CN109793413A - A kind of automatic pineapple cutter based on Hydraulic servo drive - Google Patents
A kind of automatic pineapple cutter based on Hydraulic servo drive Download PDFInfo
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- CN109793413A CN109793413A CN201910137662.6A CN201910137662A CN109793413A CN 109793413 A CN109793413 A CN 109793413A CN 201910137662 A CN201910137662 A CN 201910137662A CN 109793413 A CN109793413 A CN 109793413A
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- hydraulic
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- toolbox
- workbench
- pineapple
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Abstract
The invention discloses a kind of automatic pineapple cutter based on Hydraulic servo drive, including workbench, the workbench is equipped with hydraulic control system, hydraulic control system includes hydraulic cylinder and hydraulic motor, the hydraulic cylinder is fixedly installed in above the workbench, the hydraulic motor is installed on the hydraulic cylinder side, clamping device is additionally provided on the workbench, the clamping device is connected by power with the hydraulic motor, the hydraulic cylinder has been connected by power cutter mechanism, the cutter mechanism includes curved knife and V-knife, the curved knife is installed on the one end of cutter mechanism far from hydraulic cylinder, the V-knife is installed on the curved knife close to the hydraulic cylinder side.Start cutting apparatus, tool feeding, pineapple rotates, and pineapple is removed the epidermis removal of pineapple, V-knife by curved knife in the stain of shape of threads, and one-pass completes cutting, is not necessarily to manually, cut efficient and convenient.
Description
Technical field
The present invention relates to fruit cutting technology fields, particularly relate to a kind of automatic pineapple cutting based on Hydraulic servo drive
Machine.
Background technique
With the development of society, the problem of health is increasingly taken seriously, due to being rich in people's body in fruit
Required nutrient, it is also more and more common to eat fruit.Pineapple is fruit common in our daily lifes, and pineapple has in many ways
The effect of face, for example, it is sweet and delicious, it is rich in vitamin A, B, C etc..
In daily life, for the edible firstly the need of removing the peel of pineapple, at present on the market for pineapple peeling
Professional equipment is seldom, and due to the particularity of pineapple crust, existing device for peeling can not be removed the peel well mostly, thus
In general it mostly uses manual cutting to remove the peel, but since pineapple epidermis is hard, needs not only to take compared with great strength by hand when cutting
When it is laborious, if cutting when exert oneself shakiness, be also easy to the occurrence of leading to accidental wound people.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of automatic pineapple cutter based on hydraulic servocontrol, with
Hydraulic motor and hydraulic cylinder drive the side-to-side movement of cutter mechanism and the rotary motion of chuck, chuck and then turn for driving pineapple
It is dynamic, it is needed when solving cutting by hand compared with great strength, it is not only time-consuming and laborious, if exerting oneself shakiness when cutting, it is also easy to cause to anticipate
The occurrence of wound people.
Based on a kind of above-mentioned purpose automatic pineapple cutter based on Hydraulic servo drive provided by the invention, including,
Workbench；
Hydraulic control system, including,
Hydraulic cylinder is fixedly installed on the workbench；
Hydraulic motor is fixedly installed in the hydraulic cylinder side；
Clamping device is rotatably mounted on the workbench, and the clamping device and the hydraulic motor power connect
It connects；
Cutter mechanism, activity installation are connected by power on the workbench with the hydraulic cylinder；Have,
Curved knife, one end set on the cutter mechanism far from the hydraulic cylinder；
V-type arrives, and is set to the curved knife close to the hydraulic cylinder side.
Optionally, the hydraulic control system includes the first fuel tank and the first constant displacement pump being connected with the first fuel tank and
Two constant displacement pumps, the second motor drive the second constant displacement pump that the oil liquid in the first fuel tank is sent into proportioning valve by second shaft coupling,
It can change the displacement of ratio valve core by changing the input current in input proportioning valve, and then realize comparative example valve outlet stream
The control of amount, and then control the piston rod displacement of the first hydraulic cylinder with double piston rods.Pass through the first hydraulic cylinder with double piston rods piston rod
Displacement, the displacement of the first zero lap four-side spool and the second zero lap four-side spool is further controlled, thus real
The purpose of the flow rate of hydraulic system arbitrary proportion distribution of existing first zero lap four-side and the second zero lap four-side, first
Motor drives the rotation of the first constant displacement pump that the oil liquid in the first fuel tank is sent into four side of the first zero lap and slides by first shaft coupling
Valve and the second zero lap four-side push the piston rod movement in the hydraulic cylinder and hydraulic motor rotation.
Optionally, the proportioning valve input current and the cutter mechanism cut the transmitting letter between the amount of feeding of the every circle of pineapple
Number:
Wherein, Kq-- flow gain, Ap-- piston area, ξ -- zero dimension damping ratio, ω -- proportioning valve intrinsic frequency, s--
Pull-type transformation parameter, L-- zero lap four-side opening degree, the f-- cutter mechanism amount of feeding, I(S)-- proportioning valve input current, k
Value for constant value, k is determined by hydraulic cylinder and hydraulic motor:
Wherein, the effective area of s-- hydraulic cylinder, the discharge capacity of v-- hydraulic motor.
Optionally, be additionally provided with the first oil absorption filter between first constant displacement pump and the first fuel tank, the second constant displacement pump with
The second oil absorption filter is additionally provided between first fuel tank.
Optionally, the hydraulic control system is additionally provided with the first overflow valve, the second overflow valve and third overflow valve.
Optionally, the clamping device includes the chuck being installed on hydraulic motor output shaft, on the workbench
It is also fixedly installed with fixing seat, rotatable scroll chuck is installed, described scroll chuck one end is handle, another in fixing seat
End is chuck structure, the scroll chuck with the chuck is contour is oppositely arranged, the scroll chuck can be in fixing seat
In along close to chuck or far from chuck direction slide.
Optionally, the cutter mechanism includes and the first toolbox and the second toolbox, first toolbox
In the second toolbox, the V-knife is fixedly installed on the first toolbox through hole axle sleeve, and the curved knife passes through axis
Hole is connected on the first toolbox, and second toolbox is equipped with screw knob far from the side of the first toolbox.
Optionally, guide rod, the first cutter group are equipped with along the first toolbox direction of motion on the workbench
Part bottom is equipped with the hole matched with guide rod, and the first toolbox and guide rod are installed on guide rod by the clearance fit of hole axle.
Optionally, the workbench is equipped with waste port, and the waste port is set to below the clamping device, the waste material
Ash can is equipped with below mouthful, the ash can inlet is also tiltedly installed with waste material inclined plate
From the above it can be seen that a kind of automatic pineapple cutter based on Hydraulic servo drive provided by the invention,
It is equipped with the scroll chuck and chuck matched, the output axis connection of chuck and hydraulic motor, three-jaw on the table
Chuck is installed in fixing seat, can easily be clamped pineapple by chuck mechanism, drives pineapple rotation by hydraulic motor,
Hydraulic cylinder on workbench is fixedly connected with cutter structure, and cutter mechanism includes curved knife and V-knife, black by first of pineapple
First insert contacts of point and V-knife.Start cutting apparatus, the feeding of Driven by Hydraulic Cylinder cutter mechanism, hydraulic motor driving four
Dog chuck rotation, so that pineapple be driven to rotate, curved knife removes the epidermis of pineapple, and V-knife is by pineapple in the stain of shape of threads
To remove, one-pass, complete cutting, is participated in without artificial, cutting speed is fast, and human input is few, and it is easy to operate, securely and reliably；
Hydraulic control system cuts the amount of feeding of the every circle of pineapple, cutting essence so as to adjust cutter mechanism by adjusting proportioning valve input current
Standard, cutting quality are high；Ash can is collected waste material, environmentally protective.
Detailed description of the invention
Fig. 1 is a kind of front view of the automatic pineapple cutter based on Hydraulic servo drive of the embodiment of the present invention；
Fig. 2 is a kind of top view of the automatic pineapple cutter based on Hydraulic servo drive of the embodiment of the present invention；
Fig. 3 is a kind of left view of the automatic pineapple cutter based on Hydraulic servo drive of the embodiment of the present invention；
Fig. 4 is a kind of hydraulic principle of the automatic pineapple cutter based on Hydraulic servo drive of the embodiment of the present invention
Figure.
In figure: 1- ash can, 2- workbench, 3- hydraulic cylinder, 4- hydraulic motor, 5- guide rod, 6- cutter pedestal, 7- waste material are oblique
Plate, 8- chuck, 9-V type knife, 10- scroll chuck, the first toolbox of 11-, the second toolbox of 12-, the rotation of 13- screw thread
Button, 14- curved knife, 15- waste port, 16- mounting base, the first fuel tank of 1a-, the first oil absorption filter of 2a-, the first constant displacement pump of 3a-,
4a- first shaft coupling, the first motor of 5a-, the second fuel tank of 6a-, 7a- the first zero lap four-side, 8a- second piston bar liquid
Cylinder pressure, 9a- First piston bar hydraulic cylinder, 10a- the second zero lap four-side, 11a- hydraulic motor, 12a- third overflow valve,
13a- proportioning valve, the first overflow valve of 14a-, the second constant displacement pump of 15a-, 16a- second shaft coupling, the second motor of 17a-, 18a-
Two overflow valves, the second oil absorption filter of 19a-, 20a- liquidometer
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
As one embodiment of the present invention, as shown, a kind of automatic pineapple cutting based on Hydraulic servo drive
Machine, including workbench 2, the workbench 2 are equipped with hydraulic control system, and hydraulic control system includes hydraulic cylinder 3 and hydraulic horse
Up to 4, the hydraulic cylinder 3 is fixedly installed in 2 top of workbench, and the hydraulic motor 4 is installed on 3 side of hydraulic cylinder,
Clamping device is additionally provided on the workbench 2, the clamping device is connected by power with the hydraulic motor, and the hydraulic cylinder 3 is dynamic
Power is connected with cutter mechanism, and the cutter mechanism includes curved knife 14 and V-knife 9, and the curved knife 14 is installed on cutter mechanism
One end far from hydraulic cylinder 3, the V-knife 9 are installed on the curved knife 14 close to 3 side of hydraulic cylinder.Carry out in use,
After the both ends of pineapple are removed, pineapple is fixed on clamping device, the first point of contact of cutter is adjusted, guarantees first of pineapple
First insert contacts of stain and V-knife 9.Start cutting apparatus, tool feeding, pineapple rotation, curved knife 14 is by pineapple
Epidermis removal, V-knife 9 remove the stain that pineapple is in shape of threads, and one-pass completes cutting, without artificial, the quick side of cutting
Just.
As shown in figure 4, the hydraulic control system include the first fuel tank 1a and be connected with the first fuel tank 1a it is first fixed
Amount pump 3a and the second constant displacement pump 15a, the second motor 17a drives the second constant displacement pump 15a by the first oil by second shaft coupling 16a
Oil liquid in case 1a is sent into proportioning valve 13a, can change proportioning valve 13a spool by changing the electric current in input proportioning valve 13a
Displacement, and then realize comparative example valve 13a rate of discharge control, and then control the first hydraulic cylinder with double piston rods 9a piston rod
Displacement.By the displacement of the first hydraulic cylinder with double piston rods 9a piston rod, the first zero lap four-side spool 7a is further controlled
With the displacement of the second zero lap four-side spool 10a, to realize the first zero lap four-side 7a and the second zero lap four
The purpose of the flow rate of hydraulic system arbitrary proportion distribution of side slide valve 10a, the first motor 5a drive the by first shaft coupling 4a
Oil liquid in first fuel tank 1a is sent into the first zero lap four-side 7a for a certain amount of pump 3a rotation and four side of the second zero lap is sliding
Valve 10a pushes the piston rod movement in the second hydraulic cylinder with double piston rods 8a and hydraulic motor 11a rotation, second double-piston
Hydraulic cylinder 8a, that is, hydraulic cylinder 3, hydraulic motor 11a, that is, hydraulic motor 4.
In this embodiment, the specific theory analysis process that pineapple cutting is realized by assignment of traffic are as follows: logical
The height for crossing given pineapple, is set as amount of feeding f herein, gives different control signal codes " i " to control the distribution of flow.
q1=n*V (1)
q2=v*s (2)
v2=n*f (3)
Q in above formula (1)1For the input flow rate of hydraulic motor 4, n be hydraulic motor revolving speed 4 (when namely cutting pineapple, spinach
The rotation speed of trailing plants main shaft), V is the discharge capacity of hydraulic motor 4；
Q in above formula (2)2For the input flow rate of hydraulic cylinder 3, v is the speed of hydraulic stem, and s is the effective area of hydraulic cylinder 3；
N is the revolving speed (with the n in 1 formula) of hydraulic motor 4 in above formula (3), and f is the feeding that cutter mechanism cuts the every circle of pineapple
Amount,
Q in above formula1For the input flow rate of hydraulic motor 4, q2For the input flow rate of hydraulic cylinder 3, n is turning for hydraulic motor 4
Speed, V are the discharge capacity of hydraulic motor 4, and f is the amount of feeding that cutter mechanism cuts the every circle of pineapple；
When selected hydraulic cylinder 3 and hydraulic motor 4,For definite value, if
ThenRatio only it is related with amount of feeding f.
The opening degree of L-- zero lap four-side；
Simplify transmission function
Wherein Xp-- piston displacement, and Xv-- command signal (it is herein current signal I), Kq-- flow gain, Ap-- piston
Area, ξh-- zero dimension damping ratio, ωh-- proportioning valve 13a intrinsic frequency, the pull-type transformation parameter of s--
The proportioning valve 13a input current I finally established(S)And cutter mechanism cuts the transmitting between the amount of feeding f of the every circle of pineapple
Function
By the input current I for controlling proportioning valve 13a(S)The amount of feeding that cutter mechanism cuts the every circle of pineapple can be accurately controlled.
In this embodiment, the first oil suction filtering is additionally provided between the first constant displacement pump 3a and the first fuel tank 1a
Device 2 is additionally provided with the second oil absorption filter 19a, filters out the residual contamination in fuel tank between second constant displacement pump 15a and the first fuel tank 1a
Substance protects the first constant displacement pump 3a and the second constant displacement pump 15a.
In this embodiment, the hydraulic control system still has the first overflow valve 14a, the second overflow valve 18a
And third overflow valve 12a, keep system pressure constant, overload protective function is risen to system；Oil return resistance is provided, executive component is transported
It is dynamic steady；Realize long-range pressure regulation or system unloaded.
In this embodiment, the clamping device includes the chuck being installed on 4 output shaft of hydraulic motor
8, fixing seat 16 is also fixedly installed on the workbench 2, and rotatable scroll chuck 10 is installed in fixing seat 16, described three
10 one end of dog chuck is handle, and the other end is chuck structure, the scroll chuck 10 and the chuck 8 it is contour with respect to setting
It sets, pineapple is clamped, the scroll chuck 10 can be in fixing seat 16 along close to chuck 8 or far from four paws card
The direction of disk 8 is slided, and can easily be adjusted the distance between scroll chuck 10 and chuck 8 by handle, can be more convenient
Pineapple is clamped.
In this embodiment, the cutter mechanism include with the first toolbox 11 and the second toolbox 12,
For first toolbox, the 11 through hole axle sleeve in the second toolbox 12, the V-knife 9 is fixedly installed in the first cutter group
On part 11, the curved knife 14 is connected on the first toolbox 11 by axis hole, and second toolbox 12 is far from first
The side of toolbox 11 is equipped with screw knob 13, and the first toolbox 11 is adjusted in the second cutter by screw knob 13
Movement in component 12.
In this embodiment, guide rod is equipped with along 11 direction of motion of the first toolbox on the workbench 2
5,11 bottom of the first toolbox is equipped with the hole matched with guide rod 5, and the first toolbox 11 passes through hole axle with guide rod 5
Clearance fit is installed on guide rod 5.So that cutter mechanism is more stable during exercise, cutting effect is more preferable.
In this embodiment, the workbench 2 is equipped with waste port 15, and the waste port 15 is set to the clamping
Below mechanism, ash can 1 is equipped with below the waste port 15,1 inlet of ash can is also tiltedly installed with waste material inclined plate 7,
Waste material is oriented to.
When being cut, after the both ends of pineapple are removed with flat cutter, the length of pineapple is measured, according to length adjustment ratio
Example valve 13a input current I(S)To determine that cutter mechanism cuts the amount of feeding f of the every circle of pineapple.Four paws card is inserted into one end of pineapple again
In disk 8, the other end is inserted into scroll chuck 10, is adjusted the first point of contact of cutter mechanism, is guaranteed first stain and V-type of pineapple
First of knife 9 contacts to the end.Start cutting apparatus, hydraulic cylinder 3 drives cutter mechanism feeding, and hydraulic motor 4 drives four paws card
Disk 8 rotates, so that pineapple be driven to rotate, curved knife 14 removes the epidermis of pineapple, and V-knife 9 is by pineapple in the stain of shape of threads
Remove, one-pass, complete cutting, participated in without artificial, cutting speed is fast, and cutting precision is high, and human input is few, operation letter
It is single, securely and reliably, bring great convenience to people's life.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
In addition, to simplify explanation and discussing, and in order not to obscure the invention, it can in provided attached drawing
It is connect with showing or can not show with the well known power ground of integrated circuit (IC) chip and other components.Furthermore, it is possible to
Device is shown in block diagram form, to avoid obscuring the invention, and this has also contemplated following facts, i.e., about this
The details of the embodiment of a little block diagram arrangements be height depend on will implementing platform of the invention (that is, these details should
It is completely within the scope of the understanding of those skilled in the art).Elaborating that detail (for example, circuit) is of the invention to describe
In the case where exemplary embodiment, it will be apparent to those skilled in the art that can be in these no details
In the case where or implement the present invention in the case that these details change.Therefore, these descriptions should be considered as explanation
Property rather than it is restrictive.
Although having been incorporated with specific embodiments of the present invention, invention has been described, according to retouching for front
It states, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills.Example
Such as, discussed embodiment can be used in other memory architectures (for example, dynamic ram (DRAM)).
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of automatic pineapple cutter based on Hydraulic servo drive, which is characterized in that including,
Workbench；
Hydraulic control system, including,
Hydraulic cylinder is fixedly installed on the workbench；
Hydraulic motor is fixedly installed in the hydraulic cylinder side；
Clamping device is rotatably mounted on the workbench, and the clamping device is connected by power with the hydraulic motor；
Cutter mechanism, activity installation are connected by power on the workbench with the hydraulic cylinder；Have,
Curved knife, one end set on the cutter mechanism far from the hydraulic cylinder；
V-type arrives, and is set to the curved knife close to the hydraulic cylinder side.
2. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 1, which is characterized in that the liquid
Pressure control system includes the first fuel tank and the first constant displacement pump and the second constant displacement pump that are connected with the first fuel tank, and the second motor is logical
Crossing second shaft coupling drives the second constant displacement pump that the oil liquid in the first fuel tank is sent into proportioning valve, by changing in input proportioning valve
Input current can change the displacement of ratio valve core, and then realize the control of comparative example valve outlet flow, and then control first
The piston rod of hydraulic cylinder with double piston rods is displaced.By the displacement of the first hydraulic cylinder with double piston rods piston rod, first is further controlled
The displacement of zero lap four-side spool and the second zero lap four-side spool, thus realize the first zero lap four-side and
The purpose of the flow rate of hydraulic system arbitrary proportion distribution of second zero lap four-side, the first motor pass through first shaft coupling band
Oil liquid in first fuel tank is sent into the first zero lap four-side and the second zero lap four-side by dynamic first constant displacement pump rotation,
Push the piston rod movement in the hydraulic cylinder and hydraulic motor rotation.
3. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 1 or 2, which is characterized in that
The proportioning valve input current and the cutter mechanism cut the transmission function between the amount of feeding of the every circle of pineapple:
Wherein, Kq-- flow gain, Ap-- piston area, ξ -- zero dimension damping ratio, ω -- proportioning valve intrinsic frequency, s-- are pull-type
Transformation parameter, L-- zero lap four-side opening degree, the f-- cutter mechanism amount of feeding, I(S)-- proportioning valve input current, k are normal
The value of numerical value, k is determined by hydraulic cylinder and hydraulic motor:
Wherein, the effective area of s-- hydraulic cylinder, the discharge capacity of v-- hydraulic motor.
4. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 2, which is characterized in that described
It is additionally provided with the first oil absorption filter between first constant displacement pump and the first fuel tank, is additionally provided between the second constant displacement pump and the first fuel tank
Two oil absorption filters.
5. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 2, which is characterized in that described
Hydraulic control system is additionally provided with the first overflow valve, the second overflow valve and third overflow valve.
6. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 1, which is characterized in that described
Clamping device includes the chuck being installed on hydraulic motor output shaft, is also fixedly installed with fixing seat on the workbench,
Rotatable scroll chuck is installed in fixing seat, described scroll chuck one end is handle, and the other end is chuck structure, described three
Dog chuck with the chuck is contour is oppositely arranged, the scroll chuck can be in fixing seat along close to chuck
Or the direction far from chuck is slided.
7. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 1, which is characterized in that described
Cutter mechanism include with the first toolbox and the second toolbox, the first toolbox through hole axle sleeve is in the second cutter
In component, the V-knife is fixedly installed on the first toolbox, and the curved knife is connected to the first toolbox by axis hole
On, second toolbox is equipped with screw knob far from the side of the first toolbox.
8. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 7, which is characterized in that described
It is equipped with guide rod along the first toolbox direction of motion on workbench, first toolbox bottom is equipped with to match with guide rod
The hole of conjunction, the first toolbox and guide rod are installed on guide rod by the clearance fit of hole axle.
9. a kind of automatic pineapple cutter based on Hydraulic servo drive according to claim 1, which is characterized in that described
Workbench is equipped with waste port, and the waste port is set to below the clamping device, and ash can, institute are equipped with below the waste port
It states ash can inlet and is also tiltedly installed with waste material inclined plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910137662.6A CN109793413A (en) | 2019-02-25 | 2019-02-25 | A kind of automatic pineapple cutter based on Hydraulic servo drive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910137662.6A CN109793413A (en) | 2019-02-25 | 2019-02-25 | A kind of automatic pineapple cutter based on Hydraulic servo drive |
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| CN109793413A true CN109793413A (en) | 2019-05-24 |
Family
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| CN201910137662.6A Pending CN109793413A (en) | 2019-02-25 | 2019-02-25 | A kind of automatic pineapple cutter based on Hydraulic servo drive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110477411A (en) * | 2019-09-27 | 2019-11-22 | 武汉轻工大学 | A kind of coconut stripping machine |
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| WO2010035300A1 (en) * | 2008-09-23 | 2010-04-01 | Pnd Costruzioni Elettromeccaniche S.R.L. | Automatic machine for pineapples processing |
| US20160120210A1 (en) * | 2013-05-15 | 2016-05-05 | Bm Boxmeer B.V. | Device and method for processing a pineapple |
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Application publication date: 20190524 |