CN102658530B - A kind of have the hydraulically operated fixture and using method thereof that rotate with straight-line trajectory - Google Patents
A kind of have the hydraulically operated fixture and using method thereof that rotate with straight-line trajectory Download PDFInfo
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- CN102658530B CN102658530B CN201210143941.1A CN201210143941A CN102658530B CN 102658530 B CN102658530 B CN 102658530B CN 201210143941 A CN201210143941 A CN 201210143941A CN 102658530 B CN102658530 B CN 102658530B
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Abstract
The invention discloses a kind of hydraulically operated fixture and using method thereof having and rotating with straight-line trajectory, including hydraulic drive mechanism and movement locus controlling organization, described movement locus control part includes lining, fairlead and the guiding mechanism being arranged between, and described guiding mechanism includes sliding members and the gathering sill being mated.By the cooperate rectilinear motion and rotary motion that can complete piston rod of sliding members and gathering sill, by the rectilinear motion that piston rod is independent, workpiece can be installed when fixture rotates to ad-hoc location owing to gathering sill has one section of vertical slots；Higher with the use of making whole hydraulic mechanism automaticity due to lining and fairlead, mechanism is compacter；In the present invention, sliding members is ball, it is possible to reduce frictional force during motion, reduces the abrasion of contact part, it is ensured that the service life of hydraulic cylinder.
Description
Technical field
The present invention relates to hydraulic-driven field, particularly relate to a kind of hydraulically operated fixture and using method thereof having and rotating with straight-line trajectory.
Background technology
Hydraulic technique penetrates into a lot of field, constantly in civilian industry, significantly applied in industries such as lathe, engineering machinery, metallurgical machinery, plastics machinery, agriculture and forestry machinery, automobile, boats and ships and developed, and being developed into the complete automatic technology including transmission, control and detection.Now, one of hydraulicdriven degree important symbol having become one National Industrial level of measurement is adopted.
The clamping of industrial products is fixed it may be said that ubiquitous, and the requirement of clamping is different, and clamping method is also varied.It is mostly machinery clamping and manual operation.Along with the raising of production automation degree and production efficiency, in actual production, some production link, traditional mechanical clamping method can not meet the demand of manufacturing schedule, requires more and more higher to the quick and easy of product clamping and automaticity.The test link of such as hydraulic product, some function of one product of test has only to the time of about 3 minutes, if using traditional clamping method, the disassembly and assembly time of 4 ~ 6 fixing screws but wants the time of about 5 minutes altogether, thus greatly reduces work efficiency.
For solving the problems referred to above, if China's Authorization Notice No. is the patent of invention of CN2308758, proposing one " having the hydraulic cylinder of spinfunction ", the hydraulic cylinder of this structure is that the power-assist guiding mechanism forcing piston rod to rotate by setting between cylinder body and piston rod realizes being rotationally advancing.Power-assist guider therein is two spiral guide slots diametrically offered on the fixing cylinder sleeve of inner surface of cylinder block or piston rod, corresponding is provided with, at the outer surface of piston rod or the inner surface of cylinder sleeve, the bearing pin stretched out, the two ends socket bearing of bearing pin, bearing splits in spiral guide slot.Owing to guiding member rotating adopts bearing, the radial dimension of such hydraulic cylinder must strengthen.And the cylinder interior of the hydraulic cylinder of this structure is provided with cylinder sleeve, the two ends of piston are provided with piston rod, in order to ensure the spinning movement between the piston rod of one end and cylinder body, the length of hydraulic cylinder body also must increase accordingly, thus it is relatively larger to result in the overall structure size of hydraulic cylinder.
Therefore, again just like China Authorization Notice No. be the patent of invention of CN201184334, a kind of " rotatable hydraulic cylinder " is proposed, the hydraulic cylinder of this structure is to connect piston rod set by the bottom of cylinder body is fixing, the piston rod of piston one end can slip in piston rod set, and rotary guiding device be set between piston rod and piston bush realize being rotationally advancing.Rotary guiding device therein is the rotary steering groove arranged on piston rod set or piston rod, the inner surface of the outer surface of corresponding piston rod or piston rod set is fixedly installed pin, fixing connection is overlapped with piston rod or piston rod in one end of pin, and the other end is stuck in rotary steering groove and slides along gathering sill.The hydraulic cylinder of this structure overcomes the defect that hydraulic cylinder overall structure size is relatively larger, but guiding member rotating adopts pin, increases the frictional force of motion, seriously reduces the service life of hydraulic cylinder.
Use existing hydraulic cylinder all can realize the rotary motion of piston rod.But the disclosed hydraulic cylinder structure of above-mentioned two patent is all realize by being respectively provided with piston rod at the two ends of piston, wherein the piston rod of one end coordinates offer to rotate with body, the piston rod of the other end is then rotationally advancing motion for output, therefore the entire length of above-mentioned hydraulic cylinder is relatively larger, and structure is also complex.Hydraulic cylinder structure all can not meet the hydraulic cylinder requirement as clamping tool, i.e. the overall structure compact dimensions of hydraulic cylinder, the feature of high-frequent reciprocating motion.
Summary of the invention
It is an object of the invention to propose a kind of hydraulically operated fixture having and rotating with straight-line trajectory, there is rectilinear motion to realize clamping function, and there is rotary motion and with the installation that workpiece can be allowed without hindrance and fix；And structure is compacter, be briefly capable of being installed efficiently and dismantling.
For reaching this purpose, the present invention by the following technical solutions:
A kind of have the hydraulically operated fixture rotated with straight-line trajectory, including hydraulic drive mechanism and movement locus controlling organization, described movement locus control part includes lining, fairlead and the guiding mechanism being arranged between, and described guiding mechanism includes sliding members and the gathering sill being mated.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described hydraulic-driven part includes cylinder body, piston, piston rod and is arranged on the pressure arm of piston rod one end, described piston is arranged on the other end of described piston rod and cylinder body is separated into two chambers, the side with described piston rod is rod chamber, opposite side is rodless cavity, and described rod chamber and rodless cavity are respectively connected with oil inlet and outlet.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described lining is fixed on internal piston, and is provided with described sliding members；Described fairlead is fixed on cylinder base, and extends to described bush inside, and described fairlead arranges described gathering sill.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described gathering sill at least has a vertical slots or helicla flute.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described gathering sill includes a vertical slots and a helicla flute connected with vertical slots.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described sliding members is ball, and described ball half is positioned in the ball cover being arranged on described lining, and second half is positioned at gathering sill.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described sliding members is bearing, and described bearing is positioned at gathering sill, and is arranged on the bearing pin being arranged on lining.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described piston and piston rod are integral type structure, and described piston and piston rod are sealed by sealing device and cylinder body.
As the above-mentioned preferred version having and rotating the hydraulically operated fixture with straight-line trajectory, described hydraulically operated fixture also includes the ring flange being arranged on described cylinder body.
The using method of a kind of hydraulically operated fixture with rotation and straight-line trajectory being arranged on hydraulic pump testboard, it is characterised in that including:
Step one: being arranged on the sleeve flange assembly of motor by least two hydraulically operated fixture, hydraulically operated fixture is uniformly arranged about the center of motor, hydraulically operated fixture is when original state, and its pressure arm bare terminal end is positioned at the distalmost end from motor center；
Step 2: hydraulic pump to be measured is connected with motor by motor coupler and sleeve flange assembly；
Step 3: the rod chamber of hydraulically operated fixture starts oil-feed, piston rod drives pressure arm half-twist to stop the rotation, and now pressure arm is positioned at the top of test solution press pump ring flange；
Step 4: rod chamber continues oil-feed, piston rod drives pressure arm to do rectilinear motion, the ring flange of pressure arm clamping test solution press pump, makes test solution press pump maintain static, and rod chamber stops oil-feed, but retaining clip clamp force is constant；
Step 5: test solution press pump is tested by motor；
Step 6: after having tested, hydraulic cylinder rodless cavity starts oil-feed, and piston rod drives pressure arm to do rectilinear motion, makes pressure arm depart from the ring flange of hydraulic pump；
Step 7: after pressure arm departs from hydraulic pump flange dish, rodless cavity continues oil-feed, and piston rod drives pressure arm to do 90 ° rotations reciprocal relative to the direction of step 3, pressure arm returns to original state, space is conceded in dismounting for hydraulic pump, takes off test solution press pump, and enters next test step.
The invention have the benefit that and the invention provides a kind of hydraulically operated fixture having and rotating with straight-line trajectory, including hydraulic drive mechanism and movement locus controlling organization, movement locus control part includes lining, fairlead and the guiding mechanism being arranged between, guiding mechanism includes sliding members and the gathering sill being mated, the cooperate rectilinear motion and rotary motion that can complete piston rod by sliding members and gathering sill, by the rectilinear motion that piston rod is independent, workpiece can be installed when fixture rotates to ad-hoc location owing to gathering sill has one end vertical slots；Higher with the use of making whole hydraulic mechanism automaticity due to lining and fairlead, mechanism is compacter.
Accompanying drawing explanation
Fig. 1 is the hydraulically operated fixture integrated machine composition with rotation and straight-line trajectory that the specific embodiment of the invention 1 provides.
Fig. 2 is the use state diagram of the hydraulically operated fixture with rotation and straight-line trajectory that the specific embodiment of the invention 1 provides.
Fig. 3 is the partial enlarged drawing at Fig. 2 " I " place that the specific embodiment of the invention 1 provides.
Fig. 4 is the hydraulically operated fixture integrated machine composition with rotation and straight-line trajectory that the specific embodiment of the invention 2 provides.
Wherein: 1: hydraulically operated fixture；2: motor；3: motor support base；4: tested hydraulic pump；11: hydraulic drive mechanism；12: movement locus controlling organization；21: sleeve flange assembly；22: motor coupler；111: cylinder body；112: piston；113: piston rod；114: oil inlet and outlet；115: pressure arm；116: ring flange；121: lining；122: fairlead；123: guiding mechanism；1111: rod chamber；1112: rodless cavity；1211: ball cover；1231: sliding members；1232: gathering sill；12321: vertical slots；12322: helicla flute.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with accompanying drawing and by detailed description of the invention.
Embodiment 1
As shown in figures 1 and 3, this hydraulically operated fixture 1 includes hydraulic drive mechanism 11 and movement locus controlling organization 12, hydraulic drive mechanism includes: cylinder body 111, piston 112, piston rod 113 and be arranged on the guiding mechanism 123 between piston 112 and cylinder body 111, guiding mechanism is for controlling lifting and the rotation of piston rod 113, piston 112 is arranged on one end of piston rod 113, and both are integral type structure, cylinder body 111 is divided into two chambers by piston 112, the side with piston rod 113 is rod chamber 1111, opposite side is rodless cavity 1112, two chambers are respectively connected with oil inlet and outlet 114, hydraulic drive mechanism 11 also includes the pressure arm 115 being arranged on piston rod 113 other end and the ring flange 116 being arranged on cylinder body 111.
Movement locus controlling organization 12 includes lining 121, fairlead 122 and the guiding mechanism 123 being arranged between, guiding mechanism 123 includes sliding members 1231 and the gathering sill 1232 being matched therewith, lining 121 is provided with sliding members 1231, and it is internal to be fixed on piston 112, sliding members 1231 is ball or bearing, but is not limited only to this；Fairlead 122 is fixed on bottom cylinder body 111 and stretches into the inside of lining 121; fairlead 122 is provided with the gathering sill 1232 matched with sliding members 1231; being positioned partially or entirely in gathering sill 1232 of sliding members 1231, and guarantee that sliding members 1231 can re-direct slip in groove 1232.
Gathering sill 1232 at least has a vertical slots 12321 or helicla flute 12322, specifically used situation according to hydraulically operated fixture 1, may determine that the quantity of vertical slots 12321 and helicla flute 12322 and position, determining that the length of helicla flute 12322 and position can make piston rod 113 do and rotate at any angle, the position and the such piston rod of length 113 that set vertical slots 12321 can do rectilinear motion in any angles and positions；Need piston rod 113 to do 90 ° in the present invention to be rotated in after rotation completes to need to do one section of vertical motion, as shown in Figure 3, select a vertical slots 12321 and a helicla flute communicated therewith 12322, vertical slots 12321 is arranged far from one end of piston rod 113, and helicla flute 12322 is positioned close to one end of piston rod 113.
Guiding mechanism 123 includes at least one pair of sliding members 1231 cooperated and gathering sill 1232, and guiding mechanism 123 includes two pairs of sliding members cooperated 1231 and gathering sill 1232 in this embodiment；Sliding members 1231 is ball or bearing, and when sliding members 1231 is ball, the half of ball is arranged in the ball cover 1211 being arranged on lining 121, its second half be arranged in gathering sill 1232, and guarantee that ball can roll along gathering sill 1232；When sliding members 1231 is bearing, bearing is arranged in gathering sill 1232, and bearing is arranged on the bearing pin being arranged on lining 121, and guarantees that bearing can roll along gathering sill 1232；In order to reduce frictional force during motion, reduce the abrasion of contact part, it is ensured that in the service life of hydraulic cylinder, sliding members 1231 is ball in the present invention.
nullIn real work, the oil inlet and outlet of rod chamber 1111 starts oil-feed，Piston 112 is subject to fluid pressure，Lining 121 is fixed on piston 112，Lining 121 can be subject to the effect of fluid pressure equally，It is arranged on the sliding members 1231 on lining 121 to move along gathering sill 1232，Owing to gathering sill 1232 initial segment of guiding mechanism 123 is helicla flute 1422，So piston 112 does 90 ° of rotations under the drive of lining 121，Then sliding members 1231 can enter vertical slots 1422，In like manner，Piston 112 does rectilinear motion under the drive of lining 121，Owing to piston 13 and piston rod 113 are integral type structure，Piston rod 113 can complete the motion identical with piston 112，When the restriction that sliding members 1231 is subject to extraneous held part can not be further continued for moving downward，Stop oil-feed but keep oil pressure，At this moment the pressure arm 115 being arranged on piston rod 113 other end can compress held part；After test completes, the oil inlet and outlet of rodless cavity 1112 starts oil-feed, at this moment, piston 112 can first do rectilinear motion under the drive of lining 121, the pressure arm 6 and the held part that make piston rod 113 other end separate, and then do 90 ° of rotations, and space is conceded in the dismounting for held part.
Embodiment 2
In this embodiment: as shown in Figure 4, movement locus controlling organization 12 ＇ includes lining 121 ＇, fairlead 122 ＇ and guiding mechanism 123 ＇ being arranged between, guiding mechanism 123 ＇ includes sliding members 1231 ＇ and gathering sill 1232 ＇ being matched therewith, lining 121 ＇ is fixed on inside piston 112 ＇, fairlead 122 ＇ is fixed on bottom cylinder body 111 ＇ and stretches into the inside of lining 121 ＇, fairlead 122 ＇ is provided with sliding members 1231 ＇, sliding members 1231 ＇ is ball or bearing, but is not limited only to this；On lining 121 ＇ and be provided with being positioned partially or entirely in gathering sill 1232 ＇ of gathering sill 1232 ＇ matched with sliding members 1231 ＇, sliding members 1231 ＇, and guarantee that sliding members 1231 ＇ can re-direct in groove 1232 ＇ and slide.Other structures of this embodiment are identical with embodiment 1.
As shown in Figure 2, for a kind of hydraulic pump testboard with hydraulic chucks, it includes, it is arranged on the motor 2 on bearing 3, motor 2 is provided with sleeve flange assembly 21 and motor coupler 22, at least two hydraulically operated fixture 1 is fixed on sleeve flange assembly 21 by ring flange 17, and the center that hydraulically operated fixture 1 passes through relative to test solution press pump 4 is uniformly distributed.
The having using method rotating the hydraulically operated fixture with straight-line trajectory being arranged on hydraulic pump testboard is:
Step one: being arranged on the sleeve flange assembly of motor by least two hydraulically operated fixture, hydraulically operated fixture is uniformly arranged about the center of motor, hydraulically operated fixture is when original state, and its pressure arm bare terminal end is positioned at the distalmost end from motor center；
Step 2: will treat that hydraulic pump passes through motor coupler and sleeve flange assembly is connected with motor；
Step 3: the rod chamber of hydraulically operated fixture starts oil-feed, piston rod drives pressure arm half-twist to stop the rotation, and now pressure arm is positioned at the top of test solution press pump ring flange；
Step 4: rod chamber continues oil-feed, piston rod drives pressure arm to do rectilinear motion, the ring flange of pressure arm clamping test solution press pump, makes test solution press pump maintain static, and rod chamber stops oil-feed, but retaining clip clamp force is constant；
Step 5: test solution press pump is tested by motor；
Step 6: after having tested, hydraulic cylinder rodless cavity starts oil-feed, and piston rod drives pressure arm to do rectilinear motion, makes pressure arm depart from the ring flange of hydraulic pump；
Step 7: after pressure arm departs from hydraulic pump flange dish, rodless cavity continues oil-feed, and piston rod drives pressure arm to do 90 ° rotations reciprocal relative to step 3, pressure arm returns to original state, space is conceded in dismounting for hydraulic pump, takes off test solution press pump, and enters next test step.
The present invention is by the invention provides a kind of hydraulically operated fixture having and rotating with straight-line trajectory, including hydraulic drive mechanism and movement locus controlling organization, movement locus control part includes lining, fairlead and the guiding mechanism being arranged between, guiding mechanism includes sliding members and the gathering sill being mated, the cooperate rectilinear motion and rotary motion that can complete piston rod by sliding members and gathering sill, by the rectilinear motion that piston rod is independent, workpiece can be installed when fixture rotates to ad-hoc location owing to gathering sill has one section of vertical slots；Higher with the use of making whole hydraulic mechanism automaticity due to lining and fairlead, mechanism is compacter；In the present invention, sliding members is ball, it is possible to reduce frictional force during motion, reduces the abrasion of contact part, it is ensured that the service life of hydraulic cylinder.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explanation principles of the invention, and can not be construed to limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes fall within protection scope of the present invention.
Claims (8)
1. one kind has the hydraulically operated fixture rotated with straight-line trajectory, it is characterized in that, including hydraulic drive mechanism and movement locus controlling organization, described movement locus control part includes lining, fairlead and the guiding mechanism being arranged between, and described guiding mechanism includes sliding members and the gathering sill being mated；
Described lining is fixed on internal piston, and described fairlead is fixed on cylinder base, and extends to described bush inside；
Described lining or fairlead are provided with sliding members or gathering sill on one of them, and another is provided with gathering sill or sliding members accordingly.
2. according to claim 1 have the hydraulically operated fixture rotated with straight-line trajectory, it is characterized in that, described hydraulic-driven part includes cylinder body, piston, piston rod and is arranged on the pressure arm of piston rod one end, described piston is arranged on the other end of described piston rod and cylinder body is separated into two chambers, the side with described piston rod is rod chamber, opposite side is rodless cavity, and described rod chamber and rodless cavity are respectively connected with oil inlet and outlet.
3. according to claim 1 and 2 have the hydraulically operated fixture rotated with straight-line trajectory, it is characterised in that described lining is provided with described sliding members；Described fairlead arranges described gathering sill；
Described gathering sill at least has a vertical slots or helicla flute；
Described sliding members is ball, and described ball half is positioned in the ball cover being arranged on described lining, and another half is positioned at gathering sill.
4. according to claim 1 have the hydraulically operated fixture rotated with straight-line trajectory, it is characterised in that described gathering sill includes a vertical slots and a helicla flute connected with vertical slots.
5. according to claim 3 have the hydraulically operated fixture rotated with straight-line trajectory, it is characterised in that described sliding members is bearing, and described bearing is positioned at gathering sill, and is arranged on the bearing pin being arranged on lining.
6. according to claim 1 have the hydraulically operated fixture rotated with straight-line trajectory, it is characterised in that described piston and piston rod are integral type structure, and described piston and piston rod are sealed by sealing device and cylinder body.
7. according to claim 2 have the hydraulically operated fixture rotated with straight-line trajectory, it is characterised in that described hydraulically operated fixture also includes the ring flange being arranged on described cylinder body.
8. the using method of the hydraulically operated fixture with rotation and straight-line trajectory being arranged on hydraulic pump testboard, it is characterised in that including:
Step one: being arranged on the sleeve flange assembly of motor by least two hydraulically operated fixture, hydraulically operated fixture is uniformly arranged about the center of motor, hydraulically operated fixture is when original state, and its pressure arm bare terminal end is positioned at the distalmost end from motor center；
Step 2: hydraulic pump to be measured is connected with motor by motor coupler and sleeve flange assembly；
Step 3: the rod chamber of hydraulically operated fixture starts oil-feed, piston rod drives pressure arm half-twist to stop the rotation, and now pressure arm is positioned at the top of test solution press pump ring flange；
Step 4: rod chamber continues oil-feed, piston rod drives pressure arm to do rectilinear motion, the ring flange of pressure arm clamping test solution press pump, makes test solution press pump maintain static, and rod chamber stops oil-feed, but retaining clip clamp force is constant；
Step 5: test solution press pump is tested by motor；
Step 6: after having tested, hydraulic cylinder rodless cavity starts oil-feed, and piston rod drives pressure arm to do rectilinear motion, makes pressure arm depart from the ring flange of hydraulic pump；
Step 7: after pressure arm departs from hydraulic pump flange dish, rodless cavity continues oil-feed, and piston rod drives pressure arm to do 90 ° rotations reciprocal relative to the direction of step 3, pressure arm returns to original state, space is conceded in dismounting for hydraulic pump, takes off test solution press pump, and enters next test step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210143941.1A CN102658530B (en) | 2012-05-10 | 2012-05-10 | A kind of have the hydraulically operated fixture and using method thereof that rotate with straight-line trajectory |
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| CN201210143941.1A CN102658530B (en) | 2012-05-10 | 2012-05-10 | A kind of have the hydraulically operated fixture and using method thereof that rotate with straight-line trajectory |
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| CN102658530B true CN102658530B (en) | 2016-07-06 |
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| ITUA20162578A1 (en) * | 2016-03-25 | 2017-09-25 | Hydroblock S R L | DEVICE FOR PIECE LOCKING ON TOOL MACHINES |
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| CN113510729B (en) * | 2021-07-05 | 2022-06-17 | 东风鼎新动力系统科技有限公司 | Clamping jaw device for realizing linear and rotary compound motion through single drive |
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Owner name: BEIJING MECC HYDRAULIC CO., LTD. Free format text: FORMER OWNER: HEBEI ZHONGMAI ELECTROMECHANICAL EQUIPMENT CO., LTD. Effective date: 20121123 |
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Effective date of registration: 20121123 Address after: 100076, Beijing, Daxing District wins the south side of the town government, Beijing MCC Mike Hydraulic Co., Ltd. Applicant after: Beijing MECC Hydraulic Co., Ltd. Address before: South of Yongan street, Laishui Town, Laishui County, Baoding, Hebei Applicant before: Hebei Zhongmai Electromechanical Equipment Co., Ltd. |
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Effective date of registration: 20220323 Address after: 301800 room 300-6, building 3, Zhongguancun Science and Technology City collaborative development center, the intersection of Xihuan North Road and Tangtong highway, Baodi District, Tianjin Patentee after: MCC Mike (Tianjin) Hydraulic Technology Co.,Ltd. Address before: 100076 Beijing MCC Mike Hydraulic Co., Ltd., south of Yinghai town government, Daxing District, Beijing Patentee before: BEIJING MECC HYDRAULIC Co.,Ltd. |