Master batch pelletizing device

Abstract

The utility model discloses a master batch pelletizing device, and belongs to the technical field of pelletizing devices. The device mainly comprises a workbench; the device comprises a material pressing assembly, a grain cutting assembly, a material screening assembly and a connecting assembly, and the connecting assembly comprises a support provided with a motor; the rotating drums are provided with concave parts, through grooves are formed in the concave parts in a penetrating mode, at least two sets of sliding grooves and two sets of rotary knobs are arranged in the rotating drums, and spiral protrusions are arranged on the rotary knobs; meshing teeth are arranged on the clamping blocks, and the meshing teeth are connected with the spiral protrusions in a meshing mode; wherein a first gear and a second gear fixedly sleeve the two groups of rotary drums respectively, and the first gear and the second gear are in meshed connection. According to the master batch pelletizing device, through the arrangement of the connecting assembly, the roller cutter can be rapidly separated from the motor when the roller cutter is worn after being used for a long time and needs to be replaced, the situation that the working efficiency is affected due to long-time shutdown is avoided, and the effect of rapidly replacing the roller cutter is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a granulating device, in particular to a master batch granulating device. BACKGROUND

[0002] The master batch refers to granules prepared by mixing and kneading various additives and fillers with a small amount of carrier resin in advance for the convenience of operation in the plastic processing and molding process, and then through the processing processes of metering, mixing, melting, extruding, granulating and the like of an extruder and the like;

[0003] For example, the patent with the publication number CN213440549U specifically discloses a granulating device for degradable master batch. The device drives the driving pulley to rotate by starting the second motor, drives the roller shaft to rotate through the belt and the driven pulley, and then drives the roller cutter fixedly sleeved with the roller shaft to rotate, so as to cut the degradable plastic strip pulled by the traction assembly.

[0004] However, the above patent has the problem that the blade of the roller cutter will be worn after long-term use. When the roller cutter is disassembled and replaced, the belt and the driven pulley need to be disassembled, and then the mounting plate needs to be disassembled, so that the roller cutter and the roller shaft can be disassembled. Such disassembly method is very cumbersome, and a long time is needed to stop the machine, so that the granulating operation time of the master batch is prolonged, and the granulating efficiency is affected.

[0005] Therefore, it is necessary to provide a master batch granulating device to solve the above problems.

[0006] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background of the present application, and therefore, it can contain information which does not constitute prior art. SUMMARY

[0007] Based on the above problems existing in the prior art, the present application aims to provide a master batch granulating device which can quickly replace the roller cutter.

[0008] The technical scheme adopted by the application to solve the technical problems is: a granulating device for master batch, comprising a workbench, a material pressing assembly arranged on the workbench, a granulating assembly arranged on the material pressing assembly, a material screening assembly located below the granulating assembly, and a connecting assembly arranged on the workbench, the connecting assembly comprising a support installed on the workbench and having a motor installed thereon, two groups of rotating drums rotatably installed on the support and provided with recesses, through grooves penetrating through the recesses, and at least two groups of sliding grooves formed in the rotating drums, and two groups of knobs rotatably installed on the recesses and provided with spiral protrusions, and at least two groups of clamping blocks slidably arranged in the sliding grooves and provided with meshing teeth meshing with the spiral protrusions, wherein the first gear and the second gear are fixedly arranged on the two groups of rotating drums and meshed with each other.

[0009] Further, the material pressing assembly comprises two groups of support plates installed on the workbench, and an upper pressing roller rotatably arranged between the two groups of support plates and a lower pressing roller arranged below the upper pressing roller and rotatably installed on the two groups of support plates.

[0010] Further, the granulating assembly comprises two groups of opening grooves formed in the two groups of support plates, and two groups of bearing seats slidably arranged in the two groups of opening grooves and a roller cutter rotatably installed between the two groups of bearing seats and located on one side of the lower pressing roller and provided with a fixed cutter between the roller cutter and the lower pressing roller.

[0011] Further, a plurality of mounting holes are penetratingly arranged on the two groups of support plates, and a baffle is arranged on the support plate.

[0012] Further, the material screening assembly comprises a hopper arranged on the workbench, a second screen arranged on the hopper, the second screen being located below the material pressing assembly and the granulating assembly, a first screen arranged in the hopper in a pullable manner, and a discharge port arranged at an end of the hopper away from the first screen.

[0013] The granulating device for master batch provided by the application has the beneficial effects that: through the arrangement of the connecting assembly, when the roller cutter needs to be replaced due to wear after long-time use, the roller cutter and the motor can be quickly separated, the working efficiency is not affected by long-time shutdown, and the effect of quickly replacing the roller cutter is achieved.

[0014] In addition to the purposes, features and advantages described above, the application has other purposes, features and advantages. The application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings accompanying the specification of this application serve as further description of the application, the illustrative embodiments thereof and its specification, and are intended to explain the application without unduly limiting it. In the drawings:

[0016] Figure 1 It is a schematic diagram of the whole device for cutting granules of a master batch in the application;

[0017] Figure 2 It is a schematic diagram of the whole device for cutting granules of a master batch in the application; Figure 1 It is a schematic diagram of the whole device for cutting granules of a master batch in the application;

[0018] Figure 3 It is a schematic diagram of the whole device for cutting granules of a master batch in the application; Figure 1 It is a schematic diagram of the whole device for cutting granules of a master batch in the application;

[0019] Figure 4 It is a schematic diagram of the whole device for cutting granules of a master batch in the application; Figure 2 It is a schematic diagram of the whole device for cutting granules of a master batch in the application;

[0020] Figure 5 It is a schematic diagram of the whole device for cutting granules of a master batch in the application; Figure 4 It is a schematic diagram of the whole device for cutting granules of a master batch in the application;

[0021] Figure 6 It is a schematic diagram of the whole device for cutting granules of a master batch in the application; Figure 5 It is a schematic diagram of the whole device for cutting granules of a master batch in the application;

[0022] In the drawings, various reference signs refer to the following items:

[0023] 1, workbench;

[0024] 2, material pressing assembly; 21, support plate; 22, upper pressing roller; 23, lower pressing roller;

[0025] 3, material screening assembly; 31, hopper; 32, discharge port; 33, first screen; 34, second screen;

[0026] 4, granule cutting assembly; 41, open slot; 42, mounting hole; 43, bearing seat; 44, roller cutter; 45, baffle;

[0027] 5, connecting assembly; 51, motor; 52, bracket; 53, rotating drum; 54, first gear; 55, second gear; 56, knob; 57, clamping block; 58, recess; 59, through slot; 510, sliding slot; 511, meshing tooth. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0029] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0030] As shown in Figure 1 The present application provides a granulating device for master batch, which comprises a workbench 1, which is a support part of the granulating device and is usually placed on a flat ground. The workbench 1 is composed of multiple groups of steel frames, and a pressing assembly 2 is arranged on the workbench 1. The pressing assembly 2 is used for conveying plastic strips.

[0031] As shown in Figures 1-2 The pressing assembly 2 comprises two groups of support plates 21 fixedly installed on the workbench 1. An upper pressing roller 22 is rotatably arranged between the two groups of support plates 21. A lower pressing roller 23 is arranged below the upper pressing roller 22 and is rotatably installed on the two groups of support plates 21. The upper pressing roller 22 and the lower pressing roller 23 have a certain gap therebetween to facilitate the plastic strips to pass through.

[0032] A granulating assembly 4 is arranged on one side of the pressing assembly 2. The granulating assembly 4 is used for cutting the plastic strips that pass through the pressing assembly 2.

[0033] As shown in Figures 1-3 The granulating assembly 4 comprises two groups of opening grooves 41 opened in the two groups of support plates 21. A bearing seat 43 is slidably arranged in each of the two groups of opening grooves 41. A roller cutter 44 is rotatably installed between the two groups of bearing seats 43. When the roller cutter 44 needs to be replaced due to wear, the bearing seat 43 can be pulled out of the opening groove 41 for replacement. The roller cutter 44 is located on one side of the lower pressing roller 23.

[0034] Continuing to refer to Figure 2 A fixed cutter (not shown in the figure) is arranged between the roller cutter 44 and the lower pressing roller 23. The pressing assembly 2 conveys the plastic strips to the space between the fixed cutter and the roller cutter 44, and cuts the plastic strips through the cooperation of the roller cutter 44 and the fixed cutter. A plurality of mounting holes 42 are arranged on the two groups of support plates 21. When the bearing seat 43 is in place, screws can be screwed into the mounting holes 42 to install the bearing seat 43. The height between the bearing seat 43 and the pressing assembly 2 can be adjusted according to actual requirements, and then the height between the roller cutter 44 and the pressing assembly 2 can be adjusted to meet different granulating requirements.

[0035] Continuing to refer to Figure 1Meanwhile, the support plate 21 is provided with a baffle 45 on one side of the roller cutter 44, so as to prevent the cut materials from splashing when the roller cutter 44 is cutting the plastic strip;

[0036] Meanwhile, the workbench 1 is provided with a connecting assembly 5 for connecting the cutting assembly 4;

[0037] As shown in Figures 3-6 , the connecting assembly 5 comprises a support 52 arranged at one end of the workbench 1, and a motor 51 is fixedly installed on the support 52, and two groups of rotating drums 53 are rotatably installed on the support 52, and one end of one group of rotating drums 53 is connected with the output end of the motor 51, so that the motor 51 drives the rotating drum 53 to rotate;

[0038] It should be noted that the two groups of rotating drums 53 are the same structure, and for the convenience of description, the following will be described by taking the rotating drum 53 connected with the output end of the motor 51 as an example:

[0039] Continuing to refer to Figures 5-6 , the rotating drum 53 is provided with a recess 58, and a knob 56 is rotatably installed on the recess 58, so that the knob 56 rotates on the rotating drum 53, and the rotating drum 53 is provided with a slot (not marked in the figure) suitable for the roller cutter 44 to be inserted, and a clamping block 57 is slidably arranged in the slot, so that the clamping block 57 is close to or away from the center of the rotating drum 53, and when it is close, the roller cutter 44 inserted into the rotating drum 53 through the slot is clamped and fixed;

[0040] Continuing to refer to Figure 6 , meanwhile, a plurality of sliding grooves 510 suitable for the sliding of the clamping block 57 are arranged in the rotating drum 53, the sliding grooves 510 pass through the recess 58, and a through groove 59 is arranged on the recess 58, and a plurality of engagement teeth 511 are arranged on the clamping block 57, part of the engagement teeth 511 is exposed from the through groove 59 and engages with the spiral protrusion of the knob 56;

[0041] When one end of the roller cutter 44 is inserted into the slot, the knob 56 rotates, and the spiral protrusion drives the engagement teeth 511 to move along the spiral direction, and then drives the clamping block 57 to move linearly in the sliding groove 510, so as to drive the clamping block 57 to be close to the center of the rotating drum 53 to clamp the roller cutter 44, so as to facilitate the motor 51 to drive the roller cutter 44 to rotate through the rotating drum 53, and when disassembling, the knob 56 is reversely rotated until the clamping block 57 is loosened to clamp the roller cutter 44, and then the roller cutter 44 can be disassembled;

[0042] Continuing to refer to Figure 4It should be noted that the other group of rotating drum 53 is used to connect with the lower pressing roller 23, and the first gear 54 and the second gear 55 are respectively fixed on the two groups of rotating drum 53, and the first gear 54 and the second gear 55 are engaged to drive one group of rotating drum 53 to rotate when the motor 51 drives the rotating knife 44 to rotate, and the other group of rotating drum 53 is driven to rotate through the cooperation of the first gear 54 and the second gear 55, thereby driving the lower pressing roller 23 to rotate, so as to transport the plastic strip by the pressing assembly 2, until the plastic strip moves between the fixed knife and the rotating knife 44, and the plastic strip is cut by the rotating knife 44.

[0043] Meanwhile, the workbench 1 is provided with a screening assembly 3, which is used for screening the cut material;

[0044] As shown in Figure 1 , the screening assembly 3 includes a hopper 31 arranged on the workbench 1, and a second screen 34 is arranged above the hopper 31, which is located below the pressing assembly 2 and the cutting assembly 4, and a first screen 33 is arranged inside the hopper 31, which is located below the second screen 34, so as to perform multi-stage filtering on the material after cutting, and a discharge port 32 is arranged at one end of the hopper 31 away from the first screen 33, so as to flow out the filtered material, it should be noted that the discharge port 32 is generally provided with a collection box (not shown in the figure) to collect the material.

[0045] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pelletizing device for masterbatch, characterized in that: include: Workbench (1); A pressing assembly (2) is disposed on the worktable (1); A pelletizing assembly (4) is disposed on the pressing assembly (2); A screening assembly (3) is located below the pelletizing assembly (4); A connecting component (5), which is disposed on the worktable (1), includes: A bracket (52) is mounted on the workbench (1), and a motor (51) is mounted on the bracket (52); Two sets of rotating cylinders (53) are rotatably mounted on the bracket (52). The rotating cylinder (53) is provided with a recess (58), and a through groove (59) is provided through the recess (58). At least two sets of sliding grooves (510) are opened inside the rotating cylinder (53). Two sets of knobs (56) are rotatably mounted on the recess (58), and the knobs (56) are provided with spiral protrusions; At least two sets of clamping blocks (57) are provided, the clamping blocks (57) are slidably disposed inside the slide groove (510), and the clamping blocks (57) are provided with meshing teeth (511), the meshing teeth (511) and the spiral protrusion are meshed and connected; Among them: a first gear (54) and a second gear (55) are respectively fixedly sleeved on the two sets of rotating drums (53), and the first gear (54) and the second gear (55) are meshed and connected; When the knob (56) is turned, the spiral protrusion drives the meshing teeth (511) to move along its spiral direction, and then drives the clamping block (57) to move linearly in the slide groove (510) through the meshing teeth (511), thereby driving the clamping block (57) to approach the center of the rotating cylinder (53).

2. The pelletizing device for masterbatch according to claim 1, characterized in that: The pressing assembly (2) includes two sets of support plates (21) installed on the workbench (1). An upper pressure roller (22) is rotatably arranged between the two sets of support plates (21). A lower pressure roller (23) is arranged below the upper pressure roller (22). The lower pressure roller (23) is rotatably installed on the two sets of support plates (21).

3. The pelletizing device for masterbatch according to claim 2, characterized in that: The pelletizing assembly (4) includes opening slots (41) formed on two sets of support plates (21). Each set of opening slots (41) is slidably provided with a bearing seat (43). A roller cutter (44) is rotatably mounted between the two sets of bearing seats (43). The roller cutter (44) is located on one side of the lower pressure roller (23). A fixed cutter is provided between the roller cutter (44) and the lower pressure roller (23).

4. A pelletizing device for masterbatch according to claim 3, characterized in that: Both sets of support plates (21) are provided with multiple sets of mounting holes (42), and the support plates (21) are provided with baffles (45).

5. A pelletizing device for masterbatch according to claim 1, characterized in that: The screening assembly (3) includes a funnel (31) disposed on the workbench (1), a second screen (34) disposed on the funnel (31), the second screen (34) being located below the pressing assembly (2) and the pelletizing assembly (4), a pull-out first screen (33) disposed inside the funnel (31), and a discharge port (32) disposed at the end of the funnel (31) away from the first screen (33).

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