CN213500684U

CN213500684U - Injection molding machine is with screw rod of stabilizing injection

Info

Publication number: CN213500684U
Application number: CN202022504161.8U
Authority: CN
Inventors: 铁仑
Original assignee: Foshan Shunde District Sanjiangyuan Plastic Rubber Hardware Co ltd
Current assignee: Foshan Shunde District Sanjiangyuan Plastic Rubber Hardware Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-22
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses an injection molding machine is with screw rod of stabilizing injection, including screw rod, feed cylinder and high temperature heat conduction oil tank, the screw rod includes screw rod draw-in groove, reinforced section, compression section and measurement section, there is high temperature heat conduction oil tank outside one side of feed cylinder through bolt fixed mounting, high temperature heat conduction oil tank top is equipped with oiling mouth and draining port, feed cylinder internally mounted has the screw rod. The utility model discloses an installation high temperature heat conduction oil tank at the outer wall of feed cylinder, high temperature heat conduction oil tank surrounding type heating feed cylinder, the plastics that can make in the feed cylinder are heated evenly, melt evenly, and the top of high temperature heat conduction oil tank is equipped with oiling mouth and draining port, the gas that can discharge the high temperature heat conduction oil heating in-process and produce, the nozzle is formed through screw thread and rubber pad built-up connection by a plurality of parts, can convenient to detach clearance, anti-sticking coating is paintd to the inside and outside of nozzle, can prevent that the machine from shutting down the back, the nozzle is glued to the plastics that solidify in the nozzle pipeline, reduce the machine damage that leads to because of the nozzle blocking.

Description

Injection molding machine is with screw rod of stabilizing injection

Technical Field

The utility model relates to the field of machine-building, specifically be a screw rod of stable injection for injection molding machine.

Background

Injection molding is the main molding method of plastic products, an injection screw is one of key parts of an injection molding machine, rotates in a machine barrel of the injection molding machine, and the production process comprises the following steps: the granular or powdery solid plastic is firstly plasticized, the processes of heating, compacting and mixing are carried out to obtain the plastic melt with uniform density, viscosity and components and good plasticity, then a certain pressure is applied to ensure that the plastic melt has a certain flow rate and is injected into a cavity of a forming die, and after the plastic melt is cooled and shaped, the plastic product with the shape consistent with the shape of the die cavity can be obtained.

The existing injection molding machine screw has the defects that:

1. the existing screw of the injection molding machine generally adopts a combined type sheet heater to be dispersedly adhered to the outer wall of a material cylinder to heat and melt plastics, the heater is directly contacted with the outer wall of the material cylinder, the material cylinder is easily abraded by long-term high temperature, and the heater which is dispersedly adhered easily causes the phenomenon that the plastics in the material cylinder are unevenly heated and the phenomenon that the plastics are unevenly melted occurs.

2. The existing screw of the injection molding machine generally adopts a nozzle with an integrated structure, an injection channel in the injection nozzle is slender, the integrated structure is easy to block the injection channel in the nozzle, the cleaning is not easy, and the machine is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection molding machine is with screw rod of stabilizing injection to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection molding machine is with screw rod of stabilizing injection, includes screw rod, feed cylinder and high temperature heat conduction oil tank, its characterized in that: the screw rod includes screw rod draw-in groove, reinforced section, compression section and measurement section, the one end of screw rod is equipped with the screw rod draw-in groove, the one end that the screw rod was kept away from to the reinforced section is equipped with the compression section, and the one end that the reinforced section was kept away from to the compression section is equipped with the measurement section, the outside of screw rod is equipped with the reposition of redundant personnel shuttle, there is high temperature heat conduction oil tank outside one side of feed cylinder through bolt fixed mounting, high temperature heat conduction oil tank top one side is equipped with the oiling mouth, oiling mouth top installs the oiling pipe through helicitic texture, one side that oiling mouth was kept away from at high temperature heat conduction oil tank top is equipped with the draining mouth, draining.

Preferably, one side of the metering section, which is far away from the compression section, is provided with a non-return ring through a threaded structure, and one side of the non-return ring, which is far away from the metering section, is provided with a screw head through a threaded structure.

Preferably, one side of the charging barrel, which is close to the screw rod, is fixedly provided with an installation platform through a bolt, and the screw rod is rotatably arranged in the installation platform through a gear.

Preferably, one side of the top of the screw rod, which is close to the mounting table, is provided with a feeding hopper, and one side of the feeding hopper, which is close to the charging barrel, is fixedly provided with a feeding hopper fixing seat through a bolt.

Preferably, the nozzle base is installed through the screw thread in the one side that the high temperature heat conduction oil tank was kept away from to the feed cylinder, and one side fixed mounting that the nozzle base is close to the feed cylinder has the rubber pad.

Preferably, the nozzle is installed on one side of the charging barrel, which is far away from the nozzle base, through a threaded structure, and the connecting ring is installed on one side of the nozzle, which is close to the nozzle base, through a threaded structure.

Compared with the prior art, the utility model provides an injection molding machine is with screw rod of stabilizing injection possesses following beneficial effect:

1. the utility model discloses an at the outer wall installation high temperature heat conduction oil tank of feed cylinder, there is the tank wall as the interlayer between high temperature heat conduction oil tank and the feed cylinder, has avoided high temperature conduction oil direct contact feed cylinder, has protected the feed cylinder to a certain extent, and high temperature conduction oil surrounding type heating feed cylinder can make the plastics in the feed cylinder be heated evenly, melts evenly, and the top of high temperature heat conduction oil tank is equipped with oiling mouth and draining port, can discharge the gas that the high temperature conduction oil heating in-process produced.

2. The utility model discloses a nozzle is formed through screw thread and rubber pad built-up connection by a plurality of parts, can the clearance of convenient to detach, and antiseized coating is paintd to the inside and outside of nozzle, can prevent that the machine from shutting down the back, and the nozzle is glued to the plastics that solidifies in the nozzle pipeline, reduces the machine damage that leads to because of the nozzle blocks up.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic front structural view of the present invention;

FIG. 3 is a schematic view of the screw structure of the present invention;

fig. 4 is a schematic view of the nozzle structure of the present invention.

In the figure: 1. an installation table; 101. a gear; 2. a screw; 201. a screw clamping groove; 202. a feeding section; 203. a compression section; 204. a metering section; 3. a shunt shuttle; 4. a non-return ring; 5. a screw head; 6. a charging barrel; 7. a high-temperature heat-conducting oil tank; 8. a hopper; 801. a hopper fixing seat; 9. an oil filling port; 901. an oil filling pipe; 902. an oil drainage port; 903. an oil drain pipe; 10. a nozzle base; 1001. a connecting ring; 1002. a nozzle; 1003. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a screw for stable injection of an injection molding machine comprises a screw 2, a charging barrel 6 and a high-temperature heat conduction oil tank 7, wherein the screw 2 comprises a screw clamping groove 201, a feeding section 202, a compression section 203 and a metering section 204, one end of the screw 2 is provided with the screw clamping groove 201, the screw clamping groove 201 can be fixedly connected with a motor, the screw 2 is driven to rotate by the high-speed rotation of the motor, one end of the feeding section 202, which is far away from the screw 2, is provided with the compression section 203, the feeding section 202 can push and preheat plastics in the charging barrel 6, the compression section 203 can smelt the plastics in the charging barrel 6, increase the pressure in the charging barrel 6 and discharge redundant gas generated by melting the plastics in the charging barrel 6, one end of the compression section 203, which is far away from the feeding section 202, is provided with the metering section 204, the metering section 204 can meter the amount of molten rubber in the charging barrel 6 and the molten rubber in the charging barrel 6, a shunting shuttle 3 is arranged outside the screw 2, the shunting shuttle 3 can, 6 outside one side of feed cylinder has high temperature heat conduction oil tank 7 through bolt fixed mounting, the plastics in the feed cylinder 6 can be melted through the high temperature heating to the high temperature conduction oil in the high temperature heat conduction oil tank 7, 7 top one side of high temperature heat conduction oil tank is equipped with oiling mouth 9, oiling pipe 901 is installed through the helicitic texture at oiling mouth 9 top, oiling mouth 9 and oiling pipe 901 can constantly pour into the high temperature conduction oil into, one side that oiling mouth 9 was kept away from at 7 top of high temperature heat conduction oil tank is equipped with draining port 902, draining pipe 903 is installed through the helicitic texture at draining port 902 top, draining port 902 and draining pipe 903 can be with unnecessary high temperature conduction oil discharge, oiling pipe 901 and draining pipe 903 make cyclic connection, the plastics in the feed cylinder 6 can be lastingly steadily heated to the high temperature conduction oil of recycling, 6 internally mounted of feed cylinder has screw rod 2, screw rod 2 can.

Furthermore, one side of the metering section 204, which is far away from the compression section 203, is provided with a non-return ring 4 through a threaded structure, the non-return ring 4 can prevent backflow of molten glue at the screw head 5, one side of the non-return ring 4, which is far away from the metering section 204, is provided with the screw head 5 through a threaded structure, and the screw head 5 can extrude the molten glue in the pushing material cylinder 6.

Further, the installation platform 1 is fixedly installed on one side, close to the screw rod 2, of the material cylinder 6 through bolts, the installation platform 1 can fix the position of the material cylinder 6, the stability of the material cylinder 6 is improved, the screw rod 2 is rotatably installed inside the installation platform 1 through the gear 101, the gear 101 can stabilize the position of the screw rod 2, and the stability of the screw rod 2 is improved.

Further, 2 top of screw rod is close to one side of mount table 1 and is equipped with loading hopper 8, and loading hopper 8 can receive plastics and convey in the loading section 202, and loading hopper 8 is close to one side of feed cylinder 6 and has loading hopper fixing base 801 through bolt fixed mounting, and loading hopper fixing base 801 can install the position of fixed loading hopper 8, improves loading hopper 8's stability, prevents that the feeding from empting the phenomenon from appearing on the way of machine work.

Further, nozzle base 10 is installed through the screw thread in the one side that high temperature heat conduction oil tank 7 was kept away from to feed cylinder 6, and feed cylinder 6 and go-between 1001 can be connected to nozzle base 10, and the split can be made things convenient for to nozzle base 10 of helicitic texture, and one side fixed mounting that nozzle base 10 is close to feed cylinder 6 has rubber pad 1003, and rubber pad 1003 can increase the frictional force of nozzle base 10 and feed cylinder 6 junction, prevents to appear skidding phenomenon in the machine course of the work, can protect nozzle base 10.

Further, nozzle 1002 is installed through helicitic texture in one side that nozzle base 10 was kept away from to feed cylinder 6, nozzle 1002 can connect the plastics model and spray the melten gel, nozzle 1002's inside and outside all are scribbled anti-sticking coating, the melten gel solidification hardening that can prevent machine shut down back nozzle 1002 department glues nozzle 1002, block up nozzle 1002, be convenient for clear up nozzle 1002, and nozzle 1002 installs go-between 1001 through helicitic texture in one side that is close to nozzle base 10, go-between 1001 can connect nozzle base 10 and nozzle 1002, make nozzle base 10, go-between 1001 and nozzle 1002 convenient the separation clearance.

The working principle is as follows: the screw assembly is installed in an injection system of an injection molding machine, granular or powdery plastic is added into a feeding hopper 8, the plastic is heated into a molten state through the rotation of a screw 2 and high-temperature heat conduction oil in a high-temperature heat conduction oil tank 7 on the outer wall of a charging barrel 6, a nozzle 1002 is attached to a sprue channel of a mold, a motor is turned on, the screw 2 is pushed forwards, molten materials are injected into a closed mold with lower temperature at high pressure and high speed, and the mold can be opened and a product can be taken out after the molten materials are solidified and molded after certain time and pressure maintenance and cooling.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an injection molding machine is with screw rod of stabilizing injection, includes screw rod (2), feed cylinder (6) and high temperature heat conduction oil tank (7), its characterized in that: the screw rod (2) comprises a screw rod clamping groove (201), a feeding section (202), a compression section (203) and a metering section (204), the screw rod clamping groove (201) is arranged at one end of the screw rod (2), the compression section (203) is arranged at the end, far away from the screw rod (2), of the feeding section (202), the metering section (204) is arranged at the end, far away from the feeding section (202), of the compression section (203), a shunting shuttle (3) is arranged outside the screw rod (2), a high-temperature heat-conducting oil tank (7) is fixedly installed at one side of the outside of the charging barrel (6) through bolts, an oil filling port (9) is arranged at one side of the top of the high-temperature heat-conducting oil tank (7), an oil filling pipe (901) is installed at the top of the oil filling port (9) through a threaded structure, an oil draining port (902) is arranged at one side, far away from the oil draining port, and a screw (2) is arranged in the charging barrel (6).

2. The injection molding machine injection stabilizing screw according to claim 1, wherein: one side of the metering section (204) far away from the compression section (203) is provided with a non-return ring (4) through a thread structure, and one side of the non-return ring (4) far away from the metering section (204) is provided with a screw head (5) through a thread structure.

3. The injection molding machine injection stabilizing screw according to claim 1, wherein: one side of the charging barrel (6) close to the screw (2) is fixedly provided with an installation platform (1) through a bolt, and the screw (2) is rotatably arranged in the installation platform (1) through a gear (101).

4. The injection molding machine injection stabilizing screw according to claim 1, wherein: one side that screw rod (2) top is close to mount table (1) is equipped with loading hopper (8), and one side that loading hopper (8) are close to feed cylinder (6) has loading hopper fixing base (801) through bolt fixed mounting.

5. The injection molding machine injection stabilizing screw according to claim 1, wherein: and a nozzle base (10) is installed on one side, away from the high-temperature heat-conducting oil tank (7), of the charging barrel (6) through threads, and a rubber pad (1003) is fixedly installed on one side, close to the charging barrel (6), of the nozzle base (10).

6. The injection molding machine injection stabilizing screw according to claim 1, wherein: one side of the charging barrel (6) far away from the nozzle base (10) is provided with a nozzle (1002) through a threaded structure, and one side of the nozzle (1002) close to the nozzle base (10) is provided with a connecting ring (1001) through a threaded structure.