CN209495759U - A kind of propellant powder Weighing system - Google Patents
A kind of propellant powder Weighing system Download PDFInfo
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- CN209495759U CN209495759U CN201920313605.4U CN201920313605U CN209495759U CN 209495759 U CN209495759 U CN 209495759U CN 201920313605 U CN201920313605 U CN 201920313605U CN 209495759 U CN209495759 U CN 209495759U
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- upper layer
- bottom plate
- transmission tube
- layer bottom
- mounting base
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Abstract
The utility model discloses a kind of propellant powder Weighing systems, including mounting base, the pillar being arranged on mounting base, the upper layer bottom plate being mounted on pillar, material circulating direction is provided with the feed hopper being sequentially communicated on the upper layer bottom plate, is rotatably installed on the bottom plate of upper layer and is used for transmission the transmission tube and lower hopper of explosive, the outlet of the lower hopper is beyond the range where the bottom plate of upper layer, the Weighing module being provided with below lower hopper on the mounting base is provided with the material cup positioned at lower hopper outlet lower section on the Weighing module；The transmission tube driving structure for driving transmission tube to rotate is provided on the upper layer bottom plate.The beneficial effects of the utility model are: the utility model can be realized the control to the amount of explosive, it is advantageously implemented automation dosing, improve the degree of automation during dosing, reduce human error and the labor intensity of staff, and it is advantageously implemented the amount of accurate control dosing, improves the precision of dosing.
Description
Technical field
The utility model relates to Charge field, specifically a kind of propellant powder Weighing system.
Background technique
Currently, the charging means in explosive wastewater, priming system and civilian harmful influence industry mostly use greatly hand stock, balance meter
The traditional mode of production mode of amount, product weight stability produces, production efficiency is low, the degree of automation bottom, it is artificial directly and medicament
Contact, can not accomplish man-machine isolation, there are larger security risks.Weighing control relies on artificial experience, homogeneity of product is poor,
Cause the cost of batch production high, efficient production capacity can not be formed, seriously constrain the development of industry.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of propellant powder Weighing system, for realizing automatic
Dosing process is controlled, the precision of dosing is improved, avoids that staff contacts with explosive and there are security risks.
The technical scheme in the invention for solving the above technical problem is: a kind of propellant powder Weighing system, including installation
Bottom plate, the pillar being arranged on mounting base, the upper layer bottom plate being mounted on pillar, according to material stream on the upper layer bottom plate
The transmission tube and blanking that logical direction is provided with the feed hopper being sequentially communicated, is rotatably installed on the bottom plate of upper layer and is used for transmission explosive
Bucket, the outlet of the lower hopper exceed the range where the bottom plate of upper layer, are provided on the mounting base positioned at lower hopper
The Weighing module of lower section is provided with the material cup positioned at lower hopper outlet lower section on the Weighing module；The upper layer bottom plate
On be provided with for drive transmission tube rotate transmission tube driving structure.
Beneficial effect acquired by this programme is: this programme drives transmission tube rotation will be by transmission tube driving structure
Explosive in hopper is delivered at lower hopper and drops into material cup, and the function of quantitative loading is realized with this, is driven by control
It the output of pipe driving structure power and can be realized control to the amount of explosive, be advantageously implemented automation dosing, improve dosing
The degree of automation in the process reduces human error and the labor intensity of staff, and is advantageously implemented accurate control
The amount of dosing improves the precision of dosing.
Further, in order to preferably realize that the utility model, the transmission tube are arranged in one end of lower hopper
There is helical blade.
It is using beneficial effect acquired by above-mentioned further technical solution: can be improved dosing using helical blade
Precision.
Further, in order to preferably realize that the utility model, the transmission tube are extended into close to one end of feed hopper
Inside hopper, and transmission tube is close to one end bias cut of feed hopper.
Using beneficial effect acquired by above-mentioned further technical solution is: being convenient for this quickly will be fried in feed hopper
Medicine is sent into transmission tube, is conducive to improve working efficiency.
Further, in order to preferably realize the utility model, the length-to-diameter of the transmission tube be greater than or
Equal to 13:1.
Using beneficial effect acquired by above-mentioned further technical solution is: with this be conducive to improve dosing efficiency and
Precision.
Further, in order to preferably realize that the utility model, the transmission tube are made of copper material.
Using beneficial effect acquired by above-mentioned further technical solution is: it is quiet to can be avoided transmission tube generation with this
Electricity avoids explosive from burning, explode under the action of electrostatic.
Further, in order to preferably realize the utility model, the upper layer bottom plate is rotatably installed on pillar, described
Mounting base on be provided with backplane drive structure for driving upper layer bottom plate to rotate, the length direction of the transmission tube hangs down
Directly in the rotation center of upper layer bottom plate.
Using beneficial effect acquired by above-mentioned further technical solution is: can be according to the free-running property tune of explosive with this
The angle of whole transmission tube, to be applicable in the explosive of different free-running properties.
Further, in order to preferably realize the utility model, the backplane drive structure includes setting at installation bottom
Guide holder on plate, the adjusting bolt being rotatably installed on guide holder, be slidably mounted on guide holder and with adjust bolt thread
The axis of the sliding seat of connection, the respectively movable support rod hinged with sliding seat and upper layer bottom plate, the adjusting bolt is vertical
In the rotation center of upper layer bottom plate, the rotation center of the hinge joint of the movable support rod is parallel in the rotation of upper layer bottom plate
The heart.
Further, in order to preferably realize the utility model, feed bin is communicated with above the feed hopper, under feed hopper
Side is communicated with clout bucket.
It is using beneficial effect acquired by above-mentioned further technical solution: can be collected in feed hopper using clout bucket
Remaining explosive is cleared up convenient for the later period.
Further, it in order to preferably realize the utility model, is provided on the mounting base and is used to support weighing
The support plate of module is provided with isolation cushion between the support plate and mounting base.
It is using beneficial effect acquired by above-mentioned further technical solution: weighing mould can be raised using support plate
Block, reduce material cup and lower hopper spacing, avoid explosive from lower hopper drop out during vibrated or wind-force influence and spread
Leakage.
Further, in order to preferably realize the utility model, the transmission tube driving structure includes being arranged on upper layer
The belt system of motor and be sequentially connected motor output shaft and transmission tube on bottom plate, sets between the motor and upper layer bottom plate
It is equipped with motor isolation cushion.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of this programme；
Fig. 2 is the front sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of backplane drive structure.
Wherein: 1- mounting base, 2- strip hole, the upper layer 3- bottom plate, 4- pillar, 5- support plate, 51- isolation cushion, 6- weighing
Module, 7- material cup, 8- lower hopper, 9- motor isolation cushion, 10- belt system, 11- motor, 12- transmission tube, 121- helical blade,
122- anchor ear, 13- feed bin, 14- feed hopper, 15- clout bucket, 16- adjust bolt, 161- sliding seat, 17- guide holder, 18- activity
Support rod, 19- vibration damping foot.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the reality of the utility model
It is without being limited thereto to apply mode.
Embodiment 1:
In the present embodiment as shown in Figure 1, Figure 2, a kind of propellant powder Weighing system, including mounting base 1, setting are in mounting base 1
On pillar 4, the upper layer bottom plate 3 that is mounted on pillar 4, on the upper layer bottom plate 3 according to material circulating direction be provided with according to
The feed hopper 14 of secondary connection, the transmission tube 12 for being rotatably installed on upper layer bottom plate 3 and being used for transmission explosive and lower hopper 8, it is described
Lower hopper 8 outlet beyond the range where upper layer bottom plate 3, lower hopper 8 goes out mouth down setting, the mounting base 1
On be provided with the Weighing module 6 positioned at the lower section of lower hopper 8, be provided on the Weighing module 6 and export lower section positioned at lower hopper 8
Material cup 7；The transmission tube driving structure for driving transmission tube 12 to rotate is provided on the upper layer bottom plate 3.
Explosive is continuously fed in feed hopper 14, it can be the stream of explosive that transmission tube driving structure, which drives the rotation of transmission tube 12,
Dynamic to provide power, explosive sequentially passes through feed hopper 14, transmission tube 12 and lower hopper 8 and circulates, then from the outlet of lower hopper 8 into
Enter into the material cup 7 of 6 top of Weighing module, Weighing module 6 weighs the quality of explosive in material cup 7.Weighed weight reaches requirement
When, transmission tube driving structure stops conveying power, and transmission tube 12 stops operating, and can take material cup away at this time.
It can be realized the movement of dosing using transmission tube 12, and transmission tube driving structure can be connected with controller
It connects, can be realized the function of remotely controlling using controller, make operator far from the region with risk of explosion, improve and add
The degree of automation and security performance performance during medicine.And dosing is carried out using mechanical equipment, quality is easy to control,
Be conducive to reduce human error, to improve the quality of dosing and uniformity, the stability of dosing quality.Make Weighing module 6
It connect, the weighed quality sizes of the institute of Real-time Feedback Weighing module 6 and can timely feedback to controller, controller root with controller
Starting, revolving speed or the stopping for adjusting transmission tube 12 by transmission tube driving structure according to the data of Weighing module feedback, also can with this
Enough improve the degree of automation of dosing process.In the present embodiment, the Weighing module 6 uses high-precision Weighing module, with
This can be improved the precision of 6 sense weight of Weighing module variation, be conducive to the quality for improving dosing.It is described in the present embodiment
Weighing module 6 and controller are the common knowledge and customary means of those skilled in the art, and those skilled in the art are according to tool
Body needs to select any one existing high-precision weighing module and controller that said effect, Weighing module 6 can be realized
With the specific structure and working principle of controller also not as the improvement of this programme, asymmetric molality block 6 and controller herein
Specific structure and working principle repeated.
In trandfer fluid class explosive, is rotated since the lasting rotation of transmission tube 12 is also able to drive explosive, avoid frying
Liquid in medicine causes quality of explosive to be unevenly distributed after sinking under the effect of gravity.
Embodiment 2:
On the basis of the above embodiments, in the present embodiment, the transmission tube 12 is arranged in one end of lower hopper 8
There is helical blade 121.The cross-sectional area in 12 exit of transmission tube can be reduced using helical blade 121, so that it is defeated to control explosive
Flow when out in the unit time is reduced the error range of dosing quality, can be improved the precision of dosing with this.And spiral shell is set
Cross-sectional area at vane piece 121 is less than the cross-sectional area in transmission tube 12 at not set helical blade 121, with this transmission tube 12
The speed of interior charging is greater than the speed of discharging, and explosive can be made to fill up transmission tube 12, avoids in transmission tube 12 shadow there are gap
Ring the efficiency of dosing.
In the present embodiment, the helical blade 121 refers to spiral continuous blade, outer diameter and transmission tube
12 internal diameter is identical.In the present embodiment, other contents not described are same as the previously described embodiments, therefore do not repeat.
Embodiment 3:
On the basis of the above embodiments, in the present embodiment, the transmission tube 12 is protruded into close to one end of feed hopper 14
Inside feed hopper 14, and transmission tube 12 is close to one end bias cut of feed hopper 14.By the way that transmission tube 12 is protruded into feed hopper 14
Internal one end bias cut, when transmission tube 12 rotates, explosive quickly can be rolled into transmission by the truncated position of transmission tube 12
In pipe 12, the efficiency of dosing is improved.In the present embodiment, other contents not described are same as the previously described embodiments, therefore do not repeat.
Embodiment 4:
On the basis of the above embodiments, in the present embodiment, the length-to-diameter of the transmission tube 12 be greater than or
Equal to 13:1.The material of the discharging speed of material, the discharging uniformity in optimum state, pipe can be effective under the draw ratio
It is uniformly distributed, is not in clogging.In the present embodiment, other contents not described are same as the previously described embodiments, therefore do not go to live in the household of one's in-laws on getting married
It states.
Embodiment 5:
On the basis of the above embodiments, in the present embodiment, the transmission tube 12 is made of copper material.Transmission made of copper
Pipe 12 can avoid generating electrostatic when in use, so that influence burning or explosion of the explosive by electrostatic are prevented, to improve this
The security performance of scheme.In the present embodiment, other contents not described are same as the previously described embodiments, therefore do not repeat.
Embodiment 6:
On the basis of the above embodiments, in the present embodiment, the upper layer bottom plate 3 is rotatably installed on pillar 4, described
Mounting base 1 on be provided with for drive upper layer bottom plate 3 rotate backplane drive structure, the length side of the transmission tube 12
To the rotation center perpendicular to upper layer bottom plate 3.By being rotatably installed in upper layer bottom plate 3 on pillar 4, can adjust as needed
The angle of transmission tube 12 and horizontal direction.For example, the material good for free-running property, 12 angular adjustment of transmission tube is negative.It is wandering
Property difference material, 12 angular adjustment of transmission tube be positive number.Because of the good material of free-running property, its angle of repose is smaller, during rotation may be used
It realizes quickly discharging, if transmission tube angulation is excessive, material during charging can be made to generate overshoot phenomenon, so that the material of addition
Quantity is greater than quantity actually required and reduces qualification rate.(please note that whether describe herein wrong) and the material of free-running property difference its
Angle of repose is larger, and tube, which is adjusted to positive number, to effectively prevent material to accumulate in pipe, accelerates discharging speed.In the present embodiment,
The content that it is not described is same as the previously described embodiments, therefore does not repeat.
Embodiment 7:
On the basis of as shown in figure 3, in the present embodiment, the backplane drive structure includes being arranged on mounting base 1
Guide holder 17, be rotatably installed on guide holder 17 adjusting bolt 16, be slidably mounted on guide holder 17 and with adjust bolt
16 be threadedly coupled sliding seat 161, respectively with sliding seat 161 and the hinged movable support rod 18 of upper layer bottom plate 3, the adjusting
For the axis of bolt 16 perpendicular to the rotation center of upper layer bottom plate 3, the rotation center of the hinge joint of the movable support rod 18 is flat
Row is in the rotation center of upper layer bottom plate 3.
It can be limited using guide holder 17 and adjust the movement of bolt 16 and the rotation of sliding seat 161, when adjusting bolt 16
When rotation, sliding seat 161 can be driven to move along the axis direction for adjusting bolt 16, since the length of movable support rod 18 is protected
Fixation is held, thus when sliding seat 161 is moved, movable support rod 18 can be pushed, movable support rod 18 is recycled to push
Upper layer bottom plate 3 is rotated around the rotation center of upper layer bottom plate 3, and the function of adjusting 3 angle of upper layer bottom plate is realized with this.Utilize adjusting
Bolt 16 can make sliding seat 161 realize self-locking function with being threadedly coupled for sliding seat 161, additional without using
Locking structure.
The pillar 4 is arranged two, and the movable support rod 18 is arranged one, can be to 3 shape of upper layer bottom plate with this
At stable supported at three point, upper layer bottom plate 3 is avoided to generate the quality for shaking and influencing dosing.It is other not describe in the present embodiment
Content it is same as the previously described embodiments, therefore do not repeat.
Embodiment 8:
On the basis of the above embodiments, in the present embodiment, feed bin 13, feed hopper are communicated with above the feed hopper 14
14 lower sections are communicated with clout bucket 15.The explosive for needing to distribute can be stored by the way that feed bin 13 is arranged, and makes explosive in gravity
It is automatically replenished under effect in feed hopper 14, does not need the work that staff carries out dosing, the safety of safeguard work personnel.It is logical
It crosses to collect after the completion of processing is made using clout bucket 15 and remains in the explosive in feed hopper 14, the lower section of the clout bucket 15
Gate-shaped structure can be set, take out the explosive wherein collected in order to open clout bucket 15.The clout bucket 15 is set
It is calculated as small end cone directed downwardly, small end conical bore directed downwardly is set in clout bucket 15, with this convenient for explosive is come together aggregation, and
It avoids generating dead angle and remaining explosive.Quick Release sealing plate can be also set on the feed hopper 14, in order to by feed hopper 14
It opens or closing, when opening can clear up the inside of feed hopper 14, explosive is avoided to remain and influence subsequent use.This reality
It applies in example, other contents not described are same as the previously described embodiments, therefore do not repeat.
Embodiment 9:
On the basis of the above embodiments, it in the present embodiment, is provided on the mounting base 1 and is used to support weighing mould
The support plate 5 of block 6 is provided with isolation cushion 51 between the support plate 5 and mounting base 1.Title can be raised using support plate 5
Molality block 6 and material cup 7 reduce material cup 7 at a distance from lower hopper 8, avoid the explosive exported from lower hopper 8 in vibration or wind-force
Under the action of spill material cup 7 outside cause waste or increase security risk.Vibration can be completely cut off using isolation cushion 51, prevented
The vibration that generates is transmitted to Weighing module 6 and influences the measurement accuracy of Weighing module 6 when transmission tube driving structure starts.This implementation
In example, other contents not described are same as the previously described embodiments, therefore do not repeat.
Embodiment 10:
On the basis of the above embodiments, in the present embodiment, the transmission tube driving structure includes being arranged at upper layer bottom
The belt system 10 of motor 11 and be sequentially connected motor output shaft and transmission tube 12 on plate 3, the motor 11 and upper layer bottom
Motor isolation cushion 9 is provided between plate 3.
Using the torque of 10 driving motor 11 of belt system output to transmission tube 12, turning for transmission tube 12 can be realized with this
It is dynamic, and absorbing can be played the role of using belt system 10, the vibration for preventing the rotation of motor 11 from generating is transmitted to transmission tube
On 12, so that transmission tube 12 be prevented to be affected by vibrations and reduce the precision of dosing.By motor 11 and upper layer bottom plate 3 it
Between be provided with motor isolation cushion 9 also and can be avoided the vibration of the generation of motor 11 and be transmitted on mounting base 1 and influence Weighing module 6
Measurement accuracy.
Anchor ear 122 can be set on the transmission tube 12, anchor ear 122 is sequentially connected with anchor ear driving structure, using embrace
Hoop driving structure can drive anchor ear 122 to hold or unclamp transmission tube 12 tightly, realized with this using anchor ear 122 and rotated to transmission tube 12
The limitation of function makes this programme have the function of emergency stop.In the present embodiment, the anchor ear 122 and anchor ear driving structure are this
The common knowledge and customary means of field technical staff, herein not the specific structure to anchor ear 122 and anchor ear driving structure and
Working principle is repeated.In the present embodiment, other contents not described are same as the previously described embodiments, therefore do not repeat.
Embodiment 11:
On the basis of the above embodiments, in the present embodiment, several strip holes 2 are provided on the mounting base 1,
Utilize the overall structure easy to carry of strip hole 2.The lower section of the mounting base 1 is provided with several vibration damping feet 19, using subtracting
Vibration foot 19 can completely cut off the vibration of extraneous generation, and the extraneous vibration generated is avoided to be transmitted to Weighing module 6 and influence Weighing module 6
Measurement accuracy.In the present embodiment, other contents not described are same as the previously described embodiments, therefore do not repeat.
Embodiment 12:
On the basis of the above embodiments, in the present embodiment, the transmission tube 12 respectively with 14 movable sealing of feed hopper,
With 8 movable sealing of lower hopper, between avoiding explosive from entering between transmission tube 12 and feed hopper 14 or transmission tube 12 and lower hopper 8
Gap and there are security risks, and introduced contaminants is avoided to enter inside configuration.
Embodiment 13:
On the basis of the above embodiments, in the present embodiment, the transmission tube 12 is designed as bilayer, transmission tube 12 it is outer
Respectively with feed hopper 14,8 movable sealing of lower hopper, the internal layer of transmission tube 12 is sleeved in outer layer and rotates synchronously with outer layer layer,
The internal layer of transmission tube 12 designs a variety of internal diameters, with this according to different dosage demand or explosive shape, selects in difference
The internal layer and outer layer of diameter size cooperate, to meet actual use demand.
It is above-described, it is only the preferred embodiment of the utility model, any form not is made to the utility model
On limitation, according to the technical essence of the utility model, within the spirit and principles of the present invention, to above embodiments institute
Any simple modifications, equivalent substitutions and improvements etc. made, within the protection scope for still falling within technical solutions of the utility model.
Claims (10)
1. a kind of propellant powder Weighing system, it is characterised in that: including mounting base (1), the pillar being arranged on mounting base (1)
(4), the upper layer bottom plate (3) being mounted on pillar (4), on the upper layer bottom plate (3) according to material circulating direction be provided with according to
The feed hopper (14) of secondary connection, the transmission tube (12) for being rotatably installed on upper layer bottom plate (3) and being used for transmission explosive and lower hopper
(8), the outlet of the lower hopper (8) is provided on (1) beyond the range where upper layer bottom plate (3), the mounting base
Weighing module (6) below lower hopper (8) is provided on the Weighing module (6) and exports lower section positioned at lower hopper (8)
Material cup (7)；The transmission tube driving structure for driving transmission tube (12) to rotate is provided on the upper layer bottom plate (3).
2. a kind of propellant powder Weighing system according to claim 1, it is characterised in that: the transmission tube (12) is under
Helical blade (121) are provided in one end of hopper (8).
3. a kind of propellant powder Weighing system according to claim 1, it is characterised in that: the transmission tube (12) close into
Feed hopper (14) inside is protruded into one end of hopper (14), and transmission tube (12) is close to one end bias cut of feed hopper (14).
4. a kind of propellant powder Weighing system according to claim 1, it is characterised in that: the length of the transmission tube (12)
It is greater than or equal to 13:1 with diameter ratio.
5. a kind of propellant powder Weighing system according to claim 1, it is characterised in that: the transmission tube (12) uses copper
Material is made.
6. a kind of according to claim 1, propellant powder Weighing system described in any one of 2,3,4,5, it is characterised in that: described
Upper layer bottom plate (3) is rotatably installed on pillar (4), is provided on the mounting base (1) for driving upper layer bottom plate (3) to turn
Dynamic backplane drive structure, the rotation center of the length direction of the transmission tube (12) perpendicular to upper layer bottom plate (3).
7. a kind of propellant powder Weighing system according to claim 6, it is characterised in that: the backplane drive structure includes
Be arranged on mounting base (1) guide holder (17), be rotatably installed on guide holder (17) adjusting bolt (16), be slidably installed
On guide holder (17) and with adjust bolt (16) be threadedly coupled sliding seat (161), respectively with sliding seat (161) and upper layer bottom
The hinged movable support rod (18) of plate (3), the axis of the adjusting bolt (16) is perpendicular in the rotation of upper layer bottom plate (3)
The rotation center of the heart, the hinge joint of the movable support rod (18) is parallel to the rotation center of upper layer bottom plate (3).
8. a kind of propellant powder Weighing system according to claim 1, it is characterised in that: connect above the feed hopper (14)
It is connected with feed bin (13), is communicated with clout bucket (15) below feed hopper (14).
9. a kind of propellant powder Weighing system according to claim 1, it is characterised in that: set on the mounting base (1)
It is equipped with the support plate (5) for being used to support Weighing module (6), is provided with shock insulation between the support plate (5) and mounting base (1)
It pads (51).
10. a kind of according to claim 1, propellant powder Weighing system described in any one of 2,3,4,5,7,8, it is characterised in that:
The transmission tube driving structure includes the motor (11) being arranged on upper layer bottom plate (3) and transmission connection motor output shaft and passes
The belt system (10) of dynamic pipe (12), is provided with motor isolation cushion (9) between the motor (11) and upper layer bottom plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313605.4U CN209495759U (en) | 2019-03-13 | 2019-03-13 | A kind of propellant powder Weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313605.4U CN209495759U (en) | 2019-03-13 | 2019-03-13 | A kind of propellant powder Weighing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209495759U true CN209495759U (en) | 2019-10-15 |
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ID=68157015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920313605.4U Active CN209495759U (en) | 2019-03-13 | 2019-03-13 | A kind of propellant powder Weighing system |
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| CN (1) | CN209495759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225301A (en) * | 2023-11-16 | 2023-12-15 | 常州市万佳智能装备有限公司 | Precise feeding device capable of controlling speed and quantity |
-
2019
- 2019-03-13 CN CN201920313605.4U patent/CN209495759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225301A (en) * | 2023-11-16 | 2023-12-15 | 常州市万佳智能装备有限公司 | Precise feeding device capable of controlling speed and quantity |
| CN117225301B (en) * | 2023-11-16 | 2024-03-22 | 常州市万佳智能装备有限公司 | Precise feeding device capable of controlling speed and quantity |
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