CN216372808U - Concrete mixing plant's unloader - Google Patents
Concrete mixing plant's unloader Download PDFInfo
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- CN216372808U CN216372808U CN202122856459.XU CN202122856459U CN216372808U CN 216372808 U CN216372808 U CN 216372808U CN 202122856459 U CN202122856459 U CN 202122856459U CN 216372808 U CN216372808 U CN 216372808U
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- blanking
- discharging
- rod
- rotating shaft
- storage bin
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Abstract
The utility model discloses a blanking device of a concrete mixing plant, which comprises a storage bin, wherein the bottom of the storage bin is provided with a blanking port, a blanking cover is arranged in the blanking port, the bottom of the blanking cover is fixedly connected with a discharging rod, the other end of the discharging rod is fixedly connected with a rotating shaft, the rotating shaft is rotatably arranged in a rotating shaft support, the outer wall of the storage bin is also fixedly connected with an air cylinder support, the air cylinder support is hinged with an air cylinder, an air cylinder piston rod is rotatably connected with a first connecting rod, two second connecting rods are fixedly sleeved at two ends of the first connecting rod, and the other ends of the two second connecting rods are fixedly sleeved on the rotating shaft; the piston rod of the cylinder extends out, and the discharging rod drives the discharging cover to rotate towards the outer side below the storage bin so as to be separated from the discharging port; the piston rod of the cylinder retracts, and the discharging rod drives the discharging cover to rotate towards the center of the storage bin to block the discharging hole. The blanking device has good sealing effect and no leakage in the feeding process, and blanking is smooth and unimpeded in the blanking process.
Description
Technical Field
The utility model relates to the technical field of concrete production equipment, in particular to a blanking device of a concrete mixing plant.
Background
The mixing plant is mainly used for concrete construction engineering and mainly used for mixing concrete, and is also called a concrete mixing plant. The main body equipment of the mixing plant is a material bin, a mixing and stirring device is arranged in the material bin, a discharge port is arranged at the bottom of the material bin, a discharge door is installed on the discharge port, and the discharge door is used for discharging the stirred concrete. The discharge door commonly used in the prior art is a split door structure consisting of two door plates, and because the concrete mixing working environment is severe, the door plates are often not tightly sealed due to abrasion of sand and stones, and when the door plates are closed, the defects of material leakage, material scattering and the like exist between the two door plates, so that the normal blanking and the production environment are seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a blanking device of a concrete mixing plant.
The technical scheme adopted by the utility model is as follows:
a blanking device of a concrete mixing plant comprises a storage bin, wherein a blanking port is formed in the bottom of the storage bin, a blanking cover is arranged in the blanking port, a discharging rod is fixedly connected to the bottom of the blanking cover, the other end of the discharging rod is fixedly connected with a rotating shaft, the rotating shaft is rotatably arranged in a rotating shaft support, the rotating shaft support is fixed on the outer wall of the storage bin, an air cylinder support is further fixedly connected to the outer wall of the storage bin, an air cylinder is hinged to the air cylinder support, an air cylinder piston rod is rotatably connected with a first connecting rod, the first connecting rod is arranged in parallel with the rotating shaft, two symmetrically arranged second connecting rods which are identical in structure are fixedly sleeved at two ends of the first connecting rod, and the other ends of the two second connecting rods are fixedly sleeved on the rotating shaft; the piston rod of the cylinder extends out, and the discharging rod drives the discharging cover to rotate towards the outer side below the storage bin so as to be separated from the discharging port; the piston rod of the cylinder retracts, and the discharging rod drives the discharging cover to rotate towards the center of the storage bin to block the discharging hole.
Further, the section of the feed opening is hyperbolic in shape; the blanking cover is a conical round table with a small upper part and a big lower part, and the taper of the conical round table is matched with the curve of the lower half section of the blanking opening.
Furthermore, the blanking cover is composed of a circular base made of metal and a conical round table made of rubber, the circular base is fixedly connected with the conical round table through screws, and the outer circumferential surface of the conical round table is in sealing contact with the inner wall of the blanking opening of the storage bin.
Further, the rotating shaft bracket is in a U shape with an opening facing downwards.
Furthermore, the discharge rod is L-shaped, and a square through hole is formed in one end connected with the rotating shaft.
Furthermore, the rotating shaft is a stepped shaft, the middle of the stepped shaft is a rhombic mounting part, and the rhombic mounting part is matched with the square through hole of the discharging rod; two sides of the rhombic installation part are provided with threaded parts, the threaded parts are used for being matched with a check ring and a nut, and the check ring is used for limiting the axial movement of the discharging rod; the both ends of pivot are cylindrical connecting portion, and cylindrical connecting portion are used for the installation bearing.
Furthermore, the lower four sides of the feed opening are surrounded by soft rubber baffles, and the rubber baffle close to one side of the cylinder is provided with a hole for passing through the discharging rod.
The utility model has the beneficial effects that: according to the feeding device, the discharging cover, the discharging rod, the rotating shaft, the connecting rod and the air cylinder are arranged, the discharging rod, the rotating shaft, the connecting rod and the air cylinder form a crank rocker mechanism, the discharging cover is driven by the crank rocker mechanism to be plugged into a discharging opening in a plunger mode, the storage bin is sealed, and the sealing effect is good and no leakage exists; during blanking, the crank rocker mechanism drives the blanking cover to rotate to completely open the blanking port, so that blanking is smooth and unimpeded. During the unloading, the unloading lid breaks away from the feed opening completely, and the concrete material can not the adhesion at the outer peripheral face of unloading lid, just can not cause the wearing and tearing of unloading lid when the feed opening is closed, can not produce and leak the material.
Drawings
FIG. 1 is a schematic view of the structure of the utility model for closing the feed opening of the blanking device of a concrete mixing plant.
FIG. 2 is a schematic view of the structure of the utility model showing the opening of the feeding opening of the blanking device of the concrete mixing plant.
FIG. 3 is a schematic structural view of a blanking cover of a blanking device of a concrete mixing plant according to the present invention.
FIG. 4 is a schematic structural view of a rotating shaft of a blanking device of a concrete mixing plant according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings and a preferred embodiment.
Referring to fig. 1 to 4, the embodiment provides a blanking device of a concrete mixing plant, which includes a storage bin 1, a blanking opening 11 is arranged at the bottom of the storage bin, a blanking cover 2 is arranged in the blanking opening 11, a discharging rod 3 is fixedly connected to the bottom of the blanking cover 2, the other end of the discharging rod 3 is fixedly connected to a rotating shaft 4, the rotating shaft 4 is rotatably arranged in a rotating shaft support 12, the rotating shaft support 12 is fixed on the outer wall of the storage bin, an air cylinder support 13 is also fixedly connected to the outer wall of the storage bin, the air cylinder support 13 is hinged to an air cylinder 5, an air cylinder piston rod is rotatably connected to a first connecting rod 6, the first connecting rod 6 is parallel to the rotating shaft 4, two second connecting rods 7 which are identical in structure and symmetrically arranged are fixedly sleeved at two ends of the first connecting rod 6, and the other ends of the two second connecting rods 7 are fixedly sleeved on the rotating shaft 4; the piston rod of the cylinder extends out, the discharging rod 3 drives the discharging cover 2 to rotate towards the outer side below the storage bin, and the discharging opening 11 is opened; the cylinder piston rod retracts, the discharging rod 3 drives the discharging cover 2 to rotate towards the center of the storage bin, and the discharging opening 11 is closed.
The cross-sectional shape of the feed opening 11 is preferably hyperbolic; the blanking cover 2 is a conical round table with a small upper part and a big lower part, and the taper of the conical round table is matched with the curve of the lower half section of the blanking opening. The structural design of hyperbola shape feed opening can make the concrete keep the unloading smooth at the unloading in-process, and cooperates toper unloading lid to use, can improve sealed effect on the one hand, and on the other hand, when the unloading lid uses when a period wearing and tearing diminish, accessible taper fit continues to use, improves the life of unloading lid.
Preferably, the blanking cover 2 is composed of a circular base 22 made of metal and a conical round table 21 made of rubber, and the circular base 22 and the conical round table 21 are fastened and connected through a screw 23. The design of the rubber conical round table can enable the outer circumferential surface of the blanking cover 2 to be in sealing contact with the inner wall of the feed opening 11 of the storage bin, and the sealing effect is further improved.
In this embodiment, the discharging rod 3 is L-shaped, one end of which is welded to the circular base 22, and the other end of which is provided with a square through hole. The rotating shaft 4 is a stepped shaft, the middle of the stepped shaft is a rhombic column-shaped installation part 42, and the rhombic column-shaped installation part 42 is matched with the square through hole of the discharging rod 3. The two sides of the rhombic installation part 42 are provided with first thread parts 43, the first thread parts 43 are used for being matched with and installing a check ring and a nut, and the check ring is used for limiting the axial movement of the discharging rod 3 and improving the covering precision of the discharging cover. The outer side of the first thread part 43 is provided with a second diamond-shaped mounting part 44, and the second diamond-shaped mounting part 44 is used for sleeving two second connecting rods 7. And a second threaded part 45 is arranged on the outer side of the second diamond-shaped mounting part 44, and the second threaded part 45 is used for being matched with a retainer ring and a nut to limit the axial movement of the second connecting rod 7. The two ends of the rotating shaft 4 are cylindrical connecting parts 41, and the cylindrical connecting parts 41 are used for installing bearings. The rotating shaft bracket 12 is in a U shape with a downward opening, and the rotating shaft 4 is arranged at two ends of the U-shaped rotating shaft bracket 12 through a rotating shaft.
The first connecting rod 6 is in a stepped shaft shape, the middle part of the first connecting rod is cylindrical, and a piston rod of the air cylinder can be rotatably sleeved on the middle part of the first connecting rod. The two sides of the middle part of the first connecting rod 6 are rhombic and are matched with the square through holes at the other ends of the two second connecting rods 7, and the two end parts of the first connecting rod 6 are threaded parts for being matched with a retainer ring and a nut to limit the axial movement of the second connecting rods 7.
Preferably, a soft rubber baffle (not shown) is arranged around the lower part of the feed opening 11, and a through hole for passing through the discharging rod 3 is formed in the rubber baffle close to one side of the air cylinder 5. The soft rubber baffle can prevent splashing of materials during blanking, and can further prevent the materials from being stained with the blanking cover 2.
The working principle of the utility model is as follows:
referring to fig. 1 and 2, during discharging, the cylinder 5 is started, the piston rod of the cylinder extends out to drive the two second connecting rods 7 to rotate anticlockwise around the central line of the rotating shaft 4, the discharging rod 3 drives the discharging cover 3 to rotate towards the outer side below the storage bin, the discharging cover 3 is completely separated from the discharging opening 11, the discharging opening 11 is opened, and the storage bin discharges materials.
After the unloading, cylinder 5 restarts again, and the cylinder piston rod contracts back, drives two second connecting rods 7 and revolutes 4 central line clockwise rotation of axis of rotation, and discharge arm 3 drives unloading lid 2 and rotates to the feed bin center, blocks up feed opening 11, and feed opening 11 closes, the feed bin feeding.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and the improvements and modifications are also within the protection scope of the present invention.
Claims (7)
1. The blanking device of the concrete mixing plant comprises a storage bin and is characterized in that a blanking port is formed in the bottom of the storage bin, a blanking cover is arranged in the blanking port, a discharging rod is fixedly connected to the bottom of the blanking cover, the other end of the discharging rod is fixedly connected with a rotating shaft, the rotating shaft is rotatably arranged in a rotating shaft support, the rotating shaft support is fixed on the outer wall of the storage bin, an air cylinder support is also fixedly connected to the outer wall of the storage bin, an air cylinder is hinged to the air cylinder support, an air cylinder piston rod is rotatably connected with a first connecting rod, the first connecting rod is arranged in parallel with the rotating shaft, two symmetrically arranged second connecting rods which are identical in structure are fixedly sleeved at two ends of the first connecting rod, and the other ends of the two second connecting rods are fixedly sleeved on the rotating shaft; the piston rod of the cylinder extends out, and the discharging rod drives the discharging cover to rotate towards the outer side below the storage bin so as to be separated from the discharging port; the piston rod of the cylinder retracts, and the discharging rod drives the discharging cover to rotate towards the center of the storage bin to block the discharging hole.
2. The blanking device of a concrete mixing plant according to claim 1, characterized in that the section of the blanking opening is hyperbolic; the blanking cover is a conical round table with a small upper part and a big lower part, and the taper of the conical round table is matched with the curve of the lower half section of the blanking opening.
3. The blanking device of the concrete mixing plant as recited in claim 2, wherein the blanking cover is composed of a circular base made of metal and a conical circular truncated cone made of rubber, the circular base and the conical circular truncated cone are fastened and connected through screws, and the outer circumferential surface of the conical circular truncated cone is in sealing contact with the inner wall of the feed opening of the storage bin.
4. The blanking unit of a concrete mixing plant as recited in claim 1, wherein the pivot bracket is U-shaped with the opening facing downward.
5. The blanking unit of a concrete mixing plant as recited in claim 4, wherein the discharge bar is L-shaped, and a square through hole is formed at an end connected to the rotation shaft.
6. The blanking device of a concrete mixing plant according to claim 5, wherein the rotating shaft is a stepped shaft, and the middle of the stepped shaft is a rhombic mounting part which is matched with the square through hole of the discharging rod; two sides of the rhombic installation part are provided with threaded parts, the threaded parts are used for being matched with a check ring and a nut, and the check ring is used for limiting the axial movement of the discharging rod; the both ends of pivot are cylindrical connecting portion, and cylindrical connecting portion are used for the installation bearing.
7. The blanking device of a concrete mixing plant as recited in claim 1, wherein the lower four sides of the blanking opening are surrounded by soft rubber baffles, and the rubber baffles on the side close to the cylinder are provided with holes for passing through the discharge rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122856459.XU CN216372808U (en) | 2021-11-19 | 2021-11-19 | Concrete mixing plant's unloader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122856459.XU CN216372808U (en) | 2021-11-19 | 2021-11-19 | Concrete mixing plant's unloader |
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| Publication Number | Publication Date |
|---|---|
| CN216372808U true CN216372808U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122856459.XU Active CN216372808U (en) | 2021-11-19 | 2021-11-19 | Concrete mixing plant's unloader |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977775A (en) * | 2021-11-19 | 2022-01-28 | 中核混凝土股份有限公司 | Concrete mixing plant's unloader |
-
2021
- 2021-11-19 CN CN202122856459.XU patent/CN216372808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977775A (en) * | 2021-11-19 | 2022-01-28 | 中核混凝土股份有限公司 | Concrete mixing plant's unloader |
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