CN111283980A

CN111283980A - High efficiency double screw extruder

Info

Publication number: CN111283980A
Application number: CN202010170633.2A
Authority: CN
Inventors: 葛飞; 葛乾顺
Original assignee: Nanjing Shengchi Rubber And Plastic Machinery Manufacturing Co ltd
Current assignee: Nanjing Shengchi Rubber And Plastic Machinery Manufacturing Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-06-16
Anticipated expiration: 2040-03-12
Also published as: CN111283980B

Abstract

The invention discloses a high-efficiency double-screw extruder, which relates to an extruder and aims to solve the technical problem that the extruder wastes resin in the prior art, and the technical scheme is characterized by comprising a rack, a hopper, double screws, a driving motor and a reduction gearbox, wherein the hopper, the double screws and the driving motor and the reduction gearbox are respectively arranged on the rack; the working mode of putting a large amount of resin for cleaning is replaced, the resin waste is reduced, and the production cost is reduced; the efficiency of cleaning the double-screw extruder can be improved, so that the raw materials with different colors can be rapidly produced, and the production efficiency can be improved.

Description

High efficiency double screw extruder

Technical Field

The present invention relates to an extruder, and more particularly, it relates to a high efficiency twin screw extruder.

Background

The double-screw extruder consists of a driving motor, a reduction gearbox, a hopper, a charging barrel, a screw and the like, has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, and is widely applied to the molding processing of extruded products at present.

Chinese patent No. CN201808203U discloses a twin-screw extruder, which comprises a motor, a barrel with a segmented structure, screws arranged in the barrel, and a feeder arranged on the barrel and feeding materials into the barrel, wherein the motor is connected with a high-power transmission box, and an output shaft of the high-power transmission box is connected with co-rotating twin screws in the barrel. The utility model provides an extruder's processing, assembly precision improve greatly, adopt high-power transmission case and safety coupling, operating stability is high, and the fault rate is extremely low, has effectively improved the performance of processing product, to the factory building of the same size, the operation workman of same quantity, output can turn over one, has improved production efficiency greatly.

When using the twin-screw extruder among the prior art, with the material input feeding machine in, the material gets into the barrel, and motor drive twin-screw rotates to can process the material, but when the raw materials of the different colours of twin-screw extruder production, need put into the colour that a large amount of resin washd former raw materials, cause extravagant a large amount of resin, improve manufacturing cost, remain to improve.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a high-efficiency double-screw extruder which has the advantages of replacing a mode of putting a large amount of resin for cleaning, reducing resin waste and reducing production cost.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a high efficiency twin-screw extruder, includes the frame, sets up hopper, twin-screw and the drive twin-screw pivoted driving motor and reducing gear box in the frame respectively, still including setting up in the frame and being used for wrapping up a plurality of barrel subassembly of two screws, be equipped with respectively in the frame and be used for driving the barrel subassembly and expand the subassembly one by one, be used for driving the power component that opens the subassembly motion and be used for clearing up the clearance subassembly of barrel subassembly and twin-screw.

By adopting the technical scheme, when raw materials with different colors are required to be produced, the power assembly drives the opening assembly to open the cylinder assemblies one by one, and then the cleaning assembly cleans the cylinder assemblies and the double screws, so that a working mode of putting a large amount of resin into cleaning is replaced, resin waste is reduced, and production cost is reduced; the workload of workers can be reduced, the efficiency of cleaning the double-screw extruder is improved, and then raw materials with different colors can be rapidly produced, so that the production efficiency is improved; the double screws can be supported by opening the barrel assemblies one by one, and the possibility of deformation of the double screws due to self-weight sagging is reduced.

Further, the barrel component comprises an upper barrel and a lower barrel, inner cavities for the double screws to penetrate through are formed in the side walls of the upper barrel and the lower barrel, the upper barrel and the lower barrel are connected in a rotating mode through hinge shafts, the hinge shafts are arranged along the axial direction of the screw rods, a plurality of support rods connected with the hinge shafts are arranged on the rack, one sides, far away from the hinge shafts, of the upper barrel and the lower barrel are connected through quick clamps, connecting rings are arranged on two sides, deviating from each other, of the upper barrel and the lower barrel, the connecting rings are adjacent to each other and connected through a plurality of bolts, and nuts are connected to one ends, penetrating through the connecting rings.

By adopting the technical scheme, when the cleaning is needed, the quick clamp is opened, the nut is screwed off, the bolt is dismounted, and the upper machine barrel and the lower machine barrel can be unfolded; after cleaning, the upper machine barrel and the lower machine barrel are closed, the bolts penetrate through the two connecting rings, the nuts are screwed, and the quick clamps are closed, so that the upper machine barrel and the lower machine barrel can be fixed, and the double-screw extruder can conveniently continue to work.

Further, the power assembly comprises a power motor arranged on the rack and a rotating shaft arranged on the side wall of a motor shaft of the power motor, a plurality of limiting circular plates are uniformly distributed on the side wall of the rotating shaft, notches are formed in the side wall of the limiting circular plates, rotating rods are arranged on the side wall of the rotating shaft and close to one side of the notches, the adjacent rotating rods are arranged in a staggered mode, rotating blocks are arranged at the ends, away from the rotating shaft, of the rotating rods, rotating blocks are arranged at the ends, away from the rotating rods, of the rotating blocks and extend into the notches, a plurality of power rods are arranged on the rack and rotate along the axial direction of the rotating rods, rotating plates are arranged on the side walls of the power rods in a rotating mode, a plurality of sliding grooves for the rotating blocks to insert are uniformly distributed on the side walls of the rotating plates, a plurality of arc grooves for the limiting circular, the sliding grooves are uniformly distributed along the radial direction of the power rod, and a gear is arranged on the side wall of the power rod; the opening assembly comprises a moving frame arranged on the rack, a rack meshed with the gear is arranged on the moving frame in a sliding mode, one side, close to the hinge shaft, of the rack is hinged with two pull rods, the two pull rods extend to one side of the upper machine barrel and one side of the lower machine barrel respectively, and one end, far away from the rack, of each pull rod is hinged with the upper machine barrel and the lower machine barrel respectively.

Through adopting above-mentioned technical scheme, pull down when the bolt, press from both sides soon and open the back, drive motor power, motor power drives axis of rotation and dwang and rotates, and then drives the turning block and rotate, in the turning block slips into the spout, drive the rotor plate and rotate, and then drive gear revolve, thereby drive the rack removal, thereby the pulling pull rod of rack removes, because last barrel passes through articulated shaft with lower barrel and connects, so can drive the quick expansion of last barrel and lower barrel, the convenience is to last barrel, lower barrel and screw rod clearance.

Further, be equipped with power cylinder on the lateral wall of dwang, the turning block sets up on power cylinder's end wall.

By adopting the technical scheme, when the upper machine barrel and the lower machine barrel need to be unfolded, the power cylinder pushes the rotating block to move, the power motor drives the rotating shaft, the rotating rod and the rotating block to rotate, and the rotating block can drive the rotating plate and the gear to rotate; when the number of the barrel assemblies is large, the rotating block can slide into the sliding groove again after rotating for a circle to drive the rotating plate to rotate, so that the opening angles of the upper barrel and the lower barrel are too large, the rotating block is driven to retract through the power cylinder, and at the moment, the rotating block can be prevented from secondarily driving the rotating plate to rotate, and the possibility of difference of the opening angles of the upper barrel and the lower barrel is favorably reduced.

Furthermore, a positioning groove is formed in one side, close to the lower machine barrel, of the upper machine barrel, and a positioning strip inserted into the positioning groove is formed in one side, close to the upper machine barrel, of the lower machine barrel.

Through adopting above-mentioned technical scheme, after last barrel and lower barrel clearance finish, the power motor reversal drives axis of rotation, dwang and turning block reversal to drive rotor plate and gear reversal, and then drive the rack and reset, promote then and go up the barrel and merge with lower barrel, at this moment, insert the constant head tank through the location strip, with this can reduce the possibility of taking place the skew between last barrel and the lower barrel.

Furthermore, the cleaning assembly comprises a fixed frame arranged on the rack, a movable motor arranged on the fixed frame and a lead screw arranged on the side wall of a motor shaft of the movable motor, the lead screw is arranged along the axial direction of the lead screw, the side wall of the lead screw is in threaded connection with a movable seat, a limit block is arranged on the side wall of the movable seat, and a limit sliding groove for the limit block to slide is arranged on the fixed frame; the upper cleaning brush group and the lower cleaning brush group are arranged on the cleaning brush frame respectively, the upper cleaning brush group comprises two upper cleaning cylinder inner cavities and two upper cleaning brushes of the two screws, and the lower cleaning brushes comprise two lower cleaning cylinder inner cavities and two lower cleaning brushes of the two screws.

Through adopting above-mentioned technical scheme, after last barrel expandes with lower barrel, start the moving motor, drive the lead screw and rotate, because the stopper is in spacing spout, so remove the seat and can slide along the lead screw, and then drive the pole setting and remove, through upper cleaning brush and lower cleaning brush to inner chamber and screw rod clearance to this can convenient and fast with upper barrel, lower barrel and screw rod clearance, replace the clearance mode that drops into a large amount of resins, reduce extravagant resin, reduce manufacturing cost.

Furthermore, rotating shafts are arranged at one ends of the upper cleaning brush and the lower cleaning brush, which are close to the cleaning brush holder, and cleaning motors are arranged at one ends of the rotating shafts, which are close to the cleaning brush holder, and the cleaning motors are arranged on the cleaning brush holder; go up the cleaning brush and all include a clearance section of thick bamboo with the lower cleaning brush, a clearance section of thick bamboo is wiped including a left brush section of thick bamboo and the right side, the equipartition has a plurality of brush hair on the lateral wall of a left side brush section of thick bamboo, the right side is wiped and is equipped with on the lateral wall of a section of thick bamboo and cleans the cotton, the thickness of cleaning the cotton is greater than the height of brush hair.

Through adopting above-mentioned technical scheme, utilize clearance motor drive pivot to rotate to can drive a clearance section of thick bamboo and rotate, and then can drive the brush hair and clean the cotton and rotate, remove the defective material through the brush hair brush, clean the cotton and wipe the defective material off again, with this can clear up the defective material on inner chamber and the screw rod, the thickness through cleaning the cotton is greater than the height of brush hair moreover, with this can increase and clean the frictional force between cotton and inner chamber and the screw rod, improve clean effect.

Furthermore, a solvent cavity is arranged in the right wiping cylinder, a plurality of through holes are formed in the inner side wall of the solvent cavity, a connecting pipe communicated with the solvent cavity is arranged on the end wall of the right wiping cylinder, a solvent box is arranged at one end, far away from the right wiping cylinder, of the connecting pipe, and a valve is arranged on the side wall of the connecting pipe.

Through adopting above-mentioned technical scheme, when the clearance, open the valve, solvent in the solvent box gets into the solvent intracavity along the connecting pipe, exports from the through-hole again to can moisten and clean the cotton, conveniently wash screw rod and inner chamber.

In conclusion, the invention has the following beneficial effects:

1. when raw materials with different colors need to be replaced and produced, the power assembly drives the cylinder assemblies to be unfolded one by one, and then the cleaning assembly cleans the cylinder assemblies and the double screws, so that a resin cleaning mode can be replaced, resin waste is reduced, and production cost is reduced;

2. the power cylinder is used for driving the rotating block to slide, so that the rotating block is reduced, the rotating plate is further driven to rotate, the possibility of different rotating angles of the upper machine barrel and the lower machine barrel is reduced, and the upper machine barrel and the lower machine barrel can be conveniently cleaned by the upper cleaning brush and the lower cleaning brush;

3. the upper barrel, the lower barrel and the double screws are cleaned by the bristles and the scrubbing cotton cloth in two modes, so that the cleaning effect is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic diagram showing the configuration of the upper and lower barrels in the embodiment.

FIG. 4 is a schematic diagram of a power assembly and a flare assembly embodying an embodiment.

FIG. 5 is a schematic diagram of a cleaning assembly in an embodiment.

FIG. 6 is a schematic structural diagram of an upper cleaning brush set and a lower cleaning brush set in an embodiment.

Fig. 7 is a sectional view taken along line a-a in fig. 6.

In the figure: 1. a frame; 2. a hopper; 3. a screw; 4. a drive motor; 5. a reduction gearbox; 6. a cartridge assembly; 60. feeding the machine barrel; 61. a lower machine barrel; 62. an inner cavity; 63. hinging a shaft; 64. a support bar; 65. quickly clamping; 66. a connecting ring; 67. a bolt; 68. a nut; 69. positioning a groove; 600. a positioning bar; 601. a spring; 7. an opening assembly; 70. a movable frame; 71. a rack; 72. a pull rod; 73. a moving groove; 8. a power assembly; 80. a power motor; 81. a rotating shaft; 82. rotating the rod; 83. rotating the block; 84. a power rod; 85. a rotating plate; 87. a chute; 88. a gear; 800. a power cylinder; 801. a limiting circular plate; 802. a notch; 803. an arc-shaped groove; 9. cleaning the assembly; 90. a fixed mount; 91. a moving motor; 92. a lead screw; 93. a movable seat; 94. a limiting block; 95. a limiting chute; 96. erecting a rod; 97. cleaning the brush holder; 98. an upper cleaning brush set; 99. a lower cleaning brush set; 900. installing a cleaning brush; 901. a cleaning brush is arranged; 902. a rotating shaft; 903. cleaning the motor; 904. cleaning the cylinder; 905. a left brush drum; 906. a right wiping cylinder; 907. brushing; 908. scrubbing cotton cloth; 909. a solvent chamber; 910. a through hole; 911. a connecting pipe; 912. a solvent cartridge; 913. and (4) a valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, a high-efficiency twin-screw extruder comprises a frame 1, wherein a twin screw 3, a hopper 2, a driving motor 4 for driving the twin screw 3 to rotate and a reduction box 5 are respectively arranged on the frame 1.

Referring to fig. 1, a plurality of barrel assemblies 6 for wrapping two screws 3, an opening assembly 7 for driving the barrel assemblies 6 to be unfolded one by one, a power assembly 8 for driving the opening assembly 7 to move, and a cleaning assembly 9 for cleaning the barrel assemblies 6 and the twin screws 3 are respectively arranged on a frame 1; when raw materials with different colors need to be produced and replaced, the power assembly 8 drives the opening assembly 7 to unfold the barrel assembly 6, and then the cleaning assembly 9 cleans the barrel assembly 6 and the double screws 3, so that the working mode of cleaning resin is replaced, the use of resin is reduced, the waste of resin is reduced, the production cost is reduced, the time for cleaning the extruder can be shortened, the production raw materials can be replaced quickly, and the working efficiency is improved; when a plurality of barrel subassemblies 6 expand, power component 8 drive barrel subassembly 6 and expand one by one to can support screw rod 3, reduce screw rod 3 because unsettled lead to the possibility of warping.

Referring to fig. 1 and 2, the barrel assembly 6 includes an upper barrel 60 and a lower barrel 61, inner cavities 62 for the twin screws 3 to pass through are respectively disposed on the side walls of the upper barrel 60 and the lower barrel 61, the hopper 2 is disposed on the top wall of the upper barrel 60 near one side of the reduction gearbox 5, the upper barrel 60 and the lower barrel 61 are rotatably connected through a hinge shaft 63, the hinge shaft 63 is disposed along the axial direction of the screws 3, a plurality of support rods 64 connected with the hinge shaft 63 are disposed on the rack 1, the support rods 64 are disposed along the height direction of the driving motor 4, a plurality of springs 601 are disposed on the rack 1, and one end of the spring 601 far away from the rack 1 is abutted against the bottom wall of the lower barrel 61, so that the upper barrel 60 and.

Referring to fig. 1 and 2, one side of the upper cylinder 60 and one side of the lower cylinder 61, which are far away from the hinge shaft 63, are connected through a quick clamp 65, connecting rings 66 are respectively arranged on two opposite sides of the upper cylinder 60 and the lower cylinder 61 and on one side of the reduction gearbox 5, which is far away from the driving motor 4, adjacent connecting rings 66 are connected through a plurality of bolts 67, and one end of each bolt 67, which penetrates through the connecting ring 66, is in threaded connection with a nut 68.

Referring to fig. 2 and 3, a positioning groove 69 is formed in one side of the upper cylinder 60 close to the lower cylinder 61, a positioning bar 600 inserted into the positioning groove 69 is formed in one side of the lower cylinder 61 close to the upper cylinder 60, and the width of the positioning bar 600 is smaller than that of the positioning groove 69; when cleaning is required, the nut 68 is screwed off, the bolt 67 is removed, and the quick clamp 65 is opened, so that the upper cylinder 60 and the lower cylinder 61 and the adjacent upper cylinder 60 and lower cylinder 61 can be detached, and the upper cylinder 60 and the lower cylinder 61 can be unfolded; after cleaning, the quick clamp 65 is closed, the bolt 67 passes through the connecting ring 66 and then the nut 68 is screwed, so that the upper cylinder 60 and the lower cylinder 61 can be conveniently and quickly connected with the reduction gearbox 5, the adjacent upper cylinder 60 and lower cylinder 61 and the upper cylinder 60 and lower cylinder 61; when the upper and lower barrels 60, 61 are combined, the insertion of the lock bar 600 into the lock groove 69 is facilitated by the width of the lock bar 600 being smaller than the width of the lock groove 69; by inserting the positioning strip 600 into the positioning slot 69, the likelihood of deflection between the upper barrel 60 and the lower barrel 61 is reduced.

Referring to fig. 4, the power assembly 8 includes a power motor 80 disposed on the rack 1, the power motor 80 is preferably a servo motor, a rotating shaft 81 is disposed on a side wall of a motor shaft of the power motor 80, a plurality of limiting circular plates 801 are uniformly distributed on a side wall of the rotating shaft 81, notches 802 are disposed on side walls of the limiting circular plates 801, rotating rods 82 are disposed on one side of the side wall of the rotating shaft 81 and close to the notches 802, axes of adjacent rotating rods 82 are staggered, and an angle between axes of adjacent rotating rods 82 is preferably 120 degrees.

Referring to fig. 4, a power cylinder 800 is disposed on a side wall of the rotating rod 82, a rotating block 83 is disposed on an end wall of the power cylinder 800, and one end of the rotating block 83, which is far away from the power cylinder 800, extends into the notch 802.

Referring to fig. 4, a plurality of power rods 84 are rotatably disposed on the frame 1 along the axial direction of the rotating rod 82, the power rods 84 are located on one side of the rotating rod 82 close to the upper cylinder 60, a rotating plate 85 is rotatably disposed on a side wall of the power rods 84, a geometric center line of the rotating plate 85 is collinear with an axis of the power rods 84, a plurality of sliding slots 87 for inserting the rotating block 83 are uniformly distributed on a side wall of the rotating plate 85, a plurality of arc grooves 803 for inserting the limiting circular plate 801 are disposed on a side wall of the rotating plate 85, the arc grooves 803 are located between adjacent sliding slots 87, a maximum slot length of the arc grooves 803 is greater than a maximum length of the notch 802, the plurality of sliding slots 87 are uniformly distributed along the radial direction of the power rods 84, preferably three, and gears 88 are coaxially.

Referring to fig. 3 and 4, the opening assembly 7 includes a moving frame 70 disposed on the frame 1, the moving frame 70 is provided with a moving slot 73, the moving frame 70 is provided with a rack 71 sliding in the moving slot 73, the rack 71 is engaged with a gear 88, one side of the rack 71 close to the hinge shaft 63 is hinged with two pull rods 72, the two pull rods 72 are disposed in a vertically mirror image, the two pull rods 72 respectively extend to one side of the upper cylinder 60 and one side of the lower cylinder 61, and one ends of the two pull rods 72 far away from the rack 71 are respectively hinged with the upper cylinder 60 and the lower cylinder 61; when the upper cylinder 60 and the lower cylinder 61 need to be cleaned, the power motor 80 is started to rotate forward, so as to drive the rotating shaft 81 and the rotating rod 82 to rotate.

Referring to fig. 3 and 4, since the upper cylinder 60 and the lower cylinder 61 need to be opened one by one, when the rotating rod 82 rotates one turn, the rotating block 83 will continue to drive the rotating plate 85 to rotate, and at this time, the spreading angles of the upper cylinder 60 and the lower cylinder 61 are different, so that the cleaning assembly 9 cannot smoothly clean the inner cavity 62, when the corresponding upper cylinder 60 and the corresponding lower cylinder 61 need to be spread, the corresponding power cylinder 800 is started, the power cylinder 800 pushes the rotating block 83 to extend out, when the rotating rod 82 drives the rotating block 83 to rotate and slide into the sliding groove 87, the rotating block 83 drives the rotating plate 85 to rotate, the rotating block 83 slides out of the sliding groove 87 again, the power cylinder 800 drives the rotating block 83 to retract, the possibility that the rotating block 83 drives the rotating plate 85 to rotate again is reduced, and the possibility that the spreading angle between the upper cylinder 60 and the lower cylinder 61 is deviated is.

Referring to fig. 3 and 4, after the rotating plate 85 rotates, the rotating plate 85 drives the gear 88 to rotate, and the gear 88 drives the rack 71 to slide along the moving groove 73, and further drives the pull rod 72 to move, so that the upper cylinder 60 and the lower cylinder 61 can be driven to unfold along the hinge shaft 63, and thus the upper cylinder 60 and the lower cylinder 61 can be unfolded conveniently and quickly, and the upper cylinder 60, the lower cylinder 61 and the screw 3 can be cleaned.

Referring to fig. 3 and 4, after the upper cylinder 60 and the lower cylinder 61 are unfolded, since the upper cylinder 60 and the lower cylinder 61 have a certain weight, and the pull rod 72 is easily pulled forward to reset by the upper cylinder 60 and the lower cylinder 61, the rotation plate 85 is limited by the limiting circular plate 801 extending into the arc-shaped groove 803, so that the possibility of the rotation plate 85 is reduced, the possibility of the reset of the gear 88 and the rack 71 is reduced, and the possibility of the combination of the upper cylinder 60 and the lower cylinder 61 is reduced.

Referring to fig. 3 and 4, by using the axes of the plurality of rotating rods 82 to be staggered with each other, the rotating blocks 83 on the plurality of rotating rods 82 can be inserted into the sliding grooves 87 one by one, so that the upper cylinder 60 and the lower cylinder 61 can be opened one by one, and when the upper cylinder 60 and the lower cylinder 61 in front are opened, the upper cylinder 60 and the lower cylinder 61 in the rear can support the screw 3, thereby reducing the possibility of deformation due to sagging caused by the loss of support of the screw 3.

Referring to fig. 3 and 4, after cleaning, the power motor 80 rotates reversely, the power cylinder 800 pushes the rotating blocks 83 to slide one by one, so that the upper barrel 60 and the lower barrel 61 can be closed one by one, and the extruder can be used for production again.

Referring to fig. 4 and 5, the cleaning assembly 9 includes a fixing frame 90 disposed on the frame 1, a moving motor 91 is disposed on the fixing frame 90, the moving motor 91 is disposed on one side of the reduction gearbox 5 away from the power motor 80, a screw 92 is disposed on a side wall of a motor shaft of the moving motor 91, an axis of the screw 92 is parallel to an axis of the screw 3, the screw 92 is disposed on one side of the upper cylinder 60 away from the rotating shaft 81, a moving seat 93 is connected to a side wall of the screw 92 through a thread, a limit block 94 is disposed on a side wall of the moving seat 93, and a limit chute 95 for the limit block 94.

Referring to fig. 5 and 6, a vertical rod 96 is rotatably connected to the movable seat 93, two cleaning brush holders 97 are arranged on the vertical rod 96, the two cleaning brush holders 97 respectively extend above and below the screw 3, an upper cleaning brush group 98 and a lower cleaning brush group 99 are respectively arranged on the two cleaning brush holders 97, the upper cleaning brush group 98 comprises two upper cleaning brushes 900 for cleaning the inner cavity 62 of the upper machine barrel 60 and the two screws 3, the lower cleaning brush group 99 comprises two lower cleaning brushes 901 for cleaning the inner cavity 62 of the lower machine barrel 61 and the two screws 3, the upper cleaning brush 900 and the lower cleaning brush 901 respectively comprise cleaning barrels 904 arranged along the axial direction of the screws 3, one end of each cleaning barrel 904, which is close to the cleaning brush holder 97, is provided with a rotating shaft 902, one end of the rotating shaft 902, which is close to the cleaning brush holders 97, the cleaning motors 903 are fixedly arranged on the cleaning brush holders 97, each cleaning barrel 904 comprises a left cleaning barrel 905 and a right cleaning barrel 906, a plurality of bristles 907 are uniformly distributed on the outer side wall of the left cleaning barrel 905, the outer side wall of the right wiping cylinder 906 is provided with a wiping cotton cloth 908, and the thickness of the wiping cotton cloth 908 is larger than the height of the bristles 907.

Referring to fig. 6 and 7, a solvent chamber 909 is arranged in the right wiping cylinder 906, a plurality of through holes 910 are arranged on the inner side wall of the solvent chamber 909, a connecting pipe 911 communicated with the solvent chamber 909 is arranged on the end wall of the right wiping cylinder 906, a solvent box 912 for storing a cleaning solvent is arranged at one end of the connecting pipe 911 far away from the right wiping cylinder 906, and a valve 913 is arranged on the side wall of the connecting pipe 911; when the upper cylinder 60 and the lower cylinder 61 are unfolded, the upright 96 is rotated, the upper cleaning brush 900 and the lower cleaning brush 901 are respectively rotated above and below the screw rod 3, the extrusion bristles 907 are inserted into the inner cavity 62, the moving motor 91 (refer to fig. 5) is started, the lead screw 92 (refer to fig. 5) is driven to rotate, thereby driving the movable seat 93 to move, opening the valve 913, leading the solvent in the solvent box 912 to enter the solvent cavity 909 along the connecting pipe 911, wetting the scrubbing cotton cloth 908 through the through hole 910, starting the cleaning motor 903, driving the cleaning cylinder 904 to rotate, leading the bristles 907 to clean the inner cavity 62 and the screw 3, and scrubbing and cleaning the inner cavity 62 and the screw 3 through the scrubbing cotton cloth 908, therefore, the inner cavity 62 of the upper barrel 60, the inner cavity 62 of the lower barrel 61 and the screw 3 can be cleaned, and a resin cleaning mode is replaced, so that the waste of raw materials is reduced, and the production cost is reduced; the thickness of the scrubbing cotton cloth 908 is larger than the length of the bristles 907, so that the scrubbing cotton cloth 908 can be extruded, the friction force between the scrubbing cotton cloth 908 and the inner cavity 62 and between the scrubbing cotton cloth 908 and the screw 3 is increased, and the cleaning effect is improved.

The implementation principle of the above embodiment is as follows: drive barrel subassembly 6 through power component 8 and expand one by one, rethread clearance subassembly 9 clearance section of thick bamboo 904 body subassembly 6 and twin-screw 3 to this mode that can replace using resin to clear up reduces extravagant resin, reduces manufacturing cost.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a high efficiency twin-screw extruder, includes frame (1), sets up hopper (2), twin-screw (3) and drive twin-screw (3) pivoted driving motor (4) and reducing gear box (5) in frame (1) respectively, its characterized in that: the device is characterized by further comprising a plurality of barrel assemblies (6) which are arranged on the rack (1) and used for wrapping the two screws (3), wherein the rack (1) is respectively provided with an opening assembly (7) which is used for driving the barrel assemblies (6) to be unfolded one by one, a power assembly (8) which is used for driving the opening assembly (7) to move and a cleaning assembly (9) which is used for cleaning the barrel assemblies (6) and the two screws (3).

2. A high efficiency twin screw extruder as claimed in claim 1 wherein: the barrel assembly (6) includes an upper barrel (60) and a lower barrel (61), the side walls of the upper machine barrel (60) and the lower machine barrel (61) are respectively provided with an inner cavity (62) for the double screws (3) to pass through, the upper cylinder (60) and the lower cylinder (61) are rotationally connected through a hinge shaft (63), the articulated shaft (63) is arranged along the axial direction of the screw rod (3), a plurality of support rods (64) connected with the articulated shaft (63) are arranged on the frame (1), the side of the upper cylinder (60) and the lower cylinder (61) far away from the articulated shaft (63) is connected by a quick clamp (65), the two opposite sides of the upper machine barrel (60) and the lower machine barrel (61) are respectively provided with a connecting ring (66), the adjacent connecting rings (66) are connected through a plurality of bolts (67), one end of the bolt (67) penetrating through the connecting ring (66) is connected with a nut (68) in a threaded mode.

3. A high efficiency twin screw extruder as claimed in claim 2 wherein: the power assembly (8) comprises a power motor (80) arranged on the rack (1) and a rotating shaft (81) arranged on the side wall of a motor shaft of the power motor (80), wherein a plurality of limiting circular plates (801) are uniformly distributed on the side wall of the rotating shaft (81), a notch (802) is arranged on the side wall of each limiting circular plate (801), a rotating rod (82) is arranged on one side of the side wall of the rotating shaft (81) close to the notch (802) and is adjacent to the side wall of the rotating rod (82), a rotating block (83) is arranged at one end of the rotating rod (82) far away from the rotating shaft (81), one end of the rotating block (83) far away from the rotating rod (82) extends into the notch (802), a plurality of power rods (84) are arranged on the rack (1) and rotate along the axial direction of the rotating rod (82), a rotating plate (85) is arranged on the side wall of the power rods, a plurality of sliding grooves (87) for inserting the rotating blocks (83) are uniformly distributed on the side wall of the rotating plate (85), a plurality of arc-shaped grooves (803) for the limiting circular plate (801) to extend into are formed in the side wall of the rotating plate (85), the arc-shaped grooves (803) are located between the adjacent sliding grooves (87), a plurality of sliding grooves (87) are uniformly distributed along the radial direction of the power rod (84), and gears (88) are arranged on the side wall of the power rod (84); open subassembly (7) including setting up removal frame (70) on frame (1), it is equipped with rack (71) with gear (88) meshing to slide on removal frame (70), one side that rack (71) are close to articulated shaft (63) articulates there are two pull rods (72), two pull rod (72) extend to one side of barrel (60) and lower barrel (61) respectively, two one end that rack (71) were kept away from in pull rod (72) is connected with last barrel (60) and lower barrel (61) are articulated respectively.

4. A high efficiency twin screw extruder as claimed in claim 3 wherein: be equipped with power cylinder (800) on the lateral wall of dwang (82), turning block (83) set up on the end wall of power cylinder (800).

5. A high efficiency twin screw extruder as claimed in claim 3 wherein: and a positioning groove (69) is formed in one side, close to the lower machine barrel (61), of the upper machine barrel (60), and a positioning strip (600) inserted into the positioning groove (69) is formed in one side, close to the upper machine barrel (60), of the lower machine barrel (61).

6. A high efficiency twin screw extruder as claimed in claim 2 wherein: the cleaning assembly (9) comprises a fixed frame (90) arranged on the rack (1), a moving motor (91) arranged on the fixed frame (90) and a lead screw (92) arranged on the side wall of a motor shaft of the moving motor (91), the lead screw (92) is arranged along the axial direction of the screw (3), the side wall of the lead screw (92) is in threaded connection with a moving seat (93), a limit block (94) is arranged on the side wall of the moving seat (93), and a limit sliding chute (95) for the limit block (94) to slide is arranged on the fixed frame (90); move and rotate on seat (93) and be connected with pole setting (96), be equipped with two clearance brush holders (97) on pole setting (96), two clearance brush holder (97) extend to the top and the below of screw rod (3) respectively, two be equipped with clearance brush group (98) and lower clearance brush group (99) on clearance brush holder (97) respectively, go up clearance brush group (98) including two clearance upper barrel (60) inner chamber (62) and upper cleaning brush (900) of two screw rods (3), clearance brush group (99) includes lower cleaning brush (901) of barrel (61) inner chamber (62) and two screw rods (3) down under two clearances.

7. A high efficiency twin screw extruder as claimed in claim 6, wherein: one ends of the upper cleaning brush (900) and the lower cleaning brush (901) close to the cleaning brush holder (97) are both provided with rotating shafts (902), one ends of the rotating shafts (902) close to the cleaning brush holder (97) are provided with cleaning motors (903), and the cleaning motors (903) are arranged on the cleaning brush holder (97);

go up cleaning brush (900) and lower cleaning brush (901) and all include a cleaning barrel (904), axial setting along screw rod (3) is followed in cleaning barrel (904), cleaning barrel (904) is wiped a section of thick bamboo (906) including left brush section of thick bamboo (905) and right, the equipartition has a plurality of brush hair (907) on the lateral wall of a left side brush section of thick bamboo (905), it cleans cotton cloth (908) to be equipped with on the lateral wall of a right side wiping section of thick bamboo (906), the thickness of cleaning cotton cloth (908) is greater than the height of brush hair (907).

8. A high efficiency twin screw extruder as claimed in claim 7 wherein: a solvent cavity (909) is arranged in the right wiping cylinder (906), a plurality of through holes (910) are formed in the inner side wall of the solvent cavity (909), a connecting pipe (911) communicated with the solvent cavity (909) is arranged on the end wall of the right wiping cylinder (906), a solvent box (912) is arranged at one end, far away from the right wiping cylinder (906), of the connecting pipe (911), and a valve (913) is arranged on the side wall of the connecting pipe (911).