750965A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405266A (en) * | 1979-09-05 | 1983-09-20 | Wilhelm Hegenscheidt Gesellshaft Mbh | Deep drilling machine |
| US5125139A (en) * | 1991-06-27 | 1992-06-30 | Tadashi Ohta | Hydraulic drive mechanism in machine tool |
| CN201988936U (en) * | 2011-03-09 | 2011-09-28 | 东北石油大学 | Automatic clamping hydraulic device for ordinary vertical milling machine |
| CN202292205U (en) * | 2011-10-14 | 2012-07-04 | 浙江西菱台钻制造有限公司 | Clamp for an end surface milling and centre drilling machine tool |
| CN104440287A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Single-station connecting rod hole milling and pressing device and hydraulic system thereof |
| CN205021247U (en) * | 2015-08-17 | 2016-02-10 | 安润集团安徽中润重工有限公司 | Axle is with top anchor clamps of double -end |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378551A (en) * | 2017-08-15 | 2017-11-24 | 重庆速腾机械制造有限公司 | Auto parts and components clamping device |
| CN107601397A (en) * | 2017-09-25 | 2018-01-19 | 安吉十万亩白茶有限公司 | A kind of bottled food sealing machine |
| CN108000218A (en) * | 2017-12-08 | 2018-05-08 | 桐乡胜辉精密机械有限公司 | A kind of translating type pinion and-rack clamping device |
| CN107855805A (en) * | 2017-12-20 | 2018-03-30 | 廖宇萍 | It is a kind of can Quick-clamped milling cylinder bus duct fixture |
| CN109940428A (en) * | 2017-12-21 | 2019-06-28 | 辽宁五一八内燃机配件有限公司 | A kind of crank axle for vessel hydraulic self-centering clamp system |
| CN110056712A (en) * | 2018-01-18 | 2019-07-26 | 镇江荣诚管业有限公司 | A kind of perforated plastic-aluminum composite pressure pipe |
| CN108818704A (en) * | 2018-05-28 | 2018-11-16 | 惠州市好品盈电子科技有限公司 | A kind of Soft Roll cylindrical battery trimming fixture |
| CN109159014A (en) * | 2018-10-08 | 2019-01-08 | 江苏英锐半导体有限公司 | A kind of control device for wafer production CVD oxide thickness |
| CN111037293A (en) * | 2019-12-11 | 2020-04-21 | 丁童 | Automatic processing equipment for automobile flange yoke |
| CN111037293B (en) * | 2019-12-11 | 2021-02-26 | 安徽艾德河汽车部件有限公司 | Automatic processing equipment for automobile flange yoke |
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Application publication date: 20160713 |
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| RJ01 | Rejection of invention patent application after publication |