Color master batch processing equipment

Abstract

The utility model discloses color master batch processing equipment, which relates to the field of color master batch production and comprises a material distributing plate, a cover plate, a central shaft, a shaft sleeve, a cutting knife, a fixed shaft and a limiting ring, the limiting ring and the shaft sleeve are coaxially arranged between the cover plate and the material distributing plate, the central shaft sequentially penetrates through the material distributing plate, the shaft sleeve and the cover plate along a straight line, and the shaft sleeve is in clearance fit with the central shaft. The fixing shafts and the cutting knives are arranged around the shaft sleeve in an array mode, one ends of the fixing shafts are fixed to the shaft sleeve, the other ends of the fixing shafts abut against the cover plate, the cutting knives are arranged between the shaft sleeve and the limiting ring and rotationally connected with the fixing shafts in a one-to-one correspondence mode through one-way bearings, and cutting blades are symmetrically arranged at the two ends of each cutting knife. When disassembly and cleaning are needed, all parts can be pulled out in sequence only by disassembling the cover plate, and disassembly is convenient. Meanwhile, four cutting blades are distributed on the cutting knife, other blades can be used by rotating the cutting knife during maintenance, and the maintenance interval is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of masterbatch production, in particular to a masterbatch processing device. Background Art

[0002] Masterbatches are a mixture of resin and pigment. They can be used to produce plastic products. Generally, the production steps of masterbatches include grinding, mixing, and extrusion pelletizing. After being extruded through a twin-screw extruder, the masterbatch reaches a very high temperature and requires water cooling. The masterbatch strands need to be sufficiently cooled before pelletizing. However, the existing technology uses roller-type cutters, with a circular array of cutters mounted on the roller. During pelletizing, the cutter continuously rotates, cutting the strands. After long-term use, the cutter needs to be disassembled to inspect for wear and clean it. Disassembly requires rotating the roller while removing the screws that secure the cutter. This makes disassembly and maintenance of the cutter inconvenient and difficult to clean.

[0003] Therefore, the utility model provides a masterbatch processing device to solve the problem that the cutter needs frequent maintenance and is difficult to disassemble. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a masterbatch processing equipment, comprising: a dividing plate, a cover plate, a central shaft, a sleeve, a cutting knife, a fixed shaft and a limiting ring, a circular groove is concavely provided at the center position of one end of the cover plate, the dividing plate sleeve is arranged inside the circular groove, the limiting ring and the sleeve are coaxially arranged between the groove bottom of the circular groove and the dividing plate, the sleeve is sleeved inside the limiting ring, the central shaft passes through the dividing plate, the sleeve and the cover plate in a straight line in sequence, the sleeve and the central shaft are clearance-matched, the fixed shaft The fixed shaft and the cutting knife are both arranged around the sleeve array, one end of the fixed shaft is threadedly connected to the sleeve, and the other end of the fixed shaft is in contact with the cover plate. The cutting knife is arranged between the sleeve and the limiting ring, and the cutting knife and the fixed shaft are rotatably connected one by one through a one-way bearing. Cutting blades are symmetrically provided at both ends of the cutting knife, and the extension direction of the cutting blades is parallel to the center line of the fixed shaft. The annular array of the dividing plate is provided with a number of through holes for the masterbatch strips to pass through, and the center lines of the through holes are parallel to the center line of the central axis.

[0005] Preferably, an annular step groove is provided at one end of the circular groove close to the dividing plate, the outer diameter of the step groove is larger than the diameter of the circular groove, the inner diameter of the step groove is equal to the diameter of the circular groove, and the dividing plate and the limiting ring are both arranged inside the step groove.

[0006] Preferably, one end of the central shaft is threadedly connected to a nut, one end of the central shaft is provided with an external thread matching the nut, and the cover plate is clamped between the nut and the dividing plate.

[0007] Preferably, the cutting knife includes a roller, an upper cutter and a lower cutter, and the upper cutter, roller and lower cutter are connected in sequence along the penetration direction of the masterbatch strip, and the cutting blades are symmetrically arranged at the end of the upper cutter and the lower cutter away from the roller, and the extension direction of the cutting blades is parallel to the center line of the fixed axis.

[0008] Preferably, the end surfaces of the upper cutter and the lower cutter away from the roller are parallel to the plane where the dividing plate is located.

[0009] Preferably, it further includes a roller, which is rotatably arranged on a fixed shaft, and has a clearance fit with the fixed shaft, and one end of the roller is in contact with the annular surface of the limiting ring away from the dividing plate.

[0010] Preferably, both ends of the sleeve are respectively abutted against the dividing plate and the bottom of the circular groove, and the projection of the roller along the axis of the fixed shaft is included in the surface of the sleeve.

[0011] Preferably, the cover plate has a first discharge trough at the lower end thereof, which is in communication with the circular groove, and the retaining ring has a second discharge trough at the lower end thereof, and the first discharge trough and the second discharge trough are in communication with each other. When in use, when the dividing plate and the cover plate are arranged horizontally, the masterbatch produced by cutting is discharged from the first discharge trough and the second discharge trough.

[0012] Preferably, a third discharge chute is provided at the center of the cover plate, with the central axis and the third discharge chute having a clearance fit therebetween. The clearance between the central axis and the third discharge chute is greater than the particle size of the masterbatch. During use, when the distributor plate and the cover plate are arranged vertically along the direction of gravity, the masterbatch produced by cutting is discharged through the third discharge chute located at the center of the cover plate.

[0013] Preferably, it further comprises a cooling barrel, wherein the cooling barrel, the material dividing plate and the cover plate are detachably connected in sequence along a straight line.

[0014] Preferably, the central shaft is a hollow shaft, a central hole is provided at the center of the central shaft, and a plurality of ejection holes connected to the central hole are evenly provided on the circumferential surface of the central shaft.

[0015] The working principle of the utility model is as follows: After removing the nut, the cover plate is moved to separate it from the dividing plate. The shaft sleeve is moved a certain distance along the central axis. Since the cutter has four cutting edges, after rotating the cutter 180 degrees, one of the cutting edges at the other end of the cutter will be used for cutting. The cutter is turned around and re-sleeved on the fixed shaft, and the two outer cutting edges will be used to cut the material strip. The distance from the dividing plate is increased to meet the space requirements for the cutter's rotation. The cutter is clamped by a one-way bearing to prevent the cutter from being pushed by the material strip during cutting, causing the cutter to rotate.

[0016] After moving the sleeve along the center axis to completely disengage it, the cutter and roller can be moved along the fixed axis to remove the roller and cutter in sequence, completing the disassembly. For cleaning, simply remove the nut securing the cover plate and then directly remove the cover plate, sleeve, roller, and cutter, facilitating disassembly and maintenance. Because each component is installed with a clearance fit, it can be removed manually.

[0017] The beneficial effect of the utility model is that when disassembly and cleaning is required, the cover plate can be removed and each component can be pulled out in sequence, which is convenient for disassembly. At the same time, the cutter is provided with four cutting edges. When maintenance is performed, the cutter can be rotated to use other cutting edges, thereby extending the maintenance interval. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings further illustrate the present invention, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0019] Figure 1 A schematic structural diagram of a masterbatch processing device provided in one embodiment of the present invention;

[0020] Figure 2 A schematic structural diagram of a cutting knife provided in one embodiment of the present utility model;

[0021] Figure 3 A schematic structural diagram of a cover plate provided in one embodiment of the present utility model;

[0022] Figure 4 This is a schematic structural diagram of a shaft sleeve provided in one embodiment of the present utility model.

[0023] Figure numerals: 1: dividing plate; 2: center shaft; 3: sleeve; 4: fixed shaft; 5: cutting knife; 6: limiting ring; 7: roller; 8: cover plate; 51: cutting blade; 52: one-way bearing. DETAILED DESCRIPTION

[0024] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0025] It should be noted that in this utility model, unless otherwise stated, when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. "Inside" and "outside" refer to the inside and outside of a specific outline. "Far" and "near" refer to the far and near relative to a certain component.

[0026] In one embodiment, if Figures 1-4 As shown in , a masterbatch processing equipment provided in this embodiment includes: a dividing plate 1, a cover plate 8, a central shaft 2, a sleeve 3, a cutting knife 5, a fixed shaft 4 and a limiting ring 6. A circular groove is recessed at the center position of one end of the cover plate 8, the dividing plate 1 is sleeved inside the circular groove, the limiting ring 6 and the sleeve 3 are coaxially arranged between the bottom of the circular groove and the dividing plate 1, the sleeve 3 is sleeved inside the limiting ring 6, the central shaft 2 passes through the dividing plate 1, the sleeve 3 and the cover plate 8 in a straight line in sequence, the sleeve 3 is clearance-matched with the central shaft 2, the fixed shaft 4 and the cutting knife 5 are arranged in an array around the sleeve 3, one end of the fixed shaft 4 is threaded and fixed to the sleeve 3, and the other end of the fixed shaft 4 is in contact with the cover plate 8. The cutting knife 5 is arranged between the sleeve 3 and the limiting ring 6, and the cutting knife 5 and the fixed shaft 4 are rotatably connected one by one through a one-way bearing 52. Cutting edges 51 are symmetrically provided at both ends of the cutting knife 5, and the extending direction of the cutting edge 51 is parallel to the center line of the fixed shaft 4. The annular array of the dividing plate 1 is provided with a number of through holes for the masterbatch strips to pass through, and the center lines of the through holes are parallel to the center line of the central axis 2.

[0027] The circular groove is provided with an annular step groove at one end close to the dividing plate 1. The outer diameter of the step groove is larger than the diameter of the circular groove, and the inner diameter of the step groove is equal to the diameter of the circular groove. The dividing plate 1 and the limiting ring 6 are both arranged inside the step groove.

[0028] One end of the central shaft 2 is threadedly connected to a nut, and one end of the central shaft 2 is provided with an external thread that matches the nut. The cover plate 8 is clamped between the nut and the dividing plate 1.

[0029] The cutting knife 5 includes a roller, an upper cutter and a lower cutter. The upper cutter, roller and lower cutter are connected in sequence along the penetration direction of the masterbatch strip. The cutting blade 51 is symmetrically arranged at the end of the upper cutter and the lower cutter away from the roller. The extension direction of the cutting blade 51 is parallel to the center line of the fixed shaft 4.

[0030] The end surfaces of the upper cutter and the lower cutter away from the roller are parallel to the plane where the dividing plate 1 is located.

[0031] The roller 7 is also included. The roller 7 is rotatably arranged on the fixed shaft 4. The roller 7 is clearance-matched with the fixed shaft 4. One end of the roller 7 contacts the annular surface of the limiting ring 6 away from the dividing plate 1.

[0032] The two ends of the shaft sleeve 3 are respectively abutted against the dividing plate 1 and the bottom of the circular groove, and the projection of the roller 7 along the axis of the fixed shaft 4 is included in the surface of the shaft sleeve 3.

[0033] The lower end of the cover plate 8 is provided with a first discharge trough connected to the circular groove, and the lower end of the limiting ring 6 is provided with a second discharge trough, and the first and second discharge troughs are connected to each other. During use, when the dividing plate 1 and the cover plate 8 are arranged horizontally, the masterbatch produced by cutting is discharged from the first and second discharge troughs.

[0034] The central shaft 2 is a hollow shaft. A central hole is provided at the center of the central shaft 2 . A plurality of ejection holes connected to the central hole are evenly provided on the circumferential surface of the central shaft 2 .

[0035] In one embodiment, this embodiment differs from the above-described embodiment in that a third discharge chute is provided at the center of the cover plate 8, with the central axis 2 providing a clearance fit between the third discharge chute. The clearance between the central axis 2 and the third discharge chute is greater than the particle size of the masterbatch. During use, when the distributor plate 1 and the cover plate 8 are arranged vertically in the direction of gravity, the masterbatch produced by cutting is discharged through the third discharge chute located at the center of the cover plate 8.

[0036] In one embodiment, this embodiment differs from the above-described embodiment in that the masterbatch processing equipment of this embodiment further comprises a cooling barrel, wherein the cooling barrel, the distributor plate 1, and the cover plate 8 are detachably connected in sequence along a straight line. The central shaft 2 is a hollow shaft having a central hole at its center, and a plurality of ejection holes uniformly formed on the circumference of the central shaft 2 and connected to the central hole.

[0037] The technical features of the above-described embodiments may be combined in any manner. To simplify the description, not all possible combinations of the technical features in the above-described embodiments are described. It should be noted that a person skilled in the art may make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements should be considered within the scope of this specification.

Claims

1. A masterbatch processing equipment, characterized by: include: The center axis is passed through the dividing plate, the bushing is fixed on the center axis, and the bushing is loosely connected with the center axis, and the fixing shaft and the fixing shaft are fixed on the center axis.

2. The masterbatch processing equipment according to claim 1, characterized in that: The circular groove is provided with an annular step groove at one end close to the dividing plate. The outer diameter of the step groove is larger than the diameter of the circular groove, and the inner diameter of the step groove is equal to the diameter of the circular groove. The dividing plate and the limiting ring are both arranged inside the step groove.

3. The masterbatch processing equipment according to claim 2, characterized in that: One end of the central shaft is threadedly connected with a nut, and one end of the central shaft is provided with an external thread matched with the nut, and the cover plate is clamped between the nut and the dividing plate.

4. The masterbatch processing equipment according to claim 1, characterized in that: The cutting knife includes a roller, an upper cutter and a lower cutter. The upper cutter, roller and lower cutter are connected in sequence along the penetration direction of the masterbatch strip. The cutting blades are symmetrically arranged at one end of the upper cutter and the lower cutter away from the roller.

5. The masterbatch processing equipment according to claim 4, characterized in that: The end surfaces of the upper cutting knife and the lower cutting knife away from the roller are parallel to the plane where the material dividing plate is located.

6. The masterbatch processing equipment according to claim 1, characterized in that: It also includes a roller, which is rotatably arranged on a fixed shaft, and has a clearance fit with the fixed shaft. One end of the roller contacts the annular surface of the limiting ring away from the dividing plate.

7. The masterbatch processing equipment according to claim 6, characterized in that: The two ends of the shaft sleeve are respectively abutted against the dividing plate and the bottom of the circular groove, and the projection of the roller along the axis of the fixed shaft is included in the surface of the shaft sleeve.

8. The masterbatch processing equipment according to claim 1, characterized in that: The lower end of the cover plate is provided with a first discharge trough connected with the circular groove, and the lower end of the limiting ring is provided with a second discharge trough, and the first discharge trough and the second discharge trough are connected to form.

9. The masterbatch processing equipment according to claim 1, characterized in that: It also includes a cooling barrel, and the cooling barrel, the material dividing plate and the cover plate are detachably connected in sequence along a straight line.

10. The masterbatch processing equipment according to claim 9, characterized in that: The central shaft is a hollow shaft, a central hole is provided at the center of the central shaft, and a plurality of ejection holes connected with the central hole are evenly provided on the circumferential surface of the central shaft.

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