CN110181731B - Cutting device and cutting method for rubber stopper vulcanized rubber sheet - Google Patents
Cutting device and cutting method for rubber stopper vulcanized rubber sheet Download PDFInfo
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- CN110181731B CN110181731B CN201910430227.2A CN201910430227A CN110181731B CN 110181731 B CN110181731 B CN 110181731B CN 201910430227 A CN201910430227 A CN 201910430227A CN 110181731 B CN110181731 B CN 110181731B
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- 239000004636 vulcanized rubber Substances 0.000 title claims abstract description 71
- 238000005520 cutting process Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000002950 deficient Effects 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 238000004073 vulcanization Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006386 memory function Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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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
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
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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
- B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
Abstract
The application discloses a cutting device and a cutting method of a rubber stopper vulcanized rubber sheet, wherein the device comprises a positioning plate for positioning the rubber stopper and the vulcanized rubber sheet, and a cylindrical toothed cutter for removing defective products of the rubber stopper and a square toothed cutter for cutting the vulcanized rubber sheet are arranged above the positioning plate; in addition, the application also provides a cutting method of the device; the application can rapidly and automatically remove defective rubber plugs on the vulcanized rubber sheets, and cut the whole vulcanized rubber sheets into small plates and cut off the rubber edges at the same time, thereby greatly improving the working efficiency and reducing the labor intensity of workers.
Description
Technical Field
The application relates to the technical field of rubber stopper production, in particular to a cutting device and a cutting method for a rubber stopper vulcanized rubber sheet.
Background
The medical rubber plug is a sealing piece and a guiding piece for medicine encapsulation, and the total amount of the injection rubber plug, the oral liquid rubber plug, the prefilled plug and the like used in China is approximately 1000 hundred million per year. The process for producing the medical rubber is basically the same at home and abroad, and the process flow is as follows: compounding materials, mixing rubber, preforming rubber materials, vulcanization molding, removing edges, cleaning and packaging. Wherein vulcanization of the rubber stopper is the process of "transforming" the rubber compound into the rubber stopper by a certain time under certain temperature and pressure conditions, during which two processes occur: firstly, chemical reaction is carried out, namely, the rubber compound is formed into a three-dimensional net structure through a cross-linking reaction by a linear structure; secondly, the rubber plug is given a shape through a vulcanization mold. As described above, it is obviously difficult to satisfy such a great demand if the rubber stopper is manufactured by vulcanizing and molding only one by one, and for this reason, in order to improve the production efficiency, manufacturers at home and abroad have adopted the "group mold vulcanization" method for decades.
The group mould vulcanizing method is a method that hundreds or even thousands of rubber plug mould cavities are opened on a set of rubber plug vulcanizing mould, and then vulcanizing is carried out by adopting a vulcanizing machine with large tonnage and large hot plate area; in order to facilitate the removal of hundreds of rubber plugs from the vulcanizing mould, a process rubber edge which is used for connecting a single plug and has the thickness of about 0.7mm is specially designed during the design of the vulcanizing mould, and meanwhile, in order to facilitate the next working procedure, namely the edge removal of a vulcanized rubber sheet, the rubber plug is divided into a plurality of areas according to a certain number, so that the vulcanized rubber sheet consists of a plurality of vulcanized rubber sheet cells containing a certain number of rubber plugs and a rubber loss edge. Currently, the vulcanization procedure is: the operator takes out the vulcanized rubber sheet from the vulcanizing machine (the temperature of the rubber sheet is 170-190 ℃), places the vulcanized rubber sheet on a workbench, then cuts off the lost rubber edges around the vulcanized rubber sheet by using scissors manually, performs appearance inspection on the whole rubber stopper, and cuts the vulcanized rubber sheet into small pieces according to the area after finding out the rubber stopper with unsatisfactory appearance and cutting out defective rubber stopper by using scissors, and then places the vulcanized rubber sheet in a storage box in order for edge removal. At present, no matter domestic or foreign, the work is realized by vulcanizing operators through scissors, which is time-consuming and labor-consuming and has low efficiency.
It is known that the shearing of materials is realized by double edges of scissors, the gap between the double edges is determined according to the thickness of the cut object, namely, the larger the thickness of the cut object is, the larger the gap between the double edges is, because of the unique elasticity of rubber products and the thin and soft characteristics of vulcanized rubber sheets, the vulcanized rubber sheets with elasticity are extremely easy to be stretched and deformed when sheared by the scissors, thus the thickness of the cut object is continuously changed, the deformation is equivalent to 'energy absorption', and the like, and the shearing force is not constant, so that the work is more difficult to accomplish by the scissors than the shearing of paper, cloth and the like, and the rubber vulcanized rubber sheets have high rubber content, large elasticity, low hardness and thin thickness, thus causing shearing difficulty; this clearly increases the labor intensity of the vulcanization operators, and the working environment is poor and intensive, and in addition, in rubber stopper manufacturers, scissors are the first consumable products, and each production unit is equipped with special scissors grinding staff.
Disclosure of Invention
The application aims to overcome the defects, and provides a cutting device and a cutting method for a rubber stopper vulcanized rubber sheet, which can quickly remove defective rubber stoppers, quickly cut a whole vulcanized rubber sheet into small plates and simultaneously cut peripheral rubber loss edges, improve the working efficiency and reduce the labor intensity of workers.
The application aims to solve the technical problems, and adopts the technical scheme that: the cutting device for the rubber stopper vulcanized rubber sheet comprises a positioning plate for positioning the rubber stopper and the vulcanized rubber sheet, and a cylindrical tooth knife for removing defective products of the rubber stopper and a square tooth knife for cutting the vulcanized rubber sheet are arranged above the positioning plate.
Preferably, the upper surface of the positioning plate is provided with a positioning groove matched with the rubber plug, and the side of the positioning groove is also provided with a slicing groove matched with the cylindrical tooth knife and the square tooth knife.
Preferably, the cylindrical serrated knife comprises a sleeve of cylindrical configuration and an annular serrated blade located at the bottom of the sleeve.
Preferably, the top of the sleeve is also communicated with one end of a defective product collecting box through a first air extraction pipeline, the other end of the defective product collecting box is connected with a vacuumizing pump through a second air extraction pipeline, and an electromagnetic valve is arranged on the first air extraction pipeline.
Preferably, the square serrated knife comprises a plurality of straight serrated blades which are cross-linked.
Preferably, the plurality of straight tooth blades form a plurality of rectangular areas, and the areas of the straight tooth blades on the side sides each expose a part of the blades.
Preferably, a camera for shooting the rubber plug is further arranged above the positioning plate, a camera signal output end is connected with a microprocessor, and a microprocessor control signal output end is connected with a cylindrical tooth knife driving mechanism control end and a square tooth knife driving mechanism control end.
Preferably, the driving mechanism of the cylindrical tooth knife comprises a vertical lifting mechanism and a plane moving mechanism; the driving mechanism of the square serrated knife comprises a vertical lifting mechanism.
Preferably, a pressing frame for pressing the edge of the vulcanized rubber sheet is further arranged above the positioning plate, the pressing frame is of a rectangular frame body structure, an avoidance groove is formed in the contact position of the pressing frame and the outer edge of the square tooth knife, and the bottom of the positioning plate is fixed on the machine base.
In addition, the application also provides a cutting method of the cutting device, which comprises the following steps:
step 1): the manipulator takes out a whole version of vulcanized rubber sheet from the vulcanizing mould, and puts the vulcanized rubber sheet on the positioning plate, so that the bottom of the rubber plug in the vulcanized rubber sheet falls into the positioning groove, and then the pressing frame is pressed on the edge of the vulcanized rubber sheet;
step 2): the camera shoots the rubber plug of the whole plate and transmits image information to the microprocessor, and the microprocessor analyzes the image to judge whether defective products exist in the rubber plug of the whole plate; if defective products exist, the microprocessor controls the cylindrical tooth knife driving mechanism to act, so that the cylindrical tooth knife moves to the position right above the defective products of the rubber plugs, and the cylindrical tooth knife moves downwards to cut off the process rubber edges around the defective products of the rubber plugs;
step 3): after the vacuumizing pump is started for a period of time, the interior of the defective product collecting box is in a negative pressure state, and an electromagnetic valve on the first air exhaust pipeline is opened, so that the cut rubber plug defective products are sucked into the cylindrical tooth knife and then enter the defective product collecting box through the first air exhaust pipeline to be collected;
step 4): after all defective rubber plugs are removed, the microprocessor controls the driving mechanism of the square serrated knife to act, the square serrated knife moves downwards and cuts the whole vulcanized rubber sheet into a plurality of small plates;
step 5): and the manipulator takes out and stores the vulcanized rubber sheet cut into small plates, the outer edge of the vulcanized rubber sheet is cut by the outer edge of the square tooth knife to generate a plurality of lost rubber edges, and the lost rubber edges fall into the collector below to be collected.
The application has the beneficial effects that:
1. the application can quickly and automatically remove defective rubber plugs on the vulcanized rubber sheets, cut off the rubber edges of the whole vulcanized rubber sheets into small plates while quickly cutting the whole vulcanized rubber sheets, change the mode of manually trimming the vulcanized rubber sheets along decades of manual work, greatly improve the working efficiency, reduce the labor intensity of workers and realize vulcanization automation.
2. According to the application, the cylindrical tooth knife and the square tooth knife are utilized to carry out the cutting process, and the cutting process is different from the traditional blade cutting process, the tooth knife is utilized to rapidly puncture rubber, and then the rubber can be rapidly broken by utilizing the rebound force of the rubber.
3. Through the cooperation of the cylindrical tooth knife, the driving mechanism and the camera, defective rubber plugs can be automatically and rapidly identified and removed, and a feasible method is provided for realizing automatic and intelligent production of the product.
4. The device can timely suck and collect cut defective rubber plugs, so that the step of manual removal is omitted, and the production efficiency is improved.
5. The whole-version vulcanized rubber sheet can be cut into a plurality of small plates at one time through the square toothed knife, so that the cutting speed is improved.
Drawings
FIG. 1 is a schematic view of a cutting device for rubber stopper vulcanized rubber sheets;
FIG. 2 is an enlarged schematic view of the encircled area in FIG. 1;
FIG. 3 is a schematic view of the distribution of rubber plugs on a vulcanized rubber sheet;
FIG. 4 is a schematic view of a cylindrical serrated knife cutting a rubber plug;
FIG. 5 is a schematic perspective view of the square serrated knife of FIG. 1;
FIG. 6 is a schematic diagram of the connection structure of the cylindrical serrated knife and the vacuum pumping system;
FIG. 7 is a schematic top view of the press frame of FIG. 1;
in the figure, a rubber plug 1, a vulcanized rubber sheet 2, a process rubber edge 2.1, a lost rubber edge 2.2, a positioning plate 3, a positioning groove 3.1, a slicing groove 3.2, a cylindrical toothed cutter 4, a sleeve 4.1, an annular toothed cutter 4.2, a first air suction pipeline 4.3, a defective product collecting box 4.4, a second air suction pipeline 4.5, a vacuumizing pump 4.6, an electromagnetic valve 4.7, a square toothed cutter 5, a straight toothed cutter 5.1, a camera 6, a pressing frame 7, an avoidance groove 7.1 and a base 8.
Detailed Description
The application is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 7, a cutting device for a rubber stopper vulcanized rubber sheet comprises a positioning plate 3 for positioning a rubber stopper 1 and a vulcanized rubber sheet 2, wherein a cylindrical cutter 4 for removing defective products of the rubber stopper 1 and a square cutter 5 for cutting the vulcanized rubber sheet 2 are arranged above the positioning plate 3.
Preferably, a positioning groove 3.1 matched with the rubber plug 1 is formed in the upper surface of the positioning plate 3, and a slicing groove 3.2 matched with the cylindrical tooth knife 4 and the square tooth knife 5 is further formed in the side of the positioning groove 3.1. The positioning groove 3.1 is shaped to fit the rubber stopper 1, for example, to fit the neck or crown of the rubber stopper 1, to prevent movement during cutting, while the slicing groove 3.2 provides space for the cylindrical cutter 4 and square cutter 5 to move down for cutting operations.
Preferably, the cylindrical serrated knife 4 comprises a sleeve 4.1 of cylindrical configuration and an annular serrated blade 4.2 located at the bottom of the sleeve 4.1. In the embodiment, the annular tooth blade 4.2 is of a saw-tooth structure, the inner ring radius of the sleeve 4.1 and the annular tooth blade 4.2 is slightly larger than that of the single rubber plug 1, the single rubber plug 1 is conveniently enucleated, and the rubber plug 1 can conveniently penetrate through the cylindrical tooth blade 4.
Preferably, the top of the sleeve 4.1 is also communicated with one end of a defective product collecting box 4.4 through a first air extraction pipeline 4.3, the other end of the defective product collecting box 4.4 is connected with a vacuumizing pump 4.6 through a second air extraction pipeline 4.5, and an electromagnetic valve 4.7 is arranged on the first air extraction pipeline 4.3. In this embodiment, the defective product collecting box 4.4 is of a closed box structure after closing the box door, after the vacuumizing pump 4.6 is opened, the second air suction pipeline 4.5 and the defective product collecting box 4.4 are both in negative pressure, when the annular tooth knife 4 cuts off the rubber plug, the electromagnetic valve 4.7 is opened, defective products of the rubber plug 1 enter the defective product collecting box 4.4 through the first air suction pipeline 4.3 to be collected, and in this embodiment, a collecting bag is further arranged in the defective product collecting box 4.4, so that the defective products of the rubber plug 1 are conveniently collected and taken out.
Preferably, the square serrated knife 5 comprises a plurality of straight serrated blades 5.1 which are cross-connected in a longitudinal and transverse direction. In this embodiment, the straight blades 5.1 are vertically connected in a staggered manner, and the number of the straight blades 5.1 can be determined according to the number of small plates required to be cut by the whole rubber plug 1 and the vulcanized rubber sheet 2, and in this embodiment, one whole vulcanized rubber sheet 2 is cut into nine pieces, so that the straight blades 5.1 of the square toothed cutter 5 are arranged to form a shape similar to a nine-grid.
Preferably, the plurality of straight toothed blades 5.1 form a plurality of rectangular areas, and the areas of the straight toothed blades 5.1 located on the side sides each expose a part of the blades. The design just can cut off the loss rubber limit 2.2 of vulcanized rubber piece 2 outer fringe after this, because if loss rubber limit 2.2 cuts out and is the shape of a whole annular, can hang locating plate 3, loss rubber limit 2.2 is difficult to drop and pile up, consequently if straight tooth blade 5.1 all exposes after the regional of avris, can cut off loss rubber limit 2.2 into a plurality of parts, just so make loss rubber limit 2.2 can drop the below and collect.
Preferably, a camera 6 for shooting the rubber plug 1 is further arranged above the positioning plate 3, a signal output end of the camera 6 is connected with a microprocessor, and a control signal output end of the microprocessor is connected with a control end of the driving mechanism of the cylindrical toothed cutter 4 and a control end of the driving mechanism of the square toothed cutter 5. In this embodiment, the microprocessor may employ a DSP model TMS320C 32.
Preferably, the driving mechanism of the cylindrical serrated knife 4 comprises a vertical lifting mechanism and a plane moving mechanism; the driving mechanism of the square serrated knife 5 comprises a vertical lifting mechanism. In this embodiment, since the cylindrical serrated knife 4 needs to be positioned to a specific plane position, it needs to be moved in the plane by a plane moving mechanism, and also needs to be vertically moved by a vertical lifting mechanism to implement a cutting process, more preferably, the driving mechanism of the cylindrical serrated knife 4 can also directly adopt a mechanical arm structure, so that the method is more flexible; in addition, the square tooth knife 5 only needs to displace in the vertical direction, so that the vertical lifting structure of the square tooth knife can be realized by adopting a hydraulic cylinder.
Preferably, a pressing frame 7 for pressing the edge of the vulcanized rubber sheet 2 is further arranged above the positioning plate 3, the pressing frame 7 is of a rectangular frame body structure, an avoidance groove 7.1 is formed in the contact position of the pressing frame 7 and the outer edge of the square toothed knife 5, and the bottom of the positioning plate 3 is fixed on the stand 8. Because in the cutting process, the vulcanized rubber sheet 2 can generate a rebound force, the whole vulcanized rubber sheet 2 is required to be fixed on the positioning plate 3 by the pressing frame 7 so as to facilitate cutting operation, and in addition, because a plurality of positions of the pressing frame 7 can be touched when the outer edge of the square tooth knife 5 is cut downwards, the avoiding groove 7.1 is required to be arranged so as to ensure that the square tooth knife 5 can smoothly move downwards to carry out the cutting process.
In addition, the application also provides a cutting method of the cutting device, which comprises the following steps:
step 1: the manipulator takes out a whole version of vulcanized rubber sheet 2 from the vulcanizing mould, and puts the vulcanized rubber sheet 2 on the positioning plate 3, so that the bottom of the rubber plug 1 falls into the positioning groove 3.1, and then the pressing frame 7 is pressed on the edge of the vulcanized rubber sheet 2;
step 2: the camera 6 shoots the rubber stopper 1 of the whole edition and transmits image information to the microprocessor, and the microprocessor analyzes the image to judge whether defective products exist in the rubber stopper 1 of the whole edition; if defective products exist, the microprocessor controls the driving mechanism of the cylindrical tooth knife 4 to act, so that the cylindrical tooth knife 4 moves right above the defective products of the rubber plug 1, the cylindrical tooth knife 4 moves downwards and cuts off the process rubber edges 2.1 around the defective products of the rubber plug 1; in the embodiment, whether defective products exist in the rubber plug 1 is judged, and whether the shape and the appearance of the defective products are complete or not is mainly detected, and whether a breakage phenomenon exists or not is judged; in addition, the camera 6 in this embodiment may be a CCD camera;
step 3: after the vacuumizing pump 4.6 is started for a period of time, the interior of the defective product collecting box 4.4 is in a negative pressure state, and an electromagnetic valve 4.7 on the first air exhaust pipeline 4.3 is opened, so that the cut defective product of the rubber plug 1 is sucked into the cylindrical tooth knife 4 and then enters the defective product collecting box 4.4 through the first air exhaust pipeline 4.3 to be collected;
step 4: after all defective products of the rubber plugs 1 are removed, the microprocessor controls a driving mechanism of the square serrated knife 5 to act, the square serrated knife 5 moves downwards and cuts the whole vulcanized rubber sheet 2 into a plurality of small plates;
step 5: the vulcanized rubber sheet 2 cut into small plates is taken out and stored by the mechanical arm, the outer edge of the vulcanized rubber sheet 2 is cut by the outer edge of the square tooth knife 5 to generate a plurality of lost rubber edges 2.2, and the lost rubber edges 2.2 fall into a lower collector to be collected.
More preferably, the blank area of the square serrated knife 5 can be provided with a vacuum chuck, namely, the vacuum chuck is connected with a vacuum pump through a pipeline, so that under the condition that cutting is completed, the small-version vulcanized rubber sheet 2 is sucked in a vacuum suction mode and then leaves along with the upward movement of the square serrated knife 5, and the cutting process and the vacuum suction process are combined in the mode, so that the operation steps are simplified.
In this embodiment, both the cylindrical tooth knife 4 and the square tooth knife 5 are used for quick cutting by utilizing the characteristic that the sharp cutting edge easily pierces rubber, and we have the following knowledge: compared with the conventional material, the rubber product is a softer material with an elastic memory function, because the soft material is easy to be pierced by sharp devices such as needles, knife tips and the like, and meanwhile, the elastic memory function is represented by elastic force generated by recovering the original shape after being deformed by external force, the knife can realize the cutting process without completely piercing the process rubber edge by the elastic force, the knife in the embodiment is easy to pierce rubber, only a limited penetration is needed after piercing, the rubber is deformed, the deformation of the rubber generates elastic force, so that stress concentration points are generated at the tooth edge openings, and the rest rubber can be easily cut along the stress concentration point direction.
The above embodiments are merely preferred embodiments of the present application, and should not be construed as limiting the present application, and the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without collision. The protection scope of the present application is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this application are also within the scope of the application.
Claims (7)
1. A cutting device of rubber stopper vulcanized rubber sheet, its characterized in that: the device comprises a positioning plate (3) for positioning a rubber plug (1) and a vulcanized rubber sheet (2), wherein a cylindrical tooth knife (4) for removing defective products of the rubber plug (1) and a square tooth knife (5) for cutting the vulcanized rubber sheet (2) are arranged above the positioning plate (3); the cylindrical serrated knife (4) comprises a sleeve (4.1) with a cylindrical structure and an annular serrated knife blade (4.2) positioned at the bottom of the sleeve (4.1); the square serrated knife (5) comprises a plurality of straight serrated blades (5.1) which are connected in a crisscross manner; a plurality of straight tooth blades (5.1) form a plurality of rectangular areas, and the areas of the straight tooth blades (5.1) on the side sides expose part of the blades.
2. A cutting device for rubber stopper vulcanized rubber sheets as defined in claim 1, wherein: the upper surface of the locating plate (3) is provided with a locating groove (3.1) matched with the rubber plug (1), and the side of the locating groove (3.1) is also provided with a slicing groove (3.2) matched with the cylindrical tooth knife (4) and the square tooth knife (5).
3. A cutting device for rubber stopper vulcanized rubber sheets as defined in claim 1, wherein: the top of the sleeve (4.1) is also communicated with one end of a defective product collecting box (4.4) through a first air extraction pipeline (4.3), the other end of the defective product collecting box (4.4) is connected with a vacuumizing pump (4.6) through a second air extraction pipeline (4.5), and an electromagnetic valve (4.7) is arranged on the first air extraction pipeline (4.3).
4. A cutting device for rubber stopper vulcanized rubber sheets as defined in claim 1, wherein: the camera (6) used for shooting the rubber plug (1) is further arranged above the positioning plate (3), the signal output end of the camera (6) is connected with the microprocessor, and the control signal output end of the microprocessor is connected with the control end of the driving mechanism of the cylindrical tooth knife (4) and the control end of the driving mechanism of the square tooth knife (5).
5. The cutting device for rubber stopper vulcanized rubber sheets as defined in claim 4, wherein: the driving mechanism of the cylindrical tooth knife (4) comprises a vertical lifting mechanism and a plane moving mechanism; the driving mechanism of the square serrated knife (5) comprises a vertical lifting mechanism.
6. A cutting device for rubber stopper vulcanized rubber sheets as defined in claim 1, wherein: the positioning plate (3) top still is equipped with presses frame (7) that are used for compressing tightly vulcanized rubber piece (2) edge, press frame (7) be rectangular frame body structure, press frame (7) and square tooth sword (5) outer fringe contact's position is equipped with dodges groove (7.1), positioning plate (3) bottom is fixed in on frame (8).
7. A cutting method of the cutting device according to any one of claims 1 to 6, characterized in that: it comprises the following steps:
step 1): the manipulator takes out a whole-version vulcanized rubber sheet (2) from the vulcanizing mould, and places the vulcanized rubber sheet on the positioning plate (3) so that the bottom of the rubber plug (1) falls into the positioning groove (3.1), and then the pressing frame (7) is pressed on the edge of the vulcanized rubber sheet (2);
step 2): the camera (6) shoots the rubber plug (1) of the whole edition, and transmits image information to the microprocessor, and the microprocessor analyzes the image to judge whether defective products exist in the rubber plug (1) of the whole edition; if defective products exist, the microprocessor controls the driving mechanism of the cylindrical tooth knife (4) to act, so that the cylindrical tooth knife (4) moves to the position right above the defective products of the rubber plug (1), the cylindrical tooth knife (4) moves downwards and cuts off the process rubber edges (2.1) around the defective products of the rubber plug (1);
step 3): after the vacuumizing pump (4.6) is started for a period of time, the interior of the defective product collecting box (4.4) is in a negative pressure state, and an electromagnetic valve (4.7) on the first air extraction pipeline (4.3) is opened, so that the cut defective product of the rubber plug (1) is sucked into the cylindrical tooth knife (4) and then enters the defective product collecting box (4.4) through the first air extraction pipeline (4.3) to be collected;
step 4): after all defective products of the rubber plugs (1) are removed, the microprocessor controls a driving mechanism of the square serrated knife (5) to act, the square serrated knife (5) moves downwards and cuts the whole vulcanized rubber sheet (2) into a plurality of small plates;
step 5): and the manipulator takes out and stores the vulcanized rubber sheet (2) cut into small plates, the outer edge of the vulcanized rubber sheet (2) is cut by the outer edge of the square tooth knife (5) to generate a plurality of lost rubber edges (2.2), and the lost rubber edges (2.2) drop into a collector below to be collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910430227.2A CN110181731B (en) | 2019-05-22 | 2019-05-22 | Cutting device and cutting method for rubber stopper vulcanized rubber sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910430227.2A CN110181731B (en) | 2019-05-22 | 2019-05-22 | Cutting device and cutting method for rubber stopper vulcanized rubber sheet |
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| CN111890421B (en) * | 2020-08-27 | 2024-03-15 | 厦门理工学院 | Tea cutting and adsorbing device and tea capsule processing method |
| CN114012949B (en) * | 2021-11-04 | 2023-09-01 | 重庆精渝田科技股份有限公司 | Device and method for removing burrs of bar-shaped foot pad of notebook computer |
| CN114714550B (en) * | 2022-06-08 | 2022-08-26 | 成都托克密封件有限责任公司 | Rubber sealing strip flash removing device |
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