CN113001937A

CN113001937A - Double-screw extruder for processing glass fiber reinforced polypropylene

Info

Publication number: CN113001937A
Application number: CN202110202329.6A
Authority: CN
Inventors: 姚奕卿
Original assignee: Individual
Current assignee: Foshan Huitai Plastic Products Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-22
Anticipated expiration: 2041-02-23
Also published as: CN113001937B

Abstract

The invention provides a double-screw extruder for processing glass fiber reinforced polypropylene, which structurally comprises a power distribution base, a control box, a limiting block, a feeding end, a support and an extrusion pipeline, wherein the upper end of the power distribution base is attached to the lower end of the control box and is communicated with the control box, the limiting block is arranged at the upper end of the control box, and the side edge of the feeding end is attached to the side edge of the limiting block. While the subsequent product formed is affected by the residue as it is extruded.

Description

Double-screw extruder for processing glass fiber reinforced polypropylene

Technical Field

The invention relates to the field of polypropylene, in particular to a double-screw extruder for processing glass fiber reinforced polypropylene.

Background

The double-screw extruder can fully plasticize and uniformly mix materials through double screw threads of the double-screw extruder, and can effectively extrude the materials according to the shape of the die outlet through the shape of the die at the outlet, so that the extruder can effectively mix the materials and continuously extrude the materials, and the product quality can be effectively ensured;

in conclusion, the inventors found that the existing extruder mainly has the following defects: because polypropylene need constantly add raw and other materials and just can carry out constantly with product molding and extrusion when extruder shaping is extruded, and the product can form sticky material owing to the thermoforming of equipment in the processing, it can form a little material and glue among the extrusion pipeline when extruding, and then can form the material natural cooling owing to the stopping of heating after extruder stop work, it can fix wherein after finishing to make its cooling, and because pipeline structure reason leads to its difficult condition of clearing up, thereby can form the material of follow-up processing and lead to the destruction of material top layer by remaining material behind the extrusion pipeline at the material cooling fixing.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: the utility model provides a double screw extruder is used in processing of glass fiber reinforced polypropylene, its structure includes and distributes seat, control box, stopper, feed end, support, extrudes the pipeline, it laminates mutually and carries out the logical electricity in the lower extreme of control box and connects to distribute the seat upper end, the stopper is installed in the upper end of control box, the feed end side is laminated in the side of stopper, it communicates with each other in the lower extreme of feed end to extrude the pipe installation, support mounting is in the lower extreme of extruding the pipeline and carries out fixed connection.

The extrusion pipeline is provided with a connecting frame, a solid layer, a model body, a balance frame and a scraping device, the solid layer is embedded in the connecting frame and fixedly connected, the model body is embedded in the middle of the solid layer, the balance frame is installed on the side edge of the model body, the scraping device is embedded in the balance frame and movably matched with the model body, the balance frame is annular, and four end points of the balance frame are provided with notches.

As a further improvement of the invention, the scraping device is provided with a sliding rail, a movable layer, a rotating wheel and a scraping knife, the movable layer is embedded in the middle of the sliding rail and is movably matched, the rotating wheel is installed at the end point of the movable layer and is movably matched, the scraping knife is installed in the rotating wheel and is movably matched, a double-layer baffle is installed in the middle of the scraping knife, and the double-layer baffle can move along with the movement of the position of the scraping knife.

As a further improvement of the invention, the scraping knife is provided with a knife body, a connecting groove, a supporting rod, an induced air channel and a contact end, wherein the connecting groove is embedded in the side edge of the knife body and is integrated, the supporting rod is embedded in the knife body, the induced air channel is installed on the side edge of the supporting rod and is fixedly connected with the supporting rod, the contact end is installed at the lower end of the knife body and is communicated with the induced air channel, and the induced air channel is communicated with the double screws of the device and can effectively guide wind energy generated by the double screws.

As a further improvement of the invention, the contact end is provided with a movable space, a scraping shaft, a connecting belt, a movable wheel and a clearing block, the scraping shaft is arranged outside the movable space and integrated into a whole, the connecting belt is embedded in the movable space, the movable wheel is connected to the end point of the connecting belt and movably matched, the clearing block is embedded in the lower end of the movable wheel and movably matched, and the connecting belt has extremely high toughness and flexibility and can be pushed by a product of equipment.

As a further improvement of the invention, the clearing block is provided with a connecting port, a block body, a fixed layer and an elastic ball, the connecting port and the block body are integrated, the fixed layer is embedded into the lower end of the connecting port, the elastic ball is arranged in the fixed layer and movably matched, the block body is made of stainless steel materials, and the surface of the block body is in a polished state.

As a further improvement of the invention, the slide rail is provided with a limiting layer, a guide port, a channel and a movable device, the upper end of the limiting layer is provided with the guide port and is integrated, the channel is arranged below the guide port and is communicated with the guide port, the movable device is embedded into the lower end of the channel and is communicated with the guide port, the guide port is consistent with the diameter of each part, and the channel below the guide port is in a slope state.

As a further improvement of the invention, the movable device is provided with a fixed ring, a power wheel, a movable rod and an attaching layer, the power wheel is embedded in the fixed ring and performs fixed-point rotation movement, the movable rod is connected to the side edge of the power wheel and performs movable fit, the attaching layer and the side edge of the movable rod are integrated, the movable rod is made of stainless steel, and the surface of the movable rod is in a polished state.

As a further improvement of the invention, the movable rod is provided with a rod body, a notch, a movable block and a spring, the notch is arranged at the upper end of the rod body and is integrated, the movable block is arranged below the notch and is communicated with the notch, the spring is connected to the lower end of the movable block and is movably matched with the lower end of the movable block, and the movable block is square and is in a solid state.

Compared with the prior art, the invention has the following beneficial effects:

1. the scraping device can be pushed while the extruder extrudes a product, and further the scraping device can be quickly reset in a gap added by raw materials, so that the scraping device can reset and scrape off product residues adhered in the extrusion pipeline, and the scraping shaft in the scraping device can further scrape off the residues in the scraping process while the scraping shaft returns to the position to scrape off the residues through the spring, so that the phenomenon that the residues are adhered in the extrusion pipeline due to the heating of the product after the product is extruded can be prevented, and the subsequent product is influenced by the residues when the product is extruded.

2. According to the invention, the scraped residues can be effectively concentrated under the action of the components arranged at the lower end of the sliding rail, the residues can be effectively accumulated through the components of the scraper, and the movable device can be pushed along with the increase of the residues so as to effectively discharge the residues to the outside of the equipment, so that the residues scraped by the auxiliary scraping device can be guided and discharged to the outside of the equipment.

Drawings

FIG. 1 is a schematic view of a twin-screw extruder for processing glass fiber reinforced polypropylene.

Fig. 2 is a front view of a basic pipeline.

Fig. 3 is a side view of a scraping device.

Fig. 4 is a side view of a scraper blade.

Fig. 5 is a side view of a contact-end mounted component.

Fig. 6 is a schematic diagram of the structure inside the cleaning block.

Fig. 7 is a schematic structural diagram of the inside of a slide rail.

Fig. 8 is a side view of the mechanism of the present invention.

Fig. 9 is a schematic structural view of the inside of a movable rod.

In the figure: a distribution base-1, a control box-2, a limit block-3, a feed end-4, a bracket-5, an extrusion pipeline-6, a connecting frame-61, a solid layer-62, a model body-63, a balancing stand-64, a scraping device-65, a slide rail-651, a movable layer-652, a rotating wheel-653, a scraping knife-654, a knife body-a 1, a connecting groove-a 2, a supporting rod-a 3, an induced air channel-a 4, a contact end-a 5, a movable space-a 51, a scraping shaft-a 52, a connecting belt-a 53, a movable wheel-a 54, a clearing block-a 55, a connecting port-551, a block-552, a fixed layer-553, an elastic ball-554, a limit layer-b 1, a guide port-b 2, a channel-b 3, a movable device-b 4, A fixed ring-b 41, a power wheel-b 42, a movable rod-b 43, a laminating layer-b 44, a rod body-c 1, a notch-c 2, a movable block-c 3 and a spring-c 4.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

fig. 1 to 6 show:

the invention provides a double-screw extruder for processing glass fiber reinforced polypropylene,

its structure includes block terminal 1, control box 2, stopper 3, feed end 4, support 5, extrudes pipeline 6, 1 upper end of block terminal is laminated mutually and is gone on leading to the electricity in the lower extreme of control box 2 and be connected, stopper 3 is installed in the upper end of control box 2, 4 sides of feed end are laminated in the side of stopper 3, it installs in the lower extreme of feed end 4 and communicates with each other to extrude pipeline 6, support 5 installs in the lower extreme of extruding pipeline 6 and carries out fixed connection.

The extrusion pipeline 6 is provided with a connecting frame 61, a solid layer 62, a model body 63, a balance frame 64 and a scraping device 65, the solid layer 62 is embedded in the connecting frame 61 and fixedly connected, the model body 63 is embedded in the middle of the solid layer 62, the balance frame 64 is installed on the side edge of the model body 63, the scraping device 65 is embedded in the balance frame 64 and movably matched with the model body 63, the balance frame 64 is annular, gaps are arranged at four end points of the balance frame 64, the four gaps of the balance frame 64 are connected with the scraping device 65, the balance frame 64 can be effectively matched with the model body 63 through the annular shape, and the stability of the scraping device 65 in the motion process can be improved through the stability of the balance frame.

The scraping device 65 is provided with a sliding rail 651, a movable layer 652, a rotating wheel 653 and a scraping knife 654, wherein the movable layer 652 is embedded in the middle of the sliding rail 651 and is movably matched with the sliding rail 651, the rotating wheel 653 is mounted at an end point of the movable layer 652 and is movably matched with the movable layer, the scraping knife 654 is mounted in the rotating wheel 653 and is movably matched with the rotating wheel 653, a double-layer baffle is mounted in the middle of the scraping knife 654, the double-layer baffle can move along with the position movement of the scraping knife 654, so that the double-layer baffle penetrated by the scraping knife 654 can effectively separate gaps left by the scraping knife 654, and thus, materials can be effectively prevented from permeating into the.

The scraping knife 654 is provided with a knife body a1, a connecting groove a2, a supporting rod a3, an air inducing channel a4 and a contact end a5, wherein the connecting groove a2 is embedded in the side edge of the knife body a1 and is integrated, the supporting rod a3 is embedded in the knife body a1, the air inducing channel a4 is installed on the side edge of the supporting rod a3 and is fixedly connected with the supporting rod a, the contact end a5 is installed at the lower end of the knife body a1 and is communicated with the air inducing channel a4, the air inducing channel a4 is communicated with double screws of the device and can effectively guide wind energy generated by the double screws, the air inducing channel a4 can effectively guide the wind energy, and residual materials can be effectively dried by collecting and guiding the wind energy to form blocks.

The contact end a5 is provided with a movable space a51, a scraping shaft a52, a connecting belt a53, a movable wheel a54 and a clearing block a55, the scraping shaft a52 is arranged outside the movable space a51 and integrated with the movable space a 8584, the connecting belt a53 is embedded into the movable space a51, the movable wheel a54 is connected to an end point of the connecting belt a53 and is movably matched with the end point, the clearing block a55 is embedded into the lower end of the movable wheel a54 and is movably matched with the lower end of the movable wheel a54, the connecting belt a53 has extremely high toughness and flexibility and can be pushed by a product of equipment, and the connecting belt a53 is effectively pushed by the product through the toughness and the flexibility of the connecting belt a53 and can drive the clearing block a55 to move through the performance of the connecting.

The cleaning block a55 is provided with a connecting port 551, a block 552, a fixing layer 553, and a resilient ball 554, the connecting port 551 and the block 552 are integrated, the fixing layer 553 is embedded in the lower end of the connecting port 551, the resilient ball 554 is mounted in the fixing layer 553 and is movably matched, the block 552 is made of stainless steel and has a polished surface, and the block 552 can effectively prolong the service life of the block 552 by the polished state and material of the block and prevent the material from remaining above the block by the smooth surface of the block.

The specific functions and operation flow of this embodiment are as follows:

in the invention, the twin-screw extruder can control the extrusion pipe 6 to work through the distribution base 1 and the control box 2, the extrusion pipe 6 can continuously add raw materials for processing through the feeding end 4, the extrusion pipe 6 can continuously extrude products through the model body 63 and simultaneously can push the scraping device 65 along the belt, the scraping device 65 can displace in the slide rail 651 through the movable layer 652 and the rotating wheel 653, the scraping knife 654 can move to the inner end of the model body 63 for limiting, after the first batch of products are extruded, the movable layer 652 shrinks due to the loss of the rear end driving force to drive the scraping knife 654 to scrape the materials remained in the extrusion pipe 6, so that the wind energy generated by the equipment can be continuously guided and transmitted to the contact end a5 through the air guide channel a4 of the scraping knife 654 during the scraping process, the material scraping device can quickly dry the residual material, so that the material can be well scraped off by the scraping knife 654 when being dried, the cleaning block a55 connected with the contact end a5 can move along with the movement of the connecting belt a53 and the movable wheel a54 to scrape off the material on the contact end a5, the elastic ball 554 in the cleaning block a55 can shake along with the shaking of the device, and the impact force of the fixed layer 553 can be transmitted out continuously to shake the material on the block body 552, so that the material can be cleaned, and residues can be prevented from being adhered to the extrusion pipeline 6 due to the heating of the product after the product is extruded, and the subsequent product is influenced by the residues when being extruded.

Example 2:

fig. 7 to 9 show:

the structure of the sliding rail 651 comprises a limiting layer b1, a guide port b2, a channel b3 and a moving device b4, wherein the upper end of the limiting layer b1 is provided with the guide port b2 and integrated, the channel b3 is arranged below the guide port b2 and communicated with the guide port b 3538, the moving device b4 is embedded at the lower end of the channel b3 and communicated with the channel b 3624, the diameter of the guide port b2 is consistent with that of each component, the channel b3 below the guide port b2 is in a slope state, the guide port b2 can effectively collect residual materials through the diameter of the guide port b2, and the materials can be prevented from falling to the periphery of the guide port b2 in the scraping process.

Wherein, activity ware b4 is equipped with retainer plate b41, power wheel b42, movable rod b43, laminating layer b44, the embedded power wheel b42 that has of retainer plate b41 carries out fixed point rotation activity, movable rod b43 is connected in the side of power wheel b42 and is carried out the clearance fit, laminating layer b44 is as an organic whole with the side of movable rod b43, movable rod b43 is made for stainless steel material to the surface is the polishing state, movable rod b43 can be effectual collect the material and can effectively prevent through the smooth surface of self that the material from remaining on its surface through the smooth surface of self.

The movable rod b43 is provided with a rod body c1, an open groove c2, a movable block c3 and a spring c4, the upper end of the rod body c1 is provided with an open groove c2, the open groove c2 is integrated with the upper end of the rod body c1, the movable block c3 is arranged below the open groove c2 and communicated with the open groove c2, the spring c4 is connected to the lower end of the movable block c3 and is movably matched with the lower end of the movable block c3, the movable block c3 is square and is in a solid state, the movable block c3 can effectively bear a large amount of residual materials, and the materials can be effectively fixed through the solid.

The specific functions and operation flow of this embodiment are as follows:

in the invention, under the basic action of embodiment 1, the guiding opening b2 in the lower end slide rail 651 can effectively guide the materials scraped by the scraping device 65 and can gather the materials together through the slope channel b3 at the lower end of the guiding opening b 3578, so that the materials can be attached to the movable rod b43 while gathering together, the movable rod b43 is internally provided with the notch c2 so that the materials can be collected in a lump, the power wheel b42 can be effectively driven to discharge the agglomerated materials when a certain weight is reached, and the spring c4 rebounds to eject the materials in the guiding opening b 3583 to guide the residues scraped by the auxiliary scraping device 65 and discharge the residues to the outside of the equipment.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides a glass fiber reinforcement is twin-screw extruder for polypropylene processing, its structure includes and distributes seat (1), control box (2), stopper (3), feed end (4), support (5), extrudes pipeline (6), its characterized in that: the upper end of the power distribution base (1) is attached to the lower end of the control box (2) and is electrically connected with the control box in a through mode, the limiting block (3) is installed at the upper end of the control box (2), the side edge of the feeding end (4) is attached to the side edge of the limiting block (3), the extrusion pipeline (6) is installed at the lower end of the feeding end (4) and is communicated with the feeding end, and the support (5) is installed at the lower end of the extrusion pipeline (6) and is fixedly connected with the extrusion pipeline;

the extruding pipeline (6) is provided with a connecting frame (61), a solid layer (62), a model body (63), a balance frame (64) and a scraping device (65), the solid layer (62) is embedded in the connecting frame (61) and fixedly connected, the model body (63) is embedded in the middle of the solid layer (62), the balance frame (64) is installed on the side edge of the model body (63), and the scraping device (65) is embedded in the balance frame (64) and is movably matched with the model body (63).

2. The twin-screw extruder for processing glass fiber reinforced polypropylene according to claim 1, wherein: the scraping device (65) is provided with a sliding rail (651), a movable layer (652), a rotating wheel (653) and a scraping knife (654), the movable layer (652) is embedded in the middle of the sliding rail (651) and is movably matched with the sliding rail, the rotating wheel (653) is installed at the end point of the movable layer (652) and is movably matched with the movable layer, and the scraping knife (654) is installed in the rotating wheel (653) and is movably matched with the movable layer.

3. The twin-screw extruder for processing glass fiber reinforced polypropylene according to claim 2, wherein: the scraping knife (654) is provided with a knife body (a1), a connecting groove (a2), a supporting rod (a3), an air inducing channel (a4) and a contact end (a5), wherein the connecting groove (a2) is embedded into the side edge of the knife body (a1) and is integrated, the supporting rod (a3) is embedded into the knife body (a1), the air inducing channel (a4) is installed on the side edge of the supporting rod (a3) and is fixedly connected with the side edge of the supporting rod, and the contact end (a5) is installed at the lower end of the knife body (a1) and is communicated with the air inducing channel (a 4).

4. The twin-screw extruder for processing glass fiber reinforced polypropylene according to claim 3, wherein: contact end (a5) is equipped with activity space (a51), scrapes off axle (a52), connecting band (a53), activity wheel (a54), clears away piece (a55), activity space (a51) outside is equipped with scrapes off axle (a52) and as an organic whole, connecting band (a53) imbeds in activity space (a51), activity wheel (a54) are connected in the extreme point of connecting band (a53) and are carried out the clearance fit, it imbeds in the lower extreme and the clearance fit of activity wheel (a54) to clear away piece (a 55).

5. The twin-screw extruder for processing glass fiber reinforced polypropylene according to claim 4, wherein: the clearing block (a55) is provided with a connecting port (551), a block body (552), a fixed layer (553) and a spring ball (554), the connecting port (551) and the block body (552) are integrated, the fixed layer (553) is embedded into the lower end of the connecting port (551), and the spring ball (554) is arranged in the fixed layer (553) and is movably matched.

6. The twin-screw extruder for processing glass fiber reinforced polypropylene according to claim 2, wherein: the sliding rail (651) is provided with a limiting layer (b1), a guide port (b2), a channel (b3) and a moving device (b4), the upper end of the limiting layer (b1) is provided with the guide port (b2) and is integrated, the channel (b3) is arranged below the guide port (b2) and is communicated with the guide port, and the moving device (b4) is embedded into the lower end of the channel (b3) and is communicated with the guide port.

7. The twin-screw extruder for processing glass fiber reinforced polypropylene according to claim 6, wherein: activity ware (b4) is equipped with retainer plate (b41), power wheel (b42), movable rod (b43), laminating layer (b44), the embedded power wheel (b42) that has of retainer plate (b41) carries out fixed point rotation activity, movable rod (b43) are connected in the side of power wheel (b42) and are carried out clearance fit, the side of laminating layer (b44) and movable rod (b43) is as an organic whole.

8. The twin-screw extruder for processing glass fiber reinforced polypropylene according to claim 7, wherein: the activity pole (b43) are equipped with body of rod (c1), scarce groove (c2), movable block (c3), spring (c4), body of rod (c1) upper end is equipped with scarce groove (c2) and as an organic whole, the activity is fast (c3) install in the below of scarce groove (c2) and communicate with each other, spring (c4) are connected in the lower extreme of movable block (c3) and are carried out the clearance fit.