CN113789688A

CN113789688A - Oil-resistant turnout rubber base plate and forming process thereof

Info

Publication number: CN113789688A
Application number: CN202110895710.5A
Authority: CN
Inventors: 余成科; 翟高飞; 邓威; 吴元炸
Original assignee: Taizhou Dahua Railway Materials Co ltd
Current assignee: Taizhou Dahua Railway Materials Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-14
Anticipated expiration: 2041-08-05
Also published as: CN113789688B

Abstract

The invention relates to the field of railway accessories, in particular to an oil-resistant turnout rubber base plate and a forming process thereof.A combined mould can be newly developed through the integral design among a plurality of base plate bodies in the process of designing the forming mould, a plurality of base plate bodies in a connection state can be produced at one time through the three-dimensional combination of a plurality of upper moulds and lower moulds, and then the base plate bodies in the connection state are cut to obtain the rubber base plate finished product in an independent state, so that the production efficiency is greatly improved, and the forming mould used in the forming process is greatly improved; comprises a machine body, a motor, an upper die and a lower die; the machine body is internally provided with a moving plate which is uniformly arranged, and the surface of the moving plate is provided with an upper die and a lower die; the motor is arranged on the side face of the machine body, so that three-dimensional synchronous forming production of the base plate body is effectively realized, the production safety of workers is guaranteed, meanwhile, high-temperature roasting of workers can be reduced, and the working comfort level is improved.

Description

Oil-resistant turnout rubber base plate and forming process thereof

Technical Field

The invention relates to the field of railway accessories, in particular to an oil-resistant turnout rubber base plate and a forming process thereof.

Background

When the rubber product is produced, the molding process of the rubber product is realized by matching a group of upper dies and lower dies to form a cavity structure,

according to CN108929531A a railway switch oil-resistant rubber tie plate and its preparation technology, the invention has good oil-resistant performance, solves the problem of the application influence of lubricating oil on the switch rubber tie plate, increases the service life thereof, and further can reduce the maintenance amount of railway engineering departments and ensure the running safety of trains; the injection molding machine is adopted to prepare the rubber base plate, so that the production efficiency is greatly improved.

But among the prior art, because the area of switch rubber backing plate is great, be difficult to under the plane distribution state, carry out a mould many caves design, the backing plate finished product of taking not being convenient for of this design needs the staff to stretch into inside the equipment, because forming die's inside is higher, the staff is in the inside in-process of taking of more deep forming die, need bear higher temperature, scald accident appears easily even to when stretching into forming die's inside, also can make the dangerous higher problem of production.

Therefore, the invention provides an oil-resistant turnout rubber base plate and a forming process thereof.

Disclosure of Invention

In order to solve the problems that in the prior art, because the area of a turnout rubber base plate is large, the turnout rubber base plate is difficult to design in a one-die multi-cavity mode in a planar distribution state, the base plate finished product is inconvenient to take and needs to be stretched into equipment by workers, the workers need to bear high temperature and even easily have scalding accidents in the process of stretching into the forming die and the danger of production is high when stretching into the forming die due to the fact that the inside of the forming die is high, the turnout rubber base plate with the oil resistance and the forming process thereof are provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an oil-resistant turnout rubber base plate which comprises a base plate body and a connecting strip; the outline of the base plate body is designed into a cuboid structure; the surface of the base plate body is provided with anti-slip grooves which are uniformly distributed; the connecting strips are uniformly arranged between the base plate bodies and are positioned at the bottom positions of the anti-skidding grooves on the surfaces of the base plate bodies; the side surface of the base plate body is provided with overflow blocks at parting line positions; the surfaces of the overflow blocks are fixedly connected with limit columns which are uniformly arranged; through overall design between a plurality of backing plate bodies, at the in-process of carrying out the forming die design, can newly develop modular mold, through a plurality of mould and the three-dimensional combination of lower mould, once can produce the backing plate body of a plurality of connection states, the rethread is cut apart the backing plate body of connection state, obtains this rubber tie plate finished product of independent state, and production efficiency obtains improving by a wide margin.

An oil-resistant turnout rubber base plate forming process is suitable for the oil-resistant turnout rubber base plate and comprises the following forming steps:

s1: firstly, plasticating and mixing raw materials to obtain an oil-resistant rubber raw material, then quantitatively adding the oil-resistant rubber into a forming die, and injecting the oil-resistant rubber raw material into a die core of the forming die through a sizing device of the forming die;

s2: the motor in the forming die rotates to drive the moving plate uniformly arranged in the forming die to move, so that the corresponding upper die and the lower die move, the temperature, the pressure and the time are well controlled, and the rubber is formed;

s3: manually taking out the molded rubber base plate, observing the appearance of the base plate, manually trimming when the burring phenomenon occurs, and obtaining a finished base plate after trimming;

the forming die used in the step S1 comprises a machine body, a motor, an upper die and a lower die; the front end surface of the machine body is provided with a working groove; a guide post is fixedly connected inside the working groove of the machine body; the surfaces of the guide columns are connected with uniformly arranged moving plates in a sliding manner; an upper die is fixedly connected to the bottom surface of the moving plate; the top surface of the moving plate is fixedly connected with a lower die correspondingly; the side surface of the machine body is fixedly connected with a power box; the side surface of the power box is fixedly connected with a motor; the interior of the power box is rotatably connected with a rotating column, and the rotating column is fixedly connected with an output shaft of the motor; the surface of the rotating column is fixedly connected with gears which are uniformly arranged, and the diameters of the gears are different; toothed plates are meshed and connected to the surfaces of the gears; the surfaces of the toothed plates are fixedly connected with connecting plates, and the connecting plates are fixedly connected with corresponding moving plates; when in work, when producing rubber products, the forming process of the rubber products forms a cavity structure through the matching between a group of upper dies and lower dies, thereby realizing rubber forming, but in the prior art, because the area of the turnout rubber base plate is larger, the turnout rubber base plate is difficult to be in a plane distribution state, a one-die multi-cavity design is carried out, the finished product of the base plate is inconvenient to take, and a worker needs to stretch into the equipment because the inside of the forming die is higher, the worker needs to bear higher temperature in the process of deeper taking into the forming die, even scald accidents are easy to occur, and when stretching into the inside of the forming die, the danger of production is higher, through the forming die adopted in the forming process, through the three-dimensional combined structure of the forming die, rubber raw materials are injected between the upper dies and the lower dies, the motor is started, the motor rotates to drive the rotating column to rotate, the rotating column drives the gear to rotate, the gear drives the corresponding toothed plate to move up and down, the toothed plate drives the moving plate to move up and down through the connecting plate, the moving plate further drives the corresponding upper die and the lower die to move, rubber forming production in a three-dimensional combination state is achieved, and the distances between the upper die and the lower die in different positions are kept stably changed through progressive increase design of multiplying different gear diameters in sequence.

Preferably, the top surface of the moving plate at the topmost position is fixedly connected with an air bag, and the top of the air bag is fixedly connected with the top of the machine body; the top surface of the air bag is provided with an air inlet; the inside of the air inlet hole is fixedly connected with a one-way valve; the bottom surface of the moving plate is fixedly connected with a spray head, and the spray head is unidirectionally connected with the air bag through a pipeline; the during operation, through setting up gasbag and shower nozzle, when the movable plate that is located the top position moves, the movable plate can extrude the gasbag for the inside gas of gasbag blows through the shower nozzle on movable plate surface, realizes the backing plate body after the shaping, reduces the inside temperature of backing plate body and forming die, and then when the staff took the backing plate body, can effectual reduction to staff's scald risk.

Preferably, the surfaces of the moving plate, the upper die and the lower die are provided with uniformly distributed connecting holes together, and the connecting holes can be communicated with adjacent die cavities up and down so that the die cavities are connected into an integral structure; the during operation, through seting up even hole, make each die cavity structure intercommunication of three-dimensional combination through even hole, and then the backing plate body after the shaping is the overall state, the movable plate drives to correspond when keeping away from the motion between mould and the lower mould, the backing plate body can receive pulling of even strip of junction, make the backing plate body keep corresponding the motion trend of going up mould and lower mould intermediate position, the mould and lower mould have been gone up in the correspondence of having promoted peeling off of backing plate body, and because even strip size is less, receive great pulling force and be automatic fracture, the staff of being convenient for takes the backing plate body that has peeled off.

Preferably, the opening parts of the connecting holes are provided with first sliding chutes, and the first sliding chutes are connected with an air source through pipelines; the inner parts of the first sliding grooves are connected with cutting knives in a sliding manner; a first spring is fixedly connected between the cutting knife and the bottom of the groove corresponding to the first sliding groove; the during operation, through setting up disconnected cutter, because the simple even strip mode of tearing between the backing plate body apart, realize separating different backing plate bodies, the breaking point of even strip is unstable, and the fracture cross-section is comparatively not the parallel and level, still need a large amount of pruning in later stage, through controlling first spout intercommunication air supply, make disconnected cutter derive and correspond first spout, disconnected cutter and then can carry out effective disconnected cutting to even strip between the backing plate body, and disconnected cutting point position is close to the root position of even strip, and then need not and then secondary pruning, and the production efficiency is improved, the stability of product quality has also been guaranteed simultaneously.

Preferably, the side surfaces of the opposite sides of the upper die and the lower die, which are close to the die cavity, are provided with second sliding chutes; the insides of the second sliding grooves are connected with pressing blocks in a sliding manner; a second spring is fixedly connected between the pressing block and the groove bottom corresponding to the second sliding groove; the during operation, through setting up the briquetting, drive to correspond when the movable plate and go up the mould and the lower mould motion initial stage of keeping away from each other, under the elastic force state of second spring, the briquetting remains throughout to compress tightly the state, realizes keeping sticising the state to the flash piece of backing plate body side die joint position for automatic fracture separation between backing plate body and the peripheral flash piece realizes carrying out automatic processing to the flash of shaping body, reduces the cost of later stage retreatment.

Preferably, the side faces of the opposite sides of the upper die and the lower die, which are close to the second sliding groove, are provided with grooves; the inner parts of the grooves are all connected with a shaped block in a sliding way, and the shaped block and the corresponding pressing block are all fixedly connected; the during operation, through setting up the shape piece, because the difference of mould machining precision and pressurize pressure, can make the volume of flash also different, it is stable in order to guarantee the flash, reduce the split of flash and the flash of being convenient for is peeled off, and the later stage of being convenient for is to the clearance of the inside flash of forming die, through the shape piece, make the surperficial outstanding spacing post of evenly arranging of flash piece, spacing post can carry on spacingly to the flash, when carrying out separation treatment to flash piece and backing plate body, can play limiting displacement, make fracture isolated position more stable, simultaneously under the spring action of second spring, can make briquetting and the equal synchronous motion of shape piece, and the final ejecting groove of shape piece, realize that the spacing post in flash piece surface all peels off forming die, be convenient for to the clearance of flash.

Preferably, the inside of each connecting hole is provided with a third sliding chute, and the third sliding chutes are connected with an air source through pipelines; limiting blocks are connected inside the third sliding grooves in a sliding mode; the side surface of one side of the limiting block corresponding to the inside of the corresponding connecting hole is designed into a convex surface knot; a third spring is fixedly connected between the limiting block and the groove bottom corresponding to the third sliding groove; during operation, through setting up the stopper, through the inside to the third spout pressurizing for the stopper is ejecting to correspond the third spout, and when rubber molding, the stopper can be so that even middle part position forms the concave surface structure, and then can even the upper and lower direction uniform deformation of strip, can not appear the dislocation problem, further promotes the backing plate body and keeps lieing in mould and lower mould middle part position, improves the automatic proportion of peeling off of backing plate body.

Preferably, the side faces of the limiting blocks, corresponding to the bottoms of the limiting grooves, on one side are provided with pressing grooves; the bottom of each third sliding groove is fixedly connected with a top block, and the top blocks are connected inside the corresponding pressing grooves in a sliding mode; guide holes are formed in the surfaces of the limiting blocks; the inner parts of the guide holes are all connected with cutting blocks in a sliding manner; elastic pieces are fixedly connected between the cutting blocks and the inner surfaces of the corresponding limiting blocks; the during operation, through setting up the kicking block, when the inside of third spout stops leading-in atmospheric pressure, under the pulling force effect of third spring, income third spout in the spacing block, the kicking block can make the atmospheric pressure increase that corresponds the inside of stopper indent simultaneously, when the stopper is original, the atmospheric pressure of indent inside can make the direct ejecting guide hole of stripping and slicing, realizes cutting absolutely to the middle part position of even strip, and the later stage of being convenient for will be even the strip and pull out and correspond even hole.

Preferably, the surface of the limiting block is provided with air guide holes at positions close to the cutting block, the air guide holes are communicated with the inner parts of the corresponding pressure grooves in a one-way mode, and the pressure grooves are communicated with the outside atmosphere in a one-way mode; the surface of the cutting block is fixedly connected with a control sheet, and the edge of the control sheet is designed into a curled structure; the surface of the control sheet is fixedly connected with a pressing bag at the position of the curling structure, and the pressing bag is communicated with one side space of the air guide hole; the surface of the limiting block is provided with an air guide groove at a position close to the control sheet; the surface of the limiting block is fixedly connected with a baffle plate at the edge position close to the control sheet; the surface of the baffle is provided with a through hole; when the device works, by arranging the gas guide holes, when the internal gas pressure of the pressure groove is increased, part of gas can be guided out through the gas guide holes on the surface of the limiting block, when the gas is guided into the middle position of the connecting hole, the internal gas pressure of the connecting hole can be increased, further the gas can effectively promote the continuous strip after being cut off to be guided out from the upper part and the lower part, so that a worker can conveniently remove the continuous strip, simultaneously, when the cutting block moves, the control piece can be extruded, the control piece in a curling state is stretched around, in an initial state, the gas guide grooves are positioned at one side position of the control piece, along with the stretching of the control piece, the gas guide grooves are finally positioned at two side positions of the control piece, at the moment, the gas guide grooves play a role in conduction, compressed gas can be guided into the connecting hole position through the gas guide grooves in a large amount, therefore, the gas can effectively press the cutting block under the initial state, the full cutting of the connecting strip is ensured, the control piece is extruded by the baffle plate, the edge of the control piece is continuously curled, and then can extrude the pressure bag this moment, the inside gas of pressure bag can be derived fast, further promotes gaseous exporting through the intercommunication, realizes the abundant clearance to even strip.

The invention has the following advantages:

1. according to the oil-resistant turnout rubber base plate, through the integral design among the base plate bodies, a combined type mould can be newly developed in the process of designing a forming mould, the base plate bodies in a plurality of connection states can be produced at one time through the three-dimensional combination of the upper moulds and the lower moulds, then the base plate bodies in the connection states are cut, the rubber base plate finished product in an independent state is obtained, and the production efficiency is greatly improved.

2. According to the oil-resistant turnout rubber base plate forming process, the three-dimensional synchronous forming production of the base plate body is effectively realized through the forming die used in the forming process, due to the three-dimensional combined structure, the production efficiency is greatly improved, meanwhile, the base plate body is convenient for workers to take, the workers are prevented from stretching into the forming die, the production safety of the workers is ensured, meanwhile, the high-temperature roasting of the workers can be reduced, and the working comfort level is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of a rubber packing of the present invention;

FIG. 2 is a perspective view of a forming die used in the present invention;

FIG. 3 is a front view of a forming die used in the present invention;

FIG. 4 is a schematic structural view of an upper die and a lower die of a molding die used in the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is an enlarged partial view taken at B in FIG. 4;

FIG. 7 is an enlarged partial view at C of FIG. 4;

FIG. 8 is an enlarged partial view taken at D in FIG. 7;

FIG. 9 is a process flow diagram of the present invention.

In the figure: the cushion plate comprises a cushion plate body 1, a connecting strip 2, an overflow block 3, a limiting column 4, a machine body 5, a motor 6, an upper die 7, a lower die 8, a guide column 9, a power box 10, a rotating column 11, a gear 12, a toothed plate 13, a connecting plate 14, an air bag 15, an air inlet 16, a spray head 17, a connecting hole 18, a cutting knife 19, a first spring 20, a pressing block 21, a second spring 22, a block 23, a limiting block 24, a third spring 25, a top block 26, a cutting block 27, an elastic sheet 28, an air guide hole 29, a moving plate 30, a control sheet 31, an air guide groove 32, a baffle 33 and a pressing bag 34.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An oil-resistant turnout rubber base plate comprises a base plate body 1 and a connecting strip 2; the outline of the base plate body 1 is designed into a cuboid structure; the surface of the base plate body 1 is provided with anti-skid grooves which are uniformly distributed; the base plate comprises base plate bodies 1, connecting strips 2 which are uniformly distributed are connected among the base plate bodies 1, and the connecting strips 2 are located at the bottom positions of anti-skidding grooves in the surfaces of the base plate bodies 1; the side surface of the base plate body 1 is provided with overflow blocks 3 at parting line positions; the surfaces of the overflow blocks 3 are fixedly connected with limit posts 4 which are uniformly arranged; through overall design between a plurality of backing plate bodies 1, at the in-process that carries out the forming die design, can newly develop modular mold, through a plurality of mould 7 and the 8 three-dimensional combinations of lower mould, once can produce the backing plate body 1 of a plurality of connection states, cut apart through the backing plate body 1 to connection state again, this rubber backing plate finished product of independent state is obtained, production efficiency obtains improving by a wide margin.

s2: the motor 6 in the forming die rotates, and the motor 6 drives the moving plate 30 uniformly arranged in the forming die to move, so that the upper die 7 and the lower die 8 move correspondingly, the temperature, the pressure and the time are controlled, and the rubber is formed;

s3: the molded rubber base plate is manually taken out, the appearance of the base plate is observed, manual trimming is needed when the burring phenomenon occurs, and a finished base plate is obtained after trimming is completed.

Example one

Referring to fig. 2-6, the forming mold used in S1 includes a body 5, a motor 6, an upper mold 7 and a lower mold 8; a working groove is formed in the front end face of the machine body 5; a guide post 9 is fixedly connected inside the working groove of the machine body 5; the surface of the guide post 9 is connected with a moving plate 30 which is uniformly arranged in a sliding way; the bottom surface of the moving plate 30 is fixedly connected with an upper die 7; the top surface of the moving plate 30 is fixedly connected with a lower die 8 correspondingly; a power box 10 is fixedly connected to the side surface of the machine body 5; the side surface of the power box 10 is fixedly connected with a motor 6; a rotating column 11 is rotatably connected inside the power box 10, and the rotating column 11 is fixedly connected with an output shaft of the motor 6; the surface of the rotating column 11 is fixedly connected with gears 12 which are uniformly arranged, and the diameters of the gears 12 are different; toothed plates 13 are meshed and connected to the surfaces of the gears 12; the surfaces of the toothed plates 13 are fixedly connected with connecting plates 14, and the connecting plates 14 are fixedly connected with corresponding moving plates 30; when the oil-resistant turnout rubber base plate forming process is used, when a rubber product is produced, a cavity structure is formed by matching a group of upper dies 7 and lower dies 8, and then rubber forming is realized, but in the prior art, because the area of the turnout rubber base plate is large, the turnout rubber base plate is difficult to be in a plane distribution state, a one-die multi-cavity design is carried out, the finished product of the base plate is inconvenient to take, and a worker needs to stretch into the equipment, because the inside of the forming die is high, the worker needs to bear high temperature in the process of deeper taking in the forming die, even scald accidents are easy to occur, and when the turnout rubber base plate stretches into the inside of the forming die, the production danger is high, and through the forming die adopted in the process, through the three-dimensional combined structure of the forming die, the rubber raw material is injected between the groups of the upper dies 7 and the lower dies 8, then the motor 6 is started, the rotation of the motor 6 drives the rotation column 11 to rotate, the rotation column 11 drives the gear 12 to rotate, the gear 12 drives the corresponding toothed plate 13 to move up and down, the toothed plate 13 drives the moving plate 30 to move up and down through the connecting plate 14, the moving plate 30 further drives the corresponding upper die 7 and the lower die 8 to move, and the rubber molding production in a three-dimensional combination state is realized, the distance between the upper die 7 and the lower die 8 at different positions keeps stable change by sequentially increasing the diameters of different gears 12 by times, the three-dimensional synchronous forming production of the base plate body 1 is effectively realized by the invention, due to the three-dimensional combined structure, production efficiency is greatly improved, meanwhile, workers can conveniently take the combined structure, the workers are prevented from stretching into the forming die, production safety of the workers is guaranteed, meanwhile, high-temperature roasting of the workers can be reduced, and working comfort is improved.

The top surface of the moving plate 30 at the topmost position is fixedly connected with an air bag 15, and the top of the air bag 15 is fixedly connected with the top of the machine body 5; the top surface of the air bag 15 is provided with an air inlet 16; a one-way valve is fixedly connected inside the air inlet hole 16; the bottom surface of the moving plate 30 is fixedly connected with a spray head 17, and the spray head 17 is unidirectionally connected with the air bag 15 through a pipeline; the during operation, through setting up gasbag 15 and shower nozzle 17, when being located the removal plate 30 motion of top position, removal plate 30 can extrude gasbag 15 for the inside gaseous of gasbag 15 passes through the inside blowout of shower nozzle 17 on removal plate 30 surface, realizes blowing backing plate body 1 after the shaping, reduces the inside temperature of backing plate body 1 and forming die, and then when the staff took backing plate body 1, can effectual reduction to staff's scald risk.

The surfaces of the moving plate 30, the upper die 7 and the lower die 8 are provided with connecting holes 18 which are uniformly distributed, and the connecting holes 18 can be communicated with adjacent die cavities up and down, so that the die cavities are connected into an integral structure; the during operation, through seting up even hole 18, make each die cavity structure intercommunication of three-dimensional combination through even hole 18, and then backing plate body 1 after the shaping is the overall state, movable plate 30 drives and corresponds when keeping away from the motion between mould 7 and the lower mould 8, backing plate body 1 can receive pulling of even strip 2 of junction, make backing plate body 1 keep corresponding the motion trend of going up

mould

7 and 8 intermediate positions of lower mould, the mould 7 and lower mould 8 are gone up in the correspondence of having promoted peeling off of backing plate body 1, and because even strip 2 size is less, receive great pulling force and be automatic fracture, the staff of being convenient for takes backing plate body 1 that has peeled off.

The opening parts of the connecting holes 18 are provided with first sliding chutes, and the first sliding chutes are connected with an air source through pipelines; the inside of the first sliding chute is connected with a cutting knife 19 in a sliding way; a first spring 20 is fixedly connected between the cutting knife 19 and the bottom of the corresponding first sliding groove; the during operation, through setting up disconnected cutter 19, because the simple 2 modes of even strip through tearing between the backing plate body 1 apart, realize separating different backing plate bodies 1, the breaking point of even strip 2 is unstable, and the fracture cross-section is comparatively not the parallel and level, still need a large amount of pruning in later stage, communicate the air supply through controlling first spout, make disconnected cutter 19 derive and correspond first spout, disconnected cutter 19 and then can effectively cut off even strip 2 between the backing plate body 1, and disconnected cutting point position is close to the root position of even strip 2, and then need not and then the secondary is pruned, and the production efficiency is improved, and the stability of product quality is also guaranteed simultaneously.

The side surfaces of the opposite sides of the upper die 7 and the lower die 8, which are close to the die cavity, are provided with second sliding chutes; the insides of the second sliding grooves are connected with pressing blocks 21 in a sliding manner; a second spring 22 is fixedly connected between the pressing block 21 and the groove bottom corresponding to the second sliding groove; the during operation, through setting up briquetting 21, drive to correspond when the movable plate 30 and go up mould 7 and lower mould 8 and keep away from the motion initial stage each other, under the elastic force state of second spring 22, briquetting 21 remains the state of compressing tightly all the time, realizes keeping sticising the state to flash block 3 of backing plate body 1 side die joint position for automatic fracture separation between backing plate body 1 and the peripheral flash block 3, realizes carrying out automatic processing to the flash of shaping body, reduces the cost of post reprocessing.

Grooves are formed in the side face of one side, opposite to the upper die 7 and the lower die 8, close to the second sliding groove; the inner parts of the grooves are all connected with a block 23 in a sliding manner, and the block 23 is fixedly connected with the corresponding pressing block 21; during operation, through setting up the shape piece 23, because the difference of mould machining precision and pressurize pressure, can make the volume of flash also different, it is stable in order to guarantee the flash, reduce the split of flash and be convenient for the flash to peel off, and be convenient for the later stage to the clearance of the inside flash of forming die, through shape piece 23, make the surperficial outstanding spacing post 4 of evenly arranging of flash piece 3, spacing post 4 can carry on spacingly to the flash, when carrying out separation treatment to flash piece 3 and backing plate body 1, can play limiting displacement, make fracture isolated position more stable, simultaneously under the spring action of second spring 22, the briquetting can make 21 and the equal synchronous motion of shape piece 23, and the final ejecting groove of shape piece 23, realize that 3 surperficial spacing posts 4 of flash piece all peel off forming die, be convenient for the clearance to the flash.

Example two

Referring to fig. 7 and 8, third chutes are respectively formed in the connecting holes 18, and the third chutes are respectively connected to an air source through a pipeline; limiting blocks 24 are connected inside the third sliding grooves in a sliding mode; the side surface of the limiting block 24 corresponding to the inner part of the corresponding connecting hole 18 is designed into a convex surface knot; a third spring 25 is fixedly connected between the limiting block 24 and the groove bottom corresponding to the third sliding groove; during operation, through setting up stopper 24, through the inside pressurization to the third spout for stopper 24 is ejecting to correspond the third spout, and when rubber molding, stopper 24 can be so that even 2 middle part positions form the concave surface structure, and then can even 2 can upper and lower direction uniform deformation, the dislocation problem can not appear, further promotes backing plate body 1 to keep being located mould 7 and lower mould 8 middle part position, improves the proportion that backing plate body 1 was automatic to be peeled off.

The side faces of the limiting blocks 24, which are opposite to the bottoms of the corresponding limiting grooves, are provided with pressing grooves; the bottom of each third sliding groove is fixedly connected with a top block 26, and the top blocks 26 are connected to the inner parts of the corresponding pressing grooves in a sliding mode; guide holes are formed in the surfaces of the limiting blocks 24; the inner parts of the guide holes are all connected with cutting blocks 27 in a sliding way; elastic pieces 28 are fixedly connected between the cutting blocks 27 and the inner surfaces of the corresponding limiting blocks 24; the during operation, through setting up kicking block 26, when the inside of third spout stops leading-in atmospheric pressure, under the pulling force effect of third spring 25, income third spout in the stopper 24, kicking block 26 can make the inside atmospheric pressure increase of stopper 24 indent that corresponds simultaneously, stopper 24 is when original, and the inside atmospheric pressure of indent can make the direct ejecting guide hole of stripping 27, realizes carrying out the truncation to the middle part position of even strip 2, and the later stage of being convenient for will be even strip 2 and pull out the correspondence and link hole 18.

Air guide holes 29 are formed in the surfaces of the limiting blocks 24 close to the cutting blocks 27, the air guide holes 29 are communicated with the interiors of the corresponding pressure grooves in a one-way mode, and the pressure grooves are communicated with the outside atmosphere in a one-way mode; the surface of the cutting block 27 is fixedly connected with a control sheet 31, and the edge of the control sheet 31 is designed into a curled structure; the surface of the control sheet 31 is fixedly connected with a pressing bag 34 at the position of the curling structure, and the pressing bag 34 is communicated with one side space of the air vent 29; an air guide groove 32 is formed on the surface of the limiting block 24 close to the control sheet 31; the surface of the limiting block 24 is fixedly connected with a baffle 33 at the edge position close to the control sheet 31; the surface of the baffle 33 is provided with a through hole; during operation, by arranging the gas guide holes 29, when the internal gas pressure of the pressure groove is increased, part of gas can be guided out through the gas guide holes 29 on the surface of the limiting block 24, and when the gas is guided into the middle position of the connecting hole 18, the internal gas pressure of the connecting hole 18 can be increased, so that the gas can effectively promote the cut-off connecting strip 2 to be guided out from the upper part and the lower part of the connecting hole 18, a worker can conveniently clear the connecting strip 2, and simultaneously, when the cutting block 27 moves, the control piece 31 can be extruded to ensure that the control piece 31 in a curled state extends all around, in an initial state, the gas guide groove 32 is positioned at one side position of the control piece 31, along with the extension of the control piece 31, the final gas guide grooves 32 are positioned at two sides of the control piece 31, at the moment, the gas guide grooves 32 play a role in conduction, compressed gas can be guided into the connecting hole 18 through the gas guide grooves 32 in a large amount, therefore, in the initial state, the gas can effectively push the cutting block 27, and ensure the full cut-off of the connecting strip 2, receive the extruded control piece 31 of baffle 33 simultaneously, the edge of control piece 31 is continuously curled, and then can extrude pressure bag 34 this moment, and the inside gas of pressure bag 34 can be derived fast, further promotes gaseous exporting through intercommunication 18, realizes the abundant clearance to even 2.

According to the working principle, through the three-dimensional combined structure of the forming die, rubber raw materials are injected between a plurality of groups of upper dies 7 and lower dies 8, then the motor 6 is started, the motor 6 rotates to drive the rotating column 11 to rotate, the rotating column 11 drives the gears 12 to rotate, the gears 12 drive the corresponding toothed plates 13 to move up and down, the toothed plates 13 drive the moving plates 30 to move up and down through the connecting plates 14, the moving plates 30 further drive the corresponding upper dies 7 and lower dies 8 to move, rubber forming production in a three-dimensional combined state is achieved, and the distances between the upper dies 7 and the lower dies 8 at different positions are kept stable through sequential multiple-time increasing design of the diameters of the different gears 12; by arranging the air bag 15 and the spray head 17, when the movable plate 30 at the topmost position moves, the movable plate 30 can extrude the air bag 15, so that gas in the air bag 15 is sprayed out through the spray head 17 on the surface of the movable plate 30, the formed cushion plate body 1 is blown, the temperature in the cushion plate body 1 and a forming mold is reduced, and the scalding risk to workers can be effectively reduced when the workers take the cushion plate body 1; through the connection holes 18, the die cavity structures of the three-dimensional combination are communicated through the connection holes 18, so that the formed base plate body 1 is in an integral state, when the moving plate 30 drives the corresponding upper die 7 and the corresponding lower die 8 to move away from each other, the base plate body 1 can be pulled by the connection strip 2 at the joint, the base plate body 1 is kept in the movement trend of the middle position of the corresponding upper die 7 and the corresponding lower die 8, the stripping of the base plate body 1 is promoted to correspond to the upper die 7 and the lower die 8, and the base plate body 1 can automatically break under the action of large tensile force due to the fact that the connection strip 2 is small in size, and a worker can conveniently take the stripped base plate body 1; by arranging the breaking cutter 19, because the different base plate bodies 1 are separated only by breaking the connecting strips 2 between the base plate bodies 1, the breaking points of the connecting strips 2 are unstable, the breaking sections are not parallel and level, and a large amount of later trimming is still needed, the breaking cutter 19 is led out of the corresponding first chute by controlling the first chute to be communicated with an air source, the breaking cutter 19 can further effectively break the connecting strips 2 between the base plate bodies 1, and the positions of the breaking points are close to the root positions of the connecting strips 2, so that the secondary trimming is not needed, the production efficiency is improved, and meanwhile, the stability of the product quality is also ensured; by arranging the press block 21, when the movable plate 30 drives the corresponding upper die 7 and the corresponding lower die 8 to move away from each other in the initial stage, the press block 21 is kept in a pressing state all the time under the elastic force state of the second spring 22, so that the flash blocks 3 at the parting surface position of the side surface of the base plate body 1 are kept in a pressing state, the base plate body 1 and the peripheral flash blocks 3 are automatically fractured and separated, the flash of the molded body is automatically processed, and the cost of post-processing is reduced; by arranging the block 23, the amount of flash is different due to the difference of the processing precision and the pressure maintaining pressure of the mold, in order to ensure the stability of flash, reduce the splitting of flash and facilitate the stripping of flash, and facilitate the cleaning of flash inside the forming mold in the later period, the block 23 is used for enabling the surface of the flash block 3 to protrude out of the limit columns 4 which are uniformly arranged, the limit columns 4 can limit the flash, when the flash block 3 is separated from the cushion plate body 1, the limit function can be realized, the fracture separation position is more stable, meanwhile, under the elastic action of the second spring 22, the press block 21 and the block 23 can synchronously move, and the block 23 finally pushes out of the groove, so that the forming mold can be stripped from the limit columns 4 on the surface of the flash block 3, and the cleaning of flash is facilitated; by arranging the limiting block 24, the limiting block 24 is pushed out of the corresponding third sliding groove by pressurizing the inside of the third sliding groove, and when rubber is molded, the limiting block 24 can enable the middle position of the connecting strip 2 to form a concave structure, so that the connecting strip 2 can be uniformly deformed in the vertical direction, the dislocation problem is avoided, the base plate body 1 is further promoted to be kept at the middle positions of the upper die 7 and the lower die 8, and the automatic stripping proportion of the base plate body 1 is improved; by arranging the top block 26, when the interior of the third sliding groove stops leading in air pressure, under the action of the pulling force of the third spring 25, the limiting block 24 is internally retracted into the third sliding groove, meanwhile, the top block 26 can increase the air pressure in the pressing groove corresponding to the limiting block 24, and when the limiting block 24 is initially internally received, the air pressure in the pressing groove can enable the cutting block 27 to directly eject out the guide hole, so that the middle position of the connecting strip 2 is cut off, and the connecting strip 2 is conveniently pulled out of the corresponding connecting hole 18 in the later period; through the arrangement of the air guide holes 29, when the internal air pressure of the indent increases, part of the air can be guided out through the air guide holes 29 on the surface of the limiting block 24, and the air is guided into the middle position of the connecting hole 18, so that the internal air pressure of the connecting hole 18 increases, further, the air can effectively promote the cut-off connecting strip 2 to be guided out from the upper part and the lower part of the connecting hole 18, so that a worker can conveniently clear the connecting strip 2, meanwhile, when the cutting block 27 moves, the control piece 31 can be extruded, the control piece 31 in a curling state is stretched around, in an initial state, the air guide grooves 32 are positioned at one side position of the control piece 31, along with the stretching of the control piece 31, the air guide grooves 32 are finally positioned at two side positions of the control piece 31, at the moment, the air guide grooves 32 play a role in conduction, compressed air can be guided into the positions of the connecting holes 18 through the air guide grooves 32 in a large amount, therefore, in the initial state, the air can effectively push the cutting block 27, and ensure the full cutting of the connecting strip 2, receive the extruded control piece 31 of baffle 33 simultaneously, the edge of control piece 31 is continuously curled, and then can extrude pressure bag 34 this moment, and the inside gas of pressure bag 34 can be derived fast, further promotes gaseous exporting through intercommunication 18, realizes the abundant clearance to even 2.

The foregoing shows and describes the general principles, essential 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. An oil resistance switch rubber tie plate which is characterized in that: comprises a base plate body (1) and a connecting strip (2); the outline of the base plate body (1) is designed into a cuboid structure; the surface of the base plate body (1) is provided with anti-slip grooves which are uniformly distributed; the base plate is characterized in that connecting strips (2) which are uniformly distributed are connected between the base plate bodies (1), and the connecting strips (2) are all positioned at the bottom positions of the anti-skidding grooves on the surfaces of the base plate bodies (1); the side surface of the base plate body (1) is provided with overflow blocks (3) at parting line positions; the surfaces of the overflow blocks (3) are fixedly connected with limit posts (4) which are uniformly arranged.

2. An oil-resistant turnout rubber base plate forming process is characterized in that: the forming process is suitable for the oil-resistant turnout rubber base plate in claim 1, and comprises the following forming steps:

s1: firstly, plasticating and mixing raw materials to obtain an oil-resistant rubber raw material, then quantitatively adding the oil-resistant rubber raw material into a forming die, and injecting the oil-resistant rubber raw material into a die core of the forming die through a sizing device of the forming die;

s2: the motor (6) in the forming die rotates, and the motor (6) can drive the moving plate (30) uniformly arranged in the forming die to move, so that the upper die (7) and the lower die (8) move correspondingly, and the temperature, the pressure and the time are controlled well, so that the rubber is formed;

the forming die used in the S1 comprises a machine body (5), a motor (6), an upper die (7) and a lower die (8); the front end face of the machine body (5) is provided with a working groove; a guide post (9) is fixedly connected inside the working groove of the machine body (5); the surface of the guide column (9) is connected with moving plates (30) which are uniformly arranged in a sliding manner; an upper die (7) is fixedly connected to the bottom surface of the moving plate (30); the top surface of the moving plate (30) is correspondingly and fixedly connected with a lower die (8); the side surface of the machine body (5) is fixedly connected with a power box (10); the side surface of the power box (10) is fixedly connected with a motor (6); a rotating column (11) is rotatably connected inside the power box (10), and the rotating column (11) is fixedly connected with an output shaft of the motor (6); the surface of the rotating column (11) is fixedly connected with gears (12) which are uniformly arranged, and the diameters of the gears (12) are different; toothed plates (13) are meshed and connected to the surfaces of the gears (12); the surfaces of the toothed plates (13) are fixedly connected with connecting plates (14), and the connecting plates (14) are fixedly connected with the corresponding moving plates (30).

3. The forming process of the oil-resistant turnout rubber base plate according to claim 2, characterized in that: the top surface of the moving plate (30) at the topmost position is fixedly connected with an air bag (15), and the top of the air bag (15) is fixedly connected with the top of the machine body (5); the top surface of the air bag (15) is provided with an air inlet (16); the inside of the air inlet hole (16) is fixedly connected with a one-way valve; the bottom surface of the moving plate (30) is fixedly connected with a spray head (17), and the spray head (17) is unidirectionally connected with the air bag (15) through a pipeline.

4. The forming process of the oil-resistant turnout rubber base plate according to claim 3, characterized in that: the surfaces of the moving plate (30), the upper die (7) and the lower die (8) are provided with connecting holes (18) which are uniformly distributed, and the connecting holes (18) can be communicated with adjacent die cavities up and down, so that the die cavities are connected into an integral structure.

5. The forming process of the oil-resistant turnout rubber base plate according to claim 4, characterized in that: the opening parts of the connecting holes (18) are provided with first sliding chutes, and the first sliding chutes are connected with an air source through pipelines; the inner parts of the first sliding chutes are all connected with cutting knives (19) in a sliding manner; and a first spring (20) is fixedly connected between the cutting knife (19) and the bottom of the groove corresponding to the first sliding groove.

6. The forming process of the oil-resistant turnout rubber base plate according to claim 5, characterized in that: the side surfaces of the opposite sides of the upper die (7) and the lower die (8) close to the die cavity are provided with second sliding chutes; the insides of the second sliding grooves are connected with pressing blocks (21) in a sliding manner; and a second spring (22) is fixedly connected between the pressing block (21) and the groove bottom corresponding to the second sliding groove.

7. The forming process of the oil-resistant turnout rubber base plate according to claim 6, characterized in that: grooves are formed in the side faces, close to the second sliding groove, of the opposite sides of the upper die (7) and the lower die (8); the inside in groove all sliding connection have a shape piece (23), and all fixed connection between shape piece (23) and corresponding briquetting (21).

8. The forming process of the oil-resistant turnout rubber base plate according to claim 7, characterized in that: third sliding grooves are formed in the connecting holes (18) and are connected with an air source through pipelines; the inner parts of the third sliding grooves are all connected with limiting blocks (24) in a sliding manner; the side surface of the limiting block (24) corresponding to one side inside the corresponding connecting hole (18) is designed into a convex surface knot; and third springs (25) are fixedly connected between the limiting blocks (24) and the bottoms of the grooves corresponding to the third sliding grooves.

9. The process for molding the oil-resistant turnout rubber base plate according to claim 8, wherein the molding process comprises the following steps: the side faces of the limiting blocks (24) corresponding to the bottoms of the limiting grooves are provided with press grooves; the bottom of each third sliding groove is fixedly connected with a top block (26), and the top blocks (26) are connected to the inner parts of the corresponding pressure grooves in a sliding mode; guide holes are formed in the surfaces of the limiting blocks (24); the inner parts of the guide holes are all connected with cutting blocks (27) in a sliding way; elastic pieces (28) are fixedly connected between the cutting blocks (27) and the inner surfaces of the corresponding limiting blocks (24).

10. The process for molding the oil-resistant turnout rubber base plate according to claim 9, wherein the molding process comprises the following steps: air guide holes (29) are formed in the positions, close to the cutting blocks (27), of the surfaces of the limiting blocks (24), the air guide holes (29) are communicated with the interiors of the corresponding pressure grooves in a one-way mode, and the pressure grooves are communicated with the outside atmosphere in a one-way mode; the surface of the cutting block (27) is fixedly connected with a control sheet (31), and the edge of the control sheet (31) is designed into a curled structure; the surface of the control sheet (31) is fixedly connected with a pressing bag (34) at the position of the curling structure, and the pressing bag (34) is communicated with one side space of the air vent (29); an air guide groove (32) is formed in the surface of the limiting block (24) close to the control sheet (31); the surface of the limiting block (24) is fixedly connected with a baffle (33) at the edge position close to the control sheet (31); the surface of the baffle (33) is provided with a through hole.