CN111174879A - Small product weighing device - Google Patents
Small product weighing device Download PDFInfo
- Publication number
- CN111174879A CN111174879A CN202010110853.6A CN202010110853A CN111174879A CN 111174879 A CN111174879 A CN 111174879A CN 202010110853 A CN202010110853 A CN 202010110853A CN 111174879 A CN111174879 A CN 111174879A
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- Prior art keywords
- weighing
- air blowing
- discharging chute
- hub
- transfer
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/02—Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism
- G01G13/022—Material feeding devices
- G01G13/026—Material feeding devices by mechanical conveying means, e.g. belt or vibratory conveyor
Abstract
The invention relates to a small product weighing device, which comprises a feeding mechanism, a conveying and transferring mechanism, a fragment removing mechanism and a weighing mechanism, wherein: the feeding mechanism comprises a hopper, a stirring mechanism and a sequencing mechanism, the conveying and transferring mechanism comprises a transferring hub, a guide seat and a servo motor, the fragment removing mechanism comprises a guide fork, a triggering mechanism, a blowing device and a collecting box a, and the weighing mechanism comprises a weighing platform and a weighing sensor; the device also comprises a discharging mechanism, wherein the discharging mechanism comprises a discharging chute a, a discharging chute b, a removing door, a collecting box b and a collecting box c; the control unit can send instructions to the blowing device, the servo motor and the rejection door, so that products meeting the weight requirement are separated from products not meeting the weight requirement; the invention solves the problems that the disturbed airflow is generated around the weighing platform due to vacuum leakage and the production efficiency is influenced by long stabilization time of small products during weighing.
Description
Technical Field
The invention belongs to the technical field of weighing equipment, and particularly relates to a small product weighing device.
Background
At present, the existing weighing device in the pharmaceutical industry adopts two modes: one method adopts a vacuum adsorption method, and the tablets or pills are conveyed above a weighing platform, then released onto a weighing scale and weighed; another way is to use a vacuum suction wheel in conjunction with a transfer hub to transport the tablets or pills to a weighing station for weighing. Both of the two methods have certain disadvantages, which are as follows:
the first mode is as follows: when the tablets or pills are weighed, the next adjacent tablet or pill to be weighed rotates towards the weighing platform along with the vacuum adsorption wheel, and partial vacuum leakage exists all the time because the tablets or pills cannot be completely attached to the adsorption port, so that disturbance airflow is generated around a weighing scale, the precise weighing of a weighing sensor is influenced, and the weighing result is not accurate; the second mode is as follows: because the vacuum adsorption wheel is matched with the transfer hub for use, the tablets or pills are sent into the groove on the transfer hub by the adsorption wheel and then thrown into the scale pan, and because the scale pan is large and does not have a small product quick positioning groove, the stability time of the weighing sensor is prolonged after the tablets or pills fall on the scale pan, so that the weighing period is prolonged.
Disclosure of Invention
The invention provides a small product weighing device, which solves the problems that the vacuum leakage can cause the generation of disturbed airflow and the stability time is prolonged when tablets or pills are weighed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a small product weighing device, includes feed mechanism, locates the transport transfer mechanism of feed mechanism below, locate on the transport transfer mechanism the piece is rejected the mechanism and is located the weighing machine of transport transfer mechanism below, wherein:
the feeding mechanism comprises a hopper, a stirring mechanism and a sequencing mechanism, the hopper is arranged above the stirring mechanism, and a discharge port of the stirring mechanism is connected with the sequencing mechanism;
the conveying and transferring mechanism comprises a transferring hub, a guide seat and a servo motor, wherein a plurality of grooves are formed in the circumferential surface of the transferring hub, and air blowing holes are formed in the bottoms of the grooves; the guide seat is close to the transfer hub, and the output end of the servo motor is connected with the transfer hub;
the fragment removing mechanism comprises a guide fork, a triggering mechanism, a blowing device and a collecting box a, the guide fork is arranged above the guide seat, the guide fork is adjacent to the circumferential surface of the transfer hub, the triggering mechanism is arranged above the guide fork, and the triggering mechanism is adjacent to the circumferential surface of the transfer hub; the middle part of the guide fork is provided with the air blowing device;
the weighing mechanism comprises a weighing platform and a weighing sensor, the weighing platform is arranged below the transfer hub, and the weighing platform is placed on the weighing sensor;
the discharging mechanism is arranged at the outlet end of the weighing mechanism.
Preferably, the air blowing holes comprise a plurality of radial air blowing holes and a plurality of axial air blowing holes, the radial air blowing holes are coaxial with the openings of the grooves, and the radial air blowing holes are perpendicular to the axial air blowing holes and communicated with the axial air blowing holes.
Preferably, the air transfer device further comprises a plurality of radial air inlet holes, the radial air inlet holes are formed in the middle of the transfer hub, the radial air inlet holes are perpendicular to the axial air blowing holes and are communicated with the axial air blowing holes, and meanwhile the radial air inlet holes are parallel to the radial air blowing holes.
Preferably, the guide seat comprises an arc-shaped conveying track, the guide seat is in a shape of a right triangle, the bevel edge of the guide seat is the arc-shaped conveying track, and the arc-shaped conveying track is closely adjacent to the circumferential surface of the transfer hub.
Preferably, the weighing platform comprises a U-shaped guardrail, a V-shaped positioning groove and a base, the base is arranged on the weighing sensor, the U-shaped guardrail is arranged above the base, the V-shaped positioning groove is formed in the bottom of the hollow part of the U-shaped guardrail, and the opening surface of the U-shaped guardrail is aligned with the outlet end of the arc-shaped conveying track.
Preferably, the automatic weighing system further comprises a discharging chute a, a discharging chute b, a removing door, a collecting box b and a collecting box c, wherein the discharging chute a is positioned below the transfer hub, and the upper end surface of the discharging chute a is lower than the plane where the weighing platform V-shaped positioning groove is positioned; the channel of the discharging chute a is downwards provided with the discharging chute b; a rejection door is arranged at the joint of the discharging chute a and the discharging chute b; the bottom of the outlet end of the discharging chute a is provided with the collecting box b, and the bottom of the outlet end of the discharging chute b is provided with the collecting box c.
Preferably, the device also comprises a control unit, and the triggering mechanism and the weighing sensor sense signals are transmitted to the control unit; the control unit can send instructions to the blowing device, the servo motor and the rejection door.
Preferably, the air blowing device comprises a sliding block, an air blowing nozzle and a pressure spring, the sliding block is arranged in the middle of the guide fork, the bottom of the sliding block is close to the outer circumferential surface of the transfer hub, the air blowing nozzle is arranged inside the sliding block, and the pressure spring is sleeved outside the air blowing nozzle.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the invention utilizes the conveying and transferring device to convey and transfer the small product to the weighing platform under the condition of no vacuum assistance, and the periphery of the weighing platform has no influence on the weighing result due to interference airflow generated by vacuum leakage, thereby ensuring the accuracy of weighing and metering of the small product.
2. The weighing platform used by the invention is provided with the V-shaped positioning groove and the U-shaped guardrail, small products can be quickly and stably placed in the V-shaped groove in the U-shaped guardrail of the weighing platform, the weighing time of each small product is shortened, and the capacity of weighing equipment can be improved.
3. The feeding device controls the feeding of small products by the mutual cooperation of the feeding pipe, the transfer hub and the servo motor, can well control the feeding of the small products without a special gate opening/closing mechanism and a special control device, simplifies a small product feeding mechanism, has good synchronism, is simple and reliable, and reduces the manufacturing cost.
4. The fragment removing mechanism can remove the fragments entering the groove of the transfer hub together with the small product into the collecting box a, and effectively prevents the fragments and the small product from being crushed when entering the arc-shaped conveying track simultaneously, so that the arc-shaped conveying channel and the weighing platform are polluted, and the accuracy of subsequent weighing is influenced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a left side view of the overall construction of the present invention;
FIG. 2 is an elevational view of the overall construction of the present invention;
FIG. 3 is a schematic view of the structure of the guide base of the present invention;
FIG. 4 is a schematic view of a scale platform of the present invention;
FIG. 5 is a cross-sectional view of the transfer hub of the present invention;
FIG. 6 is a perspective view of the transfer hub of the present invention;
FIG. 7 is a cross-sectional view of the transfer device of the present invention;
FIG. 8 is a schematic view of the structure of the air blowing device of the present invention.
In the figure: 10. a feeding mechanism; 11. a hopper; 12. a stirring mechanism; 13. a sorting mechanism; 131. a sorting channel; 132. a discharging pipe; 20. a conveying and transferring device; 21. a transfer hub; 211. a groove; 212. a gas blowing hole; 2121. radial air blowing holes; 2122. an axial blow hole; 213. a radial air inlet; 22. a guide seat; 221. an arc-shaped conveying track; 23. a servo motor; 30. a debris removal mechanism; 31. a guide fork; 32. a trigger mechanism; 33. a collection box a; 34. a blowing device; 341. a slider; 342. an air nozzle; 343. a pressure spring; 40. a weighing mechanism; 41. weighing platform; 411. a U-shaped guardrail; 412. a V-shaped positioning groove; 413. a base; 42. a weighing sensor; 50. a discharging mechanism; 51. a rejection gate; 52. a collection box b; 53. a collection box c; 54. a discharge chute a; 55. a discharging chute b; 60. a control unit.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The problem that the existing weighing device generates interference airflow due to vacuum leakage and the problem that the weighing period is prolonged due to the long required stabilization time after a product reaches a scale is solved. Therefore, the invention provides a small product weighing device, which solves the problems, simultaneously can well control the feeding of the small products because the invention does not need a special gate opening/closing mechanism and a control device, simplifies the feeding mechanism of the small products, has good synchronism, simple and reliable structure and reduces the manufacturing cost.
As shown in fig. 1 and 2, the top of the present invention is a feeding mechanism 10, the feeding mechanism 10 includes a hopper 11, a stirring mechanism 12 and a sorting mechanism 13, the hopper 11 is disposed above the stirring mechanism 12, and a discharge port of the stirring mechanism 12 is connected to the obliquely disposed sorting mechanism 13. The sequencing mechanism 13 comprises a sequencing channel 131 and a blanking pipe 132, a discharge port of the stirring mechanism 12 is connected with the sequencing channels 131, and outlet ends of the sequencing channels 131 are connected with the blanking pipe 132 arranged in the vertical direction. A conveying and transferring mechanism 20 is arranged below the outlet end of the blanking pipe 132, the conveying and transferring mechanism 20 comprises a transferring hub 21, a guide seat 22 and a servo motor 23, the guide seat 22 is adjacent to the transferring hub 21, the output end of the servo motor 23 is connected with the transferring hub 21, a plurality of grooves 211 are formed in the circumferential surface of the transferring hub 21, and air blowing holes 212 are formed below the grooves 211.
The outer surface of the invention, which is close to the conveying and transferring mechanism 20, is provided with a fragment removing mechanism 30, the fragment removing mechanism 30 comprises a guide fork 31, a trigger mechanism 32, a blowing device 34 and a collecting box a33, the guide fork 31 is arranged above the guide seat 22, and the bottom of the guide fork 31 is connected with the top of the guide seat 22 through a staggered convex block in a clamping manner. The guide fork 31 is closely adjacent to the circumferential surface of the transfer hub 21, the trigger mechanism 32 is arranged above the guide fork 31, the trigger mechanism 32 is provided with a trigger rod, the trigger rod is bent, and the bent part is closely adjacent to the circumferential surface of the transfer hub 21. The air blowing device 34 is mounted in the middle of the guide fork 31 (shown in fig. 3 at a). Conveying and transferring mechanism 20's below is installed weighing mechanism 40, weighing mechanism 40 includes weighing platform 41 and weighing sensor 42, weighing platform 41 is located transfer hub 21 below, weighing platform 41 places in on weighing sensor 42.
The invention also comprises a discharging mechanism 50, wherein the discharging mechanism 50 comprises a removing door 51, a collecting box b52, a collecting box c53, a discharging chute a54 and a discharging chute b55, the discharging chute a54 is positioned below the transfer hub 21, and the upper end surface of the discharging chute a54 is lower than the bottom surface of the U-shaped groove on the weighing platform 41; the discharging chute b55 is arranged on the discharging chute a54 downwards; a rejecting door 51 is arranged at the joint of the discharging chute a54 and the discharging chute b 55; the bottom of the outlet end of the discharging chute a54 is provided with the collecting box b52, and the bottom of the outlet end of the discharging chute b55 is provided with the collecting box c 53. The invention also comprises a control unit 60, wherein signals sensed by the trigger mechanism 32 and the weighing sensor 42 are transmitted to the control unit 60; the control unit 60 can send commands to the servo motor 23, the actuator blower 34 of the chip removing device 30 and the removing door 51 of the discharging device 50.
Example 1
The preferred scheme of the invention is as follows: according to the structural description, the scheme provides a best embodiment. As shown in fig. 3, the guide holder 22 has a right triangle shape, the oblique side of the guide holder is an arc-shaped conveying rail 221, and the arc-shaped conveying rail 221 is engaged with the circumferential surface of the transfer hub 21. As shown in fig. 4, the weighing platform 41 includes a U-shaped guardrail 411, a V-shaped positioning slot 412 and a base 413, the base 413 is disposed on the weighing sensor 42, the U-shaped guardrail 411 is disposed above the base 413, the V-shaped positioning slot 412 is disposed at the bottom of the hollow portion of the U-shaped guardrail 411, and the opening surface of the U-shaped guardrail 411 is aligned with the outlet end of the arc conveying track 221.
As shown in fig. 6, a plurality of radial air inlet holes 213 are formed in the middle of the transfer hub 21, a plurality of parallel and equidistant toothed discs are arranged on the circumferential surface of the transfer hub 21 on two sides of the plurality of radial air inlet holes 213, and the plurality of toothed discs are distributed on the cylindrical surface of the transfer hub 21. The tooth-shaped disc is provided with a plurality of grooves 211, the tooth-shaped disc is embedded into the arc-shaped conveying track 221 and has gaps with two sides of the arc-shaped conveying track 221, when the grooves 211 on the tooth-shaped disc in the transfer hub 21 rotate to the arc-shaped conveying track 221, the grooves 211 on the tooth-shaped disc and the arc-shaped conveying track 221 form small closed spaces, so that small products in the grooves 211 cannot roll off.
As shown in fig. 5, the opening of the groove 211 is close to the side where the small product enters, and the top of the opening is provided with a chamfer, so that the small product can better enter the groove 211. When the small product falls from the blanking pipe 132, the inclined surface can guide the small product into the groove 211 below in advance, so that the small product falls into the groove 211 more smoothly. The air blowing holes 212 comprise radial air blowing holes 2121 and axial air blowing holes 2122, the opening directions of the plurality of radial air blowing holes 2121 and the plurality of grooves 211 are coaxial, the plurality of radial air blowing holes 2121 are perpendicular to and communicated with the axial air blowing holes 2122, the radial air inlet holes 213 are perpendicular to and communicated with the axial air blowing holes 2122, and meanwhile, the radial air inlet holes 213 are parallel to the plurality of radial air blowing holes 2121.
As shown in fig. 7 and 8, in this embodiment, the blowing device 34 is attached to the circumferential surface of the transfer hub 21 through the arc surface of a sliding block 341, and a blowing nozzle 342 is disposed in the middle of the sliding block 341. In order to prevent the air leakage phenomenon from occurring on the circumferential abutting surface of the sliding block 341 and the transfer hub 21 to affect the removal of fragments, a pressure spring 343 is sleeved on the air blowing device 34, and the pressure spring 343 enables the arc surface of the sliding block 341 to be always tightly attached to the circumferential surface of the transfer hub 21.
The specific operation process of the scheme is as follows: bulk tablets, pills or other small products are put in the hopper 11, are stirred by the stirring mechanism 12, are conveyed to the sequencing mechanism 13, are sent out from the outlet end of the stirring mechanism 12, are sequenced in a single longitudinal column mode through the sequencing channel 131 on the sequencing mechanism 13, and are conveyed into the groove 211 on the transfer hub 21 through the guide of the discharge pipe 132.
The transfer hub 21 rotates counterclockwise, and when the groove 211 rotates to the lower part of the blanking pipe 132, the small product automatically falls into the groove 211 under the action of gravity. When the groove 211 rotates to the trigger mechanism 32, if there is a fragment entering the transfer hub 21, the trigger mechanism 32 will transmit a sensing signal to the control unit 60, the control unit 60 will transmit the control signal to a solenoid valve (not shown in the drawings) in the fragment removing mechanism 30, the solenoid valve is turned on, compressed air blows into the radial air inlet hole 213 communicated with the axial air blowing hole 2122 through the air nozzle 342 on the air blowing device 34, and a set of twelve radial air blowing holes 2121 communicated with the axial air blowing hole 2122 will simultaneously blow out all objects in the groove 211, pass through the removing channel on the guide fork 31, and fall into the collecting box a 33.
When the groove 211 containing the small product rotates to the outlet of the arc-shaped conveying track 221, the transfer hub 21 brings the small product in the groove 211 into the weighing platform 41, and the weight of the small product is measured in time by the weighing sensor 42 through the rapid positioning of the V-shaped positioning groove 412, and then the small product on the weighing platform 41 is brought into the discharge chute a54 due to the rotation of the transfer hub 21. The weighing sensor 42 transmits the obtained data signal to the control unit 60, if the obtained weight is within the qualified range, the control unit 60 controls the rejecting door 51 to be switched to the discharging chute a54, the qualified products enter the collecting box b52 through the discharging chute a54, and if the obtained weight is not within the qualified range, the qualified products are unqualified products, the control unit 60 controls the rejecting door 51 to be switched to the discharging chute b55, and the unqualified products slide into the collecting box c53 through the discharging chute b 55.
The transfer hub 21 is driven by the servo motor 23 to intermittently rotate according to a set division value, so that the weighing and sorting results of the same product can be continuously obtained. A plurality of groups of devices are adjacently combined together, so that the productivity can be improved by a plurality of times, and high-speed weighing is realized.
The invention utilizes the conveying and transferring device 20 to convey and transfer the small product to the weighing platform 41 under the condition of no vacuum assistance, and different from the existing vacuum adsorption mode, the periphery of the weighing platform 41 of the invention does not generate interference airflow generated by vacuum leakage to influence the weighing result, thereby ensuring the accuracy of weighing and metering the small product.
The weighing platform 41 used in the invention is provided with the V-shaped positioning groove 412 and the U-shaped guardrail 411, small products can be quickly and stably placed in the V-shaped positioning groove 412 in the U-shaped guardrail 411 of the weighing platform 41, the weighing time of each small product is shortened, and the productivity of the weighing equipment is improved.
The feeding of small products is controlled by the cooperation of the feeding pipe 132, the transfer hub 21 (the toothed disc) and the servo motor 23, the feeding of the small products can be well controlled without a special gate opening/closing mechanism and a special control device, the small product feeding mechanism is simplified, the synchronism is good, the structure is simple and reliable, and the manufacturing cost is reduced.
The fragment removing mechanism 30 can remove the fragments entering the groove 211 of the transfer hub 21 together with the small products into the collection box a33, and effectively prevents the fragments and the small products from being crushed when entering the arc-shaped conveying track 311 simultaneously, so as to pollute the arc-shaped conveying channel 311 and the weighing platform 41 and influence the weighing accuracy.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A weighing device for small products is characterized in that: including feed mechanism (10), locate transport transfer mechanism (20) of feed mechanism (10) below, locate on transport transfer mechanism (20) chip rejection mechanism (30), locate transport transfer mechanism (20) below weighing mechanism (40) and discharge mechanism (50), wherein:
the feeding mechanism (10) comprises a hopper (11), a stirring mechanism (12) and a sequencing mechanism (13), the hopper (11) is arranged above the stirring mechanism (12), and a discharge hole of the stirring mechanism (12) is connected with the sequencing mechanism (13);
the conveying and transferring mechanism (20) comprises a transferring hub (21), a guide seat (22) and a servo motor (23), wherein a plurality of grooves (211) are formed in the circumferential surface of the transferring hub (21), and air blowing holes (212) are formed in the bottoms of the grooves (211); the guide seat (22) is close to the transfer hub (21), and the output end of the servo motor (23) is connected with the transfer hub (21);
the debris removing mechanism (30) comprises a guide fork (31), a triggering mechanism (32), a collecting box a (33) and a blowing device (34), the guide fork (31) is arranged above the guide seat (22), the guide fork (31) is closely adjacent to the circumferential surface of the transfer hub (21), the triggering mechanism (32) is arranged above the guide fork (31), and the triggering mechanism (32) is closely adjacent to the circumferential surface of the transfer hub (21); the middle part of the guide fork (31) is provided with the blowing device (34);
the weighing mechanism (40) comprises a weighing platform (41) and a weighing sensor (42), the weighing platform (41) is arranged below the transfer hub (21), and the weighing platform (41) is placed on the weighing sensor (42);
the discharging mechanism (50) is arranged at the outlet end of the weighing mechanism (40).
2. A small item weighing apparatus according to claim 1 wherein: the air blowing holes (212) comprise a plurality of radial air blowing holes (2121) and a plurality of axial air blowing holes (2122), the opening directions of the radial air blowing holes (2121) and the grooves (211) are coaxial, and the radial air blowing holes (2121) are perpendicular to the axial air blowing holes (2122) and are communicated with the axial air blowing holes (2122).
3. A small item weighing apparatus according to claim 2, wherein: the air transfer device is characterized by further comprising a plurality of radial air inlet holes (213), wherein the radial air inlet holes (213) are formed in the middle of the transfer hub (21), the radial air inlet holes (213) are perpendicular to the axial air blowing holes (2122) and communicated with the axial air blowing holes, and meanwhile, the radial air inlet holes (213) are parallel to the radial air blowing holes (2121).
4. A small item weighing apparatus according to claim 3, wherein: guide holder (22) are including arc conveying track (221), guide holder (22) are right angle triangle form, and its hypotenuse is arc conveying track (221), arc conveying track (221) with shift hub (21) periphery is next to.
5. A small item weighing apparatus according to claim 4, wherein: weighing platform (41) includes U type guardrail (411), V type constant head tank (412) and base (413), base (413) are arranged in on weighing sensor (42), base (413) top is equipped with U type guardrail (411), U type guardrail (411) cavity bottom has been seted up V type constant head tank (412), U type guardrail (411) opening face with arc delivery track (221) exit end aligns.
6. A small item weighing apparatus according to claim 5, wherein: the automatic weighing system is characterized by further comprising a discharging chute a (54), a discharging chute b (55), a removing door (51), a collecting box b (52) and a collecting box c (53), wherein the discharging chute a (54) is located below the transfer hub (21), and the upper end face of the discharging chute a (54) is lower than the plane where the weighing platform V-shaped positioning groove (412) is located; the channel of the discharging chute a (54) is downwards provided with the discharging chute b (55); a rejection door (51) is arranged at the joint of the discharging chute a (54) and the discharging chute b (55); the bottom of the outlet end of the discharging chute a (54) is provided with the collecting box b (52), and the bottom of the outlet end of the discharging chute b (55) is provided with the collecting box c (53).
7. A small item weighing apparatus according to claim 6, wherein: the control unit (60) is further included, and signals sensed by the trigger mechanism (32) and the weighing sensor (42) are transmitted to the control unit (60); the control unit (60) can send commands to the blowing device (34), the servo motor (23) and the rejection door (51).
8. A small item weighing apparatus according to claim 1 wherein: the air blowing device (34) comprises a sliding block (341), an air blowing nozzle (342) and a pressure spring (343), the sliding block (341) is arranged in the middle of the guide fork (31), the bottom of the sliding block (341) is close to the outer circumferential surface of the transfer hub (21), the air blowing nozzle (342) is arranged inside the sliding block (341), and the pressure spring (343) is sleeved outside the air blowing nozzle (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010110853.6A CN111174879A (en) | 2020-02-24 | 2020-02-24 | Small product weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010110853.6A CN111174879A (en) | 2020-02-24 | 2020-02-24 | Small product weighing device |
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| Publication Number | Publication Date |
|---|---|
| CN111174879A true CN111174879A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010110853.6A Pending CN111174879A (en) | 2020-02-24 | 2020-02-24 | Small product weighing device |
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| CN (1) | CN111174879A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122152A (en) * | 2020-10-20 | 2020-12-25 | 云南中烟工业有限责任公司 | Cigarette circumferential surface off-line appearance quality detection device and method |
| CN112304402A (en) * | 2020-10-26 | 2021-02-02 | 黑龙江迪尔制药机械有限责任公司 | Pill weighing device and method |
| WO2023273809A1 (en) * | 2021-06-30 | 2023-01-05 | 上海群町智能科技有限公司 | Continuous weighing system for small article and weighing method therefor |
-
2020
- 2020-02-24 CN CN202010110853.6A patent/CN111174879A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122152A (en) * | 2020-10-20 | 2020-12-25 | 云南中烟工业有限责任公司 | Cigarette circumferential surface off-line appearance quality detection device and method |
| CN112122152B (en) * | 2020-10-20 | 2024-01-26 | 云南中烟工业有限责任公司 | Off-line appearance quality detection device and method for circumferential surface of cigarette |
| CN112304402A (en) * | 2020-10-26 | 2021-02-02 | 黑龙江迪尔制药机械有限责任公司 | Pill weighing device and method |
| WO2023273809A1 (en) * | 2021-06-30 | 2023-01-05 | 上海群町智能科技有限公司 | Continuous weighing system for small article and weighing method therefor |
| US11692865B1 (en) | 2021-06-30 | 2023-07-04 | Shanghai Quntin-Tech Co., Ltd. | Continuous weighing system for small products and weighing method thereof |
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