CN119458829B - Injection molding machine is used in plastic goods processing - Google Patents
Injection molding machine is used in plastic goods processingInfo
- Publication number
- CN119458829B CN119458829B CN202411855894.2A CN202411855894A CN119458829B CN 119458829 B CN119458829 B CN 119458829B CN 202411855894 A CN202411855894 A CN 202411855894A CN 119458829 B CN119458829 B CN 119458829B
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- Prior art keywords
- wall
- heat exchange
- friction wheel
- injection molding
- exchange cavity
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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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
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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
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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
- B29C2045/7292—Recovering waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本发明涉及注塑设备技术领域，公开了一种塑胶制品加工用注塑机，包括工作台，所述工作台顶部固定安装有输送装置、与合模装置，所述输送装置顶部固定安装有上料筒；还包括设置在输送装置外壁的换热腔，且所述输送装置能对换热腔中的空气加热；还包括将换热腔内热空气吸出并回收再利用的吸气组件；还包括调节吸气组件吸取热空气速率的调节组件。本发明通过对输送装置的热回收速率进行调节，即可对不同类型的模具做适应性调节，既能保证热回收效果的最大化，同时也能保证模具内成型件的完整性和良品率。
The present invention relates to the technical field of injection molding equipment, and discloses an injection molding machine for processing plastic products, comprising a workbench, a conveying device and a mold clamping device fixedly mounted on the top of the workbench, a loading barrel fixedly mounted on the top of the conveying device; a heat exchange chamber arranged on the outer wall of the conveying device, and the conveying device capable of heating the air in the heat exchange chamber; an air suction component for sucking out the hot air in the heat exchange chamber and recycling it for reuse; and an adjusting component for adjusting the rate at which the air suction component absorbs the hot air. The present invention can make adaptive adjustments to different types of molds by adjusting the heat recovery rate of the conveying device, thereby ensuring both the maximization of the heat recovery effect and the integrity and yield rate of the molded parts in the mold.
Description
Technical Field
The invention relates to the technical field of injection molding equipment, in particular to an injection molding machine for processing plastic products.
Background
Injection molding machines are similar in principle to injectors in that molten plastic is injected into a mold by the thrust of a screw or plunger, cooled and solidified to form an article. Injection molding machines generally include a charging system, a plasticizing system, and a control system. These systems work cooperatively to ensure efficient production and quality control of the plastic articles.
For example, chinese patent publication No. CN113172824B, this application relates to the field of injection molding equipment, and in particular to an energy-saving injection molding system and an injection molding process, which comprises a mold clamping device, a hydraulic transmission device and a feeding barrel, wherein the feeding barrel comprises a hopper and an injection rod, a sleeve is sleeved around the periphery of the injection rod, a wind supply assembly is fixedly connected to the sleeve, and a driving mechanism is arranged between the wind supply assembly and the mold clamping device.
However, when there is a thin-wall area in the injection mold, the injection space is smaller and is affected by the viscosity of the material flow, so that the flow resistance of the material flow is too large, and the melt cannot continue to flow, so that the structure of the injection molded product is structurally deficient, at present, the defect is solved by increasing the flow rate of the melt, in this case, if the original heat recovery rate is maintained by the injection molding machine, the initial temperature of the melt during extrusion may be reduced, so that the melt cools in advance when the thin-wall area of the mold is not completely covered, and the problem of under-injection is caused.
Disclosure of Invention
The invention aims to provide an injection molding machine for processing plastic products, which aims to solve at least one technical problem in the prior art.
In order to achieve the aim, the invention provides the technical scheme that the injection molding machine for plastic product processing comprises a workbench, wherein a conveying device and a mold clamping device are fixedly arranged at the top of the workbench, and a feeding cylinder is fixedly arranged at the top of the conveying device;
The conveying device is arranged on the outer wall of the conveying device, and the conveying device can heat air in the heat exchange cavity;
the air suction assembly is used for sucking out and recycling hot air in the heat exchange cavity;
also included is a regulating assembly that regulates the rate at which the suction assembly draws hot air.
Preferably, the air suction assembly comprises a mounting shell fixedly mounted at the top of the heat exchange cavity, a piston body is fixedly mounted at the top of the heat exchange cavity, a piston plate is slidably mounted in the piston body, a rotatable third friction wheel is mounted at the top of the heat exchange cavity, a first connecting rod is rotatably mounted at the top of the third friction wheel, a piston rod is rotatably mounted at the top of the first connecting rod through a pin shaft, the pin shaft can be slidably adjusted up and down in a shaft hole of the piston rod, and one end of the piston rod penetrates through the outer wall of the piston body to be fixedly connected with the piston plate and slidably connected with a penetrating part of the piston body;
The piston body is communicated with the inside of the heat exchange cavity through the air suction pipeline, the air suction pipeline can only suck air from the inside of the heat exchange cavity, the piston body is communicated with external recycling equipment through the air outlet pipeline, and the air outlet pipeline can only exhaust air from the inside of the piston body.
Preferably, the adjusting component comprises a mounting plate fixedly mounted at the top of the heat exchange cavity, a first friction wheel is rotatably mounted on the outer wall of the mounting plate, a third friction wheel is rotatably mounted at the top of the heat exchange cavity through a second telescopic rod, the first friction wheel and the third friction wheel are always in friction contact, a shaft seat is fixedly mounted at the top of the heat exchange cavity, a rotating ring is rotatably mounted on the outer wall of the shaft seat in a penetrating manner, a first telescopic rod is sleeved in the rotating ring in a sliding manner through a flat key, one end of the first telescopic rod is rotatably mounted on the outer wall of the feeding cylinder, a second friction wheel is fixedly mounted at the other end of the first telescopic rod, a spring is connected between the second friction wheel and the rotating ring, and the second friction wheel and the first friction wheel are always in friction contact;
The first telescopic rod is driven by a motor fixed at the top of the heat exchange cavity.
Preferably, the inner wall of the feeding cylinder is rotatably provided with a plurality of blanking plates, the blanking plates are arranged in a cross manner, and the outer wall of each blanking plate is provided with air holes in a penetrating manner;
The air outlet of the air outlet pipeline is communicated with the feeding cylinder.
Preferably, the inner wall of the feeding cylinder is slidably provided with a lifting rod, the outer wall of the blanking plate is provided with a sliding groove, and the outer wall of the lifting rod is fixedly connected with a protrusion capable of sliding in the sliding groove;
The lifting assembly can enable the lifting rod to move up and down.
Preferably, the lifting assembly comprises a lifting plate fixedly connected to the outer wall of the lifting rod, the lifting plate can be adjusted in a vertical sliding mode in a notch of the outer wall of the upper charging barrel, a sliding ring is rotatably installed on the outer wall of the telescopic part of the first telescopic rod, and a second connecting rod is rotatably connected between the sliding ring and the lifting plate.
Preferably, the lifting assembly comprises an electric sliding block fixedly connected to the outer wall of the lifting rod, the electric sliding block can be adjusted in a vertical sliding mode in a notch of the outer wall of the upper charging barrel, a pressure sensor used for detecting the pressure applied to the rotating ring is fixedly installed in the shaft seat, and the electric sliding block is electrically connected with the pressure sensor.
Preferably, the mounting plate is far away from the outer wall of one side of the first friction wheel and is rotatably provided with a handle, the handle is coaxially connected with the first friction wheel, the outer wall of the handle penetrates through the limiting plug in a sliding manner, and the outer wall of the mounting shell is provided with two locking holes for enabling the limiting plug to be inserted.
Preferably, a first gear is fixedly arranged on one side, close to the outer wall of the feeding cylinder, of the first telescopic rod, a second gear is rotatably arranged on the outer wall of the feeding cylinder, the second gear is meshed with the first gear, a stirring plate is rotatably arranged on the inner wall of the feeding cylinder, and the stirring plate and the second gear are coaxially arranged.
Preferably, an exhaust passage is formed in the top of the feeding cylinder.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the heat exchange cavity is arranged on the outer wall of the conveying device, heat emitted in the conveying device can be stored, then the hot air in the heat exchange cavity is sucked out through the air suction component, when the mould with a thin-wall area needs to be subjected to injection molding, the speed of sucking the hot air by the air suction component is reduced through the adjusting component, so that the initial temperature of melt is high enough when the melt is extruded, the mould is ensured to be fully filled, the defects of the surface and the inside of a product can be avoided, the appearance and the mechanical performance of the product are improved, the shutdown and the adjustment time caused by the underinjection problem are reduced, and the overall production efficiency is improved.
2. According to the invention, the driving part drives the third friction wheel to rotate, so that the first connecting rod is driven to rotate, and the piston rod drives the piston plate to reciprocate, hot air in the heat exchange cavity is pumped out through the air suction pipeline and is input into the recycling equipment through the air outlet pipeline in the reciprocating motion process of the piston plate, so that the requirement on external energy sources can be reduced through recycling and reusing heat, the energy consumption and the production cost can be reduced, the energy consumption and the waste heat emission can be reduced, and the reduction of carbon emission and environmental pollution is facilitated.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a partially schematic illustration of the present invention with the mounting housing removed;
FIG. 5 is a schematic diagram of a second embodiment of the present invention;
FIG. 6 is a schematic illustration of the present invention schematic cross-sectional view of a piston body;
FIG. 7 is a schematic cross-sectional view of a loading cartridge of the present invention;
FIG. 8 is a schematic perspective view of a cross-section of an upper cartridge of the present invention;
fig. 9 is an exploded view of the blanking plate and lifter in the present invention.
The device comprises a workbench, a2 conveying device, a3, a heat exchange cavity, a4, a mould closing device, a 5, a mounting shell, a 6, a loading cylinder, a 7, a piston body, a 8, a piston plate, a 9, a piston rod, a 10, a first connecting rod, a 11, a third friction wheel, a 12, an air outlet pipeline, a 13, a pin roll, a 14, a mounting plate, a 15, a first friction wheel, a 16, a second friction wheel, a 17, a spring, a 18, a shaft seat, a 19, a blanking plate, a 20, an air hole, a 21, a lifting rod, a 22, a chute, a 23, a bulge, a 24, a handle, a 25, a limiting plug, a 26, a sliding ring, a 27, a second connecting rod, a 28, a lifting plate, a 29, an electric sliding block, a 30, a rotating ring, a 31, a first telescopic rod, a 32, a second telescopic rod, a 33, a stirring plate, a 34, a first gear, a 35, a second gear, a 36, an air outlet channel and a 37.
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 to 9, the invention provides a technical scheme that an injection molding machine for plastic product processing comprises a workbench 1, wherein a conveying device 2 and a mold clamping device 4 are fixedly arranged at the top of the workbench 1, and a feeding cylinder 6 is fixedly arranged at the top of the conveying device 2;
The device also comprises a heat exchange cavity 3 arranged on the outer wall of the conveying device 2, and the conveying device 2 can heat the air in the heat exchange cavity 3;
the air suction assembly is used for sucking out and recycling the hot air in the heat exchange cavity 3;
also included is a regulating assembly that regulates the rate at which the suction assembly draws hot air.
Referring to fig. 1 and 2, before the molded article is required to be molded, the conveyor 2 is started, plastic particles are simultaneously thrown into the conveyor 2 through the feeding cylinder 6, the plastic particles are heated by the conveyor 2 so as to be in a molten state, and the molten plastic particles are conveyed into the mold clamping device 4 for molding. In this process, a large part of the heat in the conveying device 2 is directly dissipated into the air, resulting in waste of energy of the injection molding machine. So at the outer wall installation heat transfer chamber 3 of conveyor 2, can store the heat that gives off in the conveyor 2, operating personnel can also paint heat preservation thick liquids at heat transfer chamber 3 outer wall, become the heat preservation after heat preservation thick liquids drying solidifies, and the heat preservation can further separate the giving off of conveyor 2 peripheral heat. After the heat is stored, the hot air in the heat exchange cavity 3 is sucked out through the air suction assembly and recycled.
When the thin-wall area exists in the injection mold, the injection mold can be aimed by increasing the flow rate of the melt, and in this state, if the original heat recovery rate is maintained, the initial temperature of the melt during extrusion is possibly reduced, so that the melt is cooled in advance when the thin-wall area of the mold is not completely covered, and the problem of underinjection is caused.
Therefore, when the mould with the thin-wall area needs to be subjected to injection molding, the speed of sucking hot air by the air sucking component is reduced through the adjusting component, so that the initial temperature of melt is high enough when the melt is extruded, the mould is ensured to be fully filled, the defects of the surface and the inside of a product can be avoided, the appearance and the mechanical performance of the product are improved, the shutdown and the adjustment time caused by the underinjection problem are reduced, and the overall production efficiency is improved.
Therefore, the heat recovery rate of the conveying device 2 is adjusted, so that the adaptability adjustment can be carried out on different types of dies, the maximization of the heat recovery effect can be ensured, and meanwhile, the integrity and the yield of formed parts in the dies can be ensured.
Further, the air suction assembly comprises a mounting shell 5 fixedly mounted at the top of the heat exchange cavity 3, a piston body 7 is fixedly mounted at the top of the heat exchange cavity 3, a piston plate 8 is slidably mounted in the piston body 7, a rotatable third friction wheel 11 is mounted at the top of the heat exchange cavity 3, a first connecting rod 10 is rotatably mounted at the top of the third friction wheel 11, a piston rod 9 is rotatably mounted at the top of the first connecting rod 10 through a pin shaft 13, the pin shaft 13 can be slidably adjusted up and down in a shaft hole of the piston rod 9, one end of the piston rod 9 penetrates through the outer wall of the piston body 7, is fixedly connected with the piston plate 8 and is slidably connected with a penetrating part of the piston body 7;
The piston body 7 is communicated with the inside of the heat exchange cavity 3 through the air suction pipeline 37, the air suction pipeline 37 can only suck air from the inside of the heat exchange cavity 3, the piston body 7 is communicated with external recycling equipment through the air outlet pipeline 12, and the air outlet pipeline 12 can only exhaust air from the inside of the piston body 7.
Referring to fig. 4 and 6, when the injection molding machine works, the third friction wheel 11 is driven to rotate by the driving part, so that the first connecting rod 10 is driven to rotate, and then the piston rod 9 drives the piston plate 8 to reciprocate, hot air in the heat exchange cavity 3 is pumped out through the air suction pipeline 37 and is input into the recycling device through the air outlet pipeline 12 in the reciprocating motion process of the piston plate 8, so that the requirement on external energy sources can be reduced by recycling and reusing heat, the energy source consumption and the production cost can be reduced, the energy source consumption and the waste heat emission can be reduced, and the reduction of carbon emission and environmental pollution can be facilitated.
Further, the adjusting component comprises an installing plate 14 fixedly installed at the top of the heat exchange cavity 3, a first friction wheel 15 is rotatably installed on the outer wall of the installing plate 14, a third friction wheel 11 is rotatably installed at the top of the heat exchange cavity 3 through a second telescopic rod 32, the first friction wheel 15 and the third friction wheel 11 are always in friction contact, a shaft seat 18 is fixedly installed at the top of the heat exchange cavity 3, a rotating ring 30 is rotatably installed on the outer wall of the shaft seat 18 in a penetrating manner, a first telescopic rod 31 is sleeved in the rotating ring 30 in a sliding manner through a flat key, one end of the first telescopic rod 31 is rotatably installed on the outer wall of the feeding cylinder 6, a second friction wheel 16 is fixedly installed at the other end of the first telescopic rod 31, a spring 17 is connected between the second friction wheel 16 and the rotating ring 30, and the second friction wheel 16 and the first friction wheel 15 are always in friction contact;
the first telescopic rod 31 is driven by a motor fixed at the top of the heat exchange chamber 3.
Referring to fig. 5, the motor at the top of the heat exchange cavity 3 drives the first telescopic rod 31 to rotate through the cooperation of the belt pulley and the belt, so that the first telescopic rod 31 drives the rotating ring 30 and the second friction wheel 16 to rotate, and the second friction wheel 16 always maintains friction contact with the first friction wheel 15, so that the first friction wheel 15 is driven to rotate in the process of rotating the second friction wheel 16, and the third friction wheel 11 is driven to rotate.
When the mold with the thin-wall area needs to be injection molded, the first friction wheel 15 is adjusted to rotate clockwise, so that the contact point of the second friction wheel 16 and the first friction wheel 15 is changed, the angular speed of the contact point of the second friction wheel 16 is gradually reduced, namely the rotation speed of the third friction wheel 11 is reduced, the reciprocating speed of the piston plate 8 is reduced, and the hot air sucking speed of the heat exchange cavity 3 is reduced. By reducing the speed at which the piston plate 8 reciprocates, the rate at which hot air is drawn is reduced to ensure that the melt has a sufficiently high initial temperature at the time of extrusion, the higher initial temperature can reduce the viscosity of the melt, making it easier to flow, thereby better filling the various parts of the mold, particularly the thin-walled areas, reducing the under-injection problem and ensuring the integrity and quality of the product.
Further, a plurality of blanking plates 19 are rotatably arranged on the inner wall of the feeding cylinder 6, the blanking plates 19 are arranged in a cross manner, and air holes 20 are formed in the outer wall of each blanking plate 19 in a penetrating manner;
the air outlet of the air outlet pipeline 12 is communicated with the interior of the feeding cylinder 6.
The plastic granules can absorb the moisture in the air in storing and transportation, and at the in-process of moulding plastics, moisture can become steam, forms bubble and silver line, influences outward appearance and quality of product, and moisture can also lead to plastics melt mobility inhomogeneous, influences the dimensional accuracy of injection molding, can't satisfy the design requirement to moisture can lead to inside corruption and the wearing and tearing of equipment, shortens the life of injection molding machine and mould. Thus, it is particularly important to dry the plastic granules.
Referring to fig. 8, a plurality of blanking plates 19 are alternately arranged in the vertical direction in the upper cylinder 6, the plate surfaces of the blanking plates 19 are gradually inclined along the position close to the center of the upper cylinder 6, and when plastic particles enter the upper cylinder 6, the plastic particles roll downwards along the blanking plates 19. The air outlet pipeline 12 is communicated with the interior of the feeding barrel 6, hot air in the heat exchange cavity 3 is introduced into the interior of the feeding barrel 6, and the plastic particles are continuously blown to the plastic particles through the air holes 20 on the blanking plate 19 in the process of downwards rolling of the plastic particles, so that the drying of the plastic particles is realized, the plastic particles can be preheated in the process, the dried plastic particles can be more uniformly melted and flowed, the internal stress is reduced, the mechanical strength and durability of an injection molding part are improved, surface defects such as bubbles and pits can be reduced, the appearance quality of products is improved, the preheating can ensure that the temperature of the plastic particles is more uniform when the plastic particles enter the heating barrel, the fluctuation in the processing process is reduced, and the stability and consistency of the injection molding process are ensured.
Further, a lifting rod 21 is slidably arranged on the inner wall of the feeding cylinder 6, sliding grooves 22 are formed in the outer wall of the blanking plate 19, and protrusions 23 capable of sliding in the sliding grooves 22 are fixedly connected to the outer wall of the lifting rod 21;
and a lifting assembly capable of moving the lifting rod 21 up and down.
When it is necessary to perform injection molding of a mold having a thin wall region, since it is necessary to adjust the rate of sucking hot air, the hot air fed back into the upper cylinder 6 is reduced, which may result in that part of the plastic particles cannot be completely dried.
Referring to fig. 7 and 9, when the mold with the thin-wall area is injection molded, the lifting rod 21 is adjusted to move upwards through the lifting assembly, so that the blanking plate 19 is driven to rotate upwards, the included angle between the blanking plate 19 and the horizontal plane is reduced, the sliding time of plastic particles on the surface of the blanking plate 19 is prolonged, the hot air entering from the air outlet pipeline 12 has enough time to blow the plastic particles, the plastic particles entering the conveying device 2 are guaranteed to be in a dry state, and the interference of water vapor in the plastic particles on the subsequent injection molding process is prevented.
An embodiment provides an embodiment of a lifting assembly;
Further, the lifting assembly comprises a lifting plate 28 fixedly connected to the outer wall of the lifting rod 21, the lifting plate 28 can be adjusted in a vertical sliding mode in a notch of the outer wall of the upper charging barrel 6, a sliding ring 26 is rotatably installed on the outer wall of a telescopic part of the first telescopic rod 31, and a second connecting rod 27 is rotatably connected between the sliding ring 26 and the lifting plate 28.
Referring to fig. 4, when the mold having the thin wall area needs to be injection molded, the first friction wheel 15 is rotated clockwise to reduce the rate of sucking hot air, and when the first friction wheel 15 is rotated, under the cooperation of the first friction wheel 15 and the second friction wheel 16, the telescopic part of the first telescopic rod 31 is contracted towards the direction close to the feeding cylinder 6, so as to drive the sliding ring 26 to move towards the direction close to the feeding cylinder 6, and further, the lifting plate 28 and the lifting rod 21 are moved upwards through the second connecting rod 27, and when the lifting rod 21 moves upwards, the blanking plate 19 is driven to rotate upwards, so that the included angle between the blanking plate 19 and the horizontal plane is reduced, and the purpose of prolonging the stay of plastic particles in the feeding cylinder 6 is achieved, so that the plastic particles can be completely dried.
A second embodiment, substantially identical to the first embodiment, provides an implementation of a second lifting assembly;
Further, the lifting assembly comprises an electric sliding block 29 fixedly connected to the outer wall of the lifting rod 21, the electric sliding block 29 can be adjusted in a vertical sliding mode in a notch of the outer wall of the upper charging barrel 6, a pressure sensor for detecting the pressure applied to the rotating ring 30 is fixedly installed in the shaft seat 18, and the electric sliding block 29 is electrically connected with the pressure sensor.
Referring to fig. 5, basically, the difference is that when the telescopic part of the first telescopic rod 31 is retracted toward the feeding barrel 6, the spring 17 is compressed, so that the pressure applied to the rotating ring 30 is increased, when the pressure sensor detects that the pressure applied to the rotating ring 30 is increased, the pressure is fed back to the electric sliding block 29, and the electric sliding block 29 drives the lifting rod 21 to move upwards, so that the blanking plate 19 is driven to rotate upwards, the included angle between the blanking plate 19 and the horizontal plane is reduced, and the purpose of prolonging the stay of plastic particles in the feeding barrel 6 is achieved.
Further, a handle 24 is rotatably installed on the outer wall of one side of the mounting plate 14 far away from the first friction wheel 15, the handle 24 is coaxially connected with the first friction wheel 15, a limiting plug 25 is installed on the outer wall of the handle 24 in a penetrating and sliding manner, and two locking holes enabling the limiting plug 25 to be inserted are installed on the outer wall of the mounting shell 5.
Referring to fig. 3, when the mold having the thin-walled region is required to be injection molded, the stopper 25 is first pulled out from the first locking hole, then the handle 24 is rotated, and then the stopper 25 is inserted into the second locking hole, so as to achieve the purpose of limiting.
Further, a first gear 34 is fixedly installed on one side, close to the outer wall of the feeding barrel 6, of the first telescopic rod 31, a second gear 35 is rotatably installed on the outer wall of the feeding barrel 6, the second gear 35 is meshed with the first gear 34, a stirring plate 33 is rotatably installed on the inner wall of the feeding barrel 6, and the stirring plate 33 and the second gear 35 are coaxially installed.
Referring to fig. 4 and 7, the first gear 34 is driven to rotate during the rotation of the first telescopic rod 31, so as to drive the second gear 35 to rotate, the stirring plate 33 is driven to rotate during the rotation of the second gear 35, under the normal state, the plastic particles slide down on the blanking plate 19 at a higher speed, the plastic particles are collected at the outlet of the upper charging barrel 6, and under the action of rotation and stirring of the stirring plate 33, the blocking of the outlet of the upper charging barrel 6 by the plastic particles can be prevented.
When needs have the regional mould of thin wall and mould plastics, blanking plate 19 is less with the contained angle of horizontal direction, and the speed is lower when plastic granules drops to the exit of upper feed cylinder 6, can make the plastic granules who drops to stirring plate 33 surface faster entering conveyor 2 inside through stirring plate 33's rotation, improves the feed rate.
Further, an exhaust passage 36 is formed at the top of the upper cylinder 6.
An exhaust channel 36 is formed at the top of the upper charging barrel 6 to exhaust the air in the upper charging barrel 6 to the atmosphere so as to maintain the air pressure balance in the upper charging barrel 6.
The standard components used in the present embodiment may be purchased directly from the market, and the nonstandard structural components according to the descriptions of the specification and the drawings may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that the specific description will not be made here.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an injection molding machine is used in plastic goods processing, includes workstation (1), its characterized in that:
The top of the workbench (1) is fixedly provided with a conveying device (2) and a die clamping device (4), and the top of the conveying device (2) is fixedly provided with a feeding cylinder (6);
the air-sucking device further comprises a heat exchange cavity (3) arranged on the outer wall of the conveying device (2), wherein the conveying device (2) can heat air in the heat exchange cavity (3), and the air-sucking component sucks hot air in the heat exchange cavity (3) and recycles the hot air;
the device also comprises a regulating component for regulating the speed of the suction component for sucking hot air;
The air suction assembly comprises a mounting shell (5) fixedly mounted at the top of a heat exchange cavity (3), a piston body (7) is fixedly mounted at the top of the heat exchange cavity (3), a piston plate (8) is slidably mounted in the piston body (7), a rotatable third friction wheel (11) is mounted at the top of the heat exchange cavity (3), a first connecting rod (10) is rotatably mounted at the top of the third friction wheel (11), a piston rod (9) is rotatably mounted at the top of the first connecting rod (10) through a pin roll (13), the pin roll (13) can be slidably adjusted up and down in a shaft hole of the piston rod (9), one end of the piston rod (9) penetrates through the outer wall of the piston body (7) to be fixedly connected with the piston plate (8) and is slidably connected with the penetrating part of the piston body (7), the piston body (7) is communicated with the inside of the heat exchange cavity (3) through an air suction pipeline (37), the piston body (7) can only suck air from the inside the heat exchange cavity (3), the piston body (7) is communicated with external recycling equipment through an air outlet pipeline (12), and the air outlet pipeline (12) can only outwards extend from the piston body (7);
The adjusting component comprises a mounting plate (14) fixedly mounted at the top of a heat exchange cavity (3), a first friction wheel (15) is rotatably mounted on the outer wall of the mounting plate (14), a third friction wheel (11) is rotatably mounted at the top of the heat exchange cavity (3) through a second telescopic rod (32), the first friction wheel (15) and the third friction wheel (11) are always in friction contact, an axle seat (18) is fixedly mounted at the top of the heat exchange cavity (3), a rotating ring (30) is rotatably mounted on the outer wall of the axle seat (18) in a penetrating manner, a first telescopic rod (31) is sleeved in the rotating ring (30) in a sliding manner through a flat key, one end of the first telescopic rod (31) is rotatably mounted on the outer wall of a feeding cylinder (6), a second friction wheel (16) is fixedly mounted at the other end of the first telescopic rod (31), a spring (17) is connected between the second friction wheel (16) and the rotating ring (30), the second friction wheel (16) is always in friction contact with the first friction wheel (15), and the first friction wheel (15) is always in friction contact, and a motor (31) is fixedly arranged at the top of the heat exchange cavity (3).
2. The injection molding machine for plastic product processing according to claim 1, wherein a plurality of blanking plates (19) are rotatably arranged on the inner wall of the feeding cylinder (6), the blanking plates (19) are arranged in a staggered mode, air holes (20) are formed in the outer wall of each blanking plate (19) in a penetrating mode, and an air outlet of the air outlet pipeline (12) is communicated with the inside of the feeding cylinder (6).
3. The injection molding machine for plastic product processing according to claim 2, wherein the inner wall of the feeding cylinder (6) is slidably provided with a lifting rod (21), the outer walls of the blanking plates (19) are provided with sliding grooves (22), the outer walls of the lifting rod (21) are fixedly connected with protrusions (23) capable of sliding in the sliding grooves (22), and the injection molding machine further comprises a lifting assembly capable of enabling the lifting rod (21) to move up and down.
4. The injection molding machine for plastic product processing according to claim 3, wherein the lifting assembly comprises a lifting plate (28) fixedly connected to the outer wall of the lifting rod (21), the lifting plate (28) can be adjusted in a vertical sliding manner in a notch of the outer wall of the upper charging barrel (6), a sliding ring (26) is rotatably arranged on the outer wall of a telescopic part of the first telescopic rod (31), and a second connecting rod (27) is rotatably connected between the sliding ring (26) and the lifting plate (28).
5. The injection molding machine for plastic product processing according to claim 3, wherein the lifting assembly comprises an electric slider (29) fixedly connected to the outer wall of the lifting rod (21), the electric slider (29) can slide up and down in a notch of the outer wall of the upper charging barrel (6), a pressure sensor for detecting the pressure applied by the rotating ring (30) is fixedly arranged in the shaft seat (18), and the electric slider (29) is electrically connected with the pressure sensor.
6. The injection molding machine for plastic product processing according to claim 3, wherein a handle (24) is rotatably installed on the outer wall of one side of the mounting plate (14) far away from the first friction wheel (15), the handle (24) is coaxially connected with the first friction wheel (15), a limiting plug (25) is installed on the outer wall of the handle (24) in a penetrating and sliding manner, and two locking holes capable of enabling the limiting plug (25) to be inserted are installed on the outer wall of the mounting shell (5).
7. The injection molding machine for plastic product processing according to claim 6, wherein a first gear (34) is fixedly arranged on one side, close to the outer wall of the feeding barrel (6), of the first telescopic rod (31), a second gear (35) is rotatably arranged on the outer wall of the feeding barrel (6), the second gear (35) is meshed with the first gear (34), a stirring plate (33) is rotatably arranged on the inner wall of the feeding barrel (6), and the stirring plate (33) and the second gear (35) are coaxially arranged.
8. The injection molding machine for plastic product processing according to any one of claims 1-7, wherein the top of the feeding cylinder (6) is provided with an exhaust passage (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202411855894.2A CN119458829B (en) | 2024-12-17 | 2024-12-17 | Injection molding machine is used in plastic goods processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411855894.2A CN119458829B (en) | 2024-12-17 | 2024-12-17 | Injection molding machine is used in plastic goods processing |
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| CN119458829A CN119458829A (en) | 2025-02-18 |
| CN119458829B true CN119458829B (en) | 2025-10-17 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2851175A1 (en) * | 2013-09-20 | 2015-03-25 | Ferromatik Milacron GmbH | Injection moulding machine |
| CN104527013A (en) * | 2014-12-13 | 2015-04-22 | 四川清川管业有限公司 | Waste heat recovering and utilizing system and method of plastic pipe production line |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56144141A (en) * | 1980-04-11 | 1981-11-10 | Hitachi Zosen Corp | Extruder utilizing waste heat of cylinder |
| KR200410900Y1 (en) * | 2005-12-08 | 2006-03-15 | 김성탁 | Waste Heat Recovery Device of Injection Molding Machine |
| CN218749130U (en) * | 2023-02-20 | 2023-03-28 | 福建力仕机械有限公司 | Energy-saving injection molding machine |
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- 2024-12-17 CN CN202411855894.2A patent/CN119458829B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2851175A1 (en) * | 2013-09-20 | 2015-03-25 | Ferromatik Milacron GmbH | Injection moulding machine |
| CN104527013A (en) * | 2014-12-13 | 2015-04-22 | 四川清川管业有限公司 | Waste heat recovering and utilizing system and method of plastic pipe production line |
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| CN119458829A (en) | 2025-02-18 |
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