CN212827018U

CN212827018U - Double-screw extrusion device

Info

Publication number: CN212827018U
Application number: CN202021304141.XU
Authority: CN
Inventors: 尚严鹏; 颜英杰; 李国超; 陈洪
Original assignee: SHANGHAI YANNUO ELECTROMAGNETIC TECHNOLOGY APPLICATION CO LTD
Current assignee: SHANGHAI YANNUO ELECTROMAGNETIC TECHNOLOGY APPLICATION CO LTD
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-30
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a double-screw extrusion device, belonging to the technical field of mechanical equipment, comprising a motor, a speed reducer, a gear box, a tightening device, a control panel and a PLC board, wherein the gear box comprises a box body and a gear I, gear II, gear III, gear IV, gear V, gear shaft I and gear shaft II, screw drive shaft's left end is fixed in the gear box through fixing bearing I, screw drive shaft's right-hand member is fixed in the bearing bracket through fixing bearing II, the last fixed anti-spiral feed bar that is equipped with of screw drive shaft, screw drive shaft drives anti-spiral feed bar rotation, screw drive shaft is last still to be equipped with retainer plate I and retainer plate II, gear III and screw drive shaft swing joint, positive spiral feed bar top is equipped with feed inlet I, feed inlet I's below is equipped with circular-arc screen panel, circular-arc screen panel right side is equipped with the cartridge filter, the technical problem that prior art extrusion effect is poor and manufacturing cost is higher has been solved.

Description

Double-screw extrusion device

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically a double screw extrusion device.

Background

The CN00811887.6 application discloses an extrusion cylinder for a twin-screw extruder, in which the extrusion cylinder (1) forms an extrusion chamber (2) around the twin screw of the extruder, and the extrusion cylinder itself is surrounded by a hollow cylindrical jacket (10) with a smooth inner surface, at least one helical channel (3) extending in the longitudinal direction of the extrusion cylinder (1) is formed outside the extrusion cylinder (1), and can be connected to the supply and discharge lines (12, 13) for a temperature-controlled medium that can flow, and is radially closed by the hollow cylindrical jacket (10) at least along part of the circumference of the extrusion cylinder (11). At least one channel (3) is formed on the extrusion cylinder (1) by a helical rotary process, and the at least one channel (3) is closed over the entire circumference by a hollow-cylindrical jacket (10). The radial thread depth of the at least one channel (3) varies along the circumference of the extrusion cylinder (1) in such a way that it is at a maximum in those regions of the extrusion cylinder (1) where the original wall thickness is the largest and at a minimum in those regions of the extrusion cylinder (1) where the original wall thickness is the smallest. However, the above patents have the following disadvantages: the structure of 1 is comparatively complicated, owing to adopted the design of the horizontal biax of horizontal plane to cause the manufacturing cost of product higher, be unfavorable for comprehensive popularization and application, 2 extruded effect is not showing remarkably, and we need a section extrusion effect to show and manufacturing cost is lower, more be suitable for the product of comprehensive popularization and application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a twin-screw extrusion device to solve the problem that proposes in the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme:

the double-screw extrusion device comprises a motor, a speed reducer, a gear box, a tightening device, a control panel and a PLC (programmable logic controller) plate, wherein the control panel is connected with the PLC plate to control the start and stop of each component, the tightening device comprises an adjusting head, a tightening threaded rod, an adjusting rod and an adjusting spring, the adjusting head is sleeved on the right side of a reverse screw feeding rod, the right end of the adjusting head is sleeved on the tightening threaded rod, the tightening threaded rod is sleeved on a screw transmission shaft, the right side of the tightening threaded rod is connected with a support frame II through a flange, the motor is connected with the speed reducer, the speed reducer outputs power through a reduction gearbox transmission shaft, the gear box comprises a box body, a gear I, a gear II, a gear III, a gear IV, a gear V, a gear shaft I and a gear shaft II, the transmission shaft is connected with the gear shaft I in the gear box, the gear I is respectively meshed, the left end of a screw transmission shaft is fixed in a gear box through a fixed bearing I, the right end of the screw transmission shaft is fixed in a bearing frame through a fixed bearing II, a gear II is fixed at the left end of the screw transmission shaft, a reverse screw feed rod is also fixedly arranged on the screw transmission shaft, the screw transmission shaft drives the reverse screw feed rod to rotate, the screw diameter of the reverse screw feed rod is gradually increased from left to right to form a conical surface, so that the water squeezing rate is prevented from being increased by the outflow of water from the right side, a fixed ring I and a fixed ring II are also arranged on the screw transmission shaft, the positive screw feed rod is sleeved on the fixed ring I and the fixed ring II, and a gap is reserved between the positive screw feed rod and the screw transmission shaft, so that the rotation of the screw transmission shaft cannot drive the rotation of the positive screw feed rod, the right end of the gear III is connected with, gear III and screw drive shaft swing joint, gear III can be around screw drive shaft free rotation, positive spiral feed rod top is equipped with feed inlet I, the below of feed inlet is equipped with circular-arc screen panel, circular-arc screen panel right side is equipped with the cartridge filter, the shape of cartridge filter is cylindric cover on positive spiral feed rod and anti-spiral feed rod and leaves the clearance, a set of hole that leaks has evenly been seted up on circular-arc screen panel and the cartridge filter, circular-arc screen panel and cartridge filter are connected through the flange, the right side of cartridge filter is connected with support frame I through the flange, the right side of cartridge filter still is equipped with tightening means, positive spiral feed rod reverse rotation pushes the material right, anti-spiral feed rod forward rotation extrudees the material right, thereby the material is crowded dry with the material under the combined action of positive spiral feed rod and. The utility model discloses can be applied to each needs with material extruded field, when being used for kitchen refuse handling installation, feed inlet I's top is equipped with breaker, breaker is connected with crushing motor, crushing motor drives breaker and smashes back with rubbish and enters feed inlet I, feed inlet I's below is equipped with the water receiving tank, be equipped with the outlet pipe on the water receiving tank, breaker's top is connected with feed inlet II, double screw extrusion device is fixed in the main frame, be equipped with the sliding door around the main frame respectively, be equipped with the hasp on every sliding door.

Compared with the prior art, the beneficial effects of the utility model are that: the extrusion effect is better, and the extrusion device is suitable for treating various household garbage, such as pre-meal garbage and post-meal garbage, and after the treatment is finished, the residue is less, the extrusion effect is improved by more than 50% compared with the existing single-screw extrusion effect, the cost is reduced by more than 15% compared with the existing double-shaft double-screw extrusion effect, and the extrusion effect is improved by more than 30% compared with the double-shaft double-screw extrusion effect.

Drawings

FIG. 1 is a sectional view of the twin-screw extruding apparatus according to the present invention.

Fig. 2 is a plan view of the twin-screw extrusion apparatus of the present invention.

Fig. 3 is a perspective view of the twin-screw extrusion device of the present invention.

Fig. 4 is a sectional structure view of the twin-screw extruding device of the present invention used for kitchen garbage disposal.

Fig. 5 is a perspective view of the twin-screw extrusion device of the present invention used for kitchen waste disposal.

FIG. 6 is an internal structure view of the present gear case.

Detailed Description

Example 1

As shown in fig. 1-6:

the double-screw extrusion device comprises a motor 3, a speed reducer 4, a gear box 5, a tightening device, a control panel and a PLC (programmable logic controller) plate, wherein the control panel is connected with the PLC plate to control the start and stop of each component, the tightening device comprises an adjusting head, a tightening threaded rod, an adjusting rod and an adjusting spring, the adjusting head is sleeved on the right side of a reverse screw feeding rod, the right end of the adjusting head is sleeved on the tightening threaded rod, the tightening threaded rod 1 is sleeved on a screw transmission shaft 21, the right side of the tightening threaded rod 17 is connected with a support frame II27 through a flange, the motor 3 is connected with the speed reducer 4, the speed reducer 4 outputs power through a reduction gearbox transmission shaft 6, the transmission shaft 6 is connected with a gear shaft I8 in the gear box 5, the transmission shaft 6 drives a gear shaft I8 to rotate, the gear box 5 comprises a box body, a gear I1, a gear II2, a gear III7, a gear IV9, gear I1 meshes with gear II2 and gear V10 respectively, gear V10 and gear IV9 are respectively arranged on gear shaft II32 from left to right, the left end of screw transmission shaft 21 is fixed in gear box 5 through fixing bearing I23, the right end of screw transmission shaft 21 is fixed in the bearing bracket through fixing bearing II22, gear II2 is fixed at the left end of screw transmission shaft 21, reverse screw feeding rod 12 is also fixed on screw transmission shaft 21, screw transmission shaft 21 drives reverse screw feeding rod 12 to rotate, the screw diameter of reverse screw feeding rod 12 gradually increases from left to right to form a conical surface, screw transmission shaft 21 is also provided with fixing ring I24 and fixing ring II25, positive screw feeding rod 11 is sleeved on fixing ring I24 and fixing ring II25, the rotation of screw transmission shaft 21 does not drive the rotation of positive screw feeding rod 11, the right end of gear III7 is connected with positive screw feeding rod 11, the rotation of gear III7 drives the rotation of positive screw feeding rod 11 to rotate, the gear III7 is movably connected with the screw transmission shaft 21, the gear III7 can freely rotate around the screw transmission shaft 21, a feed inlet I39 is arranged above the forward spiral feeding rod 11, an arc-shaped mesh enclosure 38 is arranged below the feed inlet 39, a filter cartridge 14 is arranged on the right side of the arc-shaped mesh enclosure 38, the filter cartridge 14 is in a cylindrical shape and is sleeved on the forward spiral feeding rod 11 and the reverse spiral feeding rod 12, a gap is reserved between the forward spiral feeding rod 11 and the reverse spiral feeding rod 12 and the filter cartridge 14, the gap ensures that the forward spiral feeding rod 11 and the reverse spiral feeding rod 12 do not collide with each other, a group of water leakage holes are uniformly formed in the arc-shaped mesh enclosure 38 and the filter cartridge 14 and used for discharging water extruded by materials, the arc-shaped mesh enclosure 38 and the filter cartridge 14 are connected through flanges, the right side of the filter cartridge 14 is connected with, the material is extruded to the right side in the forward rotation of anti-spiral feed rod 12 to the material is crowded futilely under the combined action of positive spiral feed rod 11 and anti-spiral feed rod 12, forms the extrusion promptly at the junction of positive spiral feed rod 11 and the two of spiral feed rod 12. The utility model discloses can be used to on the kitchen refuse handling installation, top at feed inlet I39 is equipped with breaker 13, breaker 13 is current technique, the breaker promptly, can be used to broken fixed article and food and beverage rubbish, breaker 13 is connected with crushing motor 31, crushing motor 31 drives breaker 13 and goes into feed inlet I39 after smashing rubbish, feed inlet I39's below is equipped with water receiving tank 29, be equipped with outlet pipe 35 on the water receiving tank 29, breaker 13's top is connected with feed inlet II33, in the twin-screw extrusion device is fixed in main frame 28, main frame 28 be equipped with sliding door 36 all around respectively, be equipped with hasp 37 on every sliding door 36, can watch after sliding door 36 is opened to the hasp 37, the utility model discloses an inner structure, the utility model discloses a working principle as follows: the material is crushed by the crushing device to facilitate the extrusion of garbage or material, the crushed material forms extrusion under the combined action of a positive screw feeding rod and a negative screw feeding rod, wherein a transmission shaft of a reduction gearbox rotates anticlockwise, so that a gear I1 rotates anticlockwise, a gear I1 drives a gear II2 and a gear V10 to rotate clockwise respectively, the gear II2 drives a screw transmission shaft 21 to rotate clockwise, the screw transmission shaft 21 drives a negative screw feeding rod 12 to rotate clockwise and extrude the material to the right, the gear V10 drives a gear V9 to rotate clockwise, the gear IV9 is meshed with a gear III7, so that a gear III7 rotates anticlockwise, the gear III7 drives the positive screw feeding rod 11 to rotate anticlockwise and convey the material to the right, so that the material is extruded under the combined action of the positive screw feeding rod and the negative screw feeding rod 12 to form drier material, putting 100KG kitchen waste into kitchen waste treatment equipment, turning on a power switch, crushing the materials under the action of a crusher, and then extruding the materials in an extruding device to obtain 5.95KG of drier materials and 93.5KG of water; putting 50KG kitchen waste into kitchen waste treatment equipment, turning on a power switch, starting a crusher and an extrusion device, crushing the materials under the action of the crusher, and then extruding the materials in the extrusion device to obtain dry materials with the weight of 3.15KG and the water content of 66 KG; putting 10KG kitchen waste into kitchen waste treatment equipment, turning on a power switch, crushing the materials under the action of a crusher, and then extruding the materials in an extruding device to obtain dry materials with the weight of 0.8KG and the water content of 9.15 KG; and the extruded material residue can not extrude water again in appearance. The utility model can independently open and close each part, the operation is convenient and fast, when a single screw extrusion device is adopted for extrusion, every 100KG of kitchen garbage is put into the kitchen garbage treatment equipment, a power switch is turned on, the material is crushed under the action of the crusher and then enters the extrusion device for extrusion, and the obtained drier material is 20KG and the water content is 79 KG; and the material residue seems to have much moisture on the surface, and the data can obviously show that the extrusion effect of the material can be better improved when the double-screw extrusion is adopted, and because the single-screw structure is adopted, the ideal effect can be achieved only by one motor, and the double-screw extrusion device has smaller volume than the traditional double-screw extrusion device, is lower in production cost and is suitable for comprehensive application and popularization.

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. Double screw extrusion device, including motor (3), speed reducer (4), gear box (5), tighten up the device, control panel (34) and PLC board, control panel (34) open with opening of each part of PLC board connection control, tighten up the device including adjusting head (20), tighten up threaded rod (17), adjust pole (18) and adjusting spring (19), adjust head (20) cover on the right side of reverse spiral pay-off pole (12), the right-hand member cover of adjusting head (20) is on tightening threaded rod (17), tighten up threaded rod (17) cover on screw drive shaft (21), the right side of tightening threaded rod (17) is connected through the flange with support frame II (27), motor (3) and speed reducer (4) are connected, speed reducer (4) are through reducing gear box transmission shaft (6) with power take off, its characterized in that: the transmission shaft (6) is connected with a gear shaft I (8) in the gear box (5), the gear box (5) comprises a box body, a gear I (1), a gear II (2), a gear III (7), a gear IV (9), a gear V (10), a gear shaft I (8) and a gear shaft II (32), the gear I (1) is arranged on the gear shaft I (8), the gear I (1) is respectively meshed with the gear II (2) and the gear V (10), the gear V (10) and the gear IV (9) are respectively arranged on the gear shaft II (32) from left to right, the left end of the screw transmission shaft (21) is fixed in the gear box (5) through a fixed bearing I (23), the right end of the screw transmission shaft (21) is fixed in a bearing frame through a fixed bearing II (22), the gear II (2) is fixed at the left end of the screw transmission shaft (21), a reverse spiral feeding rod (12) is further fixedly arranged on the screw transmission, the screw transmission shaft (21) drives the reverse screw feeding rod (12) to rotate, the diameter of a screw of the reverse screw feeding rod (12) is gradually increased from left to right to form a conical surface, a fixing ring I (24) and a fixing ring II (25) are further arranged on the screw transmission shaft (21), the positive screw feeding rod (11) is sleeved on the fixing ring I (24) and the fixing ring II (25), the positive screw feeding rod (11) cannot be driven to rotate by the rotation of the screw transmission shaft (21), the right end of the gear III (7) is connected with the positive screw feeding rod (11), the rotation of the gear III (7) drives the positive screw feeding rod (11) to rotate, the gear III (7) is movably connected with the screw transmission shaft (21), the gear III (7) can freely rotate around the screw transmission shaft (21), a feeding hole I (39) is arranged above the positive screw feeding rod (11), an arc-shaped mesh enclosure (38) is arranged below the feeding hole I (39), circular-arc screen panel (38) right side is equipped with cartridge filter (14), the shape of cartridge filter (14) is cylindric cover and just leaves the clearance on positive screw feed rod (11) and anti-screw feed rod (12), a set of hole that leaks has evenly been seted up on circular-arc screen panel (38) and cartridge filter (14), circular-arc screen panel (38) and cartridge filter (14) are connected through the flange, the right side of cartridge filter (14) is connected with support frame I (26) through the flange, the right side of cartridge filter (14) still is equipped with the tightening means, positive screw feed rod (11) reverse rotation is with the material propelling movement right, anti-screw feed rod (12) forward rotation is with the material extrusion right, thereby the material is crowded dry with the material under the combined action of positive screw feed rod (11) and anti-screw feed rod (12).

2. A kitchen waste treatment apparatus comprising the twin screw extruder apparatus of claim 1, wherein: the top of feed inlet I (39) is equipped with breaker (13), breaker (13) are connected with broken motor (31), broken motor (31) drive breaker (13) and smash back rubbish and get into feed inlet I (39), the below of feed inlet I (39) is equipped with water receiving tank (29), be equipped with outlet pipe (35) on water receiving tank (29), the top of breaker (13) is connected with feed inlet II (33), twin-screw extrusion device is fixed in main frame (28), be equipped with sliding door (36) around main frame (28) respectively, be equipped with hasp (37) on every sliding door (36), feed inlet II (33) structure is the trapezoidal structure of falling.