CN220261477U - Dustproof feeding device for concrete mixer - Google Patents
Dustproof feeding device for concrete mixer Download PDFInfo
- Publication number
- CN220261477U CN220261477U CN202321371185.8U CN202321371185U CN220261477U CN 220261477 U CN220261477 U CN 220261477U CN 202321371185 U CN202321371185 U CN 202321371185U CN 220261477 U CN220261477 U CN 220261477U
- Authority
- CN
- China
- Prior art keywords
- feeding
- hopper
- dust
- sleeve
- feeding hopper
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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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- 239000000428 dust Substances 0.000 claims abstract description 28
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a dustproof feeding device for a concrete mixer, which belongs to the technical field of dust removing equipment and comprises a feeding hopper, wherein an isolation cavity is arranged in the feeding hopper, a rotating shaft is arranged in the isolation cavity, a plurality of turning plates are arranged on the rotating shaft, raw materials fall into the isolation cavity to drive a plurality of turning plates to turn over and then fall into a mixer or a feeding well, a plurality of turning plates can block a large amount of dust below the isolation cavity to prevent the dust from overflowing upwards, an induced draft fan can be driven to work when the rotating shaft rotates so as to further absorb the dust outside the feeding hopper, an operation vehicle or a person is positioned on a pressing plate in front of the feeding hopper when feeding, the pressing plate is pressed down and drives an arc-shaped cover plate on the feeding hopper to rotate backwards through a linkage rod, so that a feeding port is opened, and after the operation vehicle or the person leaves the pressing plate, the pressing plate is driven to rotate and reset, the arc-shaped cover plate is driven to rotate forwards, and the feeding port can be closed automatically and timely.
Description
Technical Field
The utility model relates to the technical field of dust removal equipment, in particular to a dust-proof feeding device for a concrete mixer.
Background
The concrete is prepared by adding water into raw materials such as sand, stones, cement and the like and stirring, and because the raw materials easily generate a large amount of dust during pouring and feeding, the production site environment of the concrete is severe, the health of operators is endangered, and serious pollution is caused to air.
The existing dust removing mode is to add a complete set of dust removing equipment, such as a pulse type bag-type dust remover, at the feed port, and the dust removing equipment has high manufacturing cost and consumes additional electric energy, so that the production cost is greatly increased.
Disclosure of Invention
The utility model aims at the technical problem and provides a dustproof feeding device for a concrete mixer, which can realize the effect of preventing feeding and dust emission at lower cost.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the dustproof feeding device for the concrete mixer comprises a feeding hopper, wherein a feeding port is formed in the top surface of the feeding hopper, a blanking port is formed in the bottom of the feeding hopper, an isolation cavity is formed in the feeding hopper, and the longitudinal section of the isolation cavity is circular;
the feeding port is positioned obliquely above the isolation cavity, and the blanking port is positioned below the isolation cavity;
the feeding hopper is connected with a rotating shaft along the axial rotation of the isolation cavity, a plurality of turning plates are uniformly arranged on the peripheral side face of the rotating shaft, and the turning plates are in sliding fit with the peripheral side wall of the isolation cavity.
As an optimal technical scheme, a rotary damper is arranged at the rotary connection part of the feeding hopper and the rotating shaft.
As the preferable technical scheme, the top surface of throwing the hopper is the arc, the throwing hopper top is equipped with the arc apron, the arc apron with the top surface sliding fit of throwing the hopper.
As the preferable technical scheme, the side wall of the feeding hopper is fixedly connected with a fixed shaft along the axial direction of the arc-shaped cover plate, a rotating shaft sleeve is rotationally connected on the fixed shaft, and a connecting rod is fixedly connected between the rotating shaft sleeve and the arc-shaped cover plate.
As an optimal technical scheme, a bottom plate is arranged in front of the feeding hopper, a pressing plate is arranged on the bottom plate, one end, away from the feeding hopper, of the pressing plate is rotationally connected to the bottom plate, and the other end is rotationally connected with a linkage rod;
a rocker arm is fixedly connected to the rotating shaft sleeve, and one end of the linkage rod is rotationally connected with the rocker arm;
a spring rod is arranged between the bottom plate and the pressing plate, one end of the spring rod is rotationally connected to the bottom plate, and the other end of the spring rod is rotationally connected to the pressing plate.
As the preferable technical scheme, the spring rod comprises a sleeve, a sleeve rod and a spring, wherein the sleeve is in sliding sleeve joint with the sleeve rod, and the spring is arranged inside the sleeve.
As the preferable technical scheme, the upper portion intercommunication of throwing the hopper has the dust absorption pipe, the one end of dust absorption pipe is located throw the hopper inside, and install the filter screen, the other end intercommunication has the draught fan.
As the preferable technical scheme, a large belt pulley is fixedly connected to the rotating shaft, a small belt pulley is fixedly connected to the power input end of the induced draft fan, and a transmission belt is connected between the large belt pulley and the small belt pulley.
Compared with the prior art, the utility model has the following advantages:
1. through setting up the isolation cavity in the throwing hopper inside to the rotation sets up the pivot in the isolation cavity, utilizes a plurality of turning plates in the pivot to block the raise dust, can keep apart most raise dust in the below in the isolation cavity, has obvious dustproof effect.
2. The rotating shaft and the turning plate are driven to rotate by the self gravity of raw materials, and the rotating force of the rotating shaft is further transmitted to the induced draft fan, so that the induced draft fan can be driven to work automatically, flying dust floating outside the charging hopper is absorbed, extra electric energy is not required to be consumed, and the cost is saved.
3. By means of the self-gravity downward pressing plate of the working vehicle or the personnel, the arc-shaped cover plate on the feeding hopper is driven to rotate through the linkage rod, the automatic opening of the feeding port during feeding is realized, the feeding is completed or a feeding gap is formed, and the feeding port can be automatically and timely closed.
4. The feeding device has the advantages of simple integral structure, low manufacturing cost and economy and applicability compared with the existing dust removing equipment.
Drawings
FIG. 1 is a schematic view showing the structure of an opening state of a dust-proof feeding device for a concrete mixer;
FIG. 2 is a schematic view showing a structure of a dust-proof feeding device for a concrete mixer in a closed state;
FIG. 3 is a side cross-sectional view of the hopper of FIG. 1;
FIG. 4 is a side cross-sectional view of the spring rod of FIG. 1.
In the drawing the view of the figure,
10-a charging hopper; 11-isolating the cavity; 12-a feed inlet; 13-blanking port; 14-a fixed shaft; 20-rotating shaft; 21-turning plate; 22-large pulleys; 30-a rotary damper; 40-arc cover plate; 41-rotating the shaft sleeve; 42-connecting rods; 43-rocker arm; 50-a bottom plate; 51-pressing plate; 52-linkage rod; 53-spring rod; 531-sleeve; 532-loop bar; 533-spring; 60-a dust collection pipe; 61-filtering the mixture; 70-induced draft fan; 71-a small pulley; 80-a drive belt.
Detailed Description
The following detailed description of the utility model will be made with reference to the accompanying drawings.
As shown in fig. 1-4, a dustproof feeding device for a concrete mixer comprises a feeding hopper 10, wherein the feeding hopper 10 is arranged above a concrete mixer or a feeding well, a feeding port 12 is arranged on the top surface of the feeding hopper 10, a blanking port 13 is arranged at the bottom of the feeding hopper, an isolation cavity 11 is communicated between the feeding port 12 and the blanking port 13, and raw materials such as sand, stones and cement which are fed from the feeding port 12 can fall into the concrete mixer or the feeding well from the blanking port 13 after passing through the isolation cavity 11.
The vertical cross section of keeping apart chamber 11 sets up to circularly, the axial rotation along keeping apart chamber 11 on the feeding hopper 10 is connected with pivot 20, the week side of pivot 20 evenly is equipped with a plurality of turns over board 21, a plurality of turns over board 21 and the circumference lateral wall sliding fit of keeping apart chamber 11, set up the feed inlet 12 in the oblique top of keeping apart chamber 11, blanking mouth 13 sets up in the below of keeping apart chamber 11, after the raw and other materials fall to keeping apart intracavity 11, utilize its own gravity, can push down turns over board 21 makes it overturn, drive all turns over board 21 rotations on pivot 20 and the pivot 20, make a plurality of turns over boards 21 accept and downwards carry the raw and other materials in turn, simultaneously utilize a plurality of turns over board 21 to block the raise dust to upwards spill over, can keep apart the below at keeping apart chamber 11 with most raise dust, can effectively improve the operational environment of throwing material personnel, reduce air pollution.
Preferably, in order to avoid that the rotation speed of the rotation shaft 20 and the turning plate 21 is too high, so that the raw material is difficult to fall into the isolation cavity 11, a rotation damper 30 is arranged at the rotation connection part of the hopper 10 and the rotation shaft 20, so that the rotation shaft and the turning plate 21 keep rotating at a low speed.
The upper portion of the feeding hopper 10 is communicated with a dust suction pipe 60, one end of the dust suction pipe 60 is positioned in the feeding hopper 10 and is provided with a filter screen 61, the other end of the dust suction pipe 60 is communicated with an induced draft fan 70, a small belt pulley 71 is fixedly connected to a power input end of the induced draft fan 70, a large belt pulley 22 is fixedly connected to a rotating shaft 20, the large belt pulley 22 is connected with the small belt pulley 71 through a transmission belt 80, the induced draft fan 70 can be driven to rotate to work simultaneously when the rotating shaft 20 rotates, the large belt pulley 22 drives the small belt pulley 71, the transmission ratio can be improved, the induced draft fan 70 generates higher rotating speed, and therefore larger suction force is obtained, when the induced draft fan 70 works, negative pressure can be generated in the feeding hopper 10, and flying dust floating outside the feeding hopper 10 can be sucked into the feeding hopper 10 under the action of the negative pressure, and the dustproof effect of the feeding device in a use state is further improved.
The top surface of the feeding hopper 10 is arc-shaped, an arc-shaped cover plate 40 is arranged above the feeding hopper 10, the arc-shaped cover plate 40 is in sliding fit with the top surface of the feeding hopper 10, a fixed shaft 14 is fixedly connected to the side wall of the feeding hopper 10 along the axial direction of the arc-shaped cover plate 40, a rotating shaft sleeve 41 is rotatably connected to the fixed shaft 14, a connecting rod 42 is fixedly connected between the rotating shaft sleeve 41 and the arc-shaped cover plate 40, and the arc-shaped cover plate 40 can rotate around the fixed shaft 14 forwards and backwards by a certain angle, so that the feeding port 12 can be opened or closed.
Based on the above structure, the bottom plate 50 is horizontally paved on the ground in front of the hopper 10, the bottom plate 50 is provided with the pressing plate 51, one end of the pressing plate 51, far away from the hopper 10, is rotationally connected to the bottom plate 50, a spring rod 53 is arranged between the bottom plate 50 and the pressing plate 51, the spring rod 53 comprises a sleeve 531, a sleeve rod 532 and a spring 533, the sleeve 531 is in sliding sleeve joint with the sleeve rod 532, the spring 533 is arranged inside the sleeve 531 and is used for enabling the sleeve 531 and the sleeve rod 532 to have a reverse sliding elastic trend, one end of the sleeve 531, far away from the sleeve rod 532, is rotationally connected to the bottom plate 50, one end of the sleeve rod 532, far away from the sleeve 531, is rotationally connected to the pressing plate 51, the pressing plate 51 is supported by the spring rod 53, and the pressing plate 51 can be inclined upwards by a certain angle.
The swing shaft sleeve 41 is fixedly connected with a swing arm 43, a linkage rod 52 is arranged between the swing arm 43 and the pressing plate 51, one end of the linkage rod 52 is rotatably connected to the swing arm 43, and the other end is rotatably connected to one end of the pressing plate 51, which is close to the feeding hopper 10.
When the feeding operation is performed, the operation vehicle or personnel approaches the feeding hopper 10, firstly, the operation vehicle or personnel moves to the pressing plate 51, the pressing plate 51 is pressed down by the gravity of the vehicle or personnel, the pressing plate 51 rotates downwards, the rocker arm 43 is pulled downwards by the linkage rod 52, the rotating shaft sleeve 41 rotates, the arc cover plate 40 is driven to rotate backwards, the feeding port 12 is opened, the feeding is completed or a feeding gap is formed, the vehicle or personnel leaves the pressing plate 51, the pressing plate 51 can be rotated upwards by the spring rod 53 to reset, the rocker arm 43 is pushed upwards by the linkage rod 52, the rotating shaft sleeve 41 and the arc cover plate 40 are driven to rotate forwards, the feeding port 12 is automatically closed, and dust is prevented from overflowing inside the feeding hopper 10 in a non-working state.
While there has been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but is described in the foregoing description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. The utility model provides a concrete mixer is with dustproof feed device, includes throw hopper (10), be equipped with on the top surface of throw hopper (10) and throw feed opening (12), the bottom is equipped with blanking mouth (13), its characterized in that: an isolation cavity (11) is arranged in the charging hopper (10), and the longitudinal section of the isolation cavity (11) is circular;
the feeding port (12) is positioned obliquely above the isolation cavity (11), and the blanking port (13) is positioned below the isolation cavity (11);
a rotating shaft (20) is rotatably connected to the charging hopper (10) along the axial direction of the isolation cavity (11), a plurality of turning plates (21) are uniformly arranged on the peripheral side surface of the rotating shaft (20), and the turning plates (21) are in sliding fit with the peripheral side wall of the isolation cavity (11);
the upper portion intercommunication of throwing hopper (10) has dust absorption pipe (60), dust absorption pipe outer end intercommunication has draught fan (70), the power input end fixedly connected with belt lace wheel (71) of draught fan (70), fixedly connected with big belt pulley (22) on pivot (20), big belt pulley (22) with be connected with driving belt (80) between belt lace wheel (71).
2. A dust-proof feeding device for a concrete mixer according to claim 1, wherein: the rotary damper (30) is arranged at the rotary joint of the feeding hopper (10) and the rotary shaft (20).
3. A dust-proof feeding device for a concrete mixer according to claim 1, wherein: the top surface of the feeding hopper (10) is arc-shaped, an arc-shaped cover plate (40) is arranged above the feeding hopper (10), and the arc-shaped cover plate (40) is in sliding fit with the top surface of the feeding hopper (10).
4. A dust-proof feeding device for a concrete mixer according to claim 3, wherein: the feeding hopper is characterized in that a fixed shaft (14) is fixedly connected to the side wall of the feeding hopper (10) along the axial direction of the arc-shaped cover plate (40), a rotating shaft sleeve (41) is connected to the fixed shaft (14) in a rotating mode, and a connecting rod (42) is fixedly connected between the rotating shaft sleeve (41) and the arc-shaped cover plate (40).
5. The dust-proof feeding device for a concrete mixer according to claim 4, wherein: a bottom plate (50) is arranged in front of the feeding hopper (10), a pressing plate (51) is arranged on the bottom plate (50), one end, far away from the feeding hopper (10), of the pressing plate (51) is rotationally connected to the bottom plate (50), and the other end is rotationally connected with a linkage rod (52);
a rocker arm (43) is fixedly connected to the rotating shaft sleeve (41), and one end of the linkage rod (52) is rotationally connected with the rocker arm (43);
a spring rod (53) is arranged between the bottom plate (50) and the pressing plate (51), one end of the spring rod (53) is rotatably connected to the bottom plate (50), and the other end of the spring rod is rotatably connected to the pressing plate (51).
6. The dust-proof feeding device for a concrete mixer according to claim 5, wherein: the spring rod (53) comprises a sleeve (531), a sleeve rod (532) and a spring (533), wherein the sleeve (531) is in sliding sleeve connection with the sleeve rod (532), and the spring (533) is arranged inside the sleeve (531).
7. A dust-proof feeding device for a concrete mixer according to claim 1, wherein: one end of the dust collection pipe (60) is positioned in the charging hopper (10), and a filter screen (61) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371185.8U CN220261477U (en) | 2023-06-01 | 2023-06-01 | Dustproof feeding device for concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371185.8U CN220261477U (en) | 2023-06-01 | 2023-06-01 | Dustproof feeding device for concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220261477U true CN220261477U (en) | 2023-12-29 |
Family
ID=89306676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321371185.8U Active CN220261477U (en) | 2023-06-01 | 2023-06-01 | Dustproof feeding device for concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220261477U (en) |
-
2023
- 2023-06-01 CN CN202321371185.8U patent/CN220261477U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |