Particle cutting device convenient to use and used for polyethylene particle production

Abstract

The utility model relates to the technical field of plastic particle production, in particular to a polyethylene particle production pelletizing device convenient to use, which comprises a workbench, a support frame is fixedly connected to the right end face of the workbench, and a threaded rod is rotatably connected between the upper end face and the lower end face in the support frame. A servo motor with the output end fixedly connected with the threaded rod is installed on the upper end face of the supporting frame, a sliding frame is connected to the outer wall of the threaded rod in a threaded mode, a plurality of cutting mechanisms are arranged in the sliding frame, and each cutting mechanism comprises a first roller shaft and a second roller shaft which are rotationally connected to the interior of the sliding frame through a first rotating shaft; through cooperation of the servo motor, the threaded rod, the sliding rod, the sliding frame, a first driving motor, a spline shaft, a sleeve, a first bevel gear, a second bevel gear, a first rotating shaft and a first gear, polyethylene thin strips can be cut into particles of different lengths, adjustment is easy, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic particle production, and specifically discloses a pelletizing device for polyethylene particle production convenient to use. BACKGROUND

[0002] Polyethylene has excellent low-temperature resistance, can resist corrosion of most acids and alkalis, has low water absorption and high electrical insulation. Polyethylene can be molded by extrusion, injection, molding, blow molding and melt spinning, and is widely used in films, sheets, coatings, preservative films, containers, sewage pipelines, water pipelines and the insulation and sheath of wires and cables.

[0003] Polyethylene particles are made by cutting after melting, extruding and cooling. During cutting, a pelletizer is generally used to complete the cutting. The pelletizer needs to pull the cooled polyethylene strips and then rotate or move the blades driven by a motor to cut the polyethylene strips. The existing pelletizer is not convenient for cutting the polyethylene strips into particles of different lengths, and the use effect is not good. Therefore, a pelletizing device for polyethylene particle production convenient to use is needed to solve this problem. SUMMARY

[0004] To achieve the above-mentioned purpose, the utility model provides a pelletizing device for polyethylene particle production convenient to use, through the up-down movement of the sliding frame, the cutting knives with different knife distances rotate to cut the polyethylene strips, which is convenient for cutting the polyethylene strips into particles of different lengths, simple adjustment and convenient use.

[0005] The utility model is realized in this way, a pelletizing device for polyethylene particle production convenient to use, including the workbench, the right end surface fixed connection of workbench has the support frame, the inside upper and lower two end surfaces of support frame rotatable connection have screw rod, the upper end surface of support frame installs the servo motor that output is connected with the fixed connection of screw rod, the outer wall screw connection of screw rod has the sliding frame, the inside of sliding frame is provided with a plurality of cutting mechanisms,

[0006] The cutting mechanism includes a first roller shaft and a second roller shaft rotatably connected to the inside of the sliding frame through a first shaft, and a mounting plate fixedly connected to the right end surface of the sliding frame. The outer wall of the first roller shaft is fixedly connected with a plurality of circumferentially distributed cutting knives. The inside of the mounting plate is rotatably connected with a sleeve through a bearing. The outer wall of the sleeve is fixedly connected with a first bevel gear. One of the first shafts on the right side extends to the outside of the sliding frame and is fixedly connected with a second bevel gear meshing with the first bevel gear. The two first shafts on the left side both extend to the outside of the sliding frame and are fixedly connected with first gears meshing with each other.

[0007] The upper and lower end faces inside the support frame are rotationally connected with a spline shaft, the upper end face of the support frame is provided with a first driving motor with an output end fixedly connected with the spline shaft, and the sleeve is slidably connected with the spline shaft.

[0008] In order to facilitate the conveying of raw materials, the upper end face of the workbench is fixedly connected with two symmetrically distributed support plates, two conveying rollers are rotationally connected with the second shafts, one end of the second shafts is extended to the outside of the front support plate and is fixedly connected with the second gears, the output end of the second driving motor is fixedly connected with one of the second shafts, and the outer wall of the rear support plate is provided with the second driving motor.

[0009] In order to facilitate the stable up-down movement of the sliding frame, the upper and lower end faces inside the support frame are fixedly connected with a plurality of sliding rods, and the sliding frame is slidably connected with the sliding rods.

[0010] In order to facilitate the limiting of raw materials, the outer wall of the conveying roller is provided with a plurality of uniformly distributed grooves.

[0011] In order to further limit the raw materials, the upper end face of the workbench is fixedly connected with a door-shaped frame, and a plurality of limiting cylinders are fixedly connected with the door-shaped frame.

[0012] In order to facilitate the cutting of raw materials into particles of different lengths, the distance and the number of the cutting knives between the outer walls of the different first roller shafts are not equal.

[0013] In order to facilitate the control of the equipment, the outer wall of the support frame is provided with a controller, and the servo motor, the first driving motor and the second driving motor are electrically connected with the controller.

[0014] Compared with the prior art, the polyethylene particle production cutting device has the advantages that:

[0015] The polyethylene particle production cutting device can rotate the cutting knives with different distances to cut the polyethylene strips, can cut the polyethylene strips into particles of different lengths, is simple to adjust and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structural diagram of the pellet cutting device for polyethylene particle production convenient to use;

[0017] Figure 2 The structural diagram of the sliding frame;

[0018] Figure 3 The utility model discloses Figure 2 The enlarged view of A in the middle;

[0019] Figure 4 The structural diagram of the sliding frame from another angle;

[0020] Figure 5 The structural diagram of the support frame.

[0021] In the drawing, 1, workbench;2, support frame;3, threaded rod;4, servo motor;5, sliding rod;6, sliding frame;7, first roller shaft;8, second roller shaft;9, cutting knife;10, first rotating shaft;11, mounting plate;12, sleeve;13, first bevel gear;14, second bevel gear;15, first drive motor;16, spline shaft;17, first gear;18, support plate;19, conveying roller;20, second rotating shaft;21, second gear;22, groove;23, second drive motor;24, door-shaped frame;25, limiting cylinder. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly and clearly, the following will be further detailed in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0023] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0024] Please refer to Figures 1-5The utility model provides a polyethylene particle production cutting device convenient to use, including workbench 1, the right end surface fixed connection of workbench 1 has support frame 2, the upper and lower two end surfaces between inside support frame 2 are rotatably connected with threaded rod 3, and the upper end surface of support frame 2 is installed with the servo motor 4 of output end and the fixed connection of threaded rod 3, and the outer wall of threaded rod 3 is threadedly connected with sliding frame 6, and the inside of sliding frame 6 is provided with a plurality of cutting mechanisms,

[0025] Cutting mechanism includes the first roller shaft 7 and the second roller shaft 8 rotatably connected in the inside of sliding frame 6 by first shaft 10, and the mounting plate 11 fixedly connected to the right end surface of sliding frame 6, the outer wall of first roller shaft 7 is fixedly connected with a plurality of circumferentially distributed cutting knives 9, the inside of mounting plate 11 is rotatably connected with sleeve 12 by bearing, the outer wall of sleeve 12 is fixedly connected with first bevel gear 13, one of first shaft 10 located at the right side extends to the outside of sliding frame 6 and is fixedly connected with second bevel gear 14 meshing connection with first bevel gear 13, and the two first shaft 10 located at the left side all extend to the outside of sliding frame 6 and are fixedly connected with the first gear 17 meshing with each other,

[0026] The upper and lower two end surfaces between inside support frame 2 are rotatably connected with spline shaft 16, and the upper end surface of support frame 2 is installed with the first drive motor 15 of output end and the fixed connection of spline shaft 16, and sleeve 12 is slidably connected with spline shaft 16.

[0027] In the embodiment: start first drive motor 15, first drive motor 15 drives spline shaft 16 to rotate, spline shaft 16 further drives sleeve 12 to rotate, further drives first bevel gear 13 to rotate, first bevel gear 13 further drives second bevel gear 14 to rotate, further drives first roller shaft 7 to rotate through the first shaft 10 on the upside, further drives cutting knife 9 to rotate, first roller shaft 7 further drives second roller shaft 8 to rotate reversely synchronously through first shaft 10 and first gear 17, and further cuts the polyethylene strip between first roller shaft 7 and second roller shaft 8,

[0028] Start servo motor 4, servo motor 4 drives threaded rod 3 to rotate, further drives sliding frame 6 to move upwards or downwards along slide rod 5, further makes the cutting knife 9 of different blade pitch align with the limiting cylinder 25, by the rotation of cutting knife 9 of different blade pitch, it is convenient to cut the polyethylene strip into the particle of different length, and the adjustment is simple, and the use is convenient.

[0029] As a technical optimization scheme of the utility model, the upper end surface of the workbench 1 is fixedly connected with two symmetrical support plates 18, two conveying rollers 19 are rotatably connected between the two support plates 18 through the second rotating shaft 20, the one end of the two second rotating shafts 20 extends to the outside of the front side support plate 18 and is fixedly connected with the second gear 21 which is intermeshed, and the outer wall of the rear side support plate 18 is provided with the second drive motor 23 whose output end is fixedly connected with one of the second rotating shafts 20.

[0030] In the embodiment, the second drive motor 23 is started, the second drive motor 23 drives the two conveying rollers 19 to synchronously and reversely rotate through the second rotating shaft 20 and the second gear 21, and the polyethylene strip is conveyed to the right for cutting.

[0031] As a technical optimization scheme of the utility model, a plurality of slide rods 5 are fixedly connected between the upper and lower end surfaces in the support frame 2, and the slide frame 6 is slidably connected with the plurality of slide rods 5.

[0032] In the embodiment, the slide frame 6 is conveniently positioned through the slide rod 5, and the slide frame 6 moves stably up and down.

[0033] As a technical optimization scheme of the utility model, a plurality of evenly distributed grooves 22 are formed in the outer wall of the two conveying rollers 19.

[0034] In the embodiment, the polyethylene strip is conveniently positioned through the plurality of evenly distributed grooves 22 formed in the outer wall of the conveying roller 19.

[0035] As a technical optimization scheme of the utility model, the upper end surface of the workbench 1 is fixedly connected with the door-shaped frame 24, and a plurality of limiting cylinders 25 are fixedly connected and penetrate the inside of the door-shaped frame 24.

[0036] In the embodiment, the polyethylene strip is passed through the limiting cylinder 25, and the polyethylene strip is conveniently further positioned.

[0037] As a technical optimization scheme of the utility model, the distance and the number between the cutting knives 9 located on the outer walls of different first roller shafts 7 are not equal.

[0038] In the embodiment, the polyethylene strip is conveniently cut into particles of different lengths through the distance and the number between the cutting knives 9 located on the outer walls of different first roller shafts 7 being not equal.

[0039] As a technical optimization scheme of the utility model, the outer wall of the support frame 2 is provided with a controller, and the servo motor 4, the first drive motor 15 and the second drive motor 23 are electrically connected with the controller.

[0040] In the embodiment, the controller is convenient for controlling the normal work of the equipment and improving the degree of automation.

[0041] The working principle and use process of the utility model are as follows: in use, firstly, the polyethylene strip is inserted through the groove 22 between the two conveying rollers 19 (the conveying rollers 19 are elastic and can clamp and convey the polyethylene strip), and is inserted out from the limiting cylinder 25, then the second driving motor 23 is started, and the first driving motor 15, the second driving motor 23 drives the two conveying rollers 19 to rotate reversely synchronously through the second rotating shaft 20 and the second gear 21, the polyethylene strip is conveyed to the right, the first driving motor 15 drives the spline shaft 16 to rotate, the spline shaft 16 further drives the sleeve 12 to rotate, and further drives the first bevel gear 13 to rotate, the first bevel gear 13 further drives the second bevel gear 14 to rotate, and further drives the first roller shaft 7 to rotate through the upper first rotating shaft 10, and further drives the cutting knife 9 to rotate, the first roller shaft 7 further drives the second roller shaft 8 to rotate reversely synchronously through the first rotating shaft 10 and the first gear 17, and further cuts the polyethylene strip entering between the first roller shaft 7 and the second roller shaft 8;

[0042] When the size of the cutting particles is adjusted (when the equipment is stopped), the servo motor 4 is started, the servo motor 4 drives the threaded rod 3 to rotate, and further drives the sliding frame 6 to move upwards or downwards along the sliding rod 5, and further aligns the cutting knife 9 with different blade distances with the limiting cylinder 25, the cutting knife 9 with different blade distances is rotated, and the polyethylene strip is conveniently cut into particles with different lengths, the adjustment is simple, and the use is convenient.

[0043] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dicing device for producing polyethylene particles, which is convenient to use, comprising a worktable (1), characterized in that: The right end surface of the workbench (1) is fixedly connected with a support frame (2), a threaded rod (3) is rotatably connected between the upper and lower end surfaces in the support frame (2), a servo motor (4) with the output end fixedly connected with the threaded rod (3) is installed on the upper end surface of the support frame (2), a sliding frame (6) is threadedly connected to the outer wall of the threaded rod (3), and a plurality of cutting mechanisms are arranged in the sliding frame (6). The cutting mechanism comprises a first roller shaft (7) and a second roller shaft (8) rotatably connected in the sliding frame (6) through a first rotating shaft (10), and a mounting plate (11) fixedly connected to the right end surface of the sliding frame (6), a plurality of circumferentially distributed cutting knives (9) are fixedly connected to the outer wall of the first roller shaft (7), a sleeve (12) is rotatably connected in the mounting plate (11) through a bearing, a first bevel gear (13) is fixedly connected to the outer wall of the sleeve (12), one of the first rotating shafts (10) on the right side extends to the outside of the sliding frame (6) and is fixedly connected with a second bevel gear (14) meshing with the first bevel gear (13), and the two first rotating shafts (10) on the left side both extend to the outside of the sliding frame (6) and are fixedly connected with first gears (17) meshing with each other. A spline shaft (16) is rotatably connected between the upper and lower end surfaces in the support frame (2), a first driving motor (15) with the output end fixedly connected with the spline shaft (16) is installed on the upper end surface of the support frame (2), and the sleeve (12) is slidably connected with the spline shaft (16).

2. The pelletizer for easy use of polyethylene pellets according to claim 1, characterized in that: The upper end surface of the workbench (1) is fixedly connected with two symmetrically distributed support plates (18), two conveying rollers (19) are rotatably connected between the two support plates (18) through a second rotating shaft (20), one end of the two second rotating shafts (20) extends to the outside of the front support plate (18) and is fixedly connected with second gears (21) meshing with each other, and an output end of a second driving motor (23) is fixedly connected with one of the second rotating shafts (20) and is installed on the outer wall of the rear support plate (18).

3. The pelletizer for easy use of polyethylene pellets according to claim 1, wherein: A plurality of slide rods (5) are fixedly connected between the upper and lower end surfaces in the support frame (2), and the sliding frame (6) is slidably connected with the plurality of slide rods (5).

4. The pelletizer for easy use of polyethylene pellets according to claim 2, wherein: The outer walls of the two conveying rollers (19) are provided with a plurality of uniformly distributed grooves (22).

5. The pelletizer for easy use of polyethylene pellets according to claim 1, wherein: The upper end surface of the workbench (1) is fixedly connected with a door-shaped frame (24), and a plurality of limiting cylinders (25) are fixedly connected and penetrate the door-shaped frame (24).

6. The pelletizer for easy use of polyethylene pellets production according to claim 1, characterized in that: The distances and the number of cutting knives (9) between different first roller shafts (7) are not equal.

7. A pelletizer for producing polyethylene pellets with ease as claimed in claim 2, wherein: The outer wall of the support frame (2) is provided with a controller, and the servo motor (4), the first driving motor (15) and the second driving motor (23) are electrically connected with the controller.

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