Stirring device for thin film granulation

Abstract

The utility model discloses a stirring device for thin film granulation, which comprises a rack, a stirring part and a cooling part, the stirring part comprises a stirring bin, a stirring cavity is arranged in the stirring bin, a stirring device is arranged in the stirring cavity, a first conveying pipe is arranged on one side of the stirring bin, the first conveying pipe is provided with a first conveying channel, and a second conveying channel is arranged on the other side of the stirring bin. The first conveying channel is communicated with the stirring cavity, the first conveying pipe is connected with an external film pelletizer, and the external film pelletizer is suitable for conveying produced particles into the stirring cavity through the first conveying channel of the first conveying pipe; the cooling component comprises an air cooler and a connecting pipe, the air cooler is installed on the rack, one end of the connecting pipe is communicated with the air cooler, the other end of the connecting pipe is communicated with the stirring cavity, produced particles can be well cooled, the particles are separated through a stirring device, and therefore the produced particles are more uniform. The particle quality is improved; and smooth discharging is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of stirring devices for film granulation, belong to granulating equipment technical field. BACKGROUND

[0002] Film granulator is a kind of mechanical equipment for processing film material into particles, which is widely used in plastic recycling, film processing, packaging material manufacturing and other industries, and the traditional film granulation method is mainly to crush film material into fragments, and then melt granulation. After searching, a kind of stirring device for film granulation is disclosed in Chinese patent with publication number CN111531740A. The patent places the film material roll on the film roll mounting seat, then sends the film material into the first crushing device for preliminary crushing through the automatic occlusion introduction device, the crushed film material enters the second crushing device for further crushing through the material guide groove, the crushed material is conveyed to the melting device for melting by the material guide belt, then enters the cooling pool for cooling and solidification through the discharge port, and the solidified particles enter the cutting device for cutting through the preheating pipeline. Finally, the obtained plastic particles fall into the plastic particle tank. However, the patent preheats during cutting, and the produced particles still have a certain temperature, which easily stick together, causing blockage during discharge and poor particle quality. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a stirring device for film granulation, which can cool the produced particles well and separate them through the stirring device, improve the particle quality and ensure smooth discharge.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a stirring device for film granulation, comprising:

[0005] A rack;

[0006] A stirring component, the stirring component comprises a stirring bin, a stirring cavity is arranged in the stirring bin, a stirring device is arranged in the stirring cavity, a first conveying pipe is arranged on one side of the stirring bin, the first conveying pipe is provided with a first conveying channel, the first conveying channel is communicated with the stirring cavity, and the first conveying pipe is connected with an external film granulator.

[0007] A cooling component, the cooling component comprises a cooling fan and a connecting pipe, the cooling fan is installed on the rack, one end of the connecting pipe is communicated with the cooling fan, the other end of the connecting pipe is communicated with the stirring cavity, and the cooling fan is adapted to convey cooling air into the stirring cavity through the connecting pipe.

[0008] The stirring device is suitable for stirring the particles in the stirring cavity.

[0009] Further, the rack is provided with a placing seat suitable for installing a cooling fan.

[0010] Further, in order to better separate the produced particles, the stirring device comprises a stirring motor, a first transmission wheel, a second transmission wheel and a stirring shaft, the stirring motor is installed on the placing seat, the first transmission wheel is connected with the movable end of the stirring motor, the stirring shaft is rotatably installed on the stirring bin, the stirring shaft is provided with stirring blades suitable for stirring, the second transmission wheel is installed on one end of the stirring shaft, and the first transmission wheel and the second transmission wheel are further provided with a synchronous belt.

[0011] Further, the bottom of the stirring bin is further provided with a first discharge port, and the first discharge port is connected with the stirring cavity.

[0012] Further, in order to prevent the bonded particles from being collected, the film granulation stirring device further comprises a screening component, the screening component comprises a screening barrel, the screening barrel is arranged below the stirring bin, the screening barrel is provided with a separation cavity and a pushing cavity, the separation cavity is connected with the pushing cavity, a filter screen is arranged between the separation cavity and the pushing cavity, a second discharge port is arranged on the sidewall of the bottom of the screening barrel, and the second discharge port is connected with the pushing cavity.

[0013] The particles in the stirring cavity fall into the separation cavity through the first discharge port, enter the pushing cavity through the filter screen, and are discharged through the second discharge port.

[0014] Further, in order to ensure that the particles can be continuously discharged from the equipment and avoid blockage and accumulation, the pushing cavity is further provided with a pushing device, the pushing device comprises a pushing motor, a driving gear, a driven gear and a pushing shaft, the pushing motor is arranged below the stirring bin, the driving gear is installed on the movable end of the pushing motor, the bottom of the screening barrel is further provided with a transmission channel, the pushing shaft is rotatably installed in the transmission channel, the driven gear is installed on the pushing shaft, and the driving gear is engaged with the driven gear.

[0015] One end of the pushing shaft is arranged in the pushing cavity, at least one pushing plate is arranged on the pushing shaft, and the pushing motor is suitable for driving the driving gear to rotate to drive the driven gear to rotate, so that the pushing plate pushes the particles in the pushing cavity to be discharged through the second discharge port.

[0016] Further, the second discharge port is provided with a guide plate suitable for guiding the flow direction of the particles.

[0017] Further, in order to facilitate storage, a storage box suitable for storing the particles is arranged below the guide plate.

[0018] Further, in order to ensure normal use of the filter screen, a suction port is further arranged on the screening barrel, the suction port is communicated with the separation cavity, and the suction port is suitable for being connected with an external air pump.

[0019] After the above technical scheme is adopted, the thin film granulator has the following beneficial effects:

[0020] In the utility model, the particles generated by the thin film granulator are conveyed to the stirring cavity through the first conveying passage of the first conveying pipe, the air cooler conveys cooling air into the stirring cavity, the stirring motor is started, the stirring shaft is rotated through driving, the stirring blade stirs the particles in the stirring cavity, and the cooling air is used to reduce the temperature of the particles to prevent the particles from adhering due to heat accumulation;

[0021] The particles after stirring fall into the separation cavity of the screening barrel through the first discharge port, the particles adhered together and the particles not meeting the size requirement are screened out through the filter screen, the particles meeting the requirement pass through the filter screen and enter the pushing cavity, then the pushing device is started, the pushing plate pushes the particles in the pushing cavity to pass through the second discharge port and be discharged, the guide plate guides the particles to flow and finally fall into the storage box, and the particles are conveniently collected and stored. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the stirring device for thin film granulation of the utility model Figure 1 ;

[0023] Figure 2 It is a perspective view of the stirring device for thin film granulation of the utility model Figure 2 ;

[0024] Figure 3 It is a front view of the stirring device for thin film granulation of the utility model;

[0025] Figure 4 It is a top view of the stirring device for thin film granulation of the utility model;

[0026] Figure 5 It is a full sectional view of the stirring bin of the utility model;

[0027] Figure 6 It is a full sectional view of the screening barrel of the utility model. DETAILED DESCRIPTION

[0028] In order to make the content of the utility model more easily and clearly understood, the utility model is further described in detail below according to specific embodiments and in combination with the drawings.

[0029] For example, Figures 1-6As shown, a stirring device for film granulation includes:

[0030] Rack 1;

[0031] A stirring component includes a stirring chamber 2, a stirring chamber 21 is provided in the stirring chamber 2, a stirring device is provided in the stirring chamber 21, a first conveying pipe 22 is provided on one side of the stirring chamber 2, the first conveying pipe 22 is provided with a first conveying channel, the first conveying channel is connected to the stirring chamber 21, the first conveying pipe 22 is connected to an external film granulator, and the external film granulator is suitable for conveying the produced particles to the stirring chamber 21 through the first conveying channel of the first conveying pipe 22;

[0032] The cooling component includes an air cooler 31 and a connecting pipe 32. The air cooler 31 is installed on the frame 1. One end of the connecting pipe 32 is connected to the air cooler 31, and the other end of the connecting pipe 32 is connected to the stirring chamber 21. The air cooler 31 is suitable for delivering cooling air to the stirring chamber 21 through the connecting pipe 32.

[0033] The stirring device is suitable for stirring the particles in the stirring chamber 21 .

[0034] In this embodiment, the external film granulator conveys the produced plastic particles to the stirring chamber 21 of the stirring bin 2 through the first conveying pipe 22. Since the plastic particles themselves have a certain amount of heat at this time, the cooling air blower 31 is started to spray cooling air into the stirring chamber 21, and the stirring device is used to prevent the newly produced plastic particles from sticking together.

[0035] Specifically, if Figures 1-6 As shown, a placement seat 4 suitable for installing an air cooler 31 is also provided on one side of the rack 1.

[0036] Specifically, if Figures 1-5 As shown, the stirring device includes a stirring motor 51, a first transmission wheel 52, a second transmission wheel 53 and a stirring shaft 54. The stirring motor 51 is installed on the placement seat 4, the first transmission wheel 52 is connected to the movable end of the stirring motor 51, the stirring shaft 54 ​​is rotatably installed on the stirring bin 2, and a stirring blade 55 suitable for stirring is installed on the stirring shaft 54. The second transmission wheel 53 is installed at one end of the stirring shaft 54, and a synchronous belt 56 is also provided between the first transmission wheel 52 and the second transmission wheel 53.

[0037] In this embodiment, the stirring motor 51 drives the first transmission wheel 52 to rotate clockwise, and the synchronous belt 56 is suitable for connecting the first transmission wheel 52 and the second transmission wheel 53. Due to the setting of the synchronous belt 56, the second transmission wheel 53 also rotates clockwise, driving the stirring blade 55 to rotate and stir the particles in the stirring chamber 21 to separate the bonded particles.

[0038] Specifically, if Figures 1-3As shown, the bottom of the stirring bin 2 is also provided with a first discharge port 23, which is in communication with the stirring cavity 21.

[0039] Specifically, as shown in Figures 3-6 The film granulation stirring device also includes a screening component, which includes a screening barrel 6 arranged below the stirring bin 2. The screening barrel 6 is provided with a separation cavity 61 and a pushing cavity 62, which are in communication. A filter screen 63 is arranged between the separation cavity 61 and the pushing cavity 62. A second discharge port 64 is arranged on the sidewall of the bottom of the screening barrel 6, which is in communication with the pushing cavity 62.

[0040] The particles in the stirring cavity 21 fall into the separation cavity 61 through the first discharge port 23, enter the pushing cavity 62 through the filter screen 63, and are discharged through the second discharge port 64. Specifically, as shown in Figures 3-6 The pushing cavity 62 is also provided with a pushing device, which includes a pushing motor 71, a driving gear 72, a driven gear 73, and a pushing shaft 74. The pushing motor 71 is arranged below the stirring bin 2. The driving gear 72 is installed on the movable end of the pushing motor 71. The bottom of the screening barrel 6 is also provided with a transmission passage 65. The pushing shaft 74 is rotatably installed in the transmission passage 65. The driven gear 73 is installed on the pushing shaft 74. The driving gear 72 is in meshing engagement with the driven gear 73.

[0041] One end of the pushing shaft 74 is arranged in the pushing cavity 62. At least one pushing plate 75 is arranged on the pushing shaft 74. The pushing motor 71 is adapted to drive the driving gear 72 to rotate to drive the driven gear 73 to rotate, so as to push the particles in the pushing cavity 62 to be discharged through the second discharge port 64.

[0042] In this embodiment, the pushing plate 75 is a flat square plate, which extends in the radial direction of the pushing shaft 74. The length of the pushing plate 75 is consistent with the diameter of the pushing cavity 62. In order to adapt to the circular inner wall of the pushing cavity 62, the top end of the pushing plate 75 towards the inner wall of the pushing cavity 62 is arc-shaped. When the pushing plate 75 rotates, the arc-shaped top end will tightly adhere to the inner wall of the pushing cavity 62, and push the particles in the cavity to move and be discharged from the second discharge port 64.

[0043] Specifically, as shown in Figures 1-3 The second discharge port 64 is provided with a guide plate 76 adapted to guide the flow of particles.

[0044] Specifically, as shown in Figures 1-3 The guide plate 76 is provided below a storage box 8 adapted to store particles.

[0045] Specifically, as shown in Figure 5 The screening barrel 6 is also provided with a suction port 611 in communication with the separation cavity 61.

[0046] In the embodiment, when the unqualified particles on the filter screen 63 are too much, the device is stopped, and the external suction pump is started to suck the particles on the filter screen 63 and in the separation cavity 61 through the suction port 611, so that the normal use of the filter screen is ensured.

[0047] In the embodiment, the particles generated by the film granulator are conveyed into the stirring cavity 21 through the first conveying passage of the first conveying pipe 22, the air cooler 31 conveys cooling air into the stirring cavity 21, the stirring motor 51 is started to rotate the stirring shaft 54, and the stirring blade 55 stirs the particles in the stirring cavity 21, so that the temperature of the particles is reduced in cooperation with the cooling air, and the particles are prevented from being adhered due to heat accumulation.

[0048] The stirred particles fall into the separation cavity 61 of the separation barrel 6 through the first discharge port 23, the particles adhered together and the particles not meeting the size requirement are screened out through the filter screen 63, the qualified particles enter the pushing cavity 62 through the filter screen 63, then the pushing device is started, the pushing plate 75 pushes the particles in the pushing cavity 62 to discharge through the second discharge port 64, and the guide plate 76 guides the particles to flow and finally fall into the storage box 8, so that the particles are conveniently collected and stored.

[0049] The above-described specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above-described specific embodiments are merely specific embodiments of the utility model, and are not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A stirring device for film granulation, characterized in that: Include: Frame (1); Stirring parts, the stirring parts include stirring bin (2), the stirring bin (2) is equipped with stirring cavity (21), the stirring cavity (21) is equipped with stirring device, the stirring bin (2) one side is equipped with first conveying pipe (22), the first conveying pipe (22) is equipped with first conveying channel, the first conveying channel is connected with the stirring cavity (21), the first conveying pipe (22) is connected with external film granulator, external film granulator is suitable for the granules produced by the first conveying pipe (22) first conveying channel is conveyed to the stirring cavity (21) in; Cooling parts, the cooling parts include cooling fan (31) and connecting pipe (32), the cooling fan (31) is installed on the frame (1), the connecting pipe (32) one end is connected with the cooling fan (31), the connecting pipe (32) other end is connected with the stirring cavity (21), the cooling fan (31) is suitable for the cooling fan (31) is conveyed to the stirring cavity (21) in the connecting pipe (32); The stirring device is suitable for the particles in the stirring cavity (21) are stirred.

2. The film granulation stirring device according to claim 1, wherein: The frame (1) one side is further equipped with the placing seat (4) suitable for installing the cooling fan (31).

3. The film granulation stirring device according to claim 2, wherein: The stirring device includes stirring motor (51), first transmission wheel (52), second transmission wheel (53) and stirring shaft (54), the stirring motor (51) is installed on the placing seat (4), the first transmission wheel (52) is connected with the movable end of the stirring motor (51), the stirring shaft (54) is rotatably installed on the stirring bin (2), the stirring shaft (54) is installed with the stirring blade (55) suitable for stirring, the second transmission wheel (53) is installed on the one end of the stirring shaft (54), the first transmission wheel (52) and the second transmission wheel (53) are further equipped with synchronous belt (56).

4. The film granulation stirring device according to claim 1, wherein: The stirring bin (2) bottom is further equipped with first discharge port (23), the first discharge port (23) is connected with the stirring cavity (21).

5. The thin film granulating stirring device according to claim 4, wherein Further include: Screening parts, the screening parts include screening barrel (6), the screening barrel (6) is arranged below the stirring bin (2), the screening barrel (6) is equipped with separation cavity (61) and push cavity (62), the separation cavity (61) is connected with the push cavity (62), the separation cavity (61) and the push cavity (62) are equipped with filter screen (63), the sidewall on the bottom of the screening barrel (6) is equipped with second discharge port (64), the second discharge port (64) is connected with the push cavity (62); The particles in the stirring cavity (21) fall to the separation cavity (61) through the first discharge port (23), enter the push cavity (62) through the filter screen (63) and then discharge through the second discharge port (64).

6. The thin film granulating stirring device according to claim 5, characterized in that: The pushing cavity (62) is further provided with a pushing device, the pushing device comprises a pushing motor (71), a driving gear (72), a driven gear (73) and a pushing shaft (74), the pushing motor (71) is arranged below the stirring bin (2), the driving gear (72) is installed on the movable end of the pushing motor (71), the bottom of the sieve barrel (6) is further provided with a transmission channel (65), the pushing shaft (74) is rotatably installed in the transmission channel (65), the driven gear (73) is installed on the pushing shaft (74), and the driving gear (72) is engaged with the driven gear (73); One end of the pushing shaft (74) is arranged in the pushing cavity (62), at least one pushing plate (75) is arranged on the pushing shaft (74), and the pushing motor (71) is suitable for driving the driving gear (72) to rotate to drive the driven gear (73) to rotate, so that the pushing plate (75) pushes the particles in the pushing cavity (62) to discharge through the second discharge port (64).

7. The thin film granulating stirring device according to claim 5, characterized in that: The second discharge port (64) is provided with a guide plate (76) suitable for guiding the flow direction of particles.

8. The thin film granulating stirring device according to claim 7, characterized in that: The guide plate (76) is provided below with a storage box (8) suitable for storing particles.

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