CN116039022A - Automobile sealing strip injection molding equipment with rapid demolding function - Google Patents
Automobile sealing strip injection molding equipment with rapid demolding function Download PDFInfo
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- CN116039022A CN116039022A CN202310029812.8A CN202310029812A CN116039022A CN 116039022 A CN116039022 A CN 116039022A CN 202310029812 A CN202310029812 A CN 202310029812A CN 116039022 A CN116039022 A CN 116039022A
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- 238000007789 sealing Methods 0.000 title claims abstract description 121
- 238000001746 injection moulding Methods 0.000 title claims abstract description 51
- 238000000465 moulding Methods 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 52
- 230000000087 stabilizing effect Effects 0.000 claims description 45
- 239000007789 gas Substances 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 28
- 238000001125 extrusion Methods 0.000 claims description 24
- 239000011261 inert gas Substances 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 238000010361 transduction Methods 0.000 claims description 10
- 230000026683 transduction Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
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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
- B29C45/76—Measuring, controlling or regulating
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses automobile sealing strip injection molding equipment with a rapid demolding function, which comprises a molding device, a feeding device and a cooling device, wherein the feeding device is arranged above the molding device, and the cooling device is arranged at two sides of the molding device.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to an automobile sealing strip injection molding device with a rapid demolding function.
Background
With the rapid development of the modern society, the automobile manufacturing process starts to be promoted greatly, wherein an automobile sealing strip is a part with the largest rubber amount used except for tires, and mainly has the functions of shock absorption, water resistance, dust resistance, sound insulation, decoration and the like, so that the comfort of driving experience is improved, the automobile body is protected, and the main production modes of the automobile sealing strip are extrusion and injection molding.
The existing automobile sealing strip injection molding equipment is generally characterized in that a feeding device directly feeds materials into a cavity, but the feeding method can not only generate a large amount of excess materials, so that the production cost cannot be effectively reduced, the subsequent cleaning is not facilitated, unused automobile sealing strip materials are often remained in a feeding channel, in addition, in the injection molding process, when a movable die and a fixed die are folded, large impact occurs, on one hand, the service life of the injection molding equipment is reduced, the tightness of the injection molding equipment cannot be ensured, on the other hand, when the tightness of the injection molding equipment is damaged, staff cannot timely learn information, the material is wasted, finally, a demolding mechanism in the injection molding equipment is often rubbed with the cavity, abrasion phenomenon exists between the demolding mechanism and the cavity after long-time operation, and if the sealing strip materials cannot be timely maintained, molten sealing strip materials are easy to flow into gaps between the demolding mechanism and the cavity, so that the quality of the subsequent demolding and the produced sealing strip is influenced.
Disclosure of Invention
The invention aims to provide automobile sealing strip injection molding equipment with a rapid demoulding function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an attached quick drawing of patterns function's automobile sealing strip injection molding equipment, automobile sealing strip injection molding equipment includes forming device, loading attachment and cooling device, loading attachment sets up the top at forming device, cooling device sets up the both sides at forming device, forming device includes cover half and movable mould, be provided with a plurality of groups die cavity on the cover half, every group the below of die cavity all is provided with demoulding mechanism and steady voltage mechanism, every group the left and right sides of die cavity all is provided with a plurality of groups cooling tube, the inside of movable mould is provided with the feed divider room, the one end that the movable mould is close to the cover half is provided with the fixture block, the one end that the fixture block is close to the cover half is provided with a plurality of composition silo, the feed divider is linked together with the feed divider room, loading attachment includes material jar and feed arrangement, the material jar is connected with the feed divider room through feed arrangement.
According to the invention, a plurality of groups of cavities are arranged on the fixed die through the forming device, when materials enter the cavities through the dividing grooves, the materials can be cooled and formed through the cooling pipes, on one hand, the formed sealing strips can be quickly separated from the cavities through the demolding mechanism, on the other hand, the same quantity of the materials in each group of cavities during injection molding can be ensured, the produced sealing strips are prevented from having different quality, and finally the demolding mechanism always rubs with the cavities during operation, so that a wear phenomenon exists between the demolding mechanism and the cavities after long-time operation.
Further, the both sides of dividing the material room are provided with the plenum chamber, the plenum chamber is linked together with dividing the material room, the inside of plenum chamber is provided with the second fly leaf, be connected through the telescopic link between second fly leaf and the plenum chamber, the one end of second fly leaf is provided with the pneumatic valve, first inlet port has been seted up to the upper end of movable mould, the plenum chamber is linked together with first inlet port, be provided with the filter screen on the first inlet port.
The current automobile sealing strip injection molding equipment is generally characterized in that a feeding device directly feeds materials into a cavity, but the feeding method can generate a large amount of excess materials, so that the production cost cannot be effectively reduced.
Further, one side of the pressurizing chamber away from the material distributing chamber is provided with a transduction chamber, the inside of the transduction chamber is provided with a speed stabilizing rod, one end of the speed stabilizing rod, which is close to the fixed die, is provided with a magnetic block and extends out of the movable die, one end of the fixed die, which is close to the speed stabilizing rod, is provided with a speed stabilizing tube, and a coil is arranged in the speed stabilizing tube.
In the injection molding process, when the movable mould is folded towards the fixed mould, the magnetic block arranged at one end of the speed stabilizing rod close to the fixed mould can be inserted into the speed stabilizing pipe, and the coil is arranged in the speed stabilizing pipe, so that the descending speed of the movable mould can be slowed down according to the principles of Lenz law, and the ascending speed of the movable mould can be slowed down when the movable mould is separated from the fixed mould after injection molding is finished.
Further, the draw-in groove has been seted up on the cover half, through draw-in groove and fixture block sealing connection between cover half and the movable mould, the one end that the fixture block is close to the draw-in groove is provided with sealing mechanism, the one end that the draw-in groove is close to sealing mechanism is provided with the sealing ring, sealing mechanism includes seal groove, guide way and ventilation groove, the guide way sets up one side that the cover half was kept away from in the seal groove, the inside of guide way is provided with the guide bar, be provided with the arc piece on the guide bar, the inside of transduction room still is provided with getter device, getter device is connected with the steady pole through gear and rack, the second inlet port has been seted up to the upper end of movable mould, getter device's inlet end is linked together with the second inlet port, getter device's outlet end is linked together with the ventilation groove.
In the injection molding process, a clamping block stretches into a clamping groove, a fixed die and a movable die are of ladder structures, the purpose of preventing leakage can be achieved through the clamping groove and the clamping block, further, working efficiency is guaranteed, after long-time working, the clamping block and the clamping groove can generate gaps due to abrasion, if pressure in a cavity is overlarge at the moment, molten sealing strip materials in the cavity are extremely likely to seep out from the gaps between the clamping block and the clamping groove, a sealing mechanism is arranged at one end, close to the clamping groove, of the clamping block, when the fixed die and the movable die are closed, the sealing ring is contacted with a sealing groove, meanwhile, a speed stabilizing rod can move, the movement of the speed stabilizing rod can be converted into kinetic energy of an air suction device, external air can be sent into the sealing groove through the air suction device and the air suction groove, the seepage of the molten sealing strip materials can be restrained through conveyed air, and the quality of products is guaranteed.
Further, a gap is formed between the sealing ring and the guide groove, gas is arranged in the sealing ring, two groups of second conductive blocks are arranged in the guide groove, one group of second conductive blocks are fixedly arranged at one end, far away from the ventilation groove, of the guide groove, the other group of second conductive blocks are fixedly arranged on the arc-shaped blocks, and the second conductive blocks are connected with an external power supply.
When the tightness between the fixed die and the movable die is normal, after the air suction device and the ventilation groove send outside air into the sealing groove, the arc-shaped block can slide on the guide rod away from the ventilation groove under the action of air pressure, the distance between the two groups of second conductive blocks is reduced, if the second conductive blocks are connected with an external ammeter, then the current on the external ammeter can be increased along with the increase, when the tightness between the fixed die and the movable die is abnormal, after the air suction device and the ventilation groove send the same amount of outside air into the sealing groove, the sliding distance between the arc-shaped block and the guide rod can be reduced, compared with the situation that the tightness between the fixed die and the movable die is normal, the current increase amplitude on the external ammeter can be reduced, through the technical scheme, staff can judge the tightness between the fixed die and the movable die before working, so that materials are prevented from being scrapped due to poor tightness in the injection molding process.
Further, demoulding mechanism includes roof and calibration piece, demoulding mechanism sets up in the die cavity, the calibration piece sets up in the below of roof, the inside of calibration piece is provided with first cavity and second cavity, the inside of first cavity and second cavity is all filled with electrically conductive liquid and is linked together, the inside of first cavity is provided with first stripper plate and first magnetic field generator, first stripper plate have magnetism and with roof fixed connection, the inside of second cavity is provided with two sets of first electrically conductive pieces, a set of wherein first electrically conductive piece passes through spring movable mounting in the inside of second cavity, another set of first electrically conductive piece fixed mounting is in the inside of second cavity, first electrically conductive piece is connected with first magnetic field generator.
When the injection molding work, when molten sealing strip material flows into the cavity, under the action of gravity and air pressure, the top plate can move downwards, and drive the first stripper plate to move downwards, the conducting liquid in the first cavity can be extruded into the second cavity through the first stripper plate, and then two groups of first conducting blocks are separated, when two groups of first conducting blocks are connected with an external power supply and a ammeter, the change of the pressure in the cavity can be judged through the change of monitoring current, when the pressure is overlarge, the first magnetic field generator can generate a group of magnetic fields for attracting the first stripper plate, at the moment, the first stripper plate and the top plate can be lowered along with the magnetic fields, the pressure in the cavity is prevented from being overlarge during injection molding, the quality of products is influenced, the service life of the device is reduced, after the molding is finished, the first magnetic field generator can generate a group of magnetic fields for rejecting the first stripper plate, at the moment, the first stripper plate can be lifted along with the top plate, the molded sealing strips can be ejected out through the top plate, and further, the convenience is brought to workers to take.
Further, the first conductive block is connected with a telescopic rod arranged in the pressurizing chamber.
Through above-mentioned technical scheme, when the pressure in the die cavity is too little, the telescopic link that the plenum chamber inside set up can corresponding extension certain length for the indoor air of score increases, and then improves the die cavity internal pressure, prevent the inside bubble scheduling problem that exists of sealing strip that the too little production of pressure in the die cavity comes out, under the normal condition in addition, the electric current that the demoulding mechanism that every die cavity below set up produced should be the same, when the electric current that a certain demoulding mechanism produced all is different with other demoulding mechanisms, then represent the die cavity or the branch silo of this demoulding mechanism top to have appeared the problem, the sealing strip quality that produces can guarantee same batch through the electric current that a plurality of groups of demoulding mechanisms produced.
Further, the steady voltage mechanism includes gas storage tank, third cavity and fourth cavity, the gas storage tank is linked together with the die cavity through the air outlet channel, the inside of third cavity is provided with the baffle, the inside of fourth cavity is provided with the second stripper plate, the inside packing of fourth cavity has liquid and third cavity is linked together with the fourth cavity, the inside of gas storage tank is provided with first fly leaf and second magnetic field generator, the inside packing of gas storage tank has inert gas, first fly leaf has magnetism and is connected with second magnetic field generator through the spring.
In the injection molding process, when the top plate moves downwards, the second extrusion plate can move downwards, liquid inside the fourth cavity can be extruded into the third cavity through the second extrusion plate, then the baffle is retracted into the third cavity, the gas storage groove is communicated with the cavity through the gas outlet channel, if the second magnetic field generator generates a group of magnetic fields which repel the first movable plate, then inert gas inside the gas storage groove can be extruded into the lower part of the top plate through the first movable plate, and molten sealing strip materials can be prevented from flowing into gaps between the demoulding mechanism and the cavity through the inert gas below the top plate, so that the follow-up demoulding is inconvenient and the product quality is reduced.
Further, the pressure stabilizing mechanism further comprises a gear pump, the gear pump is arranged between the gas storage groove and the cavity, the gas inlet end of the gear pump is connected with the gas storage groove, and the gas outlet end of the gear pump is connected with the cavity.
Through the technical scheme, after the molding, when the top plate is ejected out of the sealing strip upwards, the second extruding plate does not have pressure, so that under the action of the spring, the baffle plate can stretch out from the third cavity again, inert gas in the gas storage groove can be blocked by the baffle plate to flow into the lower part of the top plate, a group of magnetic fields attracting the first movable plate are generated through the second magnetic field generator, the first movable plate can be reset, the inert gas below the top plate can flow into the gas storage groove again through the gear pump, the purpose of recycling is achieved, and the production cost is reduced.
Compared with the prior art, the invention has the following beneficial effects: compared with the prior automobile sealing strip injection molding equipment provided with a demolding mechanism, the demolding mechanism consists of a top plate and a calibration block, the molded sealing strip can be quickly ejected out of a cavity through a first magnetic field generator and a first extrusion plate which are arranged in the calibration block, two groups of first conductive blocks which are arranged in the calibration block are connected with an external power supply and a current meter during injection molding, the pressure change in the cavity can be judged through monitoring the change of current, the pressure in the cavity can be adjusted in real time through a telescopic rod which is arranged in the first magnetic field generator and the pressure increasing chamber, the pressure in the cavity is prevented from being too large and too small, the produced sealing strip is not qualified in quality, a pressure stabilizing mechanism is further arranged below the cavity, the pressure stabilizing mechanism can prevent the sealing strip material which is melted during injection molding from flowing into a gap between the demolding mechanism and the cavity after abrasion occurs between the demolding mechanism and the cavity, so that the subsequent demolding is inconvenient and the product quality is reduced, finally, a speed stabilizing rod is arranged on the moving die, the moving die can be provided with a speed stabilizing device, the air sealing device can be in contact with the air sealing groove through the sealing groove and the movable die, and the air sealing groove can be in an arc-shaped sealing groove when the moving die is in a sliding mode through the air sealing groove through the sealing groove and the movable die, and the air sealing groove can be effectively contacted with the air sealing groove through the air sealing groove when the air sealing groove through the movable die, and if airtight failure occurs, the sealing ring can expand and tightly contact with the guide groove through gas in the sealing ring, and the purpose of secondary sealing can be achieved through the sealing ring and the guide groove, so that the product quality is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the stationary mold of the present invention;
FIG. 3 is a schematic diagram of a movable mold structure according to the present invention;
FIG. 4 is a schematic view of the structure of portion A in FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the structure of portion B of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic diagram of the folding structure of the fixed mold and the movable mold of the invention;
FIG. 7 is a schematic view of the structure of portion C of FIG. 6 in accordance with the present invention;
fig. 8 is a schematic view of the structure of the portion D in fig. 6 according to the present invention.
In the figure: 1-molding apparatus, 11-stationary mold, 111-clamping groove, 1111-sealing ring, 112-cavity, 113-demolding mechanism, 1131-top plate, 11311-first extrusion plate, 1132-calibration block, 11321-first cavity, 113211-first magnetic field generator, 11322-second cavity, 113221-first conductive block, 114-voltage stabilizing mechanism, 1141-air storage groove, 11411-first movable plate, 11412-second magnetic field generator, 1142-third cavity, 11421-baffle, 1143-fourth cavity, 11431-second extrusion plate, 1144-gear pump, 115-speed stabilizing tube, 12-movable mold, 121-clamping block, 1211-distributing groove, 1212-sealing mechanism, 12121-sealing groove, 12122-guiding groove, 12123-guiding rod, 12124-second conductive block, 12125-arc block, 12126-ventilation groove, 122-transduction chamber, 1221-speed stabilizing rod, 1222-suction device, 123-chamber, 1231-second movable plate, 124-second movable plate, 1144-gear pump, 115-speed stabilizing tube, 121-clamping device, 12122-cooling device, and cooling device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-8, an automobile sealing strip injection molding device with a rapid demolding function comprises a molding device 1, a feeding device 2 and a cooling device 3, wherein the feeding device 2 is arranged above the molding device 1, the cooling device 3 is arranged on two sides of the molding device 1, the molding device 1 comprises a fixed die 11 and a movable die 12, a plurality of groups of cavities 112 are arranged on the fixed die 11, a demolding mechanism 113 and a pressure stabilizing mechanism 114 are arranged below each group of cavities 112, a plurality of groups of cooling pipes 31 are arranged on the left side and the right side of each group of cavities 112, a material distributing chamber 124 is arranged in the movable die 12, a clamping block 121 is arranged at one end, close to the fixed die 11, of the movable die 12, a plurality of component material distributing grooves 1211 are arranged at one end, close to the fixed die 11, of the clamping block 121 is communicated with the material distributing chamber 124, the feeding device 2 comprises a material tank 21 and a feeding device 22, and the material tank 21 is connected with the material distributing chamber 124 through the feeding device 22.
The invention provides a device for injection molding of a material, which comprises a feeding device 2, a molding device 1, a fixed mold 11, a plurality of groups of cavities 112, a pressure stabilizing mechanism 114, a cooling pipe 31, a demoulding mechanism 113, a sealing strip 112 and an air hole, wherein the molten sealing strip material is fed into the molding device 1 through the feeding device 2, the molding device 1 is used for injection molding of the material, when the material enters the cavities 112 through the dividing groove 1211, the material can be cooled and molded through the cooling pipe 31, the molded sealing strip can be quickly separated from the cavities 112 through the demoulding mechanism 113, the material quantity in each group of cavities 112 can be ensured to be the same during injection molding, the produced sealing strip is prevented from being different in quality, and finally the demoulding mechanism 113 is always rubbed with the cavities 112 during operation, so that a wear phenomenon exists between the demoulding mechanism 113 and the cavities 112 after long-time operation.
As shown in fig. 1-8, two sides of the material distributing chamber 124 are provided with a plenum 123, the plenum 123 is communicated with the material distributing chamber 124, a second movable plate 1231 is arranged in the plenum 123, the second movable plate 1231 is connected with the plenum 123 through a telescopic rod, one end of the second movable plate 1231 is provided with an air valve, the upper end of the movable mold 12 is provided with a first air inlet, the plenum 123 is communicated with the first air inlet, and a filter screen is arranged on the first air inlet.
The existing automobile sealing strip injection molding equipment is generally that a feeding device 2 directly feeds materials into a cavity 112, but the feeding method can generate a large amount of excess materials, so that the production cost cannot be effectively reduced.
As shown in fig. 1-8, a transduction chamber 122 is arranged at one side of the plenum 123 away from the material distributing chamber 124, a speed stabilizing rod 1221 is arranged in the transduction chamber 122, a magnetic block is arranged at one end of the speed stabilizing rod 1221, which is close to the fixed die 11, and extends out of the movable die 12, a speed stabilizing tube 115 is arranged at one end of the fixed die 11, which is close to the speed stabilizing rod 1221, and a coil is arranged in the speed stabilizing tube 115.
In the injection molding process, when the movable die 12 is folded towards the fixed die 11, the magnetic block arranged at one end of the speed stabilizing rod 1221 close to the fixed die 11 is inserted into the speed stabilizing pipe 115, and the coil is arranged in the speed stabilizing pipe 115, so that the descending speed of the movable die 12 is slowed down according to the principles of Lenz law, and the ascending speed of the movable die 12 is slowed down when the movable die 12 is separated from the fixed die 11 after injection molding is finished, by adopting the technical scheme, the collision strength can be reduced when the movable die 12 is folded towards the fixed die 11, the service life of the equipment is prolonged, and meanwhile, if the coil arranged in the speed stabilizing pipe 115 is connected with an external ammeter, the descending acceleration of the movable die 12 can be judged by monitoring the change of the current on the ammeter, so that the impact force of the movable die 12 to the fixed die 11 is judged, and the impact force of the movable die 12 to the fixed die 11 is prevented from being too large, and the service life of the equipment is influenced.
As shown in fig. 1-8, a clamping groove 111 is formed in the fixed mold 11, the fixed mold 11 is in sealing connection with the movable mold 12 through the clamping groove 111 and a clamping block 121, a sealing mechanism 1212 is arranged at one end, close to the clamping groove 111, of the clamping block 121, a sealing ring 1111 is arranged at one end, close to the sealing mechanism 1212, of the clamping groove 111, the sealing mechanism 1212 comprises a sealing groove 12121, a guide groove 12122 and an air vent groove 12126, the guide groove 12122 is arranged at one side, far away from the fixed mold 11, of the sealing groove 12121, a guide rod 12123 is arranged in the guide groove 12122, an arc-shaped block 12125 is arranged on the guide rod 12123, an air suction device 1222 is further arranged in the transduction chamber 122, the air suction device 1222 is connected with a speed stabilizing rod 1221 through a gear and a rack, a second air inlet hole is formed at the upper end of the movable mold 12, and an air inlet end of the air suction device 1222 is communicated with the second air vent groove 12126.
In the injection molding process, the clamping block 121 stretches into the clamping groove 111, the fixed die 11 and the movable die 12 are of stepped structures, the purpose of preventing leakage can be achieved through the clamping groove 111 and the clamping block 121, further, working efficiency is guaranteed, after the injection molding process is carried out for a long time, gaps can be formed between the clamping block 121 and the clamping groove 111 due to abrasion of the clamping block 121 and the clamping groove 111, if the pressure in the cavity 112 is overlarge at the moment, molten sealing strip materials in the cavity 112 are likely to seep out from the gaps between the clamping block 121 and the clamping groove 111.
As shown in fig. 1-8, a gap is formed between the sealing ring 1111 and the guiding groove 12122, gas is provided in the sealing ring 1111, two sets of second conductive blocks 12124 are provided in the guiding groove 12122, one set of second conductive blocks 12124 is fixedly installed at one end of the guiding groove 12122 far from the ventilation groove 12126, the other set of second conductive blocks 12124 is fixedly installed on the arc-shaped block 12125, and the second conductive blocks 12124 are connected with an external power source.
When the tightness between the fixed die 11 and the movable die 12 is normal, after the air suction device 1222 and the ventilation groove 12126 send outside air into the sealing groove 12121, under the action of air pressure, the arc-shaped block 12125 slides on the guide rod 12123 to be far away from the ventilation groove 12126, at the moment, the distance between the two groups of second conductive blocks 12124 is reduced, if the second conductive blocks 12124 are connected with an external ammeter, the current on the external ammeter is increased along with the increase, when the tightness between the fixed die 11 and the movable die 12 is abnormal, the air suction device 1222 and the ventilation groove 12126 send the same amount of outside air into the sealing groove 12121, the sliding distance between the arc-shaped block 12125 and the guide rod 12123 is reduced, compared with the case that the tightness between the fixed die 11 and the movable die 12 is normal, the current on the external ammeter is reduced, through the technical scheme, staff can judge the tightness between the fixed die 11 and the movable die 12 before working, the material is prevented from being scrapped due to poor tightness in the injection molding process, in addition, when the sealing ring 1111 is filled with gas, the sealing ring 121 and the sealing groove 12121 is out, and the sealing ring 1111 is expanded, and the sealing ring can reach the sealing purposes of sealing groove 12122 when the sealing ring 12122 is expanded, and the sealing ring 1111 is expanded, and the sealing ring can reach the sealing purposes when the sealing ring 12122 is expanded, and the sealing groove 1111 is closed, and the sealing groove is expanded, and the sealing groove and the sealing object is achieved.
As shown in fig. 1-8, the demolding mechanism 113 comprises a top plate 1131 and a calibration block 1132, the demolding mechanism 113 is arranged in the cavity 112, the calibration block 1132 is arranged below the top plate 1131, a first cavity 11321 and a second cavity 11322 are arranged in the calibration block 1132, conducting liquid is filled in and communicated with the first cavity 11321 and the second cavity 11322, a first extrusion plate 11311 and a first magnetic field generator 113211 are arranged in the first cavity 11321, the first extrusion plate 11311 is magnetic and fixedly connected with the top plate 1131, two groups of first conducting blocks 113221 are arranged in the second cavity 11322, one group of first conducting blocks 113221 are movably mounted in the second cavity 11322 through springs, the other group of first conducting blocks 113221 are fixedly mounted in the second cavity 11322, and the first conducting blocks 113221 are connected with the first magnetic field generator 113211.
When the injection molding work, when the molten sealing strip material flows into the cavity 112, under the action of gravity and air pressure, the top plate 1131 moves downwards and drives the first extrusion plate 11311 to move downwards, the conducting liquid in the first cavity 11321 can be extruded into the second cavity 11322 through the first extrusion plate 11311, and then the two groups of first conducting blocks 113221 are separated, when the two groups of first conducting blocks 113221 are connected with an external power supply and an ammeter, the pressure change in the cavity 112 can be judged through monitoring the change of current, when the pressure is overlarge, the first magnetic field generator 113211 can generate a group of magnetic fields for attracting the first extrusion plate 11311, at the moment, the first extrusion plate 11311 and the top plate 1131 can descend along with the magnetic fields, through the technical scheme, the pressure in the cavity 112 is prevented from being overlarge during injection molding, the quality of products is influenced, the service life of the device is reduced, after the molding is finished, the first magnetic field generator 113211 can generate a group of magnetic fields for rejecting the first extrusion plate 11311, at the moment, the first extrusion plate 11311 and the top plate 1131 can ascend along with the top plate 1131, and the sealing strip can be conveniently taken out by a person after the molding work.
As shown in fig. 1 to 8, the first conductive block 113221 is connected to a telescopic rod provided inside the pressurizing chamber 123.
Through the above technical scheme, when the pressure in the cavity 112 is too small, the telescopic rod arranged in the plenum 123 correspondingly extends for a certain length, so that the air in the distribution chamber 124 is increased, the pressure in the cavity 112 is further improved, the problems of bubbles and the like in the sealing strips produced by too small pressure in the cavity 112 are prevented, in addition, under normal conditions, the currents generated by the demoulding mechanisms 113 arranged below each cavity 112 are the same, when the currents generated by one demoulding mechanism 113 are different from those generated by other demoulding mechanisms 113, the problems occur in the cavity 112 or the distribution groove 1211 above the demoulding mechanism 113, and the quality of the sealing strips produced in the same batch can be guaranteed by comparing the currents generated by the several groups of demoulding mechanisms 113.
As shown in fig. 1-8, the voltage stabilizing mechanism 114 includes a gas storage tank 1141, a third cavity 1142 and a fourth cavity 1143, the gas storage tank 1141 is communicated with the cavity 112 through a gas outlet channel, a baffle 11421 is provided in the third cavity 1142, a second extrusion plate 11431 is provided in the fourth cavity 1143, a liquid is filled in the fourth cavity 1143 and the third cavity 1142 is communicated with the fourth cavity 1143, a first movable plate 11411 and a second magnetic field generator 11412 are provided in the gas storage tank 1141, an inert gas is filled in the gas storage tank 1141, and the first movable plate 11411 has magnetism and is connected with the second magnetic field generator 11412 through a spring.
In the injection molding process, when the top plate 1131 moves downward, the second extrusion plate 11431 moves downward, the liquid in the fourth cavity 1143 can be extruded into the third cavity 1142 through the second extrusion plate 11431, so that the baffle 11421 is retracted into the third cavity 1142, at this time, the air storage groove 1141 is communicated with the cavity 112 through the air outlet channel, if the second magnetic field generator 11412 generates a set of magnetic fields that repel the first movable plate 11411, the inert gas in the air storage groove 1141 can be extruded into the lower portion of the top plate 1131 through the first movable plate 11411, and the inert gas under the top plate 1131 can prevent the melted sealing strip material from flowing into the gap between the demoulding mechanism 113 and the cavity 112, so that the subsequent demoulding is inconvenient and the product quality is reduced.
As shown in fig. 1-8, the pressure stabilizing mechanism 114 further includes a gear pump 1144, the gear pump 1144 is disposed between the air storage tank 1141 and the cavity 112, an air inlet end of the gear pump 1144 is connected to the air storage tank 1141, and an air outlet end of the gear pump 1144 is connected to the cavity 112.
Through the above technical scheme, after the molding is finished, when the top plate 1131 is ejected upwards to eject the sealing strip, the second extrusion plate 11431 has no pressure, so under the action of the spring, the baffle 11421 can stretch out from the third cavity 1142 again, the inert gas in the gas storage groove 1141 can be blocked from flowing into the lower part of the top plate 1131 through the baffle 11421, a set of magnetic fields attracting the first movable plate 11411 are generated through the second magnetic field generator 11412, the first movable plate 11411 can be reset, and the inert gas below the top plate 1131 can flow into the gas storage groove 1141 again through the gear pump 1144, so that the purpose of recycling is realized, and the production cost is reduced.
The working principle of the invention is as follows: in operation, when the fixed mold 11 and the movable mold 12 are closed, the magnetic block disposed at one end of the speed stabilizing rod 1221 near the fixed mold 11 is inserted into the speed stabilizing pipe 115, at this time, the falling speed of the movable mold 12 is slowed down, so as to reduce the collision strength, in addition, the movement of the speed stabilizing rod 1221 can be converted into the kinetic energy of the suction device 1222 through the gear and the rack, the outside air can be sent into the seal groove 12121 through the suction device 1222 and the vent groove 12126, when the seal ring 1111 contacts the seal groove 12121, the arc block 12125 can slide on the guide rod 12123 through the gas in the seal groove 12121, if the second conductive block 12124 is connected with the external power source and the ammeter, the tightness between the fixed mold 11 and the movable mold 12 can be judged by monitoring the current change on the external ammeter, and when the tightness between the fixed mold 11 and the movable mold 12 is poor, the airtight effect can be achieved through the gas in the seal groove 12121, in the invention, when the molten sealing strip material flows into the cavity 112, the top plate 1131 and the first extrusion plate 11311 move downwards during injection molding, the conductive liquid in the first cavity 11321 can be extruded into the second cavity 11322 through the first extrusion plate 11311, so that two groups of first conductive blocks 113221 are separated, when the two groups of first conductive blocks 113221 are connected with an external power supply and a current meter, the pressure change in the cavity 112 can be judged by monitoring the change of current, the pressure in the cavity 112 can be adjusted in real time through the telescopic rod arranged in the first magnetic field generator 113211 and the plenum 123, inert gas in the gas storage tank 1141 can be extruded into the lower part of the top plate 1131 through the second magnetic field generator 11412 and the first movable plate 11411, molten sealing strip materials can be prevented from flowing into a gap between the demoulding mechanism 113 and the cavity 112 through the inert gas below the top plate 1131, the follow-up demoulding is inconvenient, the product quality is reduced, after the forming is finished, the first magnetic field generator 113211 can generate a group of magnetic fields which repel the first extrusion plate 11311, the formed sealing strips can be ejected out through the top plate 1131, and further the demoulding and the taking of workers are facilitated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An automobile sealing strip injection molding device with a rapid demoulding function, which is characterized in that: the automobile sealing strip injection molding equipment comprises a molding device (1), a feeding device (2) and a cooling device (3), wherein the feeding device (2) is arranged above the molding device (1), the cooling device (3) is arranged on two sides of the molding device (1), the molding device (1) comprises a fixed die (11) and a movable die (12), a plurality of groups of cavities (112) are arranged on the fixed die (11), a demoulding mechanism (113) and a pressure stabilizing mechanism (114) are arranged below each group of cavities (112), a plurality of groups of cooling pipes (31) are arranged on the left side and the right side of each group of cavities (112), a distributing chamber (124) is arranged inside the movable die (12), one end of the movable die (12) close to the fixed die (11) is provided with a plurality of component material grooves (1211), the component grooves (1211) are communicated with the distributing chamber (124), and the feeding device (2) comprises a material feeding chamber (21) and a material feeding device (22) which are connected with the material feeding device (124).
2. The automobile sealing strip injection molding device with a rapid demoulding function according to claim 1, wherein: the two sides of the material distributing chamber (124) are provided with a pressurizing chamber (123), the pressurizing chamber (123) is communicated with the material distributing chamber (124), a second movable plate (1231) is arranged in the pressurizing chamber (123), the second movable plate (1231) is connected with the pressurizing chamber (123) through a telescopic rod, one end of the second movable plate (1231) is provided with an air valve, the upper end of the movable die (12) is provided with a first air inlet hole, the pressurizing chamber (123) is communicated with the first air inlet hole, and a filter screen is arranged on the first air inlet hole.
3. The automobile sealing strip injection molding device with a rapid demoulding function according to claim 2, wherein: one side of the pressurizing chamber (123) away from the material distributing chamber (124) is provided with a transduction chamber (122), the inside of the transduction chamber (122) is provided with a speed stabilizing rod (1221), one end of the speed stabilizing rod (1221) close to the fixed die (11) is provided with a magnetic block and stretches out of the movable die (12), one end of the fixed die (11) close to the speed stabilizing rod (1221) is provided with a speed stabilizing tube (115), and the inside of the speed stabilizing tube (115) is provided with a coil.
4. A rapid release automotive weatherstrip injection molding apparatus according to claim 3, characterized in that: the fixed die is characterized in that a clamping groove (111) is formed in the fixed die (11), the fixed die (11) is connected with the movable die (12) in a sealing mode through the clamping groove (111) and a clamping block (121), one end, close to the clamping groove (111), of the clamping block (121) is provided with a sealing mechanism (1212), one end, close to the sealing mechanism (1212), of the clamping groove (111) is provided with a sealing ring (1111), the sealing mechanism (1212) comprises a sealing groove (12121), a guiding groove (12122) and a ventilation groove (12126), the guiding groove (12122) is formed in one side, far away from the fixed die (11), of the sealing groove (12121), a guiding rod (12123) is arranged in the guiding groove (12122), an arc-shaped block (12125) is arranged on the guiding rod (12123), an air suction device (1222) is further arranged in the transduction chamber (122), the air suction device (1222) is connected with a speed stabilizing rod (1221) through a gear and a rack, the upper end of the movable die (12) is provided with a second air suction hole (1222), and the air suction device (1222) is communicated with the second air suction end (1222).
5. The automobile sealing strip injection molding device with a rapid demoulding function according to claim 4, wherein: a gap is formed between the sealing ring (1111) and the guide groove (12122), gas is arranged in the sealing ring (1111), two groups of second conductive blocks (12124) are arranged in the guide groove (12122), one group of second conductive blocks (12124) is fixedly arranged at one end, far away from the ventilation groove (12126), of the guide groove (12122), the other group of second conductive blocks (12124) is fixedly arranged on the arc-shaped blocks (12125), and the second conductive blocks (12124) are connected with an external power supply.
6. The automobile sealing strip injection molding device with a rapid demoulding function according to claim 5, wherein: the demolding mechanism (113) comprises a top plate (1131) and a calibration block (1132), the demolding mechanism (113) is arranged in the cavity (112), the calibration block (1132) is arranged below the top plate (1131), a first cavity (11321) and a second cavity (11322) are formed in the calibration block (1132), conducting liquid is filled in the first cavity (11321) and the second cavity (11322) and is communicated with the first cavity, a first extrusion plate (11311) and a first magnetic field generator (113211) are arranged in the first cavity (11321), the first extrusion plate (11311) is magnetic and is fixedly connected with the top plate (1131), two groups of first conducting blocks (113221) are arranged in the second cavity (11322), a group of first conducting blocks (113221) are movably mounted in the second cavity (11322) through springs, a group of first conducting blocks (113221) are fixedly mounted in the second cavity (11322), and a group of first conducting blocks (113221) are fixedly mounted in the first cavity (3723) and are connected with the first magnetic field generator (3723).
7. The automobile sealing strip injection molding device with a rapid demoulding function according to claim 6, wherein: the first conductive block (113221) is connected with a telescopic rod arranged in the pressurizing chamber (123).
8. The automobile sealing strip injection molding device with a rapid demoulding function according to claim 7, wherein: the pressure stabilizing mechanism (114) comprises a gas storage groove (1141), a third cavity (1142) and a fourth cavity (1143), the gas storage groove (1141) is communicated with the cavity (112) through a gas outlet channel, a baffle (11421) is arranged in the third cavity (1142), a second extrusion plate (11431) is arranged in the fourth cavity (1143), liquid is filled in the fourth cavity (1143), the third cavity (1142) is communicated with the fourth cavity (1143), a first movable plate (11411) and a second magnetic field generator (11412) are arranged in the gas storage groove (1141), inert gas is filled in the gas storage groove (1141), and the first movable plate (11411) is magnetic and is connected with the second magnetic field generator (11412) through a spring.
9. The automobile sealing strip injection molding device with a rapid demoulding function according to claim 8, wherein: the pressure stabilizing mechanism (114) further comprises a gear pump (1144), the gear pump (1144) is arranged between the air storage groove (1141) and the cavity (112), the air inlet end of the gear pump (1144) is connected with the air storage groove (1141), and the air outlet end of the gear pump (1144) is connected with the cavity (112).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310029812.8A CN116039022A (en) | 2023-01-09 | 2023-01-09 | Automobile sealing strip injection molding equipment with rapid demolding function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310029812.8A CN116039022A (en) | 2023-01-09 | 2023-01-09 | Automobile sealing strip injection molding equipment with rapid demolding function |
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| CN116039022A true CN116039022A (en) | 2023-05-02 |
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| CN202310029812.8A Pending CN116039022A (en) | 2023-01-09 | 2023-01-09 | Automobile sealing strip injection molding equipment with rapid demolding function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117021439A (en) * | 2023-08-11 | 2023-11-10 | 江苏运科橡胶科技有限公司 | Vehicle sealing strip injection molding device with rapid cooling function |
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