PVC material hot cutting granulation equipment

Abstract

The utility model provides PVC (polyvinyl chloride) material hot-cutting granulation equipment, which belongs to the technical field of PVC granulators and comprises a processing shell, an extrusion plate is slidably connected in the processing shell, and a plurality of extrusion holes are formed in the lower end of the processing shell; the lower pressing rod is fixedly connected to the upper end of the extrusion plate; the lead screw nut is fixedly connected to one end of the lower pressing rod; the lead screw is in threaded connection with the lead screw nut, and the driving gear is fixedly connected to the lower end of the lead screw; the gear ring is rotationally arranged on the lower side of the machining shell, the gear ring is intermittently meshed with the driving gear, rotation of the lead screw is converted into linear motion through the lead screw nut, the pressing rod is driven to push the extrusion plate to press downwards, and the materials are continuously extruded out of the extrusion hole; when the driving gear at the tail end of the lead screw is meshed with the gear ring, the gear ring drives the cutter to rotate at a high speed, the cutting action is completely matched with the extrusion rate, and it is ensured that materials are cut immediately after being extruded and particles are uniform in size.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PVC granulator technical field, concretely relates to a PVC material hot cutting granulation equipment. BACKGROUND

[0002] PVC granulator is the equipment for granulation, and the main working mode of the PVC granulator is wet granulation of granulation, a certain amount of water or steam is used to make the base waste material fully chemically react after being humidified in the cylinder, and under certain liquid phase conditions, the rotation of the cylinder is used to make the material particles generate extrusion force and gather into balls.

[0003] PVC (polyvinyl chloride) is a widely used thermoplastic material, and its granulation process is a key link in the production process. The traditional PVC granulation equipment adopts the combination of mechanical extrusion and rotary cutting, but in actual application, the synchronization of the cutting knife and the extrusion hole is poor, which leads to the problem of uneven particle size. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a PVC material hot cutting granulation equipment, and aims at solving the problems mentioned in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A PVC material hot cutting granulation equipment, comprising:

[0007] A processing shell, a plurality of extrusion holes are formed in the lower end of the processing shell, and an extrusion plate is slidably connected in the processing shell;

[0008] A lower pressing rod is fixedly connected to the upper end of the extrusion plate;

[0009] A lead screw nut is fixedly connected to one end of the lower pressing rod;

[0010] A lead screw is threadedly connected with the lead screw nut;

[0011] A driving gear is fixedly connected to the lower end of the lead screw;

[0012] A gear ring is rotatably arranged on the lower side of the processing shell, and the gear ring is intermittently engaged with the driving gear; and

[0013] A plurality of cutting knives are fixedly connected to the circumferential inner wall of the gear ring.

[0014] As a preferred scheme of the utility model, the circumferential surface of the processing shell is fixedly connected with a supporting plate, the lower end of the supporting plate is fixedly connected with a plurality of supporting rods, and the lower end of the plurality of supporting rods is fixedly connected with a mounting plate.

[0015] As a preferred scheme of the utility model, one end of the mounting plate is fixedly connected with a fixed rod, one end of the fixed rod is fixedly connected with a fixed plate, the screw rod is rotatably connected to the lower end of the fixed plate, the upper end of the fixed plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with the screw rod.

[0016] As a preferred scheme of the utility model, the circumferential surface of the fixed plate is fixedly connected with a limiting block, the lower end of the limiting block is fixedly connected with a limiting rod, the upper end of the screw rod nut is provided with a limiting hole, and the screw rod nut is slidably connected to the circumferential surface of the limiting rod through the limiting hole.

[0017] As a preferred scheme of the utility model, the circumferential surface of the processing shell is fixedly connected with a connecting pipe, and the lower end of the limiting rod is fixedly connected with an anti-falling block.

[0018] As a preferred scheme of the utility model, the upper end of the gear ring is provided with a rotating groove, the circumferential inner wall of the rotating groove is provided with a hanging groove, the lower end of the processing shell is fixedly connected with a plurality of rotating rods, the plurality of rotating rods are slidably connected in the rotating groove, the circumferential surface of the plurality of rotating rods is fixedly connected with a plurality of hanging plates, and the plurality of hanging plates are slidably connected in the hanging groove.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] 1、In the scheme, the rotation of the screw rod is converted into linear motion through the screw rod nut, the lower pressing rod is driven to push the extrusion plate to press down, so that the material is continuously extruded from the extrusion hole; when the screw rod end driving gear is engaged with the gear ring, the gear ring drives the cutting knife to rotate at high speed, the cutting action is completely matched with the extrusion rate, the material is immediately cut after being extruded, and the particle size is uniform.

[0021] 2、In the scheme, the sliding cooperation of the screw rod nut and the limiting rod is adopted, the complex structure of the traditional hydraulic or pneumatic system is avoided, the failure rate is reduced, the limiting rod is prevented from falling off through the anti-falling block, and the operation stability is improved. DRAWINGS

[0022] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0023] Figure 1 It is the front view of the utility model in the body diagram;

[0024] Figure 2 It is the main cross-sectional view of the utility model in the body diagram;

[0025] Figure 3The side view in the utility model.

[0026] In the figure: 1, mounting plate; 2, support rod; 3, support plate; 4, connecting pipe; 5, fixed rod; 6, limiting block; 7, motor; 8, fixed plate; 9, limiting rod; 10, screw nut; 11, screw rod; 12, driving gear; 13, extrusion plate; 14, pressing rod; 15, extrusion hole; 16, gear ring; 17, cutting knife; 18, processing shell; 19, anti-off block; 20, rotating rod; 21, hanging plate; 22, rotating groove; 23, hanging groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment 1

[0029] Please refer to Figures 1-3 The utility model provides the following technical schemes:

[0030] A PVC material hot cutting granulation equipment, comprising:

[0031] The processing shell 18 is slidably connected with the extrusion plate 13 in the processing shell 18, and a plurality of extrusion holes 15 are formed in the lower end of the processing shell 18;

[0032] The lower end of the extrusion plate 13 is fixedly connected with the pressing rod 14;

[0033] The screw nut 10 is fixedly connected to one end of the pressing rod 14;

[0034] The screw rod 11 is threadedly connected with the screw nut 10;

[0035] The driving gear 12 is fixedly connected to the lower end of the screw rod 11;

[0036] The gear ring 16 is rotatably arranged on the lower side of the processing shell 18, and the gear ring 16 is intermittently engaged with the driving gear 12; and

[0037] A plurality of cutting knives 17 are fixedly connected to the circumferential inner wall of the gear ring 16.

[0038] In the embodiment of the utility model, after starting motor 7, screw rod 11 rotates and drives screw nut 10 to move down along limiting rod 9, drives down pressure rod 14 to push extrusion plate 13 to slide in processing shell 18, extrudes molten PVC material from extrusion hole 15, when screw rod 11 rotates, its terminal driving gear 12 engages with gear ring 16, drives gear ring 16 to rotate around processing shell 18, cutting knife 17 fixed on the inner wall of gear ring 16 immediately carries out high speed cutting to extruded strip material, forms uniform granule, after cutting is completed, motor 7 reverses, screw rod 11 drives extrusion plate 13 to reset, completes a granulation cycle.

[0039] Specifically, please refer to Figure 2 The circumferential surface of the processing shell 18 is fixedly connected with a support plate 3, and the lower end of the support plate 3 is fixedly connected with a plurality of support rods 2, and the lower ends of the plurality of support rods 2 are fixedly connected with a mounting plate 1.

[0040] In this embodiment, the device can be supported and stabilized by the support plate 3 and the plurality of support rods 2, and the support stability of the device can be further improved by the mounting plate 1.

[0041] Specifically, please refer to Figure 2 One end of the mounting plate 1 is fixedly connected with a fixed rod 5, one end of the fixed rod 5 is fixedly connected with a fixed plate 8, the screw rod 11 is rotatably connected to the lower end of the fixed plate 8, the upper end of the fixed plate 8 is fixedly connected with the motor 7, and the output end of the motor 7 is fixedly connected with the screw rod 11.

[0042] In this embodiment, the fixed plate 8 and the motor 7 can be supported and installed by the fixed rod 5, and the rotation convenience of the screw rod 11 can be improved by the motor 7.

[0043] Specifically, please refer to Figure 3 The circumferential surface of the fixed plate 8 is fixedly connected with a limiting block 6, the lower end of the limiting block 6 is fixedly connected with a limiting rod 9, the upper end of the screw nut 10 is provided with a limiting hole, and the screw nut 10 is slidably connected to the circumferential surface of the limiting rod 9 through the limiting hole, the circumferential surface of the processing shell 18 is fixedly connected with a connecting pipe 4, and the lower end of the limiting rod 9 is fixedly connected with an anti-dropping block 19.

[0044] In this embodiment, when the screw nut 10 moves, it can slide on the circumferential surface of the limiting rod 9 through the limiting hole, the PVC material can be injected into the processing shell 18 through the connecting pipe 4, and the damage caused by excessive movement of the screw nut 10 can be prevented by the anti-dropping block 19.

[0045] Specifically, please refer to Figure 1The upper end of the gear ring 16 is provided with a rotating groove 22, and the circumferential inner wall of the rotating groove 22 is provided with a hanging groove 23.

[0046] In the embodiment, when the gear ring 16 rotates at the lower side of the processing shell 18, the rotating groove 22 and the hanging groove 23 rotate on the outer surfaces of the plurality of rotating rods 20 and the plurality of hanging plates 21, thereby improving the rotating stability of the gear ring 16.

[0047] The working principle and use process of the utility model are as follows:

[0048] After the motor 7 is started, the screw rod 11 rotates to drive the screw nut 10 to move downward along the limiting rod 9, drives the lower pressing rod 14 to push the extrusion plate 13 to slide in the processing shell 18, extrudes the molten PVC material from the extrusion hole 15, when the screw rod 11 rotates, the driving gear 12 at the end thereof engages with the gear ring 16, drives the gear ring 16 to rotate around the processing shell 18, and the cutting knife 17 fixed to the inner wall of the gear ring 16 immediately cuts the extruded strip-shaped material at high speed, forms uniform particles, after cutting is completed, the motor 7 reverses, the screw rod 11 drives the extrusion plate 13 to reset, and a granulation cycle is completed.

[0049] Finally, it should be noted that: the above only for preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A PVC material hot-cutting and granulation device, characterized in that, include: A processing shell (18) is provided, in which an extrusion plate (13) is slidably connected, and a plurality of extrusion holes (15) are provided at the lower end of the processing shell (18). A pressure rod (14) is fixedly connected to the upper end of the extrusion plate (13); A lead screw nut (10) is fixedly connected to one end of a lower pressure rod (14); A lead screw (11) is threadedly connected to a lead screw nut (10); A drive gear (12) is fixedly connected to the lower end of a lead screw (11); A gear ring (16) is rotatably disposed on the lower side of the machining housing (18), and the gear ring (16) intermittently meshes with the drive gear (12); and Multiple cutting blades (17) are fixedly connected to the inner circumference of the gear ring (16).

2. The PVC material hot-cutting granulation equipment according to claim 1, characterized in that, A support plate (3) is fixedly connected to the circumferential surface of the processing shell (18), and a plurality of support rods (2) are fixedly connected to the lower end of the support plate (3). A mounting plate (1) is fixedly connected to the lower end of the plurality of support rods (2).

3. The PVC material hot-cutting granulation equipment according to claim 2, characterized in that, One end of the mounting plate (1) is fixedly connected to a fixing rod (5), and one end of the fixing rod (5) is fixedly connected to a fixing plate (8). The lead screw (11) is rotatably connected to the lower end of the fixing plate (8), and the upper end of the fixing plate (8) is fixedly connected to a motor (7). The output end of the motor (7) is fixedly connected to the lead screw (11).

4. The PVC material hot-cutting and granulation equipment according to claim 3, characterized in that, A limiting block (6) is fixedly connected to the circumferential surface of the fixing plate (8). A limiting rod (9) is fixedly connected to the lower end of the limiting block (6). A limiting hole is opened at the upper end of the lead screw nut (10), and the lead screw nut (10) is slidably connected to the circumferential surface of the limiting rod (9) through the limiting hole.

5. The PVC material hot-cutting granulation equipment according to claim 4, characterized in that, A connecting pipe (4) is fixedly connected to the circumferential surface of the processing shell (18), and an anti-detachment block (19) is fixedly connected to the lower end of the limiting rod (9).

6. The PVC material hot-cutting granulation equipment according to claim 5, characterized in that, The upper end of the gear ring (16) is provided with a rotating groove (22), and the inner circumferential wall of the rotating groove (22) is provided with a hanging groove (23). The lower end of the processing shell (18) is fixedly connected with a plurality of rotating rods (20), and the plurality of rotating rods (20) are slidably connected in the rotating groove (22). The circumferential surfaces of the plurality of rotating rods (20) are fixedly connected with hanging plates (21), and the plurality of hanging plates (21) are slidably connected in the hanging groove (23).

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