CN219190865U

CN219190865U - Improved PVC granulator

Info

Publication number: CN219190865U
Application number: CN202320282832.1U
Authority: CN
Inventors: 丁建良; 沈国年; 宋权中; 袁仕如; 姚国良
Original assignee: Hangzhou Hengbao Plastic Co ltd
Current assignee: Hangzhou Hengbao Plastic Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-16
Anticipated expiration: 2033-02-22

Abstract

The utility model relates to an improved PVC granulator in the technical field of PVC plastic processing, which comprises a granulator shell, wherein three installation shafts are uniformly and rotatably arranged on the inner side of the granulator shell, one end of each installation shaft is fixedly connected with a guide roller on the outer side, and a plurality of circular cutters are horizontally and transversely fixedly arranged on the outer side of the installation shaft in the middle. Compared with the prior art, through the guide roll, circular knife and the blade sword that set up, be convenient for this granulator is in the use, and the PVC powder is carried to the guide roll direction and is moved towards the circular knife, then realizes horizontal cutting under the rotation of circular knife, realizes horizontal vertically cutting under the rotation of blade sword afterwards to more convenient high-efficient granulation processing of powder has been realized, has solved traditional cutting and has had the problem that waste material is many and inefficiency.

Description

Improved PVC granulator

Technical Field

The utility model relates to the technical field of PVC plastic processing, in particular to an improved PVC granulator.

Background

The PCC plastic is a multi-component plastic, different additives can be added according to different purposes, PVC products show different physical and mechanical properties due to different components, SG-5 PVC resin is used in the production process of the PVC products, stabilizers, lubricants, fillers, pigments and the like are added, the raw materials are kneaded according to a formula after being properly treated, if a single screw extruder is adopted for extruding pipes, the kneaded powder is manufactured into granules through a granulator, and then the granules are extruded and molded.

The PVC plastic granulator is shown in the authorized bulletin No. CN211941593U, the PVC plastic is precisely cut, the size of the cut plastic granules is ensured to meet the standard, and the qualification rate of the cut granules is improved.

In the implementation process, the granulation operation after powder kneading is mainly realized through the cutting knife, but the conveyor belt is required to stop moving in the cutting process, and then the cutting of the powder can be carried out by the cutting knife.

Disclosure of Invention

Aiming at the problems, the utility model provides an improved PVC granulator, which is stable and efficient in granulating and cutting PVC powder, and avoids influencing the processing efficiency by generating more waste materials.

The technical scheme of the utility model is as follows:

the utility model provides a modified PVC pelleter, includes the pelleter casing, three installation axle is installed to the inboard even rotation of pelleter casing, one end the outside fixedly connected with guide roll of installation axle, middle part the outside horizontal fixed mounting of installation axle has a plurality of circular knife, the other end the outside horizontal vertical fixed mounting of installation axle has a plurality of slice sword, the mounting groove has been seted up to the front end inboard of pelleter casing, and is three the front end of installation axle all runs through to the mounting groove in, one side fixed mounting of pelleter casing front end has the motor, and is three the installation axle passes through drive assembly and is connected with the motor output.

In further technical scheme, the upper surface at both ends is fixedly connected with fixed block respectively around the granulator housing, two one end fixedly connected with connecting axle between the fixed block, the outside rotation of connecting axle is connected with the guard plate that is located between the two fixed block other ends, the one end fixedly connected with of guard plate is located the connecting plate of granulator housing one side, the lower surface of connecting plate and the extreme parallel and level of guide roll, the other end of guard plate is equipped with the stiffener of fixed mounting between two fixed blocks.

In further technical scheme, the drive assembly is including rotating the transmission shaft of connecting in the mounting groove, the outside of transmission shaft evenly fixedly connected with three worm, three the front end outside of installation axle is fixedly connected with worm wheel respectively, worm and worm wheel meshing are connected, the output fixedly connected with of motor rotates the drive shaft of installing in granulator shell one end inboard, the drive shaft passes through joint subassembly and transmission shaft swing joint.

In further technical scheme, the joint subassembly includes slidable mounting in the inboard movable rod of transmission shaft, the one end of movable rod runs through the granulator casing and extends to the outside, the other end middle part fixedly connected with dysmorphism piece of movable rod, the dysmorphism groove has been seted up respectively to drive shaft and the relative one side of transmission shaft, both ends pass through spring and transmission shaft swing joint respectively around movable rod one side.

In a further technical scheme, the two outer sides of the two ends of the transmission shaft are respectively and rotatably connected with limiting sleeves, and the two limiting sleeves are respectively and fixedly installed on the inner walls of the two ends of the installation groove.

In a further technical scheme, the horizontal and transverse length of the special-shaped block is equal to the sum of the horizontal and transverse groove depths of the two special-shaped grooves, the horizontal and longitudinal maximum length of the special-shaped block is smaller than the diameter of the movable rod, and the special-shaped block is arranged on the inner wall of one end of the special-shaped block and one end of the transmission shaft.

The beneficial effects of the utility model are as follows:

1. compared with the prior art, through the guide roll, circular knife and the blade sword that set up, be convenient for this granulator is in the use, and the PVC powder is carried to the guide roll direction and is moved towards the circular knife, then realizes horizontal cutting under the rotation of circular knife, realizes horizontal vertically cutting under the rotation of blade sword afterwards to more convenient high-efficient granulation processing of powder has been realized, has solved traditional cutting and has had the problem that waste material is many and inefficiency.

2. Compared with the prior art, through guard plate, connecting plate and the movable rod that set up, this granulator of being convenient for can realize the protection on granulator housing top through rotating guard plate and connecting plate in the use, then realize the mutual joint of transmission shaft and drive shaft through extrusion movable rod to the drive shaft can drive guide roll, circular knife and blade sword and rotate, has realized that the guard plate opens the back, guide roll, circular knife and blade sword automatic stop pivoted safety protection function.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial cross-section of a pelletizer housing according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional structural view of a drive shaft according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of a guard plate according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a transmission shaft according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a pelletizer housing; 2. a fixed block; 3. a reinforcing rod; 4. a protection plate; 5. a connecting plate; 6. a guide roller; 7. a circular knife; 8. a blade; 9. a mounting shaft; 10. a transmission shaft; 11. a worm; 12. a movable rod; 13. a drive shaft; 14. a special-shaped block; 15. a special-shaped groove; 16. a spring; 17. a connecting shaft; 18. a limit sleeve; 19. a worm wheel; 20. and a motor.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples:

as shown in fig. 1 to 5, an improved PVC granulator comprises a granulator housing 1, three mounting shafts 9 are uniformly rotatably mounted on the inner side of the granulator housing 1 so as to support and rotate guide rollers 6, circular cutters 7 and blade cutters 8, the outer side of one mounting shaft 9 is fixedly connected with the guide rollers 6 so as to guide PVC powder, a plurality of circular cutters 7 are horizontally and transversely fixedly mounted on the outer side of the middle mounting shaft 9 so as to realize horizontal and transverse cutting of PVC powder, a plurality of blade cutters 8 are horizontally and longitudinally fixedly mounted on the outer side of the other mounting shaft 9 so as to realize horizontal and longitudinal cutting of PVC powder, a mounting groove is formed in the inner side of the front end of the granulator housing 1 so as to facilitate mounting of a driving assembly, the front ends of the three mounting shafts 9 penetrate into the mounting grooves so as to drive the mounting shafts 9 to rotate through the driving assembly, the motor 20 is fixedly arranged on one side of the front end of the granulator housing 1, power for rotating three mounting shafts 9 is provided, the three mounting shafts 9 are connected with the output end of the motor 20 through a driving component so that the motor 20 drives the three mounting shafts 9 to rotate, the driving component comprises a driving shaft 10 which is rotationally connected in a mounting groove and supports three worms 11 to rotate, three worms 11 are uniformly and fixedly connected on the outer side of the driving shaft 10, worm wheels 19 are fixedly connected on the outer side of the front end of the three mounting shafts 9 respectively, the worm 11 is in meshed connection with the worm wheels 19, the driving of the driving shaft 10 on the three mounting shafts 9 is realized, the output end of the motor 20 is fixedly connected with a driving shaft 13 which is rotationally arranged on the inner side of one end of the granulator housing 1 so as to drive the driving shaft 10 to rotate, the driving shaft 13 can realize the transmission of kinetic energy from the driving shaft 13 to the driving shaft 10 through the movable connection of the clamping component and the driving shaft 10, the two outer sides of the two ends of the transmission shaft 10 are respectively and rotatably connected with a limiting sleeve 18, and the two limiting sleeves 18 are respectively and fixedly arranged on the inner walls of the two ends of the mounting groove, so that the stability of the rotation of the transmission shaft 10 is ensured.

The working principle of the technical scheme is as follows:

firstly, the motor 20 is started to drive the driving shaft 13 to rotate, then the driving shaft 13 drives the driving shaft 10 to rotate through the clamping assembly, the driving shaft 10 drives the three worm gears 19 to rotate through the three worms 11, the three worm gears 19 drive the guide roller 6, the circular knife 7 and the blade 8 to rotate through the mounting shaft 9 respectively, PVC powder is plugged between the granulator shell 1 and the guide roller 6 at the moment, the powder is driven to move towards one end through the guide roller 6, and then the cutting granulation of the powder is realized under the action of the circular knife 7 and the blade 8, so that the granulation processing of the powder is realized more conveniently and efficiently, and the problems of more waste and low efficiency in the traditional cutting are solved.

In another embodiment, as shown in fig. 4, the upper surfaces of the front end and the rear end of the granulator housing 1 are respectively and fixedly connected with a fixed block 2 so as to play a supporting role, one end between the two fixed blocks 2 is fixedly connected with a connecting shaft 17 so as to facilitate the rotation and installation of a protection plate 4 between the other ends of the two fixed blocks 2, the outer side of the connecting shaft 17 is rotationally connected with the protection plate 4 positioned between the other ends of the two fixed blocks 2, the protection of the top end of the granulator housing 1 can be realized, one end of the protection plate 4 is fixedly connected with a connecting plate 5 positioned on one side of the granulator housing 1, the protection of the top of one end of the granulator housing 1 can be realized, the lower surface of the connecting plate 5 is flush with the lowest end of a guide roller 6 so as to facilitate the entry of materials, and the other end of the protection plate 4 is provided with a reinforcing rod 3 fixedly installed between the two fixed blocks 2 so as to play a supporting and limiting role.

Can drive the opening of connecting plate 5 clockwise rotation realization granulator housing 1 top and one end through rotating guard plate 4, then realize rotating the fixed of back position under the spacing support of stiffener 3, when beginning during operation in granulator housing 1, reset guard plate 4 and connecting plate 5 and play the guard action, avoid appearing the injury in the cutting process.

In another embodiment, as shown in fig. 3, the clamping assembly includes a movable rod 12 slidably mounted on the inner side of the transmission shaft 10, so as to drive the special-shaped block 14 and the special-shaped groove 15 to complete the clamping, one end of the movable rod 12 penetrates through the granulator housing 1 and extends to the outer side, so that the movable rod 12 is pushed by the connecting plate 5, the special-shaped block 14 is fixedly connected to the middle part of the other end of the movable rod 12, the transmission of rotational kinetic energy between the two special-shaped grooves 15 is realized, the special-shaped grooves 15 are respectively formed on opposite sides of the driving shaft 13 and the transmission shaft 10, so that the sliding clamping with the special-shaped block 14 is completed, the kinetic energy transmission is realized, the front end and the rear end of one side of the movable rod 12 are respectively movably connected with the transmission shaft 10 through springs 16, so that the movable rod 12 can reset under the elastic action, the horizontal transverse length of the special-shaped block 14 is equal to the sum of the horizontal transverse groove depths of the two special-shaped grooves 15, so that the special-shaped block 14 and the two special-shaped grooves 15 are clamped, the horizontal longitudinal length of the special-shaped block 14 is smaller than the diameter of the movable rod 12, so that the installation of the springs 16 is convenient, and the special-shaped block 14 is installed on the inner wall of one end of the special-shaped block 14 and the transmission shaft 10.

When the protection plate 4 and the connecting plate 5 are reset, the movable rod 12 returns home through the connecting plate 5 to move towards one end of the driving shaft 13, the movable rod 12 moves to drive the special-shaped block 14 to simultaneously complete the clamping connection with the special-shaped groove 15 on the driving shaft 10 and the special-shaped groove 15 on the driving shaft 13, the driving shaft 13 is grabbed at the moment to complete the grabbing of the driving shaft 10 through the special-shaped block 14, and when the connecting plate 5 is separated from the extrusion of the movable rod 12, the movable rod 12 is reset under the elastic action of the special-shaped block 14, so that the separation of the clamping connection of the special-shaped block 14 and the special-shaped groove 15 is realized.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. An improved PVC granulator, comprising a granulator housing (1), characterized in that: the utility model discloses a granulator, including installation axle (9), cutter shell, motor (20), cutter shell, motor, drive assembly, cutter shell, motor (20) are all run through to the inboard of cutter shell (1), three installation axle (9) are installed in the inboard even rotation of cutter shell (1), one end the outside fixedly connected with guide roll (6) of installation axle (9), middle part the outside level horizontal fixed mounting of installation axle (9) has a plurality of circular knife (7), and the other end the outside level vertical fixed mounting of installation axle (9) has a plurality of slice sword (8), the mounting groove has been seted up to the front end inboard of cutter shell (1), three the front end of installation axle (9) all runs through to the mounting groove in, one side fixed mounting of cutter shell (1) front end has motor (20), and three installation axle (9) are connected with motor (20) output through the drive assembly.

2. An improved PVC granulator as in claim 1, wherein: the utility model discloses a granulator, including granulator, fixed block (2) are fixed connection respectively to the upper surface at both ends around granulator housing (1), two one end fixedly connected with connecting axle (17) between fixed block (2), the outside rotation of connecting axle (17) is connected with guard plate (4) that are located between the other end of two fixed blocks (2), one end fixedly connected with of guard plate (4) is located connecting plate (5) of granulator housing (1) one side, the lower surface of connecting plate (5) and the extreme parallel and level of guide roll (6), the other end of guard plate (4) is equipped with stiffener (3) of fixed mounting between two fixed blocks (2).

3. An improved PVC granulator as in claim 1, wherein: the driving assembly comprises a driving shaft (10) which is rotationally connected in a mounting groove, three worms (11) are uniformly and fixedly connected to the outer side of the driving shaft (10), worm gears (19) are fixedly connected to the outer sides of the front ends of the mounting shafts (9) respectively, the worms (11) are connected with the worm gears (19) in a meshed mode, the output end of the motor (20) is fixedly connected with a driving shaft (13) which is rotationally arranged on the inner side of one end of the granulator shell (1), and the driving shaft (13) is movably connected with the driving shaft (10) through the clamping assembly.

4. An improved PVC granulator according to claim 3, wherein: the clamping assembly comprises a movable rod (12) which is slidably mounted on the inner side of a transmission shaft (10), one end of the movable rod (12) penetrates through the granulator housing (1) and extends to the outer side, a special-shaped block (14) is fixedly connected to the middle of the other end of the movable rod (12), a special-shaped groove (15) is formed in one side, opposite to the transmission shaft (10), of the driving shaft (13), and the front end and the rear end of one side of the movable rod (12) are movably connected with the transmission shaft (10) through springs (16) respectively.

5. An improved PVC granulator according to claim 3, wherein: and the outer sides of the two ends of the transmission shaft (10) are respectively and rotatably connected with limiting sleeves (18), and the two limiting sleeves (18) are respectively and fixedly arranged on the inner walls of the two ends of the mounting groove.

6. An improved PVC granulator as in claim 4, wherein: the horizontal and transverse length of the special-shaped block (14) is equal to the sum of the horizontal and transverse groove depths of the two special-shaped grooves (15), the horizontal and longitudinal maximum length of the special-shaped block (14) is smaller than the diameter of the movable rod (12), and the special-shaped block (14) is arranged on the inner walls of one end of the special-shaped block (14) and one end of the transmission shaft (10).