CN114670419A

CN114670419A - Processing and forming device and method for PC modified plastic

Info

Publication number: CN114670419A
Application number: CN202210347206.6A
Authority: CN
Inventors: 邹元华; 张旗; 崔路军; 向宏亮; 金烨
Original assignee: Hubei Qingda Technology Co ltd
Current assignee: Hubei Qingda Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-06-28
Anticipated expiration: 2042-04-01
Also published as: CN114670419B

Abstract

The invention discloses a processing and forming device and a processing and forming method of PC modified plastic, wherein the processing and forming device comprises the following steps: the mixer is provided with a preheater below; the extruder is arranged at the top of the heat exchanger, and a water cooling tank is arranged at the discharge end of the extruder; the dispersion ring is arranged on the inclined plate, and a partition plate is fixed on the inner annular wall of the dispersion ring; the inclined plate is fixed on the inner wall of the water cooling tank, and a fixing frame is installed on the outer side surface of the water cooling tank; the upper end of the roller extends out of the water cooling tank; the side wall of the fixed pipe is provided with a notch, and the outer side surface of the fixed pipe is provided with a support frame and an adjusting piece; the bottom end of the conveying belt is located below the inclined plate. The processing and forming device and method for the PC modified plastic.

Description

Processing and forming device and method for PC modified plastic

Technical Field

The invention relates to the technical field related to processing of modified plastics, in particular to a processing and forming device and method for PC modified plastics.

Background

The modified plastic is a plastic product which is processed and modified by methods such as filling, blending, strengthening and the like on the basis of general plastics and engineering plastics, and improves the performances in the aspects of flame retardance, strength, impact resistance, toughness and the like.

The general production flow of the PC modified plastic is as follows: batching, mix, extrude, the cooling, cut grain, sieve and packing, in prior art, the cooling bath is usually used to the cooling of PC modified plastics, because it is fixed to extrude the position that plastics get into the cooling bath, lead to the temperature distribution in the cooling bath inhomogeneous, the temperature of blanking department obviously risees, influence modified plastics's cooling effect, partial device adopts water pump structure to accelerate the velocity of water, though help even temperature, but the rivers impact force of production can cause the harm to uncompleted refrigerated plastics, and the inconvenient plastics of separating of basin among the prior art, produce the adhesion phenomenon easily.

Disclosure of Invention

The invention provides a processing and forming device and method for PC modified plastics in order to make up for market blank.

The invention aims to provide a processing and forming device and a processing and forming method for PC modified plastics, which aim to solve the problems that the water temperature in a cooling tank is not uniformly distributed due to the fixed position of extruded plastics entering the cooling tank, the water temperature at the blanking part is obviously increased, the cooling effect of the modified plastics is influenced, part of devices adopt a water pump structure to accelerate the water flow speed, the water flow impact force generated can damage the plastics which are not cooled, and the water tank in the prior art is inconvenient to separate the plastics and is easy to generate the adhesion phenomenon, although the water temperature is uniform.

In order to achieve the purpose, the invention provides the following technical scheme: a processing and forming device and a method for PC modified plastics comprise:

the preheating machine is arranged below the mixer and connected with the feed end of the extruder;

the extruder is arranged at the top of the heat exchanger, a water cooling tank is arranged at the discharge end of the extruder, and a water pump is connected between the water cooling tank and the heat exchanger;

the dispersion ring is arranged on the inclined plate, a partition plate is fixed on the inner annular wall of the dispersion ring, the other side of the partition plate is connected with a connecting pipe, and the connecting pipe is sleeved on the first rotating shaft;

the water cooling tank is characterized in that the inclined plate is fixed on the inner wall of the water cooling tank, a fixing frame is installed on the outer side face of the water cooling tank, and a water storage cavity is formed inside the water cooling tank;

the upper end of the roller extends out of the water cooling tank, a water permeable hole is formed in the side wall of the roller, a gear ring is sleeved on the roller, and the roller is connected with a driving device;

the side wall of the fixed pipe is provided with a notch, the outer side surface of the fixed pipe is provided with a support frame and an adjusting piece, the support frame is inserted with a transmission shaft and a second rotating shaft, the transmission shaft and the second rotating shaft are respectively sleeved with a gear and a slitting blade, and the adjusting piece is inserted with a baffle;

the bottom end of the conveying belt is located below the inclined plate, and a screen plate is mounted on the conveying belt.

Furthermore, install the motor on the bottom surface of swash plate, the motor with first axis of rotation links to each other, the blanking mouth has been seted up on the swash plate, the blanking mouth is close to the conveyer belt, both ends are connected respectively about the swash plate the left side board and the bottom plate of water-cooling box.

Further, the annular region between the dispersing ring and the connecting pipe is evenly divided by the partition plate to form a plurality of separating grooves, the size of each separating groove is smaller than that of the blanking port, and the lower end of the dispersing ring is located under the bottom end of the fixing pipe.

Furthermore, lugs are arranged on the inner wall of the roller, grooves are formed among the lugs, the lugs are connected with the outer side face of the fixed pipe, and the grooves are communicated with the water permeable holes.

Furthermore, the upper end of the roller is not provided with an end cover, the lower end of the fixed pipe is not provided with an end cover, the upper end of the fixed pipe is connected with the fixed frame, the lower end of the fixed pipe penetrates out of the roller, the conveying belt is obliquely arranged in the water cooling box, and the screen plates are arranged on the outer surface of the conveying belt at equal intervals.

Further, breach intercommunication lumen and recess, the support frame is L type structure, the one end of support frame is connected the right side board of water-cooling tank, the other end of support frame is connected and is stretched out the cylinder fixed pipe, two mounting holes have been seted up on the support frame.

Furthermore, the transmission shaft and the second rotating shaft are respectively inserted into the corresponding mounting holes, the second rotating shaft is close to the fixed pipe, and a transmission belt is connected between the transmission shaft and the second rotating shaft.

Furthermore, the regulating part is a convex structure, slots are formed in the regulating part, the regulating part and the supporting frame are located at two ends of the same diameter, and inserting plates are connected to the circumference of the baffle and are matched with the slots.

Furthermore, the centers of circles of the roller, the fixed pipe and the baffle are coaxial, the gear ring is meshed with the gear, and the slitting blade extends into a gap between the fixed pipe and the baffle.

A processing and forming method of PC modified plastic comprises the following steps:

s1, adding the plastic master batch and the filler into a mixer to obtain a mixture;

s2, heating the mixture by a preheater and then feeding the mixture into an extruder to obtain plastic strips;

s3, feeding the plastic strips into the groove of the roller, and cooling the plastic strips in a water cooling tank;

and S4, feeding the water-cooled plastic strips into the tube cavity of the fixed tube, and rotating the cutting blade to cut the plastic strips into particles.

Compared with the prior art, the invention has the beneficial effects that: the processing and forming device and the processing and forming method for the PC modified plastic have reasonable structural arrangement, extruded plastic strips are separated by utilizing the grooves in the roller, the lower part of the roller is immersed in cooling water of a water cooling tank to realize cooling of the plastic, the rotating roller is not only beneficial to accelerating mixing of cold water and hot water, but also realizes a conveying effect on the plastic, so that the plastic enters a pipe cavity of the fixed pipe, and the roller drives the slitting blades to rotate to realize slitting of the plastic discharged from the pipe cavity;

1. the dispersing ring is arranged in the water cooling tank, a plurality of partition grooves are formed in the dispersing ring, the cut plastic falls into the partition grooves, the motor drives the dispersing ring to rotate, so that each partition groove is used for bearing a single plastic, the plastic is effectively prevented from being adhered, and the dispersing ring rotates to enable the plastic to fall onto the conveying belt through the blanking port;

2. the plastic is intercepted by the screen plate on the conveyor belt, so that cooling water can permeate the plastic conveniently, and the water filtering effect on the plastic is realized;

3. the cylinder among this device takes place to rotate under drive arrangement's effect, not only stirs the rivers in the cooler bin, helps balanced temperature, guarantees the cooling effect, and the cylinder rotates moreover and makes the plastics of extruding fall into different recesses, avoids producing the adhesion problem.

4. The adjusting piece is used for adjusting the distance between the baffle and the fixed pipe, and the size of the material cutting is adjusted.

Drawings

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

FIG. 2 is a schematic sectional view of a water cooling tank according to the present invention;

FIG. 3 is a schematic top view of a dispersion ring of the structure of the present invention;

FIG. 4 is a schematic cross-sectional view of a drum of the present invention;

FIG. 5 is a schematic bottom view of a mounting tube of the present invention;

FIG. 6 is a partially exploded view of the baffle and adjustment member of the present construction;

FIG. 7 is a schematic sectional top view of a water cooling tank of the present invention.

In the figure: 1. a mixer; 2. a preheating machine; 3. an extruder; 4. a heat exchanger; 5. a dispersing ring; 6. a water cooling tank; 7. a drum; 8. a fixed tube; 9. a conveyor belt; 51. a sloping plate; 52. a motor; 53. a partition plate; 54. a blanking port; 55. separating the grooves; 56. a first rotating shaft; 57. a connecting pipe; 61. a water pump; 62. a water storage cavity; 71. water permeable holes; 72. a groove; 73. a bump; 74. a ring gear; 75. a gear; 76. a drive shaft; 77. a transmission belt; 78. a drive device; 81. a fixed mount; 82. a notch; 83. a lumen; 84. a support frame; 85. a slitting blade; 86. a second rotating shaft; 87. a baffle plate; 88. an adjustment member; 8401. mounting holes; 8701. inserting plates; 8801. a slot; 91. a mesh plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-7, the present invention provides a technical solution: a processing and forming device and a method for PC modified plastics comprise:

a preheating machine 2 is arranged below the mixer 1, and the preheating machine 2 is connected with the feed end of an extruder 3;

the extruder 3 is arranged at the top of the heat exchanger 4, a water cooling tank 6 is arranged at the discharge end of the extruder 3, and a water pump 61 is connected between the water cooling tank 6 and the heat exchanger 4;

the dispersing ring 5 is arranged on the inclined plate 51, a partition plate 53 is fixed on the inner annular wall of the dispersing ring 5, the other side of the partition plate 53 is connected with a connecting pipe 57, and the connecting pipe 57 is sleeved on the first rotating shaft 56;

the water cooling tank 6 is characterized in that an inclined plate 51 is fixed on the inner wall of the water cooling tank 6, a fixing frame 81 is installed on the outer side surface of the water cooling tank 6, and a water storage cavity 62 is formed inside the water cooling tank 6;

the water cooling tank 6 extends out of the upper end of the roller 7, a water permeable hole 71 is formed in the side wall of the roller 7, a gear ring 74 is sleeved on the roller 7, and the roller 7 is connected with a driving device 78;

the side wall of the fixed pipe 8 is provided with a notch 82, the outer side surface of the fixed pipe 8 is provided with a support frame 84 and an adjusting piece 88, the support frame 84 is inserted with a transmission shaft 76 and a second rotating shaft 86, the transmission shaft 76 and the second rotating shaft 86 are respectively sleeved with a gear 75 and a slitting blade 85, and the adjusting piece 88 is inserted with a baffle 87;

the conveyer belt 9, the bottom of conveyer belt 9 is located the below of swash plate 51, installs otter board 91 on the conveyer belt 9.

The second embodiment is as follows: as shown in fig. 2, a motor 52 is mounted on a bottom surface of the inclined plate 51, the motor 52 is connected to a first rotating shaft 56, a blanking port 54 is formed in the inclined plate 51, the blanking port 54 is close to the conveyor belt 9, left and right ends of the inclined plate 51 are respectively connected to a left side plate and a bottom plate of the water cooling tank 6, the motor 52 drives the first rotating shaft 56 to rotate, so that the entire dispersing ring 5 rotates, and the dispersing ring 5 drives the plastic in the partition groove 55 to move, so that the plastic drops on the conveyor belt 9 through the blanking port 54.

The third concrete implementation mode: in this embodiment, which is a further limitation of the second embodiment, the partition plate 53 uniformly partitions the annular region between the dispersing ring 5 and the connecting pipe 57 to form a plurality of partition grooves 55, the size of each partition groove 55 is smaller than that of the blanking port 54, the lower end of the dispersing ring 5 is located right below the bottom end of the fixed pipe 8, and the dispersing ring 5 is used for receiving the cut plastic particles.

The fourth concrete implementation mode: the embodiment is further limited by the first embodiment, the inner wall of the roller 7 is provided with convex blocks 73, grooves 72 are formed between the convex blocks 73, the convex blocks 73 are connected with the outer side surface of the fixed pipe 8, the grooves 72 are communicated with the water permeable holes 71, the roller 7 rotates to enable the grooves 72 to be positioned at the discharge hole of the extruder 3, and the plastics fall into the grooves 72 to contact with cooling water to realize the cooling effect.

The fifth concrete implementation mode: the fourth embodiment is further limited by the fourth embodiment, as shown in fig. 2, 6 and 7, the upper end of the roller 7 has no end cover, the lower end of the fixed pipe 8 has no end cover, the upper end of the fixed pipe 8 is connected with the fixed frame 81, the lower end of the fixed pipe 8 penetrates out of the roller 7, the conveying belt 9 is obliquely installed in the water cooling tank 6, the mesh plates 91 are installed on the outer surface of the conveying belt 9 at equal intervals, the upper end of the roller 7 is opened to facilitate feeding, the lower end of the fixed pipe 8 is opened to facilitate discharging, and the mesh plates 91 facilitate filtering cooling water.

The sixth specific implementation mode is as follows: the first specific embodiment is further limited, the notch 82 communicates with the tube cavity 83 and the groove 72, the support frame 84 is of an L-shaped structure, one end of the support frame 84 is connected with the right side plate of the water cooling box 6, the other end of the support frame 84 is connected with the fixed tube 8 extending out of the roller 7, two mounting holes 8401 are formed in the support frame 84, and when the notch 82 is aligned with the groove 72, plastic in the groove 72 enters the tube cavity 83 from the notch 82 and slides downwards along the tube cavity 83.

The seventh concrete implementation mode: in this embodiment, as a further limitation of the sixth embodiment, the transmission shaft 76 and the second rotation shaft 86 are respectively inserted into the corresponding mounting holes 8401, the second rotation shaft 86 is close to the fixed pipe 8, the transmission belt 77 is connected between the transmission shaft 76 and the second rotation shaft 86, and the transmission shaft 76 drives the second rotation shaft 86 to rotate through the transmission belt 77.

The specific implementation mode is eight: as shown in fig. 3 and 4, the adjusting member 88 is in a convex structure, the adjusting member 88 is provided with an inserting groove 8801, the adjusting member 88 and the supporting frame 84 are located at two ends of the same diameter, an inserting plate 8701 is connected to the circumference of the baffle 87, the inserting plate 8701 is matched with the inserting groove 8801, and the distance between the baffle 87 and the fixed pipe 8 is determined by the depth of the inserting plate 8701 inserted into the inserting groove 8801.

The specific implementation method nine: as shown in fig. 3 to 5, the centers of the circle of the drum 7, the fixed pipe 8 and the baffle 87 are coaxial, the gear ring 74 is engaged with the gear 75, the slitting blade 85 extends into the gap between the fixed pipe 8 and the baffle 87, and the gear ring 74 drives the gear 75 to rotate.

The detailed implementation mode is ten: a processing and forming device and a processing and forming method for PC modified plastics comprise the following steps:

s1, adding the plastic master batch and the filler into the mixer 1 to obtain a mixture;

s2, heating the mixture by the preheating machine 2, and then feeding the mixture into the extruder 3 to obtain plastic strips;

s3, feeding the plastic strips into the groove 72 of the roller 7, and cooling the plastic strips in the water cooling tank 6;

s4, feeding the water-cooled plastic strips into the tube cavity 83 of the fixed tube 8, and cutting the plastic strips by rotating the cutting blade 85.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a processing forming device of PC modified plastics which characterized in that includes:

the mixing device comprises a mixer (1), wherein a preheating machine (2) is arranged below the mixer (1), and the preheating machine (2) is connected with the feeding end of an extruder (3);

the extruder (3) is arranged at the top of the heat exchanger (4), the discharge end of the extruder (3) is provided with a discharge end 6, and a water pump (61) is connected between the discharge end 6 and the heat exchanger (4);

the dispersing ring (5) is arranged on the inclined plate (51), a partition plate (53) is fixed on the inner annular wall of the dispersing ring (5), the other side of the partition plate (53) is connected with a connecting pipe (57), and the connecting pipe (57) is sleeved on the first rotating shaft (56);

the water cooling tank (6) is characterized in that the inclined plate (51) is fixed on the inner wall of the water cooling tank (6), a fixing frame (81) is installed on the outer side face of the water cooling tank (6), and a water storage cavity (62) is formed inside the water cooling tank (6);

the water cooling device comprises a roller (7), the upper end of the roller (7) extends out of the water cooling tank (6), a water permeable hole (71) is formed in the side wall of the roller (7), a gear ring (74) is sleeved on the roller (7), and the roller (7) is connected with a driving device (78);

the cutting device comprises a fixed pipe (8), a notch (82) is formed in the side wall of the fixed pipe (8), a support frame (84) and an adjusting piece (88) are installed on the outer side face of the fixed pipe (8), a transmission shaft (76) and a second rotating shaft (86) are inserted into the support frame (84), a gear (75) and a slitting blade (85) are respectively sleeved on the transmission shaft (76) and the second rotating shaft (86), and a baffle (87) is inserted into the adjusting piece (88);

the bottom end of the conveying belt (9) is located below the inclined plate (51), and a screen plate (91) is mounted on the conveying belt (9).

2. The processing and molding device for PC modified plastic as claimed in claim 1, wherein: install motor (52) on the bottom surface of swash plate (51), motor (52) with first axis of rotation (56) link to each other, blanking mouth (54) have been seted up on swash plate (51), blanking mouth (54) are close to conveyer belt (9), both ends are connected respectively about swash plate (51) the left side board and the bottom plate of water-cooling box (6).

3. The processing and molding device for PC modified plastic as claimed in claim 2, wherein: baffle (53) evenly separate disperse ring (5) with annular region between connecting pipe (57) forms a plurality of separating groove (55), the size that separates groove (55) is less than the size of blanking mouth (54), the lower extreme of disperse ring (5) is located under the bottom of fixed pipe (8).

4. The processing and molding device for PC modified plastic as claimed in claim 1, wherein: the inner wall of the roller (7) is provided with convex blocks (73), grooves (72) are formed among the convex blocks (73), the convex blocks (73) are connected with the outer side surface of the fixed pipe (8), and the grooves (72) are communicated with the water permeable holes (71).

5. The PC modified plastic processing and forming device as claimed in claim 4, wherein: the upper end no end cover of cylinder (7), the lower extreme no end cover of fixed pipe (8), the upper end of fixed pipe (8) is connected mount (81), the lower extreme of fixed pipe (8) is worn out cylinder (7), conveyer belt (9) slope install in water-cooling box (6), equidistant installation on the surface of conveyer belt (9) otter board (91).

6. The processing and molding device for PC modified plastic as claimed in claim 1, wherein: breach (82) intercommunication lumen (83) and recess (72), support frame (84) are L type structure, the one end of support frame (84) is connected the right side board of water-cooling box (6), the other end of support frame (84) is connected and is stretched out cylinder (7) fixed pipe (8), two mounting holes (8401) have been seted up on support frame (84).

7. The PC modified plastic processing and forming device as claimed in claim 6, wherein: the transmission shaft (76) and the second rotating shaft (86) are respectively inserted into the corresponding mounting holes (8401), the second rotating shaft (86) is close to the fixed pipe (8), and a transmission belt (77) is connected between the transmission shaft (76) and the second rotating shaft (86).

8. The processing and molding device for PC modified plastic as claimed in claim 1, wherein: the adjusting piece (88) is of a convex structure, a slot (8801) is formed in the adjusting piece (88), the adjusting piece (88) and the supporting frame (84) are located at two ends of the same diameter, an inserting plate (8701) is connected to the circumference of the baffle (87), and the inserting plate (8701) is matched with the slot (8801).

9. The processing and molding device for PC modified plastic as claimed in claim 1, wherein: the centers of the rotary drum (7), the fixed pipe (8) and the baffle (87) are coaxial, the gear ring (74) is meshed with the gear (75), and the slitting blade (85) extends into a gap between the fixed pipe (8) and the baffle (87).

10. The processing and forming method of the PC modified plastic is characterized by comprising the following steps of:

s1, adding the plastic master batch and the filling material into a mixer (1) to obtain a mixture;

s2, heating the mixture by the preheating machine (2) and then feeding the mixture into the extruder (3) to obtain plastic strips;

s3, feeding the plastic strips into a groove (72) of a roller (7), and cooling the plastic strips in a water cooling tank (6) by water;

s4, feeding the water-cooled plastic strips into the tube cavity (83) of the fixed tube (8), and cutting the plastic strips by rotating the cutting blade (85).