CN212979190U

CN212979190U - Double-screw extrusion equipment for rubber production

Info

Publication number: CN212979190U
Application number: CN202021817179.7U
Authority: CN
Inventors: 曹后生
Original assignee: Ningbo Shangen Polymer Material Co ltd
Current assignee: Ningbo Shangen Polymer Material Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-16
Anticipated expiration: 2030-08-26

Abstract

The utility model provides a pair of double screw extrusion equipment for rubber production, including frame, headstock, rubber pan feeding device and extruder, frame bottom border is equipped with the foot rest, the frame top is equipped with a plurality of elasticity support frames, elasticity support frame top is equipped with the extruder, the extruder left side is equipped with the headstock, the headstock top is equipped with the controller, the extruder top is equipped with rubber pan feeding device, rubber pan feeding device front end is equipped with the filter screen and changes the platform, the extruder right-hand member is equipped with the conveyer belt. The utility model discloses the relative hob that sets up of installation in the extruder, the thread groove can break away the pressfitting once more with rubber feedstock, can catch up with out the gas in the rubber feedstock, can break away the modified rubber raw materials that changes over to and change over to the extruder inner chamber after integrating, extrude the rubber that will have integrated by extrusion mechanism and pass to the conveyer belt, and two screws set up in the extruder relatively, can accelerate rubber pressfitting and extrusion speed, improve rubber machining efficiency.

Description

Double-screw extrusion equipment for rubber production

Technical Field

The utility model relates to a rubber apparatus for producing designs technical field, in particular to rubber production is with twin-screw extrusion equipment.

Background

With the development of science and technology, the extrusion molding process is suitable for all polymer materials, almost all thermoplastic rubbers can be molded, and the extrusion molding process can also be used for partial thermosetting rubbers. In addition, extrusion processes are also commonly used for coloring, kneading, etc. of rubbers. The extrusion equipment comprises two categories of screw extruders and plunger extruders, wherein the screw extruders are divided into single-screw extruders and multi-screw extruders, and the double-screw extruders in the multi-screw extruders are developed fastest in recent years and are applied widely. In the process of manufacturing rubber, often need use double screw extruder, present double screw extruder, its extrusion efficiency is lower, when people throw the material to the extruder, causes double screw extruder hopper to appear blockking up easily, and inconvenient people use, has reduced the production efficiency of rubber, and its maintenance cost is higher to double screw extruder's practicality has been reduced. Therefore, a double-screw extrusion device for rubber production is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of providing a double-screw extrusion device for rubber production, which solves the problems of automatic extrusion of rubber raw materials, blockage of a channel due to rubber caking and higher maintenance cost in the prior art; the purpose of improving the extrusion production efficiency of rubber and reducing the labor cost of rubber production is achieved, and the stability of rubber extrusion equipment in the working process is improved.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides a double screw extrusion equipment for rubber production, includes frame, headstock, rubber pan feeding device and extruder, frame bottom border is equipped with the foot rest, the frame top is equipped with a plurality of elasticity support frames, elasticity support frame top is equipped with the extruder, the extruder left side is equipped with the headstock, the headstock top is equipped with the controller, the extruder top is equipped with rubber pan feeding device, rubber pan feeding device front end is equipped with the filter screen and changes the platform, the extruder right-hand member is equipped with the conveyer belt.

As a preferred embodiment of the present invention, wherein: the left end of the power box is set to be a fixed table, the front end of the right side of the fixed table is provided with a motor fixing frame II, the right side of the motor fixing frame II is provided with a motor II, a motor fixing frame I is arranged behind the motor fixing frame II, and a motor I is arranged on the right side of the motor fixing frame I.

As a preferred embodiment of the present invention, wherein: the rubber pan feeding device inner chamber is equipped with the teeter chamber, the teeter chamber bottom is equipped with the mount, mount central authorities are equipped with the rotation motor, it is equipped with the pivot to rotate the motor top, the pivot top is equipped with the bearing, both ends are equipped with the stirring frame respectively about the bearing, be equipped with spiral helicine magnetic adsorption circle in the pivot.

As a preferred embodiment of the present invention, wherein: the extruder inner wall is provided with a heat preservation interlayer, a first screw rod is arranged at the rear of an inner cavity of the extruder, the left end of the first screw rod is connected with a first motor through a first rotating shaft, a second screw rod is arranged in front of the first screw rod and connected with a second motor through a second rotating shaft, an extruding mechanism is arranged at the right end of the extruder, an extruder port is arranged in the center of the extruding mechanism, an extruding channel is arranged at the bottom end of the extruder port, and extruding devices are arranged at the front end and the rear end of the extruder port respectively.

Furthermore, a control panel is arranged at the front end of the controller, and a system switch, a motor switch and an extruder work control button are arranged at the bottom end of the control panel.

Further, a feeding channel is arranged at the bottom end of the fixing frame, a first filter screen is arranged at the bottom end of the feeding channel, a second filter screen is arranged at the bottom end of the first filter screen, and the bottom end of the feeding channel extends into the extruder.

Furthermore, spiral grooves with the same specification are respectively arranged on the first screw rod and the second screw rod, and the groove walls of the spiral grooves of the first screw rod and the second screw rod are arranged oppositely.

Further, both ends are equipped with buffer respectively about rubber pan feeding device bottom, buffer bottom is located the extruder top.

Further, extrude the passageway outer end and be equipped with the transfer passage, establish to the conveyer belt below the transfer passage, the conveyer belt bottom is equipped with refrigerating plant, the refrigerating plant is equipped with the vertical cold wind mouth that corresponds the conveyer belt.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. the utility model provides a pair of twin-screw extrusion equipment is used in rubber production, its extruder inner wall sets up the heat preservation intermediate layer, can completely cut off the influence of ambient temperature to the inside temperature of extruder, guarantee the heat preservation effect of extruder inside temperature to rubber extrusion homogeneity, the relative hob that sets up of installation in the extruder, the thread groove can break away rubber materials pressfitting once more, can catch up out the gas in the rubber materials, play the homogeneity effect to it, can break away the modified rubber materials who changes over to and change over to the extruder inner chamber after integrating, extrude the conveyer belt by the rubber that extruding means will have integrated, two screws set up in the extruder relatively, can accelerate rubber pressfitting and extrusion speed, improve rubber machining efficiency.

2. This technical scheme sets up extrusion device in the extrusion mechanism outer end, can reach the rubber column further extrusion in the extrusion mechanism with the extruder, drives out the bubble in the rubber, standardizes the shape of extruding of rubber to arrange the rubber column to transfer passage in extruding the passageway, transport it to next production line by the conveyer belt, in the transportation, the air-cooler blows cold air to finished product transfer passage, the rubber column of being convenient for solidifies the shaping.

3. This technical scheme sets up stirring motor area stirring frame in rubber pan feeding device and stirs the rubber materials who just goes into in the hopper, the raw materials to just going into the hopper carry out primary mixing, during this period, the magnetic adsorption circle that sets up in the pivot adsorbs the metal particle that contains in the rubber materials, metal impurity in the rubber materials is tentatively got rid of, rubber through stirring homogeneity gets into the extruder by the pan feeding passageway, filter screen one and two filters the impurity in the rubber materials respectively of filter screen, guarantee the purity degree of the rubber that gets into the extruder, can open the filter screen and change the platform, change the two-layer filter screen that has impurity.

Drawings

FIG. 1 is a schematic structural view of a twin-screw extrusion apparatus for rubber production according to the present invention;

FIG. 2 is a sectional view of the internal components of a twin-screw extrusion apparatus for rubber production according to the present invention;

FIG. 3 is a schematic structural view of the area A of the twin-screw extrusion apparatus for rubber production according to the present invention;

FIG. 4 is a plan view of a twin-screw mounting structure of a twin-screw extrusion apparatus for rubber production according to the present invention;

FIG. 5 is a schematic structural diagram of an extruding mechanism of a twin-screw extruding device for rubber production.

Wherein: the device comprises a frame 1, a foot rest 2, a power box 3, a fixed table 31, a motor fixed frame I32, a motor fixed frame II 33, a motor I34, a motor II 35, a controller 4, a rubber feeding device 5, a bearing 51, a stirring frame 52, a rotating shaft 53, a magnetic adsorption ring 54, a rotating motor 55, a stirring chamber 56, a buffer device 57, a feeding channel 58, a filter screen I59, a filter screen II 510, an extruder 6, a heat-insulating interlayer 61, a screw rod I62, a screw rod II 63, an extrusion mechanism 64, an extrusion device 65, an extrusion device 66, an extrusion port 67, an extrusion channel 7, an elastic supporting frame 7, a conveyor belt 8, a conveying channel 81, a refrigerating device 82, a cold air port 83 and a filter screen changing table 9.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1-5, the utility model provides a pair of twin-screw extrusion equipment is used in rubber production, which comprises a frame 1, headstock 3, rubber pan feeding device 5 and

extruder

6, 1 bottom border in frame is equipped with

foot rest

2, 1 top in frame is equipped with a plurality of

elastic support frame

7, 7 tops of elastic support frame are equipped with

extruder

6, 6 left sides in extruder are equipped with headstock 3, headstock 3 top is equipped with

controller

4, 6 tops in extruder are equipped with rubber

pan feeding device

5, 5 front ends in rubber pan feeding device are equipped with filter

screen replacement platform

9, 6 right-hand members in extruder are equipped with conveyer belt 8, after rubber raw materials got into extruder 6 via rubber pan feeding device 5, through the inside extrusion structure of extruder 6 with its extrusion, transport the next production line with the rubber post by conveyer belt 8.

The left end of the power box 3 is set to be a fixing table 31, the front end of the right side of the fixing table 31 is provided with a motor fixing frame II 33, the right side of the motor fixing frame II 33 is provided with a motor II 35, a motor fixing frame I32 is arranged behind the motor fixing frame II 33, a motor I34 is arranged on the right side of the motor fixing frame I32, the fixing table 31 is used for installing the two motor fixing frames, and then the two motors are installed to respectively control the rotation of the screw rod I62 and the screw rod II 63.

5 inner chambers of rubber pan feeding device are equipped with

teeter chamber

56, 56 bottoms of teeter chamber are equipped with the mount, mount central authorities are equipped with rotation motor 55, it is equipped with pivot 53 to rotate motor 55 top, pivot 53 top is equipped with bearing 51, both ends are equipped with stirring frame 52 respectively about bearing 51, be equipped with spiral helicine magnetic adsorption circle 54 on the pivot 53, it rotates fast to rotate motor 55 and drive pivot 53, it stirs to the rubber that gets into in teeter chamber 56 to drive stirring frame 52, carry out preliminary mixing to the raw materials of just entering rubber pan feeding device 5, during this period, the magnetic adsorption circle 54 that sets up on the pivot 53 can adsorb the metal particle that contains in the rubber raw materials, metal impurity in the rubber raw materials is tentatively got rid of, the rubber through preliminary stirring homogeneity gets into extruder 6 by pan feeding passageway 58.

The inner wall of the extruder 6 is provided with a heat insulation interlayer 61, the rear part of the inner cavity of the extruder 6 is provided with a screw rod I62, the left end of the screw rod I62 is connected with a motor I34 through a rotating shaft I, the front part of the screw rod I62 is provided with a screw rod II 63, the screw rod II 63 is connected with a motor II 35 through a rotating shaft II, the right end of the extruder 6 is provided with an extruding mechanism 64, the center of the extruding mechanism 64 is provided with an extruder port 66, the bottom end of the extruder port 66 is provided with an extruding channel 67, the front end and the rear end of the extruder port 66 are respectively provided with an extruding device 65, the heat insulation interlayer 61 can isolate the influence of the external temperature on the internal temperature of the extruder 6, the heat insulation effect of the internal temperature of the extruder 6 on the homogenization of rubber extrusion is ensured, the two screw rods in the extruder 6 operate to extrude the rubber into an extruded shape, the rubber extrudate is re-extruded in volume by the extruder device 65 and enters the extruder port 66 and is discharged from the extrusion channel 67.

The front end of the controller 4 is provided with a control panel, the bottom end of the control panel is provided with a system switch, a motor switch and working control buttons of the extruder 6, each working button can respectively control the initial working state of each electrical component, and the working adjustment is carried out by the control end after the parameters of each electrical component are set on the control panel.

The mount bottom is equipped with pan feeding passageway 58, pan feeding passageway 58 bottom is equipped with filter screen one 59, filter screen one 59 bottoms is equipped with filter screen two 510, pan feeding passageway 58 bottom extends into extruder 6 in, rubber is after the stirring homogeneity, get into extruder 6 duration by pan feeding passageway 58, pass through two-layer filter earlier, filter screen one 59 and filter screen two 510 filter the impurity in the rubber feedstock respectively, guarantee the pure degree of the rubber that gets into extruder 6, can open the filter screen and change platform 9, change the two-layer filter who has impurity.

The

screw rods

62 and 63 are respectively provided with spiral grooves with the same specification, the groove walls of the spiral grooves of the

screw rods

62 and 63 are arranged oppositely, the specifications of the spiral grooves on the surfaces of the

screw rods

62 and 63 are the same, the screw grooves can disperse the rubber raw materials and press the rubber raw materials again in the running process of the two screw rods, gas in the rubber raw materials can be expelled, the rubber raw materials are homogenized, the rotated rubber raw materials can be rotated into the extruding mechanism 64 after being dispersed and integrated, the integrated rubber is extruded by the extruding mechanism 64, the two screw rods are arranged oppositely in the extruder 6, the rubber extruding speed can be accelerated, and the rubber processing efficiency is improved.

Both ends are equipped with buffer 57 respectively about rubber pan feeding device 5 bottom, and 6 tops on the extruder are located to buffer 57 bottom, and buffer 57 top supports rubber pan feeding device 5, and the bottom supports extruder 6, can reduce the influence of the vibration in the rubber pan feeding device 5 to extruder 6.

Extrude passageway 67 outer end and be equipped with transfer passage 81, transfer passage 81 below is established to

conveyer belt

8, 8 bottom of conveyer belt are equipped with refrigerating plant 82, be equipped with vertical cold wind mouth 83 that corresponds conveyer belt 8 in the refrigerating plant 82, rubber passes to conveyer by extruding passageway 67 after 6 extrudees, it makes rubber upload to next production line from conveyer belt 8 to last to change the material, in the transportation, the air-cooler blows cold gas to finished product transfer passage 81, the rubber column of being convenient for solidifies the shaping.

The utility model provides a pair of twin-screw extrusion equipment for rubber production, throw the material device and drop into rubber raw materials in rubber pan feeding device 5, agitator motor drives pivot and stirring frame 52 and rotates fast, it absorbs the metallic impurity in the rubber raw materials to drive magnetic adsorption circle 54, the rubber raw materials that preliminary mixing was handled filters behind impurity through the two-layer filter screen in pan feeding passageway 58 and gets into extruder 6 inside, two motors drive screw rod 62 and screw rod two 63 respectively and rotate, will transfer to the rubber raw materials extrusion processing once more of 6 inner chambers of extruder, and integrate into new rubber column via extruding means 64 and transport to conveyer belt 8 on, make things convenient for extrusion moulding's rubber to carry out operating procedure on next step.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A double-screw extrusion device for rubber production comprises a rack (1), a power box (3), a rubber feeding device (5) and an extruder (6), and is characterized in that a foot rest (2) is arranged at the edge of the bottom end of the rack (1), a plurality of elastic support frames (7) are arranged at the top end of the rack (1), the extruder (6) is arranged at the top end of each elastic support frame (7), the power box (3) is arranged on the left side of the extruder (6), a controller (4) is arranged above the power box (3), the rubber feeding device (5) is arranged at the top end of the extruder (6), a filter screen replacing table (9) is arranged at the front end of the rubber feeding device (5), and a conveyor belt (8) is arranged at the right end of the extruder (6);

the left end of the power box (3) is provided with a fixed table (31), the front end of the right side of the fixed table (31) is provided with a second motor fixing frame (33), the right side of the second motor fixing frame (33) is provided with a second motor (35), the rear of the second motor fixing frame (33) is provided with a first motor fixing frame (32), and the right side of the first motor fixing frame (32) is provided with a first motor (34);

the inner cavity of the rubber feeding device (5) is provided with a stirring chamber (56), the bottom end of the stirring chamber (56) is provided with a fixed frame, the center of the fixed frame is provided with a rotating motor (55), the top end of the rotating motor (55) is provided with a rotating shaft (53), the top end of the rotating shaft (53) is provided with a bearing (51), the left end and the right end of the bearing (51) are respectively provided with a stirring frame (52), and the rotating shaft (53) is provided with a spiral magnetic adsorption ring (54);

wherein, extruder (6) inner wall is equipped with heat preservation intermediate layer (61), extruder (6) inner chamber rear is equipped with screw rod (62), screw rod (62) left end through pivot one with motor (34) are connected, screw rod (62) the place ahead is equipped with screw rod two (63), screw rod two (63) through pivot two with motor two (35) link to each other, extruder (6) right-hand member is equipped with extrusion mechanism (64), extrusion mechanism (64) central authorities are equipped with extruder port (66), extruder port (66) bottom is equipped with extrudees passageway (67), both ends are equipped with extrusion device (65) respectively around extruder port (66).

2. The twin-screw extrusion equipment for rubber production as claimed in claim 1, wherein the controller (4) is provided with a control panel at the front end, and the bottom end of the control panel is provided with a system switch, a motor switch and an extruder operation control button.

3. The twin-screw extrusion device for rubber production as defined in claim 1, wherein the bottom end of the fixing frame is provided with a feeding channel (58), the bottom end of the feeding channel (58) is provided with a first filter screen (59), the bottom end of the first filter screen (59) is provided with a second filter screen (510), and the bottom end of the feeding channel (58) extends into the extruder (6).

4. The twin-screw extrusion device for rubber production as defined in claim 1, wherein the first screw (62) and the second screw (63) are respectively provided with spiral grooves of uniform size, and the wall of the spiral groove of the first screw (62) is opposite to that of the spiral groove of the second screw (63).

5. The twin-screw extrusion equipment for rubber production as claimed in claim 1, wherein the left and right ends of the bottom of the rubber feeding device (5) are respectively provided with a buffer device (57), and the bottom end of the buffer device (57) is arranged at the top end of the extruder (6).

6. The twin-screw extrusion equipment for rubber production as defined in claim 1, wherein the outer end of the extrusion channel (67) is provided with a conveying channel (81), a conveyor belt (8) is arranged below the conveying channel (81), the bottom end of the conveyor belt (8) is provided with a refrigerating device (82), and the refrigerating device (82) is internally provided with a cold air port (83) which vertically corresponds to the conveyor belt (8).