CN214056382U

CN214056382U - Extruder screw structure with large length-diameter ratio

Info

Publication number: CN214056382U
Application number: CN202022264565.4U
Authority: CN
Inventors: 陈晰; 周坤豪; 巫峰
Original assignee: Nantong Orient Plastic Co ltd
Current assignee: Nantong Orient Plastic Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-08-27
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to an extruder technical field just discloses an extruder screw structure of big length-diameter ratio, comprising a base plate, the right side fixed mounting of bottom plate upper surface has the control box, the left upper end fixed mounting of control box has the protection valve, the one end fixedly connected with conveying pipeline of control box is kept away from to the protection valve, conveying pipeline's last fixed surface installs the feed bin, conveying pipeline keeps away from the one end fixed mounting of protection valve and has the processing storehouse. The utility model discloses a screw rod, the cooperation between processing storehouse and the conveying pipeline, the setting of screw rod super large diameter ratio reaches the effect that lets the fuse-element fully react, is favorable to the mixed plastify of material, has improved off-the-shelf quality and quality, avoids the uneven problem to appear in the finished product, reduces scrapping that the finished product caused because of the quality problem, shortens qualified off-the-shelf process time, reduces the processing live time of extruder, has prolonged the life of extruder, has improved the work efficiency of finished product processing.

Description

Extruder screw structure with large length-diameter ratio

Technical Field

The utility model relates to an extruder technical field specifically is an extruder screw rod structure of big length-diameter ratio.

Background

A screw extruder is an automatic feeding device, which is divided into a cold feeding screw extruder and a hot feeding screw extruder, and is used for extruding rubber semi-products and rubber products, the double screw extruder is developed on the basis of a single screw extruder, and has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, the screw is the heart of the extruder and is a key component of the extruder, the performance of the screw is good and bad, the productivity, plasticizing quality, the dispersibility of a filler, melt temperature, power consumption and the like of one extruder are determined, the screw is the most important component of the extruder, the application range and the production efficiency of the extruder can be directly influenced, the plastic can be moved and pressurized in a charging barrel and can obtain partial heat from friction only through the extreme pressure effect on the plastic caused by the rotation of the screw, the plastic is mixed and plasticized during its movement in the barrel, the melt in viscous flow state is shaped to the desired shape when it is extruded through the die, the screw, like the barrel, is made of a high-strength, heat-resistant and corrosion-resistant alloy, and the properties of the plastics vary from one another due to their wide variety, so as to maximize the transport, extrusion, mixing and plasticizing action on the plastics with maximum efficiency.

However, the diameter ratio of the existing screw is 18-20, the reaction of the melt is insufficient, the plasticization of the material is not facilitated, and the quality of the finished product is reduced; the existing extruder cleaning mode adopts the flushing of a large amount of water, so that the water consumption cost of enterprises is increased, and the waste of water resources is caused; the friction between the screw and the barrel sleeve is not thoroughly increased by cleaning the material residues in the extruder, and the service life of the extruder and each part is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a big length-diameter ratio's extruder screw rod structure possesses the fuse-element and fully reacts, improves off-the-shelf quality, prolongs the life and the water resource of extruder and obtains the advantage of cyclic repetition's utilization, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the extruder screw structure with the large length-diameter ratio comprises a base plate, wherein a control box is fixedly mounted on the right side of the upper surface of the base plate, a protective valve is fixedly mounted at the left upper end of the control box, a conveying pipeline is fixedly connected to one end, away from the control box, of the protective valve, a feeding bin is fixedly mounted on the upper surface of the conveying pipeline, a processing bin is fixedly mounted at one end, away from the protective valve, of the conveying pipeline, screws are arranged on the front side and the back side of the interior of the processing bin, the number of the screws is two, a water storage tank located on the left side of the control box is fixedly mounted on the upper surface of the base plate, a protective cover is fixedly mounted on the upper surface of the water storage tank, a motor is fixedly mounted inside the protective cover, a rotary rod is fixedly connected onto an output shaft of the motor, a movable block located inside the water storage tank is movably sleeved on the outer wall of the rotary rod, and a through hole is formed in the center of the movable block, and the inner wall of through-hole is provided with the screw thread, the right-hand member fixed mounting of movable block has the scraper, the inside of storage water tank is provided with the filter that is located the scraper right side, and the filter sets up to the J font, the last fixed surface of bottom plate installs the fixed plate that is located the storage water tank right side, the last fixed surface of fixed plate installs the water pump, the left upper end fixedly connected with shrink pipeline of storage water tank, the one end fixedly connected with clamping device of storage water tank is kept away from to the shrink pipeline, the left and right sides fixed mounting of bottom surface has the supporting leg under the bottom plate.

Preferably, clamping device's quantity is two, clamping device includes that one end fixed connection is at the left disc of shrink pipeline, and the round hole has been seted up at the center of disc, the inside front and the back of disc are provided with the telescopic link, and the quantity of telescopic link is two, the spring has been cup jointed in the outer wall activity of telescopic link, the one end fixedly connected with splint of spring.

Preferably, the number of the screws is two, the diameter ratio of the screws is set to be an extra-large diameter ratio, and the value of the diameter ratio of the screws is 40.

Preferably, the upper end of the left side of the water storage tank is fixedly connected with a water guide pipe, the right end of the water guide pipe of the water storage tank extends into the water storage tank, and the left end of the water guide pipe is fixedly connected with the right side of the disc.

Preferably, the lower extreme of rotary rod extends to the inside of storage water tank, the outer wall of rotary rod is provided with the screw thread corresponding with the movable block inner wall, the outer wall and the activity of movable block inner wall of rotary rod cup joint.

Preferably, the left side fixedly connected with inlet tube of water pump, the left end of water pump inlet tube extends to the inside of storage water tank, the right-hand member fixedly connected with outlet pipe of water pump, the right-hand member fixedly connected with clamping device of water pump outlet pipe.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a screw rod, the cooperation between processing storehouse and the conveying pipeline, the setting of screw rod super large diameter ratio reaches the effect that lets the fuse-element fully react, is favorable to the mixed plastify of material, has improved off-the-shelf quality and quality, avoids the uneven problem to appear in the finished product, reduces scrapping that the finished product caused because of the quality problem, shortens qualified off-the-shelf process time, reduces the processing live time of extruder, has prolonged the life of extruder, has improved the work efficiency of finished product processing.

2. The utility model discloses a water pump, including a motor, an end cap, a controller, and a cover plate, the cooperation between scraper and the filter, the problem of water waste when having solved washing extruder effectively, the use amount of water resource has been reduced, not only avoided the long-term accumulation of extruder inside residue to take out the damage to extruder and inside spare part, the long-term accumulation of residue has still been avoided causing the unable pivoted condition of screw rod, the cooperation between scraper and the filter has been avoided the filter to appear the condition of blockking up when filtering the residue, the cleaning performance of extruder has been increased, the abluent work efficiency of extruder has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the clamping device of the present invention;

FIG. 3 is a top view of the screw of the present invention;

fig. 4 is a top view of the movable block of the present invention.

In the figure: 1. a base plate; 2. a control box; 3. a guard valve; 4. a feeding bin; 5. a delivery pipeline; 6. a processing bin; 7. a screw; 8. a water storage tank; 9. a protective cover; 10. a motor; 11. rotating the rod; 12. a movable block; 13. a scraper; 14. a filter plate; 15. a fixing plate; 16. a water pump; 17. shrinking the pipeline; 18. a clamping device; 181. a disc; 182. a telescopic rod; 183. a spring; 184. a splint; 19. and (5) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an extruder screw structure with a large length-diameter ratio comprises a base plate 1, a control box 2 is fixedly installed on the right side of the upper surface of the base plate 1, the control box 2 is arranged to play a role in controlling and regulating an extruder, a protection valve 3 is fixedly installed at the upper end of the left side of the control box 2, the protection valve 3 is arranged to play a role in protecting an internal bearing, not only the situation that internal parts are directly exposed is avoided, but also the situation that workers are protected from mechanical injury is achieved, a material conveying pipeline 5 is fixedly connected to one end, far away from the control box 2, of the protection valve 3, the material conveying pipeline 5 provides a path for material transportation, a feeding bin 4 is fixedly installed on the upper surface of the material conveying pipeline 5, the feeding bin 4 is provided with a passage for material to enter, a processing bin 6 is fixedly installed at one end, far away from the protection valve 3, of the processing bin 6 is provided with a place for material processing, the front and the back of the interior of the processing bin 6 are provided with screw rods 7, the number of the screw rods 7 is two, the upper surface of the bottom plate 1 is fixedly provided with a water storage tank 8 positioned at the left side of the control box 2, the upper surface of the water storage tank 8 is fixedly provided with a protective cover 9, the interior of the protective cover 9 is fixedly provided with a motor 10, the protective cover 9 not only plays a role in protecting the motor 10, but also plays a role in reinforcing the stability of the motor 10, an output shaft of the motor 10 is fixedly connected with a rotary rod 11, the outer wall of the rotary rod 11 is movably sleeved with a movable block 12 positioned in the water storage tank 8, the center of the movable block 12 is provided with a through hole, the inner wall of the through hole is provided with threads, the right end of the movable block 12 is fixedly provided with a scraper 13, the scraper 13 is arranged to play a role in removing residues attached to the surface of the filter plate 14, the blockage situation of the filter plate 14 is avoided, the interior of the water storage tank 8 is provided with a filter plate 14 positioned at the right side of the scraper 13, and the filter plate 14 is arranged in a J shape, the J-shaped arrangement plays a role in collecting residues scraped from the surface of the filter plate 14, so that the residues in the water storage tank 8 can be conveniently and uniformly cleaned, the upper surface of the base plate 1 is fixedly provided with a fixing plate 15 positioned at the right side of the water storage tank 8, the upper surface of the fixing plate 15 is fixedly provided with a water pump 16, the upper end at the left side of the water storage tank 8 is fixedly connected with a contraction pipeline 17, the arrangement of the contraction pipeline 17 is suitable for pipeline connection at different distances, one end of the contraction pipeline 17 far away from the water storage tank 8 is fixedly connected with a clamping device 18, through the cooperation between the water pump 16, the clamping device 18 and the water storage tank 8, the problem that a large amount of water resources are consumed to cause waste when the extruder is cleaned is effectively solved, the use of water resources is saved when the interior of the extruder is cleaned for multiple times, the water cost of an enterprise is reduced, the condition that the screw 7 is abraded after material residues are accumulated in the processing bin 6 when the extruder works for a long time is avoided, the cost of the extruder for replacing parts is reduced, the left side and the right side of the bottom surface of the bottom plate 1 are fixedly provided with the supporting legs 19, the supporting legs 19 are arranged to support the bottom plate 1, and the problem that the bottom plate 1 is directly contacted with the ground to cause the corrosion of the ground moisture to the bottom plate 1 is avoided.

Wherein, clamping device 18's quantity is two, clamping device 18 includes the left disc 181 of one end fixed connection at shrink pipe 17, and the round hole has been seted up at the center of disc 181, the round hole set up be convenient for inside water-through, the inside front and the back of disc 181 are provided with telescopic link 182, the stability of splint 184 is consolidated in the setting of telescopic link 182, avoid splint 184 the condition that rocks when using to appear, and telescopic link 182's quantity is two, spring 183 has been cup jointed in telescopic link 182's outer wall activity, the position of the elastic control splint 184 that utilizes spring 183, the one end fixedly connected with splint 184 of spring 183, splint 184 plays the effect to the tight connection of clamp of pipeline.

Wherein, the quantity of screw rod 7 is two, the diameter ratio of screw rod 7 sets up to super large diameter ratio, and the numerical value of the diameter ratio of screw rod 7 is 40, the diameter ratio of screw rod sets up to super large diameter ratio and twin-screw setting, the plasticized area of contact of material mixture has been increased, make the fuse-element obtain abundant reaction, the off-the-shelf quality and quality have been improved, the condemned cost of finished product has been reduced, the operating time of extruder has been reduced, the life of extruder has been prolonged, the cost that extruder and each spare part long-term work need be changed and maintained has been reduced.

Wherein, the upper end fixedly connected with aqueduct on the left of storage water tank 8, the right-hand member of the storage water tank 8 aqueduct extends to the inside of storage water tank 8, and the left end of aqueduct and the right side fixed connection of disc 181, the aqueduct plays and leads to the inside effect of storage water tank 8 to the inside exhaust water in processing storehouse 6.

Wherein, the lower extreme of rotary rod 11 extends to the inside of storage water tank 8, and the outer wall of rotary rod 11 is provided with the screw thread corresponding with the inner wall of movable block 12, and the outer wall of rotary rod 11 cup joints with the activity of the inner wall of movable block 12, and the connected mode that the screw thread cup joints is not only convenient for movable block 12 to do reciprocating motion from top to bottom, still consolidates the stability of movable block 12.

Wherein, the left side fixedly connected with inlet tube of water pump 16, the left end of the inlet tube of water pump 16 extends to the inside of storage water tank 8, the right-hand member fixedly connected with outlet pipe of water pump 16, the right-hand member fixedly connected with clamping device 18 of the outlet pipe of water pump 16, and the cooperation of water pump 16 and clamping device 18 is convenient for transport the inside water of storage water tank 8 to the feeding storehouse 4 inside.

The working principle is as follows: when the extruder is used, firstly, a power supply of the control box 2 is turned on, then, materials are added into the feeding bin 4, fall into the conveying pipeline 5 when passing through the feeding bin 4, then reach the inside of the processing bin 6, are extruded to the outside of the extruder through the extrusion of the screw 7, and finally are processed and utilized at a later stage; when the extruder finishes working and cleaning, firstly, the two clamping devices are respectively fixed with the inlet of the feeding bin 4 and the outlet of the processing bin 6, the outer wall of the clamping plate 184 at the inlet of the feeding bin 4 and the outer wall of the outlet of the processing bin 6 are tightened, then the water pump 16 is started, the water in the water storage tank 8 is pressed into the shrinkage pipeline 17 by starting the water pump 16, the water is sequentially led into the feeding bin 4, the conveying pipeline and the processing bin 6 and then is recovered into the water storage tank 8 through another shrinkage pipeline 17, finally, the motor 10 is started to drive the rotating rod 11 to rotate, the rotating rod 11 drives the movable block 12 to do reciprocating motion up and down, and the movable block 12 drives the scraper 13 to scrape and wash the surface of the filter plate 14 back and forth while moving.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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. The utility model provides an extruder screw structure of big length-diameter ratio, includes bottom plate (1), its characterized in that: the right side fixed mounting of bottom plate (1) upper surface has control box (2), the left upper end fixed mounting of control box (2) has protection valve (3), the one end fixedly connected with conveying pipeline (5) of control box (2) are kept away from in protection valve (3), the last fixed surface of conveying pipeline (5) installs feeding storehouse (4), the one end fixed mounting that the protection valve (3) was kept away from in conveying pipeline (5) has processing storehouse (6), the inside front and the back in processing storehouse (6) are provided with screw rod (7), and the quantity of screw rod (7) is two, the last fixed surface of bottom plate (1) installs storage water tank (8) that are located the left of control box (2), the last fixed surface of storage water tank (8) installs safety cover (9), the inside fixed mounting of safety cover (9) has motor (10), the water storage tank is characterized in that a rotating rod (11) is fixedly connected to an output shaft of the motor (10), a movable block (12) located inside the water storage tank (8) is movably sleeved on the outer wall of the rotating rod (11), a through hole is formed in the center of the movable block (12), threads are arranged on the inner wall of the through hole, a scraper (13) is fixedly installed at the right end of the movable block (12), a filter plate (14) located on the right side of the scraper (13) is arranged inside the water storage tank (8), the filter plate (14) is arranged in a J shape, a fixing plate (15) located on the right side of the water storage tank (8) is fixedly installed on the upper surface of the base plate (1), a water pump (16) is fixedly installed on the upper surface of the fixing plate (15), a contraction pipeline (17) is fixedly connected to the left upper end of the water storage tank (8), and a clamping device (18) is fixedly connected to the end, far away from the water storage tank (8), of the contraction pipeline (17), the left side and the right side of the bottom surface under the bottom plate (1) are fixedly provided with supporting legs (19).

2. A screw structure of an extruder with a large length-diameter ratio according to claim 1, wherein: the quantity of clamping device (18) is two, clamping device (18) include that one end fixed connection is in shrink pipeline (17) left disc (181), and the round hole has been seted up at the center of disc (181), disc (181) inside front and the back are provided with telescopic link (182), and the quantity of telescopic link (182) is two, spring (183) have been cup jointed in the outer wall activity of telescopic link (182), the one end fixedly connected with splint (184) of spring (183).

3. A screw structure of an extruder with a large length-diameter ratio according to claim 1, wherein: the number of screw rods (7) is two, the diameter ratio of screw rods (7) is set to be the super large diameter ratio, and the numerical value of the diameter ratio of screw rods (7) is 40.

4. A screw structure of an extruder with a large length-diameter ratio according to claim 1, wherein: the upper end of the left side of the water storage tank (8) is fixedly connected with a water guide pipe, the right end of the water guide pipe of the water storage tank (8) extends to the inside of the water storage tank (8), and the left end of the water guide pipe is fixedly connected with the right side of the disc (181).

5. A screw structure of an extruder with a large length-diameter ratio according to claim 1, wherein: the lower extreme of rotary rod (11) extends to the inside of storage water tank (8), the outer wall of rotary rod (11) is provided with the screw thread corresponding with movable block (12) inner wall, the outer wall and the activity of movable block (12) inner wall of rotary rod (11) cup joint.

6. A screw structure of an extruder with a large length-diameter ratio according to claim 1, wherein: the left side fixedly connected with inlet tube of water pump (16), the left end of water pump (16) inlet tube extends to the inside of storage water tank (8), the right-hand member fixedly connected with outlet pipe of water pump (16), the right-hand member fixedly connected with clamping device (18) of water pump (16) outlet pipe.