CN111002555A - Feeding device of double-screw extruder - Google Patents
Feeding device of double-screw extruder Download PDFInfo
- Publication number
- CN111002555A CN111002555A CN201911239477.4A CN201911239477A CN111002555A CN 111002555 A CN111002555 A CN 111002555A CN 201911239477 A CN201911239477 A CN 201911239477A CN 111002555 A CN111002555 A CN 111002555A
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- China
- Prior art keywords
- extruder
- plate
- charging box
- feeding device
- hopper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a feeding device of a double-screw extruder, which can directly feed raw materials to a feeding hole of a metering device of the extruder for filling, and has high feeding efficiency and low labor consumption. The automatic feeding device comprises a guide rail, a support, the charging box, pulley and operating system, the guide rail passes through the support to be fixed in the top of extruder hopper, the pulley is installed to the lower extreme of charging box, first guide slot has been seted up on the guide rail, the lower part of pulley inlays in first guide slot, set up the door plant mechanism of discharge gate and switching discharge gate on the lower bottom surface of charging box, this door plant mechanism includes the limiting plate, the arm-tie, first extension spring and push pedal, the edge at the discharge gate is fixed to the limiting plate, set up the spout unanimous with the limiting plate shape on the medial surface of limiting plate, the arm-tie is pegged graft in the spout, first extension spring sets up the inner at the spout, the push pedal sets up the lower surface at the arm-tie, the lower extreme of push.
Description
Technical Field
The invention belongs to the technical field of double-screw extruder equipment, and particularly relates to a feeding device of a double-screw extruder.
Background
When the double-screw extruder is used for adding raw materials, the raw materials are often required to be poured into a feeding port of a metering device of the extruder manually, the feeding efficiency is low in the mode, the labor time of workers is long, and the labor intensity is high. The Chinese patent application publication No. CN106273321B discloses a feeding device of an extruder, wherein a conveyor belt is arranged on an N-shaped frame, a plurality of containing grooves are arranged on the conveyor belt, and the extruder is fed and conveyed through the containing grooves on the conveyor belt, so that the feeding efficiency of the extruder is improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a feeding device of a double-screw extruder, which can directly feed raw materials to a feeding hole of a metering device of the extruder for filling, and has the advantages of high feeding efficiency and low labor consumption.
In order to achieve the purpose, the invention provides the following technical scheme: a feeding device of a double-screw extruder comprises a guide rail, a support, a charging box, a pulley and a lifting system, wherein the guide rail is fixed above a hopper of the extruder through the support, the pulley is installed at the lower end of the charging box, a first guide groove is formed in the guide rail, the lower part of the pulley is embedded in the first guide groove and can slide back and forth along the first guide groove, a discharge port and a door plate mechanism capable of opening and closing the discharge port are formed in the lower bottom surface of the charging box, the door plate mechanism comprises a limiting plate, a pulling plate, a first tension spring and a pushing plate, the limiting plate is fixed at the edge of the discharge port and is U-shaped, a sliding groove which is consistent with the limiting plate in shape is formed in the inner side surface of the limiting plate, the pulling plate is inserted in the sliding groove and can cover the discharge port, the first tension spring is arranged at the inner end of the sliding groove, one end of the, the other end of the first tension spring is fixedly connected with the pulling plate, the pushing plate is arranged on the lower surface of the pulling plate, and the lower end of the pushing plate can abut against the edge of the hopper of the extruder when the charging box moves along the guide rail; the lifting system comprises an object stage, a rack and a transmission device, wherein the rack is fixed on one side of the support, the object stage can be arranged on the rack in a vertically moving mode through the transmission device, and a second guide groove capable of being communicated with the first guide groove is formed in the object stage.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the carrier table provided with the loading box is conveyed to the horizontal plane of the opening surface of the hopper by using the transmission device, then one side of the carrier table is abutted against the guide rail to push the loading box, the loading box slides to the first guide groove through the second guide groove, when the loading box moves to the upper part of the hopper of the extruder, the lower end of the push plate on the lower surface of the pull plate is abutted against the edge of the hopper of the extruder to ensure that the pull plate cannot move, at the moment, the loading box is continuously pushed to expose the discharge hole, and simultaneously, the first tension spring is stretched to ensure that the raw materials in the loading box fall into the hopper of the extruder through the discharge hole, a worker only needs to slide the loading box in the loading process, so that the manual labor is reduced, the raw materials in the loading box can fill the hopper at one time, the efficiency is high, and after the loading is finished, only needs to move the loading box away from the hopper of the extruder, the discharge hole is covered, so that the troublesome step of opening and closing the discharge hole by workers is omitted, and the device is simple in structure and reliable in use.
As an improvement, inclined plates are arranged inside the charging box and fixed on two sides of the discharge port, so that raw materials on two sides in the box can flow to the discharge port along the inclined plates, and no raw materials are left in the box.
As an improvement, the guide rail is provided with a stopper capable of stopping the charging box, so that the sliding distance of the charging box on the first guide groove can be limited, and the charging box can slide to be right above the hopper.
As the improvement, the number of the first extension springs is at least 2.
As an improvement, a cover plate is slidably arranged on a hopper of the extruder, the lower end surface of the cover plate is abutted against the upper end of the hopper of the extruder, the front side and the rear side of the cover plate are respectively slidably connected with a bracket, guide grooves for inserting the cover plate are formed in two inner sides of the bracket, a second tension spring is connected between the cover plate and the hopper of the extruder, one end of the second tension spring is connected with the lower surface of the cover plate, the other end of the second tension spring is fixedly connected with the side surface of the hopper of the extruder, when a charging box moves to the position above the hopper of the extruder, a limiting plate can push the cover plate to move outwards and expose the hopper of the extruder, so that the design of the cover plate can prevent dust and sundries from falling into the hopper in the production process, thereby avoiding raw material pollution, when the charging box moves to the position above the hopper of the extruder, the limiting plate at the lower end of the charging, simultaneously pull open the second extension spring, make the extruder hopper expose to carry out the material loading, accomplish when the material loading, the extruder hopper is kept away from to the charging box, and the apron can be covered the extruder hopper again under the effect of second extension spring elasticity.
As a modification, the number of the second tension springs is at least 2.
As a modification, one end of the guide groove has an opening through which the cover plate protrudes, so that the cover plate is easily protruded at one end when sliding.
As an improvement, the bracket is rectangular, and the side surface of the bracket is fixedly connected with the rack.
As an improvement, the two ends of the sliding groove are provided with openings for the lower ends of the pulling plates to extend out, so that when the pushing plate is abutted against the hopper of the extruder, one end of the pulling plate can extend out of the openings.
As the improvement, the side of the charging box is also provided with a motor for driving the pulley to rotate, so that more labor is saved, and workers only need to operate the motor.
Drawings
FIG. 1 is a schematic structural diagram of a feeding device of a twin-screw extruder according to the present invention.
FIG. 2 is a schematic view showing the structure of the charging box of the present invention when it is moved.
FIG. 3 is a top view of the track and the charging box of the present invention.
FIG. 4 is a top view of the charging box of the present invention as it moves.
FIG. 5 is a schematic view showing the structure of the lower bottom surface of the charging box in the present invention.
The device comprises a guide rail 1, a guide rail 2, a support 3, a charging box 4, a pulley 5, a hopper 6, a first guide groove 7, a limiting plate 8, a pulling plate 9, a first tension spring 10, a pushing plate 11, a sliding groove 12, an object stage 13, a rack 14, a second guide groove 15, a sloping plate 16, a stop dog 17, a cover plate 18, a second tension spring 19, a motor 20 and a discharging port.
Detailed Description
The invention is described in further detail below:
a feeding device of a double-screw extruder comprises a guide rail 1, a support 2, a charging box 3, a pulley 4 and a lifting system, wherein the guide rail 1 is fixed above a hopper 5 of the extruder through the support 2, the pulley 4 is installed at the lower end of the charging box 3, a first guide groove 6 is formed in the guide rail 1, the lower part of the pulley 4 is embedded in the first guide groove 6 and can slide back and forth along the first guide groove 6, a discharge port 20 and a door plate mechanism capable of opening and closing the discharge port 20 are formed in the lower bottom surface of the charging box 3, the door plate mechanism comprises a limiting plate 7, a pulling plate 8, a first tension spring 9 and a pushing plate 10, the limiting plate 7 is fixed at the edge of the discharge port 20, the limiting plate 7 is U-shaped, a sliding groove 11 which is identical to the limiting plate 7 in shape is formed in the inner side surface of the limiting plate 7, the pulling plate 8 is inserted in the sliding groove 11 and can, the first tension spring 9 is arranged at the inner end of the sliding groove 11, one end of the first tension spring 9 is connected with the inner end of the sliding groove 11, the other end of the first tension spring 9 is fixedly connected with the pulling plate 8, the pushing plate 10 is arranged on the lower surface of the pulling plate 8, and the lower end of the pushing plate 10 can abut against the edge of the extruder hopper 5 when the charging box 3 moves along the guide rail 1; the lifting system comprises an object stage 12, a rack 13 and a transmission device, wherein the rack 13 is fixed on one side of the support 2, the object stage 12 can be vertically moved on the rack 13 through the transmission device, and a second guide groove 14 capable of being communicated with the first guide groove 6 is formed in the object stage 12. In the invention, a carrier 12 provided with a charging box 3 is conveyed to the horizontal plane of the opening surface of a hopper 5 by using a transmission device, then one side of the carrier 12 is abutted against a guide rail 1 to push the charging box 3, the charging box 3 slides to a first guide groove 6 through a second guide groove 14, when the charging box 3 moves to the upper part of the hopper 5 of an extruder, the lower end of a push plate 10 on the lower surface of a pulling plate 8 is abutted against the edge of the hopper 5 of the extruder to prevent the pulling plate 8 from moving, at the moment, the charging box 3 is continuously pushed to expose a discharge hole 20, and simultaneously, a first tension spring 9 is stretched to further enable the raw materials in the charging box 3 to fall into the hopper 5 of the extruder through a discharge hole 20, a worker only needs to slide the charging box 3 in the charging process, so that the manual labor is reduced, the raw materials in the charging box 3 can be filled into the hopper 5 at one time, the efficiency is high, and after the charging is, under the elastic force effect of first extension spring 9, arm-tie 8 can move to the closed position, covers discharge gate 20, has saved the trouble step of workman's switching discharge gate 20, and simple structure uses reliably.
In this embodiment, the inclined plate 15 is disposed inside the charging box 3, and the inclined plate 15 is fixed on both sides of the discharging hole 20, so that the raw materials on both sides in the box can flow to the discharging hole 20 along the inclined plate 15, and no raw material remains in the box.
In this embodiment, the guide rail 1 is provided with a stopper 16 for stopping the charging box 3, so that the sliding distance of the charging box 3 on the first guide groove 6 can be limited, and the charging box 3 can be accurately slid right above the hopper 5.
In this embodiment, the number of the first tension springs 9 is at least 2.
In this embodiment, a cover plate 17 is slidably disposed on the extruder hopper 5, a lower end surface of the cover plate 17 abuts against an upper end of the extruder hopper 5, front and rear sides of the cover plate 17 are slidably connected to the bracket 2, guide grooves into which the cover plate 17 is inserted are formed on two inner sides of the bracket 2, a second tension spring 18 is further connected between the cover plate 17 and the extruder hopper 5, one end of the second tension spring 18 is connected to a lower surface of the cover plate 17, and the other end of the second tension spring 18 is fixedly connected to a side surface of the extruder hopper 5, when the charging box 3 moves above the extruder hopper 5, the limiting plate 7 can push the cover plate 17 to move outward and expose the extruder hopper 5, so that the design of the cover plate 17 can prevent dust and impurities from falling into the hopper 5 during production, thereby avoiding raw material pollution, and when charging, the charging box 3 moves above the extruder hopper 5, the limiting plate 7 at the lower end of the charging box 3 can push the cover plate 17 to slide outwards, and simultaneously the second tension spring 18 is pulled open, so that the extruder hopper 5 is exposed, thereby feeding, when the feeding is completed, the charging box 3 is far away from the extruder hopper 5, and the cover plate 17 can cover the extruder hopper 5 again under the action of the elastic force of the second tension spring 18.
In this embodiment, the number of the second extension springs 18 is at least 2.
In this embodiment, one end of the guide groove has an opening through which the cover 17 is extended, so that one end of the cover 17 is extended when sliding.
In this embodiment, the bracket 2 is rectangular, and the side surface of the bracket 2 is fixedly connected to the frame 13.
In this embodiment, the two ends of the chute 11 have openings through which the lower ends of the pulling plates 8 extend, so that when the pushing plate 10 abuts against the extruder hopper 5, one end of the pulling plate 8 extends through the openings.
In this embodiment, the side of the charging box 3 is further provided with a motor 19 for driving the pulley 4 to rotate, so that labor is saved, and a worker only needs to operate the motor 19.
In this embodiment, the transmission device uses the existing lifting device, for example, a chain and a gear are matched with a motor to perform transmission, and therefore, the details are not described.
In this embodiment, the feed port of the hopper 5 of the extruder is provided with a metering device capable of calculating the amount of the raw material fed to the feed port, such as a screw metering device, and therefore, it is not specifically described.
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 (10)
1. A feeding device of a double-screw extruder comprises a guide rail, a support, a charging box, a pulley and a lifting system, wherein the guide rail is fixed above a hopper of the extruder through the support, the pulley is installed at the lower end of the charging box, a first guide groove is formed in the guide rail, the lower part of the pulley is embedded in the first guide groove and can slide back and forth along the first guide groove, the feeding device is characterized in that a discharge port and a door plate mechanism capable of opening and closing the discharge port are formed in the lower bottom surface of the charging box, the door plate mechanism comprises a limiting plate, a pulling plate, a first tension spring and a pushing plate, the limiting plate is fixed at the edge of the discharge port, the limiting plate is U-shaped, a sliding groove which is consistent with the limiting plate in shape is formed in the inner side surface of the limiting plate, the pulling plate is inserted in the sliding groove and can cover the discharge port, and, one end of the first tension spring is connected with the inner end of the sliding chute, the other end of the first tension spring is fixedly connected with the pulling plate, the pushing plate is arranged on the lower surface of the pulling plate, and the lower end of the pushing plate can abut against the edge of the hopper of the extruder when the charging box moves along the guide rail;
the lifting system comprises an object stage, a rack and a transmission device, wherein the rack is fixed on one side of the support, the object stage can be arranged on the rack in a vertically moving mode through the transmission device, and a second guide groove capable of being communicated with the first guide groove is formed in the object stage.
2. The feeding device of a twin-screw extruder according to claim 1, wherein the charging box is provided inside with inclined plates fixed on both sides of the discharge port.
3. The feeding device of a twin-screw extruder as claimed in claim 1, wherein said guide rail is provided with a stopper for stopping the charging box.
4. The feeding device of twin-screw extruder as claimed in claim 1, wherein the number of the first tension springs is at least 2.
5. The feeding device of the twin-screw extruder of claim 1, wherein the extruder hopper is slidably provided with a cover plate, the lower end surface of the cover plate abuts against the upper end of the extruder hopper, the front side and the rear side of the cover plate are slidably connected with the support respectively, two inner sides of the support are provided with guide grooves for the cover plate to be inserted into, a second tension spring is further connected between the cover plate and the extruder hopper, one end of the second tension spring is connected with the lower surface of the cover plate, the other end of the second tension spring is fixedly connected with the side surface of the extruder hopper, and when the charging box moves above the extruder hopper, the limiting plate can push the cover plate to move outwards and expose the extruder hopper.
6. The feeding device of twin-screw extruder as claimed in claim 5, wherein the number of the second tension springs is at least 2.
7. The feeding device of a twin-screw extruder as claimed in claim 1, wherein one end of said guide groove has an opening through which said cover plate is projected.
8. The feeding device of a twin-screw extruder as claimed in claim 1, wherein the shape of the support is rectangular, and the side of the support is fixedly connected with the frame.
9. The feeding device of a twin-screw extruder as claimed in claim 1, wherein both ends of said chute have openings through which the lower ends of said pulling plates protrude.
10. The feeding device of a twin-screw extruder as claimed in claim 1, wherein the side of the charging box is further provided with a motor for driving the pulley to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911239477.4A CN111002555A (en) | 2019-12-06 | 2019-12-06 | Feeding device of double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911239477.4A CN111002555A (en) | 2019-12-06 | 2019-12-06 | Feeding device of double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111002555A true CN111002555A (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911239477.4A Pending CN111002555A (en) | 2019-12-06 | 2019-12-06 | Feeding device of double-screw extruder |
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| CN (1) | CN111002555A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953396A (en) * | 2022-06-06 | 2022-08-30 | 张瑞洋 | Take automatic feeding mechanism's polyolefin to extrude foaming and use extruder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030090039A1 (en) * | 2000-05-22 | 2003-05-15 | Isaac Ghebre-Sellassie | Continuous production of pharmaceutical granulation |
| CN204292088U (en) * | 2014-11-21 | 2015-04-29 | 浙江理工大学 | A kind of controllable cream automatic extrusion device |
| CN207403431U (en) * | 2017-07-06 | 2018-05-25 | 江苏马可笔业有限公司 | A kind of automatic feeder of hydraulic pressure core extruding machine |
| CN109249603A (en) * | 2018-11-08 | 2019-01-22 | 新昌县三维精工机械有限公司 | A kind of plastics VOC extruder with automatic feeding system |
| CN209454127U (en) * | 2018-12-21 | 2019-10-01 | 佛山市东谷兴盛工程材料有限公司 | A kind of feeding device of extruder |
-
2019
- 2019-12-06 CN CN201911239477.4A patent/CN111002555A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030090039A1 (en) * | 2000-05-22 | 2003-05-15 | Isaac Ghebre-Sellassie | Continuous production of pharmaceutical granulation |
| CN204292088U (en) * | 2014-11-21 | 2015-04-29 | 浙江理工大学 | A kind of controllable cream automatic extrusion device |
| CN207403431U (en) * | 2017-07-06 | 2018-05-25 | 江苏马可笔业有限公司 | A kind of automatic feeder of hydraulic pressure core extruding machine |
| CN109249603A (en) * | 2018-11-08 | 2019-01-22 | 新昌县三维精工机械有限公司 | A kind of plastics VOC extruder with automatic feeding system |
| CN209454127U (en) * | 2018-12-21 | 2019-10-01 | 佛山市东谷兴盛工程材料有限公司 | A kind of feeding device of extruder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953396A (en) * | 2022-06-06 | 2022-08-30 | 张瑞洋 | Take automatic feeding mechanism's polyolefin to extrude foaming and use extruder |
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Application publication date: 20200414 |
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| RJ01 | Rejection of invention patent application after publication |