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CN-224205773-U - Front-mounted cutting extrusion device for crushing wet straws

CN224205773UCN 224205773 UCN224205773 UCN 224205773UCN-224205773-U

Abstract

The utility model relates to the technical field of secondary straw processing, in particular to a front cutting extrusion device for crushing wet straws, which comprises a shell, a bidirectional reamer mechanism, a driving device and a cutting device, wherein the shell is fixedly arranged on a frame, the top of the shell is provided with a feed inlet, the bottom of the shell is provided with a discharge outlet, the bidirectional reamer mechanism is arranged in the shell and is in transmission connection with the driving device fixed on the frame, the bidirectional reamer mechanism comprises a first reamer component and a second reamer component which are opposite in rotation, the first reamer component comprises a rotatable left-handed hob, the second reamer component comprises a rotatable right-handed hob, and the left-handed hob and the right-handed hob are driven by the driving device to move in opposite directions to form rolling cutting on the straws. The preposed cutting extrusion device for crushing the wet straws solves the problems of large vibration of equipment, large impact on a cutter, easiness in abrasion and short service life in the processing and cutting process of the wet straws.

Inventors

  • LI HONGQIANG
  • PENG YIZHE
  • SUI JUN
  • LIU FENG
  • YU CHAO

Assignees

  • 东莞新能源研究院

Dates

Publication Date
20260508
Application Date
20250604

Claims (8)

  1. 1. A pre-cut extrusion device for wet straw crushing, comprising: A frame (1); The shell (2) is fixedly arranged on the frame (1), the top is provided with a feed inlet (21), and the bottom is provided with a discharge outlet (22); The bidirectional reamer mechanism (3) is arranged in the shell (2) and is in transmission connection with a driving device fixed on the frame (1), and the bidirectional reamer mechanism (3) comprises a first reamer assembly (31) and a second reamer assembly (32) which are opposite in steering; The first reamer assembly (31) comprises a rotatable left-handed hob (313), the second reamer assembly (32) comprises a rotatable right-handed hob (323), and the left-handed hob (313) and the right-handed hob (323) are driven by the driving device to move in opposite directions to form a roll cutting of straws.
  2. 2. The pre-cut extrusion apparatus for wet straw crushing as claimed in claim 1, wherein, The first reamer assembly (31) further comprises a first cutterhead (311) and a first cutter bar (312); The left-hand hob (313) is rotatably arranged on the first cutter bar (312) and can be detachably arranged on the first cutter head (311) along the radial direction of the first cutter head (311), and the first cutter head (311) is in transmission connection with the driving device; The second reamer assembly (32) further comprises a second cutterhead (321) and a second cutter bar (322); The right-hand hob (323) is rotatably arranged on the second cutter bar (322), the right-hand hob can be detachably arranged on the second cutter disc (321) along the radial direction of the second cutter disc (321), and the second cutter disc (321) is in transmission connection with the driving device.
  3. 3. The pre-cut extrusion apparatus for wet straw breaking as claimed in claim 2, wherein, The driving means comprises a first driving means (41) and a second driving means (42); The first driving device (41) is fixed on the frame (1) and is connected with the first cutterhead (311); the second driving device (42) is fixed on the frame (1) and is connected with the second cutterhead (321); The cutter comprises a first cutter head (311) and a second cutter head (321), wherein a plurality of groups of mounting holes (5) are formed in the radial direction of the cutter head and the second cutter head, a first cutter bar (312) is mounted in the mounting holes (5) of the first cutter head (311) through threaded connection, and a second cutter bar (322) is mounted in the mounting holes (5) of the second cutter head (321) through threaded connection.
  4. 4. The pre-cut extrusion apparatus for wet straw breaking according to claim 2, wherein the mounting position of the first cutter bar (312) on the first cutter head (311) and the mounting position of the second cutter bar (322) on the second cutter head (321) are configured such that an imaginary cylinder formed by the largest outer profiles of the left-hand hob (313) and the right-hand hob (323) is in a tangential or small gap state.
  5. 5. The pre-cut extrusion apparatus for wet straw crushing according to claim 1, further comprising a rolling mechanism (6) and a third driving means (7); the rolling mechanism (6) is arranged at the bottom of the shell (2) and is positioned between the two-way reamer mechanism (3) and the discharge hole (22), and the third driving device (7) can drive the rolling mechanism (6) to rotate so as to extrude cut straws.
  6. 6. The pre-cut extrusion apparatus for wet straw crushing according to claim 5, wherein the rolling mechanism (6) comprises a first press roll (61) and a second press roll (62) arranged parallel to each other, a gap being present between the first press roll (61) and the second press roll (62) and being connected by a gear transmission, said gap being for passing cut straw.
  7. 7. The pre-cutting extrusion apparatus for wet straw crushing according to claim 6, wherein the first press roller (61) or the second press roller (62) is connected to the third driving device (7) through a belt transmission, and the third driving device (7) is installed above a fixed plate at the bottom of the frame (1) through a linear damper (8).
  8. 8. The pre-cutting extrusion apparatus for wet straw crushing as claimed in claim 1, wherein the housing (2) is provided with a shutter which can be opened and closed.

Description

Front-mounted cutting extrusion device for crushing wet straws Technical Field The utility model relates to the technical field of secondary straw processing, in particular to a front-end cutting extrusion device for wet straw crushing. Background As traditional agricultural waste, the straw is used for long-term treatment problems such as incineration pollution, low-efficiency composting and the like. In recent years, the secondary processing technology of the straw converts the straw into high-added-value products such as biomass fuel, biogas, organic fertilizer and the like through means of physical compression, pyrolysis gasification, biological fermentation and the like. In the process of industrially treating the straw, a large amount of straw is generally required, and the straw has small density and large volume. In the process of transferring a large amount of straws, the straws are preferably cut off and crushed in advance, so that the handling and storage of the straws are facilitated. But in the earlier stage of straw collection, the straw water content of field plot is great, and traditional straw breaker adopts one-way fixed rotatory cutter, when the great straw of cutting humidity, exists great vibration, and frequent winding, card die have further aggravated the wearing and tearing of cutting edge, seriously influence the smoothness nature of course of working, and equipment working cutter life is too short. Disclosure of utility model First, the technical problem to be solved The utility model provides a front cutting extrusion device for crushing wet straws, which aims to solve the problems of large vibration of equipment, large impact on a cutter, easiness in abrasion and short service life in the processing and cutting process of the wet straws. (II) technical scheme In order to achieve the above object, the present utility model provides a pre-cutting extrusion device for wet straw crushing, comprising: A frame; The shell is fixedly arranged on the frame, the top of the shell is provided with a feed inlet, and the bottom of the shell is provided with a discharge outlet; The bidirectional reamer mechanism is arranged in the shell and is in transmission connection with a driving device fixed on the frame, and comprises a first reamer assembly and a second reamer assembly which are opposite in steering; The first reamer assembly comprises a rotatable left-handed hob, the second reamer assembly comprises a rotatable right-handed hob, and the left-handed hob and the right-handed hob are driven by the driving device to move in opposite directions to form a roll cutting of straws. The further technical scheme is that the first reamer assembly further comprises a first cutter head and a first cutter bar; the left-handed hob is rotatably arranged on the first cutter bar and can be detachably arranged on the first cutter head along the radial direction of the first cutter head, and the first cutter head is in transmission connection with the driving device; the second reamer assembly further comprises a second cutter head and a second cutter bar; the right-handed hob is rotatably arranged on the second cutter bar, the right-handed hob can be detachably arranged on the second cutter disc along the radial direction of the second cutter disc, and the second cutter disc is in transmission connection with the driving device. The further technical scheme is that the driving device comprises a first driving device and a second driving device; the first driving device is fixed on the frame and is connected with the first cutterhead; The second driving device is fixed on the frame and is connected with the second cutterhead; the cutter comprises a first cutter head and a second cutter head, wherein a plurality of groups of mounting holes are formed in the first cutter head and the second cutter head along the radial direction of the first cutter head, the first cutter bar is mounted in the mounting holes of the first cutter head through threaded connection, and the second cutter bar is mounted in the mounting holes of the second cutter head through threaded connection. The mounting position of the first cutter bar on the first cutter head and the mounting position of the second cutter bar on the second cutter head are configured in a state that an imaginary cylinder formed by the maximum outer contours of the left-hand hob and the right-hand hob is tangential or in a small gap. The further technical scheme is that the rolling machine further comprises a rolling mechanism and a third driving device; The roller press mechanism is arranged at the bottom of the shell and is positioned between the two-way reamer mechanism and the discharge hole, and the third driving device can drive the roller press mechanism to rotate so as to extrude cut straws. The further technical scheme is that the rolling mechanism comprises a first press roller and a second press roller which are arranged in parallel, a gap exists bet