CN114536527B - Cutting recovery system for autoclaved aerated concrete block leftover materials - Google Patents
Cutting recovery system for autoclaved aerated concrete block leftover materials Download PDFInfo
- Publication number
- CN114536527B CN114536527B CN202210186565.8A CN202210186565A CN114536527B CN 114536527 B CN114536527 B CN 114536527B CN 202210186565 A CN202210186565 A CN 202210186565A CN 114536527 B CN114536527 B CN 114536527B
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- Prior art keywords
- rotating
- collecting
- fixedly connected
- cutting
- sliding
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/18—Apparatus or processes for treating or working the shaped or preshaped articles for removing burr
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a cutting and recycling system for leftover materials of autoclaved aerated concrete blocks, which comprises a base, wherein the base is provided with a plurality of cutting and recycling grooves; the fixed slide rail is fixedly connected to the base; the collecting groove is formed in the base, and the fixed sliding rail is interrupted into two sections by the collecting groove; the top end of the collecting tank supports the rotating plate through a rotating supporting piece, a rotating sliding rail is fixedly connected to the rotating plate, and the rotating sliding rail can be matched with the two sections of fixed sliding rails; and the collecting mechanism is used for directionally collecting the waste materials in the collecting tank and is matched with the rotating support piece. According to the invention, the blank on the transport vehicle can be cut through the cutting assembly, and the redundant part is removed, so that the size of the blank is in accordance with the specification, and leftover materials are not generated in the subsequent horizontal and vertical cutting processes, so that the leftover materials can drop from the concrete blank at one position, and the leftover materials can be collected more conveniently.
Description
Technical Field
The invention belongs to the technical field of autoclaved aerated concrete blocks, and particularly relates to a cutting and recycling system for leftover materials of autoclaved aerated concrete blocks.
Background
The autoclaved aerated concrete block is a porous concrete product which is prepared by taking fly ash, lime, cement, gypsum, slag and the like as main raw materials, adding a proper amount of gas generating agent, regulator and bubble stabilizer, and carrying out the technological processes of proportioning and stirring, pouring, standing, cutting, high-pressure steam curing and the like.
In the cutting technology, mainly cut the concrete blank that has not hardened through wire cutting rope for it becomes to satisfy people's demand, small-size building block structure, but at the in-process body of cutting often has some leftover bits, and because the body structure at this moment is softer, the leftover bits are smashed easily and are dropped from the body, at this moment often need through the manual work in time clear up and transport, avoid the leftover bits to pile up transportation and the normal cutting that influence the body, will lead to personnel's intensity of labour great like this.
Therefore, we propose a cutting recovery system for autoclaved aerated concrete block scraps to solve the problems.
Disclosure of Invention
In order to solve the problems, the invention provides a cutting and recycling system for leftover materials of autoclaved aerated concrete blocks, which can trim a green body before horizontal and vertical cutting is carried out on the green body, directly remove the leftover materials on the green body, and realize centralized collection of the leftover materials so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a cutting recovery system for autoclaved aerated concrete block scraps comprises a base; the fixed slide rail is fixedly connected to the base;
the collecting groove is formed in the base, and the fixed sliding rail is interrupted into two sections by the collecting groove; the collecting tank comprises a rotating plate, wherein the top end of the collecting tank is supported by a rotating supporting piece, a rotating sliding rail is fixedly connected to the rotating plate, and the rotating sliding rail can be matched with two sections of fixed sliding rails;
the collecting mechanism is used for directionally collecting the waste materials in the collecting tank and is matched with the rotating supporting piece,
the transport vehicle is used for transporting the cut concrete blank and can move along the fixed slide rail and the rotary slide rail; the discharge port is fixedly communicated with the collecting tank;
the support frames are provided with two groups, are positioned at two sides of the collecting tank and are oppositely arranged; the lifting mechanism is arranged on the supporting frame; and the cutting assembly is used for cutting the concrete blank and is connected with the lifting mechanism through the transverse connecting mechanism.
Further, the collecting groove is a circular groove, and two ends of the rotating plate are arc-shaped structures.
Further, the rotation support piece comprises a fixed cylinder fixedly connected inside the collecting tank, a rotation cylinder coaxially and rotatably connected with the top end of the fixed cylinder and a rotation motor positioned inside the fixed cylinder, wherein the rotation motor is used for driving the rotation cylinder to rotate, and the top end of the rotation cylinder is fixedly connected with the bottom end of the rotation plate.
Further, the collection mechanism comprises an arc plate fixedly connected to the side of the rotary cylinder ring, the bottom end of the arc plate is in sliding connection with the collection groove, and the arc plate is provided with a plurality of arc plates and is rotationally symmetrical to the central axis of the rotary cylinder.
Further, elevating system is including seting up spout, sliding connection at the inside sliding block of spout, the threaded rod that runs through the sliding block and the driving motor of drive threaded rod on the support frame lateral wall, spout and sliding block all are equipped with two, the threaded rod rotates to be connected inside one of them spout, and threaded rod and sliding block threaded connection, driving motor fixed connection is on the support frame roof.
Further, the transverse connection mechanism comprises an electric push rod, the axis of the electric push rod is horizontal, and two ends of the electric push rod are respectively connected with the sliding block and the cutting assembly.
Further, the cutting assembly comprises two connecting blocks fixedly connected with the two electric push rods respectively, and a cutting knife fixedly connected between the two connecting blocks.
Further, a water pipe is fixedly connected to the top end of the side of the collecting groove ring, and a spray head is fixedly communicated with the water pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the cutting assembly is arranged to cut the blank on the transport vehicle, so that the redundant part is removed, the size of the blank is in accordance with the specification, and leftover materials are not generated in the subsequent horizontal and vertical cutting processes, so that the leftover materials can drop from the concrete blank at one position, and the leftover materials can be collected more conveniently; the leftover materials that can realize being cut through setting up the collecting vat and drop to the collecting vat inside to can realize gathering the leftover materials through collecting mechanism, finally discharge from the discharge gate, and then the in-process need not personnel and carries out the clearance collection of leftover materials.
Drawings
Fig. 1 is a schematic perspective view of a cutting and recycling system for leftover materials of autoclaved aerated concrete blocks;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
fig. 3 is a schematic structural view of a base in a cutting and recycling system in leftover materials of autoclaved aerated concrete blocks;
fig. 4 is a schematic structural diagram of a collecting tank in the cutting and recycling system for leftover materials of autoclaved aerated concrete blocks;
fig. 5 is a schematic diagram of a cross-sectional structure of a rotary support in a cutting and recycling system for leftover materials of autoclaved aerated concrete blocks.
In the figure: 1. a base; 11. a collection tank; 12. a discharge port; 13. a water pipe; 14. a spray head; 2. fixing the sliding rail; 3. a rotating plate; 31. rotating the slide rail; 4. rotating the support; 41. a fixed cylinder; 42. a rotating cylinder; 43. a rotating motor; 5. a collection mechanism; 51. an arc-shaped plate; 6. a transport vehicle; 7. a support frame; 8. a lifting mechanism; 81. a chute; 82. a sliding block; 83. a threaded rod; 84. a driving motor; 9. a cutting assembly; 91. a connecting block; 92. a cutting knife; 10. a transverse connection mechanism; 101. an electric push rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 5, a cutting and recycling system for leftover materials of autoclaved aerated concrete blocks comprises a base 1, a fixed sliding rail 2, a rotating plate 3, a collecting tank 11 and a transport vehicle 6.
The collecting tank 11 is arranged on the base 1, the fixed slide rail 2 is fixedly connected to the base 1, and the fixed slide rail 2 is interrupted into two sections by the collecting tank 11; the top end of the collecting tank 11 supports the rotating plate 3 through the rotating supporting piece 4, the rotating plate 3 is fixedly connected with a rotating sliding rail 31, and the rotating sliding rail 31 can be matched with the two sections of fixed sliding rails 2.
The transport vechicle 6 is used for transporting the concrete body that is cut, can remove along fixed slide rail 2 and rotation slide rail 31, is equipped with on the transport vechicle 6 with fixed slide rail 2 and rotation slide rail 31 matched with gyro wheel, is equipped with actuating mechanism on the transport vechicle 6 and can realize driving the gyro wheel rotation, realizes the removal of transport vechicle 6.
The rotation support 4 comprises a fixed cylinder 41 fixedly connected in the collecting tank 11, a rotation cylinder 42 coaxially and rotatably connected with the top end of the fixed cylinder 41, and a rotation motor 43 positioned in the fixed cylinder 41, wherein the rotation motor 43 is used for driving the rotation cylinder 42 to rotate, and the top end of the rotation cylinder 42 is fixedly connected with the bottom end of the rotation plate 3.
That is, the rotation of the rotating cylinder 42 can be achieved through the rotating motor 43, wherein the structure between the rotating motor 43 and the rotating cylinder 42 can further achieve the rotation of the rotating cylinder 42 through the reduction mechanism, and the rotating motor 43 can slowly drive the rotating cylinder 42 to rotate with more torque. The rotating cylinder 42 can rotate the transport vehicle 6 on the rotating slide rail 31 through the rotating slide rail 31, so that the direction of the concrete blank on the transport vehicle 6 is changed.
It should be noted that, the collecting tank 11 is a circular groove, and two ends of the rotating plate 3 are arc structures, so that the rotating plate 3 can rotate inside the collecting tank 11 better, and the rotating slide rail 31 can be matched with the fixed slide rail 2 better.
The invention also comprises a supporting frame 7, a lifting mechanism 8 and a cutting assembly 9, wherein the supporting frame 7 is fixedly connected to the base 1, and the supporting frame 7 is provided with two groups which are positioned at two sides of the collecting tank 11 and are oppositely arranged.
The upgrade mechanism is arranged on the support frame 7 and its specific structure includes:
the sliding groove 81 formed in the side wall of the supporting frame 7, the sliding block 82 which is in sliding connection with the sliding groove 81, the threaded rod 83 penetrating through the sliding block 82 and the driving motor 84 for driving the threaded rod 83 are arranged in two, the threaded rod 83 is rotationally connected inside one sliding groove 81, the threaded rod 83 is in threaded connection with the sliding block 82, and the driving motor 84 is fixedly connected to the top wall of the supporting frame 7.
The cutting assembly 9 is used for cutting the concrete body and is connected with the lifting mechanism 8 through a transverse connecting mechanism 10.
The transverse connection mechanism 10 comprises an electric push rod 101, the axis of the electric push rod 101 is horizontal, and two ends of the electric push rod 101 are respectively connected with the sliding block 82 and the cutting assembly 9. The cutting assembly 9 comprises two connection blocks 91 fixedly connected with the two electric pushers 101 respectively, and a cutting blade 92 fixedly connected between the two connection blocks 91.
The cutting knife 92 is used for cutting the concrete blank on the transport vehicle 6, and the horizontal position of the cutting knife 92 can be changed through the electric push rod 101, and the vertical position of the cutting knife 92 can be changed through the lifting mechanism 8.
In the concrete cutting process, the horizontal position of the cutting knife 92 can be changed, so that the cutting knife 92 can cut off leftover materials with different sizes on the concrete blank, the concrete blank on the transport vehicle 6 can be trimmed to different degrees according to the needs, the concrete blank can not produce leftover materials in the subsequent cutting process, the leftover materials can be cut off at one time, and the leftover materials can be collected conveniently.
The invention also comprises a collecting means 5 for the directed collection of the waste material inside the collecting tank 11, the collecting means 5 being arranged in cooperation with the rotating support 4.
The collecting mechanism 5 comprises an arc-shaped plate 51 fixedly connected to the annular side of the rotary cylinder 42, the bottom end of the arc-shaped plate 51 is slidably connected with the collecting tank 11, and the arc-shaped plate 51 is provided with a plurality of arc-shaped plates and is rotationally symmetrically arranged about the central axis of the rotary cylinder 42.
In particular, when the rotating drum 42 rotates, the rotating drum 42 will drive the arc plate 51 to rotate, and the arc plate 51 rotates to push the scraps inside the collecting tank 11 to move towards the edge of the collecting tank 11. The discharge hole 12 communicated with the collecting tank 11 can be formed, so that when the leftover materials move towards the edge of the collecting tank 11, the leftover materials are finally discharged through the discharge hole 12, and further the collection of the leftover materials is realized.
It should be noted that, in actual use, the rotation direction of the rotating cylinder 42 needs to be controlled to be unidirectional rotation, and the rotating cylinder 42 drives the arc plate 51 to rotate as shown in the figure.
In addition, the top end of the ring side of the collecting tank 11 can be fixedly connected with a water pipe 13, and the water pipe 13 is fixedly communicated with a spray head 14. The water sprayed by the spray head 14 can clean the collecting tank 11 or prevent the leftover materials in the collecting tank 11 from hardening.
The operation of the present invention will now be described as follows:
firstly, the transport vehicle 6 is controlled to move on the fixed slide rail 2 at one side and to move to the rotating slide rail 31, after the transport vehicle 6 is completely supported by the rotating slide rail 31 to realize the self weight, the horizontal position of the cutting knife 92 can be changed by the electric push rod 101, then the downward movement of the structures such as the electric push rod 101, the cutting knife 92 and the like can be realized by the lifting mechanism 8, thereby realizing the cutting of the concrete blank on the transport vehicle 6, realizing the falling of the leftover materials from the concrete blank and falling into the collecting tank 11.
After the cutting is finished, the cutting knife 92 is reset through the lifting mechanism 8 and the electric push rod 101, after the cutting knife 92 is reset, the rotating cylinder 42 is rotated through the rotating motor 43, the rotating cylinder 42 is rotated by the rotating plate 3 stool structure, the concrete blank is rotated by 90 degrees, and after the rotating by 90 degrees, the secondary cutting of the cutting knife 92 to the concrete blank is realized through the electric push rod 101 and the lifting mechanism 8. The cutting of four sides of the concrete blank can be realized through the twice cutting, and the leftover materials on the concrete are removed, so that the phenomenon that the leftover materials are not generated in the subsequent horizontal cutting and vertical cutting processes of the concrete is avoided. Excess scrap is cut by the cutter 92 and will fall into the collection trough 11 for collection.
After the cutting is completed, the rotary motor 43 is led to rotate again through the rotary cylinder 42 until the rotary slide rail 31 is matched with the fixed slide rail 2, the transport vehicle 6 moves to the fixed slide rail 2 on the other side, and horizontal cutting and vertical cutting are realized through the subsequent cutting device, so that the block structure cut into small sizes is realized.
In the process of rotating the rotating cylinder 42, the rotating cylinder 42 also drives the arc plate 51 to rotate, and the arc plate 51 rotates to push the leftover materials in the collecting tank 11 to move towards the edge of the collecting tank 11 and finally discharge the leftover materials from the discharge hole 12, so that the automatic collection of the leftover materials is realized.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The utility model provides a cut recovery system of autoclaved aerated concrete block leftover bits which characterized in that includes: a base (1); the fixed sliding rail (2), the fixed sliding rail (2) is fixedly connected to the base (1);
the collecting groove (11), the collecting groove (11) is arranged on the base (1), and the fixed sliding rail (2) is interrupted by the collecting groove (11) to be arranged in two sections; the collecting tank comprises a rotating plate (3), wherein the top end of the collecting tank (11) supports the rotating plate (3) through a rotating supporting piece (4), a rotating sliding rail (31) is fixedly connected to the rotating plate (3), and the rotating sliding rail (31) can be matched with two sections of fixed sliding rails (2);
a collecting mechanism (5) for directionally collecting the waste material in the collecting tank (11), wherein the collecting mechanism (5) is matched with the rotary supporting piece (4),
a transport carriage (6) for transporting the cut concrete body, the transport carriage (6) being movable along a fixed slide rail (2) and a rotary slide rail (31); the discharge port (12) is fixedly communicated with the collecting tank (11);
the support frames (7) are provided with two groups, are positioned at two sides of the collecting tank (11) and are oppositely arranged; the lifting mechanism (8) is arranged on the supporting frame (7); the cutting assembly (9) is used for cutting the concrete blank and is connected with the lifting mechanism (8) through the transverse connecting mechanism (10); the collecting groove (11) is a circular groove, and two ends of the rotating plate (3) are arc-shaped structures; the rotary supporting piece (4) comprises a fixed cylinder (41) fixedly connected inside the collecting tank (11), a rotary cylinder (42) coaxially and rotatably connected with the top end of the fixed cylinder (41), and a rotary motor (43) positioned inside the fixed cylinder (41), wherein the rotary motor (43) is used for driving the rotary cylinder (42) to rotate, and the top end of the rotary cylinder (42) is fixedly connected with the bottom end of the rotary plate (3); the collecting mechanism (5) comprises an arc-shaped plate (51) fixedly connected to the annular side of the rotating cylinder (42), the bottom end of the arc-shaped plate (51) is in sliding connection with the collecting groove (11), and the arc-shaped plate (51) is provided with a plurality of arc-shaped plates and is rotationally symmetrical with respect to the central axis of the rotating cylinder (42); the lifting mechanism (8) comprises a sliding groove (81) formed in the side wall of the supporting frame (7), a sliding block (82) which is connected inside the sliding groove (81) in a sliding mode, a threaded rod (83) which penetrates through the sliding block (82) and a driving motor (84) for driving the threaded rod (83), the sliding groove (81) and the sliding block (82) are both provided with two, the threaded rod (83) is connected inside one sliding groove (81) in a rotating mode, the threaded rod (83) is connected with the sliding block (82) in a threaded mode, and the driving motor (84) is fixedly connected to the top wall of the supporting frame (7); the transverse connection mechanism (10) comprises an electric push rod (101), wherein the axis of the electric push rod (101) is horizontal, and two ends of the electric push rod are respectively connected with the sliding block (82) and the cutting assembly (9); the cutting assembly (9) comprises two connecting blocks (91) fixedly connected with the two electric push rods (101) respectively, and a cutting knife (92) fixedly connected between the two connecting blocks (91); the collecting tank (11) is fixedly connected with a water pipe (13) at the top end of the annular side, and the water pipe (13) is fixedly communicated with a spray head (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186565.8A CN114536527B (en) | 2022-02-28 | 2022-02-28 | Cutting recovery system for autoclaved aerated concrete block leftover materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186565.8A CN114536527B (en) | 2022-02-28 | 2022-02-28 | Cutting recovery system for autoclaved aerated concrete block leftover materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114536527A CN114536527A (en) | 2022-05-27 |
| CN114536527B true CN114536527B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210186565.8A Active CN114536527B (en) | 2022-02-28 | 2022-02-28 | Cutting recovery system for autoclaved aerated concrete block leftover materials |
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| CN (1) | CN114536527B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117207326B (en) * | 2023-11-07 | 2024-01-05 | 山西中正凯宏建材有限公司 | Evaporate and press aerated concrete block bottom skin excision equipment |
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| DE102008055740A1 (en) * | 2008-11-04 | 2010-05-06 | Xella Baustoffe Gmbh | Method and cutting device for cutting slab-resistant lightweight concrete cake in lightweight concrete moldings and method and apparatus for producing lightweight concrete moldings |
| WO2018000053A1 (en) * | 2016-06-30 | 2018-01-04 | Lopriano Pietro | Automatic tile cutter |
| CN213290723U (en) * | 2020-08-12 | 2021-05-28 | 唐山海港海保建材有限公司 | Evaporate and press aerated concrete block end skin resection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007083332A (en) * | 2005-09-21 | 2007-04-05 | Ｎｅｘｔ Ｉ＆Ｄ株式会社 | Cut-off device and cutter holder for the same |
| CN209869054U (en) * | 2018-10-29 | 2019-12-31 | 温继飞 | Cutting equipment for stone processing |
| CN112677299A (en) * | 2019-12-19 | 2021-04-20 | 宋文奇 | Be applied to adjustable nodal pattern cutting equipment after aerated concrete shaping |
| CN212123719U (en) * | 2020-02-28 | 2020-12-11 | 台州东部建材科技有限公司 | Prefabricated part batching mechanism |
| CN213918842U (en) * | 2020-11-05 | 2021-08-10 | 张家港市菱镁机械有限公司 | Cutting device is used in processing of sulphur magnesium panel |
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2022
- 2022-02-28 CN CN202210186565.8A patent/CN114536527B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008055740A1 (en) * | 2008-11-04 | 2010-05-06 | Xella Baustoffe Gmbh | Method and cutting device for cutting slab-resistant lightweight concrete cake in lightweight concrete moldings and method and apparatus for producing lightweight concrete moldings |
| WO2018000053A1 (en) * | 2016-06-30 | 2018-01-04 | Lopriano Pietro | Automatic tile cutter |
| CN213290723U (en) * | 2020-08-12 | 2021-05-28 | 唐山海港海保建材有限公司 | Evaporate and press aerated concrete block end skin resection device |
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| Publication number | Publication date |
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| CN114536527A (en) | 2022-05-27 |
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