CN212385875U - Intermittent quantitative injection molding device - Google Patents
Intermittent quantitative injection molding device Download PDFInfo
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- CN212385875U CN212385875U CN202020663584.1U CN202020663584U CN212385875U CN 212385875 U CN212385875 U CN 212385875U CN 202020663584 U CN202020663584 U CN 202020663584U CN 212385875 U CN212385875 U CN 212385875U
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Abstract
The utility model discloses an intermittent type formula ration device of moulding plastics, include: the extrusion device is provided with a feed inlet and a discharge outlet and is used for extruding molten materials; the feeding device is arranged above the extrusion device through a first mounting frame and a second mounting frame, a feeding pipe and a discharging pipe are arranged on the feeding device, the discharging pipe is connected with a feeding hole, and the feeding device is used for quantitatively feeding the extrusion device; the hopper is arranged on the feeding pipe and used for supplying materials to the feeding device; the control box is electrically connected with the feeding device and the extruding device and is used for controlling the feeding device and the extruding device to work; the control box by external power supply, the utility model overcomes prior art's is not enough, the device can realize independently quantitative feeding, and the extrusion process of moulding plastics is intermittent type formula, can satisfy intermittent type formula injection moulding's demand, the product quality of production is stable.
Description
Technical Field
The utility model relates to a technical field of mould plastics specifically belongs to an intermittent type formula ration device of moulding plastics.
Background
Injection molding is one of the common processing modes in the production process of plastic products, and an injection molding piece has the advantages of high structural strength, simple processing process and good product consistency, so most plastic products are processed by adopting an injection molding process. The injection molding equipment is mainly an injection molding machine, and the injection molding machine has the main functions of extruding and plasticizing injection molding molten materials, then injecting the injection molding molten materials into a mold cavity, and cooling and molding the molten materials to obtain an injection molding piece. In the injection molding process, the injection molding pressure and the pressure maintaining time are key parameters influencing the quality of an injection molding part, and the injection molding pressure is mainly generated by the extrusion pressure generated by an extrusion screw of an injection molding machine, so that when the same injection molding part is injected, quantitative melting materials are injected into the injection molding machine, the injection molding pressure can be ensured to be stable during injection molding, the injection molding requirement is met, and the quality of an injection molding product is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an intermittent type formula ration device of moulding plastics has overcome the not enough of prior art, makes the device of moulding plastics can realize intermittent type, ration and extrude the melting charge.
In order to solve the above problems, the utility model adopts the following technical proposal:
an intermittent quantitative injection molding apparatus comprising:
the extrusion device is provided with a feed inlet and a discharge outlet and is used for extruding molten materials;
the feeding device is arranged above the extrusion device through a first mounting frame and a second mounting frame, a feeding pipe and a discharging pipe are arranged on the feeding device, the discharging pipe is connected with a feeding hole, and the feeding device is used for quantitatively feeding the extrusion device;
the hopper is arranged on the feeding pipe and used for supplying materials to the feeding device;
the control box is electrically connected with the feeding device and the extruding device and is used for controlling the feeding device and the extruding device to work;
the control box is powered by an external power supply.
Wherein, extrusion device including extrude the case and extrude the motor, extrusion motor set up in the right side of extruding the case, extrusion case be cylindrical, the left side of extruding the case be equipped with out the workbin, the feed inlet be located the upper portion of extruding the case, the discharge gate be located the left end of play workbin, and the discharge gate be the toper structure, extrusion incasement install and extrude the head, extrude the head and install in extrusion motor's pivot through the connecting rod, extrusion motor and control box electricity be connected.
Wherein, the head of extruding include feeding portion and extrude the portion, the portion of extruding install in the center department of feeding portion left side terminal surface, the portion of extruding be located ejection of compact incasement, the feeding position be located the extrusion incasement, feeding portion be cylindrical, the middle part of feeding portion be equipped with the annular mounting groove, the annular mounting groove on install the sealing ring, the left side feeding portion of annular mounting groove on be equipped with feed inlet matched with feedstock channel, feedstock channel's both ends be located the upper surface and the left end face of feeding portion respectively, the portion of extruding on be equipped with the spiral shell arris.
Wherein, feed arrangement include feeding case and push rod motor, the push rod motor set up in the right side of feeding case, the push rod motor be connected with the control box electricity, inlet pipe and discharging pipe set up on the left side box of feeding case, the inlet pipe on install the check valve, the feeding incasement be equipped with the piston, the piston install on the telescopic link of push rod motor.
The piston comprises a first piston and a second piston, the first piston and the second piston are identical in structure, the outer side edge of the first piston is in contact with the inner wall of the feeding box, and a sealing ring is arranged between the first piston and the second piston.
Compared with the prior art, the utility model discloses an implement the effect as follows: the utility model discloses a feed arrangement among the injection molding device can inhale the feeding incasement with the melting material in the hopper, then under the promotion of the telescopic link of push rod motor, the piston is to the square removal of discharging pipe, extrude the melting material in the feeding incasement, make the check valve seal the feed pipe, and the feedstock channel on the feeding portion at this moment communicates with the discharging pipe, make the melting material crowded into the left extrusion incasement of feeding portion, and along with the continuation rotation of feeding portion, be disconnected between discharging pipe and the feedstock channel, the telescopic link draws the piston to the square of keeping away from the discharging pipe, because the disconnection between discharging pipe and the feedstock channel at this moment, the in-process that the piston moved, produce the negative pressure in the feeding case, make the check valve open, the melting material in the hopper is inhaled the feeding case; disconnected between discharging pipe and feeding break-make, the feeding portion continues the pivoted in-process, the portion of extruding plasticizes and extrudees the melting charge in the ejection of compact incasement, make the melting charge extruded from the discharge gate, the melting charge is extruded the back, the melting charge of ejection of compact incasement and extrusion incasement reduces, pressure drop, the portion of extruding can't continue to extrude the melting charge, wait for the feeding portion to rotate the back to discharging pipe and feedstock channel intercommunication once more, the melting charge is extruded the case from the feeding case once more, realize the feed supplement back, the device's discharge gate department just can continue to extrude, inject the melting charge into in the mould, the device can realize independently quantitative feeding, and the extrusion process of moulding plastics is intermittent type, can satisfy intermittent type injection molding's demand, the product quality of production is stable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the feeding device;
FIG. 3 is a schematic view of the structure of the feed section;
fig. 4 is a schematic structural diagram of the feeding device and the first mounting frame.
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", "front", "rear", "left", "right", "vertical", "inner", "outer", 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 referred to must have a specific orientation to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, the utility model relates to an intermittent type formula ration device of moulding plastics, including extrusion device, feed arrangement, hopper 9 and control box 3, control box 3 is connected with external power supply electricity.
As shown in fig. 1-3, the extrusion device includes an extrusion box 4 and an extrusion motor 6, the extrusion motor 6 is a servo motor, the extrusion device is provided with a feed inlet and a discharge outlet, the extrusion motor 6 is arranged on the right side of the extrusion box 4, the extrusion motor 6 is electrically connected with the control box 3, the extrusion box 4 is cylindrical, the left side of the extrusion box 4 is provided with a discharge box 41, the feed inlet is positioned on the upper part of the extrusion box 4, the discharge outlet is positioned at the left end of the discharge box 41, the discharge outlet is of a conical structure, an extrusion head is installed in the extrusion box 4, the extrusion head is installed on a rotating shaft 61 of the extrusion motor 6 through a connecting rod 62, and the connecting rod 62 is connected with the; the head of extruding includes feed portion 5 and extrusion portion 50, extrusion portion 50 installs in the center department of 5 left side terminal surfaces of feed portion, extrusion portion 50 is located ejection of compact case 41, feed portion 5 is located extrusion case 4, feed portion 5 is cylindrical, the middle part of feed portion 5 is equipped with annular mounting groove 54, install sealing ring 7 on the annular mounting groove 54, sealing ring 7 can will extrude the head and extrude and seal between the case 4, prevent that the melting material from producing and leaking, be equipped with on the left side feed portion 5 of annular mounting groove 54 with feed inlet matched with feedstock channel 53, feedstock channel 53's both ends are located the upper surface and the left end face of feed portion 5 respectively, be equipped with spiral shell 51 on the extrusion portion 50.
As shown in fig. 1 and 4, the feeding device is installed above the extrusion device through a first mounting frame 13 and a second mounting frame 19, the feeding device comprises a feeding box 1 and a push rod motor 2, the push rod motor 2 is arranged on the right side of the feeding box 1, the push rod motor 2 is electrically connected with a control box 3, a feeding pipe 11 and a discharging pipe 12 are arranged on a left box body of the feeding box 1, a check valve 14 is installed on the feeding pipe 11, the feeding pipe 11 above the check valve 14 is connected with a hopper 9, molten material is contained in the hopper 9, a piston is arranged in the feeding box 1 and is installed on an expansion rod 21 of the push rod motor 2, the piston comprises a first piston 16 and a second piston 17, the first piston 16 and the second piston 17 are identical in structure, outer side edges are both contacted with the inner wall of the feeding box 1, a sealing ring 18 is arranged between the first piston 16 and the second piston 17, the feeding, the outlet pipe 12 is connected to the inlet opening.
When the device is used, the control box 3 is connected with an external power supply, the push rod motor 2 and the extrusion motor 6 of the device are supplied with power through the control box 3, and the extrusion motor 6 and the push rod motor 2 start to work. When the feed pipe 11 is just communicated with the feed channel 53, the piston is positioned at the rightmost end of the feed box 1; along with the rotation of the feeding part 5, the communication area between the feeding channel 53 and the feeding pipe 11 is gradually increased and then gradually decreased, meanwhile, the push rod motor 2 pushes the piston to the direction of the discharging pipe 12 on the left side of the feeding box 1 through the telescopic rod 21 to extrude the molten material in the feeding box 1, so that the feeding pipe 11 is sealed by the check valve 14, the feeding channel 53 on the feeding part 5 is communicated with the discharging pipe 12 at the moment, so that the molten material is extruded into the extruding box 4 on the left side of the feeding part 5, and when the communication between the feeding channel 53 and the feeding pipe 11 is just disconnected, the piston reaches the leftmost end of the feeding box 1 at the moment; then, the feeding part 5 continues to rotate, the push rod motor 2 pulls the piston from the leftmost end to the rightmost end of the feeding box 1, when the feeding pipe 11 is just communicated with the feeding channel 53, the piston reaches the rightmost end of the feeding box 1, and then the steps are continued, so that the feeding box 1 feeds the extrusion box 4 intermittently and quantitatively.
When the discharge pipe 12 and the feeding channel 53 are disconnected, the telescopic rod 21 pulls the piston to the direction away from the discharge pipe 12, and in the process of moving the piston, negative pressure is generated in the feeding box 1, so that the check valve 14 is opened, and molten material in the hopper 9 is sucked into the feeding box 1; meanwhile, in the process that the feeding part 5 continues to rotate, the extrusion part 50 plasticizes and extrudes the molten material in the discharge box 41, so that the molten material is extruded from the discharge port, after the molten material is extruded, the molten material in the discharge box 41 and the extrusion box 4 is reduced, the pressure is reduced, the extrusion part 50 cannot continue to extrude the molten material, after the feeding part 5 rotates to the discharge pipe 12 to be communicated with the feeding channel 53 again, the molten material is extruded into the extrusion box 4 from the feeding box 1 again, after the material feeding is realized, the discharge port of the device can continue to extrude, the molten material is injected into the mold, the device can realize autonomous quantitative feeding, the injection molding extrusion process is intermittent, the requirement of intermittent injection molding processing can be met, and the quality of the produced product is stable.
In this apparatus, since the distance of each movement of the piston in the feed box 1 is the same, the volume of the molten material extruded into the extrusion box 4 in each time in the feed box 1 is the same, and the quantitative feeding is realized.
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 (5)
1. An intermittent quantitative injection molding device, comprising:
the extrusion device is provided with a feed inlet and a discharge outlet and is used for extruding molten materials;
the feeding device is arranged above the extrusion device through a first mounting frame and a second mounting frame, a feeding pipe and a discharging pipe are arranged on the feeding device, the discharging pipe is connected with a feeding hole, and the feeding device is used for quantitatively feeding the extrusion device;
the hopper is arranged on the feeding pipe and used for supplying materials to the feeding device;
the control box is electrically connected with the feeding device and the extruding device and is used for controlling the feeding device and the extruding device to work;
the control box is powered by an external power supply.
2. The intermittent quantitative injection molding device according to claim 1, wherein the extrusion device comprises an extrusion box and an extrusion motor, the extrusion motor is arranged on the right side of the extrusion box, the extrusion box is cylindrical, a discharge box is arranged on the left side of the extrusion box, the feed inlet is located on the upper portion of the extrusion box, the discharge outlet is located at the left end of the discharge box and is of a conical structure, an extrusion head is installed in the extrusion box, the extrusion head is installed on a rotating shaft of the extrusion motor through a connecting rod, and the extrusion motor is electrically connected with the control box.
3. The intermittent quantitative injection molding device according to claim 2, wherein the extrusion head comprises a feeding portion and an extrusion portion, the extrusion portion is installed at the center of the left end face of the feeding portion, the extrusion portion is located in the discharge box, the feeding portion is located in the extrusion box, the feeding portion is cylindrical, an annular installation groove is formed in the middle of the feeding portion, a sealing ring is installed on the annular installation groove, a feeding channel matched with the feeding port is arranged on the feeding portion on the left side of the annular installation groove, two ends of the feeding channel are respectively located on the upper surface and the left end face of the feeding portion, and a screw rib is arranged on the extrusion portion.
4. The batch type quantitative injection molding device according to claim 1, wherein the feeding device comprises a feeding box and a push rod motor, the push rod motor is arranged on the right side of the feeding box, the push rod motor is electrically connected with the control box, the feeding pipe and the discharging pipe are arranged on a left box body of the feeding box, a check valve is arranged on the feeding pipe, a piston is arranged in the feeding box, and the piston is arranged on an expansion rod of the push rod motor.
5. A batch-type metering injection molding apparatus as claimed in claim 4, wherein said pistons include first and second pistons of the same construction, the outer edges of which are in contact with the inner wall of the feed tank, and a seal ring is disposed between the first and second pistons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020663584.1U CN212385875U (en) | 2020-04-27 | 2020-04-27 | Intermittent quantitative injection molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020663584.1U CN212385875U (en) | 2020-04-27 | 2020-04-27 | Intermittent quantitative injection molding device |
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| CN212385875U true CN212385875U (en) | 2021-01-22 |
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| CN202020663584.1U Active CN212385875U (en) | 2020-04-27 | 2020-04-27 | Intermittent quantitative injection molding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510914A (en) * | 2021-04-08 | 2021-10-19 | 浙江都达新材料科技有限公司 | PVC pipe extruder with automatic material mixing function |
| CN114714555A (en) * | 2022-06-08 | 2022-07-08 | 安能绿色建筑科技有限公司 | Production process of foamed composite heat-insulation board with vacuum heat-insulation plate |
-
2020
- 2020-04-27 CN CN202020663584.1U patent/CN212385875U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510914A (en) * | 2021-04-08 | 2021-10-19 | 浙江都达新材料科技有限公司 | PVC pipe extruder with automatic material mixing function |
| CN113510914B (en) * | 2021-04-08 | 2024-03-26 | 浙江都达新材料科技有限公司 | PVC pipe extruder with automatic mixing function |
| CN114714555A (en) * | 2022-06-08 | 2022-07-08 | 安能绿色建筑科技有限公司 | Production process of foamed composite heat-insulation board with vacuum heat-insulation plate |
| CN114714555B (en) * | 2022-06-08 | 2022-08-12 | 安能绿色建筑科技有限公司 | Production process of foamed composite heat-insulation board with vacuum heat-insulation plate |
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