CN109229441B - Filling device and filling method for sound-absorbing powder - Google Patents
Filling device and filling method for sound-absorbing powder Download PDFInfo
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- CN109229441B CN109229441B CN201810867065.4A CN201810867065A CN109229441B CN 109229441 B CN109229441 B CN 109229441B CN 201810867065 A CN201810867065 A CN 201810867065A CN 109229441 B CN109229441 B CN 109229441B
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- 239000000843 powder Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 238000007664 blowing Methods 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 brushes Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/16—Methods of, or means for, filling the material into the containers or receptacles by pneumatic means, e.g. by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/48—Checking volume of filled material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention provides a filling method of sound-absorbing powder, which comprises the following steps: absorbing sound-absorbing powder in the quantitative pipe by vacuum adsorption; and transferring the sound-absorbing powder in the quantitative pipe into a filling funnel communicated with a powder filling port of the acoustic device, and filling the sound-absorbing powder into the acoustic device through the filling funnel. In addition, the invention also provides a filling device using the filling method, and the vacuum adsorption device and the cut-off device are utilized to realize quantitative filling, so that the accuracy is improved; the powder cannot be crushed, the poor consistency of the weight of the powder particles is improved, and the reliability and the stability of the acoustic device product are improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of electroacoustic, in particular to a filling device and a filling method for sound-absorbing powder.
[ background of the invention ]
At present, the sound absorbing material of the loudspeaker module has the sound absorbing cotton and the sound absorbing powder, the sound absorbing performance of the sound absorbing powder in the two materials is better, the sound absorbing powder needs to be filled into a sound absorbing cavity, and correspondingly, the device of the sound absorbing powder needs to be filled. More and more products need to use sound-absorbing powder or other functional powder particles to help achieve the functions that the products need to have, and therefore, filling a certain amount of powder into the reserved cavity of the products becomes more and more important.
The powder filling mechanism in the prior art generally uses a sliding block type tool, and the powder filling process flow comprises the following steps: blanking, namely when the push plate is pushed to the rightmost position, the powder falls onto the through hole of the push plate from the powder box; pack, when pushing away the push pedal to the leftmost position, the powder on the push pedal can pass through the bottom plate, fills in the below funnel (the powder mouth is irritated to the product below the funnel). The powder quantitative principle of the powder filling mechanism is as follows: the volume of the through hole on the push plate is set according to the sound-absorbing cavity, and when the volume of the through hole on the push plate is fixed, the volume of the powder filled in each time cannot be changed. However, in the moving process of the push plate tool, part of powder is crushed, the weight consistency of sound absorption particles is poor, and the product performance and reliability are affected. In addition, the problems of jamming, powder overflow and the like exist, the normal operation of the production line cannot be ensured, and the problem that the accurate quantitative filling cannot be realized also exists.
Therefore, there is a need for a new filling apparatus and a new filling method.
[ summary of the invention ]
In order to solve the above problems, the present invention provides a method for filling sound-absorbing powder, the method comprising:
absorbing sound-absorbing powder in the quantitative pipe by vacuum adsorption;
and transferring the sound-absorbing powder in the quantitative pipe into a filling funnel communicated with a powder filling port of the acoustic device, and filling the sound-absorbing powder into the acoustic device through the filling funnel.
As a refinement, the volume of the dosing tube is set according to the filling amount of the sound-absorbing powder.
As an improvement, the filling method also comprises the step of removing the redundant powder at the suction port of the quantitative pipe after the quantitative pipe is filled with the sound-absorbing powder.
As an improvement, the mode of removing the excessive powder at the suction port of the quantitative tube comprises blowing through a blowing device or sweeping through a soft substance.
As an improvement, the sound-absorbing powder in the quantitative pipe is transferred to the filling funnel by blowing compressed air or vibration.
The invention also provides a filling device, which comprises a first member provided with an adsorption hole, a second member positioned below the first member, a third member positioned below the second member, and a fourth member communicated with the third member and provided with an accommodating space, wherein the first member is also provided with an adsorption pipe communicated with the adsorption hole; the second component is provided with a quantitative pipe, an isolation net for isolating sound-absorbing powder is arranged between the quantitative pipe and the adsorption pipe, and the quantitative pipe is used for absorbing the quantitative sound-absorbing powder by utilizing vacuum adsorption; the third component is provided with a communicating pipe corresponding to the quantitative pipe, and the filling device also comprises a cut-off device communicated with the communicating pipe; the accommodating space is used for accommodating sound-absorbing powder.
As an improvement, the adsorption hole is communicated with a vacuum adsorption device for sucking the sound-absorbing powder in the fourth member into the quantitative pipe.
As a refinement, the volume of the dosing tube is set according to the filling amount of the sound-absorbing powder.
The cut-off device comprises an air blowing pipe, and the air blowing pipe is used for removing redundant powder at the suction port of the quantitative pipe.
The invention has the beneficial effects that:
the filling device realizes quantitative filling by utilizing the vacuum adsorption device and the cut-off device, thereby improving the accuracy; powder cannot be crushed, the poor consistency of the weight of the powder particles is improved, and the reliability and the stability of the product are improved. In addition, the filling method can accurately and quantitatively fill the sound-absorbing powder without crushing the powder; simple and easy to operate, and improves the working efficiency.
[ description of the drawings ]
Fig. 1 is an exploded perspective view of the filling device of the present invention;
fig. 2 is a schematic plan view of the filling device of the present invention;
FIG. 3 is a sectional view taken along line A-A in FIG. 2;
FIG. 4 is a schematic view of a process flow of vacuum powder suction in a quantitative tube in the filling method of the present invention;
FIG. 5 is a schematic view of a process flow for blowing off excess powder;
FIG. 6 is a schematic process flow diagram of quantitative tube transfer;
FIG. 7 is a schematic view of a process for blowing powder in a dosing tube into a filling funnel;
fig. 8 is a schematic view of a process flow for filling the powder in the filling funnel into the sound-absorbing cavity of the acoustic device.
[ detailed description ] embodiments
The present invention will be described in further detail below with reference to specific embodiments thereof and with reference to the attached drawings so that aspects of the present invention and advantages thereof can be better understood. In the following embodiments, the horizontal direction on the drawing sheet is taken as the horizontal direction, and the vertical direction on the drawing sheet is taken as the vertical direction. Furthermore, the following detailed description is provided to facilitate a more thorough understanding of the present invention and is not intended to limit the invention.
Example 1
Referring to fig. 1, 2 and 3, the present invention provides a filling device 1, wherein the filling device 1 comprises a first member 2 provided with a suction hole 21, a second member 3 positioned below the first member 2, a third member 4 positioned below the second member 3, and a fourth member 5 communicated with the third member 4 and having a receiving space.
In the present embodiment, as shown in fig. 1, the first member 2 is provided with four symmetrically distributed adsorption holes 21, the adsorption holes 21 are communicated with one end of an adsorption tube 22 penetrating the first member 2, the other end of the adsorption tube 22 is communicated with the second member 3, and the adsorption holes 21 are communicated with a vacuum pump or other vacuum adsorption device and are used for adsorbing powder; the second member 3 is provided with a quantitative pipe 31 corresponding to the adsorption pipe 22, the quantitative pipe 31 penetrates through the second member 3, the capacity of the quantitative pipe 31 is set according to the filling amount of the sound-absorbing powder, and the quantitative pipe 31 is funnel-shaped and has an inverted trapezoid cross section (see fig. 3 in particular); the third member 4 is provided with a communicating pipe 41 communicated with the adsorption pipe 22 and the quantitative pipe 31, one side of the communicating pipe 41 is provided with an air blow pipe 42 communicated with the cut-off device, the air blow pipe 42 and the communicating pipe 41 are arranged in a crossed manner on the same vertical plane, and preferably, the air blow pipe 42 is arranged perpendicular to the communicating pipe 41; after the quantitative pipe 31 is filled with sound-absorbing powder, excess sound-absorbing powder is removed by blowing air to a suction inlet of the quantitative pipe 31 by using an air blowing pipe 42; the upper end of the quantitative pipe 31 is communicated with the adsorption pipe 22, the lower end of the quantitative pipe 31 is communicated with the communication pipe 41 of the third component 4, and the lower end of the communication pipe 41 is communicated with the fourth component 5; an isolation net 6 for isolating sound-absorbing powder is arranged between the adsorption pipe 22 and the quantitative pipe 31, and the isolation net 6 covers the upper end surface of the quantitative pipe 31, thereby preventing the sound-absorbing powder from being absorbed into the adsorption pipe 22; the fourth member 5 is provided with an accommodating space 51 for accommodating sound absorbing powder, and the accommodating space 51 communicates with the communication pipe 41, and in the present embodiment, the fourth member 5 is a powder container. See in particular fig. 3.
In addition, the filling device 1 comprises a movable device 7 which is matched with the second component 3, and the movable device 7 is provided with a filling funnel 71 corresponding to the dosing tube 31. See in particular fig. 8.
The number and positions of the adsorption tubes 22, the quantitative tubes 31, and the communication tubes 41 are not particularly limited, and the above description is only for illustrative purposes and is not intended to limit the present invention. In addition, the volume of the fixed-amount pipe 31 is set according to the filling amount of the sound-absorbing powder, thereby enabling accurate fixed-amount filling.
Compared with the prior art, the filling device disclosed by the invention realizes quantitative filling by utilizing the vacuum adsorption device and the cut-off device, so that the accuracy is improved; the powder cannot be crushed, the poor consistency of the weight of the powder particles is improved, and the reliability and the stability of the acoustic device product are improved.
Example 2
Referring to fig. 4 to 8, the present invention also provides a method for filling sound-absorbing powder using the filling device 1 of example 1, the method including:
the quantitative pipe takes out the sound absorbing powder contained in the fourth member 5 by a vacuum suction method using, for example, a vacuum suction device such as a vacuum pump, and the like, and sucks the sound absorbing powder into the quantitative pipe 31. See in particular fig. 4.
After the quantitative tube 31 is filled with sound-absorbing powder, the cut-off device blows air to the quantitative tube 31 through the air blowing tube 42 to remove the redundant powder at the suction port of the quantitative tube 31, the redundant powder flows back to the accommodating space 51 of the fourth member 5 again, and the redundant powder can be swept away by soft substances such as brushes, foam and the like, so that the material taking process is completed. See in particular fig. 5.
The quantitative tube 31 is transferred and the first member 2, the second member 3 and the third member 4 are separated, specifically, the quantitative tube 31 on which the sound-absorbing powder is adsorbed is disconnected from the third member 4, transferred to the movable device 7 having the filling funnel 71, and the powder in the quantitative tube 31 is transferred to the lower filling funnel 71 by blowing the powder into the adsorption tube 22 with compressed air or by using a vibration method. See in particular fig. 6 and 7.
Filling, the powder filling opening 8 of the acoustic device is positioned below the filling funnel 71, the filling funnel 71 is placed at the powder filling opening 8, and the powder in the filling funnel 71 is filled into the sound absorption cavity 9, so as to complete quantitative filling, which is specifically shown in fig. 8.
It should be noted that, since the volume of the quantitative tube 31 is set according to the amount of sound-absorbing powder to be filled, when the volume of the quantitative tube 31 is constant, the volume of powder to be filled does not change every time, thereby achieving accurate quantitative filling.
In addition, the invention utilizes the vacuum adsorption principle to suck the powder into the corresponding quantitative pipe (volume ration), and then the powder is filled into the acoustic device product without crushing the powder.
Compared with the prior art, the filling method can accurately and quantitatively fill the sound-absorbing powder without crushing the powder; simple and easy to operate, and improves the working efficiency.
It should be noted herein that various changes and modifications can be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the invention.
Claims (4)
1. A filling method of sound-absorbing powder is characterized by comprising the following steps:
absorbing sound-absorbing powder in the quantitative pipe by vacuum adsorption;
removing redundant powder at the suction port of the quantitative pipe;
transferring the sound-absorbing powder in the quantitative pipe to a filling funnel communicated with a powder filling port of the acoustic device, and filling the sound-absorbing powder into the acoustic device through the filling funnel;
wherein the mode of removing the redundant powder at the suction port of the quantitative tube comprises blowing through a blowing device or sweeping through a soft substance;
the method adopts the following filling device: the filling device comprises a first member provided with an adsorption hole, a second member positioned below the first member, a third member positioned below the second member, a fourth member communicated with the third member and provided with a containing space, and a movable device matched and assembled with the second member, wherein the first member is also provided with an adsorption pipe communicated with the adsorption hole; the second component is provided with a quantitative pipe, an isolation net for isolating sound-absorbing powder is arranged between the quantitative pipe and the adsorption pipe, and the quantitative pipe is used for absorbing the quantitative sound-absorbing powder by utilizing vacuum adsorption; the third component is provided with a communicating pipe corresponding to the quantitative pipe, and the filling device also comprises a cut-off device communicated with the communicating pipe; the accommodating space is used for accommodating sound-absorbing powder; the cutoff device comprises an air blowing pipe, the air blowing pipe is communicated with one side of the communicating pipe and is perpendicular to the communicating pipe, and the air blowing pipe is used for removing redundant powder at the suction port of the quantitative pipe; the movable device is provided with the filling funnel corresponding to the quantitative pipe.
2. The filling method according to claim 1, wherein the volume of the quantitative tube is set according to the filling amount of the sound-absorbing powder.
3. The filling method according to claim 1, wherein the sound-absorbing powder in the dosing tube is transferred to the filling funnel by blowing compressed air or by vibration.
4. The filling method according to claim 3, wherein the suction hole communicates with a vacuum suction device for sucking the sound-absorbing powder in the fourth member into the quantitative tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867065.4A CN109229441B (en) | 2018-08-01 | 2018-08-01 | Filling device and filling method for sound-absorbing powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867065.4A CN109229441B (en) | 2018-08-01 | 2018-08-01 | Filling device and filling method for sound-absorbing powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109229441A CN109229441A (en) | 2019-01-18 |
| CN109229441B true CN109229441B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810867065.4A Active CN109229441B (en) | 2018-08-01 | 2018-08-01 | Filling device and filling method for sound-absorbing powder |
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| Country | Link |
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| CN (1) | CN109229441B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110089772B (en) * | 2019-04-15 | 2021-06-29 | 江苏大学 | Glutinous rice lotus root rice filling automatic production line |
| CN117944926B (en) * | 2024-03-26 | 2024-06-25 | 昆山鸿仕达智能科技股份有限公司 | Powder filling device and powder filling method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1510634A (en) * | 1975-09-11 | 1978-05-10 | Albro Fillers & Eng Co Ltd | Packaging |
| GB2033330A (en) * | 1978-10-02 | 1980-05-21 | Drugpack Machines Ltd | Vacuum filling |
| SE8200263L (en) * | 1982-01-19 | 1983-07-20 | Ingf Anders Westlund Ab | DEVICE FOR TRANSFER A PRESCRIBED QUANTITY OF A POWDER OR CORN-MATERIAL MATERIAL FROM A DELIVERY PLACE TO A RECEPTION PLACE |
| CN2656300Y (en) * | 2003-06-26 | 2004-11-17 | 瑞安市三联制药机械有限公司 | Reciprocating type pill preparation counting filling charging device |
| CN200998543Y (en) * | 2007-01-26 | 2008-01-02 | 郭温贤 | Accurate assembling device for powder fire extinguisher |
| CN202481330U (en) * | 2012-03-05 | 2012-10-10 | 杭州金州高分子科技有限公司 | Automatic packing device for color masterbatch |
| CN105730721B (en) * | 2016-05-04 | 2018-01-30 | 成都合达自动化设备有限公司 | A kind of vacuum electric subnumber grain filling apparatus |
| CN205854556U (en) * | 2016-06-24 | 2017-01-04 | 湖南千山制药机械股份有限公司 | A kind of unpacking propellant filling machine |
| CN206187377U (en) * | 2016-10-17 | 2017-05-24 | 上海东富龙科技股份有限公司 | Air current powder filling syringe needle |
| CN206265352U (en) * | 2016-11-23 | 2017-06-20 | 潍坊路加精工有限公司 | Quantitative powder filling device |
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| CN109229441A (en) | 2019-01-18 |
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Effective date of registration: 20231024 Address after: 213000 No.3, Changcao Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: AAC MICROTECH (CHANGZHOU) Co.,Ltd. Patentee after: Jiangsu Jicui Zhongyi Technology Industry Development Co.,Ltd. Address before: 213167 Changzhou, Jiangsu City, Wujin province summer town villa Patentee before: AAC MICROTECH (CHANGZHOU) Co.,Ltd. |