CN210282851U

CN210282851U - Granulating mechanism of underwater granulator

Info

Publication number: CN210282851U
Application number: CN201920978718.6U
Authority: CN
Inventors: 邹涛
Original assignee: Nanjing Norda Xinye Extrusion Equipment Co Ltd
Current assignee: Nanjing Norda Xinye Extrusion Equipment Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-10
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a pelleter of underwater granulator constructs uses and relates to plastics granulation processing field, and its technical scheme main points are: the extrusion die comprises a water circulation pipeline, a guide rail, a servo motor, a rotary cutter and an extruder, wherein the servo motor is arranged on the guide rail and slides along the guide rail, the rotary cutter is arranged on a motor shaft of the servo motor, the extruder is arranged at one end of the guide rail, a discharge port is formed in the extruder, a plurality of connecting columns are arranged on a servo motor shell and extend towards the rotary cutter, an extrusion die plate is arranged at one end, close to the rotary cutter, of each connecting column, a plurality of extrusion holes are formed in the extrusion die plate, the extrusion die plate is matched with the discharge port, the cutting track of the rotary cutter is matched with the shape of the extrusion die plate, and; the advantages are that: the extrusion die plate is connected with the shell of the servo motor, so that the abutting degree between the extrusion die plate and the cutter is limited, the cutter is protected, and the possibility of cutting quality reduction is reduced.

Description

Granulating mechanism of underwater granulator

Technical Field

The utility model belongs to the technical field of plastics granulation processing and specifically relates to a grain cutting mechanism of underwater pelletizer is related to.

Background

The plastic granulating process is one plastic machining process, and the plastic granulating machine includes mainly preheating unit, cooling unit and extruder. The extruder set is used in different applications and has different auxiliary equipment for selection. Such as a pelletizing device, a blow dryer, etc.

The extruder discharge port of the underwater pelletizer is abutted against the extrusion template through the rotary cutter, so that the rotary cutter is matched with the extrusion template to cut the extruded material from the extrusion template when moving, the plastic raw material in a molten state is cut into particles, and then the particles are cooled and transported to the next process through a water circulation pipeline.

Means such as promote through the cylinder makes the cutter stretch into the discharge gate inside usually among the prior art to inconsistent with extruding the template, the too big cutter wearing and tearing aggravation that leads to of conflict power during the conflict, and the cutter with extrude the template contact not strictly can make the cutter can't with extrude the template cooperation shearing material, lead to the cutting quality to descend. Because the water circulation pipeline can make discharge gate department fill with water in the course of the work, so need airtight discharge gate when the cutter stretches into the discharge gate, make the staff be difficult to adjust the tight degree of support between cutter and the extrusion template.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pelleter of underwater granulator constructs, its advantage: the extrusion die plate is connected with the shell of the servo motor, so that the abutting degree between the extrusion die plate and the cutter is limited, the cutter is protected, and the possibility of cutting quality reduction is reduced.

The above technical purpose of the present invention can be achieved by the following technical solutions: a granulating mechanism of an underwater granulator comprises a water circulation pipeline, a guide rail, a servo motor, a rotary cutter and an extruder, wherein the servo motor is arranged on the guide rail and slides along the guide rail, the rotary cutter is arranged on a motor shaft of the servo motor, the extruder is arranged at one end of the guide rail, a discharge port is arranged on the extruder, a water inlet and a water outlet of the water circulation pipeline are communicated with the discharge port and are respectively arranged at the bottom end and the top end of the inner side wall of the discharge port, the motor shaft of the servo motor extends towards the direction of the discharge port, a plurality of connecting columns are arranged on the servo motor shell and extend towards the direction of the rotary cutter, an extrusion template is arranged at one end of each connecting column close to the rotary cutter, a plurality of extrusion holes are arranged on the extrusion template, the extrusion template is matched with the discharge port, and the cutting track of, the rotary cutter is abutted against the extrusion template.

By adopting the technical scheme, in the actual working process, a worker firstly extends the rotary cutter and the extrusion template into the discharge hole, the extrusion template is abutted against the side wall of the discharge hole, the extruder conveys the molten plastic to the discharge hole, the molten plastic is extruded into a strip shape through the extrusion template, then the back cutting knife is matched with the surface of the extrusion template to cut the strip plastic into particles, a water circulation pipeline leads water to enter a discharge hole from a water inlet, the melted particle plastic is cooled and is carried to the next working procedure by flowing water through a water outlet, because the extrusion template is connected with the shell of the servo motor through the connecting column and the rotary cutter is arranged on the motor shaft of the servo motor, the pushing degree between the extrusion template and the rotary cutter is fixed, the condition that the cutter is abraded and aggravated due to overlarge pushing force between the rotary cutter and the extrusion template is reduced, and the condition that the cutting quality is reduced due to the fact that the rotary cutter is not in tight contact with the extrusion template is also reduced.

The utility model discloses further set up to: the servo motor is characterized in that a connecting hole matched with the connecting column is formed in the shell of the servo motor, the connecting column penetrates into the connecting hole, an adjusting sleeve is rotatably connected to the side wall of the orifice of the connecting hole, and the adjusting sleeve is in threaded connection with the connecting column.

By adopting the technical scheme, the length of the connecting column extending out of the connecting hole is adjusted by rotating the adjusting sleeve, so that the abutting degree between the extrusion template and the rotary cutter is adjusted; make spliced pole and connecting hole separation through rotatory adjusting collar to take off the spliced pole and extrude the template, the spliced pole hinders the condition that the staff operated with extruding the template when having reduced the cutter that needs to be changed or polished, has increased the practicality of device.

The utility model discloses further set up to: the circumferential outline of the extrusion template is sleeved with a sealing ring.

By adopting the technical scheme, the sealing performance between the extrusion template and the wall of the discharge port when extending into the discharge port is improved, the possibility that the normal work of the device is influenced by extruding the molten plastic from the gap between the wall of the discharge port and the extrusion template is reduced, and the reliability of the device is improved.

The utility model discloses further set up to: and scales are arranged on the connecting columns along the axis direction.

Through adopting above-mentioned technical scheme, the staff makes a plurality of spliced poles stretch out the length of connecting hole the same through referring to scale rotation regulation cover, reduces because the spliced pole stretches out the connecting hole length difference and causes extrusion tooling slope, makes the circumstances that the gyration cutter contradicts inhomogeneously with the extrusion die board and influences cutting quality.

The utility model discloses further set up to: and a one-way valve is arranged in the discharge hole.

Through adopting above-mentioned technical scheme, set up the check valve and reduced the cooling water among the hydrologic cycle pipeline and flowed into discharge gate depths and lead to the plastics of molten condition to cool off in advance and block the pipeline, lead to the unable condition of extruding smoothly of plastics.

The utility model discloses further set up to: be provided with the heat insulating mattress in the discharge gate, the heat insulating mattress is located the one end in the check valve outside towards the discharge gate and inconsistent with the check valve.

Through adopting above-mentioned technical scheme, through setting up the heat insulating mattress, the heat loss of molten state plastics in the reduction check valve solidifies, causes the condition that the pipeline is blockked.

The utility model discloses further set up to: be connected with the dismantlement sleeve on the discharge gate inside wall, it is provided with two sliders for dismantling telescopic axis symmetry on the sleeve lateral wall to dismantle, set up two spouts that extend along the discharge gate axis on the discharge gate internal orifice wall, the discharge gate all sets up the draw-in groove with spout vertically in two spouts towards the extreme department that the check valve extends, two the draw-in groove extends and not communicates each other along discharge gate circumference, two the spout all with slider looks adaptation with two draw-in grooves, the heat insulating mattress with dismantle sleeve fixed connection.

Through adopting above-mentioned technical scheme, in the actual work process, the staff will dismantle the sleeve and put into the discharge gate along the spout, when the slider arrived the spout end, the rotatory sleeve of dismantling of staff, make the slider get into the draw-in groove, utilize the draw-in groove restriction to dismantle the sleeve along the removal of discharge gate circumference, thereby reduce the possibility of dismantling sleeve and discharge gate inner wall separation in the device course of the work, through dismantling telescopic setting, make the plastics of molten state get into behind the check valve and dismantle in the sleeve, because the temperature descends, partial plastics can solidify and adhere to on the section of thick bamboo wall, the staff dismantles and dismantles the sleeve and clears up the plastics of adnexed molten state on the sleeve inner wall, reduce the pipeline and block up the possibility that causes the unable normal work of device, the reliability of device has been promoted.

The utility model discloses further set up to: when the servo motor works to enable the rotary cutter to do rotary motion, the clamping groove is located in the direction of the sliding groove rotating along the rotary cutter.

Through adopting above-mentioned technical scheme, because the draw-in groove is located the spout along gyration cutter pivoted direction, reduce when gyration cutter during operation, the rivers rotation that gyration cutter mixxed discharge gate department leads to the slider roll-off spout to make the condition that the sleeve drops.

To sum up, the utility model discloses a beneficial technological effect does: the tight degree of support between the rotary cutter and the extrusion template is fixed, the condition that the cutter is abraded too fast due to too large tight force is reduced, and the possibility that the grain cutting quality is reduced due to untight support is also reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic diagram for showing the internal structure of the discharge hole in the embodiment.

Fig. 3 is a schematic structural diagram of the connecting column of the present embodiment.

Fig. 4 is a schematic structural diagram of the card slot of the present embodiment.

In the figure, 1, a water circulation pipeline; 11. a water inlet; 12. a water outlet; 2. a guide rail; 3. a servo motor; 31. rotating the cutter; 32. connecting columns; 321. calibration; 33. connecting holes; 34. an adjusting sleeve; 4. an extruder; 41. a discharge port; 411. a chute; 421. a card slot; 5. extruding a template; 51. an extrusion orifice; 52. a seal ring; 6. a one-way valve; 7. disassembling the sleeve; 71. a heat insulating pad; 72. a slide block.

Detailed Description

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

Example (b): a granulating mechanism of an underwater granulator is shown in figures 1 and 2 and comprises a water circulation pipeline 1, a guide rail 2, a servo motor 3, a rotary cutter 31 and an extruder 4, wherein the extruder 4 is arranged at one end of the guide rail 2 and is in contact with the guide rail 2, a discharge hole 41 is formed in the extruder 4, a water inlet 11 and a water outlet 12 of the water circulation pipeline 1 are respectively arranged at the top end and the bottom end of the inner wall of the discharge hole 41, the servo motor 3 is arranged on the guide rail 2, the rotary cutter 31 is arranged on a motor shaft of the servo motor 3, a plurality of connecting holes 33 are formed in a shell of the servo motor 3, connecting columns 32 are respectively penetrated in the connecting holes 33, adjusting sleeves 34 are rotatably connected at the hole openings of the connecting holes 33, the connecting columns 32 are in threaded connection with the adjusting sleeves 34, the connecting columns 32 are parallel to the motor shaft of the servo motor 3, the connecting columns 32 are jointly connected with an extrusion template 5, and, the extrusion template 5 is contacted with the rotary cutter 31, and the rotary cutter 31 is contacted with the extrusion template 5;

as shown in fig. 1 and 2, in the actual working process, a worker firstly pushes the servo motor 3 to make the rotary cutter 31 and the extrusion template 5 enter the discharge hole and then starts the motor, the extruder 4 extrudes the plastic in the molten state into the discharge hole 41, the plastic in the molten state is extruded into a strip shape through the extrusion hole 51 (as shown in fig. 3) on the extrusion template 5, then the rotary cutter 31 cuts the strip-shaped plastic into granules, at the moment, the circulating water in the water circulation pipeline 1 cools the granular molten plastic, and then the granular plastic is sent to the next working procedure for processing by water flow. The die plate 5 will be extruded through being connected of spliced pole 32 and servo motor 3's casing and direct inconsistent with gyration cutter 31, thereby restricted gyration cutter 31 and the tight degree of support of extruding die plate 5, staff's accessible rotation regulation cover 34 is adjusted the position of spliced pole 32, thereby adjust the tight degree of support between extrusion die plate 5 and the gyration cutter 31, make between gyration cutter 31 and the extrusion die plate 5 evenly relieve promptly and can not appear supporting the too big condition of degree again, the condition of cutter wearing and tearing acceleration because the contact force is too big has been reduced, reduced simultaneously because the probability that the inhomogeneous cutting quality that causes of gyration cutter 31 and extrusion die plate 5 conflict descends.

As shown in fig. 2, a one-way valve 6 is arranged in the discharge port 41, a heat insulation pad 71 is arranged in the direction of the one-way valve 6 towards the outer side of the discharge port 41, the one-way valve 6 reduces the situation that the discharge port 41 is blocked due to the fact that cooling water enters the deep part of the discharge port 41 in the water circulation pipeline 1 to cool the molten plastic in advance, and the heat insulation pad 71 reduces the situation that the discharge port 41 is blocked due to the fact that the molten plastic in the inner side of the one-way valve 6 is cooled in advance due to temperature reduction, so that the reliability.

As shown in fig. 2 and 4, a sliding groove 411 is formed in the side wall of the discharge port 41, the sliding groove 411 extends along the axial direction of the discharge port 41, a clamping groove 421 is formed in one end, close to the one-way valve 6, of the sliding groove 411, the clamping groove 421 is perpendicular to the sliding groove 411 and extends along the circumferential direction of the inner wall of the discharge port 41, the clamping groove 421 is communicated with the sliding groove 411, the clamping groove 421 is located on one side, facing the rotating direction of the rotary cutter 31, of the sliding groove 411, and the heat insulation pad 71 is fixedly connected with the. The dismounting sleeve 7 is placed in the discharge port 41, the sliding block 72 is arranged on the outer side wall of the dismounting sleeve 7, the sliding block 72 is located in the clamping groove 421, when a worker unloads the dismounting sleeve 7, firstly, the dismounting sleeve 7 is rotated to enable the sliding block 72 to slide out of the clamping groove 421, and then, the dismounting sleeve 7 slides out along the sliding groove 411;

as shown in fig. 2, after the discharging port 41 is provided with the detaching sleeve 7 therein, when the worker pushes the motor to extend the rotary cutter 31 and the extrusion die plate 5 into the discharging port 41, the side wall of the extrusion die plate 5 abuts against the inner wall of the detaching sleeve 7. In the actual working process, the speed that the temperature becomes lower after the molten plastic passes through the heat insulation pad 71 is increased, part of the plastic is solidified and attached to the side wall of the dismounting sleeve 7, workers can conveniently clean the sleeve after dismounting the dismounting sleeve 7, and the situation that the discharge port 41 is blocked due to the fact that the plastic is solidified and attached is reduced.

As shown in fig. 3, be equipped with scale 321 on the spliced pole 32, the staff is through consulting scale 321 rotation regulation cover 34 to make each spliced pole 32 stretch out the length of connecting hole 33 and keep unanimous, reduce extrusion die plate 5 because each spliced pole 32 length differs and the slope causes the inhomogeneous condition of contradicting with gyration cutter 31, increased the practicality of device.

As shown in fig. 3, the extrusion die plate 5 is provided with a sealing ring 52 on the circumferential profile thereof for reducing the possibility that the normal operation of the device is affected by the extrusion of the molten plastic from the gap between the extrusion die plate 5 and the side wall of the discharge port 41, thereby improving the reliability of the device.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a grain cutting mechanism of underwater pelletizer, includes hydrologic cycle pipeline (1), guide rail (2), servo motor (3), gyration cutter (31) and extruder (4), its characterized in that: the utility model discloses a water circulation cutting machine, including servo motor (3), rotary cutter (31), discharge gate (41), water inlet (11) and delivery port (12) of water circulation pipeline (1), servo motor (3) sets up on guide rail (2) and slides along guide rail (2), rotary cutter (31) sets up on the motor shaft of servo motor (3), extruder (4) set up the one end at guide rail (2), be equipped with discharge gate (41) on extruder (4), water inlet (11) and delivery port (12) and discharge gate (41) intercommunication and set up respectively in the bottom and the top of discharge gate (41) inside wall, the motor shaft of servo motor (3) is to discharge gate (41) direction extension, be equipped with a plurality of spliced poles (32) on servo motor (3) casing, spliced pole (32) extend to rotary cutter (31) direction, and the one end that the spliced pole (32) of telling is close to rotary cutter (31) is equipped with and extrudes template (, the extrusion die plate (5) is matched with the discharge hole (41), the cutting track of the rotary cutter (31) is matched with the shape of the extrusion die plate (5), and the rotary cutter (31) is abutted to the extrusion die plate (5).

2. The pelletizing mechanism of an underwater pelletizer as set forth in claim 1, wherein: offer connecting hole (33) with spliced pole (32) looks adaptation on the casing of servo motor (3), spliced pole (32) penetrate in connecting hole (33), it is connected with adjusting collar (34) to rotate on the drill way department lateral wall of connecting hole (33), adjusting collar (34) and spliced pole (32) threaded connection.

3. The pelletizing mechanism of an underwater pelletizer as set forth in claim 2, wherein: the circumferential outline of the extrusion template (5) is sleeved with a sealing ring (52).

4. The pelletizing mechanism of an underwater pelletizer as set forth in claim 3, wherein: scales (321) are arranged on the connecting columns (32) along the axis direction.

5. The pelletizing mechanism of an underwater pelletizer as set forth in claim 1, wherein: and a one-way valve (6) is arranged in the discharge hole (41).

6. The pelletizing mechanism of an underwater pelletizer as set forth in claim 5, wherein: and a heat insulation pad (71) is arranged in the discharge hole (41), and the heat insulation pad (71) is positioned at one end of the one-way valve (6) facing the outer side of the discharge hole (41) and is abutted against the one-way valve (6).

7. The pelletizing mechanism of an underwater pelletizer as set forth in claim 6, wherein: be connected with on discharge gate (41) the inside wall and dismantle sleeve (7), it is provided with two sliders (72) for the axis symmetry of dismantling sleeve (7) on sleeve (7) the lateral wall to dismantle, set up on discharge gate (41) the internal orifice wall two spout (411) that extend along discharge gate (41) axis, discharge gate (41) are all seted up towards the extreme department that check valve (6) extended in two spout (411) and are had with spout (411) vertically draw-in groove (421), two draw-in groove (421) extend and not communicate each other along discharge gate (41) circumference, two spout (411) and two draw-in groove (421) all with slider (72) looks adaptation, heat insulating mattress (71) with sleeve fixed connection.

8. The pelletizing mechanism of an underwater pelletizer as set forth in claim 7, wherein: when the servo motor (3) works to enable the rotary cutter (31) to do rotary motion, the clamping groove (421) is located on the sliding groove (411) in the direction of rotation of the rotary cutter (31).