Hammering type multi-cavity pulverizer

Abstract

The utility model belongs to the technical field of traditional Chinese medicinal material treatment equipment, and particularly relates to a hammering type multi-cavity pulverizer which comprises a machine body and pulverizing chambers arranged on the machine body, pulverizing assemblies are arranged in the pulverizing chambers, more than two pulverizing chambers are vertically distributed, and every two vertically adjacent pulverizing chambers are communicated through a discharging channel. A feeding channel is formed in the topmost crushing chamber, a discharging channel is formed in the bottommost crushing chamber, filter screen sets are arranged between every two vertically-adjacent crushing chambers and between the bottommost crushing chamber and the discharging channel, and screen holes of the filter screen sets are reduced one by one from top to bottom. According to the utility model, a structure of a plurality of crushing chambers is adopted, materials are crushed in each layer of crushing chamber in sequence from top to bottom in a shorter time, and particles of the materials are thinned layer by layer, so that the materials with larger particles are prevented from colliding with the filter screen group with smaller screen holes, and the service life of the filter screen group is further effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to traditional Chinese medicinal material processing equipment technical field, especially hammering type multi-cavity pulverizer. BACKGROUND

[0002] The prior art Chinese utility model patent (authorization announcement number CN205700813) discloses a breaking hammer and hammering type pulverizer, which comprises a hammer body, a connecting shaft and a connecting rod for connecting the hammer body and the connecting shaft, the connecting shaft comprises: a main shaft body; a containing groove is arranged on the main shaft body along the central axis direction of the main shaft body; a secondary shaft body is movably sleeved in the containing groove and moves along the central axis direction of the main shaft body; and a limiting mechanism is used for preventing the secondary shaft body from sliding out of the containing groove.

[0003] However, since the material needs to be broken into relatively fine particle size, the material needs to collide and rebound between the breaking hammer and the grid for a long time to pass through the grid during operation, and the filter hole of the grid is small and the overall strength is low, so that the large-particle material collides with the grid at high speed in the pulverizing chamber, which can cause the grid to easily deform and bend, affect the material discharge rate, and also need to frequently replace the grid, further limit the working efficiency of the equipment and increase the maintenance cost. SUMMARY

[0004] The utility model discloses a kind of hammering type multi-cavity pulverizer, which adopts multiple pulverizing chamber structure, material is sequentially broken in each layer pulverizing chamber with shorter time from top to bottom, and the particle size of material is gradually finer layer by layer, avoid the collision of large-particle material with filter screen group with smaller screen hole, and then effectively protect the service life of filter screen group.

[0005] The utility model is realized as follows:

[0006] The utility model provides a kind of hammering multi-cavity pulverizer, including organism, and be set on the organism pulverizing chamber, be equipped with pulverizing assembly in pulverizing chamber, the pulverizing chamber is distributed with two or more along up and down, and the adjacent two pulverizing chambers between up and down are communicated by discharging channel, the topmost pulverizing chamber is opened with the feeding channel of being communicated with outside, the bottommost pulverizing chamber is opened with the discharge channel of being communicated with outside, the adjacent two pulverizing chambers between up and down, and the bottommost pulverizing chamber and discharge channel between are provided with the filter screen group for screening material particle size, and the screen hole of filter screen group is reduced gradually from top to bottom.

[0007] In the above-mentioned hammering multi-cavity pulverizer, the bottommost pulverizing chamber is provided with an annular working support, the pulverizing assembly is coaxially arranged in the annular working support, an arc-shaped tooth disc capable of cooperating with the pulverizing assembly is arranged on the annular working support, the filter screen group comprises an arc-shaped filter screen arranged on the annular working support, the arc-shaped filter screen, the arc-shaped tooth disc and the annular working support form a partition structure for separating the pulverizing chamber into inner and outer parts, and the corresponding ports of the discharging channel and the discharge channel are arranged on the inner ring side and the outer ring side of the annular working support.

[0008] In the above-mentioned hammering multi-cavity pulverizer, the annular working support comprises a front ring body and a rear ring body fixed on the pulverizing chamber, the two end surfaces of the arc-shaped tooth disc are connected to the corresponding end surfaces of the front ring body and the rear ring body by fasteners, arc-shaped insertion holes corresponding in position are formed on the front ring body and the rear ring body around the circumferences thereof, and the two end portions of the arc-shaped filter screen are inserted into the corresponding arc-shaped insertion holes.

[0009] In the above-mentioned hammering multi-cavity pulverizer, the arc-shaped filter screen and the arc-shaped tooth disc are arranged in two or more, and the arc-shaped filter screen and the arc-shaped tooth disc are circumferentially staggered.

[0010] In the above-mentioned hammering multi-cavity pulverizer, the pulverizing assembly comprises a power shaft rotatably arranged in the corresponding pulverizing chamber, a linkage frame is sleeved on the power shaft, two or more hammers are circumferentially and uniformly arranged on the linkage frame, the inner ends of the hammers are hingedly connected to the linkage frame, and the outer ends of the hammers are free ends and naturally hang down.

[0011] In the above-mentioned hammering multi-cavity pulverizer, the rotational speed of the power shaft in the pulverizing chamber of the upper layer is slower than the rotational speed of the power shaft in the pulverizing chamber of the lower layer.

[0012] In the above-mentioned hammering multi-cavity pulverizer, the pulverizing chambers except the bottommost one are circular in structure and are provided with arc-shaped tooth discs capable of cooperating with the pulverizing assembly on the inner walls thereof, and the filter screen group comprises a discharging screen covering the port of the corresponding discharging channel.

[0013] In the hammer type multi-cavity crusher, the crushing chambers are distributed vertically on the machine body.

[0014] Or the crushing chambers are distributed in an inclined direction on the machine body.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The utility model discloses a reasonable in design, need not frequently change filter screen group and maintenance cost is lower, adopt multiple crushing chamber structure, material is completed in each layer crushing chamber in short time from top to bottom, and the particle size of material is gradually thin in layer, avoid the material of bigger particle size to collide the filter screen group of smaller filter screen, and then effectively protect the service life of filter screen group. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole machine perspective view of crushing chamber open state of the embodiment one of the utility model;

[0018] Figure 2 It is the whole machine sectional view of the utility model's embodiment one;

[0019] Figure 3 It is the whole machine perspective view of the embodiment two of the utility model.

[0020] In the drawing: 1, machine body; 2, discharging channel; 3, feeding channel; 4, discharging channel; 5, annular operation support; 6, arc-shaped toothed disc; 7, arc-shaped filter screen; 8, front ring body; 9, rear ring body; 10, arc-shaped plug-in through hole; 11, power rotating shaft; 12, linkage frame; 13, hammer body; 14, discharging screen. DETAILED DESCRIPTION

[0021] The utility model will be further described with specific embodiments, referring to Figure 1 -3:

[0022] Embodiment one:

[0023] A hammer type multi-cavity crusher, including machine body 1 and the crushing chamber of setting on machine body 1, be equipped with crushing assembly in the crushing chamber, the crushing chamber is distributed two or more along up and down, and the adjacent two crushing chambers of up and down are communicated through discharging channel 2, the topmost layer crushing chamber is opened on and set up feeding channel 3 with the communication of outside, the bottommost layer crushing chamber is opened on and set up discharging channel 4 with the communication of outside, and the adjacent two crushing chambers of up and down and the bottommost layer crushing chamber and discharging channel 4 between are provided with filter screen group for screening the particle size of material, and the screen hole of filter screen group is reduced gradually from top to bottom.

[0024] The utility model discloses a reasonable design, does not need to frequently change filter screen group and maintenance cost is lower, adopt multiple crushing chamber structure, and material is completed in each layer crushing chamber in short time from top to bottom in turn and the particle size of material is gradually thin layer by layer, avoid the material of bigger particle size to collide with the filter screen group of smaller filter screen, and further effectively protect the service life of filter screen group.

[0025] Further, in order to enable the material to be quickly discharged from the discharge channel 4, the bottom layer of the crushing chamber is provided with an annular operation support 5, the crushing assembly is coaxially arranged in the annular operation support 5, the annular operation support 5 is provided with an arc-shaped tooth disc 6 capable of being broken with the crushing assembly, the filter screen group comprises an arc-shaped filter screen 7 arranged on the annular operation support 5, the arc-shaped filter screen 7, the arc-shaped tooth disc 6 and the annular operation support 5 form a partition structure of the crushing chamber, and the corresponding ports of the discharge channel 2 and the discharge channel 4 are arranged on the inner ring side and the outer ring side of the annular operation support 5. Meanwhile, the arc-shaped filter screen 7 and the arc-shaped tooth disc 6 are provided with two or more than two, and the arc-shaped filter screen 7 and the arc-shaped tooth disc 6 are circumferentially staggered. That is, the circumferential area of the arc-shaped filter screen 7 is increased, the material can be quickly thrown to the outer ring side of the annular operation support 5 in the circumferential direction, and then discharged from the discharge channel 4.

[0026] Further, in order to facilitate the assembly and replacement and disassembly of the arc-shaped filter screen 7, the annular operation support 5 comprises a front ring body 8 and a rear ring body 9 distributed in front and back, the arc-shaped tooth disc 6 is connected to the corresponding end faces of the front ring body 8 and the rear ring body 9 through fasteners, arc-shaped plug-in through holes 10 corresponding in position are formed on the front ring body 8 and the rear ring body 9 in the circumferential direction, and the two ends of the arc-shaped filter screen 7 are inserted into the corresponding arc-shaped plug-in through holes 10.

[0027] Further, in the embodiment, the specific structure of the crushing assembly is that the crushing assembly comprises a power rotating shaft 11 rotatably arranged in the corresponding crushing chamber, the power rotating shaft 11 is sleeved with a linkage frame 12, two or more than two hammer bodies 13 are circumferentially and uniformly arranged on the linkage frame 12, the inner end of the hammer body 13 is hingedly connected to the linkage frame 12, and the outer end is a free end and naturally falls.

[0028] Considering that the particle size of the material in the upper layer of the crushing chamber is greater than that in the lower layer of the crushing chamber, in order to efficiently crush the material, the rotating speed of the power rotating shaft 11 in the upper layer of the crushing chamber is slower than that in the lower layer of the crushing chamber. The power rotating shaft 11 in each layer of the crushing chamber can be driven to rotate by a driving motor respectively, or a gear box can be used to drive the power rotating shafts 11 of multiple layers of the crushing chamber to rotate simultaneously by a single driving motor.

[0029] Meanwhile, the filter screen group in the other layers of the crushing chamber can be designed as the bottom layer of the crushing chamber, and in the embodiment, the crushing chamber other than the bottom layer is in a circular structure and is provided with an arc-shaped tooth disc 6 on the inner wall, which can be broken by the crushing assembly, and the filter screen group corresponding to the crushing chamber includes a discharging screen 14 covering the port of the discharging channel 2.

[0030] In the embodiment, the crushing chambers are distributed on the machine body 1 in an inclined direction.

[0031] Embodiment two:

[0032] The embodiment is basically the same as the above-mentioned embodiment one, and the main difference is that the crushing chambers are distributed on the machine body 1 in a vertical direction. That is, the vertical distribution can make the material quickly fall, and the device will vibrate when working, so as to further promote the falling of the material.

[0033] The above-mentioned embodiment is only one of the preferred embodiments of the present application, and does not limit the scope of the present application, so that: any equivalent changes made according to the shape, structure and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A hammer-type multi-chamber pulverizer, comprising a body (1) and a pulverizing chamber disposed on the body (1), wherein a pulverizing component is disposed within the pulverizing chamber, characterized in that: The crushing chambers are distributed vertically in two or more ways, and the two adjacent crushing chambers are connected by a feeding channel (2). The top crushing chamber has a feeding channel (3) connected to the outside, and the bottom crushing chamber has a discharge channel (4) connected to the outside. Filter screens for screening the particle size of materials are provided between the two adjacent crushing chambers and between the bottom crushing chamber and the discharge channel (4). The screen holes of the filter screens gradually decrease from top to bottom.

2. The hammer-type multi-chamber pulverizer according to claim 1, characterized in that: The bottommost crushing chamber is provided with an annular working support (5). The corresponding crushing component is located in the annular working support (5) and is coaxially arranged. The annular working support (5) is provided with an arc-shaped toothed disc (6) that can cooperate with the crushing component for crushing. The corresponding filter screen group includes an arc-shaped filter screen (7) arranged on the annular working support (5). The arc-shaped filter screen (7), the arc-shaped toothed disc (6) and the annular working support (5) form a partition structure that separates the inner and outer crushing chambers. The corresponding ports of the feeding channel (2) and the discharge channel (4) are distributed on the inner and outer ring sides of the annular working support (5).

3. The hammer-type multi-chamber pulverizer according to claim 2, characterized in that: The annular working support (5) includes a front ring body (8) distributed front and rear, and a rear ring body (9) fixed on the crushing chamber. The two ends of the arc-shaped toothed disc (6) are respectively connected to the corresponding end faces of the front ring body (8) and the rear ring body (9) by fasteners. The front ring body (8) and the rear ring body (9) are provided with corresponding arc-shaped insertion holes (10) around their circumference. The two ends of the arc-shaped filter screen (7) are inserted into the corresponding arc-shaped insertion holes (10) at the front and rear.

4. A hammer-type multi-chamber pulverizer according to claim 2 or 3, characterized in that: There are two or more of the arc-shaped filter (7) and the arc-shaped toothed disk (6), and the arc-shaped filter (7) and the arc-shaped toothed disk (6) are circumferentially staggered.

5. A hammer-type multi-chamber pulverizer according to claim 1, characterized in that: The crushing assembly includes a power shaft (11) rotatably fitted in the corresponding crushing chamber. A linkage frame (12) is mounted on the power shaft (11). Two or more hammers (13) are evenly distributed circumferentially on the linkage frame (12). The inner end of the hammer (13) is hinged to the linkage frame (12), and the outer end is a free end that hangs down naturally.

6. A hammer-type multi-chamber pulverizer according to claim 5, characterized in that: The rotational speed of the power shaft (11) in the upper-level crushing chamber is slower than that of the power shaft (11) in the lower-level crushing chamber.

7. A hammer-type multi-chamber pulverizer according to claim 1, characterized in that: The crushing chamber outside the bottom layer has a circular structure and its inner wall is provided with an arc-shaped toothed disc (6) that can cooperate with the crushing component. The corresponding filter screen group includes a feeding screen (14) covering the port of the corresponding feeding channel (2).

8. A hammer-type multi-chamber pulverizer according to claim 1, characterized in that: The pulverizing chambers are distributed vertically on the machine body (1); Alternatively, the crushing chambers may be distributed along an inclined direction on the body (1).

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