CN204687411U - Seed cotton die tapping machine hydraulic control device - Google Patents
Seed cotton die tapping machine hydraulic control device Download PDFInfo
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- CN204687411U CN204687411U CN201520424874.XU CN201520424874U CN204687411U CN 204687411 U CN204687411 U CN 204687411U CN 201520424874 U CN201520424874 U CN 201520424874U CN 204687411 U CN204687411 U CN 204687411U
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Abstract
The utility model relates to a kind of seed cotton die tapping machine hydraulic control device, comprise and jam on molding and demoulding two parts, jam on the reversal valve (6) that the jamming on oil cylinder (9), step on a travel motor (10) of molding part, casing hoist cylinder (12) and rear chamber door open and close oil cylinder (13) to control respectively by solenoid YA1-YA8, in hydraulic system, jam on molding and the shared hydraulic oil pump (3) of demoulding two parts, jam between molding and dismoulding system and adopt Median Function " M " type three-position four-way electromagnetic directional valve (6) to connect; What jam on molding part jams in loop the hydraulic bridge type trimmer valve group being provided with and being made up of compensator or trimmer pressure valve (8) and 4 check valves (7).Compared with prior art, the utility model effectively can prevent from stepping on the impact that when hair oil cylinder starts rapidly and stops, hydraulic system produces, preventing pollution, extends machine service life, particularly during meta, oil pump can by the inner off-load of three-position valve, and structure is more simple, functional reliability improves greatly.
Description
Art
The utility model relates to a kind of seed cotton die tapping machine hydraulic control device.
Background technology
Existing die tapping machine work mainly jams on and the demoulding two courses of work; each action when carrying out molding operation, as back door open and close, to promote with declining, stepping on that head promotes and press down, steps on that head moves horizontally be all completed by HYDRAULIC CONTROL SYSTEM to casing.
Existing hydraulic system adopts three six logical hand-operated direction valves, needs manually to stand on operating desk to operate, and labour intensity is large, work under bad environment.
When die tapping machine works, when especially cotton picker unloads cotton, at least need 2 people to operate die tapping machine, 1 people stands on workbench and operates die tapping machine, and another person needs to guide cotton picker to unload cotton and pick up the unginned cotton of being scattered.
In die tapping machine work, carry out in strict accordance with molding operation, advanced before this, jam on, to advance again a segment distance, jam on again, reciprocation cycle successively, the demoulding is carried out after all having jammed on, carry out successively: promote casing, open back door, exit cotton mould, do not allow certain two branch roads action simultaneously, and die tapping machine hydraulic system adopts duplex pump respectively to two system fuel feeding at present, cost is higher, the banked direction control valves group of whole system is installed together, interlock function is not had between system, misoperation easily causes misoperation, the pressure valve of two oil pumps need be adjusted respectively during system pressure regulating, pressure regulation is inconvenient, maintaining is also inconvenient.
In addition, when jamming on and step on head walking, another promotes to casing and back door opens and closes the oil pump of oil cylinder fuel feeding in idle running, and when casing promotes and back door opens and closes operation, to jamming on oil cylinder and stepping on an oil pump of running motor fuel feeding again in idle running, the idle running of oil pump all can waste energy.
Jam in molding process, jam on and control banked direction control valves when commutating to meta from working position, the oil return opening jamming on oil cylinder is closed at once, executive component stops suddenly, very high pressure can be produced at hydraulic cylinder oil back chamber, i.e. compression shock phenomenon, continually handle jam on control multiple directional control valve change to meta from working position, hydraulic shock will be caused to vibrate obviously, live forever in short pressure peak phenomenon, after using after a while, jam on loop hydraulic element and to leak oil leakage phenomenon, the fluid of leakage can pollute unginned cotton, contaminated environment.
Specifically refer to a kind of seed cotton die tapping machine hydraulic control device in patent 200820019490.X and complete various action by HYDRAULIC CONTROL SYSTEM.But above-mentioned action be all stand in die tapping machine front portion by operating personnel platform on reversal valve in manual control hydraulic system complete, structure and complicated operation.
Summary of the invention
The purpose of this utility model is to provide the seed cotton die tapping machine hydraulic control device that a kind of structure is more simple, reliability is higher.
Goal of the invention of the present utility model is realized by following structure: comprise hydraulic system and electrical system, described hydraulic system comprises and jams on molding and demoulding two parts, jam on molding part to comprise and jam on oil cylinder (9) and step on a travel motor (10), demoulding part comprises casing hoist cylinder (12) and rear chamber door opens and closes oil cylinder (13), describedly jam on oil cylinder (9), step on a travel motor (10), casing hoist cylinder (12) and rear chamber door open and close in the hydraulic circuit of oil cylinder (13) and are equipped with reversal valve (6), jam on oil cylinder (9), step on a travel motor (10), the reversal valve (6) that casing hoist cylinder (12) and rear chamber door open and close oil cylinder (13) controls respectively by solenoid YA1-YA8, described solenoid YA3, YA4 controls the commutation action of stepping on the advance of head or the magnetic valve of retrogressing respectively, described solenoid YA1, YA2 control the commutation action of stepping on the rising of head or the magnetic valve of decline respectively, and its improvement is:
In hydraulic system, jam on molding and the shared hydraulic oil pump (3) of demoulding two parts, jam between molding and dismoulding system and adopt Median Function " M " type three-position four-way electromagnetic directional valve (6) to connect.
What jam on molding part jams in loop the hydraulic bridge type trimmer valve group being provided with and being made up of compensator or trimmer pressure valve (8) and 4 check valves (7).
Further, the above-mentioned solenoid YA1-YA8 jamming on the valve in the hydraulic system of molding, demoulding part in reversal valve (6) and hydraulic bridge type trimmer valve group and control described valve preferably replaced by magnetic valve.
Further, the above-mentioned molding part that jams on is provided with automatic controller (23), and this automatic controller (23) comprises control relay KM1, KM2, KM4, KM5 and the time relay KT1, KT2.
Be provided with 1 limit switch SQ1 and SQ2 to parallel connection in the voltage circuit of control relay KM1, and the initial state between limit switch SQ1 and SQ2 is logic NOT relation.
One of control relay KM1 controls contact KM1K and connects with limit switch SQ1 and be located in the voltage circuit of control relay KM1.
Be provided with in the voltage circuit of control relay KM2 and solenoid YA4 and automatically control starting switch Q3, one of control relay KM2 often open control contact KM2K with automatic control starting switch Q3 in parallel after be arranged in the voltage circuit of control relay KM2, also be provided with gauge tap KM6K in the voltage circuit of control relay KM2, and gauge tap KM6K and limit switch SQ2 links.
Pressure inductor KP is provided with in the voltage circuit of control relay KM4, and pressure inductor KP is parallel with the control contact KM4K of control relay KM4, meanwhile, one of time relay KT2 normally closed control contact KT2K is series in control relay KM4 voltage circuit.
One of control relay KM4 controls contact KM4K and is arranged in the voltage circuit of time relay KT1.
One of control relay KM4 and KM5 controls contact KM4K and KM5K and is series in the voltage circuit of solenoid YA2;
Further, be in parallelly provided with control relay KM3 with above-mentioned solenoid YA2 is best, and this control relay KM3 is in the voltage circuit after controlling contact KM4K and KM5K series connection.
One of control relay KM5 controls contact KM5K and is arranged in the voltage circuit of time relay KT2.
Be arranged in control relay KM5 voltage circuit after the control contact KT1K often opened of time relay KT1 is in parallel with one of time relay KT2 normally closed control contact KT2K, and this normally closed control contact KT2K of described time relay KT2 is in parallel with a control contact KT1K often opened of described time relay KT1 again after connecting with the control contact KM5K that control relay KM5 mono-often leaves.
Utility model works process is as follows, first can step on by manual adjustment the height that head jams on, also directly automaton can be opened, after startup, step on the headstock by running motor drive and automatically plow flat cotton from front to back, the limit switch of end is encountered when moving to die tapping machine rear portion, step on headstock action to stop, running motor stall, by stepping on descending compacting unginned cotton hair oil cylinder controls to step on head, when stepping on a pressure inductor induction pressure and reaching the pressure that pressure switch presets, step on head to stop pressing down and upwards returning, upper line height is controlled by the time relay, after up certain altitude, step on head to move forward, displacement is controlled by the time relay, then carry out the next one and jam on action, circulation like this, when stepping on the headstock and driving the other end stepping on head arrival die tapping machine, control this layer of molding by end limit switch to stop, so be cycled to repeat until molding terminates.Namely demoulding program is entered.
Compared with prior art, the utility model effectively can prevent from stepping on the impact that when hair oil cylinder starts rapidly and stops, hydraulic system produces, preventing pollution, extend machine service life, particularly during meta, oil pump can by the inner off-load of three-position valve, structure is more simple, functional reliability improves greatly, particularly can reduce labour intensity largely, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1 hydraulic system.
Fig. 2 is the structural representation of the utility model embodiment 1 electric-control system.
Shown in figure: 1 is fuel tank, 2 is filter A, and 3 is oil pump, 4 is power, and 5 is main overflow valve, and 6 is reversal valve, 7 is check valve, and 8 is compensator or trimmer pressure valve, and 9 for jamming on oil cylinder, 10 for stepping on a travel motor, and 11 are, 12 is casing hoist cylinder, 13 is that rear chamber door opens and closes oil cylinder, and 14 is filter B, and 21 for jamming on molding manual control part, 22 is demoulding control section, and 23 is automatic controller.E is power supply, Q1-Q3 is switch, SA1-SA4 is single-pole double-throw switch (SPDT), SQ1-SQ6 is limit switch, and YA1-YA8 is solenoid, and KM1-KM9 is relay, KM1K-KM9K is respectively the control contact of relay K M1-KM9, KT1-KT2 is the time relay, and KT1K-KT2K is the control contact of time relay KT1-KT2, and KP is pressure inductor.
Detailed description of the invention
Embodiment 1: with reference to Fig. 1-2, for the structural representation of the utility model embodiment 1, comprise hydraulic system and electrical system, described hydraulic system comprises and jams on molding and demoulding two parts, jam on molding part to comprise and jam on oil cylinder (9) and step on a travel motor (10), demoulding part comprises casing hoist cylinder (12) and rear chamber door opens and closes oil cylinder (13), describedly jam on oil cylinder (9), step on a travel motor (10), casing hoist cylinder (12) and rear chamber door open and close in the hydraulic circuit of oil cylinder (13) and are equipped with reversal valve (6), jam on oil cylinder (9), step on a travel motor (10), the reversal valve (6) that casing hoist cylinder (12) and rear chamber door open and close oil cylinder (13) controls respectively by solenoid YA1-YA8, described solenoid YA3, YA4 controls the commutation action of stepping on the advance of head or the magnetic valve of retrogressing respectively, described solenoid YA1, YA2 control the commutation action of stepping on the rising of head or the magnetic valve of decline respectively.
In hydraulic system, jam on molding and the shared hydraulic oil pump (3) of demoulding two parts, jam between molding and dismoulding system and adopt Median Function " M " type three-position four-way electromagnetic directional valve (6) to connect.
What jam on molding part jams in loop the hydraulic bridge type trimmer valve group being provided with and being made up of compensator or trimmer pressure valve (8) and 4 check valves (7).
The described valve jammed in reversal valve (6) in the hydraulic system of molding, demoulding part and hydraulic bridge type trimmer valve group is magnetic valve.
Electrical system comprises Non-follow control and automatic controller 23 two parts and power supply E,
Demoulding part 21 comprises casing elevating control and rear chamber door opens and closes control, all adopt Non-follow control, the control to solenoid YA5-YA8 is realized by single-pole double-throw switch (SPDT) SA1, SA2, and then realize the keying of casing lifting and rear chamber door, simultaneously, in the voltage circuit of solenoid YA5-YA8, be respectively equipped with limit switch SQ3-SQ6, with realize casing lifting and rear chamber door opening-closing process in spacing.
Certainly, above-mentioned demoulding part is also by automatic control realization, and just equipment cost can raise to some extent.
Jam on the electrical control of molding by being provided with manual control part 22 and automatic controller 23 two parts.
Manual control part 22 comprises control relay KM6-KM9, the control to control relay KM6-KM9 is realized by single-pole double-throw switch (SPDT) SA3, SA4, control relay KM6-KM9 respectively has a control contact KM6K-KM9K to be arranged at respectively between solenoid YA1-YA4 and power supply E simultaneously, makes solenoid YA1-YA4 form the voltage circuit controlled respectively by the control contact KM6K-KM9K of control relay KM6-KM9.
Automatic controller (23) comprises control relay KM1-KM5 and the time relay KT1, KT2.
Be provided with 1 limit switch SQ1 and SQ2 to parallel connection in the voltage circuit of control relay KM1, and the initial state between limit switch SQ1 and SQ2 is logic NOT relation.
One of control relay KM1 controls contact KM1K and connects with limit switch SQ1 and be located in the voltage circuit of control relay KM1.
Be provided with in the voltage circuit of control relay KM2 and solenoid YA4 and automatically control starting switch Q3, one of control relay KM2 often open control contact KM2K with automatic control starting switch Q3 in parallel after be arranged in the voltage circuit of control relay KM2, also be provided with gauge tap KM6K in the voltage circuit of control relay KM2, and gauge tap KM6K and limit switch SQ2 links.
Pressure inductor KP is provided with in the voltage circuit of control relay KM4, and pressure inductor KP is parallel with the control contact KM4K of control relay KM4, meanwhile, one of time relay KT2 normally closed control contact KT2K is series in control relay KM4 voltage circuit.
One of control relay KM4 controls contact KM4K and is arranged in the voltage circuit of time relay KT1.
One of control relay KM4 and KM5 controls contact KM4K and KM5K and is series in the voltage circuit of solenoid YA2, in parallelly with described solenoid YA2 be provided with control relay KM3, and this control relay KM3 is in the voltage circuit after controlling contact KM4K and KM5K series connection.
One of control relay KM5 controls contact KM5K and is arranged in the voltage circuit of time relay KT2.
Be arranged in control relay KM5 voltage circuit after the control contact KT1K often opened of time relay KT1 is in parallel with one of time relay KT2 normally closed control contact KT2K, and this normally closed control contact KT2K of described time relay KT2 is in parallel with a control contact KT1K often opened of described time relay KT1 again after connecting with the control contact KM5K that control relay KM5 mono-often leaves.
It should be noted that, above is only preferred embodiment of the present utility model, should not be considered as restriction of the present utility model, and protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, some improvements and modifications can also be made and also should be considered as protection domain of the present utility model.
Claims (4)
1. a seed cotton die tapping machine hydraulic control device, comprise and jam on molding and demoulding two parts, jam on molding part to comprise and jam on oil cylinder (9) and step on a travel motor (10), demoulding part comprises casing hoist cylinder (12) and rear chamber door opens and closes oil cylinder (13), describedly jam on oil cylinder (9), step on a travel motor (10), casing hoist cylinder (12) and rear chamber door open and close in the hydraulic circuit of oil cylinder (13) and are equipped with reversal valve (6), jam on oil cylinder (9), step on a travel motor (10), the reversal valve (6) that casing hoist cylinder (12) and rear chamber door open and close oil cylinder (13) controls respectively by solenoid YA1-YA8, it is characterized in that:
In hydraulic system, jam on molding and the shared hydraulic oil pump (3) of demoulding two parts, jam between molding and dismoulding system and adopt Median Function " M " type three-position four-way electromagnetic directional valve (6) to connect;
What jam on molding part jams in loop the hydraulic bridge type trimmer valve group being provided with and being made up of compensator or trimmer pressure valve (8) and 4 check valves (7).
2. seed cotton die tapping machine hydraulic control device according to claim 1, is characterized in that: the described molding part that jams on is provided with automatic controller (23),
This automatic controller (23) comprises control relay KM1, KM2, KM4, KM5 and the time relay KT1, KT2,
Be provided with 1 limit switch SQ1 and SQ2 to parallel connection in the voltage circuit of control relay KM1, and the initial state between limit switch SQ1 and SQ2 is logic NOT relation,
One of control relay KM1 controls contact KM1K and connects with limit switch SQ1 and be located in the voltage circuit of control relay KM1;
Be provided with in the voltage circuit of control relay KM2 and solenoid YA4 and automatically control starting switch Q3, one of control relay KM2 often open control contact KM2K with automatic control starting switch Q3 in parallel after be arranged in the voltage circuit of control relay KM2, also be provided with gauge tap KM6K in the voltage circuit of control relay KM2, and gauge tap KM6K and limit switch SQ2 links;
Pressure inductor KP is provided with in the voltage circuit of control relay KM4, and pressure inductor KP is parallel with the control contact KM4K of control relay KM4, meanwhile, one of time relay KT2 normally closed control contact KT2K is series in control relay KM4 voltage circuit;
One of control relay KM4 controls contact KM4K and is arranged in the voltage circuit of time relay KT1,
One of control relay KM4 and KM5 controls contact KM4K and KM5K and is series in the voltage circuit of solenoid YA2;
One of control relay KM5 controls contact KM5K and is arranged in the voltage circuit of time relay KT2,
Be arranged in control relay KM5 voltage circuit after the control contact KT1K often opened of time relay KT1 is in parallel with one of time relay KT2 normally closed control contact KT2K, and this normally closed control contact KT2K of described time relay KT2 is in parallel with a control contact KT1K often opened of described time relay KT1 again after connecting with the control contact KM5K that control relay KM5 mono-often leaves.
3. seed cotton die tapping machine hydraulic control device according to claim 2; it is characterized in that: in parallelly with described solenoid YA2 be provided with control relay KM3, and this control relay KM3 is in the voltage circuit that control contact KM4K and KM5K that connect with solenoid YA2 control.
4. the seed cotton die tapping machine hydraulic control device according to claim 1,2 or 3, is characterized in that: described in the solenoid YA1-YA8 that jams on the valve in the hydraulic system of molding, demoulding part in reversal valve (6) and hydraulic bridge type trimmer valve group and control described valve replaced by magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424874.XU CN204687411U (en) | 2015-06-18 | 2015-06-18 | Seed cotton die tapping machine hydraulic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424874.XU CN204687411U (en) | 2015-06-18 | 2015-06-18 | Seed cotton die tapping machine hydraulic control device |
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| Publication Number | Publication Date |
|---|---|
| CN204687411U true CN204687411U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520424874.XU Expired - Fee Related CN204687411U (en) | 2015-06-18 | 2015-06-18 | Seed cotton die tapping machine hydraulic control device |
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| Country | Link |
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| CN (1) | CN204687411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930693A (en) * | 2018-08-08 | 2018-12-04 | 中电科芜湖通用航空产业技术研究院有限公司 | The control system of fluid pressure drive device |
| CN108930692A (en) * | 2018-08-08 | 2018-12-04 | 中电科芜湖通用航空产业技术研究院有限公司 | The control method of fluid pressure drive device |
-
2015
- 2015-06-18 CN CN201520424874.XU patent/CN204687411U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930693A (en) * | 2018-08-08 | 2018-12-04 | 中电科芜湖通用航空产业技术研究院有限公司 | The control system of fluid pressure drive device |
| CN108930692A (en) * | 2018-08-08 | 2018-12-04 | 中电科芜湖通用航空产业技术研究院有限公司 | The control method of fluid pressure drive device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20210618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |