CN112429282B - Funnel for multiple filling - Google Patents
Funnel for multiple filling Download PDFInfo
- Publication number
- CN112429282B CN112429282B CN202011247109.7A CN202011247109A CN112429282B CN 112429282 B CN112429282 B CN 112429282B CN 202011247109 A CN202011247109 A CN 202011247109A CN 112429282 B CN112429282 B CN 112429282B
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- funnel
- ring
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- connecting rod
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
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Abstract
The invention relates to the technical field of material subpackaging, and particularly provides a funnel for repeated filling, which comprises a guide cylinder, wherein a support table is arranged in the inner wall of the guide cylinder, a reset spring is arranged on the support table, the bottom of a movable funnel is inserted into the guide cylinder, a funnel door comprises a ring seat and four turning plates, the ring seat is fixed at the bottom of the movable funnel, a baffle tooth perpendicular to the turning plates is welded on an arc edge of each turning plate, the baffle tooth is hinged at the bottom of the ring seat, a flow guide device comprises a fixed ring, a movable ring, a flow guide plate, a support and a connecting rod, the flow guide plate is fixed on the fixed ring, the movable ring is arranged at the bottom of the movable funnel, the support is arranged on the connecting rod, and the connecting rod is connected with the movable ring and the fixed ring. Through activity funnel and the cooperation of location funnel, the piece granule at first gets into the activity funnel, later flows into the splendid attire container from the activity funnel, and activity funnel bottom sets up the funnel door, through pressing the opening and closing of activity funnel control feed opening, and the operating personnel of being convenient for carries out a lot of partial shipment to the piece granule in the material jar.
Description
Technical Field
The invention relates to the technical field of material subpackaging, in particular to a funnel for repeated filling.
Background
In industrial production, piece granule raw materials are usually concentrated encapsulation in a great jar of body, will take out partly through the funnel splendid attire to different containers in following jar body when needs use the piece granule, when using the funnel to partial shipment to the material, the piece granule in the material jar probably need pour out in different containers in batches, consequently need provide a device, makes operating personnel can carry out the partial shipment or stop the partial shipment to the material in the material jar at any time.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that materials need to be subpackaged in batches, the invention provides a funnel for multiple filling to solve the problem.
The technical scheme adopted by the invention for solving the technical problems is as follows: a funnel for multiple filling comprises a positioning funnel, wherein the positioning funnel comprises a guide cylinder, a support table is arranged in the inner wall of the guide cylinder, the bottom of the guide cylinder is expanded outwards to form a step cylinder, and the bottom of the step cylinder is turned outwards by 90 degrees to form a base plate;
the movable funnel, the top of movable funnel expands outward and forms the ladder mouth, the bottom of movable funnel inserts in the guide cylinder, the below of ladder mouth is fixed with the holding ring, the outer wall of movable funnel is hugged closely to the inner wall of holding ring, after the holding ring got into the location funnel, the holding ring with guide cylinder sliding connection, movable funnel, location funnel and holding ring coaxial line, the step face that is located the movable funnel outer wall is hugged closely to the up end of holding ring, be provided with reset spring between the lower terminal surface of holding ring and the supporting bench, reset spring set establishes the outer wall of movable funnel;
the funnel door, the funnel door includes ring seat and four turns over the board, the ring seat is fixed the bottom of activity funnel, the outer wall laminating of ring seat the inner wall of guide cylinder, the ring seat is located the below of brace table, it is the fan-shaped structure of quarter circle to turn over the board, the arc limit welding of turning over the board has the perpendicular to turn over the fender tooth of board, the one end that is close to welding position on the fender tooth articulates the bottom edge of ring seat, the articulated department of fender tooth is less than to the terminal distance of fender tooth the width of the step surface in the ladder section of thick bamboo, when turning over the board and not moving, turns over the board upper surface laminating the bottom of activity funnel and keep off the inner wall of tooth laminating guide cylinder, when turning over the board perpendicular to ring seat, keep off the binding face conflict of tooth and guide cylinder on the step surface in the ladder section of thick bamboo.
As preferred, the guiding device includes solid fixed ring, loose ring, guide plate, support and connecting rod, one of them tip at a edge of guide plate passes through the universal joint to be fixed on solid fixed ring, and a plurality of guide plates are around solid fixed ring's inner circle evenly distributed, the loose ring sets up the opening part of the bottom of activity funnel, the support corresponds the guide plate is installed on the connecting rod, the bulb is installed to the one end of support, the bulb is contradicted all the time at the lower surface of guide plate, the both ends of connecting rod are connected through articulated seat loose ring and the solid fixed ring adjacent with the loose ring, when the connecting rod is in fold condition the loose ring is contradicted turn over on the board, the connecting rod with gu fixed ring articulated one end extends and forms the stopper.
Preferably, the fixed ring is equipped with two, two fixed ring with activity funnel coaxial line, two fixed ring is located respectively the position that is close to top and bottom of activity funnel, two guide plate one-to-one on the fixed ring is connected through the connecting rod, the connecting rod with the guide plate is articulated.
Preferably, the holding ring includes two semicircle clamps, two the semicircle clamp passes through screw fixation.
Preferably, the top inner edge of the guide cylinder is provided with a chamfer angle.
Preferably, the upper edge of the fixing ring is rounded at a position close to the inner ring.
Preferably, the edge of the guide plate connected with the fixing ring is provided with a reinforcing pipe.
Preferably, the unfixed side of the baffle on the same fixed ring extends below the fixed side of the baffle adjacent to the unfixed side of the baffle.
The invention has the beneficial effects that firstly, through the matching of the movable funnel and the positioning funnel, when the scrap particles in the material tank are loaded into the container, the scrap particles firstly enter the movable funnel to serve as buffer, then flow into the container from the movable funnel, the bottom of the movable funnel is provided with the funnel door, and the opening and closing of the discharge opening of the movable funnel are controlled by pressing the movable funnel, so that an operator can conveniently carry out multiple sub-packaging on the scrap particles in the material tank; and secondly, the movable hopper and the hopper door are used for buffering, so that the situation that the chip particles are directly loaded into the container from the material tank to cause severe impact is avoided, meanwhile, the flow guide device is fixed in the movable hopper, the chip particles can be blocked and decelerated by the flow guide device in the falling process, and the chip particles are prevented from impacting the inner wall of the container or the movable hopper at a high speed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a preferred embodiment of a hopper for multiple filling of the present invention;
fig. 2 is a schematic structural view of a reset state of a funnel for multiple filling according to the present invention;
FIG. 3 is a schematic view of the operation of a hopper for multiple filling according to the present invention;
FIG. 4 is a schematic view of a movable funnel of the multi-fill funnel of the present invention;
FIG. 5 is a schematic illustration of a positioning funnel for a multiple-fill funnel of the present invention;
FIG. 6 is a schematic structural view of a reset state of a deflector of a multi-filling funnel according to the present invention;
fig. 7 is a schematic structural view of an operating state of a deflector device of a funnel for multiple filling according to the present invention;
fig. 8 is a schematic view of the structure of a connecting rod of a multi-filling funnel according to the present invention.
In the figure, 1, a positioning funnel, 2, a movable funnel, 3, a material tank, 101, a guide cylinder, 201, a positioning ring, 102, a support table, 103, a step cylinder, 104, a base plate, 202, a return spring, 4, a container, 5, a flow guide device, 501, a fixing ring, 502, a movable ring, 503, a flow guide plate, 504, a support, 505, a connecting rod, 506, a limiting block, 507, a hinge seat, 508, a connecting rod, 6, a funnel door, 601, a ring seat, 602, a turning plate, 603 and a blocking tooth are arranged.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 8, the present invention provides an embodiment of a funnel for multiple filling, which includes a positioning funnel 1 and a movable funnel 2, wherein the positioning funnel 1 includes a guide cylinder 101, the top of the movable funnel 2 is expanded to form a step opening, a material tank 3 is clamped in the step opening, the bottom of the movable funnel 2 is inserted into the guide cylinder 101, the guide cylinder 101 shields the outlet of the movable funnel 2 to prevent the material from splashing, a positioning ring 201 is fixed below the step opening, the positioning ring 201 includes two semicircular hoops, the two semicircular hoops are fixed on the movable funnel 2 through screws, after the positioning ring 201 enters the positioning funnel 1, the inner wall of the positioning ring 201 is tightly attached to the outer wall of the movable funnel 2, the positioning ring 201 is connected with the guide cylinder 101 in a sliding manner, the positioning ring 201 guides the movable funnel 2 to enable the movable funnel 2 to move along the direction of the guide cylinder 101, and prevent the movable funnel 2 from being blocked by tilting, along having seted up the chamfer angle in the top of guide cylinder 101, the chamfer angle can lead to holding ring 201 and make holding ring 201 enter into guide cylinder 101 more easily, activity funnel 2, holding funnel 1 and holding ring 201 coaxial line, the step face that is located the 2 outer walls of activity funnel is hugged closely to the up end of holding ring 201, be provided with a supporting bench 102 in the inner wall of guide cylinder 101, be provided with reset spring 202 between the lower terminal surface of holding ring 201 and the supporting bench 102, reset spring 202 cover is established at the outer wall of activity funnel 2, when pressing activity funnel 2, activity funnel 2 can promote holding ring 201 and move towards supporting bench 102, reset spring 202 that is located between holding ring 201 and the supporting bench 102 this moment is compressed, when activity funnel 2 needs to reset, drive holding ring 201 through reset spring 202 and can make holding ring 201 and activity funnel 2 answer the normal position.
The funnel door 6 comprises a ring seat 601 and four turning plates 602, the ring seat 601 is fixed at the bottom of the movable funnel 2, the outer wall of the ring seat 601 is attached to the inner wall of the guide cylinder 101, the ring seat 601 is located below the support table 102, the turning plates 602 are of a quarter-circle sector structure, blocking teeth 603 perpendicular to the turning plates 602 are welded on the arc-shaped edges of the turning plates 602, one ends, close to welding positions, of the blocking teeth 603 are hinged to the edge of the bottom of the ring seat 601, the bottom of the guide cylinder 101 is expanded outwards to form a stepped cylinder 103, and the distance from the hinged positions of the blocking teeth 603 to the tail ends of the blocking teeth 603 is smaller than the width of a stepped surface in the stepped cylinder 103. The operation principle of the turning plate 602 is that when the funnel door 6 is closed, the return spring 202 makes the ring seat 601 abut against the lower surface of the support platform 102, the blocking tooth 603 hinged on the ring seat 601 abuts against the inner wall of the guide cylinder 101, the blocking tooth 603 supports the turning plate 602 perpendicular to the blocking tooth in the principle of leverage to abut against the lower end outlet of the movable funnel 2, when the movable funnel 2 is pressed, the movable funnel 2 drives the ring seat 601 to move downwards to the step cylinder 103, because the diameter of the step cylinder 103 is larger than that of the guide cylinder 101, the blocking tooth 603 loses support and the turning plate 602 moves under the action of gravity until the turning plate is opened vertically, when the movable funnel 2 is released, the return spring 202 pushes the movable funnel 2 to move upwards, the ring seat 601 also moves upwards, in the process that the blocking tooth 603 moves gradually from the step cylinder 103 to the guide cylinder 101 and rotates until the blocking tooth 603 completely enters the guide cylinder 101, at this time, the turning plate 602 rotates along with the blocking tooth to abut against the opening at the lower end of the movable funnel 2, the bottom of the stepped cylinder 103 is turned over by 90 ° to form a base plate 104, and when the stepped cylinder is butted with the container 4, the surface of the base plate 104 is abutted against the end face of the opening of the container 4 to realize sealing.
The flow guiding device 5 comprises a fixed ring 501, a movable ring 502, a flow guiding plate 503, a support 504 and a connecting rod 505, wherein one end part of one edge of the flow guiding plate 503 is fixed on the fixed ring 501 through a universal joint, a reinforced pipe is arranged on the edge where the flow guiding plate 503 is connected with the fixed ring 501, the upper edge of the fixed ring 501 is processed by rounding at the inner ring part, the upper surface of the fixed ring 501 can be smoothly transited to the inner wall of the movable funnel 2 through the rounding, the abrasion of the fixed ring 501 caused by the material flowing through the fixed ring 501 from the movable funnel 2 is reduced, a plurality of flow guiding plates 503 are uniformly distributed around the inner ring of the fixed ring 501, the movable ring 502 is arranged at the opening at the bottom of the movable funnel 2, the support 504 is arranged on the connecting rod 505 corresponding to the flow guiding plate 503, a ball head is arranged at one end of the support 504 and always butts against the lower surface of the flow guiding plate 503, and the friction between the support 504 and the flow guiding plate 503 is smaller by the ball head, let the motion of guide plate 503 more smooth, the both ends of connecting rod 505 are passed through articulated seat 507 and are connected activity ring 502 and the solid fixed ring 501 adjacent with activity ring 502, and connecting rod 505 extends with solid fixed ring 501 articulated one end and forms stopper 506, contradicts through stopper 506 and prescribes a limit to the turned angle of connecting rod 505 on articulated seat 507 to make support 504 of installing on connecting rod 505 to support guide plate 503 and press the slope of fixed angle. When the movable funnel 2 is not operated, the turning plate 602 blocks the movable ring 502, and the guide plates 503 are supported by the brackets 504 on the movable ring 502 to keep a horizontal state; when the movable funnel 2 moves downwards, the turning plate 602 is opened, the movable ring 502 and the support 504 descend, the guide plates 503 are turned downwards along with the support 504 to be opened, when the debris particles in the movable funnel 2 leak out, the debris particles flow over the surfaces of the guide plates 503 and fall into the container 4 after being shunted and decelerated by the guide plates 503, and the debris particles are prevented from colliding with the container 4 at a distance when the debris particles move too fast; when the movable funnel 2 is reset, the turning plate 602 is turned upwards to push the movable ring 502 to ascend, the movable ring 502 pushes the connecting rod 505 to fold, and the bracket 504 arranged on the connecting rod 505 pushes the guide plate 503 to be turned upwards to reset until the movable ring 502 and the turning plate 602 are completely retracted into the movable funnel 2.
The two fixing rings 501 are arranged, the two fixing rings 501 are coaxial with the movable funnel 2, the two fixing rings 501 are respectively located at the positions, close to the top and the bottom, of the movable funnel 2, the guide plates 503 on the two fixing rings 501 correspond to each other one by one and are connected through the connecting rods 508, the connecting rods 508 are hinged with the guide plates 503, when the guide plates 503 located at the bottom move, the guide plates 503 located at the top and connected through the connecting rods 508 can be driven to move along with the guide plates 503, the guide plates 503 are arranged at the top of the movable funnel 2, so that debris particles can flow into the movable funnel 2 and are blocked by the guide plates 503 to reduce the speed, the abrasion of the debris particles to the inner wall of the movable funnel 2 is reduced, the unfixed side of the guide plate 503 on the same fixing ring 501 extends to the lower side of the fixed side of the guide plate 503 adjacent to the same, and the guide plate 503 cannot be blocked by other guide plates 503 when being turned over along the fixed side of the guide plate 501, so that it can smoothly extend out of the movable funnel 2.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A hopper for multiple filling, comprising:
the positioning funnel comprises a guide cylinder, a support table is arranged in the inner wall of the guide cylinder, the bottom of the guide cylinder is expanded outwards to form a step cylinder, and the bottom of the step cylinder is turned outwards by 90 degrees to form a substrate;
the movable funnel, the top of movable funnel expands outward and forms the ladder mouth, the bottom of movable funnel inserts in the guide cylinder, the below of ladder mouth is fixed with the holding ring, the outer wall of movable funnel is hugged closely to the inner wall of holding ring, after the holding ring got into the location funnel, the holding ring with guide cylinder sliding connection, movable funnel, location funnel and holding ring coaxial line, the step face that is located the movable funnel outer wall is hugged closely to the up end of holding ring, be provided with reset spring between the lower terminal surface of holding ring and the supporting bench, reset spring set establishes the outer wall of movable funnel;
the funnel door, the funnel door includes ring seat and four turns over the board, the ring seat is fixed the bottom of activity funnel, the outer wall laminating of ring seat the inner wall of guide cylinder, the ring seat is located the below of brace table, it is the fan-shaped structure of quarter circle to turn over the board, the arc limit welding of turning over the board has the perpendicular to turn over the fender tooth of board, the one end that is close to welding position on the fender tooth articulates the bottom edge of ring seat, the articulated department of fender tooth is less than to the terminal distance of fender tooth the width of the step surface in the ladder section of thick bamboo, when turning over the board and not moving, turns over the board upper surface laminating the bottom of activity funnel and keep off the inner wall of tooth laminating guide cylinder, when turning over the board perpendicular to ring seat, keep off the binding face conflict of tooth and guide cylinder on the step surface in the ladder section of thick bamboo.
2. A hopper for multiple filling according to claim 1, wherein: flow guide device, flow guide device includes solid fixed ring, loose ring, guide plate, support and connecting rod, one of them tip of a edge of guide plate passes through the universal joint to be fixed on solid fixed ring, and a plurality of guide plates are around solid fixed ring's inner circle evenly distributed, the loose ring sets up the opening part of the bottom of activity funnel, the support corresponds the guide plate is installed on the connecting rod, the bulb is installed to the one end of support, the bulb is contradicted all the time at the lower surface of guide plate, the both ends of connecting rod are connected through articulated seat loose ring and with the adjacent solid fixed ring of loose ring, when the connecting rod is in fold condition the loose ring is contradicted turn over on the board, the connecting rod with gu fixed ring articulated one end extends and forms the stopper.
3. A hopper for multiple filling according to claim 2, wherein: the fixed ring is provided with two, two fixed ring with the coaxial line of the movable funnel, two fixed ring is respectively located the position close to the top and the bottom of the movable funnel, two guide plates on the fixed ring are in one-to-one correspondence and are connected through a connecting rod, and the connecting rod is hinged with the guide plate.
4. A hopper for multiple filling according to claim 3, wherein: the holding ring includes two semicircle clamps, two the semicircle clamp passes through the screw fixation.
5. A hopper for multiple filling according to claim 4, wherein: the top inner edge of the guide cylinder is provided with a chamfer angle.
6. A hopper for multiple filling according to claim 5, wherein: and the part of the upper edge of the fixing ring close to the inner ring is rounded.
7. A hopper for multiple filling according to claim 6, wherein: and the edge of the guide plate connected with the fixing ring is provided with a reinforcing pipe.
8. A hopper for multiple filling according to claim 7 wherein: the unfixed side of the guide plate on the same fixed ring extends into the lower part of the fixed side of the guide plate adjacent to the unfixed side of the guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247109.7A CN112429282B (en) | 2020-11-10 | 2020-11-10 | Funnel for multiple filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247109.7A CN112429282B (en) | 2020-11-10 | 2020-11-10 | Funnel for multiple filling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112429282A CN112429282A (en) | 2021-03-02 |
| CN112429282B true CN112429282B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011247109.7A Active CN112429282B (en) | 2020-11-10 | 2020-11-10 | Funnel for multiple filling |
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| CN (1) | CN112429282B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB273038A (en) * | 1926-04-09 | 1927-06-30 | John Arthur Roberts | Improvements in filling machines |
| DE2432229A1 (en) * | 1973-07-09 | 1975-01-30 | Solbern Corp | DEVICE AND METHOD FOR FILLING CONTAINERS |
| FR2362781A1 (en) * | 1976-08-26 | 1978-03-24 | Simotra | DEVICE FOR AUTOMATIC OPENING AND CLOSING OF HOPPER BLOCK DOORS AND INSTALLATION EQUIPPED WITH SUCH A DEVICE |
| USRE30863E (en) * | 1973-11-22 | 1982-02-09 | Siemens Aktiengesellschaft | Method for crucible-free zone meeting of semiconductor crystal rods |
| CN201959610U (en) * | 2010-11-27 | 2011-09-07 | 浙江建华集团过滤机有限公司 | Double-cylinder discharge device for filter cake storing hopper of pressure filter |
| CN205076289U (en) * | 2015-10-21 | 2016-03-09 | 连云港新圩港码头有限公司 | Multipurpose combination funnel |
| CN206013919U (en) * | 2016-08-30 | 2017-03-15 | 金华润业智能科技有限公司 | A kind of removable double handgrip material guide devices of nuclear industry |
| CN207536708U (en) * | 2017-12-01 | 2018-06-26 | 单如琳 | A kind of mining controlled variable discharge funnel |
| CN109081079A (en) * | 2018-08-13 | 2018-12-25 | 长沙理工大学 | A kind of bilayer combination flap valve |
| CN210647279U (en) * | 2019-07-26 | 2020-06-02 | 大连博鳌建材有限公司 | Coarse sand screening plant for building |
-
2020
- 2020-11-10 CN CN202011247109.7A patent/CN112429282B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB273038A (en) * | 1926-04-09 | 1927-06-30 | John Arthur Roberts | Improvements in filling machines |
| DE2432229A1 (en) * | 1973-07-09 | 1975-01-30 | Solbern Corp | DEVICE AND METHOD FOR FILLING CONTAINERS |
| USRE30863E (en) * | 1973-11-22 | 1982-02-09 | Siemens Aktiengesellschaft | Method for crucible-free zone meeting of semiconductor crystal rods |
| FR2362781A1 (en) * | 1976-08-26 | 1978-03-24 | Simotra | DEVICE FOR AUTOMATIC OPENING AND CLOSING OF HOPPER BLOCK DOORS AND INSTALLATION EQUIPPED WITH SUCH A DEVICE |
| CN201959610U (en) * | 2010-11-27 | 2011-09-07 | 浙江建华集团过滤机有限公司 | Double-cylinder discharge device for filter cake storing hopper of pressure filter |
| CN205076289U (en) * | 2015-10-21 | 2016-03-09 | 连云港新圩港码头有限公司 | Multipurpose combination funnel |
| CN206013919U (en) * | 2016-08-30 | 2017-03-15 | 金华润业智能科技有限公司 | A kind of removable double handgrip material guide devices of nuclear industry |
| CN207536708U (en) * | 2017-12-01 | 2018-06-26 | 单如琳 | A kind of mining controlled variable discharge funnel |
| CN109081079A (en) * | 2018-08-13 | 2018-12-25 | 长沙理工大学 | A kind of bilayer combination flap valve |
| CN210647279U (en) * | 2019-07-26 | 2020-06-02 | 大连博鳌建材有限公司 | Coarse sand screening plant for building |
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| Publication number | Publication date |
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