CN219756923U - Double-screw material-equalizing and distributing device with height-adjustable material layer - Google Patents
Double-screw material-equalizing and distributing device with height-adjustable material layer Download PDFInfo
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- CN219756923U CN219756923U CN202320627363.2U CN202320627363U CN219756923U CN 219756923 U CN219756923 U CN 219756923U CN 202320627363 U CN202320627363 U CN 202320627363U CN 219756923 U CN219756923 U CN 219756923U
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- 239000000463 material Substances 0.000 title claims abstract description 173
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000009826 distribution Methods 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 24
- 230000009977 dual effect Effects 0.000 claims 1
- 238000009827 uniform distribution Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract 1
- 239000004566 building material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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Abstract
The utility model relates to the technical field of material-homogenizing and distributing devices, and aims to solve the problems that in the prior art, in the construction industry and the environment-friendly industry, materials are difficult to uniformly mix by using a chute for blanking, the materials are uniformly distributed in the direction of a conveyor belt, and the drying effect is difficult to ensure; the material distribution screw and the material balancing screw are both connected with a driving mechanism; a material blocking mechanism is arranged below the material distribution spiral and the material balancing spiral; the material distributing screw and the material homogenizing screw are accommodated in the outer shell, a feeding hole is formed in the outer shell, and the feeding hole is positioned above the material distributing screw; the lifting mechanism is arranged below the double-screw material-homogenizing and distributing device, and can change the height between the material blocking mechanism and the driving belt.
Description
Technical Field
The utility model relates to the technical field of material homogenizing and distributing devices, in particular to a double-screw material homogenizing and distributing device with an adjustable material layer height.
Background
In the food and pharmaceutical industry, the feeding device of the currently used belt dryer is basically a simple blanking slide, does not have the function of uniformly distributing materials in the direction of the conveyor belt, and can only be realized by controlling the blanking speed or the belt running speed by controlling the thickness of the material layer on the conveyor belt, so that the means is very coarse. Because the specifications of the dryer in the food and drug industry are generally smaller, the width of the conveyor belt is narrower (within 3 m), a special material-homogenizing and distributing device is not arranged, the drying effect of the whole dryer cannot be greatly influenced, but in the building material and environment-friendly industry, the required specification of the belt dryer is large, the bandwidth is very wide and can reach 5-6 m, under the condition, if the scraper-trough conveyer is still used for discharging, the materials are difficult to uniformly mix, the materials are uniformly distributed in the width direction of the conveyor belt, and the drying effect is difficult to ensure.
Disclosure of Invention
The utility model aims to provide a double-screw material-homogenizing and distributing device with an adjustable material layer height, which solves the problems that in the prior art, in the building material and environmental protection industry, materials are difficult to uniformly mix by using a chute for blanking, and the drying effect is difficult to ensure because the materials are uniformly distributed in the direction of a conveyor belt.
The utility model is realized by adopting the following technical scheme:
the utility model provides a double-screw material-equalizing and distributing device with an adjustable material layer height, which comprises a material-equalizing screw and a material-equalizing screw, wherein the tail parts of the material-equalizing screw and the material-equalizing screw are respectively provided with a material-raising plate, the material-equalizing screw and the material-equalizing screw are reversely arranged in parallel from head to tail, the spiral directions of spiral blades of the material-equalizing screw and the material-equalizing screw are the same, and the rotation directions of the material-equalizing screw and the material-equalizing screw are opposite when in work;
the material distribution screw and the material balancing screw are both connected with a driving mechanism;
a material blocking mechanism is arranged below the material distribution spiral and the material balancing spiral;
the material distributing screw and the material homogenizing screw are accommodated in the outer shell, a feeding hole is formed in the outer shell, and the feeding hole is positioned above the material distributing screw;
the lifting mechanism is arranged below the double-screw material-homogenizing and distributing device, and can change the height between the material blocking mechanism and the driving belt.
The utility model adopts a double-screw structure, the two screws are arranged in parallel and in opposite directions at a proper distance, the screw blades of the two screws are identical in rotation direction, and the rotation directions of the two screws are opposite when in work, so that the conveying directions of materials in the two screws are opposite. The material falls on the conveyer belt after feeding the shell body from the feed inlet to fill up the space between cloth spiral and the shell body lateral wall rapidly, along with the accumulation of this space department material, the material that contacts the cloth spiral can be along spiral axis direction to its afterbody motion, and the material just follows the whole width direction that cloth spiral gradually fills up the conveyer belt, reaches the purpose of cloth. When the redundant materials are continuously conveyed to the tail part of the material distribution screw, the redundant materials are thrown to the head part of the material distribution screw under the action of the lifting blades, the material distribution screw continuously conveys the materials to the tail part in the opposite direction and then throws the materials to the head part of the material distribution screw, so that the materials which enter before and the materials which enter after are mixed, and the purpose of material distribution is achieved.
Wherein, cloth spiral and samming spiral take place rotatoryly through actuating mechanism respectively.
The material blocking mechanism can hold the material on the one hand, avoids that it directly falls to the conveyer belt from the samming spiral, and on the other hand, the front end of material blocking mechanism plays the effect of striker plate, and the material that is less than this height just can pass through, and the height between the front end of material blocking mechanism and the conveyer belt is the bed of material thickness promptly.
By adopting the double-screw material homogenizing and distributing device, uniform material and material distribution can be effectively realized, the materials are uniformly mixed, and are uniformly distributed in the direction of the whole conveyor belt, so that the materials are uniformly subjected to wind, and the drying effect of the materials is ensured.
The lifting mechanism can adjust the height of the device from the conveyor belt, thereby achieving the purpose of finely adjusting the thickness of the material layer.
As a preferable technical scheme:
the plate surface of the lifting plate is parallel to the axis of the material distributing screw and the material homogenizing screw.
As a preferable technical scheme:
the material blocking mechanism adopts an arc-shaped shell, the arc-shaped shell is arranged along the length direction of the spiral and the spiral in a through length mode, and gaps exist between the arc-shaped shell and the cloth spiral as well as between the arc-shaped shell and the cloth spiral.
As a preferable technical scheme:
the arc-shaped shell is matched with the spiral in shape, but the material blocking mechanism is not limited to the arc-shaped shell, and can block materials on the material distribution spiral and the material homogenizing spiral, and the material blocking mechanism is prevented from directly falling on the conveyor belt.
As a preferable technical scheme:
the arc-shaped shell comprises a first shell and a second shell, the cross section of the first shell is a 1/4 arc, the first shell is wrapped at the right lower part of the cloth screw, the cross section of the second shell is a 3/4 arc, the second shell is wrapped at the outer part of the uniform screw from the lower part, and the first shell is connected with the end part of the second shell.
As a preferable technical scheme:
the material distributing screw and the material homogenizing screw are respectively supported by a pair of bearings and a bearing seat.
As a preferable technical scheme:
the driving mechanism adopts a gear motor, and one end of the material distribution screw and one end of the material homogenizing screw are respectively connected with a gear motor.
As a preferable technical scheme:
the material distributing screw, the material homogenizing screw, the bearing seat, the gear motor and the arc-shaped shell are connected into a whole and are arranged on the lifting base.
As a preferable technical scheme:
the lifting mechanism is arranged below the lifting base.
The lifting mechanism can adjust the heights of the cloth spiral, the material equalizing spiral and the arc-shaped shell from the conveyor belt, so that the purpose of directly, efficiently and finely adjusting the thickness of the material layer is achieved, and the obtained thickness of the material layer is more accurate.
As a preferable technical scheme:
the lifting mechanism adopts a screw rod lifter.
As a preferable technical scheme:
the double-screw material-equalizing and distributing device is used for the belt dryer, and the material-equalizing screw, the material-equalizing screw and the arc-shaped shell are arranged above a conveyor belt of the belt dryer.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the material homogenizing and distributing device adopts a double-spiral structure, and the tail part of each spiral is provided with a lifting plate. When the material runs along the material distribution spiral conveying direction, the width of the whole conveyor belt can be fully distributed. When the material flows to the tail part of the distributing screw, the material is thrown to the head part of the material homogenizing screw by the lifting plate, the material homogenizing screw continuously conveys the material to the tail part in the opposite direction, and then the material is thrown to the head part of the distributing screw, so that the material entering before and the material entering after are mixed. Through the realization of above function, reached the purpose with the material misce bene, and the equipartition is at whole conveyer belt width, avoided leading to the inhomogeneous, the incomplete condition of stoving because of material thickness is inhomogeneous to and the condition that the stoving area utilization ratio is low, drying efficiency is low, hot-blast waste because of the material is not full of whole conveyer belt, and lead to.
2. The screw rod lifting mechanism is arranged at the bottom of the whole device, so that the height of the device from the conveyor belt can be adjusted on line, and the purpose of finely adjusting the thickness of the material layer is achieved. Compared with the previous method for controlling the thickness of the material layer by controlling the feeding amount and the speed of the conveyor belt, the method adopted by the device is more direct and efficient, and the yield of the equipment can be adjusted more finely and accurately.
Drawings
Fig. 1 is a front view of a double-screw material-homogenizing and distributing device with an adjustable material layer height.
Fig. 2 is a top view of a double-screw material-homogenizing and distributing device with an adjustable material layer height.
FIG. 3 is a side view of a double-screw material-homogenizing and distributing device with an adjustable material layer height.
FIG. 4 is a cross-sectional view of a double-screw average material distribution device with an adjustable material layer height according to the utility model.
Icon: 1-cloth screw, 101-cloth screw head, 102-cloth screw tail, 2-average screw, 201-average screw head, 202-average screw tail, 3-arc shell, 301-arc shell front edge, 4-gear motor, 5-bearing and bearing seat, 6-outer shell, 7-lifting base, 8-screw lifting mechanism, 9-lifting plate, 10-feed inlet and 11-conveyer belt.
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 of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, 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.
Example 1
The embodiment provides a material layer height-adjustable's duplex average material distributing device, is applied to industries such as building materials, environmental protection (refuse treatment), food, medicine, specifically is used for having the equipment that the material layer equipartition required, say: a belt type drying device.
As shown in fig. 1-4, the double-screw material-homogenizing and distributing device comprises a material-homogenizing screw 1, a material-homogenizing screw 2, an arc-shaped shell 3, a gear motor 4, a bearing seat 5, an outer shell 6, a lifting base 7 and a screw rod lifting mechanism 8. The tail of the material distributing screw 1 and the tail of the material homogenizing screw 2 are respectively provided with a lifting plate 9, and the plate surface of the lifting plate 9 is parallel to the screw axis and is used for throwing materials onto the other screw. The material distributing spiral 1, the material homogenizing spiral 2 and the arc-shaped shell 3 are accommodated in the outer shell 6, and a feed inlet 10 is formed in the outer shell 6. (to make the internal structure of the present apparatus more clearly expressed, the outer case 6 is not shown in FIGS. 1 and 2, but the arrangement positions of the outer case 6 and the feed port 10 are shown.)
The cloth screw 1 and the homogenizing screw 2 are arranged side by side at a certain distance, the head and tail directions of the cloth screw 1 and the homogenizing screw 2 are opposite, namely, the cloth screw is reversely arranged, the head part 101 of the cloth screw and the tail part 202 of the homogenizing screw are in the same direction, and the tail part 102 of the cloth screw and the head part 201 of the homogenizing screw are in the same direction. The spiral vane has the same rotation direction, and when in operation, the rotation directions of the spiral vane and the spiral vane are opposite, so that the conveying directions of materials in the two spirals are opposite. The cloth screw 1 and the homogenizing screw 2 are supported by a pair of bearings and bearing blocks 5, respectively, and are each driven by a gear motor 4 mounted at one end of the screw. The arc-shaped shell 3 is arranged along the length direction of the spiral and the spiral overall length, and the cross section shape of the arc-shaped shell 3 is shown in fig. 4, the arc-shaped shell 3 is wrapped at the cloth spiral 1 in the range of about 90 degrees to 180 degrees (the range of about 180 degrees cannot be exceeded), and the arc-shaped shell 3 is wrapped at the material homogenizing spiral 2 in the range of about 0 degrees to 270 degrees. The cloth screw 1, the material equalizing screw 2, the bearing and the bearing seat 5, the gear motor 4 and the arc-shaped shell 3 are connected into a whole and are arranged on the lifting base 7. A set of screw rod lifting mechanism 8 is arranged below the lifting base 7.
When the device works, the rotation directions of the material distributing spiral 1 and the material homogenizing spiral 2 are opposite, as shown in fig. 4 (the arrow direction in fig. 4 is the running direction of the conveying belt 11), materials are fed from the feeding hole 10, fall onto the conveying belt 11, and rapidly fill the gap on the left side of the front edge of the arc-shaped shell 3. Along with the accumulation of the material at the gap, the material contacting the distributing screw 1 moves to the tail part along the direction of the screw axis and falls onto the conveyor belt 11, so that the whole width direction of the conveyor belt 11 is gradually distributed, and the function of screw distributing is completed. When the material runs to the tail end of the material distribution spiral 1, the material can be thrown to the head of the material distribution spiral 2 by the material lifting plate 9 at the position, then the material continues to run to the tail part of the material distribution spiral under the conveying action of the spiral, and then the material is thrown to the head of the material distribution spiral 1 by the material lifting plate 9 at the position, at the moment, the material is mixed with the material which just enters, and therefore the material distribution function of the spiral is completed.
Since the portion of the curved shell 3 below the distribution screw 1 is designed to end at exactly 180 degrees, the curved shell front 301 acts here as a dam, and only material below this point, which is at a height from the conveyor belt 11, is transported forward by the conveyor belt 11, is the layer thickness. When the jacking height of the screw rod lifting mechanism 8 is adjusted, the cloth screw 1, the material equalizing screw 2, the bearing and bearing seat 5, the gear motor 4 and the arc-shaped shell 3 can be lifted or lowered simultaneously, the height of the front edge position of the arc-shaped shell 3 from the conveyor belt 11 is changed, and then the function of adjusting the thickness of the material layer is realized.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a material layer height-adjustable's duplex average material distributing device which characterized in that:
the material distributing device comprises a material distributing screw and a material homogenizing screw, wherein a material lifting plate is arranged at the tail parts of the material distributing screw and the material homogenizing screw respectively, the head part and the tail part of the material distributing screw are reversely arranged in parallel, the spiral directions of spiral blades of the material distributing screw and the material homogenizing screw are the same, and the rotation directions of the material distributing screw and the spiral blades of the material homogenizing screw are opposite when the material distributing device works;
the material distribution screw and the material balancing screw are both connected with a driving mechanism;
a material blocking mechanism is arranged below the material distribution spiral and the material balancing spiral;
the material distributing screw and the material homogenizing screw are accommodated in the outer shell, a feeding hole is formed in the outer shell, and the feeding hole is positioned above the material distributing screw;
the lifting mechanism is arranged below the double-screw material-homogenizing and distributing device, and can change the height between the material blocking mechanism and the driving belt.
2. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to claim 1, wherein:
the plate surface of the lifting plate is parallel to the axis of the material distributing screw and the material homogenizing screw.
3. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to claim 1, wherein:
the material blocking mechanism adopts an arc-shaped shell, the arc-shaped shell is arranged along the length direction of the spiral and the spiral in a through length mode, and gaps exist between the arc-shaped shell and the cloth spiral as well as between the arc-shaped shell and the cloth spiral.
4. A dual spiral uniform distribution device with adjustable material layer height according to claim 3, characterized in that:
the arc-shaped shell comprises a first shell and a second shell, the cross section of the first shell is a 1/4 arc, the first shell is wrapped at the right lower part of the cloth screw, the cross section of the second shell is a 3/4 arc, the second shell is wrapped at the outer part of the uniform screw from the lower part, and the first shell is connected with the end part of the second shell.
5. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to claim 4, wherein:
the material distributing screw and the material homogenizing screw are respectively supported by a pair of bearings and a bearing seat.
6. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to claim 5, wherein:
the driving mechanism adopts a gear motor, and one end of the material distribution screw and one end of the material homogenizing screw are respectively connected with a gear motor.
7. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to claim 6, wherein:
the material distributing screw, the material homogenizing screw, the bearing seat, the gear motor and the arc-shaped shell are connected into a whole and are arranged on the lifting base.
8. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to claim 7, wherein:
the lifting mechanism is arranged below the lifting base.
9. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to claim 8, wherein:
the lifting mechanism adopts a screw rod lifter.
10. The double-spiral material-homogenizing and distributing device with the height-adjustable material layer according to any one of claims 2 to 9, wherein:
the double-screw material-equalizing and distributing device is used for the belt dryer, and the material-equalizing screw, the material-equalizing screw and the arc-shaped shell are arranged above a conveyor belt of the belt dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627363.2U CN219756923U (en) | 2023-03-27 | 2023-03-27 | Double-screw material-equalizing and distributing device with height-adjustable material layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627363.2U CN219756923U (en) | 2023-03-27 | 2023-03-27 | Double-screw material-equalizing and distributing device with height-adjustable material layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219756923U true CN219756923U (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320627363.2U Active CN219756923U (en) | 2023-03-27 | 2023-03-27 | Double-screw material-equalizing and distributing device with height-adjustable material layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219756923U (en) |
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- 2023-03-27 CN CN202320627363.2U patent/CN219756923U/en active Active
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