Feeding device of sheet extruder

Abstract

The utility model relates to the field of sheet extruders, in particular to a feeding device of a sheet extruder, which comprises a barrel, a feeding device and a discharging device. The monitoring assembly is arranged in the barrel and used for monitoring the stock of the raw materials in the barrel in real time; and the stirring assembly is arranged in the cylinder body and is used for stirring the raw materials. Preferably, the monitoring assembly comprises a connecting column arranged in the cylinder body; the monitoring disc is arranged outside the connecting column; the telescopic block is arranged in the monitoring disc, a plurality of telescopic rods are arranged on the inner side of the telescopic block, and the inner ends of the multiple telescopic rods are arranged in the connecting column in a telescopic mode; and the electrode plate a is arranged on the inner side of the telescopic block. By arranging the stirring assembly, the phenomena of bridging and blocking of raw materials can be prevented, by arranging the monitoring assembly, the situation of overflowing of empty materials and full materials can be avoided, and meanwhile the approximate stock of the raw materials in the barrel can be monitored in real time.

Description

Technical Field

[0001] The utility model relates to the field of sheet extruders, in particular to a feeding device for a sheet extruder. Background Art

[0002] Sheet extruder is a mechanical equipment used to produce plastic sheets and is the main machine of the extrusion molding production line. Its working principle is to heat and melt the plastic raw materials, extrude them into sheets through a mold, and form the required sheet products after cooling and pulling. The sheet extruder is mainly composed of a feeding device, an extrusion device, a mold, a cooling device, etc.

[0003] A Chinese patent with authorization announcement number CN211194846U discloses a feeding device for a sheet extruder, wherein an intermediate silo, a vertical feed pipe and a sheet extruder are arranged in sequence from top to bottom between an upper floor and a lower floor, the top of the intermediate silo is open, the upper floor is provided with a through hole, the through hole is connected to the top of the intermediate silo, the through hole is covered with a cover plate, the cover plate is provided with a feed port and a stirring device, the stirring device includes a stirring rod driven by a motor, the stirring rod passes through the intermediate silo, the vertical feed pipe and the feeding hopper of the sheet extruder in sequence from top to bottom.

[0004] However, the above disclosed solutions have the following shortcomings: although the device monitors the feeding of materials through low material and high material sensors, the device can only detect whether the raw materials are full or not, and cannot monitor the amount of raw materials in the device in real time. Utility Model Content

[0005] The utility model aims to propose a sheet extruder feeding device to solve the problem that the background technology can only detect whether the raw material is full or not, but cannot monitor the amount of the raw material in the device in real time.

[0006] The technical solution of the utility model: a feeding device for a sheet extruder comprises:

[0007] Cylinder;

[0008] A monitoring component is arranged inside the cylinder and is used to monitor the stock of the raw material in the cylinder in real time;

[0009] And a stirring component is arranged inside the cylinder and is used for stirring the raw materials.

[0010] Preferably, the monitoring component comprises:

[0011] A connecting column, which is arranged inside the cylinder;

[0012] A monitoring panel is arranged outside the connecting column;

[0013] A telescopic block is arranged inside the monitoring panel, and a plurality of telescopic rods are arranged inside the telescopic block, and the inner ends of the plurality of telescopic rods are telescopically arranged inside the connecting column;

[0014] The electrode sheet a is arranged on the inner side of the telescopic block;

[0015] and an electrode sheet b, which is arranged on the outside of the connecting column.

[0016] Preferably, a guiding plate for guiding materials is provided under the monitoring plate, and the guiding plate is provided on the outside of the connecting column.

[0017] Preferably, the stirring assembly comprises:

[0018] A motor is arranged on the cylinder, a driving end of the motor is provided with a stirring rod, and a stirring blade is arranged on the outer side of the stirring rod;

[0019] And an air pump is arranged outside the cylinder. The output end of the air pump is provided with a connecting pipe, one end of the connecting pipe extends into the cylinder and is connected with an annular pipe, and a plurality of nozzles are arranged on the annular pipe.

[0020] Preferably, an extrusion assembly for sheet extrusion is provided at the bottom of the cylinder.

[0021] Preferably, the extrusion assembly comprises:

[0022] The extrusion cylinder is arranged on the top of the cylinder body, the extrusion cylinder and the cylinder body are connected, and an extrusion head is arranged at one end of the extrusion cylinder.

[0023] and a support, which is arranged at the bottom of the extrusion cylinder.

[0024] Preferably, a material delivery pipe for delivering materials is provided on the cylinder, and the bottom end of the material delivery pipe extends into the interior of the cylinder.

[0025] Preferably, a controller for controlling is arranged outside the extruder, the bottom end of the connecting column is electrically connected to a signal transceiver, and the controller is wirelessly connected to the signal transceiver.

[0026] Compared with the prior art, the utility model has the following beneficial technical effects:

[0027] By setting up a stirring assembly, the raw materials are first fed into the cylinder through the feeding pipe, and then the motor is started, the motor drives the stirring rod to rotate, and then drives the stirring blade to rotate, and then the raw materials are mixed and stirred. At the same time, the air pump is started, and the air pump outputs gas through the annular pipe and sprays out from multiple nozzles to blow up the raw materials to prevent the raw materials from bridging and blocking.

[0028] By setting up a monitoring component, when the raw materials are in the cylinder, they will squeeze the telescopic blocks in the monitoring component, and the multiple telescopic blocks will telescope inward. Under the limiting action of the telescopic rod, the electrode sheet a on the inside of the telescopic block is driven to contact the electrode sheet b, and the receiving center in the linkage connecting tube makes the signal transceiver send an electrical signal, and the controller receives the electrical signal to control the start and shutdown of the motor and the air pump, so as to avoid the overflow of empty and full materials. At the same time, since the telescopic blocks are arranged as multiple groups from top to bottom, the approximate stock of raw materials in the cylinder can be monitored in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0030] Figure 2 for Figure 1 Schematic diagram of the internal structure of the cylinder;

[0031] Figure 3 for Figure 1 Schematic diagram of the monitoring component structure;

[0032] Figure 4 for Figure 3 Schematic diagram of the specific structure;

[0033] Figure 5 for Figure 4 Schematic diagram of the telescopic rod structure.

[0034] Figure numerals: 1. Cylinder; 2. Monitoring assembly; 3. Stirring assembly; 21. Connecting column; 22. Monitoring plate; 23. Telescopic block; 24. Telescopic rod; 25. Electrode sheet a; 26. Electrode sheet b; 221. Guide plate; 31. Motor; 32. Stirring rod; 33. Stirring blades; 34. Air pump; 35. Connecting pipe; 36. Ring pipe; 37. Nozzle; 4. Extrusion assembly; 41. Extrusion barrel; 42. Extrusion head; 43. Support; 5. Feed pipe; 6. Controller; 7. Signal transceiver. DETAILED DESCRIPTION

[0035] Embodiment 1

[0036] like Figure 1 - Figure 5 As shown, a sheet extruder feeding device proposed by the utility model includes a barrel 1, a monitoring component 2 and a stirring component 3:

[0037] The monitoring component 2 is arranged inside the cylinder 1, and is used to monitor the stock of the raw material in the cylinder 1 in real time. The raw material squeezes the telescopic block 23, driving the electrode sheet a25 inside the telescopic block 23 to contact the electrode sheet b26, and the receiving hub in the connecting tube 35 is linked, so that the signal transceiver 7 sends an electrical signal, and the controller 6 receives the electrical signal to control the start and stop of the motor 31 and the air pump 34;

[0038] The stirring assembly 3 is arranged inside the cylinder 1 and is used to stir the raw materials. The stirring rod 32 and the stirring blades 33 mix and stir the raw materials. The air pump 34 outputs gas that is ejected from multiple nozzles 37 through the annular pipe 36 to blow the raw materials up.

[0039] Embodiment 2

[0040] like Figure 2 - Figure 5 As shown, the sheet extruder feeding device proposed by the utility model, compared with the first embodiment, this embodiment further specifically discloses the specific structure of the monitoring component 2. The monitoring component 2 includes a connecting column 21, a monitoring plate 22, a telescopic block 23, a telescopic rod 24, an electrode sheet a25, an electrode sheet b26 and a drainage plate 221;

[0041] The connecting column 21 is arranged inside the cylinder 1, and a hub for transmitting electrical signals is arranged inside the connecting column 21, wherein the hub is connected to the signal transceiver 7;

[0042] The monitoring plate 22 is arranged outside the connecting column 21. The shape of the monitoring plate 22 is set to be a disc, and a plurality of notches matching the shape of the telescopic block 23 are opened, so that the telescopic block 23 can be telescoped inside the monitoring plate 22.

[0043] The telescopic block 23 is arranged inside the monitoring plate 22, and a plurality of telescopic rods 24 are arranged inside the telescopic block 23. The inner ends of the plurality of telescopic rods 24 are telescopically arranged inside the connecting column 21. The number of the telescopic blocks 23 is arranged in a plurality of groups from top to bottom, and a plurality of telescopic blocks are arranged in each group. The plurality of telescopic blocks 23 are arranged around the central axis of the connecting column 21, and the shape of the telescopic block 23 is arranged as a trapezoidal block.

[0044] Furthermore, a spring is provided at one end of the telescopic rod 24 extending into the connecting column 21, and the telescopic rod 24 is extended and retracted by the elastic force of the spring. The accumulated elastic force of the spring drives the telescopic rod 24 and the telescopic block 23 to return to their positions in time.

[0045] The electrode sheet a25 is arranged on the inner side of the telescopic block 23, and the shape of the electrode sheet a25 is rectangular;

[0046] The electrode sheet b26 is arranged outside the connection column 21, and the shape of the electrode sheet b26 is set to be rectangular. The electrode sheet a25 and the electrode sheet b26 are electrically connected when they are in contact;

[0047] Furthermore, a guide plate 221 for guiding materials is provided under the monitoring plate 22. The guide plate 221 is provided on the outside of the connecting column 21. A guide groove is provided in the guide plate 221. The number of guide plates 221 is set to be multiple, and is corresponding to the multiple groups of monitoring plates 22. The raw materials fall through the guide grooves to avoid the raw materials being blocked between the monitoring plates 22.

[0048] Furthermore, a controller 6 for control is provided outside the extruder 41 , and the bottom end of the connecting column 21 is electrically connected to a signal transceiver 7 . The controller 6 is wirelessly connected to the signal transceiver 7 . The controller 6 receives electrical signals to control the start and stop of the motor 31 and the air pump 34 .

[0049] Embodiment 3

[0050] like Figure 2 As shown, the sheet extruder feeding device proposed by the utility model, compared with the first embodiment, this embodiment further specifically discloses the specific structure of the stirring component 3. The stirring component 3 includes a motor 31, a stirring rod 32, a stirring blade 33, an air pump 34, a connecting pipe 35, a ring pipe 36 and a nozzle 37;

[0051] The motor 31 is arranged on the cylinder 1, and a stirring rod 32 is arranged at the driving end of the motor 31. A stirring blade 33 is arranged on the outer side of the stirring rod 32. Two stirring blades 33 are arranged, and the two stirring blades 33 are arranged around the central axis of the stirring rod 32. The two stirring blades 33 do not interfere with the feeding pipe 5 and the monitoring component 2.

[0052] The air pump 34 is arranged outside the cylinder 1, and a connecting pipe 35 is arranged at the output end of the air pump 34. One end of the connecting pipe 35 extends into the cylinder 1 and is connected to an annular pipe 36. A plurality of nozzles 37 are arranged on the annular pipe 36. The annular pipe 36, the connecting pipe 35 and the nozzles 37 are all interconnected.

[0053] Embodiment 4

[0054] like Figure 1 As shown, the sheet extruder feeding device proposed by the utility model, compared with the first embodiment, this embodiment further specifically discloses the specific structure of the extrusion assembly 4. The extrusion assembly 4 includes an extrusion assembly 4, an extrusion barrel 41, an extrusion head 42 and a support 43;

[0055] The extrusion barrel 41 is arranged at the top of the barrel 1, and the extrusion barrel 41 is connected to the barrel 1. An extrusion head 42 is arranged at one end of the extrusion barrel 41. The mixed raw materials in the barrel 1 enter the extrusion barrel 41, and are crushed and mixed by the spiral feeding device inside the extrusion barrel 41 and then transported to the extrusion head 42 for extrusion.

[0056] The support 43 is disposed at the bottom of the extrusion cylinder 41 . The number of the support 43 is two, and the two supports 43 are used to support the device.

[0057] Embodiment 5

[0058] like Figure 2 As shown, the sheet extruder feeding device proposed by the utility model, compared with the first embodiment, this embodiment also includes a feeding pipe 5;

[0059] The barrel 1 is provided with a feeding pipe 5 for feeding materials, the bottom end of which extends into the barrel 1 . The feeding pipe 5 is tubular in shape, and the bottom end of which extends into the barrel 1 for feeding materials, and does not interfere with the stirring assembly 3 in the barrel 1 .

[0060] In summary, the working principle of the utility model is as follows: when in use, the raw material is first fed into the barrel 1 through the feed pipe 5, and then the motor 31 is started, the motor 31 drives the stirring rod 32 to rotate, and then drives the stirring blade 33 to rotate, and then the raw material is mixed and stirred. At the same time, the air pump 34 is started, and the air pump 34 outputs gas and is ejected from multiple nozzles 37 through the annular tube 36 to blow the raw material up to prevent the raw material from bridging and blocking. When the raw material is in the barrel 1, it will squeeze the monitoring component 2. The telescopic block 23, multiple telescopic blocks 23 are telescoped inward, and under the limiting effect of the telescopic rod 24, the electrode sheet a25 on the inside of the telescopic block 23 is driven to contact the electrode sheet b26, and the receiving center in the linkage connecting tube 35 is linked to make the signal transceiver 7 send an electrical signal, and the controller 6 receives the electrical signal to control the start and stop of the motor 31 and the air pump 34, so as to avoid the overflow of empty materials and full materials. At the same time, since the telescopic blocks 23 are arranged as multiple groups from top to bottom, the approximate stock of the raw materials in the cylinder 1 can be monitored in real time.

[0061] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A feeding device for a sheet extruder, characterized in that: include: Cylinder (1); The monitoring component (2) is arranged inside the cylinder (1) and is used to monitor the stock of the raw material in the cylinder (1) in real time; the monitoring component (2) comprises: A connecting column (21) is arranged inside the cylinder (1); A monitoring panel (22) is arranged outside the connecting column (21); A telescopic block (23) is arranged inside the monitoring panel (22), a plurality of telescopic rods (24) are arranged inside the telescopic block (23), and the inner ends of the plurality of telescopic rods (24) are telescopically arranged inside the connecting column (21); An electrode sheet a (25) is arranged on the inner side of the telescopic block (23); and an electrode sheet b (26) disposed on the outside of the connecting column (21); And a stirring assembly (3), which is arranged inside the cylinder (1) and is used to stir the raw materials.

2. The sheet extruder feeding device according to claim 1, characterized in that: A guiding plate (221) for guiding materials is arranged under the monitoring plate (22), and the guiding plate (221) is arranged on the outside of the connecting column (21).

3. The sheet extruder feeding device according to claim 1, characterized in that: The stirring assembly (3) comprises: A motor (31) is arranged on the cylinder (1), a driving end of the motor (31) is provided with a stirring rod (32), and a stirring blade (33) is arranged on the outer side of the stirring rod (32); and an air pump (34) which is arranged outside the cylinder (1); a connecting pipe (35) is arranged at the output end of the air pump (34); one end of the connecting pipe (35) extends into the cylinder (1) and is connected to an annular pipe (36); and a plurality of nozzles (37) are arranged on the annular pipe (36).

4. The sheet extruder feeding device according to claim 1, characterized in that: An extrusion assembly (4) for extruding a sheet is arranged at the bottom of the cylinder (1).

5. The sheet extruder feeding device according to claim 4, characterized in that: The extrusion assembly (4) comprises: An extrusion cylinder (41) is arranged on the top of the cylinder (1), the extrusion cylinder (41) and the cylinder (1) are connected, and an extrusion head (42) is arranged at one end of the extrusion cylinder (41); and a support (43) which is arranged at the bottom of the extrusion cylinder (41).

6. The sheet extruder feeding device according to claim 1, characterized in that: A material conveying pipe (5) for conveying materials is arranged on the cylinder (1), and the bottom end of the material conveying pipe (5) extends into the interior of the cylinder (1).

7. The sheet extruder feeding device according to claim 5, characterized in that: A controller (6) for controlling is arranged outside the extrusion cylinder (41), the bottom end of the connecting column (21) is electrically connected to a signal transceiver (7), and the controller (6) is wirelessly connected to the signal transceiver (7).

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