CN110346020B - Powder metering device and automated production line - Google Patents
Powder metering device and automated production line Download PDFInfo
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- CN110346020B CN110346020B CN201810299575.6A CN201810299575A CN110346020B CN 110346020 B CN110346020 B CN 110346020B CN 201810299575 A CN201810299575 A CN 201810299575A CN 110346020 B CN110346020 B CN 110346020B
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- 239000000843 powder Substances 0.000 title claims abstract description 171
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 238000005303 weighing Methods 0.000 abstract description 18
- 230000013011 mating Effects 0.000 description 14
- 230000000149 penetrating effect Effects 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000003889 chemical engineering Methods 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012254 powdered material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Basic Packing Technique (AREA)
- Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
Abstract
本发明提供一种粉料计量装置及自动化生产线。其中，粉料计量装置包括：本体以及推动件，本体上形成有沿垂向贯穿本体的容纳孔，推动件的一端形成有与容纳孔形状相配合的配合部，配合部伸入容纳孔中，并与容纳孔的内壁共同围成顶部开口的容纳腔，容纳腔用于容纳粉料；且推动件能够相对本体沿垂向移动到预设位置，以获取预设重量的粉料。本发明提供的粉料计量装置及粉料自动化生产线自动化生产线，推动件能够相对本体沿垂向移动到预设位置，以使容纳腔的体积达到预设值，通过将粉料填满容纳腔来实现称取预设重量的粉料的目的，效率高，精度高，能够应用于自动化生产线。
The present invention provides a powder metering device and an automated production line. The powder metering device includes: a main body and a pusher, wherein a receiving hole is formed on the main body and passes through the main body in the vertical direction, and a matching portion matching the shape of the receiving hole is formed at one end of the pusher, the matching portion extends into the receiving hole, and together with the inner wall of the receiving hole, forms a receiving cavity with a top opening, and the receiving cavity is used to receive powder; and the pusher can move vertically to a preset position relative to the main body to obtain powder of a preset weight. The powder metering device and automated production line provided by the present invention, the pusher can move vertically to a preset position relative to the main body to make the volume of the receiving cavity reach a preset value, and the purpose of weighing the preset weight of powder is achieved by filling the receiving cavity with powder, which has high efficiency and high precision and can be applied to automated production lines.
Description
Technical Field
The invention relates to the technical field of automatic weighing and metering of powder, in particular to a powder metering device and an automatic production line.
Background
Powdered materials (simply "powders") are used as a common material state, often as raw materials in various experimental or processing productions. In the fields of laboratories, fine chemical engineering, military products and the like with strict requirements on the proportioning of raw materials, the weight precision requirement of powder is higher, and the attention is paid to how to accurately weigh the powder with specified weight.
In the prior art, for weighing powder with strict precision requirements, a metering tool needs to be manually operated to weigh powder with one weight, an electronic balance is taken as an example of the metering tool, a certain amount of powder is taken out and put into a tray of the electronic balance, the display weight of the electronic balance is observed, if the display weight exceeds the preset weight, part of powder is taken out from the tray, if the display weight is smaller than the preset weight, part of powder is added into the tray, and the process is repeated until the display weight reaches the preset weight.
However, the weighing method is realized by manpower, has low efficiency, cannot guarantee quality and cannot be applied to a large-scale automatic production line.
Disclosure of Invention
The invention provides a powder metering device and an automatic production line, which are used for solving the problem of low efficiency in the prior art that powder is weighed manually.
The invention provides a powder metering device, comprising: the powder filling machine comprises a body and a pushing piece, wherein an accommodating hole penetrating through the body in the vertical direction is formed in the body, a matching part matched with the accommodating hole in shape is formed at one end of the pushing piece, the matching part stretches into the accommodating hole and forms an accommodating cavity with an opening at the top together with the inner wall of the accommodating hole, and the accommodating cavity is used for accommodating powder; and the pushing piece can vertically move to a preset position relative to the body so as to obtain the powder with preset weight.
The powder metering device as described above, wherein the receiving hole includes a receiving section and an internally threaded section, and the pushing member includes a fitting section that is shape-fitted with the receiving section and an externally threaded section that is fit with the internally threaded section; the matching section forms the matching part and forms the containing cavity together with the containing section; the external thread section can move vertically relative to the internal thread section, so that the pushing piece moves to a preset position relative to the body.
The powder metering device as described above, wherein the length of the accommodating section in the vertical direction is equal to or less than the length of the mating section in the vertical direction.
The powder metering device as described above, wherein the inner surface of the accommodating section is a smooth curved surface, and the top surface of the mating section facing the accommodating chamber is a plane.
The powder metering apparatus as described above, wherein the receiving section has a smaller diameter dimension than the internal thread section.
The powder metering apparatus as described above, further comprising a first driver; the driving end of the first driver is in transmission connection with one end of the pushing piece, which is away from the matching part, and is used for driving the pushing piece to move to a preset position relative to the body.
The powder metering apparatus as described above, further comprising a second driver; the first driver is fixedly connected with the body, the driving end of the second driver is also in transmission connection with one end of the pushing piece deviating from the matching part, and the driving end is used for driving the body to rotate together with the pushing piece, so that powder higher than the accommodating cavity can be removed under the action of centrifugal force.
The powder metering device as described above, wherein the first driver is a first motor and the second driver is a second motor.
The powder metering device further comprises a controller, wherein the controller is electrically connected with the first driver and the second driver, and the controller is used for controlling the first driver to drive the pushing piece to move to a preset position relative to the body; and is used for controlling the second driver to drive the pushing piece to rotate together with the body; the device is also used for controlling the first driver and the second driver to act simultaneously, so that the pushing piece and the body rotate together and simultaneously vertically move relative to the body so as to take out all the powder in the accommodating cavity.
The invention also provides an automatic production line, which comprises a filling device, a collecting device and the powder metering device, wherein the filling device is arranged at the top of the accommodating cavity and is used for filling powder into the powder metering device, and the collecting device is covered outside the powder metering device and is used for collecting the powder.
According to the powder metering device and the automatic production line, the body and the pushing piece are arranged, the accommodating hole vertically penetrating through the body is formed in the body, the matching part matched with the accommodating hole in shape is formed at one end of the pushing piece, and the matching part can extend into the accommodating hole and jointly enclose an accommodating cavity with an opening at the top with the inner wall of the accommodating hole; and the pushing piece can vertically move to a preset position relative to the body so that the volume of the accommodating cavity reaches a preset value, the purpose of weighing the powder with preset weight is realized by filling the powder into the accommodating cavity, the efficiency is high, the precision is high, and the pushing piece can be applied to an automatic production line.
Drawings
The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the invention is not limited to the embodiments described below.
FIG. 1 is a schematic view of the overall structure of a powder metering apparatus of the present invention;
FIG. 2 is a schematic view of the powder metering apparatus of the present invention with powder elevated from the receiving chamber;
FIG. 3 is a schematic view of the powder metering apparatus of the present invention in a configuration in which the powder is flush with the receiving chamber.
Reference numerals illustrate:
1: a body;
11: a receiving hole;
12: a receiving chamber;
13: a receiving section;
14: an internal thread segment;
2: a pushing member;
21: a mating section;
22: an external thread section;
3: powder material.
Detailed Description
Powdered materials (simply "powders") are used as a common material state, often as raw materials in various experimental or processing productions. In the fields of laboratories, fine chemical engineering, military products and the like with strict requirements on the proportioning of raw materials, the weight and precision requirements on powder materials are higher, the weighing weight of the powder materials is within 1-30g, the precision is generally required to be less than +/-0.003 g, and the attention is paid to how to accurately weigh the powder materials with specified weight.
In the prior art, for weighing powder with strict precision requirements, a metering tool needs to be manually operated to weigh powder with one weight, an electronic balance is taken as an example of the metering tool, a certain amount of powder is taken out and put into a tray of the electronic balance, the display weight of the electronic balance is observed, if the display weight exceeds the preset weight, part of powder is taken out from the tray, if the display weight is smaller than the preset weight, part of powder is added into the tray, and the process is repeated until the display weight reaches the preset weight.
However, the weighing method is realized by manpower, has low efficiency, cannot guarantee quality and cannot be applied to a large-scale automatic production line.
In order to solve the problems, the embodiment of the invention provides a powder metering device and an automatic production line so as to improve powder weighing precision and weighing efficiency.
The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the invention is not limited to the embodiments described below.
FIG. 1 is a schematic view of the overall structure of a powder metering apparatus of the present invention; referring to fig. 1, the present embodiment provides a powder metering apparatus, including: the powder filling machine comprises a body 1 and a pushing piece 2, wherein an accommodating hole 11 vertically penetrating through the body 1 is formed in the body 1, a matching part matched with the accommodating hole 11 in shape is formed at one end of the pushing piece 2, the matching part stretches into the accommodating hole 11 and forms an accommodating cavity 12 with an opening at the top together with the inner wall of the accommodating hole 11, and the accommodating cavity 12 is used for accommodating powder; and the pushing member 2 can move to a preset position vertically relative to the body 1 to obtain powder of preset weight.
Specifically, the powder metering device can be applied to an automatic production line taking powder as raw materials or output, and can comprise a body 1 and a pushing piece 2, wherein the body 1 and the pushing piece 2 can jointly form a containing cavity 12 for containing the powder, and certain powder with preset weight can be obtained by controlling the volume of the containing cavity 12.
The body 1, which is a main component forming the powder measuring device, may be internally formed with a receiving hole 11 penetrating the body 1 in a vertical direction. The vertical direction may be a direction parallel to the direction of gravity. The structure of the body 1 may be various, for example, the body 1 may be a block structure, the interior of the block structure may be formed with the receiving hole 11 by drilling or cutting, or for example, the body 1 may be a thin-walled tubular structure, and may be integrally formed by casting or the like.
The shape of the receiving hole 11 may be various, for example, it may be a variable cross-section structure whose cross-section varies with the extending direction, or may be a constant cross-section whose cross-section does not vary with the extending direction, and is not particularly limited herein. In addition, the cross-sectional shape may be various, such as square or triangle, and the receiving hole 11 may preferably have a constant cross-sectional structure, and the cross-section may be circular, thereby facilitating the calculation of the weight of the powder.
The pushing member 2 may be formed with a fitting portion at one end thereof as another main component forming the powder measuring device, the fitting portion may be projected into the accommodating hole 11, and in addition, the shape of the fitting portion may be fitted with the shape of the accommodating hole 11, that is, the size of the fitting portion may be the same as the sectional size of the accommodating hole 11, so that the fitting portion and the inner wall of the accommodating hole 11 may together form the accommodating chamber 12 having an open top. The structure of the pushing member 2 may be various, for example, it may be a rod-shaped structure, and the mating portion may be a protrusion formed at one end of the rod-shaped structure in the circumferential direction of the pushing member 2; for another example, the pushing member 2 may have a block structure, and an end surface thereof protruding into the accommodating chamber 12 may form a fitting portion. The engaging portion and the pushing member 2 may be integrally formed as a single piece, or may be fixedly connected by an assembling process, which is not particularly limited herein.
The pusher 2 can move in a vertical direction with respect to the body 1 to reach a preset position, which is related to the weight of powder to be weighed. Taking powder with preset weight to be weighed as an example, the powder volume corresponding to the preset weight can be obtained by knowing the density of the powder, and the height of the accommodating cavity 12, namely the relative position of the top surface of the pushing member 2 and the inner wall of the accommodating hole 11, namely the preset position, can be obtained by calculating the cross section area of the accommodating cavity 12.
The driving modes of the pushing member 2 and the body 1 may be various, for example, the pushing member 2 may be a fixing member, the body 1 may move relative to the pushing member 2, or the body 1 may be a fixing member, and the pushing member 2 may move relative to the body 1. In addition, the connection mode of the pushing piece 2 and the body 1 can be various, for example, the pushing piece 2 can be connected with a hydraulic cylinder or a piston rod of the cylinder, and the pushing piece 2 can move relative to the body 1 through the expansion and the contraction of the piston rod; for another example, the pushing member 2 may be connected with a motor, and the pushing member 2 and the body 1 may move by a gear rack or a worm gear or the like.
When the powder of preset weight is required to be weighed, the pushing piece 2 or the body 1 can be driven to move relatively, so that the depth of the accommodating cavity 12 is changed, when the powder is moved to a preset position, the powder can be added into the accommodating cavity 12 through the filling device, and when the accommodating cavity 12 is filled with the powder, the filling can be stopped, so that the effect of weighing the powder of preset weight is achieved.
According to the powder metering device provided by the invention, the body and the pushing piece are arranged, the body is provided with the accommodating hole penetrating through the body in the vertical direction, one end of the pushing piece is provided with the matching part matched with the accommodating hole in shape, and the matching part can extend into the accommodating hole and jointly enclose an accommodating cavity with an opening at the top with the inner wall of the accommodating hole; and the pushing piece can vertically move to a preset position relative to the body so that the volume of the accommodating cavity reaches a preset value, the purpose of weighing the powder with preset weight is realized by filling the powder into the accommodating cavity, the efficiency is high, the precision is high, and the pushing piece can be applied to an automatic production line.
Further, in another embodiment, the receiving hole 11 includes a receiving section 13 and an internal thread section 14, and the pushing member 2 includes a mating section 21 that mates with the shape of the receiving section 13 and an external thread section 22 that mates with the internal thread section 14; the matching section 21 forms a matching part and encloses a containing cavity 12 together with the containing section 13; the male thread segments 22 are able to move vertically with respect to the female thread segments 14 to move the pusher 2 to a preset position with respect to the body 1.
Specifically, the body 1 may be a cylindrical shape extending in a vertical direction, the receiving hole 11 may be a cylindrical hole extending along a cylindrical axis, the receiving hole 11 may include a receiving section 13 and an internal thread section 14, and the receiving section 13 may be located at a top of the internal thread section 14. The push rod 2 may be a cylindrical rod extending in a vertical direction, and may include a mating section 21 and an external thread section 22, where the external thread section 22 may be located at the bottom of the mating section 21, and the shape of the mating section 21 may be matched with the shape of the accommodating section 13, so that the mating section 21 and the accommodating section 13 are in close contact, the mating section 21 may form a mating portion, and together with the accommodating section 13, the top surface of the mating section 21 may be used as the bottom wall of the accommodating cavity 12, and the inner wall of the accommodating section 13 may be used as the side wall of the accommodating cavity 12. In addition, the diameter dimension of the receiving section 13 may be greater than or equal to the diameter dimension of the internal thread section 14, and is not particularly limited herein.
The internal thread section 14 can form threaded transmission connection with the external thread section 22 so as to realize the relative movement of the pushing piece 2 and the body 1, the threaded transmission structure is simple and easy to realize, the accurate measurement can be realized by controlling the rotating speed, and the powder weighing precision is improved.
Further, the diameter of the receiving section 13 may be smaller than the diameter of the internal thread section 14, thereby improving the rigidity of the receiving chamber 12 and the life.
Further, the length of the accommodating section 13 in the vertical direction is smaller than or equal to the length of the mating section 21 in the vertical direction.
Specifically, after weighing the powder of preset weight, can drive body 1 and impeller 2 makes both relative motion to reduce the degree of depth that holds chamber 12, will hold the powder in the chamber 12 and all release and collect, hold section 13 along the length of vertical less than or equal to cooperation section 21 along the length of vertical can guarantee that all powder is released, improves the precision that the powder was collected.
In addition, the inner surface of the accommodating section 13 is a smooth curved surface, the top surface of the matching section 21 facing the accommodating cavity 12 is a plane, and the bottom wall and the side wall of the accommodating cavity 12 are smooth surfaces, so that powder is prevented from adhering to the surface of the accommodating cavity 12, the volume of the powder is conveniently and accurately measured, and the weighing precision is improved.
On the basis of the embodiment, the powder metering device further comprises a first driver; the driving end of the first driver is in transmission connection with one end of the pushing piece 2, which is away from the matching part, and is used for driving the pushing piece 2 to move to a preset position relative to the body 1.
Specifically, the powder metering device further comprises a first driver, wherein the driving end of the first driver is in transmission connection with one end of the pushing piece 2, which is away from the matching part, so as to drive the pushing piece 2 to move, so that the pushing piece 2 moves to a preset position relative to the body 1, namely, the body 1 can be kept fixed first, and the pushing piece 2 moves to achieve the purpose of changing the volume of the accommodating cavity 12.
The first driver may be a driver commonly known in the art, such as a motor, a hydraulic pump, an air pump, etc., and is not particularly limited herein, and preferably, the first driver may be a motor capable of driving the pusher 2 to rotate. The driving end of the first driver can be connected with one end of the pushing piece 2, which is away from the matching part, through a transmission mechanism such as a gear reduction mechanism, so as to realize movement.
FIG. 2 is a schematic view of the powder metering apparatus of the present invention with powder elevated from the receiving chamber; FIG. 3 is a schematic view of the powder metering apparatus of the present invention in a configuration in which the powder is flush with the receiving chamber.
Referring to fig. 2 and 3, the powder metering apparatus further includes a second driver; the first driver is fixedly connected with the body 1, and the driving end of the second driver is also in transmission connection with one end of the pushing piece 2 deviating from the matching part, and is used for driving the body 1 to rotate together with the pushing piece 2, so that powder 3 which is higher than the accommodating cavity 12 can be removed under the action of centrifugal force.
Specifically, in order to ensure that the weighed powder 3 can reach the preset weight, when the filling device fills the powder 3 into the accommodating cavity 12, the filling can be stopped after detecting that the powder 3 overflows from the accommodating cavity 12, but after stopping, part of the powder 3 is still accumulated on the top of the accommodating cavity 12 due to the morphological characteristics of the powder 3, and the part of the powder 3 forms a bulge on the top of the accommodating cavity 12, as can be seen from fig. 2. For less high precision requirements or smaller diameters of the receiving chamber 12, the portion of powder 3 may meet the requirements for metering precision, but for higher precision requirements and larger diameters of the receiving chamber 12, the portion of powder 3 may have an adverse effect on precision.
In order to remove part of the powder 3 protruding from the top of the receiving chamber 12, the powder metering device may further comprise a second driver, the driving end of which may be in driving connection with the end of the pushing member 2 facing away from the mating part, preferably the connection may avoid the connection position of the driving end of the first driver with the pushing member 2, thereby avoiding interference. The first driver may also be fixedly connected with the body 1. The second driver is able to move the pusher 2 together with the body 1 and the first driver fixed to the body 1.
The second driver may be a driver commonly known in the art, such as a motor, a hydraulic pump, an air pump, etc., and is not particularly limited herein, and preferably, the second driver may be a motor capable of driving the pusher 2 to rotate. The driving end of the second driver can be connected with one end of the pushing piece 2, which is away from the matching part, through a transmission mechanism such as a gear reduction mechanism, so as to realize movement.
After the pushing piece 2 moves to the preset position relative to the body 1 under the action of the first driver, the filling device can fill powder 3 into the accommodating cavity 12, after the powder 3 is filled, the second driver can drive the pushing piece 2 to rotate together with the body 1 and the first driver 12, part of the powder 3 protruding from the top of the accommodating cavity 12 can be thrown out under the action of centrifugal force, so that the powder 3 in the powder metering device is of preset weight, and the precision is higher.
Preferably, the first driver is a first motor, the second driver is a second motor, and the structure is simple.
On the basis of the embodiment, the powder metering device further comprises a controller, wherein the controller is electrically connected with the first driver and the second driver and is used for controlling the first driver to drive the pushing piece 2 to move to a preset position relative to the body 1; and is used for controlling the second driver to drive the pushing piece 2 to rotate together with the body 1; the device is also used for controlling the first driver and the second driver to act simultaneously, so that the pushing piece 2 and the body 1 rotate together, and meanwhile, the pushing piece 2 moves vertically relative to the body 1 to take out all the powder 3 in the accommodating cavity 12.
Specifically, the complete working process of the powder metering device may include three working phases, the first driver acts in the first working phase, the pushing member 2 moves to a preset position relative to the body 1, and the filling device fills the powder 3 into the accommodating cavity 12; in the second working phase, the second driver acts, the pushing piece 2 and the body 1 rotate together, so that the powder 3 protruding from the accommodating cavity 12 is removed; in the third working stage, the first driver and the second driver act simultaneously, the pushing piece 2 can move upwards relative to the body 1 to push the powder 3 out of the accommodating cavity 12, meanwhile, the pushing piece 12 can rotate together with the body 1, and the pushed powder 3 is far away from the powder metering device under the action of centrifugal force, so that collection is performed.
The powder metering device can comprise a controller, and the controller can be electrically connected with the first driver and the second driver, so that the first driver and the second driver are controlled to be switched in the three working stages, and filling and feeding are achieved. The controller may be a common controller structure in the prior art, such as a single chip microcomputer and an ARM chip, and is not limited herein. When the powder metering device is applied to an automated production line, the controller may be a control device of the automated production line.
The invention also provides an automatic production line, which comprises a filling device, a collecting device and a powder metering device, wherein the powder metering device comprises: the powder filling machine comprises a body 1 and a pushing piece 2, wherein an accommodating hole 11 vertically penetrating through the body 1 is formed in the body 1, a matching part matched with the accommodating hole 11 in shape is formed at one end of the pushing piece 2, the matching part stretches into the accommodating hole 11 and forms an accommodating cavity 12 with an opening at the top together with the inner wall of the accommodating hole 11, and the accommodating cavity 12 is used for accommodating powder; and the pushing member 2 can move to a preset position vertically relative to the body 1 to obtain powder of preset weight. The packing device is arranged at the top of the accommodating cavity 12 and is used for filling powder into the powder metering device, and the collecting device is covered outside the powder metering device and is used for collecting the powder 3.
In particular, the automated production line may be a production line using the powder 3 as a raw material, or producing the powder 3, which has strict requirements on the weight of the powder 3. The structure and function of the powder metering device are the same as those of the above embodiments, and specific reference may be made to the above embodiments, which are not described herein.
The filler device can be the device that can realize the material loading among the prior art, and it can include the storage container and the discharge gate of being connected with the storage container, and the discharge gate can be located and hold chamber 12 open-ended top, and powder 3 can have the discharge gate outflow of storage container and get into under the effect of gravity and hold the intracavity 12, realizes the raw materials and fills.
The collecting device may be a cover body covering around the powder metering device, and the bottom or the peripheral side of the collecting device may be formed with a connecting hole, when the powder metering device works in the third working stage, all the powder 3 in the accommodating cavity 12 moves in a direction away from the powder metering device under the action of centrifugal force, and after the powder 3 contacts the cover body of the collecting device, the powder can be collected from the connecting hole.
When the powder 3 with preset weight is required to be weighed, the pushing piece 2 or the body 1 can be driven to make the pushing piece or the body move relatively, so that the depth of the accommodating cavity 12 is changed, when the pushing piece or the body moves to a preset position, the powder 3 can be added into the accommodating cavity 12 through the filling device, and when the accommodating cavity 12 is filled with the powder 3, filling can be stopped, so that the effect of weighing the powder 3 with preset weight is achieved. When the weighing is completed, the pushing member 2 can continue to move upwards relative to the body 1, so that the powder 3 is pushed out of the accommodating cavity 12, and all the powder 3 can be collected by the collecting device.
The powder metering device comprises a filling device, a collecting device and a powder metering device, wherein the powder metering device comprises a body and a pushing piece, a containing hole vertically penetrating through the body is formed in the body, a matching part matched with the containing hole in shape is formed at one end of the pushing piece, and the matching part can extend into the containing hole and jointly enclose a containing cavity with an opening at the top with the inner wall of the containing hole; and the pushing piece can vertically move to a preset position relative to the body so that the volume of the accommodating cavity reaches a preset value, the purpose of weighing the powder with preset weight is realized by filling the powder into the accommodating cavity, the efficiency is high, the precision is high, and the pushing piece can be applied to an automatic production line.
In the present invention, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "upper," "lower," "top," "bottom," and the like, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description of the present invention only, and do not refer to or imply that the device or element in question must have, be constructed and operated in, or at, a particular orientation; unless specifically stated or limited otherwise, terms such as "mounted," "connected," and the like, are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
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| CN201810299575.6A CN110346020B (en) | 2018-04-04 | 2018-04-04 | Powder metering device and automated production line |
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| CN201810299575.6A CN110346020B (en) | 2018-04-04 | 2018-04-04 | Powder metering device and automated production line |
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| CN110346020B true CN110346020B (en) | 2024-11-26 |
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