CN116901384B - Automotive interior spare production and processing forming device - Google Patents
Automotive interior spare production and processing forming device Download PDFInfo
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- CN116901384B CN116901384B CN202311139308.XA CN202311139308A CN116901384B CN 116901384 B CN116901384 B CN 116901384B CN 202311139308 A CN202311139308 A CN 202311139308A CN 116901384 B CN116901384 B CN 116901384B
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- injection molding
- lower die
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- 238000012545 processing Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000000465 moulding Methods 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 14
- 230000001154 acute effect Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 description 55
- 239000004033 plastic Substances 0.000 description 55
- 230000009471 action Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7337—Heating or cooling of the mould using gas or steam
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
-
- 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
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
-
- 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
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
-
- 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 discloses an automobile interior trim part production processing forming device which comprises a machine body, an injection molding device, a compensation device and a power device, wherein the machine body is connected with the injection molding device, the injection molding device is connected with the compensation device, the power device is fixedly connected with the machine body, the power device is in transmission connection with the injection molding device, the machine body comprises a forming cavity, the injection molding device comprises an upper die and a lower die, the lower die is arranged in the forming cavity, the upper die and the lower die are oppositely arranged, the compensation device comprises a temperature control component, the temperature control component is arranged in the forming cavity, the temperature control component comprises a hot air pipe, the hot air pipe faces the upper profile of the lower die, the compensation device performs precompensation before injection molding, the included angle is filled by injecting and molding the included angle of the upper profile of the lower die, the injection molding quality is improved, the heating value compensation is performed through the hot air pipe, the local heating of a workpiece is prevented from affecting the fluidity due to the heat exchange of raw materials in a molten state and the dies, and the filling quality of an angle groove is reduced.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a device for producing, processing and molding automotive upholstery.
Background
In recent years, with the continuous development of automatic processing technology, the manual participation in machining processes, particularly in some dangerous machining processes, is reduced, so that the threat to operators can be reduced, and the production efficiency can be correspondingly improved.
In order to meet the individual demands, the interior trim of the motor vehicle generally needs to be molded by an injection molding process. However, compared with a common injection molding part, the automotive interior part is more complex in design, in order to meet the use and installation requirements of a vehicle, a certain part can form an angle groove, molten plastic can exchange heat with a mold in the flowing process, so that the temperature is reduced, the flowing performance is reduced, and the filling quality of the angle groove is reduced under the action of surface tension.
In addition, because the angles are different in different angle type grooves, when filling is carried out, the arc formed by the surface tension is different in size, the smaller the angle is, the higher the filling difficulty is, and the filling quality cannot be ensured.
Disclosure of Invention
The invention aims to provide a device for producing, processing and forming automotive upholstery, which aims to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides an automotive interior spare production processing forming device, including the organism, device of moulding plastics, compensation arrangement and power device, the organism is connected with the device of moulding plastics, the device of moulding plastics is connected with the compensation arrangement, power device and organism fastening connection, power device and device of moulding plastics transmission are connected, the organism includes the shaping die cavity, the device of moulding plastics includes mould and lower mould, the lower mould is arranged in the shaping die cavity in, go up mould and lower mould and arrange in opposite directions, compensation arrangement includes the temperature control subassembly, the temperature control subassembly is arranged in the shaping die cavity, the temperature control subassembly includes the hot-blast pipe, the upper profile of hot-blast pipe towards the lower mould.
The organism is as main installation basis for install other devices, carry out injection moulding through injection moulding device, carry out precompensation before moulding plastics through compensation arrangement, through carrying out injection moulding to the contained angle of the upper profile of lower mould, make the contained angle filled, improve injection moulding quality, power device is as main power supply, be used for driving the mould and remove, be convenient for carry out the position control, conveniently take out the shaping work piece, install the lower mould through the shaping chamber, carry out calorific value compensation through the hot-blast main, carry out the local heating to the work piece, prevent the raw materials and the mould heat transfer of molten state influence mobility, reduce angle type groove filling quality.
Further, the power device comprises an adjusting cylinder, the cylinder body of the adjusting cylinder is fixedly connected with the machine body, the output end of the adjusting cylinder is in transmission connection with the upper die, a material injection opening is formed in the upper die, and the material injection opening is communicated with a forming space between the lower molded surface of the upper die and the upper molded surface of the lower die;
the compensating device further comprises a detection component and an adjusting component, the adjusting component comprises a partition plate and a nozzle, the nozzle is arranged on the partition plate, a feeding pipe is arranged at the inlet of the nozzle, the nozzle is connected with the molten pool through the feeding pipe, the detection component is arranged on the partition plate and comprises a bottom plate, pole posts and an emergent light source, the emergent light source is fixedly connected with the partition plate, the emergent light source faces to an angle-shaped groove on the upper surface of the lower die, the bottom plate is in transmission connection with the partition plate, photosensitive layers are arranged on the outer side of the bottom plate, two pole posts are arranged, and the two pole posts are in intermittent conduction through the photosensitive layers;
when the angle groove is acute angle: the reflection light path of the emergent light source falls on the photosensitive layer, and the electrode post is conducted with a circuit where the photosensitive layer is positioned;
when the angle groove is obtuse angle: the reflection light path of the emergent light source is not on the photosensitive layer, and the circuit where the polar post and the photosensitive layer are positioned is cut off.
The machine body is used for fixing the adjusting cylinder, the adjusting cylinder is mainly used for outputting linear displacement to drive the upper die to move up and down, the material injection port on the upper die is communicated with the molten pool through a pipeline, molten plastic is filled in the molten pool, after being precompensated by the compensating device, the molten plastic is pumped into a forming space through the material injection port to be subjected to injection molding, the angle groove on the lower die is detected through the detecting component, when the angle groove is an obtuse angle, light emitted from the emergent light source irradiates on an inclined wall surface, the included angle between the emergent light and the wall surface is an obtuse angle, reflected light irradiates along the direction away from the emergent light source or irradiates on the upper part of the emergent light source, the reflected light cannot irradiate on the photosensitive layer, the photosensitive layer is supported by photosensitive materials, and under the action of illumination, the electron-hole pair can be excited to participate in conduction, and the angle groove with the obtuse angle can be filled under the action of the surface tension of the molten plastic due to the large opening angle; when the angle groove is acute angle, the molten plastic is easy to generate temperature drop in the flowing process and the contact of the lower die, one end far away from the nozzle is arc-shaped under the action of surface tension, so that the filling is incomplete, a filling dead angle is formed, the injection is directly carried out through the nozzle, the heat loss is reduced, the molten plastic angle groove still can keep good fluidity, the molten plastic is firstly contacted with the upper part of the angle groove, the molten plastic flows to the tip of the bottom side along the upper part of the angle groove under the action of self viscosity due to limited injection quantity, the angle groove is filled, and after the angle groove is filled, the molten plastic overflows outwards along the lower wall of the angle groove.
Further, the temperature control assembly further comprises a quantity adjusting plate and an electromagnet, the hot air pipe is provided with a quantity adjusting groove, the quantity adjusting plate and the electromagnet are respectively arranged at two ends of the quantity adjusting groove, the electromagnet and the quantity adjusting plate are sequentially arranged from top to bottom, the electromagnet is fixedly connected with the quantity adjusting groove, the quantity adjusting plate is made of a magnet material, and the quantity adjusting plate is in sliding connection with the quantity adjusting groove;
when the power is on: the opposite ends of the electromagnet and the metering plate are different-name magnetic poles.
The adjusting groove on the hot air pipe is used for installing the adjusting plate and the electromagnet, the electromagnet and the adjusting plate are provided with the same-name magnetic poles, the electromagnet is arranged in an upper mode, when the electromagnet is used for sucking the adjusting plate, the dead weight of the adjusting plate needs to be overcome, the adjusting plate slides up and down along the adjusting groove, the position of the adjusting plate is changed, the local overflow area of the hot air pipe can be adjusted, and therefore the outlet hot air quantity of the hot air pipe is adjusted.
Further, the two poles are electrically connected with the electromagnetic iron through a circuit conducted by the photosensitive layer.
The two polar posts are respectively electrically connected with the two binding posts of the power supply and are conducted through the photosensitive layer to form a detection circuit, the access circuit of the input electromagnet is controlled according to the current of the detection circuit, the electromagnet can be powered in a form of an external power supply, in an acute angle state, when the angle is smaller, the reflection light path is longer, the light loss is larger, the angle measuring circuit current where the polar posts are located is smaller, the mobility of molten plastics is better at the moment, the requirements of filling the angle-shaped groove can be met, the bottom of the metering plate is provided with a spring, the magnetic field intensity outside the electromagnet is reduced along with the reduction of the input current, the metering plate moves downwards under the action of spring force, the distance between the metering plate and the electromagnet is increased, namely the local overcurrent area is increased, more heat is sprayed out from the hot air pipe to the angle-shaped groove, so that the diagonal groove is preheated, and the mobility of the molten plastics is improved.
Further, the adjusting component further comprises a passing through groove, the passing through groove passes through the passing through groove, and the lower end of the passing through groove is in transmission connection with the partition plate.
The lifting cylinder is arranged on the upper die, and can drive the extension rod to move up and down, and when the diagonal groove is filled, the extension rod drives the partition plate to move up and down, and sliding guide is carried out by passing through the groove, so that the diagonal grooves with different layer heights of the upper molded surface of the lower die are filled.
Further, the adjusting component also comprises a reversing motor, the lifting cylinder is in transmission connection with the extension rod through the reversing motor, and the output end of the reversing motor is in transmission connection with the extension rod.
The reversing motor is positioned between the lifting cylinder and the extension rod and is mainly used for outputting torque, and the extension rod drives the partition plate to rotate, so that the spray nozzle sprays plastics at different angles of the upper molded surface of the lower die.
As an optimization, the nozzles and the hot air pipes are arranged in sequence from top to bottom along the space position. Through the spatial position arrangement of nozzle and hot-blast main from the top down, make molten plastics at the efflux in-process, keep warm through the steam of downside, reduce the heat loss, guarantee the mobility when flowing the angle groove to improve filling efficiency.
Preferably, the baffle plate is matched with the inlet at the lower end of the crossing groove. The lower end of the crossing groove is plugged through the partition plate, so that the lower molded surface of the upper mold is a continuous plane at the crossing groove, and the injection molding quality is ensured.
As optimization, the power device further comprises an ejection cylinder, the machine body is provided with a mounting groove, the ejection cylinder is arranged in the mounting groove, the lower die is provided with the ejection groove, and the upper end of the ejection cylinder is inserted into the ejection groove. The ejector cylinder is installed through the mounting groove, a corresponding cooling device is installed on the periphery of the forming cavity, after the workpiece is subjected to injection molding, the upper molded surface of the formed workpiece and the upper molded surface of the lower mold are separated through the ejector cylinder, and the demolding efficiency is improved.
Compared with the prior art, the invention has the following beneficial effects: when the angle groove is acute, the molten plastic is easy to generate temperature drop in the flowing process and the contact of the lower die, so that one end far away from the nozzle is arc-shaped under the action of surface tension to cause incomplete filling, a filling dead angle is formed, the molten plastic is directly sprayed through the nozzle to reduce heat loss, the molten plastic can still keep good fluidity, the molten plastic is firstly contacted with the upper part of the angle groove, the molten plastic flows to the tip of the bottom side along the upper part of the angle groove under the action of self viscosity due to limited sprayed quantity, the angle groove is filled, and after the angle groove is filled, overflows outwards along the lower wall surface of the angle groove, and the fluidity is reduced when the molten plastic flows to the lower wall surface of the angle groove by setting the discharging temperature of the molten plastic, so that the subsequent filling of the angle groove is prevented through the combination of a material injection port and an injection molding mode under the action of surface tension, the filling quality of the angle groove is ensured, and the filling speed is ensured; under the acute angle state, when the angle is smaller, the reflection light path is longer, the light loss is larger, the current of the angle measuring circuit where the electrode column is positioned is smaller, the better the fluidity of molten plastic is needed, the requirement of filling the angle groove can be met, the bottom of the angle adjusting plate is provided with a spring, the external magnetic field intensity of the electromagnet is reduced along with the reduction of the input current, the angle adjusting plate moves downwards under the action of the spring elasticity, the distance between the angle adjusting plate and the electromagnet is increased, namely the local overflow area is increased, more heat is sprayed out from the hot air pipe to the angle groove, so that the angle groove is preheated, and the fluidity of the molten plastic is improved; through the spatial position arrangement of nozzle and hot-blast main from the top down, make molten plastics at the efflux in-process, keep warm through the steam of downside, reduce the heat loss, guarantee the mobility when flowing the angle groove to improve filling efficiency.
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 general construction of the present invention;
FIG. 2 is a schematic view of an injection molding apparatus of the present invention;
FIG. 3 is an enlarged view of part A of the view of FIG. 2;
FIG. 4 is an enlarged view of part B of the view of FIG. 2;
FIG. 5 is an enlarged view of part C of the view of FIG. 2;
FIG. 6 is a partial D-amp view of the view of FIG. 2;
FIG. 7 is a schematic diagram of a workpiece take off drive of the present invention;
in the figure: the device comprises a 1-machine body, a 11-forming cavity, a 2-injection molding device, a 21-upper mold, a 211-traversing groove, a 212-material injection port, a 22-lower mold, a 221-ejection groove, a 3-compensation device, a 31-detection component, a 311-bottom plate, a 312-photosensitive layer, a 313-pole, a 314-emergent light source, a 32-adjustment component, a 321-baffle plate, a 322-nozzle, a 323-extension rod, a 324-reversing motor, a 325-lifting cylinder, a 33-temperature control component, a 331-hot air pipe, a 332-adjustment plate, 333-electromagnet, a 4-power device, a 41-adjustment cylinder and a 42-ejection cylinder.
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.
The invention provides the technical scheme that:
as shown in fig. 1-2, an automotive interior part production, processing and molding device comprises a machine body 1, an injection molding device 2, a compensation device 3 and a power device 4, wherein the machine body 1 is connected with the injection molding device 2, the injection molding device 2 is connected with the compensation device 3, the power device 4 is fixedly connected with the machine body 1, the power device 4 is in transmission connection with the injection molding device 2, the machine body 1 comprises a molding cavity 11, the injection molding device 2 comprises an upper die 21 and a lower die 22, the lower die 22 is arranged in the molding cavity 11, the upper die 21 and the lower die 22 are oppositely arranged, the compensation device 3 comprises a temperature control component 33, the temperature control component 33 is arranged in the molding cavity 11, the temperature control component 33 comprises a hot air pipe 331, and the hot air pipe 331 faces the upper surface of the lower die 22.
Organism 1 is as main installation basis for install other devices, carry out injection moulding through injection moulding device 2, carry out precompensation before moulding plastics through compensation arrangement 3, through carrying out injection moulding to the contained angle of the upper profile of lower mould 22, make the contained angle be filled, improve injection moulding quality, power device 4 is as main power supply, be used for driving mould 21 and remove, be convenient for carry out the position control, conveniently take out the shaping work piece, install lower mould 22 through shaping chamber 11, carry out calorific value compensation through hot-blast main 331, carry out the local heating to the work piece, prevent the raw materials and the mould heat transfer of molten state from influencing the mobility, reduce angle type groove filling quality.
As shown in fig. 2-6, the power device 4 comprises an adjusting cylinder 41, the cylinder body of the adjusting cylinder 41 is fixedly connected with the machine body 1, the output end of the adjusting cylinder 41 is in transmission connection with the upper die 21, a material injection port 212 is arranged on the upper die 21, and the material injection port 212 is communicated with a forming space between the lower molding surface of the upper die 21 and the upper molding surface of the lower die 22;
the compensating device 3 further comprises a detection component 31 and an adjustment component 32, the adjustment component 32 comprises a partition 321 and a nozzle 322, the nozzle 322 is arranged on the partition 321, a feeding pipe is arranged at an inlet of the nozzle 322, the nozzle 322 is connected with a molten pool through the feeding pipe, the detection component 31 is arranged on the partition 321, the detection component 31 comprises a bottom plate 311, a pole 313 and an emergent light source 314, the emergent light source 314 is fixedly connected with the partition 321, the emergent light source 314 faces an angle groove on the upper surface of the lower die 22, the bottom plate 311 is in transmission connection with the partition 321, a photosensitive layer 312 is arranged on the outer side of the bottom plate 311, two pole 313 are arranged, and the two pole 313 are intermittently conducted through the photosensitive layer 312;
when the angle groove is acute angle: the reflected light path of the light emitted by the emergent light source 314 falls on the photosensitive layer 312, and the electrode post 313 is conducted with the circuit where the photosensitive layer 312 is located;
when the angle groove is obtuse angle: the reflected light path of the light emitted from the light emitting source 314 is not on the photosensitive layer 312, and the circuit where the electrode post 313 and the photosensitive layer 312 are located is cut off.
The adjusting cylinder 41 is fixed through the machine body 1, the adjusting cylinder 41 is mainly used for outputting linear displacement to drive the upper die 21 to move up and down, the material injection port 212 on the upper die 21 is communicated with a molten pool through a pipeline, the molten pool is filled with molten plastic, after being pre-compensated by the compensation device 3, the molten plastic is pumped into a forming space through the material injection port 212 to be injection molded, an angle groove on the lower die 22 is detected through the detection component 31, when the angle groove is obtuse, light emitted from the emergent light source 314 irradiates on an inclined wall surface, the included angle between the emergent light and the wall surface is obtuse, reflected light irradiates along the direction far away from the emergent light source 314 or irradiates on the upper part of the emergent light source 314, the reflected light cannot irradiate on the photosensitive layer 312, the photosensitive layer 312 is supported by photosensitive materials, and under the action of illumination, electron-hole pairs can be excited to participate in conduction, and the angle groove with the obtuse angle can be filled under the action of the surface tension of the molten plastic due to the fact that the angle is larger in opening angle; when the angle groove is acute, the molten plastic is easy to be subjected to temperature drop in the flowing process and the lower die 22, one end far away from the nozzle 322 is arc-shaped under the action of surface tension, so that the filling is incomplete, a filling dead angle is formed, the injection is directly carried out through the nozzle 322, the heat loss is reduced, the molten plastic angle groove still can keep good fluidity, the molten plastic is firstly contacted with the upper part of the angle groove, the molten plastic flows to the tip of the bottom side along the upper part of the angle groove under the action of self viscosity due to limited injection quantity, the angle groove is filled, and after the angle groove is filled, the molten plastic overflows outwards along the lower wall surface of the angle groove, and the fluidity is reduced when the molten plastic flows to the lower wall surface of the angle groove due to the continuous temperature drop process, and the obtuse angle is formed under the action of the surface tension, so that the subsequent filling of the molten plastic through the injection port 212 is prevented, and the filling speed of the angle groove is ensured through the combination of the plastic injection mode and the injection mode.
As shown in fig. 5, the temperature control assembly 33 further includes a metering plate 332 and an electromagnet 333, the hot air pipe 331 is provided with a metering groove, the metering plate 332 and the electromagnet 333 are respectively disposed at two ends of the metering groove, the electromagnet 333 and the metering plate 332 are sequentially disposed from top to bottom, the electromagnet 333 is fixedly connected with the metering groove, the metering plate 332 is made of a magnet material, and the metering plate 332 is slidably connected with the metering groove;
when the power is on: the electromagnet 333 and the metering plate 332 are opposite ends of a magnetic pole of different names.
The adjusting plate 332 and the electromagnet 333 are installed through the adjusting groove on the hot air pipe 331, the same-name magnetic poles are arranged between the electromagnet 333 and the adjusting plate 332, the electromagnet 333 is arranged in an attractive state, when the adjusting plate 332 is attracted through the electromagnet 333, the dead weight of the adjusting plate 332 needs to be overcome, the adjusting plate 332 slides up and down along the adjusting groove, the local overflow area of the hot air pipe 331 can be adjusted through the position change of the adjusting plate 332, and therefore the outlet hot air quantity of the hot air pipe 331 is adjusted.
As shown in fig. 3 to 4, fig. 3 is a diagram of an outgoing light path and an incoming light path, and fig. 4 is a schematic diagram of light reflection, where two poles 313 are electrically connected to an electromagnet 333 through a circuit conducted by a photosensitive layer 312.
The two polar posts 313 are respectively electrically connected with the two binding posts of the power supply and are conducted through the photosensitive layer 312 to form a detection circuit, the access circuit of the input electromagnet 333 is controlled according to the current of the detection circuit, the electromagnet 333 can be powered by adopting an external power supply mode, under an acute angle state, when the angle is smaller, the longer the reflecting light path is, the larger the light loss is, the smaller the angle measuring circuit current where the polar posts 313 are located is, the better the fluidity of molten plastics is needed at the moment, the requirements of filling the angle-shaped groove can be met, the bottom of the adjusting plate 332 is provided with a spring, the distance between the adjusting plate 332 and the electromagnet 333 is increased under the action of the spring force along with the reduction of the input current, namely the local overcurrent area is increased, more heat is sprayed out from the hot air pipe 331 to the angle-shaped groove, so that the fluidity of the molten plastics is preheated, and the fluidity of the molten plastics is improved.
As shown in fig. 2, the adjusting assembly 32 further comprises a extending rod 323 and a lifting cylinder 325, the lifting cylinder 325 is fixedly connected with the upper die 21, the output end of the lifting cylinder 325 is in transmission connection with the extending rod 323, the upper die 21 is provided with a through groove 211, the extending rod 323 passes through the through groove 211, and the lower end of the extending rod 323 is in transmission connection with the partition plate 321.
The lifting cylinder 325 is installed on the upper die 21, the lifting cylinder 325 can drive the extension rod 323 to move up and down, and when the diagonal groove is filled, the extension rod 323 drives the partition plate 321 to move up and down, and sliding guide is performed through the through groove 211, so that the diagonal grooves with different layer heights of the upper molded surface of the lower die 22 are filled.
As shown in fig. 2, the adjusting assembly 32 further includes a reversing motor 324, and the lifting cylinder 325 is in transmission connection with the extension rod 323 through the reversing motor 324, and an output end of the reversing motor 324 is in transmission connection with the extension rod 323.
The reversing motor 324 is located between the lifting cylinder 325 and the extension rod 323, and the reversing motor 324 is mainly used for outputting torque, and drives the partition plate 321 to rotate through the extension rod 323, so that the spray nozzle 322 sprays plastics at different angles of the upper molded surface of the lower mold 22.
Preferably, the nozzles 322 and the hot air pipes 331 are arranged in sequence from top to bottom along the spatial position. Through the spatial position arrangement of nozzle 322 and hot-blast main 331 from the top down, make molten plastics at the efflux in-process, keep warm through the steam of downside, reduce the heat loss, guarantee the mobility when flowing the angle groove to improve filling efficiency.
Preferably, the baffle 321 is adapted to the inlet at the lower end of the through slot 211. The lower end of the crossing groove 211 is plugged by the baffle 321, so that the lower profile of the upper die 21 is a continuous plane at the crossing groove 211, and the injection molding quality is ensured.
As shown in fig. 7, the power device 4 further includes an ejector cylinder 42, a mounting groove is formed in the machine body 1, the ejector cylinder 42 is placed in the mounting groove, an ejector groove 221 is formed in the lower die 22, and the upper end of the ejector cylinder 42 is inserted into the ejector groove 221. The ejector cylinder 42 is installed through the mounting groove, a corresponding cooling device is installed on the periphery of the forming cavity 11, after the workpiece is injection molded, the upper molded surface of the molded workpiece and the upper molded surface of the lower mold 22 are separated through the ejector cylinder 42, and the demolding efficiency is improved.
The working principle of the invention is as follows: when the angle groove is acute, the molten plastic is easy to generate temperature drop in the flowing process and the lower die 22, so that one end far away from the nozzle 322 is arc-shaped under the action of surface tension to cause incomplete filling, a filling dead angle is formed, the injection is directly carried out through the nozzle 322 to reduce heat loss, the molten plastic angle groove still can keep good fluidity, the molten plastic is firstly contacted with the upper part of the angle groove, the molten plastic flows to the tip of the bottom side along the upper part of the angle groove under the action of self viscosity due to limited injection quantity, the angle groove is filled, and after the angle groove is filled, overflows outwards along the lower wall surface of the angle groove, and the fluidity is reduced when the molten plastic flows to the lower wall surface of the angle groove by setting the discharging temperature of the molten plastic, and the obtuse angle is formed under the action of the surface tension to prevent the subsequent injection filling of the material through the injection port 212, and the combination of the injection mode, so that the filling quality of the angle groove is ensured, and the filling speed is ensured; in an acute angle state, when the angle is smaller, the longer the reflection light path is, the larger the light loss is, the smaller the current of the angle measuring circuit is, the better the fluidity of the molten plastic is needed, the requirement of filling the angle groove can be met, the bottom of the adjusting plate 332 is provided with a spring, along with the reduction of the input current, the outside magnetic field intensity of the electromagnet 333 is reduced, the adjusting plate 332 moves downwards under the action of the spring force, the distance between the adjusting plate 332 and the electromagnet 333 is increased, namely the local overcurrent area is increased, more heat is sprayed from the hot air pipe 331 to the angle groove, so that the angle groove is preheated, and the fluidity of the molten plastic is improved; through the spatial position arrangement of nozzle 322 and hot-blast main 331 from the top down, make molten plastics at the efflux in-process, keep warm through the steam of downside, reduce the heat loss, guarantee the mobility when flowing the angle groove to improve filling efficiency.
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 (5)
1. The utility model provides an automotive interior spare production processing forming device which characterized in that: the processing and forming device comprises a machine body (1), an injection molding device (2), a compensation device (3) and a power device (4), wherein the machine body (1) is connected with the injection molding device (2), the injection molding device (2) is connected with the compensation device (3), the power device (4) is fixedly connected with the machine body (1), the power device (4) is in transmission connection with the injection molding device (2), the machine body (1) comprises a forming cavity (11), the injection molding device (2) comprises an upper die (21) and a lower die (22), the lower die (22) is arranged in the forming cavity (11), the upper die (21) and the lower die (22) are oppositely arranged, the compensation device (3) comprises a temperature control component (33), the temperature control component (33) is arranged in the forming cavity (11), the temperature control component (33) comprises a hot air pipe (331), and the hot air pipe (331) faces the upper die surface of the lower die (22).
The power device (4) comprises an adjusting cylinder (41), the cylinder body of the adjusting cylinder (41) is fixedly connected with the machine body (1), the output end of the adjusting cylinder (41) is in transmission connection with the upper die (21), a material injection port (212) is arranged on the upper die (21), and the material injection port (212) is communicated with a forming space between the lower molded surface of the upper die (21) and the upper molded surface of the lower die (22);
the compensating device (3) further comprises a detection component (31) and an adjustment component (32), the adjustment component (32) comprises a partition board (321) and a nozzle (322), the nozzle (322) is arranged on the partition board (321), a feeding pipe is arranged at the inlet of the nozzle (322), the nozzle (322) is connected with a molten pool through the feeding pipe, the detection component (31) is arranged on the partition board (321), the detection component (31) comprises a bottom plate (311), a pole (313) and an emergent light source (314), the emergent light source (314) is fixedly connected with the partition board (321), the emergent light source (314) faces the angle groove on the upper surface of the lower die (22), the bottom plate (311) is in transmission connection with the partition board (321), a photosensitive layer (312) is arranged on the outer side of the bottom plate (311), two pole (313) are arranged, and the two pole (313) are intermittently conducted through the photosensitive layer (312);
when the angle groove is acute angle: the reflection light path of the emergent light source (314) falls on the photosensitive layer (312), and the electrode post (313) is conducted with a circuit where the photosensitive layer (312) is positioned;
when the angle groove is obtuse angle: the reflection light path of the emergent light source (314) is not on the photosensitive layer (312), and the circuit where the polar column (313) and the photosensitive layer (312) are positioned is cut off;
the temperature control assembly (33) further comprises a metering plate (332) and an electromagnet (333), the hot air pipe (331) is provided with a metering groove, the metering plate (332) and the electromagnet (333) are respectively arranged at two ends of the metering groove, the electromagnet (333) and the metering plate (332) are sequentially arranged from top to bottom, the electromagnet (333) is fixedly connected with the metering groove, the metering plate (332) is made of a magnet material, and the metering plate (332) is in sliding connection with the metering groove;
when the power is on: the opposite ends of the electromagnet (333) and the metering plate (332) are different-name magnetic poles;
the two polar posts (313) are electrically connected with the electromagnet (333) through a circuit conducted by the photosensitive layer (312);
the adjusting component (32) further comprises a passing groove (211) and a lifting cylinder (325), the lifting cylinder (325) is fixedly connected with the upper die (21), the output end of the lifting cylinder (325) is in transmission connection with the passing groove (211), the passing rod (323) passes through the passing groove (211), and the lower end of the passing rod (323) is in transmission connection with the partition plate (321).
2. The automotive interior part production and processing molding device according to claim 1, wherein: the adjusting assembly (32) further comprises a reversing motor (324), the lifting cylinder (325) is in transmission connection with the extension rod (323) through the reversing motor (324), and the output end of the reversing motor (324) is in transmission connection with the extension rod (323).
3. The automotive interior part production and processing molding device according to claim 2, wherein: the nozzle (322) and the hot air pipe (331) are sequentially arranged from top to bottom along the space position.
4. A vehicle interior trim component production molding apparatus as defined in claim 3, wherein: the baffle plate (321) is matched with the inlet at the lower end of the traversing groove (211).
5. The automotive interior part production and molding device according to claim 4, wherein: the power device (4) further comprises an ejection cylinder (42), the machine body (1) is provided with a mounting groove, the ejection cylinder (42) is arranged in the mounting groove, the lower die (22) is provided with an ejection groove (221), and the upper end of the ejection cylinder (42) is inserted into the ejection groove (221).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311139308.XA CN116901384B (en) | 2023-09-06 | 2023-09-06 | Automotive interior spare production and processing forming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311139308.XA CN116901384B (en) | 2023-09-06 | 2023-09-06 | Automotive interior spare production and processing forming device |
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| CN116901384A CN116901384A (en) | 2023-10-20 |
| CN116901384B true CN116901384B (en) | 2023-11-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941780A (en) * | 2020-08-20 | 2020-11-17 | 张文博 | Injection mold with thermal compensation function |
| CN114407288A (en) * | 2022-01-11 | 2022-04-29 | 邢刚 | Multi-station temperature control injection molding machine |
| CN219486432U (en) * | 2023-02-07 | 2023-08-08 | 东莞市凌众精密模具有限公司 | Mould adopting hidden ox horn water inlet structure |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941780A (en) * | 2020-08-20 | 2020-11-17 | 张文博 | Injection mold with thermal compensation function |
| CN114407288A (en) * | 2022-01-11 | 2022-04-29 | 邢刚 | Multi-station temperature control injection molding machine |
| CN219486432U (en) * | 2023-02-07 | 2023-08-08 | 东莞市凌众精密模具有限公司 | Mould adopting hidden ox horn water inlet structure |
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