Mixing device for devulcanizing and plasticizing waste rubber

Abstract

The utility model relates to the technical field of waste rubber regeneration, in particular to a mixing device for devulcanizing and plasticizing waste rubber, which comprises a mixing barrel, a crushing and stirring component rotatably arranged in the mixing barrel, a driving component vertically and slidably arranged on the mixing barrel, and a lifting component arranged on the mixing barrel and positioned below the driving component, the driving assembly is in transmission connection with the crushing and stirring assembly, the driving assembly drives the crushing and stirring assembly to rotate, the lifting assembly is connected with the driving assembly, and the lifting assembly drives the driving assembly to vertically slide; the motor drives the transmission shaft to rotate so as to drive the crushing cutter arranged at the upper part of the filter screen to crush the waste rubber raw material again, so that the situation that some waste rubber fragments which are not crushed thoroughly influence and reduce the quality and performance stability of regenerated rubber is prevented; an electric push rod is started to drive a moving plate to move upwards, and then a transmission shaft connected through a synchronous rod is driven to move upwards, so that the filter screen is moved to the outside of the mixing barrel, and a worker can conveniently clean the filter screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste and old rubber regeneration technical field, concretely is a kind of mixed device for waste and old rubber vulcanization breaking. BACKGROUND

[0002] The vulcanization breaking of waste and old rubber is a kind of regeneration process of waste and old rubber, by physical and chemical methods, the sulfur crosslinking bond in waste and old rubber is broken, so that rubber is converted from three-dimensional network structure into relatively more plastic state, to facilitate subsequent processing and recycling.

[0003] When waste and old rubber vulcanization breaking, a variety of materials need to be mixed, which includes waste and old rubber raw materials itself by washing, crushing and other pretreatment, and reagent such as vulcanization breaking agent, activator, softener, filler; The mixing equipment for vulcanization breaking currently generally does not have shearing crushing mechanism, for some waste and old rubber chips that are not completely crushed, secondary crushing cannot be carried out, which easily leads to uneven vulcanization breaking in the subsequent vulcanization breaking stage, larger chips cannot be in contact with vulcanization breaking agent, etc., vulcanization breaking is uneven, which reduces the quality and performance stability of regenerated rubber. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of mixed device for waste and old rubber vulcanization breaking, to solve the problem that the existing mode is inconvenient for waste and old rubber raw materials to be crushed again during vulcanization breaking mixing mentioned in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of mixed device for waste and old rubber vulcanization breaking, including mixing bucket, further including broken stirring assembly being rotationally arranged in mixing bucket, drive assembly being vertically slidably arranged on mixing bucket, lifting assembly being arranged on mixing bucket and being located below drive assembly;The drive assembly is transmissionally connected with the broken stirring assembly, the drive assembly drives the broken stirring assembly to rotate, the lifting assembly is connected with the drive assembly, and the lifting assembly drives the drive assembly to vertically slide.

[0006] Further, the broken stirring assembly includes filter screen being vertically slidably arranged on the inner wall of mixing bucket, transmission shaft being rotationally connected in the middle part of filter screen by bearing;The transmission shaft is provided with crushing knife on the position of the upper part of filter screen, and the transmission shaft is provided with stirring blade on the position of the lower part of filter screen.

[0007] Further, the drive assembly includes moving plate being vertically slidably arranged on the outer wall of mixing bucket, motor being vertically arranged on moving plate;Rotary rod is arranged on the output shaft of motor, belt pulley is arranged on the upper part of transmission shaft and rotary rod, two belt pulleys are transmissionally connected by belt, synchronous rod is rotationally connected on the rotary rod, and one end of synchronous rod is rotationally connected with transmission shaft.

[0008] Further, the lifting assembly comprises a support plate arranged on the mixing barrel and below the moving plate, and an electric push rod arranged on the support plate; the output shaft of the electric push rod is connected with the moving plate.

[0009] Further, the bottom of the mixing barrel is detachably connected with a discharge hopper through bolts, and the discharge hopper is provided with a valve.

[0010] Further, the bottom of the mixing barrel is provided with supporting legs.

[0011] Compared with the prior art, the present application has the following advantages:

[0012] The present application is used for regrinding the waste rubber raw material when the waste rubber is broken and plasticized; the motor drives the transmission shaft to rotate, and then drives the grinding knife arranged on the upper part of the filter screen to regrind the waste rubber raw material, so as to prevent some large waste rubber pieces from affecting the quality and performance stability of the regenerated rubber.

[0013] The present application is also used for cleaning the impurities adhered to the filter screen; the electric push rod is started to drive the moving plate to move upwards, and then drives the transmission shaft connected through the synchronous rod to move upwards, so as to move the filter screen to the outside of the mixing barrel, so as to clean it by the staff. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall structure diagram of the present application;

[0015] Fig. 2 It is the sectional view of the present application.

[0016] In the drawing:

[0017] 1, mixing barrel; 2, filter screen; 3, transmission shaft; 4, grinding knife; 5, stirring blade; 6, moving plate; 7, motor; 8, rotating rod; 9, belt pulley; 10, synchronous rod; 11, support plate; 12, electric push rod; 13, discharge hopper; 14, valve; 15, supporting leg. DETAILED DESCRIPTION

[0018] Please refer to Figs. 1-2The utility model provides a kind of mixing device for waste rubber broken sulfur plasticizing, by mixing bucket 1, the broken stirring subassembly of rotation being arranged in mixing bucket 1, driving subassembly is vertically slid in mixing bucket 1, lifting subassembly is arranged in mixing bucket 1 and is located below driving subassembly, and driving subassembly is transmission connection with broken stirring subassembly, drives broken stirring subassembly rotation, lifting subassembly is connected with driving subassembly, drives driving subassembly vertical sliding;Through broken stirring subassembly, waste rubber raw materials are pulverized and waste rubber raw materials are mixed with broken sulfur agent, activator, softener, filling agent and other reagents stirring, through lifting subassembly, broken stirring subassembly is moved to the outside of mixing bucket 1 when not mixing, so as to add reagent in mixing bucket 1, also facilitate the cleaning of waste rubber raw materials adhered on broken stirring subassembly;And discharge hopper 13 is detachably connected on the bottom of mixing bucket 1, valve 14 is arranged on discharge hopper 13, so as to discharge after mixing, and the support leg 15 arranged on the bottom of mixing bucket 1 supports the whole device when working.

[0019] The broken stirring subassembly for pulverizing and stirring waste rubber raw materials includes a filter screen 2 vertically slid on the inner wall of the mixing bucket 1, and a transmission shaft 3 rotatably connected in the middle of the filter screen 2. The transmission shaft 3 is provided with a pulverizing knife 4 at the position above the filter screen 2, and is provided with a stirring blade 5 at the position below the filter screen 2. When the transmission shaft 3 rotates, the pulverizing knife 4 and the stirring blade 5 rotate synchronously. The waste rubber raw materials pulverized by the pulverizing knife 4 fall into the position provided with the stirring blade 5 through the filter screen 2, and are mixed and stirred.

[0020] The driving subassembly for driving the broken stirring subassembly to work includes a moving plate 6 vertically slid on the outer wall of the mixing bucket 1, and a motor 7 vertically arranged on the moving plate 6. The output shaft of the motor 7 is provided with a rotating rod 8. The rotating rod 8 and the upper part of the transmission shaft 3 are both provided with a belt pulley 9. The two belt pulleys 9 are transmissionally connected through a belt. When the motor 7 drives the rotating rod 8 to rotate, the transmission shaft 3 rotates synchronously through the belt.

[0021] The lifting subassembly for lifting the broken stirring subassembly to the outside of the mixing bucket 1 includes a support plate 11 arranged on the mixing bucket 1 below the moving plate 6, and an electric push rod 12 arranged on the support plate 11. The output shaft of the electric push rod 12 is connected with the moving plate 6. When the electric push rod 12 is started, the moving plate 6 connected therewith moves upward, thereby driving the motor 7 arranged thereon to move upward. Then, through a synchronous rod 10 rotationally connected at one end with the rotating rod 8 and at the other end with the transmission shaft 3, the transmission shaft 3 is driven to move upward, thereby moving the filter screen 2 to the outside of the mixing bucket 1, so as to add reagents and clean the filter screen 2.

[0022] The above-mentioned electric push rod 12 is a self-locking electric push rod 12. The connection of the two ends of the synchronous rod 10 with the transmission shaft 3 and the rotating rod 8 can be realized through a bearing.

[0023] The utility model discloses a working principle: when working, first starting electric push rod 12, by electric push rod 12 drive moving plate 6 to go up, through synchronous link 10 drive and transmission shaft 3 rotation connection's filter screen 2 go up to mixed bucket 1 outside, clean filter screen 2, then put the reagent for broken sulfur plasticization into mixed bucket 1, again reverse starting electric push rod 12, by electric push rod 12 drive filter screen 2 reset, then throw into the waste and old rubber raw materials in mixed bucket 1 and synchronous starting motor 7, by motor 7 drive transmission shaft 3 rotation, and then drive crushing knife 4 and stirring blade 5 rotation, and crushing knife 4 to the waste and old rubber raw materials of pre -treatment carry out again crushing, and the waste and old rubber raw materials of crushing fall into mixed bucket 1 lower part through filter screen 2, by stirring blade 5 to the waste and old rubber raw materials with reagent carry on stirring, have mixed it, after mixing, by opening valve 14, make it from the discharge hopper 13 bottom drop down, so that the staff collects, after mixing, again starting electric push rod 12, filter screen 2 move to mixed bucket 1 outside and clean, so that subsequent use.

Claims

1. A mixing device for devulcanization plasticizing of waste rubber, comprising a mixing barrel (1), characterized in that, Also include the broken stirring assembly is arranged in the mixing barrel (1), vertical sliding drive assembly is arranged on the mixing barrel (1), arranged on the mixing barrel (1) and below the drive assembly lifting assembly; The drive assembly is in transmission connection with the broken stirring assembly, the drive assembly drives the broken stirring assembly to rotate, the lifting assembly is connected with the drive assembly, and the lifting assembly drives the drive assembly to slide vertically.

2. The mixing device for devulcanization and plasticization of waste rubber according to claim 1, characterized in that, The broken stirring assembly includes a filter screen (2) vertically sliding on the inner wall of the mixing barrel (1), a transmission shaft (3) rotatably connected in the middle of the filter screen (2) by a bearing; The transmission shaft (3) is provided with a crushing knife (4) at the upper position of the filter screen (2), and the transmission shaft (3) is provided with a stirring blade (5) at the lower position of the filter screen (2).

3. The mixing device for devulcanization and plasticization of waste rubber according to claim 2, wherein The drive assembly includes a moving plate (6) vertically sliding on the outer wall of the mixing barrel (1), and a motor (7) vertically arranged on the moving plate (6); The output shaft of the motor (7) is provided with a rotating rod (8), the upper portions of the rotating rod (8) and the transmission shaft (3) are both provided with a belt pulley (9), the two belt pulleys (9) are connected by a belt transmission, the rotating rod (8) is rotatably connected with a synchronous rod (10), and one end of the synchronous rod (10) is rotatably connected with the transmission shaft (3).

4. The mixing device for devulcanization and plasticization of waste rubber according to claim 3, wherein The lifting assembly includes a support plate (11) arranged on the mixing barrel (1) and below the moving plate (6), and an electric push rod (12) arranged on the support plate (11); The output shaft of the electric push rod (12) is connected with the moving plate (6).

5. The mixing device for devulcanization and plasticization of waste rubber according to claim 1, wherein The bottom of the mixing barrel (1) is detachably connected with a discharge hopper (13) through bolts, and the discharge hopper (13) is provided with a valve (14).

6. The mixing device for devulcanization and plasticization of waste rubber according to claim 5, wherein The bottom of the mixing barrel (1) is provided with a supporting leg (15).

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