Double-shaft fine crusher

Abstract

The utility model discloses a double-shaft fine crusher. The double-shaft fine crusher comprises a feeding assembly, an operation cavity and a crushing assembly, a crushing assembly is arranged in the operation cavity, the feeding assembly is connected with the operation cavity, the operation cavity can receive a target object through the feeding assembly, and the crushing assembly can crush the target object in the operation cavity. The crushing device has the advantages that feeding can be conducted through the feeding assembly, the first crushing part in the operation cavity is matched with the two second crushing parts to crush a target object back and forth, the crushed target object can reach the millimeter level, the two second crushing parts are arranged to be matched with the first crushing part to crush the target object, and the crushing efficiency is improved. And the crushing efficiency is greatly improved, the productivity is improved, and meanwhile, the time cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crusher technical field, especially a double-shaft fine crusher. BACKGROUND

[0002] Plastic products are everywhere in our life, and plastic is indispensable in clothing, food, shelter and travel, and plastic is a recyclable resource. However, the recycling of plastic cannot be separated from the crusher. The market is more common single-shaft coarse crusher, double-shaft coarse crusher, single-shaft fine crusher. Generally, the plastic crushing production line is composed of coarse crusher and fine crusher. However, the single coarse crusher processing capacity is generally greater than that of single fine crusher per hour. With the increasing demand of the market, the demand for single large-capacity fine crusher is increasing. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above or the problems existing in the prior art, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a double-shaft fine crusher, which can set second crushing pieces on both sides of the first crushing piece, and use the first crushing piece and two groups of second crushing pieces to cooperate with the crushing work at the same time, thereby improving the crushing efficiency and greatly improving the production capacity.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a double-shaft fine crusher, which comprises a feeding assembly, an operating cavity, and a crushing assembly; the crushing assembly is arranged in the operating cavity, the feeding assembly is connected with the operating cavity, the operating cavity can receive target objects through the feeding assembly, and the crushing assembly can crush the target objects in the operating cavity.

[0007] As a preferred scheme of the double-shaft fine crusher of the utility model, the crushing assembly comprises a first crushing piece and a second crushing piece; the second crushing piece is arranged on one side of the first crushing piece, and the second crushing piece is arranged in at least one group in the operating cavity; the second crushing piece can rotate and cooperate with the first crushing piece for crushing.

[0008] As a preferred scheme of the double-shaft fine crusher of the utility model, the second crushing piece is arranged in two groups, and the two groups of second crushing pieces are arranged on both sides of the first crushing piece.

[0009] As a preferred scheme of the double-shaft fine crusher, the second crushing part comprises a driving part, a rotating shaft and a rolling cutter; the rotating shaft is circumferentially provided with a plurality of rolling cutters; the driving part is arranged on the side of the rotating shaft; and the driving part can drive the rotating shaft and the rolling cutter to rotate.

[0010] As a preferred scheme of the double-shaft fine crusher, the rotating shaft is provided with an agitation cavity; and the agitation cavity can drive the target object to move towards the first crushing part.

[0011] As a preferred scheme of the double-shaft fine crusher, the first crushing part comprises a support frame, a fixed cutter and a guide end; the upper end of the support frame is provided with the guide end; the two sides of the support frame are provided with the fixed cutters; the guide end can guide the target object to the positions of the two fixed cutters; and the fixed cutters are matched with the second crushing part to crush the target object.

[0012] As a preferred scheme of the double-shaft fine crusher, at least one maintenance door is arranged on the operation cavity; and the maintenance door is arranged on one side of the crushing assembly.

[0013] As a preferred scheme of the double-shaft fine crusher, the feeding assembly comprises a feeding cavity; a feeding port is arranged on one side of the upper end of the feeding cavity; a door curtain is arranged at the position of the feeding port; an air inlet is arranged on the upper end of the feeding cavity; and the target object enters the feeding cavity and the operation cavity through the feeding port.

[0014] As a preferred scheme of the double-shaft fine crusher, a screen is arranged in the operation cavity; and the screen is arranged below the second crushing part; and the screen can crush the crushed target object.

[0015] As a preferred scheme of the double-shaft fine crusher, a hopper is arranged below the screen; and the hopper can receive the crushed target object.

[0016] The double-shaft fine crusher has the following beneficial effects: the feeding assembly can be used for feeding; the first crushing part in the operation cavity cooperates with the two second crushing parts to crush the target object back and forth, so that the crushed target object can reach the millimeter level; the two second crushing parts cooperate with the first crushing part to crush the target object, thereby greatly improving the crushing efficiency, improving the production capacity and reducing the time cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor. Among them:

[0018] Fig. 1 Figure 9 is a schematic view of a double shaft fine crusher in an open state of a maintenance door.

[0019] Fig. 2 Figure 10 is a schematic view of a double shaft fine crusher as a whole.

[0020] Fig. 3 Figure 11 is a schematic view of a double shaft fine crusher in a cross-sectional view.

[0021] Fig. 4 Figure 12 is a schematic view of a crushing assembly of a double shaft fine crusher in a partial perspective view.

[0022] Fig. 5 Figure 13 is a schematic view of a second crushing element of a double shaft fine crusher. DETAILED DESCRIPTION

[0023] In order to make the above objectives, characteristics and advantages of the present application more apparent, a detailed description of the specific embodiments of the present application will be given below with reference to the accompanying drawings.

[0024] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to herein means that a specific feature, structure or characteristic can be included in at least one implementation of the present application. In different places in this specification, "in one embodiment" does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0026] Embodiment 1

[0027] Reference Figs. 1-3 In the first embodiment of the present application, the embodiment provides a double shaft fine crusher, which comprises a feeding assembly 1, an operation cavity 2, and a crushing assembly 3; by arranging the feeding assembly 1, the target object can smoothly enter the operation cavity 2, and by using the crushing assembly 3, the target object can be crushed.

[0028] Specifically, it comprises a feeding assembly 1, an operation cavity 2, and a crushing assembly 3; the operation cavity 2 is provided with the crushing assembly 3, the feeding assembly 1 is connected with the operation cavity 2, the operation cavity 2 can receive the target object through the feeding assembly 1, and the crushing assembly 3 can crush the target object in the operation cavity 2.

[0029] In summary, the utility model discloses a feeding assembly 1 can make target object enter the operating cavity 2 smoothly, utilize the broken assembly 3 can be broken to target object, utilize the broken assembly 3 can improve the efficiency of broken greatly, improve the capacity and can save time cost.

[0030] Embodiment 2

[0031] Reference Figs. 1-5 For the second embodiment of the utility model, in the last embodiment, the double-shaft fine crusher includes a feeding assembly 1, an operating cavity 2, and a broken assembly 3; the feeding assembly 1 can be provided to make the target object enter the operating cavity 2 smoothly, and the broken assembly 3 can be used to break the target object.

[0032] Specifically, the utility model discloses a feeding assembly 1, an operating cavity 2, and a broken assembly 3; the broken assembly 3 is arranged in the operating cavity 2, the feeding assembly 1 is connected with the operating cavity 2, the operating cavity 2 can receive the target object through the feeding assembly 1, and the broken assembly 3 can break the target object in the operating cavity 2.

[0033] It should be noted that the coarse crusher has the following characteristics: low speed of about 20 r / min and large torque, the cutter shaft is composed of multiple tooth-shaped cutters and interval axial superposition, the coarse crusher does not have a screen, and the discharge size is generally centimeter level.

[0034] The fine crusher has the following characteristics: high speed of about 500 r / min and low torque, the cutter shaft is composed of multiple rectangular blades distributed in a circle, the fine crusher is provided with a screen, and the discharge size is generally millimeter level.

[0035] It should be noted that the target object is plastic, and other materials that can be broken can also be used.

[0036] Further, the broken assembly 3 includes a first breaking piece 31 and a second breaking piece 32; the second breaking piece 32 is arranged on one side of the first breaking piece 31, the second breaking piece 32 is arranged in the operating cavity 2 in at least one group, and the second breaking piece 32 can rotate to cooperate with the first breaking piece 31 to break.

[0037] Preferably, two groups of second breaking pieces 32 are arranged to improve the crushing efficiency.

[0038] Preferably, the two groups of second breaking pieces 32 can rotate in the operating cavity 2 and can drive the target object to rotate, extrude and cut, so as to achieve the target of breaking the target object to millimeter level and rolling back to extrude and cut.

[0039] Further, the second breaking piece 32 is arranged in two groups, and the two groups of second breaking pieces 32 are arranged on the two sides of the first breaking piece 31.

[0040] Preferably, two groups of second breaking pieces 32 are arranged to improve the crushing efficiency.

[0041] Further, the second crushing piece 32 comprises a driving piece 321, a rotating shaft 322, and a rolling cutter 323; the rotating shaft 322 is circumferentially provided with a plurality of groups of rolling cutters 323, and the driving piece 321 is arranged on the side of the rotating shaft 322, and the driving piece 321 can drive the rotating shaft 322 and the rolling cutter 323 to rotate.

[0042] The rotating shaft 322 can be driven by the driving piece 321 to rotate by 360 degrees, and the rolling cutter 323 is arranged on the rotating shaft 322 and circumferentially provided with a plurality of groups.

[0043] Further, the rotating shaft 322 is provided with an agitating cavity 324, and the agitating cavity 324 can drive the target object to move towards the first crushing piece 31.

[0044] Preferably, the target object can be repeatedly crushed by the agitating cavity 324 until the requirement is met, and then enters the hopper 6 from the screen 5.

[0045] Further, the first crushing piece 31 comprises a support frame 311, a fixed cutter 312, and a guide end 313; the upper end of the support frame 311 is provided with the guide end 313, both sides of the support frame 311 are provided with the fixed cutter 312, the guide end 313 can guide the target object to the positions of the two fixed cutters 312, and the fixed cutter 312 cooperates with the second crushing piece 32 to crush the target object.

[0046] Preferably, both sides of the support frame 311 are provided with the fixed cutter 312, and the fixed cutter 312 can cut the material with the rolling cutter 323.

[0047] It should be noted that the material is put into the operating cavity 2 from the feeding cavity 11, the high-speed rotating rolling cutter 323 and the fixed cutter 312 form a shearing force, the gap between the rolling cutter 323 and the fixed cutter 312 is 0.2-0.4mm, the material is cut multiple times in the crusher cavity, and after the diameter of the crushed material is smaller than the aperture of the screen 5, the material is discharged from the screen and enters the hopper 6. During this process, both the second crushing pieces 32 can effectively crush the material, greatly improving the single machine capacity.

[0048] Further, at least one group of maintenance doors 4 is arranged on the operating cavity 2, and the maintenance door 4 is arranged on one side of the crushing assembly 3.

[0049] Preferably, two groups of maintenance doors 4 are arranged on the operating cavity 2, and through the design of the two groups of maintenance doors 4, when the crushing assembly 3 fails, the maintenance doors 4 can be quickly opened, so that the first crushing piece 31 and the second crushing piece 32 can be quickly maintained.

[0050] Further, the feeding assembly 1 comprises a feeding cavity 11, a feeding port 12 is formed on one side of the upper end of the feeding cavity 11, and a door curtain 13 is arranged at the position of the feeding port 12; an air inlet 14 is formed on the upper end of the feeding cavity 11; the target object enters the feeding cavity 11 and the operation cavity 2 through the feeding port 12.

[0051] Further, a screen 5 is arranged in the operation cavity 2, and the screen 5 is arranged below the second crushing part 32; the screen 5 can crush the crushed target object.

[0052] Through the design of the screen 5, the material can reach the crushing requirement and pass through the screen 5 to the hopper 6.

[0053] Further, the hopper 6 is arranged below the screen 5; the hopper 6 can receive the crushed target object.

[0054] Under the condition of the same rotary diameter of the cutter shaft and the same length of the cutter shaft, the production capacity of the double-shaft fine crusher is twice that of the traditional single-shaft fine crusher; the area occupied by the single double-shaft fine crusher is far less than that of two single-shaft fine crushers, and a set of front and rear material conveying systems can be saved.

[0055] In summary, the feeding assembly 1 can be used for feeding, the target object is crushed back and forth by the first crushing part 31 and the two groups of second crushing parts 32 in the operation cavity 2, so that the crushed target object can reach the millimeter level; the target object is crushed by the two groups of second crushing parts 32 and the first crushing part 31, which greatly improves the crushing efficiency, improves the production capacity and reduces the time cost.

[0056] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein. For example, elements described as integrated in a single unit can be separated, elements described as separate can be integrated, and the position, number, shape, and arrangements of elements can be varied. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the general nature of the claims. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the foregoing describes are intended to cover.

[0057] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0058] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes, and omissions of parts illustrated as having a specific configuration. Such are the natural consequences of research and development efforts, and

[0059] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A twin-shaft fine crusher, characterized in that: The utility model provides a target material crushing device, including feed assembly (1), operating cavity (2) and crushing assembly (3), operating cavity (2) is provided with crushing assembly (3), feed assembly (1) is connected with operating cavity (2), operating cavity (2) can receive target material through feed assembly (1), and crushing assembly (3) can crush target material in operating cavity (2). The crushing assembly (3) includes a first crushing piece (31) and a second crushing piece (32). The second crushing piece (32) is arranged on one side of the first crushing piece (31). The second crushing piece (32) is arranged in at least one group in the operating cavity (2). The second crushing piece (32) can rotate to cooperate with the first crushing piece (31) to crush the target material. The second crushing piece (32) includes a driving piece (321), a rotating shaft (322), and a rolling cutter (323). The rotating shaft (322) is circumferentially provided with a plurality of groups of rolling cutters (323). The driving piece (321) is arranged on the side of the rotating shaft (322). The driving piece (321) can drive the rotating shaft (322) and the rolling cutter (323) to rotate. The first crushing piece (31) includes a support frame (311), a fixed cutter (312), and a guide end (313). The support frame (311) is provided with the guide end (313) at the upper end. The support frame (311) is provided with the fixed cutter (312) on both sides. The guide end (313) can guide the target material to the position of the fixed cutter (312) on both sides. The fixed cutter (312) cooperates with the second crushing piece (32) to crush the target material.

2. The twin-shaft fine shredder of claim 1, wherein: The second crushing piece (32) is arranged in two groups, and each group of the second crushing piece (32) is arranged on the two sides of the first crushing piece (31).

3. The dual shaft fine shredder of claim 1, wherein: The rotating shaft (322) is provided with an agitating cavity (324). The agitating cavity (324) can drive the target material to move towards the first crushing piece (31).

4. The dual shaft fine shredder of claim 1, wherein: The operating cavity (2) is provided with at least one access door (4) on one side of the crushing assembly (3).

5. The dual shaft fine shredder of claim 1, wherein: The feed assembly (1) includes a feed cavity (11). The feed cavity (11) is provided with a feed port (12) on one side of the upper end. The feed port (12) is provided with a shutter curtain (13) on one side. The feed cavity (11) is provided with an air inlet (14) at the upper end. The target material enters the feed cavity (11) and the operating cavity (2) through the feed port (12).

6. The dual shaft fine shredder of claim 1, wherein: The operating cavity (2) is provided with a screen (5) below the second crushing piece (32). The screen (5) can crush the crushed target material.

7. The twin-shaft fine shredder of claim 6, wherein: The screen (5) is provided with a hopper (6) below. The hopper (6) can receive the crushed target material.

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