CN105697259B - Skewed slot shifting axle metering pump - Google Patents
Skewed slot shifting axle metering pump Download PDFInfo
- Publication number
- CN105697259B CN105697259B CN201610263986.0A CN201610263986A CN105697259B CN 105697259 B CN105697259 B CN 105697259B CN 201610263986 A CN201610263986 A CN 201610263986A CN 105697259 B CN105697259 B CN 105697259B
- Authority
- CN
- China
- Prior art keywords
- shifting axle
- eccentric wheel
- tune amount
- skewed slot
- eccentric
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
Abstract
The invention discloses a kind of skewed slot shifting axle metering pumps, including cabinet, deceleration mechanism, regulating mechanism and eccentric metrological service are set on the cabinet, the deceleration mechanism and regulating mechanism are connect with eccentric metrological service, the eccentric metrological service includes shifting axle, eccentric wheel is set on the shifting axle, the eccentric wheel is set in outside shifting axle, sliding block is set between the eccentric wheel and shifting axle, the sliding block is fixedly connected with eccentric wheel, and the sliding block is slidably connected with shifting axle.The configuration of the present invention is simple, processing technology be high, small in size, at low cost, easy disassembling, it not only enormously simplifies the processing technology of shifting axle and eccentric wheel, reduce the quantity of part, and also enhance the bearing capacity of shifting axle, shifting axle in eccentric wheel can two-way range movement, the axial volume for greatly reducing pump, reduces manufacturing cost.
Description
Technical field
The present invention relates to metering pumps, more particularly, it relates to a kind of skewed slot shifting axle metering pump.
Background technique
Currently, metering pump is a kind of reciprocating pump of adjustable conveying fluid flow, has the characteristics that step-less adjustment flow.Such as
The present has been widely used in the industry fields such as pharmacy, water process and petrochemical industry.The flow of metering pump can be by changing stroke, punching
Journey number is adjusted.Metering pump is made of power source, running part and fluid power part etc., running part include deceleration mechanism,
Stroke control mechanism, cam link mechanism, and stroke control mechanism is the important component for the adjusting flow that metering pump changes stroke.
Up to the present, the stroke control mechanism of metering pump mostly uses greatly N-type crankshaft stroke regulating mechanism and whole eccentric wheel in the market
Stroke control mechanism two major classes.And these stroke control mechanisms all have some disadvantages: the structure of N-type crankshaft stroke regulating mechanism
It is complex-shaped, processing technology is poor, be also easy to produce stress concentration；The big heavy, manufacture of whole throw of eccentric regulating mechanism volume
At high cost, dismounting difficulty, shifting axle integral strength are poor.
Summary of the invention
It is existing above-mentioned it is an object of the invention to solve the problems, such as, provide a kind of skewed slot shifting axle metering pump.
In order to achieve the above object, the technical scheme is that a kind of skewed slot shifting axle metering pump, including cabinet, it is described
Deceleration mechanism, regulating mechanism and eccentric metrological service be set on cabinet, and the deceleration mechanism and regulating mechanism are and eccentricity indicator
Measuring mechanism connection, the eccentric metrological service includes shifting axle, and eccentric wheel, the eccentric wheel are arranged on the shifting axle
It being set in outside shifting axle, sliding block is set between the eccentric wheel and shifting axle, the sliding block is fixedly connected with eccentric wheel,
The sliding block is slidably connected with shifting axle.
Optionally, the shifting axle includes connecting shaft and sliding shoe, and the connecting shaft is fixedly connected with sliding shoe, sliding
Two parallel sliding slots are set on motion block, skewed slot is set on the sliding slot.
Optionally, chute hole is set on the eccentric wheel, and the chute hole setting is described in eccentric wheel center
Eccentric wheel on also set up sliding block mounting hole, the sliding block mounting hole is corresponding with chute hole.
Optionally, the regulating mechanism includes tune amount screw rod and tune amount seat, and the tune amount cover for seat is located at tune amount screw rod
Tune amount handwheel is arranged in outside, the tune amount screw rod upper end, and the tune amount handwheel is fixedly connected with tune amount screw rod, the tune
It measures screw lower end and shifting axle is set, the shifting axle is flexibly connected with tune amount screw rod.
Optionally, retaining mechanism and positioning mechanism, the retaining mechanism and positioning mechanism are set on the tune amount seat
It is fixedly connected with tune amount seat.
Optionally, the retaining mechanism includes check lock lever, and latch segment, the locking is arranged in described check lock lever one end
Set lever is arranged in the bar other end, and the latch segment is bonded with check lock lever, and the set lever is fixedly connected with check lock lever.
Optionally, the positioning mechanism includes locating rod, and positioning screw, the positioning are arranged in the locating rod
Screw rod is fixedly connected with locating rod.
Optionally, cam link mechanism is also set up on the cabinet, the cam link mechanism is connect with cabinet.
Optionally, the cam link mechanism includes slide bar and connecting rod, and connecting rod is arranged between the slide bar and connecting rod
Pin, the slide bar are connect by link pin with connecting rod.
Optionally, the deceleration mechanism includes worm gear and worm screw, and driving motor, the drive are arranged on the worm screw
Dynamic motor is connect by shaft coupling with worm screw.
The invention has the following advantages: structure is simple, processing technology is high, small in size, at low cost, easy disassembling,
Shifting axle integral strength is high, is radially slided and is matched with eccentric wheel by shifting axle, not only enormously simplifies shifting axle and bias
The processing technology of wheel, the quantity for reducing part, and the bearing capacity of shifting axle is also enhanced, sliding block one end is mounted on shifting axle
In the skewed slot that sliding slot is equipped with, the other end is threaded through in the sliding block mounting hole of eccentric wheel, makes shifting axle in the drive of tune amount screw rod
Under also to do radial disbalance mobile for eccentric wheel while axially move, shifting axle in eccentric wheel can two-way range movement, greatly
The axial volume for reducing pump greatly, reduces manufacturing cost.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure of the invention；
Fig. 2 is another the schematic diagram of the section structure of the invention
Fig. 3 is a kind of structural schematic diagram of eccentric metrological service；
Fig. 4 is a kind of structural schematic diagram of shifting axle；
Fig. 5 is a kind of structural schematic diagram of eccentric wheel；
Fig. 6 is a kind of structural schematic diagram of regulating mechanism；
Fig. 7 is a kind of structural schematic diagram of adjustment seat.
100, deceleration mechanism；200, regulating mechanism；1, drive rod motor；2, shaft coupling；3, eccentric metrological service；4, snail
Bar；5, worm gear；6, worm gear support base；7, end cap；8, tune amount handwheel；9, tune amount screw rod；10, tune amount seat；11, retaining mechanism；12,
Positioning mechanism；13, Mobile base；14, travelling nut；17, shifting axle；81, tune amount handle；82, fixing sleeve；111, check lock lever；
112, latch segment；113, set lever；121, positioning screw；122, locating rod；15, tapered roller bearing；16, mobile axle bearing
Seat；17, shifting axle；18, sliding block；19, eccentric wheel；20, guide sleeve；171, connecting shaft；172, sliding shoe；173, sliding slot；174,
Skewed slot；191, chute hole；192, sliding block mounting hole；193, fixed ring；21, key；22, cabinet；23, slide bar；24, link pin；25,
Connecting rod.
Specific embodiment
Combined with specific embodiments below, and in conjunction with attached drawing, further description of the technical solution of the present invention:
Embodiment: deceleration mechanism is arranged on cabinet 22 for skewed slot shifting axle metering pump (see attached drawing 1-7), including cabinet 22
100, regulating mechanism 200 and eccentric metrological service 3, deceleration mechanism 100 and regulating mechanism 200 are connect with eccentric metrological service 3,
Eccentric metrological service 3 includes shifting axle 17, eccentric wheel 19 is arranged on the shifting axle 17, the eccentric wheel 19 is set in shifting
Outside moving axis 17, sliding block 18 is set, the sliding block 18 and eccentric wheel 19 are fixed between the eccentric wheel 19 and shifting axle 17
Connection, the sliding block 18 are slidably connected with shifting axle 17, and the shifting axle 17 includes connecting shaft 171 and sliding shoe 172, institute
The connecting shaft 171 stated is fixedly connected with sliding shoe 172, and two parallel sliding slots 173 are arranged on the sliding shoe 172, described
Sliding slot 173 on skewed slot 174 is set, chute hole 191 is set on the eccentric wheel 19, and the chute hole 191 is arranged inclined
19 center of heart wheel also sets up sliding block mounting hole 192, the sliding block mounting hole 192 and sliding slot on the eccentric wheel 19
Hole 191 is corresponding, and fixed ring 193 is arranged on the eccentric wheel 19, and the fixed ring 193 is fixedly connected with eccentric wheel 19,
Guide sleeve 20 is set on the shifting axle 17, and the guide sleeve 20 is set in the outside of 17 end of shifting axle.
Regulating mechanism 200 includes tune amount screw rod 9 and tune amount seat 10, and the tune amount seat 10 is set in outside tune amount screw rod 9,
Tune amount handwheel 8 is arranged in 9 upper end of tune amount screw rod, and the tune amount handwheel 8 is fixedly connected with tune amount screw rod 9, the tune
It measures 9 lower end of screw rod and shifting axle 17 is set, the shifting axle 17 is flexibly connected with tune amount screw rod 9, sets on the tune amount seat 10
Retaining mechanism 11 and positioning mechanism 12 are set, the retaining mechanism 11 and positioning mechanism 12 are fixedly connected with tune amount seat 10, institute
The retaining mechanism 11 stated includes check lock lever 111, and latch segment 112, the check lock lever 111 is arranged in described 111 one end of check lock lever
Set lever 113 is arranged in the other end, and the latch segment 112 is bonded with check lock lever 111, the set lever 113 and locking
Bar 111 is fixedly connected, and the positioning mechanism 12 includes locating rod 122, and positioning screw 121 is arranged in the locating rod 122,
The positioning screw 121 is fixedly connected with locating rod 122, and Mobile base 13, the movement are arranged on the shifting axle 17
Seat 13 is threadedly coupled with tune amount screw rod 9, and travelling nut 14, the travelling nut 14 and movement are arranged on the Mobile base 13
Axis 17 is threadedly coupled, and the travelling nut 14 is fixedly connected with Mobile base 13, the tune amount screw rod 9 and tune amount handwheel 8 it
Between fixing sleeve 82 is set, the tune amount screw rod 9 is fixedly connected by fixing sleeve 82 with tune amount handwheel 8, the tune amount handwheel 8
Upper setting tune amount handle 81, the tune amount handle 81 are fixedly connected with tune amount handwheel 8.
Cam link mechanism is also set up on cabinet 22, the cam link mechanism is connect with cabinet 22, the cam
Link mechanism includes slide bar 23 and connecting rod 25, and link pin 24, the slide bar 23 are arranged between the slide bar 23 and connecting rod 25
It is connect by link pin 24 with connecting rod 25, deceleration mechanism 100 includes worm gear 5 and worm screw 4, setting driving electricity on the worm screw 4
Machine 1, the driving motor 1 are connect by shaft coupling 0 with worm screw 4.
The slowing-down structure of metering pump is directly to be connect with worm screw by driving motor by shaft coupling, and worm screw passes through deep-groove ball
Bearing is mounted on the upper of cabinet, and worm gear is mounted on cabinet inside by worm gear support base and end cap, and worm and worm wheel are in cabinet
Inside engagement assembling, the worm gear are directly slided by worm gear support base and are rotatably mounted on end cap, reduce pump in this way
Number of parts, and reduce the volume of cabinet, greatly reduce the manufacturing cost of pump；Driving motor 1 passes through worm screw 4, worm gear 5
Shifting axle 17 is driven to rotate, while shifting axle 17 does linear reciprocating motion with movable eccentric wheel 19, slide bar 23, connecting rod 25.When tune amount
When screw rod 9 moves axially, shifting axle 17 also axially moves simultaneously, since sliding block 18 and eccentric wheel 19 cannot axially move,
Sliding block 18 moves radially in the skewed slot of shifting axle 17, band movable eccentric wheel 19 can only do radial motion, its eccentricity is enable to change
Become, the movement travel of slide bar 23 changes correspondingly.
Eccentric metrological service, which is radially slided by shifting axle with eccentric wheel, to be matched, not only enormously simplify shifting axle and partially
The processing technology of heart wheel, the quantity for reducing part, and the bearing capacity of shifting axle is also enhanced, sliding block one end is mounted on movement
In the skewed slot that axis sliding slot is equipped with, the other end is threaded through in the sliding block mounting hole of eccentric wheel, makes shifting axle in the band of tune amount screw rod
It is mobile also to do radial disbalance for eccentric wheel while axially moving under dynamic, shifting axle in eccentric wheel can two-way range movement,
The axial volume for greatly reducing pump, reduces manufacturing cost, and the sliding slot that shifting axle both sides are symmetrically arranged with directly is opened with eccentric wheel
Some chute holes, which radially slide, to be matched, and the cross-sectional area of sliding slot access section is increased, and the skewed slot that shifting axle sliding slot is equipped with does not have
There is the sliding block mounting hole through shifting axle, eccentric wheel also not extend through eccentric wheel, not only greatly strengthens shifting axle and eccentric wheel
Integral strength, but also substantially increase the integrated carrying ability of pump, fixed ring for eccentric wheel to be fixed in metering pump,
Prevent eccentric wheel position from moving, guide sleeve plays the guiding role of shifting axle, guarantees the accuracy of shifting axle radial motion.
The tune amount seat of regulating mechanism rotates tune amount screw rod by rotation tune amount handwheel, in turn for fixing tune amount screw rod
The position for adjusting shifting axle realizes the adjusting for measuring pump duty, and measure pump-regulating mechanism can individually organize installation and dismantling
Replacement is unloaded, assembly time is substantially reduced, improves the accuracy of assembly, reduces the assembly maintenance cost of metering pump, tune amount
Locking of the retaining mechanism for tune amount screw rod on seat clamps, and positioning mechanism is used for the positioning action of tune amount screw rod, rotation lock
The drive check lock lever of the set lever of mechanism, set lever is mobile, and then latch segment is pushed to lock tune amount screw rod, is turned using tool
Dynamic positioning screw, positioning screw drive locating rod mobile, realize the purpose of tune amount screw rod positioning, Mobile base is for fixed mobile spiral shell
Mother rotates Mobile base, and the initial position of shifting axle is adjusted by travelling nut, and He Tiaoliang screw rod collective effect realizes metering
The accurate adjusting adjusted and measure numerical intervals of pump, fixing sleeve can be played for fixing tune amount screw rod and tune amount handwheel
The purpose of tune amount screw rod, tune amount handle can be convenient rotation tune amount handwheel, facilitate the single dose for adjusting the output of metering pump.
Above-mentioned specific embodiment is used to illustrate the present invention, rather than limits the invention, of the invention
In spirit and scope of protection of the claims, to any modifications and changes that the present invention makes, protection model of the invention is both fallen within
It encloses.
Claims (7)
1. a kind of skewed slot shifting axle metering pump, characterized in that deceleration mechanism is arranged including cabinet, on the cabinet, adjusts machine
Structure and eccentric metrological service, the deceleration mechanism and regulating mechanism are connect with eccentric metrological service, the eccentric metering
Mechanism includes shifting axle, and eccentric wheel is arranged on the shifting axle, and the eccentric wheel is set in outside shifting axle, and described is inclined
Sliding block is set between heart wheel and shifting axle, and the sliding block is fixedly connected with eccentric wheel, and the sliding block and shifting axle sliding connect
It connects, the shifting axle includes connecting shaft and sliding shoe, and the connecting shaft is fixedly connected with sliding shoe, and two are arranged on sliding shoe
Skewed slot is arranged on the sliding slot in a parallel sliding slot, and chute hole is arranged on the eccentric wheel, and the chute hole setting exists
Eccentric wheel center also sets up sliding block mounting hole on the eccentric wheel, and the sliding block mounting hole is corresponding with chute hole,
Fixed ring is set on the eccentric wheel, and the fixed ring is fixedly connected to prevent the eccentric wheel position from occurring with the eccentric wheel
Mobile, the regulating mechanism includes tune amount screw rod and tune amount seat, and the tune amount cover for seat is located at outside tune amount screw rod, described
Tune amount handwheel is arranged in tune amount screw rod upper end, and the tune amount handwheel is fixedly connected with tune amount screw rod, the tune amount screw lower end
Shifting axle is set, the shifting axle is flexibly connected with tune amount screw rod, Mobile base is set on the shifting axle, the Mobile base and
Tune amount wire rod thread connects, and travelling nut is arranged on the Mobile base, the travelling nut is threadedly coupled with shifting axle, the shifting
Dynamic nut is fixedly connected with Mobile base.
2. skewed slot shifting axle metering pump according to claim 1, characterized in that retaining mechanism is arranged on the tune amount seat
And positioning mechanism, the retaining mechanism and positioning mechanism are fixedly connected with tune amount seat.
3. skewed slot shifting axle metering pump according to claim 2, characterized in that the retaining mechanism includes check lock lever,
Latch segment is arranged in described check lock lever one end, and set lever, the latch segment and locking is arranged in the check lock lever other end
Bar fitting, the set lever are fixedly connected with check lock lever.
4. skewed slot shifting axle metering pump according to claim 2, characterized in that the positioning mechanism includes locating rod,
Positioning screw is set in the locating rod, and the positioning screw is fixedly connected with locating rod.
5. skewed slot shifting axle metering pump according to claim 1-4, characterized in that also set up on the cabinet
Cam link mechanism, the cam link mechanism are connect with cabinet.
6. skewed slot shifting axle metering pump according to claim 5, characterized in that the cam link mechanism includes slide bar
And connecting rod, link pin is set between the slide bar and connecting rod, and the slide bar is connect by link pin with connecting rod.
7. skewed slot shifting axle metering pump according to claim 1-4, characterized in that the deceleration mechanism includes
Worm gear and worm screw, driving motor is arranged on the worm screw, and the driving motor is connect by shaft coupling with worm screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610263986.0A CN105697259B (en) | 2016-04-26 | 2016-04-26 | Skewed slot shifting axle metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610263986.0A CN105697259B (en) | 2016-04-26 | 2016-04-26 | Skewed slot shifting axle metering pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105697259A CN105697259A (en) | 2016-06-22 |
| CN105697259B true CN105697259B (en) | 2019-03-05 |
Family
ID=56217601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610263986.0A Active CN105697259B (en) | 2016-04-26 | 2016-04-26 | Skewed slot shifting axle metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697259B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974714A (en) * | 1974-10-01 | 1976-08-17 | Lewa Herbert Ott Kommanditgesellschaft | Pump driving mechanism with adjustable stroke |
| CN2338505Y (en) * | 1998-06-10 | 1999-09-15 | 常州市江南电力设备厂 | Mechanical diaphragm type metering pump |
| CN2756866Y (en) * | 2004-12-28 | 2006-02-08 | 浙江工业大学 | Travel regulation mechanism for metering pump |
| CN201078323Y (en) * | 2007-07-12 | 2008-06-25 | 储岳海 | High-precision diaphragm metering pump with adjustable flow quantity and no pulsation |
| CN201531385U (en) * | 2009-09-17 | 2010-07-21 | 德帕姆(杭州)泵业科技有限公司 | Measuring pump for sleeve type regulating mechanism |
| CN201696279U (en) * | 2009-11-10 | 2011-01-05 | 德帕姆(杭州)泵业科技有限公司 | Metering pump for eccentric stroke regulating mechanism |
| CN205592086U (en) * | 2016-04-26 | 2016-09-21 | 德帕姆(杭州)泵业科技有限公司 | Chute removes axle measuring pump |
-
2016
- 2016-04-26 CN CN201610263986.0A patent/CN105697259B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974714A (en) * | 1974-10-01 | 1976-08-17 | Lewa Herbert Ott Kommanditgesellschaft | Pump driving mechanism with adjustable stroke |
| CN2338505Y (en) * | 1998-06-10 | 1999-09-15 | 常州市江南电力设备厂 | Mechanical diaphragm type metering pump |
| CN2756866Y (en) * | 2004-12-28 | 2006-02-08 | 浙江工业大学 | Travel regulation mechanism for metering pump |
| CN201078323Y (en) * | 2007-07-12 | 2008-06-25 | 储岳海 | High-precision diaphragm metering pump with adjustable flow quantity and no pulsation |
| CN201531385U (en) * | 2009-09-17 | 2010-07-21 | 德帕姆(杭州)泵业科技有限公司 | Measuring pump for sleeve type regulating mechanism |
| CN201696279U (en) * | 2009-11-10 | 2011-01-05 | 德帕姆(杭州)泵业科技有限公司 | Metering pump for eccentric stroke regulating mechanism |
| CN205592086U (en) * | 2016-04-26 | 2016-09-21 | 德帕姆(杭州)泵业科技有限公司 | Chute removes axle measuring pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105697259A (en) | 2016-06-22 |
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