CN206269905U - A kind of automatic weighing-batching system - Google Patents
A kind of automatic weighing-batching system Download PDFInfo
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- CN206269905U CN206269905U CN201621174781.7U CN201621174781U CN206269905U CN 206269905 U CN206269905 U CN 206269905U CN 201621174781 U CN201621174781 U CN 201621174781U CN 206269905 U CN206269905 U CN 206269905U
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- Prior art keywords
- weighing
- hopper
- automatic weighing
- discharging device
- splicing
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Abstract
The utility model is related to a kind of automatic weighing-batching system.The utility model includes automatic weighing quantitative discharging device and material collecting device, material collecting device includes splicing container and the transmitting device for transmitting splicing container, automatic weighing quantifies discharging device to be had multiple and is respectively used to weigh different batch ingredients, and splicing container is mobile on transmitting device and collects load weighted material component during automatic weighing quantifies discharging device one by one；The quantitative discharging device of automatic weighing includes feeding portion, weighing portion, feeding portion is set to electro-vibrating feeder, weighing portion includes the weighing sensor being connected on support bar and the two-way hopper being fixedly connected with weighing sensor, two-way hopper is located at the outlet lower section of feeding portion, and two-way hopper constitutes the duplex channel caused material in splicing container by guiding groove.The utility model is adapted to the production configuration process of mixed material, drastically increases the allocative efficiency of mixed material, reduces the input of a large amount of manpowers.
Description
Technical field
The utility model belongs to plant equipment and its control technology field, is specifically related to a kind of automatic weighing dispensing system
System.
Background technology
, it is necessary to carry out a series of uniform distributings such as feeding, weighing, splicing, blowing to material in daily life production
Process, and often manually weighed, shifted, being distributed, blowing, generally to expend substantial amounts of manpower and materials, and needing
Easily there is error during evenly distributing material.In addition when material be by multicomponent mixing constitute in the case of, such as in
Medicine, it is commonly known that Chinese medicine is typically to be formed by various different medicinal material hybrid combinations, how exactly to be claimed each component
Amount is remixed and obtains required Chinese medicine, and meets the requirement of the modern industry quality of production and production efficiency, is people in the art
The problem of member's urgent need to resolve.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of automatic weighing-batching system.
In order to realize the purpose of this utility model, the utility model employs following technical scheme：
A kind of automatic weighing-batching system, it is characterised in that：Including automatic weighing quantitative discharging device and material collection
Device, the material collecting device includes splicing container and the transmitting device for transmitting the splicing container, described automatic
Weighing quantitative discharging device has multiple and is respectively used to weigh different batch ingredients, and the splicing container is moved on transmitting device
Move and collect load weighted material component in the quantitative discharging device of the automatic weighing one by one；The quantitative blowing dress of the automatic weighing
Put including feeding portion, weighing portion, the feeding portion is set to electro-vibrating feeder, the weighing portion includes being connected on support bar
Weighing sensor and the two-way hopper that is fixedly connected with weighing sensor, the two-way hopper is located under the outlet of feeding portion
Side, the two-way hopper constitutes the duplex channel caused material in splicing container by guiding groove；The system also includes to institute
State the control display part that the quantitative discharging device of automatic weighing and material collecting device are controlled.
Further, the two-way hopper top is open-like shape, and the two-way feed hopper bottom is by being symmetrically distributed in both sides
Two hopper doors constitute bottom closure or openness state；The same side of two hopper door is equipped with baffle plate, and described two-way
Hopper is provided with detection baffle position so as to detect what whether two hopper doors closed completely on the side in two baffle plate movement locus
Optoelectronic switch；The two corresponding reducing motors for driving two hopper doors to open and close respectively are additionally provided with the two-way hopper.
Further, the guiding groove includes splicing guiding gutter and reclaims guiding gutter, the entrance pair of the splicing guiding gutter
The one of hopper door of two-way hopper is answered to export, another hopper door of the entrance two-way hopper of correspondence for reclaiming guiding gutter goes out
Mouthful.
Further, the material collecting device also includes reclaiming magazine, and the splicing container is located at the splicing water conservancy diversion
The underface of groove outlet, the recovery magazine is located at the underface of the recovery guiding gutter outlet.
Further, the control display part includes touching display screen, the circuit board below touching display screen and control
Molding block, the touching display screen is used to set and show weighing parameter, and the control module is connected on circuit boards, the control
Molding block is electrically connected with feeding portion, weighing portion and transmitting device respectively.
The beneficial effect of above-mentioned technical proposal is mainly reflected in the following aspects：
(1) the utility model is especially suitable for the production configuration process of mixed material, it is assumed that the component of compound has various, that
Correspondence can select the quantitative discharging device of multiple automatic weighings, and the quantitative discharging device of each automatic weighing is for weighing wherein one
Component is planted, splicing container can be collected along the described automatic of transmitting device transmission direction arrangement successively by the transmission of transmitting device
Measured component alleged by quantitative discharging device is weighed, to realize that the material of different component quickly is carried out into mixed configuration, this practicality
The new production for being adapted to the Chinese medicine such as by various medicinal material mixed configurations, drastically increases the configuration effect of mixed material
Rate, reduces the input of a large amount of manpowers.Electric and magnetic oscillation feeding machine is set to the feeding portion, the general of equal and quantitative by the utility model
Material is supplied to feeding equipment, while for accurate dispensing, weighing portion is introduced in feeding equipment, by weighing sensor
Pressure signal is converted into analog signal to obtain being sent into from feeding portion the accurate weight value of material, is set when weight of material is in
Weight range in, control module control reducing motor opens corresponding hopper door, and the qualified material of weight is through splicing guiding gutter
Into in splicing container；If weight of material exceedes the weight range for setting, control module controls the deceleration electricity above two-way hopper
Machine opens corresponding hopper door, during the recovered guiding gutter of overweight material enters and reclaims magazine, again from feeding portion feeding until
Weight is qualified fall into splicing container untill.First quantitative discharging device end-of-job of automatic weighing, institute in the utility model
State control module controlling transmission device and will be used to collect this at splicing container transport to the quantitative discharging device of next automatic weighing
Place's automatic weighing weighed material component of quantitative discharging device, until the material component for setting all is weighed and collects completion,
The feeding portion of control module control afterwards, weighing portion and transmitting device are stopped, and weighing information is shown on touching display screen.
The utility model is this to control the mutual cooperation of feeding portion, weighing portion and material collecting device by controlling display part
Automatic weighing proportioner automaticity it is very high and the accurate and higher blowing of dispensing, splicing efficiency can be reached.
(2) two-way hopper is employed in the utility model, the open top of two-way hopper is used to accept feeding portion outlet
Material, its bottom is provided distributed over monosymmetric hopper door, and the same side on two hopper doors is equipped with baffle plate, is established by cable by light
Pass can detect whether two hopper doors close completely；When the weight of material is qualified, by subtracting above corresponding splicing container
Speed motor drives the hopper door near splicing guiding gutter to open；When the weight of material is unqualified to be needed to reclaim, by reclaimed materials
Reducing motor above box drives to be opened near the hopper door for reclaiming guiding gutter.The setting of this two-way hopper constitute splicing and
The duplex channel of recovery, it is ensured that the inappropriate material of weight is recovered re-using, product is influenceed without falling into splicing container
Quality, for the stable operation of the present apparatus provides guarantee, while being effectively guaranteed the precision of dispensing.
(3) present apparatus is also provided with controlling the control display part of feeding portion, weighing portion and transmitting device, wherein controlling touch-control
Display screen is used to set and show weighing parameter, is easy to artificial operation；Control module is connected on circuit boards, for controlling feeding
The working condition in portion, weighing portion and transmitting device, is the fixed basis of reliability and automatic operating pad of the present apparatus, greatlys save people
Power material resources.
(4) the utility model by corresponding control method realize to the regulation of the delivery rate of electro-vibrating feeder with
Tracking, realizes accurate feed.The utility model carries out mathematical modeling, process for the dosing system of electro-vibrating feeder
Simply, delivery rate tracking effect is good, and modulability is strong, possesses good practicality and market prospects.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the quantitative discharging device of automatic weighing in the utility model.
Fig. 3 is the axonometric drawing in the utility model weighing portion.
Fig. 4 is the front view of the two-way hopper of the utility model.
Fig. 5 is the top view in the utility model weighing portion.
Fig. 6 is the top view of Fig. 2.
Fig. 7 is the right view of Fig. 2.
Fig. 8 is the front view of Fig. 2.
Fig. 9 is the quantitative discharging device control process principle schematic of the automatic weighing.
Figure 10 is the structured flowchart of delivery rate fuzzy-adaptation PID control module.
Figure 11 is the control flow chart of the delivery rate fuzzy-adaptation PID control module.
Figure 12 is the regulation change curve of actual delivery rate.
The quantitative discharging device A- feeding portion B- weighings portion B1- support bars of 10- automatic weighings
The two-way hopper B31- reducing motors B32- hopper doors of B2- weighing sensors B3-
B33- baffle plate B34- optoelectronic switch C- guiding groove C1- splicing guiding gutters
C2- reclaims guiding gutter D- material collecting device D1- splicing containers
D2- reclaims magazine E- control display part E1- touching display screen F- support frames
Specific embodiment
More specific detail is made to technical solutions of the utility model with reference to embodiment：
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, belongs to the scope of the utility model protection.
Embodiment 1
As shown in Figure 1, 2, the automatic weighing-batching system includes that the quantitative discharging device 10 of automatic weighing and material are received
Acquisition means D, the material collecting device D include splicing container D1 and the transmitting device for transmitting the splicing container D1
D3, the quantitative discharging device 10 of the automatic weighing has multiple and is respectively used to weigh different batch ingredients, the splicing container
D1 is mobile on transmitting device D3 and collects load weighted material component during the automatic weighing quantifies discharging device 10 one by one；Institute
Stating the quantitative discharging device 10 of automatic weighing includes feeding portion A, weighing portion B, and the feeding portion A is set to electro-vibrating feeder, institute
Stating weighing portion B includes the weighing sensor B2 being connected on support bar B1 and the two-way material being fixedly connected with weighing sensor B2
Bucket B3, the two-way hopper B3 are located at the outlet lower section of feeding portion A, and the two-way hopper B3 is made up of material guiding groove C
Cause the duplex channel in splicing container D1；The system also includes receiving the quantitative discharging device 10 of the automatic weighing and material
The control display part E that acquisition means D is controlled.
As shown in Fig. 3,4,5, the two-way hopper B3 tops are open-like shape, and the two-way hopper B3 bottoms are by symmetrical point
Two hopper door B32s of the cloth in both sides constitute the state of bottom closure or openness；The same side of the two hopper doors B32 is equipped with gear
Plate B33, and the two-way hopper B3 is provided with detection baffle plate B33 positions so as to examine on the side in two baffle plate B33 movement locus
Survey the optoelectronic switch B34 whether two hopper door B32 close completely；It is additionally provided with the two-way hopper B3 and drive respectively two hopper doors
The two corresponding reducing motor B31 that B32 is opened and closed.
The guiding groove C includes splicing guiding gutter C1 and reclaims the entrance correspondence of guiding gutter C2, the splicing guiding gutter C1
The two-way one of hopper door B32 outlets of hopper B3, the entrance for reclaiming guiding gutter C2 corresponds to another of two-way hopper B3
Hopper door B32 is exported.
The material collecting device D also includes that reclaiming magazine D2, the splicing container D1 is located at the splicing guiding gutter C1
The underface of outlet, the recovery magazine D2 is located at the underface of the recovery guiding gutter C2 outlets.
The control display part E includes touching display screen E1, the circuit board below touching display screen E1 and control mould
Block, the touching display screen E1 is used to set and show weighing parameter, and the control module is connected on circuit boards, the control
Module is electrically connected with feeding portion A, weighing portion B and transmitting device D3 respectively.
The course of work to the system is described in further detail below in conjunction with the accompanying drawings.
Before system starts, the quantitative discharging device 10 of each automatic weighing is checked, two are confirmed by optoelectronic switch B34
Hopper door B32 is in completely closed state, prevents the leakage of material；Set each by controlling the touching display screen E1 of display part E
The weight range and weighing number of the weighed correspondence material component of the quantitative discharging device 10 of individual automatic weighing.
S1, feeding device D3 is controlled splicing container D1 is delivered into first automatic weighing to quantify by controlling display part E
At discharging device 10, and cause that the material receiving port of splicing container D1 is directed at the outlet of the splicing guiding gutter C1；
S2, control module control the quantitative discharging device 10 of first automatic weighing so that feeding portion A conveys material component
Into the two-way hopper B3 of weighing portion B, the weight value signal in the two-way hopper B3 that now weighing sensor B2 will be weighed to is returned
Control module is back to, and is displayed on touching display screen E1, when material component weight reaches setting weight range, control module
Control feeding portion A stops conveying material component, especially for block or strip-shaped materials component, when material component is conveyed, no
Can guarantee that in weight range of the material component weight all the time in setting, if material component weight exceedes the weight range for setting,
The corresponding reducing motor B31 that control module control reclaims above magazine D2 opens to press close to reclaim the hopper door B32 of guiding gutter C2, surpasses
The recovered guiding gutter C2 of material component of weight enters in recovery magazine D2, and control module controls feeding portion A by material component again
It is delivered in the two-way hopper B3 of weighing portion B until material component weight is in the weight range for setting；If material component weight
In weight range of the amount in setting, the corresponding reducing motor B31 above control module control rotation splicing discharging device D1 beats
Open the hopper door B32 of splicing guiding gutter C1, the qualified material component of weight enters splicing container D1 through splicing guiding gutter C1
In；
S3, the material component in above-mentioned first automatic weighing quantifies the weighing portion B of discharging device 10 are thrown to splicing
After in container D1, is repeated the above steps and the splicing container D1 is delivered to the quantitative discharging device 10 of next automatic weighing
Place, until the various materials component for setting all is weighed and collects completions, afterwards control module control feeding portion A, weighing portion B and
Material collecting device D is stopped, and weighing information is shown on touching display screen E1.
If desired several pieces mixed material is weighed, above step is repeated.
Embodiment 2
The control method of the automatic weighing-batching system includes the control to the quantitative discharging device of the automatic weighing
Journey, the control process principle including parameter setting module, operating mode's switch module, delivery rate as shown in figure 9, obscure
Pid control module and parameter collection module；
The parameter setting module be used for the setting of combustion, the feed setting of weight, the setting of delivery rate and
Remote control or the selection for controlling on the spot；The operating mode's switch module is used to gather baffle position signal, two-way material in hopper
The signal in place of splicing container on real-time weight signal, transmitting device；
If splicing container arrives on the baffle position signal, the real-time weight signal of two-way material in hopper, transmitting device
Position signal all in normal range (NR) then according to the parameter of setting normally run by system, and starts the delivery rate fuzzy
Control module；
If stating on baffle position signal, the real-time weight signal of two-way material in hopper, transmitting device splicing container in place
The one of signal of signal is in non-normal range, then decision-making system is exception and opens manual mode；
The discharging opening that the baffle position signal is just referring to the two-way hopper is closed, the two-way hopper
The middle real-time weight signal of material is just referring to feed weight parameter of the real-time weight of two-way material in hopper less than setting；Institute
State splicing container on transmitting device signal in place just referring to the splicing container be in can collect the automatic weighing determine
The position of material component in amount discharging device；
The structured flowchart of the delivery rate fuzzy-adaptation PID control module is as shown in Figure 10, the delivery rate fuzzy control
The control process of molding block is as follows, and corresponding control flow chart is as shown in figure 11：
(1) start delivery rate fuzzy-adaptation PID control module, complete the A/D conversions of parameters；
(2) delivery rate is acquired, is calculated between real-time delivery rate value and the delivery rate value of setting
The rate of change ec of deviation e and deviation；
(3) the rate of change ec of deviation e and deviation is the input quantity of delivery rate fuzzy-adaptation PID control module, and u is delivery rate
The output quantity of fuzzy-adaptation PID control module, the output quantity of the delivery rate fuzzy-adaptation PID control module includes tri- controls of Kp, Ki, Kd
Parameter processed；The basic domain of the deviation e is [- 10,10], and the basic domain of the rate of change ec of the deviation is [- 20,20]；
The basic domain of the output quantity u is [- umax, umax] and rule of thumb to obtain, by deviation e, the rate of change ec of deviation and
The obfuscation subset of output quantity u obfuscations and three is respectively E, EC, U, the input language variate-value of the E, EC be NB,
NM, NS, Z, PS, PM, PB }, the output language variate-value of the U is { NB, NM, NS, Z, PS, PM, PB }；The NB, NM, NS,
The concrete meaning of Z, PS, PM, PB is：In negative big, negative, it is negative it is small, zero, it is just small, center, honest；
Again to the domain precise volume discretization of E, EC, U, the quantizing factor for selecting input quantity is ke=0.3, kec=0.15,
The quantizing factor of output quantity is ku=umax/3, obtains E, EC, U={ -3, -2, -1,0,1,2,3 }；The purpose of discretization be for
The unification of scope is discussed consequently facilitating reasoning and calculation, the result of discretization be the unification of all parameters is transformed to -3, -2, -1,
0th, 1,2,3 } in this scope, quantizing factor be used to by the actual range of parameters transform to setting -3, -2, -1,0,
1st, 2,3 }.
The quantized value of deviation e, the rate of change ec of deviation is obscured by E, EC for turning to fuzzy reasoning by membership function, its
Middle NB, PB take zmf functions, and NM, NS, Z, PS, PM take trimf functions；
(4) Fuzzy Control of three control parameters Kp, Ki of output quantity, Kd is worth to according to above-mentioned input, output language variable
System rule；
The fuzzy control rule table of the Kp of table 1
The fuzzy control rule table of the Ki of table 2
The fuzzy control rule table of the Kd of table 3
(5) obfuscation subset U=Kp, Ki, the Kd=(E on output quantity domaini×Ej)TR, represents obfuscation in formula
The synthesis computing of relation, in formula × represent obfuscation reasoning in minimizing operation, R represents total fuzzy control rule, (E in formulai
×Ej)TRepresent Ei×EjMatrix turns order, EiRepresent the array of e values, EjRepresent the array of ec values；
Kp, tri- values of parameter of Ki, Kd are calculated according to above-mentioned formula；
(6) U obtained by obfuscation reasoning is multiplied the fuzzy-adaptation PID control mould that obtain with the quantizing factor of the output quantity
Three reality output amounts of block；
By above-mentioned calculating, obtain the regulated quantity of delivery rate, by the regulated quantity and regulated quantity with it is currently practical
Delivery rate is overlapped and is exported, and carries out D/A conversions, right to realize to the corresponding driving voltage of electro-vibrating feeder
The regulation of delivery rate and tracking.
Further, the collection period of the parameter is 0.15s.
It is 2g/s when delivery rate rin is set, when real-time delivery rate yout is 1g/s, is counted according to e=+rin-yout
Calculation obtains e=1, brings the value of e=1 and ec into fuzzy-adaptation PID control module, and operational rule of fuzzy is obtained according to input condition
Three real-time adjustment values of parameter Kp, Ki, Kd of PID control, further according to the parameter of PID tri- Kp after adjustment, Ki, Kd is transported
Calculate, obtain real output value, so circulation, when error is intended to 0g/s between setting delivery rate and real-time delivery rate,
Pid control module parameter adjustment stabilization, and pid control module output tends to stabilization.As shown in figure 12, it is actual delivery rate
Regulation change curve：Solid line is setting delivery rate value, and [0,5] s's sets delivery rate as 2g/s, and [5,10] s's sets
Delivery rate is determined for 1g/s, dotted line is real-time delivery rate value, it can be seen that this control method has tracking velocity fast, entirely
Tracking process there almost is not hyperharmonic to vibrate.
Claims (5)
1. a kind of automatic weighing-batching system, it is characterised in that：Received including the quantitative discharging device (10) of automatic weighing and material
Acquisition means (D), the material collecting device (D) includes splicing container (D1) and the biography for transmitting the splicing container (D1)
Defeated device (D3), the quantitative discharging device (10) of the automatic weighing has multiple and is respectively used to weigh different batch ingredients, institute
Splicing container (D1) is stated to be moved on transmitting device (D3) and collect title in the quantitative discharging device (10) of the automatic weighing one by one
Measured material component；The quantitative discharging device (10) of the automatic weighing includes feeding portion (A), weighing portion (B), the feeding portion
(A) be set to electro-vibrating feeder, the weighing portion (B) include the weighing sensor (B2) being connected on support bar (B1) and
The two-way hopper (B3) being fixedly connected with weighing sensor (B2), the two-way hopper (B3) is located under the outlet of feeding portion (A)
Side, the two-way hopper (B3) constitutes the duplex channel caused material in splicing container (D1) by guiding groove (C)；The system
Also include the control display part being controlled to the quantitative discharging device (10) of the automatic weighing and material collecting device (D)
(E)。
2. a kind of automatic weighing-batching system according to claim 1, it is characterised in that：Two-way hopper (B3) top
Be open-like shape, two-way hopper (B3) bottom by be symmetrically distributed in both sides two hopper doors (B32) constitute bottom open or
The state of closure；The same side of two hopper door (B32) is equipped with baffle plate (B33), and the two-way hopper (B3) in two gears
Side in plate (B33) movement locus is provided with detection baffle plate (B33) position so as to detect whether two hopper doors (B32) close completely
The optoelectronic switch (B34) of conjunction；Drive two hopper doors (B32) to open and close respectively two are additionally provided with the two-way hopper (B3)
Correspondence reducing motor (B31).
3. a kind of automatic weighing-batching system according to claim 1, it is characterised in that：The guiding groove (C) includes connecing
Material guiding gutter (C1) and reclaim guiding gutter (C2), the entrance of the splicing guiding gutter (C1) correspondingly two-way hopper (B3) one of them
Hopper door (B32) is exported, and another hopper door (B32) of the entrance two-way hopper (B3) of correspondence for reclaiming guiding gutter (C2) goes out
Mouthful.
4. a kind of automatic weighing-batching system according to claim 3, it is characterised in that：The material collecting device (D)
Also include reclaiming magazine (D2), the splicing container (D1) is located at the underface of the splicing guiding gutter (C1) outlet, described go back to
Rewinding box (D2) is located at the underface of recovery guiding gutter (C2) outlet.
5. a kind of automatic weighing-batching system according to claim 1, it is characterised in that：Control display part (E) bag
Include touching display screen (E1), the circuit board below touching display screen (E1) and control module, the touching display screen (E1)
For setting and showing weighing parameter, the control module connection on circuit boards, the control module respectively with feeding portion
(A), weighing portion (B) and transmitting device (D3) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621174781.7U CN206269905U (en) | 2016-10-27 | 2016-10-27 | A kind of automatic weighing-batching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621174781.7U CN206269905U (en) | 2016-10-27 | 2016-10-27 | A kind of automatic weighing-batching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206269905U true CN206269905U (en) | 2017-06-20 |
Family
ID=59037824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621174781.7U Expired - Fee Related CN206269905U (en) | 2016-10-27 | 2016-10-27 | A kind of automatic weighing-batching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206269905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644013A (en) * | 2016-10-27 | 2017-05-10 | 中科院（合肥）技术创新工程院有限公司 | Automatic weighing and material preparing system and control method thereof |
| CN109292158A (en) * | 2018-11-27 | 2019-02-01 | 嘉兴锐固五金制品有限公司 | A kind of bolt automatic packaging machine |
| CN113739883A (en) * | 2021-10-15 | 2021-12-03 | 江苏金旺智能科技有限公司 | Automatic quantitative grain dosing device |
-
2016
- 2016-10-27 CN CN201621174781.7U patent/CN206269905U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644013A (en) * | 2016-10-27 | 2017-05-10 | 中科院（合肥）技术创新工程院有限公司 | Automatic weighing and material preparing system and control method thereof |
| CN106644013B (en) * | 2016-10-27 | 2023-06-20 | 中科院（合肥）技术创新工程院有限公司 | Automatic weighing and batching system and control method |
| CN109292158A (en) * | 2018-11-27 | 2019-02-01 | 嘉兴锐固五金制品有限公司 | A kind of bolt automatic packaging machine |
| CN113739883A (en) * | 2021-10-15 | 2021-12-03 | 江苏金旺智能科技有限公司 | Automatic quantitative grain dosing device |
| CN113739883B (en) * | 2021-10-15 | 2024-02-09 | 江苏金旺智能科技有限公司 | Automatic quantitative grain setting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20171027 |