CN207377742U - A kind of actuated by cams formula fluid power plant - Google Patents
A kind of actuated by cams formula fluid power plant Download PDFInfo
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- CN207377742U CN207377742U CN201721279903.3U CN201721279903U CN207377742U CN 207377742 U CN207377742 U CN 207377742U CN 201721279903 U CN201721279903 U CN 201721279903U CN 207377742 U CN207377742 U CN 207377742U
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- leading screw
- actuated
- reciprocal leading
- power plant
- guiding axis
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Abstract
The utility model discloses a kind of actuated by cams formula fluid power plants, including the reciprocal leading screw in reciprocating mechanism, reciprocal leading screw is that guide groove is equipped on the periphery of axis, guide groove is slidably matched with screw slider, pass through the reciprocating motion of the rotation driving screw slider of reciprocal leading screw, the T-shaped structure in longitudinal cross-section of screw slider, vertical block and the guide groove of T-shaped structure are slidably matched, the lateral blocks of T-shaped structure move mating connection with feed screw nut, the one side of feed screw nut is connected by one end of bar and piston rod, the other end of piston rod is coordinated by piston and cylinder body, cylinder body is equipped with the import of fluid and the outlet of fluid；The both ends of reciprocal leading screw are respectively supported in rack, and one end of reciprocal leading screw is connected by transmission parts with power source.What the device was directly realized by using mechanical structure, the power of power source can be sent to reciprocating mechanism by transmission mechanism, then pump group piston rod working in reciprocating mode is driven, it is sent so as to fulfill the pump silk of fluid.
Description
Technical field
The utility model is related to fluid driving equipment technical fields, and in particular to a kind of actuated by cams formula fluid dynamic dress
It puts.
Background technology
Reciprocating moving mechanism is widely used in compressor, engine and various fluid pumps, and most typical form is
Crank connecting link reciprocating mechanism, it is mainly made of components such as crank, connecting rod, piston or sliding blocks, wherein one end of connecting rod with
Crank is rotatably assorted, and the other end and the piston or sliding block of connecting rod coordinate, and are achieved in the rotary motion of crank and piston or sliding block
Reciprocating motion conversion.It is well known that the connecting rod of traditional crank linkage is worked with the motion mode swung, therefore
The power that connecting rod is applied on piston is the power of a swing, and undoubtedly it will cause piston to generate slap to cylinder and cause
Noise, and piston is made to generate larger lateral pressure to cylinder and increase frictional dissipation.In order to overcome traditional crank linkage
Above-mentioned drawback, people then seek to realize the mechanism of linear reciprocation driving piston or sliding block, wherein a kind of straight in the prior art
Line reciprocating mechanism scheme as depicted in figs. 1 and 2, it have a pair of of size identical and be intermeshed and turn to opposite gear 1,
2, and it is each provided with handle pin 11,22 on the two gears 1,2 mirror symmetry, it is additionally provided with a seesaw frame 3, seesaw frame
The guide groove 33 of long straight shape is provided on 3, two guide rail A, B being mutually parallel are provided on guide groove 33, above-mentioned handle pin 11,22 is inserted simultaneously
Enter in the guide groove 33 and coordinate with guide rail A, B or be set on handle pin 11,22 after roller 4 and coordinate again with guide rail A, B；In addition set
It is equipped with piston or sliding block 5 and is connected with guide rod 6 with seesaw frame 3, piston or sliding block 5 are slidably matched with cylinder body 7.When gear 1,2 is nibbled
When closing rotation, handle pin 11,22 thereon will be directly or indirectly applied on guide rail A, B of guide groove 33, and therefore drives seesaw frame 3
Movement is generated, is not difficult to find out, straight reciprocating motion is necessarily made based on the above-mentioned seesaw frame 3 of symmetrical reason, piston at this time or cunning
Block 5 is also necessarily straight reciprocating motion.However found through practice, above-mentioned linear reciprocating mechanism improvements still in need,
It is mainly manifested in：1) first, guide rail A, B and the fit clearance of handle pin 11,22 or roller 4 are in the awkward condition of dilemma,
If fit clearance acquirement is too small, it will make handle pin 11,22 or roller 4 easily while touch two guide rail A, B, as a result cause them
It rolls not smooth and increases friction loss, and if the fit clearance acquirement of the two is excessive, when will certainly cause to move back and forth again
Generate very big impact noise；2) secondly, the reciprocating motion of seesaw frame 3 and piston or sliding block 5 certainly exists reciprocal inertia force, many
Well known be this reciprocal inertia force be cause mechanism generate vibration noise the main reason for one of；3) finally, yi word pattern is put down
The guide groove 33 and guide rail A, B of straight shape can only make piston or sliding block 5 obtains such as simple harmonic motion of single motor pattern, and cannot be by
According to needing to obtain some specific characteristics of motion, for example compressor wishes piston 5 is controlled to move slowly in compression exhaust stroke
Some then wish piston 5 in suction stroke and move sooner to improve work efficiency to reduce exhaust Explosive noise.
Some also having at present, which move back and forth product, to be all by lead limit switch or changes power source power output side
Always realize what is moved back and forth, this kind of product is all more complicated in control and structure, and manufacture and maintenance cost are high.
The mechanism of reciprocating motion is realized by lead limit switch, since system acting number is frequent, limit switch pine
Failure rate caused by dynamic, failure is higher, poor reliability.
Change power source power output direction to realize the mode of reciprocating motion, it is necessary to which control system combination drive system is real
Existing, input cost is higher, and still has the shortcomings that poor reliability.
Utility model content
The purpose of this utility model is that overcoming defect in the prior art, provide a kind of straight using mechanical structure
Realization is connect, without reversing control system, this application form is simple in structure, reliable in action, and failure rate is low, and production cost is low,
And can multimachine combination application as needed, the power of power source can be sent to reciprocating mechanism by transmission mechanism, then
Pump group piston rod working in reciprocating mode is driven by reciprocating mechanism, can be met the needs of customers so as to fulfill the pumping of fluid
Actuated by cams formula fluid power plant.
To achieve the above object, the technical solution of the utility model is a kind of actuated by cams formula fluid power plant of design,
Described device includes reciprocal leading screw, feed screw nut in reciprocating mechanism, and the reciprocal leading screw is on the periphery of axis
Equipped with guide groove, guide groove is slidably matched with screw slider, by the reciprocating motion of the rotation driving screw slider of reciprocal leading screw,
The T-shaped structure in longitudinal cross-section of the screw slider, vertical block and the guide groove of the T-shaped structure are slidably matched, the T
The lateral blocks of shape structure move mating connection with feed screw nut, and the one side of feed screw nut is connected by one end of connecting rod and piston rod,
The other end of piston rod is coordinated by piston and cylinder body, and cylinder body is equipped with the import of fluid and the outlet of fluid；Reciprocal leading screw
Both ends are respectively supported in rack, and one end of reciprocal leading screw is connected by transmission parts with power source.
For the ease of by screw slider feed screw nut being driven to move back and forth vertically, while slided for the ease of adjusting screw
Cooperation elasticity between block and guide groove, preferred technical solution be, the feed screw nut is annular element, the feed screw nut
Center be equipped with unthreaded hole with the cooperation of reciprocal leading screw, radial hole, lower end and the T-shaped knot of radial hole are additionally provided on the feed screw nut
The lateral blocks cooperation of structure, the middle part of radial hole are equipped with spherical, and spherical is equipped with compression spring, and the periphery of spherical and compression spring is equipped with
Sleeve, sleeve are equipped with the locking jackscrew with radial hole thread fitting with compression spring.
For the ease of the processing and fabricating of reciprocal leading screw, the stroke for adjusting guide groove is conveniently replaceable, convenient for reciprocal leading screw
Repair, preferred technical solution is in addition, the reciprocal leading screw is divided into guiding axis and driving support shaft two parts, in the guiding axis
Surface be equipped with guide groove, the center of the guiding axis be equipped with centre bore and keyway, it is described driving support shaft pass through guiding axis
Center, and pass through be arranged on driving support shaft on connecting key be oriented to axis connection, the both ends of the guiding axis be equipped with gear
Circle, the baffle ring are installed in the baffle ring card slot in driving support shaft.
For the ease of the processing and fabricating of reciprocal leading screw, the stroke for adjusting guide groove is conveniently replaceable, convenient for reciprocal leading screw
Repair, preferred technical solution is in addition, the reciprocal leading screw is divided into guiding axis and driving support shaft two parts, in the guiding axis
Surface be equipped with guide groove, driving support shaft is connected with by shaft coupling or connected structure at the guiding axis both ends, it is described
Axis device is connecting flange, and the connected structure is to be equipped with axial center hole in one end of driving support shaft, in the guiding axis
Both ends are equipped with the central shaft with axial center hole cooperation, axial center hole and central shaft by be connected key connection or pass through through
It is connected to pin hole with pin.
For the ease of adjusting the guiding stroke of conversion guide groove, further preferred technical solution is in addition, in the guiding
Vertically at least provided with two guide grooves on axis, each guide groove guides the guiding stroke of screw slider different.
Good cooperation is formed between the guide groove and feed screw nut of reciprocal leading screw respectively for the ease of screw slider, it is excellent
The technical solution of choosing is in addition, the vertical block of the T-shaped structure is equipped with bearing for cylinder or on the cylinder, in the T-shaped knot
It is flat that the cancave cambered surface with the surface engagement of guiding axis, lateral blocks of the T-shaped structure the upper surface of are equipped with below the lateral blocks of structure
Face.
For the ease of being connected firmly between feed screw nut and piston rod, operate steadily, preferred technical solution is in addition, described
The one side of feed screw nut passes through transverse direction after passing through rack at least through the connection of one end of two connecting rods and piston rod, and the connecting rod
One end of second connecting rod and piston rod connects.
Smooth convenient for the conveying of material for the ease of the connection between material and cylinder body, preferred technical solution is in addition, institute
It states cylinder body to be connected in rack by supporting rack, the import of the fluid and the feed pipe and discharge nozzle of the outlet of fluid and fluid
Connection.
For the ease of the power of power source is sent to reciprocal leading screw, it is made to drive the reciprocating motion of piston rod, preferably
Technical solution in addition, the transmission parts include drive and transmission belt or driving-chain, the transmission belt include driving belt or
Drive coordination band, the drive include belt pulley or synchronous pulley or sprocket wheel.
In order to improve the transfer efficiency of material, preferred technical solution is in addition, the reciprocal leading screw, feed screw nut, piston
Bar, piston, cylinder body are separately positioned at least provided with two sets in rack, and at least two reciprocal leading screws pass through driving section respectively
Part is connected with power source, and the power source is at least one of oil-burning machine, motor, motor.
The advantages of the utility model and advantageous effect are：The actuated by cams formula fluid power plant is to utilize mechanical structure
It is directly realized by, without reversing control system, this application form is simple in structure, reliable in action, and failure rate is low, production cost
It is low, and can multimachine combination application as needed, the power of power source can be sent to reciprocating mechanism by transmission mechanism,
Pump group piston rod working in reciprocating mode is driven by reciprocating mechanism again, can meet the use need of client so as to fulfill the pumping of fluid
It asks.
Description of the drawings
Fig. 1 is a kind of structure diagram of linear reciprocating mechanism in the prior art；
Fig. 2 is the diagrammatic cross-section of existing linear reciprocating mechanism shown in Fig. 1；
Fig. 3 is the structure diagram of the utility model actuated by cams formula fluid power plant；
Fig. 4 is the schematic cross-sectional view of reciprocating mechanism in the utility model actuated by cams formula fluid power plant；
Fig. 5 is the structure diagram of three component actuated by cams formula fluid power plant of the utility model；
Fig. 6 is the structure diagram of four component actuated by cams formula fluid power plant of the utility model.
In Fig. 3~6：1st, reciprocating mechanism；11st, reciprocal leading screw；111st, guiding axis；112nd, support shaft is driven；12nd, it is oriented to
Slot；13rd, screw slider；131st, vertical block；132nd, lateral blocks；14th, feed screw nut；141st, radial hole；142nd, spherical；143rd, press
Spring；144th, sleeve；145th, jackscrew is locked；15th, connecting rod；151st, horizontal second connecting rod；16th, piston rod；17th, cylinder body；18th, fluid
Import；19th, the outlet of fluid；2nd, rack；3rd, transmission parts；31st, transmission belt；32nd, drive；4th, power source；5th, supporting rack.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
As shown in Figure 3, Figure 4, the utility model is a kind of actuated by cams formula fluid power plant, and described device includes reciprocal
Reciprocal leading screw 11 in motion 1, the reciprocal leading screw 11 are that guide groove 12, guide groove 12 are equipped on the periphery of axis
It is slidably matched with screw slider 13, by the reciprocating motion of the rotation driving screw slider 13 of reciprocal leading screw 11, the leading screw is slided
The T-shaped structure in longitudinal cross-section of block 13, the vertical block 131 of the T-shaped structure are slidably matched with the guide groove 12, the T-shaped
The lateral blocks 132 of structure pass through connecting rod 15 and piston rod 16 with the dynamic mating connection of feed screw nut 14, the one side of feed screw nut 14
One end connects, and the other end of piston rod 16 is coordinated by piston and cylinder body 17, and cylinder body 17 is equipped with import 18 and the fluid of fluid
Outlet 19；The both ends of reciprocal leading screw 11 are respectively supported in rack 2, and one end of reciprocal leading screw 11 by transmission parts 3 and is moved
Power source 4 connects.
For the ease of by screw slider feed screw nut being driven to move back and forth vertically, while slided for the ease of adjusting screw
Cooperation elasticity between block and guide groove, the utility model preferred embodiment are that the feed screw nut 14 is annular element,
The center of the feed screw nut 14 is equipped with the unthreaded hole with the cooperation of reciprocal leading screw, and radial hole 141 is additionally provided on the feed screw nut 14,
The lower end of radial hole 141 and the lateral blocks 132 of T-shaped structure coordinate, and the middle part of radial hole 141 is equipped with spherical 142, spherical
142 are equipped with compression spring 143, and the periphery of spherical 142 and compression spring 143 is equipped with sleeve 144, sleeve 144 and compression spring 143 be equipped with
The locking jackscrew 145 of 141 thread fitting of radial hole.
For the ease of the processing and fabricating of reciprocal leading screw, the stroke for adjusting guide groove is conveniently replaceable, convenient for reciprocal leading screw
Repair, the utility model preferred embodiment is in addition, the reciprocal leading screw 11 divides for guiding axis 111 and driving support shaft 112
Two parts, guide groove 12 is equipped on the surface of the guiding axis 111, and centre bore and key are equipped at the center of the guiding axis 111
Slot, the driving support shaft 112 pass through the center of guiding axis, and pass through the connecting key being arranged in driving support shaft 112 with leading
It is connected to axis 111, baffle ring is equipped at the both ends of the guiding axis 111, the baffle ring is installed on the baffle ring in driving support shaft 112
In card slot.
For the ease of the processing and fabricating of reciprocal leading screw, the stroke for adjusting guide groove is conveniently replaceable, convenient for reciprocal leading screw
Repair, the utility model preferred embodiment is in addition, the reciprocal leading screw 11 divides for guiding axis 111 and driving support shaft 112
Two parts are equipped with guide groove 12 on the surface of the guiding axis 111, pass through shaft coupling or grafting at 111 both ends of guiding axis
Structure is connected with driving support shaft 112, and the shaft coupling is connecting flange, and the connected structure is in driving support shaft 112
One end is equipped with axial center hole, and the central shaft with axial center hole cooperation is equipped at the both ends of the guiding axis 111, axial
Centre bore is with central shaft by being connected key connection or being connected and (do not regarded in figure) with pin by warp-wise pin hole.
For the ease of adjust conversion guide groove guiding stroke, the utility model further preferred embodiment in addition,
Vertically at least provided with two guide grooves 12 on the guiding axis 111, each guide groove 12 guides the guiding row of screw slider
Journey is different.By the way that feed screw nut 14 and screw slider 13 are modulated in different guide grooves 12, piston rod it is reciprocal
Stroke will be different.
Good cooperation is formed between the guide groove and feed screw nut of reciprocal leading screw respectively for the ease of screw slider, this
Utility model preferred embodiment is in addition, the vertical block 131 of the T-shaped structure is equipped with axis for cylinder or on the cylinder
It holds, the cancave cambered surface with the surface engagement of guiding axis is equipped with below the lateral blocks 132 of the T-shaped structure, the T-shaped structure
Lateral blocks 132 the upper surface of are plane.
For the ease of being connected firmly between feed screw nut and piston rod, operate steadily, the preferred embodiment party of the utility model
Case is in addition, the one side of the feed screw nut 14 is connected at least through two connecting rods 15 with one end of piston rod 16, and the connecting rod
15 by horizontal second connecting rod 151 with one end of piston rod 16 through being connected after rack 2.
For the ease of the connection between material and cylinder body, smooth convenient for the conveying of material, the utility model is preferably implemented
Scheme in addition, the cylinder body 17 is connected to by supporting rack 5 in rack 2, the import 18 of the fluid and the outlet 19 of fluid with
The feed pipe of fluid is connected with discharge nozzle.
For the ease of the power of power source is sent to reciprocal leading screw, it is made to drive the reciprocating motion of piston rod, this practicality
New preferred embodiment is in addition, the transmission parts 3 include transmission belt 31 and drive 32 or driving-chain, the transmission belt
31 include driving belt or drive coordination band, and the drive 32 includes belt pulley or synchronous pulley or sprocket wheel.
As shown in Figure 5, Figure 6, in order to improve the transfer efficiency of material, the utility model preferred embodiment is in addition, institute
Reciprocal leading screw 11, feed screw nut 14, piston rod 16, piston, cylinder body 17 are stated at least provided with two sets, and is separately positioned on rack 2
On, at least two reciprocal leading screws 11 are connected respectively by transmission parts 3 with power source 4, and the power source 4 is oil-burning machine, electronic
At least one of machine, motor.
The operating principle of the utility model actuated by cams formula fluid power plant is：
The output shaft of power source such as motor drives reciprocal leading screw to rotate by belt wheel, transmission belt, and reciprocal leading screw is set
It is space curve slot to have along the guide groove on cylindrical surface, that is, a kind of cam path, cam path are slidably matched with screw slider, silk
The T-shaped structure in section of thick stick sliding block, lower end and the guide groove of T-shaped structure are slidably matched, and upper end and the feed screw nut of T-shaped structure move
It is connected, therefore the rotation of reciprocal leading screw can drive the reciprocating motion of feed screw nut, the one side of feed screw nut passes through connecting rod
One end of piston rod is connected, the piston of the piston rod other end can move back and forth in cylinder body, in vivo in cylinder by piston rod
It moves back and forth and fluid can be sucked from the feed inlet of cylinder body, then discharged by the discharge gate of cylinder body.It is defeated in order to improve fluid foods
More set reciprocating mechanisms can be mounted side by side, as shown in Figure 5, Figure 6 in the efficiency sent in rack.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (10)
1. a kind of actuated by cams formula fluid power plant, which is characterized in that including reciprocal leading screw, the leading screw in reciprocating mechanism
Nut, the one side of feed screw nut and one end of piston rod connect, and the other end and the cylinder body of piston rod coordinate；The both ends of reciprocal leading screw
It is respectively supported in rack, one end of reciprocal leading screw is connected by transmission parts with power source.
2. actuated by cams formula fluid power plant as described in claim 1, which is characterized in that the feed screw nut is annular
Part, the center of the feed screw nut are equipped with the unthreaded hole with the cooperation of reciprocal leading screw, are additionally provided with radial hole on the feed screw nut, radially
The lower end in hole and the lateral blocks of T-shaped structure coordinate, and the middle part of radial hole is equipped with spherical, and spherical is equipped with compression spring, spherical
Sleeve is equipped with the periphery of compression spring, sleeve is equipped with the locking jackscrew with radial hole thread fitting with compression spring.
3. actuated by cams formula fluid power plant as described in claim 1, which is characterized in that the reciprocal leading screw is divided into guiding
Axis and driving support shaft two parts, are equipped with guide groove on the surface of the guiding axis, center are equipped at the center of the guiding axis
Hole and keyway, the driving support shaft pass through the center of guiding axis, and pass through the connecting key being arranged in driving support shaft with leading
To axis connection, baffle ring is equipped at the both ends of the guiding axis, the baffle ring is installed in the baffle ring card slot in driving support shaft.
4. actuated by cams formula fluid power plant as described in claim 1, which is characterized in that the reciprocal leading screw is divided into guiding
Axis and driving support shaft two parts, are equipped with guide groove on the surface of the guiding axis, pass through shaft coupling at the guiding axis both ends
Or connected structure is connected with driving support shaft, the shaft coupling is connecting flange, and the connected structure is in driving support shaft
One end is equipped with axial center hole, the central shaft with axial center hole cooperation is equipped at the both ends of the guiding axis, in axial direction
Heart hole is with central shaft by being connected key connection or being connected by warp-wise pin hole with pin.
5. the actuated by cams formula fluid power plant as described in claim 3 or 4, which is characterized in that the edge on the guiding axis
Axially at least provided with two guide grooves, each guide groove guides the guiding stroke of screw slider different.
6. actuated by cams formula fluid power plant as claimed in claim 2, which is characterized in that the vertical block of the T-shaped structure
For cylinder or on the cylinder equipped with bearing, it is equipped with below the lateral blocks of the T-shaped structure and matches somebody with somebody with the surface of guiding axis
The cancave cambered surface of conjunction, the lateral blocks of the T-shaped structure the upper surface of is plane.
7. actuated by cams formula fluid power plant as described in claim 1, which is characterized in that the one side of the feed screw nut is extremely
It is connected less by one end of two connecting rods and piston rod, and the connecting rod is through passing through horizontal second connecting rod and piston rod after rack
One end connection.
8. actuated by cams formula fluid power plant as described in claim 1, which is characterized in that the cylinder body is connected by supporting rack
It is connected in rack, the import of fluid and the connection of the feed pipe and discharge nozzle of the outlet of fluid and fluid.
9. actuated by cams formula fluid power plant as described in claim 1, which is characterized in that the transmission parts include transmission
Wheel and transmission belt or driving-chain, the transmission belt include driving belt or drive coordination band, the drive include belt pulley or
Synchronous pulley or sprocket wheel.
10. actuated by cams formula fluid power plant as described in claim 1, which is characterized in that the reciprocal leading screw, leading screw spiral shell
Mother, piston rod, piston, cylinder body are separately positioned at least provided with two sets in rack, and at least two reciprocal leading screws pass through respectively
Transmission parts are connected with power source, and the power source is at least one of oil-burning machine, motor, motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279903.3U CN207377742U (en) | 2017-09-30 | 2017-09-30 | A kind of actuated by cams formula fluid power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279903.3U CN207377742U (en) | 2017-09-30 | 2017-09-30 | A kind of actuated by cams formula fluid power plant |
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| CN207377742U true CN207377742U (en) | 2018-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-09-30 CN CN201721279903.3U patent/CN207377742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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