Disc type shredder

Abstract

The disc type shredding machine comprises a rack, a main shaft is rotationally arranged on the rack, a shell covering the main shaft is arranged on the rack, a discharging opening is formed in the side wall of the other end of the shell, the main shaft is sequentially and fixedly sleeved with a plurality of cutter heads, movable cutters are fixed to the cutter heads, and the movable cutters on the adjacent cutter heads are sequentially arranged in a staggered mode in the circumferential direction of the main shaft. Fixed cutters are fixed to the inner wall of the shell between the adjacent movable cutters, the end, facing the discharging port, of the main shaft penetrates through the shell, extends out of the shell and is fixedly provided with a plurality of discharging cutters, and a screen is fixed to the position, corresponding to the discharging port, of the outer wall of the shell. According to the disc type shredder, the movable cutters are arranged in a staggered mode to form a spiral structure, under the cooperation of the fixed cutters, materials can be uniformly and efficiently shredded while being helically guided towards the discharging opening, and the situation that in the shredding process, plastic adheres to the cutters due to friction heating is improved; the discharging cutter scrapes materials evenly, the problem that due to the toughness of plastic, screening holes are prone to being blocked, discharging is not smooth is solved, production efficiency is improved, and the yield is increased.

Description

Technical Field

[0001] The present application relates to the technical field of shredders, and in particular to a disc shredder. Background Art

[0002] With the rapid development of the economy, new materials have emerged. Plastics are widely used as raw materials for automobile interior parts and daily necessities due to their excellent performance and low cost. However, huge amounts of plastic waste have been generated. Plastic shredding is one of the important links in plastic recycling, and plastic shredders are necessary equipment for plastic shredding and recycling. The existing plastic shredders have low shredding efficiency, and the knives are easily damaged and blocked, which have become the main obstacles to plastic recycling. Utility Model Content

[0003] The utility model aims to provide a disc-type shredder to overcome the deficiencies in the prior art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The embodiment of the present application discloses a disc-type shredder, which is characterized by: comprising a frame, a main shaft rotatably provided on the frame, a shell covering the main shaft provided on the frame, a feed port provided on the top of one end of the shell, a discharge port provided on the side wall of the other end of the shell, a plurality of knife discs fixedly sleeved on the main shaft in sequence, a moving knife fixed on the knife disc, the moving knives on adjacent knife discs are staggered in sequence along the circumferential direction of the main shaft, a fixed knife is fixed on the inner wall of the shell between adjacent moving knives, one end of the main shaft facing the discharge port extends through the shell to the outside of the shell and a plurality of unloading knives are fixed thereon, a screen is fixed on the outer wall of the shell corresponding to the position of the discharge port, the end of the main shaft facing away from the discharge port extends to the outside of the shell and is connected to a driving mechanism, and a pressing mechanism is provided above the feed port.

[0006] Preferably, in the above-mentioned disc shredder, a plurality of the discharge knives are fixed on the outer circumference of the main shaft in a ring shape.

[0007] Preferably, in the above-mentioned disc shredder, the blade of the discharge knife is arranged to fit the screen.

[0008] Preferably, in the above-mentioned disc shredder, the pressing mechanism includes a telescopic cylinder and a swing arm, the bottom end of the swing arm is hinged to the frame, the two ends of the telescopic cylinder are respectively hinged to the top end of the swing arm and the frame, and the top end of the swing arm is provided with an arc plate bent toward the feed inlet.

[0009] Preferably, in the above-mentioned disc-type shredder, a feeding hopper is provided above the feed inlet, and an opening for the arc-shaped plate to pass through is provided on the feeding hopper.

[0010] Preferably, in the above-mentioned disc shredder, the angle between adjacent moving knives is 30°.

[0011] Preferably, in the above-mentioned disc shredder, a plurality of the discharge ports are provided, and the plurality of the discharge ports are arranged in a ring shape with the main shaft as the center.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The moving knife is staggered to form a spiral structure, and with the cooperation of the fixed knife, the material is guided toward the discharge port in a spiral manner and can be shredded evenly and efficiently, which improves the friction and heat generated during the shredding process that causes the plastic to stick to the knife, saves maintenance costs and improves the shredding effect; the unloading knife scrapes the material evenly, which improves the problem of poor discharge caused by the toughness of the plastic that easily blocks the sieve holes, thereby improving production efficiency and increasing output. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, it is easy to obtain other drawings based on these drawings without creative work.

[0015] Figure 1 The figure is a three-dimensional diagram of a disc-type shredder in a specific embodiment of the utility model;

[0016] Figure 2 The structure of the disc shredder in the specific embodiment of the utility model is shown as follows Figure 1 ;

[0017] Figure 3 The structure of the disc shredder in the specific embodiment of the utility model is shown as follows Figure 2 ;

[0018] Figure 4 The structure of the disc shredder in the specific embodiment of the utility model is shown as follows Figure 3 . DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to describe the technical solutions in the embodiments of the utility model in detail. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Ginseng Figures 1 to 4As shown, the disc shredder in this embodiment includes a frame 1, a main shaft 2 is rotatably provided on the frame 1, a shell 3 covering the main shaft 2 is provided on the frame 1, a feed port 4 is provided on the top of one end of the shell 3, and a discharge port 5 is provided on the side wall of the other end of the shell 1, a plurality of cutter discs 6 are fixedly sleeved on the main shaft 2 in sequence, movable knives 7 are fixed on the cutter discs 6, the movable knives 7 on adjacent cutter discs 6 are staggered in sequence along the circumferential direction of the main shaft 2, a fixed knife 8 is fixed on the inner wall of the shell 3 between adjacent movable knives 7, one end of the main shaft 2 facing the discharge port 5 passes through the shell 3 and extends to the outside of the shell 3 and is fixed with a plurality of unloading knives 9, a screen 10 is fixed on the outer wall of the shell 3 corresponding to the position of the discharge port 5, the end of the main shaft 2 away from the discharge port 5 extends to the outside of the shell 3 and is connected to the driving mechanism 11, and a pressing mechanism 12 is provided above the feed port 4.

[0021] Furthermore, a plurality of discharge knives 9 are fixed on the outer circumference of the main shaft 2 in a ring shape.

[0022] Furthermore, the blade of the discharge knife 9 is arranged to fit the screen 10 .

[0023] Furthermore, the angle between adjacent moving knives 7 is 30°.

[0024] Furthermore, a plurality of discharge ports 5 are provided, and the plurality of discharge ports 5 are arranged in a ring shape with the main shaft 2 as the center.

[0025] In this technical solution, the moving knife is staggered to form a spiral structure, and with the cooperation of the fixed knife, the material is guided toward the discharge port in a spiral manner and can be shredded evenly and efficiently, which improves the problem of plastic sticking to the knife due to friction and heat during the shredding process, saves maintenance costs and improves the shredding effect; the unloading knife scrapes the material evenly, which improves the problem of poor discharge caused by the toughness of the plastic, which easily blocks the sieve holes, thereby improving production efficiency and increasing output.

[0026] Ginseng Figures 1 to 4 As shown, in one embodiment, the pressing mechanism 12 includes a telescopic cylinder 1202 and a swing arm 1201, the bottom end of the swing arm 1201 is hinged to the frame 1, the two ends of the telescopic cylinder 1202 are respectively hinged to the top of the swing arm 1201 and the frame 1, and the top of the swing arm 1202 is provided with an arc plate 1203 bent toward the feed port 4.

[0027] Furthermore, a feeding hopper 13 is provided above the feed port 4, and an opening 14 is provided on the feeding hopper 13 for the arc plate 1203 to pass through.

[0028] In this technical solution, the swing arm is driven to swing by the telescopic cylinder so that the arc plate presses the material, thereby achieving a better shredding effect.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] The above is only a specific implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A disc shredder, characterized in that: The machine comprises a frame, on which a main shaft is rotatably provided, a shell covering the main shaft is provided on the frame, a feed port is provided on the top of one end of the shell, a discharge port is provided on the side wall of the other end of the shell, a plurality of knife discs are fixedly sleeved on the main shaft in sequence, a movable knife is fixed on the knife disc, the movable knives on adjacent knife discs are staggered in sequence along the circumferential direction of the main shaft, a fixed knife is fixed on the inner wall of the shell between adjacent movable knives, one end of the main shaft facing the discharge port extends through the shell to the outside of the shell and a plurality of unloading knives are fixed thereon, a screen is fixed on the outer wall of the shell corresponding to the position of the discharge port, the end of the main shaft facing away from the discharge port extends to the outside of the shell and is connected to a driving mechanism, and a pressing mechanism is provided above the feed port.

2. A disc shredder according to claim 1, characterized in that: A plurality of discharge knives are fixed on the outer circumference of the main shaft in a ring shape.

3. A disc shredder according to claim 1, characterized in that: The blade of the discharge knife is arranged in contact with the screen.

4. A disc shredder according to claim 1, characterized in that: The pressing mechanism comprises a telescopic cylinder and a swing arm, the bottom end of the swing arm is hinged to the frame, the two ends of the telescopic cylinder are respectively hinged to the top end of the swing arm and the frame, and the top end of the swing arm is provided with an arc plate bent toward the feed port.

5. A disc shredder according to claim 4, characterized in that: A feeding hopper is arranged above the feeding port, and an opening for the arc-shaped plate to pass through is arranged on the feeding hopper.

6. The disc shredder according to claim 1, characterized in that: The angle between adjacent moving knives is 30°.

7. The disc shredder according to claim 1, characterized in that: There are multiple discharge ports, and the multiple discharge ports are arranged in a ring shape with the main axis as the center.

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