CN220091508U - Three-roller machine scraping plate structure and three-roller machine using same - Google Patents
Three-roller machine scraping plate structure and three-roller machine using same Download PDFInfo
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- CN220091508U CN220091508U CN202321641629.5U CN202321641629U CN220091508U CN 220091508 U CN220091508 U CN 220091508U CN 202321641629 U CN202321641629 U CN 202321641629U CN 220091508 U CN220091508 U CN 220091508U
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- scraper
- seat
- roller
- support
- connecting plate
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- 238000007790 scraping Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 49
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims 7
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Abstract
The utility model provides a three-roller machine scraping plate structure and a three-roller machine using the same, wherein the scraping plate structure comprises a scraping plate, a scraping knife seat, a material guide plate, a connecting plate, a support and a telescopic driving piece; the scraper is arranged at one end of the scraper seat, and a material guide plate is arranged at the other side of the scraper seat; opposite sides of the other end of the scraper seat are connected with the support in a rolling way, and the scraper seat is detachably connected with the support: a connecting plate is arranged at the other end of the scraper seat, and one end of the connecting plate, which is not connected with the scraper seat, is opposite to the telescopic driving piece; the telescopic driving piece is arranged on the support, and the telescopic end of the telescopic driving piece drives the scraper seat to rotate by pushing the connecting plate; the scraper seat is divided into two parts by taking the rotation axis as a boundary, wherein the gravity of the part where the scraper is positioned is greater than that of the part where the connecting plate is positioned. The scraper structure is applied to a three-roller machine, so that the scraper structure can be automatically controlled through the telescopic driving piece, manual control is not needed, and the material collecting effect is improved.
Description
Technical Field
The utility model relates to the technical field of three-roller grinders, in particular to a three-roller grinder scraping plate structure and a three-roller grinder using the same.
Background
At present, a three-roller machine is mainly applied to slurry grinding and manufacturing, slurry is dispersed through shearing force generated by extrusion between rollers and different rotating speeds, and ground materials are scraped out and collected by a scraper mechanism. In the three-roller machine, the scraping plate mechanism mainly comprises a pressing component and a scraping component, wherein the scraping component mainly comprises a knife board seat and a scraping knife, the pressing component mainly comprises a rotating shaft, a connecting rod and a spring, the spring provides power for the connecting rod, and the scraping component is tightly attached to the discharging roller through a lever structure taking the rotating shaft as a fulcrum, so that discharging work is completed.
At present, the scraper mechanism in the existing three-roller machine has the following defects:
1. the three-roller grinding machine used in the existing factory is mainly composed of three rollers with different rotation speeds, namely a slow roller, a middle roller and a fast roller, slurry is placed between the slow roller and the middle roller and is transferred to the fast roller along with rotation, most of slurry has higher viscosity, the slurry is adhered to the surfaces of the three rollers in grinding, a scraping plate mechanism is usually placed at the fast roller, most of slurry is scraped down along with rotation of the rollers and transferred to the fast roller, and still some slurry is adhered to the slow roller and the middle roller and is not transferred, so that when the surface area of the rollers is larger, residual materials are more, and production efficiency is lower. When the grinding precision is higher, the gap between the rollers is tiny, and the attached materials can possibly block other materials to be ground, so that accumulation is formed.
2. The existing scraper mechanism is generally fixedly connected with the frame in a bolt mode and the like, so that the scraper mechanism is not easy to detach and maintain.
3. The existing scraper mechanism usually needs to manually press a mechanism such as a handle or manually adjust the position of the mechanism to enable the scraper to cling to the roller, so that material collection is completed.
Disclosure of Invention
In view of the above, it is necessary to provide a three-roller scraper structure and a three-roller using the same, so as to automatically control the scraper structure through a telescopic driving piece, and improve the material collecting effect without manual control.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a three-roller scraping plate structure comprises a scraping knife, a scraping knife seat, a material guide plate, a connecting plate, a support and a telescopic driving piece; the scraper is arranged at one end of the scraper seat and is positioned at one side of the scraper seat, the other side of the scraper seat is provided with a material guide plate, and the material guide plate and the scraper are not positioned at the same end; opposite sides of the other end of the scraper seat are connected with the support in a rolling way, and the scraper seat is detachably connected with the support: a connecting plate is arranged at the other end of the scraper seat, and one end of the connecting plate, which is not connected with the scraper seat, is opposite to the telescopic driving piece; the telescopic driving piece is arranged on the support, and the telescopic end of the telescopic driving piece drives the scraper seat to rotate by pushing the connecting plate; the scraper seat is divided into two parts by taking the rotation axis of the scraper seat as a boundary, wherein the gravity of the part where the scraper is positioned is greater than that of the part where the connecting plate is positioned.
Preferably, the scraper is detachably arranged on the scraper seat through a pressing plate; one end of the pressing plate is detachably connected with the scraper seat, and the other end of the pressing plate presses the scraper through the blade pressing bar.
Preferably, the end face of one end of the scraper seat, on which the scraper is mounted, is an inclined face, and the inclined face is inclined from one side of the scraper to the material guide plate.
Preferably, the material guide plate is located between the scraper and the connecting plate, and the plate surface of the material guide plate is angled with the knife surface of the scraper.
Preferably, one end of the scraper seat, which is not connected with the scraper, is provided with a rotating shaft of the scraper seat, and the scraper seat is in rolling connection with the support through the rotating shaft of the scraper seat.
Preferably, a rail is arranged on the support, one end of the rail extends to the end part of the support, and the rotating shaft of the knife board seat is detachably arranged on the support through the rail.
Preferably, the two opposite sides of one end of the scraper seat, on which the scraper is not mounted, are provided with connecting plates, and the connecting plates on each side are opposite to the telescopic end of one telescopic driving piece.
Preferably, the telescopic driving piece comprises a cylinder, a cylinder body of the cylinder is fixed on the support, and the piston rod is opposite to the connecting plate.
Preferably, the telescopic driving piece further comprises a top cutter shaft, the top cutter shaft is connected with a piston rod of an air cylinder, and the air cylinder is abutted against the connecting plate through the top cutter shaft.
The utility model also provides a three-roller machine, which comprises a frame, and a slow roller assembly, a middle roller assembly and a fast roller assembly which are arranged on the frame, wherein the slow roller assembly, the middle roller assembly and the fast roller assembly are respectively provided with the three-roller machine scraping plate structure in a matching way, and a support of each three-roller machine scraping plate structure is arranged on the frame.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the three-roller scraping plate structure, the whole scraping action is controlled through the telescopic driving piece, the telescopic driving piece can realize automatic control, manual control is not needed, and labor cost is reduced to a certain extent.
2. The scraper seat and the support are detachably connected, so that the scraper seat and the scraper on the scraper seat can be detached from the support together, and the scraper can be detached, inspected and cleaned conveniently after operation; in addition, the scraper seat is accommodated on the track of the support through the rotating shaft of the scraper seat, so that the scraper seat is directly pulled to slide along the track to enable the scraper seat to withdraw from the grinder body, the scraper seat can be detached without screwing and other operations, and the detaching operation of the scraper seat is greatly simplified; in addition, the scraper seat and the scraper are connected in a split type, so that the processing cost is low, the disassembly, the inspection and the cleaning are easy, and the maintenance is convenient; therefore, the scraper structure integral assembly is simple and compact in structure, easy to install and maintain and good in practicability.
3. According to the three-roller machine, the scraping plate structures are arranged on the slow roller, the middle roller and the fast roller, so that each roller is provided with the scraping plate, the material circulation direction can be controlled by adjusting the angle of the material guide plate before operation, the phenomenon that materials adhere to the surface of the slow roller after primary grinding and cannot enter secondary grinding is prevented, the materials adhere to the surface of the middle roller after secondary grinding and cannot be collected is also prevented, the grinding efficiency is improved, and the materials are prevented from being accumulated.
Drawings
FIG. 1 is a schematic view of a scraping assembly;
FIG. 2 is a schematic view of a three-roll scraper structure according to the present utility model;
FIG. 3 is a schematic view of a three-roll machine scraper blade configuration and scraping status of the present utility model;
FIG. 4 is a schematic view of a three-roll machine blade configuration and non-scraping configuration of the present utility model;
description of the main reference signs
In the figure: doctor 1, blade layering 2, clamp plate 3, doctor seat 4, material guide plate 5, knife board seat pivot 6, connecting plate 7, track 8, top arbor 9, support 10, cylinder 11, slow roller 12, well roller 13, fast roller 14, slow roller scraper structure 15, well roller scraper structure 16 and fast roller scraper structure 17.
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
Example 1
Referring to fig. 1-2, in a preferred embodiment of the present utility model, a three-roll machine scraper structure includes a scraper 1, a scraper seat 4, a material deflector 5, a connecting plate 7, a support 10 and a telescopic driving member; the scraper 1 is arranged at one end of the scraper seat 4 and is positioned at one side of the scraper seat 4, the other side of the scraper seat 4 is provided with a material guide plate 5, and the material guide plate 5 and the scraper 1 are not positioned at the same end; opposite sides of the other end of the scraper seat 4 are both in rolling connection with the support 10, and the scraper seat 4 is detachably connected with the support 10: a connecting plate 7 is arranged at the other end of the scraper seat 4, and one end of the connecting plate 7, which is not connected with the scraper seat 4, is opposite to the telescopic driving piece; the telescopic driving piece is arranged on the support 10, and the telescopic end of the telescopic driving piece drives the scraper seat 4 to rotate by pushing the connecting plate 7; the scraper seat 4 is divided into two parts by taking the rotation axis as a boundary, wherein the gravity of the part of the scraper 1 is larger than that of the part of the connecting plate 7.
The scraper structure of the utility model realizes the control of scraping and collecting the scraper 1 by utilizing the gravity action and the telescopic driving piece, wherein when scraping is needed, the telescopic driving piece is telescopic and abutted against the connecting plate 7, so that one end of the connecting plate 7 is caused to shift, and the scraper seat 4 is driven to rotate around the rotation axis of the connecting plate 7 by the shift of the one end of the connecting plate 7, thereby causing the scraper 1 to rotate and be attached to the roller; when the cutter is required to be retracted, the telescopic driving piece is retracted to be separated from the connecting plate 7, the connecting plate 7 is not acted by force, and one end of the scraper 1 automatically sags and is separated from the roller due to the fact that the gravity of one end of the scraper 1 is larger than that of one end of the connecting plate 7, so that the cutter is retracted.
In the embodiment, the scraper 1 is detachably arranged on the scraper seat 4 through the pressing plate 3 so as to detach the scraper 1, thereby facilitating the cleaning and replacement of the scraper 1; specifically, one end of the pressing plate 3 is detachably connected with the scraper seat 4, and the other end of the pressing plate compresses the scraper 1 through the blade pressing bar 2. That is, the pressing plate 3 is connected with the scraper seat 4 in a split type, the rear part of the pressing plate can be detachably connected with the scraper seat 4 through a screw or a bolt, and the front part of the pressing plate presses the scraper 1 through the blade pressing bar 2, so that the scraper 1 is fastened on the scraper seat 4.
In the utility model, the scraped material of the scraper 1 can be blocked by the material guide plate 5 to guide the material to a required position, and in order to facilitate the flow guiding, preferably, the end face of one end of the scraper seat 4, on which the scraper 1 is mounted, is an inclined face, and the inclined face is inclined from one side of the scraper 1 to the material guide plate 5, i.e. the inclined face also plays a role in guiding to a certain extent. In this embodiment, the material deflector 5 is located between the scraper 1 and the connecting plate 7, in particular between the rotation axes of the scraper 1 and the scraper seat 4, and the plate surface of the material deflector 5 is angled, preferably at right angles, to the knife surface of the scraper 1, so as to block and drain the material.
In the utility model, the scraper seat 4 is rotatably connected with the support 10 and detachably connected with the support 10, so that the scraper seat 4 and the scraper 1 arranged on the scraper seat can be detached from the support 10, thereby being convenient for replacement, repair and cleaning. In this embodiment, the scraper seat 4 is not connected with the scraper 1 and is provided with a blade seat rotating shaft 6, the scraper seat 4 is connected with the support 10 in a rolling way through the blade seat rotating shaft 6, preferably, the blade seat rotating shaft 6 is arranged at the end part of the other end of the scraper seat 4, and the connecting plate 7 is installed on the blade seat rotating shaft 6. Further, the rail 8 is provided on the support 10, one end of the rail 8 extends to the end of the support 10, the end is not the same as the end where the scraper 1 is located, the rotating shaft 6 of the blade holder is detachably mounted on the support 10 through the rail 8, that is, the rotating shaft 6 of the blade holder can slide out or slide in from the rail 8, so that the blade holder 4 is detached from the support 10 or mounted on the support 10, and thus, the blade holder 4 and the scraper 1 can be separated from the support 10 by pulling the connecting plate 7 backwards, thus the scraper 1 can be detached without manually screwing a screw, the operation is simplified, and the time is saved. It should be noted that, the support 10 in the present utility model may be an integral structure or a split structure, such as the split structure shown in fig. 2, in which a part of the support is used for accommodating the telescopic driving element, and the other part of the support is used for opening the rail 8, and no matter which part of the support 10 needs to be connected to a rack of an applied device (such as a rack of a three-roller machine) during application.
Further, the two opposite sides of one end of the scraper seat 4, on which the scraper 1 is not mounted, are respectively provided with a connecting plate 7, and the connecting plates 7 on each side are opposite to the telescopic ends of one telescopic driving piece, that is, the telescopic driving pieces arranged on the two sides are used for simultaneously acting on the rotating shaft 6 of the scraper seat, so that the scraper 1 is better attached to the roller.
In the utility model, the telescopic driving piece is a driving device for driving the scraper 1 to be attached to realize scraping, the scraper 1 is driven to be attached to the roller by stretching and pushing the connecting plate 7, the specific structure of the telescopic driving piece can be various as long as the telescopic driving piece can realize telescopic pushing action, such as an electric push rod, a linear stepping motor, a hydraulic cylinder and the like, in the embodiment, the telescopic driving piece comprises a cylinder 11, the cylinder body of the cylinder 11 is fixed on the support 10, the piston rod is opposite to the connecting plate 7, and the telescopic driving piece is pushed to act on the connecting plate 7 by the cylinder 11. Further, the telescopic driving piece further comprises a top cutter shaft 9, the top cutter shaft 9 is connected with a piston rod of an air cylinder 11, and the air cylinder 11 is abutted against the connecting plate 7 through the top cutter shaft 9.
The utility model provides a scraper structure of a three-roller machine, which is arranged on the three-roller machine, wherein a scraper 1 is positioned below the side of a slow roller, a middle roller and a fast roller, and the working principle is as follows:
when the three-roller machine works normally, the cylinder 11 of the telescopic driving piece is inflated to eject the top cutter shaft 9, the top cutter shaft 9 abuts against the connecting plate 7, the connecting plate 7 moves downwards under the stress to drive the rotating shaft 6 of the cutter plate seat to rotate, and the scraper seat 4 connected with the rotating shaft 6 of the cutter plate seat and a scraping assembly formed by the scraper 1 and other parts on the scraper seat rotate along with the scraper seat until the scraper 1 clings to the roller, so that the scraping work is started.
After the three-roller grinding work is finished, the air cylinder 11 is vented, the top cutter shaft 9 is retracted, the connecting plate 7 is not stressed, one end of the scraper seat 4 connected with the scraper 1 moves downwards under the action of gravity, the scraper 1 is separated from the roller, and the machine can be cleaned for the next grinding.
When the scraping assembly needs to be disassembled to replace the scraper 1 or to be cleaned, the scraping assembly can be separated from the support 10 by pulling the connecting plate 7 backwards until the rotating shaft 6 of the cutter plate seat is separated from the support 10 from the track 8.
Example 2
Referring to fig. 3-4, based on the above-mentioned scraping plate structure, the present utility model further provides a three-roll machine, which comprises a frame, and a slow roll assembly, a middle roll assembly and a fast roll assembly mounted on the frame, wherein the slow roll assembly, the middle roll assembly and the fast roll assembly are all mounted with one of the three-roll machine scraping plate structures in a matching manner, specifically, the three-roll machine scraping plate structure is mounted under the side of the roller, wherein the three-roll machine scraping plate structure on the slow roll assembly is called a slow roll scraping plate structure 15, the three-roll machine scraping plate structure on the middle roll assembly is called a middle roll scraping plate structure 16, the three-roll machine scraping plate structure on the fast roll assembly is called a fast roll scraping plate structure 17, each support 10 of the three-roll machine scraping plate structure is mounted on the frame, and the material deflector 5 of each three-roll machine scraping plate structure is deviated from the roller where the material deflector 5 is located.
When the device is applied, the blade of the scraper 1 of the fast roller scraper structure 17 presses the fast roller 14 of the fast roller assembly, the scraper 1 of the slow roller scraper structure 15 is arranged below the slow roller 12 of the slow roller assembly, and the relative reasonable angle of the middle roller 13 of the middle roller assembly and the fast roller 14 of the fast roller assembly can be found by adjusting the angle of the material guide plate 5 of the slow roller scraper structure 15, so that materials adhered to the surface of the slow roller 12 after primary grinding accurately enter secondary grinding, the stretching amount of the top cutter shaft 9 is controlled by controlling the air pressure of the air cylinder 11, so that the blade of the scraper 1 presses the roller, and primary grinding materials scraped by the scraper 1 of the slow roller scraper structure 15 can be directly put into the middle roller 13 of the middle roller assembly and the fast roller 14 of the fast roller assembly for secondary grinding, thereby improving the grinding efficiency and preventing the sticky materials from accumulating. Both the middle roller scraping plate structure 16 and the fast roller scraping plate structure can throw scraped materials downwards by adjusting the angle of the material guide plate 5, and then the scraped materials are transported away by a conveyor belt, so that the cleaning of residual materials is avoided.
The working principle of the three-roller machine is as follows: placing an abrasive collection device, opening a three-roller grinder, inflating an air cylinder 11, ejecting a top cutter shaft 9, enabling a connecting plate 7 to move downwards under the stress to drive a cutter plate seat rotating shaft 6 to rotate, and enabling a scraping assembly connected with the cutter plate seat rotating shaft 6 to rotate along with the rotation until a scraper 1 is clung to a roller, wherein the scraping operation is started as shown in figure 3; continuously feeding materials to be ground through a feed inlet, collecting the materials at a collecting end of a conveyor belt by a collecting device to obtain a ground product, discharging air from an air cylinder 11 after finishing grinding, and retracting a top cutter shaft 9 to loosen a scraping plate, wherein the scraping plate is shown in figure 4; the connecting plate 7 is pulled backwards, so that the scraper mechanism is withdrawn from the grinder body along the track 8 by the rotating shaft 6 of the cutter plate seat, the scraper 1 is disassembled, and the cleaning machine is cleaned to be ground next time.
The foregoing description is directed to the preferred embodiments of the present utility model, but the embodiments are not intended to limit the scope of the utility model, and all equivalent changes or modifications made under the technical spirit of the present utility model should be construed to fall within the scope of the present utility model.
Claims (10)
1. A three-roller scraping plate structure comprises a scraping knife, a scraping knife seat, a material guide plate, a connecting plate, a support and a telescopic driving piece; the method is characterized in that: the scraper is arranged at one end of the scraper seat and is positioned at one side of the scraper seat, the other side of the scraper seat is provided with a material guide plate, and the material guide plate and the scraper are not positioned at the same end; opposite sides of the other end of the scraper seat are connected with the support in a rolling way, and the scraper seat is detachably connected with the support: a connecting plate is arranged at the other end of the scraper seat, and one end of the connecting plate, which is not connected with the scraper seat, is opposite to the telescopic driving piece; the telescopic driving piece is arranged on the support, and the telescopic end of the telescopic driving piece drives the scraper seat to rotate by pushing the connecting plate; the scraper seat is divided into two parts by taking the rotation axis of the scraper seat as a boundary, wherein the gravity of the part where the scraper is positioned is greater than that of the part where the connecting plate is positioned.
2. A three-roll mill flighting construction as defined in claim 1, wherein: the scraper can be detachably arranged on the scraper seat through the pressing plate, one end of the pressing plate is detachably connected with the scraper seat, and the other end of the pressing plate is tightly pressed against the scraper through the blade pressing bar.
3. A three-roll mill flighting construction as defined in claim 1, wherein: the end face of one end of the scraper seat, on which the scraper is arranged, is an inclined face which inclines from one side of the scraper to the material guide plate.
4. A three-roll mill flighting construction as defined in claim 1, wherein: the material guide plate is positioned between the scraper and the connecting plate, and the plate surface of the material guide plate is angled with the knife surface of the scraper.
5. A three-roll mill flighting construction as defined in claim 1, wherein: one end of the scraper seat, which is not connected with the scraper, is provided with a scraper seat rotating shaft, and the scraper seat is in rolling connection with the support through the scraper seat rotating shaft.
6. A three-roll mill flighting construction as defined in claim 5, wherein: the support is provided with a track, one end of the track extends to the end part of the support, and the rotating shaft of the knife board seat is detachably arranged on the support through the track.
7. A three-roll mill flighting construction as defined in claim 1, wherein: the scraper seat is not provided with the connecting plate on the opposite two sides of one end of scraper, and the connecting plate on each side is opposite to the telescopic end of one telescopic driving piece.
8. A three-roll mill flighting construction as defined in claim 1, wherein: the telescopic driving piece comprises an air cylinder, the cylinder body of the air cylinder is fixed on the support, and the piston rod is opposite to the connecting plate.
9. The three-roller blade structure as defined in claim 8, wherein: the telescopic driving piece further comprises a top cutter shaft, the top cutter shaft is connected with a piston rod of an air cylinder, and the air cylinder is abutted against the connecting plate through the top cutter shaft.
10. The utility model provides a three-roller machine, includes the frame and installs slow roller subassembly, well roller subassembly and fast roller subassembly in the frame, its characterized in that: the slow roller assembly, the middle roller assembly and the fast roller assembly are respectively provided with a three-roller scraper structure in a matching way, and the support of each three-roller scraper structure is arranged on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321641629.5U CN220091508U (en) | 2023-06-26 | 2023-06-26 | Three-roller machine scraping plate structure and three-roller machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321641629.5U CN220091508U (en) | 2023-06-26 | 2023-06-26 | Three-roller machine scraping plate structure and three-roller machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220091508U true CN220091508U (en) | 2023-11-28 |
Family
ID=88849351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321641629.5U Active CN220091508U (en) | 2023-06-26 | 2023-06-26 | Three-roller machine scraping plate structure and three-roller machine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220091508U (en) |
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2023
- 2023-06-26 CN CN202321641629.5U patent/CN220091508U/en active Active
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