CN112830039B - Bag breaking equipment for cement bags for buildings - Google Patents
Bag breaking equipment for cement bags for buildings Download PDFInfo
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- CN112830039B CN112830039B CN202110086527.0A CN202110086527A CN112830039B CN 112830039 B CN112830039 B CN 112830039B CN 202110086527 A CN202110086527 A CN 202110086527A CN 112830039 B CN112830039 B CN 112830039B
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- wall
- bag
- cement
- conveyor belt
- movably connected
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Abstract
The invention relates to the technical field of buildings and discloses a bag breaking device for cement bags for buildings, which comprises an air inlet pipe, an extrusion assembly and a bag grabbing assembly, wherein a telescopic block is fixedly arranged on the left side of the air inlet pipe, a material preparing box is fixedly arranged at the bottom end of the telescopic block, a first conveyor belt is movably connected with the top end of the material preparing box, a second conveyor belt is movably connected with the top end of the material preparing box, a bag cutting box is movably connected with the back surface of the second conveyor belt, an inclined plate is fixedly arranged on the inner wall of the bag cutting box, when a cement bag is arranged on the telescopic block, air is added through the air inlet pipe, the telescopic block is extended to drive the cement bag to move, in the moving process of the cement bag, the cement bag is driven to move on the first conveyor belt under the influence of a pushing block of the first conveyor belt, and when the cement bag moves to the right side of the first conveyor belt, a blade arranged on a driven wheel of the first conveyor belt can cut the bottom end of the cement bag, so that the cement ash falls onto the inclined plate to cut the bag.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a bag breaking device for a cement bag for a building.
Background
The development of science and technology makes people's life more convenient, and science and technology not only embodies in super advanced science and technology, also everywhere is visible in the life, in the building field, can have fine embodiment, for the speed that improves the construction period is accomplished to the building, has used a lot of scientific and technological equipment, but because the production progress has increased, the speed of providing of that raw and other materials also need accelerate, so many building sites all adopt the broken equipment of package of cement bag.
The cement bag breaking equipment comprises a cutter roller, a cutter blade, a cutter and a cutter blade, a cutter.
Disclosure of Invention
In order to achieve the purpose that the cement bag cannot enter cement ash, the invention provides the following technical scheme: the utility model provides a broken package equipment of cement bag for building, includes intake pipe, extrusion subassembly and grabs the bag subassembly, the left side fixed mounting of intake pipe has flexible piece, the bottom fixed mounting of flexible piece has the magazine of being equipped with, the top swing joint who is equipped with the magazine has first conveyer belt, the top swing joint who is equipped with the magazine has the second conveyer belt, the back swing joint of second conveyer belt has the bag box of cutting, the inner wall fixed mounting who cuts the bag box has the swash plate, the inner wall that cuts the bag box and the back swing joint of extrusion subassembly, the outer wall of extrusion subassembly with grab the bottom fixed connection of bag subassembly.
As an optimization, the extrusion subassembly includes the outer lane, the inner wall swing joint of outer lane has the disc, the top fixed mounting of disc has the telescopic link, the top fixed mounting of telescopic link has first heavy thing piece, the top fixed mounting of first heavy thing piece has the ejector pin, the inner wall fixed mounting of outer lane has the shell fragment, the bottom fixed mounting of disc has the spring, the bottom fixed mounting of spring has the inner circle, logical groove has been seted up to the inner wall of inner circle.
As optimization, the bag grabbing component comprises a convex pipe, a sliding groove is formed in the inner wall of the convex pipe, a second heavy object block is movably connected to the inner wall of the sliding groove, a convex rod is fixedly mounted at the top end of the second heavy object block, a moving ball is movably connected to the inner wall of the convex pipe, a groove is formed in the outer wall of the moving ball, a grabbing rod is movably connected to the inner wall of the groove, and a limiting block is fixedly mounted on the inner wall of the convex pipe.
Preferably, the back of the inner ring is provided with a motor, an output shaft of the motor is fixedly connected with the inner wall of the bearing, the back of the inner ring is fixedly connected with the inner wall of the bearing, the outer wall of the output shaft of the motor is provided with an air pump, and the air pump is fixedly connected with the outer wall of the bearing through a connecting pipe, so that the inner ring can be filled with air by the air pump in the rotating process.
Preferably, the number of the springs and the structures of the springs are three, and the three springs and the structures of the springs are uniformly distributed by taking the circle center of the outer ring as the center, so that the first weight block can move in the inner wall of the outer ring in batches in the rotating process of the outer ring.
Preferably, the number of the elastic sheets is six, every two elastic sheets are in one group, and each group of the elastic sheets are symmetrically distributed with the vertical center line of the first heavy object block, so that the first heavy object block can be extruded by the limitation of the elastic sheets, and the first heavy object block can move faster when passing through the elastic sheets.
As optimization, the length of the ejector rod is equal to the distance from one side of the moving ball close to the limiting block, so that the second heavy object block can be pressed in the moving process of the ejector rod, and the moving ball is pushed to move.
As optimization, the number of the convex pipes and the structures of the convex pipes are three, and the structures of the three convex pipes and the convex pipes are uniformly distributed by taking the circle center of the outer ring as the center, so that cement bags can be grabbed in batches in the rotating process of the outer ring, and the bag breaking progress is accelerated.
As optimization, the bottom of protruding pipe and the outer wall fixed connection of outer lane, and first heavy thing piece is located same vertical center line with the second heavy thing piece, and the outer wall of second conveyer belt is provided with the contact pin, the outer wall of first conveyer belt is provided with promotes the piece, and be provided with the blade in the one end that first conveyer belt is close to the outer lane, first conveyer belt is including action wheel and follow driving wheel, action wheel and the outer wall of following driving wheel are provided with two conveyer belts, the blade is located the outer wall from the driving wheel, make when the ejector pin removes, can extrude the second heavy thing piece, and after accomplishing and grabbing bag work, can receive the contact pin influence of second conveyer belt, bring the cement bag out and cut the bag box, in the cement bag is from the feed preparation box transportation, can receive the influence of the promotion piece of first conveyer belt and remove.
The invention has the beneficial effects that: this broken package equipment of cement bag for building, use through first conveyer belt and the cooperation of the box of prepareeing material, make when the cement bag is on flexible piece, through the intake pipe air entrainment, flexible piece extension, with this drive the cement bag and remove, and at the in-process that the cement bag removed, receive the promotion piece influence of first conveyer belt, make the cement bag move on first conveyer belt, and when the cement bag removed the right side to first conveyer belt, the blade that sets up from the driving wheel of first conveyer belt can cut the bottom of cement bag open, with this cement ash drops to the swash plate on, cut bag work.
The bag breaking equipment for the cement bag for the building is matched with the bag grabbing component through the outer ring, so that in the working process of the motor and the air pump, the inner ring rotates to drive the outer ring to rotate, the air enters the inner wall of the outer ring along the through groove of the inner ring, the air extrudes the disc, the disc is forced to move towards the first heavy object block, but gas leaks out from the periphery of the disc under the influence of the first weight block, when the bag grabbing component rotates along with the outer ring to be close to the first conveyor belt, the first weight block moves to the second weight block under the influence of gravity, the disc is pushed by the aid of the gas, the elastic sheet is extruded by the first weight block, the elastic sheet reacts on the first weight block, the first weight block is accelerated to drive the ejector rod to extrude the second weight block, therefore, the second heavy object block drives the moving ball to push the grabbing rod to remove the convex pipe, so that the grabbing rod enters the cement bag and then is unfolded, the cement bag is firmly hooked, and the cement bag is prevented from falling.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional elevation view of the extrusion assembly of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic sectional front view of a portion of the extrusion assembly of the present invention;
FIG. 5 is an elevational cross-sectional view of the undeployed grab bar configuration of the present invention;
FIG. 6 is an elevational cross-sectional view of the grab bar structure of the present invention in an expanded state.
In the figure: 1. an air inlet pipe; 2. a telescopic block; 3. preparing a material box; 4. a first conveyor belt; 5. a second conveyor belt; 6. cutting the bag box; 7. a sloping plate; 8. an extrusion assembly; 801. an outer ring; 802. a disc; 803. a telescopic rod; 804. a first heavy object mass; 805. a top rod; 806. a spring plate; 807. a spring; 808. an inner ring; 809. a through groove; 9. a bag grasping assembly; 901. a convex pipe; 902. a chute; 903. a second heavy object block; 904. a nose bar; 905. moving the ball; 906. a groove; 907. a grab bar; 908. and a limiting block.
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.
Please refer to fig. 1-6, a bale breaking apparatus for cement bags for buildings comprises an air inlet pipe 1, an extrusion assembly 8 and a bag grabbing assembly 9, wherein a telescopic block 2 is fixedly installed on the left side of the air inlet pipe 1, a material preparing box 3 is fixedly installed at the bottom end of the telescopic block 2, a first conveyor belt 4 is movably connected to the top end of the material preparing box 3, a second conveyor belt 5 is movably connected to the top end of the material preparing box 3, a bag cutting box 6 is movably connected to the back surface of the second conveyor belt 5, an inclined plate 7 is fixedly installed on the inner wall of the bag cutting box 6, the inner wall of the bag cutting box 6 is movably connected to the back surface of the extrusion assembly 8, and the outer wall of the extrusion assembly 8 is fixedly connected to the bottom end of the bag grabbing assembly 9.
Referring to fig. 3-4, the pressing assembly 8 includes an outer ring 801, a disc 802 is movably connected to an inner wall of the outer ring 801, a telescopic rod 803 is fixedly installed at a top end of the disc 802, a first heavy object 804 is fixedly installed at a top end of the telescopic rod 803, a top rod 805 is fixedly installed at a top end of the first heavy object 804, elastic pieces 806 are fixedly installed on an inner wall of the outer ring 801, the number of the elastic pieces 806 is six, every two elastic pieces 806 form a group, each group of the elastic pieces 806 is symmetrically distributed around a vertical center line of the first heavy object 804, so that the first heavy object 804 can be pressed by the elastic pieces 806, the first heavy object 804 can move faster when passing through the elastic pieces 806, springs 807 are fixedly installed at a bottom end of the disc 802, the number of the springs 807 and the structures thereof is three, and the structures of the three springs 807 and the springs 807 are uniformly distributed around a center of the outer ring 801, in the rotating process of the outer ring 801, the first heavy object blocks 804 can be moved in the inner wall of the outer ring 801 in batches, the inner ring 808 is fixedly installed at the bottom end of the spring 807, the motor is arranged on the back face of the inner ring 808, an output shaft of the motor is fixedly connected with the inner wall of the bearing, the back face of the inner ring 808 is fixedly connected with the inner wall of the bearing, the air pump is arranged on the outer wall of the output shaft of the motor and fixedly connected with the outer wall of the bearing through a connecting pipe, so that in the rotating process of the inner ring 808, air can be filled by the air pump, and the through groove 809 is formed in the inner wall of the inner ring 808.
Referring to fig. 5-6, the bag-grasping assembly 9 includes three convex tubes 901, the number of the convex tubes 901 and the structures of the convex tubes 901 is three, and the three convex tubes 901 and the structures of the convex tubes 901 are uniformly distributed around the center of the outer ring 801, so that during the rotation of the outer ring 801, cement bags can be grasped in batches to increase the speed of bag breaking, the inner wall of the convex tube 901 is provided with a chute 902, the inner wall of the chute 902 is movably connected with a second heavy object 903, the bottom ends of the convex tubes 901 are fixedly connected with the outer wall of the outer ring 801, the first heavy object 804 and the second heavy object 903 are located on the same vertical center line, the outer wall of the second conveyor belt 5 is provided with pins, the outer wall of the first conveyor belt 4 is provided with a pushing block, and one end of the first conveyor belt 4 close to the outer ring 801 is provided with a blade, the first conveyor belt 4 includes a driving wheel and a driven wheel, and the outer walls of the driving wheel and the driven wheel are provided with two conveyor belts, the blade is located the outer wall of follow driving wheel, make when ejector pin 805 removes, can extrude second heavy object piece 903, and after accomplishing the work of grabbing the bag, can receive the contact pin influence of second conveyer belt 5, bring out the cement bag and cut bag box 6, in cement bag from feed preparation box 3 transportation, can receive the influence of the promotion piece of first conveyer belt 4 and remove, the top fixed mounting of second heavy object piece 903 has nose bar 904, the inner wall swing joint of nose bar 901 has removal ball 905, the outer wall of removal ball 905 has seted up recess 906, the inner wall swing joint of recess 906 has grabbing pole 907, the inner wall fixed mounting of nose bar 901 has stopper 908, the length of ejector pin 805 equals the distance that moves one side that ball 905 is close to stopper 908, make in the in-process that ejector pin 805 removes, can extrude second heavy object piece 903, thereby promote the removal ball 905 and remove.
When in use, referring to fig. 1-6, a cement bag is placed on the top of the telescopic block 2, air is introduced into the air inlet pipe 1 to extend the telescopic block 2, thereby driving the cement bag to move, the motor is turned on, the first conveyor belt 4, the second conveyor belt 5 and the air pump are connected, the pushing block of the first conveyor belt 4 drives the cement bag to move towards the outer ring 801, at this time, the air pump supplies air to the inner ring 808, air enters the inner wall of the outer ring 801 through the through groove 809 to squeeze the disc 802, when the bag grabbing component 9 is close to the first conveyor belt 4, the first weight block 804 descends and moves under the influence of gravity, the disc 802 squeezes and pushes the first weight block 804 to squeeze the elastic piece 806, the elastic piece 806 makes the first weight block 804 accelerate to drive the ejector rod 805 to squeeze the second weight block 903, the second weight block 903 is forced to move to drive the protruding rod 904 to squeeze the moving ball 905, the moving ball 905 moves towards the direction of the cement bag to drive the grabbing rod 907, and along with the movement of the moving ball 905, the grabbing rod 907 is unfolded, so that the cement bag is grabbed by the grabbing rod 907 and cannot fall off, when the cement bag moves to the right side of the first conveyor belt 4, the bottom end of the cement bag is cut off by the blade, cement ash falls onto the inclined plate 7, the cement bag continues to rotate along with the outer ring 801, when the convex pipe 901 is vertical, the first weight block 804 falls by gravity, the second weight block 903 and the moving ball 905 return to the initial position, so that the grabbing rod 907 is driven to return to the inner cavity of the convex pipe 901, the grabbing rod 907 is retracted, the cement bag is removed from the inner cavity of the bag cutting box 6 under the influence of the inserting needle of the second conveyor belt 5, and the bag cutting process is completed.
In conclusion, the bag breaking equipment for the cement bag for the building is characterized in that the first conveyor belt 4 is matched with the material preparation box 3, when the cement bag is arranged on the telescopic block 2, the air is added through the air inlet pipe 1, the telescopic block 2 is extended to drive the cement bag to move, and in the moving process of the cement bag, the cement bag is influenced by the pushing block of the first conveyor belt 4 to move on the first conveyor belt 4, and when the cement bag moves to the right side of the first conveyor belt 4, the bottom end of the cement bag can be cut by the blade arranged on the driven wheel of the first conveyor belt 4, so that cement ash falls onto the inclined plate 7 to carry out bag cutting work, in the working process of the motor and the air pump, the inner ring 808 rotates to drive the outer ring 801 to rotate, the gas enters the inner wall of the outer ring 801 along the through groove 809 of the inner ring 808, the gas extrudes the disc 802, the disc 802 is forced to move to the first weight block 804, but the gas leaks from the periphery of the disc 802 under the influence of the first weight block 804, when the bag grabbing component 9 rotates to be close to the first conveyor belt 4 along with the outer ring 801, the first weight block 804 moves towards the second weight block 903 under the influence of gravity, the disc 802 is pushed by the aid of gas, the elastic piece 806 is squeezed by the first weight block 804, the elastic piece 806 reacts on the first weight block 804, the first weight block 804 accelerates to drive the ejector rod 805 to squeeze the second weight block 903, the second weight block 903 drives the movable ball 905 to push the grabbing rod 907 to remove the convex pipe 901, and the grabbing rod 907 enters the cement bag and then expands to firmly hook the cement bag to prevent the cement bag from falling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a broken package equipment of cement bag for building, includes intake pipe (1), extrusion subassembly (8) and grabs bag subassembly (9), its characterized in that: the bag cutting machine is characterized in that a telescopic block (2) is fixedly mounted on the left side of the air inlet pipe (1), a material preparing box (3) is fixedly mounted at the bottom end of the telescopic block (2), a first conveying belt (4) is movably connected to the top end of the material preparing box (3), a second conveying belt (5) is movably connected to the top end of the material preparing box (3), a bag cutting box (6) is movably connected to the back side of the second conveying belt (5), an inclined plate (7) is fixedly mounted on the inner wall of the bag cutting box (6), the inner wall of the bag cutting box (6) is movably connected to the back side of an extrusion assembly (8), and the outer wall of the extrusion assembly (8) is fixedly connected to the bottom end of a bag grabbing assembly (9);
the extrusion assembly (8) comprises an outer ring (801), a disc (802) is movably connected to the inner wall of the outer ring (801), a telescopic rod (803) is fixedly installed at the top end of the disc (802), a first heavy object block (804) is fixedly installed at the top end of the telescopic rod (803), a push rod (805) is fixedly installed at the top end of the first heavy object block (804), an elastic sheet (806) is fixedly installed on the inner wall of the outer ring (801), a spring (807) is fixedly installed at the bottom end of the disc (802), an inner ring (808) is fixedly installed at the bottom end of the spring (807), and a through groove (809) is formed in the inner wall of the inner ring (808);
grab bag subassembly (9) and include stand pipe (901), spout (902) have been seted up to the inner wall of stand pipe (901), the inner wall swing joint of spout (902) has second heavy thing piece (903), the top fixed mounting of second heavy thing piece (903) has nose bar (904), the inner wall swing joint of stand pipe (901) has removal ball (905), the outer wall of removal ball (905) is seted up flutedly (906), the inner wall swing joint of recess (906) has grab bar (907), the inner wall fixed mounting of stand pipe (901) has stopper (908).
2. The equipment for breaking the cement bags for buildings according to claim 1, characterized in that: the back of the inner ring (808) is provided with a motor, an output shaft of the motor is fixedly connected with the inner wall of the bearing, the back of the inner ring (808) is fixedly connected with the inner wall of the bearing, an air pump is arranged on the outer wall of the output shaft of the motor, and the air pump is fixedly connected with the outer wall of the bearing through a connecting pipe.
3. The bag breaking equipment for cement bags for buildings according to claim 1, characterized in that: the number of the springs (807) and the structures of the springs (807) is three, and the three springs (807) and the structures of the springs (807) are uniformly distributed by taking the circle center of the outer ring (801) as the center.
4. The bag breaking equipment for cement bags for buildings according to claim 1, characterized in that: the number of the elastic pieces (806) is six, every two elastic pieces (806) form a group, and each group of the elastic pieces (806) is symmetrically distributed around the vertical center line of the first heavy object block (804).
5. The equipment for breaking the cement bags for buildings according to claim 1, characterized in that: the length of the mandril (805) is equal to the distance from one side of the moving ball (905) close to the limit block (908).
6. The bag breaking equipment for cement bags for buildings according to claim 1, characterized in that: the number of the convex pipes (901) and the structures to which the convex pipes (901) belong is three, and the structures to which the three convex pipes (901) and the convex pipes (901) belong are uniformly distributed by taking the circle center of the outer ring (801) as the center.
7. The bag breaking equipment for cement bags for buildings according to claim 1, characterized in that: the bottom of protruding pipe (901) and the outer wall fixed connection of outer lane (801), and first heavy object piece (804) and second heavy object piece (903) are located same vertical center line, and the outer wall of second conveyer belt (5) is provided with the contact pin, the outer wall of first conveyer belt (4) is provided with and promotes the piece, and the one end that is close to outer lane (801) in first conveyer belt (4) is provided with the blade, first conveyer belt (4) are including action wheel and follow driving wheel, the outer wall of action wheel and follow driving wheel is provided with two conveyer belts, the blade is located the outer wall from the driving wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086527.0A CN112830039B (en) | 2021-01-22 | 2021-01-22 | Bag breaking equipment for cement bags for buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086527.0A CN112830039B (en) | 2021-01-22 | 2021-01-22 | Bag breaking equipment for cement bags for buildings |
Publications (2)
| Publication Number | Publication Date |
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| CN112830039A CN112830039A (en) | 2021-05-25 |
| CN112830039B true CN112830039B (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110086527.0A Active CN112830039B (en) | 2021-01-22 | 2021-01-22 | Bag breaking equipment for cement bags for buildings |
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| CN (1) | CN112830039B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114379887B (en) * | 2021-12-25 | 2023-05-02 | 上海港圣机械设备制造有限公司 | Powder unpacking equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401558A (en) * | 2014-11-19 | 2015-03-11 | 四川洪春福环保设备有限公司 | Garbage bag breaking system |
| CN104890963B (en) * | 2015-03-27 | 2017-07-21 | 华侨大学 | One kind upset blanking device |
| CN106742449A (en) * | 2017-03-15 | 2017-05-31 | 汉瑞普泽粉粒体技术（上海）有限公司 | A kind of automatic Unpacking of small intelligent |
| CN110027759A (en) * | 2018-01-12 | 2019-07-19 | 江苏邦盛生物科技有限责任公司 | A kind of automatic shearing bag is unpacked device |
| CN109080922B (en) * | 2018-06-08 | 2020-05-12 | 重庆萱涵建筑工程有限公司 | Cement bag dismounting and collecting device |
| CN111891515B (en) * | 2020-08-11 | 2022-10-04 | 林春华 | Novel cement transportation equipment of environmental protection |
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| CN112830039A (en) | 2021-05-25 |
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Effective date of registration: 20220725 Address after: 830000 room 1603, unit C, building 1, Kangcheng green phase II, No. 966, Hebei East Road, Urumqi high tech Industrial Development Zone (new urban area), Xinjiang Uygur Autonomous Region Applicant after: Xinjiang Liangyu Construction Group Co.,Ltd. Address before: 310000 No.21, East Xianlin Road, Xianlin street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Gong Weiwei |
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