CN118927442A - A plastic underwater pelletizer for producing modified plastic particles - Google Patents
A plastic underwater pelletizer for producing modified plastic particles Download PDFInfo
- Publication number
- CN118927442A CN118927442A CN202411322420.1A CN202411322420A CN118927442A CN 118927442 A CN118927442 A CN 118927442A CN 202411322420 A CN202411322420 A CN 202411322420A CN 118927442 A CN118927442 A CN 118927442A
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- Prior art keywords
- fixedly connected
- sleeve
- plastic
- rotating
- cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
本发明公开了一种改性塑料颗粒生产用塑料水下切粒机，涉及塑料加工设备技术领域，包括：工作台以及安装在所述工作台顶部的塑料挤出机，所述塑料挤出机的一端安装有模具套，所述模具套的内部安装有切粒模板。本发明通过设置切换辅助器，驱动竖直转动的转动块带动切割刀片旋转九十度贴合到切粒模板的端面，同时需要更换的切割刀片位置的转动轮从拱形轨道最高点移动到最低点，从而使得动力弹簧驱动直齿条进行复位，使得原本处于水平位置的转动块带动需要更换的切割刀片旋转到竖直位置，由于切割刀片设置有多个，从而以此往复可以进行多次自动更换切割刀片，无需工作人员将设备拆卸进行更换，进而提高了装置整体的实用性。
The present invention discloses a plastic underwater pelletizer for producing modified plastic particles, which relates to the technical field of plastic processing equipment, and includes: a workbench and a plastic extruder installed on the top of the workbench, one end of the plastic extruder is installed with a mold sleeve, and a pelletizing template is installed inside the mold sleeve. The present invention sets a switching assistant to drive the vertically rotating rotating block to drive the cutting blade to rotate ninety degrees to fit the end surface of the pelletizing template, and at the same time, the rotating wheel at the position of the cutting blade to be replaced moves from the highest point of the arch track to the lowest point, so that the power spring drives the spur rack to reset, so that the rotating block originally in the horizontal position drives the cutting blade to be replaced to rotate to the vertical position. Since there are multiple cutting blades, the cutting blades can be automatically replaced multiple times in this reciprocating manner, and the staff does not need to disassemble the equipment for replacement, thereby improving the overall practicality of the device.
Description
Technical Field
The invention relates to the technical field of plastic processing equipment, in particular to a plastic underwater pelletizer for producing modified plastic particles.
Background
The modified plastic is a plastic product which is processed and modified by filling, blending, reinforcing and other methods on the basis of general plastic and engineering plastic so as to improve the performances of flame retardance, strength, impact resistance, toughness and the like, an extruder is the most widely applied equipment in polymer processing, after the polymer is mixed with various additives, the mixture is fed into the extruder to be melted and further uniformly mixed, a plurality of strips are formed through a plurality of orifice dies, the strips are cut into granules, and the hot-cut granules and the cold-cut granules are cut off, wherein the hot-cut granules are cut off by a blade while air or water is used after the strips leave the orifice die, and an underwater granulator is plastic particle hot-cut equipment commonly used in the plastic granulating industry.
According to the publication number CN113427663B disclosed by Chinese patent net, the plastic underwater pelletizer comprises a frame, a slide seat is slidably connected to the frame, a shaft seat is arranged on the slide seat, a mandrel is rotationally connected to the shaft seat, one end of the mandrel is provided with a spline, a key sleeve is sleeved on the spline, a cutter is arranged at the end of the key sleeve, a first fixed ring is arranged on the key sleeve, a support plate for the mandrel to pass through is arranged on the side wall of the shaft seat, a second fixed ring is rotationally connected with the side wall of the support plate through a rotating member, a spring is connected between the second fixed ring and the first fixed ring, a driving motor for driving the mandrel to rotate is arranged at one end of the shaft seat far away from the cutter, a driving member for driving the slide seat to move is arranged on the frame, a sealing cover opposite to the cutter is arranged on the frame, a die head is arranged in the sealing cover, and a water inlet pipe, a water outlet pipe and a locking sealing member are arranged on the sealing cover. The application has the effect of improving the forming quality of the particles.
Although the effect of granule shaping quality can be improved to above-mentioned patent, current plastics are the granulator under water is generally all extruded through the granule cutting template after extruding through the extruder, then carry out the granule cutting to the plastics that extrude from the granule cutting template through cutter head rotation drive cutter head, nevertheless in long-time use, because the cutter is hugged closely all the time and rotates on the granule cutting template, thereby there is great friction between the two, cause great wearing and tearing easily, in order to improve the product quality after the granule cutting, and then make cutter and granule cutting template need often change, because cutter and granule cutting template need shut down for a long time when changing, and need tear equipment open, thereby waste a large amount of time, unable make the cutter can carry out automatic change in equipment inside, thereby reduce the efficiency of granule cutting, for this we provide a plastics granulator under water for modified plastics granule production for solve above-mentioned problem.
Disclosure of Invention
The invention aims at: in order to solve the problems that the cutter is frequently replaced and needs to be stopped for a long time, the replacement is troublesome and the cutter cannot be automatically replaced in equipment, the plastic underwater pelletizer for producing modified plastic particles is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: an underwater plastic granulator for producing modified plastic particles, comprising: the plastic extruder is arranged at the top of the workbench, one end of the plastic extruder is provided with a die sleeve, and the inside of the die sleeve is provided with a grain cutting template; the hydraulic cylinder is fixedly connected to the top of the workbench, the output end of the hydraulic cylinder is connected with a cutting sleeve, an auxiliary connecting mechanism for connecting the cutting sleeve and the die sleeve is arranged between the cutting sleeve and the die sleeve, a first driving motor is installed at one end of the cutting sleeve, the output end of the first driving motor is connected with a rotating rod, one end of the rotating rod penetrates through the cutting sleeve and is in rotating connection with the cutting sleeve, a rotating disc is fixedly connected to one end of the rotating rod, and a plurality of cutting blades are arranged on the outer wall of the rotating disc; the switching auxiliary device is positioned between the rotating disc and the cutting blade and is used for switching the cutting blade, the switching auxiliary device comprises a plurality of rotating blocks which are arranged on the inner side of the rotating disc and are fixedly connected with the cutting blade, a rotating shaft is rotatably connected in the rotating disc, one end of the rotating shaft penetrates through the inner side of the rotating disc and is positioned on two sides of the rotating block, and an adaptive adjusting piece which is used for enabling the cutting blade to be clung to the end part of the grain cutting template is arranged between the rotating shaft and the rotating block; and the shielding mechanism is positioned on the outer wall of the rotating rod and used for shielding the unused cutting blade.
As still further aspects of the invention: the auxiliary connecting mechanism comprises a sealing groove formed in the end part of the cutting sleeve, an annular sealing plug is fixedly connected to the end part of the die sleeve and matched with the sealing groove, a vacuum pump is mounted on the outer wall of the cutting sleeve, a connecting pipe is connected to the input end of the vacuum pump, and one end of the connecting pipe penetrates through the inside of the cutting sleeve and is communicated with the sealing groove.
As still further aspects of the invention: the switching aid further comprises a second spur gear fixedly connected to the outer wall of the rotating shaft, a limiting sleeve is fixedly connected to the inside of the rotating disc, a second T-shaped block is connected to the inner side of the limiting sleeve in a sliding mode, a spur rack meshed with the second spur gear is fixedly connected to the bottom of the second T-shaped block, a power spring is fixedly connected to one end of the spur rack, one end of the power spring is fixedly connected with the rotating disc, and a power auxiliary assembly used for stirring the spur rack to move is arranged in the rotating disc.
As still further aspects of the invention: the power auxiliary group comprises a connecting frame fixedly connected to the inner side of the straight rack, one end of the connecting frame is rotationally connected with a rotating wheel, the inner part of the rotating wheel is rotationally connected with a power convex disc, the bottom of the power convex disc is fixedly connected with a straight gear ring, the inner part of the rotating disc is fixedly connected with a connecting seat, the top of the connecting seat is provided with a second driving motor, the output end of the second driving motor is connected with a first straight gear meshed with the straight gear ring, and the outer side of the power convex disc is provided with a plurality of arch tracks.
As still further aspects of the invention: the shielding mechanism comprises a connecting shell fixedly connected with the outer wall of the rotating rod, a miniature electric push rod is mounted in the connecting shell, the output end of the miniature electric push rod penetrates through to the outer portion of the connecting shell and is fixedly connected with a circular ring, and the bottom of the circular ring is rotationally connected with a protection sleeve.
As still further aspects of the invention: the top fixedly connected with a plurality of rectangle slide bars of power flange, a plurality of the one end of rectangle slide bar all runs through to the outside of protection sleeve and with protection sleeve sliding connection.
As still further aspects of the invention: the adaptation regulating part comprises a first T-shaped block which is in sliding connection with the end part of the rotating shaft, an auxiliary spring is fixedly connected with the inner side of the first T-shaped block, one end of the auxiliary spring is fixedly connected with the rotating shaft, and one side of the first T-shaped block is fixedly connected with the rotating block.
As still further aspects of the invention: the adaptation regulating part further comprises a rectangular sleeve fixedly connected to the top end inside the protective sleeve, a pressing rod is slidably connected inside the rectangular sleeve, a connecting spring is fixedly connected to the top of the pressing rod, and one end of the connecting spring is fixedly connected with the rectangular sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. Through setting up and switching the assistor, when the cutting blade needs to be changed, can intermittently start the second driving motor, the second driving motor output drives the first straight gear to carry out the circumferential rotation, thereby drive the straight gear ring and drive the power cam to carry out the circumferential rotation, when a plurality of arch tracks of power cam outer wall contact with a rotation wheel respectively, the rotation wheel moves from the lowest point of arch track to the highest point, the second driving motor stops the operation, and in this process through the rotation wheel promotion straight rack to the second straight gear direction remove, thereby drive the rotation wheel of vertical pivoted turning block and drive the cutting blade rotatory ninety degrees laminating to the terminal surface of cutting die plate, the rotation wheel of cutting blade position that needs to be changed moves from the highest point of arch track to the lowest point simultaneously, thereby make power spring drive straight rack reset, make originally be in the cutting blade of horizontal position rotate to vertical position, because the cutting blade is provided with a plurality of so that can carry out many times automatic change cutting blade with this reciprocation, the staff dismantles equipment and changes, and then improves the holistic practicality of device;
2. By arranging the shielding mechanism, when the cutting blade needs to be replaced after long-time use, the miniature electric push rod is started, and the output end of the miniature electric push rod drives the circular ring to drive the protective sleeve to move away from the cutting blade, so that the cutting blade positioned in the protective sleeve can be displayed;
3. Through setting up the adaptation regulating part, after the cutting blade is changed, miniature electric putter promotes the protective sleeve and resets and shield the cutting blade of vertical state, drive the clamp lever through the rectangular sleeve and move downwards, when clamp lever and horizontal pivoted dwang contact, because cut the grain template when wearing and tearing with the cutting blade friction for a long time, when new cutting blade is changed and cut the grain template terminal surface and have the clearance, promote the dwang through the clamp lever and drive the cutting blade to cut the grain template terminal surface and remove under the effect of connecting spring, thereby make the cutting blade hug closely at the terminal surface of cutting the grain template, with the compactness between the cutting blade after changing has been guaranteed in this, and then the quality to follow-up plastics cutting shaping has been improved;
4. Through setting up the cooperation of parts such as rectangle slide bar, can drive protective sleeve through the rectangle slide bar when carrying out circumference pivoted and carry out circumference rotation to drive the hold-down lever through the rectangle sleeve and carry out circumference rotation, make the power cam stop after rotating, the hold-down lever can be adjusted to the top that is located the rotating block that the rotation is horizontal position, in order to carry out position calibration to the cutting blade after switching, and then improved the holistic practicality of device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the cutting sleeve of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a schematic view of the inner side structure of the protective sleeve according to the present invention;
FIG. 5 is a schematic view of a rotating disc structure according to the present invention;
FIG. 6 is an enlarged view of the invention at B in FIG. 5;
FIG. 7 is a schematic view of the inside structure of the rotating disc of the present invention;
FIG. 8 is a schematic diagram of a power cam structure according to the present invention;
FIG. 9 is an enlarged view of FIG. 8 at C in accordance with the present invention;
FIG. 10 is a schematic diagram of a rotor block according to the present invention;
fig. 11 is a cross-sectional view of a rectangular sleeve of the present invention.
In the figure: 1. a work table; 2. a plastic extruder; 3. a first driving motor; 4. a die sleeve; 5. cutting the sleeve; 6. a hydraulic cylinder; 7. dicing templates; 8. a rotating lever; 9. a connection housing; 10. a rectangular slide bar; 11. a circular ring; 12. a connecting spring; 13. a protective sleeve; 14. a cutting blade; 15. an annular sealing plug; 16. sealing grooves; 17. a rotating disc; 18. a vacuum pump; 19. a connecting pipe; 20. miniature electric push rod; 21. a rotating block; 22. a rectangular sleeve; 23. a pressing rod; 24. a power cam; 25. an auxiliary spring; 26. a connecting seat; 27. a second driving motor; 28. a first straight gear; 29. an arched track; 30. a connecting frame; 31. a rotating wheel; 32. a rotating shaft; 33. a second spur gear; 34. a limit sleeve; 35. a straight rack; 36. a first T-block; 37. a spur gear ring; 38. a second T-block; 39. and a power spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Example 1
Referring to fig. 1 to 11, the present embodiment provides a plastic underwater pelletizer for producing modified plastic particles, comprising: the plastic extruder comprises a workbench 1 and a plastic extruder 2 arranged at the top of the workbench 1, wherein a die sleeve 4 is arranged at one end of the plastic extruder 2, and a grain cutting die plate 7 is arranged in the die sleeve 4; the hydraulic cylinder 6, the top at the workstation 1 is fixedly connected to the pneumatic cylinder 6, the output of pneumatic cylinder 6 is connected with cutting sleeve 5, be provided with the auxiliary connection mechanism that is used for carrying out the connection with both between cutting sleeve 5 and the mould cover 4, first driving motor 3 is installed to one end of cutting sleeve 5, the output of first driving motor 3 is connected with dwang 8, and the one end of dwang 8 runs through to the inside of cutting sleeve 5 and rotates with cutting sleeve 5 to be connected, the one end fixedly connected with rolling disc 17 of dwang 8, the outer wall of rolling disc 17 is provided with a plurality of cutting blades 14, auxiliary connection mechanism includes the seal groove 16 of seting up at cutting sleeve 5 tip, the tip fixedly connected with annular sealing plug 15 of mould cover 4, and annular sealing plug 15 and seal groove 16 phase-match, the vacuum pump 18 is installed to the outer wall of cutting sleeve 5, the input of vacuum pump 18 is connected with connecting pipe 19, and the one end of connecting pipe 19 runs through to the inside of cutting sleeve 5 and communicates with seal groove 16;
firstly, the hydraulic cylinder 6 is started, the output end of the hydraulic cylinder 6 drives the cutting sleeve 5 to be in butt joint with the die sleeve 4, so that the annular sealing plug 15 is inserted into the sealing groove 16, then the vacuum pump 18 is started, the vacuum pump 18 vacuumizes the interior of the sealing groove 16, and the annular sealing plug 15 is in sealing connection with the cutting sleeve 5 under the action of negative pressure.
Example 2
The switching auxiliary device is positioned between the rotating disc 17 and the cutting blade 14 and used for switching the cutting blade 14, the switching auxiliary device comprises a plurality of rotating blocks 21 which are arranged on the inner side of the rotating disc 17, the rotating blocks 21 are fixedly connected with the cutting blade 14, a rotating shaft 32 is rotatably connected in the rotating disc 17, one end of the rotating shaft 32 penetrates through the inner side of the rotating disc 17 and is positioned on two sides of the rotating blocks 21, the switching auxiliary device also comprises a second spur gear 33 which is fixedly connected on the outer wall of the rotating shaft 32, a limiting sleeve 34 is fixedly connected in the rotating disc 17, a second T-shaped block 38 is slidably connected in the inner side of the limiting sleeve 34, a straight rack 35 which is meshed with the second spur gear 33 is fixedly connected at the bottom of the second T-shaped block 38, a power spring 39 is fixedly connected at one end of the straight rack 35, a power auxiliary component which is fixedly connected with the rotating disc 17 is fixedly connected at one end of the power spring 39, the power auxiliary component which is used for stirring the straight rack 35 to move is arranged in the rotating disc 17, the power auxiliary component comprises a connecting frame 30 which is fixedly connected on the inner side of the rotating block 35, one end of the connecting frame 30 is rotatably connected with a wheel 31, a power ring 24 which is fixedly connected with the inner side of the rotating disc 17, a power ring 24 is fixedly connected with the second spur gear 27, a power seat is fixedly connected with the power ring 27, and a power seat is fixedly connected with the second power ring 27, and the power ring is fixedly connected with the top of the second motor is fixedly connected with the power ring 37, and the second power ring 37 is fixedly connected with the top of the motor, and the power ring is fixedly connected with the top of the power ring 37, and the power ring is fixedly connected with the motor, and the top is connected with the power ring 27 and the power ring is connected with the power and the motor;
When the cutting blade 14 needs to be replaced, the second driving motor 27 can be intermittently started, the output end of the second driving motor 27 drives the first straight gear 28 to rotate circumferentially, so that the straight gear ring 37 is driven to drive the power cam 24 to rotate circumferentially, when a plurality of arched tracks 29 on the outer wall of the power cam 24 are respectively contacted with one rotating wheel 31, the rotating wheel 31 moves from the lowest point to the highest point of the arched tracks 29, the second driving motor 27 stops running, and in the process, the rotating wheel 31 pushes the straight rack 35 to move towards the second straight gear 33, so that the rotating block 21 driving the vertical rotating blade 14 rotates ninety degrees to be attached to the end face of the granulating template 7, and meanwhile, the rotating wheel 31 at the position of the cutting blade 14 needing to be replaced moves from the highest point to the lowest point of the arched tracks 29, so that the power spring 39 drives the straight rack 35 to reset, and the rotating block 21 originally positioned at the horizontal position drives the cutting blade 14 to rotate to the vertical position, and as the cutting blade 14 is provided with a plurality of cutting blades, so that the cutting blade 14 can be replaced automatically, the cutting blade 14 can be replaced repeatedly, the whole equipment is not required to be detached, and the practicability of the whole equipment is improved.
Example 3
The shielding mechanism is positioned on the outer wall of the rotating rod 8 and used for shielding the unused cutting blade 14, the shielding mechanism comprises a connecting shell 9 fixedly connected to the outer wall of the rotating rod 8, a miniature electric push rod 20 is installed in the connecting shell 9, an output end of the miniature electric push rod 20 penetrates through the connecting shell 9 to be fixedly connected with a circular ring 11, and the bottom of the circular ring 11 is rotatably connected with a protective sleeve 13;
When the cutting blade 14 needs to be replaced after long-time use, the miniature electric push rod 20 is started, the output end of the miniature electric push rod 20 drives the circular ring 11 to drive the protective sleeve 13 to move away from the cutting blade 14, so that the cutting blade 14 positioned in the protective sleeve 13 can be displayed, the unused cutting blade 14 can be shielded by reversing the steps, and the situation that the shape of the cut plastic is influenced by collision of the unused cutting blade 14 driven by the rotating disc 17 with the cut plastic again in the circumferential rotation process is avoided, and the quality of the cut plastic molding is ensured;
When the cutting blade 14 to be switched is removed from the inside of the protective sleeve 13, the second drive motor 27 is intermittently started;
Example 4
The top of the power convex disc 24 is fixedly connected with a plurality of rectangular slide bars 10, one ends of the rectangular slide bars 10 penetrate through the outside of the protective sleeve 13 and are in sliding connection with the protective sleeve 13, an adaptive adjusting piece used for enabling the cutting blade 14 to be tightly attached to the end of the grain cutting template 7 is arranged between the rotating shaft 32 and the rotating block 21, the adaptive adjusting piece comprises a first T-shaped block 36 which is in sliding connection with the end of the rotating shaft 32, the inner side of the first T-shaped block 36 is fixedly connected with an auxiliary spring 25, one end of the auxiliary spring 25 is fixedly connected with the rotating shaft 32, one side of the first T-shaped block 36 is fixedly connected with the rotating block 21, the adaptive adjusting piece also comprises a rectangular sleeve 22 which is fixedly connected with the top end inside the protective sleeve 13, a pressing rod 23 is in sliding connection with the inside of the rectangular sleeve 22, the top of the pressing rod 23 is fixedly connected with a connecting spring 12, and one end of the connecting spring 12 is fixedly connected with the rectangular sleeve 22;
When the cutting blade 14 is replaced, the miniature electric push rod 20 pushes the protective sleeve 13 to reset and shield the cutting blade 14 in a vertical state, the rectangular sleeve 22 drives the pressing rod 23 to move downwards, when the pressing rod 23 contacts with the rotating block 21 which horizontally rotates, and when the cutting blade 14 is worn due to friction between the cutting blade 7 and the cutting blade 14 for a long time, and when a gap exists between the new cutting blade 14 and the end face of the cutting blade 7 after replacement, the pressing rod 23 pushes the rotating block 21 to drive the cutting blade 14 to move towards the end face of the cutting blade 7 under the action of the connecting spring 12, so that the cutting blade 14 is tightly attached to the end face of the cutting blade 7, tightness between the cutting blade 14 after replacement and the cutting blade 7 is ensured, and quality of subsequent plastic cutting molding is improved;
When the power cam 24 rotates circumferentially, the protection sleeve 13 is driven to rotate circumferentially through the rectangular sliding rod 10, and the compressing rod 23 is driven to rotate circumferentially through the rectangular sleeve 22, so that after the power cam 24 stops rotating, the compressing rod 23 can be adjusted to be positioned above the rotating block 21 which rotates to be at a horizontal position, the position of the switched cutting blade 14 can be calibrated conveniently, and the overall practicability of the device is improved.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a plastic underwater granulator for modified plastic particle production which characterized in that includes:
The plastic extruding machine comprises a workbench (1) and a plastic extruder (2) arranged at the top of the workbench (1), wherein a die sleeve (4) is arranged at one end of the plastic extruder (2), and a grain cutting die plate (7) is arranged in the die sleeve (4);
The hydraulic cylinder (6), pneumatic cylinder (6) fixed connection is in the top of workstation (1), the output of pneumatic cylinder (6) is connected with cutting sleeve (5), be provided with between cutting sleeve (5) and mould cover (4) and be used for carrying out the auxiliary connection mechanism that connects two, first driving motor (3) are installed to the one end of cutting sleeve (5), the output of first driving motor (3) is connected with dwang (8), just the one end of dwang (8) runs through to the inside of cutting sleeve (5) and with cutting sleeve (5) rotation is connected, the one end fixedly connected with rolling disc (17) of dwang (8), the outer wall of rolling disc (17) is provided with a plurality of cutting blade (14);
The switching auxiliary device is positioned between the rotating disc (17) and the cutting blades (14) and is used for switching the cutting blades (14), the switching auxiliary device comprises a plurality of rotating blocks (21) which are arranged on the inner side of the rotating disc (17), the rotating blocks (21) are fixedly connected with the cutting blades (14), a rotating shaft (32) is rotatably connected in the rotating disc (17), one end of the rotating shaft (32) penetrates through the inner side of the rotating disc (17) and is positioned on two sides of the rotating blocks (21), and an adaptive adjusting piece which is used for enabling the cutting blades (14) to be clung to the end part of the granulating template (7) is arranged between the rotating shaft (32) and the rotating blocks (21);
and the shielding mechanism is positioned on the outer wall of the rotating rod (8) and is used for shielding the unused cutting blade (14).
2. The plastic underwater pelletizer for producing modified plastic particles according to claim 1, wherein the auxiliary connecting mechanism comprises a sealing groove (16) formed in the end part of the cutting sleeve (5), an annular sealing plug (15) is fixedly connected to the end part of the die sleeve (4), the annular sealing plug (15) is matched with the sealing groove (16), a vacuum pump (18) is mounted on the outer wall of the cutting sleeve (5), a connecting pipe (19) is connected to the input end of the vacuum pump (18), and one end of the connecting pipe (19) penetrates into the cutting sleeve (5) and is communicated with the sealing groove (16).
3. The plastic underwater pelletizer for producing modified plastic particles according to claim 1, wherein the switching aid further comprises a second spur gear (33) fixedly connected to the outer wall of the rotating shaft (32), a limiting sleeve (34) is fixedly connected to the inside of the rotating disc (17), a second T-shaped block (38) is slidably connected to the inner side of the limiting sleeve (34), a spur rack (35) meshed with the second spur gear (33) is fixedly connected to the bottom of the second T-shaped block (38), a power spring (39) is fixedly connected to one end of the spur rack (35), one end of the power spring (39) is fixedly connected to the rotating disc (17), and a power auxiliary assembly for stirring the spur rack (35) is arranged inside the rotating disc (17).
4. A plastic underwater pelletizer for producing modified plastic particles according to claim 3, characterized in that the power auxiliary group comprises a connecting frame (30) fixedly connected with the inner side of the straight rack (35), one end of the connecting frame (30) is rotationally connected with a rotating wheel (31), the inner part of the rotating disc (17) is rotationally connected with a power cam (24), the bottom of the power cam (24) is fixedly connected with a straight gear ring (37), the inner part of the rotating disc (17) is fixedly connected with a connecting seat (26), the top of the connecting seat (26) is provided with a second driving motor (27), the output end of the second driving motor (27) is connected with a first straight gear (28) meshed with the straight gear ring (37), and the outer side of the power cam (24) is provided with a plurality of arched tracks (29).
5. The plastic underwater pelletizer for producing modified plastic particles according to claim 4, wherein the shielding mechanism comprises a connecting shell (9) fixedly connected to the outer wall of the rotating rod (8), a miniature electric push rod (20) is installed in the connecting shell (9), an output end of the miniature electric push rod (20) penetrates through to the outer portion of the connecting shell (9) and is fixedly connected with a circular ring (11), and a protective sleeve (13) is rotatably connected to the bottom of the circular ring (11).
6. The plastic underwater pelletizer for producing modified plastic particles according to claim 5, wherein a plurality of rectangular slide bars (10) are fixedly connected to the top of the power cam (24), and one ends of the rectangular slide bars (10) penetrate through the outer portion of the protective sleeve (13) and are in sliding connection with the protective sleeve (13).
7. The plastic underwater pelletizer for producing modified plastic particles according to claim 6, wherein the adapting adjusting piece comprises a first T-shaped block (36) which is slidably connected to the end part of the rotating shaft (32), an auxiliary spring (25) is fixedly connected to the inner side of the first T-shaped block (36), one end of the auxiliary spring (25) is fixedly connected with the rotating shaft (32), and one side of the first T-shaped block (36) is fixedly connected with the rotating block (21).
8. The plastic underwater pelletizer for producing modified plastic particles according to claim 7, wherein the adapting adjusting piece further comprises a rectangular sleeve (22) fixedly connected to the inner top end of the protective sleeve (13), a compression rod (23) is slidably connected to the inner part of the rectangular sleeve (22), a connecting spring (12) is fixedly connected to the top of the compression rod (23), and one end of the connecting spring (12) is fixedly connected to the rectangular sleeve (22).
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| CN112476861A (en) * | 2020-11-12 | 2021-03-12 | 南京研塑环保科技有限公司 | Recycling treatment method for waste plastic bottles |
| CN113427663A (en) * | 2021-07-10 | 2021-09-24 | 南京翰易机械电子有限公司 | Plastic underwater granulator |
| CN218504952U (en) * | 2022-09-02 | 2023-02-21 | 吴江赴东舜星合成纤维有限公司 | Pelleter with multichannel pelleter constructs |
| CN219685787U (en) * | 2023-03-30 | 2023-09-15 | 厦门永嘉汇塑胶有限公司 | Plastic strip water-cooling cutting mechanism |
| CN118375557A (en) * | 2023-03-28 | 2024-07-23 | 张银量 | A vertical axis fan with foldable flexible blades |
| CN221641479U (en) * | 2023-11-23 | 2024-09-03 | 安徽省隆泰塑胶科技有限公司 | Plastic sole crushing device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112476861A (en) * | 2020-11-12 | 2021-03-12 | 南京研塑环保科技有限公司 | Recycling treatment method for waste plastic bottles |
| CN113427663A (en) * | 2021-07-10 | 2021-09-24 | 南京翰易机械电子有限公司 | Plastic underwater granulator |
| CN218504952U (en) * | 2022-09-02 | 2023-02-21 | 吴江赴东舜星合成纤维有限公司 | Pelleter with multichannel pelleter constructs |
| CN118375557A (en) * | 2023-03-28 | 2024-07-23 | 张银量 | A vertical axis fan with foldable flexible blades |
| CN219685787U (en) * | 2023-03-30 | 2023-09-15 | 厦门永嘉汇塑胶有限公司 | Plastic strip water-cooling cutting mechanism |
| CN221641479U (en) * | 2023-11-23 | 2024-09-03 | 安徽省隆泰塑胶科技有限公司 | Plastic sole crushing device |
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| CN118927442B (en) | 2025-08-19 |
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