CN114131813A

CN114131813A - Silica gel sealing ring preparation device and preparation method thereof

Info

Publication number: CN114131813A
Application number: CN202111371978.5A
Authority: CN
Inventors: 崔号东
Original assignee: Shenzhen Tenchy Silicone & Rubber Co ltd
Current assignee: Shenzhen Tenchy Silicone & Rubber Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-03-04

Abstract

The invention discloses a silica gel sealing ring preparation device and a preparation method thereof, comprising a preparation platform, wherein a female die body for preparing a silica gel sealing ring is arranged on the preparation platform, a support panel is arranged on the preparation platform, a vacuum sucker for sucking the silicon rubber and placing the silicon rubber on the male and female die bodies is arranged on one side of the supporting panel, wherein one side of the supporting panel is provided with a picking assembly for controlling the vacuum chuck to carry the silicon rubber, and the supporting panel is provided with a power component for driving the picking component to move, the bottom of the supporting panel is provided with an adjusting component for preventing the silica gel sealing ring from generating air pocket condition, the silica gel sealing ring preparation device and the manufacturing method thereof, the motor body drives the disc body to rotate, so that the sliding wheel on the sliding block slides in a limited manner in the U-shaped limiting groove along with the disc body, so that the connecting rod on the sliding block drives the vacuum chuck on the strip-shaped plate to pick up the silicon rubber.

Description

Silica gel sealing ring preparation device and preparation method thereof

Technical Field

The invention relates to the technical field of preparation of silica gel sealing rings, in particular to a preparation device and a manufacturing method of a silica gel sealing ring.

Background

The silica gel sealing ring has heat resistance: the silicon rubber has much better heat resistance than common rubber, can be almost always used at 150 ℃ without performance change, can be continuously used for 10000 hours at 200 ℃, and can also be used for a period of time at 350 ℃. The heat-resistant handle is widely applied to occasions requiring heat resistance, such as a sealing ring of a thermos bottle and a heat-resistant handle of a pressure cooker ring. Cold resistance: ordinary rubber has a late point of-20-30 degrees, namely, the silicon rubber still has good elasticity at-60-70 degrees, and certain silicon rubber with special formula can bear extremely low temperature.

The existing silica gel sealing ring is firstly compressed and formed in the preparation process, and the shape of the silica gel sealing ring is complex, such as a leather cup, a sealing ring and the like, and the silica gel sealing ring is prepared by a common forming method. With the aid of male and female molds, rubber is placed into a mold and heated, which requires injection molding for more complex silicone rubber seals, such as tire treads, rubber hoses and steel wire surface coatings. This is a continuous molding process in which a rubber compound is molded into an extruder hopper by internally threaded extrusion through various orifices (also referred to as die plates). Before extrusion, rubber must be preheated to ensure that the rubber is soft and easy to extrude so as to obtain a smooth surface and the accurate size of the silicon rubber sealing ring;

however, in the manufacturing process of the existing silica gel sealing ring, a worker is required to manually place a plurality of pieces of silica gel, in order to ensure the accurate size of the silica gel sealing ring, the accurate placement position of the silica gel sealing ring needs to be ensured when the silica gel sealing ring is manually placed, and in the actual operation process of placing the silica gel sealing ring, due to the fact that proficiency of the worker is different, the production rhythm of the silica gel sealing ring is difficult to control, and the prepared silica gel sealing ring is easy to have the condition of difference in size.

Disclosure of Invention

The invention aims to provide a device and a method for preparing a silica gel sealing ring, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a silica gel sealing washer preparation facilities and preparation method thereof, includes the preparation platform, be provided with the negative and positive mould body that is used for preparing the silica gel sealing washer on the preparation platform, be provided with supporting panel on the preparation platform, and supporting panel one side is provided with and is used for absorbing the vacuum chuck that silicon rubber placed on the negative and positive mould body, wherein supporting panel one side is provided with and is used for controlling the subassembly that picks up that vacuum chuck carried silicon rubber, just be provided with on the supporting panel and be used for driving to pick up the power component that the subassembly carried out the motion, the supporting panel bottom is provided with the adjustment subassembly that is used for preventing the silica gel sealing washer nest gas situation from appearing.

Preferably, the power assembly comprises a motor body arranged on the supporting panel, a rotating shaft body is arranged at the output end of the motor body, a disc body is arranged on the rotating shaft body, a sliding groove is formed in the disc body, and the picking assembly is arranged inside the sliding groove.

Preferably, pick up the subassembly including setting up in the inside slider of spout, just be provided with the pulley on the slider, wherein be provided with on the supporting panel and be used for carrying out sliding connection's U-shaped spacing groove with the pulley, be provided with the connecting rod on the slider, supporting panel one side is provided with and is used for carrying out the locating part of injecing to the connecting rod motion, and be provided with the stationary casing on the connecting rod, just be provided with the fixed connection seat on the stationary casing, and be provided with the bar shaped plate that is used for being connected with vacuum chuck on the fixed connection seat.

Preferably, the limiting part comprises a limiting seat arranged on one side of the supporting panel, the limiting seat is connected with the connecting rod in a sliding manner, and a rotating column which is used for being rotatably connected with the supporting panel is arranged on the limiting seat.

Preferably, a plurality of vacuum suction cups are arranged on the strip-shaped plate, and an air duct is arranged on each vacuum suction cup.

Preferably, the adjusting part comprises a water spraying mechanism arranged at the bottom of the supporting panel, a supporting seat used for being connected with the bottom of the supporting panel is arranged on the water spraying mechanism, a water delivery pipe is arranged on the water spraying mechanism, a fixing seat used for being connected with the bottom of the supporting panel is arranged on the water delivery pipe, an accommodating cavity body is arranged on the water delivery pipe, an electromagnetic valve is arranged between the accommodating cavity body and the water delivery pipe, a push rod is arranged inside the accommodating cavity body, an air cylinder body is arranged at the bottom of the supporting panel, and the output end of the air cylinder body is connected onto the push rod.

Preferably, the bottom of the support panel is provided with a support column for connecting with the preparation platform.

A manufacturing method of a silica gel sealing ring comprises the following steps:

s1, mixing silica gel and sulfur accelerator for rubber mixing, and making a roll with the thickness of 1-4MM, so as to facilitate the next working procedure;

s2, vulcanization molding, namely cutting the refined silicone rubber into strips according to the product weight, putting the strips into a female and male mold body for processing and molding, ensuring the accurate placement of the silicone rubber under the action of a pickup assembly, and preventing the silicone sealing ring from generating air pocket through a water spraying mechanism;

s3, edge picking, wherein the edge material of the formed product needs to be removed manually;

and S4, packaging, detecting and delivering.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is different from the prior art, the motor body drives the disc body to rotate, so that the sliding wheels on the sliding blocks slide in a limited manner along with the disc body in the U-shaped limiting grooves, the connecting rods on the sliding blocks drive the vacuum suckers on the strip-shaped plates to pick up silicon rubber, and the pushing rods are acted by the cylinder body to enable water flow in the cavity body to spray on the surface of the male and female mould bodies through the water conveying pipe, so that the phenomenon of air pocket of the silicon rubber sealing ring in the manufacturing process is prevented.

2. The water spraying mechanism is arranged, after the picking assembly finishes working, the air cylinder body acts on the push rod to enable the push rod to move water flow in the cavity body to the water spraying mechanism through the water conveying pipe, and micro water is sprayed on the surface of the male and female mold bodies through the water spraying mechanism.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the preparation platform of the present invention taken away;

FIG. 4 is a schematic view of the pick-up assembly of the present invention;

FIG. 5 is a partial schematic view of the present invention;

FIG. 6 is a schematic view of a partial structure of the power assembly of the present invention;

FIG. 7 is a schematic view of a side structure of the support panel according to the present invention;

FIG. 8 is a schematic view of an adjusting assembly according to the present invention.

In the figure: 1-preparing a platform; 2-male and female mould bodies; 3-a support panel; 4-vacuum chuck; 5-a pick-up assembly; 6-a power assembly; 7-adjusting the assembly; 8-an air duct; 9-a support column; 51-a slider; 52-a pulley; 53-U-shaped spacing groove; 54-a connecting rod; 55-a stop; 56-fixed housing; 57-fixed connection seat; 58-strip shaped plate; 61-a motor body; 62-a spindle body; 63-a disc body; 64-a chute; 71-a water spraying mechanism; 72-a support base; 73-a water delivery pipe; 74-a fixed seat; 75-a cavity body; 76-solenoid valve; 77-push rod; 78-a cylinder body; 551-limit seat; 552-rotating column.

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.

Referring to fig. 1-8, the present invention provides a technical solution: a silica gel seal ring preparation device and a preparation method thereof solve the problems that in the existing silica gel seal ring preparation process, a plurality of silicon rubbers need to be manually placed by workers, in order to ensure the accurate size of the silica gel seal ring, the accurate placement position of the silica gel seal ring needs to be ensured when the silicon rubbers are manually placed, and in the actual operation process of placing the silicon rubbers, the production rhythm of the silica gel seal ring preparation is difficult to control due to the difference of proficiency among the workers, and the prepared silica gel seal ring is easy to have the existing difference in size, the scheme is correspondingly improved aiming at the problems and comprises a preparation platform 1, wherein a male and female mold body 2 used for preparing the silica gel seal ring is arranged on the preparation platform 1, a slide rail is fixedly arranged on the preparation platform 1, so that the male and female mold body 2 can directionally slide on the slide rail, a supporting panel 3 is arranged on the preparation platform 1, a supporting column 9 used for being connected with the preparation platform 1 is fixedly arranged at the bottom of the supporting panel 3, a vacuum sucker 4 used for sucking silicon rubber and placing the silicon rubber on the female and male mold bodies 2 is arranged on one side of the supporting panel 3, a picking assembly 5 used for controlling the vacuum sucker 4 to carry the silicon rubber is arranged on one side of the supporting panel 3, a power assembly 6 used for driving the picking assembly 5 to move is arranged on the supporting panel 3, an adjusting assembly 7 used for preventing a silicone rubber sealing ring from being in an air pocket state is arranged at the bottom of the supporting panel 3, the female and male mold bodies 2 slide on a sliding rail, when one of the silicon rubbers of the female and male mold bodies 2 slides to the bottom of the supporting panel 3, the picking assembly 5 picks up the silicon rubber arranged on the conveying belt under the action of the power assembly 6, so that the silicon rubber on the conveying belt is picked up to the female and male mold bodies 2, and prevent that the silica gel sealing washer from appearing the air pocket phenomenon in the preparation process under the effect of adjusting part 7, it should be noted that, the conveyer belt that above-mentioned is prior art characteristic, can set up in support panel 3 one side.

The power assembly 6 in the scheme comprises a motor body 61 fixedly arranged on the support panel 3, a rotating shaft body 62 is fixedly connected to the output end of the motor body 61, a disc body 63 is fixedly arranged at one end of the rotating shaft body 62, a sliding groove 64 is formed in the disc body 63, and the picking assembly 5 is arranged in the sliding groove 64; the pick-up assembly 5 in the present scheme comprises a slide block 51 installed inside a slide groove 64, wherein the slide block 51 is in sliding connection with the slide groove 64, a pulley 52 is installed at the bottom of the slide block 51, a U-shaped limiting groove 53 for sliding connection with the pulley 52 is arranged on a support panel 3, wherein a connecting rod 54 is fixedly installed on the slide block 51, a limiting member 55 for limiting the movement of the connecting rod 54 is arranged on one side of the support panel 3, a fixed housing 56 is fixedly installed on the connecting rod 54, a fixed connecting seat 57 is fixedly installed on the fixed housing 56, a strip-shaped plate 58 for connecting with a vacuum chuck 4 is installed on the connecting seat, the limiting member 55 in the present scheme comprises a limiting seat 551 installed on one side of the support panel 3, a sliding connection is formed between the limiting seat 551 and the connecting rod 54, and a rotary column 552 for rotatably connecting with the support panel 3 is installed on the limiting seat 551, wherein a plurality of vacuum suction cups 4 are arranged on the strip-shaped plate 58, and the vacuum suction cups 4 are provided with the air ducts 8;

motor body 61 starts to drive pivot body 62 and rotates, thereby make disc body 63 rotate in step, so that spout 64 extrude slider 51 and carry out directional motion, because carry out sliding connection between slider 51 and the spout 64, and carry out sliding connection between pulley 52 and the U-shaped spacing groove 53, and then make slider 51 drive connecting rod 54 and move along the orbit of U-shaped spacing groove 53, thereby make connecting rod 54 drive a plurality of vacuum chuck 4 on the strip shaped plate 58 through fixed connection seat 57 and absorb the action to the silicon rubber on the conveyer belt, when disc body 63 drives slider 51 and rotates to U-shaped spacing groove 53 tip, motor body 61 reversal at this moment, make the silicon rubber that is absorbed by vacuum chuck 4 move to negative male mold body 2 top, vacuum chuck 4 places silicon rubber in negative and positive mold body 2 surfaces this moment.

The adjusting component 7 in the scheme comprises a water spraying mechanism 71 arranged at the bottom of a supporting panel 3, a supporting seat 72 used for being connected with the bottom of the supporting panel 3 is fixedly arranged on the water spraying mechanism 71, a water delivery pipe 73 is connected with the top of the water spraying mechanism 71, a fixing seat 74 used for being connected with the bottom of the supporting panel 3 is fixedly arranged on the water delivery pipe 73, a cavity body 75 is arranged on the water delivery pipe 73, an electromagnetic valve 76 is arranged between the cavity body 75 and the water delivery pipe 73, a push rod 77 is arranged in the cavity body, a cylinder body 78 is arranged at the bottom of the supporting panel 3, the output end of the cylinder body 78 is connected with the push rod 77, so that the electromagnetic valve 76 is opened, the push rod 77 is acted by the cylinder body 78 to enable water flow in the cavity body to be transported to the water spraying mechanism 71 through the water delivery pipe 73, and therefore, the male and female mold body 2 on which silicon rubber is placed is sprayed with micro moisture through the water spraying mechanism 71, thereby reach the situation that prevents that the nest gas from appearing in the silica gel sealing washer.

A silica gel seal ring manufacturing method is suitable for the silica gel seal ring manufacturing system:

s1, mixing silica gel and sulfur accelerator for rubber mixing, and making the rubber into a coil with the thickness of 1 MM and 4MM, so that the rubber is convenient to process in the next procedure;

s2, vulcanization molding, namely cutting the refined silicone rubber into strips according to the product weight, putting the strips into the female and male mold bodies 2 for processing molding, ensuring the accurate placement of the silicone rubber under the action of the arranged picking assembly 5, and preventing the silicone sealing ring from being in an air pocket state through the arranged water spraying mechanism 71;

and S4, packaging, detecting and delivering.

The working principle is as follows: the scheme is different from the prior art, the silicon rubber on the conveying belt is picked up to the surface of the female and male die bodies 2 by the picking assembly 5 through the power assembly 6, after the silicon rubber is picked up, the female and male die bodies 2 with the silicon rubber are sprayed with trace moisture through the adjusting assembly 7, so that the situation of air pocket is prevented in the preparation process is achieved, the female and male die bodies 2 can move directionally on the sliding rails by the existing driving mechanism on the preparation platform 1, further, when the silicon rubber placed on the female and male die bodies 2 moves to the bottom of the supporting panel 3, the pipeline is ventilated at the same time, the vacuum chuck 4 sucks the silicon rubber, the motor body 61 rotates, the rotating shaft body 62 drives the disc body 63 to rotate synchronously, the sliding block 51 in the sliding groove 64 moves directionally in the U-shaped limiting groove 53 through the pulley 52 in the rotation process of the disc body 63, and the sliding block 51 moves directionally in the sliding groove 64, so that the sliding block 51 drives the connecting rod 54 to move synchronously along the U-shaped limiting groove 53 through the pulley 52. One end of the connecting rod 54 close to the top of the supporting panel 3 is limited by a limiting seat 551, meanwhile, the limiting seat 551 and the disc body 63 move synchronously through the rotating column 552, so that the movement of the connecting rod 54 is limited, the strip-shaped plate 58 is driven to move synchronously under the action of the fixed connecting seat 57, a plurality of vacuum suction cups 4 are arranged on the strip-shaped plate 58, the vacuum suction cups 4 suck the silicon rubber on the conveying belt and then move synchronously along with the connecting rod 54, when the pulley 52 moves to the other end of the U-shaped limiting groove 53, the vacuum suction cups 4 are positioned on the surface of the male and female mold bodies 2, the silicon rubber is placed on the male and female mold bodies 2 through the vacuum suction cups 4, the male and female mold bodies 2 move directionally on the sliding rails, so that the next placing point is positioned at the bottom of the supporting panel 3, the motor body 61 rotates reversely, and the silicon rubber on the conveying belt is sucked, the silicon rubber sealing ring is placed on the male and female die bodies 2, after the silicon rubber is placed, the electromagnetic valve 76 is opened, the air cylinder body 78 acts on the push rod 77 to enable water flow inside the cavity body to be transported to the water spraying mechanism 71 through the water delivery pipe 73, so that the water spraying mechanism 71 sprays micro water to the male and female die bodies 2 where the silicon rubber is placed, and therefore the situation that air pocket of the silicon rubber sealing ring is avoided is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a silica gel sealing washer preparation facilities, includes preparation platform (1), be provided with female mould body (2) that are used for preparing the silica gel sealing washer on preparation platform (1), its characterized in that: be provided with supporting panel (3) on preparation platform (1), and supporting panel (3) one side is provided with and is used for absorbing vacuum chuck (4) that silicon rubber placed on negative and positive mould body (2), wherein supporting panel (3) one side is provided with and is used for controlling vacuum chuck (4) to carry subassembly (5) of picking up of silicon rubber, just be provided with on supporting panel (3) and be used for driving to pick up power component (6) that subassembly (5) carried out the motion, supporting panel (3) bottom is provided with adjustment assembly (7) that are used for preventing the silica gel sealing washer nest gas situation from appearing.

2. The device for preparing the silica gel sealing ring according to claim 1, wherein: the power assembly (6) comprises a motor body (61) arranged on the supporting panel (3), a rotating shaft body (62) is arranged at the output end of the motor body (61), a disc body (63) is arranged on the rotating shaft body (62), a sliding groove (64) is formed in the disc body (63), and the pickup assembly (5) is arranged inside the sliding groove (64).

3. The device for preparing the silica gel sealing ring according to claim 2, wherein: pick up subassembly (5) including setting up slider (51) in spout (64) inside, just be provided with pulley (52) on slider (51), wherein be provided with on supporting panel (3) and be used for carrying out sliding connection's U-shaped spacing groove (53) with pulley (52), be provided with connecting rod (54) on slider (51), supporting panel (3) one side is provided with and is used for carrying out locating part (55) injectd to connecting rod (54) motion, and be provided with stationary housing (56) on connecting rod (54), just be provided with fixed connection seat (57) on stationary housing (56), and be provided with on fixed connection seat (57) and be used for carrying out the strip shaped plate (58) of being connected with vacuum chuck (4).

4. The device for preparing the silica gel sealing ring according to claim 3, wherein: the limiting part (55) comprises a limiting seat (551) arranged on one side of the supporting panel (3), the limiting seat (551) is in sliding connection with the connecting rod (54), and a rotating column (552) which is used for being in rotating connection with the supporting panel (3) is arranged on the limiting seat (551).

5. The device for preparing the silica gel sealing ring according to claim 3, wherein: the vacuum suckers (4) are arranged on the strip-shaped plates (58) in a plurality, and air ducts (8) are arranged on the vacuum suckers (4).

6. The device for preparing the silica gel sealing ring according to claim 1, wherein: adjusting part (7) is including setting up in water spray mechanism (71) of support panel (3) bottom, just be provided with on water spray mechanism (71) and be used for carrying out supporting seat (72) be connected with support panel (3) bottom, and be provided with raceway (73) on water spray mechanism (71), wherein be provided with on raceway (73) and be used for carrying out fixing base (74) be connected with support panel (3) bottom, wherein be provided with on raceway (73) and hold chamber body (75), be provided with solenoid valve (76) between chamber body (75) and raceway (73), and hold inside catch bar (77) that is provided with of chamber body (75), wherein support panel (3) bottom is provided with cylinder body (78), just cylinder body (78) output is connected on catch bar (77).

7. The device for preparing the silica gel sealing ring according to claim 2, wherein: and a support column (9) used for being connected with the preparation platform (1) is arranged at the bottom of the support panel (3).

8. The method for manufacturing a silica gel sealing ring according to claim 1, comprising the following steps:

s2, vulcanization molding, namely cutting the refined silicone rubber into strips according to the product weight, putting the strips into the male and female die bodies (2) for processing and molding, ensuring the accurate placement of the silicone rubber under the action of the arranged picking assembly (5), and preventing the silicone sealing ring from generating air pocket through the arranged water spraying mechanism (71);

and S4, packaging, detecting and delivering.