CN114516143A - High-effect injection molding machine - Google Patents
High-effect injection molding machine Download PDFInfo
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- CN114516143A CN114516143A CN202210102876.1A CN202210102876A CN114516143A CN 114516143 A CN114516143 A CN 114516143A CN 202210102876 A CN202210102876 A CN 202210102876A CN 114516143 A CN114516143 A CN 114516143A
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- molding machine
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000012856 packing Methods 0.000 claims description 22
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 45
- 229920003023 plastic Polymers 0.000 abstract description 45
- 239000012535 impurity Substances 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
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
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding machines, in particular to a high-efficiency injection molding machine, which comprises an injection molding machine body, wherein the injection molding machine body comprises a first base and a second base; a shell is fixedly connected above the first base; a transmission assembly is arranged in the shell; the air suction device is arranged in the shell, and the mold closing device is arranged above the second base; according to the invention, through the matching of the air suction device and the mold closing device, the air suction device removes water vapor in the transmission pipe, so that the water vapor preheats the discharge hole, and the mold closing device removes surface impurities and water during the mold pressing; on one hand, the possibility of direct cooling and blocking of molten plastic at the discharge port is reduced, on the other hand, the possibility of water vapor entering the mold closing device through the discharge port is reduced, and further, the possibility of generating bubbles inside the injection molding part is reduced.
Description
Technical Field
The invention relates to the technical field of injection molding machines, in particular to a high-efficiency injection molding machine.
Background
The injection molding machine is also called as an injection molding machine, and is main molding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die; the method is mainly classified into three injection molding modes, namely vertical injection molding, horizontal injection molding and full-electric injection molding, wherein plastic particles are heated, pressure is applied to molten plastic, the molten plastic enters a mold cavity and is filled with an internal space, and the injection molding work is completed after the molten plastic is cooled;
the work flow of the injection molding machine is that firstly granular or powdery plastic is added into a shell, the plastic is in a molten state by the rotation of a packing auger and the heating of the outer wall of the shell, then a worker operates a machine to carry out die assembly and the forward movement of an injection seat, a discharge hole is aligned with a feed inlet of a die, then a screw is pushed forward by pressure, a melt is injected into the closed die with lower temperature, the plastic in the molten state is molded under the circulation of long-time pressure and cooling liquid, and the worker opens the die and takes out a product by virtue of an ejector pin; the basic requirements of injection molding are plasticization, injection and molding;
when an injection molding machine is in the injection molding process, water attached to the surface of a material forms water vapor in a heating state, the water vapor also enters the mold under the driving of the auger in the movement towards the mold, and bubbles are formed on the surface or inside of a plastic part in the compression molding process, so that the injection molding quality is influenced;
in view of this, in order to overcome the technical problems, the invention designs a high-performance injection molding machine, which solves the technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is that when an injection molding machine is in an injection molding process, water attached to the surface of a material forms water vapor in a heating state, and the water vapor also enters a mold under the driving of a packing auger in the movement towards the mold, so that bubbles are formed on the surface or inside of a plastic part in a compression molding process, and the injection molding quality is further influenced;
the invention provides a high-efficiency injection molding machine which comprises an injection molding machine body, wherein the injection molding machine body comprises a first base and a second base; a shell is fixedly connected above the first base; a transmission assembly is arranged in the shell; the transmission assembly includes: the conveying pipe, the auger, the first motor, the cylinder, the heating ring, the feeding pipe and the discharge hole; the transmission pipe is fixedly connected inside the shell; the cylinder is fixedly connected to one side, far away from the second base, in the shell; the first motor is fixedly connected to the output end of the air cylinder; the packing auger is fixedly connected to the output end of the first motor and is in sealed sliding connection with the transmission pipe; the feeding pipe is fixedly connected to one side, close to the first motor, of the transmission pipe; the discharge port is arranged on the conveying pipe which is far away from one side of the feed port and corresponds to the position of the packing auger; the heating ring is fixedly connected to the heat transfer pipe; further comprising:
a suction device; the air suction device is arranged in the shell and is used for absorbing water vapor in the transmission assembly;
a mold clamping device; the mold closing device is arranged above the second base; the method is used for processing and forming.
Preferably, the getter assembly comprises:
a heat absorption tube bundle; one end of the heat absorption tube bundle is fixedly connected with the transmission tube and is fixedly connected with the transmission tube;
a second motor; the second motor is fixedly connected to the shell;
a first rotating shaft; the first rotating shaft penetrates through the shell and the heat absorption tube bundle and is fixedly connected to the output end of the second motor;
a fan; the fan is fixedly connected to one end, away from the second motor, of the first rotating shaft;
a ventilation pipe; the ventilation pipe is fixedly connected to one side of the heat absorption pipe bundle, which is far away from the transmission pipe;
a Z-shaped pipe; the Z-shaped pipe is fixedly connected to the conveying pipe and communicated with the discharge hole;
fixing the rod; the fixed rod is fixedly connected to the auger;
a baffle plate; the baffle is fixedly connected to one end, far away from the packing auger, of the fixed rod and is in sliding connection with the inner wall of the transmission pipe.
Preferably, the clamp assembly includes:
a drive member; the driving piece is arranged above the second base; the driving piece comprises a third motor, a threaded rod, an internal threaded pipe and a sliding block;
moving the mold; the movable die is connected to the base in a sliding mode and is connected with the driving piece;
fixing a mold; the fixed die is fixedly connected above the second base;
an air bag; the air bag is fixedly connected to one side of the fixed die, which is close to the movable die;
a through hole; the through hole is arranged at the bottom corner of the air bag and inclines to the surface of the movable mold.
Preferably, a cooling component is arranged on the second base.
Preferably, the cooling assembly comprises:
a water tank; the water tank is fixedly connected to the second base;
a water pump; the water pump is fixedly connected in the water tank;
a water pipe; the water pipe is sleeved at the top of the water pump and penetrates through the movable die once or more.
Preferably, a heat insulation layer is fixedly connected in the shell.
Preferably, the material of the air bag is nitrile rubber.
Preferably, the conveying pipe and the fixed die are made of copper steel.
Preferably, a heating pipe is fixedly connected in the packing auger.
Preferably, a door body is arranged on one side of the water tank.
The invention has the following beneficial effects:
1. according to the high-efficiency injection molding machine, through the matching of the air suction device and the mold closing device, the air suction device removes water vapor in the conveying pipe, so that the water vapor preheats the discharge port, and the mold closing device removes surface impurities and water during mold pressing; on one hand, the possibility of direct cooling and blocking of molten plastic at the discharge port is reduced, on the other hand, the possibility of water vapor entering the mold closing device through the discharge port is reduced, and further, the possibility of generating bubbles inside an injection molding part is reduced.
2. According to the high-efficiency injection molding machine, the temperature inside the movable mold is reduced through the cooling device, the cooling speed of molten plastic in the mold closing device is increased, and the plastic molding efficiency is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a body diagram of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B of fig. 2;
FIG. 5 is a cross-sectional view of another state of the invention;
FIG. 6 is a side view of one embodiment of a drive member;
in the figure: the injection molding machine comprises an injection molding machine body 1, a first base 11, a second base 12, a shell 2, a transmission assembly 3, a transmission pipe 31, a packing auger 32, a first motor 33, a heating ring 34, a feeding pipe 35, a discharging port 36, an air cylinder 37, an air suction device 4, a heat absorption pipe bundle 41, a second motor 42, a rotating shaft 43, a fan 44, an air pipe 45, a Z-shaped pipe 46, a fixed rod 47, a baffle plate 48, a mold closing device 5, a driving part 51, a third motor 511, a threaded rod 512, an internal threaded pipe 513, a sliding block 514, a movable mold 52, a fixed mold 53, an air bag 54, a through hole 55, a cooling assembly 6, a water tank 61, a water pump 62 and a water pipe 63.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The high-efficiency injection molding machine in the prior art has the defects that when the injection molding machine is in the injection molding process, water attached to the surface of a material forms water vapor in a heating state, the water vapor also enters the mold under the driving of the auger 32 in the movement of the mold, and then bubbles are formed on the surface or inside of a plastic part in the compression molding process, so that the injection molding quality is influenced.
In order to solve the above problems, the present embodiment adopts the following main concepts: through the matching of the air suction device 4 and the mold closing device 5, the air suction device 4 removes water vapor in the conveying pipe 31, so that the water vapor preheats the discharge port 36, and the mold closing device 5 removes surface impurities and water during mold pressing; on the one hand, the possibility of direct cooling and blocking of the molten plastic at the outlet opening 36 is reduced, and on the other hand, the possibility of water vapor entering the mold closing device 5 through the outlet opening 36 and further generating bubbles inside the injection molded part is reduced.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The invention provides a high-efficiency injection molding machine, which comprises an injection molding machine body 1, wherein the injection molding machine body 1 comprises a first base 11 and a second base 12; the shell 2 is fixedly connected above the first base 11; a transmission assembly 3 is arranged in the shell 2; the transfer assembly 3 comprises: a transmission pipe 31, an auger 32, a first motor 33, a heating ring 34, a feeding pipe 35, a discharging port 36 and a cylinder 37; the transmission pipe 31 is fixedly connected inside the shell 2; the cylinder 37 is fixedly connected to one side of the shell 2 far away from the second base 12; the first motor 33 is fixedly connected to the output end of the air cylinder 37; the packing auger 32 is fixedly connected with the output end of the first motor 33 and is in sealed sliding connection with the transmission pipe 31; the feeding pipe 35 is fixedly connected to one side of the auger 32 close to the first motor 33; the discharge port 36 is arranged on the conveying pipe 31 which is far away from one side of the feed port and corresponds to the position of the packing auger 32; the heating ring 34 is fixedly connected to the conveying pipe 31; further comprising:
a suction device 4; the air suction device 4 is arranged inside the shell 2 and is used for absorbing water vapor in the transmission assembly 3;
a mold clamping device 5; the mold closing device 5 is arranged above the second base 12 and used for processing and molding;
when the high-performance injection molding machine starts to work, a worker adds plastic particles to the feed pipe 35, then controls the switch on the housing 2, so that the first motor 33 starts to work, the first motor 33 drives the auger 32 in the transmission pipe 31 to rotate, the auger enables the plastic particles to flow to the discharge hole 36 in the transmission pipe 31, at the moment, the heating ring 34 also works under the control of the switch, the temperature in the transmission pipe 31 rises, the plastic particles are melted into liquid materials, driven by the auger 32 to flow to the discharge port 36, the water vapor has low density and then floats above the fluid, the air suction device 4 drives the water vapor to flow out of the transmission pipe 31, at the moment, the air cylinder 37 is started to control the first motor 33 and the auger 32 to move forwards, enabling the molten plastic to flow to the mold closing device 5 through the discharge port 36 and further enter the mold closing device 5, and after cooling for a long time, falling off by virtue of an ejector pin to mold and form;
in the prior art, the long pipeline enables the molten plastic to flow for a long time, so that water vapor is dissipated, and the possibility that the molten plastic solidifies to block the pipeline when the temperature is reduced exists;
according to the invention, through the matching of the air suction device 4 and the mold closing device 5, the air suction device 4 removes water vapor in the conveying pipe 31, so that the water vapor preheats the discharge port 36, and the mold closing device 5 removes surface impurities and water during mold pressing; on the one hand, the possibility of direct cooling and blocking of the molten plastic at the discharge opening 36 is reduced, on the other hand, the possibility of water vapor entering the mold closing device 5 through the discharge opening 36 is reduced, and further, the possibility of air bubbles generated inside the injection molded part is reduced.
As an embodiment of the present invention, the getter module includes:
a heat absorption tube bundle 41; one end of the heat absorption tube bundle 41 is fixedly connected to the transmission tube 31 and is communicated with the transmission tube 31;
a second motor 42; the second motor 42 is fixedly connected to the shell 2;
a rotating shaft 43; the rotating shaft 43 penetrates through the shell 2 and the heat absorption tube bundle 41 and is fixedly connected to the output end of the second motor 42;
a fan 44; the fan 44 is fixedly connected to one end of the rotating shaft 43, which is far away from the second motor 42;
a vent tube 45; the ventilation pipe 45 is fixedly connected to one side of the heat absorption pipe bundle 41 far away from the transmission pipe 31;
z-shaped tubes 46; the Z-shaped pipe 46 is fixedly connected to the conveying pipe 31 and is communicated with the discharge hole 36;
a fixing rod 47; the fixed rod 47 is fixedly connected to the packing auger 32;
a baffle 48; the baffle 48 is fixedly connected to one end of the fixing rod 47, which is far away from the packing auger 32, and is in sliding connection with the inner wall of the transmission pipe 31;
as an embodiment of the present invention, the mold clamping assembly includes:
a driving member 51; the driving piece 51 is arranged above the second base 12; the driving piece 51 comprises a third motor 511, a threaded rod 512, an internal threaded pipe 513 and a sliding block 514;
a movable mold 52; the movable die 52 is connected to the base in a sliding manner and is connected with the driving part 51;
a stationary mold 53; the fixed die 53 is fixedly connected above the second base 12;
an air bag 54; the air bag 54 is fixedly connected to one side of the fixed die 53 close to the movable die 52;
a through hole 55; the through hole 55 is arranged at the bottom corner of the air bag 54 and slants towards the surface of the movable mold 52;
when the high-efficiency injection molding machine needs to work, a worker controls a switch on a base to turn on a first motor 33, the first motor 33 drives an auger 32 in a transmission pipe 31 to start rotating, in the rotating process of the auger 32, the worker places plastic particles into the transmission pipe 31 through a feeding pipe 35, the plastic particles are spirally transmitted through the auger 32 and flow to a discharge port 36, the plastic particles are melted when passing through a heating ring 34 to form molten plastic, water on the surface forms steam in a heating environment and flows upwards through a heat absorption pipe bundle 41, the worker controls a second motor 42 fixedly connected to a shell 2 to work at the moment, the second motor 42 enables a rotating shaft 43 to rotate, the rotating shaft 43 drives a fan 44 to rotate, and then the steam in the transmission pipe 31 is induced to be transmitted into a ventilation pipe 45, so that the possibility that the steam enters a mold closing device 5 through the discharge port 36 is reduced, the possibility of generating bubbles in the injection molding part due to water vapor is reduced, and the working efficiency of the injection molding machine is further improved; the vent pipe 45 is wound around the Z-shaped pipe 46, so that the Z-shaped pipe 46 is kept at a certain temperature, and the possibility of blocking the Z-shaped pipe 46 due to the fact that the cooling speed of the molten plastic is too high is reduced; in the process that the air cylinder 37 pushes the first motor 33 and the auger 32 to move towards the discharge port 36, and in the process that molten plastic is extruded from the discharge port 36, the fixing rod 47 moves forwards along with the auger, the fixing rod 47 drives the baffle plate 48 to further block the heat absorption tube bundle 41, and the baffle plate 48 is an annular baffle plate with good heat conductivity, so that the possibility that the molten plastic enters the heat absorption tube bundle 41 is reduced;
when the plastic in the molten state is about to flow to the Z-shaped pipe 46 through the discharge port 36, the driving member 51 controls the movable mold 52 to move towards the fixed mold 53 to form a cavity in the shape of an injection molding piece, wherein one embodiment of the driving member 51 is as follows: a third motor 511 is fixedly connected to the top of the second base 12; the output end of the third motor 511 is fixedly connected with a threaded rod 512; the third motor 511 drives the threaded rod 512 to perform internal spiral transmission in the internal threaded pipe 513, and the sliding block 514 is fixedly connected to the outer side of the internal threaded pipe 513 and slides in the sliding groove formed in the surface of the second base 12 (another embodiment is that the motor drives the gear to work, and the gear drives the rack to move, so that the movable mold 52 is controlled to move towards the fixed mold 53 and towards the fixed mold 53); the molten plastic flows into a cavity formed by the movable mold 52 and the fixed mold 53 through the Z-shaped pipe 46, and in the process that the movable mold 52 moves towards the fixed mold 53, the movable mold 52 extrudes the air bag 54 on the fixed mold 53, so that air in the air bag 54 blows air to the inner wall of the movable mold 52 and the outer wall surface of the fixed mold 53 through the through hole 55, impurities or residual water vapor generated in the last demolding process are blown away, the possibility that the molding effect is influenced by the impurities or water in the secondary injection molding process is reduced, and the working efficiency is improved.
As a specific embodiment of the present invention, a cooling component 6 is disposed on the second base 12;
as a specific embodiment of the present invention, the cooling assembly 6 includes:
a water tank 61; the water tank 61 is fixedly connected to the second base 12;
a water pump 62; the water pump 62 is fixedly connected in the water tank 61;
a water pipe 63; the water pipe 63 is sleeved on the top of the water pump 62 and penetrates through the movable die 52 once or more;
when the high-efficiency injection molding machine works, water in the tank 61 is pumped by the water pump 62, so that cooling water cools the mold closing device 5 which is subjected to injection molding through the water pipe 63, the water pipe 63 penetrates through the movable mold 52, the heat dissipation effect of the movable mold 52 is improved, the cooling time of an injection molding piece is reduced, and the injection molding efficiency of the injection molding piece is further improved; simultaneously, injection molding surface temperature reduces, has reduced because of the staff takes the injection molding and leads to the possibility of hand scald, and then has ensured staff's life safety.
As a specific embodiment of the present invention, a heat insulating layer is fixedly connected in the casing 2;
the heat transfer pipe 31 in the shell 2 needs to maintain higher heat, so that the possibility of blocking of molten plastic due to temperature reduction is reduced, meanwhile, the water vapor in the heat absorption tube bundle 41 keeps heat, and the possibility of influencing the injection molding process due to water converted from heat reduction of the heat transfer tube bundle is reduced.
As a specific embodiment of the present invention, the Z-shaped pipe 46, the conveying pipe 31 and the fixed mold 53 are made of copper steel;
the Z-shaped pipe 46 needs to transfer heat of water vapor in the water vapor ventilation pipe 45 to the inside for preheating, the transmission pipe 31 needs to transfer heat of the heating ring 34 to the pipe for heating plastic particles, the fixed die 53 needs to cool an injection molded part formed by injection molding, and the Z-shaped pipe 46, the transmission pipe 31 and the fixed die 53 are made of materials with good heat conductivity, so that the Z-shaped pipe 46 and the fixed die 53 can quickly exchange heat through water vapor or cooling water, and the injection molding efficiency of the injection molded part is further improved;
the material with good heat conductivity is a copper steel material, but is not limited to the copper steel material, the copper steel material has good heat conductivity and is corrosion-resistant, and under the heat exchange action of water vapor and cooling water, the copper steel material can accelerate the heat exchange speed, so that the injection molding efficiency of the plastic product is further improved, and the injection molding quality of the plastic product is further improved.
As a specific embodiment of the invention, a heating pipe is fixedly connected in the packing auger 32;
the heating pipe is fixedly connected in the packing auger 32, so that plastic particles attached to the inner wall of the packing auger 32 are further heated and melted, the possibility that the plastic particles cannot reach the central position of the packing auger 32 when the heating ring 34 is heated to block the discharge hole 36 is reduced, meanwhile, the melting speed of the plastic particles is improved, and the efficiency of the injection molding machine is further improved.
As a specific embodiment of the present invention, a door body is disposed on one side of the water tank 61;
one end of the ventilation pipe 45, which is far away from the heat absorption pipe bundle 41, is fixedly connected to the water tank 61, so that water vapor in plastic particles can be reused on one hand, and fine impurities can be conveniently collected on the other hand; after hot vapor enters into water tank 61 through ventilation pipe 45, can make water tank 61 bottom produce the incrustation scale under the long-time work, some tiny impurity also can remain in the water tank 61 bottom simultaneously, and the staff regularly clears up the edulcoration to water tank 61 through articulated or sealed sliding connection's the door body, has further improved the work efficiency of cooling water, has further reduced the cool time of injection molding, and then has improved injection molding's efficiency.
The specific working process is as follows:
when the high-efficiency injection molding machine needs to work, a worker controls a switch on a base to turn on a first motor 33, the first motor 33 drives an auger 32 in a transmission pipe 31 to start rotating, in the rotating process of the auger 32, the worker places plastic particles into the transmission pipe 31 through a feeding pipe 35, the plastic particles are spirally transmitted through the auger 32 and flow to a discharge port 36, the plastic particles are melted when passing through a heating ring 34 to form molten plastic, water on the surface forms steam in a heating environment and flows upwards through a heat absorption pipe bundle 41, the worker controls a second motor 42 fixedly connected to a shell 2 to work at the moment, the second motor 42 enables a rotating shaft 43 to rotate, the rotating shaft 43 drives a fan 44 to rotate, and then the steam in the transmission pipe 31 is induced to be transmitted into a ventilation pipe 45, so that the possibility that the steam enters a mold closing device 5 through the discharge port 36 is reduced, the possibility of generating bubbles in the injection molding part due to water vapor is reduced, and the working efficiency of the injection molding machine is further improved; the ventilation pipe 45 is wound around the Z-shaped pipe 46 so that the Z-shaped pipe 46 is maintained at a certain temperature;
when the molten plastic is about to flow to the Z-shaped pipe 46 through the discharge port 36, the driving member 51 controls the movable mold 52 to move towards the fixed mold 53 to form a cavity in the shape of an injection molding piece, wherein the driving member 51 drives the rotating shaft 43 through a motor, the rotating shaft 43 enables the threaded rod to be in spiral transmission in the internal threaded pipe, and the external side of the internal threaded pipe is fixedly connected with the spline shaft and slides along the inter-flower groove on the second base 12; the molten plastic flows into a cavity formed by the movable mold 52 and the fixed mold 53 through the Z-shaped pipe 46, and in the process that the movable mold 52 moves towards the fixed mold 53, the movable mold 52 extrudes the air bag 54 on the fixed mold 53, so that the air in the air bag 54 blows towards the inner wall of the movable mold 52 and the outer wall surface of the fixed mold 53 through the through hole 55, and further impurities or residual water vapor generated in the last demolding process is blown away.
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 (10)
1. A high-efficiency injection molding machine comprises an injection molding machine body (1), wherein the injection molding machine body (1) comprises a first base (11) and a second base (12); a shell (2) is fixedly connected above the first base (11); a transmission assembly (3) is arranged in the shell (2); the transmission assembly (3) comprises: a conveying pipe (31), a packing auger (32), a first motor (33), a heating ring (34), a feeding pipe (35), a discharging port (36) and a cylinder (37); the transmission pipe (31) is fixedly connected inside the shell (2); the air cylinder (37) is fixedly connected to one side, far away from the second base (12), in the shell (2); the first motor (33) is fixedly connected to the output end of the air cylinder (37); the packing auger (32) is fixedly connected to the output end of the first motor (33) and is in sealed sliding connection with the transmission pipe (31); the feeding pipe (35) is fixedly connected to one side, close to the first motor (33), of the packing auger (32); the discharge port (36) is arranged on the conveying pipe (31) which is far away from one side of the feed port and corresponds to the position of the packing auger (32); the heating ring (34) is fixedly connected to the conveying pipe (31); it is characterized in that; further comprising:
an air suction device (4); the air suction device (4) is arranged in the shell (2) and is used for absorbing water vapor in the transmission assembly (3);
a mold clamping device (5); the mold closing device (5) is arranged above the second base (12) and used for processing and molding.
2. The high performance injection molding machine as claimed in claim 1, wherein: the getter assembly includes:
a heat absorption tube bundle (41); one end of the heat absorption pipe bundle (41) is fixedly connected to the transmission pipe (31) and is fixedly connected with the transmission pipe (31);
a second motor (42); the second motor (42) is fixedly connected to the shell (2);
a rotating shaft (43); the rotating shaft (43) penetrates through the shell (2) and the heat absorbing tube bundle (41) and is fixedly connected to the output end of the second motor (42);
a fan (44); the fan (44) is fixedly connected to one end, far away from the second motor (42), of the rotating shaft (43);
a ventilation duct (45); the ventilation pipe (45) is fixedly connected to one side of the heat absorption pipe bundle (41) far away from the transmission pipe (31);
a Z-shaped pipe (46); the Z-shaped pipe (46) is fixedly connected to the conveying pipe (31) and is communicated with the discharge hole (36);
a fixing lever (47); the fixed rod (47) is fixedly connected to the packing auger (32);
a baffle (48); the baffle (48) is fixedly connected to one end, far away from the packing auger (32), of the fixing rod (47) and is in sliding connection with the inner wall of the conveying pipe (31).
3. The high performance injection molding machine as set forth in claim 1, wherein: the clamping assembly comprises:
a drive member (51); the driving piece (51) is arranged above the second base (12); the driving piece (51) comprises a third motor (511), a threaded rod (512), an internal threaded pipe (513) and a sliding block (514);
a movable mold (52); the movable die (52) is connected to the base in a sliding mode and is connected with the driving piece (51);
a stationary mold (53); the fixed die (53) is fixedly connected above the second base (12);
an air bag (54); the air bag (54) is fixedly connected to one side, close to the movable die (52), of the fixed die (53);
a through hole (55); the through hole (55) is arranged at the bottom corner of the air bag (54) and is inclined to the surface of the movable die (52).
4. The high performance injection molding machine as claimed in claim 1, wherein: and a cooling component (6) is arranged on the second base (12).
5. The high performance injection molding machine as claimed in claim 4, wherein: the cooling assembly (6) comprises:
a water tank (61); the water tank (61) is fixedly connected to the second base (12);
a water pump (62); the water pump (62) is fixedly connected in the water tank (61);
a water pipe (63); the water pipe (63) is sleeved on the top of the water pump (62) and penetrates through the movable die (52) once or more.
6. The high performance injection molding machine as claimed in claim 1, wherein: an insulating layer is fixedly connected in the shell (2).
7. The high performance injection molding machine as claimed in claim 3, wherein: the material of the air bag (54) is nitrile rubber.
8. The high performance injection molding machine as claimed in claim 1, wherein: the conveying pipe (31) and the fixed die (53) are made of copper steel.
9. The high performance injection molding machine as set forth in claim 2, wherein: a heating pipe is fixedly connected in the packing auger (32).
10. The high performance injection molding machine as set forth in claim 5, wherein: and a door body is arranged on one side of the water tank (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210102876.1A CN114516143A (en) | 2022-01-27 | 2022-01-27 | High-effect injection molding machine |
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| CN202210102876.1A CN114516143A (en) | 2022-01-27 | 2022-01-27 | High-effect injection molding machine |
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