CN207347539U - A kind of swinging is bionical to step on bent hydraulic buckling machine - Google Patents
A kind of swinging is bionical to step on bent hydraulic buckling machine Download PDFInfo
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- CN207347539U CN207347539U CN201721275763.2U CN201721275763U CN207347539U CN 207347539 U CN207347539 U CN 207347539U CN 201721275763 U CN201721275763 U CN 201721275763U CN 207347539 U CN207347539 U CN 207347539U
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Abstract
Bent hydraulic buckling machine is stepped on the utility model discloses a kind of swinging is bionical, bent station is stepped on including feeding station, precompressed station, transverse direction, longitudinal direction steps on bent station, knee-piece shaping station and knee-piece and releases station, the precompressed station and knee-piece shaping station are provided with single Cai Qu mechanisms, the transverse direction steps on bent station and longitudinal direction steps on bent station and is provided with crankshaft-link rod Cai Qu mechanisms repeatedly, and the bending press, which is additionally provided with knee-piece, to be stepped on bent pressure detecting and step on bent frequency detecting and adjustment module with adjustment module, knee-piece.This is bionical to step on bent hydraulic buckling machine and steps on bent technique height emulated artificial and step on song and step on that bent technique is adjustable, can meet that different brands white wine steps on bent technique when knee-piece is molded, significantly improve knee-piece Forming Quality;Reduce bending press volume compared with similar swinging bending press, reduce equipment production cost of buckling.
Description
Technical field
The utility model is related to it is bionical step on bent bending press, particularly a kind of swinging is bionical steps on bent hydraulic buckling machine.
Background technology
In China's brewed spirit, the quality of knee-piece influences wine quality.China's existing mechanical bending press, hydraulic pressure at present
Formula bending press, vapour-pressure type bending press are used and are simply molded once or several times, it is impossible to knee-piece repeatedly jammed on, and it is artificial
Stepping on song then needs to step on 50~80 feet;The mode of buckling of existing bending press is to buckling frequency and the dynamics of buckling can not regulate and control, nothing
Method ensures to buckle dynamics and frequency close to manually stepping on song.Outside the knee-piece that existing bending press is produced it is tight in pine, its quality far away from
The compactness and uniformity of knee-piece after song are manually stepped on, machinery is buckled can not also be completely instead of manually stepping on song.
" hydraulic rotary yeast press and its method of buckling " patent of invention of Institutes Of Technology Of Taiyuan's application, the hydraulic gyration pressure
Bent machine shares 12 stations, is jammed on wherein having carried out seven times to knee-piece, far less than the number for manually stepping on song, it is impossible to well
Simulation manually steps on song;And the bending press station is more, and the volume of bending press is larger, and production cost is higher.
Utility model content
The utility model provide it is a kind of song stepped on based on hydraulic cylinder single step on bent technique repeatedly with crankshaft-link rod be combined, adopt
Step on that bent pressure size is adjustable, frequency-adjustable of buckling, jams on that the adjustable swinging of number is bionical to step on song with closed loop PID control technology
Hydraulic buckling machine.
Step on bent hydraulic buckling machine as a kind of swinging is bionical, one embodiment of the utility model include feeding station,
Precompressed station, laterally step on bent station, bent station is stepped in longitudinal direction, knee-piece shaping station and knee-piece release station, the precompressed station and
Knee-piece shaping station is provided with single Cai Qu mechanisms, and the transverse direction steps on bent station and longitudinal direction steps on bent station to be provided with crankshaft-link rod anti-
Fu Caiqu mechanisms, the bending press are additionally provided with that knee-piece steps on bent pressure detecting and adjustment module and knee-piece steps on bent frequency detecting with adjusting
Save module.
Further, knee-piece steps on bent pressure detecting and adjustment module is provided with PID controller, PID controller input terminal pair
The hydraulic cylinder displacement sensor of crankshaft-link rod Cai Qu mechanisms repeatedly should be connected, output terminal corresponds to connection crankshaft-link rod and steps on bent machine repeatedly
The hydraulic cylinder control valve block of structure.
Further, knee-piece steps on bent frequency detecting and adjustment module is provided with PID controller, PID controller input terminal pair
The torque rotary speed sensor of crankshaft-link rod Cai Qu mechanisms repeatedly should be connected, output terminal corresponds to connection crankshaft-link rod Cai Qu mechanisms repeatedly
Hydraulic motor control valve piece.
Further, Cai Qu mechanisms are provided with frequency control constant displacement pump hydraulic control module, institute to the crankshaft-link rod repeatedly
State frequency control constant displacement pump hydraulic control module and be provided with Ioad-sensing control valve block group and constant displacement pump, the Ioad-sensing control
The shuttle valve of valve block group corresponds to the constant difference overflow valve of the quantitative pump discharge of connection.
Further, the frequency control constant displacement pump hydraulic control module is additionally provided with PID controller, frequency converter and electricity
Machine, the PID controller input terminal correspond to the pressure sensor of connection Ioad-sensing control valve block group, and output terminal corresponds to connection and becomes
Frequency device, frequency converter correspond to connection motor.
Due to the adoption of the above technical scheme, the advantageous effects of the utility model include:
(1) knee-piece steps on bent pressure detecting and uses cylinder pressure closed loop PID control with adjustment module, utilizes PID controller
Ensure cylinder pressure stabilization near target pressure value, and then realize and step on bent pressure more stably close to manually stepping on bent pressure
Power;
(2) knee-piece steps on bent frequency detecting and uses hydraulic motor closed loop PID control with adjustment module, is protected using PID controller
Hydraulic motor rotary speed stabilization is demonstrate,proved near rotating speed of target value, and then realizes that knee-piece steps on bent frequency more stably close to manually stepping on song
Frequency;
(3) step on that bent technique height emulated artificial steps on song and to step on bent technique adjustable, can meet different brands white wine knee-piece into
Bent technique is stepped on during type, significantly improves knee-piece Forming Quality;
(4) continuous several times can be carried out in a station to jam on, can effectively reduces and jam on station, with similar swinging bending press
Small compared to the bending press, equipment of buckling production cost is low.
Other aspects and advantage of the utility model become obvious according to detailed description below in conjunction with the accompanying drawings, described
The principle of the utility model is illustrated by way of example in attached drawing.
Brief description of the drawings
Fig. 1 is that the swinging provided for the utility model embodiment bionical steps on bent hydraulic buckling machine structure diagram;
Wherein 1- songs box, 2- displacement sensor hydraulic cylinders, 3- pressure sensors, 4- crankshaft connecting rod systems, 5- hydraulic motors,
6- hydraulic cylinders, 7- hydraulic locks, 8- overflow valves;
Fig. 2 is the station shift control module structure diagram that the utility model embodiment provides;
Wherein 9- shuttle valves, 10,11- bi-bit bi-pass change magnet valve, 12- commutation main valves, 13- pressure-compensated valves
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
A kind of swinging is bionical to step on bent hydraulic buckling machine, specifically include feeding station, precompressed station, laterally step on bent station,
Longitudinal direction steps on bent station, knee-piece shaping station and knee-piece and releases station, and the precompressed station and knee-piece shaping station are provided with single
Cai Qu mechanisms, the transverse direction steps on bent station and longitudinal direction steps on bent station and is provided with crankshaft-link rod Cai Qu mechanisms repeatedly, the bending press
It is additionally provided with that knee-piece steps on bent pressure detecting and adjustment module and knee-piece steps on bent frequency detecting and adjustment module.
Knee-piece steps on bent pressure detecting and adjustment module is provided with PID controller, and PID controller is as a kind of backfeed loop portion
Part, by the data collected compared with reference value, using the difference output control electric signal of data and reference value, so as to allow
The data of system reach or are maintained at reference value.Knee-piece steps on the PID controller input terminal correspondence connection song that bent pressure adjusts mould
The hydraulic cylinder displacement sensor of axis connecting rod Cai Qu mechanisms repeatedly, output terminal correspond to the hydraulic pressure of connection crankshaft-link rod Cai Qu mechanisms repeatedly
Cylinder controls valve block.The method that adjusting knee-piece steps on bent pressure includes:Utilize displacement sensor hydraulic cylinder piston rod shift value;Meter
Hydraulic cylinder piston rod shift value and the difference of displacement of targets value are calculated, and difference is inputted into PID controller as control signal;PID
Controller calculates corresponding value of electrical signals according to the control signal of input, and the value of electrical signals is delivered to hydraulic cylinder control valve
Piece;Hydraulic cylinder controls valve block to control hydraulic cylinder piston rod displacement according to value of electrical signals.If the hydraulic cylinder piston rod shift value measured
Less than displacement of targets value, hydraulic cylinder control valve block flow increase, hydraulic cylinder piston rod displacement increase;If the hydraulic cylinder piston measured
Bar shift value is higher than displacement of targets value, and hydraulic cylinder output pressure is higher than setup pressure value, and overflow valve will be opened overflow so that liquid
Pressure cylinder piston bar displacement stabilization ensures to step on bent pressure relatively stable near displacement of targets value, and then realizes and steps on bent pressure
Stablize close to manually stepping on bent pressure.
Knee-piece steps on bent frequency detecting and adjustment module is provided with PID controller, and PID controller input terminal corresponds to connection bent axle
The torque rotary speed sensor of connecting rod Cai Qu mechanisms repeatedly, output terminal correspond to the hydraulic motor of connection crankshaft-link rod Cai Qu mechanisms repeatedly
Control valve block.The method that adjusting knee-piece steps on bent frequency includes:Measure hydraulic motor rotary speed;Calculate the hydraulic motor rotary speed value measured
With the difference of rotating speed of target value, and by difference as control signal input PID controller;PID controller is according to the control of input
Signal calculates corresponding value of electrical signals, and the value of electrical signals is delivered to hydraulic motor control valve piece, adjusts hydraulic motor control
Valve block openings of sizes processed, so as to change the input port flow of hydraulic motor, adjusts hydraulic motor rotary speed.When the hydraulic motor measured
When tachometer value is less than rotating speed of target value, the increase of hydraulic motor control valve piece opening, exports to the flow increase of hydraulic motor, hydraulic pressure
Motor rotary speed increases, and jams on frequency increase;When the hydraulic motor rotary speed value measured is higher than rotating speed of target value, hydraulic motor control
Valve block opening reduces, and exports to the flow reduction of hydraulic motor, hydraulic motor rotary speed and reduces, jams on frequency reduction.Knee-piece steps on song
Frequency detecting and adjustment module can ensure that knee-piece steps on bent frequency stabilization near target frequency value, and then realize that to step on bent frequency steady
It is fixed close to manually stepping on bent frequency.
Optimally, Cai Qu mechanisms are provided with frequency control constant displacement pump hydraulic control module to the crankshaft-link rod repeatedly, described
Frequency control constant displacement pump hydraulic control module is provided with Ioad-sensing control valve block group and constant displacement pump, the Ioad-sensing control valve
The shuttle valve of piece group corresponds to the constant difference overflow valve of the quantitative pump discharge of connection.Meanwhile frequency control constant displacement pump hydraulic control module is also set
PID controller, frequency converter and motor are equipped with, the PID controller input terminal corresponds to the pressure of connection Ioad-sensing control valve block group
Force snesor, output terminal correspond to connection frequency converter, and frequency converter corresponds to connection motor.The load maximal pressure force value and target that will be measured
The difference of pressure value inputs PID controller as control signal, and PID controller calculates corresponding electric signal according to control signal
Value, and the value of electrical signals is delivered to frequency converter, frequency converter is realized to loading oil circuit closed loop stream by controlling motor speed
Amount is adjusted.When the load maximal pressure force value measured is less than target pressure value, motor raising speed, flow system flow increase, load pressure
Rise;When the load maximal pressure force value measured is higher than target pressure value, motor reduction, flow system flow reduces, under load pressure
Drop.By using " frequency converter+constant displacement pump+Ioad-sensing control valve ", the purpose of energy-saving consumption-reducing is realized.
Cai Qu mechanisms are provided with and step on bent station shift control module the crankshaft-link rod repeatedly, the station conversion and control mould
Block includes hydraulic cylinder control valve block and commutation main valve (12), and hydraulic cylinder control valve block changes magnet valve (10) (11) including 2/2-way.
As embodiment, when transverse direction, which steps on bent station, jams on completion, hydraulic cylinder control valve block is in middle position, and motor stops operating, and steps on song
Stop;The 2/2-way of hydraulic cylinder control valve block changes magnet valve (11) and completes commutation, hydraulic cylinder piston rod to electricity, commutation main valve (12)
Move up and remove bent box;One station of disk rotational, the 2/2-way of hydraulic cylinder control valve block change magnet valve (11) power-off, change magnet valve
(10) it is powered, realizes commutation main valve (12) commutation, when hydraulic cylinder piston rod is displaced downwardly to displacement of targets value, hydraulic cylinder control valve block two
The logical reversal valve (10) in position two, (11) power off, and commutation main valve (12) shifts to middle position, and hydraulic cylinder inlet and outlet are locked by hydraulic lock, bent
Handle linkage rotates, and knee-piece jams on continuation.
Optimally, the bending press is provided with precompressed station control module, the precompressed station control module input terminal pair
Precompressed work position hydraulic cylinder pressure transducer should be connected, output terminal corresponds to connection precompressed station control valve block.When pressure sensor is surveyed
When the cylinder pressure obtained reaches preset pressure value, hydraulic cylinder piston stops moving down, and measures the shift value of hydraulic cylinder piston at this time,
The mathematical relationship between cylinder pressure value and hydraulic cylinder piston shift value can step on bent pressure detecting with adjusting mould as knee-piece at this time
Relation control parameter between block displacement and pressure value.
Optimally, the bending press is provided with knee-piece shaping station control module, the knee-piece shaping station control module
PID controller is provided with, the PID controller input terminal corresponds to connection knee-piece shaping station cylinder pressure sensor, output
The corresponding connection shaping station control valve block in end.By the knee-piece shaping station cylinder pressure value measured and the difference of target pressure value
PID controller is inputed to as control signal, PID controller calculates corresponding value of electrical signals, and the value of electrical signals is delivered to
Shaping station controls valve block, changes the hydraulic cylinder piston rod amount of moving down by varying reversal valve openings of sizes, and then realize hydraulic pressure
Cylinder pressure size adjusts.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of swinging is bionical to step on bent hydraulic buckling machine, including feeding station, precompressed station, transverse direction step on bent station, longitudinal direction is stepped on
Bent station, knee-piece shaping station and knee-piece release station, it is characterised in that the precompressed station and knee-piece shaping station are provided with
Single Cai Qu mechanisms, the transverse direction steps on bent station and longitudinal direction steps on bent station and is provided with crankshaft-link rod Cai Qu mechanisms repeatedly, the pressure
Bent machine is additionally provided with that knee-piece steps on bent pressure detecting and adjustment module and knee-piece steps on bent frequency detecting and adjustment module.
2. a kind of swinging according to claim 1 is bionical to step on bent hydraulic buckling machine, it is characterised in that knee-piece steps on bent pressure
Detection is provided with PID controller with adjustment module, and PID controller input terminal corresponds to the liquid of connection crankshaft-link rod Cai Qu mechanisms repeatedly
Cylinder pressure displacement sensor, output terminal correspond to connection crankshaft-link rod repeatedly Cai Qu mechanisms hydraulic cylinder control valve block.
3. a kind of swinging according to claim 1 is bionical to step on bent hydraulic buckling machine, it is characterised in that knee-piece steps on bent frequency
Detection is provided with PID controller with adjustment module, and PID controller input terminal corresponds to connection crankshaft-link rod, and Cai Qu mechanisms turn repeatedly
Square speed probe, output terminal correspond to the hydraulic motor control valve piece of connection crankshaft-link rod Cai Qu mechanisms repeatedly.
4. a kind of swinging according to claim 1 is bionical to step on bent hydraulic buckling machine, it is characterised in that the crankshaft-link rod
Cai Qu mechanisms are provided with frequency control constant displacement pump hydraulic control module repeatedly, and the frequency control constant displacement pump hydraulic control module is set
Ioad-sensing control valve block group and constant displacement pump are equipped with, the shuttle valve of the Ioad-sensing control valve block group corresponds to the quantitative pump discharge of connection
Constant difference overflow valve.
5. a kind of swinging according to claim 4 is bionical to step on bent hydraulic buckling machine, it is characterised in that the frequency control
Constant displacement pump hydraulic control module is additionally provided with PID controller, frequency converter and motor, and the PID controller input terminal corresponds to connection
The pressure sensor of Ioad-sensing control valve block group, output terminal correspond to connection frequency converter, and frequency converter corresponds to connection motor.
6. a kind of swinging according to claim 1 is bionical to step on bent hydraulic buckling machine, it is characterised in that the crankshaft-link rod
Cai Qu mechanisms, which are provided with, repeatedly steps on bent station shift control module, and the station shift control module includes hydraulic cylinder control valve block
With commutation main valve, hydraulic cylinder control valve block changes magnet valve including 2/2-way.
7. a kind of swinging according to claim 1 is bionical to step on bent hydraulic buckling machine, it is characterised in that the bending press is set
Precompressed station control module is equipped with, the precompressed station control module input terminal corresponds to connection precompressed work position hydraulic cylinder pressure sensing
Device, output terminal correspond to connection precompressed station control valve block.
8. a kind of swinging according to claim 1 is bionical to step on bent hydraulic buckling machine, it is characterised in that the bending press is set
Knee-piece shaping station control module is equipped with, the knee-piece shaping station control module is provided with PID controller, the PID control
Device input terminal corresponds to connection knee-piece shaping station cylinder pressure sensor, and output terminal corresponds to connection shaping station control valve block.
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CN201721275763.2U CN207347539U (en) | 2017-09-30 | 2017-09-30 | A kind of swinging is bionical to step on bent hydraulic buckling machine |
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CN201721275763.2U CN207347539U (en) | 2017-09-30 | 2017-09-30 | A kind of swinging is bionical to step on bent hydraulic buckling machine |
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CN201721275763.2U Expired - Fee Related CN207347539U (en) | 2017-09-30 | 2017-09-30 | A kind of swinging is bionical to step on bent hydraulic buckling machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110001105A (en) * | 2019-04-11 | 2019-07-12 | 四川轻化工大学 | A kind of linear multi-station is buckled experimental bench |
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2017
- 2017-09-30 CN CN201721275763.2U patent/CN207347539U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110001105A (en) * | 2019-04-11 | 2019-07-12 | 四川轻化工大学 | A kind of linear multi-station is buckled experimental bench |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20210930 |
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CF01 | Termination of patent right due to non-payment of annual fee |