CN213563943U - Injection moulding equipment of no waste material - Google Patents
Injection moulding equipment of no waste material Download PDFInfo
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- CN213563943U CN213563943U CN202022397106.3U CN202022397106U CN213563943U CN 213563943 U CN213563943 U CN 213563943U CN 202022397106 U CN202022397106 U CN 202022397106U CN 213563943 U CN213563943 U CN 213563943U
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Abstract
The utility model relates to a waste-free injection molding device, which comprises a material cylinder, a screw rod, a front mold assembly and a rear mold assembly, wherein the material cylinder is filled with molten plastics, a sprue gate is arranged between the end part of the material cylinder and the rear mold assembly, and the material cylinder is communicated with the rear mold assembly through the sprue gate; the screw is rotationally arranged in the charging barrel and pours the molten plastic to the rear mold assembly through the pouring gate when rotating; the front mould assembly is movably arranged, and molten plastic on the rear mould assembly is subjected to injection molding during movement; the rear mould component is also provided with a heating device, and the plastic on the rear mould component is kept in a molten state through the heating device, so that the plastic in the mould cavity of the mould component is always in the molten state in the injection molding process, the plastic is prevented from being scrapped due to the supercooling plasticization of the mould in the injection molding process, the problems of poor quality of molded products, low qualification rate, more waste materials and high processing cost are avoided, the loss of raw materials is reduced, and the production efficiency and the qualification rate of the molded products are improved.
Description
Technical Field
The utility model relates to a no waste material's injection moulding equipment.
Background
The injection molding machine is a main molding device for manufacturing plastic products with various shapes from molten thermoplastic plastics or thermosetting plastics by using a plastic molding die, and is a processing device with the largest use amount in the plastic processing industry. When using the injection molding machine to carry out plastics thermoforming man-hour, because the reason of equipment composition structure, the equipment heating intensifies very slowly, very big restriction injection molding machine thermoforming's production efficiency, and the heating process delay still can influence thermoforming plastics's course of working, when processing link molten plastics mobility is relatively poor, require rapid adjusting device to heat up, the rate of rise of temperature of general equipment can not keep up with the demand that the fuse-element flows to the temperature, the quality of shaping goods has directly been influenced to this problem, the qualification rate of product has been reduced, still can cause the increase of waste material simultaneously, increase the processing cost. Therefore, further improvements are necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a no waste material injection moulding equipment to overcome and heat up slowly among the prior art, cause the weak point that the shaping goods quality is poor, the qualification rate is low, the waste material is many, the processing cost is high.
According to the injection moulding equipment of no waste material of this purpose design, including feed cylinder, screw rod, front mould subassembly, back mould subassembly, its characterized in that: the charging barrel is filled with molten plastics, a pouring gate is arranged between the end part of the charging barrel and the rear die assembly, and the charging barrel is communicated with the rear die assembly through the pouring gate; the screw is rotationally arranged in the charging barrel and pours the molten plastic to the rear mold assembly through the pouring gate when rotating; the front mould assembly is movably arranged, and molten plastic on the rear mould assembly is subjected to injection molding during movement; the rear mould component is also provided with a heating device, and the plastic on the rear mould component is kept in a molten state by the heating device.
The heating device is provided with a connecting pipe and transmits heat to the rear die assembly through the connecting pipe so as to keep the plastic on the rear die assembly in a molten state.
The rear die assembly comprises a rear die base and a rear die body; the pouring gate is arranged on the rear mold base; the rear mould body can be disassembled on the rear mould base; and the charging barrel is used for pouring molten plastic into the die cavity of the rear die body through the pouring gate of the rear die base.
One end of the connecting pipe is connected with the heating device, and the other end of the connecting pipe is connected with the rear die body; the back mould body keeps the plastic in the mould cavity in a molten state through the matching of the heating device and the connecting pipe.
And an injection port is arranged at the end part of the charging barrel and is communicated with a pouring port of the rear mold base through the injection port.
The injection port and/or the pouring port are opened and closed; the screw pours the molten plastic into the cavity of the rear mold body when the injection port and/or the pouring port is opened.
The device also includes a protective cover; the rear die assembly is fixedly arranged in the protective cover; the front mould assembly comprises a front mould base and a front mould body; the protective cover is internally provided with a front mold driving device which is fixedly arranged in the protective cover and the power output end of which is in driving connection with the front mold base; the front mould body can be disassembled and assembled on the front mould base; the front mold base is driven by the front mold driving device to move in the protective cover and drives the front mold body to move towards the direction of the rear mold assembly during movement so as to perform injection molding on the molten plastic on the rear mold assembly.
The demolding device comprises a front mold base, a front mold body and a demolding part, wherein the front mold base is arranged on the front mold body, the demolding part is movably arranged on the front mold base, the front mold body is movably arranged on the front mold base, the demolding part is movably arranged on the front mold body, and the demolding part is used for demolding a molded product on the front mold body.
Still be provided with the hopper that is used for depositing the raw materials of moulding plastics on the feed cylinder, hopper and feed cylinder inside intercommunication.
The equipment also comprises a screw driving device, wherein the screw driving device is positioned outside the charging barrel, and the power output end of the screw driving device is in driving connection with the screw; the screw is driven by the screw driving device to rotate in the charging barrel.
Through the improvement of the structure, the utility model utilizes the rotation of the screw rod to pour the molten plastic in the charging barrel to the rear mould component through the pouring gate, thereby the molten plastic flows rapidly and fills the mold cavity of the rear mold assembly to improve the fluidity of the molten plastic, and meanwhile, the rear mold assembly is provided with a heating device, the heating device can provide heat for the rear mould component when in work, thereby ensuring that the plastic in the mould cavity of the mould component is always in a molten state in the injection moulding process, further improving the fluidity of the molten plastic, preventing plastic molded parts from being scrapped due to over-cooling plasticization of the mould in the injection moulding process, thereby effectively avoiding the problems of poor quality of the formed product, low qualification rate, more waste materials and high processing cost, so as to reduce the loss of raw materials, improve the production efficiency and the qualification rate of the formed products and really realize the waste-free injection molding of plastic products.
In summary, the device has the characteristics of simple and reasonable structure, no production waste, low processing cost, high production efficiency and product quality and the like, and is high in practicability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1, the waste-free injection molding equipment comprises a charging barrel 1, a screw 2, a front mold assembly and a rear mold assembly, wherein the charging barrel 1 is filled with molten plastics, a sprue gate 3 is arranged between the end part of the charging barrel and the rear mold assembly, and the charging barrel 1 is communicated with the rear mold assembly through the sprue gate 3; the screw 2 is rotationally arranged in the charging barrel 1 and pours the molten plastic into the rear mold assembly through the pouring gate 3 when rotating; the front mould assembly is movably arranged, and molten plastic on the rear mould assembly is subjected to injection molding during movement; the rear mould component is also provided with a heating device 4, and the plastic on the rear mould component is kept in a molten state by the heating device 4.
The molten plastic in the charging barrel 1 is poured to the rear mould component through the pouring gate 3 by the rotation of the screw 2, thereby enabling the molten plastic to flow rapidly and fill the mold cavity of the rear mold assembly to improve the fluidity of the molten plastic, and simultaneously, the rear mold assembly is provided with a heating device 4, the heating device 4 can provide heat for the rear mould assembly when in work, thereby ensuring that the plastic in the mould cavity of the mould assembly is always in a molten state in the injection moulding process, further improving the fluidity of the molten plastic, preventing plastic molded parts from being scrapped due to over-cooling plasticization of the mould in the injection moulding process, thereby effectively avoiding the problems of poor quality of the formed product, low qualification rate, more waste materials and high processing cost, so as to reduce the loss of raw materials, improve the production efficiency and the qualification rate of the formed products and really realize the waste-free injection molding of plastic products.
Specifically, the heating device 4 is provided with a connection pipe 5, and heat is transferred to the rear mold assembly through the connection pipe 5 to maintain the plastic on the rear mold assembly in a molten state.
The rear mould assembly comprises a rear mould base 6 and a rear mould body 7; the pouring gate 3 is arranged on the rear mold base 6; the rear mould body 7 can be disassembled on the rear mould base 6; the charging barrel 1 pours the molten plastic into the die cavity of the rear die body 7 through the pouring gate 3 of the rear die base 6.
One end of the connecting pipe 5 of the embodiment is connected with the heating device 4, and the other end is connected with the rear die body 7; the rear mould body 7 keeps the plastic in the mould cavity in a molten state through the matching of the heating device 4 and the connecting pipe 5.
An injection port 8 is arranged at the end part of the charging barrel 1 and is communicated with the pouring gate 3 of the rear mold base 6 through the injection port 8. The mold cavity of the mold body 7 is also in communication with the gate 3. The molten plastic in the charging barrel 1 rapidly flows through the injection port 8 and the pouring port 3 in sequence by the rotation of the screw 2, and fills the die cavity of the rear die body 7.
To further reduce the waste of plastic, the injection port 8 and/or the pouring port 3 are open-and-closed.
Wherein, the opening and closing type of the injection port 8 and/or the pouring gate 3 is automatic opening and closing, namely, an elastic reset piece is arranged on the injection port 8 and/or the pouring gate 3. The molten plastic acts on the elastic return element during the flow, so that the injection opening 8 and/or the pouring opening 3 automatically open, and the elastic return element automatically returns to close the injection opening 8 and/or the pouring opening 3 when the molten plastic is not flowing.
In addition, the injection port 8 and/or the pouring port 3 may be opened and closed by other driving means.
When the injection port 8 and/or the pouring port 3 are/is opened, the screw 2 pours the molten plastic into the mold cavity of the rear mold body 7, and when the injection port 8 and/or the pouring port 3 is/are closed, the molten plastic cannot be poured, so that the waste of the plastic is reduced, the generation of waste materials is avoided, and the waste-free injection molding of plastic products is really realized.
In order to ensure that a user can use the injection molding equipment more safely, the equipment also comprises a protective cover 9; the rear mold assembly and the front mold assembly are both disposed within the protective cover 9. Meanwhile, a transparent observation window and/or an opening and closing door are/is further arranged on the protective cover 9 for the convenience of observation and operation of the injection molding equipment by a user.
Specifically, the rear mold assembly is fixedly disposed within the protective cover 9; the front mould assembly comprises a front mould base 10 and a front mould body 11; a front mold driving device 12 is arranged in the protective cover 9, the front mold driving device 12 is fixedly arranged in the protective cover 9, and the power output end of the front mold driving device is in driving connection with the front mold base 10; the front mould body 11 can be assembled and disassembled on the front mould base 10; the front mold base 10 is driven by the front mold driving device 12 to move in the protective cover 9, and drives the front mold body 11 to move towards the direction of the rear mold assembly during movement, so as to perform injection molding on the molten plastic on the rear mold assembly.
In order to enable the molded product to be demolded from the front mold assembly, a demolding driving device 13 and a demolding part 14 are further arranged in the protective cover 9, wherein the demolding driving device 13 is fixedly arranged in the protective cover 9, the power output end of the demolding driving device is in driving connection with the demolding part 14, the demolding part 14 moves on the front mold base 10 and the front mold body 11 through driving of the demolding driving device 13, and the molded product on the front mold body 11 is demolded when moving.
The charging barrel 1 is also provided with a hopper 15 for storing injection molding raw materials, and the hopper 15 is communicated with the inside of the charging barrel 1. Namely, the user stores the injection molding raw material on the hopper 15 and then opens the injection molding equipment, so that the automatic production of the plastic products can be realized, and the production cost is further reduced.
In order to enable the screw 2 to automatically rotate, the device also comprises a screw driving device 16, wherein the screw driving device 16 is positioned outside the charging barrel 1, and the power output end of the screw driving device is in driving connection with the screw 2; the screw 2 is driven to rotate in the barrel 1 by a screw driving device 16.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a no waste material's injection moulding equipment, includes feed cylinder (1), screw rod (2), front mould subassembly, back mould subassembly, its characterized in that: the charging barrel (1) is filled with molten plastics, a pouring gate (3) is arranged between the end part of the charging barrel and the rear die assembly, and the charging barrel (1) is communicated with the rear die assembly through the pouring gate (3); the screw (2) is rotatably arranged in the charging barrel (1) and pours the molten plastic into the rear mold assembly through the pouring gate (3) when rotating; the front mould assembly is movably arranged, and molten plastic on the rear mould assembly is subjected to injection molding during movement; the rear mould component is also provided with a heating device (4), and the plastic on the rear mould component is kept in a molten state through the heating device (4).
2. The scrap-free injection molding apparatus according to claim 1, wherein: the heating device (4) is provided with a connecting pipe (5), and heat is transmitted to the rear die assembly through the connecting pipe (5) so as to keep the plastic on the rear die assembly in a molten state.
3. The scrap-free injection molding apparatus according to claim 2, wherein: the rear mould component comprises a rear mould base (6) and a rear mould body (7); the pouring gate (3) is arranged on the rear mold base (6); the rear mould body (7) can be disassembled on the rear mould base (6); the charging barrel (1) is used for pouring molten plastic into a die cavity of the rear die body (7) through a pouring gate (3) of the rear die base (6).
4. The scrap-free injection molding apparatus according to claim 3, wherein: one end of the connecting pipe (5) is connected with the heating device (4), and the other end of the connecting pipe is connected with the rear die body (7); the rear die body (7) keeps the plastic in the die cavity in a molten state through the matching of the heating device (4) and the connecting pipe (5).
5. The scrap-free injection molding apparatus according to claim 3, wherein: an injection port (8) is formed in the end of the charging barrel (1) and is communicated with a pouring port (3) of the rear mold base (6) through the injection port (8).
6. The scrap-free injection molding apparatus according to claim 5, wherein: the injection port (8) and/or the pouring port (3) is opened and closed; the screw (2) pours the molten plastic into the mold cavity of the rear mold body (7) when the injection port (8) and/or the pouring port (3) is opened.
7. The scrap-free injection molding apparatus according to claim 1, wherein: also comprises a protective cover (9); the rear die assembly is fixedly arranged in the protective cover (9); the front mould assembly comprises a front mould base (10) and a front mould body (11); a front mold driving device (12) is arranged in the protective cover (9), the front mold driving device (12) is fixedly arranged in the protective cover (9), and the power output end of the front mold driving device is in driving connection with the front mold base (10); the front mould body (11) can be disassembled and assembled on the front mould base (10); the front mould base (10) is driven to move in the protective cover (9) by the front mould driving device (12) and drives the front mould body (11) to move towards the direction of the rear mould assembly when moving so as to perform injection moulding on the molten plastic on the rear mould assembly.
8. The scrap-free injection molding apparatus according to claim 7, wherein: the demolding device is characterized in that a demolding driving device (13) and a demolding part (14) are further arranged in the protective cover (9), the demolding driving device (13) is fixedly arranged in the protective cover (9), the power output end of the demolding driving device is in driving connection with the demolding part (14), the demolding part (14) is movably arranged on the front mold base (10) and the front mold body (11) through the driving of the demolding driving device (13), and molded products on the front mold body (11) are demolded during movement.
9. The scrap-free injection molding apparatus according to claim 1, wherein: the injection molding machine is characterized in that a hopper (15) used for storing injection molding raw materials is further arranged on the charging barrel (1), and the hopper (15) is communicated with the interior of the charging barrel (1).
10. The scrap-free injection molding apparatus according to claim 1, wherein: the screw driving device (16) is positioned outside the charging barrel (1), and the power output end of the screw driving device (16) is in driving connection with the screw (2); the screw (2) is driven by a screw driving device (16) to rotate in the charging barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022397106.3U CN213563943U (en) | 2020-10-24 | 2020-10-24 | Injection moulding equipment of no waste material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022397106.3U CN213563943U (en) | 2020-10-24 | 2020-10-24 | Injection moulding equipment of no waste material |
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| Publication Number | Publication Date |
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| CN213563943U true CN213563943U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022397106.3U Active CN213563943U (en) | 2020-10-24 | 2020-10-24 | Injection moulding equipment of no waste material |
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| CN (1) | CN213563943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193725A (en) * | 2021-12-08 | 2022-03-18 | 徐州好合智能装备有限公司 | Plastic product forming equipment capable of preventing bubbles from being generated |
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2020
- 2020-10-24 CN CN202022397106.3U patent/CN213563943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193725A (en) * | 2021-12-08 | 2022-03-18 | 徐州好合智能装备有限公司 | Plastic product forming equipment capable of preventing bubbles from being generated |
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