CN212352787U - Feeding device of injection molding machine - Google Patents
Feeding device of injection molding machine Download PDFInfo
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- CN212352787U CN212352787U CN202020793405.6U CN202020793405U CN212352787U CN 212352787 U CN212352787 U CN 212352787U CN 202020793405 U CN202020793405 U CN 202020793405U CN 212352787 U CN212352787 U CN 212352787U
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- injectors
- injection molding
- injection
- reciprocating power
- molding machine
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Abstract
The utility model relates to a loading attachment of injection molding machine relates to the automobile parts field of making, and some large-scale parts that have solved among the prior art need more melting plastics, only need longer time through the screw rod is moulded plastics, influence the technical problem that the mould was stereotyped. The device is technically characterized by comprising two injectors, wherein the injectors are fixedly connected with an external frame, and the two injectors are respectively communicated with corresponding raw material bins; two ends of the injection tube are respectively communicated with the two injectors, and the third end of the injection tube is communicated with the injection mold; the two sides of the reciprocating power device are respectively connected with the two injectors and provide reciprocating power for the two injectors; the reciprocating power device drives the two injectors to move and alternately supply materials for the injection mold. The injection molding machine has the advantages that the material can be supplied to the mold alternatively, the injection molding work can be completed within the specified time, and the injection molding machine is suitable for large injection molding parts requiring more raw materials.
Description
Technical Field
The utility model relates to an automobile parts production technical field, in particular to loading attachment of injection molding machine.
Background
An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The injection system is one of the most important components of an injection molding machine and functions to inject molten plastic into a mold cavity through a screw at a certain pressure and speed. After injection, the melt injected into the mold cavity remains set.
However, some large parts need more molten plastics, and the injection molding through the screw only needs longer time, so that the mold shaping is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve some large-scale parts among the prior art and need more melting plastics, only need longer time through the screw rod injection moulding, influence the technical problem that the mould was stereotyped, provide a loading attachment of injection molding machine.
In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:
a loading device of an injection molding machine, comprising:
the injectors are fixedly connected with the external frame, the number of the injectors is two, and the two injectors are respectively communicated with the corresponding raw material bins;
two ends of the injection tube are respectively communicated with the two injectors, and the third end of the injection tube is communicated with the injection mold;
the two sides of the reciprocating power device are respectively connected with the two injectors and provide reciprocating power for the two injectors;
the reciprocating power device drives the two injectors to move and alternately supply materials for the injection mold.
Further, the syringe comprises:
the cylinder body is fixedly connected with the external frame;
the piston is in sliding fit with the inner cavity of the cylinder body, and a sealing ring is embedded on the circumferential side of the piston;
one end of the piston rod is fixedly connected with the end part of the piston, and the other end of the piston rod is fixedly connected with the reciprocating power device;
the feeding port is arranged at the bottom of the cylinder body, a feeding one-way valve is arranged at the feeding port and is communicated with the corresponding raw material bin through a pipeline;
and the discharge port is arranged on one side of the bottom of the cylinder body, and a discharge one-way valve is arranged at the discharge port and communicated with the injection pipe.
Furthermore, two piston rods on two sides of the reciprocating power device are coaxial.
Further, the reciprocating power device comprises:
the moving frame is a closed rectangular frame, two short sides of the rectangular frame are fixedly connected with the piston rods on two sides respectively, racks are arranged on the inner sides of two long sides of the moving frame, and the outer sides of the two long sides of the moving frame are in sliding fit with the outer frame;
the gear is provided with gear teeth on one quarter of the circumference, the gear teeth are meshed with the rack, and the other three quarters are smooth cylinders;
the motor, motor and outer frame fixed connection, the axle and the gear key-type connection of motor.
The utility model discloses following beneficial effect has:
the utility model discloses a loading attachment of injection molding machine through setting up reciprocal power device, has abandoned the thinking of original increase screw rod injection moulding equipment storage, and reciprocal power device can make the syringe reciprocating motion in turn of its both sides, just so makes the raw materials reserves reach two times original to realize giving the mould feed in turn, can accomplish injection molding work in the stipulated time, be fit for the large-scale part of moulding plastics that needs the raw materials many.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a feeding device of an injection molding machine of the present invention.
The reference numerals in the figures denote:
1. an injector; 101. a cylinder body; 102. a feed inlet; 103. a feed check valve; 104. a piston; 105. a discharge port; 106. a discharge one-way valve; 107. a piston rod; 2. a reciprocating power device; 201. a motion frame; 202. a gear; 3. and (4) injecting a tube.
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.
Referring to fig. 1, a feeding device of an injection molding machine includes:
the injectors 1 are fixedly connected with the external frame, the number of the injectors 1 is two, and the two injectors 1 are respectively communicated with the corresponding raw material bins;
two ends of the injection tube 3 are respectively communicated with the two injectors 1, and the third end of the injection tube 3 is communicated with the injection mold;
the two sides of the reciprocating power device 2 are respectively connected with the two injectors 1 and provide reciprocating power for the two injectors 1;
the reciprocating power device 2 drives the two injectors 1 to move and alternately supply materials for the injection mold.
The working principle is as follows: reciprocating power device 2 drives two syringes 1 and moves, and this in-process, a syringe 1 is given through injection tube 3 and is given injection mold feed, and another syringe 1 absorbs the raw materials from the former feed bin that corresponds, so the circulation motion that repeats, and then has reached the purpose to the injection mold feed, has two former feed bins, and the quantity of raw materials is two times original, is applicable to the large-scale part that needs the raw materials many of moulding plastics.
The syringe 1 comprises:
the cylinder body 101 is fixedly connected with the external frame 101;
the piston 104 is in sliding fit with the inner cavity of the cylinder body 101, and a sealing ring is embedded on the circumferential side of the piston 104;
one end of the piston rod 107 is fixedly connected with the end of the piston 104, and the other end of the piston rod 107 is fixedly connected with the reciprocating power device 2;
the feeding port 102 is arranged at the bottom of the cylinder body 101, a feeding one-way valve 103 is arranged at the feeding port 102, and the feeding one-way valve 103 is communicated with a corresponding raw material bin through a pipeline;
a discharge port 105, the discharge port 105 is arranged at one side of the bottom of the cylinder body 101, a discharge one-way valve 106 is arranged at the discharge port 105, and the discharge one-way valve 106 is communicated with the 3 injection pipes.
The working principle is as follows: when the piston 104 moves towards the right side, negative pressure is formed in the inner cavity of the cylinder body 101, raw materials in the raw material bin enter the inner cavity of the cylinder body 101 through the feeding one-way valve 103, when the piston 104 moves towards the left side, the inner cavity of the cylinder body 101 is compressed, the pressure of the inner cavity is increased, the raw materials can enter the injection pipe 3 from the discharge port 105 through the discharge one-way valve 106, the injection molding work of the mold is further completed, the piston 104 moves towards the left and right, and the injection work of the suction box is completed.
The two piston rods 107 on both sides of the reciprocating power device 2 are coaxial.
The working principle is as follows: when the reciprocating power device 2 drives the piston rod 107 to move, no redundant external force is applied, and the reciprocating power device 2 can ensure the stable acting force on the piston rod 107.
The reciprocating power device 2 comprises:
the moving frame 201 is a closed rectangular frame, two short sides of the rectangular frame are fixedly connected with the piston rods 107 on two sides respectively, racks are arranged on the inner sides of two long sides of the moving frame 201, and the outer sides of the two long sides of the moving frame 201 are in sliding fit with the outer frame;
a gear 202, wherein one quarter of the circumference of the gear 202 is provided with gear teeth, the gear teeth are meshed with the rack, and the other three quarters are smooth cylinders;
the motor, motor and outer frame fixed connection, the axle and the gear 202 key-type connection of motor.
The working principle is as follows: the motor drives the gear 202 to rotate, taking clockwise rotation as an example, when the gear teeth of the gear 202 are meshed with the rack above the moving frame 201, the moving frame 201 moves rightwards, so that the piston 104 on the injector 1 on the right side of the moving frame 201 moves rightwards, the space of the inner cavity of the cylinder 101 on the right side is compressed, raw materials in the inner cavity enter the injection pipe 3 from the discharge port 105 through the discharge one-way valve 106 to perform injection molding on the mold, at the moment, the piston 104 on the injector 1 on the left side of the moving frame 201 moves rightwards, the inner cavity of the cylinder 101 on the left side forms negative pressure, and the raw materials in the raw material bin enter the inner cavity of the cylinder 101 through; when the gear teeth are meshed with the gear sleeves below the moving frame 201, the moving frame 201 moves leftwards, so that the piston 104 on the injector 1 on the left side of the moving frame 201 moves leftwards, the space of the inner cavity of the cylinder body 101 on the left side is compressed, raw materials in the inner cavity enter the injection pipe 3 from the discharge hole 105 through the discharge one-way valve 106 to perform injection molding on a mold, at the moment, the piston 104 on the injector 1 on the right side of the moving frame 201 moves leftwards, the inner cavity of the cylinder body 101 on the right side forms negative pressure, the raw materials in the raw material bin enter the inner cavity of the cylinder body 101 through the feeding one-way. The gear teeth are arranged on one quarter of the circumference of the gear 202 and are meshed with the racks, and the other three quarters of the circumference are smooth cylinders, so that when the gear 202 rotates, the gear teeth on the gear 202 can be meshed with only one of the racks and are separated from the other rack, the gear 202 is prevented from being meshed with the upper rack and the lower rack simultaneously, the acting force of the gear 202 on the racks is continuous and stable, the injection molding work is not interrupted, the injection molding can be completed within the specified time, and the quality of injection molded parts is ensured.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (4)
1. A loading attachment of injection molding machine, its characterized in that includes:
the device comprises injectors (1), wherein the injectors (1) are fixedly connected with an external frame, the number of the injectors (1) is two, and the two injectors (1) are respectively communicated with corresponding raw material bins;
the two ends of the injection tube (3) are respectively communicated with the two injectors (1), and the third end of the injection tube (3) is communicated with the injection mold;
the two sides of the reciprocating power device (2) are respectively connected with the two injectors (1) and provide reciprocating power for the two injectors (1);
the reciprocating power device (2) drives the two injectors (1) to move and alternately supply materials for the injection mold.
2. The loading device of an injection molding machine according to claim 1, characterized in that said injector (1) comprises:
the cylinder body (101), the cylinder body (101) is fixedly connected with the external frame;
the piston (104) is in sliding fit with the inner cavity of the cylinder body (101), and a sealing ring is embedded on the circumferential side of the piston (104);
one end of the piston rod (107) is fixedly connected with the end part of the piston (104), and the other end of the piston rod (107) is fixedly connected with the reciprocating power device (2);
the feeding port (102) is arranged at the bottom of the cylinder body (101), a feeding one-way valve (103) is arranged at the feeding port (102), and the feeding one-way valve (103) is communicated with a corresponding raw material bin through a pipeline;
the discharging port (105), the discharging port (105) is arranged on one side of the bottom of the cylinder body (101), a discharging one-way valve (106) is arranged at the discharging port (105), and the discharging one-way valve (106) is communicated with the injection pipe (3).
3. The loading device of an injection molding machine according to claim 2, characterized in that the two piston rods (107) on both sides of the reciprocating power device (2) are coaxial.
4. The loading device of an injection molding machine according to claim 2, wherein said reciprocating power means (2) comprises:
the moving frame (201) is a closed rectangular frame, two short sides of the rectangular frame are fixedly connected with the piston rods (107) on two sides respectively, racks are arranged on the inner sides of two long sides of the moving frame (201), and the outer sides of the two long sides of the moving frame (201) are in sliding fit with the outer frame;
the gear (202) is provided with gear teeth on one quarter of the circumference of the gear (202), the gear teeth are meshed with the rack, and the other three quarters of the circumference of the gear are smooth cylinders;
the motor is fixedly connected with the external frame, and a shaft of the motor is connected with a gear (202) in a key mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020793405.6U CN212352787U (en) | 2020-05-13 | 2020-05-13 | Feeding device of injection molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020793405.6U CN212352787U (en) | 2020-05-13 | 2020-05-13 | Feeding device of injection molding machine |
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| CN212352787U true CN212352787U (en) | 2021-01-15 |
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| CN202020793405.6U Active CN212352787U (en) | 2020-05-13 | 2020-05-13 | Feeding device of injection molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134314A (en) * | 2021-04-06 | 2021-07-20 | 何香莲 | High-resistance flame-retardant material treatment device and method |
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2020
- 2020-05-13 CN CN202020793405.6U patent/CN212352787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134314A (en) * | 2021-04-06 | 2021-07-20 | 何香莲 | High-resistance flame-retardant material treatment device and method |
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