CN105466533B - Multi-station weighing machine and method - Google Patents
Multi-station weighing machine and method Download PDFInfo
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- CN105466533B CN105466533B CN201510636085.7A CN201510636085A CN105466533B CN 105466533 B CN105466533 B CN 105466533B CN 201510636085 A CN201510636085 A CN 201510636085A CN 105466533 B CN105466533 B CN 105466533B
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/32—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using two or more weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/34—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them with electrical control means
- G01G19/346—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them with electrical control means involving comparison with a reference value
Abstract
The invention discloses multi-station weighing machine and method, the multi-station weighing machine is equipped with feed device group, conveying device, material metage container group and control system；Feed device group is equipped at least two feed devices, and each feed device is equipped with feeding mouth and discharge port；Conveying device is equipped with several feed stations conveyed successively along discharge port arragement direction；Material metage container group is made of several material metage containers, and each material metage container is corresponding to be mounted in a feed station；The sensor group that control system is equipped with control module and is electrically connected with control module, the control module are electrically connected at feed device group and conveying device.The present invention have many advantages, such as to weigh speed is fast, weighing precision is high, not flash, it is small, at low cost, easy to operate, simple in structure, safeguard it is simple.
Description
Technical field
The present invention relates to multi-station weighing machine and methods.
Background technology
Brake block manufacturing, friction material mix for multiple material, that is, have the molecule easily flown upward, and have than great
Minerals, also fiber and resin material.Therefore, friction material is a kind of poor fluidity, compresses bigger, apparent gravity difference
Larger mixing material.The weight of friction material on unified, stable brake block is to restrict one of brake block product qualitative factor.
The industry weighed to friction material in the past, takes and is manually carried out on electronic scale job platform.This operation mould
Formula, quality is limited by the operation habit and phychology of operator, simultaneously as the dust caused by operation, duty is brought to operator
The security risk of industry disease.Realize automatic weighting feeding, the work pattern that replacement is manually weighed is always each manufacturing enterprise and special
The theme that industry Automation Co., Ltd explores, discusses.
According to the physical property of brake block friction side ball material, professional Automation Co., Ltd each at present mainly takes variable-frequency motor to drive
Screw feeding passes through controller（PLC or industrial personal computer）Closed-loop control is formed with weighing sensor.
The automatic weighting feeder that each professional Automation Co., Ltd provides currently on the market, either single screw rod structure, also
It is double-screw structure or small one and large one double-screw structure, all can not ideally solving weighing precision and rate of feeding, this is mutual
The technical bottleneck mutually restricted：Rate of feeding is fast, does not just have weighing precision；There is the precision weighed, just the not no speed of feeding,
Simultaneously in screw rod nozzle, there is also the bad scenes of flash and material leakage.
In real operation, in order to ensure the quality of brake（It weighs uniformly）, operator often weighs feeder automatically
Friction material is provided, operator again by the material cup equipped with material be placed on electronic scale stoning claim it is real, by material mixing cup plus, material reducing
To implement the requirement of production quality.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of multi-station weighing machine and side
Method, have weigh speed is fast, weighing precision is high, not flash, it is small, at low cost, easy to operate, simple in structure, safeguard it is simple
The advantages that.
The technical solution adopted in the present invention is：Multi-station weighing machine, is equipped with：
Feed device group, is equipped at least two feed devices, and each feed device is equipped with feeding mouth and discharge port；
Conveying device is set to below discharge port, and it is equipped with what several were conveyed successively along discharge port arragement direction
Feed station；
Material metage container group is made of several material metage containers, the corresponding installation of each material metage container
In a feed station；
Control system, the sensor group for being equipped with control module and being electrically connected with control module, the control module are equal
It is electrically connected at feed device group and conveying device, the sensor group is made of at least two weighing sensors, and each title
Retransmit sensor be fixedly connected with conveying device, each sensor with the material metage container bottom of corresponding discharge port lower position
Portion is in contact.
Further, the feed device is Worm type feed device, and the Worm type feed device is equipped with and control module
It the driving motor of electric connection, the worm screw being sequentially connected with driving motor and is fixedly connected and is set in outside worm screw with driving motor
The feed cylinder in portion；Feeding mouth is set to feed cylinder one end, and discharge port is set to the feed cylinder other end；The feeding mouth, feed cylinder and go out
Barrel cooperatively forms feeding passage.
Preferably, the driving motor is stepper motor；Pore size is from one end toward the other end inside the feed cylinder
Deng big.
As preferably, the discharge outlet is equipped with guide bend pipe, which is fixedly connected with discharge port,
Guide bend pipe another port is towards material metage container.
As most having choosing, the feed device to further include having hopper, the feed hopper bottom is equipped with several feed openings；Each
Feeding mouth is corresponding to be mounted at a feed opening；The hopper is equipped with agitating device, and the agitating device is equipped with and is mounted on
Stirring blade inside hopper and the stirring motor with stirring blade drive connection, the stirring motor are fixedly connected with hopper；It is described
If stirring blade is equipped with hinged shaft and dry plate permutation is distributed in the blade on hinged shaft, the hinged shaft both ends are respectively by being arranged bearing and material
Struggle against both ends connection.
The conveying device be indexing disc type delivery device either the conveying device be chain-type conveying device or
The conveying device is synchronous belt type conveying device.
Further, it is described indexing disc type delivery device be equipped with fixed plate, mounted on fixed plate rotary drive motor and with
The turntable that rotary drive motor output shaft is sequentially connected；Feed station is perforation structure, and feed station circle permutation is distributed in
On turntable, material metage container is set in perforation structure；Above each sensor by be arranged a support supporting plate with it is right
The material metage container bottom of position is answered to be in contact.
Further, the support supporting plate is to support supporting plate or the support supporting plate for by moulding made of metal material
Supporting plate is supported made of glue material；Material metage container lower end outer profile is in the taper cone pulley gradually amplified from bottom to top
It is wide.Preferably, the support supporting plate is to support supporting plate made of aluminum alloy materials.
Preferably, the spacing of the station is equal with the spacing of two neighboring discharge port；The feed device group is by three
The feed device group of a feed device composition, respectively the first feed device, the second feed device and third feed device；It is described
Sensor group is made of three sensors, the first weighing sensor respectively corresponding with the first feed device position, with the
Corresponding second weighing sensor in two feed device positions and third weighing and sensing corresponding with third feed device position
Device.
The method of multi-station weighing machine comprising following steps：
A, control system control conveying device is run, and control system control is defeated after the distance of one station of conveying device stepping
It send device to stop, realizing the purpose that material metage container is transmitted to next station position；
B, control system receives the signal from sensor group, and carries out internal analysis judgement according to signal, obtains two classes
As a result, respectively feed device corresponding position has material metage container and feed device corresponding position not to have material metage container,
Control system controls the feed device positive direction rotary unloading for having material metage container opposite position, while control system controls
There is no the feed device negative direction rotary material collecting of material metage container opposite position or stops rotating；
C, control system persistently receives the signal from sensor group, and carries out internal analysis judgement according to signal, obtains
Two classes are as a result, respectively the increased weight of material metage container reaches preset value and the increased weight of material metage container does not reach
To preset value, control system control material weighing container increase weight reaches the corresponding feed device of preset value and carries out reversion receipts
Material, while control system control material weighing container increases weight and does not reach under the corresponding feed device holding rotating forward of preset value
Expect work；
D, control system persistently receives the signal from sensor group, and carries out internal analysis judgement according to signal, when
Go out material metage container increased weight that result is all feed device corresponding positions when reaching preset value, control system control
All feed devices are made to keep reversion rewinding or stop rotating；
E, control system control conveying device operation, control system controls after the distance of one station of conveying device stepping
Conveying device stops.
The beneficial effects of the invention are as follows：Three feed devices realize that classification is weighed, and first progress is preliminary slightly to weigh, then smart
It weighs, finally realizes that superfinishing is weighed, being weighed by multistage realizes the purpose of precise weighing, while in such a way that multistage is weighed
The time weighed is shortened, speed of weighing is improved；The mesh that material metage container realizes self-feeding is conveyed by conveying device
, improve speed of weighing；Control system is constantly fed back to by sensor group and realizes constantly regulate blanking velocity, reaches superfinishing
The purpose that standard is weighed；By supporting supporting plate to realize the uniform stressed of material metage container, realizing reduces weighting error, and raising is weighed
Precision；Feed device is controlled by control system and inverts rewinding, avoids flash phenomena.
Description of the drawings
Fig. 1 is the structural schematic diagram of multi-station weighing machine of the present invention；
Fig. 2 is another schematic diagram of structure of multi-station weighing machine of the present invention；
Fig. 3 is the electronic control principle block diagram of multi-station weighing machine of the present invention；
Fig. 4 is the method and step flow diagram of multi-station weighing machine of the present invention.
Specific implementation mode
As shown in Figures 1 to 4, multi-station weighing machine of the present invention, is equipped with：
Feed device group 1, is equipped at least two feed devices, and each feed device is equipped with feeding mouth and discharge port；
Conveying device 2 is set to below discharge port, and it is equipped with what several were conveyed successively along discharge port arragement direction
Feed station；
Material metage container group is made of several material metage containers 3, the corresponding peace of each material metage container 3
In a feed station；
Control system, the sensor group 4 for being equipped with control module and being electrically connected with control module, the control module are equal
It is electrically connected at feed device group 1 and conveying device 2, the sensor group 4 is made of at least two weighing sensors, and each
Weighing sensor is fixedly connected with conveying device 2, and each sensor holds with the material metage of corresponding discharge port lower position
3 bottom connection of device touches.
Further, the feed device is Worm type feed device, and the Worm type feed device is equipped with and control module
It the driving motor of electric connection, the worm screw being sequentially connected with driving motor and is fixedly connected and is set in outside worm screw with driving motor
The feed cylinder in portion；Feeding mouth is set to feed cylinder one end, and discharge port is set to the feed cylinder other end；The feeding mouth, feed cylinder and go out
Barrel cooperatively forms feeding passage.
Preferably, the driving motor is stepper motor；Pore size is from one end toward the other end inside the feed cylinder
Deng big.
As preferably, the discharge outlet is equipped with guide bend pipe, which is fixedly connected with discharge port,
Guide bend pipe another port is towards material metage container 3.
As most having choosing, the feed device to further include having hopper 14,14 bottom of the hopper is equipped with several feed openings；
Each feeding mouth is corresponding to be mounted at a feed opening；The hopper 14 is equipped with agitating device, and the agitating device is equipped with
Stirring blade 15 inside hopper and the stirring motor with the drive connection of stirring blade 15, the stirring motor are solid with hopper 14
Fixed connection；If the stirring blade 15 is equipped with hinged shaft and dry plate permutation is distributed in the blade on hinged shaft, the hinged shaft both ends lead to respectively
Setting bearing is crossed to connect with 14 both ends of hopper.
The conveying device 2 be indexing disc type delivery device either the conveying device be chain-type conveying device or
The conveying device is synchronous belt type conveying device.
Further, the indexing disc type delivery device is equipped with fixed plate 22, mounted on the rotary drive motor of fixed plate 22
21 and with 21 output shaft of rotary drive motor be sequentially connected turntable 23；Feed station is perforation structure, and feed station is round
Permutation is distributed on turntable 23, and material metage container 3 is set in perforation structure；By being arranged one above each sensor
Supporting plate 5 and 3 bottom connection of material metage container of corresponding position is supported to touch.
Further, the support supporting plate 5 is that support supporting plate made of metal or the support supporting plate 5 are served as reasons
Supporting plate is supported made of plastic material；3 lower end outer profile of the material metage container is in the taper gradually amplified from bottom to top
Profile.Preferably, the support supporting plate 5 is to support supporting plate made of aluminum alloy materials.
The method of multi-station weighing machine comprising following steps：
A, control system control conveying device is run, and control system controls after the distance of 2 one station of stepping of conveying device
Conveying device 2 stops, and realizes the purpose that material metage container 3 is transmitted to next station position；
B, control system receives the signal from sensor group 4, and carries out internal analysis judgement according to signal, obtains two classes
As a result, respectively feed device corresponding position has material metage container and feed device corresponding position not to have material metage container,
Control system controls the feed device positive direction rotary unloading for having 3 opposite position of material metage container, while control system control
It makes the feed device negative direction rotary material collecting of no 3 opposite position of material metage container or stops rotating；
C, control system persistently receives the signal from sensor group 4, and carries out internal analysis judgement according to signal, obtains
Two classes are as a result, respectively the increased weight of material metage container reaches preset value and the increased weight of material metage container does not reach
To preset value, the increase of control system control material weighing container 3 weight reaches the corresponding feed device of preset value and carries out reversion receipts
Material, while control system control material weighing container 3 increases weight and does not reach the corresponding feed device holding rotating forward of preset value
Blanking work；
D, control system persistently receives the signal from sensor group 4, and carries out internal analysis judgement according to signal, when
Go out material metage container increased weight that result is all feed device corresponding positions when reaching preset value, control system control
All feed devices are made to keep reversion rewinding or stop rotating；
E, control system control conveying device operation, control system controls after the distance of one station of conveying device stepping
Conveying device stops.
Embodiment one
Feed device group 1 is made of two feed devices, and conveying device is set to below feed device, and sensor group 4 is by two
A weighing sensor composition, each weighing sensor are set to below a corresponding feed device, and each weighing sensor is respectively mounted
In the fixed plate 22 of conveying device 2.When 2 stepping of conveying device, one station apart from when, can be there are one material metage
Container 3 is set on a weighing sensor, and support supporting plate 5 uniformly transfers the gravity of material metage container 3 to weighing sensor
On；Control system can analyze whether top has material metage container 3 and increase by monitoring the weight on weighing sensor
Weight whether reach preset value；When first material metage container 3 is transported to below first 11 discharge port of feed device
When, control system controls first feed device 11 and rotates forward blanking, when control system is supervised by first weighing sensor
When measuring cutting stock weight and reaching preset value, control system controls first feed device and inverts rewinding, prevents flash phenomena,
Then control system control conveying device continues to stop after one station distance of stepping, and second feed device is to just being conveyed
The material metage container 3 to come over carries out rotating forward blanking, when control system detects cutting stock weight by second weighing sensor
When reaching preset value, control system controls second feed device and inverts rewinding, prevents flash phenomena, rule is to every successively
Material metage container in one feed station is weighed.
Embodiment two
Feed device group is made of three feed devices, respectively the first feed device 11, the second feed device 12 and
Three feed devices 13, conveying device 2 are set to below feed device, and sensor group 4 is made of two weighing sensors, and respectively the
Two weighing sensors 42 and third weighing sensor 43, the second weighing sensor 42 are set to 12 lower section of corresponding second feed device,
Third weighing sensor 43 is set to corresponding 13 lower section of third feed device, and each weighing sensor is installed in conveying device 2
In fixed plate 22.When 2 stepping of conveying device, one station apart from when, can there are one material metage container 3 be set to one
On weighing sensor, support supporting plate 5 uniformly transfers the gravity of material metage container 3 to weighing sensor；Control system is logical
The weight crossed on monitoring weighing sensor can analyze whether top has whether material metage container 3 and increased weight reach
Preset value；When first material metage container 3 is transported to below 11 discharge port of the first feed device, control system control
It makes the first feed device 11 and rotates forward blanking, when the first feed device 11 has rotated default circle to control system after preset time
Number, control system control the first feed device 11 and invert rewinding, prevent flash phenomena, then control system control conveying dress
Set and stop after 2 continuation stepping, one station distance, the second feed device 12 to be just conveyed through the material metage container 3 come into
Row rotates forward blanking, when control system detects that cutting stock weight reaches preset value by the second weighing sensor 42, control system
The reversion rewinding of the second feed device 12 is controlled, prevents flash phenomena, control system control conveying device 2 from continuing progress one
Stop after station distance, third feed device 13 rotates forward blanking, when control system is detected by third weighing sensor 43
When the increase of material metage container 3 weight reaches preset value, control system controls third feed device 13 and inverts rewinding, prevents flash
Phenomenon occurs, and rule weighs to the material metage container 3 in each feed station successively.
Embodiment three
The feed device group that the feed device group 1 is made of three feed devices, respectively the first feed device 11,
Two feed devices 12 and third feed device 13；The sensor group 4 is made of three sensors, is respectively filled with the first feeding
Set corresponding first weighing sensor in 11 positions, the second weighing sensor 42 corresponding with 12 position of the second feed device and
Third weighing sensor corresponding with 13 position of third feed device 43.Control system controls 2 compartment stepping of conveying device
One station distance, when material metage container 3 is transported to 11 discharge port lower position of the first feed device, control system control
It makes the first feed device 11 and rotates forward blanking, control system is increased heavy by the first weighing sensor detection material weighing container 3
Amount is slightly weighed when material metage container 3 increases to realize when weight achievees the purpose that preset value, and control system controls the first feeding
Device 11 inverts rewinding, prevents flash phenomena, stops work after 2 stepping of control system control conveying device, one station distance
Make, the second feed device 12 carries out rotating forward blanking to being just conveyed through the material metage container 3 come, and control system claims by second
The 3 increased weight of weight and material metage container that sensor 42 detects 12 blanking of the second feed device is retransmitted, when material metage holds
When weight gain inside device 3 reaches preset value, control system controls the reversion rewinding of the second feed device 12 and realizes that essence is weighed
Purpose, prevent flash phenomena, stop after 2 stepping of control system control conveying device, one station distance, control system
It controls third feed device 13 to rotate forward to the progress blanking of material metage container 3, control system passes through third weighing sensor 43 and examines
The increased weight of material is surveyed, when value added reaches preset value, control system controls third feed device 13 and inverts rewinding realization
Superfinishing is weighed.
The beneficial effects of the invention are as follows：Three feed devices realize that classification is weighed, and first progress is preliminary slightly to weigh, then smart
It weighs, finally realizes that superfinishing is weighed, being weighed by multistage realizes the purpose of precise weighing, while in such a way that multistage is weighed
The time weighed is shortened, speed of weighing is improved；The mesh that material metage container realizes self-feeding is conveyed by conveying device
, improve speed of weighing；Control system is constantly fed back to by sensor group and realizes constantly regulate blanking velocity, reaches superfinishing
The purpose that standard is weighed；By supporting supporting plate to realize the uniform stressed of material metage container, realizing reduces weighting error, and raising is weighed
Precision.
Claims (9)
1. multi-station weighing machine, it is characterised in that be equipped with：
Feed device group（1）, at least two feed devices are equipped with, each feed device is equipped with feeding mouth and discharge port；
Conveying device（2）, be set to discharge port below, and its conveyed successively along discharge port arragement direction equipped with several it is defeated
Send station；
Material metage container group, by several material metage containers（3）Composition, each material metage container（3）Corresponding peace
In a feed station；
Control system, the sensor group for being equipped with control module and being electrically connected with control module, the control module are electrical
It is connected to feed device group (1) and conveying device (2), the sensor group (4) is made of at least two weighing sensors, and every
A weighing sensor is fixedly connected with conveying device (2), and each sensor claims with the material of corresponding discharge port lower position
Weight container（3）Bottom connection touches, the feed device（1）For Worm type feed device, the Worm type feed device be equipped with
The driving motor of control module electric connection is fixedly connected and is arranged with the worm screw of driving motor drive connection and with driving motor
Feed cylinder outside worm screw；Feeding mouth is set to feed cylinder one end, and discharge port is set to the feed cylinder other end；The feeding mouth is sent
Barrel and discharge barrel cooperatively form feeding passage.
2. multi-station weighing machine according to claim 1, it is characterised in that：The driving motor is stepper motor；It is described
Pore size is big from one end toward other end etc. inside feed cylinder.
3. multi-station weighing machine according to claim 1, it is characterised in that：The discharge outlet is equipped with guide bend pipe,
The guide bend pipe one end is fixedly connected with discharge port, and guide bend pipe another port is towards material metage container（3）.
4. multi-station weighing machine according to claim 1, it is characterised in that：The feed device further includes having hopper
（14）, the hopper（14）Bottom is equipped with several feed openings；Each feeding mouth is corresponding to be mounted at a feed opening；It is described
Hopper is equipped with agitating device, and the agitating device is equipped with the stirring blade being mounted on inside hopper（15）And and stirring blade（15）It passes
The stirring motor of dynamic connection, the stirring motor and hopper（14）It is fixedly connected；The stirring blade（15）Equipped with hinged shaft and several
Piece permutation is distributed in the blade on hinged shaft, and the hinged shaft both ends are connect by the way that bearing is arranged with hopper both ends respectively.
5. multi-station weighing machine according to claim 1, it is characterised in that：The conveying device（2）It is defeated for indexing disc type
Send device（2）Either the conveying device is chain-type conveying device or the conveying device is synchronous belt type conveying dress
It sets.
6. multi-station weighing machine according to claim 5, it is characterised in that：The indexing disc type delivery device（2）It is equipped with
Fixed plate（22）, be mounted on fixed plate（22）Rotary drive motor（21）And and rotary drive motor（21）Output shaft transmission connects
The turntable connect（23）；Feed station is perforation structure, and feed station circle permutation is distributed in turntable（23）On, material metage holds
Device（3）It is set in perforation structure；By the way that a support supporting plate is arranged above each sensor（5）With the material of corresponding position
Weighing container（3）Bottom connection touches.
7. multi-station weighing machine according to claim 6, it is characterised in that：The support supporting plate（5）For by metal material
Manufactured support supporting plate or the support supporting plate（5）To support supporting plate made of plastic material；The material metage container
（3）Lower end outer profile is in the tapered profiles gradually amplified from bottom to top.
8. multi-station weighing machine according to claim 1, it is characterised in that：The spacing of the station and two neighboring discharging
The spacing of mouth is equal；The feed device group（1）The feed device group being made of three feed devices, respectively the first feeding fill
It sets（11）, the second feed device（12）And third feed device（13）；The sensor group（4）It is made of three sensors, point
It Wei not be with the first feed device（11）Corresponding first weighing sensor in position and the second feed device（12）Position is corresponding
The second weighing sensor 42）And with third feed device（13）The corresponding third weighing sensor in position（43）.
9. a kind of method of multi-station weighing machine as described in claim 1 to 8 any one, it is characterised in that including following step
Suddenly：
A, control system control conveying device (2) is run, and control system controls after the distance of conveying device (2) one station of stepping
Conveying device (2) stops, and realizes the purpose that material metage container (3) is transmitted to next station position；
B, control system receives the signal from sensor group (4), and carries out internal analysis judgement according to signal, obtains two class knots
Fruit, respectively feed device corresponding position have material metage container and feed device corresponding position does not have material metage container, control
System control processed has material metage container（3）The feed device positive direction rotary unloading of opposite position, while control system control
System does not have material metage container（3）The feed device negative direction rotary material collecting of opposite position stops rotating；
C, control system persistently receives the signal from sensor group, and carries out internal analysis judgement according to signal, obtains two classes
As a result, respectively the increased weight of material metage container reaches preset value and the increased weight of material metage container does not reach pre-
If value, control system control material weighing container（3）Increase weight reaches the corresponding feed device of preset value and carries out reversion rewinding,
Control system control material weighing container simultaneously（3）Increase weight not reaching under the corresponding feed device holding rotating forward of preset value
Expect work；
D, control system, which persistently receives, comes from sensor group（4）Signal, and internal analysis judgement is carried out according to signal, when obtaining
As a result it is the material metage container of all feed device corresponding positions（3）When increased weight reaches preset value, control system
All feed devices are controlled to keep reversion rewinding or stop rotating；
E, control system control conveying device operation, the control system control conveying after distance of one station of conveying device stepping
Device stops.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510636085.7A CN105466533B (en) | 2015-09-30 | 2015-09-30 | Multi-station weighing machine and method |
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|---|---|---|---|
| CN201510636085.7A CN105466533B (en) | 2015-09-30 | 2015-09-30 | Multi-station weighing machine and method |
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| CN105466533A CN105466533A (en) | 2016-04-06 |
| CN105466533B true CN105466533B (en) | 2018-08-21 |
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| CN203893757U (en) * | 2014-05-12 | 2014-10-22 | 唐山学院 | Mixing and weighing system of automatic fireworks production line |
| CN104655250A (en) * | 2015-02-25 | 2015-05-27 | 成都瑞途电子有限公司 | Extruding feeding type batching scale provided with multiple feeding channels |
| CN104931122A (en) * | 2014-03-19 | 2015-09-23 | 湖北赤壁赛飞摩擦材料有限公司 | Multi-bucket electronic automatic combined weighing device for brake pad friction material |
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| CN101113924A (en) * | 2006-12-31 | 2008-01-30 | 三一重工股份有限公司 | Fine material weighing measurement method and device thereof |
| CN203376045U (en) * | 2013-04-29 | 2014-01-01 | 深圳市木森科技有限公司 | Raw material weighing structure for firework explosion powder |
| CN104931122A (en) * | 2014-03-19 | 2015-09-23 | 湖北赤壁赛飞摩擦材料有限公司 | Multi-bucket electronic automatic combined weighing device for brake pad friction material |
| CN203893757U (en) * | 2014-05-12 | 2014-10-22 | 唐山学院 | Mixing and weighing system of automatic fireworks production line |
| CN103968924A (en) * | 2014-05-28 | 2014-08-06 | 重庆大学 | Multistage-control-based batching weighing control method |
| CN104655250A (en) * | 2015-02-25 | 2015-05-27 | 成都瑞途电子有限公司 | Extruding feeding type batching scale provided with multiple feeding channels |
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| CN105466533A (en) | 2016-04-06 |
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Address after: 519110 No.6, Longshan 3rd road, Longshan Industrial Zone, Doumen Town, Doumen District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Greely friction material Co.,Ltd. Address before: 519041 No.6, Longshan 3rd road, Longshan Industrial Park, Doumen District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI GLORY FRICTION MATERIAL Co.,Ltd. |
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