CN101672259A - Gear slider type linear reciprocating mechanism - Google Patents
Gear slider type linear reciprocating mechanism Download PDFInfo
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- CN101672259A CN101672259A CN200910186112A CN200910186112A CN101672259A CN 101672259 A CN101672259 A CN 101672259A CN 200910186112 A CN200910186112 A CN 200910186112A CN 200910186112 A CN200910186112 A CN 200910186112A CN 101672259 A CN101672259 A CN 101672259A
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- gear
- linear reciprocating
- reciprocating mechanism
- type linear
- guide rod
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Abstract
The invention relates to a gear slider type linear reciprocating mechanism, comprising a reverse frame, a guide rod and a pair of gears with identical size and different rotation directions, wherein each gear is provided with a handle pin in a mirror symmetry manner; one end of the guide rod is connected with the reverse frame provided with two guide rails in parallel; the handle pin is sleeved with a slider in a rotary manner and is inserted between the two guide rails; a rolling body is arranged between the slider and the guide rails; the gears are cylindric gears or conical gears; two centrifugal balance blocks are arranged and respectively rotated with gears in a synchronic manner. The invention can realize linear reciprocation of the mechanism, increase bearing capability and reduce abrasion, and can be used for manufacturing compressors, vacuum pumps, engines, vibration dampers, bus machines, reciprocating sieves, reciprocating manipulators, reciprocating knitting heads and reciprocating feeding and discharging devices.
Description
Technical field
The invention belongs to mechanical engineering technical field, relate to a kind of reciprocating mechanism, relate to a kind of mechanism that adopts gear slider to realize straight reciprocating motion especially.
Background technique
Reciprocatory motion mechanism is widely used in compressor, motor and various fluid pump, its most typical form is a connecting rod, it mainly is made up of parts such as crank, connecting rod, pistons, wherein an end and the crank of connecting rod are rotatably assorted, the other end of connecting rod is connected with piston, realizes the reciprocating conversion with piston of rotatablely moving of crank thus.As everyone knows, the connecting rod of traditional crank linkage mechanism carries out work with the motion mode of swing, so the power that connecting rod affacts on the piston is the power of a swing, unquestionable it will cause piston that cylinder is produced to bounce and cause noise, and make piston produce bigger side pressure and increase frictional loss to cylinder.In order to overcome the above-mentioned drawback of traditional crank linkage mechanism, so people seek to realize the mechanism of linear reciprocation driven plunger, wherein a kind of linear reciprocating mechanism scheme is as shown in Figure 1 in the prior art, it has the identical gear of a pair of size 1,2, gear 1,2 are cylindrical gears and being meshing with each other and switched in opposite, their axis X 1, X2 is parallel to each other, at gear 1, mirror image respectively is provided with handle pin 11 symmetrically on 2,22, that is handle pin 11,22 turning radius is identical and rotatable phase is just in time anti-phase, handle pin 11,22 axis X 11, X22 and gear 1,2 axis X 1, X2 is parallel, also be provided with a seesaw frame 3 in addition, have the guide groove 33 of long straight shape on the seesaw frame 3, guide groove 33 is provided with two guide rail A that are parallel to each other, B, above-mentioned handle pin 11,22 insert simultaneously in the guide groove 33 and with guide rail A, B cooperates, perhaps at handle pin 11, on 22 behind the suit roller 4 again with guide rail A, B cooperates; This is outside equipped with piston 5, and piston 5 is slidingly matched with cylinder body 7 and is connected with reversing gear bracket 3 with guide rod 6.When gear 1,2 engagements are rotated, handle pin 11,22 on it will directly or indirectly affact on guide rail A, the B of guide groove 33, therefore and drive seesaw frame 3 and produce motion, be not difficult to find out, must do straight reciprocating motion based on the above-mentioned seesaw frame 3 of the cause of symmetry, the piston 5 of this moment also must be straight reciprocating motion.Yet practice is found, the above-mentioned linear reciprocating mechanism part that still has some deficits: at first, roller 4 is the line contact with contacting of guide rail A, B, and roller 4 touches two guide rail A, B up and down simultaneously, cause its rolling not smooth, therefore not only mechanism's bearing capacity is limited but also abrasion is serious; Secondly, only imprison in adopting cylindrical gears because of gear 1,2, it cooperates is again the outer gearing mode, so the layout underaction, and it is bigger to take up room, and mechanism is compact inadequately.
Summary of the invention
The invention provides a kind of gear slider type linear reciprocating mechanism, main purpose is the problem that solves the little and serious wear of mechanism's bearing capacity, and also having a purpose in addition is that the layout of improving mechanism makes its structure compact more.
The object of the present invention is achieved like this:
A kind of gear slider type linear reciprocating mechanism, it comprises: reversing gear bracket, guide rod is identical with a pair of size and the gear of switched in opposite, mirror image respectively is provided with a handle pin symmetrically on the described gear, one end of described guide rod is connected with reversing gear bracket, offer the two parallel guide rail on the reversing gear bracket, described handle pin inserts between two guide rails, rotating sleeve is equipped with slide block on the handle pin, described slide block places between two guide rails of reversing gear bracket and with guide rail and cooperates, and described gear is cylindrical gears or cone gear.
Be provided with rolling element between above-mentioned slide block and the guide rail.
Be provided with two centrifugal force type equilibrium blocks that rotation direction is opposite, they respectively rotate with one of them gear respectively synchronously.
Above-mentioned two equilibrium blocks are separately positioned on described two gears.
Above-mentioned equilibrium block is made up of some little equilibrium blocks.
Above-mentioned guide rail is yi word pattern or V-type layout.
Above-mentioned guide rod and reversing gear bracket are structure as a whole or are fastenedly connected or are articulated and connected.
One end of above-mentioned guide rod is connected with piston, and guide rod and piston are structure as a whole or are fastenedly connected or are articulated and connected.
Be set with guide pin bushing on the above-mentioned guide rod, guide pin bushing and guide rod are slidingly matched.
Be set with Sealing on the above-mentioned guide rod, Sealing and guide rod are sealed and matched.
Above-mentioned guide rod has two covers.
A kind of purposes of gear slider type linear reciprocating mechanism can be used to make compressor, vacuum pump, motor, damping shock absorption device, winding displacement machine, reciprocating machine hand, back and forth pin spins head, reciprocating screen, reciprocal feeding and material discharge device.
The present invention adopts slide block to cooperate the structure of guide rail, and area of contact increases greatly, thereby the bearing capacity of mechanism is improved; The structure of roller, needle roller or ball is arranged in employing between slide block and guide rail, can effectively reduce friction, and wearing and tearing also become littler; Adopt the cone gear structure, make original flat layout be improved to space multistory formula layout, so mechanism is compact more.
Description of drawings
Fig. 1 is the structural representation of a kind of linear reciprocating mechanism in the prior art;
Fig. 2 is the structural representation that the present invention adopts the yi word pattern guide rail;
Fig. 3 is slide block and a guide rail employing rolling element contacting structure schematic representation among the present invention;
Fig. 4 is the structural representation that the present invention adopts V-type rail;
Fig. 5 is that slide block and guide rail adopt rolling element contacting structure schematic representation among the present invention shown in Figure 4;
Fig. 6 is that the present invention adopts cone gear scheme, slide block and guide rail to adopt the vertical profile structural representation of rubbing contact;
Fig. 7 is an of the present invention cross-sectional structural representation shown in Figure 6;
Fig. 8 is the vertical profile structural representation that the present invention adopts cone gear scheme, slide block to contact with guide rail employing rolling element;
Fig. 9 is an of the present invention cross-sectional structural representation shown in Figure 8.
Embodiment
With specific embodiment the present invention is further described below, referring to Fig. 2-9:
Fig. 2 to Fig. 9 has provided the schematic representation of a kind of gear slider type linear reciprocating mechanism of the present invention, the label of part, title and function are inherited existing linear reciprocating mechanism shown in Figure 1 among the figure, wherein Fig. 2 to Fig. 5 is the gear slider type linear reciprocating mechanism based on cylindrical gears, and Fig. 6 to Fig. 9 is the gear slider type linear reciprocating mechanism based on cone gear.Gear slider type linear reciprocating mechanism of the present invention includes: the gear 1,2 of the identical and switched in opposite of a pair of size, gear 1,2 can adopt cylindrical gears also can adopt cone gear, gear 1,2 is directly engagement when adopting cylindrical gears, and gear 1,2 meshes with an intermediate gear 13 simultaneously when adopting cone gear, mirror image respectively is provided with a handle pin 11,22 symmetrically on the described gear 1,2, and so-called mirror image symmetry is meant that the turning radius of two handle pins 11,22 is identical and rotatable phase is just in time anti-phase; In any case rotate furtherly, be parallel to each other for their Gear axis X1, the X2 and handle pin axis X11, the X22 of handle pin 11,22 for the cylindrical gears for gear 1,2, and the moving plane that handle pin axis X11, X22 constitute remains parallel (allowing to exist certain foozle and assembly error) with the face of allocating of Gear axis X1, X2 formation; In any case same the rotation, be in coaxial state (allowing to exist certain foozle and assembly error) for gear 1,2 for their Gear axis X1, X2 for the cone gear, and be parallel to each other with handle pin axis X11, X22, and handle pin axis X11, X22 equate (allowing to exist certain foozle and assembly error) with Gear axis X1, X2 distance; When adopting cylindrical gears, two gears 1,2 are meshing with each other and switched in opposite, and the work surface of revolution of two gears 1,2 or be on the same plane or be on two planes that are parallel to each other; When adopting cone gear, two gears 1,2 mesh with a center tooth 13 simultaneously, and this moment, turning to of gear 1,2 also was opposite, and their working surface is parallel, aspectant, and at a distance of certain distance; In order to increase bearing capacity, the present invention is provided with two slide blocks 44 and is set on the described handle pin 11,22, slide block 44 is rotatably assorted with handle pin 11,22 and places between guide rail A, the B, described slide block 44 can be directly and guide rail A, B be slidingly matched and also rolling element 444 can be set between them, described rolling element 444 can be roller, needle roller or ball, so not only can increase the carrying surface of contact (line) of mechanism kinematic pairs, improved the bearing capacity of mechanism thus, also reduced friction simultaneously, made that wearing and tearing are littler; Need to prove that handle pin 11,22 is cylindric, can directly be rotatably assorted, also cooperate with the seat hole of slide block 44 again behind bearing of suit thereon in addition with the seat hole on the slide block 44; Be not difficult to find that after between slide block 44 and guide rail A, the B rolling element 444 being set, the rolling of the rolling element 444 that contacts with guide rail A turns to and turns to the rolling of the rolling element 444 that contacts with guide rail B is opposite; Obviously, after adopting cone gear, gear 1 and gear 2 are improved to by original flat layout and are aspectant space multistory layout, the space occupy-place of mechanism is less, so structure is compact, in addition, two guide rail A, B can adopt the topology layout of yi word pattern, also can adopt the topology layout of V-type, so layout will be more flexible; Undoubtedly, because the cause of handle pin 11,22 symmetrical anti-phase motion, the motion of reversing gear bracket 3 must be straight reciprocating motion (allowing to exist certain deviation), if piston 5 is connected with guide rod 6, then piston 5 also will obtain straight reciprocating motion, so they will can not produce too big bouncing to cylinder body 7; Guide rod 6 is articulated and connected, is fastenedly connected even be multiple mode such as integrally manufactured with can adopting being connected of piston 5, and similarly guide rod 6 is articulated and connected, is fastenedly connected even be multiple mode such as integrally manufactured with also can adopting being connected of reversing gear bracket 3; In order to prevent that guide rod 6 from the time shaking in work, a guide pin bushing 12 constraint guide rods 6 can be set, guide pin bushing 12 is sleeved on the shaft of guide rod 6 and also is slidingly matched with it; The shaft of guide rod 6 can be various roofbolt shapes such as cylindrical bar, oval mast, rectangle mast or other special-shaped masts, the shape of guide rod 6 can also be done the shape of the connecting rod that the present compressor of imaging or motor use always such as I-shaped shaft, tabular shape shaft or the like, in addition in order to prevent that lubricant oil from scurrying cylinder body 7 by gear chamber, Sealing 10 can be set be sealed and matched with guide rod 6, this moment, the shaft truncation surface of guide rod 6 was the best with circle or ellipse; Above-mentioned piston 5, guide rod 6 can be that single cover also can be two covers, and when adopting two cover pistons 5 and guide rod 6, they are the best with the layout of opposed type because the layout of such mechanism and stressed be best; It is to be noted, piston 5 is a kind of general references among the present invention, it can be the various pistons on compressor or the motor, also can be plunger or the piston on fluid pump or the damper, can also be functor such as rocker arm, reciprocal hook or the reciprocal slide block etc. of other reciprocator; In order to reduce the reciprocal inertia force that mechanism produces because of to-and-fro motion, two centrifugal force type equilibrium blocks 111 that rotation direction is opposite can be set, 222, they respectively rotate synchronously with one of them gear 1 or gear 2, described equilibrium block 111,222 size and phase place arrangement principle are to make equilibrium block 111 as far as possible, 222 centrifugal inertia forces that produced make a concerted effort with mechanism that all participate in the vector of making a concerted effort of the reciprocal inertia force that reciprocating component produce and are zero, equilibrium block 111 for this reason, 222 center of mass should be arranged in pairing handle pin 11 as far as possible, 22 and Gear axis X1, on the elongation line of the line of X2; Equilibrium block 111,222 can directly be arranged on the gear 1,2 and also can be provided with separately, for example is arranged on separately on the gear shaft, and each piece equilibrium block 111,222 can be whole one and also can be made up of a plurality of fritter equilibrium block equivalences.
The present invention compares with existing linear reciprocating mechanism, conclude and get up to have following benefit: at first, adopt slide block 44 to cooperate the organization plan of guide rail A, B, and be aided with rolling element 444, not only effectively increase the bearing capacity of mechanism, but also reduced friction and wear; In addition, adopt cone gear as gear 1,2, can be so that the space layout of mechanism be compact more, layout is more flexible.
In sum, the present invention can realize that the straight reciprocating motion of mechanism can reduce the root that mechanism produces noise again, its purposes can be used in compressor, vacuum pump, motor, damping shock absorption device, winding displacement machine, reciprocating machine hand, reciprocating screen, back and forth feeding and material discharge device, back and forth pin spins first-classly, can certainly be used for other various devices that need straight reciprocating motion.
The foregoing description is one of preferred embodiment of the present invention only, is not to limit protection scope of the present invention according to this, so: all various equivalences of doing according to structure of the present invention, shape and principle change, and all should be covered by within protection scope of the present invention.
Claims (12)
1, a kind of gear slider type linear reciprocating mechanism, it comprises: reversing gear bracket, guide rod is identical with a pair of size and the gear of switched in opposite, mirror image respectively is provided with a handle pin symmetrically on the described gear, one end of described guide rod is connected with reversing gear bracket, offer the two parallel guide rail on the reversing gear bracket, described handle pin inserts between two guide rails, it is characterized in that rotating sleeve is equipped with slide block on the handle pin, described slide block places between two guide rails of reversing gear bracket and with guide rail and cooperates, and described gear is cylindrical gears or cone gear.
2, a kind of gear slider type linear reciprocating mechanism according to claim 1 is characterized in that being provided with rolling element between described slide block and the guide rail.
3, a kind of gear slider type linear reciprocating mechanism according to claim 1 and 2 is characterized in that being provided with two centrifugal force type equilibrium blocks that rotation direction is opposite, and they respectively rotate with one of them gear respectively synchronously.
4, a kind of gear slider type linear reciprocating mechanism according to claim 3 is characterized in that described two equilibrium blocks are separately positioned on described two gears.
5, a kind of gear slider type linear reciprocating mechanism according to claim 3 is characterized in that described equilibrium block is made up of some little equilibrium blocks.
6, a kind of gear slider type linear reciprocating mechanism according to claim 3 is characterized in that described guide rail is yi word pattern or V-type layout.
7, a kind of gear slider type linear reciprocating mechanism according to claim 3 is characterized in that described guide rod and reversing gear bracket are structure as a whole or are fastenedly connected or are articulated and connected.
8, a kind of gear slider type linear reciprocating mechanism according to claim 3 is characterized in that an end of described guide rod is connected with piston, and guide rod and piston are structure as a whole or are fastenedly connected or are articulated and connected.
9, a kind of gear slider type linear reciprocating mechanism according to claim 3 is characterized in that being set with guide pin bushing on the described guide rod, and guide pin bushing and guide rod are slidingly matched.
10, according to the described a kind of gear slider type linear reciprocating mechanism of claim 3, it is characterized in that being set with Sealing on the described guide rod, Sealing and guide rod are sealed and matched.
11,, it is characterized in that described guide rod has two covers according to the described a kind of gear slider type linear reciprocating mechanism of claim 3.
12, a kind of purposes of gear slider type linear reciprocating mechanism can be used to make compressor, vacuum pump, motor, damping shock absorption device, winding displacement machine, reciprocating machine hand, back and forth pin spins head, reciprocating screen, reciprocal feeding and material discharge device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910186112A CN101672259A (en) | 2009-09-24 | 2009-09-24 | Gear slider type linear reciprocating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910186112A CN101672259A (en) | 2009-09-24 | 2009-09-24 | Gear slider type linear reciprocating mechanism |
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| CN101672259A true CN101672259A (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910186112A Pending CN101672259A (en) | 2009-09-24 | 2009-09-24 | Gear slider type linear reciprocating mechanism |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386959A (en) * | 2015-12-18 | 2016-03-09 | 常熟市制冷压缩机铸件厂 | Efficient energy-saving compressor |
| CN106954429A (en) * | 2017-03-29 | 2017-07-18 | 星光农机股份有限公司 | Transmission system |
| CN107476947A (en) * | 2017-09-30 | 2017-12-15 | 京华派克邯郸机械科技有限公司 | A kind of actuated by cams formula fluid power plant |
| CN107575358A (en) * | 2017-09-30 | 2018-01-12 | 京华派克邯郸机械科技有限公司 | A kind of rocking bar driven fluid power plant |
| CN108443106A (en) * | 2017-11-27 | 2018-08-24 | 南京塑维网络科技有限公司 | A kind of back and forth parallel rod-type transmission device and electric air pump |
| CN109139608A (en) * | 2018-10-29 | 2019-01-04 | 安徽中科光电色选机械有限公司 | A kind of novel rodless cylinder |
| CN109605150A (en) * | 2019-01-12 | 2019-04-12 | 陕西理工大学 | A kind of plane sanding and polishing machine |
| CN110454354A (en) * | 2019-08-21 | 2019-11-15 | 陈国庆 | A kind of vacuum pump that the photovoltaic ingot casting based on motor drive uses |
| CN112956313A (en) * | 2021-01-30 | 2021-06-15 | 张唯杰 | Agricultural seeding vehicle capable of efficiently separating seedlings |
| CN115025969A (en) * | 2022-06-20 | 2022-09-09 | 黑龙江省农业科学院耕作栽培研究所 | Mung bean seed screening equipment |
-
2009
- 2009-09-24 CN CN200910186112A patent/CN101672259A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386959A (en) * | 2015-12-18 | 2016-03-09 | 常熟市制冷压缩机铸件厂 | Efficient energy-saving compressor |
| CN106954429A (en) * | 2017-03-29 | 2017-07-18 | 星光农机股份有限公司 | Transmission system |
| CN107476947A (en) * | 2017-09-30 | 2017-12-15 | 京华派克邯郸机械科技有限公司 | A kind of actuated by cams formula fluid power plant |
| CN107575358A (en) * | 2017-09-30 | 2018-01-12 | 京华派克邯郸机械科技有限公司 | A kind of rocking bar driven fluid power plant |
| CN107476947B (en) * | 2017-09-30 | 2023-06-09 | 京华派克邯郸机械科技有限公司 | Cam-driven fluid power device |
| CN108443106A (en) * | 2017-11-27 | 2018-08-24 | 南京塑维网络科技有限公司 | A kind of back and forth parallel rod-type transmission device and electric air pump |
| CN109139608A (en) * | 2018-10-29 | 2019-01-04 | 安徽中科光电色选机械有限公司 | A kind of novel rodless cylinder |
| CN109605150A (en) * | 2019-01-12 | 2019-04-12 | 陕西理工大学 | A kind of plane sanding and polishing machine |
| CN110454354A (en) * | 2019-08-21 | 2019-11-15 | 陈国庆 | A kind of vacuum pump that the photovoltaic ingot casting based on motor drive uses |
| CN110454354B (en) * | 2019-08-21 | 2020-11-20 | 浙江西菱股份有限公司 | Vacuum pump for photovoltaic ingot casting based on motor transmission |
| CN112956313A (en) * | 2021-01-30 | 2021-06-15 | 张唯杰 | Agricultural seeding vehicle capable of efficiently separating seedlings |
| CN115025969A (en) * | 2022-06-20 | 2022-09-09 | 黑龙江省农业科学院耕作栽培研究所 | Mung bean seed screening equipment |
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Open date: 20100317 |