CN106273281A - Automatic shearing system in a kind of mould - Google Patents
Automatic shearing system in a kind of mould Download PDFInfo
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- CN106273281A CN106273281A CN201510314751.5A CN201510314751A CN106273281A CN 106273281 A CN106273281 A CN 106273281A CN 201510314751 A CN201510314751 A CN 201510314751A CN 106273281 A CN106273281 A CN 106273281A
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- mould
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- oil
- oil cylinder
- cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses automatic shearing system in a kind of mould, it is characterized in that, the control mainboard including control rack, being located in control rack, the display screen being connected with control mainboard and oil pump, oil pump connects high pressure petrol station；Described high pressure petrol station oil circuit connects high-voltage oil cylinder, high-voltage oil cylinder is located in mould；Described mould includes fixed half and moving half, forms formed product chamber between fixed half and moving half, is provided with injection feed channel between fixed half and moving half, and injection feed channel and junction, formed product chamber are provided with cast gate and shear position；Described high-voltage oil cylinder is located at cast gate and is sheared below position, and high-voltage oil cylinder inner carrier connects cutting knife, and high pressure petrol station drives the piston up-down in high-voltage oil cylinder, drives cutting knife to move up and down and carries out cast gate shearing.
Description
Technical field
The present invention relates to mould processing technique field, particularly relate to automatic shearing system in the mould being driven high-voltage oil cylinder, oil cylinder piston to promote cutting knife to move by high pressure petrol station, high pressure petrol station.
Background technology
Generally working of plastics is after moulding, and stub bar is connected by cast gate with product, and workman needs to prune the material at cast gate, and labor intensity is big, and cast gate is pruned and out-of-flatness is attractive in appearance.The most big for the usage amount of working of plastics, make the volume of production of plastics steeply rise with quality；But the rise due to the cost such as the prices of raw materials, wage for workmen in recent years, it is growing more intense plus the market competition, the profit of enterprise is constantly declining, how to reduce cost, can improve again product surface quality, by technological improvement, to realize automated production be the extremely urgent major issue of vast plastics-production enterprise.From top board, cutting knife is ejected by gate cutting when existing solution is die sinking, both approaches is all to shear after die sinking, the hardest owing to now expecting, gate land out-of-flatness after shearing is attractive in appearance, product quality does not increases, still repeatedly artificial pruning could be by otch decurl for needs, and labor intensity is the biggest, adds cost of labor.It addition, cannot carry out automatic shearing in prior art mold, its reason is, the oil cylinder volume that is conventional is excessive, and the space inside mould cannot meet the oil cylinder of large volume and install；Two is the dynamics that the pressure of oil pressure unit is unable to reach automatic shearing.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides and a kind of driven high-voltage oil cylinder, high-voltage oil cylinder piston to promote the system of automatic shearing in the mould of cutting knife motion by high pressure petrol station, high pressure petrol station.
The technical solution adopted in the present invention is: automatic shearing system in a kind of mould, it is characterized in that, it is characterised in that: including the control mainboard controlling rack, being located in control rack, the display screen being connected with control mainboard and oil pump, oil pump connects high pressure petrol station；Described high pressure petrol station oil circuit connects high-voltage oil cylinder, high-voltage oil cylinder is located in mould；Described mould includes fixed half and moving half, forms formed product chamber between fixed half and moving half, is provided with injection feed channel between fixed half and moving half, and injection feed channel and junction, formed product chamber are provided with cast gate and shear position；Described high-voltage oil cylinder is located at cast gate and is sheared below position, and high-voltage oil cylinder inner carrier connects cutting knife, and high pressure petrol station drives the piston up-down in high-voltage oil cylinder, drives cutting knife to move up and down and carries out cast gate shearing.
Described high pressure petrol station includes that fuel tank, fuel tank connect oil pump, oil pump connects a pressurizing cylinder by oil-way pipe；Described pressurizing cylinder is provided with high-pressure oil passage joint, connects a high-pressure oil pipe by high-pressure oil passage joint, exports hydraulic oil to high-voltage oil cylinder, and the other end of high-pressure oil pipe is provided with a pressure transducer, and pressure transducer is connected with the control mainboard signal controlling rack.Operation of oil pump is to pressurizing cylinder oil transportation, promote piston, oil is pushed to pressure transducer and output high-pressure oil passage by piston rod, when pressure transducer senses that pressure reaches to set pressure and sends termination signal to oil pump, oil pump quits work, and keeps pressure, when equipment arranges dwell time arrival, electromagnetic valve will pass to solenoid check valve signal, allows its stopping closed state opening valve and carries out pressure release oil extraction.
It is fixing that described pressurizing cylinder includes that upper cylinder body, lower cylinder body, upper cylinder body and lower cylinder body are connected by screw, is provided with piston in the cylinder body of upper cylinder body and lower cylinder body composition, and piston upper end is provided with high voltage U-shaped sealing ring, and piston is provided with the U-shaped sealing ring of low pressure；Upper cylinder body and lower cylinder body are provided with a solenoid check valve.
The solenoid check valve of described upper cylinder body connects a high pressure relief oil pipe, and high pressure relief oil pipe connects fuel tank；The solenoid check valve of described lower cylinder body connects a low pressure relief oil pipe, and low pressure relief oil pipe connects fuel tank.
Described solenoid check valve is provided with upper valve core and bottom spool in including valve body, valve body, bottom spool connects a valve rod, valve stem end is provided with copper band sealing member, valve rod is provided with interior outer magnetizer, it is wrapped in electromagnetic valve coil in the periphery of interior outer magnetizer, electromagnetic valve coil connects a controller, controller is connected with the control mainboard signal controlling rack, after receiving control instruction, solenoid check valve energising produces powerful magnetic force, magnetic force is transferred to interior outer magnetizer, upper valve core and bottom spool are drawn through, realize spool to open, carry out pressure release.
Described cover half intracavity bottom is provided with mounting groove for installing high-voltage oil cylinder, and mounting groove is provided with the pressing plate being connected with high-voltage oil cylinder, and pressing plate is provided with screw and fixes；Described high-voltage oil cylinder inner carrier connects cutting knife, cutting knife is provided with the back-moving spring being connected with cutting knife in being externally provided with broach shell, broach shell, is provided with polyfluoroprene circle, is provided with Glais ring in high-voltage oil cylinder bottom described high-voltage oil cylinder.
The outer that described fixed half and moving half fastens is provided with a limit switch, and limit switch is connected with the control mainboard signal controlling rack.
The invention have the benefit that the plasthetics that present plastic mould is produced need to use artificial shearing pouring gate, or separately do fixture manual operation fixture and carry out manual hobbing.The automatic shearing system of the present invention uses and carries out high-voltage high-speed shearing inside mould.The high-voltage oil cylinder with high speed cutter of autonomous Design is loaded onto inside mould, outside is equipped with high pressure petrol station and controls oil cylinder and cutting knife, and mould synchronous working, at injection machine toward after penetrating full glue in mould, high pressure petrol station receives designated command oil cylinder and cutting knife work, shearing pouring gate.Product opened by mould and cast gate has been separated from, it is not necessary to artificial shearing can directly pack shipment, improves production efficiency and saves cost of labor.
Accompanying drawing explanation
Fig. 1 is the overall system architecture principle schematic of the present invention.
Fig. 2 is that the fuel tank of the present invention connects oil pump, pressurizing cylinder structural principle schematic diagram.
Fig. 3 is the solenoid check valve structural representation of the present invention.
Fig. 4 is the high-voltage oil cylinder structural representation of the present invention.
Detailed description of the invention
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Refer to accompanying drawing 1 to Fig. 4, automatic shearing system in a kind of mould, it is characterised in that: including the control mainboard controlling rack 1, being located in control rack 1, the display screen being connected with control mainboard and oil pump 202, oil pump 202 connects high pressure petrol station 2；Described high pressure petrol station 2 oil circuit connects high-voltage oil cylinder 4, high-voltage oil cylinder 4 is located in mould；Described mould includes cover half 302 and dynamic model 301, forms formed product chamber between cover half 302 and dynamic model 301, is provided with injection feed channel between cover half 302 and dynamic model 301, and injection feed channel and junction, formed product chamber are provided with cast gate and shear position 304；Described high-voltage oil cylinder 4 is located at cast gate and is sheared below position 304, and high-voltage oil cylinder 4 inner carrier connects cutting knife 401, and high pressure petrol station 2 drives the piston 402 in high-voltage oil cylinder 4 to move up and down, and drives cutting knife 401 to move up and down and carries out cast gate shearing.
Described high pressure petrol station 2 includes that fuel tank 201, fuel tank 201 connect oil pump 202, oil pump 202 connects a pressurizing cylinder by oil-way pipe；Described pressurizing cylinder is provided with high-pressure oil passage joint 209, a high-pressure oil pipe 211 is connected by high-pressure oil passage joint 209, exporting hydraulic oil to high-voltage oil cylinder 4, the other end of high-pressure oil pipe 211 is provided with a pressure transducer 210, and pressure transducer 210 is connected with the control mainboard signal controlling rack 1.
Described pressurizing cylinder includes upper cylinder body 204, lower cylinder body 205, upper cylinder body 204 and lower cylinder body 205 connect fixing by screw 206, it is provided with piston 207 in the cylinder body of upper cylinder body 204 and lower cylinder 205 body composition, piston 207 upper end is provided with high voltage U-shaped sealing ring 208, and piston 207 lower end is provided with the U-shaped sealing ring of low pressure 208；Upper cylinder body 204 and lower cylinder body 205 are provided with a solenoid check valve 21.Supercharging formula is as follows: cylinder body area (square centimeter) is multiplied by pressure fuel pump, and 55*55*3.14 is divided by 100*15mpa=1425Mpa(14250KG), say, that this kind of pressurized cylinder theoretical pressure can reach 14.25 tons.
The solenoid check valve 21 of described upper cylinder body 204 connects a high pressure relief oil pipe 213, and high pressure relief oil pipe 213 connects fuel tank 201；The solenoid check valve 21 of described lower cylinder body 205 connects a low pressure relief oil pipe 214, and low pressure relief oil pipe 214 connects fuel tank 201.
Described solenoid check valve 21 includes valve body 215, upper valve core 216 and bottom spool 217 it is provided with in valve body 215, bottom spool 217 connects a valve rod 218, valve rod 218 end is provided with copper band sealing member 219, valve rod 218 is provided with interior magnetic conductor 221 and outer magnetizer 222, it is wrapped in electromagnetic valve coil 220 in the periphery of interior magnetic conductor 221 and outer magnetizer 222, electromagnetic valve coil 220 connects a controller 223, controller 223 is connected with the control mainboard signal controlling rack 1, after receiving control instruction, solenoid check valve 21 energising produces powerful magnetic force, magnetic force is transferred to interior magnetic conductor 221 and outer magnetizer 222, upper valve core 216 and bottom spool 217 are drawn through, realize spool to open, carry out pressure release.
Described cover half 302 intracavity bottom is provided with mounting groove for installing high-voltage oil cylinder 4, and mounting groove is provided with the pressing plate 405 being connected with high-voltage oil cylinder 4, and pressing plate 405 is provided with screw 404 and fixes；Described high-voltage oil cylinder 4 inner carrier 406 connects cutting knife 401, cutting knife 401 is externally provided with broach shell 402, be provided with the back-moving spring 403 being connected with cutting knife 401 in broach shell 402, is provided with polyfluoroprene circle 409, is provided with Glais ring 408 in high-voltage oil cylinder 4 bottom described high-voltage oil cylinder 4.
The outer that described cover half 302 and dynamic model 301 fasten is provided with a limit switch 303, and limit switch 303 is connected with the control mainboard signal controlling rack 1.
Oil pump 202 works to pressurizing cylinder oil transportation, promote piston 207, oil is pushed to pressure transducer 210 and output circuit by piston rod, when pressure transducer 210 senses that pressure reaches to set pressure and termination signal sends to oil pump 202, oil pump 202 quits work, and keeps pressure, when equipment arranges dwell time arrival, control mainboard and signal will be passed to solenoid check valve, allow its stopping closed state opening valve and carry out pressure release oil extraction.
Its operation principle is: mold clamp, closes up limit switch 303 after putting in place and delivers a signal to control mainboard, controls mainboard transmission signal instruction to high pressure petrol station 2, injection molding machine injection, after shooting away glue, high pressure petrol station 2 work starts upper pressure, and after upper pressure, high-voltage oil cylinder 4 starts up, piston 406 promotes cutting knife about 401 high-speed motion, completing to shear, petrol station 2 pressure release, high-voltage oil cylinder 4 is return, cutting knife 401 is return, mould is opened and is taken out plasthetics, and goods and cast gate are the most separated, it is not necessary to reprocessing.
The above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.And still fall within protection scope of the present invention for belonging to obvious change that the connotation of the present invention extended out or variation.
Claims (7)
1. automatic shearing system in a mould, it is characterised in that: including the control mainboard controlling rack (1), being located in control rack (1), the display screen being connected with control mainboard and oil pump (202), oil pump (202) connects high pressure petrol station (2)；Described high pressure petrol station (2) oil circuit connects high-voltage oil cylinder (4), high-voltage oil cylinder (4) is located in mould；Described mould includes cover half (302) and dynamic model (301), formed product chamber is formed between cover half (302) and dynamic model (301), being provided with injection feed channel between cover half (302) and dynamic model (301), injection feed channel and junction, formed product chamber are provided with cast gate and shear position (304)；Described high-voltage oil cylinder (4) is located at cast gate and is sheared lower section, position (304), high-voltage oil cylinder (4) inner carrier connects cutting knife (401), high pressure petrol station (2) drives the piston (402) in high-voltage oil cylinder (4) to move up and down, and drives cutting knife (401) to move up and down and carries out cast gate shearing.
Automatic shearing system in a kind of mould the most according to claim 1, it is characterised in that: described high pressure petrol station (2) includes that fuel tank (201), fuel tank (201) connect oil pump (202), oil pump (202) connects a pressurizing cylinder by oil-way pipe；Described pressurizing cylinder is provided with high-pressure oil passage joint (209), a high-pressure oil pipe (211) is connected by high-pressure oil passage joint (209), by hydraulic oil output to high-voltage oil cylinder (4), the other end of high-pressure oil pipe (211) is provided with a pressure transducer (210), and pressure transducer (210) is connected with the control mainboard signal controlling rack (1).
Automatic shearing system in a kind of mould the most according to claim 2, it is characterized in that: described pressurizing cylinder includes upper cylinder body (204), lower cylinder body (205), upper cylinder body (204) and lower cylinder body (205) connect fixing by screw (206), it is provided with piston (207) in the cylinder body of upper cylinder body (204) and lower cylinder (205) body composition, piston (207) upper end is provided with high voltage U-shaped sealing ring (208), and piston (207) lower end is provided with the U-shaped sealing ring of low pressure (208)；Upper cylinder body (204) and lower cylinder body (205) are provided with a solenoid check valve (21).
Automatic shearing system in a kind of mould the most according to claim 3, it is characterised in that: the solenoid check valve (21) of described upper cylinder body (204) connects a high pressure relief oil pipe (213), and high pressure relief oil pipe (213) connects fuel tank (201)；The solenoid check valve (21) of described lower cylinder body (205) connects a low pressure relief oil pipe (214), and low pressure relief oil pipe (214) connects fuel tank (201).
nullAutomatic shearing system in a kind of mould the most according to claim 3，It is characterized in that: described solenoid check valve (21) includes valve body (215)、Upper valve core (216) and bottom spool (217) it is provided with in valve body (215)，Bottom spool (217) connects a valve rod (218)，Valve rod (218) end is provided with copper band sealing member (219)，Valve rod (218) is provided with interior magnetic conductor (221) and outer magnetizer (222)，It is wrapped in electromagnetic valve coil (220) in the periphery of interior magnetic conductor (221) and outer magnetizer (222)，Electromagnetic valve coil (220) connects a controller (223)，Controller (223) is connected with the control mainboard signal controlling rack (1)，After receiving control instruction，Solenoid check valve (21) energising produces powerful magnetic force，Magnetic force is transferred to interior magnetic conductor (221) and outer magnetizer (222)，Upper valve core (216) and bottom spool (217) are drawn through，Realize spool to open，Carry out pressure release.
Automatic shearing system in a kind of mould the most according to claim 1, it is characterized in that: described cover half (302) intracavity bottom is provided with mounting groove for installing high-voltage oil cylinder (4), mounting groove is provided with the pressing plate (405) being connected with high-voltage oil cylinder (4), and pressing plate (405) is provided with screw (404) and fixes；Described high-voltage oil cylinder (4) inner carrier (406) connects cutting knife (401), cutting knife (401) is provided with the back-moving spring (403) being connected with cutting knife (401) in being externally provided with broach shell (402), broach shell (402), described high-voltage oil cylinder (4) bottom is provided with polyfluoroprene circle (409), is provided with Glais ring (408) in high-voltage oil cylinder (4).
Automatic shearing system in a kind of mould the most according to claim 1, it is characterized in that: the outer that described cover half (302) and dynamic model (301) fasten is provided with a limit switch (303), limit switch (303) is connected with the control mainboard signal controlling rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314751.5A CN106273281A (en) | 2015-06-10 | 2015-06-10 | Automatic shearing system in a kind of mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314751.5A CN106273281A (en) | 2015-06-10 | 2015-06-10 | Automatic shearing system in a kind of mould |
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| Publication Number | Publication Date |
|---|---|
| CN106273281A true CN106273281A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510314751.5A Pending CN106273281A (en) | 2015-06-10 | 2015-06-10 | Automatic shearing system in a kind of mould |
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| CN (1) | CN106273281A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819139A (en) * | 2018-05-30 | 2018-11-16 | 潘勇 | Automotive bumper mold mould inscribe cast gate control system |
| CN113334708A (en) * | 2021-06-07 | 2021-09-03 | 鱼肠模内切科技(深圳)有限公司 | Hot cutting control module in injection molding machine die and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07329124A (en) * | 1994-06-13 | 1995-12-19 | Meiki Co Ltd | Control of disk molding machine |
| CN203236685U (en) * | 2013-05-03 | 2013-10-16 | 洪绍阳 | Oil pressure driving device of in-mold functional assembly |
| CN203272272U (en) * | 2013-04-26 | 2013-11-06 | 谢国辉 | Ultrahigh pressure supercharger |
| CN203730456U (en) * | 2014-01-07 | 2014-07-23 | 洪绍阳 | Mini-type high-pressure oil hydraulic cylinder |
| TWM483166U (en) * | 2014-03-11 | 2014-08-01 | Shao-Yang Hung | Two-stage hydraulic pressurization device for in-mold functional components |
-
2015
- 2015-06-10 CN CN201510314751.5A patent/CN106273281A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07329124A (en) * | 1994-06-13 | 1995-12-19 | Meiki Co Ltd | Control of disk molding machine |
| CN203272272U (en) * | 2013-04-26 | 2013-11-06 | 谢国辉 | Ultrahigh pressure supercharger |
| CN203236685U (en) * | 2013-05-03 | 2013-10-16 | 洪绍阳 | Oil pressure driving device of in-mold functional assembly |
| CN203730456U (en) * | 2014-01-07 | 2014-07-23 | 洪绍阳 | Mini-type high-pressure oil hydraulic cylinder |
| TWM483166U (en) * | 2014-03-11 | 2014-08-01 | Shao-Yang Hung | Two-stage hydraulic pressurization device for in-mold functional components |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819139A (en) * | 2018-05-30 | 2018-11-16 | 潘勇 | Automotive bumper mold mould inscribe cast gate control system |
| CN113334708A (en) * | 2021-06-07 | 2021-09-03 | 鱼肠模内切科技(深圳)有限公司 | Hot cutting control module in injection molding machine die and control method |
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Application publication date: 20170104 |