CN114261068A - Integrated injection molding production line and injection molding method - Google Patents
Integrated injection molding production line and injection molding method Download PDFInfo
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- CN114261068A CN114261068A CN202111625486.4A CN202111625486A CN114261068A CN 114261068 A CN114261068 A CN 114261068A CN 202111625486 A CN202111625486 A CN 202111625486A CN 114261068 A CN114261068 A CN 114261068A
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Abstract
The invention relates to the technical field of injection production lines, and discloses an integrated injection production line and an injection molding method, which comprise a production table for installing the injection production line, wherein a charging barrel is arranged above the production table, a conveying screw rod for conveying molten plastics is arranged in the charging barrel, a fixed die holder and a movable die holder for molding an injection molding piece are arranged above the production table, the top of the production table is fixedly connected with an installation seat, the fixed die holder is fixed on one side of the installation seat, and the fixed die holder is provided with a cavity which can be filled with the molten plastics; with mouth of a river cover and cover half seat separation design to seted up oblique mouth of a river runner in the mouth of a river cover, make the mouth of a river cover separate by in the cover half seat, the heating cylinder heats the mouth of a river material in the mouth of a river cover and melts, the sizing material can be along oblique mouth of a river runner discharge to the heating cylinder in, then by the back flow let in the feed cylinder in reuse, not only reduced the process of later stage to the excision of mouth of a river material, and can directly carry out reuse with the mouth of a river material after the cutting.
Description
Technical Field
The invention relates to the technical field of injection molding production lines, in particular to an integrated injection molding production line and an injection molding method.
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 materials into plastic products with various shapes by using a plastic molding die, and the injection molding machine is widely applied to various national economy departments such as buildings, packages, electrical and electronic equipment, agriculture, automobiles, traffic industry, light industry, petrochemical industry, mechanical industry, national defense industry and the like and various fields of people's life, and plays an extremely important role.
The injection molding machine is by penetrating in the mouth extrudeing injection mold with molten plastics, and the runner injecting glue injection that molten plastics passes through in the mould is gone into and is produced the product die cavity, can produce the sizing material in its runner part, produces the mouth of a river material, and after the ejecting injection molding of mould, the later stage need be to the excision of mouth of a river material, recycles, has not only increased the process in later stage, and makes the effect that the blank utilized relatively poor.
Disclosure of Invention
The invention aims to provide an integrated injection molding production line and an injection molding method, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an integrated injection production line comprises a production table for installation of the injection production line, a feed cylinder is arranged above the production table, a conveying screw rod for conveying molten plastic is arranged in the feed cylinder, a fixed die seat and a movable die seat for molding injection parts are arranged above the production table, the top of the production table is fixedly connected with the installation seat, the fixed die seat is fixed on one side of the installation seat, the fixed die seat is provided with a cavity which can be filled with the molten plastic, one side of the fixed die seat close to the feed cylinder is provided with a water gap sleeve which can be separated from the fixed die seat, the inner side of the water gap sleeve is provided with a cutting component for cutting the water gap material, the water gap sleeve is provided with an inclined water gap flow channel which is communicated with the cavity, the front side of the feed cylinder is fixedly connected with a heating cylinder, the water gap material is cut by the cutting component, so that the water gap sleeve is separated from the inside of the fixed die seat, and a return pipe is arranged below the heating cylinder and used for achieving the purposes that the heating water gap material is discharged from the inclined water gap flow channel and flows back into the charging cylinder through the return pipe for reutilization.
As a still further scheme of the invention: the mouth of a river cover is close to one side fixedly connected with laminating dish of feed cylinder, laminating dish one side fixedly connected with butt joint section of thick bamboo, the discharge gate has been seted up to the feed cylinder, butt joint section of thick bamboo slides in the discharge gate.
As a still further scheme of the invention: the inclined angle of the inclined nozzle runner is ten to fifteen degrees.
As a still further scheme of the invention: the material cutting assembly comprises a second cylinder, a connecting piece and a circular cutter, the water port sleeve is provided with an installation cavity, the second cylinder is fixedly installed in the installation cavity, the connecting piece is fixed on the output end of the second cylinder, the circular cutter is fixed in the connecting piece, and the central axis of the connecting piece coincides with the central axis of the butt joint barrel.
As a still further scheme of the invention: the fixed die base is provided with a water gap groove which is matched and connected with the water gap sleeve, and one end of the water gap sleeve penetrates through the heating cylinder.
As a still further scheme of the invention: the outer side of the water gap sleeve is provided with a first air cylinder used for driving the water gap sleeve to move, the output end of the first air cylinder is fixedly connected with a driving column, and one end of the driving column is located in the heating cylinder and fixed on the side end face of the laminating plate.
As a still further scheme of the invention: the heating cylinder is provided with a groove, the first air cylinder is fixedly installed on the groove, and the heating cylinder is provided with a sliding groove matched with the driving column.
As a still further scheme of the invention: one end of the return pipe is connected with the heating cylinder in a sealing manner, the other end of the return pipe is connected with the charging cylinder in a sealing manner, and the return pipe is fixedly provided with a one-way valve.
As a further aspect of the present invention, an injection molding method for an integrated injection molding line includes a use method in the following cases:
a: firstly, molten plastic is positioned in the charging barrel and is conveyed under the action of the conveying screw rod, the molten plastic is introduced into the cavity through the butt-joint barrel and the inclined water gap flow passage for injection molding, the injection molding is finished, the cutting assembly is started to cut off water gap materials, and at the moment, the movable die holder is opened to eject out an injection molding piece;
b: then starting the first air cylinder to drive the water gap sleeve to be separated from the fixed die holder, heating the water gap sleeve by the heating cylinder to raise the temperature, melting the water gap material in the inclined water gap flow channel, sliding the molten water gap material in the heating cylinder along the inclined water gap flow channel, and driving the water gap sleeve to be in butt joint with the water gap groove by the first air cylinder to perform next injection molding;
c: and the molten plastic in the heating cylinder is discharged into the charging barrel through the return pipe, so that the purpose of returning the molten plastic into the charging barrel for reuse is fulfilled.
Compared with the prior art, the invention has the beneficial effects that:
with mouth of a river cover and cover half seat separation design, and seted up oblique mouth of a river runner in the mouth of a river cover, the part of moulding plastics through circular cutter convection current way cuts, and circular cutter can be enclosing the runner, can not influence the circulation of sizing material, make the mouth of a river cover by the separation in the cover half seat, the heating cylinder heats the melting to the mouth of a river material in the mouth of a river cover, the sizing material can be along oblique mouth of a river runner discharge to the heating cylinder in, then let in the feed cylinder by the back flow in reuse, the process of later stage to the excision of mouth of a river material has not only been reduced, and can directly carry out reuse with the mouth of a river material after the cutting.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an integrated injection molding line and an injection molding method;
FIG. 2 is a schematic structural diagram of a fixed mold base and a movable mold base in an integrated injection molding production line and an injection molding method;
FIG. 3 is a cross-sectional view of an integrated injection molding line and injection molding method;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural diagram of a circular cutter in an integrated injection molding production line and an injection molding method;
FIG. 6 is a schematic view showing a state in which a sprue bush is separated in an integrated injection molding line and an injection molding method;
FIG. 7 is a schematic structural diagram of an integrated injection molding line and a return pipe in an injection molding method.
In the figure: 1. a production platform; 11. a charging barrel; 111. a conveying screw; 112. a discharge port; 12. a mounting seat; 13. fixing a die holder; 131. a cavity; 132. a water gap groove; 14. a movable die holder; 2. a water gap sleeve; 201. an inclined water gap flow channel; 202. a mounting cavity; 21. a first cylinder; 22. a drive column; 23. a docking barrel; 24. a gluing plate; 3. a material cutting assembly; 31. a second cylinder; 32. connecting sheets; 33. a circular cutter; 4. a heating cylinder; 401. a groove; 402. a chute; 5. a return pipe; 51. a one-way valve.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 7, in the embodiment of the present invention, an integrated injection molding line includes a production table 1 for installing the injection molding line, a material barrel 11 is disposed above the production table 1, a conveying screw 111 for conveying molten plastic is disposed in the material barrel 11, a fixed mold base 13 and a movable mold base 14 for molding an injection molding piece are disposed above the production table 1, a mounting base 12 is fixedly connected to the top of the production table 1, the fixed mold base 13 is fixed to one side of the mounting base 12, the fixed mold base 13 has a cavity 131 filled with molten plastic, a water gap sleeve 2 separable from the fixed mold base 13 is disposed on one side of the fixed mold base 13 close to the material barrel 11, a material cutting assembly 3 for cutting the water gap material is disposed on the inner side of the water gap sleeve 2, an inclined water gap flow channel 201 is disposed on the water gap sleeve 2, the inclined water gap flow channel 201 is communicated with the cavity 131, a heating cylinder 4 is fixedly connected to the front side of the material barrel 11, the water gap material is cut by the material cutting assembly 3, the nozzle sleeve 2 is separated from the fixed die base 13, and the return pipe 5 is arranged below the heating cylinder 4 and used for achieving the purposes that the heating nozzle material is discharged from the inclined nozzle runner 201 and flows back to the charging cylinder 11 through the return pipe 5 for reuse.
In fig. one and fig. two: the production table is characterized in that a charging barrel 11 is arranged above the production table 1, a conveying screw 111 used for conveying molten plastics is arranged in the charging barrel 11, a fixed die base 13 and a movable die base 14 used for molding injection molding parts are arranged above the production table 1, the top of the production table 1 is fixedly connected with an installation base 12, the fixed die base 13 is fixed on one side of the installation base 12, the fixed die base 13 is provided with a cavity 131 which can be filled with the molten plastics, when the whole injection molding production line works, the molten plastics are firstly positioned in the charging barrel 11 and conveyed under the action of the conveying screw 111, the molten plastics are introduced into the cavity 131 for injection molding, the injection molding is completed, the movable die base 14 is opened, the injection molding parts are ejected, and the purpose of completing the production is achieved.
In fig. three, fig. four, fig. five and fig. six: the nozzle sleeve 2 is provided with an inclined nozzle runner 201, the inclined nozzle runner 201 is communicated with the cavity 131, the front side of the charging barrel 11 is fixedly connected with a heating barrel 4, when molten plastic is injected into the cavity 131 through the butting sleeve 23 and the inclined nozzle runner 201, the injection molding is completed, the cutting assembly 3 is started to cut off the nozzle material, the cutting assembly 3 comprises a second cylinder 31, a connecting sheet 32 and a circular cutter 33, the nozzle sleeve 2 is provided with an installation cavity 202, the second cylinder 31 is fixedly installed in the installation cavity 202, the connecting sheet 32 is fixed on the output end of the second cylinder 31, the circular cutter 33 is fixed in the connecting sheet 32, the central axis of the connecting sheet 32 is coincided with the central axis of the butting sleeve 23, the circular cutter 33 is connected by the connecting sheet 32, the connecting sheet 32 can be conveniently sealed in the nozzle sleeve 2, when the nozzle sleeve moves, the nozzle sleeve can move in the nozzle sleeve 2, the internal runner is not influenced, and the second cylinder 31 is started, the second cylinder 31 is a high temperature resistant micro cylinder, the second cylinder 31 can drive the circular cutter 33 to move in the nozzle sleeve 2, when the circular cutter 33 acts on the inclined nozzle runner 201, the injection nozzle material can be cut off, the injection molding part is separated from the nozzle material, the injection molding part of the runner is cut by the circular cutter 33, the runner can be surrounded by the circular cutter 33, the circulation of the sizing material can not be affected, the fixed die base 13 is provided with a nozzle groove 132 matched and connected with the nozzle sleeve 2, one end of the nozzle sleeve 2 penetrates through the heating cylinder 4, one side of the nozzle sleeve 2 close to the charging barrel 11 is fixedly connected with the attaching disc 24, when the nozzle sleeve 2 is positioned in the nozzle groove 132, the attaching disc 24 can be attached to the end face of the fixed die base 13, the nozzle sleeve 2 is stable in movement, one side of the attaching disc 24 is fixedly connected with the butt-joint barrel 23, the charging barrel 11 is provided with the discharging port 112, the butt-joint barrel 23 slides in the discharging port 112, the outer side of the water gap sleeve 2 is provided with a first air cylinder 21 for driving the water gap sleeve 2 to move, the output end of the first air cylinder 21 is fixedly connected with a driving column 22, one end of the driving column 22 is positioned in the heating cylinder 4 and is fixed on the end face of the side of the laminating disc 24, the heating cylinder 4 is provided with a groove 401, the first air cylinder 21 is fixedly arranged on the groove 401, the groove 401 can be conveniently connected with the first air cylinder 21, the volume of the heating cylinder 4 is reduced, the water gap sleeve 2 is conveniently heated, the heating cylinder 4 is provided with a chute 402 matched with the driving column 22, the first air cylinder 21 is started, the first air cylinder 21 is a high-temperature resistant micro air cylinder, the water gap sleeve 2 is driven to be separated from the fixed die seat 13, the driving column 22 can move along the chute 402, the butt-joint cylinder 23 can move along the discharge port 112, the glue can be butt-jointed into a die, the glue can move through the discharge port 112 in a matching way, and the movement of the water gap sleeve 2 can be positioned, by heating the rising temperature of cartridge heater 4, make the mouth of a river cover 2 of separating heat, can not influence the cooling module in the mould, can set up the electric heating wire who is used for the heating in the cartridge heater 4, electric heating wire starts, then be used for rising the temperature in the cartridge heater 4, electric heating wire closes, then stop work, mouth of a river material melting in the mouth of a river runner 201 to one side, mouth of a river runner 201 inclination is ten to fifteen degrees to one side, the molten mouth of a river material is along the landing of mouth of a river runner 201 to one side in the cartridge heater 4, later first cylinder 21 drives mouth of a river cover 2 and the butt joint of mouth of a river groove 132, carry out the injection molding of next time.
In fig. seven: one end of the return pipe 5 is hermetically connected with the heating cylinder 4, the other end of the return pipe 5 is hermetically connected with the charging barrel 11, a one-way valve 51 is fixedly mounted on the return pipe 5, the melted water gap material is positioned in the heating cylinder 4 and is introduced into the charging barrel 11 through the return pipe 5 for reutilization, and the one-way valve 51 can prevent the melted plastic in the charging barrel 11 from entering the heating cylinder 4 through the return pipe 5.
As shown in fig. 1-7, the present invention further provides an injection molding method of an integrated injection molding production line, which comprises the following specific steps:
a: firstly, molten plastic is positioned in a charging barrel 11 and conveyed under the action of a conveying screw 111, the molten plastic is introduced into a cavity 131 through a butt-joint barrel 23 and an inclined water gap runner 201 for injection molding, the injection molding is finished, a material cutting assembly 3 is started to cut off water gap materials, and at the moment, a movable die holder 14 is opened to eject an injection molding piece;
b: then, starting the first air cylinder 21 to drive the water gap sleeve 2 to separate from the fixed mold base 13, heating by the heating cylinder 4 to raise the temperature, melting the water gap material in the inclined water gap flow channel 201, enabling the molten water gap material to slide in the heating cylinder 4 along the inclined water gap flow channel 201, and then driving the water gap sleeve 2 to be in butt joint with the water gap groove 132 by the first air cylinder 21 to perform next injection molding;
c: the molten plastic in the heating cylinder 4 is discharged into the charging barrel 11 through the return pipe 5, and the purpose of returning the molten plastic into the charging barrel 11 for reuse is completed.
The working principle of the invention is as follows: with the design of mouth of a river cover 2 and cover half 13 separation, and seted up oblique mouth of a river runner 201 in mouth of a river cover 2, the part of moulding plastics through circular cutter 33 convection current way cuts, and circular cutter 33 can be surrounding the runner, can not influence the circulation of sizing material, make mouth of a river cover 2 by the interior separation of cover half 13, cartridge heater 4 heats the melting to the mouth of a river material in the mouth of a river cover 2, the sizing material can be along oblique mouth of a river runner 201 discharge to cartridge heater 4 in, then let in the reuse in feed cylinder 11 by back flow 5, the process of the later stage to mouth of a river material excision has not only been reduced, and can directly carry out the reuse with the mouth of a river material after cutting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. An integrated injection molding production line comprises a production table (1) for installing the injection molding production line, wherein a material cylinder (11) is arranged above the production table (1), a conveying screw (111) for conveying molten plastic is arranged in the material cylinder (11), a fixed die seat (13) and a movable die seat (14) for molding an injection molding part are arranged above the production table (1), the top of the production table (1) is fixedly connected with a mounting seat (12), the fixed die seat (13) is fixed on one side of the mounting seat (12), the fixed die seat (13) is provided with a die cavity (131) which can be filled with the molten plastic, the integrated injection molding production line is characterized in that one side, close to the material cylinder (11), of the fixed die seat (13) is provided with a water gap sleeve (2) which can be separated from the fixed die seat (13), the inner side of the water gap sleeve (2) is provided with a material cutting assembly (3) for cutting the water gap material, and the water gap flow channel (201) is formed in the water gap sleeve (2), oblique mouth of a river runner (201) with die cavity (131) intercommunication, feed cylinder (11) front side fixedly connected with heating cylinder (4), through blank subassembly (3) cutting mouth of a river material makes mouth of a river cover (2) are followed separation in die holder (13), heating cylinder (4) below is equipped with back flow (5) for reach heating mouth of a river material is followed oblique mouth of a river runner (201) is discharged, and by back flow (5) flow back the mesh of recycling in feed cylinder (11).
2. An integrated injection molding production line according to claim 1, wherein a joint disk (24) is fixedly connected to one side of the water port sleeve (2) close to the material cylinder (11), a butt-joint cylinder (23) is fixedly connected to one side of the joint disk (24), a material outlet (112) is opened on the material cylinder (11), and the butt-joint cylinder (23) slides in the material outlet (112).
3. An integrated injection line according to claim 1, characterised in that the inclined nozzle runner (201) is inclined at an angle of ten to fifteen degrees.
4. The integrated injection molding production line of claim 2, wherein the blanking assembly (3) comprises a second cylinder (31), a connecting piece (32) and a circular cutter (33), the water gap sleeve (2) is provided with a mounting cavity (202), the second cylinder (31) is fixedly mounted in the mounting cavity (202), the connecting piece (32) is fixed on the output end of the second cylinder (31), the circular cutter (33) is fixed in the connecting piece (32), and the central axis of the connecting piece (32) coincides with the central axis of the butt joint barrel (23).
5. The integrated injection molding production line of claim 1, wherein the fixed mold base (13) is provided with a water gap groove (132) which is in fit connection with the water gap sleeve (2), and one end of the water gap sleeve (2) penetrates through the heating cylinder (4).
6. The integrated injection molding production line of claim 2, wherein a first air cylinder (21) for driving the water port sleeve (2) to move is arranged outside the water port sleeve (2), a driving column (22) is fixedly connected to an output end of the first air cylinder (21), and one end of the driving column (22) is located in the heating cylinder (4) and fixed on the side end face of the attaching disc (24).
7. An integrated injection line according to claim 6, characterized in that the heating cylinder (4) is provided with a groove (401), the first cylinder (21) is fixedly mounted on the groove (401), and the heating cylinder (4) is provided with a sliding groove (402) which is matched with the driving column (22).
8. An integrated injection molding line according to claim 1, wherein one end of the return pipe (5) is hermetically connected with the heating cylinder (4), the other end of the return pipe (5) is hermetically connected with the charging cylinder (11), and a check valve (51) is fixedly mounted on the return pipe (5).
9. The injection molding method of the integrated injection molding production line is characterized in that: the use method comprises the following conditions:
a: firstly, molten plastic is positioned in the material barrel (11) and conveyed under the action of the conveying screw (111), the molten plastic is introduced into the cavity (131) through the butt-joint barrel (23) and the inclined water gap flow channel (201) for injection molding, after the injection molding is finished, the cutting assembly (3) is started to cut off the water gap material, and at the moment, the movable die holder (14) is opened to eject an injection molding piece;
b: then starting the first air cylinder (21), driving the water gap sleeve (2) to be separated from the fixed die holder (13), heating the water gap sleeve by the heating cylinder (4) to raise the temperature, melting the water gap material in the inclined water gap flow channel (201), enabling the molten water gap material to slide in the heating cylinder (4) along the inclined water gap flow channel (201), and then driving the water gap sleeve (2) to be in butt joint with the water gap groove (132) by the first air cylinder (21) to perform the next injection molding;
c: and the molten plastic in the heating cylinder (4) is discharged into the charging barrel (11) through the return pipe (5), so that the purpose of returning the molten plastic into the charging barrel (11) for reuse is fulfilled.
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| CN202111625486.4A CN114261068A (en) | 2021-12-28 | 2021-12-28 | Integrated injection molding production line and injection molding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116834198A (en) * | 2023-06-27 | 2023-10-03 | 宁波优诺姆机械有限公司 | Extrusion and injection integrated injection molding machine |
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