Polyester resin granulator

Abstract

The utility model discloses a polyester resin granulator, which comprises a conveying device, a feeding device, a discharging device, a cutting device, a cutting device and a cutting device, wherein the conveying device is provided with a starting end and an ending end; one end of the pelletizing shell is open, the interior of the pelletizing shell is hollow and is provided with a containing cavity, and the open position of the pelletizing shell corresponds to the terminal end of the conveying device; the pelletizing mechanism is arranged in the accommodating cavity and is used for pelletizing the polyester resin conveyed by the conveying device; the power mechanism is used for driving the pelletizing mechanism to rotate; the discharging opening is formed in the side, away from the conveying device, of the pelletizing shell; and the collecting assembly is arranged below the discharging opening. Batch transportation can be achieved through the conveying device in cooperation with the partition plate, accumulation of polyester resin is avoided, the polyester resin is granulated through the first granulating blade and the second granulating blade, and the granulated polyester resin is more uniform in cooperation with the screen.

Description

Technical Field

[0001] The utility model relates to the technical field of polyester resin production and processing, in particular to a polyester resin pelletizer. Background Art

[0002] Polyester resin is a general term for polymer compounds formed by polycondensation of diols or dibasic acids or polyols and polyacids. Polyester resin is divided into saturated polyester resin and unsaturated polyester resin, and is widely used in plastics, fibers, coatings, adhesives and other fields. After processing and molding, polyester resin is usually cut into small particles to increase the surface area of ​​the raw material and facilitate subsequent transportation and use. The existing polyester resin pelletizer has poor particle differences after pelletization, which affects product quality. In addition, polyester resin is easily accumulated when it is discharged from the feed port, which affects pelletizing efficiency. Based on this, a polyester resin pelletizer is designed. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art, the utility model provides a polyester resin pelletizer, which can realize batch transportation through a conveying device and a partition plate to avoid the accumulation of polyester resin, and realize the pelletizing operation of polyester resin through a first pelletizing blade and a second pelletizing blade, and cooperate with a screen to make the polyester resin after pelletizing more uniform, thereby improving product quality.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A polyester resin pelletizer comprises: a conveying device, the conveying device having a starting end and an end end for conveying polyester resin; a pelletizing shell, one end of the pelletizing shell is open and the interior is hollow with a containing cavity, the open end of the pelletizing shell corresponds to the end end of the conveying device; a pelletizing mechanism, the pelletizing mechanism is arranged in the containing cavity and is used to pelletize the polyester resin conveyed by the conveying device; a power mechanism, the power mechanism is used to drive the pelletizing mechanism to rotate; a discharge port, the discharge port is arranged on a side of the pelletizing shell away from the conveying device; and a collecting component is arranged below the discharge port.

[0006] By adopting the above scheme, batch transportation can be achieved through the conveying device in combination with the partition plate to avoid the accumulation of polyester resin, and the pelletizing operation of the polyester resin can be achieved through the first pelletizing blade and the second pelletizing blade, and the polyester resin after pelletizing can be more uniform in combination with the screen, thereby improving product quality.

[0007] Furthermore, the conveying device includes: a main transmission shaft; a conveyor belt, which is wound around at least two of the main transmission shafts; a support frame, to which the main transmission shaft is rotatably connected; wherein the support frame is inclined, and the starting end of the conveying device is lower than the ending end of the conveying device.

[0008] By adopting the above scheme, the transportation effect of polyester resin is achieved.

[0009] Furthermore, a plurality of partition plates are evenly arranged on the conveyor belt.

[0010] By adopting the above solution, the polyester resin can be easily separated to avoid the accumulation or sliding of the polyester resin.

[0011] Furthermore, the pelletizing mechanism includes: a main rotating shaft, which is arranged along the length direction of the pelletizing shell; baffles, which are arranged at intervals along the length direction of the main rotating shaft; an auxiliary rotating shaft, which passes through all the baffles and is arranged circumferentially; a first pelletizing blade, which is arranged on the auxiliary rotating shaft; and a second pelletizing blade, which is arranged on the main rotating shaft.

[0012] By adopting the above solution, the pelletizing effect is achieved by the first pelletizing blade and the second pelletizing blade, and the pellets after pelletizing are uniform.

[0013] Furthermore, a rolling assembly is arranged at the open portion of the pelletizing shell, and the rolling assembly comprises a rolling roller, and a gap is left between the rolling roller and the bottom wall of the pelletizing shell to facilitate the passage of polyester resin.

[0014] By adopting the above solution, it is convenient to roll the polyester resin of the conveying device, which is convenient for subsequent pelletizing.

[0015] Furthermore, the power mechanism includes: a driving motor; a first pulley, which is drivingly connected to the output shaft of the driving motor; a second pulley, which is connected to one end of the main rotating shaft; a third pulley, which is connected to the other end of the main rotating shaft; and a fourth pulley, which is connected to the end of the rolling roller; wherein the first pulley is connected to the second pulley by a belt, and the third pulley is connected to the fourth pulley by a belt.

[0016] By adopting the above solution, the driving motor is used to provide a power source for the main shaft and the rolling roller, and electric energy is saved by using one motor.

[0017] Furthermore, a screen is provided at the connection between the discharge port and the pelletizing shell.

[0018] By adopting the above scheme, the polyester resin with a particle size larger than the screen can be conveniently retained inside the pulverizing shell through the screen, so as to facilitate the subsequent pelletizing operation until the particle size of the polyester resin is smaller than the screen.

[0019] Furthermore, the collection component is a collection box with an open top.

[0020] By adopting the above solution, the collection effect is achieved through the collection box, and the collection box can be easily removed to collect the pelletized polyester resin.

[0021] Furthermore, it also includes a supporting structure, which is used to reserve space between the conveying device, the pelletizing shell, the power mechanism, the collecting assembly and the ground.

[0022] By adopting the above solution, the conveying device, the pelletizing shell, the power mechanism and the collecting assembly are vacated. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0024] Figure 2 A top view of a conveying device according to an embodiment of the utility model;

[0025] Figure 3 A schematic diagram of a rolling assembly according to an embodiment of the utility model;

[0026] Figure 4 This is a schematic diagram of the interior of a pelletizing shell according to an embodiment of the utility model;

[0027] Figure 5 A schematic diagram of a discharge port in an embodiment of the utility model;

[0028] Among them, the meanings of the figure marks are as follows: 1. Conveying device; 11. Starting end; 12. End end; 13. Main transmission shaft; 14. Transmission belt; 141. Partition plate; 15. Support frame; 2. Pelletizing shell; 3. Pelletizing mechanism; 32. Baffle; 33. Auxiliary rotating shaft; 34. First pelletizing blade; 35. Second pelletizing blade; 4. Power mechanism; 41. Driving motor; 42. First pulley; 43. Second pulley; 45. Fourth pulley; 46. Belt; 5. Discharge port; 51. Screen; 6. Collection assembly; 7. Roller; 8. Support structure. DETAILED DESCRIPTION

[0029] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] See also Figure 1-Figure 5 The utility model discloses a polyester resin pelletizer: comprising a conveying device 1, a pelletizing shell 2, a pelletizing mechanism 3, a power mechanism 4, a discharge port 5 and a collecting assembly 6. The conveying device 1 has a starting end 11 and an end end 12 for conveying polyester resin. The pelletizing shell 2 is open at one end and hollow inside with a receiving cavity. The open end of the pelletizing shell 2 corresponds to the end end 12 of the conveying device 1. The pelletizing mechanism 3 is arranged in the receiving cavity and is used to pelletize the polyester resin conveyed by the conveying device 1. The power mechanism 4 is used to drive the pelletizing mechanism 3 to rotate. The discharge port 5 is arranged on the side of the pelletizing shell 2 away from the conveying device 1. The collecting assembly 6 is arranged below the discharge port 5. The conveying device 1 can be used in combination with a partition plate 141 to realize batch transportation to avoid the accumulation of polyester resin, and the first pelletizing blade 34 and the second pelletizing blade 35 can be used to realize the pelletizing operation of the polyester resin, and the screen 51 can be used to make the polyester resin after pelletizing more uniform, thereby improving the product quality.

[0034] Specifically, see Figure 5 As shown, a screen 51 is provided at the connection between the discharge port 5 and the pelletizing shell 2, so that the polyester resin with a particle size larger than the screen 51 can be retained inside the pulverizing shell through the screen 51, so as to facilitate the subsequent pelletizing operation until the particle size of the polyester resin is smaller than the screen 51.

[0035] Specifically, the collecting component 6 is a collecting box with an open top, through which the collecting effect is achieved, and the collecting box can be conveniently removed to collect the pelletized polyester resin.

[0036] In this embodiment, see Figure 1 and Figure 2As shown, the conveying device 1 includes a main transmission shaft 13, a conveyor belt and a support frame 15, and the number of the main transmission shafts 13 is two, and they are respectively arranged at the two ends of the conveyor belt, and the conveyor belt is wound around the two main transmission shafts 13, and the main transmission shaft 13 is rotatably connected to the support frame 15; wherein the main transmission shaft 13 is rotated by a motor drive, wherein the support frame 15 is tilted, and the starting end 11 of the conveying device 1 is lower than the terminal end 12 of the conveying device 1. Achieve the transportation effect of polyester resin. It should be noted that a plurality of partition plates 141 are evenly arranged on the transmission belt 14, which is convenient for separating and conveying the polyester resin to avoid the accumulation or sliding of the polyester resin.

[0037] In this embodiment, see Figure 3 As shown, the pelletizing mechanism 3 includes a main rotating shaft, a baffle 32, an auxiliary rotating shaft 33, a first pelletizing blade 34 and a second pelletizing blade 35. The main rotating shaft is arranged along the length direction of the pelletizing shell 2; the baffles 32 are arranged at intervals along the length direction of the main rotating shaft; the auxiliary rotating shaft 33 passes through all the baffles 32 and is arranged circumferentially; the first pelletizing blade 34 is arranged on the auxiliary rotating shaft 33; the second pelletizing blade 35 is arranged on the main rotating shaft, and the pelletizing effect is achieved by the first pelletizing blade 34 and the second pelletizing blade 35, and the pellets after pelletizing are uniform.

[0038] In this embodiment, see Figure 4 As shown, a rolling assembly is arranged at the open portion of the pelletizing shell 2, and the rolling assembly includes a rolling roller 7. A gap is left between the rolling roller 7 and the bottom wall of the pelletizing shell 2 to facilitate the passage of polyester resin, thereby facilitating the rolling of the polyester resin of the conveying device 1 and subsequent pelletizing.

[0039] In this embodiment, see Figure 1 As shown, the power mechanism 4 includes: a driving motor 41, a first pulley 42, a second pulley 43, a third pulley 46 and a fourth pulley 45, wherein the first pulley 42 is drivingly connected to the output shaft of the driving motor 41; the second pulley 43 is connected to one end of the main rotating shaft; the third pulley 46 is connected to the other end of the main rotating shaft; the fourth pulley 45 is connected to the end of the rolling roller 7; wherein, the first pulley 42 is connected to the second pulley 43 via a belt 46, and the third pulley 46 is connected to the fourth pulley 45 via a belt 46, and the driving motor 41 provides a power source for the main rotating shaft and the rolling roller 7, thereby saving electric energy via one motor.

[0040] Optionally, a mounting structure is provided at the bottom of the conveying device 1, the pelletizing shell 2, the power mechanism 4 and the collecting assembly 6, and the mounting structure is used to reserve space between the bottom of the conveying device 1, the pelletizing shell 2, the power mechanism 4, the collecting assembly 6 and the ground. In this embodiment, the mounting structure is formed by splicing a plurality of tripods.

[0041] The working principle and steps of the utility model are as follows: when in use, the polyester resin is separated by the partition plate 141 and placed on the transmission belt 14, the main transmission shaft 13 is driven by the motor to rotate, the polyester resin is transmitted to the terminal end 12, and is rolled by the rolling roller 7, and then enters the pelletizing shell 2 after rolling, and is pelletized by the first pelletizing blade 34 and the second pelletizing blade 35, and the polyester resin after pelletizing passes through the filter screen into the collection box.

[0042] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A polyester resin pelletizer, characterized in that: include: A conveying device having a starting end and an ending end for conveying the polyester resin; A pelletizing shell, one end of which is open and the interior of which is hollow and has a receiving cavity, and the open end of the pelletizing shell corresponds to the terminal end of the conveying device; A pelletizing mechanism, which is disposed in the accommodating chamber and is used to pelletize the polyester resin conveyed by the conveying device; A power mechanism, the power mechanism is used to drive the pelletizing mechanism to rotate; A discharge port, the discharge port being arranged on a side of the pelletizing shell away from the conveying device; A collecting component is arranged below the discharge port.

2. A polyester resin pelletizer according to claim 1, characterized in that: The transmission device comprises: Main drive shaft; A conveyor belt, wherein the conveyor belt is wound around at least two of the main transmission shafts; A support frame, the main transmission shaft is rotatably connected to the support frame; Wherein, the support frame is arranged obliquely, and the starting end of the conveying device is lower than the ending end of the conveying device.

3. A polyester resin pelletizer according to claim 2, characterized in that: A plurality of partition plates are evenly arranged on the conveyor belt.

4. A polyester resin pelletizer according to claim 1, characterized in that: The pelletizing mechanism comprises: A main rotating shaft, the main rotating shaft is arranged along the length direction of the pelletizing shell; baffles, the baffles being arranged at intervals along the length direction of the main shaft; A secondary rotating shaft, the secondary rotating shaft passes through all the baffles and is arranged circumferentially; a first pelletizing blade, wherein the first pelletizing blade is disposed on the secondary rotating shaft; A second pelletizing blade is disposed on the main rotating shaft.

5. A polyester resin pelletizer according to claim 4, characterized in that: A rolling assembly is arranged at the open portion of the pelletizing shell, and the rolling assembly comprises a rolling roller. A gap is left between the rolling roller and the bottom wall of the pelletizing shell to facilitate the passage of polyester resin.

6. A polyester resin pelletizer according to claim 5, characterized in that: The power mechanism comprises: Drive motor; A first pulley, the first pulley is drivingly connected to the output shaft of the driving motor; a second pulley connected to one end of the main shaft; a third pulley connected to the other end of the main shaft; a fourth pulley connected to an end of the laminating roller; Wherein, the first pulley is connected to the second pulley via a belt, and the third pulley is connected to the fourth pulley via a belt.

7. A polyester resin pelletizer according to claim 1, characterized in that: A screen is arranged at the connection between the discharge port and the pelletizing shell.

8. A polyester resin pelletizer according to claim 1, characterized in that: The collecting component is a collecting box with an open top.

9. A polyester resin pelletizer according to claim 1, characterized in that: It also includes a supporting structure, which is used to reserve space between the conveying device, the pelletizing shell, the power mechanism, the collecting assembly and the ground.

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