CN110824957A - State switching structure with adjustable time delay - Google Patents
State switching structure with adjustable time delay Download PDFInfo
- Publication number
- CN110824957A CN110824957A CN201910958312.6A CN201910958312A CN110824957A CN 110824957 A CN110824957 A CN 110824957A CN 201910958312 A CN201910958312 A CN 201910958312A CN 110824957 A CN110824957 A CN 110824957A
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- Prior art keywords
- circuit
- electrically connected
- timing chip
- adjustable
- time delay
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention discloses a state switching structure with adjustable time delay, which comprises an adjustable time delay circuit, a power-off protection circuit, an adjustable time delay switch component and a mould component, wherein the adjustable time delay circuit comprises a 555 timing chip and a working circuit, and the GND end of the 555 timing chip is grounded; through setting up adjustable delay circuit in the corresponding control circuit of pneumatic cylinder, when the mould carries out work, at first, the knob rotates, the operating time of control pneumatic cylinder in the delay circuit is carried out to the input, make the pneumatic cylinder when carrying out work, make control mould cope match-plate pattern and mould lower bolster keep the pressfitting, keep certain time, and then make the product produce under the fashioned temperature of this mould and become, effectively avoid the poor problem of gas tightness that the gas admission leads to, and the quality of mould product production has been improved, and adjustable delay circuit realizes automatic control to the pneumatic cylinder, thereby effectively avoid needing the trouble of manual going regulation, bring the facility for the user.
Description
The technical field is as follows:
the invention relates to the technical field of adjustable delay circuits, in particular to a state switching structure with adjustable delay.
Background art:
the mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production; in short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts; the processing of the shape of an article is realized mainly by changing the physical state of a formed material; the tool is a tool which is used for making a blank into a finished piece with a specific shape and a specific size under the action of external force; the die is widely applied to the forming processing of blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like, the existing die often has air holes on the die-cast workpiece, the air tightness is poor, the mechanical property of the die is affected, the conditions of fracture and damage are easy to occur, if no adjustable delay circuit is used for carrying out delay adjustment on a hydraulic cylinder, certain pressure maintaining can not be carried out on the die, and therefore, the state switching structure with adjustable delay is provided.
The invention content is as follows:
the invention aims to provide a state switching structure with adjustable time delay, which aims to solve the problems that the existing die proposed in the background art often has air holes on a die-cast workpiece, the air tightness is poor, the mechanical property of the die-cast workpiece is affected, the die-cast workpiece is easy to break and damage, and if an adjustable time delay circuit is not used for carrying out time delay adjustment on a hydraulic cylinder, the die cannot be subjected to certain pressure maintaining.
The invention is implemented by the following technical scheme: a state switching structure with adjustable time delay comprises an adjustable time delay circuit, a power-off protection circuit, an adjustable time delay switch assembly and a mold assembly, wherein the adjustable time delay circuit comprises a 555 timing chip and a working circuit, the GND end of the 555 timing chip is grounded, the TL end of the 555 timing chip is electrically connected with the comparator N2 end of the working circuit, the V0 end of the 555 timing chip is electrically connected with the hydraulic cylinder HSG end of the working circuit, the RD end of the 555 timing chip is electrically connected with the comparator N1 end and the hydraulic cylinder HSG end of the working circuit in series, the CO end of the 555 timing chip is electrically connected with the resistor R4 end and the comparator N1 end of the working circuit in series, the TH end of the 555 timing chip is electrically connected with the comparator N1 end of the working circuit, the D end of the 555 timing chip is electrically connected with the transformer T end of the working circuit, the Ucc end of the 555 timing chip is electrically connected with the resistor R4 end of the working circuit, the comparator N1 end and the comparator N2 end are electrically connected with the potentiometer R5 respectively, the transformer T end is electrically connected with the resistor R1, and the resistor R4 is electrically connected with the resistor R3 and the resistor R2 in series respectively.
As further preferable in the present technical solution: the adjustable time delay switch assembly comprises a shell, a knob and a PLC plate, wherein the knob is rotatably connected to the top of the shell, and the PLC plate is arranged inside the shell.
As further preferable in the present technical solution: the die assembly comprises a base, a lower die plate arranged on the base, a lower jacking oil cylinder arranged on the base, an upper die plate and an upper pressing oil cylinder used for driving the upper pressing oil cylinder to move.
As further preferable in the present technical solution: the power-off protection circuit with the V0 end electric connection of 555 timing chip, power-off protection circuit ' S relay K is connected with 1 foot electricity of diode VD, 2 feet and the positive pole electric connection of electric capacity C2 of diode VD, power-off protection circuit ' S switch S and electric capacity C1 ' S positive pole electric connection.
As further preferable in the present technical solution: the power-off protection circuit is connected with 220V mains supply.
The invention has the advantages that: through setting up adjustable delay circuit in the corresponding control circuit of pneumatic cylinder, when the mould carries out work, at first, the knob rotates, the operating time of control pneumatic cylinder in the delay circuit is carried out to the input, make the pneumatic cylinder when carrying out work, make control mould cope match-plate pattern and mould lower bolster keep the pressfitting, keep certain time, and then make the product produce under the fashioned temperature of this mould and become, effectively avoid the poor problem of gas tightness that the gas admission leads to, and the quality of mould product production has been improved, and adjustable delay circuit realizes automatic control to the pneumatic cylinder, thereby effectively avoid needing the trouble of manual going regulation, bring the facility for the user.
Description of the drawings:
FIG. 1 is a circuit diagram of an adjustable delay of the present invention;
FIG. 2 is a power down protection circuit diagram of the present invention;
FIG. 3 is a schematic diagram of an adjustable delay switch assembly according to the present invention;
FIG. 4 is a schematic view of the construction of the mold assembly of the present invention;
FIG. 5 is a schematic view of the internal structure of the upper mold plate according to the present invention;
FIG. 6 is a schematic view of the internal structure of the upper cover of the present invention.
In the figure: 10. an adjustable delay switch assembly; 11. an outer housing; 12. a knob; 13. a PLC board; 20. a mold assembly; 23. an upper pressing oil cylinder; 24. an upper die plate; 25. a lower jacking oil cylinder; 26. pressing down the die plate; 27. a base; 241. a pressure equalizing cavity; 242. a sliding cavity; 243. a squeeze piston; 244. a connecting rod; 245. a piston baffle; 246. a through hole; 247. a safety slide plug; 249. a limiting cylinder; 248. a sliding post; 250. an upper cover; 251. a safety block; 252. a disc spring; 253. a proximity switch; 254. a weakened portion.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: a state switching structure with adjustable time delay comprises an adjustable time delay circuit, a power-off protection circuit, an adjustable time delay switch component 10 and a mold component 20, wherein the adjustable time delay circuit comprises a 555 timing chip and a working circuit, a GND end of the 555 timing chip is grounded, a TL end of the 555 timing chip is electrically connected with a comparator N2 end of the working circuit, a V0 end of the 555 timing chip is electrically connected with a hydraulic cylinder HSG end of the working circuit, an RD end of the 555 timing chip is respectively electrically connected with a comparator N1 end and a hydraulic cylinder HSG end of the working circuit in series, a CO end of the 555 timing chip is respectively electrically connected with a resistor R4 end and a comparator N1 end of the working circuit in series, a TH end of the 555 timing chip is electrically connected with a comparator N1 end of the working circuit, a D end of the 555 timing chip is electrically connected with a transformer T end of the working circuit, the Ucc end of the 555 timing chip is electrically connected with the resistor R4 end of the working circuit, the comparator N1 end and the comparator N2 end are respectively and electrically connected with a potentiometer R5, the transformer T end is electrically connected with a resistor R1, and the resistor R4 is respectively and electrically connected with a resistor R3 and a resistor R2 in series; the adjustable delay circuit is arranged in the corresponding control circuit of the hydraulic cylinder, when the die works, firstly, the knob 12 is rotated to input the working time of the control hydraulic cylinder in the delay circuit, so that the hydraulic cylinder is automatically controlled by the adjustable delay circuit diagram when the hydraulic cylinder works, the trouble of manually adjusting is effectively avoided, and convenience is brought to a user.
In this embodiment, specifically: adjustable time delay switch subassembly 10 includes shell body 11, knob 12 and PLC board 13, the top of shell body 11 is rotated and is connected with knob 12, the inside of shell body 11 is equipped with PLC board 13.
In this embodiment, specifically: the die assembly 20 comprises a base, a lower die plate arranged on the base, a lower jacking oil cylinder arranged on the base, an upper die plate and an upper pressing oil cylinder for driving the upper die plate to move; the upper die plate and the lower die plate are combined together under the action of the upper pressing oil cylinder, and under the action of the upper pressing oil cylinder, the pressure is kept for a preset time as required, then the upper pressing die plate is moved upwards to relieve the pressure, and in order to ensure the pressing effect, in the embodiment, the upper pressing plate 24 is provided with a pressure equalizing cavity 241 filled with grease inside and a sliding cavity 242 communicated with the pressure equalizing cavity 241, a pressing piston 243 is arranged in the sliding cavity, a connecting rod 244 connected with the upper pressing oil cylinder is arranged on the pressing piston, a piston baffle 245 is screwed and fixed on the upper pressing plate 24, and a sealing ring is arranged on the pressing piston 243, so that the pressing force of the upper pressing oil cylinder acts on the pressing piston which acts on the grease again, and the grease can generate a uniform pressure on the upper pressing plate due to the characteristics of the grease, the problem caused by pressure concentration in the past is avoided, the quality of products manufactured by the die is ensured, and further, in order to prevent defective products and safety accidents caused by overlarge pressure, the upper pressing plate is provided with a mounting hole 246 communicated with the pressure equalizing cavity, a safety sliding plug 247 is arranged in the mounting hole, the safety sliding plug is connected with a sliding column 248, the upper pressing plate is in threaded connection with a limiting cylinder 249, the limiting cylinder can block the safety sliding plug 247 from falling off, the upper end of the sliding column is positioned in the limiting cylinder, the top end of the limiting cylinder is in threaded connection with an upper cover 250, the sliding column is provided with a pair of safety blocks 251, the sliding column is sleeved with a plurality of disc springs 252, the plurality of disc springs are positioned between the pair of safety blocks and the upper cover 250, and the root part of the safety blocks 251 connected with the sliding column is provided with a thin part 254; be equipped with proximity switch 253 directly over the slip post, proximity switch and alarm are connected, there is the activity space between proximity switch and the slip post top surface, such structure, in normal work, the grease produces a pressure to safe slip stopper 247, make a plurality of dish springs of safety block extrusion through safe slip stopper 247, a plurality of dish springs have a very small deformation under normal pressure, when the problem appears, pressure sharply risees, weak part 252 breaks off, the slip post rebound is close proximity switch, proximity switch senses the slip post top, it signals, make the alarm report to the police, can enough relieve the pressure hidden danger, the warning effect has been played again.
In this embodiment, specifically: the power-off protection circuit with the V0 end electric connection of 555 timing chip, power-off protection circuit ' S relay K is connected with 1 foot electricity of diode VD, 2 feet and the positive pole electric connection of electric capacity C2 of diode VD, power-off protection circuit ' S switch S and electric capacity C1 ' S positive pole electric connection.
In this embodiment, specifically: the power-off protection circuit is connected to 380V industrial electricity.
Working principle or structure principle, during the use, set up adjustable delay circuit in the corresponding control circuit of pneumatic cylinder, carry out the during operation at the mould, at first, rotatory knob 12, the operating time of control pneumatic cylinder in the input delay circuit, make the pneumatic cylinder carry out the during operation, control mould cope match-plate pattern 24 keeps the pressfitting with mould lower bolster 26, keep certain time, and then make the product produce to mould under this mould fashioned temperature and become, effectively avoid the poor problem of gas tightness that the gaseous entering leads to, and make fashioned mechanical properties and outward appearance obtain better improvement, and adjustable delay circuit carries out automatic control to the pneumatic cylinder, thereby effectively avoid needing the trouble of manual going to adjust, bring the facility for the user.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a state switches structure with adjustable time delay, includes adjustable delay circuit, power-off protection circuit, adjustable time delay switch subassembly (10) and mould subassembly (20), its characterized in that: the adjustable time delay circuit comprises a 555 timing chip and a working circuit, the GND end of the 555 timing chip is grounded, the TL end of the 555 timing chip is electrically connected with the N2 end of the working circuit, the V0 end of the 555 timing chip is electrically connected with the HSG end of the hydraulic cylinder of the working circuit, the RD end of the 555 timing chip is respectively electrically connected with the N1 end and the HSG end of the hydraulic cylinder of the working circuit in series, the CO end of the 555 timing chip is respectively electrically connected with the R4 end and the N1 end of the working circuit in series, the TH end of the 555 timing chip is electrically connected with the N1 end of the working circuit, the D end of the 555 timing chip is electrically connected with the T end of the transformer of the working circuit, the Ucc end of the 555 timing chip is electrically connected with the R4 end of the working circuit, and the N1 end and the N2 end of the comparator are respectively electrically connected with a potentiometer R5, the T end of the transformer is electrically connected with a resistor R1, and the resistor R4 is electrically connected with a resistor R3 and a resistor R2 in series respectively.
2. A state switching architecture with adjustable delay as claimed in claim 1, wherein: the adjustable delay switch assembly (10) comprises an outer shell (11), a knob (12) and a PLC board (13), wherein the top of the outer shell (11) is rotatably connected with the knob (12), and the PLC board (13) is arranged inside the outer shell (11).
3. A state switching architecture with adjustable delay as claimed in claim 1, wherein: the die assembly (20) comprises a base, a lower die plate arranged on the base, a lower jacking oil cylinder arranged on the base, an upper die plate and an upper pressing oil cylinder used for driving the upper pressing oil cylinder to move.
4. A state switching architecture with adjustable delay as claimed in claim 1, wherein: the power-off protection circuit with the V0 end electric connection of 555 timing chip, power-off protection circuit ' S relay K is connected with 1 foot electricity of diode VD, 2 feet and the positive pole electric connection of electric capacity C2 of diode VD, power-off protection circuit ' S switch S and electric capacity C1 ' S positive pole electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910958312.6A CN110824957A (en) | 2019-10-10 | 2019-10-10 | State switching structure with adjustable time delay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910958312.6A CN110824957A (en) | 2019-10-10 | 2019-10-10 | State switching structure with adjustable time delay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110824957A true CN110824957A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910958312.6A Pending CN110824957A (en) | 2019-10-10 | 2019-10-10 | State switching structure with adjustable time delay |
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| CN (1) | CN110824957A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935417A (en) * | 2005-09-23 | 2007-03-28 | 王禄山 | Golf club head batting surface and its manufacturing method |
| JP2008129897A (en) * | 2006-11-22 | 2008-06-05 | Bridgestone Corp | Method of adjusting production command |
| CN202286346U (en) * | 2011-10-24 | 2012-07-04 | 姚学东 | Cup molding machine with foot-operated switch |
| CN102632681A (en) * | 2012-04-28 | 2012-08-15 | 昆山迈致治具科技有限公司 | Automatic pressing fixture for flat-panel touch screen gum |
| CN203994501U (en) * | 2014-08-23 | 2014-12-10 | 郎洪明 | Y-type filter production mould |
| CN204431751U (en) * | 2015-01-13 | 2015-07-01 | 北京希翼新兴能源科技有限公司 | Blower fan fiberglass blade die turnover apparatus |
| CN104757157A (en) * | 2015-04-24 | 2015-07-08 | 福建省天丰源茶产业有限公司 | Device for pressing tea cake and control method thereof |
| CN105896231A (en) * | 2016-05-31 | 2016-08-24 | 深圳亚力盛科技有限公司 | Pneumatic vertical line pressing device and line pressing method thereof |
| CN207189825U (en) * | 2017-08-28 | 2018-04-06 | 东莞市晶兴印刷有限公司 | A kind of sheet material is special except useless machine |
-
2019
- 2019-10-10 CN CN201910958312.6A patent/CN110824957A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935417A (en) * | 2005-09-23 | 2007-03-28 | 王禄山 | Golf club head batting surface and its manufacturing method |
| JP2008129897A (en) * | 2006-11-22 | 2008-06-05 | Bridgestone Corp | Method of adjusting production command |
| CN202286346U (en) * | 2011-10-24 | 2012-07-04 | 姚学东 | Cup molding machine with foot-operated switch |
| CN102632681A (en) * | 2012-04-28 | 2012-08-15 | 昆山迈致治具科技有限公司 | Automatic pressing fixture for flat-panel touch screen gum |
| CN203994501U (en) * | 2014-08-23 | 2014-12-10 | 郎洪明 | Y-type filter production mould |
| CN204431751U (en) * | 2015-01-13 | 2015-07-01 | 北京希翼新兴能源科技有限公司 | Blower fan fiberglass blade die turnover apparatus |
| CN104757157A (en) * | 2015-04-24 | 2015-07-08 | 福建省天丰源茶产业有限公司 | Device for pressing tea cake and control method thereof |
| CN105896231A (en) * | 2016-05-31 | 2016-08-24 | 深圳亚力盛科技有限公司 | Pneumatic vertical line pressing device and line pressing method thereof |
| CN207189825U (en) * | 2017-08-28 | 2018-04-06 | 东莞市晶兴印刷有限公司 | A kind of sheet material is special except useless machine |
Non-Patent Citations (1)
| Title |
|---|
| 张宪、张大鹏主编: "《实用电子爱好者初级读本》", 31 August 2016 * |
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Application publication date: 20200221 |
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