CN211868574U

CN211868574U - Miniature double screw extruder

Info

Publication number: CN211868574U
Application number: CN201922468917.5U
Authority: CN
Inventors: 赵雷网; 范海斌
Original assignee: Nanjing Kerui Extrusion Machinery Co ltd
Current assignee: Nanjing Kerui Extrusion Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-06
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a miniature double-screw extruder, which belongs to the technical field of extruders, and comprises a device main body, wherein the upper end of the outer side wall of the device main body is fixedly connected with a feeding port, the right side of the device main body is provided with a first gear and a second gear, the first gear is meshed with the second gear, the centers of the first gear and the second gear are all connected with a rotating shaft in a penetrating way, the right end of the rotating shaft positioned below is provided with a rotating motor, the left ends of the two rotating shafts are both provided with mounting blocks, the left sides of the two mounting blocks are both fixedly connected with screws, and the front side and the rear side of the outer wall of the device main; inside putting into the device main part with the material through the pan feeding mouth, start the rotating electrical machines and make first gear drive second gear revolve, and then drive two screw rods and rotate, with the rotatory promotion of material to device main part left side, the industry heating pad melts the material heating and extrudes to the mould in, after the experiment was accomplished, dismantles installation piece and pivot, clears up the device main part is inside.

Description

Miniature double screw extruder

Technical Field

The utility model relates to an extruder technical field, in particular to miniature double screw extruder.

Background

The auxiliary machine of the double-screw extruder unit mainly comprises a pay-off device, a straightening device, a preheating device, a cooling device, a traction device, a meter counter, a spark tester and a take-up device; the extruder unit has different uses and different auxiliary equipment, such as a cutter, a blow dryer, a printing device, etc.

The existing double-screw extruder is large in size and complex in structure, and the machine barrels are all processed into sectional types and cannot be disassembled, so that the double-screw extruder is inconvenient to use in a laboratory and inconvenient to clean the extruder after an experiment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a miniature double screw extruder has the characteristics that can use in the laboratory, and is convenient for clear up the extruder after the experiment.

The utility model discloses a realize like this, a miniature double screw extruder, including the device main part, the upper end fixedly connected with pan feeding mouth of device main part lateral wall, the right side of device main part is provided with first gear and second gear, first gear is located the below of second gear and is connected with the meshing of second gear, the center of first gear and second gear all through connection has the pivot, and the rotating electrical machines is installed to the right-hand member of the pivot that is located the below, two the left end of pivot all runs through the device main part and extends to the inside of device main part, two the installation piece, two are all installed to the left end of pivot the equal fixedly connected with screw rod in left side of installation piece, two the equal fixedly connected with spiral leaf in the outside of screw rod, the equal swing joint in both sides has the industrial heating pad around the device main part outer wall.

For convenient installation and two pivots of dismantlement, as the utility model discloses a miniature double screw extruder is preferred, two the equal fixedly connected with stopper in upper and lower both sides of pivot, four the stopper all is located the left side of first gear and second gear, two the centre bore has all been seted up on the right side of installation piece, fixedly connected with buckle layer between centre bore and the installation piece, two spacing holes have been seted up on the right side on buckle layer.

In order to conveniently add the material in the inside of device main part, as the utility model discloses a miniature double screw extruder is preferred, the inner wall threaded connection of pan feeding mouth has the connecting pipe, the upper end fixedly connected with loading hopper of connecting pipe.

For convenient installation extrusion tooling and open the end cover and clear up the device main part is inside, conduct the utility model discloses a miniature twin-screw extruder is preferred, the left end threaded connection of device main part lateral wall has the end cover, the left side fixedly connected with discharging pipe of end cover.

For convenient at device main part externally mounted with dismantle the industry heating pad, as the utility model discloses a miniature double screw extruder is preferred, two the equal fixedly connected with in the outside of industry heating pad separates heat exchanger, two the hinge is installed to the lower extreme of separating heat exchanger, two the equal fixedly connected with fixed plate in upper end of separating heat exchanger, two the center through connection of fixed plate has the bolt.

For the convenience is supplied with electric power for the industry heating pad, as the utility model discloses a miniature twin-screw extruder is preferred, two the power cord is all installed to the outside of industry heating pad, two the power cord runs through two thermal-insulated shells respectively and extends to the outside of two thermal-insulated shells.

Resistance when in order to reduce device output material, as the utility model discloses a miniature twin-screw extruder is preferred, two the equal fixedly connected with of left end of screw rod is most advanced.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the rotating shaft is disassembled, the rotating shaft is pulled out rightwards, the rotating shaft drives the two limiting blocks to move rightwards from the limiting holes, the mounting blocks are blocked in the device main body, and then the two rotating shafts are disassembled to facilitate cleaning of the whole device;

2. the discharging pipe is connected with an access port of the die, so that the hot-melt material is extruded to the die by a convenient device, and after the experiment is completed and the two rotating shafts are disassembled, the end cover is screwed off, and the two screws are taken out and cleaned;

3. through wrapping up two industry heating pads in the outside of device main part, then through two fixed plates of bolted connection, and then fix the outside at the device main part with industry heating pad to the convenience heats the material in the device main part.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view showing an internal structure of the device body of the present invention;

FIG. 3 is a structural diagram of the mounting block and the rotating shaft of the present invention;

fig. 4 is a sectional view of the industrial heating mat and the heat insulating shell of the present invention.

In the figure: 1. a device main body; 101. a feeding port; 2. a hopper; 201. a connecting pipe; 3. a rotating electric machine; 4. a rotating shaft; 401. a limiting block; 5. a first gear; 501. a second gear; 6. mounting blocks; 601. a buckle layer; 6011. a limiting hole; 602. a central bore; 7. a screw; 701. helical leaves; 702. a tip; 8. an end cap; 801. a discharge pipe; 9. a thermally insulating shell; 901. an industrial heating mat; 902. a hinge; 903. a fixing plate; 904. A bolt; 905. a power line.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a miniature double screw extruder, including device main part 1, the upper end fixedly connected with pan feeding mouth 101 of 1 lateral wall of device main part, the right side of device main part 1 is provided with first gear 5 and second gear 501, first gear 5 is located second gear 501's below and is connected with the meshing of second gear 501, first gear 5 and second gear 501's center all through connection have pivot 4, rotating electrical machines 3 is installed to the right-hand member of pivot 4 that is located the below, the left end of two pivot 4 all runs through device main part 1 and extends to the inside of device main part 1, installation piece 6 is all installed to the left end of two pivot 4, the equal fixedly connected with screw rod 7 in left side of two installation pieces 6, the equal fixedly connected with spiral leaf 701 in the outside of two screw rods 7, the equal swing joint in both sides has industrial heating pad 901 around the device main part 1 outer wall.

In this embodiment: put into device main part 1 with the material through pan feeding mouth 101 inside, start rotating electrical machines 3 and make first gear 5 rotatory, and drive second gear 501 by first gear 5 and rotate, and then drive two pivots 4 and two screw rods 7 and rotate, promote the rotatory left side to device main part 1 with the material by spiral leaf 701, melt the material heating and extrude to the mould in through device main part 1 left end by industry heating pad 901, after the experiment is accomplished, dismantle installation piece 6 and pivot 4, and clear up device main part 1 inside, thereby make the device be applicable to the experiment and conveniently clear up.

As a technical optimization scheme, the equal fixedly connected with stopper 401 in the upper and lower both sides of two pivot 4, four stoppers 401 all are located first gear 5 and second gear 501's left side, and centre bore 602 has all been seted up on the right side of two installation pieces 6, fixedly connected with buckle layer 601 between centre bore 602 and the installation piece 6, and two spacing holes 6011 have been seted up on buckle layer 601's right side.

In this embodiment: when the rotating shaft 4 is disassembled, the rotating shaft 4 is pulled out rightwards, the rotating shaft 4 drives the two limiting blocks 401 to move rightwards from the limiting holes 6011, the mounting blocks 6 are blocked in the device main body 1, and then the two rotating shafts 4 are disassembled so that the whole device can be conveniently cleaned.

As a technical optimization scheme of the utility model, the inner wall threaded connection of pan feeding mouth 101 has connecting pipe 201, the upper end fixedly connected with loading hopper 2 of connecting pipe 201.

In this embodiment: 2 openings of loading hopper are great, can avoid the material to spill out for the device main part 1 is inside reinforced through loading hopper 2, and the connecting pipe 201 is twisted out to the spiral after the experiment is accomplished, and then conveniently clears up pan feeding mouth 101.

As a technical optimization scheme of the utility model, the left end threaded connection of 1 lateral wall of device main part has end cover 8, end cover 8's left side fixedly connected with discharging pipe 801.

In this embodiment: be connected through the access mouth of discharging pipe 801 and mould, and then make things convenient for the device to extrude the hot melt material to the mould, accomplish and dismantle two pivot 4 backs when the experiment, the end cover 8 is unscrewed to the spiral, and then takes out and clear up two screw rods 7.

As a technical optimization scheme of the utility model, the equal fixedly connected with in the outside of two industry heating pad 901 separates heat shell 9, and hinge 902 is installed to the lower extreme of two separate heat shell 9, and the equal fixedly connected with fixed plate 903 in the upper end of two separate heat shell 9, the center through connection of two fixed plates 903 has bolt 904.

In this embodiment: the two industrial heating mats 901 are wrapped on the outer side of the device body 1 and then connected with the two fixing plates 903 through the bolts 904, so that the industrial heating mats 901 are fixed on the outer side of the device body 1, and therefore materials in the device body 1 can be heated conveniently.

As a technical optimization scheme of the utility model, power cord 905 is all installed in two industry heating pad 901's the outside, and two power cords 905 run through two thermal-insulated shells 9 respectively and extend to two thermal-insulated shell 9's the outside.

In this embodiment: the other ends of the two power lines 905 are connected with an external power supply, so that electric power is provided for the industrial heating pad 901, and the materials inside the heating device main body 1 are convenient to heat.

As a technical optimization scheme of the utility model, the equal fixedly connected with of left end of two screws 7 is most advanced 702.

In this embodiment: by providing the tip 702 at the left end of the screw 7, the resistance to material transport can be reduced when the screw blade 701 rotationally pushes the material to the discharge pipe 801.

The working principle is as follows: the material is put into the device main body 1 through the feeding port 101, the rotating motor 3 is started to enable the first gear 5 to rotate, the first gear 5 drives the second gear 501 to rotate, the two rotating shafts 4 and the two screw rods 7 are driven to rotate, the material is rotationally pushed to the left side of the device main body 1 through the spiral blades 701, the material is heated and melted through the industrial heating pad 901 and extruded into a mold through the left end of the device main body 1, after an experiment is completed, the rotating shafts 4 are pulled out rightwards, the rotating shafts 4 drive the two limiting blocks 401 to move rightwards from the limiting holes 6011, the installation blocks 6 are blocked in the device main body 1, the two rotating shafts 4 are further detached, the end covers 8 are screwed off, the two screw rods 7 are further taken out and cleaned, the connecting pipe 201 is finally screwed out, and the feeding port 101 is cleaned.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A miniature twin-screw extruder, includes device main part (1), its characterized in that: the device is characterized in that a feeding port (101) is fixedly connected to the upper end of the outer side wall of the device body (1), a first gear (5) and a second gear (501) are arranged on the right side of the device body (1), the first gear (5) is located below the second gear (501) and meshed with the second gear (501), rotating shafts (4) are connected to the centers of the first gear (5) and the second gear (501) in a penetrating manner, a rotating motor (3) is installed at the right end of the rotating shaft (4) located below, the left ends of the two rotating shafts (4) penetrate through the device body (1) and extend into the device body (1), mounting blocks (6) are installed at the left ends of the two rotating shafts (4), screw rods (7) are fixedly connected to the left sides of the two mounting blocks (6), and spiral blades (701) are fixedly connected to the outer sides of the screw rods (7), the front side and the rear side of the outer wall of the device main body (1) are movably connected with industrial heating pads (901).

2. A miniature twin-screw extruder as claimed in claim 1, wherein: two equal fixedly connected with stopper (401) in upper and lower both sides of pivot (4), four stopper (401) all are located the left side of first gear (5) and second gear (501), two centre bore (602) have all been seted up on the right side of installation piece (6), fixedly connected with buckle layer (601) between centre bore (602) and installation piece (6), two spacing holes (6011) have been seted up on the right side of buckle layer (601).

3. A miniature twin-screw extruder as claimed in claim 1, wherein: the inner wall threaded connection of pan feeding mouth (101) has connecting pipe (201), the upper end fixedly connected with loading hopper (2) of connecting pipe (201).

4. A miniature twin-screw extruder as claimed in claim 1, wherein: the left end threaded connection of device main part (1) lateral wall has end cover (8), the left side fixedly connected with discharging pipe (801) of end cover (8).

5. A miniature twin-screw extruder as claimed in claim 1, wherein: the industrial heating pad comprises two heat insulation shells (9) fixedly connected to the outer sides of the industrial heating pads (901), hinges (902) are installed at the lower ends of the two heat insulation shells (9), fixing plates (903) are fixedly connected to the upper ends of the two heat insulation shells (9), and bolts (904) penetrate through the centers of the fixing plates (903).

6. A miniature twin-screw extruder as claimed in claim 1, wherein: and power lines (905) are arranged on the outer sides of the two industrial heating pads (901), and the two power lines (905) penetrate through the two heat insulation shells (9) respectively and extend to the outer sides of the two heat insulation shells (9).

7. A miniature twin-screw extruder as claimed in claim 1, wherein: the left ends of the two screw rods (7) are fixedly connected with pointed ends (702).