CN103994124A - Gear and rack cylinder and clamping device with same - Google Patents
Gear and rack cylinder and clamping device with same Download PDFInfo
- Publication number
- CN103994124A CN103994124A CN201410259328.5A CN201410259328A CN103994124A CN 103994124 A CN103994124 A CN 103994124A CN 201410259328 A CN201410259328 A CN 201410259328A CN 103994124 A CN103994124 A CN 103994124A
- Authority
- CN
- China
- Prior art keywords
- gear
- transmission shaft
- cylinder body
- cylinder
- groove
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
- F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
Abstract
The invention discloses a gear and rack cylinder and a clamping device with the same. The gear and rack cylinder comprises a cylinder body and a piston assembly, the piston assembly comprises two pistons and a piston rod fixedly connected between the two pistons, a radial through groove is formed in the piston rod, a rack is fixedly arranged on the groove wall of one side of the radial through groove, the gear and rack cylinder further comprises a transmission shaft rotatably arranged on the cylinder body in a penetrating mode and a gear arranged on the transmission shaft, at least one end of the transmission shaft is located outside the cylinder body, the transmission shaft penetrates through the radial through groove in the radial direction, the gear is contained in the radial through groove, and the gear and the rack are meshed with each other. When the piston assembly carries out reciprocating rectilinear motion in the cylinder body, the transmission shaft can rotate or swing back and forth correspondingly. The gear and rack cylinder is simple in structure, good in assembling manufacturability, low in manufacturing cost and better in generality. Rod-shaped compressing elements are arranged on the transmission shaft, so the clamping device which can press and locate a workpiece to be located can be formed.
Description
Technical field
the present invention relates to a kind of gear rack cylinder and there is its clamp device.
?
Background technique
in the occasion that needs cylinder or oil hydraulic cylinder output reciprocally swinging or rotation, conventionally there are two kinds of selections: (1) selects single blade type swing cylinder; (2) select rack and wheel cylinder.Wherein, single blade type swing cylinder can not be exported one week or exceed the rotation repeatedly of a week.Single blade type swing cylinder due to its axial seal and circumferential seal all extremely difficult, can not bear higher pressure, the torque of its output has been subject to very big restriction naturally.
traditional rack and wheel cylinder adopts the method that a side of built-in piston rod is processed into tooth bar, and the gear that drives its shaft axis to be positioned at cylinder barrel outside produces reciprocally swinging or rotation.This traditional rack and wheel cylinder, although seem extremely simple from principle, its practical structures is but very complicated, and assembly process process is bad, shown in Figure 1.On cylinder body 1 ', needing to offer an opening makes gear 4 ' be meshed with tooth bar 3 ', like this, the outside need of cylinder body 1 ' is set up an outer casing 2 ' again, for accommodating gear 4 ' and transmission shaft 5 ' being installed, and outer casing 2 ' need to be manufactured separately and be fixed on outside cylinder body 1 ', cause the complex structure of this gear rack cylinder, take up room large, and processing, assembly process process are poor, and cost of production is high.
?
Summary of the invention
the object of the invention is the defect in order to overcome prior art, a kind of simple in structure and gear rack cylinder that assembly process process is good is provided.
for achieving the above object, the technical solution used in the present invention is:
a kind of gear rack cylinder, comprise the cylinder body with inner chamber, can be located at movably vertically the piston assembly in the inner chamber of described cylinder body, described piston assembly comprises the piston that is positioned at both sides, be fixedly connected on the piston rod between piston described in both sides, on described piston rod, offer radially groove, on one side channel wall of described radially groove, be fixedly provided with tooth bar, the length bearing of trend of described tooth bar and the shaft axis of described piston rod are parallel to each other, described gear rack cylinder also comprises the transmission shaft being located in rotationally on described cylinder body, be located at the gear on described transmission shaft, on described transmission shaft, have at least one end to be positioned at outside described cylinder body, described transmission shaft is vertically through described radially groove, described in described gear is housed in radially in groove and the setting that is meshed with described tooth bar of described gear.
preferably, the shaft axis of described transmission shaft and the shaft axis of described cylinder body are mutually vertical and overlap with the radial centre lines of described cylinder body.
another object of the present invention is to provide a kind of clamp device with said gear rack cylinder, to Work-sheet pressing.
for achieving the above object, the technical solution used in the present invention is:
a kind of clamp device, comprises above-mentioned gear rack cylinder, and described transmission shaft passes on the end outside described cylinder body shaft-like clamping element is installed regularly, and the outer end of described shaft-like clamping element has the compressed part for workpiece pressing.
due to the utilization of technique scheme, the present invention compared with prior art has following outstanding advantages: existing rack and wheel cylinder needs peripheral hardware to contain the casing of gear and transmission shaft thereof, and complex structure, takes up room large, and processing, assembly process process are poor, and cost of production is high; And in gear rack cylinder of the present invention, because gear and transmission shaft thereof are placed in cylinder body, do not need peripheral hardware casing, and structure is significantly simplified, and extremely compact, and processing and assembly process process are good, and cost of production is low, has better versatility.
adopt in the clamp device of this gear rack cylinder, gear rack cylinder can provide driving force, drives the swingingly workpiece pressing of compressed part of shaft-like clamping element, after workpiece process finishes, backswing again, departs from the clamped surface of workpiece, step down thereby form, facilitate workpiece to take out after processing.
?
Brief description of the drawings
accompanying drawing 1 is the structural representation of gear rack cylinder of the prior art;
accompanying drawing 2 is the internal structure schematic diagram of the gear rack cylinder in the present invention;
accompanying drawing 3 be in accompanying drawing 2 A-A to sectional structure schematic diagram;
accompanying drawing 4 is the working principle schematic diagram one of clamp device in the present invention;
accompanying drawing 5 is the working principle schematic diagram two of clamp device in the present invention.
wherein: 1, cylinder body; 101, the first chamber; 102, the second chamber; 2, piston assembly; 21, piston; 22, piston rod; 23, groove radially; 3, tooth bar; 4, gear; 5, transmission shaft; 6, selector valve; 7, left bearing cover; 8, lining; 9, right bearing cover; 10, workpiece; 11, shaft-like clamping element; 12, locating face.
?
Embodiment
below in conjunction with accompanying drawing and specific embodiment, technological scheme of the present invention is further elaborated.
referring to the gear rack cylinder shown in Fig. 2, Fig. 3, it comprise have inner chamber cylinder body 1, can be along the piston assembly 2 in the inner chamber of being axially movably located at cylinder body 1 of cylinder body 1, piston assembly 2 is separated into the inner chamber of cylinder body 1 two independently chambers in cylinder body 1, is positioned at the first chamber 101 and second chamber 102 of piston assembly both sides.
piston assembly 2 comprise two pistons 21 of both sides, be connected to 22, two pistons 21 of two piston rods between piston 21 respectively with the setting that is tightly connected of the inner circumferential sidewall of cylinder body 1.On piston rod 22, offer radially groove 23, this is radially fixedly provided with tooth bar 3 on a side channel wall of groove 23, and tooth bar 3 is housed in this radial passage 23.Tooth bar 3 can be by being directly processed to form on this side channel wall, or assembling arranges.The length bearing of trend of tooth bar 3 and the shaft axis of piston rod 22 are parallel to each other.
this gear rack cylinder also comprises the transmission shaft 5 that is located in rotationally on cylinder body 1, is located at the gear 4 on transmission shaft 5.Transmission shaft 5 is vertically through groove 23 radially, and gear 4 is housed in radially in groove 23, and gear 4 setting that is meshed with tooth bar 3.Transmission shaft 5 has at least one end to be positioned at outside cylinder body 1, and this end is for the power output of transmission shaft 5.For ease of assembling, the mutual vertical and setting that overlaps with the radial centre lines of cylinder body 1 of the shaft axis of the shaft axis of transmission shaft 5 and cylinder body 1.
in the time that installation is provided with the transmission shaft 5 of gear 4, first on cylinder body 1, fix left bearing cover 7 and lining 8, then the transmission shaft 5 that gear 4 is installed is penetrated along the endoporus of cylinder body 1, the left end of transmission shaft 5 is inserted in the endoporus of left bearing cover 7, right bearing cover 9 be sheathed with on the other end of transmission shaft 5 again and insert in the endoporus of lining 8, now gear 4 is housed in radially in groove 23 and is intermeshing with tooth bar 3.
control in the first chamber 101 or the second chamber 102 and be filled with pressurized gas or hydraulic oil by selector valve 6 like this, can driven plunger assembly 2 moving axially along cylinder body 1.When piston assembly 2 moves, be just with carry-over bar 3 to move along its length, and then actuation gear 4 rotate and drive transmission shaft 5 to rotate.Mounted movable member on end outside transmission shaft 5 passes cylinder body 1, just can make its rotation or reciprocally swinging, and the revolution of its rotation and the amplitude of reciprocally swinging can, according to the requirement of actual conditions, be adjusted by the stroke of adjusting tooth bar 3.This gear rack cylinder can be used as pneumatic cylinder or oil hydraulic cylinder, and it is simple in structure, and it is convenient to manufacture, and installs also easily, and its manufacture cost declines to a great extent compared to existing technology.
?
referring to Fig. 4, Figure 5 shows that the clamp device that utilizes said gear rack cylinder, pass by the transmission shaft 5 at gear rack cylinder on the end of cylinder body 1 and fixedly mount shaft-like clamping element 11, the outer end of this shaft-like clamping element 11 has for being pressed on the compressed part on workpiece 10, by the to-and-fro motion of piston assembly 2, actuation gear 4 drives transmission shaft 5 to rotate, and then drive shaft-like clamping element 11 to swing, the compressed part of shaft-like clamping element 11 is pressed on workpiece 10, or departs from rotatably workpiece 10.So not only can utilize gear rack cylinder that driving force is provided, make swingingly workpiece pressing 10 of its compressed part that drives shaft-like clamping element 11, after workpiece 10 course of working finish, drive again shaft-like compression and case 11 backswings, depart from the clamped surface of workpiece 10, step down thereby form, facilitate workpiece 10 to take out after processing.
this clamp device can be used for the mode of plane and two pits in the clamping of workpiece 10.Traditional clamping mode is, after adopting plane and two pits to workpiece 10 location, hold down gag is set in addition to be again pressed on workpiece 10 on locating face 12, and hold down gag adopts lever-type structure conventionally, it often can not form the stepping down completely of workpiece 10 unclamping when clamping, is not easy to the taking-up of workpiece 10.This clamp device has solved the problems referred to above of traditional clamping mode well, makes workpiece more convenient operation in the time of clamping and positioning, has effectively improved manufacturing efficiency.
?
above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. a gear rack cylinder, comprise the cylinder body with inner chamber, can be located at movably vertically the piston assembly in the inner chamber of described cylinder body, it is characterized in that: described piston assembly comprises the piston that is positioned at both sides, be fixedly connected on the piston rod between piston described in both sides, on described piston rod, offer radially groove, on one side channel wall of described radially groove, be fixedly provided with tooth bar, the length bearing of trend of described tooth bar and the shaft axis of described piston rod are parallel to each other, described gear rack cylinder also comprises the transmission shaft being located in rotationally on described cylinder body, be located at the gear on described transmission shaft, on described transmission shaft, have at least one end to be positioned at outside described cylinder body, described transmission shaft is vertically through described radially groove, described in described gear is housed in radially in groove and the setting that is meshed with described tooth bar of described gear.
2. gear rack cylinder according to claim 1, is characterized in that: the shaft axis of described transmission shaft and the shaft axis of described cylinder body are mutually vertical and overlap with the radial centre lines of described cylinder body.
3. a clamp device, it is characterized in that: comprise the gear rack cylinder described in claim 1 or 2, described transmission shaft passes on the end outside described cylinder body shaft-like clamping element is installed regularly, and the outer end of described shaft-like clamping element has the compressed part for workpiece pressing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259328.5A CN103994124A (en) | 2014-06-12 | 2014-06-12 | Gear and rack cylinder and clamping device with same |
| PCT/CN2015/075638 WO2015188652A1 (en) | 2014-06-12 | 2015-04-01 | Gear rack cylinder and clamping device having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259328.5A CN103994124A (en) | 2014-06-12 | 2014-06-12 | Gear and rack cylinder and clamping device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103994124A true CN103994124A (en) | 2014-08-20 |
Family
ID=51308401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410259328.5A Pending CN103994124A (en) | 2014-06-12 | 2014-06-12 | Gear and rack cylinder and clamping device with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103994124A (en) |
| WO (1) | WO2015188652A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455405A (en) * | 2014-10-09 | 2015-03-25 | 平原机器厂（新乡） | Swinging cylinder and piston assembly thereof |
| WO2015188652A1 (en) * | 2014-06-12 | 2015-12-17 | 苏州劳灵精密机械有限公司 | Gear rack cylinder and clamping device having same |
| CN108757364A (en) * | 2018-05-23 | 2018-11-06 | 河南科技大学 | A kind of reciprocating liquid pump by rack pinion |
| CN109049155A (en) * | 2018-09-25 | 2018-12-21 | 萧进雄 | Vapour-pressure type gang drill self-locking mechanism |
| CN113084916A (en) * | 2021-04-02 | 2021-07-09 | 盐城市格瑞特机械有限公司 | Hydraulic swing arm type blanking machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220033A (en) * | 2019-07-12 | 2019-09-10 | 无锡爱圣拓克流体控制有限公司 | The rack-and-pinion pneumatic actuator of ultralong-stroke |
| TWI786458B (en) * | 2020-11-02 | 2022-12-11 | 財團法人工業技術研究院 | Processing system for complying surface profile of object and method for the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014598A (en) * | 1988-12-30 | 1991-05-14 | Neles-Jamesbury Corporation | Fluid pressure actuator |
| EP0598689A1 (en) * | 1992-10-16 | 1994-05-25 | Ingenjörsfirma Rason Aktiebolag | Actuator |
| CN1662747A (en) * | 2002-06-14 | 2005-08-31 | 株式会社开滋 | Pneumatic actuator |
| CN2898399Y (en) * | 2006-03-31 | 2007-05-09 | 王枭 | Gear and rack swing hydraulic cylinder |
| CN103115035A (en) * | 2013-02-28 | 2013-05-22 | 无锡气动技术研究所有限公司 | Circulatory rotation cylinder |
| CN203906445U (en) * | 2014-06-12 | 2014-10-29 | 苏州劳灵精密机械有限公司 | Gear rack cylinder and clamping device comprising same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4457210A (en) * | 1982-09-24 | 1984-07-03 | Pauliukonis Richard S | Rotary actuator with energy conservation |
| DE3535704A1 (en) * | 1985-10-05 | 1987-04-09 | Festo Kg | PISTON CYLINDER ARRANGEMENT |
| CN103994124A (en) * | 2014-06-12 | 2014-08-20 | 苏州劳灵精密机械有限公司 | Gear and rack cylinder and clamping device with same |
-
2014
- 2014-06-12 CN CN201410259328.5A patent/CN103994124A/en active Pending
-
2015
- 2015-04-01 WO PCT/CN2015/075638 patent/WO2015188652A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014598A (en) * | 1988-12-30 | 1991-05-14 | Neles-Jamesbury Corporation | Fluid pressure actuator |
| EP0598689A1 (en) * | 1992-10-16 | 1994-05-25 | Ingenjörsfirma Rason Aktiebolag | Actuator |
| CN1662747A (en) * | 2002-06-14 | 2005-08-31 | 株式会社开滋 | Pneumatic actuator |
| CN2898399Y (en) * | 2006-03-31 | 2007-05-09 | 王枭 | Gear and rack swing hydraulic cylinder |
| CN103115035A (en) * | 2013-02-28 | 2013-05-22 | 无锡气动技术研究所有限公司 | Circulatory rotation cylinder |
| CN203906445U (en) * | 2014-06-12 | 2014-10-29 | 苏州劳灵精密机械有限公司 | Gear rack cylinder and clamping device comprising same |
Non-Patent Citations (2)
| Title |
|---|
| 朱梅,等: "《液压与气动技术》", 30 June 2004, 西安电子科技大学出版社 * |
| 陈本通: "《液压传动机床夹具》", 31 December 1979, 江西人民出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015188652A1 (en) * | 2014-06-12 | 2015-12-17 | 苏州劳灵精密机械有限公司 | Gear rack cylinder and clamping device having same |
| CN104455405A (en) * | 2014-10-09 | 2015-03-25 | 平原机器厂（新乡） | Swinging cylinder and piston assembly thereof |
| CN108757364A (en) * | 2018-05-23 | 2018-11-06 | 河南科技大学 | A kind of reciprocating liquid pump by rack pinion |
| CN108757364B (en) * | 2018-05-23 | 2019-10-29 | 河南科技大学 | A kind of reciprocating liquid pump by rack pinion |
| CN109049155A (en) * | 2018-09-25 | 2018-12-21 | 萧进雄 | Vapour-pressure type gang drill self-locking mechanism |
| CN113084916A (en) * | 2021-04-02 | 2021-07-09 | 盐城市格瑞特机械有限公司 | Hydraulic swing arm type blanking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015188652A1 (en) | 2015-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103994124A (en) | Gear and rack cylinder and clamping device with same | |
| CN103727094B (en) | A kind of electro-hydraulic servo numerical control push rod device | |
| CN105263648B (en) | Stamping equipment | |
| JP3202409U (en) | Air compressor engine | |
| CN106536985A (en) | Torque reducer | |
| CN203906445U (en) | Gear rack cylinder and clamping device comprising same | |
| CN201979347U (en) | Indexing and positioning mechanism for multi-station machine tool | |
| US20160025080A1 (en) | Apparatus including swashplates fixed on shaft assembly and piston assemblies | |
| CN203176283U (en) | Linear action switching mechanism and hydraulic pump using same | |
| KR20160142533A (en) | Waterjet Pump | |
| CN201351645Y (en) | Oscillating hydraulic cylinder | |
| US9296055B2 (en) | Automatic threading machine | |
| CN207297485U (en) | A kind of electro-hydraulic driving swing mechanism | |
| CN104259508A (en) | Boring machine allowing simultaneous machining of more than two workpieces | |
| CN205763417U (en) | A kind of plungers pump plunger closing-in structure Closing in die | |
| CN104439012A (en) | Die-filling height adjustment device of MP hot die forging press | |
| CN210033744U (en) | Detachable quantitative plunger pump | |
| CN111059010B (en) | Eccentric wheel type high-pressure piston pump and method for positioning eccentric wheel of high-pressure piston pump | |
| CN204603733U (en) | A kind of combination cover precompressed accessory | |
| CN203476625U (en) | Inclined disc type axial plunger pump | |
| CN204253494U (en) | High speed and high pressure injection machine die cylinder | |
| CN103437971A (en) | Swash-plate axial plunger pump | |
| CN206590849U (en) | A kind of cylinder hinge arrangement with auto-lock function | |
| CN204052663U (en) | Rail distance rod makes and uses double end size reducing machine | |
| CN204148548U (en) | The boring machine of two or more workpiece can be processed simultaneously |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140820 |
|
| RJ01 | Rejection of invention patent application after publication |