Engineering plastic granulator

Abstract

The utility model relates to the technical field of plastic granulators, in particular to an engineering plastic granulator which comprises a hot melting conveying mechanism, a barrel cover and a pressurizing granulation disc, a rotating shaft is rotationally connected into the extrusion cylinder and driven by a motor installed at one end of the extrusion cylinder to rotate, and auger blades are arranged on the outer wall of the rotating shaft. A rotating rod is rotationally connected to the middle of the pressurizing granulation disc, a cutter is mounted at one end of the rotating rod, and a plurality of groups of granulation holes are uniformly formed in the pressurizing granulation disc. The barrel cover and the extrusion barrel are detachably arranged, so that residual materials in the barrel cover can be conveniently cleaned, and the barrel cover is prevented from being blocked by caking; through the arrangement of the limiting cover, the connecting seat and the limiting seat, the pressurization granulation disc and the barrel cover are convenient to disassemble, residual materials in granulation holes in the pressurization granulation disc are convenient to clean, blockage caused by material caking is avoided, disassembly and assembly are convenient and rapid, cleaning is more convenient and rapid, and interference to subsequent normal plastic granulation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic granulator, specifically is a kind of engineering plastic granulator. BACKGROUND

[0002] Plastic granulator is usually transported to the inside of granulator in the process of use, by heating so that plastic is in molten state, again by extrusion mechanism to the plastic in molten state is extruded through template, so that plastic can be extruded according to the hole of template, and by rotating cutter to cut plastic, so that plastic can form certain granular shape, then after water circulation cooling, granule is cooled and formed.

[0003] The Chinese patent with the authorization announcement number CN221584171U discloses an engineering plastic granulator, the engineering plastic granulator is provided with a push rod, a spring and a pushing rod, when it is needed to dredge the inlet, the push rod is driven to move horizontally by pushing the pressing handle, when the push rod moves horizontally, the pushing rod bottom vertically installed pushing rod is driven to move horizontally, the pushing rod moves in the inlet, and then the material blocked in the inlet is dredged.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: the last remaining molten plastic in the extrusion cylinder will block the granulation holes on the pressure granulation disc, which cannot be completely extruded, and it is not convenient to clean the remaining plastic, and if it is not handled in time, it will interfere with the normal granulation of the subsequent plastic, which brings inconvenience to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides an engineering plastic granulator.

[0006] The technical scheme of the utility model: an engineering plastic granulator, a hot melt conveying mechanism, one end of the extrusion cylinder on it is provided as an open end, a rotating shaft is rotatably connected in the extrusion cylinder, the rotating shaft is driven to rotate by the motor installed at one end of the extrusion cylinder, and auger blades are arranged on the outer wall of the rotating shaft; a cylinder cover is adjustably installed at the open end of the extrusion cylinder along the transverse direction of the extrusion cylinder; and a pressure granulation disc is detachably installed on the cylinder cover and away from one end of the extrusion cylinder, a rotating rod is rotatably connected in the middle of the pressure granulation disc, a cutter is installed at one end of the rotating rod, the other end of the rotating rod is inserted with the rotating shaft, and a plurality of granulation holes are uniformly arranged on the pressure granulation disc.

[0007] Preferably, the open end edge of the extrusion cylinder is provided with an annular seat, two groups of horizontal movement mechanisms are symmetrically arranged on the annular seat, and the output ends of the two groups of horizontal movement mechanisms are penetrated through the annular seat and connected with the cylinder cover.

[0008] Preferably, a groove is formed on the annular seat and faces one end of the barrel cover, a sealing seat is arranged on the barrel cover, the sealing seat is inserted with the groove, and the annular seat is connected with the barrel cover in abutment.

[0009] Preferably, a square slot is formed on the end of the rotating shaft, a plug rod is arranged on the rotating rod and away from the cutting knife, the plug rod is inserted with the square slot, and the plug rod is a square rod.

[0010] Preferably, the barrel cover comprises an abutment seat which is in abutment with the annular seat, a material guide cover which is arranged on the abutment seat and away from the annular seat, a connecting seat which is connected with one end of the material guide cover and away from the abutment seat, a first threaded portion which is arranged on the outer wall of the connecting seat, and a limiting cover which is provided with a through opening with a diameter consistent with the cross-sectional diameter of the pressure granulating disc, the limiting cover is threadedly connected with the first threaded portion, and the pressure granulating disc is detachably connected with the connecting seat through the limiting cover.

[0011] Preferably, the outer wall of the pressure granulating disc is provided with a limiting seat, the pressure granulating disc is slidably connected with the inner wall of the connecting seat, the limiting seat is in abutment with the connecting seat, the outer wall of the limiting seat is provided with a second threaded portion, the limiting cover is threadedly connected with the second threaded portion, and the edge of the through opening of the limiting cover is in abutment with the limiting seat.

[0012] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects: the horizontal moving mechanism drives the barrel cover to be adjustably moved along the transverse direction of the extruding barrel, the barrel cover is convenient to disassemble from the extruding barrel, the barrel cover inside is convenient to clean, and the barrel cover is prevented from being blocked by agglomeration; the limiting cover, the connecting seat and the limiting seat are arranged, the pressure granulating disc is convenient to disassemble from the barrel cover, the pressure granulating disc is convenient to clean, the pressure granulating disc is prevented from being blocked by agglomeration, the disassembly and assembly are convenient and fast, the cleaning is more convenient and fast, and the subsequent normal granulation of plastic is prevented from being interfered. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a barrel cover and extruding barrel connecting mode schematic view of the utility model;

[0015] Figure 3 It is a structure schematic view of A part of the utility model;

[0016] Figure 4 It is a structure schematic view of B part of the utility model.

[0017] : 1, extrusion cylinder; 101, rotating shaft; 102, square slot; 103, annular seat; 104, groove; 2, limiting cover; 201, horizontal movement mechanism; 202, abutting seat; 203, sealing seat; 204, material guide cover; 205, connecting seat; 206, slot; 3, pressure granulating disc; 301, granulating hole; 302, rotating rod; 303, cutter; 304, inserting rod; 305, positioning rod; 306, limiting seat. DETAILED DESCRIPTION

[0018] Example One

[0019] As Figures 1 to 4 shown, the utility model provides an engineering plastic granulator, including hot melt conveying mechanism, cylinder cover and pressure granulating disc 3, one end of extrusion cylinder 1 on hot melt conveying mechanism is open ended, rotating shaft 101 is rotatably connected in extrusion cylinder 1, and rotating shaft 101 is driven to rotate by motor installed at one end of extrusion cylinder 1, this is prior art, and specific structure and principle are recorded in detail in the patent with authorized announcement No.

[0020] Further, the open end edge of the extrusion cylinder 1 is provided with an annular seat 103, the annular seat 103 is a hydraulic rod, two groups of horizontal movement mechanisms 201 are symmetrically arranged on the annular seat 103, and the output ends of the two groups of horizontal movement mechanisms 201 penetrate the annular seat 103 and are connected with the cylinder cover.

[0021] Further, the annular seat 103 is provided with a groove 104 at one end facing the cylinder cover, the cylinder cover is provided with a sealing seat 203, the sealing seat 203 is inserted with the groove 104, the annular seat 103 is abutted and connected with the cylinder cover, and the connecting part of the sealing seat 203 and the groove 104 is provided with a sealing ring, so that the tightness of the connecting part is improved, and leakage of molten plastic is avoided.

[0022] Further, the end of the rotating shaft 101 is provided with a square slot 102, the rotating rod 302 is provided with a plug rod 304 at one end away from the cutter 303, the plug rod 304 is inserted into the square slot 102, the plug rod 304 is a square rod, when the plug rod 304 is inserted into the square slot 102, the rotating rod 302 can rotate synchronously with the rotating shaft 101, the rotating rod 302 and the outer wall of the pressure granulating disc 3 are both provided with indicating marks, through the correspondence of the two groups of indicating marks, the rotating rod 302 can be quickly rotated to drive the plug rod 304 to correspond to the square slot 102, so that the plug rod 304 is ready to be inserted into the square slot 102 for connection.

[0023] Further, the barrel cover comprises an abutting seat 202, a connecting seat 205 and a limiting cover 2, the abutting seat 202 abuts against the annular seat 103, the abutting seat 202 is annular, the sealing seat 203 is installed on the abutting seat 202, the abutting seat 202 is provided with a material guiding cover 204 at one end away from the annular seat 103, the connecting seat 205 is connected to one end of the material guiding cover 204 away from the abutting seat 202, the outer wall of the connecting seat 205 is provided with a first threaded part, the limiting cover 2 is provided with a through hole at one end, the diameter of the through hole is consistent with the cross-sectional diameter of the pressure granulating disc 3, the limiting cover 2 is screwed with the first threaded part, and the pressure granulating disc 3 is detachably connected with the connecting seat 205 through the limiting cover 2.

[0024] In the embodiment, the hot melt conveying mechanism is started to heat and melt the plastic and convey the plastic to the barrel cover by the rotating shaft 101 and the auger blade, when the rotating shaft 101 rotates, the rotating rod 302 is driven to rotate by the plug rod 304, and then the cutter 303 is driven to rotate, because of the special shape of the plug rod 304 and the square slot 102, when the rotating shaft 101 rotates, the rotating rod 302 can be driven to rotate, after the molten plastic is extruded and formed through the plurality of granulating holes 301 on the pressure granulating disc 3, the molten plastic is cut into particles by the rotating cutter 303, after the last batch of engineering plastic is extruded and granulated by the hot melt conveying mechanism, the two annular seats 103 are started by the controller to drive the annular seats 103 to move away from the extruding cylinder 1 along the transverse direction until the sealing seat 203 is separated from the groove 104, the residual hot melt plastic in the barrel cover can be treated, the blockage caused by the accumulation of residual material can be avoided, the cleaning is facilitated, the limiting cover 2 is rotated along the first threaded part on the connecting seat 205 until the limiting cover 2 is separated from the connecting seat 205, and then the pressure granulating disc 3 can be disassembled and cleaned.

[0025] Embodiment two

[0026] As Figure 2 and Figure 4As shown, the utility model provides a kind of engineering plastic granulator, compared to embodiment one, the outer wall of pressurized granulating disc 3 is provided with limit seat 306, pressurized granulating disc 3 is slidably connected with the inner wall of connecting seat 205, limit seat 306 is abutted with connecting seat 205, the outer wall of limit seat 306 is provided with second threaded portion, limit cover 2 is threadedly connected with second threaded portion, and the edge of the upper through opening of limit cover 2 is abutted with limit seat 306.

[0027] Further, connecting seat 205 one end is evenly provided with multiple groups of slot 206, limit seat 306 one end is evenly provided with multiple groups of positioning rod 305, positioning rod 305 is inserted with slot 206, it is convenient for limit seat 306 and connecting seat 205 fast positioning, so that first threaded portion and second threaded portion are aligned, it is convenient for the threaded connection of limit cover 2.

[0028] In the embodiment, in initial state, limit seat 306 and connecting seat 205 are abutted under the limiting action of each group of positioning rod 305 and slot 206, limit cover 2 is threadedly connected with the outer wall of limit seat 306 and connecting seat 205, and the edge of the upper through opening of limit cover 2 is abutted with limit seat 306, when needing to disassemble pressurized granulating disc 3, rotate limit cover 2 so that it is rotated along connecting seat 205 until first threaded portion on connecting seat 205 is separated, i.e. positioning rod 305 and slot 206 can be separated, then pressurized granulating disc 3 and connecting seat 205 are separated, then the plastic inside granulating hole 301 on pressurized granulating disc 3 can be cleaned, avoid material residue.

[0029] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range possessed by the person skilled in the art in the technical field to which the utility model belongs, various changes can be made on the premise of not departing from the purpose of the utility model.

Claims

1. An engineering plastic pelletizer characterized by, The utility model relates to a hot melt conveying mechanism, which comprises an extrusion cylinder (1) with an open end at one end, a rotating shaft (101) rotatably connected in the extrusion cylinder (1), the rotating shaft (101) being driven to rotate by a motor installed at one end of the extrusion cylinder (1), and a screw blade provided on the outer wall of the rotating shaft (101). A cylinder cover is adjustably installed at the open end of the extrusion cylinder (1) along the transverse direction of the extrusion cylinder (1). A pressurized granulating disc (3) is detachably installed at the end of the cylinder cover away from the extrusion cylinder (1), the pressurized granulating disc (3) being rotatably connected with a rotating rod (302) at the middle part, a cutter (303) being installed at one end of the rotating rod (302), the other end of the rotating rod (302) being inserted with the rotating shaft (101), and a plurality of groups of granulating holes (301) being uniformly provided on the pressurized granulating disc (3). An annular seat (103) is provided at the edge of the open end of the extrusion cylinder (1), two groups of horizontal moving mechanisms (201) being symmetrically provided on the annular seat (103), the output ends of the two groups of horizontal moving mechanisms (201) penetrating through the annular seat (103) and being connected with the cylinder cover.

2. The engineering plastic granulator according to claim 1, characterized in that, A groove (104) is provided on the annular seat (103) and faces the end of the cylinder cover, a sealing seat (203) being provided on the cylinder cover, the sealing seat (203) being inserted with the groove (104), and the annular seat (103) being abuttingly connected with the cylinder cover.

3. The engineering plastic granulator according to claim 2, characterized in that A square insertion slot (102) is provided at the end of the rotating shaft (101), an insertion rod (304) being installed at the end of the rotating rod (302) away from the cutter (303), the insertion rod (304) being inserted with the square insertion slot (102), and the insertion rod (304) being a square rod.

4. The engineering plastic granulator according to claim 1, characterized in that, The cylinder cover comprises 5. The engineering plastic granulator according to claim 2, characterized in that, an abutting seat (202) abutting with the annular seat (103), a material guiding cover (204) being installed at the end of the abutting seat (202) away from the annular seat (103); a connecting seat (205) connected with the end of the material guiding cover (204) away from the abutting seat (202), a first threaded part being provided on the outer wall of the connecting seat (205); and a limiting cover (2) having an opening at one end, the diameter of the opening being consistent with the cross-sectional diameter of the pressurized granulating disc (3), the limiting cover (2) being threadedly connected with the first threaded part, and the pressurized granulating disc (3) being detachably connected with the connecting seat (205) through the limiting cover (2). A limiting seat (306) is provided on the outer wall of the pressurized granulating disc (3), the pressurized granulating disc (3) being slidingly connected with the inner wall of the connecting seat (205), the limiting seat (306) abutting with the connecting seat (205), a second threaded part being provided on the outer wall of the limiting seat (306), the limiting cover (2) being threadedly connected with the second threaded part, and the edge of the opening of the limiting cover (2) abutting with the limiting seat (306).

6. The engineering plastic granulator according to claim 5, characterized in that ​

Images