CN116141599A - Exhaust gas collecting device for die manufacturing - Google Patents
Exhaust gas collecting device for die manufacturing Download PDFInfo
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- CN116141599A CN116141599A CN202310395303.7A CN202310395303A CN116141599A CN 116141599 A CN116141599 A CN 116141599A CN 202310395303 A CN202310395303 A CN 202310395303A CN 116141599 A CN116141599 A CN 116141599A
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- air
- groove
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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
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
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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
- B29C45/1742—Mounting of moulds; Mould supports
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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
- B29C45/26—Moulds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of mold production waste gas treatment, in particular to a mold manufacturing waste gas collecting device which comprises a processing table, an injection molding machine arranged in a fixing frame and an electric pushing cylinder arranged at the top of the fixing frame, wherein the processing table is provided with a plurality of air inlets; the top surface of the processing table is provided with a lower die, the bottom of the lifting table is provided with an inner die, and the top surface of the lower die is provided with an inner die groove; the top of the bearing seat is provided with a sealing supporting plate; a driving mechanism is arranged in the fixed box; an air extraction mechanism is arranged in the jacking column; the beneficial effects of the invention are as follows: through the cooperation of supporting seat and air extraction mechanism and actuating mechanism, take out the operation before the mould to the inside air of centre form inslot, be convenient for make the inside unnecessary air discharge of centre form inslot before moulding plastics, avoid appearing the inside gas of interior mould inslot and experience the compression of moulding plastics liquid and produce the condition of back pressure, can prevent that this kind of back pressure from causing the resistance to the filling mould flow of moulding plastics liquid, be convenient for make the molten plastics that moulds plastics can normal quick fill the mould, effectively improve the product quality after the mould goods shaping.
Description
Technical Field
The invention relates to the technical field of mold production waste gas treatment, in particular to a mold manufacturing waste gas collecting device.
Background
The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and accurate dimensions, the injection molding is a processing method used when producing parts with complex shapes in batches, specifically, the injection mold is used for injecting heated and melted plastics into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying are carried out to obtain a formed product;
however, when the mold is manufactured, gas can appear in the mold cavity of the mold, and the gas in the inner mold cavity is compressed by injection molding liquid to generate counter pressure, so that the counter pressure increases the resistance of the injection molding liquid in mold filling flow, and molten plastic is prevented from being normally and rapidly filled, so that the mold cavity cannot be filled, and the edges of the plastic are unclear; and the product can be caused to present obvious visible flow marks and fusion seams, and the mechanical property of the product is reduced; meanwhile, after the injection molding liquid compresses the original gas in the internal mold groove, the gas can infiltrate into the inner layer of the plastic, so that the plastic has surface quality defects such as silver marks, air holes, loose tissues, peeling and the like; therefore, an improvement is required to deal with the above problems.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: when the mold is manufactured, gas can be generated in the mold cavity of the mold, and the gas is generated in the process of manufacturing products by the mold, wherein the gas in the inner mold cavity is compressed by injection liquid to generate counter pressure, and the counter pressure increases the resistance of the injection liquid to the mold filling flow, prevents the molten plastic from being normally and rapidly filled, so that the mold cavity cannot be filled, and the edges of the plastic are unclear; and the product can be caused to present obvious visible flow marks and fusion seams, and the mechanical property of the product is reduced; meanwhile, after the injection molding liquid compresses the original gas in the internal mold groove, the gas can infiltrate into the inner layer of the plastic, so that the plastic has surface quality defects such as silver marks, air holes, loose tissues, peeling and the like.
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a mould manufacturing exhaust gas collection device, includes processing platform, locates the mounting bracket of the rear end at processing platform top, locates the elevating platform of processing platform top, locates the mount at elevating platform top, installs the injection molding machine at the inside of mount and locates the electricity of mounting bracket top and push away the jar, the flexible end bottom of electricity pushes away the jar and the top rigid coupling of mount; the top surface of the processing table is provided with a lower die, the bottom of the lifting table is provided with an inner die, and the top surface of the lower die is provided with an inner die groove matched with the inner die; the inner bottom surface of the inner die groove is provided with a storage groove, a bearing seat is horizontally movably arranged in the storage groove, and the top of the bearing seat is horizontally provided with a sealing supporting plate;
the bottom surface of the lower die is provided with a containing groove, a fixed box is arranged in the containing groove, two sides of the inner bottom surface of the containing groove are vertically provided with stabilizing ports communicated with the containing groove, the inside of each stabilizing port is vertically movably provided with a jacking column, and a driving mechanism for lifting the jacking column is arranged in the fixed box; and an air exhaust mechanism matched with the bearing seat and used for exhausting air in the inner die cavity is arranged in the jacking column.
The beneficial effects of the invention are as follows: through the cooperation of the bearing bracket, the air extraction mechanism and the driving mechanism, the annular pore canal and the air collection cavity are conveniently subjected to air extraction operation under the action of the bottom stabilizing tube and the sealing ring plate, and then air in the inner mold groove is conveniently extracted before injection molding of the mold, redundant air in the inner mold groove is conveniently discharged before injection molding, the condition that the back pressure is generated due to the fact that air in the inner mold groove is compressed by injection molding liquid is avoided, the back pressure can be prevented from causing resistance to the mold filling flow of the injection molding liquid, the injection molding molten plastic can be conveniently and normally filled into the mold cavity, and the situation that edges of the plastic mold are unclear is effectively prevented; the product quality of the molded die product is effectively improved.
As a further improvement of the present invention, the technical problem to be solved is: if only exhaust gas generated in the injection molding process is pumped out and directly discharged, air can be polluted.
In order to solve the technical problems, the invention further adopts the following technical scheme: an inflation assembly is arranged in the middle of the top surface of the fixed box; the inner walls of the two sides of the accommodating groove are respectively provided with a purifying box, the upper parts of the purifying boxes are transversely communicated with each other and are provided with an exhaust pipe, the outer ends of the exhaust pipes penetrate out of the lower die, and the outer ends of the exhaust pipes are bent upwards; and a plurality of filter core cottons are equidistantly arranged in the exhaust pipe.
The beneficial effects of the improvement are as follows: through the cooperation of blast pipe and purifying box, be convenient for collect the purification to the waste gas of taking out to with the gaseous discharge after the purification, avoid the waste gas of taking out to cause the pollution to the air.
The invention adopts the technical scheme that: the inner wall edge of the storage groove is provided with a lap joint groove, the bottom surface of the periphery side of the sealing support plate is abutted inside the lap joint groove, and a reserved groove for forming the low edge of the die is reserved between the sealing support plate and the lap joint groove.
The beneficial effects of the improvement are as follows: through the setting of reservation groove, be convenient for after the injection molding liquid fills the entering, can make its bottom form a bearing circle after the mould shaping, be convenient for simultaneously when starting servo motor drive lead screw corotation, can promote the bearing bracket through the jacking post that rises and lift up after completely, can jack-up the drawing of patterns with the mould after the shaping, be convenient for take the operation to the fashioned mould.
As a further improvement of the present invention, the technical problem to be solved is: if only the supporting seat is provided with the ventilation bevel opening, when the supporting seat returns and does not move, air generated in injection molding liquid injected into the die cavity can be retained in the die cavity and cannot be discharged, so that the quality of the injection molded die is affected.
In order to solve the technical problems, the invention further adopts the following technical scheme: the bearing seat is characterized in that the bearing seat is internally provided with an air collecting cavity, a plurality of ventilation bevel gears are formed in the periphery of the outer wall of the bearing seat at equal intervals, a plurality of exhaust grooves are formed in the periphery of the top of the sealing supporting plate, an upward-inclined air leakage hole is formed in the inner wall of one side of each exhaust groove, an exhaust duct communicated with the air collecting cavity is vertically formed in the outer end of each air leakage hole, an air passing hole plate is horizontally arranged at the top of each exhaust groove, and a plurality of small-aperture air passing holes are uniformly formed in the top of each air passing hole plate.
The beneficial effects of the improvement are as follows: through set up the gas collecting chamber in the supporting seat is inside, be convenient for take out the operation to the inside air of centre form inslot, can be simultaneously through the exhaust duct at sealed layer board top when the injection molding liquid gets into the centre form inslot portion, can be under the injection molding liquid effect of filling gradually, carry out the exhaust operation with the gas that does not have the evacuation in the inside earlier stage of internal groove or the material that the injection molding machine was moulded plastics in entrained gas, be convenient for further improve air exhaust's high efficiency and sufficiency.
In order to solve the technical problems, the invention further adopts the following technical scheme: the air extraction mechanism comprises an annular strip hole vertically arranged on the outer side of the bottom surface of the jacking column, a stabilizing tube vertically movably arranged in the annular strip hole and a sealing annular plate horizontally fixedly connected to the top of the stabilizing tube, and a plurality of air vents communicated with the air collecting cavity are formed in the top of the annular strip hole at equal intervals; the bottom of sealed crown plate equally spaced has offered a plurality of air extraction pore canals that extend to the stable pipe bottom, the top of air extraction pore canal is equipped with one-way admission valve, the below horizontal shelf of jacking post has set up gas collecting ring pipe, the top intercommunication of gas collecting ring pipe is equipped with a plurality of connecting pipes, the top fixed intercommunication of connecting pipe is advanced in the bottom of air extraction pore canal.
The beneficial effects of the improvement are as follows: when the jacking column is lifted in a reciprocating manner, the annular pore canal and the inside of the air collecting cavity can be subjected to air suction operation through the fixed sealing ring plate, so that the air in the inner die groove is pumped out; the gas inside the internal mold groove is conveniently and rapidly discharged under the actions of the jacking column, the bearing seat and the sealing supporting plate before injection molding.
The invention adopts the technical scheme that: the purifying box is of an L-shaped box structure, purifying liquid is filled in the purifying box, an L-shaped shunt tube is arranged in the purifying box, and a plurality of air outlet nozzles are arranged at the bottom of the L-shaped shunt tube at equal intervals; the outside of gas collection ring canal is fixed to be linked together and is had the air guide hose, the outer end of air guide hose is fixed to be linked together with the top of L shunt tubes.
The beneficial effects of the improvement are as follows: through the cooperation of air guide hose and L shunt tubes, be convenient for carry out the purification operation to the exhaust emission of taking out purifying box inside.
The invention adopts the technical scheme that: the driving mechanism comprises a crank shaft which is transversely arranged in the middle of the fixed box, two rotating shafts which are coaxially and fixedly connected to the end part of the crank shaft, and a servo motor which is arranged on one side of the inside of the fixed box, wherein the servo motor is coaxially and fixedly connected with the outer end of one rotating shaft, a reciprocating assembly which is used for driving an inflation assembly is arranged on the crank shaft, screw rods are vertically arranged on two sides of the top of the fixed box in a rotating manner, and a thread groove matched with the screw rods is vertically formed in the middle of the bottom surface of the jacking column; the rod body of the screw rod is in threaded connection with the inside of the thread groove; the bottom end of the screw rod movably penetrates into the fixed box and is fixedly connected with a driven bevel gear, and the outer end of the rotating shaft is fixedly sleeved with a driving bevel gear meshed with the driven bevel gear.
The beneficial effects of the improvement are as follows: through actuating mechanism's setting, can make two lead screws drive two jacking posts and carry out synchronous lifting operation, and then combine the supporting seat to take out the operation to the air of centre form inslot portion with sealed layer board, to the air of centre form inslot portion after taking out, can make the bottom of moulding plastics liquid quick reach the interior die cavity, avoid appearing having the condition that the air caused the resistance to the injection into of moulding plastics liquid, when carrying out reciprocal lift to the jacking post, drive the crank axle and rotate, be convenient for drive the mechanism of pumping through the rotation of crank axle and carry out reciprocating motion.
The invention adopts the technical scheme that: the air pump assembly comprises a compression type air pump fixed in the middle of the top surface of the fixed box, movable rods vertically fixedly connected to two sides of the inner top surface of the compression type air pump, and air delivery pipes transversely arranged on two sides of the bottom of the compression type air pump, wherein a plurality of one-way air inlet valve pipes are arranged at the top of the compression type air pump at equal intervals, the outer ends of the air delivery pipes penetrate into the purifying box, and an exhaust interval is reserved between the air delivery pipes and the inner bottom surface of the purifying box.
The beneficial effects of the improvement are as follows: through the setting of pumping subassembly, be convenient for when reciprocating subassembly follows the crank axle and rotate, can make the compression pump carry out continuous pumping operation to purifying box inside.
As a further improvement of the present invention, the technical problem to be solved is: if the waste gas generated by the injection mold is discharged into the purifying box, the purifying liquid is not stirred, and the waste gas generated in the rising process of the waste gas cannot be fully contacted with the purifying liquid, so that the effect of purifying the waste gas is affected.
In order to solve the technical problems, the invention further adopts the following technical scheme: the reciprocating assembly comprises a rotating tube, hinge rods and hinge seats, wherein the rotating tube is sleeved in the middle of a crankshaft, the hinge rods are fixedly connected to two sides of the outer wall of the rotating tube, the hinge seats are arranged at the outer ends of the hinge rods, the bottom ends of the movable rods movably penetrate into the fixed box, and the movable rods are movably hinged with the outer ends of the hinge rods through the hinge seats.
The beneficial effects of the improvement are as follows: when the crank shaft rotates, the movable rod hinged with the hinged rod can be driven by the rotating pipe in rotating connection to lift in a reciprocating manner, the compression type inflator is conveniently driven to perform reciprocating inflation movement through the reciprocating lifting of the movable rod, and the air inflation operation is conveniently performed inside the purifying box through the air conveying pipe through the starting of the compression type inflator; the purifying liquid inside the purifying box is convenient to carry out a large margin of disturbance operation, the injection molding waste gas discharged into the purifying box is convenient to carry out full mixing through the large margin of disturbance of the purifying liquid, and the purifying effect on the injection molding waste gas is improved.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a cross-sectional view of the lower die structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of the fixing case and the purifying case of the present invention;
FIG. 4 is a cross-sectional view of a jack post and stabilizer tube configuration of the present invention;
FIG. 5 is a schematic view of the connection structure of the bearing seat and the sealing pallet of the present invention;
FIG. 6 is a partial structural cross-sectional view of the bearing bracket and sealing pallet of the present invention;
FIG. 7 is a cross-sectional view of an exhaust pipe structure of the present invention;
FIG. 8 is an enlarged cross-sectional view of the structure of the fixing case of the present invention;
FIG. 9 is an enlarged cross-sectional view of a portion of the lower mold and the support base of the present invention;
FIG. 10 is a cross-sectional view of the structure of the purge bin of the present invention;
FIG. 11 is a schematic view of a side structure of a fixing frame and an electric push cylinder of the present invention.
The text labels in the figures are expressed as: 1. a processing table; 2. a lifting table; 3. a fixing frame; 4. an electric pushing cylinder; 5. a lower die; 6. an inner mold; 7. a support bracket; 8. sealing the supporting plate; 9. a fixed box; 10. a purifying box; 11. an exhaust pipe; 12. a crank shaft; 13. a rotating shaft; 14. a servo motor; 15. jacking the column; 16. a screw rod; 17. a stabilizing tube; 18. sealing ring plates; 19. a one-way air inlet valve; 20. a gas collecting ring pipe; 21. an air guide hose; 22. compression inflator; 23. a hinge rod; 24. a movable rod; 25. a ventilation bevel; 26. an exhaust duct; 27. an exhaust groove; 28. a gas passing hole plate.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
Example 1:
as shown in fig. 1-5, a mold manufacturing waste gas collecting device comprises a processing table 1, a mounting frame arranged at the rear end of the top of the processing table 1, a lifting table 2 arranged above the top of the processing table 1, a fixing frame 3 arranged at the top of the lifting table 2, an injection molding machine arranged in the fixing frame 3 and an electric pushing cylinder 4 arranged at the top of the mounting frame, wherein the bottom of a telescopic end of the electric pushing cylinder 4 is fixedly connected with the top of the fixing frame 3; the top surface of the processing table 1 is provided with a lower die 5, the bottom of the lifting table 2 is provided with an inner die 6, and the top surface of the lower die 5 is provided with an inner die groove matched with the inner die 6; the inner bottom surface of the inner die groove is provided with a storage groove, two liquid outlet pipes of the injection molding machine penetrate to the bottom of the upper edge of the inner die 6, injection molding operation is conveniently carried out inside the inner die groove, a bearing seat 7 is horizontally movably arranged in the storage groove, and the top of the bearing seat 7 is horizontally provided with a sealing supporting plate 8;
the bottom surface of the lower die 5 is provided with a containing groove, the rear end surface of the containing groove is provided with a ventilation strip opening, the inside of the containing groove is provided with a fixed box 9, both sides of the inner bottom surface of the containing groove are vertically provided with stabilizing openings communicated with the containing groove, the inside of the stabilizing openings is vertically movably provided with a jacking column 15, and a driving mechanism for lifting the jacking column 15 is arranged in the fixed box 9; an air extraction mechanism matched with the bearing seat 7 for extracting air from the inner die cavity is arranged in the jacking column 15. When the injection molding machine is operated, the electric push cylinder 4, the injection molding machine and the servo motor 14 are respectively electrically connected with external control equipment through wires, then the electric push cylinder 4 is started to push the fixing frame 3 and the lifting table 2 to descend, the inner mold 6 is conveniently embedded into the inner mold groove through the descending lifting table 2, after the inner mold 6 is plugged into the inner mold groove, the driving mechanism is started to drive the screw rod 16 to carry out multi-circle reciprocating rotation, the jacking column 15 is conveniently and reciprocally lifted by a small extent through the reciprocating rotation of the screw rod 16, the bearing seat 7 is further used for driving the sealing support plate 8 to reciprocally lift the inner mold groove below the inner mold 6, the annular duct and the inner cavity are conveniently pumped under the action of the bottom stabilizing tube 17 and the sealing ring plate 18 when the bearing seat 7 is lifted, and then the ventilation bevel 25 on the outer wall of the bearing seat 7 and the exhaust groove 27 on the top of the sealing support plate 8 are conveniently pumping out the air in the inner mold groove, the inner mold groove is conveniently discharged, the condition that the inner mold groove is compressed by the injection molding liquid is generated, the situation that the pressure is generated when the inner mold groove is not fully filled with the molten liquid is avoided, the situation that the reverse pressure is prevented from being caused, and the cavity is not normally filled with the injection molding mold can be prevented; the product quality of the molded die product is effectively improved.
Example 2:
further optimizing on the basis of the embodiment: as shown in fig. 1-8, a mold manufacturing waste gas collecting device comprises a processing table 1, a mounting frame arranged at the rear end of the top of the processing table 1, a lifting table 2 arranged above the top of the processing table 1, a fixing frame 3 arranged at the top of the lifting table 2, an injection molding machine arranged in the fixing frame 3 and an electric pushing cylinder 4 arranged at the top of the mounting frame, wherein the bottom of a telescopic end of the electric pushing cylinder 4 is fixedly connected with the top of the fixing frame 3; the top surface of the processing table 1 is provided with a lower die 5, the bottom of the lifting table 2 is provided with an inner die 6, and the top surface of the lower die 5 is provided with an inner die groove matched with the inner die 6; the inner bottom surface of the inner die groove is provided with a storage groove, a bearing seat 7 is horizontally movably arranged in the storage groove, and the top of the bearing seat 7 is horizontally provided with a sealing supporting plate 8;
the bottom surface of the lower die 5 is provided with a containing groove, a fixed box 9 is arranged in the containing groove, two sides of the inner bottom surface of the containing groove are vertically provided with stabilizing openings communicated with the containing groove, the inner wall of each stabilizing opening is provided with a sealing rubber sleeve, air in the inner die groove is prevented from entering the containing groove, a jacking column 15 is vertically movably arranged in each stabilizing opening, and a driving mechanism for lifting the jacking column 15 is arranged in the fixed box 9; an air extraction mechanism matched with the bearing seat 7 for extracting air from the inner die cavity is arranged in the jacking column 15. The middle part of the top surface of the fixed box 9 is provided with an inflation assembly; the inner walls of the two sides of the accommodating groove are respectively provided with a purifying box 10, the upper parts of the purifying boxes 10 are transversely communicated with each other and provided with an exhaust pipe 11, the outer ends of the exhaust pipes 11 penetrate out of the lower die 5, and the outer ends of the exhaust pipes 11 are bent upwards; and a plurality of filter core cottons are equidistantly arranged in the exhaust pipe 11. The overlap joint groove has been seted up to the inner wall edge of accomodating the groove, and the bottom surface butt of sealing layer board 8 week side is inside the overlap joint groove, and the reservation has the reservation groove that is used for the low edge fashioned of mould between sealing layer board 8 and the overlap joint groove. Through the setting of reservation groove, be convenient for after the injection molding liquid fills the entering, can make its bottom form a bearing circle after the mould shaping, be convenient for simultaneously when starting servo motor 14 drive lead screw 16 corotation, can promote through the jacking post 15 that rises and carry out the complete back that lifts up of supporting seat 7, can jack-up the drawing of patterns with the mould after the shaping, be convenient for take the operation to the mould of shaping. The inside of the bearing seat 7 is provided with an air collecting cavity, the periphery of the outer wall of the bearing seat 7 is provided with a plurality of ventilation inclined openings 25 at equal intervals, the periphery of the top of the sealing supporting plate 8 is provided with a plurality of air discharging grooves 27, the inner wall of one side of each air discharging groove 27 is provided with an air discharging hole which is inclined upwards, the outer end of each air discharging hole is vertically provided with an air discharging hole 26 communicated with the air collecting cavity, the top of each air discharging groove 27 is horizontally provided with an air passing hole plate 28, the top of each air passing hole plate 28 is uniformly provided with a plurality of air passing holes with small apertures, and the air passing holes on the air passing hole plates 28 are arranged into small apertures, so that the air passing hole plates 28 can prevent injection molding liquid from entering the air discharging grooves 27 through the air passing holes on the premise of meeting the air discharging requirement due to the large consistency of injection molding liquid, and the air discharging effect of the inner die grooves in the injection molding process is improved; through set up the gas collecting chamber in the supporting seat 7 inside, be convenient for take out the operation to the inside air of centre form inslot, can be simultaneously through the exhaust duct 26 at sealed layer board 8 top when the injection molding liquid gets into the centre form inslot portion, can carry out the exhaust operation with the gas of the incomplete evacuation of inside inslot earlier stage or entrained gas in the material that the injection molding machine was moulded plastics under the injection molding liquid effect of gradual filling, be convenient for further improve air exhaust's high efficiency and sufficiency.
Example 3:
further optimizing on the basis of the embodiment: as shown in fig. 1-6, a mold manufacturing waste gas collecting device comprises a processing table 1, a mounting frame arranged at the rear end of the top of the processing table 1, a lifting table 2 arranged above the top of the processing table 1, a fixing frame 3 arranged at the top of the lifting table 2, an injection molding machine arranged in the fixing frame 3 and an electric pushing cylinder 4 arranged at the top of the mounting frame, wherein the bottom of a telescopic end of the electric pushing cylinder 4 is fixedly connected with the top of the fixing frame 3; the top surface of the processing table 1 is provided with a lower die 5, the bottom of the lifting table 2 is provided with an inner die 6, and the top surface of the lower die 5 is provided with an inner die groove matched with the inner die 6; the inner bottom surface of the inner die groove is provided with a storage groove, a bearing seat 7 is horizontally movably arranged in the storage groove, and the top of the bearing seat 7 is horizontally provided with a sealing supporting plate 8; the bottom surface of the lower die 5 is provided with a containing groove, a fixed box 9 is arranged in the containing groove, two sides of the inner bottom surface of the containing groove are vertically provided with stabilizing ports communicated with the containing groove, a jacking column 15 is vertically movably arranged in the stabilizing ports, and a driving mechanism for lifting the jacking column 15 is arranged in the fixed box 9; an air extraction mechanism matched with the bearing seat 7 for extracting air from the inner die cavity is arranged in the jacking column 15. The middle part of the top surface of the fixed box 9 is provided with an inflation assembly; the inner walls of the two sides of the accommodating groove are respectively provided with a purifying box 10, the upper parts of the purifying boxes 10 are transversely communicated with each other and provided with an exhaust pipe 11, the outer ends of the exhaust pipes 11 penetrate out of the lower die 5, and the outer ends of the exhaust pipes 11 are bent upwards; and a plurality of filter core cottons are equidistantly arranged in the exhaust pipe 11. The overlap joint groove has been seted up to the inner wall edge of accomodating the groove, and the bottom surface butt of sealing layer board 8 week side is inside the overlap joint groove, and the reservation has the reservation groove that is used for the low edge fashioned of mould between sealing layer board 8 and the overlap joint groove. The inside gas collection chamber that has seted up of supporting seat 7, a plurality of ventilation bevel 25 have been offered to the outer wall week side equidistant of supporting seat 7, a plurality of air vent grooves 27 have all been offered all around to the top of sealed layer board 8, upward slope's air vent has been offered on the inner wall of one side of air vent groove 27, the outer end of air vent hole vertically has offered the exhaust duct 26 with the gas collection chamber intercommunication, the top level of air vent groove 27 is equipped with the air vent plate 28, the air vent of a plurality of aperture has evenly been offered at the top of air vent plate 28. Through set up the gas collecting chamber in the supporting seat 7 inside, be convenient for take out the operation to the inside air of centre form inslot, can be simultaneously through the exhaust duct 26 at sealed layer board 8 top when the injection molding liquid gets into the centre form inslot portion, can carry out the exhaust operation with the gas of the incomplete evacuation of inside inslot earlier stage or entrained gas in the material that the injection molding machine was moulded plastics under the injection molding liquid effect of gradual filling, be convenient for further improve air exhaust's high efficiency and sufficiency.
The air extraction mechanism comprises an annular strip hole vertically arranged on the outer side of the bottom surface of the jacking column 15, a stabilizing tube 17 vertically movably arranged in the annular strip hole, and a sealing annular plate 18 horizontally fixedly connected to the top of the stabilizing tube 17, wherein a plurality of air vents communicated with the air collecting cavity are formed in the top of the annular strip hole at equal intervals; the bottom of the sealing ring plate 18 is provided with a plurality of air suction channels extending to the bottom of the stabilizing tube 17 at equal intervals, the top of each air suction channel is provided with a one-way air inlet valve 19, a gas collecting ring tube 20 is horizontally arranged below the jacking column 15, the top of the gas collecting ring tube 20 is communicated with a plurality of connecting tubes, and the top of each connecting tube is fixedly communicated with the bottom of each air suction channel. When the jacking column 15 is lifted up and down in a reciprocating manner, the annular pore canal and the inside of the air collecting cavity can be subjected to air suction operation through the fixed sealing ring plate 18, so that the inside of the internal mold groove is subjected to air suction; the gas in the internal mold groove is conveniently and rapidly discharged under the action of the jacking column 15, the bearing seat 7 and the sealing supporting plate 8 before injection molding.
Example 4:
further optimizing on the basis of the embodiment: as shown in fig. 1-11, a mold manufacturing waste gas collecting device comprises a processing table 1, a mounting frame arranged at the rear end of the top of the processing table 1, a lifting table 2 arranged above the top of the processing table 1, a fixing frame 3 arranged at the top of the lifting table 2, an injection molding machine arranged in the fixing frame 3 and an electric pushing cylinder 4 arranged at the top of the mounting frame, wherein the bottom of a telescopic end of the electric pushing cylinder 4 is fixedly connected with the top of the fixing frame 3; the top surface of the processing table 1 is provided with a lower die 5, the bottom of the lifting table 2 is provided with an inner die 6, and the top surface of the lower die 5 is provided with an inner die groove matched with the inner die 6; the inner bottom surface of the inner die groove is provided with a storage groove, a bearing seat 7 is horizontally movably arranged in the storage groove, and the top of the bearing seat 7 is horizontally provided with a sealing supporting plate 8; the bottom surface of the lower die 5 is provided with a containing groove, a fixed box 9 is arranged in the containing groove, two sides of the inner bottom surface of the containing groove are vertically provided with stabilizing ports communicated with the containing groove, a jacking column 15 is vertically movably arranged in the stabilizing ports, and a driving mechanism for lifting the jacking column 15 is arranged in the fixed box 9; an air extraction mechanism matched with the bearing seat 7 for extracting air from the inner die cavity is arranged in the jacking column 15. The middle part of the top surface of the fixed box 9 is provided with an inflation assembly; the inner walls of the two sides of the accommodating groove are respectively provided with a purifying box 10, the upper parts of the purifying boxes 10 are transversely communicated with each other and provided with an exhaust pipe 11, the outer ends of the exhaust pipes 11 penetrate out of the lower die 5, and the outer ends of the exhaust pipes 11 are bent upwards; and a plurality of filter core cottons are equidistantly arranged in the exhaust pipe 11. The overlap joint groove has been seted up to the inner wall edge of accomodating the groove, and the bottom surface butt of sealing layer board 8 week side is inside the overlap joint groove, and the reservation has the reservation groove that is used for the low edge fashioned of mould between sealing layer board 8 and the overlap joint groove. The air extraction mechanism comprises an annular strip hole vertically arranged on the outer side of the bottom surface of the jacking column 15, a stabilizing tube 17 vertically movably arranged in the annular strip hole, and a sealing annular plate 18 horizontally fixedly connected to the top of the stabilizing tube 17, wherein a plurality of air vents communicated with the air collecting cavity are formed in the top of the annular strip hole at equal intervals; the bottom of the sealing ring plate 18 is provided with a plurality of air suction channels extending to the bottom of the stabilizing tube 17 at equal intervals, the top of each air suction channel is provided with a one-way air inlet valve 19, a gas collecting ring tube 20 is horizontally arranged below the jacking column 15, the top of the gas collecting ring tube 20 is communicated with a plurality of connecting tubes, and the top of each connecting tube is fixedly communicated with the bottom of each air suction channel.
The driving mechanism comprises a crank shaft 12 transversely arranged in the middle of the fixed box 9, two rotating shafts 13 coaxially fixedly connected to the end parts of the crank shaft 12 and a servo motor 14 arranged on one side of the inside of the fixed box 9, wherein the servo motor 14 is coaxially fixedly connected with the outer end of one rotating shaft 13, a reciprocating assembly for driving an inflation assembly is arranged on the crank shaft 12, a screw rod 16 is vertically arranged on two sides of the top of the fixed box 9 in a rotating manner, and a thread groove matched with the screw rod 16 is vertically formed in the middle of the bottom surface of the jacking column 15; the rod body of the screw rod 16 is in threaded connection with the inside of the thread groove; the bottom end of the screw rod 16 movably penetrates into the fixed box 9 and is fixedly connected with driven bevel gears, and the outer end of the rotating shaft 13 is fixedly sleeved with driving bevel gears meshed with the driven bevel gears. Through actuating mechanism's setting, can make two lead screws 16 drive two jacking posts 15 and carry out synchronous lifting operation, and then combine the supporting seat 7 to take out the operation with sealed layer board 8 to the inside air of centre form inslot, to the inside air of centre form inslot after taking out, the bottom of the interior die cavity that can make injection molding liquid arrive fast avoids appearing having the condition that the injection of air to injection molding liquid causes the resistance, when carrying out reciprocal lift to jacking post 15, drive the crank axle 12 and rotate, be convenient for drive the mechanism of pumping through the rotation of crank axle 12 and carry out reciprocating motion.
Example 5:
further optimizing on the basis of the embodiment: as shown in fig. 1-9, a mold manufacturing waste gas collecting device comprises a processing table 1, a mounting frame arranged at the rear end of the top of the processing table 1, a lifting table 2 arranged above the top of the processing table 1, a fixing frame 3 arranged at the top of the lifting table 2, an injection molding machine arranged in the fixing frame 3 and an electric pushing cylinder 4 arranged at the top of the mounting frame, wherein the bottom of a telescopic end of the electric pushing cylinder 4 is fixedly connected with the top of the fixing frame 3; the top surface of the processing table 1 is provided with a lower die 5, the bottom of the lifting table 2 is provided with an inner die 6, and the top surface of the lower die 5 is provided with an inner die groove matched with the inner die 6; the inner bottom surface of the inner die groove is provided with a storage groove, a bearing seat 7 is horizontally movably arranged in the storage groove, and the top of the bearing seat 7 is horizontally provided with a sealing supporting plate 8; the bottom surface of the lower die 5 is provided with a containing groove, a fixed box 9 is arranged in the containing groove, two sides of the inner bottom surface of the containing groove are vertically provided with stabilizing ports communicated with the containing groove, a jacking column 15 is vertically movably arranged in the stabilizing ports, and a driving mechanism for lifting the jacking column 15 is arranged in the fixed box 9; an air extraction mechanism matched with the bearing seat 7 for extracting air from the inner die cavity is arranged in the jacking column 15.
The middle part of the top surface of the fixed box 9 is provided with an inflation assembly; the inner walls of the two sides of the accommodating groove are respectively provided with a purifying box 10, the upper parts of the purifying boxes 10 are transversely communicated with each other and provided with an exhaust pipe 11, the outer ends of the exhaust pipes 11 penetrate out of the lower die 5, and the outer ends of the exhaust pipes 11 are bent upwards; and a plurality of filter core cottons are equidistantly arranged in the exhaust pipe 11. The overlap joint groove has been seted up to the inner wall edge of accomodating the groove, and the bottom surface butt of sealing layer board 8 week side is inside the overlap joint groove, and the reservation has the reservation groove that is used for the low edge fashioned of mould between sealing layer board 8 and the overlap joint groove. The inside gas collection chamber that has seted up of supporting seat 7, a plurality of ventilation bevel 25 have been offered to the outer wall week side equidistant of supporting seat 7, a plurality of air vent grooves 27 have all been offered all around to the top of sealed layer board 8, upward slope's air vent has been offered on the inner wall of one side of air vent groove 27, the outer end of air vent hole vertically has offered the exhaust duct 26 with the gas collection chamber intercommunication, the top level of air vent groove 27 is equipped with the air vent plate 28, the air vent of a plurality of aperture has evenly been offered at the top of air vent plate 28. The air extraction mechanism comprises an annular strip hole vertically arranged on the outer side of the bottom surface of the jacking column 15, a stabilizing tube 17 vertically movably arranged in the annular strip hole, and a sealing annular plate 18 horizontally fixedly connected to the top of the stabilizing tube 17, wherein a plurality of air vents communicated with the air collecting cavity are formed in the top of the annular strip hole at equal intervals; the bottom of the sealing ring plate 18 is provided with a plurality of air suction channels extending to the bottom of the stabilizing tube 17 at equal intervals, the top of each air suction channel is provided with a one-way air inlet valve 19, a gas collecting ring tube 20 is horizontally arranged below the jacking column 15, the top of the gas collecting ring tube 20 is communicated with a plurality of connecting tubes, and the top of each connecting tube is fixedly communicated with the bottom of each air suction channel. The purifying box 10 is of an L-shaped box body structure, purifying liquid is poured into the purifying box 10, an L-shaped shunt pipe is arranged in the purifying box 10, and a plurality of air outlet nozzles are arranged at the bottom of the L-shaped shunt pipe at equal intervals; the outside of the gas collecting ring pipe 20 is fixedly communicated with a gas guide hose 21, and the outer end of the gas guide hose 21 is fixedly communicated with the top of the L-shaped shunt pipe. The driving mechanism comprises a crank shaft 12 transversely arranged in the middle of the fixed box 9, two rotating shafts 13 coaxially fixedly connected to the end parts of the crank shaft 12 and a servo motor 14 arranged on one side of the inside of the fixed box 9, wherein the servo motor 14 is coaxially fixedly connected with the outer end of one rotating shaft 13, a reciprocating assembly for driving an inflation assembly is arranged on the crank shaft 12, a screw rod 16 is vertically arranged on two sides of the top of the fixed box 9 in a rotating manner, and a thread groove matched with the screw rod 16 is vertically formed in the middle of the bottom surface of the jacking column 15; the rod body of the screw rod 16 is in threaded connection with the inside of the thread groove; the bottom end of the screw rod 16 movably penetrates into the fixed box 9 and is fixedly connected with driven bevel gears, and the outer end of the rotating shaft 13 is fixedly sleeved with driving bevel gears meshed with the driven bevel gears.
The inflator assembly comprises a compression type inflator 22 fixed in the middle of the top surface of the fixed box 9, movable rods 24 vertically fixedly connected to two sides of the inner top surface of the compression type inflator 22, and air delivery pipes transversely arranged on two sides of the bottom of the compression type inflator 22, wherein a plurality of one-way air inlet valve pipes are arranged at the top of the compression type inflator 22 at equal intervals, the outer ends of the air delivery pipes penetrate into the purifying box 10, and an exhaust interval is reserved between the outer ends of the air delivery pipes and the inner bottom surface of the purifying box 10. By providing the pumping assembly, the compression pump 22 can be operated continuously to the interior of the purifying tank 10 when the reciprocating assembly rotates along with the crank shaft 12. The reciprocating assembly comprises a rotary pipe rotatably sleeved in the middle of the crank shaft 12, hinge rods 23 fixedly connected to two sides of the outer wall of the rotary pipe, and hinge seats arranged at the outer ends of the hinge rods 23, wherein the bottom ends of the movable rods 24 movably penetrate into the fixed box 9 and are movably hinged with the outer ends of the hinge rods 23 through the hinge seats. When the crank shaft 12 rotates, the movable rod 24 hinged by the hinged rod 23 can be driven by the rotating pipe in a rotating connection to lift in a reciprocating way, the compression type inflator 22 is conveniently driven to perform reciprocating inflation movement through the reciprocating lifting of the movable rod 24, and the inflation operation to the inside of the purifying box 10 is conveniently performed through the gas pipe through the starting of the compression type inflator 22; the purifying box is convenient to carry out the disturbance operation by a wide margin to the inside purifying liquid of purifying box 10, and the waste gas of moulding plastics that is convenient for make the discharge into purifying box 10 inside carries out intensive mixing through the disturbance by a wide margin of purifying liquid, improves the purifying effect to the waste gas of moulding plastics.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the invention, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the invention, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (9)
1. The utility model provides a mould manufacturing exhaust gas collection device, includes processing platform (1), locates the mounting bracket at the rear end at processing platform (1) top, locates elevating platform (2) at processing platform (1) top, locates mount (3) at elevating platform (2) top, installs at the inside injection molding machine of mount (3) and locates electricity in mounting bracket top and push away jar (4), its characterized in that: the bottom of the telescopic end of the electric pushing cylinder (4) is fixedly connected with the top of the fixing frame (3); the top surface of the processing table (1) is provided with a lower die (5), the bottom of the lifting table (2) is provided with an inner die (6), and the top surface of the lower die (5) is provided with an inner die groove matched with the inner die (6); the inner bottom surface of the inner die groove is provided with a storage groove, a bearing seat (7) is horizontally and movably arranged in the storage groove, and the top of the bearing seat (7) is horizontally provided with a sealing supporting plate (8);
the bottom surface of the lower die (5) is provided with a containing groove, a fixing box (9) is arranged in the containing groove, two sides of the inner bottom surface of the containing groove are vertically provided with stabilizing openings communicated with the containing groove, jacking columns (15) are vertically and movably arranged in the stabilizing openings, and a driving mechanism for lifting the jacking columns (15) is arranged in the fixing box (9); an air exhaust mechanism matched with the bearing seat (7) for exhausting air in the inner die cavity is arranged in the jacking column (15).
2. A mold manufacturing exhaust gas collecting device according to claim 1, wherein: an inflation assembly is arranged in the middle of the top surface of the fixed box (9); the inner walls of the two sides of the accommodating groove are respectively provided with a purifying box (10), the upper parts of the purifying boxes (10) are transversely communicated with each other and provided with an exhaust pipe (11), the outer ends of the exhaust pipes (11) penetrate out of the lower die (5), and the outer ends of the exhaust pipes (11) are bent upwards; and a plurality of filter core cottons are equidistantly arranged in the exhaust pipe (11).
3. A mold manufacturing exhaust gas collecting device according to claim 1, wherein: the inner wall edge of the storage groove is provided with a lap joint groove, the bottom surface of the periphery of the sealing support plate (8) is abutted to the inside of the lap joint groove, and a reserved groove for forming the low edge of the die is reserved between the sealing support plate (8) and the lap joint groove.
4. A mold manufacturing exhaust gas collecting device according to claim 3, wherein: the novel air collecting device is characterized in that an air collecting cavity is formed in the bearing seat (7), a plurality of ventilation bevel ports (25) are formed in the periphery of the outer wall of the bearing seat (7) at equal intervals, a plurality of air exhaust grooves (27) are formed in the periphery of the top of the sealing supporting plate (8), air leakage holes which are inclined upwards are formed in the inner wall of one side of each air exhaust groove (27), air exhaust holes (26) communicated with the air collecting cavity are formed in the outer end of each air leakage hole vertically, an air passing hole plate (28) is arranged at the top level of each air exhaust groove (27), and air passing holes with a plurality of small apertures are uniformly formed in the top of each air passing hole plate (28).
5. A mold manufacturing exhaust gas collecting device according to claim 2, wherein: the air extraction mechanism comprises an annular strip hole vertically arranged on the outer side of the bottom surface of the jacking column (15), a stabilizing tube (17) vertically movably arranged in the annular strip hole and a sealing annular plate (18) horizontally fixedly connected to the top of the stabilizing tube (17), and a plurality of air vents communicated with the air collecting cavity are formed in the top of the annular strip hole at equal intervals; the bottom of sealed crown plate (18) is equidistant to have offered a plurality of air extraction pore canals that extend to stable pipe (17) bottom, the top of air extraction pore canal is equipped with one-way admission valve (19), the below level of jacking post (15) has set up gas collecting ring pipe (20), the top intercommunication of gas collecting ring pipe (20) is equipped with a plurality of connecting pipes, in the bottom of the fixed intercommunication air inlet air extraction pore canal in top of connecting pipe.
6. A mold manufacturing exhaust gas collecting device according to claim 5, wherein: the purifying box (10) is of an L-shaped box structure, purifying liquid is poured into the purifying box (10), an L-shaped shunt tube is arranged in the purifying box (10), and a plurality of air outlet nozzles are arranged at the bottom of the L-shaped shunt tube at equal intervals; the outside of gas collecting ring pipe (20) is fixed to be linked together and is had air guide hose (21), the outer end of air guide hose (21) is fixed to be linked together with the top of L shunt tubes.
7. A mold manufacturing exhaust gas collecting device according to claim 1, wherein: the driving mechanism comprises a crank shaft (12) which is transversely arranged in the middle of the fixed box (9), two rotating shafts (13) which are coaxially and fixedly connected to the end parts of the crank shaft (12) and a servo motor (14) which is arranged on one side of the inside of the fixed box (9), wherein the servo motor (14) is coaxially and fixedly connected with the outer end of one rotating shaft (13), a reciprocating assembly which is used for driving an inflation assembly is arranged on the crank shaft (12), screw rods (16) are vertically arranged on two sides of the top of the fixed box (9) in a rotating mode, and screw grooves matched with the screw rods (16) are vertically formed in the middle of the bottom surface of the jacking column (15); the rod body of the screw rod (16) is in threaded connection with the inside of the thread groove; the bottom end of the screw rod (16) movably penetrates into the fixed box (9) and is fixedly connected with driven bevel gears, and the outer end of the rotating shaft (13) is fixedly sleeved with driving bevel gears meshed with the driven bevel gears.
8. The mold manufacturing exhaust gas collecting device according to claim 7, wherein: the air pump assembly comprises a compression type air pump (22) fixed in the middle of the top surface of a fixed box (9), movable rods (24) vertically fixedly connected to two sides of the inner top surface of the compression type air pump (22) and air delivery pipes transversely arranged on two sides of the bottom of the compression type air pump (22), a plurality of one-way air inlet valve pipes are arranged at the top of the compression type air pump (22) at equal intervals, the outer ends of the air delivery pipes penetrate into the purifying box (10), and an exhaust interval is reserved between the outer ends of the air delivery pipes and the inner bottom surface of the purifying box (10).
9. The mold manufacturing exhaust gas collecting device according to claim 8, wherein: the reciprocating assembly comprises a rotary pipe rotatably sleeved at the middle part of the crank shaft (12), hinge rods (23) fixedly connected to two sides of the outer wall of the rotary pipe, and hinge seats arranged at the outer ends of the hinge rods (23), wherein the bottom ends of the movable rods (24) movably penetrate into the fixed box (9) and are movably hinged with the outer ends of the hinge rods (23) through the hinge seats.
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| CN202310395303.7A CN116141599B (en) | 2023-04-14 | 2023-04-14 | Exhaust gas collecting device for die manufacturing |
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| CN202310395303.7A CN116141599B (en) | 2023-04-14 | 2023-04-14 | Exhaust gas collecting device for die manufacturing |
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| CN116141599B CN116141599B (en) | 2023-09-15 |
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| CN116141599B (en) | 2023-09-15 |
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