CN113561437A - Novel low-temperature heating device for screw of injection molding machine - Google Patents

Novel low-temperature heating device for screw of injection molding machine Download PDF

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Publication number
CN113561437A
CN113561437A CN202110768254.8A CN202110768254A CN113561437A CN 113561437 A CN113561437 A CN 113561437A CN 202110768254 A CN202110768254 A CN 202110768254A CN 113561437 A CN113561437 A CN 113561437A
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CN
China
Prior art keywords
injection molding
molding machine
control valve
water
machine main
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Pending
Application number
CN202110768254.8A
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Chinese (zh)
Inventor
谢宇
尚建华
何园明
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Youlian New Material Technology Shanghai Co ltd
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Youlian New Material Technology Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Youlian New Material Technology Shanghai Co ltd filed Critical Youlian New Material Technology Shanghai Co ltd
Priority to CN202110768254.8A priority Critical patent/CN113561437A/en
Publication of CN113561437A publication Critical patent/CN113561437A/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
    • B29C45/72—Heating or cooling
    • B29C45/74—Heating or cooling of the injection unit
    • 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
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—Temperature
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76655—Location of control
    • B29C2945/76658—Injection unit
    • B29C2945/76665—Injection unit screw
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76655—Location of control
    • B29C2945/76658—Injection unit
    • B29C2945/76668—Injection unit barrel

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a novel low-temperature heating device for a screw of an injection molding machine, which comprises an injection molding machine main body, wherein one side of the injection molding machine main body is provided with an injection molding nozzle mechanism, the injection molding nozzle mechanism comprises a nozzle, a screw, a water circulation cavity, a heat insulation layer, a hopper, a water inlet control valve and a water outlet control valve, the screw is arranged in the nozzle, the water circulation cavity is formed in the screw nozzle, the heat insulation layer is coated on the outer wall of the nozzle, the upper end and the lower end of the nozzle are respectively provided with the water inlet control valve and the water outlet control valve, the water inlet control valve and the water outlet control valve penetrate through the outer wall of the nozzle and extend into the water circulation cavity, and the outer wall of the nozzle is wrapped with a heat protection sleeve mechanism; according to the injection molding machine, the connecting pipe is arranged, so that a user can conveniently connect the water inlet control valve and the water outlet control valve of the adjacent injection molding machine main bodies, so that the injection molding machine main bodies can be supplied with heat by one mold temperature controller, resources are saved, and the cost input is reduced.

Description

Novel low-temperature heating device for screw of injection molding machine
Technical Field
The invention relates to the technical field of heating equipment, in particular to a novel low-temperature heating device for a screw of an injection molding machine.
Background
The heating system of injection molding machine is used for heating feed cylinder and injection nozzle, the feed cylinder of injection molding machine generally adopts the ring heater as heating device, install the outside at the feed cylinder, and carry out the segmentation heating, the heat provides the heat for material plastify through section wall heat conduction, thereby produce the product, this heating method can lead to the feed cylinder after the heating to have the heat to give off to the air, cause the loss of a large amount of energy, the heating method is also unstable, manufacturing cost has both been improved, also accord with green production, in addition, the heat that gives off in the heating process, not utilized, the waste of the energy has also been caused.
In order to avoid the problems, the prior art is improved by adopting a mold temperature controller to perform auxiliary heating from the outside; however, in the mode, each injection molding machine is provided with a mold temperature controller, so that a large amount of cost investment is caused, and therefore the invention provides a novel injection molding machine screw low-temperature heating device to solve the problems in the prior art.
Disclosure of Invention
In view of the above problems, the invention aims to provide a novel injection molding machine screw rod low-temperature heating device, which is convenient for heating an electric heating ring of an injection molding machine, changes the heating into water circulation heating, reduces the heat loss of a charging barrel, improves the stability of a product, adopts a mold temperature controller to share two or more injection molding machines after the injection molding machine is changed into water circulation, reduces the cost investment, achieves the required effect, adds a heat protection sleeve outside the charging barrel, and reduces the heat loss.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a novel injection molding machine screw rod low temperature heating device, includes the injection molding machine main part, one side of injection molding machine main part is equipped with the mouth mechanism of moulding plastics, the mouth mechanism of moulding plastics is including penetrating mouth, screw rod, hydrologic cycle cavity, heat preservation, hopper, water inlet control valve and play water control valve, the inside screw rod that is equipped with of penetrating the mouth, the screw rod penetrates the inside hydrologic cycle cavity of having seted up of mouth, the outer wall of penetrating the mouth scribbles the heat preservation, the upper and lower end of penetrating the mouth is equipped with water inlet control valve and play water control valve respectively, water inlet control valve and play water control valve run through and penetrate the outer wall of mouth to extend inside the hydrologic cycle cavity, the outer wall parcel of penetrating the mouth has heat protective sheath mechanism.
The further improvement lies in that: penetrate the outer wall parcel of mouth and have heat protective sheath mechanism, heat protective sheath mechanism is including separating the cotton, preformed hole of temperature, supporting touch panel, clamp plate, dead lever and nut, the preformed hole has all been seted up respectively at the cotton upper and lower both ends that separate the temperature, it has the conflict board to separate the cotton lower extreme of temperature to contradict, it is fixed with the clamp plate to separate cotton upper end parcel joint department of temperature, and the clamp plate passes through the dead lever cooperation nut to be fixed, it is the arc design to support the cross section of touch panel and clamp plate, and the radian of conflict board and clamp plate coincide each other with the outer wall radian of penetrating the mouth.
The further improvement lies in that: the injection molding machine is characterized in that a control panel is arranged at the upper end of the injection molding machine main body, a temperature sensor is arranged on one side of the injection molding machine main body, and one end of the temperature sensor is placed in the water circulation cavity.
The further improvement lies in that: the water inlet control valve and the water outlet control valve of the adjacent injection molding machine main body are sleeved through a connecting pipe, the connecting pipe is in a U-shaped structure, and the sleeving positions of the water inlet control valve and the water outlet control valve and the connecting pipe are wound with raw rubber belts.
The further improvement lies in that: the outer wall threaded connection of the top injection molding machine main part in many has first spacing ring, and the intra-annular of first spacing ring runs through there is the inlet tube, the one end of inlet tube is connected with into water control valve, and the other end of inlet tube is connected with the mould temperature machine, the other end of mould temperature machine is connected with the outlet pipe, the second spacing ring has been cup jointed in the outside of outlet pipe, and second spacing ring threaded connection is at the outer wall of bottom injection molding machine main part, the outlet pipe is connected with out water control valve.
The invention has the beneficial effects that: the invention has the advantages that the hot circulation effect is achieved on the injection nozzle and the hopper after hot water is injected into the water circulation cavity at the later stage, the arrangement of the water inlet control valve and the water outlet control valve is convenient for a user to connect a plurality of injection molding machine main bodies through connecting pipes and then connect the injection molding machine main bodies into the mold temperature controller so as to form water path circulation, thereby reducing the heat loss of the charging barrel, the internal temperature of the injection nozzle is further protected by arranging the heat insulation cotton, the heat loss is further reduced, the user is convenient to observe the water temperature circulated to the water circulation cavity by the mold temperature controller after heating through arranging the temperature sensor so as to accurately regulate and control the heating temperature of the mold temperature controller, the arrangement of the connecting pipes is convenient for the user to connect the water inlet control valve and the water outlet control valve of the adjacent injection molding machine main bodies so that the injection molding machine main bodies can be supplied with heat by one mold temperature controller, the device has the advantages that resources are saved, the cost is reduced, meanwhile, the occupied space of the device is reduced, the first limiting ring and the second limiting ring are arranged, the effect of fixing and limiting the pipe body of the longer water inlet pipe and the water outlet pipe is achieved, the disorder winding of the water inlet pipe and the pipe body of the water outlet pipe is avoided, the occupied area of the device is reduced, and the device is enabled to be neatly wired and convenient for five S management.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the parts of the injection nozzle mechanism of the present invention;
fig. 3 is a schematic view of the structure of the heat protection cover mechanism of the present invention.
Wherein: 1. an injection molding machine main body; 2. an injection nozzle mechanism; 201. shooting mouth; 202. a screw; 203. a water circulation cavity; 204. a heat-insulating layer; 205. a hopper; 206. a water inlet control valve; 207. a water outlet control valve; 3. a heat protection sleeve mechanism; 301. heat insulation cotton; 302. reserving a hole; 303. a touch plate; 304. pressing a plate; 305. fixing the rod; 306. a nut; 4. a control panel; 5. a temperature sensor; 6. a connecting pipe; 7. a green tape; 8. a first limit ring; 9. a water inlet pipe; 10. a mold temperature controller; 11. a water outlet pipe; 12. and a second limit ring.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1-3, the embodiment provides a novel injection molding machine screw low-temperature heating device, which comprises an injection molding machine main body 1, wherein an injection molding nozzle mechanism 2 is arranged on one side of the injection molding machine main body 1, the injection molding nozzle mechanism 2 comprises a nozzle 201, a screw 202, a water circulation cavity 203, a heat insulation layer 204, a hopper 205, a water inlet control valve 206 and a water outlet control valve 207, the screw 202 is arranged inside the nozzle 201, the water circulation cavity 203 is arranged inside the screw 202, the heat insulation layer 204 is coated on the outer wall of the nozzle 201, the upper end and the lower end of the nozzle 201 are respectively provided with the water inlet control valve 206 and the water outlet control valve 207, the water inlet control valve 206 and the water outlet control valve 207 penetrate through the outer wall of the nozzle 201 and extend into the water circulation cavity 203, the outer wall of the nozzle 201 is wrapped with a heat protection sleeve mechanism 3, and the heat circulation effect is achieved on the nozzle 201 and the hopper 205 after hot water is injected into the water circulation cavity 203 at the later stage, the arrangement of the water inlet control valve 206 and the water outlet control valve 207 facilitates the user to connect a plurality of injection molding machine main bodies 1 by matching with the connecting pipe 6 and then to connect the injection molding machine main bodies 1 into the mold temperature controller 10 so as to form a water circuit circulation, thereby reducing the heat loss of the charging barrel.
Penetrate the outer wall parcel of mouth 201 and have heat protective sheath mechanism 3, heat protective sheath mechanism 3 is including separating cotton 301, preformed hole 302, conflict board 303, clamp plate 304, dead lever 305 and nut 306 of temperature, separate the upper and lower both ends of cotton 301 of temperature and all seted up preformed hole 302 respectively, the lower extreme that separates cotton 301 of temperature is contradicted and is had conflict board 303, it is fixed with clamp plate 304 to separate cotton 301 upper end parcel of temperature joint department, and clamp plate 304 and pass through dead lever 305 cooperation nut 306 fixed, it is the arc design to support the cross section of contact plate 303 and clamp plate 304, and the radian of conflict board 303 and clamp plate 304 coincide each other with the outer wall radian of penetrating mouth 201, has also played heat retaining effect to being wrapped up hopper 205 simultaneously through setting up the inside temperature that separates cotton 301 of temperature and has further protected penetrating mouth 201, has further reduced heat loss.
The upper end of injection molding machine main part 1 is equipped with control panel 4, one side of injection molding machine main part 1 is equipped with temperature sensor 5, and inside temperature sensor 5's one end was placed in hydrologic cycle cavity 203, thereby circulated to the inside temperature of hydrologic cycle cavity 203 and go on the heating temperature of accurate regulation and control mould temperature machine 10 to the heating back through setting up temperature sensor 5 user's observation mould temperature machine 10.
The water inlet control valves 206 and the water outlet control valves 207 of the adjacent injection molding machine main bodies 1 are sleeved through the connecting pipes 6, the connecting pipes 6 are arranged in a U-shaped structure, the sleeving positions of the water inlet control valves 206 and the water outlet control valves 207 and the connecting pipes 6 are wound with the raw rubber belts 7, and a user can conveniently connect the water inlet control valves 206 and the water outlet control valves 207 of the adjacent injection molding machine main bodies 1 through the connecting pipes 6, so that the injection molding machine main bodies 1 can be heated by one mold temperature controller 10, resources are saved, cost investment is reduced, and the occupied space of equipment is also reduced.
The outer wall of the uppermost injection molding machine main body 1 of the plurality of injection molding machines is in threaded connection with a first limiting ring 8, a water inlet pipe 9 penetrates through the ring of the first limiting ring 8, one end of the water inlet pipe 9 is connected with a water inlet control valve 206, the other end of the water inlet pipe 9 is connected with a mold temperature controller 10, the other end of the mold temperature controller 10 is connected with a water outlet pipe 11, the outer side of the water outlet pipe 11 is sleeved with a second limiting ring 12, the second limiting ring 12 is in threaded connection with the outer wall of the lowermost injection molding machine main body 1, the water outlet pipe 11 is connected with a water outlet control valve 207, the water inlet pipe 9 is connected with the water inlet control valve 206 through the mold temperature controller 10 and is matched with the water outlet pipe 11 to be connected with the water outlet valve 207 to form waterway circulation, the effect of fixed limiting is achieved on the pipe bodies of the longer water inlet pipe 9 and the longer water outlet pipe 11 through the arrangement of the first limiting ring 8 and the second limiting ring 12, and the disordered winding of the longer water inlet pipe bodies is avoided, the occupied area of the equipment is reduced, and the wiring of the device is neat and convenient for five-S management.
Before the device is used, taking the assembly of three injection molding machine main bodies 1 as an example, firstly, a first limiting ring 8 and a second limiting ring 12 are respectively screwed into the outer walls of the uppermost injection molding machine main body 1 and the lowermost injection molding machine main body 1 clockwise, then a connecting pipe 6 is sleeved between a water inlet control valve 206 and a water outlet control valve 207 of the adjacent injection molding machine main body 1, then a raw adhesive tape 7 is taken out and wound at a connection position with a pipeline, a water inlet pipe 9 of a mold temperature machine 10 is connected with the water inlet control valve 206 of the uppermost injection molding machine main body 1 along the trend, then a water outlet pipe 11 is connected with the water outlet control valve 207 of the lowermost injection molding machine main body 1, and then the raw adhesive tape 7 is wrapped at the connection position, and at the moment, a water circulation cavity 203 of the three injection molding machine main bodies 1 forms a water circulation passage with the water inlet pipe 9, the mold temperature machine 10 and the water outlet pipe 11;
when the device is used, an external power supply is switched on to turn on a switch of the mold temperature controller 10, the mold temperature controller 10 starts to heat water in a water circulation passage, the heated water is injected into the water inlet control valve 206 through the water circulation cavity 203 through the water inlet pipe 9 to heat the outer wall of the hopper 205 in a water bath manner, meanwhile, the internal temperature of the nozzle 201 is also improved to facilitate injection molding, then the hot water is discharged through the water outlet control valve 207 and then enters other injection molding machine main bodies 1, finally, the hot water flows back to the mold temperature controller 10 through the water outlet pipe 11 to form heat circulation, at the moment, the heat supply of one mold temperature controller 10 to a plurality of injection molding machine main bodies 1 can be realized, resources are saved, the energy consumption is reduced, the temperature sensor 5 arranged in the water circulation cavity 203 can be observed through the display screen of the control panel 4 during the operation process of the device, so that the temperature of the hot water in the water circulation cavity 203 can be known, and the heating temperature of the mold temperature controller 10 can be adjusted, avoid the heat loss that transmission distance overlength leads to, reduced the heat loss of penetrating mouth 201 outer wall through heat preservation 204 among the hydrologic cycle process, the cooperation is used and is separated the cotton 301 of temperature and further played heat retaining effect to the outer wall of hopper 205 with penetrate mouth 201 outer wall, has further reduced heat loss, and the use of just so this novel injection molding machine screw rod low temperature heating device has just been accomplished.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a novel injection molding machine screw rod low temperature heating device, includes injection molding machine main part (1), its characterized in that: one side of injection molding machine main part (1) is equipped with the mouth mechanism (2) of moulding plastics, mouth mechanism (2) of moulding plastics is including penetrating mouth (201), screw rod (202), hydrologic cycle cavity (203), heat preservation (204), hopper (205), water control valve (206) and play water control valve (207), the inside of penetrating mouth (201) is equipped with screw rod (202), water cycle cavity (203) have been seted up to screw rod (202) penetrating mouth (201) inside, the outer wall of penetrating mouth (201) scribbles heat preservation (204), the upper and lower end of penetrating mouth (201) is equipped with respectively and advances water control valve (206) and play water control valve (207), advance water control valve (206) and play water control valve (207) run through with the outer wall of penetrating mouth (201) to extend inside hydrologic cycle cavity (203), the outer wall parcel of penetrating mouth (201) has heat protection mechanism (3).
2. The novel low-temperature heating device for the screw of the injection molding machine, according to claim 1, is characterized in that: penetrate the outer wall parcel of mouth (201) and have heat protective sheath mechanism (3), heat protective sheath mechanism (3) are including separating temperature cotton (301), preformed hole (302), conflict board (303), clamp plate (304), dead lever (305) and nut (306), separate the upper and lower both ends of temperature cotton (301) and all seted up preformed hole (302) respectively, the lower extreme conflict that separates temperature cotton (301) has conflict board (303), it is fixed with clamp plate (304) to separate temperature cotton (301) upper end parcel joint department, and clamp plate (304) are fixed through dead lever (305) cooperation nut (306), it is the arc design with the cross section of clamp plate (304) to support board (303), and conflict board (303) and the radian of clamp plate (304) coincide with the outer wall radian each other that penetrates mouth (201).
3. The novel low-temperature heating device for the screw of the injection molding machine, according to claim 1, is characterized in that: the injection molding machine is characterized in that a control panel (4) is arranged at the upper end of the injection molding machine main body (1), a temperature sensor (5) is arranged on one side of the injection molding machine main body (1), and one end of the temperature sensor (5) is placed in the water circulation cavity (203).
4. The novel low-temperature heating device for the screw of the injection molding machine, according to claim 1, is characterized in that: the water inlet control valve (206) and the water outlet control valve (207) of the adjacent injection molding machine main body (1) are sleeved through a connecting pipe (6), the connecting pipe (6) is arranged in a U-shaped structure, and the sleeving positions of the water inlet control valve (206) and the water outlet control valve (207) and the connecting pipe (6) are wound with raw rubber belts (7).
5. The novel low-temperature heating device for the screw of the injection molding machine, according to claim 1, is characterized in that: the outer wall threaded connection of the top injection molding machine main part (1) in many has first spacing ring (8), and the intra-annular of first spacing ring (8) runs through inlet tube (9), the one end of inlet tube (9) is connected with into water control valve (206), and the other end of inlet tube (9) is connected with mould temperature machine (10), the other end of mould temperature machine (10) is connected with outlet pipe (11), second spacing ring (12) have been cup jointed in the outside of outlet pipe (11), and second spacing ring (12) threaded connection is at the outer wall of bottom injection molding machine main part (1), outlet pipe (11) are connected with out water control valve (207).
CN202110768254.8A 2021-07-07 2021-07-07 Novel low-temperature heating device for screw of injection molding machine Pending CN113561437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110768254.8A CN113561437A (en) 2021-07-07 2021-07-07 Novel low-temperature heating device for screw of injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110768254.8A CN113561437A (en) 2021-07-07 2021-07-07 Novel low-temperature heating device for screw of injection molding machine

Publications (1)

Publication Number Publication Date
CN113561437A true CN113561437A (en) 2021-10-29

Family

ID=78163973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110768254.8A Pending CN113561437A (en) 2021-07-07 2021-07-07 Novel low-temperature heating device for screw of injection molding machine

Country Status (1)

Country Link
CN (1) CN113561437A (en)

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