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A kind of cutting fixture and processing technology of long blade for plastic pulverizer

A processing technology and pulverizer technology, applied in metal processing equipment, manufacturing tools, welding/cutting auxiliary equipment, etc., can solve the problems of high processing cost, difficult to adapt to different blade angles, easily damaged milling cutters, etc., and achieve high positioning accuracy Effect

Active Publication Date: 2020-11-27
ANHUI FENGLIRUI BLADE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the existing problems of using a milling machine to process easily damaged milling cutters when cutting steel with a large thickness, the milling cutter needs to be replaced regularly, the processing cost is high, and it is difficult to adapt to different blade angles. The fixture can adjust the angle of the cutting edge surface to be processed by the blade, so that the cutting surface of the cutting edge of the blade is in a vertical state, and efficient and high-quality cutting can be performed without using a milling machine

Method used

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  • A kind of cutting fixture and processing technology of long blade for plastic pulverizer
  • A kind of cutting fixture and processing technology of long blade for plastic pulverizer
  • A kind of cutting fixture and processing technology of long blade for plastic pulverizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] to combine image 3 with Figure 4 As shown, a long-blade cutting jig for a plastic pulverizer in this embodiment includes a base 100 , a rotating shaft 200 , a base plate 300 , a pressing plate 400 and a dial 600 . Among them, the base 100 is fixed on the workbench of the machine tool, and the middle position of the rotating shaft 200 is fixed to weld the substrate 300. When the base 100 rotates, the substrate 300 on it also rotates at the same angle, and the rotation angle of the rotating shaft 200 can be observed according to the dial 600; The space within is the clamping position 310 for the long blade blank 700 , and the long blade blank 700 is fixed on the substrate 300 through the pressing plate 400 . The structure and function of each part will be described in detail below.

[0061] to combine image 3 with Figure 4 As shown, the base 100 includes an upper fixing part 110 and a lower fixing part 120, and the upper fixing part 110 and the lower fixing part ...

Embodiment 2

[0068] This embodiment is a processing technology of a long blade for a plastic pulverizer, wherein the cutting jig used is the cutting jig for a long blade for a plastic pulverizer in Example 1.

[0069] Specifically, a processing technology of long blades for plastic pulverizers, the steps are:

[0070] S1. Selection of raw materials: use No. 45 steel;

[0071] S2. Annealing: Place the selected No. 45 steel material in an annealing furnace for annealing treatment. The annealing temperature is 640°C, and the annealing time is 3.5h. Cool to 160°C in the annealing furnace, hold for 1h, and then air cool to room temperature;

[0072] S3, preliminary processing: the material obtained by annealing is processed into a workpiece having the basic shape of the long blade body 730 except the first cutting edge surface 710 and the second cutting edge surface 720, leaving a margin of 1.5 mm on each surface;

[0073] S4. Flame cutting the first cutting edge surface 710: install the workp...

Embodiment 3

[0082] This embodiment is basically the same as Embodiment 2, except that: in step S4 of this embodiment, the cutting method of the flame cutting machine adopts intermittent cutting; parameters such as temperature and time in the process method are different.

[0083] Specifically, a processing technology of long blades for plastic pulverizers, the steps are:

[0084] S1. Selection of raw materials: 42CrMo steel is used;

[0085] S2, annealing: place the selected 42CrMo steel in an annealing furnace for annealing treatment, the annealing temperature is 710°C, the annealing time is 225min, cool to 180°C in the annealing furnace, keep warm for 1.5h, then air cool to room temperature;

[0086] S3, preliminary processing: the material obtained by annealing is processed into a workpiece having the basic shape of the long blade body 730 except the first cutting edge surface 710 and the second cutting edge surface 720, leaving a margin of 1.5 mm on each surface;

[0087] S4. Flame c...

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Abstract

The invention discloses a cutting clamp and machining process of a long blade for a plastic pulverizer, and belongs to the technical field of mechanical tools. The cutting clamp comprises bases, a rotary shaft, a base plate, a pressing plate and a dial. The bases are fixed to a workbench of a machine tool, and the base plate is fixed to the middle of the rotary shaft. The two ends of the rotary shaft are rotationally connected to the bases, and the dial is arranged at one end of the rotary shaft. An indicatrix on the bases points to the dial, and the rotating angle of the rotary shaft is observed. The base plate is fixedly connected with the pressing plate, the space formed between the pressing plate and the base plate serves as a clamping position of a long blade blank, and the long bladeblank is fixed to the base plate through the pressing plate. The cutting clamp is used in combination with a cutting process of flame cutting, and the machining process of the long blade for the pulverizer is optimized. The cutting clamp is simple in structure and reasonable in design, the cost is reduced by the machining process, the machining performance of a cut face is improved, and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of mechanical cutting tools, and more specifically relates to a cutting fixture and a processing technology of long blades for plastic shredders. Background technique [0002] Plastic shredder refers to crushing various plastic plastics and rubber, such as plastic profiles, pipes, rods, silk threads, films, and waste rubber products. The crushed pellets can be directly extruded as raw materials for production. The blade used to crush materials on a plastic grinder is called a plastic grinder blade, also called a plastic mechanical blade. Because the plastic is hard and the rubber is elastic, the sharpness of the plastic grinder blade determines the fineness of the material crushed. The sharpness of the blade depends on the shape angle of the cutting edge, the hardness of the blade and its internal metallographic structure. Therefore, crushing different types of plastics or rubber requires blades with diffe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K7/10B23K37/04B23P15/00
CPCB23K7/10B23K37/0443B23P15/00
Inventor 袁业军陈大年赵其丙徐传银张杰
Owner ANHUI FENGLIRUI BLADE MFG CO LTD
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