CN213166754U

CN213166754U - Single screw extruder

Info

Publication number: CN213166754U
Application number: CN202021977692.2U
Authority: CN
Inventors: 唐建军
Original assignee: Hangzhou Lin'an Yangshi Cable Material Co ltd
Current assignee: Hangzhou Lin'an Yangshi Cable Material Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-11
Anticipated expiration: 2030-09-10

Abstract

The application relates to the technical field of processing machinery equipment, in particular to a single-screw extruder which comprises a frame, an extruding device arranged on the frame, a driving device arranged at one end of the extruding device, a discharging device arranged at the other end of the extruding device and a feeding hopper arranged at the upper end of the extruding device, the feeding hopper is communicated with an extruding device, the extruding device comprises a machine barrel and a screw rod arranged in the machine barrel, a baffle plate is arranged on the side wall of one end of the machine barrel, which is close to the driving device, a first flanging is arranged on one side of the baffle plate, which faces the machine barrel, the first flanging surrounds the cylinder opening of the cylinder, the first flanging is connected with the cylinder through a locking component, the driving device comprises a rotating motor and a transmission assembly, the transmission assembly penetrates through the shielding plate and is fixedly connected with one end of the screw rod, and the rotating motor drives the transmission assembly to rotate. This application can be convenient for wash extruder inside.

Description

Single screw extruder

Technical Field

The application relates to the technical field of processing mechanical equipment, in particular to a single-screw extruder.

Background

The single screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, can be used for processing various plastic products, such as blown film, extruded tube, press plate, wire drawing belt and the like, and can also be used for melt granulation. When the cable material is pelletized, a single-screw extruder is generally used for the pelletization.

Through retrieval, Chinese patent publication No. CN204749216U discloses a single-screw extruder for producing a low-smoke halogen-free cable material, which comprises an extruder body and a die head arranged on the extruder body, wherein a cover body is arranged on the die head, and a dust suction device is arranged on the cover body; the dust collection device comprises an air duct arranged on the cover body, and one end of the air duct is connected with the fan; a filter screen is arranged at the joint of the cover body and the air duct. Through improving the structure at die head position, use dust extraction with the die head and cut the produced powder suction of grain process, prevent that it from gathering, melting at the die head high temperature and become the die head die death material, and the filter screen that is in the wind channel mouth then can block finished product plastic pellet, only makes the powder pass through, reaches the effect of separation, has guaranteed the quality of product, has reduced the die head clearance number of times, has fine practicality, can produce fine economic benefits and social.

With respect to the related art among the above, the inventors consider that the following drawbacks exist:

above-mentioned extruder has some materials to remain on the inner wall after the ejection of compact, and the barrel clearance is inconvenient, when using next time, needs to use some materials earlier and gets into the extruder and push out with remaining material before, leads to the waste of material.

SUMMERY OF THE UTILITY MODEL

In order to facilitate cleaning of the extruder barrel, the present application provides a single screw extruder.

The application provides a single screw extruder adopts following technical scheme: including frame, setting extrusion device in the frame, setting at the drive arrangement of extrusion device one end, setting at the discharging device of the extrusion device other end and set up the feeding funnel in the extrusion device upper end, feeding funnel and extrusion device intercommunication, extrusion device includes the barrel and sets up at the inside screw rod of barrel, the one end lateral wall that the barrel is close to drive arrangement is provided with the shielding plate, the shielding plate is provided with the first turn-ups of a week towards barrel one side, first turn-ups surrounds the barrel nozzle, first turn-ups passes through locking Assembly with the barrel and is connected, drive arrangement includes rotating electrical machines and transmission assembly, transmission assembly passes the one end fixed connection of shielding plate and screw rod, rotating electrical machines drives transmission assembly and rotates.

Through adopting above-mentioned technical scheme, after once using the completion, the accessible is dismantled locking Assembly and is come drive arrangement together with shielding plate and screw rod to dismantle, conveniently clears up screw rod and the remaining material of barrel inner wall.

Preferably, locking Assembly includes extensible member, locating part, power supply and fixed plate, the extensible member sets up in barrel one side along barrel length direction, extensible member is along barrel length direction sliding connection, the locating part is connected with the extensible member, and makes the extensible member remove along barrel length direction, the fixed plate is provided with two, two the fixed plate respectively with the both ends fixed connection of extensible member, one the fixed plate supports tightly with the one end terminal surface that discharging device kept away from the barrel and is connected, another the fixed plate supports tightly with the one end terminal surface that the barrel was kept away from to the shielding plate and is connected.

Through adopting above-mentioned technical scheme, when the extruder was operated, the fixed plate that telescopic link and both ends are connected was connected shielding plate, discharging device and barrel, when the screw rod in the barrel was cleared up to needs, the driving power source mediated extension piece length for the fixed plate is loosened with the one side that shielding plate and discharging device offset, conveniently takes off shielding plate and discharging device and washs.

Preferably, the telescopic part includes two telescopic links and a sleeve, the sleeve inner wall is provided with a threaded passage penetrating through the sleeve, the threaded passage is provided along the length direction of the sleeve, one end of each telescopic link is in threaded connection with the threaded passage at two ends of the sleeve, one end of each telescopic link, which is far away from the sleeve, is fixedly connected with the corresponding fixed plate, the machine barrel is provided with a sliding chute towards one side of each telescopic part, the sliding chutes are provided along the length direction of the machine barrel, the limiting part includes two moving rods and two moving blocks, the two telescopic links are connected with the corresponding moving rods towards one sides of the corresponding sliding chutes, one end of each moving rod, which is far away from the telescopic links, is connected with the corresponding moving blocks, and each moving block is connected in the.

Through adopting above-mentioned technical scheme, through the rotation of drive power supply control sleeve, effectively realize adjusting the telescopic link and wear to establish the length in the sleeve, and when adjusting extensible member length, the sleeve rotates under the drive of power supply, set up carriage release lever and sliding connection at the telescopic link towards barrel one side in the movable block in the spout, can effectively carry on spacingly to the telescopic link, make the telescopic link move along barrel length direction all the time, thereby realize mediating the length of telescopic link, carry out the dismouting shielding plate.

Preferably, be provided with the driven gear of a week on the sleeve surface, the power supply includes drive gear and adjustment motor, driven gear is connected with drive gear meshing, drive gear coaxial with adjustment motor's output shaft.

Through adopting above-mentioned technical scheme, the adjustment motor can drive gear rotatory, and drive gear and driven gear meshing drive driven gear and rotate, driven gear and sleeve fixed connection, when driven gear drives the sleeve and rotates, the telescopic link and the telescopic length at adjustable both ends to adjust the tight degree of support between shielding plate and the barrel, effectively realize the automatic dismouting when needs wash the extruder, use manpower sparingly.

Preferably, two fixed plates are provided with rubber layers on one side surface close to the machine barrel.

Through adopting above-mentioned technical scheme, set up the rubber layer on one side of fixed plate and shielding plate, ejection of compact board butt, effectively play the cushioning effect for shielding plate, ejection of compact board are not fragile.

Preferably, the transmission assembly comprises a rotating rod, a first gear and a second gear which are meshed with each other, one end of the rotating rod penetrates through the baffle plate and is fixedly connected with the screw rod, the other end of the rotating rod is fixedly connected with the first gear, and an output shaft of the rotating motor is fixedly connected with the second gear.

Through adopting above-mentioned technical scheme, the rotating electrical machines that sets up in section of thick bamboo below drives the second gear and rotates, first gear and second gear meshing, therefore the second gear drives first gear and rotates to drive dwang and screw rod rotation, when dismantling the shielding plate, directly with first gear and second gear dismantle can, be convenient for directly wash shielding plate and screw rod, and need not remove the rotating electrical machines, save strength.

Preferably, an inner cylinder is arranged in the machine barrel and is in sliding connection with the machine barrel, one end of the inner cylinder is fixedly connected with the end face, close to the screw, of the baffle plate, the other end of the inner cylinder is in abutting connection with the end face, close to the machine barrel, of the discharging device, and the inner wall of the inner cylinder is in clearance fit with the screw.

By adopting the technical scheme, after the screw is taken out of the barrel for cleaning, the inner wall of the barrel connected with the machine body is inconvenient to clean, so that the inner barrel is arranged between the screw and the barrel, when the screw is taken out of the barrel, the inner barrel can be taken out for cleaning, and the inner wall of the barrel does not need to be cleaned.

Preferably, discharging device includes play flitch and granulation subassembly, be provided with the second turn-ups of a week on the play flitch, the second turn-ups just surrounds the barrel nozzle towards barrel one side, be provided with a plurality of discharge openings on the play flitch, the granulation subassembly includes granulation motor and granulation blade, granulation motor is coaxial with a play flitch, granulation blade one end passes through the fastener with the output shaft of granulation motor and is connected, it is gapped between the granulation blade other end and the fixed plate.

Through adopting above-mentioned technical scheme, set up discharging device in a section of thick bamboo one side, extrude the back with the material from the discharge opening at the extruder, drive granulation motor and drive the granulation blade and rotate, directly cut the material for granular, and when needs rinse discharging device, take off the fastener, take off back granulation blade and granulation motor, rethread telescopic link and sleeve between length adjustment, will go out the flitch and take off and rinse.

To sum up, the application comprises the following beneficial technical effects:

after the one-time use is finished, the driving device, the baffle plate and the screw can be detached by detaching the locking assembly, so that the screw and residual materials on the inner wall of the machine barrel can be conveniently cleaned;

the length of the telescopic rod penetrating through the sleeve is effectively adjusted by driving the power source to control the forward and backward rotation of the sleeve, when the length of the telescopic piece is adjusted, the sleeve is driven by the power source to rotate, a moving rod and a moving block are arranged on one side, facing the machine barrel, of the telescopic rod, the moving block is connected in the sliding groove in a sliding mode, the telescopic rod can be effectively limited, the telescopic rod can move along the length direction of the machine barrel all the time, the length of the telescopic rod is adjusted, and therefore the shielding plate can be assembled and disassembled;

set up discharging device in barrel one side, extrude the back with the material from the discharge opening at the extruder, drive granulation motor and drive the granulation blade and rotate, directly cut the material for granular, and when needs rinse discharging device, take off the fastener, take off back granulation blade and granulation motor, rethread telescopic link and sleeve between length adjustment, will go out the flitch and take off and rinse.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic diagram of an explosive structure according to an embodiment of the present application.

Reference numerals: 1. a frame; 2. an extrusion device; 21. a barrel; 211. a chute; 22. a screw; 23. an inner barrel; 24. a shielding plate; 25. a first flanging; 3. a drive device; 31. a rotating electric machine; 32. a transmission assembly; 321. rotating the rod; 322. a first gear; 323. a second gear; 4. a discharging device; 41. a discharge plate; 411. a discharge hole; 412. second flanging; 42. a pelletizing assembly; 421. a granulating blade; 422. a granulation motor; 5. feeding a hopper; 6. a locking assembly; 61. a telescoping member; 611. a telescopic rod; 612. a sleeve; 613. a threaded passage; 614. a driven gear; 62. a power source; 621. a drive gear; 622. adjusting the motor; 63. a fixing plate; 64. a limiting member; 641. a travel bar; 642. a moving block; 65. a rubber layer; 7. a circular ring plate; 8. a support rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a single-screw extruder. As shown in fig. 1, the device comprises a frame 1, an extruding device 2 arranged on the frame 1, a driving device 3 arranged at one end of the extruding device 2, a discharging device 4 arranged at the other end of the extruding device 2, and a feeding hopper 5 arranged at the upper end of the extruding device 2.

The extrusion device 2 includes a cylinder 21, an inner cylinder 23 installed inside the cylinder 21, and a screw 22 installed inside the inner cylinder 23, and the charging hopper 5 communicates with the cylinder 21 and the inner cylinder 23. The inner cylinder 23 is slidably connected in the machine barrel 21, and the screw 22 is in clearance fit with the inner wall of the inner cylinder 23. The side of the cylinder 21 close to the driving device 3 is connected with a shielding plate 24, a first flanging 25 is arranged on the side of the shielding plate 24 facing the cylinder 21, and the first flanging 25 shields the opening of the cylinder 21.

The discharging device 4 includes a discharging plate 41 and a granulating component 42, a second flange 412 is installed on one side of the discharging plate 41 facing the cylinder 21, the second flange 412 shields the opening of the cylinder 21, and a plurality of discharging holes 411 are opened on the discharging plate 41. The granulating assembly 42 comprises a granulating motor 422 and a granulating blade 421, one end of the granulating blade 421 is connected with an output shaft of the granulating motor 422 through a fastener, and one side of the granulating blade 421, which is far away from the granulating motor 422, is in contact connection with one side of the discharging plate 41, which is far away from the machine barrel 21. The discharge plate 41, the shutter 24 and the barrel 21 are connected by a locking assembly 6.

The driving device 3 includes a rotating motor 31 and a transmission assembly 32, the transmission assembly 32 includes a rotating rod 321, a first gear 322 and a second gear 323, one end of the rotating rod 321 passes through the shielding plate 24 and is connected with one end of the screw rod 22, the other end of the rotating rod 321 is fixedly connected with the first gear 322, the second gear 323 is meshed with the first gear 322 and is arranged below the first gear 322, and an output shaft of the rotating motor 31 is connected with the second gear 323. When the extruder is operated, the rotating motor 31 is driven to rotate the second gear 323, and the second gear 323 drives the first gear 322 in meshed connection to rotate, so that the rotating rod 321 drives the screw 22 to rotate. When the operation is finished, a small amount of residual materials are adhered to the inner cylinder 23 and the screw 22, the shielding plate 24 and the discharging plate 41 can be removed by adjusting the locking assembly 6, the screw 22 and the inner cylinder 23 are removed for cleaning, and the inner cylinder 23 keeps the inner wall of the machine barrel 21 clean all the time.

The locking assembly 6 includes an expansion piece 61, a limiting piece 64, a power source 62 and a fixing plate 63, the expansion piece 61 is disposed on one side of the barrel 21, the expansion piece 61 includes two expansion rods 611 and a sleeve 612, the expansion piece 61 is slidably connected along a length direction of the barrel, a threaded passage 613 is disposed in the sleeve 612 and extends along the length direction of the sleeve 612 and penetrates through the sleeve 612, one end of each expansion rod 611 is screwed with the threaded passage 613 at two ends of the sleeve 612, one end of each expansion rod 611 away from the sleeve 612 is fixedly connected with the corresponding fixing plate 63, and the two fixing plates 63 are respectively connected with the shielding plate 24 and the discharging plate 41 in a pressing manner.

The barrel 21 has two sliding grooves 211 respectively formed on one side facing the two telescopic rods 611, the two sliding grooves 211 are formed along the length direction of the barrel 21, and the limiting member 64 includes two moving rods 641 and two moving blocks 642. One side of each of the two telescopic rods 611 facing the corresponding sliding groove 211 is connected to a corresponding moving rod 641, one end of each moving rod 641, which is far away from the telescopic rod 611, is connected to a corresponding moving block 642, and each moving block 642 is slidably connected to the corresponding sliding groove 211.

When the length of the telescopic member 61 is adjusted, the sleeve 612 is driven by the power source 62 to rotate, and the movable rod 641 and the movable block 642 slidably connected in the sliding groove 211 are arranged on the side of the telescopic rod 611 facing the machine barrel 21, so that the telescopic rod 611 can be effectively limited, and the telescopic rod 611 can always move along the length direction of the machine barrel 21.

A driven gear 614 is mounted on the outer surface of the sleeve 612, the power source 62 includes a driving gear 621 and an adjusting motor 622, the driven gear 614 is meshed with the driving gear 621, and one end of the driving gear 621 is connected with an output shaft of the adjusting motor 622. A ring plate 7 is installed on the outer side of the sleeve 612, the sleeve 612 is connected in the ring plate 7 in a sliding manner, the ring plate 7 is fixedly connected with a supporting rod 8 facing one side of the machine barrel 21, and the supporting rod 8 and the ring plate 7 play a supporting role in the whole telescopic piece 61, so that the structure between the whole locking assembly 6 and the machine barrel 21 is more stable.

When the extruder is operated, the baffle plate 24, the discharging device 4 and the machine barrel 21 are connected by the telescopic rod 611 and the fixing plate 63 connected with the two ends, and when the screw 22 in the machine barrel 21 needs to be cleaned, the length of the telescopic piece 61 is adjusted by the driving power source 62, so that one surface of the fixing plate 63, which is abutted against the baffle plate 24 and the discharging device 4, is loosened, and the baffle plate 24 and the discharging device 4 are conveniently taken down for cleaning.

One rubber layer 65 is arranged on one side face, close to the machine barrel 21, of each of the two fixing plates 63, the rubber layer 65 is arranged on one side, abutted against the fixing plate 63, the shielding plate 24 and the discharging plate 41, so that the buffering effect is effectively achieved, and the shielding plate 24 and the discharging plate 41 are not easy to damage.

The adjustment of the length of the sleeve connection between the telescopic rod 611 and the sleeve 612 can be realized by adjusting the motor 622 to drive the driving gear 621 to rotate, and the driving gear 621 is meshed with the driven gear 614 to drive the driven gear 614 to rotate, the driven gear 614 is fixedly connected with the sleeve 612, when the driven gear 614 drives the sleeve 612 to rotate, the lengths of the telescopic rod 611 and the sleeve 612 at two ends can be adjusted, so that the abutting degree between the shielding plate 24 and the machine barrel 21 can be adjusted, and the shielding plate 24 and the discharge plate 41 can be conveniently disassembled and assembled in a labor-saving manner.

The implementation principle of the single-screw extruder in the embodiment of the application is as follows:

when the residual material in the cylinder 21 needs to be cleaned, the first gear 322 and the second gear 323 are detached, then the adjusting motor 622 is driven to drive the driving gear 621 to rotate, the driving gear 621 is meshed with the driven gear 614, so as to drive the driven gear 614 to rotate, the driven gear 614 drives the sleeve 612 to rotate, the sleeve 612 is screwed with the telescopic rods on the two sides, and the moving block 642 and the moving rod 641 limit the telescopic rod 611 to rotate, so that the telescopic rod 611 slides away from the sleeve 612 after the sleeve 612 rotates, the fixing plate 63 and the corresponding baffle plate 24 and the corresponding discharging plate 41 are loosened, and an operator detaches the screw 22, the inner cylinder 23, the baffle plate 24 and the discharging plate 41 to clean. After the cleaning, the inner cylinder 23 and the screw 22 are placed in the machine barrel 21, the shielding plate 24 and the discharging plate 41 shield the opening of the machine barrel 21, and then the adjusting motor 622 is driven to move the telescopic rod 611 to the direction close to the sleeve 612 until the fixing plate 63 abuts against the corresponding shielding plate 24 and the discharging plate 41, so that the installation is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A single screw extruder which is characterized in that: comprises a rack (1), an extrusion device (2) arranged on the rack (1), a driving device (3) arranged at one end of the extrusion device (2), a discharging device (4) arranged at the other end of the extrusion device (2) and a feeding hopper (5) arranged at the upper end of the extrusion device (2), wherein the feeding hopper (5) is communicated with the extrusion device (2), the extrusion device (2) comprises a machine barrel (21) and a screw rod (22) arranged in the machine barrel (21), a shielding plate (24) is arranged on the side wall of one end, close to the driving device (3), of the machine barrel (21), the shielding plate (24) is provided with a circle of first flanging (25) facing one side of the machine barrel (21), the first flanging (25) surrounds the opening of the machine barrel (21), the first flanging (25) is connected with the machine barrel (21) through a locking component (6), the driving device (3) comprises a rotating motor (31) and a transmission component (32), the transmission assembly (32) penetrates through the shielding plate (24) and is fixedly connected with one end of the screw rod (22), and the rotating motor (31) drives the transmission assembly (32) to rotate.

2. A single screw extruder according to claim 1, wherein: locking Assembly (6) include extensible member (61), locating part (64), power supply (62) and fixed plate (63), extensible member (61) set up in barrel (21) one side along barrel (21) length direction, extensible member (61) are along barrel (21) length direction sliding connection, locating part (64) are connected with extensible member (61), and make extensible member (61) remove along barrel (21) length direction, fixed plate (63) are provided with two, two fixed plate (63) respectively with the both ends fixed connection of extensible member (61), one fixed plate (63) and discharging device (4) keep away from the one end terminal surface of barrel (21) and support tightly to be connected, another fixed plate (63) and shielding plate (24) keep away from the one end terminal surface of barrel (21) and support tightly to be connected.

3. A single screw extruder according to claim 2, wherein: the telescopic part (61) comprises two telescopic rods (611) and a sleeve (612), a threaded channel (613) penetrating through the sleeve (612) is formed in the inner wall of the sleeve (612), the threaded channel (613) is formed in the length direction of the sleeve (612), one end of each telescopic rod (611) is in threaded connection with the threaded channel (613) at the two ends of the sleeve (612), one end, far away from the sleeve (612), of each telescopic rod (611) is fixedly connected with a corresponding fixing plate (63), one side, facing the two telescopic parts (61), of the machine barrel (21) is provided with a sliding groove (211), the two sliding grooves (211) are formed in the length direction of the machine barrel (21), the limiting part (64) comprises two moving rods (641) and two moving blocks (642), one side, facing the corresponding sliding groove (211), of each telescopic rod (611) is connected with the corresponding moving rod (641), one end, far away from the telescopic rod (611), of each moving rod (641) is connected with a corresponding moving block (642), and each moving block (642) is connected in a corresponding sliding groove (211) in a sliding mode.

4. A single screw extruder according to claim 3, wherein: be provided with driven gear (614) of a week on sleeve (612) surface, power supply (62) are including drive gear (621) and adjustment motor (622), driven gear (614) are connected with drive gear (621) meshing, the coaxial and output shaft with adjustment motor (622) of drive gear (621).

5. A single screw extruder according to claim 3, wherein: and rubber layers (65) are arranged on one side surfaces, close to the machine barrel (21), of the two fixing plates (63).

6. A single screw extruder according to claim 1, wherein: transmission assembly (32) include a dwang (321) and intermeshing's first gear (322), second gear (323), the one end fixed connection of shielding plate (24) and screw rod (22) is passed to the one end of dwang (321), the other end and first gear (322) fixed connection of dwang (321), the output shaft and second gear (323) fixed connection of rotating electrical machines (31).

7. A single screw extruder according to claim 1, wherein: the novel feeding device is characterized in that an inner cylinder (23) is arranged in the machine barrel (21), the inner cylinder (23) is in sliding connection with the machine barrel (21), one end face of one end, close to the screw rod (22), of the inner cylinder (23) is fixedly connected with the end face of one end, close to the machine barrel (21), of the baffle plate (24), the other end of the inner cylinder (23) is in abutting connection with the end face of one end, close to the machine barrel (21), of the discharging device (4), and the inner wall of the inner cylinder (.

8. A single screw extruder according to claim 1, wherein: discharging device (4) are including ejection of compact board (41) and granulation subassembly (42), be provided with second turn-ups (412) of a week on ejection of compact board (41), second turn-ups (412) are towards barrel (21) one side, and surround barrel (21) nozzle, be provided with a plurality of discharge opening (411) on ejection of compact board (41), granulation subassembly (42) are including granulation motor (422) and granulation blade (421), granulation motor (422) are coaxial with ejection of compact board (41), granulation blade (421) one end passes through the fastener with the output shaft of granulation motor (422) and is connected, it is gapped between granulation blade (421) other end and fixed plate (63).