CN114603815B - Production process and production device of annular sealing ring - Google Patents
Production process and production device of annular sealing ring Download PDFInfo
- Publication number
- CN114603815B CN114603815B CN202111301555.6A CN202111301555A CN114603815B CN 114603815 B CN114603815 B CN 114603815B CN 202111301555 A CN202111301555 A CN 202111301555A CN 114603815 B CN114603815 B CN 114603815B
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- reciprocating motion
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- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 48
- 230000000903 blocking effect Effects 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000033764 rhythmic process Effects 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 235000012907 honey Nutrition 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- 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
- B26D1/0006—Cutting members therefor
-
- 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
-
- 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
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/001—Cutting tubes longitudinally
-
- 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
- B26D7/08—Means for treating work or cutting member to facilitate cutting
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
-
- 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
- B26D1/0006—Cutting members therefor
- B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production device of an annular sealing ring for a high-speed rail sealing element, which comprises an extruder, wherein the extruder is provided with a sealing ring; an inner die head; the cutting mechanism comprises a cutter, a cutter driving assembly, an air blowing assembly, a first horizontal reciprocating motion assembly and a second horizontal reciprocating motion assembly, wherein the cutter driving assembly drives the cutter to intermittently move according to a set rhythm so as to cut off a rubber tube discharged from a die outlet; the inner die head extends from the outlet end of the die to the direction of the plugging part by a set length, after the plugging part is embedded into the inner hole of the rubber tube, a gas storage space is formed between the inner die head and the plugging head in the rubber tube, and the plugging part is filled with gas with set pressure; the second horizontal reciprocating motion assembly drives the first horizontal reciprocating motion assembly to move from a first starting point to a first end point along the discharging direction of the die; the first horizontal reciprocating motion assembly drives the cutter driving assembly and the blowing assembly to intermittently move once, and the blocking part is filled with compressed gas into the gas storage space.
Description
Technical Field
The invention belongs to the technical field of production of sealing rings, and particularly relates to a production process and a production device of an annular sealing ring.
Background
The sealing ring is used for sealing a joint of two parts or a relative movement position of the two parts, and the existing sealing ring is often produced by taking rubber as a base material. Referring to fig. 4-5, because the sealing ring is usually in an annular structure, in the traditional process, the sealing ring is usually rolled to a certain thickness after being mixed and refined with honey, then is cut into strip-shaped adhesive tapes 810, inclined openings 822/821 are cut at two ends of the adhesive tapes, and finally, workers splice the inclined openings 822/821 at two ends of the adhesive tapes and then bond the adhesive tapes into the annular adhesive ring 800 by using glue; although the traditional forming mode can meet the forming requirement of the sealing ring, the traditional forming mode has the following defects: 1. the strip cutting, the bevel opening splicing and the glue bonding are all carried out manually, and the glue curing also needs a long time, so that the production efficiency is low, and the large-scale production is difficult; 2. although the mode of splicing glue with the bevel connection can meet the basic requirement of daily use of molding, the joint strength and the fastness of the interface 820 are lower than those of the rubber ring, and after the interface is used for a period of time, the joint is easy to break to cause sealing failure, so that the service life and the stability of the sealing ring are difficult to ensure, and the quality of the product is difficult to improve; 3. some high pressure or higher demand applications can be more difficult due to the inability of the seal itself to have sufficient strength as a result of the process itself.
The manufacturing method of the high polymer material sealing ring with the application number of 201410275133.X adopts extrusion molding of the high polymer material, and then adopts laser to cut, so that the sealing ring is obtained, but the problem is that only the high polymer material can be extruded to form a cylinder, then the cylinder is taken down and fixed and then is cut by the laser, the production can be completed through the cooperation of a plurality of machines, the procedure is not increased, repeated positioning is required, the positioning precision requirement is high, otherwise, the inaccurate laser cutting position can cause product flaws; in addition, the production process is increased, the production cost is increased, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to provide a production process and a production device of an annular sealing ring, which aim to solve the technical problems in the background technology.
In order to solve the technical problems, the aim of the invention is realized as follows:
a production device of an annular sealing ring comprises
An extruder;
the die is connected to the outlet of the extruder; the die comprises a die head, wherein the die head comprises an outer die sleeve and an inner die head;
the cutting mechanism comprises a cutter, a cutter driving assembly, a blowing assembly, a first horizontal reciprocating motion assembly and a second horizontal reciprocating motion assembly, and the cutter is positioned at the outlet end of the die; the cutter driving assembly drives the cutter to intermittently move according to a set rhythm so as to cut off the rubber tube discharged from the die outlet; the blowing assembly comprises a blocking head and a gas passage, the blocking head is provided with a blocking part matched with the inner diameter of the rubber pipe, the inner die extends from the outlet end of the die to the direction of the blocking head for a set length, the blocking part and the inner die are coaxially arranged, after the blocking part is embedded into the inner hole of the rubber pipe, a gas storage space is formed between the inner die and the blocking head in the rubber pipe, and the blocking part is communicated with an external pressure gas source by virtue of the gas passage, and gas with set pressure is introduced into the gas storage space; the rotation center of the cutter and the plugging head are eccentrically arranged, and the cutting plane of the cutter is offset by a set distance from the plugging part to the direction of the die; the cutter driving assembly and the blowing assembly are fixedly arranged at the output end of the first horizontal reciprocating motion assembly, and the first horizontal reciprocating motion assembly is fixedly arranged at the output end of the second horizontal reciprocating motion assembly; the second horizontal reciprocating motion assembly drives the first horizontal reciprocating motion assembly to move from a first starting position to a first end position along the discharging direction of the die, and the moving speed is synchronous with the discharging speed of the die; the first horizontal reciprocating motion assembly drives the cutter driving assembly and the blowing assembly to intermittently move from a second starting point position to a second end point position according to a set speed, the blocking part is just embedded into one end of the rubber tube far away from the die and compressed gas is introduced into the gas storage space after each intermittent movement, the cutter is cut once, the distance of each intermittent movement is equal to the thickness of the sealing ring, when the first horizontal reciprocating motion assembly moves from the second starting point position to the second end point position, the first horizontal reciprocating motion assembly returns to the second starting point position immediately, and the second horizontal reciprocating motion assembly returns to the first starting point position; the end part of the rubber tube extends out of the end part of the inner die by a set length of a+x (a is a reserved length, x is a cutter clearance), the moving distance of the second horizontal reciprocating motion assembly is y, and the moving distance of the first horizontal reciprocating motion assembly is a+y.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the rubber tube cutting device comprises a die, a cutting mechanism, a cooling device and a rubber tube cooling device, wherein the cooling device is positioned between the outlet end of the die and the cutting mechanism, and the cooling device cools the rubber tube to a set temperature.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the cooling device is provided with a cooling channel, and the rubber pipe passes through the cooling channel; the cooling device cools the rubber tube through a cooling medium.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: a chute is arranged below the die outlet, and the cut sizing material is discharged along the chute.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the cutter driving assembly is a high-speed motor, the rotating shaft of the high-speed motor is fixedly connected with an eccentric connecting disc, the eccentric connecting disc is provided with an eccentric shaft, and one end of the cutter is movably connected with the eccentric shaft.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the cutter body of cutter is wedge structure, the wedge face of cutter body with high-speed motor revolves to unanimously, the cutter body is provided with the cutting edge in the side that the wedge face is located.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the blade is wedge-shaped.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: when the first horizontal reciprocating motion assembly moves from the second starting point position to the second end point position, the plugging head is kept embedded in the rubber pipe, the output end of the first horizontal reciprocating motion assembly is kept synchronous with the output speed of the rubber pipe and returns to the second starting point position, and the second horizontal reciprocating motion assembly returns to the first starting point position.
Compared with the prior art, the invention has the following outstanding and beneficial technical effects: 1. the rubber ring obtained by adopting the production method is a whole, and is free from slitting, opening diagonal opening, diagonal opening splicing and glue bonding, so that the steps and procedures are omitted, the labor is saved, and the time for curing the glue is also omitted because the glue bonding is not needed, so that the mass production efficiency is greatly improved.
2. The rubber ring is of an integrated structure, the mode that the traditional bevel connection splicing glue is not used for bonding is lower than the rubber ring due to the fact that the connection strength and the fastness of an interface are lower than those of the rubber ring, so that the problem that sealing failure is caused by breakage at the connection part after the rubber ring is used for a period of time is solved, the service life and the stability of a sealing ring are greatly improved, and the product quality is improved.
3. The produced sealing ring has enough strength and good consistency, and can completely meet the application of high pressure or occasions with higher requirements.
Drawings
FIG. 1 is a schematic view of the overall structure of an annular seal ring production apparatus;
FIG. 2 is a front view of an annular seal ring production apparatus;
FIG. 3 is a schematic diagram of a mold structure;
FIG. 4 is a schematic diagram of a conventional rubber ring structure;
FIG. 5 is an expanded view of a conventional rubber ring;
FIG. 6 is a block diagram of a rubber ring of the present application;
FIG. 7 is a schematic illustration of an eccentric land configuration;
FIG. 8 is a cross-sectional view of a tool;
fig. 9 is a schematic view of the state of the cutter cutting the rubber tube.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, based on the examples given, which a person of ordinary skill in the art would obtain without undue burden are within the scope of protection of the present application.
In the description of the present application, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
1-3, an apparatus for producing an annular seal ring, comprising
Extruder 100, including a feed inlet 110 located above the extruder, an extruder drive motor 200 driving the extruder in operation; the rubber material subjected to the honey refining is put into the extruder 100 from the feeding port 110, and the extruder is driven by the extruder driving motor 200 to further extrude and refine the rubber material and then is discharged from an outlet of the extruder 100;
the die 300 is connected to the outlet of the extruder 100, the die 300 comprises a die holder 320 and a die head 310, the die head 310 comprises an outer die sleeve 313 and an inner die 311, a die head outlet 312 is formed between the outer die sleeve 313 and the inner die 311, the sizing material extruded from the extruder 100 is discharged from the die head outlet 312 after being molded by the die head 310, and thus the sizing material discharged from the die head outlet 312 forms a sizing barrel 700 with a hollow cylindrical structure.
A cutting mechanism 400 comprising a cutter 420, a cutter drive assembly 410, an air blow assembly 430, a first horizontal reciprocating assembly 440, and a second horizontal reciprocating assembly 450, the cutter 420 being located at the outlet end of the die 300; the cutter driving assembly 410 drives the cutter 420 to intermittently move according to a set rhythm to cut off the rubber tube 700 discharged from the die outlet; the blowing component 430 comprises a blocking head 431 and a gas passage 432, wherein the blocking head 431 is provided with a blocking part matched with the inner diameter of the rubber tube 700, preferably the outer diameter of the blocking part 431 is smaller than the inner diameter of the rubber tube 700, so that the blocking part 431 can be smoothly inserted into the rubber tube 700, the inner die head 311 extends from the outlet end of the die to the direction of the blocking part 431, the blocking part 431 and the inner die head 311 are coaxially arranged, after the blocking part 431 is embedded into the inner hole of the rubber tube 700, a gas storage space is formed between the inner die head 311 and the blocking head 431, the blocking part 431 is communicated with an external pressure gas source by virtue of the gas passage 432, gas with set pressure is introduced into the gas storage space, and the rubber tube with set pressure is provided for the wall of the rubber tube in the gas storage space from inside to outside by filling the gas with set pressure, so that a supporting force is provided for the rubber tube, namely, when the rubber tube 420 is contacted with the rubber tube, the rubber tube has a certain strength, the rubber tube can keep a sufficient shape, so that the problem that the excessive deformation of the rubber tube when the rubber tube is cut, the cutting size is too large, and the problem of a cut is still caused by oblique or uneven cut is still caused; the rotation center of the cutter 420 and the plugging head 431 are eccentrically arranged, and the cutting plane of the cutter 420 is offset by a set distance to the direction of the die relative to the plugging part; the cutter driving assembly 410 and the blowing assembly 430 are fixedly arranged at the output end 441 of the first horizontal reciprocating assembly, and the first horizontal reciprocating assembly 440 is fixedly arranged at the output end 451 of the second horizontal reciprocating assembly; the second horizontal reciprocating motion assembly 450 drives the first horizontal reciprocating motion assembly 440 to move from the first starting position to the first end position along the discharging direction of the die 300, and the moving speed is synchronous with the discharging speed of the die 300; the first horizontal reciprocating assembly 440 drives the cutter driving assembly 410 and the blowing assembly 430 to intermittently move from the second starting position to the second ending position according to a set speed, the blocking portion 431 is just embedded into one end of the rubber tube 700 far away from the mold 300 and compressed air is introduced into the air storage space after each intermittent movement, the cutter 420 cuts once, the distance of each intermittent movement is equal to the thickness of the sealing ring, when the first horizontal reciprocating assembly 440 moves from the second starting position to the second ending position, the first horizontal reciprocating assembly 440 returns to the second starting position immediately, and the second horizontal reciprocating assembly 450 returns to the first starting position; the end of the hose 700 extends a set length a+x (a is a predetermined length, x is a cutter clearance) from the end of the inner die 311, the second horizontal reciprocating member 450 moves a distance y, and the first horizontal reciprocating member moves 440 a distance a+y.
Further, the present application further includes a cooling device 500, wherein the cooling device 500 is located between the outlet end of the die 300 and the cutting mechanism 400, and the cooling device 500 cools the rubber tube 700 to a set temperature. The cooling device 500 is provided with a cooling channel 510, and the rubber tube 700 passes through the cooling channel 510; the cooling device 500 cools the rubber tube by a cooling medium. In this embodiment, the cooling medium may be selected to be a flowing cooling medium such as air or water, for example, air cooling is adopted or the rubber tube is cooled rapidly by circulating cooling water, so as to ensure that the rubber tube has sufficient strength to avoid excessive deformation when the air storage space is inflated.
Further preferably, as seen in fig. 7-8, the cutter driving assembly 410 is a high speed motor, the shaft 411 of the high speed motor is fixedly connected to an eccentric connection disc 412, the eccentric connection disc 412 has an eccentric shaft 4121, and one end of the cutter 420 is movably connected to the eccentric shaft 4121. Further, the cutter body of the cutter 420 has a wedge structure, the wedge surface of the cutter body is consistent with the rotation direction of the high-speed motor, and the cutter body is provided with a cutting edge 421 at the side of the wedge surface. Preferably, the blade 421 is wedge-shaped; referring to fig. 9, the knife driving assembly is configured such that the knife is further rotated by the high-speed motor after contacting the hose 700, so that the knife edge is relatively slid with respect to the hose, if the knife is directly cut into the hose, a large pressure is required to be generated to cut into the hose, but the hose is greatly deformed, and a transverse sliding is generated during cutting, so that the cut sealing ring generates an inclined plane.
In order to solve the problem that the rubber tube may bend under the action of gravity after the rubber tube is cooled by the cooling device and the extending length extends a+x, the present embodiment preferably returns to the second starting position with the first horizontal reciprocating assembly output end 441 being synchronized with the output speed of the rubber tube 700 and the first horizontal reciprocating assembly output end 431 being kept embedded in the rubber tube 700 when the first horizontal reciprocating assembly 440 moves from the second starting position to the second ending position; then the next seal ring cutting is performed, and the cycle is performed. It should be noted that, the distance moved by the first horizontal reciprocating member 440 during the returning process is still a+y, the distance moved by the output end of the second horizontal reciprocating member is y, and the extending length of the rubber tube is a+x. The extrusion speed of the extruder is constant, the extrusion speed is set as V1, the time length t required by the moving distance a+x is a+x/V1, therefore, the moving speed of the output end of the first horizontal reciprocating motion assembly is a+y/t, the moving speed of the output end of the second horizontal reciprocating motion assembly is y/t, then the clearance time of the first horizontal reciprocating motion assembly is t/(a/b), (b) is the thickness of the sealing ring, the coordinated action of the mechanism is realized by debugging various parameters of a controller for controlling the device, and specific software codes are in the prior art and are not repeated here.
Further, in order to facilitate recovery of the seal ring after cutting more conveniently, a chute 600 is arranged below the outlet of the die, the cut-off rubber material 700 is discharged along the chute 600, and a material collecting groove can be arranged at the outlet of the chute 600, so that the seal ring is collected.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (5)
1. The utility model provides a apparatus for producing of ring seal for high-speed railway sealing member which characterized in that: comprising
An extruder;
the die is connected to the outlet of the extruder; the die comprises a die head, wherein the die head comprises an outer die sleeve and an inner die;
the cutting mechanism comprises a cutter, a cutter driving assembly, a blowing assembly, a first horizontal reciprocating motion assembly and a second horizontal reciprocating motion assembly, and the cutter is positioned at the outlet end of the die; the cutter driving assembly drives the cutter to intermittently move according to a set rhythm so as to cut off the rubber tube discharged from the die outlet; the blowing assembly comprises a blocking part and a gas passage, the blocking part is provided with a blocking part matched with the inner diameter of the rubber pipe, the inner die extends from the outlet end of the die to the direction of the blocking part by a set length, the blocking part and the inner die are coaxially arranged, after the blocking part is embedded into the inner hole of the rubber pipe, a gas storage space is formed between the inner die and the blocking part in the rubber pipe, and the blocking part is communicated with an external pressure gas source by virtue of the gas passage, and gas with set pressure is introduced into the gas storage space; the rotation center of the cutter and the plugging part are eccentrically arranged, and the cutting plane of the cutter is offset by a set distance from the plugging part to the direction of the die; the cutter driving assembly and the blowing assembly are fixedly arranged at the output end of the first horizontal reciprocating motion assembly, and the first horizontal reciprocating motion assembly is fixedly arranged at the output end of the second horizontal reciprocating motion assembly; the second horizontal reciprocating motion assembly drives the first horizontal reciprocating motion assembly to move from a first starting point to a first end point along the discharging direction of the die, and the moving speed is synchronous with the discharging speed of the die; the first horizontal reciprocating motion assembly drives the cutter driving assembly and the blowing assembly to intermittently move from a second starting point position to a second end point position according to a set speed, the blocking part is just embedded into one end of the rubber tube far away from the die and compressed gas is introduced into the gas storage space after each intermittent movement, the cutter is cut once, and the distance of each intermittent movement is equal to the thickness of the sealing ring; the first starting point position is the position of the output end of the second horizontal reciprocating motion assembly closest to the end of the die, and the second starting point position is the position of the output end of the first horizontal reciprocating motion assembly farthest from the end of the die; the end part of the rubber tube extends out of the end part of the inner die by a set length of a+x, a is a reserved length, x is a cutter clearance, the moving distance of the second horizontal reciprocating motion assembly is y, and the moving distance of the first horizontal reciprocating motion assembly is a+y;
the cooling device is positioned between the outlet end of the die and the cutting mechanism, and the cooling device cools the rubber tube to a set temperature;
the cooling device is provided with a cooling channel, and the rubber pipe passes through the cooling channel; the cooling device cools the rubber tube through a cooling medium;
the cutter driving assembly is a high-speed motor, the rotating shaft of the high-speed motor is fixedly connected with an eccentric connecting disc, the eccentric connecting disc is provided with an eccentric shaft, and one end of the cutter is movably connected with the eccentric shaft.
2. The apparatus for producing of an annular seal ring for a high-speed rail seal according to claim 1, wherein: a chute is arranged below the die outlet, and the cut rubber material is discharged along the chute.
3. The apparatus for producing of an annular seal ring for a high-speed rail seal according to claim 1, wherein: the cutter body of the cutter is of a wedge-shaped structure, the rotation direction of the wedge-shaped surface of the cutter body is consistent with that of the high-speed motor, and the side of the wedge-shaped surface of the cutter body is provided with a cutting edge.
4. A device for producing an annular seal ring for a high-speed rail seal according to claim 3, characterized in that: the blade is wedge-shaped.
5. The apparatus for producing of an annular seal ring for a high-speed rail seal according to claim 1, wherein: when the first horizontal reciprocating motion assembly moves from the second starting point position to the second end point position, the blocking part is kept embedded in the rubber pipe, the output end of the first horizontal reciprocating motion assembly is kept synchronous with the output speed of the rubber pipe and returns to the second starting point position, and the second horizontal reciprocating motion assembly returns to the first starting point position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301555.6A CN114603815B (en) | 2021-11-04 | 2021-11-04 | Production process and production device of annular sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301555.6A CN114603815B (en) | 2021-11-04 | 2021-11-04 | Production process and production device of annular sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114603815A CN114603815A (en) | 2022-06-10 |
| CN114603815B true CN114603815B (en) | 2024-04-12 |
Family
ID=81857577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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