CN110950107A - Granular material weighing device - Google Patents
Granular material weighing device Download PDFInfo
- Publication number
- CN110950107A CN110950107A CN201911220111.2A CN201911220111A CN110950107A CN 110950107 A CN110950107 A CN 110950107A CN 201911220111 A CN201911220111 A CN 201911220111A CN 110950107 A CN110950107 A CN 110950107A
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- Prior art keywords
- hopper
- weighing
- door
- cylinder
- hopper door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/66—Operating devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a granular material weighing device, which comprises a support frame, a material storage hopper arranged on the support frame, and further comprises: the blanking mechanism comprises a first hopper door hinged to the material storage hopper and a first air cylinder arranged on the material storage hopper, and the first air cylinder is hinged to the first hopper door; weighing hopper mechanism, it is including setting up the hopper casing in the stock hopper below and articulate initiative hopper door and the driven hopper door in hopper casing both sides respectively be equipped with on the hopper casing and drive the actuating mechanism that initiative hopper door and driven hopper door opened or closed and can the auto-lock, be connected with the weighing sensor subassembly between hopper casing periphery and the support frame.
Description
Technical Field
The invention particularly relates to a granular material weighing device.
Background
Traditional granular material weighing device places granular material at the feeder hopper, the below of feeder hopper is equipped with weighing platform, when being close to predetermined weight value, the load of feeder hopper discharge gate will diminish, through the slow predetermined weight value that reaches of control load, the weighing inefficiency of this kind of mode, and the precision of control weight value is low, and conventional hopper door drive structure does not possess self-locking function, under long-term material pressure, break down easily, the condition of lou material appears.
Therefore, the existing granular material weighing device needs to be further improved.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problems to be solved by the invention are as follows: improve the efficiency of weighing, prevent that hopper door from appearing leaking the material.
The utility model provides a granular material weighing device, includes the support frame, sets up the material storage hopper on the support frame, still includes:
the blanking mechanism comprises a first hopper door hinged to the material storage hopper and a first air cylinder arranged on the material storage hopper, and the first air cylinder is hinged to the first hopper door;
weighing hopper mechanism, it is including setting up the hopper casing in the stock hopper below and articulate initiative hopper door and the driven hopper door in hopper casing both sides respectively be equipped with on the hopper casing and drive the actuating mechanism that initiative hopper door and driven hopper door opened or closed and can the auto-lock, be connected with the weighing sensor subassembly between hopper casing periphery and the support frame.
Further, the driving mechanism comprises a second cylinder and a shifting plate which are hinged to the hopper shell respectively, a pull rod is hinged between the outer end of the shifting plate and the driving hopper door, a pin seat is arranged on the shifting plate close to the outer end, a cylinder shaft of the second cylinder is hinged to the pin seat, a connecting rod is hinged between the driving hopper door and the driven hopper door, when the driving hopper door and the driven hopper door are in a closed state, the hinge point on the shifting plate and the hinge point on the pull rod are on the same straight line, a self-locking state limiting the driving hopper door to be opened outwards is formed, and the connecting rod forms a fulcrum limiting the driven hopper door to turn outwards under the fixed state of the driving hopper door.
Preferably, the driving hopper door is provided with a limiting column for preventing the shifting plate from exceeding the stroke when the shifting plate is turned outwards.
Preferably, a spring hanging pin is arranged on the driving hopper door and close to the connecting rod, and a tension spring is arranged between the inner end of the shifting plate piece and the spring hanging pin.
Further, the weighing sensor assembly comprises a plurality of weighing sensors which are uniformly distributed and fixed on the supporting frame, and a sensor connecting piece is arranged between each weighing sensor and the corresponding hopper shell.
Preferably, one of the sensor connecting pieces is of a column type structure, and the other sensor connecting pieces are of a steel ball structure.
And furthermore, the support frame is also provided with a material supplementing mechanism which is used for supplementing a weighing hopper mechanism to generate weighing errors, the material supplementing mechanism comprises a plurality of weighing hoppers arranged on the support frame, the capacity of each weighing hopper is smaller than that of the hopper shell, a hopper material distributing barrel is arranged between the material storing hopper and each weighing hopper, the discharge port of each hopper material distributing barrel is positioned above the feed port of each weighing hopper, and a hopper door assembly capable of sealing the discharge port of each hopper material distributing barrel is arranged on each hopper material distributing barrel.
Furthermore, the hopper door assembly comprises a second hopper door hinged to the hopper distributing barrel, a third cylinder is arranged on the hopper distributing barrel, and a cylinder shaft of the third cylinder is hinged to the second hopper door.
Preferably, a receiving hopper is arranged below the hopper shell and the weighing hopper on the supporting frame.
Furthermore, a control cabinet is arranged on one side of the support frame and comprises a pneumatic control element and a controller, the controller is respectively and electrically connected with the pneumatic control element, the weighing sensor assembly and the weighing hopper, and the pneumatic control element is respectively connected with the first cylinder, the second cylinder and the third cylinder through air pipes.
In summary, compared with the prior art, the invention has the beneficial effects that:
according to the invention, the large-scale material bin is connected to the material storage hopper, granular materials are continuously provided for the material storage hopper, and the opening time of the blanking mechanism is controlled according to constant weight pressure, so that the granular materials quickly reach a preset weight value, the weighing efficiency is effectively improved, the materials are accurately weighed by the weighing hopper mechanism, the driving mechanism can drive the driving hopper door and the driven hopper door to be opened or closed, and the self-locking function is realized in the closed state, so that the driving hopper door and the driven hopper door are prevented from being broken down under the long-time pressed state to cause material leakage, the structure is simple, and the use is convenient.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded perspective view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 2.
Detailed Description
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
as shown in fig. 1 to 4, the embodiment of the present invention preferably provides a granular material weighing apparatus, which includes a support frame 1, a material storage hopper 10 disposed on the support frame 1, and further includes:
the blanking mechanism 2 comprises a first hopper door 11 hinged on the material storage hopper 10 and a first air cylinder 12 arranged on the material storage hopper 10, and the first air cylinder 12 is hinged with the first hopper door 11;
the weighing hopper mechanism 3 comprises a hopper shell 30 arranged below the material storage hopper 10, and a driving hopper door 31 and a driven hopper door 32 which are respectively hinged on two sides of the hopper shell 30, wherein a driving mechanism 4 capable of driving the driving hopper door 31 and the driven hopper door 32 to open or close and be self-locked is arranged on the hopper shell 30, a weighing sensor assembly 5 is connected between the periphery of the hopper shell 30 and the support frame 1, a large-scale material bin is connected on the material storage hopper 10 to continuously provide granular materials for the material storage hopper 10, the opening time of the blanking mechanism 2 is controlled according to constant weight pressure, so that the granular materials quickly reach a preset weight value, the weighing efficiency is effectively improved, the materials are accurately weighed by the weighing hopper mechanism 3, and the driving mechanism 4 is arranged to drive the driving hopper door 31 and the driven hopper door 32 to open or close, and have the function of auto-lock under the state of closing, prevent that initiative hopper door 31 and driven hopper door 32 from breaking down under long-time pressurized state, lead to leaking the material, and simple structure, convenient to use.
One embodiment of the drive mechanism 4 of the present invention: the hopper comprises a second air cylinder 40 and a shifting plate 41 which are respectively hinged on a hopper shell 30, a pull rod 42 is hinged between the outer end of the shifting plate 41 and a driving hopper door 31, a pin seat 43 is arranged on the shifting plate 41 near the outer end, a cylinder shaft of the second air cylinder 40 is hinged with the pin seat 43, a connecting rod 44 is hinged between the driving hopper door 31 and a driven hopper door 32, when the driving hopper door 31 and the driven hopper door 32 are in a closed state, the hinge point on the shifting plate 41 and the hinge point on the pull rod 42 are on the same straight line, a self-locking state for limiting the driving hopper door 31 to be opened outwards is formed, the connecting rod 44 forms a fulcrum for limiting the driven hopper door 32 to be turned outwards when the driving hopper door 31 and the driven hopper door 32 need to be opened, the shifting plate 41 is driven to be turned outwards by the second air cylinder 40, so that the driving hopper door 31 is driven to be turned outwards by the pull rod 42, connecting rod 44 drives driven hopper door 32 and opens in step when initiative hopper door 31 outwards overturns, when needs close initiative hopper door 31 and driven hopper door 32, dial plate 41 internal rotation through the drive of second cylinder 40, thereby cross pull rod 42 and drive initiative hopper door 31 and inwards overturn, connecting rod 44 drives driven hopper door 32 and synchronously closes when initiative hopper door 31 inwards overturns, when initiative hopper door 31 and driven hopper door 32 are in the closed condition, on the same straight line of hinge point on the hinge point on dialling plate 41 and pull rod 42, form a fulcrum that hinders initiative hopper door 31 and outwards overturn, connecting rod 44 forms the fulcrum that restricts driven hopper door 32 and outwards overturns under the initiative hopper door 31 fixed state simultaneously, and then realize self-locking state.
The driving hopper door 31 is provided with a limit column 45 for preventing the shifting plate part 41 from exceeding the stroke when being overturned outwards. When the driving hopper door 31 and the driven hopper door 32 are in a closed state by arranging the limiting column 45, the hinge point on the shifting plate 41 and the hinge point on the pull rod 32 can be in the same straight line, and a self-locking state for preventing the driving hopper door 31 from being opened outwards is formed.
According to the invention, the spring hanging pin 46 is arranged on the driving hopper door 31 close to the connecting rod 44, the tension spring 47 is arranged between the inner end of the dial plate part 41 and the spring hanging pin 46, so that the driving hopper door 31 is more smooth and stable when being closed through the tension spring 47, and meanwhile, the closing force is improved.
The weighing sensor assembly 5 comprises a plurality of weighing sensors 50 which are uniformly distributed and fixed on the support frame 1, a sensor connecting piece 51 is arranged between the weighing sensors 50 and the hopper shell 30, and the effect of weighing granular materials in the hopper shell 30 is realized through the uniformly distributed weighing sensors 50, so that the hopper shell 30 is stressed uniformly and more accurately.
According to the invention, one sensor connecting piece 51 adopts a column type structure, the other sensor connecting pieces 51 adopt steel ball structures, the column type structure is fixed, the steel ball structure is movable, and through a single-point fixed multi-point movable structure, the lateral stress interference is effectively solved, so that the measurement precision is improved.
The invention also provides a material supplementing mechanism 6 arranged on the support frame 1 and used for supplementing a weighing hopper mechanism 3 to generate weighing errors, wherein the material supplementing mechanism 6 comprises a plurality of weighing hoppers 60 arranged on the support frame 1, the capacity of each weighing hopper 60 is smaller than that of a hopper shell 30, a hopper distributing cylinder 61 is arranged between each material storing hopper 10 and each weighing hopper 60, the discharge port of each hopper distributing cylinder 61 is positioned above the feed port of each weighing hopper 60, a hopper door component 7 capable of sealing the discharge port of each hopper distributing cylinder 61 is arranged on each hopper distributing cylinder 61, each weighing hopper 60 comprises a weighing sensor, a motor, a hopper body and a hopper door, when the materials weighed by the weighing hopper mechanism 3 generate errors, corresponding weight can be supplemented through the material supplementing mechanism 6, the blanking time is controlled through a hopper door component 7, and different times can correspond to the corresponding weight under the condition of constant weight pressure, because the material supplementing mechanism 6 is small in capacity relative to the weighing hopper mechanism 3, relative accuracy can be high, material supplementing is carried out according to the error weight generated by the weighing hopper mechanism 3 corresponding to different material weights in the weighing hoppers 60, the effect of fast material supplementing is achieved, and weighing efficiency is effectively improved.
One embodiment of the hopper gate assembly 7 of the present invention: the feeding device comprises a second hopper door 70 hinged on a hopper material distribution barrel 61, wherein a third air cylinder 71 is arranged on the hopper material distribution barrel 61, an air cylinder shaft of the third air cylinder 71 is hinged with the second hopper door 70, the opening time of the second hopper door 70 is controlled through the third air cylinder 71, and the feeding weight is effectively controlled under the state of constant flow rate.
A material receiving hopper 80 is arranged below the hopper shell 30 and the weighing hopper 60 on the support frame 1, and materials falling from the hopper shell 30 and the weighing hopper 60 can be collected through the material receiving hopper 80.
According to the invention, a control cabinet 90 is arranged on one side of the support frame 1, the control cabinet 90 comprises a pneumatic control element 91 and a controller 92, the controller 92 is respectively and electrically connected with the pneumatic control element 91, the weighing sensor assembly 5 and the weighing hopper 60, the pneumatic control element 91 is respectively connected with the first air cylinder 12, the second air cylinder 40 and the third air cylinder 71 through air pipes, weighing data on the weighing sensor assembly 5 and the weighing hopper 60 are fed back to the controller 92, the weighing hopper 60 corresponding to a required weight value is calculated and combined through the controller 92, and the corresponding weighing hopper 60 is opened and added into the collecting hopper 80, so that the weighing efficiency is improved.
The working principle is as follows:
firstly, a material storage hopper 10 is connected with a large-scale material bin, the material bin continuously provides equivalent materials for the material storage hopper 10, the flow rate of the materials is constant through constant weight, the time of opening a first hopper door 11 of a blanking mechanism 2 is calculated according to a preset weight value, the materials quickly fall into a weighing hopper mechanism 3, the actual weight is measured through a weighing sensor assembly 5, when the weight has an error, quick material supplement is carried out through a material supplementing mechanism 6, the time of opening a second hopper door 70 is controlled through a third air cylinder 71, the materials fall into a weighing hopper 60, the flow of the material supplementing mechanism 6 is small relative to the flow direction of the blanking mechanism 2, the precision is higher, the weight of the materials is weighed through the weighing hopper 60, the proper weighing hopper 60 is selected through calculation and combination of a control cabinet 90, the weighing hopper 60 is opened for material supplement, and quick weighing is realized, the weighing efficiency is improved.
While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a granular material weighing device, includes the support frame, sets up the material stock hopper on the support frame, its characterized in that still includes:
the blanking mechanism comprises a first hopper door hinged to the material storage hopper and a first air cylinder arranged on the material storage hopper, and the first air cylinder is hinged to the first hopper door;
weighing hopper mechanism, it is including setting up the hopper casing in the stock hopper below and articulate initiative hopper door and the driven hopper door in hopper casing both sides respectively be equipped with on the hopper casing and drive the actuating mechanism that initiative hopper door and driven hopper door opened or closed and can the auto-lock, be connected with the weighing sensor subassembly between hopper casing periphery and the support frame.
2. A granular material weighing apparatus as claimed in claim 1, wherein: the driving mechanism comprises a second cylinder and a shifting plate which are respectively hinged to a hopper shell, a pull rod is hinged between the outer end of the shifting plate and a driving hopper door, a pin seat is arranged at a position, close to the outer end, of the shifting plate, a cylinder shaft of the second cylinder is hinged to the pin seat, a connecting rod is hinged between the driving hopper door and a driven hopper door, when the driving hopper door and the driven hopper door are in a closed state, a hinge point on the shifting plate and a hinge point on the pull rod are on the same straight line, a self-locking state limiting the driving hopper door to be opened outwards is formed, and the connecting rod forms a fulcrum limiting the driven hopper door to turn outwards in a fixed state of the driving hopper door.
3. A granular material weighing apparatus as claimed in claim 2, wherein: and the driving hopper door is provided with a limiting column for preventing the shifting plate from exceeding the stroke when being overturned outwards.
4. A granular material weighing apparatus as claimed in claim 3, wherein: a spring hanging pin is arranged on the driving hopper door and close to the connecting rod, and a tension spring is arranged between the inner end of the shifting plate piece and the spring hanging pin.
5. A granular material weighing apparatus as claimed in any one of claims 1 to 4, wherein: the weighing sensor assembly comprises a plurality of weighing sensors which are uniformly distributed and fixed on the supporting frame, and a sensor connecting piece is arranged between each weighing sensor and the corresponding hopper shell.
6. A granular material weighing apparatus as claimed in claim 5, wherein: one of the sensor connecting pieces adopts a column type structure, and the other sensor connecting pieces adopt steel ball structures.
7. A granular material weighing apparatus as claimed in any one of claims 1 to 4 or 6, wherein: still be equipped with feed supplement mechanism on the support frame, it is used for adding the weighing hopper mechanism and produces weighing error, feed supplement mechanism includes a plurality of weighing hoppers that set up on the support frame, the capacity of weighing hopper is less than the capacity of hopper casing, be equipped with hopper branch feed cylinder between stock hopper and the weighing hopper, the discharge gate that the hopper divides the feed cylinder is located the feed inlet top of weighing hopper be equipped with the hopper door subassembly that can seal hopper branch feed cylinder discharge gate on the hopper branch feed cylinder.
8. The granular material weighing apparatus of claim 7, wherein: the hopper door assembly comprises a second hopper door hinged to the hopper distributing barrel, a third cylinder is arranged on the hopper distributing barrel, and a cylinder shaft of the third cylinder is hinged to the second hopper door.
9. A granular material weighing apparatus as claimed in claim 8, wherein: and a receiving hopper is arranged below the hopper shell and the weighing hopper on the support frame.
10. A granular material weighing apparatus as claimed in claim 9, wherein: the pneumatic control device comprises a support frame, and is characterized in that a control cabinet is arranged on one side of the support frame, the control cabinet comprises a pneumatic control element and a controller, the controller is respectively and electrically connected with the pneumatic control element, a weighing sensor assembly and a weighing hopper, and the pneumatic control element is respectively connected with a first cylinder, a second cylinder and a third cylinder through air pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220111.2A CN110950107A (en) | 2019-12-03 | 2019-12-03 | Granular material weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220111.2A CN110950107A (en) | 2019-12-03 | 2019-12-03 | Granular material weighing device |
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| Publication Number | Publication Date |
|---|---|
| CN110950107A true CN110950107A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220111.2A Pending CN110950107A (en) | 2019-12-03 | 2019-12-03 | Granular material weighing device |
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| CN (1) | CN110950107A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078996A (en) * | 2020-09-11 | 2020-12-15 | 广东智源机器人科技有限公司 | Quantitative material output device |
| CN112078985A (en) * | 2020-09-11 | 2020-12-15 | 广东智源机器人科技有限公司 | Vegetable blanking device |
| CN112617261A (en) * | 2020-12-09 | 2021-04-09 | 广东智源机器人科技有限公司 | Weighing structure, material quantitative output mechanism and food machine |
-
2019
- 2019-12-03 CN CN201911220111.2A patent/CN110950107A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078996A (en) * | 2020-09-11 | 2020-12-15 | 广东智源机器人科技有限公司 | Quantitative material output device |
| CN112078985A (en) * | 2020-09-11 | 2020-12-15 | 广东智源机器人科技有限公司 | Vegetable blanking device |
| CN112078996B (en) * | 2020-09-11 | 2022-07-01 | 广东智源机器人科技有限公司 | Quantitative material output device |
| CN112617261A (en) * | 2020-12-09 | 2021-04-09 | 广东智源机器人科技有限公司 | Weighing structure, material quantitative output mechanism and food machine |
| CN112617261B (en) * | 2020-12-09 | 2022-09-27 | 广东智源机器人科技有限公司 | Weighing structure, material quantitative output mechanism and food machine |
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