CN210135986U - Powder feeding precision metering device - Google Patents
Powder feeding precision metering device Download PDFInfo
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- CN210135986U CN210135986U CN201920841326.5U CN201920841326U CN210135986U CN 210135986 U CN210135986 U CN 210135986U CN 201920841326 U CN201920841326 U CN 201920841326U CN 210135986 U CN210135986 U CN 210135986U
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Abstract
The utility model relates to a powder pay-off precision measurement device, utilize a controlling means design to have predetermined blanking weight control parameter with instruction drive material feeding unit, powder pay-off to the discharge gate of a conveying pipe unit with a storage unit, a blanking regulation and control device will support and remove the opening degree that breaks away from this discharge gate to a predetermined interval at a cock body coupling of discharge gate simultaneously, make the powder blanking at a metering unit, this opening degree can finely tune the interval of for clearance size in order to regulate and control the powder trace blanking of discharge gate with the precision, and send out the blanking in this metering unit according to the target weight parameter that controlling means set for, value of reading through metering unit feedbacks this controlling means, whether reach target weight with the verification, when so the powder pay-off, can obtain super accurate measurement effect.
Description
Technical Field
The present invention relates to a metering control device, and more particularly to a powder feeding precision metering device.
Background
In the existing chemical industry, food industry, pharmaceutical industry, textile dyeing industry and the like, liquid or powder raw materials are often used, the target effect of chemical reaction can be realized only by using the raw materials according to a set proportion, namely, the raw materials must be subjected to batch metering production, and particularly, when the raw materials are subjected to micro precise metering, how to quickly and correctly meter the raw materials is a problem which is very concerned in the related industry.
In the prior art, refer to taiwan patent No. M469265, "an automatic material metering and conveying device", the structure of the present invention includes a plurality of material storage devices, an empty barrel mechanism, a conveying device, an electronic scale moving device, an electronic scale lifting unit and an electronic scale. The electronic scale is combined with the electronic scale moving device through the electronic scale lifting unit, the electronic scale lifting unit can drive a lifting position or a lowering position, when the lifting position is formed, the metering platform protrudes to the material moving space, and when the lowering position is formed, the metering platform descends to the electronic scale moving space. When the electronic scale is used for metering materials, the electronic scale lifting unit is used for lifting the electronic scale to an empty barrel to be pushed and lifted to be separated from the conveying device, and the empty barrel is rotated to be borne by the electronic scale metering platform to meter the materials.
However, the above technical solutions actually have the following problems:
the material storage device of the technical scheme is provided with a material storage space and a discharge hole. Because the inside or the discharge gate of material storage space does not set up any structure that can the precision measurement material, the material that the material storage space stored is directly supplied to the empty bucket of waiting to measure through the discharge gate, consequently can only carry out a large amount of material pay-off measurement control to the material, can't obtain the precision measurement effect of material.
Therefore, the existing material metering structure is really necessary to be improved.
In addition, the inventor of the present invention previously obtained an "intelligent modular metering system" in taiwan patent No. I607202, which mainly enables different types of raw materials and raw materials of the same formula to be combined in the same system, and allows a large number, types and types of raw materials to be available in a limited space, and the metering control diversity is selectable, thereby forming a modular infinitely expandable member. However, the structure and efficiency of the patent are still not ideal for the precise metering part of the powder.
SUMMERY OF THE UTILITY MODEL
The utility model provides a powder feeding precision metering device which can obtain the precision metering effect.
In order to achieve the above object, the present invention comprises a storage unit for containing powder, a feeding pipe unit disposed under the storage unit, one side of the feeding pipe unit being connected to the interior of the storage unit for receiving the powder falling from the storage unit, and one side of the feeding pipe unit comprising a discharge port; the feeding device is combined on one side of the feeding pipe unit and is used for conveying the powder falling into the feeding pipe unit to the discharge hole; the plug body is used for movably abutting against the discharge hole or separating from the discharge hole; the blanking regulating device is movably connected with the plug body and used for movably controlling the plug body to be moved to abut against the discharge hole or be separated from the discharge hole; and the metering unit is arranged on the lower side of the discharge port and is used for receiving powder discharged from the discharge port of the feeding pipe unit.
Further, still include a controlling means electric connection this storage unit, this material feeding unit, this blanking regulation and control device and this measurement unit.
Furthermore, the blanking regulation and control device further comprises a connecting unit, a power device, a moving device and a driving device, wherein the connecting unit is movably connected with one side of the power device, one side of the moving device is movably connected with the other side of the power device, and the other side of the moving device is connected with the driving device.
Furthermore, the connecting unit is a clamp, the power device is a cylinder, the moving device is a cross sub-screw moving device, the driving device is a motor, the clamp is provided with a handle part and a clamping jaw opposite to the handle part, the handle part of the clamp is connected with one side of the cylinder, one side of the cross sub-screw moving device is movably connected with the cylinder, the motor is linked with the other side of the cross sub-screw moving device, the handle part and the clamping jaw of the clamp are linked by the power of the cylinder and can be movably opened or retracted, and therefore the clamp can movably clamp and connect the plug ladder or be separated from the plug body.
Further, the plug body comprises a plate, the plate is combined on one side of the plug body, the plate is provided with a hole, the two sides of the hole are respectively provided with a buckle piece, the buckle pieces on the two sides of the hole are respectively an arc-shaped buckle piece, the arc-shaped buckle pieces respectively protrude from the two side walls of the hole to the inner side, and an inner difference space is formed in the hole by the arc-shaped buckle piece structure of the buckle piece.
Further, the weighing device can be any one of an electronic balance or an electronic scale.
Further, the left side of the plug body has a first groove, the right side has a second groove, and the lower side has a third groove, the left side first groove is combined with the first wiper, the right side second groove is combined with the second wiper, and the lower side third groove is combined with the third wiper.
Furthermore, a fourth scraping blade is combined with the upper edge of the discharge hole.
Further, this cock body downside is inwards to indent and is equipped with a toper blanking opening, and this toper blanking opening one side has a wide mouth, and this toper blanking opening opposite side has a tapered mouth, and this wide mouth is sunken to the inboard direction convergent extension formation this tapered mouth from the free end of this cock body downside.
Furthermore, the material pipe unit further comprises a balancing weight and a pipe body, the discharge hole is combined on one side of the balancing weight, a material receiving hole is formed in one side of the pipe body, a pipe opening is formed in the other side of the pipe body, the material receiving hole is communicated with the inside of the material storage unit, the balancing weight is arranged on the inner bottom side of the pipe body, and meanwhile, the discharge hole is matched and assembled on the pipe opening.
Further, the feeding device comprises a vibration device which is combined at the lower side of the feeding pipe unit.
Further, this material feeding unit still includes: the feeding pipe unit is internally provided with a feeding screw, a coupler and a driving unit, the feeding screw is arranged in the feeding pipe unit in a penetrating mode, one side of the feeding screw is connected with the coupler, the coupler is coupled with the driving unit, and the driving unit is electrically connected with the control device.
Therefore, a control device such as any one (not shown) of a PLC, a microcomputer, a computer or a control circuit device is utilized to electrically connect the storage unit, the feeding device, the blanking regulation and control device and the metering unit, the control device is designed with preset blanking weight control parameters to instruct the feeding device to feed powder to one side of the discharge port, simultaneously the control device instructs the blanking regulation and control device to connect and move the plug body which is pushed at the discharge port to be separated from the discharge port to a preset distance or gap opening degree according to the blanking control parameters, the opening degree of the distance of the plug body separated from the discharge port is matched with the preset blanking weight parameter size (quantity) to pass through the control device, such as the PLC, self-calculation, or the blanking speed needs a larger quantity of powder blanking, or the design of large initial blanking powder quantity or high speed, the opening degree is controlled to be larger, otherwise, the predicted powder blanking amount is smaller/less, or when the blanking is close to and finishes the predicted weight, the opening degree is controlled to be smaller or finely adjusted to be the gap size so as to more precisely regulate and control the powder blanking, the opening degree of the plug body separated from the discharge port is matched with the powder weight data received by the metering unit to give an instruction to the control device to regulate the opening degree according to the required design parameters at any time, once the powder is blanked to the metering unit to reach the preset blanking weight, the control device reads a powder weight signal metered by the metering unit, and the control device instructs the blanking regulation and control device to push the plug body to block the discharge port again so as to stop the powder blanking, so that the powder with the weight of the preset blanking control parameters is finished.
In some embodiments, the powder feeding precision metering device is configured by using an upper powder storage unit, a plug body movably supported by the discharge port of a lower feeding pipe unit, and a control device such as a PLC programmable logic controller (not shown) to electrically connect the vibrating device, preferably, the feeding device includes a vibrating device, such as a vibrator, and the vibrating device is supported by the feeding pipe unit, and the control device controls the vibrating feeding pipe unit to drive the vibrator to vibrate the feeding pipe unit to feed a large amount of powder to the discharge port feeding pipe unit and controls the vibrating frequency of the vibrator to vibrate the amount (weight) of powder moving to the discharge port in the feeding pipe unit, and the low-frequency vibration can feed a very small amount of powder to the discharge port according to the required weight, the blanking regulation and control device is matched with the control device to instruct the blanking regulation and control device to connect and move the plug body which is propped at the discharge hole to be separated from the discharge hole to an opening degree of a preset distance, when the predicted blanking amount of powder is smaller/less or the blanking is close to finishing the predicted weight, the opening degree of the plug body separated from the discharge hole is controlled to be smaller or finely adjusted to be the gap size so as to more precisely regulate and control the weighing of a metering unit under the blanking of the powder, the reading value of the weighing device such as an electronic balance is fed back to the control device such as a PLC (programmable logic controller), whether the ultrahigh precision of the target weight is achieved is verified, the precise metering of the controlled powder can be obtained, and the problem that the precise metering of the existing metering device for the powder raw materials is.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a first cross-sectional view of an embodiment of the present invention;
FIG. 2 is an exploded view of the feeding tube unit, the plug body and the discharging material regulating device of the present invention;
fig. 3 is a cross-sectional view of a second embodiment of the present invention;
FIG. 4 is a perspective cross-sectional view of a plate of the present invention;
FIG. 5 is a partially exploded view of the plug body of the present invention;
FIG. 6 is a perspective view of a plug body of the present invention;
fig. 7 is a first cross-sectional view of another embodiment of the present invention;
fig. 8 is a cross-sectional view of another embodiment of the present invention.
Description of the reference numerals
10 stock storage unit
11 feed pipe unit
110 discharge hole
111 counterweight block
113 fourth wiper blade
13 pipe body
131 material receiving port
133 nozzle
30 measuring unit
31 receiving container
32 weighing device
50 feeding device
501 feeding screw
503 coupler
505 drive unit
507 vibration device
60 plug body
61 plate
62 first groove
621 first doctor blade
63 holes
64 second groove
641 second doctor blade
65 fastener
66 third groove
661 third doctor blade
67 space
68 conical blanking opening
681 wide mouth
683 taper mouth
70 blanking regulation and control device
71 connection unit
710 handle
711 clamping jaw
73 power plant
75 moving device
77 drive the device.
Detailed Description
Referring to fig. 1 to 3, an embodiment of the present invention includes a storage unit 10 for containing powder, the storage unit 10 further includes a feeding pipe unit 11, the feeding pipe unit 11 is disposed at a lower side of the storage unit 10, one side of the feeding pipe unit 11 is communicated with the inside of the storage unit 10 for receiving the powder falling from the storage unit 10, one side of the feeding pipe unit 11 includes a discharge port 110 and a feeding device 50, the feeding device 50 is combined with one side of the feeding pipe unit 11, and the feeding device 50 is used for conveying the powder falling into the feeding pipe unit 11 to the discharge port 110; the plug body 60 is used for movably abutting against the discharge hole 110 or separating from the discharge hole 110; a blanking adjusting and controlling device 70, wherein the blanking adjusting and controlling device 70 is movably connected to the plug body 60, and the blanking adjusting and controlling device 70 movably controls to move the plug body 60 to block the discharge hole 110 or the plug body 60 to separate from the discharge hole 110; a metering unit 30, the metering unit 30 is disposed at the lower side of the discharge port 110, and the metering unit 30 is used for receiving the powder discharged from the discharge port 110 of the feeding pipe unit 11.
Therefore, the material storage unit 10, the feeding device 50, the blanking regulation and control device 70 and the metering unit 30 are electrically connected by using a control device such as any one (not shown) of a PLC microcomputer, a computer or a control circuit device, etc., the powder of the material storage unit 10 is blanked to the feeding pipe unit 11, the control device in the embodiment uses the PLC to design a preset blanking weight control parameter to instruct the feeding device 50 to move and convey the powder of the feeding pipe unit 11 to one side of the discharge port 110, meanwhile, the control device instructs the blanking regulation and control device 70 according to the blanking control parameter, the plug body 60 abutting against the discharge port 110 is connected and moved to be separated from the discharge port 110 to an opening degree of a preset distance or gap size, the opening degree of the blanking distance of the plug body 60 separated from the discharge port 110 is matched with the preset blanking weight parameter size (multiple) through the PLC of the control device, and the calculation and the self-control device Or the blanking speed needs a larger amount of powder to be blanked, or the initial blanking powder is designed to be large in amount or high in speed, and the opening degree is controlled to be larger; on the contrary, when the predicted powder blanking amount is smaller or the blanking is close to completing the predicted weight, the opening degree is controlled to be smaller or the fine adjustment opening degree is the gap size to more precisely regulate and control the powder blanking, the opening degree of the plug body 60 separated from the discharge port 110 is matched with the powder weight data received by the metering unit 30 to be fed back to the control device, and the control device instructs to regulate the opening degree according to the required design parameters at any time, once the powder is blanked to the metering unit 30 to reach the preset blanking weight, the control device reads the powder weight signal metered by the metering unit 30, and instructs the blanking regulation device 70 to press the plug body 60 against the discharge port 110 again to stop the powder blanking, thereby completing the powder with the weight of the preset blanking control parameters.
An embodiment of the present invention further includes a control device (not shown) such as any one of a PLC, a microcomputer, a computer or a control circuit device, electrically connected to the storage unit 10, the feeding device 50, the blanking control device 70 and the metering unit 30, in some embodiments, the control device uses various control parameter functions pre-designed by the PLC, and the user can input planned powder blanking weight (quantity) to the control device in advance, so as to link and instruct each unit and device to perform the action coordination, thereby blanking and metering to complete the predetermined powder metering.
Referring to fig. 1 and fig. 3, in a structural embodiment, the metering unit 30 includes a receiving container 31 and a weighing device 32, the receiving container 31 is disposed on the weighing device 32, the receiving container 31 is used for receiving the powder discharged from the discharging hole 110, and the weighing device 32 performs a metering and weighing reading operation, so as to achieve the purpose of precisely controlling the powder metering; the weighing device 32 is, for example, an electronic balance or an electronic scale. The feeding device 50 includes a vibration device 507, the vibration device 507 is coupled to the lower side of the feeding pipe unit 11 for vibrating the powder in the feeding pipe unit 11 to move to the discharge port 110, and the vibration device 507 is a vibrator.
Referring to fig. 1 to 3, in an embodiment of the present invention, the driving device 77 can drive the moving device 75 to movably move the power device 73 and the connecting unit 71 back and forth, the connecting unit 71 moves to the position of the plug body 60, the connecting unit 71 is controlled by the power device 73, and the connecting unit 71 can be movably connected to the plug body 60 or the connecting unit 71 can be separated from the plug body 60;
in some embodiments, the plug 60 abuts against the discharge port 110, the driving device 77 is instructed by default parameters of the control device, such as a PLC (programmable logic controller) (not shown), the moving device 75 is driven to move the power device 73 and the connecting unit 71, the connecting unit 71 is movably connected to the plug 60, and the moving device 75 is driven to move the power device 73 and the connecting unit 71 to link the plug 60 to disengage from the discharge port 110 to a predetermined opening degree, so as to blank the powder in the discharge port 110, the size of the opening degree of the plug 60 disengaging from the discharge port 110 is matched with the powder weight data change received by the metering unit 30, and the data is fed back to the control device to instruct to adjust the size of the opening degree at any time according to the required design parameters, even to finely adjust the blanking of the powder with the extremely small blanking amount of the gap size, once the powder reaches the predetermined blanking weight to the metering unit 30, the control device reads the powder weight signal measured by the measuring unit 30, the control device instructs the blanking control device 70 to push the plug 60 to the discharge port 110 again to stop powder blanking, the expected amount of powder falls into the measuring unit 30, the control device simultaneously instructs the moving device 75 to move the power device 73 and the connecting unit 71 and drive the plug 60 to move towards the discharge port, the plug 60 reaches the discharge port 110 and pushes the discharge port 110, and the control device instructs the connecting unit 71 to disengage from the plug 60 and the moving device 75 to move the power device 73 and the connecting unit 71 away from the plug 60.
Referring to fig. 1 to 3, in an embodiment of the present invention, the connecting unit 71 is, for example, a clamp, the power device 73 is, for example, a cylinder, the moving device 75 is, for example, a cross sub-screw moving device, the driving device 77 is, for example, a motor, the clamp has a handle 710 and a jaw 711 opposite to the handle 710, the handle 710 of the clamp is connected to one side of the cylinder, one side of the cross sub-screw moving device is movably connected to the cylinder, the motor is coupled to the other side of the cross sub-screw moving device, the handle 710 and the jaw 711 of the clamp are movably opened or closed by the power of the cylinder, and thus the clamp can movably clamp the plug 60 or separate from the plug 60.
In some embodiments, the motor, such as any one of a stepping motor, a servo motor or a DC motor, may be connected to the cross sub-screw moving device by using any one of a belt or a chain, the plug 60 abuts against the discharge port 110, in the embodiment, a stepping motor is used, the default parameters of the control device, such as a PLC programmable logic controller, instruct the stepping motor to drive the cross sub-screw moving device to move the cylinder and the clamp to the plug 60, instruct the clamp to movably clamp and connect to the plug 60, and simultaneously drive the cross sub-screw moving device to move the cylinder and the clamp to drive the plug 60 to separate from the discharge port 110 to a predetermined opening degree to drop powder, the size of the opening degree of the plug 60 separating from the discharge port 110 is matched with the powder weight data received by the metering unit 30 to change, and feed back to the control device according to the required design parameters, the opening degree can be adjusted by an instruction at any time, even the opening degree is finely adjusted to be the extremely minute powder blanking of the gap size, once the powder is blanked to the metering unit 30 to reach the preset blanking weight, the control device reads a powder weight signal metered by the metering unit 30, the control device instructs the stepping motor to drive the cross sub-screw moving device to move the cylinder and the clamp and drive the plug body 60 to move towards the discharge port 110, the plug body 60 reaches the discharge port 110 and supports against the discharge port 110, the control device instructs the clamp to separate from the plug body 60, and simultaneously the cross sub-screw moving device moves the cylinder and the clamp to be far away from the plug body 60.
Referring to fig. 1 to 4, in an embodiment of the present invention, the plug body 60 includes a plate 61, the plate 61 is combined on one side of the plug body 60, the plate 61 has a hole 63, and two sides of the hole 63 are respectively formed with a fastener 65; the fasteners 65 on both sides of the hole 63 are arc fasteners respectively protruding from both side walls of the hole 63 to the inner side, the arc fastener structure of the fastener 65 forms a space 67 with an inner difference in the hole 63, and the clamping jaws 711 of the clamp are clamped by the space 67 with the inner difference to the fasteners 65 on both sides of the hole 63 respectively.
In some embodiments, the clamping jaw 711 of the clamp of the connecting unit 71 is moved to be clamped into the hole 63, and the cylinder opens the handle portion and the clamping jaw 711 of the clamp, and the clamping jaw 711 is movably opened outwards in the inner space 67 to clamp the fastener 65, and conversely, the cylinder clamps the handle portion and the clamping jaw 711 of the clamp, and the clamping jaw 711 is movably clamped inwards in the inner space 67 to release the fastener 65.
Referring to fig. 5 to 6, in an embodiment of the present invention, the left side of the plug 60 has a first groove 62, the right side has a second groove 64, the lower side has a third groove 66, the first groove 62 on the left side is combined with a first scraping blade 621, the second groove 64 on the right side is combined with a second scraping blade 641, and the third groove 66 on the lower side is combined with a third scraping blade 661, so that the plug 60 completely abuts against the discharge hole 110, and the first scraping blade 621, the second scraping blade 641, and the third scraping blade 661 can scrape and abut against the powder between the plug 60 and the gap around the discharge hole 110, thereby achieving the purpose of controlling the PLC to perform very small amount of powder blanking and metering.
The plug body or the scraping blade can be selected from any one of rubber, plastics, silica gel, metal, fiber and the like.
Referring to fig. 2, in an embodiment of the present invention, a fourth scraping blade 113 is further coupled to the upper edge of the discharging hole 110, and a very small amount of powder may be accumulated on the upper side of the plug body 60, so that the plug body 60 abutting against the discharging hole 110 is moved to be separated from the discharging hole 110, and the fourth scraping blade 113 can scrape a small amount of powder on the upper side of the plug body 60 on the inner side of the discharging hole 110, and the powder is moved out of the discharging hole 110 by the feeding device 50 and falls on the metering unit 30.
Referring to fig. 1 and 6, in an embodiment of the present invention, a tapered blanking opening 68 is recessed inward from a lower side of the plug 60, a wide opening 681 is formed at one side of the tapered blanking opening 68, and a tapered opening 683 is formed at the other side of the tapered blanking opening 68, the wide opening 681 is recessed from a free end of the lower side of the plug 60 and extends to the inner side in a tapered manner to form the tapered opening 683, so that the plug 60 is finely adjusted to be separated from the opening of the discharge hole 110 in the size of the gap, the plug 60 can penetrate a small amount of powder through the wide opening 681 of the tapered blanking opening 68, the powder is limited by the tapered blanking opening 68 of the tapered groove structure, and only a small amount of powder can be controlled to be blanked from the tapered opening 683 to the metering unit 30, so as to achieve metering and regulation of the small amount of powder.
Referring to fig. 1 to 3, in an embodiment of the present invention, the material pipe unit 11 further includes a weight block 111 and a pipe body 13, the material outlet 110 is combined on one side of the weight block 111, a material receiving opening 131 is formed on one side of the pipe body 13, the other side of the pipe body 13 has a pipe opening 133, the material receiving opening 131 is used for communicating with the inside of the material storage unit 10, the weight block 111 is disposed on the inner bottom side of the pipe body 13, the material outlet 110 is disposed on the pipe opening 133, and the powder in the material pipe unit 11 is disposed on the upper side of the weight block 111; the feeding device 50 includes a vibrating device 507, the vibrating device 507 is, for example, a vibrator, and is coupled to the lower side of the feeding pipe unit 11, the weight block 111 weighs the weight of the feeding pipe unit 11, and when the vibrator 507 vibrates the powder inside the feeding pipe unit 11, the weight block 111 can increase the vibrating efficiency, thereby accelerating the speed of the powder moving to the discharge port 111.
An embodiment of the present invention, please refer to fig. 2, fig. 7 and fig. 8, except for using the above-mentioned device, the feeding device 50 further includes a feeding screw 501, a coupler 503 and a driving unit 505, the feeding screw 501 is inserted in the feeding pipe unit 11, the coupler 503 is connected to one side of the feeding screw 501, the coupler 503 is coupled to the driving unit 505, the driving unit 505 is electrically connected to the control device (not shown), the feeding device 50 further includes a vibration device 507, the vibration device 507 is a vibrator, the vibration device 507 is abutted to one side of the feeding pipe unit 11, the vibration device 507 is electrically connected to the control device, such as a PLC, the control device is used for controlling the vibration frequency of the vibration device 507 according to a predetermined value target weight parameter, the control device controls the rotation of the feeding screw 501 to convey the feeding unit 10 to the powder falling into the feeding pipe unit 11, the control device controls the driving unit 505 to drive the feeding screw 501 to rotate and convey the powder falling into the feeding pipe unit 10 The driving unit 505 is, for example, a step control device coupled to the feeding screw 501, the control device controls the rotation of the feeding screw 501 to deliver a larger amount of powder to the discharge port 110 of the feeding pipe unit 11, and vibrates the feeding pipe unit 11 through the vibration frequency of the vibration device 507, so as to deliver a smaller amount or a small amount of powder according to the amount of the weight parameter required by the target, and the powder is discharged through the discharge port 110 of the feeding pipe unit 11 in the vibration to be precisely metered in the metering unit 30, thereby obtaining the precise metering of the controlled powder, including precise metering of the small amount of powder, and the like, which completely overcomes the problem that the metering device in the prior art is insufficient in precise metering of the powder.
The utility model discloses an embodiment of powder pay-off precision measurement device, this controlling means for example PLC programmable logic controller control pay-off micro powder vibrations of borrowing this order, and this powder weight/quantity of precision control falls into this and accepts container 31 in, makes weighing device 32's weighing value repayment to controlling means to use for example software closed loop (Close loop) calculus control it to reach very accurate measurement result.
If the powder does not reach the weighing precision, an alarm will sound, and a control parameter command is reset to check the problem.
The utility model discloses powder pay-off precision measurement device can verify whether the powder reaches the super high accuracy of target weight, for example 0.02 g.
Referring to fig. 2, an embodiment of the powder feeding precision metering device is suitable for metering powder with high viscosity and poor flowability, and can obtain very precise metering results by adjusting the vibration frequency or/and the time of the vibration device 507 for controlling the amount of powder falling through a mode of a software transformation algorithm included in the control device.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (12)
1. The utility model provides a powder pay-off precision metering device which characterized in that includes:
the storage unit is used for containing powder and also comprises a feeding pipe unit, the feeding pipe unit is arranged at the lower side of the storage unit, one side of the feeding pipe unit is communicated with the inside of the storage unit, and one side of the feeding pipe unit comprises a discharge hole;
the feeding device is combined on one side of the feeding pipe unit and is used for conveying the powder falling into the feeding pipe unit to the discharge hole;
a plug body which can movably support against the discharge hole or separate from the discharge hole;
the blanking regulating device is movably connected with the plug body and can movably control the plug body to abut against the discharge hole or separate from the discharge hole;
a metering unit, this metering unit includes that one accepts the container, a weighing device of accepting the powder via the discharge gate blanking of this conveying pipe unit, should accept the container and place on this weighing device, and this metering unit locates this discharge gate downside.
2. A powder feeding precision metering device as claimed in claim 1, further comprising a control device electrically connected to the storage unit, the feeding device, the blanking control device and the metering unit.
3. A powder feeding precision metering device as claimed in claim 1 or 2, wherein the blanking adjusting and controlling device further comprises a connecting unit, a power device, a moving device, and a driving device, the connecting unit is movably connected to one side of the power device, one side of the moving device is movably connected to the other side of the power device, and the other side of the moving device is connected to the driving device.
4. A powder feeding precision metering device as claimed in claim 3, wherein the connecting unit is a clamp, the power device is a cylinder, the moving device is a cross sub-screw moving device, the driving device is a motor, the clamp has a handle and a clamping jaw opposite to the handle, the handle of the clamp is connected to one side of the cylinder, one side of the cross sub-screw moving device is movably connected to the cylinder, the motor is linked to the other side of the cross sub-screw moving device, and the handle and the clamping jaw of the clamp are movably opened or closed by the power of the cylinder.
5. A powder feeding precision metering device as claimed in claim 4, wherein the plug body comprises a plate member, the plate member is combined with one side of the plug body, the plate member has a hole, two sides of the hole are respectively formed with a fastening member, the fastening members at two sides of the hole are respectively an arc-shaped fastening member, the arc-shaped fastening members respectively protrude from two side walls of the hole to the inner side, and the arc-shaped fastening member structure of the fastening member forms an inner space in the hole.
6. A powder feeding precision metering device as claimed in claim 1 or 2, wherein the weighing device is any one of an electronic balance or an electronic scale.
7. A powder feeding precision metering device as claimed in claim 1 or 2, wherein the plug body has a first groove on the left side, a second groove on the right side, and a third groove on the lower side, the first groove on the left side is combined with the first scraper, the second groove on the right side is combined with the second scraper, and the third groove on the lower side is combined with the third scraper.
8. A powder feeding precision metering device as claimed in claim 1 or 2, wherein a fourth scraper is further combined with the upper edge of the discharge port.
9. A powder feeding precision metering device as claimed in claim 1 or 2, wherein the lower side of the plug body is recessed with a conical blanking opening, one side of the conical blanking opening is provided with a wide opening, the other side of the conical blanking opening is provided with a conical opening, and the wide opening is recessed from the free end of the lower side of the plug body and extends to the inner side in a tapering manner to form the conical opening.
10. A powder feeding precision metering device as claimed in claim 1 or 2, wherein the material tube unit further comprises a weight block, a tube body, the discharge port is combined on one side of the weight block, a receiving port is formed on one side of the tube body, a tube opening is formed on the other side of the tube body, the receiving port is communicated with the inside of the material storage unit, the weight block is arranged on the inner bottom side of the tube body, and the discharge port is assembled at the tube opening.
11. A powder feeding precision-metering device as in claim 10, wherein the feeding device comprises a vibration device, and the vibration device is combined with the lower side of the feeding pipe unit.
12. A powder feeding precision metering device as defined in claim 2, wherein the feeding device further comprises:
the feeding device comprises a feeding screw rod, a coupler coupled with the driving unit and a driving unit electrically connected with the control device, wherein the feeding screw rod penetrates through the feeding pipe unit, and one side of the feeding screw rod is connected with the coupler.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022085597A1 (en) * | 2020-10-19 | 2022-04-28 | 株式会社ツカサ | Particulate supply device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022085597A1 (en) * | 2020-10-19 | 2022-04-28 | 株式会社ツカサ | Particulate supply device |
| JP7387210B2 (en) | 2020-10-19 | 2023-11-28 | 株式会社ツカサ | Powder supply device |
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