CN209903850U - Injection molding hydraulic structure - Google Patents
Injection molding hydraulic structure Download PDFInfo
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- CN209903850U CN209903850U CN201920448140.3U CN201920448140U CN209903850U CN 209903850 U CN209903850 U CN 209903850U CN 201920448140 U CN201920448140 U CN 201920448140U CN 209903850 U CN209903850 U CN 209903850U
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Abstract
The utility model belongs to the technical field of injection moulding equipment, especially, relate to an injection moulding hydraulic structure. The left end of the thermoplastic extrusion pipe is hermetically sleeved with an extrusion cache cavity; the left side of the extrusion cache cavity is connected with a first die groove; an expansion fixing piece is arranged on the outer side of the thermoplastic extrusion pipe, a pair of sliding connecting rods are connected to the left side of the expansion fixing piece, and the sliding connecting rods are inserted into two sides of the first die groove; a reset spring is sleeved on the sliding connecting rod between the first mold groove and the expansion fixing piece; an injection molding opening is formed in the middle of the first mold groove and is communicated with the left side and the right side of the first mold groove; the left end of the sliding connecting rod is sleeved with a die assembly and demolding mechanism, the inner side of the die assembly and demolding mechanism is connected with a die groove II, and the die groove I and the die groove II are matched and butted with each other. It adopts the effect that increases buffer memory chamber and cooperation compression spring, guarantees the stability that the in-process molten plastic that moulds plastics pours into, avoids the uncontrollable problem of traditional push rod feed pressure.
Description
Technical Field
The utility model belongs to the technical field of injection moulding equipment, especially, relate to an injection moulding hydraulic structure.
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 traditional injection molding machine adopts the method of heating plastic to a molten state, and then pushing the molten plastic out of a heater to a grinding tool by the pressure of a mechanical push rod to achieve the purpose of molding, but the traditional injection molding machine has the defects that the pressure for pushing the push rod is not elastic, the pushing force is inconsistent, the pressure in all aspects of the mold is inconsistent, the density of the produced mold is inconsistent, and the quality of the product is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's an injection moulding hydraulic structure, it adopts the effect that increases buffer memory chamber and cooperation compression spring, guarantees the stability that the in-process molten plastic that moulds plastics pours into, avoids the uncontrollable problem of traditional push rod feed pressure.
In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a thermoplastic extrusion pipe, an extrusion cache cavity, a heating device, an expansion fixing piece, a sliding connecting rod, a first mold groove, an injection molding opening, a return spring, a second mold groove and a mold closing and demolding mechanism; the left end of the thermoplastic extrusion pipe is hermetically sleeved with an extrusion cache cavity; the left side of the extrusion cache cavity is connected with a first die groove; an expansion fixing piece is arranged on the outer side of the thermoplastic extrusion pipe, a pair of sliding connecting rods are connected to the left side of the expansion fixing piece, and the sliding connecting rods are inserted into two sides of the first die groove; a reset spring is sleeved on the sliding connecting rod between the first mold groove and the expansion fixing piece; an injection molding opening is formed in the middle of the first mold groove and is communicated with the left side and the right side of the first mold groove; the left end of the sliding connecting rod is sleeved with a die assembly and demolding mechanism, the inner side of the die assembly and demolding mechanism is connected with a die groove II, and the die groove I and the die groove II are matched and butted with each other.
Preferably, a feeding screw is arranged inside the thermoplastic extrusion pipe, and a check ring is arranged at the left port of the feeding screw.
Preferably, an inclined triangular sealing element is arranged at the joint of the thermoplastic extrusion pipe and the extrusion cache cavity.
Preferably, heating devices are arranged on the outer side of the extrusion cache cavity and the outer side of the thermoplastic extrusion pipe.
After the structure is adopted, the utility model discloses beneficial effect does: an injection moulding hydraulic structure, it adopts the effect that increases buffer memory chamber and cooperation compression spring, guarantees the stability that the in-process molten plastic that moulds plastics pours into, avoids the uncontrollable problem of traditional push rod feed pressure. The utility model has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the thermoplastic extruded tube 1 of the present invention.
Fig. 3 is a schematic view of the compression and extrusion state of the present invention.
Description of reference numerals:
the device comprises a thermoplastic extrusion pipe 1, an extrusion cache cavity 2, a heating device 3, an expansion fixing piece 4, a sliding connecting rod 5, a first mold groove 6, an injection molding opening 7, a return spring 8, a second mold groove 9, a mold closing and demolding mechanism 10, a feeding spiral 11, a non-return ring 12 and an inclined triangular sealing piece 13.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the device comprises a thermoplastic extrusion pipe 1, an extrusion cache cavity 2, a heating device 3, an expansion fixing piece 4, a sliding connecting rod 5, a first mold groove 6, an injection molding opening 7, a return spring 8, a second mold groove 9 and a mold closing and demolding mechanism 10; the left end of the thermoplastic extrusion pipe 1 is hermetically sleeved with an extrusion cache cavity 2; the left side of the extrusion cache cavity 2 is connected with a first die groove 6; an expanding fixing piece 4 is arranged on the outer side of the thermoplastic extrusion pipe 1, a pair of sliding connecting rods 5 are connected to the left side of the expanding fixing piece 4, and the sliding connecting rods 5 are inserted into two sides of a first die groove 6; a return spring 8 is sleeved on the sliding connecting rod 5 between the first mold groove 6 and the expanding fixing piece 4; an injection port 7 is formed in the middle of the first mold groove 6, and the injection port 7 is communicated with the left side and the right side of the first mold groove 6; the left end of the sliding connecting rod 5 is sleeved with a die assembly and demolding mechanism 10, the inner side of the die assembly and demolding mechanism 10 is connected with a die groove II 9, and the die groove I6 and the die groove II 9 are matched and butted with each other.
Wherein, a feeding screw 11 is arranged inside the thermoplastic extrusion pipe 1, and a non-return ring 12 is arranged at the left port of the feeding screw 11; an inclined triangular sealing element 13 is arranged at the joint of the thermoplastic extrusion pipe 1 and the extrusion cache cavity 2; and heating devices 3 are arranged on the outer side of the extrusion cache cavity 2 and the outer side of the thermoplastic extrusion pipe 1.
The working principle of the specific embodiment is as follows: firstly, injecting a molten material into an extrusion cache cavity 2 for standby through a thermoplastic extrusion pipe 1, and keeping the state of the molten material through a heating device 3; when injection molding is carried out, the mold closing and demolding mechanism 10 pushes the mold groove II 9 and the mold groove I6 to carry out mold closing, then the whole extrusion cache cavity 2 is pushed backwards by continuously pushing forwards, and the molten material in the extrusion cache cavity 2 is extruded into the mold through the injection port 7; after cooling and forming, the die closing and demolding mechanism 10 moves backwards to separate the dies; and demolding the plastic product, extruding the cache cavity 2 and the first mold groove 6, and automatically resetting under the coordination of the return spring 8 to perform secondary injection molding.
After adopting above-mentioned structure, this embodiment beneficial effect does: it adopts the effect that increases buffer memory chamber and cooperation compression spring, guarantees the stability that the in-process molten plastic that moulds plastics pours into, avoids the uncontrollable problem of traditional push rod feed pressure.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. An injection moulding hydraulic structure which characterized in that: the device comprises a thermoplastic extrusion pipe (1), an extrusion cache cavity (2), a heating device (3), an expansion fixing piece (4), a sliding connecting rod (5), a first mold groove (6), an injection molding opening (7), a return spring (8), a second mold groove (9) and a mold closing and demolding mechanism (10); the left end of the thermoplastic extrusion pipe (1) is hermetically sleeved with an extrusion cache cavity (2); the left side of the extrusion cache cavity (2) is connected with a first die groove (6); an expansion fixing piece (4) is arranged on the outer side of the thermoplastic extrusion pipe (1), a pair of sliding connecting rods (5) is connected to the left side of the expansion fixing piece (4), and the sliding connecting rods (5) are inserted into two sides of the first die groove (6); a return spring (8) is sleeved on the sliding connecting rod (5) between the first mold groove (6) and the expanding fixing piece (4); an injection molding port (7) is formed in the middle of the first mold groove (6), and the injection molding port (7) is communicated with the left side and the right side of the first mold groove (6); the left end of the sliding connecting rod (5) is sleeved with a die assembly and demolding mechanism (10), the inner side of the die assembly and demolding mechanism (10) is connected with a die groove II (9), and the die groove I (6) and the die groove II (9) are matched and butted with each other.
2. An injection molding hydraulic structure as claimed in claim 1, wherein: the thermoplastic extrusion pipe (1) is internally provided with a feeding screw (11), and the left port of the feeding screw (11) is provided with a non-return ring (12).
3. An injection molding hydraulic structure as claimed in claim 1, wherein: an inclined triangular sealing piece (13) is arranged at the joint of the thermoplastic extrusion pipe (1) and the extrusion cache cavity (2).
4. An injection molding hydraulic structure as claimed in claim 1, wherein: and heating devices (3) are arranged on the outer side of the extrusion cache cavity (2) and the outer side of the thermoplastic extrusion pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448140.3U CN209903850U (en) | 2019-11-05 | 2019-11-05 | Injection molding hydraulic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448140.3U CN209903850U (en) | 2019-11-05 | 2019-11-05 | Injection molding hydraulic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209903850U true CN209903850U (en) | 2020-01-07 |
Family
ID=69034881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920448140.3U Expired - Fee Related CN209903850U (en) | 2019-11-05 | 2019-11-05 | Injection molding hydraulic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209903850U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399571A (en) * | 2020-03-27 | 2020-07-10 | 合肥海德数控液压设备有限公司 | Electrical control system for multi-region temperature and pressure servo control hydraulic machine |
| CN112223642A (en) * | 2020-09-24 | 2021-01-15 | 倪国香 | Energy-concerving and environment-protective unloader for injection mold |
| CN112590109A (en) * | 2020-11-12 | 2021-04-02 | 何艳 | Injection molding method of building template |
| CN112590108A (en) * | 2020-11-12 | 2021-04-02 | 何艳 | Injection molding device for building template |
-
2019
- 2019-11-05 CN CN201920448140.3U patent/CN209903850U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399571A (en) * | 2020-03-27 | 2020-07-10 | 合肥海德数控液压设备有限公司 | Electrical control system for multi-region temperature and pressure servo control hydraulic machine |
| CN112223642A (en) * | 2020-09-24 | 2021-01-15 | 倪国香 | Energy-concerving and environment-protective unloader for injection mold |
| CN112590109A (en) * | 2020-11-12 | 2021-04-02 | 何艳 | Injection molding method of building template |
| CN112590108A (en) * | 2020-11-12 | 2021-04-02 | 何艳 | Injection molding device for building template |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20211105 |