CN113955254A - Bag opening device suitable for caking cement - Google Patents
Bag opening device suitable for caking cement Download PDFInfo
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- CN113955254A CN113955254A CN202111081949.5A CN202111081949A CN113955254A CN 113955254 A CN113955254 A CN 113955254A CN 202111081949 A CN202111081949 A CN 202111081949A CN 113955254 A CN113955254 A CN 113955254A
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- guide plate
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- base box
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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
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/14—Pulverising loaded or unloaded materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Abstract
The invention belongs to the technical field of cement treatment, and particularly relates to a bag opening device suitable for caking cement. The third motor drives the first annular stock guide to rotate through the transmission, the fourth motor drives the blade to rotate simultaneously, follow annular stock guide at the uniform velocity in-process when cement, cyclic annular inserted bar can puncture the cement top, and simultaneously, the blade can realize the bag of opening of cement bottom between annular stock guide one and the annular stock guide two, the cement after opening the bag drops through feed cylinder under the toper, thereby realize opening the bag operation to caking cement, effectual solution is that the setting of opening the bag of try to see.
Description
Technical Field
The invention belongs to the technical field of cement treatment, and particularly relates to a bag opening device suitable for agglomerated cement.
Background
Cement powder hydraulic inorganic cementing material. Water is added and stirred to form slurry which can be hardened in air or water and can firmly bond sand, stone and other materials together. The early lime and pozzolan mixtures are similar to modern lime and pozzolan cements, and concrete made by cementing crushed stone with them not only has higher strength after hardening, but also resists erosion by fresh water or salt-containing water. As an important cementing material, the high-performance cement is widely applied to engineering such as civil construction, water conservancy, national defense and the like for a long time.
The cement that has become damp and hardened can reduce or even lose original intensity, to the cement that has become damp and group or hardened, must sieve the back and use, and the lump that sieves out is rubbed thin or is used for the masonry mortar or the plastering mortar of secondary engineering generally after grinding thin, and most cement of present division of bag equipment mainly use to the cement that does not agglomerate, causes the cement of caking to use, leads to the caking cement after-treatment to waste time and energy.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a bag opening device suitable for agglomerated cement, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drive bagging apparatus suitable for caking cement, including main part support bed frame, the inside that the main part supported the bed frame is equipped with cement and opens bag base case, cement opens the four corners of bag base case and all supports the inner wall fixed connection of bed frame with the main part, the bottom fixed mounting that bag base case was opened to cement has the toper feed cylinder down, cement opens the left surface of bag base case and has the case lid through hinged joint, main part support bed frame inner wall from top to bottom in proper order fixed mounting have spiral guide dish one, spiral guide dish two and spiral guide dish three, spiral guide dish one, the upper surface of spiral guide dish two and spiral guide dish three all rotates installs a plurality of conveying running roller, spiral guide dish one, the equal fixed mounting in the inner peripheral face of spiral guide dish two and spiral guide dish three has the pillar, the periphery fixed mounting that is located spiral guide dish two and spiral guide dish three pillars has the lug.
Preferably, the front surface of the cement bag opening base box is fixedly provided with a first arc-shaped base box and a second arc-shaped base box respectively, the inner top surface of the first arc-shaped base box is fixedly provided with a first motor and a second motor, output shafts at the bottom ends of the first motor and the second motor are fixedly provided with a first arc-shaped cam and a second arc-shaped cam respectively through flanges, the inner structures of the first arc-shaped base box and the second arc-shaped base box are completely the same, a first annular material guide plate is arranged under a third spiral material guide plate, the outer circumferential surface at the top end of the first annular material guide plate is in sliding connection with the inner wall of the cement bag opening base box, a second annular material guide plate is arranged inside the first annular material guide plate, a plurality of connecting plates are fixedly arranged at the bottom end of the first annular material guide plate, one end, close to each other, of the plurality of connecting plates are fixedly connected with the second annular material guide plate, a first annular air cushion is fixedly arranged on the inner circumferential surface of the first annular material guide plate, and a second annular air cushion is fixedly arranged on the circumferential surface of the second annular material guide plate, the bottom fixed mounting that is located three foundation posts of spiral stock guide dish has motor three, the output shaft of three bottoms of motor passes through the flange and the top fixed connection of annular stock guide second, be equipped with motor four under the annular stock guide is one, the one end of motor four and the inner wall fixed connection of main part support bed frame, the other end of motor four has the blade through flange fixed mounting, be equipped with cyclic annular inserted bar between annular stock guide first and the annular stock guide second, cyclic annular inserted bar top upwards extend and with the inner wall fixed connection of annular stock guide top main part support bed frame.
Preferably, the interior of the cement bag-opening base box is of a cylindrical hollow structure, and the spiral material guide plate I, the spiral material guide plate II and the spiral material guide plate III are all concentrically arranged in the vertical direction.
Preferably, the first spiral material guide plate, the second spiral material guide plate and the third spiral material guide plate are arranged in the vertical direction at equal intervals, the second spiral material guide plate and the first arc-shaped base box are located on the same horizontal plane, the third spiral material guide plate and the second arc-shaped base box are located on the same horizontal plane, and the first arc-shaped base box and the second arc-shaped base box are both of hollow structures and are communicated with the cement bag opening base box.
Preferably, the radius of the top end of the first annular material guide plate is larger than that of the bottom end of the first annular material guide plate, the radius of the top end of the second annular material guide plate is smaller than that of the bottom end of the second annular material guide plate, and the bottom ends of the first annular material guide plate and the second annular material guide plate are located on the same horizontal plane.
Preferably, the middle of the connecting plate is of an upward bending structure, the connecting plate is located right above the blade, and the connecting plate is completely matched with the blade in a corresponding mode in terms of structural size and position.
Preferably, the first annular air cushion and the second annular air cushion are in the same horizontal plane.
Compared with the prior art, the invention has the beneficial effects that:
1. the cement is suitable for caking cement. The bag opening device conveys caked cement to the top of a cement bag opening base box by arranging a main body supporting base frame, a first spiral material guide plate, a second spiral material guide plate, a third spiral material guide plate, a first arc base box, a second arc base box and a first annular material guide plate, the cement entering the inside of the cement bag opening base box is conveyed to the second spiral material guide plate through the first spiral material guide plate and then conveyed to the third spiral material guide plate through the second spiral material guide plate, a first motor and a second motor inside the first arc base box and the second arc base box respectively drive a first arc cam and a second arc cam to extrude the conveyed cement in two pairs in the process that the cement passes through the second spiral material guide plate and the third spiral material guide plate, the caked cement is crushed into small caked cement with smaller volume by matching with a lug, and the crushed caked cement enters the space between the first annular material guide plate and the second annular material guide plate, annular air cushion one and annular air cushion two that the surface of annular stock guide one and annular stock guide two set up simultaneously can play the result of use to the cement bottom sprag, prevent that cement from directly dropping, the transmission of motor tee bend drives annular stock guide one and rotates, the motor drives the blade simultaneously four times and rotates, follow annular stock guide one at the uniform velocity in-process when cement, cyclic annular inserted bar can puncture the cement top, and simultaneously, the blade can realize opening the bag to the cement bottom between annular stock guide one and the annular stock guide two, the cement after opening the bag drops through feed cylinder under the toper, thereby realize opening the bag operation to the caking cement, effectual solution is that the bag setting is opened to the face test cement is difficult to the problem of caking cement at present.
2. This open bagging apparatus suitable for caking cement can play certain regulation and control to opening bag cement whereabouts speed through setting up annular air cushion one and annular air cushion two, and cement weight reduces gradually after the bag is opened to cement, and annular air cushion one and annular air cushion two receive the pressure and reduce the centre gripping effect to cement and reduce to can play and accelerate cement later stage whereabouts speed.
3. This open bagging apparatus suitable for caking cement can play the effect of support to the cement bottom through setting up the connecting plate, and the connecting plate still cooperates the blade to accomplish the bag processing of opening to the cement bottom and handles the use behind the woollen simultaneously to the completion is to the bag of opening of caking cement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a second embodiment of the present invention;
FIG. 6 is a schematic view of a third cross-sectional structure of the present invention;
FIG. 7 is a schematic view of a fourth cross-sectional structure of the present invention;
FIG. 8 is a schematic view of a fifth cross-sectional structure of the present invention;
FIG. 9 is a schematic view of a portion of the structure shown in FIG. 5.
Wherein, 1, a main body supporting pedestal, 2, a cement bag opening base box, 3, a conical charging barrel, 4 box covers, 5, a first spiral material guiding disk, 6, a second spiral material guiding disk, 7, a third spiral material guiding disk, 8 conveying rollers, 9 base columns, 10 bumps, 11, a first arc base box, 12, a second arc base box, 13, a first arc cam, 15, a second arc cam, 16, a first annular material guiding plate, 18, a second annular material guiding plate, 19 connecting plates, 20, a third motor, 21, a first annular air cushion, 22, a fourth motor, 23 and 24 blades; 25 ring-shaped inserted rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides the following technical solutions: a bag opening device suitable for caking cement comprises a main body supporting base frame 1, a cement bag opening base box 2 is arranged inside the main body supporting base frame 1, four corners of the cement bag opening base box 2 are fixedly connected with the inner wall of the main body supporting base frame 1, the main body supporting base frame 1 is a main structural frame and is used for supporting the cement bag opening base box 2, a conical lower charging barrel 3 is fixedly arranged at the bottom end of the cement bag opening base box 2, the conical lower charging barrel 3 is used for guiding and discharging cement materials after bag opening in the later period, a box cover 4 is arranged on the left surface of the cement bag opening base box 2 through a hinge, the box cover 4 can be used for maintaining and using equipment in the later period and can be used for taking out cement bags after bag opening at regular intervals, a spiral guide plate I5, a spiral guide plate II 6 and a spiral guide plate III 7 are sequentially and fixedly arranged on the inner wall of the main body supporting base frame 1 from top to bottom, the interior of the cement bag opening base box 2 is of a cylindrical hollow structure, the first spiral material guide disk 5, the second spiral material guide disk 6 and the third spiral material guide disk 7 are concentrically arranged in the vertical direction, a plurality of conveying rollers 8 are rotatably arranged on the upper surfaces of the first spiral material guide disk 5, the second spiral material guide disk 6 and the third spiral material guide disk 7, the first spiral material guide disk 5, the second spiral material guide disk 6 and the third spiral material guide disk 7 are matched with the conveying rollers 8 to convey cement, base columns 9 are fixedly arranged on the inner circumferential surfaces of the first spiral material guide disk 5, the second spiral material guide disk 6 and the third spiral material guide disk 7, lugs 10 are fixedly arranged on the circumferential surfaces of the base columns 9 at the positions of the second spiral material guide disk 6 and the third spiral material guide disk 7, arc-shaped base boxes 11 and arc-shaped base boxes 12 are fixedly arranged on the front surface of the cement bag opening base box 2 respectively, the first spiral material guide disk 5, the second spiral material guide disk 6 and the third spiral material guide disk 7 are arranged in the vertical direction at equal intervals, the spiral material guide plate II 6 and the arc-shaped base box I11 are positioned on the same horizontal plane, the spiral material guide plate III 7 and the arc-shaped base box II 12 are positioned on the same horizontal plane, the arc-shaped base box I11 and the arc-shaped base box II 12 are both of a hollow structure and are communicated with the cement bag opening base box 2, a motor I13 and a motor II 15 are fixedly installed on the inner top surface of the arc-shaped base box I11, output shafts at the bottom ends of the motor I13 and the motor II 15 are respectively and fixedly provided with an arc-shaped cam I14 and an arc-shaped cam II 16 through flanges, the inner structures of the arc-shaped base box I11 and the arc-shaped base box II 12 are completely the same, the arc-shaped cam I14 and the arc-shaped cam II 16 are respectively driven through the motor I13 and the motor II 15 to extrude cement so that large cement blocks are crushed into small cement blocks, an annular material guide plate I17 is arranged under the spiral material guide plate III 7, and the outer circumferential surface at the top end of the annular material guide plate I17 is in sliding connection with the inner wall of the cement bag opening base box 2, the inside of the annular guide plate I17 is provided with an annular guide plate II 18, the top end radius of the annular guide plate I17 is larger than the bottom end radius of the annular guide plate II, the top end radius of the annular guide plate II 18 is smaller than the bottom end radius of the annular guide plate II, the bottom ends of the annular guide plate I17 and the annular guide plate II 18 are positioned on the same horizontal plane, the bottom end of the annular guide plate I17 is fixedly provided with a plurality of connecting plates 19, one ends, close to each other, of the connecting plates 19 are fixedly connected with the annular guide plate II 18, the middle of each connecting plate 19 is of an upward bending structure, each connecting plate 19 is positioned right above the corresponding blade 24, the connecting plates 19 and the corresponding blades 24 are completely matched in structural size and position, the bottom end of the cement can be supported by arranging the connecting plates 19, the connecting plates 19 are matched with the corresponding blades 24 to finish bag opening processing and using on the bottom end of the cement, so that bag opening of the cement is finished, an annular air cushion I21 is fixedly arranged on the inner circumferential surface of the annular guide plate I17, a second annular air cushion 22 is fixedly installed on the circumferential surface of the second annular material guide plate 18, the first annular air cushion 21 and the second annular air cushion 22 are located on the same horizontal plane, a third motor 20 is fixedly installed at the bottom end of a foundation column 9 located at the third spiral material guide plate 7, an output shaft at the bottom end of the third motor 20 is fixedly connected with the top end of the second annular material guide plate 18 through a flange, a fourth motor 23 is arranged right below the first annular material guide plate 17, one end of the fourth motor 23 is fixedly connected with the inner wall of the main body support base frame 1, a blade 24 is fixedly installed at the other end of the fourth motor 23 through a flange, an annular insertion rod 25 is arranged between the first annular material guide plate 17 and the second annular material guide plate 18, the top end of the annular insertion rod 25 extends upwards and is fixedly connected with the inner wall of the main body support base frame 1 above the first annular material guide plate 17, broken cement cakes enter between the first annular material guide plate 17 and the second annular material guide plate 18, and the first annular air cushion 21 and the second annular air cushion 18 are arranged on the surfaces of the first annular material guide plate 17 22 can play a role in supporting the cement bottom to prevent the cement from directly falling, the falling speed of the bag-opening cement can be regulated and controlled to a certain extent by arranging the first annular air cushion 21 and the second annular air cushion 22, the weight of the cement is gradually reduced after the bag-opening of the cement, the clamping effect of the pressure reduction on the cement by the first annular air cushion 21 and the second annular air cushion 22 is reduced, so that the falling speed of the cement at the later stage can be accelerated, the third motor 20 drives the first annular guide plate 17 to rotate through transmission, meanwhile, the fourth motor 23 drives the blade 24 to rotate, when the cement follows the first annular guide plate 17 at a constant speed, the annular insertion rod 25 can puncture the top of the cement, meanwhile, the blade 24 can realize the bag-opening operation on the cement bottom between the first annular guide plate 17 and the second annular guide plate 18, the cement after the bag-opening can fall through the conical lower charging barrel 3, so as to realize the bag-opening operation on the caking cement, the problem that caking cement is difficult to deal with by the bag opening setting of the surface test cement is effectively solved.
The working principle and the using process of the invention are as follows: when the cement bag opening device is used, firstly, the caked cement is conveyed to the top of the cement bag opening base box 2 through an external conveying device, the cement entering the inside of the cement bag opening base box 2 is conveyed to the spiral material guide plate II 6 through the spiral material guide plate I5, then the cement is conveyed to the spiral material guide plate III 7 through the spiral material guide plate II 6, in the process that the cement passes through the spiral material guide plate II 6 and the spiral material guide plate III 7, the motors I13 and II 15 inside the arc base box I11 and the arc base box II 12 respectively drive the arc cams I14 and the arc cams II 16 to extrude the conveyed cement, the caked cement is crushed by matching with the bumps 10, the caked large-block cement is crushed into small-block cement with small volume, the crushed caked cement enters the space between the annular material guide plate I17 and the annular material guide plate II 18, and the annular air cushion plate I21 and the annular air cushion plate II 22 arranged on the surfaces of the annular air cushion plate I17 and the annular air cushion plate II 18 can play roles in water treatment Mud bottom sprag's user action, prevent that cement from directly dropping, three 20 motors drive a 17 rotations of annular stock guide through the transmission, four 23 motor drive blades 24 simultaneously rotate, at the uniform velocity in-process of annular stock guide 17 is followed to cement, cyclic annular inserted bar 25 can puncture the cement top, and simultaneously, blade 24 can realize the bag of opening of cement bottom between annular stock guide 17 and annular stock guide two 18, the cement after opening the bag drops through feed cylinder 3 under the toper, thereby the realization is to the bag operation of opening of caking cement, effectual solution is that the problem that the setting of opening the bag of try to see to the trial cement is difficult to the caking cement at present, all consumer all power supplies power through external power supply in this device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A bag opening device suitable for caking cement, comprises a main body supporting pedestal (1), and is characterized in that: the cement bag opening base box (2) is arranged inside the main body supporting base frame (1), four corners of the cement bag opening base box (2) are fixedly connected with the inner wall of the main body supporting base frame (1), a conical lower charging barrel (3) is fixedly installed at the bottom end of the cement bag opening base box (2), a box cover (4) is installed on the left surface of the cement bag opening base box (2) through hinges, a spiral guide plate I (5), a spiral guide plate II (6) and a spiral guide plate III (7) are fixedly installed on the inner wall of the main body supporting base frame (1) from top to bottom in sequence, a plurality of conveying rollers (8) are rotatably installed on the upper surfaces of the spiral guide plate I (5), the spiral guide plate II (6) and the spiral guide plate III (7), and base columns (9) are fixedly installed on the inner circumferential surfaces of the spiral guide plate I (5), the spiral guide plate II (6) and the spiral guide plate III (7), the circumferential surface of the base column (9) positioned at the second spiral material guide disc (6) and the third spiral material guide disc (7) is fixedly provided with a lug (10);
the front surface of the cement bag opening base box (2) is fixedly provided with a first arc-shaped base box (11) and a second arc-shaped base box (12) respectively, the inner top surface of the first arc-shaped base box (11) is fixedly provided with a first motor (13) and a second motor (15), output shafts at the bottom ends of the first motor (13) and the second motor (15) are fixedly provided with a first arc-shaped cam (14) and a second arc-shaped cam (16) respectively through flanges, the inner structures of the first arc-shaped base box (11) and the second arc-shaped base box (12) are completely the same, a first annular guide plate (17) is arranged under the third spiral guide plate (7), the outer circumferential surface at the top end of the first annular guide plate (17) is in sliding connection with the inner wall of the cement bag opening base box (2), a second annular guide plate (18) is arranged inside the first annular guide plate (17), a plurality of connecting plates (19) are fixedly arranged at the bottom end of the first annular guide plate (17), one end, which is close to each other, are fixedly connected with the second annular guide plate (18), the inner circumferential surface of the annular guide plate I (17) is fixedly provided with an annular air cushion I (21), the circumferential surface of the annular guide plate II (18) is fixedly provided with an annular air cushion II (22), the bottom end of a foundation column (9) positioned at the position of the spiral guide plate III (7) is fixedly provided with a motor III (20), an output shaft at the bottom end of the motor III (20) is fixedly connected with the top end of the annular guide plate II (18) through a flange, a motor IV (23) is arranged under the annular guide plate I (17), one end of the motor IV (23) is fixedly connected with the inner wall of the main body supporting base frame (1), the other end of the motor IV (23) is fixedly provided with a blade (24) through a flange, an annular inserting rod (25) is arranged between the annular guide plate I (17) and the annular guide plate II (18), and the top end of the annular inserting rod (25) extends upwards and is fixedly connected with the inner wall of the main body supporting base frame (1) above the annular guide plate I (17).
2. The bag opener for caked cement according to claim 1, wherein: the interior of the cement bag opening base box (2) is of a cylindrical hollow structure, and the spiral material guide discs I (5), II (6) and III (7) are concentrically arranged in the vertical direction.
3. The bag opener for caked cement according to claim 1, wherein: the spiral material guide plate I (5), the spiral material guide plate II (6) and the spiral material guide plate III (7) are arranged in the vertical direction at equal intervals, the spiral material guide plate II (6) and the arc-shaped base box I (11) are located on the same horizontal plane, the spiral material guide plate III (7) and the arc-shaped base box II (12) are located on the same horizontal plane, and the arc-shaped base box I (11) and the arc-shaped base box II (12) are both of hollow structures and are communicated with the cement bag opening base box (2).
4. The bag opener for caked cement according to claim 1, wherein: the radius of the top end of the first annular material guide plate (17) is larger than that of the bottom end of the first annular material guide plate, the radius of the top end of the second annular material guide plate (18) is smaller than that of the bottom end of the second annular material guide plate, and the bottom ends of the first annular material guide plate (17) and the second annular material guide plate (18) are located on the same horizontal plane.
5. The bag opener for caked cement according to claim 1, wherein: the middle of the connecting plate (19) is of an upward bending structure, the connecting plate (19) is positioned right above the blade (24), and the connecting plate (19) and the blade (24) are completely matched in structure size and position correspondingly.
6. The bag opener for caked cement according to claim 1, wherein: the first annular air cushion (21) and the second annular air cushion (22) are positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081949.5A CN113955254B (en) | 2021-09-15 | 2021-09-15 | Bag opening device suitable for caking cement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081949.5A CN113955254B (en) | 2021-09-15 | 2021-09-15 | Bag opening device suitable for caking cement |
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| CN113955254A true CN113955254A (en) | 2022-01-21 |
| CN113955254B CN113955254B (en) | 2023-03-07 |
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| CN106944186A (en) * | 2017-01-19 | 2017-07-14 | 长兴宏诚机械科技有限公司 | A kind of granular mill of caking fertiliser |
| CN111153071A (en) * | 2020-02-10 | 2020-05-15 | 湖南天桥环境科技有限公司 | Categorised collection device of domestic waste |
| CN113148682A (en) * | 2021-04-27 | 2021-07-23 | 哈尔滨创博智能装备有限公司 | Ton package unloader |
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