Straw smashing device

Abstract

The utility model relates to the technical field of straw smashing, and discloses a straw smashing device which comprises a processing barrel and a smashing mechanism arranged in the processing barrel, a plurality of supporting legs are fixedly installed at the bottom of the processing barrel, a fixing cover is fixedly installed on the lower portion of the processing barrel, the fixing cover is communicated with the processing barrel, a mesh screen is arranged at the communication position, and the supporting legs are fixedly installed on the fixing cover. The smashing mechanism comprises a driving motor, a connecting disc, a fixing shaft and two sets of tool bits, the driving motor is fixedly installed at the center of the bottom of the treatment barrel, an output shaft of the driving motor penetrates into the treatment barrel, the connecting disc is arranged on the output shaft of the driving motor, the fixing shaft is fixedly installed on the connecting disc, and the tool bits are fixedly installed on the fixing shaft. And the two groups of tool bits are fixedly mounted on the fixed shaft. The utility model relates to a straw smashing device, and aims to solve the problems that when an existing straw smashing device is used, large straw fragments can be accumulated on the lower portion of a smashing machine, the smashing effect is affected, the smashing efficiency is reduced, the device is possibly blocked, and the maintenance cost is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to straw smashing technical field, concretely relates to a straw smashing device. BACKGROUND

[0002] With the acceleration of agricultural modernization process in our country, the utilization rate of crop straw as an important resource in agricultural production has been low. A large amount of straw is randomly stacked or burned, which not only wastes valuable biomass energy, but also causes serious pollution to the environment. As an effective straw processing equipment, straw pulverizer can convert straw into fertilizer, feed, fuel and other resources, which has significant economic and social benefits. The pulverized straw is mixed with peat, perlite, vermiculite and other matrix materials, and is prepared into seedling substrate according to a certain proportion, which has good air permeability, water retention and fertilizer retention, and can provide suitable environment for the growth of seedlings of horticultural plants and promote the healthy growth of seedlings.

[0003] Although the existing straw pulverizer is continuously improved in design and function, it still faces some challenges in actual use. One of the main problems is that larger straw pieces will accumulate in the lower part of the pulverizer, affecting the pulverizing effect, not only reducing the pulverizing efficiency, but also possibly causing equipment blockage and increasing maintenance costs. Therefore, we propose a straw pulverizing device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at: solve the existing straw pulverizing device when using, larger straw pieces will accumulate in the lower part of the pulverizer, affect the pulverizing effect, not only reduce the pulverizing efficiency, still can cause equipment blockage, increase the problem of maintenance cost.

[0005] In order to realize the above technical purpose, the utility model adopts the following technical scheme:

[0006] A kind of straw pulverizing device, including processing bucket and the pulverizing mechanism being arranged in processing bucket interior, the bottom of the processing bucket is fixedly installed with multiple support legs, the lower part of the processing bucket is fixedly installed with fixed cover, the fixed cover is communicated with processing bucket, and screen is arranged at the communicating portion, the pulverizing mechanism includes drive motor, connecting disc, fixed shaft and two groups of tool bits, the drive motor is fixedly installed at the bottom center of processing bucket, the output shaft of the drive motor penetrates to the interior of processing bucket, the connecting disc is arranged on the output shaft of drive motor, the fixed shaft is fixedly installed on connecting disc, two groups of tool bits are fixedly installed on fixed shaft, two groups of tool bits are staggered and arranged at intervals upwards and downwards, a plurality of groups of poking mechanisms that can push the straw pieces in the lower part of processing bucket upwards are arranged on the connecting disc.

[0007] Further limit, the dial mechanism includes the rotating shaft and a plurality of interval uniform fixed installation dial plate on the rotating shaft, the rotating shaft is rotatably installed on the connecting disc, the lower end of the connecting disc is provided with an annular groove and an installation slot communicated with the annular groove, the end of the rotating shaft is fixedly installed with a first bevel gear, the first bevel gear is rotatably installed in the installation slot, the inner wall bottom of the processing barrel is fixedly installed with a second bevel gear, the second bevel gear is engaged with the first bevel gear of a plurality of dial mechanisms, and the second bevel gear is located in the annular groove.The structure design, when the connecting disc rotates, the first bevel gear cooperates with the second bevel gear, drives the rotating shaft and dial plate to rotate, can be up to the straw block in the lower part of the processing barrel, can make the crushing more completely.

[0008] Further limit, the connecting disc is fixedly installed with a plurality of fixed baffles, and the plurality of fixed baffles are staggered with the plurality of dial mechanisms, the end of the fixed baffle is fixedly installed with an inclined scraper, and the inclined scraper is made of elastic rubber material.The structure design, the inclined scraper can scrape the attached block on the screen to prevent the larger straw block from blocking the screen.

[0009] Further limit, the processing barrel is composed of an upper cylinder body and a lower barrel body, and the upper cylinder body and the lower cylinder body are fixedly connected through a plurality of locks.The structure design is simple in structure and convenient to use.

[0010] Further limit, the lower end of the connecting disc is provided with a slot matched with the output shaft of the driving motor, the connecting disc is provided with a threaded groove communicated with the slot, the threaded groove is threadedly connected with a locking bolt, the end of the locking bolt extends into the slot, and the output shaft of the driving motor is provided with a locking groove matched with the end of the locking bolt.The structure design is convenient for dismounting, mounting, maintaining and cleaning the connecting disc part through the locking bolt.

[0011] Further limit, the lower end of the plurality of supporting legs is fixedly installed with an anti-skid block, and the anti-skid block is made of rubber material.The structure design can increase the contact area and friction between the supporting leg and the ground, so that more stable support is provided.

[0012] The utility model adopting the above technical scheme has the following advantages:

[0013] The utility model discloses a straw crushing machine, which comprises a processing barrel, a driving motor, a fixed shaft, two groups of cutter heads and a dial mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings.

[0015] Figure 1 It is a structure schematic view of the straw smashing device of the utility model;

[0016] Figure 2 It is a structure schematic view of the upper cylinder separation state in the straw smashing device of the utility model;

[0017] Figure 3 It is a structure schematic view of the connecting disc part and the driving motor output shaft separation state in the straw smashing device of the utility model;

[0018] Figure 4 It is a sectional structure schematic view of the straw smashing device of the utility model;

[0019] Figure 5 It is Figure 4 It is an enlarged structure schematic view of A in the middle;

[0020] Figure 6 It is a structure schematic view of the smashing mechanism and the poking mechanism part in the straw smashing device of the utility model.

[0021] The following is the explanation of main element symbols:

[0022] 1, processing bucket;

[0023] 11, supporting leg; 111, anti-skid block;

[0024] 12, fixed cover; 13, mesh screen;

[0025] 2, smashing mechanism; 21, driving motor;

[0026] 22, connecting disc; 221, annular groove; 222, installation slot; 223, insertion slot;

[0027] 23, fixed shaft; 24, cutter head;

[0028] 3, poking mechanism;

[0029] 31, rotating shaft; 311, first bevel gear;

[0030] 32, poking plate;

[0031] 4, second bevel gear;

[0032] 5, fixed baffle; 51, inclined scraper. DETAILED DESCRIPTION

[0033] The utility model will be carried out detailed description in combination with the drawings and specific embodiment, it is to explain that, in the drawing or the description, similar or same part all uses same figure number, the implementation mode that is not drawn or described in the drawing, the form that is known to ordinary skilled in the art. In addition, the direction language mentioned in the embodiment, for example "up", "down", "top", "bottom", "left", "right", "front", "back" and so on, only refer to the direction of the drawing, and not be used to limit the protection scope of the utility model.

[0034] As Figures 1-6 The utility model discloses a straw smashing device, including processing bucket 1 and the smashing mechanism 2 of setting in processing bucket 1 inside, the bottom fixed mounting of processing bucket 1 has a plurality of support legs 11, the lower end fixed mounting of a plurality of support legs 11 has antiskid block 111, and antiskid block 111 is rubber material, and antiskid block 111 can increase the contact area and friction between support leg 11 and ground, to make the support of processing bucket 1 more stable, and the lower fixed mounting of processing bucket 1 has fixed cover 12, and fixed cover 12 is linked with processing bucket 1, and is equipped with screen 13 at the intercommunication, and the smashing mechanism 2 includes drive motor 21, connecting disc 22, fixed shaft 23 and two groups of tool bit 24, and drive motor 21 is fixedly installed at the bottom center of processing bucket 1, and the output shaft of drive motor 21 penetrates to the inside of processing bucket 1, and connecting disc 22 is arranged on the output shaft of drive motor 21, and fixed shaft 23 is fixedly installed on connecting disc 22, and two groups of tool bit 24 are fixedly installed on fixed shaft 23, and two groups of tool bit 24 are staggered and set up in an upper and lower interval, and a plurality of groups of poking mechanism 3 that can push the straw broken pieces in the lower part of processing bucket 1 upward are arranged on connecting disc 22.

[0035] Poking mechanism 3 includes pivot 31 and a plurality of interval uniform fixed installations poking plate 32 on pivot 31, and pivot 31 is rotatably installed on connecting disc 22, and the lower end of connecting disc 22 is provided with annular recess 221 and installation slot 222 that are communicated with annular recess 221, and the end of pivot 31 is fixedly installed with first bevel gear 311, and first bevel gear 311 is rotatably installed in installation slot 222, and the inner wall bottom of processing bucket 1 is fixedly installed with second bevel gear 4, and second bevel gear 4 is engaged with the first bevel gear 311 of a plurality of groups of poking mechanism 3, and second bevel gear 4 is located in annular recess 221.

[0036] A plurality of groups of fixed baffle 5 are fixedly installed on connecting disc 22, and a plurality of groups of fixed baffle 5 are staggered with a plurality of groups of poking mechanism 3, and the end of fixed baffle 5 is fixedly installed with inclined scraper 51, and inclined scraper 51 is elastic rubber material, can scrape the larger straw broken pieces attached on screen 13 at the same time, and has the protection effect to screen 13, to avoid that screen 13 is scratched.

[0037] The processing barrel 1 is composed of an upper barrel body and a lower barrel body, and the upper barrel body and the lower barrel body are fixedly connected through a plurality of buckles, so that the upper barrel body and the lower barrel body can be separated or assembled, when separated, the structures inside the processing barrel 1 can be exposed to facilitate maintenance and cleaning, and when assembled, the incoming straw can be guided to accommodate more straw pieces, a lower end of the connecting disc 22 is provided with a plug groove 223 matched with an output shaft of the driving motor 21, a threaded groove in communication with the plug groove 223 is formed in the connecting disc 22, a locking bolt is threadedly connected in the threaded groove, and an end of the locking bolt extends into the plug groove 223, and the output shaft of the driving motor 21 is provided with a locking groove matched with the end of the locking bolt.

[0038] The use method of the utility model is as follows:

[0039] In use, the straw is placed in the processing barrel 1, the driving motor 21 is operated, the connecting disc 22 and the fixed shaft 23 are driven to rotate, and the two groups of tool bits 24 are moved to cut and crush the straw in the processing barrel 1;

[0040] When the connecting disc 22 rotates, the fixed baffle 5 scrapes the straw at the lower part of the processing barrel 1 to prevent the straw pieces from adhering to the inner wall bottom of the processing barrel 1, and the inclined scraper 51 scrapes off the adhered straw pieces on the mesh screen 13 to avoid the straw pieces from blocking the mesh screen and affecting the output of the raw materials;

[0041] Meanwhile, with the rotation of the connecting disc 22, the first bevel gear 311 in the mounting groove 222 moves relative to the second bevel gear 4 at the center of the inner wall bottom of the processing barrel 1, the first bevel gear 311 rotates to drive the rotating shaft 31 and the push plate 32 to rotate at the lower part of the processing barrel 1, so that the straw pieces at the lower part of the processing barrel 1 are pushed upwards to avoid the accumulation of the straw pieces at the lower part of the processing barrel 1 and affect the crushing effect of the straw crushing device;

[0042] When the straw pieces are crushed into pieces meeting the requirements, the straw pieces are pushed outwards through the mesh screen 13 and the fixed cover 12 under the pushing of the fixed baffle 5 and the inclined scraper 51, and the output can be collected at the end of the fixed cover 12, the crushed straw and other matrix materials such as peat, perlite and vermiculite are mixed in a certain proportion to prepare a seedling substrate with good air permeability, water retention and fertilizer retention, the whole device is convenient to use, the straw crushing efficiency is improved, and the device is convenient to clean and maintain.

[0043] The straw crushing device is described in detail. The specific embodiment is only used to help understand the method and the core idea of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the principle of the utility model, the utility model can be improved and modified, and these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. A straw crushing device, comprising a processing barrel (1) and a crushing mechanism (2) arranged inside the processing barrel (1), a plurality of supporting legs (11) are fixedly installed at the bottom of the processing barrel (1), a fixed cover (12) is fixedly installed at the lower part of the processing barrel (1), the fixed cover (12) is communicated with the processing barrel (1), and a mesh screen (13) is arranged at the communication position, the crushing mechanism (2) comprises a driving motor (21), a connecting disc (22), a fixed shaft (23) and two groups of cutter heads (24), the driving motor (21) is fixedly installed at the center of the bottom of the processing barrel (1), the output shaft of the driving motor (21) penetrates into the inside of the processing barrel (1), the connecting disc (22) is arranged on the output shaft of the driving motor (21), the fixed shaft (23) is fixedly installed on the connecting disc (22), and two groups of the cutter heads (24) are fixedly installed on the fixed shaft (23); the two groups of cutter heads (24) are staggered and arranged in an upper and lower interval, characterized in that: A plurality of groups of poking mechanisms (3) are arranged on the connecting disc (22) to push the lower straw pieces in the processing barrel (1) upward.

2. The straw pulverizing device according to claim 1, characterized in that: The poking mechanism (3) comprises a rotating shaft (31) and a plurality of poking plates (32) fixedly and uniformly spaced apart on the rotating shaft (31), the rotating shaft (31) is rotatably installed on the connecting disc (22), the lower end of the connecting disc (22) is provided with an annular groove (221) and an installation groove (222) in communication with the annular groove (221), the end of the rotating shaft (31) is fixedly provided with a first bevel gear (311), the first bevel gear (311) is rotatably installed in the installation groove (222), the inner wall bottom of the processing barrel (1) is fixedly provided with a second bevel gear (4), the second bevel gear (4) is engaged with the first bevel gear (311) of the plurality of groups of poking mechanisms (3), and the second bevel gear (4) is located in the annular groove (221).

3. The straw pulverizing device according to claim 1, characterized in that: A plurality of groups of fixed baffles (5) are fixedly installed on the connecting disc (22), the plurality of groups of fixed baffles (5) are staggered with the plurality of groups of poking mechanisms (3), the end of the fixed baffle (5) is fixedly provided with an inclined scraper (51), and the inclined scraper (51) is made of elastic rubber.

4. The straw pulverizing device according to claim 1, characterized in that: The processing barrel (1) is composed of an upper barrel body and a lower barrel body, and the upper barrel body and the lower barrel body are fixedly connected through a plurality of buckles.

5. The straw pulverizing device according to claim 1, characterized in that: The lower end of the connecting disc (22) is provided with a plug groove (223) matched with the output shaft of the driving motor (21), the connecting disc (22) is provided with a threaded groove in communication with the plug groove (223), the threaded groove is threadedly connected with a locking bolt, the end of the locking bolt extends into the plug groove (223), and the output shaft of the driving motor (21) is provided with a locking groove matched with the end of the locking bolt.

6. The straw pulverizing device according to claim 1, characterized in that: The lower end of the plurality of support legs (11) is fixedly provided with an anti-skid block (111), and the anti-skid block (111) is made of rubber.

Images