CN111361963A - Accurate conveying mechanism of high-precision weight-reducing metering scale - Google Patents
Accurate conveying mechanism of high-precision weight-reducing metering scale Download PDFInfo
- Publication number
- CN111361963A CN111361963A CN202010244283.XA CN202010244283A CN111361963A CN 111361963 A CN111361963 A CN 111361963A CN 202010244283 A CN202010244283 A CN 202010244283A CN 111361963 A CN111361963 A CN 111361963A
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- China
- Prior art keywords
- wheel assembly
- conveying belt
- precision
- assembly
- driving
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- 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.)
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Classifications
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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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
- B65G47/19—Arrangements or applications of hoppers or chutes having means for controlling material flow, e.g. to prevent overloading
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/02—Apparatus for or methods of weighing material of special form or property for weighing material of filamentary or sheet form
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
- G01G17/06—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes having means for controlling the supply or discharge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The invention discloses an accurate conveying mechanism of a high-precision weight-reducing metering scale, which comprises a shell with a feeding bin, a driving wheel assembly, a driven wheel assembly, a conveying belt and a driving assembly, wherein the driving wheel assembly and the driven wheel assembly are oppositely arranged; the feeding bin is provided with a feeding hole and a discharging hole; the driving wheel assembly and the driven wheel assembly are both arranged in the feeding bin; a toothed synchronous belt is arranged on the inner side of the conveying belt, two ends of the synchronous belt are respectively meshed with synchronous wheels of the driving wheel assembly and the driven wheel assembly, the center of the conveying belt is positioned below the feeding hole, and the discharging hole is positioned at the front end of the advancing direction of the conveying belt; the driving assembly is used for driving the driving wheel assembly to work. The toothed synchronous belt is arranged on the inner side of the conveying belt, the purposes of increasing friction force and preventing skid transmission are achieved through the meshing of the synchronous belt with the synchronous wheels of the driving wheel assembly and the driven wheel assembly, and inaccurate metering caused by the skid of the conveying belt is avoided, so that the working stability of the conveying mechanism is improved, namely the metering precision of the weightless scale is improved.
Description
Technical Field
The invention relates to the technical field of material transmission, in particular to an accurate conveying mechanism of a high-accuracy weight-reducing metering scale.
Background
The weightlessness scale is an automatic weighing device which realizes high-precision continuous quantitative feeding through a dynamic weighing mode, can reliably, accurately and stably feed dry and scattered materials such as powder, particles, sheets and the like, reduces the waste of the materials and improves the uniformity of a mixture. However, in actual use, the conveying mechanism of the existing weightless scale is unstable in work, so that the metering precision of the weightless scale is unstable, and finally, inaccurate and unstable feeding is caused, and the production quality is influenced.
Disclosure of Invention
The invention aims to provide an accurate conveying mechanism of a high-precision weightlessness type metering scale, which improves the working stability and further improves the metering precision of the weightlessness scale.
In order to achieve the above purpose, the solution of the invention is:
an accurate conveying mechanism of a high-precision weight-reducing metering scale comprises a shell with a feeding bin, a driving wheel assembly, a driven wheel assembly, a conveying belt and a driving assembly, wherein the driving wheel assembly and the driven wheel assembly are oppositely arranged; the feeding bin is provided with a feeding hole and a discharging hole; the driving wheel assembly and the driven wheel assembly are both arranged in the feeding bin; a toothed synchronous belt is arranged on the inner side of the conveying belt, two ends of the synchronous belt are respectively meshed with synchronous wheels of the driving wheel assembly and the driven wheel assembly, the center of the conveying belt is positioned below the feeding hole, and the discharging hole is positioned at the front end of the advancing direction of the conveying belt; the driving assembly is used for driving the driving wheel assembly to work.
The accurate conveying mechanism of the high-precision weight-reducing metering scale further comprises a material guide assembly, wherein the material guide assembly comprises a rear baffle and two side baffles, the rear baffle and the two side baffles are installed on the periphery of the feeding port and are obliquely arranged, the rear baffle is located at the rear end of the advancing direction of the conveying belt, and the two side baffles are respectively located on two sides of the conveying belt.
And one ends of the two side baffles close to the rear baffle are respectively connected with two ends of the rear baffle.
The accurate conveying mechanism of the high-precision weight-reducing metering scale further comprises a gate valve movably arranged in the vertical direction in a penetrating mode on the shell, and the gate valve is arranged above the front end of the advancing direction of the conveying belt.
The accurate conveying mechanism of the high-precision weight-reducing metering scale further comprises a detachable transparent cover plate arranged on the shell.
The accurate conveying mechanism of the high-precision weight-reducing metering scale further comprises a dust collection drawer arranged in the feeding bin, and the dust collection drawer is located below the conveying belt.
The driving assembly comprises a servo motor and a speed reducer assembly.
The shell comprises an upper plate with the feed inlet, a rear plate, two side plates, a front plate and a bottom plate with the discharge outlet, so as to form the feeding bin.
The front plate is arranged to be detachable and transparent.
And a blanking guide block is arranged below the discharge hole.
After the technical scheme is adopted, the toothed synchronous belt is arranged on the inner side of the conveying belt, the purposes of increasing friction force and preventing skid transmission are achieved through the meshing of the synchronous belt and the synchronous wheels of the driving wheel component and the driven wheel component, and inaccurate metering caused by the slipping of the conveying belt is avoided, so that the working stability of the conveying mechanism is improved, namely the metering precision of the weightless scale is improved.
In addition, the gate valve provided by the invention can adjust the opening degree of front-end feeding according to the actual feeding condition under the observation of a user or program monitoring, change the feeding resistance of the conveying belt in real time, and further improve the feeding stability and the metering precision; through using servo motor and speed reducer subassembly as drive assembly, can realize the big moment of torsion of high multiple speed output for drive assembly's output rotational speed can set up wantonly, more accurate, has also promoted measurement accuracy equally.
Drawings
FIG. 1 is a perspective view of a weightless scale apparatus incorporating an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of a portion of the structure of FIG. 1;
the reference numbers illustrate: a housing 10; a feeding bin 11; a feed inlet 12; a discharge port 13; an upper plate 14; a rear plate 15; side plates 16; a front plate 17; a base plate 18; a blanking guide block 19; a capstan assembly 20; a synchronizing wheel 21; a driven wheel assembly 30; a conveyor belt 40; a timing belt 41; a drive assembly 50; a material guide assembly 60; a rear baffle 61; side dams 62; a gate valve 70; a transparent cover plate 80; a dust collection drawer 90; a weighing module 100; a hopper 200.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
The invention relates to an accurate conveying mechanism of a high-precision weight-reducing metering scale, which comprises a shell 10 with a feeding bin 11, a driving wheel assembly 20 and a driven wheel assembly 30 which are oppositely arranged, a conveying belt 40 and a driving assembly 50.
The feeding bin 11 is provided with a feeding port 12 and a discharging port 13.
The driving wheel assembly 20 and the driven wheel assembly 30 are both arranged in the feeding bin 11.
The inner side of the conveying belt 40 is provided with a toothed synchronous belt 41, two ends of the synchronous belt 41 are respectively engaged with the synchronous wheels 21 of the driving wheel assembly 20 and the driven wheel assembly 30, the center of the conveying belt 40 is located below the feeding port 12, and the discharging port 13 is located below the front end of the conveying belt 40 in the advancing direction.
The driving assembly 50 is used for driving the driving pulley assembly 20 to work.
Referring to fig. 1-5, a specific embodiment of the present invention is shown.
The invention also comprises a material guiding assembly 60, wherein the material guiding assembly 60 comprises a rear baffle 61 and two side baffles 62 which are arranged on the periphery of the feeding hole 12 in an inclined manner, the rear baffle 61 is positioned above the rear end of the advancing direction of the conveying belt 40, and the two side baffles 62 are respectively positioned above the two sides of the conveying belt 40, so that the materials are not easy to remain in the left-right direction and the rear direction of the conveying belt 40 and only slowly fall into the discharging hole 13 in the advancing direction of the conveying belt 40.
One end of the two side baffles 62 close to the rear baffle 61 is respectively connected with two ends of the rear baffle 61 so as to prevent the material from leaking and remaining from the gap between the side baffles 62 and the rear baffle 61.
The present invention further includes a gate valve 70 movably inserted through the housing 10 in the vertical direction, and the gate valve 70 is disposed above the front end of the conveyor 40 in the forward direction, so that an opening with an adjustable size is formed between the gate valve 70 and the conveyor 40. During operation, the opening degree (i.e. the opening size) of the blanking at the front end of the conveying belt 40 can be changed through manual or electric control, and the resistance of the conveying belt 40 during feeding is changed, so that adaptive adjustment can be performed to ensure the conveying stability.
The present invention further comprises a removable transparent cover 80 mounted on the housing 10 so that a user can observe the conditions inside the feeding bin 11 and can open the transparent cover 80 at any time for cleaning and maintenance.
The present invention further comprises a dust collection drawer 90 installed in the feeding bin 11, wherein the dust collection drawer 90 is positioned below the conveying belt 40 to collect scattered residual dust and facilitate periodic cleaning.
The driving assembly 50 comprises a servo motor and a speed reducer assembly (the existing device is adopted, not shown in the figure), and the servo motor and the speed reducer are configured, so that high-speed and high-torque output can be realized, and the output rotating speed of the driving assembly 50 can be set randomly and is more accurate.
The housing 10 includes an upper plate 14 having a feeding opening 12, a rear plate 15, two side plates 16, a front plate 17, and a bottom plate 18 having a discharging opening 13 to form a feeding chamber 11, the front plate 17 of the present embodiment is detachable and transparent, and a blanking guide block 19 is disposed below the discharging opening 13.
In practical use of the present invention, the housing 10 is mounted on the weighing module 100 of the weightless weighing apparatus, and the feed inlet 12 is in communication with the hopper 200 of the weightless weighing apparatus.
Through the scheme, the toothed synchronous belt 41 is arranged on the inner side of the conveying belt 40, the purposes of increasing friction force and anti-skidding transmission are achieved through the meshing of the synchronous belt 41 with the synchronous wheels 21 of the driving wheel assembly 20 and the driven wheel assembly 30, the inaccurate metering caused by the skidding of the conveying belt 40 is avoided, and therefore the working stability of the conveying mechanism is improved, namely the metering precision of the weightless scale is improved.
In addition, the gate valve 70 provided by the invention can adjust the opening degree of front-end feeding according to the actual feeding condition under the observation of a user or program monitoring, change the feeding resistance of the conveying belt 40 in real time, and further improve the feeding stability and the metering precision; through using servo motor and speed reducer subassembly as drive assembly 50, can realize the big moment of torsion of high multiple speed output for drive assembly 50's output rotational speed can set up wantonly, more accurate, has also promoted the measurement accuracy equally.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (10)
1. The utility model provides a high accuracy subtracts accurate conveying mechanism of heavy formula weigher which characterized in that: the device comprises a shell with a feeding bin, a driving wheel assembly, a driven wheel assembly, a conveying belt and a driving assembly, wherein the driving wheel assembly and the driven wheel assembly are oppositely arranged;
the feeding bin is provided with a feeding hole and a discharging hole;
the driving wheel assembly and the driven wheel assembly are both arranged in the feeding bin;
a toothed synchronous belt is arranged on the inner side of the conveying belt, two ends of the synchronous belt are respectively meshed with synchronous wheels of the driving wheel assembly and the driven wheel assembly, the center of the conveying belt is positioned below the feeding hole, and the discharging hole is positioned at the front end of the advancing direction of the conveying belt;
the driving assembly is used for driving the driving wheel assembly to work.
2. The precision feed mechanism for a high precision, reduced weight scale according to claim 1, wherein:
the conveying belt is characterized by further comprising a material guiding assembly, wherein the material guiding assembly comprises a rear baffle and two side baffles, the rear baffle and the two side baffles are installed on the periphery of the feeding port and are obliquely arranged, the rear baffle is located at the rear end of the advancing direction of the conveying belt, and the two side baffles are located on two sides of the conveying belt respectively.
3. The precision feed mechanism for a high precision, reduced weight scale according to claim 2, wherein:
and one ends of the two side baffles close to the rear baffle are respectively connected with two ends of the rear baffle.
4. The precision feed mechanism for a high precision, reduced weight scale according to claim 1, wherein:
the gate valve is movably arranged in the vertical direction in a penetrating mode on the shell, and the gate valve is arranged above the front end of the advancing direction of the conveying belt.
5. The precision feed mechanism for a high precision, reduced weight scale according to claim 1, wherein:
the device also comprises a detachable transparent cover plate arranged on the shell.
6. The precision feed mechanism for a high precision, reduced weight scale according to claim 1, wherein:
the conveying belt conveying device is characterized by further comprising a dust collection drawer arranged in the feeding bin, and the dust collection drawer is located below the conveying belt.
7. The precision feed mechanism for a high precision, reduced weight scale according to claim 1, wherein:
the driving assembly comprises a servo motor and a speed reducer assembly.
8. The precision feed mechanism for a high precision, reduced weight scale according to claim 1, wherein:
the shell comprises an upper plate with the feed inlet, a rear plate, two side plates, a front plate and a bottom plate with the discharge outlet, so as to form the feeding bin.
9. The precision feed mechanism for a high precision, reduced weight scale according to claim 8, wherein:
the front plate is arranged to be detachable and transparent.
10. The precision feed mechanism for a high precision, reduced weight scale according to claim 8, wherein:
and a blanking guide block is arranged below the discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244283.XA CN111361963A (en) | 2020-03-31 | 2020-03-31 | Accurate conveying mechanism of high-precision weight-reducing metering scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244283.XA CN111361963A (en) | 2020-03-31 | 2020-03-31 | Accurate conveying mechanism of high-precision weight-reducing metering scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111361963A true CN111361963A (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010244283.XA Pending CN111361963A (en) | 2020-03-31 | 2020-03-31 | Accurate conveying mechanism of high-precision weight-reducing metering scale |
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| Country | Link |
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| CN (1) | CN111361963A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357519A (en) * | 2020-11-02 | 2021-02-12 | 国投生物能源(铁岭)有限公司 | Belt weigher subassembly and powdery material conveying system |
-
2020
- 2020-03-31 CN CN202010244283.XA patent/CN111361963A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357519A (en) * | 2020-11-02 | 2021-02-12 | 国投生物能源(铁岭)有限公司 | Belt weigher subassembly and powdery material conveying system |
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