CN215115705U - Filling device for accelerating polishing machine - Google Patents
Filling device for accelerating polishing machine Download PDFInfo
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- CN215115705U CN215115705U CN202121506665.1U CN202121506665U CN215115705U CN 215115705 U CN215115705 U CN 215115705U CN 202121506665 U CN202121506665 U CN 202121506665U CN 215115705 U CN215115705 U CN 215115705U
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- material distribution
- rotating shaft
- distribution box
- disc
- stirring impeller
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Abstract
The application discloses a filling device for an accelerated polishing machine, which comprises a funnel, a material distribution box, a material distribution disc and a stepping motor, wherein the material distribution box is arranged on the funnel; the bottom of the funnel is provided with a material distribution box, a material distribution disc is arranged in the material distribution box, and the material distribution disc is of a disc structure; the material distribution disc is provided with a leakage hole for the sand body to pass through; the upper surface of the material distribution box is provided with an upper discharge hole which is communicated with the interior of the hopper, the lower surface of the material distribution box is provided with a lower discharge hole, and the upper discharge hole and the lower discharge hole are symmetrically arranged at two sides of the material distribution plate; the rotating shaft of the distributing disc is connected with the output shaft of the stepping motor; when the distribution disc rotates, the leakage hole forms a virtual ring, and the upper discharge hole and the lower discharge hole are both positioned in the projection plane in the vertical direction of the virtual ring. The problem of the speed when coarse sand and fine sand export is not easy to control among the prior art has been solved in this application. The speed that coarse sand and fine sand were exported is adjusted in the size of this application accessible leak and step motor's rotational speed cooperation, realizes the output of technological requirement.
Description
Technical Field
The application belongs to the technical field of polishing equipment, and particularly relates to a filling device for accelerating a polishing machine.
Background
The accelerated polishing machine is an accessory device which is suitable for simulating the polishing effect of an automobile tire on a road asphalt pavement indoors, carrying out accelerated polishing on aggregates used by the pavement, and evaluating the wear resistance of the aggregates according to the measured polishing value of the aggregates, and is widely used in the field of aggregate wear resistance evaluation; the acceleration polishing machine outputs coarse sand and fine sand according to a set speed through a filling device. When the existing acceleration polishing machine is used, the output speed of coarse sand and fine sand is not easy to control, and the process requirement of the output quantity that the coarse sand speed is 27 +/-7 g/min and the fine sand speed is 3 +/-1 g/min is difficult to achieve, so that the accurate measurement of the aggregate polishing value is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application solves the problem that the speed is not easy to control when coarse sand and fine sand are output in the prior art by providing the filling device for the acceleration polishing machine.
The embodiment of the utility model provides a filling device for accelerating a polishing machine, which comprises a funnel, a material distribution box, a material distribution disc and a stepping motor;
the material distribution box is arranged at the bottom of the funnel, the material distribution plate is arranged in the material distribution box, and the material distribution plate is of a disc structure; the material distribution disc is provided with a leakage hole for the sand body to pass through;
the upper surface of the material distribution box is provided with an upper discharge hole which is communicated with the interior of the hopper, the lower surface of the material distribution box is provided with a lower discharge hole, and the upper discharge hole and the lower discharge hole are symmetrically arranged at two sides of the material distribution plate;
the rotating shaft of the material distribution disc extends out of the material distribution box and then is connected with an output shaft of the stepping motor; when the distributing disc rotates, the leakage holes form a virtual circular ring, and the upper discharging hole and the lower discharging hole are both located in the projection plane of the virtual circular ring in the vertical direction.
In a possible implementation manner, a lower stirring impeller is arranged in the hopper, and a rotating shaft of the lower stirring impeller is positioned right above the upper discharging hole.
In a possible implementation manner, a rotating shaft of the lower stirring impeller is perpendicular to a rotating shaft of the distributing disc, and the rotating shaft of the lower stirring impeller extends out of the hopper and then is connected to a rotating shaft of the first bevel gear;
and the output shaft of the stepping motor is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.
In a possible implementation manner, the stirring device further comprises an upper stirring impeller, wherein the upper stirring impeller is arranged above the lower stirring impeller, and a rotating shaft of the upper stirring impeller is parallel to a rotating shaft of the lower stirring impeller;
and a driven gear on the rotating shaft of the upper stirring impeller is meshed with a driving gear on the rotating shaft of the lower stirring impeller.
In a possible implementation manner, the leakage holes are circular holes, the number of the leakage holes is multiple, and the distance between the axis of each leakage hole and the rotating shaft of the material distribution disc is equal.
In a possible implementation mode, the leakage holes are long circular arc-shaped holes, the number of the leakage holes is two, and the two leakage holes and the rotating shaft of the material distribution disc are in central symmetry.
In a possible implementation manner, an upper labyrinth seal structure is arranged between the upper end face of the material distribution disc and the top wall of the material distribution box, and a lower labyrinth seal structure is arranged between the lower end face of the material distribution disc and the bottom wall of the material distribution box.
In a possible implementation manner, the material distribution disc is mounted on the bottom surface of the material distribution box through a plane bearing, and the plane bearing is arranged on the outer side of the lower labyrinth seal structure.
In a possible embodiment, the discharge pipe is mounted at the lower discharge opening and is arranged in an inclined manner.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the embodiment of the utility model provides a packing device for accelerating buffing machine, the device is when using, at first start step motor, step motor drives the branch charging tray rotation, can add coarse sand and fine sand into the funnel inside this moment, because last discharge opening and lower discharge opening all are located the virtual ring's that forms when the small opening rotates in the plane of projection, when the small opening rotates under the last discharge opening, the inside sand body of funnel gets into the inside of branch charging tray through last discharge opening, then gets into the inside of small opening, the branch charging tray continues to rotate, the lateral wall of small opening drives the sand body in it and makes circular motion, when the small opening is located under the discharge opening, the inside sand body of small opening exports through lower discharge opening, thereby realize the output of coarse sand and fine sand, because the size of small opening and the rotational speed of step motor can be adjusted, and then the speed that the size of small opening and the rotational speed cooperation of step motor can adjust coarse sand and fine sand output, thereby realizing the output quantity required by the process and ensuring that the grinding value of the aggregate can be accurately measured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a filling device for accelerating a polishing machine according to an embodiment of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is a schematic structural view of a material distribution tray according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a filling device for accelerating a polishing machine according to a second embodiment of the present invention.
Fig. 5 is a schematic structural view of a material distribution tray provided by the second embodiment of the present invention.
Reference numerals: 1-a funnel; 2-distributing box; 21-upper discharge hole; 22-lower discharge hole; 3-material distribution disc; 31-a leak hole; 4-a stepper motor; 5-lower stirring impeller; 6-installing a stirring impeller; 7-lower labyrinth seal structure; 8-plane bearings; 9-a discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1 to 5, the filling device for an accelerated polishing machine according to an embodiment of the present invention includes a hopper 1, a material distribution box 2, a material distribution plate 3, and a stepping motor 4.
The bottom of funnel 1 is provided with branch magazine 2, is provided with branch charging tray 3 in the branch magazine 2, divides charging tray 3 to be the disc structure. The material distributing disc 3 is provided with a leakage hole 31 for the sand to pass through.
The upper surface of branch magazine 2 is provided with discharge opening 21, goes up discharge opening 21 and funnel 1's inside intercommunication, and the lower surface of branch magazine 2 is provided with discharge opening 22 down, goes up discharge opening 21 and lower discharge opening 22 symmetry and sets up in the both sides of branch charging tray 3.
The rotating shaft of the distributing disc 3 extends out of the distributing box 2 and then is connected with the output shaft of the stepping motor 4. When the distributing disc 3 rotates, the leakage hole 31 forms a virtual ring, and the upper discharging hole 21 and the lower discharging hole 22 are both positioned in the projection plane of the virtual ring in the vertical direction.
It should be noted that, the interval is kept between the upper end face of the distributing tray 3 and the top wall of the distributing box 2, and between the lower end face of the distributing tray 3 and the bottom wall of the distributing box 2, and the interval is preferably between 2 mm and 4 mm. The diameters of the upper discharging hole 21 and the lower discharging hole 22 are smaller than the minimum width of the leakage hole 31.
When the device is used, the stepping motor 4 is started at first, the stepping motor 4 drives the material distribution disc 3 to rotate, coarse sand and fine sand can be added into the hopper 1 at the moment, and the coarse sand and the fine sand are collectively called as sand bodies below. Because last discharge opening 21 and lower discharge opening 22 all are located the virtual ring's that the small opening 31 formed when rotatory in the plane of projection, when the small opening 31 rotated to the under of last discharge opening 21, the inside sand body of funnel 1 got into the inside of branch magazine 2 through last discharge opening 21, then reentrant inside small opening 31, branch charging tray 3 continues to rotate, the lateral wall of small opening 31 drives the sand body in it and is circular motion, when small opening 31 was located under discharge opening 22, the sand body of small opening 31's inside was exported through lower discharge opening 22, thereby realize the output of coarse sand and fine sand, because the size of small opening 31 and step motor 4's rotational speed can be adjusted, and then the speed that coarse sand and fine sand were exported is adjusted to the cooperation of the size of accessible small opening 31 and step motor 4's rotational speed, thereby realize the output of technological requirement, guarantee that aggregate burnishing value can accurate measurement.
In this embodiment, a lower stirring impeller 5 is provided in the hopper 1, and a rotating shaft of the lower stirring impeller 5 is located right above the upper discharge hole 21.
It should be noted that, when the blades of the lower stirring impeller 5 rotate, the end faces of the blades keep a smaller interval with the upper discharge hole 21, so that after sand inside the funnel 1 enters the interior of the material distribution box 2 through the upper discharge hole 21, the sand above the upper discharge hole 21 cannot be blocked, thereby ensuring that the sand can smoothly enter the interior of the material distribution box 2, and avoiding the problem that coarse sand and fine sand output speed are influenced due to sand blocking.
In this embodiment, the rotating shaft of the lower stirring impeller 5 is perpendicular to the rotating shaft of the material distribution plate 3, and the rotating shaft of the lower stirring impeller 5 extends out of the hopper 1 and then is connected to the rotating shaft of the first bevel gear.
The output shaft of the stepping motor 4 is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.
It should be noted that, through setting up first bevel gear and second bevel gear, can be under the condition that uses a motor, impeller 5 and minute charging tray 3 are rotatory under the drive simultaneously, and then optimized the utility model discloses a structure.
In this embodiment, the stirring device further comprises an upper stirring impeller 6, the upper stirring impeller 6 is disposed above the lower stirring impeller 5, and a rotating shaft of the upper stirring impeller 6 is parallel to a rotating shaft of the lower stirring impeller 5.
The driven gear on the rotating shaft of the upper stirring impeller 6 is meshed with the driving gear on the rotating shaft of the lower stirring impeller 5.
The upper stirring impeller 6 and the lower stirring impeller 5 are coupled to each other to sufficiently stir the coarse sand and the fine sand. Through setting up driven gear and driving gear, can reduce the installation quantity of motor.
In the first embodiment, the holes 31 are circular holes, the number of the holes 31 is multiple, and the distance between the axes of the holes 31 and the rotating shaft of the material distribution plate 3 is equal.
It should be noted that the plurality of weep holes 31 are evenly distributed on the material distribution plate 3, so that the sand can be evenly output.
In the second embodiment, the leakage holes 31 may also be long circular arc-shaped holes, the number of the leakage holes 31 is two, and the two leakage holes 31 are centrosymmetric with the rotating shaft of the distribution disc 3.
It should be noted that the leak hole 31 with the long arc-shaped hole can output more sand bodies at one time.
In this embodiment, an upper labyrinth seal structure is arranged between the upper end surface of the material distribution disc 3 and the top wall of the material distribution box 2, and a lower labyrinth seal structure 7 is arranged between the lower end surface of the material distribution disc 3 and the bottom wall of the material distribution box 2.
It should be noted that the specific structure of the upper labyrinth seal structure and the lower labyrinth seal structure 7 is shown in fig. 3, and the upper labyrinth seal structure and the lower labyrinth seal structure 7 can reduce the condition that sand flows out of the leak hole 31.
In this embodiment, the material distribution disc 3 is mounted on the bottom surface of the material distribution box 2 through the plane bearing 8, and the plane bearing 8 is arranged outside the lower labyrinth seal structure 7.
It should be noted that the plane bearing 8 can make the material distribution plate 3 rotate more stably, and reduce the stress of the rotating shaft of the stepping motor 4. The plane bearing 8 is provided outside the lower labyrinth seal structure 7, and can prevent sand from entering the plane bearing 8.
In this embodiment, the discharging pipe 9 is installed at the lower discharging hole 22, and the discharging pipe 9 is obliquely arranged.
The discharge pipe 9 can guide and convey the sand, and can further stir the sand.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (9)
1. A filling device for accelerating a grinder, comprising: comprises a hopper (1), a material distribution box (2), a material distribution plate (3) and a stepping motor (4);
the material distribution box (2) is arranged at the bottom of the funnel (1), the material distribution plate (3) is arranged in the material distribution box (2), and the material distribution plate (3) is of a disc structure; the material distribution plate (3) is provided with a leakage hole (31) for the sand body to pass through;
an upper discharge hole (21) is formed in the upper surface of the material distribution box (2), the upper discharge hole (21) is communicated with the interior of the funnel (1), a lower discharge hole (22) is formed in the lower surface of the material distribution box (2), and the upper discharge hole (21) and the lower discharge hole (22) are symmetrically arranged on two sides of the material distribution box (3);
a rotating shaft of the distributing disc (3) extends out of the distributing box (2) and then is connected with an output shaft of the stepping motor (4); when the distributing disc (3) rotates, the leakage hole (31) forms a virtual circular ring, and the upper discharging hole (21) and the lower discharging hole (22) are both positioned in the projection plane of the virtual circular ring in the vertical direction.
2. The stuffing apparatus for an accelerated polishing machine of claim 1 wherein: a lower stirring impeller (5) is arranged in the funnel (1), and a rotating shaft of the lower stirring impeller (5) is located right above the upper discharge hole (21).
3. The stuffing apparatus for an accelerated polishing machine of claim 2 wherein: the rotating shaft of the lower stirring impeller (5) is vertical to the rotating shaft of the distributing disc (3), and the rotating shaft of the lower stirring impeller (5) extends out of the hopper (1) and then is connected to the rotating shaft of the first bevel gear;
and a second bevel gear is arranged on an output shaft of the stepping motor (4), and the first bevel gear is meshed with the second bevel gear.
4. The stuffing apparatus for an accelerated polishing machine of claim 3 wherein: the stirring device is characterized by also comprising an upper stirring impeller (6), wherein the upper stirring impeller (6) is arranged above the lower stirring impeller (5), and a rotating shaft of the upper stirring impeller (6) is parallel to a rotating shaft of the lower stirring impeller (5);
and a driven gear on a rotating shaft of the upper stirring impeller (6) is meshed with a driving gear on a rotating shaft of the lower stirring impeller (5).
5. The stuffing apparatus for an accelerated polishing machine of claim 1 wherein: the weeping hole (31) are the circular port, the quantity of weeping hole (31) is a plurality of, and is a plurality of the axis of weeping hole (31) with the distance of the pivot of minute charging tray (3) equals.
6. The stuffing apparatus for an accelerated polishing machine of claim 1 wherein: the leakage holes (31) are long circular arc-shaped holes, the number of the leakage holes (31) is two, and the two leakage holes (31) and the rotating shaft of the material distribution disc (3) are in central symmetry.
7. The stuffing apparatus for an accelerated polishing machine of claim 1 wherein: an upper labyrinth seal structure is arranged between the upper end face of the material distribution disc (3) and the top wall of the material distribution box (2), and a lower labyrinth seal structure (7) is arranged between the lower end face of the material distribution disc (3) and the bottom wall of the material distribution box (2).
8. The stuffing apparatus for an accelerated polishing machine of claim 7 wherein: the material distribution disc (3) is installed on the bottom surface of the material distribution box (2) through a plane bearing (8), and the plane bearing (8) is arranged on the outer side of the lower labyrinth seal structure (7).
9. The stuffing apparatus for an accelerated polishing machine of claim 1 wherein: discharging pipe (9) are installed at lower discharge hole (22), discharging pipe (9) slope setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506665.1U CN215115705U (en) | 2021-07-02 | 2021-07-02 | Filling device for accelerating polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506665.1U CN215115705U (en) | 2021-07-02 | 2021-07-02 | Filling device for accelerating polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215115705U true CN215115705U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121506665.1U Active CN215115705U (en) | 2021-07-02 | 2021-07-02 | Filling device for accelerating polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215115705U (en) |
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2021
- 2021-07-02 CN CN202121506665.1U patent/CN215115705U/en active Active
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