CN107131935A - Screw feeder scale - Google Patents
Screw feeder scale Download PDFInfo
- Publication number
- CN107131935A CN107131935A CN201710484575.9A CN201710484575A CN107131935A CN 107131935 A CN107131935 A CN 107131935A CN 201710484575 A CN201710484575 A CN 201710484575A CN 107131935 A CN107131935 A CN 107131935A
- Authority
- CN
- China
- Prior art keywords
- screw
- feeder
- feed
- feed bin
- hank knotting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/32—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using two or more weighing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The present invention relates to a kind of screw feeder scale, with the feed motor reducer being arranged on support and screw(-type) feeder；Screw(-type) feeder includes the feed bin for being used to deposit material；Hank knotting axle is coaxially arranged with feed bin；Rotating shaft of the one end of hank knotting axle with being fed motor reducer is connected；Uniform impeller or helical blade on the periphery of hank knotting axle；Weighing mechanism is installed between screw(-type) feeder and support；The center of gravity of center correspondence feed both the motor reducer and screw(-type) feeder of Weighing mechanism is set, and Weighing mechanism includes scale body bracket, weighing sensor and the scale body support frame set gradually from top to bottom.The present invention rotates to carry out quantitative feeding by hank knotting axle, make the uniform blanking of material, so substantially increase the measuring accuracy of material, it can prevent material from producing slug phenomenon in flowing simultaneously, increase Weighing mechanism simultaneously, number that can be in real time further to material is controlled, and double shield makes measuring accuracy higher.
Description
Technical field
The present invention relates to a kind of material dynamic weigher, more particularly to a kind of screw feeder scale.
Background technology
Screw feeder scale is the operation principle based on constant speed constant feed weigher, the conveying of the collection designed and developed, Weighing and
The electromechanical integration equipment that dosing control is integrated, is widely used in the industrial productions such as building materials, metallurgy, chemical industry, electric power
In the flow measurement and feed proportioning system of the non-viscosity granular material of department.
At present, simple in construction, the low cost of screw feeder scale, but it by discharging opening malleation wind or negative pressure wind influenceed compared with
Greatly, i.e.,：When discharging opening has malleation wind or negative pressure wind effect, the flowing velocity of powder is disturbed in conveyor screw, stream speed and
Motor speed is non-linear relation, will influence measuring accuracy.In addition, granular material can usually produce slug phenomenon in flowing,
Make granular material out of hand, produce a large amount of normal productions of influence of shoving, decline product quality, or even damage equipment.
The content of the invention
The purpose of the present invention is that the defect for overcoming prior art to exist can prevent material from producing punching in flowing there is provided one kind
Expect phenomenon, and can in real time further to material number be controlled, double shield makes the screw feeder that measuring accuracy is higher
Scale.
Realizing the technical scheme of the object of the invention is：A kind of screw feeder scale, with the feed motor being arranged on support
Reductor and screw(-type) feeder；The screw(-type) feeder includes the feed bin for being used to deposit material；The two ends of the feed bin pass through
Hank knotting axle is coaxially arranged with the bearing holder device of corresponding attachment means connection, feed bin, the top of feed bin feed end is set
There is the discharging opening for being provided with and being connected with feed bin below the charging aperture connected with feed bin, discharge end；One end of the hank knotting axle with
The rotating shaft for being fed motor reducer is connected；Uniform impeller or helical blade on the periphery of the hank knotting axle；Positioned at screw feeder
Weighing mechanism is installed between machine and support；The center correspondence feed motor reducer and screw(-type) feeder two of the Weighing mechanism
The center of gravity of person is set, and Weighing mechanism includes scale body bracket, weighing sensor and the scale body support frame set gradually from top to bottom；Institute
Weighing sensor is stated with four, and is distributed in four angular positions of scale body bracket；The scale body bracket by support block with
Screw(-type) feeder is connected.
Motor reducer described in above-mentioned technical proposal is fixedly installed on scale body bracket by cushion block and corresponding fastener,
The rotating shaft of motor reducer is connected by yielding coupling with hank knotting axle.
The other end of hank knotting axle is provided with velocity sensor described in above-mentioned technical proposal.
Bearing holder device described in above-mentioned technical proposal includes the bearing end for setting gradually and being connected by fastener from outside to inside
Lid, bearing and internal bearing cover；Oldham coupling is additionally provided with axis between the bearing (ball) cover and bearing.
The feed end of feed bin described in above-mentioned technical proposal is provided with suspension bracket；The suspension bracket welding is fixed on scale by fastener
On body support frame.
It is provided with sensor protection support, weighing sensor and installs around weighing sensor described in above-mentioned technical proposal
There is spring；The spring upper end is in contact with sensor support frame, and lower end is provided with spring bracket.
The section of support described in above-mentioned technical proposal is in inverted " t " font.
After adopting the above technical scheme, the present invention has following positive effect：
(1) present invention rotates to carry out quantitative feeding by hank knotting axle, is adjusted by the motor reducer of screw(-type) feeder
Feeding, can make the rotating speed of feed quantity and rotating shaft linear, make the uniform blanking of material, so substantially increase the meter of material
Accuracy of measurement, while can prevent material from producing slug phenomenon in flowing, while increase Weighing mechanism, can be in real time further to thing
Material number be controlled, double shield makes measuring accuracy higher.
(2) other end of hank knotting axle of the invention is provided with velocity sensor, and what velocity sensor chose market outsourcing is
Can, velocity sensor transmits a signal to controller and shown, in real time the rotating speed of detection hank knotting axle, so as to control feed quantity.
(3) feed end of feed bin of the invention is provided with suspension bracket；Suspension bracket welds or is fixed on scale body support frame by fastener
On, it can be sling by lifting machine, be easy to the installation of device, transport, cleaning or maintenance.
(4) it is provided with around weighing sensor of the invention in sensor protection support, weighing sensor and bullet is installed
Spring；Spring upper end is in contact with sensor support frame, and lower end is provided with spring bracket；With damping shock resistance effect, prevent impact from causing
Damage.
Brief description of the drawings
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail, wherein
Fig. 1 is structural representation of the invention；
Fig. 2 is the enlarged diagram at A in Fig. 1；
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the present invention has feed motor reducer 2 and the screw(-type) feeder being arranged on support 1；Support 1
Section be in inverted " t " font；Screw(-type) feeder includes the feed bin 3 for being used to deposit material；The two ends of feed bin 3 are by corresponding tight
The bearing holder device 4 of firmware in devices connection, be coaxially arranged with the top of hank knotting axle 5, the feed end of feed bin 3 in feed bin 3 be provided with
The discharging opening 7 connected with feed bin 3 is provided with below the charging aperture 6 that feed bin 3 is connected, discharge end；One end of hank knotting axle 5 and feed
The rotating shaft of motor reducer 2 is connected；Uniform impeller or helical blade on the periphery of hank knotting axle 5；Positioned at screw(-type) feeder and branch
Weighing mechanism is installed between frame 1；The center of gravity of center correspondence feed both the motor reducer 2 and screw(-type) feeder of Weighing mechanism
Set, Weighing mechanism includes scale body bracket 8, weighing sensor 9 and the scale body support frame 10 set gradually from top to bottom；Weigh biography
Sensor 9 has four, and is distributed in four angular positions of scale body bracket 8；Scale body bracket 8 passes through support block 11 and screw feeder
Machine is connected.
Motor reducer 2 is fixedly installed on scale body bracket 8 by cushion block 12 and corresponding fastener, motor reducer 2
Rotating shaft be connected by yielding coupling 13 with hank knotting axle 5.
The other end of hank knotting axle 5 is provided with velocity sensor 14.
Bearing holder device 4 is included in the bearing (ball) cover, bearing and the bearing that set gradually and be connected by fastener from outside to inside
Lid；Oldham coupling 15 is additionally provided with axis between bearing (ball) cover and bearing.
The feed end of feed bin 3 is provided with suspension bracket 16；Suspension bracket 16 is welded or is fixed on by fastener on scale body support frame 10.
It is provided with around weighing sensor 9 in sensor protection support 17, weighing sensor 9 and spring 19 is installed；Bullet
The upper end of spring 19 is in contact with sensor support frame 18, and lower end is provided with spring bracket 20.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
1. a kind of screw feeder scale, with the feed motor reducer being arranged on support and screw(-type) feeder；The spiral is given
Material machine includes the feed bin for being used to deposit material；The bearing block that the two ends of the feed bin are connected by corresponding attachment means is filled
Put, be coaxially arranged with the top of hank knotting axle, feed bin feed end and be provided with the charging aperture connected with feed bin, discharge end in feed bin
Side is provided with the discharging opening connected with feed bin；Rotating shaft of the one end of the hank knotting axle with being fed motor reducer is connected；Its feature
It is：Uniform impeller or helical blade on the periphery of the hank knotting axle；Title is installed between screw(-type) feeder and support
Heavy-duty machine structure；The center of gravity of center correspondence feed both the motor reducer and screw(-type) feeder of the Weighing mechanism is set, weigher
Structure includes scale body bracket, weighing sensor and the scale body support frame set gradually from top to bottom；The weighing sensor has four
It is individual, and it is distributed in four angular positions of scale body bracket；The scale body bracket is connected by support block with screw(-type) feeder.
2. screw feeder scale according to claim 1, it is characterised in that：The motor reducer passes through cushion block and corresponding
Fastener is fixedly installed on scale body bracket, and the rotating shaft of motor reducer is connected by yielding coupling with hank knotting axle.
3. screw feeder scale according to claim 1 or 2, it is characterised in that：The other end of the hank knotting axle is provided with speed
Spend sensor.
4. screw feeder scale according to claim 3, it is characterised in that：The bearing holder device is included from outside to inside successively
Bearing (ball) cover, bearing and the internal bearing cover for setting and being connected by fastener；On axis between the bearing (ball) cover and bearing
It is additionally provided with oldham coupling.
5. screw feeder scale according to claim 3, it is characterised in that：The feed end of the feed bin is provided with suspension bracket；It is described
Suspension bracket is welded or is fixed on by fastener on scale body support frame.
6. screw feeder scale according to claim 4, it is characterised in that：Sensing is installed around the weighing sensor
Spring is installed in device protective cradle, weighing sensor；The spring upper end is in contact with sensor support frame, and lower end is provided with spring
Support.
7. screw feeder scale according to claim 6, it is characterised in that：The section of the support is in inverted " t " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484575.9A CN107131935A (en) | 2017-06-23 | 2017-06-23 | Screw feeder scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484575.9A CN107131935A (en) | 2017-06-23 | 2017-06-23 | Screw feeder scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107131935A true CN107131935A (en) | 2017-09-05 |
Family
ID=59736983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710484575.9A Pending CN107131935A (en) | 2017-06-23 | 2017-06-23 | Screw feeder scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131935A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357737A (en) * | 2018-09-21 | 2019-02-19 | 嘉善天晟精密铸件有限公司 | A kind of screw(-type) feeder and Weighing force transmission mechanism |
-
2017
- 2017-06-23 CN CN201710484575.9A patent/CN107131935A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357737A (en) * | 2018-09-21 | 2019-02-19 | 嘉善天晟精密铸件有限公司 | A kind of screw(-type) feeder and Weighing force transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170905 |
|
| WD01 | Invention patent application deemed withdrawn after publication |