CN219291334U - Press roller mechanism for preventing material leakage - Google Patents
Press roller mechanism for preventing material leakage Download PDFInfo
- Publication number
- CN219291334U CN219291334U CN202320279147.3U CN202320279147U CN219291334U CN 219291334 U CN219291334 U CN 219291334U CN 202320279147 U CN202320279147 U CN 202320279147U CN 219291334 U CN219291334 U CN 219291334U
- Authority
- CN
- China
- Prior art keywords
- press roller
- roller
- materials
- roll
- fixing block
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Glanulating (AREA)
Abstract
The utility model discloses a press roller mechanism for preventing material leakage, which comprises an upper press roller fixing block and a lower press roller fixing block, wherein an upper press roller is arranged on one side of the upper press roller fixing block, a lower press roller is arranged on one side of the lower press roller fixing block, and the lower press roller is positioned right below the upper press roller; sealing baffles are arranged on two sides of the lower press roll, wherein the diameter of each sealing baffle is larger than that of the lower press roll, and the upper parts of the two sealing baffles are positioned on two sides of the upper press roll; according to the automatic sealing device, the sealing baffle plates are arranged on the outer sides of the lower pressing rollers, the upper sides of the two sealing baffle plates are located on the two sides of the upper pressing rollers, dynamic sealing is formed between the sealing baffle plates and the upper pressing rollers, materials are extruded in the moving process of the upper pressing rollers and the lower pressing rollers, meanwhile, the dynamic sealing baffle plates move in the same direction along with the pressing rollers, so that the materials leaked in extrusion can be returned to the correct track under the rotating action of the dynamic sealing baffle plates, the problem of material leakage is successfully solved, and the final granulating rate of the materials is improved.
Description
Technical Field
The utility model relates to the technical field of material lamination, in particular to a compression roller mechanism for preventing material leakage.
Background
According to the basic requirements of the dry granulating process, the dry granulating machine adds the powder into a feeding hopper of the granulating machine for conveying through a feeding machine (manual feeding can also be carried out), the powder is conveyed through a screw feeder, and is pressed at a vertical compression roller, and in the horizontal conveying process, the degassing process of the materials is completed, and the degassing process enables the gas in the powder to be discharged as much as possible, so that the subsequent tabletting process is more effective. The preparation method comprises the steps of tabletting, tablet crushing, granulating, screening, and preparing the medicine particles with certain particle size distribution and density requirements under the condition of not adding adhesives, water or other organic solvents, thereby completing the physical change process from medicine powder to medicine particles.
When the material is conveyed by the screw feeder and enters the press roller mechanism, the upper press roller and the lower press roller rotate oppositely to extrude the material, and the loose material is extruded into sheets under the action of the upper press roller and the lower press roller. However, the existing dry granulator at present has the following technical defects at a compression roller mechanism:
the existing dry granulator compression roller is generally provided with sealing baffles on two sides of the butt joint part of the upper compression roller and the lower compression roller, and materials (the materials in the application refer to powdery materials in the process of medicine processing and are hereinafter referred to as materials) are prevented from leaking on two sides of the compression roller by adjusting gaps between the compression roller and the baffles, but because the baffles are static, the compression roller continuously rotates, the materials can move along with the compression roller under the action of the compression roller, and because the baffles are fixed on two sides of the compression roller and certain gaps are needed to exist between the baffles and the compression roller, powder can leak in the gaps between the baffles and the compression roller in the rotating process, and the leaked medicine powder can fall into the granulator, so that the granulating rate of equipment is reduced.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: how to solve the problem of material leakage caused by static sealing between a compression roller and a sealing baffle in the current dry-method granulator.
In order to solve the technical problems, the utility model provides the following technical scheme:
the compression roller mechanism for preventing the material leakage comprises an upper compression roller fixing block and a lower compression roller fixing block, wherein an upper compression roller is arranged on one side of the upper compression roller fixing block, a lower compression roller is arranged on one side of the lower compression roller fixing block, and the lower compression roller is positioned right below the upper compression roller; sealing baffles are arranged on two sides of the lower press roller, wherein the diameter of each sealing baffle is larger than that of the lower press roller, and the upper sides of the two sealing baffles are positioned on two sides of the upper press roller.
According to the automatic sealing device, the sealing baffle plates are arranged on the outer sides of the lower pressing rollers, the upper sides of the two sealing baffle plates are located on the two sides of the upper pressing rollers, dynamic sealing is formed between the sealing baffle plates and the upper pressing rollers, materials are extruded in the moving process of the upper pressing rollers and the lower pressing rollers, meanwhile, the dynamic sealing baffle plates move in the same direction along with the pressing rollers, so that the materials leaked in extrusion can be returned to the correct track under the rotating action of the dynamic sealing baffle plates, the problem of material leakage is successfully solved, and the granulating rate of the formed materials is improved.
As a further scheme of the utility model: the diameter difference between the sealing baffle and the lower pressing roller is A, wherein the height range of A is 3mm-8mm, and the effect of solving the problem of material leakage in the height range is optimal.
As a further scheme of the utility model: the gap between the inner side of the sealing baffle plate and the upper pressing roller is B, wherein the length range of B is between 0.2mm and 0.8mm, and the gap range has the best effect of preventing the problem of material leakage.
As a further scheme of the utility model: the upper press roll is of a cylindrical structure, a pressing part for pressing materials is arranged outside the upper press roll, and the axial width of the upper press roll is the same as that of the lower press roll.
As a further scheme of the utility model: the lower press roll is of a cylindrical structure, and a pressing part for pressing materials is arranged outside the lower press roll.
As a further scheme of the utility model: an upper gear is arranged on the other side of the upper press roller fixing block, and the upper gear is in transmission connection with the upper press roller through a connecting shaft; a lower gear is arranged on the other side of the lower press roller fixing block, the lower gear is in transmission connection with the lower press roller through a connecting shaft, the lower gear is in meshed connection with the upper gear, and one side of the lower gear is connected to the press roller driving device; the lower gear is controlled by the press roller driving device to drive the upper gear to rotate, so that the upper press roller and the lower press roller are driven to rotate in opposite directions, and materials passing through the upper press roller and the lower press roller can be extruded by the upper press roller and the lower press roller.
As a further scheme of the utility model: the press roller driving device is a motor.
As a further scheme of the utility model: one end of the lower press roll fixing block is provided with a screw feeder, and a discharge hole of the screw feeder is positioned between the lower press roll and the upper press roll.
As a further scheme of the utility model: the device also comprises a hydraulic device, wherein the hydraulic device is positioned above the upper press roller fixing block and is connected with the upper press roller fixing block.
As a further scheme of the utility model: the hydraulic device is a linear motor or a hydraulic cylinder or an electric cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the sealing baffles are arranged on the outer sides of the lower press roller, the upper sides of the two sealing baffles are positioned on the two sides of the upper press roller, dynamic sealing is formed between the sealing baffles and the upper press roller, materials are extruded and move along with the upper press roller and the lower press roller in the moving process of the upper press roller and the lower press roller, and meanwhile, the dynamic sealing baffles move along with the press roller in the same direction, so that the extruded and leaked materials can return to a correct track under the rotating action of the dynamic sealing baffles, the problem of material leakage is successfully solved, and the granulating rate of the formed materials is improved;
secondly, this application is equipped with hydraulic means through the top at last compression roller fixed block, and wherein hydraulic means can carry out the position control of vertical direction to last compression roller fixed block, and then can drive last compression roller and realize position control, then when concrete operation, the staff can adjust the interval between the upper and lower compression roller according to the thickness of required material to can obtain the slice material of corresponding thickness, the flexibility is higher, and the practicality is strong.
Drawings
FIG. 1 is an isometric view of a pressure roller mechanism for preventing leakage of material according to an embodiment of the present utility model;
FIG. 2 is a side view of a pressure roller mechanism for preventing leakage of material according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating the structure of FIG. 1 according to another view angle according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the bottom structure of FIG. 1 according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of the upper and lower rolls of the embodiment of the present utility model when they are mated;
FIG. 6 is a front view of the embodiment of the present utility model shown in FIG. 5;
reference numerals illustrate: 1. an upper press roll; 2. a lower press roll; 3. a sealing baffle; 4. an upper press roller fixing block; 5. a lower press roll fixing block; 6. a hydraulic device; 7. a press roller driving device; 8. a screw feeder; 9. a top gear; 10. and a lower gear.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a press roller mechanism for preventing leakage of materials comprises an upper press roller 1, a lower press roller 2, a sealing baffle 3, an upper press roller fixing block 4, a lower press roller fixing block 5, a hydraulic device 6 and a press roller driving device 7, wherein the upper press roller fixing block 4 is located above the lower press roller fixing block 5, the upper press roller 1 is installed on one side of the upper press roller fixing block 4, the lower press roller 2 is installed on one side of the lower press roller fixing block 5, and the lower press roller 2 is located under the upper press roller 1.
Referring to fig. 2, the upper press roller 1 has a cylindrical structure, and is provided with a nip portion for pressing the material at the outside thereof, and the axial width of the upper press roller 1 is the same as the axial width of the lower press roller 2 (the axial width of the lower press roller 2 does not include the sealing baffles 3 at both sides).
Referring to fig. 2, the lower press roll 2 has a cylindrical structure, and is also provided with a nip portion for pressing the material, as is the upper press roll 1, wherein both the left and right sides of the lower press roll 2 are provided with sealing baffles 3 (the left and right directions thereof are based on fig. 2).
Referring to fig. 1, 5 and 6, the two sealing baffles 3 are identical in structure and are in a circular ring structure, wherein the middle parts of the two sealing baffles 3 are installed at the left side and the right side of the lower pressing roller 2 (the left-right direction of the sealing baffles is based on fig. 2), the upper parts of the sealing baffles 3 are abutted against the two sides of the upper pressing roller 1, namely, the diameter of the sealing baffles 3 is larger than that of the lower pressing roller 2, and the diameter difference between the sealing baffles 3 and the lower pressing roller 2 is defined as A, wherein the length of A is 3mm.
In one of the implementations, the others are the same, except that: the diameter difference between the sealing baffle 3 and the lower press roll 2 is defined as A, wherein the length of A is 5mm, and the effect of solving the problem of material leakage is the best.
In another implementation, the others are the same as above, except that: the difference in diameter between the sealing baffle 3 and the lower press roll 2 is defined as a, where a has a length of 8mm.
Referring to fig. 5 and 6, the gap between the inner sides of the two sealing baffles 3 and the upper press roll 1 is defined as B, where B is between 0.8mm in length.
In one implementation, the other differences are as follows: the length of B is 0.2mm, and the clearance value has the best effect of solving the problem of material leakage.
Referring to fig. 2 and 3, an upper gear 9 is installed at the other side of the upper press roller fixing block 4, wherein the upper gear 9 is in transmission connection with the upper press roller 1 through a connecting shaft.
Referring to fig. 2 and 3, a lower gear 10 is mounted on the other side of the lower press roller fixing block 5, wherein the lower gear 10 is in transmission connection with the lower press roller 2 through a connecting shaft, the lower gear 10 is in meshed connection with an upper gear 9, one side of the lower gear 10 is connected to a press roller driving device 7, it is noted that the press roller driving device is a driving motor, the lower gear 10 is driven by the motor to drive, then the lower gear 10 drives the upper gear 9 to rotate, and further the upper press roller and the lower press roller are driven to rotate in opposite directions, and materials passing through the lower gear are extruded by the upper press roller and the lower press roller.
Referring to fig. 2 and 3, the hydraulic device 6 is located above the upper roll fixing block 4 and is connected to the upper roll fixing block 4. It is noted that the hydraulic means 6 may be a linear motor or a hydraulic cylinder or an electric cylinder.
Referring to fig. 2 and 3, one end of the lower press roll fixing block 5 is provided with a screw feeder 8, a discharge hole of the screw feeder 8 is positioned between the lower press roll 2 and the upper press roll 1, materials coming out of the screw feeder 8 can directly enter between the upper press roll 1 and the lower press roll 2, and then the upper press roll and the lower press roll are driven to drive the materials to be pressed.
The specific operating principle of the application is as follows: when the material is output from a discharge hole of the screw feeder 8, the material is conveyed between the upper press roller 1 and the lower press roller 2, before that, a worker needs to adjust the extrusion force and the gap between the upper press roller 1 and the lower press roller 2 through a hydraulic device 6 (the extrusion force and the gap can be correspondingly adjusted according to the thickness of the required sheet material, and the thickness of the sheet material which is finally pressed and exported is the distance between the upper press roller and the lower press roller), and the upper press roller 1 and the lower press roller 2 are driven by a press roller driving device 7 to rotate oppositely; the materials entering between the upper press roller and the lower press roller are extruded into sheets from powder, and the sheets are discharged from the upper press roller 1 and the lower press roller back to the spiral feeder 8;
in the operation process, the sealing baffle plate 3 rotates along with the lower pressing roller 2 in the same direction, so that the leaked materials can be extruded and returned to the correct track under the rotation action of the dynamic sealing baffle plate 3.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. Prevent compression roller mechanism that material revealed, including last compression roller fixed block (4) and lower compression roller fixed block (5), go up compression roller (1) is installed to one side of compression roller fixed block (4), and lower compression roller (2) is installed to one side of lower compression roller fixed block (5), its characterized in that: the lower press roll (2) is positioned right below the upper press roll (1);
sealing baffle plates (3) are arranged on two sides of the lower pressing roller (2), wherein the diameter of each sealing baffle plate (3) is larger than that of the lower pressing roller (2), and the upper sides of the two sealing baffle plates (3) are positioned on two sides of the upper pressing roller (1) well.
2. A roll mechanism for preventing leakage of materials as set forth in claim 1, wherein: the two sealing baffles (3) are identical in structure and are of circular ring structures, the diameter difference between the sealing baffles (3) and the lower pressing roller (2) is A, and the height range of A is 3-8 mm.
3. A roll mechanism for preventing leakage of materials as set forth in claim 1, wherein: the gap between the inner side of the sealing baffle plate (3) and the upper pressing roller (1) is B, wherein the length of B ranges from 0.2mm to 0.8 mm.
4. A roll mechanism for preventing leakage of materials as set forth in claim 1, wherein: the upper press roller (1) is of a cylindrical structure, a pressing part for pressing materials is arranged outside the upper press roller (1), and the axial width of the upper press roller is the same as that of the lower press roller (2).
5. A roll mechanism for preventing leakage of materials as set forth in claim 1, wherein: the lower pressing roller (2) is of a cylindrical structure, and a pressing part for pressing materials is arranged outside the lower pressing roller.
6. A roll mechanism for preventing leakage of materials as set forth in claim 1, wherein: an upper gear (9) is arranged on the other side of the upper press roller fixing block (4), and the upper gear (9) is in transmission connection with the upper press roller (1) through a connecting shaft;
the other side of the lower press roller fixing block (5) is provided with a lower gear (10), wherein the lower gear (10) is in transmission connection with the lower press roller (2) through a connecting shaft, the lower gear (10) is in meshed connection with the upper gear (9), and one side of the lower gear (10) is connected to the press roller driving device (7).
7. The compression roller mechanism for preventing leakage of materials according to claim 6, wherein: the press roller driving device (7) is a motor.
8. A roll mechanism for preventing leakage of materials as set forth in claim 1, wherein: one end of the lower press roll fixing block (5) is provided with a spiral feeder (8), and a discharge hole of the spiral feeder (8) is positioned between the lower press roll (2) and the upper press roll (1).
9. A roll mechanism for preventing leakage of materials as set forth in claim 1, wherein: the device also comprises a hydraulic device (6), wherein the hydraulic device (6) is positioned above the upper press roller fixing block (4) and is connected with the upper press roller fixing block (4).
10. The compression roller mechanism for preventing leakage of materials according to claim 9, wherein: the hydraulic device (6) is a linear motor or a hydraulic cylinder or an electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320279147.3U CN219291334U (en) | 2023-02-15 | 2023-02-15 | Press roller mechanism for preventing material leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320279147.3U CN219291334U (en) | 2023-02-15 | 2023-02-15 | Press roller mechanism for preventing material leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219291334U true CN219291334U (en) | 2023-07-04 |
Family
ID=86958962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320279147.3U Active CN219291334U (en) | 2023-02-15 | 2023-02-15 | Press roller mechanism for preventing material leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219291334U (en) |
-
2023
- 2023-02-15 CN CN202320279147.3U patent/CN219291334U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110369461A (en) | A kind of medical waste grinding device | |
| CN219291334U (en) | Press roller mechanism for preventing material leakage | |
| CN206587711U (en) | A kind of efficient biomass granulator | |
| CN101116802B (en) | Granulator | |
| CN101116801A (en) | Granulation device | |
| CN105727834A (en) | Vertical forming machine for biomass granule fuels | |
| CN206046122U (en) | A kind of pair roller type boulder crusher | |
| CN201101957Y (en) | Granulator | |
| CN2078650U (en) | Double-drum extrusion granulating machine | |
| CN214076537U (en) | Horizontal granulator | |
| CN205235908U (en) | Modular granulator | |
| CN205288324U (en) | Dicyclo mould is to roll -type granulator | |
| CN210934854U (en) | Novel dry-process granulator | |
| CN109046178B (en) | Ring mould granulating device | |
| CN105729867A (en) | Biomass particle forming mechanism with spiral groove press rollers | |
| CN218735903U (en) | Sorghum seed pelleting device | |
| CN112429477A (en) | Wet sludge material lifting machine | |
| CN212554973U (en) | Production system with bridging-preventing extruder for powder coating | |
| CN216499186U (en) | Iron oxide sintering-free ball forming machine | |
| CN213102362U (en) | Material crusher | |
| CN218795743U (en) | Novel compression roller surface structure of dry method granulator | |
| CN220661452U (en) | Plastic pipe crushing equipment | |
| CN219583325U (en) | Polyvinyl chloride cable reducing mechanism for injection molding | |
| CN219726895U (en) | Waste plastic recycling crusher | |
| CN210423715U (en) | Side sealing structure for pressing wheel of dry method granulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |