CN114619643A - Online continuous production device of O-shaped sealing ring for high-speed rail sealing element - Google Patents
Online continuous production device of O-shaped sealing ring for high-speed rail sealing element Download PDFInfo
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- CN114619643A CN114619643A CN202111301644.0A CN202111301644A CN114619643A CN 114619643 A CN114619643 A CN 114619643A CN 202111301644 A CN202111301644 A CN 202111301644A CN 114619643 A CN114619643 A CN 114619643A
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- laser generator
- die
- rubber tube
- reciprocating motion
- horizontal reciprocating
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an online continuous production device of an O-shaped sealing ring for a high-speed rail sealing element, which comprises an extruder; the die is connected to the outlet of the extruder; the die comprises a die head, the die head comprises an outer die sleeve and an inner die head, and the inner die head extends out of the outer die sleeve by a set distance towards the outlet of the die head; the cutting mechanism comprises a laser generator and a first horizontal reciprocating motion assembly; the laser generator is fixedly arranged at the output end of the first horizontal reciprocating motion assembly and is positioned at the outlet end of the mold; the first horizontal reciprocating motion component drives the laser generator to intermittently move according to a set rhythm; laser generator and mould export eccentric settings, the drive laser generator of first horizontal reciprocating motion subassembly is followed rubber tube ejection of compact direction and is moved by first settlement position to the second settlement position, and moving speed and mould ejection of compact speed are synchronous, and at laser generator by first position to the second position removal in-process, laser generator work cuts off the rubber tube of mould export exhaust.
Description
Technical Field
The invention belongs to the technical field of sealing ring production, and particularly relates to an online continuous production device for an O-shaped sealing ring for a high-speed rail sealing element.
Background
The sealing ring is used for sealing at a joint of two parts or at a relative movement position of the two parts as the name implies, and the existing sealing ring is usually produced by taking rubber as a base material. As shown in fig. 3, since the sealing ring is often in an annular structure, in the conventional process, the sealing ring is usually first subjected to mixing and honey refining and then rolled to a certain thickness, then cut into strip-shaped adhesive tapes 810, oblique openings 822/821 are cut at two ends of the adhesive tapes, and finally, workers splice the oblique openings 822/821 at the two ends of the adhesive tapes and then bond the adhesive tapes into an annular rubber 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 disadvantages: 1. the slitting, the bevel opening splicing and the glue bonding are all carried out manually, and the glue curing also needs longer time, so that the production efficiency is not high, and the large-batch production is difficult; 2. although the basic requirements of daily use of molding can be met by adopting the mode of splicing the bevel connection with glue for bonding, the connection strength and the firmness of the interface 820 are lower than those of the rubber ring, and the joint is prone to fracture after the rubber ring is used for a period of time to cause sealing failure, so that the service life and the stability of the sealing ring are difficult to guarantee, and the product quality is difficult to improve; 3. because the process itself causes the seal ring itself not to have enough strength, some high pressure or high demand applications will have great difficulty.
The manufacturing method of the high polymer material sealing ring with the application number of 201410275133.X comprises the steps of firstly extruding and molding a high polymer material, and then cutting the high polymer material by laser to obtain the sealing ring, but the sealing ring is obtained by only extruding and molding a high polymer material into a cylinder, then taking down and fixing the cylinder and then cutting the cylinder by laser, and the sealing ring can be produced only by cooperation of a plurality of machines without increasing processes, needs to be repeatedly positioned, has higher positioning precision requirement, and otherwise can cause product defects caused by inaccurate laser cutting position; in addition, the production process is undoubtedly increased, the production cost is increased, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to provide an online continuous production device of an O-shaped sealing ring for a high-speed rail sealing element, which aims to solve the technical problems in the background art.
In order to solve the technical problem, the invention aims to realize that:
an on-line continuous production device of O-shaped sealing rings for high-speed rail sealing elements comprises
An extruder;
a die connected to an outlet of the extruder; the die comprises a die head, the die head comprises an outer die sleeve and an inner die head, and the inner die head extends out of the outer die sleeve in the outlet direction of the die head by a certain distance;
the cutting mechanism comprises a laser generator and a first horizontal reciprocating motion assembly; the laser generator is fixedly arranged at the output end of the first horizontal reciprocating motion assembly and is positioned at the outlet end of the mold; the first horizontal reciprocating motion assembly drives the laser generator to intermittently move according to a set rhythm; the laser generator and the die outlet are eccentrically arranged, the first horizontal reciprocating motion assembly drives the laser generator to move from a first set position to a second set position along the rubber tube discharging direction, the moving speed is synchronous with the die discharging speed, and the laser generator works to cut off the rubber tube discharged from the die outlet in the process of moving from the first position to the second position; when the first horizontal reciprocating motion assembly drives the laser generator to move from a first set position to a second set position, the first horizontal reciprocating motion assembly instantly returns to the first set position from the second set position; setting the time from the time that the first horizontal reciprocating motion assembly drives the laser generator to return to the first set position from the second set position to the time that the laser generator works again to t1, wherein the moving distance of one end, away from the mold, of the rubber tube is equal to the thickness of the sealing ring within the time t 1; the first setting position is that one end of the inner die head far away from the outer die sleeve is set to be a zero point, the moving direction of the rubber tube is a forward direction, the first setting position is shifted from the zero point along the axial forward direction of the inner die head by a distance x, the coordinate of the first setting position is (x, 0), the extrusion speed of the extruder is set to be V, the time required for the laser generator to cut off the rubber tube is t2, and the second setting position is (x + V x t2, 0).
On the basis of the above scheme and as a preferable scheme of the scheme: still include cooling device, cooling device is located the exit end of mould with between the cutting mechanism, cooling device will the rubber tube cools off to the settlement temperature.
On the basis of the above scheme and as a preferable scheme of the scheme: the cooling device is provided with a cooling channel, and the rubber tube penetrates through the cooling channel; the cooling device cools the rubber tube through a cooling medium.
On the basis of the above scheme and as a preferable scheme of the scheme: a sliding groove is formed below the die outlet, and the cut rubber is discharged along the sliding groove.
On the basis of the above scheme and as a preferable scheme of the scheme: a sliding groove is formed below the die outlet, and the cut rubber is discharged along the sliding groove.
On the basis of the above scheme and as a preferable scheme of the scheme: the first setting position is a negative offset distance a (x-a, 0) on the basis that one end of the inner die head, which is far away from the outer die sleeve, is offset to the moving direction of the rubber pipe along the axial direction by a setting distance; the second set position is (x + V × t2, 0).
On the basis of the above scheme and as a preferable scheme of the scheme: the laser generator is driven by the first horizontal reciprocating motion assembly, and the laser generator works at the same speed with the rubber pipe when the laser generator reaches (x, 0) from a first set position after the laser generator starts to move along the forward direction by a distance a.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that: 1. the rubber ring obtained by the production method is an integral body, and slitting, bevel opening splicing and glue bonding are not needed, so that the steps and the working procedures are saved, the labor is saved, the glue curing time is saved due to the fact that glue bonding is not needed, and the mass production efficiency is greatly improved.
2. The rubber ring is of an integrated structure, the problem that sealing failure is caused due to the fact that the joint is prone to being broken at the joint after the rubber ring is used for a period of time because the joint strength and the firmness of the joint are lower than those of the rubber ring in a traditional bevel joint splicing glue bonding mode does not exist, the service life and the stability of the sealing ring are greatly improved, and the product quality is improved.
3. The sealing ring produced by the invention has enough strength and good consistency, and can completely meet the application of high pressure or occasions with higher requirements.
4. Compared with the existing production mode, the continuous online production can be realized, the O-shaped ring is directly obtained, the size of the produced O-shaped ring is accurate, and the product quality is improved.
Drawings
FIG. 1 is a schematic view of the overall construction of an apparatus for producing an annular seal ring;
FIG. 2 is a schematic view of a mold structure;
FIG. 3 is a schematic view of a conventional rubber gasket construction;
FIG. 4 is an expanded view of a conventional rubber ring;
FIG. 5 is a view of the construction of the rubber gasket of the present application;
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer, 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 obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. Based on the embodiments given, all other embodiments obtained by persons skilled in the art without any inventive work belong to the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, 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 to imply that the number of indicated technical features is significant.
Referring to FIGS. 1-2, an apparatus for producing an annular seal ring comprises
The extruder 100 comprises a feeding port 110 positioned above the extruder, and an extruder driving motor 200 drives the extruder to operate; the rubber material after being refined with honey 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 discharge the rubber material from the outlet of the extruder 100;
the mold 300 is connected to the outlet of the extruder 100, the mold 300 comprises a mold fixing seat 320 and a die head 310, the die head 310 comprises an outer mold sleeve 313 and an inner die head 311, a die head outlet 312 is formed between the outer mold sleeve 313 and the inner die head 311, the rubber material extruded from the extruder 100 is formed through the die head 310 and then is discharged from the die head outlet 312, and thus the rubber material discharged from the die head outlet 312 forms a rubber cylinder 700 with a hollow cylindrical structure.
A cutting mechanism 400 comprising a laser generator 420, a first horizontal reciprocating assembly 410; the laser generator 420 is fixedly arranged at the output end of the first horizontal reciprocating component 410, and the laser generator 420 is positioned at the outlet end of the mold 300; the first horizontal reciprocating assembly 410 drives the laser generator 420 to intermittently move according to a set rhythm; the laser generator 420 and the outlet of the mold 300 are eccentrically arranged, the first horizontal reciprocating assembly 410 drives the laser generator 420 to move from a first set position to a second set position along the discharging direction of the rubber tube 700, the moving speed is synchronous with the discharging speed of the mold, and the laser generator 420 works to cut off the rubber tube 700 discharged from the outlet of the mold 300 in the process that the laser generator 420 moves from the first position to the second position; when the first horizontal reciprocating assembly 410 drives the laser generator 420 to move from the first set position to the second set position, the first horizontal reciprocating assembly 410 instantly returns to the first set position from the second set position; setting one end of the inner die head, which is far away from the outer die sleeve, as a zero point, setting the moving direction of the rubber tube as a forward direction, setting the first setting position to be offset by a distance x along the axial forward direction of the inner die head from the zero point, setting the coordinate of the zero point as (x, 0), setting the extrusion speed of the extruder as V, and setting the time required by the laser generator to cut off the rubber tube as t2, wherein the extrusion speed of the extruder is constant, the time required by the laser generator to cut off the rubber tube is also determined, and then setting the second setting position as (x + V x t2, 0). It should be noted that x in this embodiment is a preset clearance distance, and this distance can well avoid the laser generated by the laser generator from the internal die head, so as to avoid interference between the laser and the internal die head or prevent the rubber tube from being cut well, and the specific x value is adjusted on site according to the actual requirement of the equipment. That is, when the outermost end of the inner die is set to the zero point, the laser generator starts to move from the first set position (x, 0) and starts to operate, and the rubber hose can be cut off at least no later than when the laser generator moves to the second set position (x + V × t2, 0). In order to improve the production efficiency and guarantee the production rhythm most possibly, the time from the time when the first horizontal reciprocating assembly 410 drives the laser generator 420 to return to the first set position from the second set position to the time when the laser generator 420 works again is set as t1, the moving distance of one end of the rubber tube away from the die is equal to the thickness of the sealing ring within the time t1, and the length extruded by the rubber tube is just equal to the thickness of the sealing ring when the laser generator moves to the first set position from the second set position, so that the next cutting process can be immediately carried out when the laser generator 420 returns to the first set position, and the production efficiency is greatly improved.
Further, this application still includes cooling device 500, and cooling device 500 is located between the exit end of mould 300 and cutting mechanism 400, and cooling device 500 cools off rubber tube 700 to the settlement 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 hose by a cooling medium. In the embodiment, the cooling medium can be selected to be air or water and other flowing cooling media, for example, the rubber hose is rapidly cooled by air cooling or by circulating cooling water, so that the rubber ring is ensured to be low enough in temperature to be shaped during cutting.
Further, in order to do benefit to the more convenient recovery of the sealing washer after the cutting, this application preference mould export below is provided with a spout 600, and the sealing washer that obtains behind the sizing material 700 that cuts off drops to the spout and discharges along spout 600 under the action of gravity, can set up the groove that gathers materials in the exit of spout 600 to collect the sealing washer.
Example two
Considering that when the output end of the first horizontal reciprocating assembly 410 drives the laser generator 420 to move from the first set position, due to the inertia effect, the laser generator 420 cannot immediately reach the speed synchronous with the rubber tube, so that the initial external notch will be inclined or uneven, based on the implementation of the first embodiment, the embodiment is further preferred that the first set position is a negative deviation distance a on the basis that one end of the inner die head away from the outer die sleeve is deviated from the rubber tube moving direction along the axial direction thereof by a set distance, and is (x-a, 0); the second set position is (x + V × t, 0); laser generator is under the drive of first horizontal reciprocating motion subassembly, and by the initial (x of following forward movement distance a) of setting for the position, arrive with the rubber tube at the same time just with the speed, laser generator work simultaneously, has just so greatly guaranteed sealing washer notched precision and roughness, improves the product quality of sealing washer.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an online continuous production device of O shape sealing washer for high-speed railway sealing member which characterized in that: comprises an extruder;
a die connected to an outlet of the extruder; the die comprises a die head, the die head comprises an outer die sleeve and an inner die head, and the inner die head extends out of the outer die sleeve by a set distance towards the outlet direction of the die head;
the cutting mechanism comprises a laser generator and a first horizontal reciprocating motion assembly; the laser generator is fixedly arranged at the output end of the first horizontal reciprocating motion assembly and is positioned at the outlet end of the mold; the first horizontal reciprocating motion assembly drives the laser generator to intermittently move according to a set rhythm; the laser generator and the die outlet are eccentrically arranged, the first horizontal reciprocating motion assembly drives the laser generator to move from a first set position to a second set position along the rubber tube discharging direction, the moving speed is synchronous with the die discharging speed, and the laser generator works to cut off the rubber tube discharged from the die outlet in the process of moving from the first position to the second position; when the first horizontal reciprocating motion assembly drives the laser generator to move from a first set position to a second set position, the first horizontal reciprocating motion assembly instantly returns to the first set position from the second set position; setting the time from the time that the first horizontal reciprocating motion assembly drives the laser generator to return to the first set position from the second set position to the time that the laser generator works again to t1, wherein the moving distance of one end, away from the mold, of the rubber tube is equal to the thickness of the sealing ring within the time t 1; setting one end, far away from the outer die sleeve, of the inner die head as a zero point, setting the moving direction of the rubber tube as a forward direction, setting the extrusion speed of the extruder as V by the coordinate of (x, 0) along the axial forward offset distance x of the inner die head at the first setting position, setting the time required by cutting off the rubber tube as t2 by the laser generator as t2, and setting the second setting position as (x + V x t2, 0).
2. The on-line continuous production apparatus of the O-ring for the high-speed rail seal according to claim 1, wherein: the rubber tube cutting device is characterized by further comprising a cooling device, wherein the cooling device is located between the outlet end of the die and the cutting mechanism, and the cooling device cools the rubber tube to a set temperature.
3. The on-line continuous production apparatus of the O-ring for the high-speed rail seal according to claim 2, wherein: the cooling device is provided with a cooling channel, and the rubber tube penetrates through the cooling channel; the cooling device cools the rubber tube through a cooling medium.
4. The on-line continuous production device of the O-shaped sealing ring for the high-speed rail sealing element according to claim 1, characterized in that: a sliding groove is formed below the die outlet, and the cut rubber is discharged along the sliding groove.
5. The on-line continuous production apparatus of the O-ring for the high-speed rail seal according to claim 1, wherein: the first set position is a negative offset distance a (x-a, 0) on the basis that one end of the inner die head, which is far away from the outer die sleeve, is offset to the moving direction of the rubber tube along the axial direction by a set distance; the second set position is (x + V × t, 0).
6. The on-line continuous production apparatus of an O-ring for a high-speed railway seal according to claim 5, wherein: the laser generator is driven by the first horizontal reciprocating motion assembly, and the laser generator works at the same speed with the rubber pipe when the laser generator reaches (x, 0) from a first set position after the laser generator starts to move along the forward direction by a distance a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301644.0A CN114619643A (en) | 2021-11-04 | 2021-11-04 | Online continuous production device of O-shaped sealing ring for high-speed rail sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301644.0A CN114619643A (en) | 2021-11-04 | 2021-11-04 | Online continuous production device of O-shaped sealing ring for high-speed rail sealing element |
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| Publication Number | Publication Date |
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| CN114619643A true CN114619643A (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111301644.0A Pending CN114619643A (en) | 2021-11-04 | 2021-11-04 | Online continuous production device of O-shaped sealing ring for high-speed rail sealing element |
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| CN (1) | CN114619643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901477A (en) * | 2023-09-13 | 2023-10-20 | 苏州美福瑞新材料科技有限公司 | Cutting device and combined sealing ring produced by using same |
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| CN111805079A (en) * | 2020-07-28 | 2020-10-23 | 深圳泰德激光科技有限公司 | Laser cutting equipment |
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2021
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| WO2007129430A1 (en) * | 2006-05-01 | 2007-11-15 | Ibiden Co., Ltd. | Honeycomb structure, process for producing honeycomb structure, honeycomb filter and process for producing honeycomb filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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