CN113070942B - Method for forming and processing nitrile rubber sealing ring - Google Patents
Method for forming and processing nitrile rubber sealing ring Download PDFInfo
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- CN113070942B CN113070942B CN202110341767.0A CN202110341767A CN113070942B CN 113070942 B CN113070942 B CN 113070942B CN 202110341767 A CN202110341767 A CN 202110341767A CN 113070942 B CN113070942 B CN 113070942B
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- rubber sealing
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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
- B26F1/40—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
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
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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
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
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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
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
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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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- 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)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a molding processing method of a nitrile rubber sealing ring, which comprises a splitting mechanism, a driving mechanism and a bottom plate, wherein the driving mechanism is arranged on the central end surface of the bottom plate, the splitting mechanism is arranged on the outer side of the driving mechanism, the driving mechanism is connected with the splitting mechanism in a sliding fit manner, and the splitting mechanism is symmetrically arranged on the bottom plate; the invention solves the problems that the prior molding processing of the butadiene-acrylonitrile rubber sealing ring mostly adopts compression molding, the process is to heat and melt raw materials and then extrude the molded butadiene-acrylonitrile rubber sealing ring by high pressure, the butadiene-acrylonitrile rubber sealing ring prepared by the method has poor appearance finish and shape, more burrs, and the size deviation from the actual requirement due to the shrinkage ratio of rubber.
Description
Technical Field
The invention relates to the technical field of rubber sealing ring processing, in particular to a method for forming and processing a nitrile rubber sealing ring.
Background
The butadiene-acrylonitrile rubber sealing ring is an annular cover consisting of one or more parts, is fixed on one ferrule or gasket of the bearing and is contacted with the other ferrule or gasket or forms a narrow labyrinth gap to prevent lubricating oil from leaking and foreign matters from entering, is a copolymer polymerized by acrylonitrile and butadiene monomers, and has the following advantages: the oil resistance is excellent, the wear resistance is high, the heat resistance is good, and the bonding force is strong; the rubber is widely used for manufacturing various oil-resistant rubber products, various oil-resistant gaskets, sleeves, flexible packages, flexible rubber tubes, printing and dyeing rubber rollers, cable rubber materials and the like, and becomes an indispensable elastic material in the industries of automobiles, aviation, petroleum, copying and the like;
the molding processing of the existing nitrile rubber sealing ring mostly adopts compression molding, the process is to heat and melt raw materials, and then the molded nitrile rubber sealing ring is extruded at high pressure, the appearance smoothness and the shape of the prepared nitrile rubber sealing ring are poor, more burrs exist, and the shrinkage ratio of rubber has deviation with the actually required size; therefore, the invention provides a molding processing method of the nitrile rubber sealing ring.
Disclosure of Invention
In order to achieve the above purpose, the invention adopts the following technical scheme that a molding processing method of a nitrile rubber sealing ring uses a molding processing device of the nitrile rubber sealing ring, the processing device comprises a splitting mechanism, a driving mechanism and a bottom plate, and the specific method for molding, pressing and cutting the nitrile rubber sealing ring by using the processing device is as follows:
s1, cutting a rubber material: cutting the rubber material into a specified size by cutting equipment, and then carrying out molding press-cutting treatment on the butadiene-acrylonitrile rubber sealing ring;
s2, placing a rubber material: the cut rubber materials are placed on the supporting claws by workers and are vertically placed through clamping grooves in the supporting claws;
s3, press cutting and forming: pushing and cutting the mechanism through a driving mechanism, and then performing press cutting treatment on the rubber material placed in the S2 to press cut the rubber material into a plurality of annular gaskets so as to prepare the nitrile rubber sealing ring;
s4, collecting and replacing: the waste materials generated by press cutting are discharged through the waste material discharging plate, the formed butadiene-acrylonitrile rubber sealing ring is collected by the collecting guide plate, the rubber materials are replaced by workers, and the press cutting operation is repeated;
the cutting mechanism is arranged on the outer side of the driving mechanism, the driving mechanism is connected with the cutting mechanism in a sliding fit mode, and the cutting mechanism is symmetrically arranged on the bottom plate;
the splitting mechanism comprises a main beam bracket, a pushing sliding plate, a pressing and cutting unit, a guide sleeve, a waste discharging and dropping plate, an aggregate guide plate, a supporting claw, a guide rod, a push rod, a compression spring and a pulley; the main beam support is installed on a bottom plate, a pushing sliding plate is installed on the end face of the main beam support in a sliding fit mode, a plurality of groups of pressing and cutting units which are linearly arranged along the length direction of the pushing and cutting units are arranged on the outer wall of the pushing and cutting sliding plate, guide sleeves are arranged on the main beam support in a sliding fit mode and are arranged on the opposite side of the pressing and cutting units, the guide sleeves are evenly installed on the main beam support and are linearly arranged along the width direction of the main beam support, waste discharging plates are arranged below the guide sleeves and are installed on the outer wall of the main beam support, support claws are symmetrically installed on the main beam support, collecting guide plates are arranged below the support claws and are installed on the inner wall of the main beam support, guide rods are symmetrically installed on the outer wall of the pushing sliding plate and are connected with the main beam support in a sliding fit mode, push rods are arranged between the two guide rods and are symmetrically installed on the outer wall of the pushing sliding plate and connected with the main beam support in a sliding fit mode, a compression spring is arranged on the outer ring of the push rods and is connected with a pulley block through a rolling shaft and connected with a pulley block mechanism; rubber materials are vertically supported and placed through the supporting claws, the compression spring abuts against the pushing pulley and is in close contact with the driving mechanism, the driving mechanism pushes the pushing pulley, the ejector rod abuts against the pushing sliding plate to move in a translation mode, the pressing and cutting unit abuts against the guide sleeve, pressing and cutting operation is completed, waste materials after pressing and cutting are discharged through the guide sleeve, then the waste materials are discharged through the waste material discharging and dropping plate, and the collecting guide plate discharges, collects and presses and cuts the formed nitrile rubber sealing ring.
The press-cutting unit comprises a press rod, a cylindrical spring, a press sleeve, an inner press cutter and an outer press cutter; the pressing rod is arranged on the outer wall of the pushing sliding plate, a cylindrical spring is arranged on the outer ring of the pressing rod, the outer side shaft end of the cylindrical spring is in mutual abutting connection with the pressing sleeve, the pressing sleeve is arranged on the pressing rod in a sliding fit mode, an inner cutting pressing knife is arranged inside the pressing sleeve, the inner cutting pressing knife is arranged on the shaft end of the pressing rod, an outer cutting pressing knife is arranged on the outer side of the pressing sleeve, the outer cutting pressing knife is arranged on the shaft end of the pressing rod, and the outer cutting pressing knife is in mutual connection with the pressing sleeve in a sliding fit mode; the pressing sleeve is in abutting connection with the guide sleeve in advance, the inner pressing knife and the outer pressing knife are continuously pushed by the pressing rod to perform pressing operation synchronously, and the cylindrical spring can push the pressing sleeve to move and reset.
Preferably, the driving mechanism comprises a beam guide frame, an actuating cylinder, a T-shaped base and a pushing guide plate; the T-shaped base is arranged on the beam guide frame in a sliding fit mode, the outer walls on two sides of the T-shaped base are symmetrically provided with abutting and pushing guide plates respectively, and the abutting and pushing guide plates are connected with a splitting mechanism in a sliding fit mode; the pushing and pushing guide plate is enabled to abut against the splitting mechanism to horizontally move by executing the cylinder to push the T-shaped base to ascend.
Preferably, the inner ring of the guide sleeve is designed to be a conical opening, and the inner ring of the guide sleeve is designed to be the conical opening, so that the rubber waste after press cutting can be discharged conveniently, and the material blocking condition can be prevented.
Preferably, the pressing sleeve is provided with a waist-shaped through hole, the pressing sleeve is provided with the waist-shaped through hole, the horizontal movement of the pressing rod is convenient to guide, the stroke range is enlarged, and the operation steps of firstly pressing and then pressing and cutting are favorably executed.
Preferably, the cutting edges of the inner pressing knife and the outer pressing knife are designed to be horizontally inclined, and the cutting edges of the inner pressing knife and the outer pressing knife are designed to be horizontally inclined, so that resistance and noise in the pressing and cutting process are reduced conveniently, and rubber materials are pressed and cut into a plurality of annular gaskets continuously and quickly.
Preferably, the outer end face of the pushing guide plate is designed to be inclined from low to high, and the outer end face of the pushing guide plate is designed to be inclined from low to high, so that linear lifting motion is converted into horizontal translation motion, and accordingly press cutting operation is completed.
The invention has the beneficial effects that:
1. according to the invention, the cutting edges of the horizontal inclined cutters of the inner cutter and the outer cutter are synchronously pressed and cut, so that the rubber material is continuously and quickly pressed and cut into the plurality of annular gaskets, and the cutting edges of the inner cutter and the outer cutter are pressed and cut forward at a certain inclination in the moving direction, so that the pressing and cutting point of the cutter edge is always moved, the matching resistance and noise of the cutter edge are reduced to the greatest extent, the pressing and cutting efficiency is improved, the integrity of the edge cut of the butadiene acrylonitrile rubber sealing ring is ensured, the surface burrs are reduced, and the forming and processing quality of the butadiene acrylonitrile rubber sealing ring is effectively improved.
2. According to the invention, the pressing sleeve is in pressing contact with the guide sleeve in advance, so that the rubber material is pressed and fixed, the rubber material is kept stable in the pressing and cutting process, the tidiness and consistency of the cut end of the butadiene-acrylonitrile rubber sealing ring are ensured, the edge of the cut is protected, the size of the butadiene-acrylonitrile rubber sealing ring manufactured by pressing and cutting is accurate, and the pressing and cutting quality is effectively improved.
3. According to the invention, the rubber material is vertically supported through the clamping groove on the supporting claw, so that subsequent press cutting and fixing are facilitated, waste materials are discharged through the waste material discharging plate, and the press-cut nitrile rubber sealing ring is discharged and collected by the collecting guide plate, so that classified collection is realized.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic view of a molding process of a nitrile rubber sealing ring according to the present invention;
FIG. 2 is a schematic view of the left side perspective of the home position of the present invention;
FIG. 3 is a schematic representation of the right-side perspective of the home position of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 3;
FIG. 6 is a perspective view of a slitting mechanism according to this invention;
fig. 7 is a perspective sectional view of the driving mechanism of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 7, a method for forming and processing a nitrile rubber seal ring uses a device for forming and processing a nitrile rubber seal ring, the device comprises a slitting mechanism 1, a driving mechanism 2 and a bottom plate 3, and the specific method for forming, pressing and cutting the nitrile rubber seal ring by using the device comprises the following steps:
s1, cutting a rubber material: cutting the rubber material into a specified size by cutting equipment, and then carrying out molding press-cutting treatment on the butadiene-acrylonitrile rubber sealing ring;
s2, placing a rubber material: the cut rubber materials are placed on the supporting claw 16 by workers and are vertically placed through a clamping groove in the supporting claw 16;
s3, press cutting and forming: pushing the splitting mechanism 1 through the driving mechanism 2, and then performing press-cutting treatment on the rubber material placed in the S2 to press-cut the rubber material into a plurality of annular gaskets, so as to prepare the nitrile rubber sealing ring;
s4, collecting and replacing: the waste materials generated by the press cutting are discharged through the waste material discharging plate 14, the formed nitrile rubber sealing ring is collected through the material collecting guide plate 15, the rubber material is replaced by workers, and the press cutting operation is repeated;
a driving mechanism 2 is installed on the central end face of the bottom plate 3, a splitting mechanism 1 is arranged on the outer side of the driving mechanism 2, the driving mechanism 2 is connected with the splitting mechanism 1 in a sliding fit mode, and the splitting mechanisms 1 are symmetrically installed on the bottom plate 3;
the splitting mechanism 1 comprises a main beam support 10, a pushing sliding plate 11, a pressing and cutting unit 12, a guide sleeve 13, a waste discharging and falling plate 14, a collecting guide plate 15, a supporting claw 16, a guide rod 17, an ejector rod 18, a compression spring 19 and a pulley 19A; the main beam support 10 is installed on the bottom plate 3, the pushing sliding plate 11 is installed on the end face of the main beam support 10 in a sliding fit mode, a plurality of groups of pressing and cutting units 12 which are linearly arranged along the length direction of the pushing sliding plate 11 are arranged on the outer wall of the pushing sliding plate 11, guide sleeves 13 are arranged on the opposite sides of the pressing and cutting units 12, the guide sleeves 13 are evenly installed on the main beam support 10, the guide sleeves 13 are linearly arranged along the width direction of the main beam support 10, the inner ring of each guide sleeve 13 is designed to be a conical opening, rubber waste materials after pressing and cutting are conveniently discharged, and the material blocking condition can be prevented; a waste discharging plate 14 is arranged below the guide sleeve 13, the waste discharging plate 14 is arranged on the outer wall of the girder support 10, the support claws 16 are symmetrically arranged on the girder support 10, the collecting guide plate 15 is arranged below the support claws 16, the collecting guide plate 15 is arranged on the inner wall of the girder support 10, the guide rods 17 are symmetrically arranged on the outer wall of the pushing slide plate 11, the guide rods 17 are connected with the girder support 10 in a sliding fit manner, the push rods 18 are arranged between the two guide rods 17, the push rods 18 are symmetrically arranged on the outer wall of the pushing slide plate 11, the push rods 18 are connected with the girder support 10 in a sliding fit manner, the outer ring of the push rod 18 is provided with a compression spring 19, the outer shaft end of the compression spring 19 is connected with a pulley 19A in a collision manner, the pulley 19A is arranged on the outer shaft end of the push rod 18 through a bearing seat, and the pulley 19A is connected with a pushing guide plate 23 in a rolling manner; rubber materials are vertically supported through the supporting claws 16, the compression spring 19 pushes the pulley 19A to be in close contact with the driving mechanism 2, then the driving mechanism 2 pushes the pulley 19A to enable the ejector rod 18 to push the sliding plate 11 to move in a translation mode, the press-cutting unit 12 is made to abut against the guide sleeve 13, accordingly, press-cutting operation is completed, press-cut waste materials are discharged through the guide sleeve 13, then the waste materials are discharged through the waste material discharging and falling plate 14, and the collecting guide plate 15 is used for discharging and collecting the press-cut formed nitrile rubber sealing ring.
The press cutting unit 12 comprises a press rod 121, a cylindrical spring 122, a press sleeve 123, an inner cutting press knife 124 and an outer cutting press knife 125; the pressing rod 121 is installed on the outer wall of the abutting sliding plate 11, the cylindrical spring 122 is arranged on the outer ring of the pressing rod 121, the outer side shaft end of the cylindrical spring 122 is connected with the pressing sleeve 123 in an abutting mode, the pressing sleeve 123 is installed on the pressing rod 121 in a sliding fit mode, a waist-shaped through hole is formed in the pressing sleeve 123, the waist-shaped through hole is formed in the pressing sleeve 123, horizontal movement of the pressing rod 121 is guided conveniently, the stroke range is enlarged, and the operation steps of firstly pressing and then pressing and cutting are favorably executed; an inner cutting press knife 124 is arranged in the pressing sleeve 123, the inner cutting press knife 124 is arranged at the shaft end of the pressing rod 121, an outer cutting press knife 125 is arranged at the outer side of the pressing sleeve 123, the outer cutting press knife 125 is arranged at the shaft end of the pressing rod 121, the outer cutting press knife 125 is connected with the pressing sleeve 123 in a sliding fit mode, the cutting edges of the inner cutting press knife 124 and the outer cutting press knife 125 are designed to be horizontally inclined, and the cutting edges of the inner cutting press knife 124 and the outer cutting press knife 125 are designed to be horizontally inclined, so that resistance and noise in the pressing cutting process are reduced, and rubber materials are pressed and cut into a plurality of annular gaskets continuously and rapidly; the pressing sleeve 123 is in contact connection with the guide sleeve 13 in advance, the pressing rod 121 continuously pushes the inner pressing knife 124 and the outer pressing knife 125 to synchronously perform pressing and cutting operations, and the cylindrical spring 122 can push the pressing sleeve 123 to move and reset.
The driving mechanism 2 comprises a beam guide frame 20, an actuating cylinder 21, a T-shaped base 22 and a pushing guide plate 23; the cross beam guide frame 20 is installed on the bottom plate 3, the execution cylinder 21 is installed on the cross beam guide frame 20 through a cylinder seat, the output shaft end of the execution cylinder 21 is connected with the bottom end face of the T-shaped base 22 through a floating joint, the T-shaped base 22 is installed on the cross beam guide frame 20 through a sliding fit mode, the pushing guide plates 23 are symmetrically installed on the outer walls of the two sides of the T-shaped base 22 respectively, the pushing guide plates 23 are connected with the pulleys 19A through a sliding fit mode, the outer end face of each pushing guide plate 23 is designed to be inclined from low to high, and the outer end face of each pushing guide plate 23 is designed to be inclined from low to high, so that linear lifting motion is converted into translation motion in the horizontal direction, and accordingly press cutting operation is completed; the actuating cylinder 21 pushes the T-shaped base 22 to move upwards, so that the pushing guide plate 23 pushes the splitting mechanism 1 to move horizontally.
The foregoing shows and describes the general principles, principal features and advantages of the 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 (6)
1. A molding processing method of a nitrile rubber sealing ring uses a nitrile rubber sealing ring molding processing device, the processing device comprises a splitting mechanism (1), a driving mechanism (2) and a bottom plate (3), and the method is characterized in that: the specific method for molding, pressing and cutting the nitrile rubber sealing ring by adopting the processing equipment comprises the following steps:
s1, cutting a rubber material: cutting the rubber material into a specified size by cutting equipment, and then carrying out molding press-cutting treatment on the butadiene-acrylonitrile rubber sealing ring;
s2, placing a rubber material: the cut rubber materials are placed on the supporting claw (16) by workers and are vertically placed through a clamping groove in the supporting claw (16);
s3, press cutting and forming: pushing the splitting mechanism (1) through a driving mechanism (2), and then performing press-cutting treatment on the rubber material placed in the S2 to press-cut the rubber material into a plurality of annular gaskets so as to prepare the nitrile rubber sealing ring;
s4, collecting and replacing: the waste materials generated by press cutting are discharged through a waste material discharging plate (14), the formed nitrile rubber sealing ring is collected by an aggregate guide plate (15), rubber materials are replaced by workers, and the press cutting operation is repeated;
a driving mechanism (2) is installed on the central end face of the bottom plate (3), a splitting mechanism (1) is arranged on the outer side of the driving mechanism (2), the driving mechanism (2) is connected with the splitting mechanism (1) in a sliding fit mode, and the splitting mechanism (1) is symmetrically installed on the bottom plate (3);
the slitting mechanism (1) comprises a main beam support (10), a pushing sliding plate (11), a pressing and cutting unit (12), a guide sleeve (13), a waste discharging and dropping plate (14), an aggregate guide plate (15), a supporting claw (16), a guide rod (17), an ejector rod (18), a compression spring (19) and a pulley (19A); the main beam support (10) is arranged on a bottom plate (3), a pushing sliding plate (11) is arranged on the end face of the main beam support (10) in a sliding fit mode, a plurality of groups of pressing and cutting units (12) which are linearly arranged along the length direction of the outer wall of the pushing sliding plate (11) are arranged on the outer wall of the pushing sliding plate, guide sleeves (13) are arranged on the opposite sides of the pressing and cutting units (12), the guide sleeves (13) are uniformly arranged on the main beam support (10), the guide sleeves (13) are linearly arranged along the width direction of the main beam support (10), a waste discharging and dropping plate (14) is arranged below the guide sleeves (13), the waste discharging and dropping plate (14) is arranged on the outer wall of the main beam support (10), claws (16) are symmetrically arranged on the main beam support (10), guide plates (15) are arranged below the claw (16), the collecting guide plates (15) are arranged on the inner wall of the main beam support (10), guide rods (17) are symmetrically arranged on the outer wall of the pushing sliding plate (11), the guide rods (17) are connected with the main beam support (10) in a sliding fit mode, and two ejector rods (18) are arranged between the main beam support (10) and connected with the ejector rod support (17), a compression spring (19) is arranged on the outer ring of the ejector rod (18), the outer side shaft end of the compression spring (19) is in mutual abutting connection with a pulley (19A), the pulley (19A) is installed on the outer side shaft end of the ejector rod (18) through a bearing seat, and the pulley (19A) is connected with the driving mechanism (2) in a rolling mode;
the press-cutting unit (12) comprises a press rod (121), a cylindrical spring (122), a press sleeve (123), an inner press cutter (124) and an outer press cutter (125); the pressing rod (121) is installed on the outer wall of the abutting sliding plate (11), a cylindrical spring (122) is arranged on the outer ring of the pressing rod (121), the outer side shaft end of the cylindrical spring (122) is in abutting connection with a pressing sleeve (123), the pressing sleeve (123) is installed on the pressing rod (121) in a sliding fit mode, an inner pressing cutter (124) is arranged inside the pressing sleeve (123), the inner pressing cutter (124) is installed on the shaft end of the pressing rod (121), an outer pressing cutter (125) is arranged on the outer side of the pressing sleeve (123), the outer pressing cutter (125) is installed on the shaft end of the pressing rod (121), and the outer pressing cutter (125) is connected with the pressing sleeve (123) in a sliding fit mode.
2. The method for molding and processing the nitrile rubber sealing ring according to claim 1, wherein the method comprises the following steps: the driving mechanism (2) comprises a beam guide frame (20), an execution cylinder (21), a T-shaped base (22) and a pushing guide plate (23); the T-shaped base (22) is installed on the beam guide frame (20) in a sliding fit mode, the outer walls of two sides of the T-shaped base (22) are symmetrically provided with abutting and pushing guide plates (23), and the abutting and pushing guide plates (23) are connected with a splitting mechanism (1) in a sliding fit mode.
3. The method for molding and processing the nitrile rubber sealing ring according to claim 1, wherein the method comprises the following steps: the inner ring of the guide sleeve (13) is designed to be a conical opening.
4. The method for forming and processing the nitrile rubber sealing ring according to claim 1, wherein the method comprises the following steps: the pressing sleeve (123) is provided with a waist-shaped through hole.
5. The method for molding and processing the nitrile rubber sealing ring according to claim 1, wherein the method comprises the following steps: the knife cutting edges of the inner pressing knife (124) and the outer pressing knife (125) are designed to be horizontally inclined.
6. The method for molding and processing the nitrile rubber sealing ring according to claim 2, wherein the method comprises the following steps: the outer side end face of the push guide plate (23) is designed to be inclined from low to high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110341767.0A CN113070942B (en) | 2021-03-30 | 2021-03-30 | Method for forming and processing nitrile rubber sealing ring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110341767.0A CN113070942B (en) | 2021-03-30 | 2021-03-30 | Method for forming and processing nitrile rubber sealing ring |
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| CN113070942B true CN113070942B (en) | 2022-10-28 |
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| CN106426393A (en) * | 2016-07-07 | 2017-02-22 | 浙江翔宇密封件有限公司 | Burr removing device of sealing ring |
| CN207415535U (en) * | 2017-11-02 | 2018-05-29 | 上海正村橡塑工业有限公司 | A kind of electric switch is with sealing ring processing decompressor |
| CN207789151U (en) * | 2017-12-13 | 2018-08-31 | 深圳市富创橡塑五金制品有限公司 | A kind of waste material of sealing ring gum excludes the waste material removal device of machine automatically |
| CN207915637U (en) * | 2018-03-09 | 2018-09-28 | 东莞锦鸿橡塑制品有限公司 | A kind of die-cutting apparatus of die-cutting machine |
| CN110714988A (en) * | 2019-10-16 | 2020-01-21 | 李岑丽 | Rubber sealing ring, processing device and manufacturing method |
| CN212241321U (en) * | 2020-05-19 | 2020-12-29 | 安密久密封科技(苏州)有限公司 | Cutting device is used in processing of rubber packing ring |
| CN112405705A (en) * | 2020-11-13 | 2021-02-26 | 四川泛华航空仪表电器有限公司 | Die-cut frock of asbestos packing ring for ignition electric nozzle |
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Effective date of registration: 20220921 Address after: Sanqiao Industrial Zone, Dongou Street, Yongjia County, Wenzhou City, Zhejiang Province, 325102 Applicant after: WENZHOU OUHONG SEAL CO.,LTD. Address before: 215010 No.2, Peiyuan Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: Zhang Fangfang |
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