CN113334682B - Injection molding device for molding plastic grinding tool - Google Patents
Injection molding device for molding plastic grinding tool Download PDFInfo
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- CN113334682B CN113334682B CN202110445991.4A CN202110445991A CN113334682B CN 113334682 B CN113334682 B CN 113334682B CN 202110445991 A CN202110445991 A CN 202110445991A CN 113334682 B CN113334682 B CN 113334682B
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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
- B29C45/581—Devices for influencing the material flow, e.g. "torpedo constructions" or mixing devices
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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
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of casting molds and discloses an injection molding device for molding a plastic grinding tool. Make blevile of push the inside plastics under the state of melting of in-process discharging pipe that pushes away the material flow to the inside of mould, the pressure that the current limiting device was inside this moment is less and through the thrust that the discharge hole received and the elasticity of current-limiting spring when corresponding completely with the high pressure discharge hole balance each other, thereby make the discharge pipe move to self be in the high pressure discharge hole completely and make the plastics under the state of melting can't flow out from the discharge hole, make the plastics under the state of melting only can flow into the mould through the discharging pipe, thereby guarantee to have sufficient plastics to enter into the mould, avoid appearing the not enough bubble or the not fashioned problem of finished product in the finished product that leads to appearing of feed, stability when having improved the device feed.
Description
Technical Field
The invention relates to the technical field of casting molds, in particular to an injection molding device for molding a plastic grinding tool.
Background
In the production process of plastic products, an injection molding machine for one-step molding of plastics is needed, the injection molding machine melts plastic particles by heating the plastic particles, the pushing device is utilized to push the plastic in a melting state into a mold, so that the plastic in the melting state can be directly molded in the mold, and the plastic in the melting state is solidified by a cooling means, so that demolding is realized.
The injection molding machine with the traditional structure still has certain limitation in the using process, the type of a product needs to be replaced in daily production, the type of a mould used by the injection molding machine needs to be replaced, the stroke distance of the material pushing device needs to be adjusted after replacement, the device is complex to operate when the mould is replaced, if the adjustment is forgotten or the adjustment value is deviated, the problems that the plastic in the mould overflows due to large injection quantity or excessive bubbles or incomplete forming occur in the plastic in the mould due to too small injection quantity occur, and a flow limiting device consisting of small pipelines is often integrated on the material pushing device in the traditional injection molding machine, the pipeline contents are easily blocked by solidified plastic to cause abnormal material pushing function, and the device is installed in the material guide pipe to cause great difficulty in maintenance, in view of the above, the present application provides an injection molding device for molding a plastic mold, which aims to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects of the existing injection molding device for molding the plastic grinding tool in the background technology in the using process, the invention provides the injection molding device for molding the plastic grinding tool, which has the advantage that the stroke distance of a material pushing device is not required to be adjusted when the grinding tool is replaced, and solves the problem of complicated operation caused by the fact that the stroke distance of the material pushing device is also required to be adjusted after the grinding tool is replaced by the traditional equipment.
The invention provides the following technical scheme: the utility model provides a device of moulding plastics for plastics grinding apparatus shaping, includes the conveying pipeline, the blevile of push has been cup jointed in the inside activity of conveying pipeline, the one end fixed mounting of conveying pipeline has the power storehouse, the inside fixed mounting of power storehouse has flexible commentaries on classics machine, the one end of flexible commentaries on classics machine output shaft and blevile of push's one end fixed connection, the top fixed mounting who sets up circular through-hole and circular through-hole on the position that the conveying pipeline surface is close to one end has into the feed cylinder, the other end fixed mounting of conveying pipeline has the discharging pipe, the one end fixed mounting that circular through-hole and this circular through-hole were seted up to the both sides of discharging pipe surface has current limiting device, current limiting device's one end fixed mounting has the other end of current-limiting pipe and the fixed surface connection of conveying pipeline.
Preferably, the pushing device comprises a pushing rod, a pushing thread piece is fixedly mounted on the outer surface of the pushing rod, a pushing block is fixedly mounted at one end of the pushing rod, and the other end of the pushing rod is fixedly known with one end of an output shaft of the telescopic rotating machine.
Preferably, the fixed connection position of the other end of the flow limiting pipe and the outer surface of the material conveying pipe penetrates through the material conveying pipe and is communicated with the inner cavity of the material conveying pipe, and the communication position is located on one side of the stroke limit of the material pushing block.
Preferably, the flow limiting device comprises a flow limiting shell, a fixed annular plate is fixedly installed at one end of an inner cavity of the flow limiting shell, a flow plate is fixedly installed at a position, close to the other end, of the inner cavity of the flow limiting shell, a sliding guide rail is arranged in the inner cavity of the flow limiting shell, the number of the sliding guide rail is four, a stroke plate is movably installed in the inner cavity of the flow limiting shell through the sliding guide rail, a flow limiting spring is fixedly installed at one side of the fixed annular plate, one end of the flow limiting spring is fixedly connected with the stroke plate, an arc-shaped through hole is formed at one side of the stroke plate, a flow device is fixedly installed at one end of the arc-shaped through hole, a flow hole is formed at a position, located at the center, of one side of the flow plate, a high-pressure discharge hole is formed at a position, located at the outer side of the flow hole, the high-pressure discharge hole, the number of the high-pressure discharge hole is four, and a flow blocking sleeve is fixedly installed at one end of the high-pressure discharge hole, one end of the flow-limiting shell is fixedly provided with an outflow inclined tube, and one end of the outflow inclined tube is fixedly connected with the flow-limiting tube.
Preferably, the circulation device comprises a circulation pipe, an outflow pipe is fixedly installed at one end of the circulation pipe, and an outflow hole is formed in one side of the outflow pipe.
Preferably, the outflow pipe is movably sleeved with the high-pressure discharge hole.
Preferably, the thrust force applied to the stroke plate when the outflow hole is completely corresponding to the high-pressure discharge hole is balanced with the elastic force of the restriction spring.
The invention has the following beneficial effects:
1. according to the invention, the circular through holes are formed on two sides of the outer surface of the discharge pipe, and the flow limiting device is fixedly arranged at one end of the circular through hole, so that plastic in a molten state in the discharge pipe flows into the die in the process of pushing the material by the material pushing device, the pressure in the flow limiting device is lower at the moment, and the thrust force borne by the stroke plate and the elastic force of the flow limiting spring are balanced when the flow outlet hole completely corresponds to the high-pressure discharge hole through the flow outlet hole, so that the flow outlet pipe moves to be completely positioned in the high-pressure discharge hole and the plastic in the molten state cannot flow out of the flow outlet hole, the plastic in the molten state can only flow into the die through the discharge pipe, sufficient plastic is ensured to enter the die, the problem that bubbles appear in a finished product or the finished product is not molded due to insufficient material supply is avoided, the stability of the device during material supply is improved, and when the die is filled with liquid plastic, the plastic in the molten state can not flow into the die from the discharge pipe at the moment, so that the pressure inside the flow limiting device is increased, the thrust received by the stroke plate is greater than the elastic force of the flow limiting spring, the circulation device is further moved, the outflow pipe extends out of the high-pressure discharge hole, the liquid plastic can flow back to the inside of the discharge pipe through the outflow inclined plane pipe and the flow limiting pipe, the problem that the plastic in a grinding tool is removed when the material pushing device supplies too much is avoided, and the anti-overflow effect of the device is improved.
2. According to the invention, the circulating device further moves and the outflow pipe extends out of the high-pressure discharge hole, so that the pressure inside the flow limiting device is reduced in the process of retracting the pushing device, the elastic force of the flow limiting spring at the moment is greater than the pressure on the surface of the stroke plate, the stroke plate is reset, and meanwhile, the plastic in the molten state inside the flow limiting device flows back to the inside of the discharge pipe under the action of retraction, so that the problem that the plastic in the molten state inside the grinding tool is sucked back to cause incomplete forming of a finished product after demoulding due to the action of negative pressure generated in the process of retracting the pushing device on the inside of the grinding tool is avoided, the retraction and suction functions of the device are improved, and in addition, the waiting time required by the pushing device to retract after the plastic is injected into the mould by the original equipment and the plastic is solidified is effectively avoided.
3. According to the invention, when the mold is filled with liquid plastic, the liquid plastic can flow back to the conveying pipe through the outflow inclined tube and the flow limiting tube, so that the stroke distance of the material pushing device is not required to be adjusted after the mold is replaced, the problem that the device is complicated to use due to the fact that the type of the mold used by the original injection molding machine needs to be replaced and the stroke distance of the material pushing device needs to be adjusted after the mold is replaced is solved, and the use difficulty of the device is reduced.
4. According to the invention, when the material pushing device pushes the material, the liquid plastic flows back to the material conveying pipe through the outflow inclined tube and the flow limiting tube, and the stroke plate is reset when the material pushing device retreats, so that the liquid plastic flows back to the inside of the flow limiting shell through the flow limiting tube, the liquid plastic in the flow limiting tube is always in a flowing state, the problem that the function of the device is failed due to the fact that the flow limiting tube is blocked due to solidification caused by the lack of sufficient heating equipment caused by the plastic in the flow limiting tube is avoided, and the stability of the device in operation is improved.
5. According to the invention, the material pushing block is fixedly arranged at one end of the material pushing rod, compared with the traditional material pushing device in the injection molding machine which is often integrated with the flow limiting device consisting of a tiny pipeline, the problem that the material pushing device is easy to block is solved, the material pushing rod of the device does not need the flow limiting device, the feeding and the returning of liquid plastic can be completed only through the flow limiting device, the flow limiting device can be directly disassembled when the problem occurs, and compared with the traditional device, the material conveying pipe does not need to be disassembled, and the maintenance steps of the device are simplified.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional front view of the structure of the present invention;
FIG. 3 is a schematic top cross-sectional view of the structure of the present invention;
FIG. 4 is a schematic view of the pusher assembly of the present invention;
FIG. 5 is an enlarged view of the point A in FIG. 3 according to the present invention;
FIG. 6 is a schematic view of a current limiting device of the present invention;
FIG. 7 is a schematic cross-sectional view of a flow-limiting device of the present invention;
FIG. 8 is an enlarged view of the point B in FIG. 7 according to the present invention.
In the figure: 1. a delivery pipe; 2. a material pushing device; 21. a material pushing rod; 22. pushing threaded pieces; 23. a material pushing block; 3. a power bin; 4. a telescopic rotating machine; 5. feeding into a charging barrel; 6. a discharge pipe; 7. a current limiting device; 71. a current limiting housing; 72. fixing the annular plate; 73. a flow-through plate; 74. a sliding guide rail; 75. a stroke plate; 76. a current limiting spring; 77. a flow-through device; 771. a flow-through tube; 772. an outflow tube; 773. outflow holes 78, flow holes; 79. a high pressure discharge port; 710. a flow-impeding sleeve; 711. the flow-out inclined plane pipe; 8. a current limiting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
Referring to fig. 1-7, an injection molding device for molding a plastic grinding tool comprises a material conveying pipe 1, a material pushing device 2 is movably sleeved inside the material conveying pipe 1, the material pushing device 2 comprises a material pushing rod 21, a material pushing thread sheet 22 is fixedly installed on the outer surface of the material pushing rod 21, a material pushing block 23 is fixedly installed at one end of the material pushing rod 21, the other end of the material pushing rod 21 is fixedly connected with one end of an output shaft of a telescopic rotating machine 4, a power bin 3 is fixedly installed at one end of the material conveying pipe 1, the telescopic rotating machine 4 is fixedly installed inside the power bin 3, one end of the output shaft of the telescopic rotating machine 4 is fixedly connected with one end of the material pushing device 2, a circular through hole is formed on the outer surface of the material conveying pipe 1 near one end, a material feeding barrel 5 is fixedly installed at the top of the circular through hole, a material discharging pipe 6 is fixedly installed at the other end of the material conveying pipe 1, circular through holes are formed on two sides of the outer surface of the material discharging pipe 6, and a current limiting device 7 is fixedly installed at one end of the circular through hole, flow-limiting device 7 includes flow-limiting shell 71, one end fixed mounting of flow-limiting shell 71 inner chamber has solid fixed ring shaped plate 72, fixed mounting has flow plate 73 on the position that flow-limiting shell 71 inner chamber is close to the other end, sliding guide 74 and the quantity of sliding guide 74 are seted up to flow-limiting shell 71's inner chamber is four, flow-limiting shell 71 inner chamber has stroke plate 75 through sliding guide 74 movable mounting, one side fixed mounting of solid fixed ring shaped plate 72 has current-limiting spring 76 and current-limiting spring 76's one end and stroke plate 75 fixed connection, arc through-hole and the one end fixed mounting of this arc through-hole have circulating device 77 have been seted up to one side of stroke plate 75, circulating device 77 includes runner pipe 771, the one end fixed mounting of runner pipe 771 has outlet pipe 772, outlet 773 has been seted up to one side of outlet pipe 772, runner plate 73 one side has seted up flow hole 78 on the position that is located the center, position that runner plate 73 one side is located on the outside of runner hole 78 has seted up high pressure discharge hole 79 and high pressure discharge hole 79 is discharged to high pressure discharge hole 79 The number of the flow-limiting pipes is four, the flow-out pipe 772 is movably sleeved with the high-pressure discharge hole 79, a flow-limiting sleeve 710 is fixedly installed at one end of the high-pressure discharge hole 79, an flow-out inclined pipe 711 is fixedly installed at one end of the flow-limiting shell 71, when the flow-out hole 773 completely corresponds to the high-pressure discharge hole 79, the thrust force borne by the stroke plate 75 is balanced with the elastic force of the flow-limiting spring 76, one end of the flow-out inclined pipe 711 is fixedly connected with the flow-limiting pipe 8, one end of the flow-limiting device 7 is fixedly installed with the flow-limiting pipe 8, the other end of the flow-limiting pipe 8 is fixedly connected with the outer surface of the feed delivery pipe 1, the fixed connection position of the other end of the flow-limiting pipe 8 and the outer surface of the feed delivery pipe 1 penetrates through the feed delivery pipe 1 and is communicated with the inner cavity of the feed delivery pipe 1, and the communication position is located at one side of the stroke limit of the thrust block 23.
Wherein, circular through holes are arranged on two sides of the outer surface of the discharge pipe 6, and a flow limiting device 7 is fixedly arranged at one end of the circular through hole, so that the plastic in the discharge pipe 6 in a melting state flows to the inside of the mold in the process of pushing the material by the material pushing device 2, at the moment, the pressure inside the flow limiting device 7 is small, the thrust force borne by the stroke plate 75 and the elastic force of the flow limiting spring 76 are balanced when the pressure inside the flow limiting device 7 completely corresponds to the high-pressure discharge hole 79 through the outflow hole 773, so that the outflow pipe 772 moves to be completely positioned in the high-pressure discharge hole 79 and the plastic in the melting state can not flow out from the outflow hole 773, the plastic in the melting state can only flow into the mold through the discharge pipe 6, thereby ensuring that sufficient plastic enters into the mold, avoiding the problem of bubbles in a finished product caused by insufficient feeding or non-molding of the finished product, and improving the stability of the device during feeding, when the mold is filled with liquid plastic, the plastic in a melted state cannot flow into the mold from the discharge pipe 6, so that the pressure inside the flow limiting device 7 is increased, the thrust force received by the stroke plate 75 is greater than the elastic force of the flow limiting spring 76, the circulating device 77 is further moved, the outflow pipe 772 extends out of the high-pressure discharge hole 79, the liquid plastic can flow back to the inside of the feed conveying pipe 1 through the outflow inclined pipe 711 and the flow limiting pipe 8, the problem that the plastic in the grinding tool is removed when the material pushing device supplies too much is solved, and the anti-overflow effect of the device is improved.
Wherein further displacement occurs by the flow-through device 77 and the outflow conduit 772 projects from the high pressure discharge orifice 79, so that the pressure inside the flow limiting device 7 is reduced in the process of retracting the pushing device 2, the elasticity of the flow limiting spring 76 is larger than the pressure on the surface of the stroke plate 75 at the moment, the stroke plate 75 is reset, meanwhile, the plastic in the melted state in the flow limiting device 7 flows back to the inside of the discharge pipe 6 under the action of retraction, so that the problem that the plastic in the melted state in the grinding tool is sucked back to cause incomplete forming of a finished product after demoulding due to the fact that the negative pressure generated in the retraction process of the material pushing device 2 acts on the inside of the grinding tool is avoided, the retraction function of the device is improved, in addition, the function also effectively avoids the waiting time for the original equipment to retreat the material pushing device after the plastic is injected into the mould and the plastic is solidified.
When the mold is filled with liquid plastic, the liquid plastic can flow back to the conveying pipe 1 through the outflow inclined tube 711 and the flow limiting tube 8, so that the stroke distance of the material pushing device 2 is not required to be adjusted after the mold is replaced, the problem that the device is complex to use due to the fact that the stroke distance of the material pushing device needs to be adjusted after the mold is replaced and the type of the mold used by the original injection molding machine needs to be replaced is solved, and the use difficulty of the device is reduced.
When the pushing device 2 pushes materials, liquid plastic flows back to the conveying pipe 1 through the outflow inclined tube 711 and the flow limiting tube 8, the stroke plate 75 resets when the pushing device 2 retracts, so that the liquid plastic flows back to the inside of the flow limiting shell 71 through the flow limiting tube 8, the liquid plastic inside the flow limiting tube 8 is always in a flowing state, the problem that the flow limiting tube 8 is blocked due to the fact that the plastic inside the flow limiting tube 8 is solidified due to lack of sufficient heating equipment is solved, and the functional failure of the device is solved, and the running stability of the device is improved.
Wherein, there is ejector pad 23 through the one end fixed mounting of ejector beam 21, often integrate the current limiting device who has tiny pipeline to constitute on the blevile of push in traditional injection molding machine and make its easy problem that appears blockking, no longer need the current limiting device in the ejector beam 21 of this equipment, only can accomplish the feeding and the feed back of liquid plastics through current limiting device 7 device, and current limiting device 7 goes wrong and can directly dismantle, no longer need dismantle the conveying pipeline in traditional equipment, simplified the step of the maintenance of device.
The using method of the invention is as follows:
in the using process, the plastic in the melting state in the discharging pipe 6 flows to the inside of the mold when the pushing device 2 pushes the material, at this time, the pressure inside the flow-limiting device 7 is low, the pushing force applied to the stroke plate 75 when the pressure inside the flow-limiting device 7 completely corresponds to the high-pressure discharging hole 79 through the outflow hole 773 is balanced with the elastic force of the flow-limiting spring 76, so that the outflow pipe 772 moves to be completely positioned in the high-pressure discharging hole 79, the plastic in the melting state cannot flow out of the outflow hole 773, the plastic in the melting state can only flow into the mold through the discharging pipe 6, thereby ensuring that sufficient plastic enters into the mold, when the mold is filled with the liquid plastic, the plastic in the melting state cannot flow into the mold from the discharging pipe 6, thereby causing the pressure inside the flow-limiting device 7 to be increased, and the pushing force applied to the stroke plate 75 is greater than the elastic force of the flow-limiting spring 76, the circulation device 77 is further moved, the outflow pipe 772 extends out of the high-pressure discharge hole 79, liquid plastic can flow back to the inside of the feed delivery pipe 1 through the outflow inclined plane pipe 711 and the flow limiting pipe 8, the pressure inside the flow limiting device 7 is reduced in the process of retracting the pushing device 2, the elasticity of the flow limiting spring 76 is larger than the pressure on the surface of the stroke plate 75 at the moment, the stroke plate 75 is reset, meanwhile, the plastic in the molten state inside the flow limiting device 7 flows back to the inside of the discharge pipe 6 under the retracting action, the liquid plastic can flow back to the feed delivery pipe 1 through the outflow inclined plane pipe 711 and the flow limiting pipe 8, and therefore the stroke distance of the pushing device 2 does not need to be adjusted any more after the die of the device is replaced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a device of moulding plastics for plastic grinding apparatus is fashioned, includes conveying pipeline (1), its characterized in that: blevile of push (2) has been cup jointed in the inside activity of conveying pipeline (1), the one end fixed mounting of conveying pipeline (1) has power storehouse (3), the inside fixed mounting of power storehouse (3) has flexible commentaries on classics machine (4), the one end of flexible commentaries on classics machine (4) output shaft and the one end fixed connection of blevile of push (2), the top fixed mounting who has seted up circular through-hole and circular through-hole on the position that the surface of conveying pipeline (1) is close to one end has into feed cylinder (5), the other end fixed mounting of conveying pipeline (1) has discharging pipe (6), the one end fixed mounting that circular through-hole and this circular through-hole had been seted up to the both sides of discharging pipe (6) surface has current limiting device (7), current limiting device (7) include current-limiting shell (71), the one end fixed mounting of current-limiting shell (71) inner chamber has fixed ring shape board (72), the flow limiting device is characterized in that a flow plate (73) is fixedly mounted at a position, close to the other end, of an inner cavity of the flow limiting shell (71), a sliding guide rail (74) is arranged in the inner cavity of the flow limiting shell (71), the number of the sliding guide rail (74) is four, a stroke plate (75) is movably mounted in the inner cavity of the flow limiting shell (71) through the sliding guide rail (74), one side of a fixed annular plate (72) is fixedly provided with a flow limiting spring (76) and one end of the flow limiting spring (76) is fixedly connected with the stroke plate (75), one side of the stroke plate (75) is provided with an arc-shaped through hole, one end of the arc-shaped through hole is fixedly provided with a flow device (77), the flow device (77) comprises a flow pipe (771), one end of the flow pipe (771) is fixedly provided with an outflow pipe (772), one side of the outflow pipe (772) is provided with an outflow hole (773), one side of the flow plate (73) is provided with the flow hole (78) at a position located at the center, the utility model discloses a flow limiting device, including flow plate (73), flow limit shell (71), flow limit tube (8), flow limiting device (7), the quantity of high pressure discharge hole (79) and high pressure discharge hole (79) has been seted up to flow plate (73) one side and be located the position in flow hole (78) outside is four, the one end fixed mounting of high pressure discharge hole (79) has choked flow sleeve pipe (710), the one end fixed mounting of current-limiting shell (71) has outflow inclined plane pipe (711), the one end and the current-limiting tube (8) fixed connection of outflow inclined plane pipe (711), the one end fixed mounting of current-limiting device (7) has the other end and the outer fixed surface connection of conveying pipeline (1) of current-limiting tube (8) and current-limiting tube (8).
2. An injection molding apparatus for molding a plastic grinding tool according to claim 1, wherein: the material pushing device (2) comprises a material pushing rod (21), a material pushing thread piece (22) is fixedly mounted on the outer surface of the material pushing rod (21), a material pushing block (23) is fixedly mounted at one end of the material pushing rod (21), and the other end of the material pushing rod (21) is fixedly connected with one end of an output shaft of the telescopic rotating machine (4).
3. An injection molding apparatus for molding a plastic grinding tool according to claim 1, wherein: the other end of the flow limiting pipe (8) is fixedly connected with the outer surface of the material conveying pipe (1) and penetrates through the material conveying pipe (1), the other end of the flow limiting pipe is communicated with the inner cavity of the material conveying pipe (1), and the communication position of the flow limiting pipe and the inner cavity of the material conveying pipe is located on one side of the stroke limit of the material pushing block (23).
4. An injection molding apparatus for molding a plastic grinding tool according to claim 1, wherein: the outflow pipe (772) is movably sleeved with the high-pressure discharge hole (79).
5. An injection molding apparatus for molding a plastic grinding tool according to claim 1, wherein: the thrust force applied to the stroke plate (75) when the outflow hole (773) completely corresponds to the high-pressure discharge hole (79) is balanced with the elastic force of the flow limiting spring (76).
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| CN202110445991.4A CN113334682B (en) | 2021-04-25 | 2021-04-25 | Injection molding device for molding plastic grinding tool |
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| CN115837721B (en) * | 2022-11-10 | 2023-12-08 | 徐州腾飞工程塑料有限公司 | Composite nylon particle extrusion device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906009A (en) * | 2004-01-23 | 2007-01-31 | 赫斯基注射器成型系统有限公司 | Injection molding method and apparatus for continuous plastication |
| CN101007437A (en) * | 2007-01-18 | 2007-08-01 | 东华机械有限公司 | High speed injecting molding method by counter pressure method and chemical foaming method |
| CN206085574U (en) * | 2016-09-19 | 2017-04-12 | 佛山市顺德区容桂创和模具制造厂（普通合伙） | Injection mold annotates material mechanism |
| CN210733155U (en) * | 2019-10-14 | 2020-06-12 | 温州海航机械有限公司 | Cut many packing plant of material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370518A (en) * | 1992-01-29 | 1994-12-06 | Kabushiki Kaisha Komatsu Seisakusho | Apparatus for injection and compression molding |
| DE10300101A1 (en) * | 2003-01-07 | 2004-07-22 | Hennecke Gmbh | Process for the production of molded polyurethane parts |
| CN101380798B (en) * | 2008-10-16 | 2011-07-20 | 吉林大学珠海学院 | Micropore injection molding apparatus |
| CN209566435U (en) * | 2019-03-01 | 2019-11-01 | 佛山市台进精密机械有限公司 | A kind of high-accuracy double coloured plastic injection machine that V-type is laid |
-
2021
- 2021-04-25 CN CN202110445991.4A patent/CN113334682B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906009A (en) * | 2004-01-23 | 2007-01-31 | 赫斯基注射器成型系统有限公司 | Injection molding method and apparatus for continuous plastication |
| CN101007437A (en) * | 2007-01-18 | 2007-08-01 | 东华机械有限公司 | High speed injecting molding method by counter pressure method and chemical foaming method |
| CN206085574U (en) * | 2016-09-19 | 2017-04-12 | 佛山市顺德区容桂创和模具制造厂（普通合伙） | Injection mold annotates material mechanism |
| CN210733155U (en) * | 2019-10-14 | 2020-06-12 | 温州海航机械有限公司 | Cut many packing plant of material |
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| CN113334682A (en) | 2021-09-03 |
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Effective date of registration: 20211203 Address after: 215300 building a, No. 19, Taihong Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Kunshan jiahexing Electronic Technology Co.,Ltd. Address before: 230000 Xindi center C building 1604-1068, intersection of Qimen road and Qianshan Road, Shushan District, Hefei City, Anhui Province Applicant before: Hefei Zuoxin Technology Co.,Ltd. |
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Denomination of invention: An Injection Molding Device for Plastic Abrasives Effective date of registration: 20221122 Granted publication date: 20211221 Pledgee: Jiangsu Kunshan Rural Commercial Bank Co.,Ltd. Yushan Sub branch Pledgor: Kunshan jiahexing Electronic Technology Co.,Ltd. Registration number: Y2022320010712 |