CN112477057A

CN112477057A - Double screw extruder that machining efficiency is high

Info

Publication number: CN112477057A
Application number: CN202011255897.4A
Authority: CN
Inventors: 陈明友
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-03-12

Abstract

The invention discloses a double-screw extruder with high processing efficiency, which comprises a base and a transmission shaft, wherein the shaft end of a driving motor is connected with the transmission shaft through a coupler, the right side of a first gear on the transmission shaft is connected with a second gear in a sliding way, the side surface of the second gear is fixedly connected with an electric telescopic rod, a spiral plate is fixedly connected with the transmission shaft, the side surface of a positioning ring is fixedly arranged at the end part of a cylinder wall, a positioning shaft is fixedly connected with a bottom plate of the base, the middle part of the positioning shaft is rotatably connected with a roller, the middle part of the roller is provided with a guide groove, the guide groove is rotatably connected with a roller, the roller is rotatably connected with a swing rod, a plurality of shock absorption assemblies which are distributed at equal intervals are arranged on the bottom plate of the base, the double-screw extruder is reasonable in integral structural design, convenient to mount, the operation burden of workers is reduced, the cost of the workers is reduced, and the working state is stable.

Description

Double screw extruder that machining efficiency is high

Technical Field

The invention relates to a screw extruder, in particular to a double-screw extruder with high processing efficiency.

Background

The screw extruder is a machine which can concentrate a series of chemical basic unit processes on screws in the extruder in physical processes such as solid conveying, pressurization, melting, exhaust, dehumidification, melt conveying and pumping out, and compared with a single screw extruder, the double screw extruder can enable melts to be more fully mixed, so that the application is wider, the whole structure of the traditional double screw extruder is simpler, the installation and the disassembly are not convenient, the processing efficiency is lower, the strip-shaped finished product needs to be manually supported and cut, the automation degree is lower, the operation burden of workers is large, the economic benefit is low, and the stable work of the equipment is easily influenced by vibration caused in the working process.

Disclosure of Invention

The invention aims to provide a double-screw extruder with high processing efficiency so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a double-screw extruder with high processing efficiency comprises a base and a transmission shaft, wherein a supporting plate is fixedly arranged on the inner side of the base, a driving motor is fixedly arranged on the upper surface of the supporting plate, the shaft end of the driving motor is connected with the transmission shaft through a coupler, a first gear is arranged at one end of the transmission shaft, a fixing pile is welded on the side surface of the first gear, a second gear is slidably connected to the right side of the first gear on the transmission shaft, an electric telescopic rod is fixedly connected to the side surface of the second gear, the end part of the electric telescopic rod is fixedly connected with a cylinder wall, a feeding groove is fixedly arranged at the top of the cylinder wall, a spiral plate is fixedly connected to the transmission shaft, a fixing block is arranged at a position, corresponding to the position between the adjacent spiral plates, of the transmission shaft, a cross rod is rotatably connected to the inner side of the, articulated on the side of fifth gear have the connecting rod, the free end of connecting rod articulates there is the arc, the one end of arc articulates on the holding ring, the side fixed mounting of holding ring is at the tip of section of thick bamboo wall, fixed connection is connected with the location axle on the bottom plate of base, the middle part of location axle is rotated and is connected with the cylinder, the guide way has been seted up at the middle part of cylinder, roll connection has the gyro wheel on the guide way, the gyro wheel rotates to be connected on the pendulum rod, the one end of pendulum rod articulates on the base lateral wall, be provided with a plurality of equidistant distribution's damper assembly on.

As a further scheme of the invention: and reinforcing ribs are arranged at the bottom of the supporting plate.

As a still further scheme of the invention: the locating ring is provided with a limiting groove matched with the connecting rod, and the limiting groove is provided with a plurality of evenly distributed edges of the locating ring.

As a still further scheme of the invention: the bottom of the cylinder wall is fixedly connected with a supporting seat welded on the base bottom plate.

As a still further scheme of the invention: the swing rod is connected with the bottom plate of the base through a fourth spring.

As a still further scheme of the invention: damping component includes sliding connection's on sleeve and the sleeve support column, and the one end fixed mounting of support column is on the base, and the other end of support column articulates there is a set of movable rod, and the middle part of movable rod is provided with first spring, and the free end of movable rod articulates there is the slider, slider and limiting plate sliding connection, and the limiting plate passes through second spring and telescopic inner wall connection, and the lower surface of limiting plate is provided with equidistant distribution's third spring.

As a still further scheme of the invention: and a PLC controller is fixedly installed on the outer side of the base.

Compared with the prior art, the invention has the beneficial effects that: this device overall structure reasonable in design, be convenient for installation and dismantlement, machining efficiency is higher, need not the manual work and operate, degree of automation is high, the finished product is placed on the pendulum rod, make the spud pile card on the second gear through PLC controller control telescopic link, and then drive the arc motion, the realization is to the cutting work of strip material, need not the manual work and hold in the palm and cut strip finished product, alleviate workman's operation burden, reduce workman's cost, damper can offset the vibrations that the device caused in the course of the work, make the steady work of device.

Drawings

FIG. 1 is a schematic view of a twin-screw extruder with high processing efficiency.

FIG. 2 is a schematic perspective view of A in a twin-screw extruder having high processing efficiency.

FIG. 3 is a schematic cross-sectional view of A in a twin-screw extruder having high processing efficiency.

FIG. 4 is a schematic diagram of a fifth gear in a twin-screw extruder with high processing efficiency.

FIG. 5 is a schematic view of a shock-absorbing assembly in a twin-screw extruder with high processing efficiency.

In the figure: the automatic feeding device comprises a base 1, a supporting plate 2, reinforcing ribs 3, a driving motor 4, a first gear 5, a fixing pile 6, a second gear 7, an electric telescopic rod 8, a cylinder wall 9, a feeding groove 10, a transmission shaft 11, a spiral plate 12, a fixing block 13, a cross rod 14, a third gear 15, a fourth gear 16, a fifth gear 17, a connecting rod 18, an arc-shaped plate 19, a positioning ring 20, a limiting groove 21, a swing rod 22, a roller 23, a guide groove 24, a roller 25, a positioning shaft 26, a supporting column 27, a sleeve 28, a movable rod 29, a first spring 30, a sliding block 31, a limiting plate 32, a second spring 33, a third spring 34, a PLC (programmable logic controller) 35, a supporting seat 36 and a fourth spring 37.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1 to 4, a structure diagram of a double screw extruder with high processing efficiency according to an embodiment of the present invention includes a base 1 and a transmission shaft 11, a support plate 2 is fixedly installed on an inner side of the base 1, a reinforcing rib 3 is installed at a bottom of the support plate 2, a driving motor 4 is fixedly installed on an upper surface of the support plate 2, a shaft end of the driving motor 4 is connected with the transmission shaft 11 through a coupling, a first gear 5 is installed at one end of the transmission shaft 11, a fixing pile 6 is welded on a side surface of the first gear 5, a second gear 7 is slidably connected on the transmission shaft 11 at a right side of the first gear 5, an electric telescopic rod 8 is fixedly connected on a side surface of the second gear 7, an end of the electric telescopic rod 8 is fixedly connected with a cylinder wall 9, a bottom of the cylinder wall 9 is fixedly connected with a support seat 36 welded on a, the spiral plate 12 is fixedly connected to the transmission shaft 11, the fixing block 13 is installed at a position of the transmission shaft 11 corresponding to the position between adjacent spiral plates 12, the PLC 35 is fixedly installed at the outer side of the base 1, the cross rod 14 is rotatably connected to the inner side of the base 1, the third gear 15 is fixedly installed on the cross rod 14, the end portion of the cross rod 14 is provided with the fourth gear 16, the fourth gear 16 is meshed with the fifth gear 17, the side surface of the fifth gear 17 is hinged with the connecting rod 18, the free end of the connecting rod 18 is hinged with the arc plate 19, one end of the arc plate 19 is hinged on the positioning ring 20, the side surface of the positioning ring 20 is fixedly installed at the end portion of the cylinder wall 9, the positioning ring 20 is provided with the limiting groove 21 matched with the connecting rod 18, the limiting groove 21 is provided with a plurality of positioning shafts 26 which are uniformly distributed at the edge of the positioning ring, guide way 24 has been seted up at the middle part of cylinder 25, and roll connection has gyro wheel 23 on the guide way 24, and gyro wheel 23 rotates to be connected on pendulum rod 22, and pendulum rod 22 is connected with the bottom plate of base 1 through fourth spring 37, and the one end of pendulum rod 22 articulates on the base 1 lateral wall, is provided with a plurality of equidistant distribution's damper on the bottom plate of base 1. When the material feeding device is used, materials are guided into the cylinder wall 9 from the feeding groove 10, the PLC 35 controls the driving motor 4 to work, the driving motor 4 drives the transmission shaft 11 to do fixed-axis rotation, the first gear 5 moves along with the transmission shaft 11, the transmission shaft 11 drives the spiral plate 12 to move, the materials move forward along the side wall of the spiral plate 12, when passing through the position of the fixing block 13, the fixing block 13 stirs the materials, then the materials continue to move forward and are extruded out of the outlet of the cylinder wall 9, meanwhile, the PLC 35 controls the driving motor 4 to stop working and the electric telescopic rod 8 to work, the extending end of the electric telescopic rod 8 slides outwards along the inner wall, so that the second gear 7 is driven to slide towards one end along the transmission shaft 11, after the fixing pile 6 is embedded into the space between the second gear 7, the driving motor 4 continues to rotate, and at the moment, the second gear 7 rotates along, because the second gear 7 is meshed with the third gear 15, the third gear 15 is driven to rotate together, the fourth gear 16 rotates along with the cross rod 14 in a rotating direction, the fourth gear 16 is meshed with the fifth gear 17, the fifth gear 17 rotates to pull the connecting rod 18 to do plane motion, the connecting rod 18 drives the arc-shaped plate 19 to swing along the positioning ring 20, and further the size of the opening is adjusted, when one end of the connecting rod 18 is clamped in the limiting groove 21, the side surface of the arc-shaped plate 19 is completely attached to enable the arc-shaped plate to be in a closed state, cutting work of strip-shaped materials is achieved, the cut strip-shaped finished products slide downwards along the surface of the oscillating rod 22, the fourth spring 37 is stressed and compressed, the oscillating rod 22 drives the roller 23 to roll along the inner wall of the guide groove 24, the roller 25 rotates along the surface of the positioning shaft 26, and after the strip-shaped products fall down, the fourth spring 37 restores to, thereby driving the roller 23 to roll on the guide groove 24 and return to the initial position.

As shown in fig. 5, as a preferred embodiment of the present invention, the damping assembly includes a sleeve 28 and a supporting rod 27 slidably connected to the sleeve 28, one end of the supporting rod 27 is fixedly mounted on the base 1, the other end of the supporting rod 27 is hinged to a set of movable rods 29, a first spring 30 is disposed in the middle of each movable rod 29, a slider 31 is hinged to the free end of each movable rod 29, the slider 31 is slidably connected to a limiting plate 32, the limiting plate 32 is connected to the inner wall of the sleeve 28 through a second spring 33, and third springs 34 are disposed on the lower surface of the limiting plate 32 and distributed at equal intervals. During the use, base 1 can cause vibrations in the work, drive support column 27 and make reciprocal linear motion along sleeve 28 in the vertical direction, support column 27 promotes movable rod 29 and rotates in the plane, movable rod 29 stimulates the motion of first spring 30, first spring 30 atress takes place elastic deformation, movable rod 29 promotes slider 31 and slides on the internal surface of limiting plate 32 on the horizontal direction, limiting plate 32 exerts the effort to second spring 33 in the horizontal direction, and exert pressure to third spring 34 in the vertical direction, second spring 33 and third spring 34 atress take place to warp, offset the vibrations that the device caused in the course of the work, make the steady work of device.

Preferably, the model of the PLC controller 35 may be siemens 600 series, and since the present embodiment does not improve the internal structure, circuit, and the like of the PLC controller 35, a detailed operation principle, control process, and the like of the PLC controller 35 will not be described.

The working principle of the invention is as follows: when the material feeding device is used, materials are guided into the cylinder wall 9 from the feeding groove 10, the PLC 35 controls the driving motor 4 to work, the driving motor 4 drives the transmission shaft 11 to do fixed-axis rotation, the first gear 5 moves along with the transmission shaft 11, the transmission shaft 11 drives the spiral plate 12 to move, the materials move forward along the side wall of the spiral plate 12, when passing through the position of the fixing block 13, the fixing block 13 stirs the materials, then the materials continue to move forward and are extruded out of the outlet of the cylinder wall 9, meanwhile, the PLC 35 controls the driving motor 4 to stop working and the electric telescopic rod 8 to work, the extending end of the electric telescopic rod 8 slides outwards along the inner wall, so that the second gear 7 is driven to slide towards one end along the transmission shaft 11, after the fixing pile 6 is embedded into the space between the second gear 7, the driving motor 4 continues to rotate, and at the moment, the second gear 7 rotates along, because the second gear 7 is meshed with the third gear 15, the third gear 15 is driven to rotate together, the fourth gear 16 rotates along with the cross rod 14 in a rotating direction, the fourth gear 16 is meshed with the fifth gear 17, the fifth gear 17 rotates to pull the connecting rod 18 to do plane motion, the connecting rod 18 drives the arc-shaped plate 19 to swing along the positioning ring 20, and further the size of the opening is adjusted, when one end of the connecting rod 18 is clamped in the limiting groove 21, the side surface of the arc-shaped plate 19 is completely attached to enable the arc-shaped plate to be in a closed state, cutting work of strip-shaped materials is achieved, the cut strip-shaped finished products slide downwards along the surface of the oscillating rod 22, the fourth spring 37 is stressed and compressed, the oscillating rod 22 drives the roller 23 to roll along the inner wall of the guide groove 24, the roller 25 rotates along the surface of the positioning shaft 26, and after the strip-shaped products fall down, the fourth spring 37 restores to, and then the roller 23 is driven to roll on the guide groove 24, and return to the initial position, the base 1 can vibrate during operation, the support column 27 is driven to do reciprocating linear motion along the sleeve 28 in the vertical direction, the support column 27 pushes the movable rod 29 to rotate in a plane, the movable rod 29 pulls the first spring 30 to move, the first spring 30 is stressed to elastically deform, the movable rod 29 pushes the sliding block 31 to slide on the inner surface of the limit plate 32 in the horizontal direction, the limit plate 32 applies acting force to the second spring 33 in the horizontal direction and applies pressure to the third spring 34 in the vertical direction, the second spring 33 and the third spring 34 are stressed to deform, so as to counteract the vibration caused by the device during operation, and the device can work stably.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only used for convenience in describing the invention and for simplicity in description, and do not imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the description is only for clarity, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A double-screw extruder with high processing efficiency comprises a base (1) and a transmission shaft (11), and is characterized in that a support plate (2) is fixedly installed on the inner side of the base (1), a driving motor (4) is fixedly installed on the upper surface of the support plate (2), the shaft end of the driving motor (4) is connected with the transmission shaft (11) through a shaft coupling, a first gear (5) is arranged at one end of the transmission shaft (11), a fixing pile (6) is welded on the side surface of the first gear (5), a second gear (7) is slidably connected to the right side of the first gear (5) on the transmission shaft (11), an electric telescopic rod (8) is fixedly connected to the side surface of the second gear (7), the end part of the electric telescopic rod (8) is fixedly connected with a cylinder wall (9), a feeding groove (10) is fixedly installed at the top of the cylinder wall (9), a spiral plate (12) is fixedly, a fixing block (13) is arranged at a position, corresponding to the position between adjacent spiral plates (12), of a transmission shaft (11), a cross rod (14) is rotatably connected to the inner side of a base (1), a third gear (15) is fixedly installed on the cross rod (14), a fourth gear (16) is arranged at the end part of the cross rod (14), the fourth gear (16) is meshed with a fifth gear (17), a connecting rod (18) is hinged to the side surface of the fifth gear (17), an arc-shaped plate (19) is hinged to the free end of the connecting rod (18), one end of the arc-shaped plate (19) is hinged to a positioning ring (20), the side surface of the positioning ring (20) is fixedly installed at the end part of a cylinder wall (9), a positioning shaft (26) is fixedly connected to the bottom plate of the base (1), a roller (25) is rotatably connected to the middle part of the positioning shaft (26), a guide groove (24) is formed in the middle part, the roller (23) is rotatably connected to the swing rod (22), one end of the swing rod (22) is hinged to the side wall of the base (1), and a plurality of shock absorption assemblies which are distributed at equal intervals are arranged on a bottom plate of the base (1).

2. The twin-screw extruder with high processing efficiency as claimed in claim 1, characterized in that the bottom of the supporting plate (2) is provided with a reinforcing rib (3).

3. The twin-screw extruder with high processing efficiency as claimed in claim 1, wherein the positioning ring (20) is provided with a limiting groove (21) matched with the connecting rod (18), and the limiting groove (21) is provided with a plurality of edges uniformly distributed on the positioning ring (20).

4. The twin-screw extruder with high processing efficiency as claimed in claim 1, characterized in that the bottom of the barrel wall (9) is fixedly connected with a support seat (36) welded on the bottom plate of the base (1).

5. The twin-screw extruder with high processing efficiency as claimed in claim 1, characterized in that the swing link (22) is connected with the bottom plate of the base (1) through a fourth spring (37).

6. The twin-screw extruder that machining efficiency is high according to claim 1, characterized in that, damper assembly includes sleeve (28) and sleeve (28) sliding connection's support column (27), the one end fixed mounting of support column (27) is on base (1), the other end of support column (27) articulates there is a set of movable rod (29), the middle part of movable rod (29) is provided with first spring (30), the free end of movable rod (29) articulates there is slider (31), slider (31) and limiting plate (32) sliding connection, limiting plate (32) are through the interior wall connection of second spring (33) with sleeve (28), the lower surface of limiting plate (32) is provided with equidistant distribution's third spring (34).

7. The twin-screw extruder with high processing efficiency as claimed in any one of claims 1 to 6, wherein a PLC (programmable logic controller) controller (35) is fixedly arranged on the outer side of the base (1).