CN109202987B - Rubber production is with adjustable rubber cutter - Google Patents
Rubber production is with adjustable rubber cutter Download PDFInfo
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- CN109202987B CN109202987B CN201811182729.XA CN201811182729A CN109202987B CN 109202987 B CN109202987 B CN 109202987B CN 201811182729 A CN201811182729 A CN 201811182729A CN 109202987 B CN109202987 B CN 109202987B
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- adjusting
- rubber
- fixed
- blade
- side wall
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to an adjustable rubber cutter for rubber production, which comprises a mounting frame and a rubber cutting device, wherein the mounting frame is of an inverted U-shaped structure, a sliding groove is formed in the lower end of the mounting frame, the rubber cutting device is installed in the sliding groove, the rubber cutting device comprises a base plate, a fixed cutter frame, an adjusting gear, a mounting plate, an adjusting motor, a blade, a scraping frame, a buffer spring, a connecting frame and a rubber cutting cylinder, the adjusting frame comprises fixed cylinders and adjusting screws, the number of the fixed cylinders is two, and the two fixed cylinders are symmetrically arranged in the front and back direction. The automatic rubber cutting machine can solve the problems that the adjustability is poor, raw rubber is easy to adhere to a blade, manual cleaning is needed, potential safety hazards are large and the like in the rubber cutting process of the conventional rubber raw rubber, can realize automatic rubber cutting, and has the advantages of flexibility in adjustment, difficulty in adhesion of raw rubber to the blade, no need of manual cleaning of the blade, high safety and the like.
Description
Technical Field
The invention relates to the field of rubber production and processing equipment, in particular to an adjustable rubber cutter for rubber production.
Background
The rubber is a high-elasticity polymer material with reversible deformation, has elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, and rubber products are widely applied to various aspects of industry or life, wherein the rubber without mixing ingredients is called as raw rubber. In the production and processing of rubber, raw rubber needs to be cut into small pieces in order to enable the raw rubber and the compounding ingredients to be uniformly mixed. Current bale splitter is at the during operation, because the crude rubber has certain adhesive property, consequently, the bale splitter easily adheres on the blade at bale splitter in-process crude rubber, in order to guarantee the normal clear of follow-up work, need the staff to clear up the crude rubber of adhesion on the blade, in case misoperation, cause the injury to the staff health easily, there is certain potential safety hazard, and current bale splitter often realizes the purpose of adjusting the stripping size through the upper and lower speed of adjusting the cutter, can't directly adjust the stripping size, consequently, there is certain error, it is relatively poor to adjust the precision, cause the influence to the bale splitter effect easily.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the adjustable rubber cutting knife for rubber production, which can solve the problems of poor adjustability, easy adhesion of raw rubber on a blade, manual cleaning, large potential safety hazard and the like in the rubber cutting process of the conventional raw rubber, can realize automatic rubber cutting, and has the advantages of flexible adjustment, difficult adhesion of raw rubber to the blade, no need of manual cleaning of the blade, high safety and the like.
The technical scheme adopted by the invention to solve the technical problem is as follows: an adjustable rubber cutter for rubber production comprises a mounting frame and a rubber cutting device, wherein the mounting frame is of an inverted U-shaped structure, a sliding groove is formed in the lower end of the mounting frame, and the rubber cutting device is mounted in the sliding groove; wherein:
the rubber cutting device comprises a substrate, a fixed knife rest, an adjusting frame, an adjusting gear, a mounting plate, an adjusting motor, a blade, a scraping frame, a buffer spring, a connecting frame and a rubber cutting cylinder, wherein the front end and the rear end of the substrate are both arranged on the side wall of the mounting frame, adjusting grooves are symmetrically formed in the left end and the right end of the substrate, a fixing groove is formed in the middle of the substrate, the fixed knife rest is arranged in the fixing groove, the fixed knife rest is of a hollow cuboid structure with an upper opening and a lower opening, auxiliary plates are symmetrically arranged on the left side and the right side of the upper end of the fixed knife rest, the adjusting frames are symmetrically arranged on the left side and the right side of the fixed knife rest, the adjusting frame side wall is connected with the adjusting knife rest side wall, the adjusting gear is arranged on the outer side of the, the adjusting motor output shaft is connected with one end of an adjusting gear through a coupler, the adjusting frame comprises two fixed cylinders and an adjusting screw rod, the two fixed cylinders are symmetrically arranged in front and back, the fixed cylinders are of a hollow cylindrical structure, convex teeth are uniformly arranged on the outer sides of the fixed cylinders along the circumferential direction of the fixed cylinders and are meshed with the adjusting gear, the fixed cylinders are connected with one ends of the adjusting screw rod in a threaded connection mode, the other ends of the adjusting screw rod are connected with the side wall of the adjusting tool rest, the fixed cylinders of the two adjusting frames positioned in the middle are both arranged on the side wall of the fixed tool rest, the other two fixed cylinders are arranged on the corresponding side wall of the adjusting tool rest, the adjusting tool rest is arranged in the adjusting groove in a sliding fit mode, the adjusting tool rest and the fixed tool rest are identical in structure, blades are arranged in the adjusting tool rest and the fixed tool rest in a sliding fit, and the side wall of the scraping frame is tightly attached to the side wall of the blade, the blade is of a T-shaped structure, vertical square grooves are uniformly formed in the left side wall and the right side wall of the blade from left to right, the lower end of the blade is connected with one end of a buffer spring, the other end of the buffer spring is installed on a corresponding adjusting tool rest or a corresponding fixing tool rest, the upper end of the blade is connected with the lower end of a connecting frame, the connecting frame is divided into a fixed end and a telescopic end, the fixed end is connected with the blade, the telescopic end is installed on the left side and the right side of the fixed end, the telescopic end is of a left-right telescopic structure; the adjusting gear is driven to rotate by the adjusting motor, the fixed cylinder rotates along with the adjusting gear in the rotating process of the adjusting gear, so that the length of a part, connected with the fixed cylinder, of the adjusting screw rod is changed, the distance between adjacent blades can be changed, when the blade distance reaches the actual working requirement, the adjusting motor stops rotating, then the blades are driven to synchronously and linearly move through the telescopic movement of the rubber cutting cylinder, so that the blades can cut raw rubber, the buffer springs can play a certain buffer role on the blades in the vertical linear movement process of the blades to prevent the blades from being damaged, and the condition that the raw rubber is adhered to the blades can be avoided under the common matching action of vertical square grooves formed in the side walls of the blades and the scraping frame, the normal operation of the cutting blocks is ensured, the raw rubber adhered to the blades does not need to be manually cleaned, and the potential safety hazard existing when the blades are manually contacted with a cutter is eliminated, the safety in the working process is improved, the size of the cutting block can be adjusted according to the actual working condition, the adjustment is flexible, and the application range is wide.
When the rubber cutting machine works, the adjusting gear is driven to rotate by the adjusting motor, the fixed cylinder rotates along with the adjusting gear in the rotating process of the adjusting gear, so that the length of a part, connected with the fixed cylinder, of the adjusting screw rod is changed, the distance between adjacent blades can be changed, when the blade distance reaches the actual working requirement, the adjusting motor stops rotating, when raw rubber is conveyed to the position under the rubber cutting device by the existing equipment, the blades are driven to do synchronous linear motion through the telescopic motion of the rubber cutting cylinder, so that the blades can cut the raw rubber into blocks, in the process of the vertical linear motion of the blades, the buffer spring can play a certain buffer role on the blades, the blades are prevented from being damaged, and under the common matching action of the vertical square grooves formed in the side walls of the blades and the scraping frame, the phenomenon that the raw rubber is attached to the rubber blades can be avoided, and the normal operation of the blocks is ensured, the automatic rubber cutting machine can solve the problems that the adjustability is poor, raw rubber is easy to adhere to a blade, manual cleaning is needed, potential safety hazards are large and the like in the rubber cutting process of the conventional rubber raw rubber, and can realize automatic rubber cutting.
Compared with the prior art, the invention has the following advantages:
1. the automatic rubber cutting machine can solve the problems that the adjustability is poor, raw rubber is easy to adhere to a blade, manual cleaning is needed, potential safety hazards are large and the like in the rubber cutting process of the conventional rubber raw rubber, can realize automatic rubber cutting, and has the advantages of flexibility in adjustment, difficulty in adhesion of raw rubber to the blade, no need of manual cleaning of the blade, high safety and the like;
2. the cutting device is arranged, so that the condition that raw rubber is adhered to the blade can be avoided, the normal operation of cutting is ensured, the raw rubber adhered to the blade does not need to be cleaned manually, the potential safety hazard existing when the raw rubber is in manual contact with a cutter is eliminated, the safety in the working process is improved, the size of the cut block can be adjusted according to the actual working condition, the adjustment is flexible, and the application range is wide.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the fitting between the mounting frame and the glue cutting device according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
As shown in fig. 1 to 3, an adjustable rubber cutter for rubber production comprises an installation frame 2 and a rubber cutting device 3, wherein the installation frame 2 is of an inverted U-shaped structure, a sliding groove is formed at the lower end of the installation frame 2, and the rubber cutting device 3 is installed in the sliding groove; wherein:
the glue cutting device 3 comprises a substrate 31, a fixed knife rest 32, an adjusting knife rest 33, an adjusting frame 34, an adjusting gear 35, a mounting plate 36, an adjusting motor 37, a blade 38, a scraping frame 39, a buffer spring 310, a connecting frame 311 and a glue cutting cylinder 312, wherein the front end and the rear end of the substrate 31 are both arranged on the side wall of the mounting frame 2, adjusting grooves are symmetrically formed in the left end and the right end of the substrate 31, a fixing groove is formed in the middle of the substrate 31, the fixed knife rest 32 is arranged in the fixing groove, the fixed knife rest 32 is of a hollow cuboid structure with an upper opening and a lower opening, auxiliary plates are symmetrically arranged on the left side and the right side of the upper end of the fixed knife rest 32, the adjusting frames 34 are symmetrically arranged on the left side and the right side of the fixed knife rest 32, the number of the adjusting frames 34 on each side is two, the side wall of each adjusting, an adjusting motor 37 is mounted on the side wall of a mounting plate 36 positioned at the left end of the base plate 31 through a motor base, an output shaft of the adjusting motor 37 is connected with one end of an adjusting gear 35 through a coupler, the adjusting frame 34 comprises a fixed cylinder 341 and an adjusting screw 342, the number of the fixed cylinders 341 is two, the two fixed cylinders 341 are symmetrically arranged in front and back, the fixed cylinder 341 is of a hollow cylindrical structure, convex teeth are uniformly arranged on the outer side of the fixed cylinder 341 along the circumferential direction of the fixed cylinder 341 and are meshed with the adjusting gear 35, the fixed cylinder 341 is connected with one end of the adjusting screw 342 through a threaded connection mode, the other end of the adjusting screw 342 is connected with the side wall of an adjusting tool rest 33, the fixed cylinders 341 of the two adjusting frames 34 positioned in the middle are both mounted on the side wall of a fixed tool rest 32, the other two fixed cylinders 341 are mounted on the, the adjusting knife rest 33 and the fixed knife rest 32 have the same structure, the adjusting knife rest 33 and the fixed knife rest 32 are both internally provided with a blade 38 in a sliding fit mode, the left and right ends of the adjusting knife rest 33 and the fixed knife rest 32 are both symmetrically provided with scraping frames 39, the side wall of the scraping frame 39 is tightly attached to the side wall of the blade 38, the blade 38 is of a T-shaped structure, vertical square grooves are uniformly formed in the left side wall and the right side wall of the blade 38 from left to right, the lower end of the blade 38 is connected with one end of a buffer spring 310, the other end of the buffer spring 310 is installed on a corresponding adjusting tool rest 33 or a corresponding fixing tool rest 32, the upper end of the blade 38 is connected with the lower end of a connecting frame 311, the connecting frame 311 is divided into a fixed end and a telescopic end, the fixed end is connected with the blade 38, the telescopic end is installed on the left side and the right side of the fixed end, the telescopic end is of a left-right telescopic structure, the upper end of the connecting frame 311 is connected; the adjusting gear 35 is driven to rotate by the adjusting motor 37, the fixed cylinder 341 rotates along with the adjusting gear 35 in the rotating process of the adjusting gear, so that the length of the connecting part of the adjusting screw 342 and the fixed cylinder 341 changes, the distance between the adjacent blades 38 can be changed, when the distance between the blades 38 reaches the actual working requirement, the adjusting motor 37 stops rotating, then the blades 38 are driven to do synchronous linear motion by the telescopic motion of the rubber cutting cylinder 312, so that the blades 38 can cut raw rubber into blocks, the buffer spring 310 can play a certain buffer role on the blades in the vertical linear motion process of the blades 38, the blades 38 are prevented from being damaged, and under the cooperation effect of the vertical square grooves formed on the side walls of the blades 38 and the scraping frame 39, the condition that the raw rubber is adhered to the blades 38 can be avoided, the normal operation of the blocks is ensured, the raw rubber adhered to the blades 38 does not need to be manually cleaned, the potential safety hazard that exists when having eliminated artifical contact cutter has improved the security in the working process, and can adjust the size of stripping and slicing according to the actual working condition, adjusts in a flexible way, and application range is wide.
When the rubber cutting machine works, the adjusting gear 35 is driven to rotate by the adjusting motor 37, the fixed cylinder 341 rotates along with the adjusting gear 35 in the rotating process, the length of the connecting part of the adjusting screw 342 and the fixed cylinder 341 is changed, so that the distance between the adjacent blades 38 can be changed, when the distance between the blades 38 reaches the actual working requirement, the adjusting motor 37 stops rotating, when raw rubber is conveyed to the position right below the rubber cutting device by the existing equipment, the blades 38 are driven to synchronously and linearly move by the telescopic motion of the rubber cutting cylinder 312, so that the blades 38 can cut the raw rubber into blocks, in the vertical and linear motion process of the blades 38, the buffer spring 310 can play a certain buffer role on the blades to prevent the blades 38 from being damaged, and under the combined action of the vertical square grooves formed on the side walls of the blades 38 and the scraping frame 39, the condition that the raw rubber is adhered to the blades 38 can be avoided, the automatic rubber cutting machine has the advantages that the normal operation of the cutting work is ensured, the problems of poor adjustability, easy adhesion of raw rubber on blades, manual cleaning, high potential safety hazard and the like in the rubber cutting process of the conventional rubber raw rubber are solved, the automatic rubber cutting is realized, and the purpose is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a rubber production is with adjustable surely jiao sword, includes mounting bracket (2) and surely mucilage binding and put (3), its characterized in that: the mounting rack (2) is of an inverted U-shaped structure, a sliding groove is formed in the lower end of the mounting rack (2), and a glue cutting device (3) is installed in the sliding groove; wherein:
the rubber cutting device (3) comprises a substrate (31), a fixed knife rest (32), an adjusting knife rest (33), an adjusting frame (34), an adjusting gear (35), a mounting plate (36), an adjusting motor (37), a blade (38), a scraping frame (39), a buffer spring (310), a connecting frame (311) and a rubber cutting cylinder (312), wherein the front end and the rear end of the substrate (31) are both mounted on the side wall of the mounting frame (2), adjusting grooves are symmetrically formed in the left end and the right end of the substrate (31), a fixing groove is formed in the middle of the substrate (31), the fixed knife rest (32) is mounted in the fixing groove, the adjusting frames (34) are symmetrically arranged on the left side and the right side of the fixed knife rest (32), the number of the adjusting frames (34) on each side is two, the side wall of each adjusting frame (34) is connected with the side wall of the adjusting knife rest (33), the adjusting gear (35) is arranged on, the mounting plate (36) is mounted on the base plate (31), the side wall of the mounting plate (36) positioned at the left end of the base plate (31) is provided with an adjusting motor (37) through a motor base, the output shaft of the adjusting motor (37) is connected with one end of an adjusting gear (35) through a coupler, an adjusting knife rest (33) is mounted in an adjusting groove through a sliding fit mode, the adjusting knife rest (33) and a fixed knife rest (32) have the same structure, the adjusting knife rest (33) and the fixed knife rest (32) are both internally provided with a blade (38) through a sliding fit mode, the left and right ends of the adjusting knife rest (33) and the fixed knife rest (32) are both symmetrically provided with scraping frames (39), the side wall of each scraping frame (39) is closely attached to the side wall of the blade (38), the lower end of the blade (38) is connected with one end of a buffer spring (310), and the other end of the, blade (38) upper end is connected with link (311) lower extreme, and link (311) upper end is connected with surely gluey cylinder (312) top, and surely gluey cylinder (312) bottom is installed in the sliding tray that mounting bracket (2) lower extreme was seted up through sliding fit mode.
2. The adjustable rubber cutting knife for rubber production according to claim 1, characterized in that: the adjusting rack (34) comprises a fixed cylinder (341) and an adjusting screw rod (342), the number of the fixed cylinders (341) is two, the two fixed cylinders (341) are symmetrically arranged front and back, the fixed cylinders (341) are of a hollow cylindrical structure, convex teeth are uniformly arranged on the outer side of the fixed cylinders (341) along the circumferential direction of the fixed cylinders, the convex teeth are meshed with the adjusting gear (35), the fixed cylinders (341) are internally connected with one end of the adjusting screw rod (342) in a threaded connection mode, the other end of the adjusting screw rod (342) is connected with the side wall of the adjusting tool rest (33), the fixed cylinders (341) of the two adjusting racks (34) positioned in the center are respectively arranged on the side wall of the fixed tool rest (32), and the other two fixed cylinders (341) are arranged on the side wall of the corresponding adjusting tool rest (.
3. The adjustable rubber cutting knife for rubber production according to claim 1, characterized in that: the fixed tool rest (32) is of a hollow cuboid structure with an upper opening and a lower opening, and auxiliary plates are symmetrically arranged on the left side and the right side of the upper end of the fixed tool rest (32).
4. The adjustable rubber cutting knife for rubber production according to claim 1, characterized in that: the blade (38) is of a T-shaped structure, and vertical square grooves are uniformly formed in the left side wall and the right side wall of the blade (38) from left to right.
5. The adjustable rubber cutting knife for rubber production according to claim 1, characterized in that: the connecting frame (311) is divided into a fixed end and a telescopic end, the fixed end is connected with the blade (38), the telescopic end is arranged on the left side and the right side of the fixed end, and the telescopic end is of a left-right telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182729.XA CN109202987B (en) | 2018-10-11 | 2018-10-11 | Rubber production is with adjustable rubber cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182729.XA CN109202987B (en) | 2018-10-11 | 2018-10-11 | Rubber production is with adjustable rubber cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109202987A CN109202987A (en) | 2019-01-15 |
| CN109202987B true CN109202987B (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811182729.XA Active CN109202987B (en) | 2018-10-11 | 2018-10-11 | Rubber production is with adjustable rubber cutter |
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| CN (1) | CN109202987B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185287B (en) * | 2020-01-13 | 2021-03-12 | 浙江传超环保科技有限公司 | Rubbing crusher for domestic waste |
| CN114833889B (en) * | 2022-04-19 | 2024-05-17 | 济南金威刻激光科技股份有限公司 | High-speed laser film-making splitting machine based on automatic control system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006159394A (en) * | 2004-12-07 | 2006-06-22 | Honma Seisakusho:Kk | Cutting device for film |
| CN105345856B (en) * | 2015-11-04 | 2017-04-26 | 西安交通大学 | Slicing device capable of adjusting thickness |
| CN106347756B (en) * | 2016-08-30 | 2018-06-26 | 安徽安特食品股份有限公司 | A kind of strip solid alcohol cuts packaging facilities |
| CN206953065U (en) * | 2017-06-28 | 2018-02-02 | 浙江中泰绝热材料有限公司 | A kind of warming plate width cutting device |
| CN207344657U (en) * | 2017-10-30 | 2018-05-11 | 贵溪市龙兴铺灯芯糕有限责任公司 | A kind of adjustable lampwick cake filament cutter |
| CN207465336U (en) * | 2017-11-03 | 2018-06-08 | 珠海华塑自动化机械设备有限公司 | High-speed cutter |
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2018
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| CN109202987A (en) | 2019-01-15 |
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Effective date of registration: 20200416 Address after: 266000, Qingdao, Shandong province Huangdao District Zhang Zhen resident Applicant after: Qingdao CR Da Industrial Products Manufacturing Co., Ltd Address before: No. 2-16 Nanyang Village, Xiaozhi Town, Linhai City, Taizhou City, Zhejiang Province Applicant before: Cai Guoliang |
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Address after: 266000 zhangjialou Town, Huangdao District, Qingdao, Shandong Province Patentee after: Qingdao qilinda Industrial Products Co.,Ltd. Address before: 266000 zhangjialou Town, Huangdao District, Qingdao, Shandong Province Patentee before: Qingdao CR Da Industrial Products Manufacturing Co.,Ltd. |