Rubber preforming machine for precise rubber O-shaped ring production

Abstract

The utility model discloses a rubber preforming machine for precise rubber O-shaped ring production, and relates to the technical field of rubber ring production. The ventilation device comprises a mounting frame, a ventilation pipe and a plurality of fixing pipes, o-shaped rings are arranged between the end parts of the fixing pipes; an elastic diaphragm is hermetically fixed at the end of the fixed pipe; a plurality of anti-skid bulges are uniformly fixed on the elastic diaphragm; fixing rings are fixed on the inner walls of the ventilation pipes; a breathable filter screen is fixed between the inner walls of the fixing rings; a fixing plate is fixed on one side of the fixing ring; piston plates are slidably arranged on the inner walls of the ventilation pipes; a ventilation spring is connected between the fixing plate and the piston plate. Dust generated when the O-shaped ring is polished is prevented from polluting the environment through the dust collector, meanwhile, when gas passes through the ventilation pipe, the piston plate is pushed to slide in the direction close to the fixing pipe, then the gas in the fixing pipe is extruded, the elastic diaphragm is expanded, the elastic diaphragm is tightly attached to the inner wall of the O-shaped ring, the O-shaped ring is prevented from deviating, and the polishing effect of the O-shaped ring is improved. And the fixation of the O-shaped ring is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rubber ring production technical field, especially relate to a rubber preforming machine for precision rubber O ring production. BACKGROUND

[0002] The rubber preforming machine is a kind of high-precision high-efficiency rubber blank making equipment, can produce various medium-hardness, high-hardness, various shape rubber blanks, and the rubber blank precision is high, no bubble, is suitable for producing rubber miscellaneous parts, oil seal, O ring, tennis ball, golf ball, valve nozzle, shoe sole, automobile accessory, medicine, agricultural granulation and other products.

[0003] At present, the preforming of rubber O ring needs to pass twice discontinuous vulcanization forming, after the O ring forming after the first vulcanization forming, need to take the O ring to the trimming machine and carry out trimming, remove the burr of joint line, and wash with clean water, ensure that the surface is clean, and the existing polishing mode is usually that staff handholds O ring and polishes, and O ring is easy to fall off, and polishing efficiency is low.

[0004] Therefore, the utility model provides a rubber preforming machine for precision rubber O ring production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a rubber preforming machine for precision rubber O ring production, and the dust generated when polishing O ring is collected by dust collector, dust pollution to the environment is prevented, simultaneously, the air pipe connected to the air suction end of dust collector is communicated with the air pipe, when the gas passes through the air pipe, the piston plate is slid to the direction close to the fixed pipe, the gas in the fixed pipe is extruded, the elastic diaphragm is expanded, the elastic diaphragm and the anti-skid convex on it are close to the inner wall of O ring, the position of O ring is prevented from deviating, the fixing of O ring is strengthened, the problem that the existing rubber preforming machine is polished by hand, O ring is easy to fall off, and polishing efficiency is low is solved.

[0006] To solve the above technical problems, the utility model is realized through the following technical schemes: the utility model is a kind of rubber preforming machine for precision rubber O ring production, including mounting bracket;The mounting bracket is fixed with air pipe;The end of air pipe is evenly distributed with a plurality of fixed tubes and is penetrated;O ring is arranged between the end of each fixed tube;The end of fixed tube is sealed and fixed with elastic diaphragm;A plurality of anti-skid convexes are evenly fixed on the elastic diaphragm;Fixed ring is fixed on the inner wall of air pipe;Breathable filter screen is fixed between the inner wall of fixed ring;Fixed plate is fixed on the side of fixed ring close to fixed tube;Piston plate is slidably arranged on the inner wall of air pipe;Air spring is connected between fixed plate and piston plate.

[0007] The utility model further sets up, the mounting frame includes U shape frame, the both ends of U shape frame are fixed with base, the inner wall of U shape frame is fixed with mounting ring, the inner wall of mounting ring is fixed with ventilation pipe.

[0008] The utility model further sets up, the ventilation pipe one end is fixed with dust absorption board, dust absorption board surface even fixed with a plurality of dust absorption hole, dust absorption hole links with ventilation pipe, dust absorption board is located below O type ring, the other end of ventilation pipe is connected with dust collector.

[0009] The utility model further sets up, ventilation pipe inside links with ventilation pipe inside, the inner wall of ventilation pipe is through rotation and is provided with reciprocating screw rod, the circumferential surface of ventilation pipe is fixed with limiting rod.

[0010] The utility model further sets up, the one end of reciprocating screw rod in ventilation pipe inside is evenly fixed with impeller in circumferential array distribution, the end of reciprocating screw rod is fixed with fixed frame, the circumferential array distribution of fixed frame side is evenly fixed with a plurality of guide shaft.

[0011] The utility model further sets up, the circumferential surface of reciprocating screw rod is provided with the sliding barrel of sliding cooperation with limiting rod, the inner wall of sliding barrel is provided with the sliding block of sliding cooperation with reciprocating screw rod screw groove, the circumferential surface of sliding barrel is rotationally arranged with rotating frame, and rotating frame and guide shaft are through sliding cooperation.

[0012] The utility model further sets up, the circumferential array distribution of rotating frame side is evenly fixed with a plurality of trimming shaft, the circumferential surface of trimming shaft is provided with abrasive paper, the circumferential surface of trimming shaft is provided with magic tape abrasive surface layer, the inner wall of abrasive paper is provided with the magic tape hook surface layer of sticking cooperation with magic tape abrasive surface layer, and the circumferential surface of abrasive paper is adapted with the circumferential surface of O type ring.

[0013] The utility model has following beneficial effects: 1, the utility model produces dust when polishing O type ring through dust collector, prevents dust pollution environment, simultaneously, the ventilation pipe of dust collector suction end connection links with ventilation pipe, and the gas is communicated, when making the gas pass through ventilation pipe, push piston plate to the direction of close fixed pipe, and then extrude the gas in fixed pipe interior, expand elastic diaphragm, and then elastic diaphragm and the antiskid convex on it are close to O type ring inner wall, prevent O type ring from deviating position, strengthen the fixation to O type ring.

[0014] 2, the utility model discloses a gas fan wheel is taken in through the dust catcher suction end, and further drives the reciprocating screw rod rotation, and further drives the sliding cylinder, rotary frame and trimming shaft sliding, the reciprocating screw rod rotation drives the fixed frame and guide shaft rotation, and further guide shaft drives rotary frame and trimming shaft rotation, and further trimming shaft rotation moves O type ring, when trimming shaft and O type ring contact, the polishing sandpaper is polished to O type ring, and the dust catcher removes the dust generated in polishing, prevents dust from polluting air.

[0015] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing of the embodiment briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0017] Figure 1 It is a rubber preforming machine structure diagram for a kind of precision rubber O type ring production.

[0018] Figure 2 It is the A area enlarged view of the Figure 1 of the utility model.

[0019] Figure 3 It is the B area enlarged view of the Figure 1 of the utility model.

[0020] Figure 4 It is the C area enlarged view of the Figure 1 of the utility model.

[0021] Figure 5 It is another view structure diagram of the Figure 1 of the utility model.

[0022] Figure 6 It is the D area enlarged view of the Figure 5 of the utility model.

[0023] Figure 7 It is the E area enlarged view of the Figure 5 of the utility model.

[0024] In the drawing, the component list represented by each mark is as follows:

[0025] 1, mounting frame; 2, ventilation pipe; 3, fixed pipe; 4, O-ring; 5, elastic diaphragm; 6, anti-skid convex; 7, fixed ring; 8, fixed plate; 9, piston plate; 10, ventilation spring; 11, U-shaped frame; 12, base; 13, mounting ring; 14, air pipe; 15, dust absorption plate; 16, dust absorption hole; 17, reciprocating screw rod; 18, limiting rod; 19, impeller; 20, fixed frame; 21, guide shaft; 22, sliding cylinder; 23, rotating frame; 24, trimming shaft; 25, polishing sandpaper; 26, air permeable filter screen. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment one, please refer to Figures 1-7 The present application is a rubber pre-forming machine for precise rubber O-ring production, comprising a mounting frame 1; the mounting frame 1 is fixed with a ventilation pipe 2; the ventilation pipe 2 is evenly distributed with a plurality of fixed pipes 3 penetrating through the end; O-rings 4 are arranged between the ends of the fixed pipes 3; elastic diaphragms 5 are sealingly fixed to the ends of the fixed pipes 3; a plurality of anti-skid convexes 6 are evenly fixed to the elastic diaphragms 5; a fixed ring 7 is fixed to the inner wall of the ventilation pipe 2; an air permeable filter screen 26 is fixed between the inner walls of the fixed ring 7; a fixed plate 8 is fixed to one side of the fixed ring 7 close to the fixed pipe 3; a piston plate 9 is slidingly arranged on the inner wall of the ventilation pipe 2; a ventilation spring 10 is connected between the fixed plate 8 and the piston plate 9.

[0028] Specifically, the mounting frame 1 comprises a U-shaped frame 11; the U-shaped frame 11 is fixed with a base 12 at both ends; a mounting ring 13 is fixed to the inner wall of the U-shaped frame 11; an air pipe 14 is fixed to the inner wall of the mounting ring 13.

[0029] Further, the air pipe 14 is fixed with a dust absorption plate 15 at one end; a plurality of dust absorption holes 16 are evenly fixed to the surface of the dust absorption plate 15; the dust absorption holes 16 are in communication with the air pipe 14; the dust absorption plate 15 is located below the O-ring 4; the other end of the air pipe 14 is connected with a dust collector.

[0030] The operation process of the embodiment is as follows: first, the O-shaped ring 4 is sleeved outside each fixed pipe 3, so that the fixed pipe 3 is tightly attached to the inner wall of the O-shaped ring 4, then the dust collector is turned on, the air suction end of the dust collector sucks air through the air pipe 14, the sucked gas passes through the inside of the air exchange pipe 2 through the air pipe 14, pushes the piston plate 9 to slide towards the fixed pipe 3, thereby extruding the gas in the fixed pipe 3, expanding the elastic diaphragm 5, and then the elastic diaphragm 5 and the anti-skid protrusions 6 thereon are tightly attached to the inner wall of the O-shaped ring 4, thereby strengthening the fixation of the O-shaped ring 4, then the O-shaped ring 4 is polished for edge trimming, the dust generated by polishing is sucked into the inside of the dust collection plate 15 through the dust collection hole 16, and then is sucked into the dust collector along the air pipe 14, thereby preventing the dust generated by polishing the O-shaped ring 4 from polluting the environment, and the air-permeable filter screen 26 blocks the dust.

[0031] In the embodiment, the dust generated by polishing the O-shaped ring 4 is collected by the dust collector, thereby preventing the dust from polluting the environment, and at the same time, the air pipe 14 connected to the air suction section of the dust collector is in communication with the air exchange pipe 2, so that when the gas passes through the air exchange pipe 2, the piston plate 9 is pushed to slide towards the fixed pipe 3, thereby extruding the gas in the fixed pipe 3, expanding the elastic diaphragm 5, and then the elastic diaphragm 5 and the anti-skid protrusions 6 thereon are tightly attached to the inner wall of the O-shaped ring 4, thereby preventing the O-shaped ring 4 from deviating from the position and strengthening the fixation of the O-shaped ring 4.

[0032] Specific embodiment two, please refer to Figures 1-7 On the basis of the specific embodiment one, the inside of the air pipe 14 is in communication with the inside of the air exchange pipe 2; the inner wall of the air pipe 14 is provided with a reciprocating screw rod 17 in a penetrating and rotating manner; and the peripheral side of the air pipe 14 is fixed with a limiting rod 18.

[0033] Specifically, the one end of the reciprocating screw rod 17 located in the inside of the air pipe 14 is fixed with impellers 19 in a circumferential array and uniformly; the end of the reciprocating screw rod 17 is fixed with a fixing frame 20; and the side of the fixing frame 20 is fixed with a plurality of guide shafts 21 in a circumferential array and uniformly.

[0034] Further, the peripheral side of the reciprocating screw rod 17 is provided with a sliding cylinder 22 which is in sliding cooperation with the limiting rod 18; the inner wall of the sliding cylinder 22 is provided with a sliding block which is in sliding cooperation with the screw groove of the reciprocating screw rod 17; the peripheral side of the sliding cylinder 22 is provided with a rotating frame 23 in a rotating manner; and the rotating frame 23 is in penetrating and sliding cooperation with the guide shaft 21.

[0035] Further, the side of the rotating frame 23 is fixed with a plurality of edge trimming shafts 24 in a circumferential array and uniformly; the peripheral side of the edge trimming shaft 24 is provided with a sandpaper 25; the peripheral side of the edge trimming shaft 24 is provided with a magic tape abrasive surface layer; the inner wall of the sandpaper 25 is provided with a magic tape hook surface layer which is in bonding cooperation with the magic tape abrasive surface layer; and the peripheral side of the sandpaper 25 is matched with the peripheral side of the O-shaped ring 4.

[0036] The operation process of the embodiment is as follows: the suction end of the dust collector sucks air from the air duct 14, the air fans the impeller 19, and then drives the reciprocating screw rod 17 to rotate, and then drives the sliding block to slide along the threaded groove of the reciprocating screw rod 17, and then drives the sliding cylinder 22 to slide along the side surface of the limiting rod 18, and then the sliding cylinder 22 drives the rotating frame 23 and the trimming shaft 24 to slide, in the process of rotating the reciprocating screw rod 17, the fixed frame 20 and the guide shaft 21 are driven to rotate, and then the guide shaft 21 drives the rotating frame 23 to rotate, and then drives the trimming shaft 24 to rotate, and then the trimming shaft 24 moves towards the O-shaped ring 4 while rotating, when the trimming shaft 24 contacts the O-shaped ring 4, the polishing sandpaper 25 polishes the O-shaped ring 4, and the dust generated by polishing is sucked by the dust collector to prevent dust from polluting the air.

[0037] In the embodiment, the gas sucked by the suction end of the dust collector fans the impeller 19, and then drives the reciprocating screw rod 17 to rotate, and then drives the sliding cylinder 22, the rotating frame 23 and the trimming shaft 24 to slide, in the process of rotating the reciprocating screw rod 17, the fixed frame 20 and the guide shaft 21 are driven to rotate, and then the guide shaft 21 drives the rotating frame 23 and the trimming shaft 24 to rotate, and then the trimming shaft 24 moves towards the O-shaped ring 4 while rotating, when the trimming shaft 24 contacts the O-shaped ring 4, the polishing sandpaper 25 polishes the O-shaped ring 4, and the dust generated by polishing is sucked by the dust collector to prevent dust from polluting the air.

[0038] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A rubber preforming machine for producing precision rubber O-rings, comprising a mounting frame (1); characterized in that: A ventilation pipe (2) is fixed on the mounting bracket (1); several fixing pipes (3) are evenly distributed in a circumferential array at the end of the ventilation pipe (2); O-rings (4) are provided between the ends of each fixing pipe (3). The end of the fixed tube (3) is sealed with an elastic diaphragm (5); a number of anti-slip protrusions (6) are uniformly fixed on the elastic diaphragm (5); A fixing ring (7) is fixed to the inner wall of the ventilation pipe (2); a breathable filter (26) is fixed between the inner walls of the fixing ring (7); a fixing plate (8) is fixed to the side of the fixing ring (7) near the fixing pipe (3); A piston plate (9) is slidably disposed on the inner wall of the ventilation pipe (2); a ventilation spring (10) is connected between the fixed plate (8) and the piston plate (9).

2. The rubber preforming machine for producing precision rubber O-rings according to claim 1, characterized in that, The mounting frame (1) includes a U-shaped frame (11); bases (12) are fixed at both ends of the U-shaped frame (11); a mounting ring (13) is fixed on the inner wall of the U-shaped frame (11); and a vent pipe (14) is fixed on the inner wall of the mounting ring (13).

3. A rubber preforming machine for producing precision rubber O-rings according to claim 2, characterized in that, One end of the vent pipe (14) is fixed with a dust suction plate (15); the surface of the dust suction plate (15) is evenly fixed with a plurality of dust suction holes (16); the dust suction holes (16) are connected to the vent pipe (14); the dust suction plate (15) is located below the O-ring (4); the other end of the vent pipe (14) is connected to a vacuum cleaner.

4. A rubber preforming machine for producing precision rubber O-rings according to claim 3, characterized in that, The vent pipe (14) is connected to the interior of the ventilation pipe (2); a reciprocating screw (17) is rotatably installed through the inner wall of the vent pipe (14); a limit rod (18) is fixed on the circumferential side of the vent pipe (14).

5. A rubber preforming machine for producing precision rubber O-rings according to claim 4, characterized in that, The reciprocating screw (17) is located inside the vent pipe (14) and has impellers (19) evenly fixed in a circular array at one end; a fixing frame (20) is fixed at the end of the reciprocating screw (17); and several guide shafts (21) are evenly fixed in a circular array on the side of the fixing frame (20).

6. A rubber preforming machine for producing precision rubber O-rings according to claim 5, characterized in that, The reciprocating screw (17) is provided with a slide cylinder (22) that slides in cooperation with the limiting rod (18) on its peripheral side; the inner wall of the slide cylinder (22) is provided with a slider that slides in cooperation with the thread groove of the reciprocating screw (17); a rotating frame (23) is rotatably provided on the peripheral side of the slide cylinder (22); the rotating frame (23) slides through the guide shaft (21).

7. A rubber preforming machine for producing precision rubber O-rings according to claim 6, characterized in that, The rotating frame (23) has several trimming shafts (24) evenly distributed in a circular array on its side; the trimming shafts (24) are provided with sandpaper (25) on their side; the trimming shafts (24) are provided with a Velcro abrasive layer on their side; the inner wall of the sandpaper (25) is provided with a Velcro hook layer that is bonded to the Velcro abrasive layer; the side of the sandpaper (25) is adapted to the side of the O-ring (4).

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