CN114147919A - Injection molding machine nozzle and injection molding machine - Google Patents
Injection molding machine nozzle and injection molding machine Download PDFInfo
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- CN114147919A CN114147919A CN202111218283.3A CN202111218283A CN114147919A CN 114147919 A CN114147919 A CN 114147919A CN 202111218283 A CN202111218283 A CN 202111218283A CN 114147919 A CN114147919 A CN 114147919A
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- nozzle
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- injection molding
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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
- B29C45/20—Injection nozzles
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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
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
- B29C45/231—Needle valve systems therefor
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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
- B29C45/20—Injection nozzles
- B29C45/24—Cleaning equipment
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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
The invention relates to the technical field of injection molding machines, and particularly discloses a nozzle of an injection molding machine, which comprises a machine body, a nozzle pipe and a nozzle assembly, wherein one end of the machine body is connected with the nozzle pipe; the nozzle assembly comprises a mounting frame fixed inside the machine body. The invention provides a nozzle of an injection molding machine and the injection molding machine, wherein the nozzle component is arranged, a nozzle pipe is adapted to a machine body according to the actual condition by adjusting the nozzle component, when the machine body finishes injection molding, and the nozzle pipe is withdrawn, partial materials remained in the nozzle pipe are withdrawn into the machine body by the operation of the nozzle component, so that the waste and the production environment damage caused by the continuous dripping of the remained materials from the nozzle pipe are avoided; and through adjusting nozzle assembly, satisfy the regulation to the spraying plastics speed for can control injection rate in the course of working, have certain practicality.
Description
Technical Field
The invention relates to the technical field of injection molding machines, in particular to a nozzle of an injection molding machine and the injection molding machine.
Background
An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding mold, the injection molding machine can heat the plastics and apply high pressure to the molten plastics to ensure that the molten plastics are ejected to fill a mold cavity of the mold, a nozzle of the injection molding machine is a key technology of an injection molding process and is a key part for injecting the hot-melted plastics into the mold, but the existing nozzle of the injection molding machine has the following problems in the using process:
the first problem is that: when the injection molding is finished and the nozzle is withdrawn, part of materials remain in the nozzle, and the nozzle cannot be closed in time, so that the remaining materials can continuously drip from the nozzle, the materials are easily wasted, and the production environment is easily damaged; and after the raw materials cooling, cause the condition that the mouth of moulding plastics is blockked up easily to take place, cause the unable ejection of compact in later stage, need the regular clearance of operating personnel, increase the amount of labour.
The second problem is that: most of nozzles of the existing injection molding machines can only be processed at one speed, and cannot meet the regulation of the plastic spraying speed, so that the injection speed cannot be controlled in the processing process, and the injection molding cost is increased because some production lines need to control the speed and can only change the corresponding nozzles.
In order to solve the problems, the invention provides a nozzle of an injection molding machine and the injection molding machine.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the problems that the material residue of the existing injection molding machine is left in the nozzle, so that the material waste, the environment pollution and the nozzle blockage are caused; and the problem that the injection speed cannot be controlled in the machining process can be solved.
(II) technical scheme
The technical scheme adopted by the invention for solving the technical problems is as follows: the nozzle of the injection molding machine comprises a machine body, a nozzle pipe and a nozzle assembly, wherein one end of the machine body is connected with the nozzle pipe, the nozzle assembly is installed in the machine body, and the nozzle assembly is matched with the nozzle pipe.
The nozzle assembly comprises a mounting frame fixed inside the machine body, a driving motor is fixed on the mounting frame and connected with a rotating shaft through a coupling, an electric push rod is installed at the tail end of the rotating shaft, and the tail end of the electric push rod is connected with a nozzle component matched with the nozzle pipe.
The nozzle component comprises a shell, the shell is in a hollow circular truncated cone shape, and the diameter of one end with a large size of the shell is matched with the diameter of the nozzle pipe; the small-size one end symmetry of casing is equipped with two fixed stop, and two fixed stop integrated into one piece are connected through fixed connecting portion, fixed stop with constitute two small openings between the casing.
The nozzle component also comprises a rotating rod connected with the tail end of the electric push rod, and the outer end of the rotating rod is rotatably connected with the inner wall of the fixed connecting part through a bearing; a rotating baffle is arranged on the outer wall of the rotating rod; and the outer wall of the fixed baffle is provided with a rotating bushing plate, and the rotating bushing plate is matched with the leakage hole.
Preferably, the rotating baffle is provided with two, and two rotating baffle integrated into one piece are connected through rotating connecting portion, the rotating baffle with the small opening phase-match, the dwang passes rotating connecting portion and with rotating connecting portion fixed connection.
Preferably, the rotating leakage plates are provided with two, the two rotating leakage plates are integrally formed and connected through leakage plate connecting portions, the rotating leakage plates are matched with the leakage holes, the rotating leakage plates are rotatably installed on the outer wall of the fixed baffle, and a plurality of through holes are uniformly formed in the rotating leakage plates.
Preferably, a rubber pad is fixed on the surface of the rotating baffle plate, and the side wall of the rubber pad, which is far away from the rotating baffle plate, is in contact with the fixed baffle plate; the side wall of the rotating baffle, which is opposite to the rubber pad, is provided with an inner groove, and a resisting spring is uniformly arranged in the inner groove and has a resisting effect on the rubber pad.
Preferably, the outer ring of the rotating baffle is connected with a rubber ring, the cross section of the rubber ring is of a triangular structure, one side wall of the rubber ring is fixedly connected with the outer ring of the rotating baffle, and the other outer wall of the rubber ring is attached to the inner wall of the shell.
Preferably, the fixed baffle is provided with an arc groove, the outer part of the arc groove is communicated with a side opening, and the inner wall of the side opening is uniformly provided with a limiting groove; and a limiting rod is arranged at the position, facing the edge opening, of the inner wall of the rotating bushing, and the tail end of the limiting rod is matched with the limiting groove.
Preferably, a fixed cylinder is fixed on the outer wall of the fixed baffle, an adjusting rod is slidably connected in the fixed cylinder, an adjusting spring is connected between the tail end of the adjusting rod and the inner wall of the fixed cylinder, a knob is fixedly connected to the other end of the adjusting rod, and the outer wall of the adjusting rod is fixedly connected with the rotating bushing.
Preferably, one end of the shell with a large size is connected with a scraper which is attached to the inner wall of the nozzle pipe; the joint of the nozzle pipe and the machine body is provided with a limiting ring, and the limiting ring is matched with the scraper.
The invention also provides an injection molding machine, which adopts the injection molding machine nozzle and is characterized in that: the injection molding machine nozzle feeding device further comprises a conveying device and a feeding hopper, wherein the conveying device is used for outputting materials to the injection molding machine nozzle.
Preferably, the conveying device is installed at one end, far away from the nozzle pipe, in the machine body, and the loading hopper is fixed at the upper end of the machine body.
(III) advantageous effects
1. The invention provides a nozzle of an injection molding machine and the injection molding machine, wherein the nozzle component is arranged, a nozzle pipe is adapted to a machine body according to the actual condition by adjusting the nozzle component, when the machine body finishes injection molding, and the nozzle pipe is withdrawn, partial materials remained in the nozzle pipe are withdrawn into the machine body by the operation of the nozzle component, so that the waste and the production environment damage caused by the continuous dripping of the remained materials from the nozzle pipe are avoided; and through adjusting nozzle assembly, satisfy the regulation to the spraying plastics speed for can control injection rate in the course of working, have certain practicality.
2. The invention provides a nozzle of an injection molding machine and the injection molding machine, wherein the nozzle component is arranged, when a driving motor rotates, a rotating shaft is driven to rotate, the rotating shaft drives an electric push rod and a rotating baffle plate in the nozzle component to rotate, so that the rotating baffle plate shields a leak hole, a nozzle pipe is closed, and materials are prevented from flowing continuously; and the rotating baffle can be rotated to a proper position to adjust the size of the leak hole, so that the requirement of adjusting the plastic spraying speed is met.
3. According to the injection molding machine nozzle and the injection molding machine, the structure of the rubber pad and the rubber ring effectively increases the whole sealing performance of the nozzle assembly and the sealing performance between the nozzle assembly and the shell, so that materials can be effectively prevented from flowing out of gaps, and the waste of the materials and the pollution to the environment are avoided.
4. The invention provides a nozzle of an injection molding machine and the injection molding machine, wherein, in a normal state, a rotating bushing, a rotating baffle and a fixed baffle are superposed, so that the work of the bushing is prevented from being influenced, when the injection molding speed needs to be adjusted, the rotating baffle is adjusted through a rotating shaft so as to adjust the size of the bushing to achieve the purpose of adjusting the injection molding speed, when the rotating baffle is not enough to adjust the injection molding speed, the rotating bushing is adjusted so that the bushing is communicated with a through hole, so that the outlet of injection molding is reduced, further, the fine adjustment is carried out on the basis of the rotating baffle, the rotating baffle can be superposed with the fixed baffle, and the rotating bushing is directly adjusted to achieve the purpose of adjusting the injection molding speed.
5. The invention provides a nozzle of an injection molding machine and the injection molding machine, wherein an electric push rod pushes a nozzle assembly to move in a nozzle pipe, when the electric push rod pulls the nozzle assembly to move towards the inside of a machine body, a scraper blade is in contact with the inner wall of the nozzle pipe and scrapes off materials remained on the inner wall of the nozzle pipe, so that the remained materials are convenient to recover, when an antique board moves to be in contact with fibrosis, the nozzle assembly stops moving, no remained materials exist in the nozzle pipe, and the sealing structure of the nozzle assembly prevents the materials from leaking from the nozzle assembly, avoids the problems of waste and damage to the production environment caused by continuous dripping of the remained materials from the nozzle pipe, and also solves the trouble caused by manual cleaning.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall sectional structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the nozzle assembly of the present invention.
Wherein: 1 machine body, 10 spacing rings, 2 nozzle pipes, 3 nozzle components, 31 mounting frames, 32 driving motors, 33 electric push rods, 34 nozzle components, 341 shells, 3410 scrapers, 342 rotating rods, 343 leak holes, 344 bearings, 345 rotating baffles, 3450 rubber rings, 346 rotating baffles, 347 through holes, 348 rubber pads, 349 resisting springs, 35 fixing baffles, 351 arc grooves, 352 side openings, 353 spacing grooves, 354 spacing rods, 355 fixing cylinders, 356 adjusting rods, 357 adjusting springs, 358 knobs, 4 conveying devices and 5 hoppers.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides the following technical solutions: a nozzle of an injection molding machine comprises a machine body 1, a nozzle pipe 2 and a nozzle assembly 3, wherein one end of the machine body 1 is connected with the nozzle pipe 2, the nozzle assembly 3 is installed in the machine body 1, and the nozzle assembly 3 is matched with the nozzle pipe 2; the nozzle assembly 3 is adjusted to enable the nozzle pipe 2 to adapt to the machine body 1 according to actual conditions, when the injection molding of the machine body 1 is completed, and the nozzle pipe 2 is withdrawn, partial materials remained in the nozzle pipe 2 are recovered into the machine body 1 through the operation of the nozzle assembly 3, so that the waste and the damage to the production environment caused by the continuous dripping of the remained materials from the nozzle pipe 2 are avoided; and satisfy the regulation to the spraying plastics speed through adjusting nozzle assembly 3 for can control injection rate in the course of working, have certain practicality.
Referring to fig. 2, the nozzle assembly 3 includes a mounting bracket 31 fixed inside the machine body 1, a driving motor 32 is fixed on the mounting bracket 31, the driving motor 32 is connected with a rotating shaft through a coupling, an electric push rod 33 is installed at the tail end of the rotating shaft, and a nozzle assembly 34 matched with the nozzle pipe 2 is connected to the tail end of the electric push rod 33; wherein, electric putter 33 promotes nozzle assembly 3 and is managed 2 internalization at the nozzle, comes the convenience to retrieve residual material, and the pivot drives the part rotation in the nozzle assembly 3, and convenient adjustment nozzle assembly 3 satisfies the regulation to the plastic-blasting speed.
Referring to fig. 3-4, the nozzle member 34 includes a housing 341, the housing 341 is a hollow circular truncated cone, and the diameter of the end of the housing 341 with a large size matches the diameter of the nozzle pipe 2, so as to prevent the residual material from leaking out when the nozzle member 34 moves in the nozzle pipe 2; two fixed baffles 35 are symmetrically arranged at the small end of the shell 341, the two fixed baffles 35 are of a fan-shaped structure, the two fixed baffles 35 are integrally formed and connected through a fixed connecting part, and two leakage holes 343 are formed between the fixed baffles 35 and the shell 341; wherein, the weeping hole 343 supplies the material to flow through, when the weeping hole 343 was not blockked, the material flowed out from the weeping hole 343 and entered into the mould and carries out the work of moulding plastics.
The nozzle component 34 also comprises a rotating rod 342 connected with the tail end of the electric push rod 33, and the outer end of the rotating rod 342 is rotatably connected with the inner wall of the fixed connecting part through a bearing 344; the outer wall of the rotating rod 342 is provided with a rotating baffle 345; when the driving motor 32 rotates to drive the rotating shaft to rotate, the rotating shaft drives the electric push rod 33 and the rotating baffle 345 to rotate, so that the rotating baffle 345 shields the leak hole 343, the nozzle pipe 2 is closed, and the material is prevented from flowing continuously; and the rotating baffle 345 can also be rotated to a proper position to adjust the size of the leak hole 343, so as to meet the requirement of adjusting the plastic spraying speed.
The outer wall of the fixed baffle 35 is provided with a rotating leakage plate 346, and the rotating leakage plate 346 is matched with the leakage hole 343; wherein, the rotating nozzle plate 346, the rotating baffle 345 and the fixed baffle 35 are matched with each other to achieve the purpose of adjusting the plastic spraying speed.
Two rotating baffles 345 are arranged, the two rotating baffles 345 are integrally formed and connected through a rotating connecting part, the rotating baffles 345 are matched with the leakage holes 343, the rotating baffles 345 are correspondingly of a fan-shaped structure, and the rotating rods 342 penetrate through the rotating connecting part and are fixedly connected with the rotating connecting part; when the rotating rod 342 rotates, the rotating baffle 345 is driven to rotate, so that the rotating baffle 345 shields the leak hole 343, the nozzle tube 2 is closed, and the material is prevented from flowing continuously; and the rotating baffle 345 can also be rotated to a proper position to adjust the size of the leak hole 343, so as to meet the requirement of adjusting the plastic spraying speed.
A rubber pad 348 is fixed on the surface of the rotating baffle 345, and the side wall of the rubber pad 348 far away from the rotating baffle 345 is in contact with the fixed baffle 35; an inner groove 3480 is formed in the side wall of the rotating baffle 345 opposite to the rubber pad 348, a resisting spring 349 is uniformly arranged in the inner groove 3480, and the resisting spring 349 has resisting effect on the rubber pad 348; in the structure, the rubber pad 348 is resisted by the resisting spring 349, the sealing performance among the fixed baffle 35, the rubber pad 348 and the rotating baffle 345 is improved, and when the rotating baffle 345 rotates to completely block the leakage hole 343, materials can be effectively prevented from flowing out from a gap between the rotating baffle 345 and the fixed baffle 35, so that the waste of the materials and the pollution to the environment are avoided.
The outer ring of the rotating baffle 345 is connected with a rubber ring 3450, the section of the rubber ring 3450 is of a triangular structure, one side wall of the rubber ring 3450 is fixedly connected with the outer ring of the rotating baffle 345, and the other outer wall of the rubber ring 3450 is attached to the inner wall of the shell; the rubber ring 3450 in the structure increases the sealing property between the rotary baffle 345 and the shell 341, and when the rotary baffle 345 rotates to completely block the leak hole 343, the material can be effectively prevented from flowing out from the gap between the rotary baffle 345 and the shell 341, so that the material waste and the environmental pollution are avoided; the cross-section of the rubber ring 3450 is a triangular structure, and the empty side wall in the rubber ring 3450 is obliquely arranged, so that materials adhered to the inner wall of the rubber ring 3450 are effectively reduced.
The two rotating leakage plates 346 are integrally formed and connected through a leakage plate connecting part, the rotating leakage plates 346 are matched with the leakage holes 343, the rotating leakage plates 346 are rotatably arranged on the outer wall of the fixed baffle 35, and a plurality of through holes 347 are uniformly formed in the rotating leakage plates 346; the rotating leakage plate 346 is also matched with the fixed baffle 35, the rotating leakage plate 346, the rotating baffle 345 and the fixed baffle 35 are overlapped under a normal state, so that the work of the leakage hole 343 is prevented from being influenced, when the plastic spraying speed needs to be adjusted, the rotating baffle 345 is adjusted through a rotating shaft to adjust the size of the leakage hole 343 to achieve the purpose of adjusting the plastic spraying speed, when the rotating baffle 345 is not enough to adjust the plastic spraying speed, the rotating leakage plate 346 is adjusted to enable the leakage hole 343 to be communicated with the through hole 347, so that the outlet of the plastic spraying is reduced, fine adjustment is performed on the basis of the rotating baffle 345, the rotating baffle 345 can be overlapped with the fixed baffle 35, and the rotating leakage plate 346 is directly adjusted to achieve the purpose of adjusting the plastic spraying speed.
An arc groove 351 is formed in the fixed baffle 35, the outer portion of the arc groove 351 is communicated with a side opening 352, and limiting grooves 353 are uniformly formed in the inner wall of the side opening 352; a limiting rod 354 is arranged at the position, opposite to the edge opening 352, of the inner wall of the rotating leakage plate 346, and the tail end of the limiting rod 354 is matched with the limiting groove 353; wherein, the limiting rod 354 is positioned in the arc groove 351 and matched with the limiting groove 353 to realize the purpose of fixing the rotating bushing 346.
A fixed cylinder 355 is fixed on the outer wall of the fixed baffle 35, an adjusting rod 356 is connected in the fixed cylinder 355 in a sliding manner, an adjusting spring 357 is connected between the tail end of the adjusting rod 356 and the inner wall of the fixed cylinder 355, a knob 358 is fixedly connected to the other end of the adjusting rod 356, the outer wall of the adjusting rod 356 is fixedly connected with a rotating bushing 346 through a bushing connecting part, and the knob 358 is installed on the outer wall of the rotating bushing 346; wherein, the knob 358 is pressed to make the adjusting rod 356 and the rotating bushing 346 move together to the fixed baffle 35, and make the limiting rod 354 leave from the limiting groove 353 and be completely positioned in the arc groove 351, then the knob 358 is rotated, the knob 358 drives the adjusting rod 356 and the rotating bushing 346 to rotate, so as to adjust the position of the rotating bushing 346 relative to the fixed baffle 35 and the bushing 343, and the purpose of controlling the plastic spraying speed is achieved.
A scraper 3410 is connected to the large-sized end of the housing 341, and the scraper 3410 is attached to the inner wall of the nozzle tube 2; a limiting ring 10 is arranged at the joint of the nozzle pipe 2 and the machine body 1, and the limiting ring 10 is matched with the scraper 3410; wherein, electric putter 33 promotes nozzle assembly 3 and moves in nozzle pipe 2, when electric putter 33 pulling nozzle assembly 3 when organism 1 inside removes, scraper blade 3410 contacts and strikes off the remaining material of nozzle pipe 2 inner wall with nozzle pipe 2 inner wall, conveniently retrieve the remaining material, when the ancient board moves and contacts with the fibrosis, nozzle assembly 3 stops moving, there is not the remaining material in the nozzle pipe 2, the seal structure of nozzle assembly 3 in addition, make the material can not spill from nozzle assembly 3, avoid appearing remaining material and incessant drippage from nozzle pipe 2 and cause the waste, destroy the problem of production environment, also solve the trouble that needs artifical clearance to bring.
Example two:
referring to fig. 1-4, the present invention further provides an injection molding machine, which uses the injection molding machine nozzle, and further comprises a conveying device 4 and a hopper 5, wherein the conveying device 4 is used for outputting materials to the injection molding machine nozzle; the conveying device 4 is arranged at one end of the machine body 1 far away from the nozzle pipe 2, and the feeding hopper 5 is fixed at the upper end of the machine body 1.
The injection molding machine nozzle comprises a machine body 1, a nozzle pipe 2 and a nozzle assembly 3, wherein one end of the machine body 1 is connected with the nozzle pipe 2, the nozzle assembly 3 is installed in the machine body 1, and the nozzle assembly 3 is matched with the nozzle pipe 2; the nozzle assembly 3 is adjusted to enable the nozzle pipe 2 to adapt to the machine body 1 according to actual conditions, when the injection molding of the machine body 1 is completed, and the nozzle pipe 2 is withdrawn, partial materials remained in the nozzle pipe 2 are recovered into the machine body 1 through the operation of the nozzle assembly 3, so that the waste and the damage to the production environment caused by the continuous dripping of the remained materials from the nozzle pipe 2 are avoided; and satisfy the regulation to the spraying plastics speed through adjusting nozzle assembly 3 for can control injection rate in the course of working, have certain practicality.
The nozzle component 3 comprises a mounting frame 31 fixed in the machine body 1, a driving motor 32 is fixed on the mounting frame 31, the driving motor 32 is connected with a rotating shaft through a coupler, an electric push rod 33 is installed at the tail end of the rotating shaft, and a nozzle component 34 matched with the nozzle pipe 2 is connected to the tail end of the electric push rod 33; wherein, electric putter 33 promotes nozzle assembly 3 and is managed 2 internalization at the nozzle, comes the convenience to retrieve residual material, and the pivot drives the part rotation in the nozzle assembly 3, and convenient adjustment nozzle assembly 3 satisfies the regulation to the plastic-blasting speed.
The nozzle component 34 comprises a shell 341, the shell 341 is a hollow circular truncated cone, the diameter of the end with the large size of the shell 341 is matched with the diameter of the nozzle pipe 2, and residual materials are prevented from leaking when the nozzle component 34 moves in the nozzle pipe 2; two fixed baffles 35 are symmetrically arranged at the small end of the shell 341, the two fixed baffles 35 are of a fan-shaped structure, the two fixed baffles 35 are integrally formed and connected through a fixed connecting part, and two leakage holes 343 are formed between the fixed baffles 35 and the shell 341; wherein, the weeping hole 343 supplies the material to flow through, when the weeping hole 343 was not blockked, the material flowed out from the weeping hole 343 and entered into the mould and carries out the work of moulding plastics.
The nozzle component 34 also comprises a rotating rod 342 connected with the tail end of the electric push rod 33, and the outer end of the rotating rod 342 is rotatably connected with the inner wall of the fixed connecting part through a bearing 344; the outer wall of the rotating rod 342 is provided with a rotating baffle 345; when the driving motor 32 rotates to drive the rotating shaft to rotate, the rotating shaft drives the electric push rod 33 and the rotating baffle 345 to rotate, so that the rotating baffle 345 shields the leak hole 343, the nozzle pipe 2 is closed, and the material is prevented from flowing continuously; and the rotating baffle 345 can also be rotated to a proper position to adjust the size of the leak hole 343, so as to meet the requirement of adjusting the plastic spraying speed.
The outer wall of the fixed baffle 35 is provided with a rotating leakage plate 346, and the rotating leakage plate 346 is matched with the leakage hole 343; wherein, the rotating nozzle plate 346, the rotating baffle 345 and the fixed baffle 35 are matched with each other to achieve the purpose of adjusting the plastic spraying speed.
Two rotating baffles 345 are arranged, the two rotating baffles 345 are integrally formed and connected through a rotating connecting part, the rotating baffles 345 are matched with the leakage holes 343, the rotating baffles 345 are correspondingly of a fan-shaped structure, and the rotating rods 342 penetrate through the rotating connecting part and are fixedly connected with the rotating connecting part; when the rotating rod 342 rotates, the rotating baffle 345 is driven to rotate, so that the rotating baffle 345 shields the leak hole 343, the nozzle tube 2 is closed, and the material is prevented from flowing continuously; and the rotating baffle 345 can also be rotated to a proper position to adjust the size of the leak hole 343, so as to meet the requirement of adjusting the plastic spraying speed.
A rubber pad 348 is fixed on the surface of the rotating baffle 345, and the side wall of the rubber pad 348 far away from the rotating baffle 345 is in contact with the fixed baffle 35; an inner groove 3480 is formed in the side wall of the rotating baffle 345 opposite to the rubber pad 348, a resisting spring 349 is uniformly arranged in the inner groove 3480, and the resisting spring 349 has resisting effect on the rubber pad 348; in the structure, the rubber pad 348 is resisted by the resisting spring 349, the sealing performance among the fixed baffle 35, the rubber pad 348 and the rotating baffle 345 is improved, and when the rotating baffle 345 rotates to completely block the leakage hole 343, materials can be effectively prevented from flowing out from a gap between the rotating baffle 345 and the fixed baffle 35, so that the waste of the materials and the pollution to the environment are avoided.
The outer ring of the rotating baffle 345 is connected with a rubber ring 3450, the section of the rubber ring 3450 is of a triangular structure, one side wall of the rubber ring 3450 is fixedly connected with the outer ring of the rotating baffle 345, and the other outer wall of the rubber ring 3450 is attached to the inner wall of the shell; the rubber ring 3450 in the structure increases the sealing property between the rotary baffle 345 and the shell 341, and when the rotary baffle 345 rotates to completely block the leak hole 343, the material can be effectively prevented from flowing out from the gap between the rotary baffle 345 and the shell 341, so that the material waste and the environmental pollution are avoided; the cross-section of the rubber ring 3450 is a triangular structure, and the empty side wall in the rubber ring 3450 is obliquely arranged, so that materials adhered to the inner wall of the rubber ring 3450 are effectively reduced.
The two rotating leakage plates 346 are integrally formed and connected through a leakage plate connecting part, the rotating leakage plates 346 are matched with the leakage holes 343, the rotating leakage plates 346 are rotatably arranged on the outer wall of the fixed baffle 35, and a plurality of through holes 347 are uniformly formed in the rotating leakage plates 346; the rotating leakage plate 346 is also matched with the fixed baffle 35, the rotating leakage plate 346, the rotating baffle 345 and the fixed baffle 35 are overlapped under a normal state, so that the work of the leakage hole 343 is prevented from being influenced, when the plastic spraying speed needs to be adjusted, the rotating baffle 345 is adjusted through a rotating shaft to adjust the size of the leakage hole 343 to achieve the purpose of adjusting the plastic spraying speed, when the rotating baffle 345 is not enough to adjust the plastic spraying speed, the rotating leakage plate 346 is adjusted to enable the leakage hole 343 to be communicated with the through hole 347, so that the outlet of the plastic spraying is reduced, fine adjustment is performed on the basis of the rotating baffle 345, the rotating baffle 345 can be overlapped with the fixed baffle 35, and the rotating leakage plate 346 is directly adjusted to achieve the purpose of adjusting the plastic spraying speed.
An arc groove 351 is formed in the fixed baffle 35, the outer portion of the arc groove 351 is communicated with a side opening 352, and limiting grooves 353 are uniformly formed in the inner wall of the side opening 352; a limiting rod 354 is arranged at the position, opposite to the edge opening 352, of the inner wall of the rotating leakage plate 346, and the tail end of the limiting rod 354 is matched with the limiting groove 353; wherein, the limiting rod 354 is positioned in the arc groove 351 and matched with the limiting groove 353 to realize the purpose of fixing the rotating bushing 346.
A fixed cylinder 355 is fixed on the outer wall of the fixed baffle 35, an adjusting rod 356 is connected in the fixed cylinder 355 in a sliding manner, an adjusting spring 357 is connected between the tail end of the adjusting rod 356 and the inner wall of the fixed cylinder 355, a knob 358 is fixedly connected to the other end of the adjusting rod 356, the outer wall of the adjusting rod 356 is fixedly connected with a rotating bushing 346 through a bushing connecting part, and the knob 358 is installed on the outer wall of the rotating bushing 346; wherein, the knob 358 is pressed to make the adjusting rod 356 and the rotating bushing 346 move together to the fixed baffle 35, and make the limiting rod 354 leave from the limiting groove 353 and be completely positioned in the arc groove 351, then the knob 358 is rotated, the knob 358 drives the adjusting rod 356 and the rotating bushing 346 to rotate, so as to adjust the position of the rotating bushing 346 relative to the fixed baffle 35 and the bushing 343, and the purpose of controlling the plastic spraying speed is achieved.
A scraper 3410 is connected to the large-sized end of the housing 341, and the scraper 3410 is attached to the inner wall of the nozzle tube 2; a limiting ring 10 is arranged at the joint of the nozzle pipe 2 and the machine body 1, and the limiting ring 10 is matched with the scraper 3410; wherein, electric putter 33 promotes nozzle assembly 3 and moves in nozzle pipe 2, when electric putter 33 pulling nozzle assembly 3 when organism 1 inside removes, scraper blade 3410 contacts and strikes off the remaining material of nozzle pipe 2 inner wall with nozzle pipe 2 inner wall, conveniently retrieve the remaining material, when the ancient board moves and contacts with the fibrosis, nozzle assembly 3 stops moving, there is not the remaining material in the nozzle pipe 2, the seal structure of nozzle assembly 3 in addition, make the material can not spill from nozzle assembly 3, avoid appearing remaining material and incessant drippage from nozzle pipe 2 and cause the waste, destroy the problem of production environment, also solve the trouble that needs artifical clearance to bring.
The injection molding machine is provided with the nozzle assembly 3, the nozzle pipe 2 is adapted to the machine body 1 according to actual conditions by adjusting the nozzle assembly 3, when the injection molding of the machine body 1 is completed, and in the process of withdrawing the nozzle pipe 2, partial materials remained in the nozzle pipe 2 are withdrawn into the machine body 1 by the operation of the nozzle assembly 3, so that the waste and the production environment damage caused by the continuous dripping of the remained materials from the nozzle pipe 2 are avoided; and satisfy the regulation to the spraying plastics speed through adjusting nozzle assembly 3 for can control injection rate in the course of working, have certain practicality.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides an injection molding machine nozzle, includes organism (1), nozzle pipe (2) and nozzle assembly (3), its characterized in that: one end of the machine body (1) is connected with the nozzle pipe (2), a nozzle assembly (3) is installed in the machine body (1), and the nozzle assembly (3) is matched with the nozzle pipe (2);
the nozzle assembly (3) comprises an installation frame (31) fixed inside the machine body (1), a driving motor (32) is fixed on the installation frame (31), the driving motor (32) is connected with a rotating shaft through a coupler, an electric push rod (33) is installed at the tail end of the rotating shaft, and a nozzle assembly (34) matched with the nozzle pipe (2) is connected to the tail end of the electric push rod (33);
the nozzle component (34) comprises a shell (341), the shell (341) is in a hollow circular truncated cone shape, and the diameter of one end of the shell (341) with a large size is matched with the diameter of the nozzle pipe (2); two fixed baffles (35) are symmetrically arranged at one end of the shell (341) with a small size, the two fixed baffles (35) are integrally formed and connected through a fixed connecting part, and two leakage holes (343) are formed between the fixed baffles (35) and the shell (341);
the nozzle component (34) further comprises a rotating rod (342) connected with the tail end of the electric push rod (33), and the outer end of the rotating rod (342) is rotatably connected with the inner wall of the fixed connecting part through a bearing (344); a rotating baffle (345) is arranged on the outer wall of the rotating rod (342); and a rotating leakage plate (346) is arranged on the outer wall of the fixed baffle (35), and the rotating leakage plate (346) is matched with the leakage hole (343).
2. The injection molding machine nozzle of claim 1, wherein: the baffle (345) rotates and is provided with two, and two baffle (345) rotate integrated into one piece and are connected through rotating connecting portion, rotate baffle (345) with small opening (343) phase-match, dwang (342) pass rotate connecting portion and with rotate connecting portion fixed connection.
3. The injection molding machine nozzle of claim 2, wherein: the two rotating leakage plates (346) are integrally formed and connected through a leakage plate connecting portion, the rotating leakage plates (346) are matched with the leakage holes (343), the rotating leakage plates (346) are rotatably installed on the outer wall of the fixed baffle plate (35), and a plurality of through holes (347) are uniformly formed in the rotating leakage plates (346).
4. The injection molding machine nozzle of claim 2, wherein: a rubber pad (348) is fixed on the surface of the rotating baffle plate (345), and the side wall, away from the rotating baffle plate (345), of the rubber pad (348) is in contact with the fixed baffle plate (35); an inner groove (3480) is formed in the side wall of the rotating baffle (345) opposite to the rubber pad (348), a resisting spring (349) is uniformly arranged in the inner groove (3480), and the resisting spring (349) has resisting effect on the rubber pad (348).
5. A nozzle for an injection molding machine, as claimed in claim 3, wherein: an arc groove (351) is formed in the fixed baffle (35), a side opening (352) is communicated with the outside of the arc groove (351), and limiting grooves (353) are uniformly formed in the inner wall of the side opening (352); the inner wall of the rotating bushing (346) is provided with a limiting rod (354) at a position facing the side opening (352), and the tail end of the limiting rod (354) is matched with the limiting groove (353).
6. The injection molding machine nozzle of claim 5, wherein: the outer wall of the fixed baffle (35) is fixed with a fixed cylinder (355), an adjusting rod (356) is connected in the fixed cylinder (355) in a sliding mode, an adjusting spring (357) is connected between the tail end of the adjusting rod (356) and the inner wall of the fixed cylinder (355), the other end of the adjusting rod (356) is fixedly connected with a knob (358), and the outer wall of the adjusting rod (356) is fixedly connected with the rotary bushing (346).
7. The injection molding machine nozzle of claim 1, wherein: a scraper (3410) is connected to one end of the shell (341) with a large size, and the scraper (3410) is attached to the inner wall of the nozzle pipe (2); the joint of the nozzle pipe (2) and the machine body (1) is provided with a limiting ring (10), and the limiting ring (10) is matched with the scraper (3410).
8. An injection molding machine employing the injection molding machine nozzle according to any one of claims 1 to 7, characterized in that: the injection molding machine is characterized by further comprising a conveying device (4) and a loading hopper (5), wherein the conveying device (4) is used for outputting materials to the injection molding machine nozzle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218283.3A CN114147919B (en) | 2021-10-19 | 2021-10-19 | Injection molding machine nozzle and injection molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218283.3A CN114147919B (en) | 2021-10-19 | 2021-10-19 | Injection molding machine nozzle and injection molding machine |
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| CN114147919A true CN114147919A (en) | 2022-03-08 |
| CN114147919B CN114147919B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111218283.3A Active CN114147919B (en) | 2021-10-19 | 2021-10-19 | Injection molding machine nozzle and injection molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506016A (en) * | 2022-04-18 | 2022-05-17 | 烟台爱开天隆模塑有限公司 | Nozzle special for injection molding of plastic product of airplane seat |
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| US3481001A (en) * | 1965-09-16 | 1969-12-02 | Buehler Ag Geb | Injection molding machine and method of operation |
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| CN111716638A (en) * | 2020-06-25 | 2020-09-29 | 徐青 | Injection molding process based on double mixed color injection molding machine |
| CN212400152U (en) * | 2020-05-25 | 2021-01-26 | 清远市鸿盛塑料科技有限公司 | Speed regulation nozzle for injection molding machine |
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| US3481001A (en) * | 1965-09-16 | 1969-12-02 | Buehler Ag Geb | Injection molding machine and method of operation |
| FR1526351A (en) * | 1967-04-27 | 1968-05-24 | Shutter Nozzle for Injection Molding Machines | |
| US5830524A (en) * | 1995-12-23 | 1998-11-03 | Ewikon Heisskanalsysteme Gmbh & Co. Kg | Heatable needle seal nozzle assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114506016A (en) * | 2022-04-18 | 2022-05-17 | 烟台爱开天隆模塑有限公司 | Nozzle special for injection molding of plastic product of airplane seat |
| CN114506016B (en) * | 2022-04-18 | 2022-06-21 | 烟台爱开天隆模塑有限公司 | Nozzle special for injection molding of plastic product of airplane seat |
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| Publication number | Publication date |
|---|---|
| CN114147919B (en) | 2023-08-01 |
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