CN214188165U - Feeding extrusion device of automatic injection molding machine - Google Patents
Feeding extrusion device of automatic injection molding machine Download PDFInfo
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- CN214188165U CN214188165U CN202022275414.9U CN202022275414U CN214188165U CN 214188165 U CN214188165 U CN 214188165U CN 202022275414 U CN202022275414 U CN 202022275414U CN 214188165 U CN214188165 U CN 214188165U
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Abstract
The utility model discloses an automatic injection moulding machine's feeding extrusion device belongs to mechanical equipment technical field, include the box and set up in the inlet pipe of box upper end, the inlet pipe below is provided with material feeding unit, the symmetry is provided with left branch material pipe and right branch material pipe in the box, left side branch material pipe, the one end intercommunication inlet pipe of right branch material pipe, other end intercommunication have the crowded material chamber, be provided with the extrusion piston along its length direction in the crowded material chamber, be provided with two discharging pipes along the both ends of extrusion piston in the box, the one end of extrusion piston is connected with drive arrangement, and when drive arrangement during operation, the extrusion piston carries out along the ascending reciprocating motion of its length direction, the utility model has the advantages of can mould plastics the processing to two forming die, improve the efficiency of moulding plastics.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, specifically be an automatic injection moulding machine's feeding extrusion device.
Background
The injection molding machine works in a principle similar to that of an injection syringe for injection, and is a technological process of injecting plastic in a plasticized molten state (i.e. viscous state) into a closed mold cavity by means of the thrust of a screw (or a plunger), and obtaining a product after solidification and shaping, wherein the injection molding is a cyclic process, and each cycle mainly comprises the following steps: quantitative feeding, melting and plasticizing, pressure injection, die cooling, mold opening and part taking, mold closing after the plastic part is taken out, and next circulation is carried out.
The feeding and extruding mode of the existing injection molding machine is mainly to perform plastic injection through one screw (or plunger), the injection molding efficiency of the mode is low, and simultaneous injection on various molds cannot be realized.
To this end, those skilled in the relevant art have improved this, for example, the chinese patent publication No. CN207669648U discloses "an automatic injection molding machine", which includes an injection molding box, a base plate, an injection driving device, a left injection molding barrel assembly and a right injection molding barrel assembly, wherein the injection molding box includes a box body, a feeding pipe and a supporting rod; the middle of the top end of the box body is welded and connected with a feeding pipe; four corners of the bottom end of the box body are respectively welded with a supporting rod; the bottom end of the supporting rod is connected to the top end of the base plate through a screw; the centre on the top of bed plate sets up T shape spout, though the utility model discloses can mould plastics to the forming die of both sides simultaneously, satisfy the efficient characteristics of moulding plastics.
Nevertheless technical scheme in this application file still exists not enoughly, if this utility model is through the left side section of thick bamboo subassembly of moulding plastics and the right side section of thick bamboo subassembly of moulding plastics realizes moulding plastics the processing to the forming die of both sides simultaneously, but holistic structure is more complicated, and area is great, uses to some less factory buildings of area and compares the limitation, can not by wide application.
Based on this, the utility model designs an automatic injection moulding machine's feeding extrusion device to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic injection moulding machine's feeding extrusion device to solve above-mentioned technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic injection moulding machine's feeding extrusion device, includes the box and sets up in the inlet pipe of box upper end, the inlet pipe below is provided with material feeding unit, the symmetry is provided with left branch material pipe and right branch material pipe in the box, left side branch material pipe, the one end intercommunication inlet pipe of right branch material pipe, other end intercommunication have the crowded material chamber, be provided with the extrusion piston in crowded material intracavity along its length direction, be provided with two discharging pipes along the both ends of extrusion piston in the box, the one end of extrusion piston is connected with drive arrangement, and when drive arrangement during operation, the extrusion piston carries out along the ascending reciprocating motion of its length direction.
Preferably, the driving device comprises a piston rod fixedly connected with one end of the extrusion piston and a cylinder for driving the piston rod.
Preferably, material feeding unit sets up in left transfer roller and the right transfer roller of inlet pipe below including the symmetry, the left side transfer roller is clockwise, turning to of right side transfer roller is opposite with left transfer roller.
Preferably, the extrusion piston is isosceles trapezoid shape for the cross-section, and its shorter base is towards one side of discharging pipe, the box is provided with the extrusion groove with extrusion piston looks adaptation along being close to the ascending both ends of extrusion piston length direction.
Preferably, the left material distributing pipe and the right material distributing pipe are obliquely arranged, and the higher end of the left material distributing pipe and the higher end of the right material distributing pipe are close to one end of the material inlet pipe.
Preferably, one side of the left material distributing pipe and one side of the right material distributing pipe close to the material extruding cavity are both provided with one-way valves.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model comprises a box body and a feeding pipe arranged at the upper end of the box body, wherein a feeding device is arranged below the feeding pipe, a left material distributing pipe and a right material distributing pipe are symmetrically arranged in the box body, one end of the left material distributing pipe and one end of the right material distributing pipe are communicated with the feeding pipe, the other end of the left material distributing pipe and the other end of the right material distributing pipe are communicated with a material extruding cavity, an extruding piston is arranged in the material extruding cavity along the length direction of the material extruding cavity, two discharging pipes are arranged in the box body along the two ends of the extruding piston, one end of the extruding piston is connected with a driving device, when the driving device works, the extruding piston performs reciprocating motion along the length direction, when the utility model is used, firstly, the material is conveyed into the box body through the feeding pipe, the material is respectively shunted towards the left material distributing pipe and the right material distributing pipe through the feeding device, the material enters the material extruding cavity after passing through the left material distributing pipe and the right material distributing pipe, and the extruding piston performs reciprocating motion along the length direction under the driving of the driving device, extrude the material toward one side of keeping away from the cylinder when extrusion piston, meanwhile, the material in the material pipe is divided on the right side flows into the crowded material chamber, when extrusion piston again toward the one side of being close to the cylinder to the material that the material pipe flows is divided on the right side when extruding, meanwhile, the material in the material pipe is divided on the left side flows into crowded material chamber again, from this circulation reciprocal, the material in the crowded material intracavity is extruded through two discharging pipes and is moulded plastics, improves the efficiency of moulding plastics.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a sectional view showing the interior of the case in this embodiment;
fig. 3 is a schematic structural view of the feeding device in this embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a box body; 2. a feed pipe; 3. a feeding device; 31. a left transfer roller; 32. a right transfer roller; 5. a material extruding cavity; 6. a squeeze piston; 7. a drive device; 71. a piston rod; 72. a cylinder; 8. a discharge pipe; 9. extruding a groove; 10. a one-way valve; 11. a left material separating pipe; 12. and a right material separating pipe.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic injection moulding machine's feeding extrusion device, include box 1 and set up in inlet pipe 2 of box 1 upper end, inlet pipe 2 below is provided with material feeding unit 3, the symmetry is provided with left branch material pipe 11 and right branch material pipe 12 in the box 1, left branch material pipe 11, the one end intercommunication inlet pipe 2 of right branch material pipe 12, the other end intercommunication has crowded material chamber 5, be provided with extrusion piston 6 along its length direction in crowded material chamber 5, be provided with two discharging pipes 8 along the both ends of extrusion piston 6 in the box 1, the other end of two discharging pipes 8 is connected with extrusion moulding device respectively, the one end of extrusion piston 6 is connected with drive arrangement 7, when drive arrangement 7 during operation, extrusion piston 6 carries out along the ascending reciprocating motion of its length direction.
As shown in fig. 1 and 2, the left material distributing pipe 11 and the right material distributing pipe 12 are both obliquely arranged, and the higher end of the left material distributing pipe 11 and the higher end of the right material distributing pipe 12 are close to one end of the feeding pipe 2, so that the left material distributing pipe 11 and the right material distributing pipe 12 which are obliquely arranged can be beneficial to enabling materials to slide downwards into the material extruding cavity 5 under the action of gravity, and the materials are prevented from remaining on the inner wall of the material extruding cavity.
As shown in fig. 1 and 2, one side of each of the left material distributing pipe 11 and the right material distributing pipe 12 close to the extrusion chamber 5 is provided with a check valve 10, and by providing the check valves 10, the extrusion piston 6 can be prevented from flowing back into the feeding pipe 2 during the extrusion process.
As shown in fig. 2, the driving device 7 includes a piston rod 71 fixedly connected to one end of the extrusion piston 6 and an air cylinder 72 for driving the piston rod 71, and the piston rod 71 is driven by the air cylinder 72 to extend and retract and drive the extrusion piston 6 to reciprocate along the length direction thereof, so as to extrude the material in the extrusion chamber 5 back and forth, thereby improving the injection molding efficiency.
As shown in FIG. 2, the cross section of the extrusion piston 6 is isosceles trapezoid, and the shorter bottom edge of the extrusion piston is towards one side of the discharge pipe 8, the extrusion grooves 9 matched with the extrusion piston 6 are arranged at two ends of the box body 1 in the direction close to the length direction of the extrusion piston 6, and the extrusion piston 6 with the isosceles trapezoid cross section can play a role in guiding, so that the material is extruded integrally towards the direction of the discharge pipe 8.
As shown in fig. 2 and 3, the feeding device 3 includes a left conveying roller 31 and a right conveying roller 32 symmetrically disposed below the feeding pipe 2, the left conveying roller 31 rotates clockwise, the right conveying roller 32 rotates oppositely to the left conveying roller 31, the material enters the box body 1 through the feeding pipe 2, the material is extruded by the left conveying roller 31 and the right conveying roller 32 which rotate oppositely and then is conveyed to two material distribution pipes respectively, on one hand, coagulations in the material can be crushed, the blockage phenomenon is prevented, on the other hand, the material can be distributed, and the material is conveyed to the two material distribution pipes uniformly.
One specific application of this embodiment is:
when the utility model is used, firstly, the material enters the box body 1 through the feeding pipe 2, after being crushed by the left conveying roller 31 and the right conveying roller 32 which are opposite in turning direction, the material is respectively conveyed into the left material distributing pipe 11 and the right material distributing pipe 12, the material enters the extrusion cavity 5 after passing through the left material distributing pipe 11 and the right material distributing pipe 12, the extrusion piston 6 is driven by the air cylinder 72 and the piston rod 71 to reciprocate along the length direction, when the extrusion piston 6 extrudes the material towards one side far away from the air cylinder 72, meanwhile, the material in the right material distributing pipe 12 flows into the extrusion cavity 5, when the extrusion piston 6 extrudes the material flowing out from the right material distributing pipe 12 towards one side near the air cylinder 72, meanwhile, the material in the left material distributing pipe 11 flows into the extrusion cavity 5 again, the material in the extrusion cavity 5 is extruded into the molding device through the two discharging pipes 8 to be molded by injection molding, wherein the left branch material pipe 11 and the right branch material pipe 12 that the slope set up and check valve 10 can make the material flow in the material extrusion chamber 5 and prevent the material from flowing back to the inlet pipe 2 in, and the extrusion piston 6 that the cross-section is trapezoidal shape can make the material wholly extrude towards the direction of discharging pipe 8 and mould plastics.
In conclusion, the structure of the left material distributing pipe 11, the right material distributing pipe 12 and the extrusion piston 6 can be used for simultaneously performing injection molding treatment on two molding dies, and the injection molding efficiency is improved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic injection moulding machine's feeding extrusion device, includes box (1) and sets up in inlet pipe (2) of box (1) upper end, its characterized in that: inlet pipe (2) below is provided with material feeding unit (3), the symmetry is provided with left branch material pipe (11) and right branch material pipe (12) in box (1), the one end intercommunication inlet pipe (2) of left branch material pipe (11), right branch material pipe (12), and other end intercommunication has extrusion chamber (5), be provided with extrusion piston (6) in extrusion chamber (5) along its length direction, be provided with two discharging pipes (8) along the both ends of extrusion piston (6) in box (1), the one end of extrusion piston (6) is connected with drive arrangement (7), and when drive arrangement (7) during operation, extrusion piston (6) carry out along the ascending reciprocating motion of its length direction.
2. A feeding extrusion apparatus of an automatic injection molding machine according to claim 1, characterized in that: the driving device (7) comprises a piston rod (71) fixedly connected with one end of the extrusion piston (6) and a cylinder (72) for driving the piston rod (71).
3. A feeding extrusion apparatus of an automatic injection molding machine according to claim 1, characterized in that: material feeding unit (3) set up in left transfer roller (31) and right transfer roller (32) of inlet pipe (2) below including the symmetry, left side transfer roller (31) are clockwise rotation, turning to of right side transfer roller (32) is opposite with left transfer roller (31).
4. A feeding extrusion apparatus of an automatic injection molding machine according to claim 1, characterized in that: extrusion piston (6) are isosceles trapezoid shape for the cross-section, and its shorter base is towards one side of discharging pipe (8), box (1) is provided with extrusion groove (9) with extrusion piston (6) looks adaptation along being close to the both ends on extrusion piston (6) length direction.
5. A feeding extrusion apparatus of an automatic injection molding machine according to claim 1, characterized in that: left branch material pipe (11) and right branch material pipe (12) all incline to set up, and its higher end is for being close to the one end of inlet pipe (2).
6. A feeding extrusion apparatus of an automatic injection molding machine according to claim 1, characterized in that: one sides of the left material distributing pipe (11) and the right material distributing pipe (12) close to the extrusion cavity (5) are respectively provided with a one-way valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022275414.9U CN214188165U (en) | 2020-10-14 | 2020-10-14 | Feeding extrusion device of automatic injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022275414.9U CN214188165U (en) | 2020-10-14 | 2020-10-14 | Feeding extrusion device of automatic injection molding machine |
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| CN214188165U true CN214188165U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022275414.9U Active CN214188165U (en) | 2020-10-14 | 2020-10-14 | Feeding extrusion device of automatic injection molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889068A (en) * | 2022-04-28 | 2022-08-12 | 南通三信塑胶装备科技股份有限公司 | Automatic demoulding device is used in plastics processing |
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2020
- 2020-10-14 CN CN202022275414.9U patent/CN214188165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889068A (en) * | 2022-04-28 | 2022-08-12 | 南通三信塑胶装备科技股份有限公司 | Automatic demoulding device is used in plastics processing |
| CN114889068B (en) * | 2022-04-28 | 2023-10-03 | 佛山市顺德区天玛仕电子有限公司 | Automatic demoulding device is used in plastic processing |
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