CN209181896U - A kind of precision weighing apparatus - Google Patents
A kind of precision weighing apparatus Download PDFInfo
- Publication number
- CN209181896U CN209181896U CN201821570837.XU CN201821570837U CN209181896U CN 209181896 U CN209181896 U CN 209181896U CN 201821570837 U CN201821570837 U CN 201821570837U CN 209181896 U CN209181896 U CN 209181896U
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- China
- Prior art keywords
- additive
- weigh hopper
- opening
- temporary container
- main pipe
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- 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.)
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- 238000005303 weighing Methods 0.000 title claims abstract description 46
- 239000000654 additive Substances 0.000 claims abstract description 75
- 230000000996 additive effect Effects 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000011084 recovery Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 9
- 230000003319 supportive effect Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model discloses a kind of precision weighing apparatus, including additive cabinet, the pump housing, main pipe road and weighing device, is connected with temporary container on the main pipe road；The weighing device includes mounting bracket, weigh hopper, driving means；The driving means includes piston, driving unit；The piston is equipped with the first opening and the second opening, it is connect respectively by the first hose and the second hose with the main pipe road and sub-pipes in the first opening and the second opening, the first solenoid valve and second solenoid valve is respectively equipped in the first opening and the second opening.Thin title after the utility model realization is first thick, improves the accuracy that additive weighs；The additive after the completion of weighing is pushed in concrete by the driving means, prevents additive to be adhered on weigh hopper wall, the additive for actually entering concrete is caused to be significantly less weight than setting weight, particularly with the higher liquid additive of viscosity.
Description
Technical field
The utility model belongs to concrete production equipment technical field more particularly to a kind of precision weighing apparatus.
Background technique
For concrete mixing plant in production, the weighing accuracy of additive has direct influence to the quality of concrete, and
Additive proportion in concrete proportioning is less therefore how to control one that weighing error is concrete mixing plant design
Key point.
Chinese CN201620597196.1 patent discloses a kind of concrete mixing plant additive primary and secondary meausring apparatus, packet
Include admixture box, the pump housing, main pipe road and weigh hopper.Temporary container is connected on main pipe road, the bottom of temporary container, which is equipped with, inclines
Oblique transition face is equipped with the sub-pipes for leading to weigh hopper with plane, slant transition surface is sunk to the bottom, and sub-pipes are equipped with solenoid valve, sinks
Baseplane is equipped with sewage pipe, and sewage pipe lower end is equipped with sealing spiral cover.Heating device and buffering inclined plate, buffering are equipped in temporary container
Inclined plate is located above heating device.Main pipe road is realized and is quickly slightly fed into weigh hopper, and solenoid valve and sealing spiral cover are closed,
So that additive is full of temporary container, solenoid valve is opened, so that additive carries out accurate feeding to weigh hopper by sub-pipes,
This concrete mixing plant additive primary and secondary meausring apparatus structure is simple, reduce cost, weighing accuracy is improved.Energy in the device
The weight of enough accurate weighing additives in weigh hopper, when concrete is added, a large amount of additive is attached to weigh hopper
On side wall, cause the additional amount of additive much smaller than setting value.
Existing concrete mixing plant additive weighing device is carried out high-volume by extra heavy pipe, and weighing error is larger；Or it uses
The slow blowing of tubule improves accuracy, but elapsed time is longer；For liquid additive in blowing, more additive adherency
On weigh hopper wall, causes practical blowing amount much smaller than set amount, influence the quality of concrete.Therefore, continue to be badly in need of design
A kind of precision weighing apparatus is to solve the above problems.
Utility model content
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of precision weighing apparatus, passes through institute
Main pipe road and the first thick rear thin title of temporary container realization are stated, the accuracy that additive weighs is improved；It will be claimed by the driving means
Additive after the completion of amount pushes in concrete, and additive is prevented to be adhered on weigh hopper wall, causes to actually enter coagulation
The additive of soil is significantly less weight than setting weight, particularly with the higher liquid additive of viscosity；The driving means can be with
The increase and decrease of additive moves up and down in the weigh hopper, makes additive and air exclusion, extends the storage time of additive.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
The utility model provides a kind of precision weighing apparatus, including sequentially connected additive cabinet, the pump housing, main pipe road and
Weighing device, the main pipe road lead to above the weighing device, and the outlet section in main pipe road is vertically-mounted；Connect on the main pipe road
It is connected to temporary container, the temporary container bottom is equipped with the sub-pipes led to above weighing device, and the sub-pipes are distributed vertically；
The weighing device includes mounting bracket, the weigh hopper being mounted in the mounting bracket, for will be in the weigh hopper
Liquid discharge driving means, the weigh hopper bottom be equipped with discharge port, top be uncovered structure, the weigh hopper bottom
Portion is equipped with weight sensor；The driving means includes piston compatible with the weigh hopper internal diameter, is mounted on the peace
For driving piston to be pressed down against the driving unit of liquid on dress bracket；The piston is equipped with the first opening and the second opening,
It is connect respectively by the first hose and the second hose with the main pipe road and sub-pipes in the first opening and the second opening, institute
It states and is respectively equipped with the first solenoid valve and second solenoid valve in the first opening and the second opening；The sub-pipes are equipped with force (forcing) pump,
The device that is precisely weighed further includes for controlling the pump housing, force (forcing) pump, driving unit, the first solenoid valve, second solenoid valve
The controller of work.
The working principle described in the utility model for being precisely weighed device are as follows: liquid additive is stored in the admixture box
In vivo, the transport portion liquid additive into the temporary container, is stored in the temporary container；The first solenoid valve is opened,
Liquid additive is conveyed into weigh hopper by the pump housing slightly to be claimed, when close to the weight of setting additive, the control
Device controls first solenoid valve and the pump housing is closed, and controls the second solenoid valve and force (forcing) pump is opened, make the temporary container
Interior liquid additive enters in the weigh hopper and is carefully claimed, when the weight of additive in the weigh hopper reaches setting
Additive weight when, controller control second solenoid valve and force (forcing) pump are closed；Outside being added into the weigh hopper
During adding agent, the driving means is moved upwards with the additional amount increase of liquid additive；Liquid additive weighing is completed
Afterwards, the discharge port of weigh hopper bottom is opened, controller, which controls the driving unit, makes piston moves downward to squeeze liquid application
Agent, until liquid additive is all discharged from the weigh hopper.Liquid additive is prevented to be adhered to the weigh hopper wall
On, it causes the amount that concrete is added to be less than setting value, influences the quality of concrete, while liquid additive being avoided to cause to waste.
Rotary shaft is equipped in the temporary container, the both ends of the rotary shaft pass through bearing respectively and are fixed on the temporary appearance
On the top and bottom of device, the rotary shaft top is equipped with moving blade, and the rotary shaft lower part is connected with stirring rod；Described turn
Movable vane piece is opposite with the feed inlet of temporary container, and the moving blade rotates under the impact of liquid additive, to drive institute
State rotary shaft and stirring rod rotation.
Rotating vane is equipped in the temporary container, liquid additive impacts the moving blade in dropping process makes institute
Stating moving blade rotation drives the rotary shaft 18 to rotate, so that the stirring rod be made to rotate, prevents in the temporary container
Liquid additive uneven concentration.
The temporary container bottom is equipped with recovery port, is connected with recovery tube between the recovery port and the additive cabinet
Road.After the completion of liquid additive weighs, extra liquid additive is flowed back into described by recovery channel in the temporary container
In admixture box body, avoid wasting.
The driving unit includes screw rod, and is mounted in the mounting bracket and matches with the screw rod for making spiral shell
The gear that bar moves in the vertical direction；The bracket is equipped with the sleeve being set on the screw rod for playing a supportive role.
Rotated by gear described in the motor control, so that the screw rod be driven to move in the vertical direction, on the one hand for liquid outside
Add agent that the weigh hopper is discharged and power is provided, on the other hand enters the weigh hopper for promotion liquid additive.
The driving unit is the telescopic cylinder being mounted in the mounting bracket.
The weigh hopper upper inside wall is equipped with the limited block for preventing the piston and weigh hopper to be detached from.
Flowmeter is respectively equipped on the outlet section and sub-pipes in the main pipe road.By flowmeter, further accurately control is outer
Add the amount of agent.
The temporary container top is equipped with height sensor.It is monitored outside the temporary liquid in containers by height sensor
The capacity for adding agent avoids the amount deficiency of additive in the temporary container from influencing additive and weighs.
Third solenoid valve is equipped at the feed inlet of the temporary container.When the temporary container is fed, the first electromagnetism is closed
Valve and second solenoid valve open third solenoid valve, liquid additive are conveyed into the temporary container by the pump housing, in institute
It states and venthole is set on temporary container, keep inner and outer air pressure constant, guarantee that liquid additive can smoothly enter into the temporary appearance
In device.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model prevents liquid additive to be adhered to institute by the way that driving means is arranged in the weigh hopper
It states on weigh hopper wall, causes the amount that concrete is added to be less than setting value, the quality of image concrete, while avoiding liquid application
Agent causes to waste；
(2) the utility model is equipped with rotating vane in the temporary container, and liquid additive impacts in dropping process
The moving blade makes the moving blade rotation that the rotary shaft rotation be driven to prevent institute so that the stirring rod be made to rotate
The liquid additive uneven concentration in temporary container is stated, guarantees the quality of additive；
(3) after the completion of the utility model liquid additive weighs, extra liquid additive passes through in the temporary container
Recovery channel flows back into the admixture box body, avoids wasting；
(4) the utility model is rotated by gear described in the motor control, to drive the screw rod in vertical direction
On the one hand upper movement is discharged the weigh hopper for liquid additive and provides power, on the other hand for promote liquid additive into
Enter the weigh hopper；
(5) the utility model monitors the capacity of the temporary liquid in containers additive by height sensor, avoids institute
The amount deficiency for stating additive in temporary container influences additive and weighs；
(6) the utility model structure novel, is capable of the weight of accurate weighing liquid additive, while can guarantee to enter mixed
The amount of additive is consistent with weighed amount in solidifying soil.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of precision weighing apparatus described in the utility model；
In figure: 1, additive cabinet；2, the pump housing；3, main pipe road；4, container is kept in；5, sub-pipes；6, mounting bracket；7, claim
Heavy burder bucket；8, discharge port；9, piston；10, driving unit；11, the first opening；12, the second opening；13, the first hose；14,
Two hoses；15, the first solenoid valve；16, second solenoid valve；17, controller；18, rotary shaft；19, moving blade；20, stirring rod；
21, recovery port；22, recovery channel；23, screw rod；24, gear；25, sleeve.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its
Its embodiment, fall within the protection scope of the utility model.
Embodiment 1
The present embodiment provides a kind of precision weighing apparatus, including sequentially connected additive cabinet 1, the pump housing 2, main pipe road 3
And weighing device, the main pipe road 3 lead to above the weighing device, the outlet section in main pipe road 3 is vertically-mounted；The main pipe road
Temporary container 4 is connected on 3, temporary 4 bottom of container is equipped with the sub-pipes 5 led to above weighing device, the sub-pipes 5
Vertical distribution；The weighing device includes mounting bracket 6, the weigh hopper 7 being mounted in the mounting bracket 6, is used for institute
The driving means of the liquid discharge in weigh hopper 7 is stated, 7 bottom of weigh hopper is equipped with discharge port 8, top is open knot
Structure, 7 bottom of weigh hopper are equipped with weight sensor；The driving means includes being adapted with 7 internal diameter of weigh hopper
Piston 9, be mounted in the mounting bracket 6 for the driving unit 10 that drives piston 9 to be pressed down against liquid；The piston 9
It is equipped with the first opening 11 and the second opening 12, passes through 13 He of the first hose respectively in first opening 11 and the second opening 12
Second hose 14 is connect with the main pipe road 3 and sub-pipes 5, is respectively equipped with first in first opening 11 and the second opening 12
Solenoid valve 15 and second solenoid valve 16；The sub-pipes 5 are equipped with force (forcing) pump, and the device that is precisely weighed further includes for controlling
The controller 17 that the pump housing 2, force (forcing) pump, driving unit 10, the first solenoid valve 15, second solenoid valve 16 work.
Be equipped with rotary shaft 18 in the temporary container 4, the both ends of the rotary shaft 18 pass through respectively bearing be fixed on it is described
On the top and bottom of temporary container 4,18 top of rotary shaft is equipped with moving blade 19, and 18 lower part of rotary shaft is connected with
Stirring rod 20；The moving blade 19 is opposite with the feed inlet of temporary container 4, rotates under the impact of liquid additive, thus
The rotary shaft 18 and stirring rod is driven to rotate.
The driving unit 10 includes screw rod 23, and is mounted in the mounting bracket 6 and matches with the screw rod 23
Gear 24 for moving screw rod 23 in the vertical direction；The bracket is equipped with to be set on the screw rod and has been used to support
The sleeve 25 of effect.
7 upper inside wall of weigh hopper is equipped with the limited block for preventing the piston 9 to be detached from weigh hopper 7.
The present embodiment is first carefully claimed after thick title by main pipe road 3 and the first interior charging of the weigh hopper 7 backward of temporary container 4,
Realize accurate weighing；7 bottom of weigh hopper is equipped with weight sensor, when no liquid additive in the weigh hopper 7,
The piston 9 is bonded with the weigh hopper 7, and the weight value for recording weight sensor at this time is zero；The weigh hopper 7 is fed
When, the gear 24 rotates driven by the motor makes screw rod 23 that the piston 9 be driven to move upwards, and prevents air from entering always
In weigh hopper 7.
Embodiment 2
The present embodiment provides a kind of precision weighing apparatus, compared with Example 1, the difference is that, the temporary container 4
Bottom is equipped with recovery port 21, is connected with recovery channel 22 between the recovery port 21 and the additive cabinet 1；The driving is single
Member is the telescopic cylinder being mounted in the mounting bracket 6；Stream is respectively equipped on the outlet section and sub-pipes 5 in the main pipe road 3
Meter；4 bottom of temporary container is equipped with height sensor；Third solenoid valve is equipped at the feed inlet of the temporary container 4.
After the completion of weighing, extra liquid additive is recycled to additive cabinet 1 by recovery channel 22 in temporary container 4
It is interior；The telescopic cylinder moves in the vertical direction under the control of the controller 17.
Embodiment 3
The present embodiment provides a kind of precision weighing apparatus, compared with Example 1, the difference is that, the weigh hopper 7
For transparent tank body, 7 side wall of weigh hopper is equipped with graduation mark in the vertical direction.
Transparent tank body is set by the weigh hopper 7, then is able to observe that by graduation mark into the weigh hopper 7
The volume of interior liquid additive is further ensured that accurate weighing to obtain the weight of liquid additive.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of precision weighing apparatus, including sequentially connected additive cabinet (1), the pump housing (2), main pipe road (3) and weighing dress
It sets, the main pipe road (3) is led to above the weighing device, and the outlet section of main pipe road (3) is vertically-mounted；The main pipe road (3)
On be connected with temporary container (4), temporary container (4) bottom, which is equipped with, leads to sub-pipes (5) above weighing device, the son
Pipeline (5) is distributed vertically；It is characterized in that, the weighing device includes mounting bracket (6), is mounted on the mounting bracket (6)
On weigh hopper (7), for by the weigh hopper (7) liquid discharge driving means, weigh hopper (7) bottom
Portion is equipped with discharge port (8), top is uncovered structure, and weigh hopper (7) bottom is equipped with weight sensor；The driving means
Including piston (9) compatible with the weigh hopper (7) internal diameter, it is mounted on the mounting bracket (6) for driving piston
(9) it is pressed down against the driving unit (10) of liquid；The piston (9) is equipped with the first opening (11) and the second opening (12), institute
It states in the first opening (11) and the second opening (12) respectively by the first hose (13) and the second hose (14) and the main pipe road
(3) it is connected with sub-pipes (5), first opening (11) and second is open on (12) and is respectively equipped with the first solenoid valve (15) and the
Two solenoid valves (16)；The device that is precisely weighed further includes for controlling the pump housing (2), driving unit (10), the first electromagnetism
The controller (17) that valve (15), second solenoid valve (16) work.
2. a kind of precision weighing apparatus according to claim 1, which is characterized in that be equipped with rotation in the temporary container (4)
Shaft (18), the both ends of the rotary shaft (18) pass through bearing respectively and are fixed on the top and bottom of the temporary container (4),
Rotary shaft (18) top is equipped with moving blade (19), and rotary shaft (18) lower part is connected with stirring rod (20)；Described turn
Movable vane piece (19) is opposite with the feed inlet of temporary container (4), and the moving blade (19) rotates under the impact of liquid additive,
To drive the rotary shaft (18) and stirring rod to rotate.
3. a kind of precision weighing apparatus according to claim 1, which is characterized in that temporary container (4) bottom is equipped with
Recovery port (21) is connected with recovery channel (22) between the recovery port (21) and the additive cabinet (1).
4. a kind of precision weighing apparatus according to claim 1, which is characterized in that the driving unit (10) includes screw rod
(23), it and is mounted on the mounting bracket (6) and matches with the screw rod (23) for making screw rod (23) in vertical direction
The gear (24) of upper movement；The bracket is equipped with the sleeve (25) being set on the screw rod (23) for playing a supportive role.
5. a kind of precision weighing apparatus according to claim 1, which is characterized in that the driving unit is described to be mounted on
Telescopic cylinder in mounting bracket (6).
6. a kind of precision weighing apparatus according to claim 1, which is characterized in that weigh hopper (7) upper inside wall
Equipped with the limited block for preventing the piston (9) and weigh hopper (7) to be detached from.
7. a kind of precision weighing apparatus according to claim 1, which is characterized in that the outlet section of the main pipe road (3) and
Sub-pipes are respectively equipped with flowmeter on (5).
8. a kind of precision weighing apparatus according to claim 1, which is characterized in that be equipped at the top of the temporary container (4)
Height sensor.
9. a kind of precision weighing apparatus according to claim 1, which is characterized in that the feed inlet of the temporary container (4)
Place is equipped with third solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570837.XU CN209181896U (en) | 2018-09-26 | 2018-09-26 | A kind of precision weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570837.XU CN209181896U (en) | 2018-09-26 | 2018-09-26 | A kind of precision weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209181896U true CN209181896U (en) | 2019-07-30 |
Family
ID=67360203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821570837.XU Active CN209181896U (en) | 2018-09-26 | 2018-09-26 | A kind of precision weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209181896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252432A (en) * | 2021-05-19 | 2021-08-13 | 贵州大学 | Laboratory concrete test piece standardization and automatic preparation device |
-
2018
- 2018-09-26 CN CN201821570837.XU patent/CN209181896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252432A (en) * | 2021-05-19 | 2021-08-13 | 贵州大学 | Laboratory concrete test piece standardization and automatic preparation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430000, No. 3 Xianglushan Industrial Park, Tonghu Office, Caidian District, Wuhan City, Hubei Province Patentee after: Miguel (Wuhan) Construction Technology Co.,Ltd. Country or region after: China Address before: 430000, no.080, entrepreneurship base, Wuhan Software Engineering Vocational College, No.117, Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: CHUYU (WUHAN) TECHNOLOGY Co.,Ltd. Country or region before: China |