CN110253809B

CN110253809B - Porous type plastic sealing washer production facility

Info

Publication number: CN110253809B
Application number: CN201910580381.8A
Authority: CN
Inventors: 乐康
Original assignee: Xuzhou Jinggong Seal Science & Technology Co ltd
Current assignee: Xinyi Xinnan Environmental Protection Industry Technology Research Institute Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-08-14
Anticipated expiration: 2039-06-28
Also published as: GB201917096D0; JP6841986B2; CN110253809A; JP2021008102A

Abstract

The invention relates to a production device of a porous plastic sealing ring, which comprises a machine body, wherein a base is arranged below the machine body, a connecting arm is fixedly connected between the base and the machine body, an installation cavity with an upward opening is arranged in the base, and a porous mold assembly which can be provided with a porous mold and can automatically demold by utilizing air pressure is arranged in the installation cavity; in addition, automatically, add the raw materials granule before the sealing washer production, it is accurate when adding the material, equipment degree of automation is high, and the gas in the reutilization gasbag carries out drawing of patterns to fashioned sealing washer simultaneously and handles, and the hand scald that causes when having avoided manual drawing of patterns is safe and reliable.

Description

Porous type plastic sealing washer production facility

Technical Field

The invention relates to the field of production of mechanical parts, in particular to a porous plastic sealing ring production device.

Background

As is known, when an instrument runs, each part inside the instrument often has a certain gap, lubricating oil inside the instrument is easy to leak or invade through the gap, and meanwhile, the gap can cause relative friction among the parts and reduce the service life of the machine, so that the instrument needs to be sealed by using a plastic sealing ring when each part is installed; most of the traditional sealing rings only have one hole site, and for parts which are complex and have tight transmission, the traditional sealing rings need to be installed on the parts after being manually ground by workers, and a porous plastic sealing ring needs to be produced to fill the market vacancy; in addition, the traditional plastic sealing ring production equipment has low automation degree, raw materials need to be added manually, the sealing ring and a die need to be demolded manually after the sealing ring is thermally formed, the operation is complex and tedious, and production accidents are easy to occur due to excessive manual operation; therefore, it is necessary to design a device for producing porous plastic sealing ring to solve the above problems.

Disclosure of Invention

The invention aims to solve the technical problem of providing a porous plastic sealing ring production device which can produce a porous plastic sealing ring, and is flexible and changeable, high in automation degree, safe and reliable.

The invention is realized by the following technical scheme.

The invention relates to a production device of a porous plastic sealing ring, which comprises a machine body, wherein a base is arranged below the machine body, and a connecting arm is fixedly connected between the base and the machine body;

an installation cavity with an upward opening is formed in the base, and a porous mold assembly capable of installing a porous mold and automatically demolding by utilizing air pressure is arranged in the installation cavity;

a first sliding cavity with a downward opening is arranged in the machine body, a first sliding block is arranged in the first sliding cavity in a sliding mode, a limiting groove with a downward opening is formed in the first sliding block, a second sliding block is arranged in the limiting groove in a sliding mode, a first spring is connected between the second sliding block and the top wall of the limiting groove, an upper die is fixedly arranged on the bottom surface of the second sliding block, and a quantitative feeding mechanism for quantitatively adding raw material particles into a porous die is arranged on the front side end wall of the second sliding block;

a gas injection extrusion mechanism for forming a sealing ring by extruding heated raw material particles by gas is arranged between the upper die and the second sliding block, the gas injection extrusion mechanism comprises the upper die, a cavity with a downward opening is arranged in the upper die, a gas bag is arranged in the cavity, and after the upper die slides downwards and is extruded, the gas bag starts to be inflated and extrudes the heated raw material particles;

and a lifting mechanism for driving the quantitative feeding mechanism and the gas injection extrusion mechanism to operate is arranged in the wall of the rear side end of the first sliding cavity.

Further, the porous mold component comprises an installation cavity, a heating module is fixedly arranged on the bottom wall of the installation cavity, a magnet plate can be installed in the installation cavity, a groove with an upward opening is formed in the magnet plate, and a metal lower mold can be adsorbed on the top surface of the magnet plate.

Furthermore, a forming cavity with an upward opening is arranged in the lower metal die, a through hole penetrating through the bottom wall of the forming cavity from top to bottom is formed in the bottom wall of the forming cavity, a hole site forming column extending into the through hole can be mounted on the groove, and a first through hole penetrating through the groove from left to right is formed between the through holes in a communicating mode.

Further, the gas injection extrusion mechanism comprises a second sliding block, the second sliding block and the upper die are internally provided with a sliding hole which penetrates through the cavity from top to bottom and is communicated with the cavity, the top wall of the cavity is fixedly provided with an air bag communicated with the sliding hole, a rack is arranged in the sliding hole in a sliding mode, the top end of the rack is fixedly provided with a limiting block, a second spring is connected between the limiting block and the top surface of the second sliding block, the right end wall of the sliding hole is fixedly provided with a switch which extends into the limiting groove, and the switch is electrically connected with the heating module.

Further, an air pump electrically connected with the switch is fixedly arranged on the front side end wall of the sliding hole, the rear end wall of the air pump is communicated with the sliding hole, a second through hole with a backward opening is formed in the sliding hole, an exhaust pipe is communicated between the second through hole and the first through hole, and an L-shaped through hole is formed in the rack.

Further, the quantitative feeding mechanism comprises the slide hole, a first transmission cavity is communicated with the right end wall of the slide hole, a second transmission cavity extending up and down is arranged in the front end wall of the first transmission cavity, a first rotating shaft is rotatably arranged between the second transmission cavity and the first transmission cavity, a gear meshed with the rack is fixedly arranged on the first rotating shaft in the first transmission cavity, a first disc is fixedly arranged on the first rotating shaft in the second transmission cavity, a second rotating shaft extending front and back is rotatably arranged in the first disc, a pawl is fixedly arranged on the second rotating shaft, and a third spring is connected between the pawl and the front end face of the first disc.

Further, go up the fixed block that is equipped with of mould top front side, be equipped with the ascending feeding chamber of opening in the fixed block, the raw material granule that forms the sealing washer can be added to the feeding chamber intracavity, the third through-hole that runs through about the cavity roof is equipped with, feeding chamber with the intercommunication is equipped with the feed inlet between the third through-hole, the feed inlet with it is equipped with the third pivot to rotate between the second transmission chamber, in the second transmission chamber the third pivot go up fixed be equipped with pawl meshed ratchet, in the feed inlet the third pivot is gone up to fix and is equipped with the second disc, the vertical symmetry is equipped with the outside material containing mouth of opening in the second disc.

Further, elevating system includes first slip chamber, first slip chamber rear end wall intercommunication is equipped with the second and slides the chamber, the second slide chamber diapire fixed be equipped with the motor of switch electricity federation, motor top power is connected with the screw rod, the second slides the intracavity slide be equipped with first slider fixed connection's third slider, be equipped with in the third slider with the internal thread of screw rod meshing.

The invention has the beneficial effects that: the equipment of the invention utilizes air pressure to enable the air bag to extrude heated raw material particles to form the sealing ring, and before the sealing ring is formed, the hole site forming columns can be manually and freely replaced to change the position and the number of hole sites, thus the equipment is flexible and changeable and has simple operation; in addition, automatically, add the raw materials granule before the sealing washer production, it is accurate when adding the material, equipment degree of automation is high, and the gas in the reutilization gasbag carries out drawing of patterns to fashioned sealing washer simultaneously and handles, and the hand scald that causes when having avoided manual drawing of patterns is safe and reliable.

Drawings

In order to more clearly illustrate the embodiments of the 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 invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a mechanical schematic of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of C in FIG. 1;

FIG. 3 is a schematic diagram of B-B of FIG. 1;

FIG. 4 is a schematic view of the structure A-A of FIG. 1;

fig. 5 is a left side view of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The production equipment for the porous plastic sealing ring, which is described in conjunction with the attached drawings 1-5, comprises a machine body 10, wherein a base 21 is arranged below the machine body 10, and a connecting arm 16 is fixedly connected between the base 21 and the machine body 10;

an installation cavity 24 with an upward opening is arranged in the base 21, and a porous mold assembly 90 capable of installing a porous mold and automatically demolding by utilizing air pressure is arranged in the installation cavity 24;

a first sliding cavity 11 with a downward opening is formed in the machine body 10, a first sliding block 12 is arranged in the first sliding cavity 11 in a sliding mode, a limiting groove 59 with a downward opening is formed in the first sliding block 12, a second sliding block 13 is arranged in the limiting groove 59 in a sliding mode, a first spring 60 is connected between the second sliding block 13 and the top wall of the limiting groove 59, an upper die 14 is fixedly arranged on the bottom surface of the second sliding block 13, and a quantitative feeding mechanism 91 for quantitatively adding raw material particles into a porous die is arranged on the front side end wall of the second sliding block 13;

a gas injection extruding mechanism 93 for extruding heated raw material particles by gas to form a sealing ring is arranged between the upper die 14 and the second sliding block 13, the gas injection extruding mechanism 93 comprises the upper die 14, a cavity 57 with a downward opening is arranged in the upper die 14, an air bag 15 is arranged in the cavity 57, and after the upper die 14 slides downwards and is extruded, the air bag 15 starts to be inflated and extruded by the heated raw material particles;

a lifting mechanism 92 for driving the quantitative charging mechanism and the gas injection extrusion mechanism to operate is arranged in the rear end wall of the first sliding cavity 11.

The porous mold assembly 90 comprises the installation cavity 24, the bottom wall of the installation cavity 24 is fixedly provided with the heating module 22, the magnet plate 23 can be installed in the installation cavity 24, the magnet plate 23 is provided with the groove 20 with the upward opening, and the top surface of the magnet plate 23 can be adsorbed with the lower metal mold 26.

A forming cavity 27 with an upward opening is arranged in the lower metal die 26, a through hole 19 penetrating up and down is arranged on the bottom wall of the forming cavity 27, a hole site forming column 17 extending into the through hole 19 can be installed on the groove 20, a first through hole 18 penetrating left and right is communicated between the through holes 19, the hole site forming column 17 is installed at a position of a hole required in the forming of a sealing ring, then the lower metal die 26 is adsorbed to the top surface of the magnet plate 23, at the moment, the hole site forming column 17 extends into the through hole 19, at the moment, the first through hole 18 and the through hole 19 are blocked, the sealing ring formed in the forming cavity 27 forms a hole site at the position of the hole site forming column 17, when the production of the sealing ring is completed, after the lower metal die 26 and the magnet plate 23 are separated from the adsorption, the hole site forming column 17 does not block the first through hole 18, the first through hole 18 blows air to the bottom of the molding cavity 27 through the through hole 19, and the sealing ring is demoulded.

The gas injection extrusion mechanism 93 comprises a second sliding block 13, the second sliding block 13 and an upper die 14 are internally provided with a sliding hole 31 which penetrates through and is communicated with the cavity 57 from top to bottom, the top wall of the cavity 57 is fixedly provided with an air bag 15 communicated with the sliding hole 31, a rack 30 is arranged in the sliding hole 31 in a sliding manner, the top end of the rack 30 is fixedly provided with a limiting block 28, the limiting block 28 and a second spring 29 are connected between the top surfaces of the second sliding block 13, the right end wall of the sliding hole 31 is fixedly provided with a switch 58 extending into the limiting groove 59, and the switch 58 is electrically connected with the heating module 22.

An air pump 56 electrically connected with the switch 58 is fixedly arranged on the front end wall of the slide hole 31, the rear end wall of the air pump 56 is communicated with the slide hole 31 and is provided with a second through hole 53 with a backward opening, an exhaust pipe 54 is communicated between the second through hole 53 and the first through hole 18, an L-shaped through hole 32 is arranged in the rack 30, when the upper die 14 and the lower metal die 26 extrude, the second slider 13 slides upwards in the limit groove 59 relative to the first slider 12, when the top wall of the limit groove 59 extrudes with the switch 58, the rack 30 blocks the exhaust pipe 54, the L-shaped through hole 32 is communicated with the air bag 15 and the air pump 56, the switch 58 energizes the air pump 56, namely the air pump 56 inflates the air bag 15, when the sealing ring is formed, the second slider 13 returns to the initial position, and the rack 30 does not block the exhaust pipe 54 any more, the gas in the airbag 15 enters the first through hole 18 through the exhaust pipe 54.

The quantitative feeding mechanism 91 comprises a sliding hole 31, a first transmission cavity 35 is communicated with the right end wall of the sliding hole 31, a second transmission cavity 40 extending up and down is arranged in the front end wall of the first transmission cavity 35, a first rotating shaft 33 is rotatably arranged between the second transmission cavity 40 and the first transmission cavity 35, a gear 34 meshed with the rack 30 is fixedly arranged on the first rotating shaft 33 in the first transmission cavity 35, a first disc 36 is fixedly arranged on the first rotating shaft 33 in the second transmission cavity 40, a second rotating shaft 38 extending front and back is rotatably arranged in the first disc 36, a pawl 39 is fixedly arranged on the second rotating shaft 38, and a third spring 37 is connected between the pawl 39 and the front end face of the first disc 36.

The fixed block 48 that is equipped with in the top front side of going up mould 14, be equipped with the ascending feeding chamber 47 of opening in the fixed block 48, the raw material granule that can form the sealing washer can be added in the feeding chamber 47, cavity 57 roof is equipped with third through hole 41 that runs through from top to bottom, feeding chamber 47 with the intercommunication is equipped with feed inlet 45 between the third through hole 41, feed inlet 45 with it is equipped with third pivot 43 to rotate between the second transmission chamber 40, in the second transmission chamber 40 fixed be equipped with on the third pivot 43 with the ratchet 42 of pawl 39 meshing, in the feed inlet 45 fixed be equipped with second disc 44 in the third pivot 43, the up-and-down symmetry is equipped with the outside flourishing material mouth 46 of opening in the second disc 44, works as stopper 28 receives the extrusion back, rack 30 is in slide hole 31, slide hole 31 drives gear 34 rotates, the gear 34 drives the first rotating shaft 33 rotates, the first rotating shaft 33 drives the first disc 36 and the pawl 39 rotates, at the moment, the pawl 39 can drive the ratchet wheel 42 to rotate, the ratchet wheel 42 drives the second disc 44 to rotate, the second disc 44 rotates and then passes through the material containing hole 46, raw material particles in the material adding cavity 47 are added into the third through hole 41, the particles in the third through hole 41 finally fall under the action of gravity in the molding cavity 27, when the second sliding block 13 returns to the initial position, the rack 30 slides to drive the gear 34 to rotate, at the moment, the pawl 39 cannot drive the ratchet wheel 42 to rotate, and the quantitative feeding mechanism 91 does not fill the raw material particles in the molding cavity 27.

The lifting mechanism 92 comprises the first sliding cavity 11, a second sliding cavity 49 is communicated with the rear end wall of the first sliding cavity 11, a motor 55 electrically connected with the switch 58 is fixedly arranged on the bottom wall of the second sliding cavity 49, a screw 52 is connected to the top end of the motor 55 in a power mode, a third sliding block 50 fixedly connected with the first sliding block 12 is arranged in the second sliding cavity 49 in a sliding mode, an internal thread 51 meshed with the screw 52 is arranged in the third sliding block 50, after the motor 55 is started, the motor 55 drives the screw 52 to rotate, the screw 52 drives the third sliding block 50 to slide downwards through the internal thread 51, the third sliding block 50 drives the first sliding block 12 to slide downwards, and after the switch 58 is extruded, the motor 55 is made to stop suddenly.

Sequence of mechanical actions of the whole device:

1: firstly, the hole site forming column 17 is installed at the position of a hole required in the process of forming a sealing ring, then the metal lower die 26 is adsorbed to the top surface of the magnet plate 23, the hole site forming column 17 extends into the through hole 19, at the moment, the first through hole 18 and the through hole 19 are blocked, the sealing ring formed in the forming cavity 27 forms a hole site at the position of the hole site forming column 17, equipment can freely change the hole site, and the operation is flexible, variable, convenient and fast;

2: then, the motor 55 is started, the motor 55 drives the screw 52 to rotate, the screw 52 drives the third slide block 50 to slide downwards through the internal thread 51, the third slide block 50 drives the first slide block 12 to slide downwards, and the first slide block 12 drives the second slide block 13 to slide downwards with the upper die 14;

3: after the upper die 14 and the lower metal die 26 are pressed against each other, a closed cavity is formed between the upper die 14 and the lower metal die 26, so that a sealing ring is heated and formed, and then the first slider 12 continuously slides downwards, at this time, the upper die 14 and the second slider 13 cannot continuously move downwards, the second slider 13 slides upwards relative to the first slider 12, that is, the second slider 13 slides upwards relative to the first slider 12 in the limiting groove 59, and the limiting block 28 is pressed by the top wall of the limiting groove 59;

4: after the limiting block 28 is extruded, the rack 30 slides downwards in the sliding hole 31, the sliding hole 31 drives the gear 34 to rotate, the gear 34 drives the first rotating shaft 33 to rotate, the first rotating shaft 33 drives the first disc 36 and the pawl 39 to rotate, at this time, the pawl 39 can drive the ratchet wheel 42 to rotate, the ratchet wheel 42 drives the second disc 44 to rotate, the raw material particles in the feeding cavity 47 are added into the third through hole 41 through the material containing hole 46 after the second disc 44 rotates, the particles in the third through hole 41 finally fall into the molding cavity 27 under the action of gravity, the raw material is automatically added, and the automation degree of the equipment is high;

5: then the top wall of the limiting groove 59 is extruded with the switch 58, at this time, the exhaust pipe 54 is blocked by the rack 30, the air bag 15 and the air pump 56 are communicated by the L-shaped through hole 32, meanwhile, the air pump 56 and the heating module 22 are electrified by the switch 58, the motor 55 is suddenly stopped, the heating module 22 starts to heat after being electrified, raw material particles in the molding cavity 27 are heated and melted, meanwhile, the air pump 56 inflates the air bag 15, the air bag 15 contacts with the heated raw material particles after being inflated and expanded, a flat porous plastic sealing ring is formed in the molding cavity 27, and the sealing ring produced by the equipment has a flat end face and high quality;

6: after the sealing ring is formed, the motor 55 is started to rotate reversely, at this time, the first slide block 12 slides upwards, the second slide block 13 and the upper die 14 slide upwards to return to the initial position, and in the process that the second slide block 13 returns to the initial position, the rack 30 slides upwards to drive the gear 34 to rotate, at this time, the pawl 39 cannot drive the ratchet wheel 42 to rotate, the quantitative charging mechanism 91 does not fill raw material particles into the forming cavity 27, the equipment is accurately charged, the reaction is sensitive, meanwhile, the rack 30 does not block the exhaust pipe 54 any more when returning to the initial position, and the gas in the air bag 15 enters the first through hole 18 through the exhaust pipe 54;

7: and then the metal lower die 26 and the magnet plate 23 are separated from adsorption, at the moment, the hole site formation column 17 does not block the first through hole 18, the gas in the first through hole 18 is transported to the bottom of the forming cavity 27 through the through hole 19, the bottom surface of the formed sealing ring in the forming cavity 27 is pushed, the demoulding of the sealing ring is completed, the equipment does not need to be manually demoulded, and the equipment is high in automation degree, safe and reliable.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a porous type plastic sealing washer production facility, includes the fuselage, its characterized in that: a base is arranged below the machine body, and a connecting arm is fixedly connected between the base and the machine body; an installation cavity with an upward opening is formed in the base, and a porous mold assembly capable of installing a porous mold and automatically demolding by utilizing air pressure is arranged in the installation cavity; a first sliding cavity with a downward opening is arranged in the machine body, a first sliding block is arranged in the first sliding cavity in a sliding mode, a limiting groove with a downward opening is formed in the first sliding block, a second sliding block is arranged in the limiting groove in a sliding mode, a first spring is connected between the second sliding block and the top wall of the limiting groove, an upper die is fixedly arranged on the bottom surface of the second sliding block, and a quantitative feeding mechanism for quantitatively adding raw material particles into a porous die is arranged on the front side end wall of the second sliding block; a gas injection extrusion mechanism for forming a sealing ring by extruding heated raw material particles by gas is arranged between the upper die and the second sliding block, the gas injection extrusion mechanism comprises the upper die, a cavity with a downward opening is arranged in the upper die, a gas bag is arranged in the cavity, and after the upper die slides downwards and is extruded, the gas bag starts to be inflated and extrudes the heated raw material particles; a lifting mechanism for driving the quantitative feeding mechanism and the gas injection extrusion mechanism to operate is arranged in the wall of the rear side end of the first sliding cavity; the porous die assembly comprises the mounting cavity, a heating module is fixedly arranged on the bottom wall of the mounting cavity, a magnet plate can be mounted in the mounting cavity, a groove with an upward opening is formed in the magnet plate, and a lower metal die can be adsorbed on the top surface of the magnet plate; a forming cavity with an upward opening is arranged in the lower metal die, a through hole penetrating up and down is formed in the bottom wall of the forming cavity, a hole site forming column extending into the through hole can be mounted on the groove, and a first through hole penetrating left and right is communicated between the through holes; the gas injection extrusion mechanism comprises a second sliding block, a sliding hole which penetrates through the upper die and the lower die up and down and is communicated with the cavity is formed in the second sliding block and the upper die, the top wall of the cavity is fixedly provided with the air bag communicated with the sliding hole, a rack is arranged in the sliding hole in a sliding mode, the top end of the rack is fixedly provided with a limiting block, a second spring is connected between the limiting block and the top surface of the second sliding block, the right end wall of the sliding hole is fixedly provided with a switch extending into the limiting groove, and the switch is electrically connected with the heating module; an air pump electrically connected with the switch is fixedly arranged on the front side end wall of the sliding hole, a second through hole with a backward opening is formed in the rear end wall of the air pump and communicated with the sliding hole, an exhaust pipe is communicated between the second through hole and the first through hole, and an L-shaped through hole is formed in the rack; the quantitative feeding mechanism comprises the sliding hole, a first transmission cavity is communicated with the right end wall of the sliding hole, a second transmission cavity extending up and down is arranged in the front end wall of the first transmission cavity, a first rotating shaft is rotatably arranged between the second transmission cavity and the first transmission cavity, a gear meshed with the rack is fixedly arranged on the first rotating shaft in the first transmission cavity, a first disc is fixedly arranged on the first rotating shaft in the second transmission cavity, a second rotating shaft extending front and back is rotatably arranged in the first disc, a pawl is fixedly arranged on the second rotating shaft, and a third spring is connected between the pawl and the front end face of the first disc; a fixed block is fixedly arranged on the front side of the top surface of the upper die, a feeding cavity with an upward opening is arranged in the fixed block, raw material particles forming a sealing ring can be added in the feeding cavity, a third through hole which penetrates through the top wall of the cavity from top to bottom is arranged on the top wall of the cavity, a feeding hole is communicated between the feeding cavity and the third through hole and provided with a third rotating shaft in a rotating manner, a ratchet wheel meshed with the pawl is fixedly arranged on the third rotating shaft in the second driving cavity, a second disc is fixedly arranged on the third rotating shaft in the feeding hole, and material containing holes with outward openings are symmetrically arranged in the second disc from top to bottom; elevating system includes first slip chamber, first slip chamber rear end wall intercommunication is equipped with the second and slides the chamber, the second slide chamber diapire fixed be equipped with the motor of switch electricity federation, motor top power is connected with the screw rod, the second slide intracavity slide be equipped with first slider fixed connection's third slider, be equipped with in the third slider with screw rod meshed's internal thread.