CN220784495U - Feeding device for granular raw materials - Google Patents
Feeding device for granular raw materials Download PDFInfo
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- CN220784495U CN220784495U CN202322342395.0U CN202322342395U CN220784495U CN 220784495 U CN220784495 U CN 220784495U CN 202322342395 U CN202322342395 U CN 202322342395U CN 220784495 U CN220784495 U CN 220784495U
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- air inlet
- inlet pipe
- pipe
- discharge
- discharging
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- 239000002994 raw material Substances 0.000 title claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229920000426 Microplastic Polymers 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model discloses a feeding device for a granular raw material, and belongs to the technical field of plastic granules. Comprises a feeding bin and a plurality of discharge holes; the discharge port is a flange port, a part or all of the discharge ports are detachably provided with discharge mechanisms, the discharge ports without the discharge mechanisms are closed, and a large air inlet pipe is arranged on the upper side of the discharge ports; the discharging mechanism comprises a discharging pipe and an air inlet, a flange plate, a small air inlet pipe and a discharging valve which are sequentially arranged on the discharging pipe, wherein the feeding end of the discharging pipe is inserted in the discharging hole and is in clearance fit with the discharging hole, the flange plate is fixedly connected with the discharging hole, and the air inlet is positioned on the upper side of the discharging pipe and is opposite to the lower end of the large air inlet pipe; the small air inlet pipe is arranged on the upper side of the discharge pipe, the pipe diameter of the small air inlet pipe is smaller than that of the large air inlet pipe, and the small air inlet pipe is positioned right behind the large air inlet pipe; valves are arranged on the large air inlet pipe and the small air inlet pipe. The discharge mechanism is detachably arranged, so that the number of discharge ports in a working state is easy to adjust; a large air inlet pipe and a small air inlet pipe are arranged to adjust the vacuum degree, so that the feeding speed is adjusted.
Description
Technical Field
The utility model belongs to the technical field of plastic particles, and particularly relates to a feeding device for particle raw materials.
Background
In the process of making the cable sheathing compound, a composite material of plastic particles is required. It is generally necessary to mix various raw materials in a mixer according to a formulation ratio, send the mixture to a feed inlet of an extruder, and then perform modified extrusion processing. In the prior art, a plurality of weighing mixers (vacuumizers) can be fed through one feeding bin (for feeding one raw material), and a feeding system is formed by the plurality of feeding bins. The existing feeding device comprises a feeding bin, a plurality of discharging holes at the bottom of the feeding bin and the like.
The patent of application number CN202222141132.9 discloses a controlling means with automatic control distributes accurate delivery of powder, including dividing the feed bin, divide the upper surface intercommunication of feed bin to have the dog-house, divide one side of feed bin to install the motor, the flight is installed to the output of motor, the flight sets up in the inside of dividing the feed bin, the bottom symmetry of dividing the feed bin is provided with the powder storehouse, the distributor is installed on the top in powder storehouse, the both ends symmetry intercommunication in powder storehouse has the three-way valve, the output intercommunication of three-way valve has the discharging pipe.
The structure is a feeding structure for conveying powder, and for granule materials, spiral blades and motors are not required to be arranged, and the powder can be directly sucked under negative pressure.
The applicant found the following problems when handling particles with existing dosing devices:
(1) The particle materials have different sizes, different roundness degrees, different densities and very large speed difference of air conveying; for some particles (very fast delivery speed), a slower delivery speed (e.g. in combination with the delivery speed of other raw materials) is required, or a slower speed is required in the later stage of delivery (e.g. metering is convenient, metering accuracy is lower if the delivery speed is faster);
(2) According to the production requirement, the number of the discharge ports may be changed, for example, when the discharge ports are put into use, only part of the discharge ports may be required to work, and corresponding pipelines may not be arranged; in the prior art, all discharge ports work and are provided with corresponding pipelines, so that initial investment cost is high, and the pipelines are complex.
Disclosure of Invention
The embodiment of the utility model provides a feeding device for granular raw materials, wherein a discharging mechanism is detachably arranged, and the number of discharging holes in a working state is easy to adjust (when the feeding device does not work, the feeding device is detached and sealed by using a flange end plate); a large air inlet pipe and a small air inlet pipe are arranged to adjust the vacuum degree, so that the feeding speed is adjusted. The technical scheme is as follows:
the embodiment of the utility model provides a feeding device for granular raw materials, which comprises a feeding bin 1 and a plurality of discharge holes 2 at the bottom of the feeding bin; the discharge ports 2 are flange ports, part or all of the discharge ports 2 are detachably provided with discharge mechanisms 3, the discharge ports 2 which are not provided with the discharge mechanisms 3 are closed, and the upper sides of the discharge ports 2 are provided with large air inlet pipes 4; the discharging mechanism 3 comprises a discharging pipe 5, an air inlet 6, a flange 7, a small air inlet pipe 8 and a discharging valve 9 which are sequentially arranged on the discharging pipe along the output direction, wherein the feeding end of the discharging pipe 5 is inserted into the discharging port 2 and is in clearance fit with the discharging port 2, the flange 7 is fixedly connected with the discharging port 2, and the air inlet 6 is positioned on the upper side of the discharging pipe 5 and is opposite to the lower end of the large air inlet pipe 4; the small air inlet pipe 8 is arranged on the upper side of the discharge pipe 5, the pipe diameter of the small air inlet pipe 4 is smaller than that of the large air inlet pipe 4, and the small air inlet pipe is positioned right behind the large air inlet pipe 4; valves are arranged on the large air inlet pipe 4 and the small air inlet pipe 8.
Wherein, the discharge hole 2 without the discharge mechanism 3 is closed by a flange end plate.
Specifically, a plurality of discharge ports 2 in the embodiment of the present utility model are arranged side by side on the feeding bin 1.
Specifically, the feeding bin 1 in the embodiment of the utility model is a rectangular bin arranged along the left-right direction, and the bottom of the feeding bin is conical; the left and right sides of the discharge holes 2 are arranged side by side at the rear side of the feeding bin 1 and are round tubes arranged along the front-rear direction, the front part of the discharge tube 5 is inserted into the discharge hole 2, and the flange 7 is fixedly connected with the rear end of the discharge hole 2; the large air inlet pipe 4 and the small air inlet pipe 8 comprise inclined pipes and horizontal pipes, the inclined pipes are arranged obliquely backwards from bottom to top, the horizontal pipes are arranged forwards and backwards and are arranged at the rear side of the upper end of the inclined pipes, and the horizontal pipes of the small air inlet pipe 8 are located below the horizontal pipes of the large air inlet pipe 4.
Wherein, the horizontal pipe of the large air inlet pipe 4 in the embodiment of the utility model is provided with a first ball valve 11; the inclined tube of the small air inlet tube 8 is provided with a pneumatic valve 12, and the horizontal tube is provided with a second ball valve 13.
Specifically, the front end of the discharging pipe 5 in the embodiment of the utility model reaches the bottom of the feeding bin 1 and is provided with a bevel 10, and the bevel 10 is obliquely arranged downwards from back to front.
Specifically, the rear end of the discharging pipe 5 in the embodiment of the utility model is connected with a steel wire hose, and the steel wire hose is tightly sleeved at the rear end of the discharging pipe 5 and locked by a hoop.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a feeding device for granular raw materials, wherein a discharging mechanism is detachably arranged, and the number of discharging holes in a working state is easy to adjust (when the feeding device does not work, the feeding device is detached and sealed by using a flange end plate); a large air inlet pipe and a small air inlet pipe are arranged to adjust the vacuum degree, so that the feeding speed is adjusted. The first ball valve on the large air inlet pipe is normally open; the second ball valve of the small air inlet pipe is normally open, and the pneumatic valve is normally closed; when a faster conveying speed is required, the pneumatic valve is closed, and the conveying speed is controlled by adjusting the first ball valve; when a slower delivery rate is desired, the pneumatic valve is opened, and the delivery rate is controlled by controlling the first ball valve (whether open or not open to maximum as desired) and the second ball valve. In addition, the discharge mechanism of this patent is easily installed and dismantles, easily adjusts the work quantity of discharge gate.
Drawings
FIG. 1 is a schematic structural view of a feeding device for particulate raw materials in an embodiment of the present utility model;
FIG. 2 is a schematic view of the combination of a discharge port and a discharge mechanism;
fig. 3 is a schematic structural view of the discharging mechanism.
In the figure: 1 a feeding bin, 2 a discharge hole, 3 a discharge mechanism, 4 a large air inlet pipe, 5 a discharge pipe, 6 an air inlet, 7 a flange plate, 8 a small air inlet pipe, 9 a discharge valve, 10 a bevel connection, 11 a first ball valve, 12 a pneumatic valve and 13 a second ball valve.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
Example 1
Referring to fig. 1 to 3, embodiment 1 provides a feeding device for particulate raw materials, which comprises a feeding bin 1 and a plurality of discharge ports 2 at the bottom thereof. The feeding bin 1 is a rectangular bin arranged along the left and right directions, the bottom of the feeding bin is conical, and the top of the feeding bin is provided with a feeding port. The plurality of discharge ports 2 are arranged at the rear side of the feeding bin 1 side by side; the discharge port 2 is a flange port, is a circular tube arranged along the front and rear directions, is coaxially provided with a flange at the rear end, and is provided with a large air inlet pipe 4 at the upper side. And part or all of the discharge ports 2 are detachably provided with discharge mechanisms 3, and the discharge ports 2 without the discharge mechanisms 3 are closed by flange end plates.
Wherein, discharge mechanism 3 includes discharging pipe 5 and last air inlet 6, ring flange 7, little air-supply line 8 and the bleeder valve 9 that set gradually from front to back thereof. The discharging pipe 5 is a circular pipe matched with the discharging hole 2, the front part of the discharging pipe is inserted into the discharging hole 2, the front end of the discharging pipe reaches the bottom of the feeding bin 1 and is provided with an inclined opening 10 (which is obliquely downwards arranged from back to front) and is in clearance fit with the discharging hole 2. The flange plate 7 is coaxially arranged with the discharging pipe 5, is arranged in the middle of the discharging pipe 5, and is fixedly connected with a flange at the rear end of the discharging hole 2 through bolts. The air inlet 6 is positioned on the upper side of the discharge pipe 5, is arranged on the front part of the discharge pipe 5, is opposite to the lower end of the large air inlet pipe 4, and is specifically a strip-shaped opening arranged along the front-back direction. The small air inlet pipe 8 is arranged on the upper side of the discharge pipe 5, is arranged at the rear part of the discharge pipe 5, has a smaller pipe diameter than the large air inlet pipe 4, and is positioned right behind the large air inlet pipe 4. Valves are arranged on the large air inlet pipe 4 and the small air inlet pipe 8. Specifically, the large air inlet pipe 4 is provided with a ball valve (manually-adjusted size), and the small air inlet pipe 8 is provided with a ball valve (manually-adjusted size) and a pneumatic valve.
Specifically, referring to fig. 1 to 3, the large air inlet duct 4 and the small air inlet duct 8 in the present embodiment each include a diagonal duct and a horizontal duct. The inclined tube is arranged obliquely backwards from bottom to top, and the lower end of the inclined tube is arranged on the upper side of the large air inlet tube 4 or the small air inlet tube 8. The horizontal pipe is arranged along the front-back direction and is arranged at the rear side of the upper end of the inclined pipe, the inclined pipe of the small air inlet pipe 8 is positioned at the rear of the inclined pipe of the large air inlet pipe 4, and the horizontal pipe of the small air inlet pipe 8 is positioned below the horizontal pipe of the large air inlet pipe 4. A first ball valve 11 is arranged on the horizontal pipe of the large air inlet pipe 4; the inclined tube of the small air inlet tube 8 is provided with a pneumatic valve 12, and the horizontal tube is provided with a second ball valve 13.
Specifically, the rear end of the discharging pipe 5 in the embodiment of the utility model is connected with a steel wire hose, and the steel wire hose is tightly sleeved at the rear end of the discharging pipe 5 and locked by a hoop.
Example 2
Embodiment 2 provides a feeding device for particulate raw materials, which has substantially the same structure as that of embodiment 1, except that: the quantity of discharge gate 2 in this embodiment is 6, is equipped with discharge mechanism 3 on only 4 discharge gates 2 in the middle part, and 2 discharge gates 2 at both ends pass through flange end plate and seal.
The "first" and "second" in this embodiment only play a role of distinction, and have no other special meaning.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The feeding device of the granular raw materials comprises a feeding bin (1) and a plurality of discharge holes (2) at the bottom of the feeding bin; the automatic feeding device is characterized in that the discharge port (2) is a flange port, a part or all of the discharge port (2) is detachably provided with a discharge mechanism (3), the discharge port (2) which is not provided with the discharge mechanism (3) is closed, and the upper side of the discharge port (2) is provided with a large air inlet pipe (4); the discharging mechanism (3) comprises a discharging pipe (5) and an air inlet (6), a flange plate (7), a small air inlet pipe (8) and a discharging valve (9) which are sequentially arranged on the discharging pipe along the output direction, wherein the feeding end of the discharging pipe (5) is inserted into the discharging hole (2) and is in clearance fit with the discharging hole (2), the flange plate (7) is fixedly connected with the discharging hole (2), and the air inlet (6) is positioned on the upper side of the discharging pipe (5) and is opposite to the lower end of the large air inlet pipe (4); the small air inlet pipe (8) is arranged on the upper side of the discharge pipe (5), the pipe diameter of the small air inlet pipe (4) with the larger pipe diameter is small, and the small air inlet pipe is positioned right behind the large air inlet pipe (4); valves are arranged on the large air inlet pipe (4) and the small air inlet pipe (8).
2. The feeding device of granular raw materials as claimed in claim 1, characterized in that the discharge opening (2) without the discharge means (3) is closed by a flange end plate.
3. The feeding device of granular raw materials according to claim 1, characterized in that a plurality of discharge openings (2) are arranged side by side on the feeding bin (1).
4. A feeding device for granular raw materials according to claim 3, wherein the feeding bin (1) is a rectangular bin arranged along the left-right direction, and the bottom of the rectangular bin is conical; the plurality of discharge ports (2) are arranged at the rear side of the feeding bin (1) side by side left and right and are round pipes arranged along the front-back direction, the front part of the discharge pipe (5) is inserted into the discharge port (2), and the flange plate (7) is fixedly connected with the rear end of the discharge port (2); the large air inlet pipe (4) and the small air inlet pipe (8) comprise inclined pipes and horizontal pipes, the inclined pipes are arranged obliquely backwards from bottom to top, the horizontal pipes are arranged in the front-back direction and are arranged at the rear side of the upper end of the inclined pipes, and the horizontal pipes of the small air inlet pipe (8) are located below the horizontal pipes of the large air inlet pipe (4).
5. The feeding device of the granular raw materials according to claim 4, wherein a first ball valve (11) is arranged on a horizontal pipe of the large air inlet pipe (4); a pneumatic valve (12) is arranged on the inclined tube of the small air inlet tube (8), and a second ball valve (13) is arranged on the horizontal tube.
6. The feeding device of the granular raw materials according to claim 4, wherein the front end of the discharging pipe (5) is connected to the bottom of the feeding bin (1) and is a bevel (10), and the bevel (10) is obliquely arranged downwards from back to front.
7. The feeding device for the granular raw materials according to claim 4, wherein the rear end of the discharging pipe (5) is connected with a steel wire hose which is tightly sleeved at the rear end of the discharging pipe (5) and locked by a hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322342395.0U CN220784495U (en) | 2023-08-30 | 2023-08-30 | Feeding device for granular raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322342395.0U CN220784495U (en) | 2023-08-30 | 2023-08-30 | Feeding device for granular raw materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220784495U true CN220784495U (en) | 2024-04-16 |
Family
ID=90665636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322342395.0U Active CN220784495U (en) | 2023-08-30 | 2023-08-30 | Feeding device for granular raw materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220784495U (en) |
-
2023
- 2023-08-30 CN CN202322342395.0U patent/CN220784495U/en active Active
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