CN208568040U - The micro- weigher of fiber - Google Patents
The micro- weigher of fiber Download PDFInfo
- Publication number
- CN208568040U CN208568040U CN201821030575.8U CN201821030575U CN208568040U CN 208568040 U CN208568040 U CN 208568040U CN 201821030575 U CN201821030575 U CN 201821030575U CN 208568040 U CN208568040 U CN 208568040U
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- Prior art keywords
- outlet
- weigher
- micro
- fiber
- feeding
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Abstract
The utility model provides a kind of micro- weigher of fiber, and the bottom of feed bin is equipped with the outlet for being connected to metrological service, and pneumatic gate valve, the top setting decompression material limiting device of outlet is arranged in the lower section of outlet；Pneumatic gate valve is used to open goods and closes outlet；Metering device is made of weighing hopper, bracket support and two groups of weighing sensors, and weighing sensor one end is connect with dust cover outrigger, and the other end of weighing sensor is connect with weighing hopper bottom；Material in feed bin carries out feeding to metering device by feed device, and fibre material is added to the 90% of metering, issues signal by control system, variable-frequency motor in driving feed device makees frequency conversion reduction of speed and carries out slow feeding, after reaching target variable, stops feeding, simultaneously close off pneumatic gate valve.The utility model provides a kind of micro- weigher of fiber, realizes automatic gauge and precision is relatively high.
Description
Technical field
The utility model relates to a kind of micro- weighers of fiber.
Background technique
Fiber is added in building sand paddle and improves sand paddle crack resistance, and fiber is widely used in coagulation as a kind of raw material
The products such as soil, mortar, plate, due to fiber poor fluidity itself, density is low the features such as, the method for being usually added into be artificial weighing,
It is artificial to be added.Main problem existing for hand stock has: (1) inefficiency, is not able to satisfy the needs of automated production；(2) people
Work is at high cost；(3) product quality not can guarantee, and have weighing inaccurate, leakage throws and throws phenomenon again；(4) it is possible to occur what machinery was hurted sb.'s feelings
Accident.
Existing patent " CN201070838Y ", for the device of weight feed fiber, such as glass fibre, plastic optical fibre
Or the device (1) of cellulose fibre, these fibers are especially the additive for being used as engineering material or plastics, described device has one
The dosing device and one of the container and a setting of fiber deposit on this container (2) bottom is stored to set along conveying direction
Set the scale behind or below dosing device.In order to relatively accurately weight feed fiber and avoid fibrous caking
Danger, it is provided that the bottom (3) of container (2) have at least one outlet (4), in container (2) in bottom section be arranged use
Fiber is sent to the feeding mechanism of the outlet (4), below outlet (4) setting two can opposite direction driving parallel brush
Roller (5), opposite direction of rotation orient from the top down at their hithermost positions.Its structure is decrement metering,
Claim body from great, sensors of large measurement range must be used, the big verification scale interval of range becomes larger in the identical number of divisions, causes error
Greatly, it is not able to satisfy practical engineering application；Bottom discharge port is in open state, when lacking material charging, is easy to drop off, causes metering not
It is quasi-.
Utility model content
In order to overcome the shortcomings in the prior art, the utility model provides a kind of micro- weigher of fiber, realizes automatic meter
It measures and precision is relatively high.
In order to solve the above technical problems, the utility model provides a kind of micro- weigher of fiber, comprising: feed bin is sent
Expect device, pneumatic gate valve, metering device and dust cover；
The bottom of the feed bin is equipped with the outlet for being connected to the metrological service, and the lower section setting of the outlet is described pneumatic
Gate valve, the top setting decompression material limiting device of outlet；The pneumatic gate valve is used to open goods and closes the outlet；
The metering device is made of weighing hopper, bracket support and two groups of weighing sensors, described weighing sensor one end
It is connect with dust cover outrigger, the other end of weighing sensor is connect with weighing hopper bottom；
Material in feed bin carries out feeding to metering device by feed device, and fibre material is added to the 90% of metering,
Signal is issued by control system, drives the variable-frequency motor in feed device to make frequency conversion reduction of speed and carries out slow feeding, reach target metering
After value, stops feeding, simultaneously close off pneumatic gate valve.
In a preferred embodiment: the bottom of the feed bin have a prolate shape cavity, the cavity cross section it is upper
Portion be the first horizontal line, two sides be with the horizontal line both ends vertical line connected vertically, bottom be the second horizontal line；Second horizontal line with
It is connected between the end of two vertical lines by circular arc line transition.
In a preferred embodiment: the bottom of the cavity, in the corresponding region of two the second horizontal lines, be provided with one to
The convex block of cavity protrusion.
In a preferred embodiment: the opening is provided among the bottom of the cavity；The feed device is set to
In the feed bin.
In a preferred embodiment: the feed device is two screw feeding bars disposed in parallel, two screw feedings
The hand of spiral of bar is opposite；The outlet is arranged in the region between two screw feeding bars, strong by helical axis feeding rod
System pushes fiber movement, exports fiber from the outlet.
In a preferred embodiment: in the screw feeding bar, positive and negative blade arrangement circle number is pressed in every screw feeding bar
The distribution of 3:7 ratio.
In a preferred embodiment: the metering device uses door structure, it is ensured that has enough angles to be greater than material
Angle of repose.
In a preferred embodiment: the dust cover is made of flange in the bottom, cloth set, cover, flange in the bottom and stirring
Host connection, connects cover by cloth set.
Compared to the prior art, the technical solution of the utility model have it is following the utility model has the advantages that
The micro- weigher of a kind of fiber provided by the utility model uses standalone module to be isolated with stirring host due to taking,
So that fiber increment under static state measures, to guarantee its measuring accuracy, and do not influenced by charging charging and stirring host
Interference, and pneumatic gate valve is added between feed bin and dust cover, influence measuring accuracy is dropped off at the end of reducing feed.In static state
In the case of measure, improve measuring accuracy, measurement error is can be controlled within ± 25g；It designs one batch of range of weighing
Metering material, using small-range sensor, its repeatability error is measured under static state and is stablized, to facilitate within 5kg
It is weighed in short time, prevents weighed number of passes value drift.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of the preferred embodiment in the utility model；
Fig. 2 is the perspective view of the preferred embodiment in the utility model.
Specific embodiment
The utility model is described further below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1-2, a kind of micro- weigher of fiber, comprising: feed bin 1, feed device 2, pneumatic gate valve 3, metering device 4
With dust cover 5；
The bottom of the feed bin 1 is equipped with the outlet for being connected to the metrological service, and the gas is arranged in the lower section of the outlet
Dynamic gate valve 3, the top setting decompression material limiting device of outlet；The pneumatic gate valve 3 is used to open goods and closes the outlet；
The metering device 4 is made of weighing hopper, bracket support and two groups of weighing sensors, described weighing sensor one end
It is connect with 5 outrigger of dust cover, the other end of weighing sensor is connect with weighing hopper bottom；Control system acquires weighing and sensing
The weight of fiber in the available weighing hopper of device feedback signal starts the variable-frequency motor in feed device, can carry out gage work.
Specific process are as follows:
Material in feed bin 1 carries out feeding to metering device 4 by feed device 2, and fibre material is added to metering
90%, signal is issued by control system, drives the variable-frequency motor in feed device 2 to make frequency conversion reduction of speed and carries out slow feeding, reach mesh
After marking variable, stops feeding, simultaneously close off pneumatic gate valve 3.
The specific structure of the utility model are as follows: to guarantee that material can be uniformly sent, the bottom of the feed bin 1 has one
The cavity of prolate shape, the top of the cavity cross section are the first horizontal line, and two sides are connected vertically perpendicular with the horizontal line both ends
Line, bottom are the second horizontal line；It is connected between second horizontal line and the end of two vertical lines by circular arc line transition.The cavity
Bottom, in the corresponding region of two the second horizontal lines, be provided with one towards cavity protrusion convex block.Feed device is along cavity
It is axially extending, two circular arc lines can avoid buildup dead zone in cavity, and material under the effect of gravity, will be along
Circular arc slides downwards.
The opening is provided among the bottom of the cavity；The feed device 2 is set in the feed bin 1.It is described
Feed device 2 is two screw feeding bars disposed in parallel, and the hand of spiral of two screw feeding bars is opposite；The outlet setting
In region between two screw feeding bars, by helical axis feeding rod force push fiber movement, make fiber from it is described go out
Mouth output.In the screw feeding bar, the opposite blade of the hand of spiral is provided in every screw feeding bar；And every spiral
Positive and negative blade arrangement circle number is distributed by 3:7 ratio on feeding rod.
In a preferred embodiment: the metering device 4 uses door structure, it is ensured that has enough angles to be greater than material
Angle of repose can guarantee that limit can swimmingly be drawn off.
The dust cover 5 is made of flange in the bottom, cloth set, cover, and flange in the bottom is connect with stirring host, passes through cloth set
Connect cover.Cloth set plays the role of shock insulation, reduces the influence vibrated to metering.
The micro- weigher of a kind of fiber provided by the utility model uses standalone module to be isolated with stirring host due to taking,
So that fiber increment under static state measures, to guarantee its measuring accuracy, and do not influenced by charging charging and stirring host
Interference, and pneumatic gate valve 3 is added between feed bin 1 and dust cover 5, influence measuring accuracy is dropped off at the end of reducing feed.?
It is measured under quiescent conditions, improves measuring accuracy, measurement error is can be controlled within ± 25g；It designs range of weighing one
Batch metering material, using small-range sensor, its repeatability error is measured under static state and is stablized, with side within 5kg
Just it is weighed in a short time, prevents weighed number of passes value drift.
The above, some principles of the utility model that only explains through diagrams, this specification are not intended to this is practical
It is novel to be confined in the shown specific structure and the scope of application, thus it is all it is all may be utilized accordingly modify and wait
Jljl belongs to the applied the scope of the patents of the utility model.
In addition to the technical characteristic described in the specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (8)
1. a kind of micro- weigher of fiber, characterized by comprising: feed bin, feed device, pneumatic gate valve, metering device and dust-proof
Cover；
The bottom of the feed bin is equipped with the outlet for being connected to the metering device, and the pneumatic plate is arranged in the lower section of the outlet
Valve, the top setting decompression material limiting device of outlet；The pneumatic gate valve is used to open goods and closes the outlet；
The metering device is made of weighing hopper, bracket support and two groups of weighing sensors, described weighing sensor one end and anti-
The connection of dust hood outrigger, the other end of weighing sensor are connect with weighing hopper bottom；
Material in feed bin carries out feeding to metering device by feed device, and fibre material is added to the 90% of metering, by controlling
System processed issues signal, drives the variable-frequency motor in feed device to make frequency conversion reduction of speed and carries out slow feeding, after reaching target variable,
Stop feeding, simultaneously closes off pneumatic gate valve.
2. the micro- weigher of a kind of fiber according to claim 1, it is characterised in that: the bottom of the feed bin has a prolate
The cavity of shape, the top of the cavity cross section are the first horizontal line, and two sides are and the horizontal line both ends vertical line connected vertically, bottom
Portion is the second horizontal line；It is connected between second horizontal line and the end of two vertical lines by circular arc line transition.
3. the micro- weigher of a kind of fiber according to claim 2, it is characterised in that: the bottom of the cavity, at two article
In the corresponding region of two horizontal lines, be provided with one towards cavity protrusion convex block.
4. the micro- weigher of a kind of fiber according to claim 3, it is characterised in that: be provided among the bottom of the cavity
The outlet；The feed device is set in the feed bin.
5. the micro- weigher of a kind of fiber according to claim 4, it is characterised in that: the feed device is two and sets in parallel
The hand of spiral of the screw feeding bar set, two screw feeding bars is opposite；The outlet is arranged between two screw feeding bars
Region in, by helical axis feeding rod force push fiber movement, export fiber from the outlet.
6. the micro- weigher of a kind of fiber according to claim 5, it is characterised in that: in the screw feeding bar, every spiral shell
Positive and negative blade arrangement circle number on feeding rod is revolved to be distributed by 3:7 ratio.
7. the micro- weigher of a kind of fiber according to claim 6, it is characterised in that: the metering device uses clamshell doors knot
Structure, it is ensured that there are enough angles to be greater than the angle of repose of material.
8. the micro- weigher of a kind of fiber according to claim 7, it is characterised in that: the dust cover by flange in the bottom,
Cloth set, cover composition, flange in the bottom are connect with stirring host, connect cover by cloth set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030575.8U CN208568040U (en) | 2018-06-29 | 2018-06-29 | The micro- weigher of fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030575.8U CN208568040U (en) | 2018-06-29 | 2018-06-29 | The micro- weigher of fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208568040U true CN208568040U (en) | 2019-03-01 |
Family
ID=65490091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821030575.8U Expired - Fee Related CN208568040U (en) | 2018-06-29 | 2018-06-29 | The micro- weigher of fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208568040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657867A (en) * | 2018-06-29 | 2020-01-07 | 福建南方路面机械有限公司 | Fiber micro-metering scale |
-
2018
- 2018-06-29 CN CN201821030575.8U patent/CN208568040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657867A (en) * | 2018-06-29 | 2020-01-07 | 福建南方路面机械有限公司 | Fiber micro-metering scale |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20200629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |