CN116214841A - Intelligent temperature control type thin-wall injection mold - Google Patents

Intelligent temperature control type thin-wall injection mold Download PDF

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Publication number
CN116214841A
CN116214841A CN202211647491.XA CN202211647491A CN116214841A CN 116214841 A CN116214841 A CN 116214841A CN 202211647491 A CN202211647491 A CN 202211647491A CN 116214841 A CN116214841 A CN 116214841A
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CN
China
Prior art keywords
mold
pipe
cooling
wall
movable
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Pending
Application number
CN202211647491.XA
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Chinese (zh)
Inventor
林春平
杨旺德
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Fujian Jingwei Intelligent Technology Co ltd
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Fujian Jingwei Intelligent Technology Co ltd
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Priority to CN202211647491.XA priority Critical patent/CN116214841A/en
Publication of CN116214841A publication Critical patent/CN116214841A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • 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
    • B29C45/2602—Mould construction elements
    • B29C45/2606—Guiding or centering means
    • 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
    • B29C45/2608—Mould seals
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses an intelligent temperature control type thin-wall injection mold, which comprises a fixed mold and a movable mold, wherein a guide mechanism is arranged between the fixed mold and the movable mold, one end of the fixed mold is provided with an injection hole, one end of the injection hole is connected with an injection conveying pipe, a heating component is arranged in the injection conveying pipe, an ejection mechanism is arranged in the movable mold, a cooling component is arranged in the movable mold, and one sides of the fixed mold and the movable mold are provided with an adjusting mechanism. The mechanism is matched with each other, so that when the injection molding machine is used, the injection molding conveying pipe can be heated and kept warm continuously, the molten plastic can be prevented from being cooled and solidified, on one hand, the adhesion on the inner wall can be prevented, the smooth conveying can be ensured, on the other hand, the solidified plastic can be prevented from entering the mold cavity together with the subsequent injection molding, the quality of an injection molding product can be ensured, the mold cavity can be cooled conveniently, the mold can be cooled and shaped quickly, and the demolding and the subsequent injection molding processing can be conveniently used.

Description

Intelligent temperature control type thin-wall injection mold
Technical Field
The invention relates to the technical field of injection molds, in particular to an intelligent temperature control type thin-wall injection mold.
Background
Injection molding is a processing method used in mass production of parts with complex shapes, and specifically refers to injecting a heated and melted material into a mold cavity under high pressure, and cooling and solidifying the material to obtain a formed product. The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions.
The invention discloses an intelligent temperature control type thin-wall injection mold, which is disclosed in the retrieved Chinese patent publication No. CN104626469B and comprises a mold body, a ceramic heating block, a temperature probe, a temperature control box and an air duct, wherein the mold body comprises a fixed mold and a movable mold which are matched with each other, an injection molding cavity is formed between the movable mold and the fixed mold after the fixed mold and the movable mold are clamped, and a hot runner is arranged on the mold body and is communicated with the injection molding cavity; the temperature control box is connected with the temperature probe and used for receiving temperature data detected by the temperature probe, and the temperature control box is connected with the ceramic heating block and used for controlling the heating temperature of the ceramic heating block. The invention has reasonable structure, is particularly suitable for the injection molding of thin-wall plastic parts, has uniform heating in the injection molding process, uniform cooling in the cooling process, high cooling efficiency, light mold mass, low manufacturing cost and good controllability.
However, the device has certain defects when in actual use, and can not heat and preserve heat of the injection molding hole, so that when in cooling, the inside plastic is cooled and solidified, so that the device is not only easy to adhere to the inner wall of the injection molding hole and inconvenient to process and use next time, but also easy to cause that the device can be injected into the mold cavity along with molten plastic when in next injection molding, and thus the injection molding quality of the thin-wall product can be influenced.
And as disclosed in chinese patent publication No. CN111805852B, an injection mold comprises a hydraulic device, a hydraulic rod moving mold and a fixed mold, wherein the hydraulic device is in transmission connection with the moving mold through the hydraulic rod, a mold cavity is formed between the moving mold and the fixed mold, a cooling water channel is arranged on the mold cavity, a pouring port is arranged in the middle of the fixed mold, the pouring port is communicated with the mold cavity and the pouring port is communicated with the injection molding machine, the middle of the moving mold is provided with a groove-shaped mold cavity and the groove is communicated with the mold cavity, from the perspective of demolding, the surface of an injection molding piece is not adhered to the fixed mold during demolding, the resistance is relatively small, and the surface quality of the injection molding piece during demolding is improved.
However, the device is easy to adhere to the inner wall of the injection hole, is inconvenient to process and use next time, and is easy to inject into the die cavity along with molten plastic in next injection, so that the injection quality of the thin-wall product is affected.
Disclosure of Invention
The invention aims to provide an intelligent temperature control type thin-wall injection mold so as to solve the problems in the background technology.
The technical scheme of the invention is realized as follows:
according to one aspect of the invention, an intelligent temperature control type thin-wall injection mold is provided, which comprises a fixed mold and a movable mold, wherein a guide mechanism is arranged between the fixed mold and the movable mold, one end of the fixed mold is provided with an injection hole, one end of the injection hole is connected with an injection conveying pipe, a heating component is arranged in the injection conveying pipe, an ejection mechanism is arranged in the movable mold, a cooling component is arranged in the movable mold, one sides of the fixed mold and the movable mold are provided with an adjusting mechanism, the cold end of the adjusting mechanism is connected with the cooling component, and the hot end of the adjusting mechanism is connected with the heating component.
Preferably, in order to be convenient to carry out heat preservation heating to the conveyer pipe of moulding plastics, avoid melting plastics to solidify, still can cool off in the die cavity, make things convenient for goods cooling design, adjustment mechanism is equipped with the vortex tube including setting up the mounting panel in fixed mould and movable mould one side on the mounting panel, the input connection of vortex tube is equipped with compressed gas and advances the tube, the vortex tube is that the hot junction is connected with heating element, the cold junction of vortex tube is connected with cooling module to still be connected through sliding support subassembly between cooling module and the mounting panel.
Preferably, in order to be convenient to carry out heat preservation heating to the conveyer pipe of moulding plastics, avoid melting plastics to solidify, heating element includes the hot air pipe that is connected with vortex tube hot end, and the hot air pipe runs through the fixed mould and extends to the inside heating pipe that is equipped with of heating cavity, and the heating cavity is offered inside the conveyer pipe of moulding plastics to the one end that the hot air pipe was kept away from to the heating pipe is equipped with the steam exit tube.
Preferably, in order to cool the die cavity, the product can be cooled and shaped conveniently, the joint of the ejector rods can be sealed, the cooling assembly comprises a cooling cavity arranged in the movable die, one end of the cooling cavity is provided with a cold air pipe, the cold air pipe penetrates out of the movable die and is connected with the cold end of the vortex tube, the other end of the cooling cavity is provided with a cold air outlet pipe, and a sealing structure is further arranged between the cooling cavity and the ejection mechanism.
Preferably, in order to ensure that the movable mold can move and be clamped, the movable mold can move along with the movable mold without influencing cooling use, the sliding support assembly comprises a telescopic pipe arranged between the cold end of the vortex tube and the cold air pipe, two ends of the telescopic pipe are respectively sleeved with a fixed ring, one fixed ring is fixedly connected with the mounting plate through a support rod, and the other fixed ring is provided with a sliding structure through the support rod.
Preferably, in order to ensure the stability of sliding and avoid the occurrence of offset, the sliding structure comprises a sliding groove arranged on the mounting plate, a sliding block is arranged in the sliding groove in a sliding manner, and the sliding block is fixedly connected with a supporting rod below another fixing ring.
Preferably, in order to carry out demoulding operation after cooling shaping, the collecting is convenient, the ejection mechanism comprises symmetrically arranged through holes on the mould, ejector rods are slidably arranged in the through holes, one ends of the ejector rods penetrate out of the movable mould to be provided with push plates together, springs I are sleeved outside the ejector rods, and electric push rods are arranged in the middle of the push plates.
Preferably, in order to facilitate sealing the through hole during injection molding, ensure sealing of the mold cavity, lose sealing during demolding, facilitate ejection and demolding of the product by the ejector rod, the sealing structure comprises an annular groove formed on the inner wall of the through hole, an elastic bag is arranged in the annular groove, and one end of the elastic bag is communicated with the cooling cavity through a through groove.
Preferably, in order to facilitate die assembly positioning, hard contact can be avoided, the service life of the die is guaranteed, the guide mechanism comprises guide posts fixedly arranged on the fixed die at equal intervals, rubber gaskets are arranged at the ends of the guide posts, the guide mechanism further comprises guide sliding grooves which are formed in the movable die at equal intervals and are matched with the guide posts, and buffer assemblies matched with the guide posts are arranged inside the guide sliding grooves.
Preferably, in order to facilitate die assembly positioning, hard contact can be avoided, the service life of the die is guaranteed, the buffer assembly comprises a moving plate which is arranged inside the guide chute in a sliding mode, the moving plate is connected with the guide chute through a spring in a two-phase mode, limit clamping blocks are arranged on the peripheral side faces of the moving plate in an equidistant mode, and limit clamping grooves matched with the limit clamping blocks are formed in the inner wall of the guide chute.
Compared with the prior art, the invention has the beneficial effects that:
the technical point of the invention is as follows: through the mutual cooperation of the adjusting mechanism, the heating component and the cooling component, the injection molding conveying pipe can be heated and kept warm continuously when the injection molding machine is used, so that molten plastics can be prevented from being cooled and solidified, adhesion on the inner wall can be prevented, smooth conveying is ensured, and further injection molding efficiency is ensured, on the other hand, solidified plastics can be prevented from entering the mold cavity along with the subsequent injection molding, the quality of injection molding products can be ensured, the mold cavity can be cooled conveniently, cooling and shaping can be carried out on the mold rapidly, and demolding and subsequent injection molding processing are facilitated;
the movable mold and the fixed mold can be conveniently positioned in the moving process through the guide mechanism, the shifting condition can be avoided, the precision of mold closing can be further ensured, the contact force can be buffered, the hard contact between the molds can be avoided, the service life of the molds can be further prolonged, the injection molded product can be conveniently ejected out after cooling and shaping through the ejection mechanism, the demolding is convenient, and the next injection molding is convenient;
and through the seal structure who is equipped with, can seal ejector pin and through-hole department when moulding plastics, guarantee the quality of moulding plastics, carry out the gassing when the drawing of patterns, can make things convenient for the ejector pin motion to carry out the drawing of patterns operation, through the slip supporting component that is equipped with on adjustment mechanism, not only can guarantee cooling module and heating module stability when using, guarantee safe in utilization to can also be when moving the mould and remove along with it, and do not influence the effect of cooling design to the die cavity.
Drawings
FIG. 1 is a schematic diagram of an intelligent temperature-controlled thin-wall injection mold;
fig. 2 is a schematic structural diagram of a fixed mold in an intelligent temperature-controlled thin-wall injection mold according to the present invention;
fig. 3 is a schematic structural diagram of a movable mold in an intelligent temperature-controlled thin-wall injection mold according to the present invention;
fig. 4 is a schematic structural diagram of an ejection mechanism in an intelligent temperature-controlled thin-wall injection mold according to the present invention;
fig. 5 is a schematic diagram of the internal structure of a movable mold in an intelligent temperature-controlled thin-wall injection mold according to the present invention;
fig. 6 is a schematic structural diagram of a guiding mechanism in an intelligent temperature-controlled thin-wall injection mold according to the present invention;
fig. 7 is a schematic diagram of an internal structure of a heating assembly in an intelligent temperature-controlled thin-wall injection mold according to the present invention;
fig. 8 is a schematic diagram of a part of a structure of an adjusting mechanism in an intelligent temperature-controlled thin-wall injection mold.
In the figure:
1. setting a mold; 2. a movable mold; 3. a push plate; 4. an electric push rod; 5. a guide post; 6. a mounting plate; 7. a vortex tube; 8. a compressed gas inlet pipe; 9. a cold air pipe; 10. a hot air pipe; 11. injection molding a conveying pipe; 12. a hot gas outlet pipe; 13. a rubber gasket; 14. a push rod; 15. a guide chute; 16. a first spring; 17. a cold air outlet pipe; 18. an elastic bag; 19. a cooling chamber; 20. a through groove; 21. a second spring; 22. a moving plate; 23. a limit clamping block; 24. a limit clamping groove; 25. heating pipes; 26. heating the cavity; 27. injection molding holes; 28. a telescopic tube; 29. a fixing ring; 30. a support rod; 31. a slide block; 32. a sliding groove.
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.
Referring to fig. 1-8, an intelligent temperature control thin-wall injection mold of the present embodiment includes a fixed mold 1 and a movable mold 2, wherein for the fixed mold 1, a male mold is disposed thereon, a mold cavity matched with the movable mold 2 is disposed on the movable mold 2, and the movable mold 2 may be in a shape of a thin plate, a cylinder, etc., so as to facilitate injection molding of plastic plate products and plastic bottles, etc., and for the movable mold 2, the movable mold 2 may be driven by means of a hydraulic telescopic rod (or an electric telescopic rod), etc., so as to facilitate movement of the movable mold 2 of the base, and further facilitate processing operations such as injection molding, demolding, etc., while for the fixed mold 1 and the movable mold 2, an outer portion and a bottom end are provided with a base and a housing (more mature technology is not described herein), so as to support and fix the apparatus, and also to protect the movable mold 2 and the fixed mold 1 are provided with a collecting hopper, so as to facilitate collection of injection molded articles after demolding;
a guide mechanism is arranged between the fixed die 1 and the movable die 2, wherein an injection hole 27 is formed in one end of the fixed die 1, one end of the injection hole 27 is connected with an injection conveying pipe 11, and the injection conveying pipe 11 is connected with a conveying end of an injection molding machine, so that heated and melted plastic can be conveniently injected into a die cavity at high pressure, and injection molding processing is facilitated;
the injection molding conveying pipe 11 is internally provided with a heating component, the movable mold 2 is internally provided with an ejection mechanism, the movable mold 2 is internally provided with a cooling component, one sides of the fixed mold 1 and the movable mold 2 are provided with an adjusting mechanism, the cold end of the adjusting mechanism is connected with the cooling component, and the hot end of the adjusting mechanism is connected with the heating component.
Through the mutual cooperation of above-mentioned mechanism, not only can conveniently fix a position the direction to the mould, can conveniently the compound die, and still can avoid hard contact between the mould, and then can improve the life of mould, can conveniently when moulding plastics the use simultaneously, sustainable heat preservation to moulding plastics conveyer pipe 11, can avoid inside plastics cooling solidification that melts, can avoid the adhesion on the inner wall on the one hand, guarantee to carry unobstructed, and then guarantee the efficiency of moulding plastics, on the other hand can avoid the plastics of solidifying can together enter into the die cavity inside when following moulding plastics, can guarantee the quality of the product of moulding plastics, and can also conveniently cool off the die cavity inside, can cool off the design fast to the mould, convenient drawing of patterns and subsequent injection moulding processing use.
In one embodiment, the adjusting mechanism comprises a mounting plate 6 arranged at one side of the fixed die 1 and the movable die 2, wherein the mounting plate 6 can be fixedly connected with a base (in a bolt or welding mode), a vortex tube 7 is arranged on the mounting plate 6, the input end of the vortex tube 7 is connected with a compressed gas inlet tube 8, the compressed gas inlet tube 8 is connected with the output end of an air compression pump (not shown in the figure), the technology is mature, the vortex tube 7 is a hot end connected with a heating component, the cold end of the vortex tube 7 is connected with a cooling component, and the cooling component is connected with the mounting plate 6 through a sliding supporting component.
In one embodiment, the heating assembly comprises a hot air pipe 10 connected with the hot end of the vortex tube 7, wherein the hot air pipe 10 is provided with a flow regulating valve (which can be a temperature control valve), so that the temperature of hot air and cold air can be conveniently regulated, the temperature regulation can be conveniently carried out according to the temperature in a die cavity, a temperature sensor is arranged in the die cavity, the two parts can be electrically connected through a PLC control system (a mature technology is omitted here), the temperature of the cold air and the hot air can be conveniently regulated according to the internal temperature, the constancy of the temperature of the die is ensured, the hot air pipe 10 penetrates through the fixed die 1 and extends to the heating cavity 26, and a heating pipe 25 is arranged in the heating cavity 26, wherein the heating pipe 25 is of a spiral hollow structure, so that the injection molding conveying pipe 11 close to the injection molding hole 27 can be conveniently heated, the internal melted plastics can be prevented from solidifying, the subsequent injection molding is convenient to use, the quality is ensured, the heating cavity 26 is arranged in the injection conveying pipe 11, and one end of the heating pipe 25 far from the hot air pipe 10 is provided with a hot air pipe 12;
the cooling assembly comprises a cooling cavity 19 arranged inside the movable mould 2, one end of the cooling cavity 19 is provided with a cold air pipe 9, the cold air pipe 9 penetrates out of the movable mould 2 to be connected with the cold end of the vortex tube 7, the other end of the cooling cavity 19 is provided with a cold air outlet pipe 17, an electric control valve is arranged on the cold air outlet pipe 17, the air quantity of an outlet can be conveniently adjusted, and then the through hole can be sealed through a sealing structure when cooling, so that the tightness between the ejector rod 14 and a mould cavity is ensured, the quality of injection molding is ensured, and a sealing structure is further arranged between the cooling cavity 19 and an ejection mechanism.
Through the adjustment mechanism that is equipped with, heating element and cooling module's mutually support, not only can make things convenient for when moulding plastics and use, sustainable heat preservation to moulding plastics conveyer pipe 11, can avoid inside plastics cooling solidification that melts, can avoid the adhesion on the inner wall on the one hand, guarantee to carry smoothly, and then guarantee the efficiency of moulding plastics, on the other hand can avoid the plastics of solidifying can together enter into the die cavity inside when moulding plastics with following, can guarantee the quality of injection moulding product, and can also conveniently cool off the die cavity inside, can cool off the design fast, convenient drawing of patterns and follow-up injection moulding processing use.
In one embodiment, the sliding support assembly comprises a telescopic pipe 28 arranged between the cold end of the vortex tube 7 and the cold air pipe 9, wherein the telescopic pipe 28 can be made of a corrugated pipe, can conveniently stretch along with the movement of the movable die 2, does not influence the cooling of cold air, is convenient for cooling and shaping a thin-wall injection molding product, is convenient for demolding, and is sleeved with a fixed ring 29 at both ends of the telescopic pipe 28, wherein the outer part of the hot air pipe 10 is also sleeved with the fixed ring 29 and is fixedly connected (welded) with the mounting plate 6 through a support rod 30, so that the stability of the hot air pipe 10 and the cold air pipe 9 in use can be ensured, one fixed ring 29 is fixedly connected with the mounting plate 6 through the support rod 30, and the other fixed ring 29 is provided with a sliding structure through the support rod 30; the sliding structure comprises a sliding groove 32 arranged on the mounting plate 6, a sliding block 31 is arranged in the sliding groove 32 in a sliding manner, the sliding effect can be ensured due to the T-shaped sliding groove 32, falling off can be avoided, the sliding block 31 is fixedly connected with a supporting rod 30 under another fixing ring 29, balls are arranged on the side wall of the sliding block 31, friction force between the sliding block 31 and the sliding groove 32 can be reduced, and the sliding structure can conveniently slide inside.
Through the slip supporting component that is equipped with on adjustment mechanism, not only can guarantee cooling component and heating component stability when using, guarantee safe in utilization to can also be when movable mould 2 removes, cooling component removes thereupon, and do not influence the effect of cooling design to the die cavity.
In one embodiment, the ejection mechanism comprises through holes symmetrically formed in the movable mold 2, wherein the number of the through holes can be one, two, three or four, the through holes can be set according to different processed products, and further the demolding operation of the products after shaping can be ensured, an ejector rod 14 is slidably arranged in the through holes, one end of the ejector rod 14 penetrates out of the movable mold 2 to be jointly provided with a push plate 3, a spring I16 is sleeved outside the ejector rod 14, and an electric push rod 4 is arranged in the middle of the push plate 3; the sealing structure comprises an annular groove formed in the inner wall of the through hole, an elastic bag 18 is arranged in the annular groove, the elastic bag 18 is made of silicon rubber and is in an annular hollow shape, the air can be conveniently inflated and deflated, the air can be inflated to deform during cooling, the through hole can be sealed by matching with the ejector rod 14, the ejector rod 14 can be conveniently moved and demolded during demolding, the operation is convenient and safe, and one end of the elastic bag 18 is communicated with the cooling cavity 19 through the through groove 20.
Can conveniently be after the cooling design through the ejection mechanism that is equipped with, the product that conveniently will mould plastics is ejecting, the drawing of patterns of being convenient for to and the use of moulding plastics next time, through the seal structure who is equipped with, can seal ejector pin 14 and through-hole department when moulding plastics, guarantee the quality of moulding plastics, gassing when the drawing of patterns can make things convenient for ejector pin 14 motion to carry out the drawing of patterns operation.
In one embodiment, the guiding mechanism comprises guiding posts 5 fixedly and equidistantly arranged on the fixed die 1, rubber gaskets 13 are arranged at the end parts of the guiding posts 5, the number of the guiding posts 5 can be four or six, and the like, the movable die 2 can be guided and positioned, the die assembly can be conveniently assembled for injection molding, the guiding mechanism also comprises guiding sliding grooves 15 which are equidistantly arranged on the movable die 2 and matched with the guiding posts 5, and buffer components matched with the guiding posts 5 are arranged in the guiding sliding grooves 15; the buffer component comprises a moving plate 22 which is arranged inside the guide chute 15 in a sliding manner, the moving plate 22 is connected with the guide chute 15 through a second spring 21, limit clamping blocks 23 are arranged on the peripheral side surface of the moving plate 22 at equal intervals, and limit clamping grooves 24 matched with the limit clamping blocks 23 are formed in the inner wall of the guide chute 15.
The guide mechanism can conveniently position the movable mould 2 and the fixed mould 1 in the moving process, the offset condition can be avoided, the mould closing accuracy can be further guaranteed, the contact force can be buffered, the hard contact between the moulds can be avoided, the service life of the moulds can be further prolonged, the ejector mechanism can conveniently eject the injection molded product after cooling and shaping, the demoulding is convenient, and the next injection molding is convenient.
In sum, when in use, the movable mold 2 is moved (can be driven by a hydraulic telescopic rod), at this time, the guide post 5 enters the guide chute 15, along with the continuous movement of the rubber gasket 13 to be contacted with the movable plate 22, thrust is generated, and then the guide chute 15 slides, the limit clamping block 23 and the limit clamping groove 24 are matched with each other, the movable plate 22 can be prevented from rotating when moving inside, stability is ensured, the springs II 21 are stressed and contracted to store potential energy, the force during mold assembly can be buffered and energy dissipation can be realized, hard contact between molds can be avoided, after mold assembly is completed, compressed air is introduced through the compressed air inlet pipe 8, under the action of the vortex pipe 7, hot air enters the heating cavity 26 inside the injection conveying pipe 11 through the hot air pipe 10, the plastic melted inside the heating pipe 25 is heated and kept warm, solidification is avoided, and meanwhile, cold air is conveyed into the cooling cavity 19 through the cold air pipe 9, at the same time, the inside the elastic air bag 18 is prevented from entering through the through groove 20, the electric control valve on the cold air pipe 17 is reduced, the air output is smaller than the air input, the elastic bag 18 is deformed and expanded, the force can be used for buffering and energy dissipation of the mold 14 and the through hole, the hard contact between molds can be avoided, after mold assembly is completed, the mold assembly is cooled, the cooling air is cooled down through the air flow is cooled down through the electric control pipe 9, the air inlet pipe 9 is cooled down, and cooled down through the air pipe 9 is cooled down, and cooled down through the cooling air pipe 9, and cooled down air flow is cooled down through the cooling air pipe 9, after the cooling air is cooled down through the air pipe 9, and cooled down through the cooling air pipe 9, and cooled down air pipe 9 is cooled down air is cooled down inside air cavity air is cooled down and cooled down through the air pipe 18, meanwhile, the electric push rod 4 stretches to carry the push rod 14 to slide in the through hole, the first spring 16 is stressed and contracted to store potential energy, so that a shaped product can be ejected, the potential energy push rod 14 of the first spring 16 is in shrink fit with the electric push rod 4 to reset, the operation is repeated, the secondary injection molding processing can be carried out, the mutual matching of the mechanisms can facilitate positioning and guiding of the die, the die can be conveniently assembled, hard contact between the dies can be avoided, the service life of the die can be further prolonged, meanwhile, the injection molding conveying pipe 11 can be conveniently and when in injection molding use, heating and heat preservation can be continuously carried out, cooling and solidification of plastic melted inside can be avoided, adhesion on the inner wall can be avoided, smooth conveying can be ensured, further injection molding efficiency can be ensured, solidified plastic can be prevented from entering the inside of a die cavity along with subsequent injection molding, the quality of injection molding products can be ensured, cooling can be conveniently carried out inside the die cavity, cooling and shaping can be rapidly carried out, and demolding and subsequent injection molding processing use can be conveniently carried out.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides an intelligence control by temperature change type thin wall injection mold, its characterized in that, including fixed mould (1) and movable mould (2), fixed mould (1) with be equipped with guiding mechanism between movable mould (2), wherein the one end of fixed mould (1) is equipped with injection hole (27), the one end of injection hole (27) is connected with conveyer pipe (11) of moulding plastics, be equipped with heating element in conveyer pipe (11) of moulding plastics, movable mould (2) inside is equipped with ejection mechanism, movable mould (2) inside is equipped with cooling module, fixed mould (1) with one side of movable mould (2) is equipped with adjustment mechanism, adjustment mechanism's cold junction with cooling module is connected, adjustment mechanism's hot junction with heating element is connected.
2. The intelligent temperature control type thin-wall injection mold disclosed in claim 1, wherein the adjusting mechanism comprises a mounting plate (6) arranged on one side of the fixed mold (1) and the movable mold (2), a vortex tube (7) is arranged on the mounting plate (6), the input end of the vortex tube (7) is connected with a compressed gas inlet tube (8), the vortex tube (7) is connected with a heating component, the cold end of the vortex tube (7) is connected with the cooling component, and the cooling component is connected with the mounting plate (6) through a sliding support component.
3. The intelligent temperature-control thin-wall injection mold according to claim 2, wherein the heating assembly comprises a hot air pipe (10) connected with the hot end of the vortex tube (7), the hot air pipe (10) penetrates through the fixed mold (1) and extends to the inside of the heating cavity (26) to form a heating pipe (25), the heating cavity (26) is formed in the injection conveying pipe (11), and one end, far away from the hot air pipe (10), of the heating pipe (25) is provided with a hot air outlet pipe (12).
4. The intelligent temperature control type thin-wall injection mold disclosed in claim 3, wherein the cooling assembly comprises a cooling cavity (19) formed in the movable mold (2), one end of the cooling cavity (19) is provided with a cold air pipe (9), the cold air pipe (9) penetrates out of the movable mold (2) to be connected with the cold end of the vortex tube (7), the other end of the cooling cavity (19) is provided with a cold air outlet pipe (17), and a sealing structure is further arranged between the cooling cavity (19) and the ejection mechanism.
5. The intelligent temperature control thin-wall injection mold of claim 2, wherein the sliding support assembly comprises a telescopic pipe (28) arranged between the cold end of the vortex tube (7) and the cold air pipe (9), two ends of the telescopic pipe (28) are respectively sleeved with a fixed ring (29), one fixed ring (29) is fixedly connected with the mounting plate (6) through a supporting rod (30), and the other fixed ring (29) is provided with a sliding structure through the supporting rod (30).
6. The intelligent temperature-control thin-wall injection mold of claim 5, wherein the sliding structure comprises a sliding groove (32) formed in the mounting plate (6), a sliding block (31) is arranged in the sliding groove (32), and the sliding block (31) is fixedly connected with a supporting rod (30) under the other fixing ring (29).
7. The intelligent temperature control type thin-wall injection mold of claim 1, wherein the ejection mechanism comprises through holes symmetrically formed in the movable mold (2), ejector rods (14) are slidably arranged in the through holes, one ends of the ejector rods (14) penetrate out of the movable mold (2) to jointly form a push plate (3), a first spring (16) is sleeved outside the ejector rods (14), and an electric push rod (4) is arranged in the middle of the push plate (3).
8. The intelligent temperature-controlled thin-wall injection mold as claimed in claim 7, wherein: the sealing structure comprises an annular groove formed in the inner wall of the through hole, an elastic bag (18) is arranged in the annular groove, and one end of the elastic bag (18) is communicated with the cooling cavity (19) through a through groove (20).
9. The intelligent temperature control thin-wall injection mold of claim 1, wherein the guide mechanism comprises guide posts (5) fixedly arranged on the fixed mold (1) at equal intervals, rubber gaskets (13) are arranged at the ends of the guide posts (5), the guide mechanism further comprises guide sliding grooves (15) which are formed in the movable mold (2) at equal intervals and matched with the guide posts (5), and buffer components matched with the guide posts (5) are arranged inside the guide sliding grooves (15).
10. The intelligent temperature control thin-wall type injection mold according to claim 9, wherein the buffer assembly comprises a moving plate (22) which is arranged inside the guide chute (15) in a sliding manner, the moving plate (22) is connected with the guide chute (15) through a second spring (21), limit clamping blocks (23) are equidistantly arranged on the peripheral side surface of the moving plate (22), and limit clamping grooves (24) matched with the limit clamping blocks (23) are formed in the inner wall of the guide chute (15).
CN202211647491.XA 2022-12-21 2022-12-21 Intelligent temperature control type thin-wall injection mold Pending CN116214841A (en)

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CN202211647491.XA CN116214841A (en) 2022-12-21 2022-12-21 Intelligent temperature control type thin-wall injection mold

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Application Number Priority Date Filing Date Title
CN202211647491.XA CN116214841A (en) 2022-12-21 2022-12-21 Intelligent temperature control type thin-wall injection mold

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CN116214841A true CN116214841A (en) 2023-06-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117962247A (en) * 2024-04-01 2024-05-03 苏州瑞泰精密塑胶有限公司 Injection molding die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117962247A (en) * 2024-04-01 2024-05-03 苏州瑞泰精密塑胶有限公司 Injection molding die
CN117962247B (en) * 2024-04-01 2024-06-07 苏州瑞泰精密塑胶有限公司 Injection molding die

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