CN209901465U

CN209901465U - Quick reducing mechanism

Info

Publication number: CN209901465U
Application number: CN201920439546.5U
Authority: CN
Inventors: 王莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-07
Anticipated expiration: 2029-04-03

Abstract

The utility model relates to a rapid crushing device, which comprises a conveying chamber and a crushing chamber, wherein a spiral shaft is arranged in the conveying chamber in a rotating way, a first spiral blade is arranged at one end of the spiral shaft, a second spiral blade is arranged at the other end of the spiral shaft, and the rotating directions of the first spiral blade and the second spiral blade are opposite; two cutters are fixed in the middle of the spiral shaft; a first inlet and a second inlet are respectively arranged at two ends of the conveying chamber, and a blanking port is arranged on the conveying chamber; two crushing cutters which are rolled in pairs are arranged in the crushing chamber, and the crushing cutters are positioned below the blanking port; a screen is arranged in the crushing chamber; the bottom of the crushing chamber is provided with a discharge hole; the lower part of the conveying chamber is provided with two fixed knives which are arranged at intervals, and the fixed knives are arranged on the side part of the blanking port; the fixed cutter is matched with the cutting knife; and a reinforcing plate is arranged on the conveying chamber corresponding to the position of the fixed knife. The utility model relates to a quick reducing mechanism has two-stage crushing function, can realize smashing the traditional chinese medicine straw fast, and has simple structure, easy dismounting, low in manufacturing cost smashes advantage such as effectual.

Description

Quick reducing mechanism

Technical Field

The utility model relates to a quick reducing mechanism belongs to and smashes equipment technical field.

Background

The crushing device is equipment for crushing straw articles. The traditional Chinese medicines are crushed and are convenient to prepare a medicine bag, and the traditional Chinese medicines are also convenient to decoct into medicinal materials. When the traditional pulverizer is used for pulverizing medicinal materials, the defects of incomplete pulverization, low pulverization efficiency and the like exist. Some of the crushers with good crushing effect and high crushing efficiency have the defects of complex structure, high manufacturing cost and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above not enough, provide a quick reducing mechanism, have the two-stage and smash the function, can realize smashing fast to traditional chinese medicine straw, and have simple structure, easy dismounting, low in manufacturing cost smashes advantages such as effectual.

For solving the above problem, the utility model discloses a technical scheme as follows:

a rapid crushing device comprises a conveying chamber and a crushing chamber which are communicated up and down, and further comprises supporting legs arranged on the crushing chamber, wherein a spiral shaft is rotatably arranged in the conveying chamber, a first spiral blade is arranged at one end of the spiral shaft, a second spiral blade is arranged at the other end of the spiral shaft, and the rotating directions of the first spiral blade and the second spiral blade are opposite; two cutters which are arranged at intervals are fixed in the middle of the spiral shaft; a first inlet and a second inlet are respectively arranged at two ends of the upper part of the conveying chamber, a blanking port is arranged on the conveying chamber, and the blanking port is positioned below the cutter; two pairs of rolling gear-shaped crushing cutters are arranged at the upper part of the inner side of the crushing chamber and are positioned below the blanking port; the middle part of the crushing chamber is provided with an obliquely arranged screen; the bottom of the crushing chamber is provided with a discharge hole; a material return port and a cover plate covering the material return port are arranged on the side part of the crushing chamber, and the material return port is positioned at the upper side of the bottom end of the screen; the lower part of the conveying chamber is provided with two fixed knives which are arranged at intervals, and the fixed knives are arranged on the side part of the blanking port; the fixed cutter is matched with the cutting knife; and a reinforcing plate is arranged on the conveying chamber corresponding to the position of the fixed knife.

As an improvement, the first inlet and the second inlet are both provided with feed hoppers.

As an improvement, the end part of the crushing chamber is provided with a mounting seat and a motor fixed on the mounting seat, and the motor is directly connected with the spiral shaft.

As an improvement, the cutter comprises an annular fixing part and three blades uniformly distributed on the fixing part; the fixing part is formed by splicing two detachable semicircular rings; the blades of the two cutters are staggered and do not coincide.

As an improvement, the both ends of the semicircle ring of fixed part all are equipped with connecting portion, and processing has the screw on the connecting portion for the concatenation of two connecting portion.

As an improvement, the fixed knife is of an arc-shaped plate-shaped structure, and the fixed knife is installed on the inner side of the bottom wall of the conveying chamber.

As an improvement, a vibration exciter is arranged on the screen.

As an improvement, a plurality of teeth are arranged on the outer circumference of the crushing knife.

The utility model adopts the above technical scheme, compare with prior art, have following advantage:

1. the utility model has two-stage crushing function, can realize the rapid crushing of the traditional Chinese medicine straws, and has the advantages of simple structure, low manufacturing cost, good crushing effect and the like;

2. the first spiral blade and the second spiral blade are opposite in rotating direction, when the spiral shaft rotates, the first spiral blade and the second spiral blade are opposite in conveying direction of materials, and the materials at two ends are conveyed to the middle of the spiral shaft respectively. The two correspondingly arranged feed hoppers feed materials simultaneously, so that the device has high processing efficiency;

3. the fixed part of cutter is formed by two detachable semicircle rings concatenation. The two ends of the semicircular ring of the fixing part are respectively provided with a connecting part, and a screw hole is processed on the connecting part, so that the cutter can be conveniently disassembled, assembled and maintained on the screw shaft through the structural design;

4. the blades of the two cutters are arranged in a staggered mode and do not coincide with each other, so that the stress of the spiral shaft is relatively uniform when the blades cut materials;

the present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of a rapid grinding apparatus of the present invention;

FIG. 2 is a schematic side view of FIG. 1;

FIG. 3 is a schematic sectional view A-A of FIG. 1;

FIG. 4 is a schematic cross-sectional view B-B of FIG. 3;

in the figure, 1-conveying chamber, 2-crushing chamber, 3-screw shaft, 4-first screw blade, 5-second screw blade, 6-first inlet, 7-second inlet, 8-cutter, 9-blanking port, 10-crushing cutter, 11-screen, 12-discharge port, 13-supporting leg, 14-feed back port, 15-feed hopper, 16-mounting seat, 17-motor, 18-fixing part, 19-blade, 20-fixed cutter, 21-reinforcing plate, 22-connecting part, 23-vibration exciter, 24-tooth, 25-cover plate, 26-rotating shaft, 27-gear and 28-crushing motor.

Detailed Description

Examples

As shown in figures 1, 2, 3 and 4, the rapid crushing device comprises a conveying chamber 1 and a crushing chamber 2 which are communicated up and down, and a supporting leg 13 arranged on the crushing chamber 2. A screw shaft 3 is rotatably arranged in the conveying chamber 1, a first helical blade 4 is arranged at one end of the screw shaft 3, and a second helical blade 5 is arranged at the other end of the screw shaft 3. The first helical blade 4 and the second helical blade 5 are opposite in rotation direction, when the helical shaft 3 rotates, the first helical blade 4 and the second helical blade 5 are opposite in material conveying direction, and materials at two ends are conveyed to the middle position of the helical shaft 3 respectively. Two cutters 8 arranged at intervals are fixed in the middle of the spiral shaft 3. The two ends of the upper part of the conveying chamber 1 are respectively provided with a first inlet 6 and a second inlet 7, and the first inlet 6 and the second inlet 7 are both provided with a feed hopper 15. The conveying chamber 1 is provided with a blanking port 9, and the blanking port 9 is positioned below the cutter 8. The end part of the crushing chamber 2 is provided with a mounting seat 16 and a motor 17 fixed on the mounting seat 16, and the motor 17 is directly connected with the screw shaft 3.

As shown collectively in fig. 1, 2, 3 and 4, the cutter 8 includes an annular fixed portion 18 and three blades 19 uniformly distributed on the fixed portion 18. The fixing part 18 is formed by splicing two detachable semicircular rings. Both ends of the semicircular ring of the fixing portion 18 are provided with connecting portions 22, and screw holes are processed on the connecting portions 22 and used for splicing the two connecting portions 22. The structural design enables the cutter 8 to be conveniently disassembled, assembled and maintained on the screw shaft 3. When the two cutters 8 are installed, the blades 19 are arranged in a staggered manner and do not coincide with each other, and in this embodiment, the included angle between two adjacent blades 19 on the two cutters 8 is 60 °. The staggered arrangement of the blades 19 enables the screw shaft 3 to be relatively uniformly stressed when chopping material.

As shown in fig. 1 and 4, two crushing blades 10 in the form of a pair of gears are provided on the upper part of the inner side of the crushing chamber 2, and the two crushing blades 10 are located below the blanking port 9. The crushing blade 10 is provided with a plurality of teeth 24 on the outer circumference thereof. The two crushing blades 10 are rotatably mounted in the crushing chamber 2 through rotating shafts 26, respectively. The end parts of the two rotating shafts 26 are respectively provided with a gear 27, and the two gears 27 are in meshed transmission. The other end of one of the shafts 26 is directly connected to a shredder motor 28. The side wall of the crushing chamber 2 is provided with a motor base for installing a crushing motor 28. The rotation of the crushing motor 28 drives the two crushing blades 10 to be meshed and driven through the rotating shaft 26 and the gear 27, so that the material is crushed. The middle part of the crushing chamber 2 is provided with an obliquely arranged screen mesh 11, and the screen mesh 11 is provided with a vibration exciter 23. The bottom of the crushing chamber 2 is provided with a discharge port 12. The side of the crushing chamber 2 is provided with a feed back port 14 and a cover plate 25 covering the feed back port 14, and the feed back port 14 is located at the upper side of the bottom end of the screen 11. The lower part of the conveying chamber 1 is provided with two fixed knives 20 which are arranged at intervals, the fixed knives 20 are arranged at the side part of the blanking port 9, and the fixed knives 20 are matched with the cutters 8. The stationary blade 20 has an arc-shaped plate-like structure, and the stationary blade 20 is mounted on the inner side of the bottom wall of the transfer chamber 1. The conveying chamber 1 is provided with a reinforcing plate 21 at a position corresponding to the stationary blade 20. The reinforcing plate 21 has a circular arc-shaped plate-like structure.

In use, material is added to the transport chamber 1 through the feed hopper 15. The screw shaft 3 rotates, the first screw blade 4 and the second screw blade 5 respectively convey materials at two ends to the middle, and when the materials are conveyed to the position of the cutter 8, the cutter 8 rotates and cuts off the materials under the cooperation of the fixed cutter 20. The cut material falls into the crushing chamber 2 from the blanking port 9, and the material entering the crushing chamber 2 is crushed again when passing through the crushing blade 10. And finally, screening the insufficiently crushed materials by using a screen 11, and discharging qualified materials from a discharge hole 12. The insufficiently crushed material can be discharged through the return opening 14 and can be fed manually into the conveying chamber 1 through the feed hopper 15 for re-crushing.

The utility model relates to a quick reducing mechanism has two-stage crushing function, can realize smashing traditional chinese medicine straw fast, and has simple structure, low in manufacturing cost smashes advantage such as effectual.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rapid crushing device is characterized by comprising a conveying chamber (1) and a crushing chamber (2) which are communicated up and down, and further comprising supporting legs (13) arranged on the crushing chamber (2), wherein a spiral shaft (3) which is rotatably arranged is arranged in the conveying chamber (1), one end of the spiral shaft (3) is provided with a first spiral blade (4), the other end of the spiral shaft is provided with a second spiral blade (5), and the rotating directions of the first spiral blade (4) and the second spiral blade (5) are opposite; two cutters (8) which are arranged at intervals are fixed in the middle of the spiral shaft (3);

a first inlet (6) and a second inlet (7) are respectively arranged at two ends of the upper part of the conveying chamber (1), a blanking port (9) is arranged on the conveying chamber (1), and the blanking port (9) is positioned below the cutter (8); the upper part of the inner side of the crushing chamber (2) is provided with two rolling gear-shaped crushing knives (10), and the two crushing knives (10) are positioned below the blanking port (9); the middle part of the crushing chamber (2) is provided with an obliquely arranged screen (11); a discharge hole (12) is formed at the bottom of the crushing chamber (2); a material return port (14) and a cover plate (25) covering the material return port (14) are arranged on the side part of the crushing chamber (2), and the material return port (14) is positioned at the upper side position of the bottom end of the screen (11);

the lower part of the conveying chamber (1) is provided with two fixed knives (20) which are arranged at intervals, and the fixed knives (20) are arranged on the side part of the blanking port (9); the fixed cutter (20) is matched with the cutting cutter (8); a reinforcing plate (21) is arranged on the conveying chamber (1) corresponding to the position of the fixed knife (20).

2. A rapid comminution apparatus as in claim 1 wherein: the first inlet (6) and the second inlet (7) are both provided with a feed hopper (15).

3. A rapid comminution apparatus as in claim 2 wherein: the end part of the crushing chamber (2) is provided with a mounting seat (16) and a motor (17) fixed on the mounting seat (16), and the motor (17) is directly connected with the screw shaft (3).

4. A rapid comminution apparatus as in claim 3 wherein: the cutter (8) comprises an annular fixing part (18) and three blades (19) uniformly distributed on the fixing part (18); the fixing part (18) is formed by splicing two detachable semicircular rings; the blades (19) of the two cutters (8) are arranged in a staggered way and are not coincident.

5. A rapid comminution device as in claim 4 in which: both ends of the semicircular ring of the fixing part (18) are respectively provided with a connecting part (22), and screw holes are processed on the connecting parts (22) and used for splicing the two connecting parts (22).

6. A rapid comminution device as in claim 5, in which: the fixed knife (20) is of an arc-shaped plate-shaped structure, and the fixed knife (20) is installed on the inner side of the bottom wall of the conveying chamber (1).

7. A rapid comminution apparatus as in claim 6 wherein: and a vibration exciter (23) is arranged on the screen (11).

8. A rapid comminution apparatus as in claim 7 wherein: a plurality of teeth (24) are arranged on the outer circumference of the crushing knife (10).