CN220481850U - Masterbatch grain cutting device - Google Patents

Abstract

The utility model provides a masterbatch granulating device, which comprises: a carrier; a conveying mechanism which is arranged on the bearing frame and is used for conveying the plastic strips; the cutting mechanism is arranged on the bearing frame and comprises an installation shaft rotatably arranged on the bearing frame, and a cutting knife is arranged on one side of the installation shaft and positioned on the conveying mechanism; the bearing frame is rotatably provided with a rotating shaft, the rotating shaft is connected with the mounting shaft through a transmission part in a transmission way, and the bearing frame is rotatably provided with a rotating shaft. When the length of the color master batch is adjusted, the rotating speed of the rotating shaft on the bearing frame is adjusted through the stepless speed change mechanism, so that the rotating speed of the mounting shaft can be adjusted, the length of the color master batch is adjusted, the color master batch is not limited by the specification parameters of a motor when the device is used for adjusting the length of the color master batch, the existing mode of adjusting the rotating speed of the cutting knife through changing the output power of the motor is replaced, the speed regulating capability of the device is improved, and meanwhile, the purchasing cost of the device is reduced.

Description

Masterbatch grain cutting device

Technical Field

The utility model relates to the technical field of masterbatch processing equipment, in particular to a masterbatch cutting device.

Background

The color master batch is a plastic colorant which is formed by well dispersing high-proportion pigment or additive and thermoplastic resin, and is extruded into strips after each color master batch is produced, the plastic strips are cooled by a cooling mechanism, and then are conveyed to a cutting mechanism by a conveying mechanism to be subjected to grain cutting operation, so that the color master batch is formed, and the subsequent treatment is convenient.

For example, in the prior art with the authorized publication number CN218535244U, a masterbatch cutting device is disclosed, comprising a base, and characterized in that: the base is fixedly provided with a support column, the support column is fixedly provided with a frame body, bearings are fixedly embedded in two sides of the frame body, a shaft lever is in interference fit with the bearings, a conveying roller is fixedly sleeved on the shaft lever, a plastic strip body is arranged between the upper conveying roller and the lower conveying roller, a first motor is fixed on the outer wall of the frame body, and a rotating shaft of the first motor is fixed with the shaft lever through a shaft coupling; the plastic strip body can be stably conveyed through the plastic, limiting blocks and end covers by virtue of the multiple groups of conveying rollers which are distributed up and down, so that the plastic strip body can be stably conveyed; the blade is driven to rotate by the second motor, and the blade can cut off the plastic strip body to prepare color master batch when the plastic strip body is continuously conveyed;

however, in the above patent, the operation mode is as follows: the motor drives the blade to rotate to cut off the plastic strip body, and as the lengths of the color master batches of different specifications are different, when the color master batches of different specifications are required to be cut, under the condition that the conveying speed of the conveying mechanism to the plastic strip is unchanged, the output power of the motor is required to be changed so as to adjust the rotating speed of the cutter, and the effect that the lengths of the color master batches obtained by cutting are different is realized; however, the number of rotation speed regulation stages is limited by the specification parameters of the motor, so that the number of rotation speed regulation stages of the cutting equipment is limited, and if the speed regulation capability is required to be increased, only the motor with more expensive price and better performance can be purchased, so that the purchase cost of the equipment is increased;

therefore, the application provides a masterbatch cutting device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a masterbatch granulating device, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

a masterbatch pelletizing device comprising:

a carrier;

a conveying mechanism which is arranged on the bearing frame and is used for conveying the plastic strips;

the cutting mechanism is arranged on the bearing frame and comprises an installation shaft rotatably arranged on the bearing frame, and a cutting knife is arranged on one side of the installation shaft and positioned on the conveying mechanism; the bearing frame is rotatably provided with a rotating shaft, the rotating shaft is in transmission connection with the mounting shaft through a transmission piece, the bearing frame is rotatably provided with a rotating shaft, and the bearing frame is fixedly provided with a motor for driving the rotating shaft to rotate;

the stepless speed change mechanism is arranged on the bearing frame, one end of the stepless speed change mechanism is connected with the rotating shaft, the other end of the stepless speed change mechanism is connected with the rotating shaft, and when the rotating shaft rotates on the bearing frame, the rotating speed of the rotating shaft on the bearing frame can be adjusted through the stepless speed change mechanism.

Further: the conveying mechanism comprises a conveying box fixedly arranged at the top of the bearing frame, two guide rollers are rotatably arranged in the conveying box, the two guide rollers are connected through a spur gear assembly, a first motor for driving one of the guide rollers to rotate is fixedly arranged on the conveying box, a perforation for allowing a plastic strip to pass through is formed in one side, close to the cutting knife, of the conveying box, and the cutting knife is attached to the outer wall of the conveying box.

Further: the continuously variable transmission mechanism includes:

the first transmission disc is coaxially connected with the rotating shaft, the second transmission disc is coaxially connected with the rotating shaft, and the first transmission disc is in transmission connection with the second transmission disc through a transmission belt;

the first transmission disc comprises a first disc body and a second disc body which are symmetrically arranged, the first disc body is fixedly connected with the rotating shaft coaxially, a first mounting plate is slidably arranged on the bearing frame along the axis direction of the rotating shaft, the second disc body is rotatably arranged on the first mounting plate, and the second disc body movably penetrates through the rotating shaft and is clamped with the rotating shaft;

the second transmission disc comprises a third disc body and a fourth disc body which are symmetrically arranged, the third disc body is fixedly connected with the rotating shaft coaxially, a second mounting plate is slidably arranged on the bearing frame along the axis direction of the rotating shaft, the fourth disc body is rotatably arranged on the second mounting plate, the fourth disc body movably penetrates through the rotating shaft and is clamped with the rotating shaft, and the first disc body and the third disc body are symmetrically arranged in a staggered manner;

the bearing frame is provided with a driving piece which is connected with the first mounting plate and the second mounting plate and is used for enabling the first mounting plate and the second mounting plate to synchronously slide on the bearing frame.

Further: the driving part comprises a threaded rod which is rotatably arranged on the bearing frame, the threaded rod is in threaded connection with the first mounting plate and the second mounting plate, and the bearing frame is fixedly provided with a second motor for driving the threaded rod to rotate.

Further: the collecting box with the top in an opening shape is placed on the bearing frame and positioned on one side of the cutting knife away from the conveying box, and the top of the collecting box is positioned below the perforation.

Further: the bearing frame is positioned on the outer side of the cutting knife and fixedly provided with a protection plate through screws.

Further: the protection shield is located the opposite side of collecting box and cutting knife, and the guide hopper is installed at the protection shield top, and the guide hopper is along keeping away from protection shield direction downward sloping, and the guide hopper minimum is located the collecting box top.

The utility model provides a masterbatch granulating device. Compared with the prior art, the method has the following beneficial effects:

when the length of the color master batch is adjusted, the rotating speed of the rotating shaft on the bearing frame is adjusted through the stepless speed change mechanism, so that the rotating speed of the mounting shaft can be adjusted, the length of the color master batch is adjusted, the color master batch is not limited by the specification parameters of the motor when the color master batch is adjusted, the current mode of adjusting the rotating speed of the cutting knife through changing the output power of the motor is replaced, the speed regulating capability of the device is improved, and meanwhile, the purchasing cost of the device is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic perspective view of the present utility model;

FIG. 2 is a schematic view showing the mounting structure of the continuously variable transmission mechanism of the present utility model;

FIG. 3 shows a schematic view of the mounting structure of the cutting mechanism of the present utility model;

fig. 4 shows a schematic view of the installation structure of the guide roller of the present utility model;

the figure shows: 1. a carrier; 11. a rotating shaft; 12. a rotating shaft; 13. a motor; 2. a conveying mechanism; 21. a delivery box; 211. perforating; 22. a guide roller; 23. a spur gear assembly; 24. a first motor; 3. a cutting mechanism; 31. a mounting shaft; 32. a cutting knife; 4. a transmission member; 5. a continuously variable transmission mechanism; 51. a first drive plate; 511. a first tray; 512. a second tray body; 513. a first mounting plate; 52. a second drive plate; 521. a third tray body; 522. a fourth tray body; 523. a second mounting plate; 53. a transmission belt; 54. a driving member; 541. a threaded rod; 542. a second motor; 6. a collection box; 7. a protective plate; 71. and a guide hopper.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

In order to solve the technical problem in the background technology, a masterbatch grain cutting device is provided as follows:

referring to fig. 1 to 4, the masterbatch dicing device provided by the utility model comprises: a carrier 1; a conveying mechanism 2 mounted on the carrier 1 for conveying the plastic strips; the cutting mechanism 3 is installed on the carrier 1, the cutting mechanism 3 comprises an installation shaft 31 rotatably installed on the carrier 1, a cutting knife 32 is installed on one side of the installation shaft 31 and positioned on the conveying mechanism 2, wherein the cutting knife 32 is detachably installed on the installation shaft 31, the cutting knife 32 is installed on the installation shaft 31, and the cutting knife 32 is driven to rotate by utilizing the rotation of the installation shaft 31, so that the cutting mechanism belongs to the technical range of the technical personnel in the field and is not repeated herein; the bearing frame 1 is rotatably provided with a rotating shaft 11, the rotating shaft 11 is in transmission connection with the mounting shaft 31 through a transmission part 4, the transmission part 4 comprises two chain wheels which are respectively and coaxially fixedly connected with the rotating shaft 11 and the rotating shaft 12, the two chain wheels are in transmission connection through a chain, the bearing frame 1 is rotatably provided with the rotating shaft 12, and the bearing frame 1 is fixedly provided with a motor 13 for driving the rotating shaft 12 to rotate; the stepless speed change mechanism 5 is arranged on the bearing frame 1, one end of the stepless speed change mechanism 5 is connected with the rotating shaft 11, the other end of the stepless speed change mechanism 5 is connected with the rotating shaft 12, and when the rotating shaft 12 rotates on the bearing frame 1, the rotating speed of the rotating shaft 11 on the bearing frame 1 can be adjusted through the stepless speed change mechanism 5.

When the plastic strip is cut into particles, the cooled plastic strip is conveyed through the conveying mechanism 2, the rotating shaft 12 is rotated on the bearing frame 1 through the motor 13, the rotating shaft 11 is driven to rotate on the bearing frame 1 through the stepless speed change mechanism 5, the mounting shaft 31 is rotated through the transmission part 4, the cutting knife 32 is driven to rotate to cut the plastic strip, when the length of the color master batch cut particles is required to be adjusted, the rotating speed of the mounting shaft 31 can be adjusted through the stepless speed change mechanism 5 when the rotating shaft 11 is adjusted on the bearing frame 1, the length of the color master batch cut particles is adjusted, the specification parameters of the motor are not limited when the color master batch cut particles are adjusted, the existing mode of adjusting the rotating speed of the cutting knife 32 through changing the output power of the motor is replaced, the speed adjusting capability of the device is improved, and meanwhile the purchase cost of the device is reduced.

Example two

As shown in fig. 1 to 4, on the basis of the above embodiment, the present embodiment further provides the following:

in this embodiment, the conveying mechanism 2 includes a conveying box 21 fixedly installed at the top of the carrier 1, two guide rollers 22 are rotatably installed in the conveying box 21, the two guide rollers 22 are connected through a spur gear assembly 23, specifically, the spur gear assembly 23 includes two spur gears meshed with each other, the two spur gears are respectively and fixedly connected with the two guide rollers 22 coaxially, a first motor 24 for driving one of the guide rollers 22 to rotate is fixedly installed on the conveying box 21, a through hole 211 for allowing a plastic strip to pass through is formed in one side, close to the cutting knife 32, of the conveying box 21, and the cutting knife 32 is attached to the outer wall of the conveying box 21.

When the plastic strip is conveyed, the plastic strip passes through the opposite sides of the two guide rollers 22 and passes out of the through holes 211, the first motor 24 is controlled to be started to drive the two guide rollers 22 to reversely rotate, so that the two guide rollers 22 rotate towards one sides of the two guide rollers 22, which are close to each other, and along the direction of the through holes 211, and the plastic strip conveying effect can be realized.

In the present embodiment, the continuously variable transmission mechanism 5 includes:

the first transmission disc 51 and the second transmission disc 52 are coaxially connected with the rotating shaft 11, the second transmission disc 52 is coaxially connected with the rotating shaft 12, and the first transmission disc 51 and the second transmission disc 52 are in transmission connection through a transmission belt 53;

the first driving disc 51 includes a first disc 511 and a second disc 512 that are symmetrically disposed, the first disc 511 is coaxially and fixedly connected with the rotating shaft 11, a first mounting plate 513 is slidably mounted on the carrier 1 along the axial direction of the rotating shaft 11, the second disc 512 is rotatably mounted on the first mounting plate 513, and the second disc 512 movably penetrates through the rotating shaft 11 and is clamped with the rotating shaft 11;

the second driving disc 52 includes a third disc 521 and a fourth disc 522 that are symmetrically disposed, the third disc 521 is coaxially and fixedly connected with the rotating shaft 12, the bearing frame 1 is slidably mounted with a second mounting plate 523 along the axis direction of the rotating shaft 12, the fourth disc 522 is rotatably mounted on the second mounting plate 523, the fourth disc 522 movably penetrates through the rotating shaft 12 and is clamped with the rotating shaft 12, and the first disc 511 and the third disc 521 are symmetrically and dislocated;

the carrier 1 is provided with driving members 54 connected to the first mounting plate 513 and the second mounting plate 523, which are used for synchronously sliding the first mounting plate 513 and the second mounting plate 523 on the carrier 1.

When the length of the masterbatch cut particles is adjusted, the rotating shaft 11 is adjusted in rotating speed, the driving part 54 is controlled to enable the first mounting plate 513 and the second mounting plate 523 to slide on the bearing frame 1, so that the second plate 512 approaches to the first plate 511, at the moment, the fourth plate 522 moves away from the third plate 521, the driving belt 53 moves away from the first plate 51 and the second plate 52, so that the driving diameter of the second plate 52 is smaller than that of the first plate 51, the motor 13 rotates to drive the rotating shaft 12 to enable the second plate 52 to rotate, when the driving belt 53 drives the first plate 51 to rotate, the speed of the rotating shaft 11 is smaller than that of the rotating shaft 12, and the rotating speed of the mounting shaft 31 can be reduced, otherwise, the driving part 54 is controlled to enable the first mounting plate 513 and the second mounting plate to slide on the bearing frame 1, so that the second plate 512 moves away from the first plate 511, at the moment, the fourth plate 522 approaches to the third plate 521, the driving diameter of the first plate 52 is smaller than that the rotating shaft 12 is driven by the driving belt 53 to rotate, and the rotating shaft 11 is driven by the first plate 513 to rotate, and the rotating shaft 11 is changed continuously, so that the rotating speed of the rotating shaft 11 can be realized.

In this embodiment, the driving member 54 includes a threaded rod 541 rotatably mounted on the carrier 1, the threaded rod 541 is in threaded connection with both the first mounting plate 513 and the second mounting plate 523, and a second motor 542 for driving the threaded rod 541 to rotate is fixedly mounted on the carrier 1.

When in use, the second motor 542 is controlled to be turned on, the output shaft of the second motor 542 rotates to drive the threaded rod 541 to rotate, so that the first mounting plate 513 and the second mounting plate 523 can slide synchronously on the carrier 1, and the control is facilitated.

Example III

As shown in fig. 1 to 4, on the basis of the above embodiment, the present embodiment further provides the following:

in this embodiment, the collecting box 6 with an open top is disposed on the carrier 1 and on a side of the cutter 32 away from the conveying box 21, and the top of the collecting box 6 is located below the perforation 211.

By utilizing the design of the collecting box 6, when the cutting knife 32 cuts the plastic strips conveyed by the conveying mechanism 2 into color master batches, the color master batches fall under the action of gravity and can fall into the collecting box 6 to be collected, so that the color master batch collecting effect after the cutting of the color master batches is facilitated.

In this embodiment, the protection plate 7 is fixedly mounted on the carrier 1 and located outside the cutting knife 32 by screws.

The design of protection shield 7 for cutting knife 32 is located the opposite side of protection shield 7 and delivery box 21, thereby realizes isolating effect to cutting knife 32 and collecting box 6 through protection shield 7, improves the security when collecting the masterbatch processing in the collecting box 6.

In this embodiment, the protection plate 7 is located at the opposite side of the collection box 6 from the cutter 32, the guide hopper 71 is mounted on the top of the protection plate 7, the guide hopper 71 is inclined downward in a direction away from the protection plate 7, and the lowest end of the guide hopper 71 is located above the collection box 6.

Due to the design of the guide hopper 71, after the plastic strips are cut into particles by the cutter 32, the color master batch falls onto the guide hopper 71, and can be discharged into the collecting box 6 along the guide hopper 71, so that better collection of the color master batch is realized.

The working principle and the using flow of the utility model are as follows:

when the plastic strips are cut into granules:

the plastic strip passes through the opposite sides of the two guide rollers 22 and passes out of the perforation 211, the first motor 24 is controlled to be started to drive the two guide rollers 22 to reversely rotate, so that the two guide rollers 22 rotate towards one sides of the two guide rollers 22, which are close to each other, and rotate along the perforation 211 direction to convey the plastic strip; the motor 13 drives the rotating shaft 12 to rotate on the bearing frame 1 to drive the second transmission disc 52 to rotate, and the transmission belt 53 drives the first transmission disc 51 to rotate to enable the rotating shaft 11 to rotate on the bearing frame 1, so that the transmission piece 4 drives the mounting shaft 31 to rotate to enable the cutting knife 32 to rotate to carry out grain cutting operation on plastic strips;

when the length of the color master batch is adjusted, the second motor 542 is controlled to be started, the output shaft of the second motor 542 rotates to drive the threaded rod 541 to rotate, so that the first mounting plate 513 and the second mounting plate 523 can synchronously slide on the bearing frame 1, the second disc 512 is close to or far away from the first disc 511, at the moment, the fourth disc 522 is far away from or close to the third disc 521, the transmission diameter of the second transmission disc 52 and the transmission diameter of the first transmission disc 51 are adjusted, the effect of stepless speed change of the rotating speed of the rotating shaft 11 is realized, and the rotating speed adjustment of the mounting shaft 31 according to the length of the color master batch is realized, so that the color master batch with the required length is cut;

after the cutting knife 32 cuts the plastic strip into particles, the color master batch falls onto the guide hopper 71, and can be discharged into the collecting box 6 along the guide hopper 71 to be collected, so that the color master batch collecting effect after the particle cutting is convenient, the protective plate 7 isolates the cutting knife 32 from the collecting box 6, and the safety of the collecting box 6 during the color master batch collecting process is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a masterbatch grain cutting device which characterized in that: comprising the following steps:

a carrier (1);

a conveying mechanism (2) which is arranged on the bearing frame (1) and is used for conveying the plastic strips;

the cutting mechanism (3) is arranged on the bearing frame (1), the cutting mechanism (3) comprises a mounting shaft (31) rotatably arranged on the bearing frame (1), and a cutting knife (32) is arranged on the mounting shaft (31) and positioned on one side of the conveying mechanism (2); a rotating shaft (11) is rotatably arranged on the bearing frame (1), the rotating shaft (11) is in transmission connection with the mounting shaft (31) through a transmission piece (4), a rotating shaft (12) is rotatably arranged on the bearing frame (1), and a motor (13) for driving the rotating shaft (12) to rotate is fixedly arranged on the bearing frame (1);

the stepless speed change mechanism (5) is arranged on the bearing frame (1), one end of the stepless speed change mechanism (5) is connected with the rotating shaft (11), the other end of the stepless speed change mechanism is connected with the rotating shaft (12), and when the rotating shaft (12) rotates on the bearing frame (1), the rotating speed of the rotating shaft (11) on the bearing frame (1) can be adjusted through the stepless speed change mechanism (5).

2. The masterbatch dicing device according to claim 1, wherein: the conveying mechanism (2) comprises a conveying box (21) fixedly arranged at the top of the bearing frame (1), two guide rollers (22) are rotatably arranged in the conveying box (21), the two guide rollers (22) are connected through a spur gear assembly (23), a first motor (24) for driving one of the guide rollers (22) to rotate is fixedly arranged on the conveying box (21), a through hole (211) for allowing a plastic strip to pass through is formed in one side, close to the cutting knife (32), of the conveying box (21), and the cutting knife (32) is attached to the outer wall of the conveying box (21).

3. The masterbatch dicing device according to claim 1, wherein: the continuously variable transmission mechanism (5) comprises:

the first transmission disc (51) is coaxially connected with the rotating shaft (11), the second transmission disc (52) is coaxially connected with the rotating shaft (12), and the first transmission disc (51) is in transmission connection with the second transmission disc (52) through a transmission belt (53);

the first transmission disc (51) comprises a first disc body (511) and a second disc body (512) which are symmetrically arranged, the first disc body (511) is coaxially fixedly connected with the rotating shaft (11), a first mounting plate (513) is slidably mounted on the bearing frame (1) along the axis direction of the rotating shaft (11), the second disc body (512) is rotatably mounted on the first mounting plate (513), and the second disc body (512) movably penetrates through the rotating shaft (11) and is clamped with the rotating shaft (11);

the second transmission disc (52) comprises a third disc body (521) and a fourth disc body (522) which are symmetrically arranged, the third disc body (521) is coaxially fixedly connected with the rotating shaft (12), a second mounting plate (523) is slidably arranged on the bearing frame (1) along the axis direction of the rotating shaft (12), the fourth disc body (522) is rotatably arranged on the second mounting plate (523), the fourth disc body (522) movably penetrates through the rotating shaft (12) and is clamped with the rotating shaft, and the first disc body (511) and the third disc body (521) are symmetrically arranged in a staggered mode;

the bearing frame (1) is provided with an actuating piece (54) which is connected with the first mounting plate (513) and the second mounting plate (523) and is used for enabling the first mounting plate (513) and the second mounting plate (523) to synchronously slide on the bearing frame (1).

4. A masterbatch pellet dicing device according to claim 3, wherein: the driving piece (54) comprises a threaded rod (541) rotatably mounted on the bearing frame (1), the threaded rod (541) is in threaded connection with the first mounting plate (513) and the second mounting plate (523), and a second motor (542) for driving the threaded rod (541) to rotate is fixedly mounted on the bearing frame (1).

5. The masterbatch dicing device according to claim 2, wherein: the collecting box (6) with the top in an opening shape is placed on the bearing frame (1) and positioned on one side, far away from the conveying box (21), of the cutting knife (32), and the top of the collecting box (6) is positioned below the perforation (211).

6. The masterbatch dicing device according to claim 5, wherein: the bearing frame (1) is positioned outside the cutting knife (32) and fixedly provided with a protection plate (7) through screws.

7. The masterbatch dicing device according to claim 6, wherein: the protection board (7) is located the opposite side of collecting box (6) and cutting knife (32), and guide hopper (71) is installed at protection board (7) top, and guide hopper (71) are along keeping away from the downward sloping of protection board (7) direction, and guide hopper (71) extreme lower side is located collecting box (6) top.