CN110918187B

CN110918187B - Crushing device

Info

Publication number: CN110918187B
Application number: CN201911204218.8A
Authority: CN
Inventors: 周其亮
Original assignee: Wenling Chuangli Medical Equipment Co ltd
Current assignee: Wenling Chuangli Medical Equipment Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2021-08-10
Anticipated expiration: 2039-11-29
Also published as: CN110918187A

Abstract

The invention provides a crushing device, and belongs to the technical field of machinery. It has solved the loose problem of current rubbing crusher structure. The crushing device comprises a shell with a feeding hole and a discharging hole, wherein a crushing cavity and a discharging cavity are formed in the shell, the feeding hole and the discharging hole are respectively communicated with the crushing cavity and the discharging cavity, a crushing mechanism with a rotating shaft is arranged in the crushing cavity, pushing slurry for pushing materials in the discharging cavity to the discharging hole is arranged in the discharging cavity, a barrel is further arranged in the shell, the barrel is located between the crushing cavity and the discharging cavity, the crushing cavity and the discharging cavity are axially distributed along the barrel, two ends of the barrel are respectively communicated with the crushing cavity and the discharging cavity, one end of the rotating shaft sequentially penetrates through the barrel and the discharging cavity and extends out of the shell, a negative pressure fan blade is arranged in the barrel, and the negative pressure fan blade and the; the inner wall of the barrel body close to one end of the crushing cavity is a conical surface, and the diameter of the conical surface is gradually reduced from the crushing cavity to the barrel body. This reducing mechanism compact structure.

Description

Crushing device

Technical Field

The invention belongs to the technical field of machinery, and relates to a crushing device.

Background

In order to obtain better crushing effect and quality, the existing crusher generally adopts a hammer type, such as a hammer type straw crusher (application number: 201811597922X, comprising a crushing chamber and a hammer rack rotatably arranged in the crushing chamber, and also comprising a first crushing cutter, a second crushing cutter and a first quick-change device which enables the first crushing cutter and the hammer rack to form detachable connection and enables the first crushing cutter and the hammer rack to keep relatively fixed during working; the first crushing cutter comprises a first cutter bar, a first cutter head arranged on the first cutter bar and a plurality of first convex teeth arranged on the first cutter head, and the first convex teeth are distributed on the first cutter head along the circumferential direction; the crushing chamber comprises a first bottom wall and a second bottom wall which are positioned below the hammer sheet frame, and second convex teeth which are arranged on the second bottom wall and protrude towards the inner side of the second bottom wall, the second bottom wall is of an arc-shaped structure, the second convex teeth are provided with a plurality of second convex teeth, all the second convex teeth are distributed on the second bottom wall along the circumferential direction, and the axis of the second bottom wall is parallel to the rotating central line of the hammer sheet frame; the straw crushing device also comprises a discharge hopper and a material sucking device which is used for generating negative pressure and enabling materials formed by crushing straws to enter the discharge hopper; the material suction device comprises a material suction bin, a material suction impeller rotatably arranged in the material suction bin and a material suction transmission mechanism connected with the material suction impeller, the material suction impeller is positioned below the crushing chamber, the discharge hopper is connected with the material suction bin, and the discharge hopper extends towards the lower part of the material suction bin; the material suction transmission mechanism comprises a transmission shaft and a bevel gear transmission mechanism connected with the transmission shaft and the material suction impeller, the axis of the transmission shaft is parallel to the rotation central line of the hammer sheet frame, the transmission shaft is connected with the main shaft through a belt transmission mechanism, the hammer sheet frame is sleeved on the main shaft, and the hammer sheet frame and the main shaft rotate synchronously; first diapire is located the top of inhaling the feed bin, first diapire has the hourglass material hole that lets the material pass through, and the hourglass material hole sets up a plurality ofly.

In the pulverizer, the material suction impeller and the cutter are connected with each other in an external manner through the synchronous belt and the synchronous wheel in a matching manner, so that the whole structure is loose, and the occupied area is large.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provide a crushing device with a compact structure.

The purpose of the invention can be realized by the following technical scheme: a crushing device comprises a shell with a feeding hole and a discharging hole, wherein a crushing cavity and a discharging cavity are formed in the shell, the feeding hole and the discharging hole are respectively communicated with the crushing cavity and the discharging cavity, a crushing mechanism with a rotating shaft is arranged in the crushing cavity, and slurry pushing for pushing materials in the discharging cavity to the discharging hole is arranged in the discharging cavity; the inner wall of the barrel body close to one end of the crushing cavity is a conical surface, and the diameter of the conical surface is gradually reduced from the crushing cavity to the barrel body.

The using process is as follows: the rotating shaft is connected with an external driving source and is driven to rotate by the external driving source; the material (such as medicinal material) is poured into the crushing cavity from the feeding hole and crushed into powder by the crushing mechanism, then the negative pressure fan blade operates to generate negative pressure to suck the powder into the cylinder and discharge the powder into the discharging cavity, and finally the powder is discharged from the discharging hole under the pushing action of the pushing pulp.

The barrel, the crushing cavity and the discharging cavity are distributed on the same straight line, and the crushing mechanism, the slurry pushing blade and the negative pressure fan blade are driven by one rotating shaft to operate, so that the structure is simple, the distance between each part can be effectively reduced, the whole structure is quite compact, and the occupied area is reduced.

In the crushing device, the cylinder body can slide in a reciprocating manner along the axial direction of the cylinder body and is limited at the sliding position, and the two ends of the cylinder body are always communicated with the crushing cavity and the discharging cavity when the cylinder body slides. Adopt above-mentioned design, can change the barrel port and smash the distance between the chamber to the suction that the regulation formed in crushing chamber department, thereby the thickness of adjusting the interior powder of inhaling the barrel, with the practicality that improves this device.

In foretell reducing mechanism, the chamber wall in crushing chamber and row material chamber on all have the connecting hole, two connecting holes match with barrel both ends respectively, the barrel both ends are blocked respectively and are established in two connecting holes, and barrel outer wall and connecting hole pore wall paste and lean on and form sealedly, run through on the casing conch wall and be equipped with and be banding spout, link firmly the driving lever on the barrel outer wall, the driving lever outer end passes the spout and lies in outside the casing.

When the device is used, the shifting rod is shifted to drive the cylinder body to rotate so as to convert the cylinder body into axial movement.

The end part of the cylinder body is arranged in the connecting hole in a clamping mode, so that the cylinder body can be always sealed with the connecting hole on the premise of not needing other parts, the structure is simple, and the material suction thickness can be adjusted without stopping the machine, so that the working efficiency is improved.

In the above-described crushing apparatus, the chute may be provided so that a longitudinal extending direction thereof is inclined with respect to an axial direction of the cylindrical body. By adopting the design, the barrel body can be moved more easily and labor-saving.

In foretell reducing mechanism, the chamber wall in crushing chamber and row material chamber on all have a mounting hole, the barrel both ends are inserted respectively and are established in two mounting holes, and barrel outer wall and mounting hole pore wall paste to lean on to form sealedly, run through on the casing lateral wall and be equipped with all just right screw hole and bar groove with the barrel, linked firmly the connecting rod on the lateral wall of barrel, and the outer end of connecting rod stretches out the bar groove, threaded hole threaded connection has the bolt, and bolt rod portion sticiss on the barrel lateral wall.

Compared with the prior art, this reducing mechanism has following advantage:

1. the barrel, the crushing cavity and the discharging cavity are distributed on the same straight line, and the crushing mechanism, the slurry pushing blade and the negative pressure fan blade are driven by one rotating shaft to operate, so that the structure is simple, the distance between each part can be effectively reduced, the whole structure is quite compact, and the occupied area is reduced.

2. Set up barrel physical stamina and follow axial motion, can change the barrel port and smash the distance between the chamber to the suction that the regulation formed in crushing chamber department, thereby the thickness of powder in the regulation suction barrel, with the practicality that improves this device.

3. The end part of the cylinder body is arranged in the connecting hole in a clamping mode, so that the cylinder body can be always sealed with the connecting hole on the premise of not needing other parts, the structure is simple, and the material suction thickness can be adjusted without stopping the machine, so that the working efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the crushing apparatus.

Fig. 2 is a schematic sectional view of the crushing apparatus.

Fig. 3 is a schematic perspective view of the crushing apparatus with a part of the housing removed.

In the figure, 1, a housing; 1a, a feed inlet; 1b, a discharge hole; 1c, a crushing cavity; 1d, a discharge cavity; 1e, a chute; 2. a rotating shaft; 3. pushing the slurry; 4. a barrel; 4a, a conical surface; 5. negative pressure fan blades; 6. a deflector rod.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the crushing device includes a casing 1 having a feed inlet 1a and a discharge outlet 1b, a crushing chamber 1c and a discharge chamber 1d are provided in the casing 1, and the feed inlet 1a and the discharge outlet 1b are respectively communicated with the crushing chamber 1c and the discharge chamber 1 d. In this embodiment, the inlet port 1a is provided on the upper side of the pulverizing chamber 1c, and the outlet port 1b is provided on the side of the discharging chamber 1 d.

Wherein, be equipped with rubbing crusher in smashing chamber 1c and construct, this rubbing crusher constructs for prior art, specifically can refer to a hammer leaf formula straw rubbing crusher that chinese patent storehouse disclosed [ application No.: 201811597922X relates to a crushing structure composed of a hammer rack, a crushing knife and the like. The crushing mechanism comprises a rotating shaft 2 horizontally arranged in a shell 1, and pushing pulp 3 used for pushing materials in a discharging cavity 1d to a discharging hole 1b is arranged in the discharging cavity 1 d.

Specifically, as shown in fig. 1 and 2, a cylinder 4 with both ends open is further provided in the housing 1, and the cylinder 4 is located between the pulverizing chamber 1c and the discharging chamber 1 d. Barrel 4, crushing chamber 1c and row material chamber 1d distribute along the axial of barrel 4, and the both ends of barrel 4 communicate respectively and smash chamber 1c and row material chamber 1 d. One end of the rotating shaft 2 sequentially penetrates through the cylinder 4 and the discharge cavity 1d and extends out of the shell 1. The inside of the barrel 4 is provided with a negative pressure fan blade 5, and the negative pressure fan blade 5 and the slurry pushing 3 are fixedly connected with the rotating shaft 2. The inner wall of one end of the cylinder 4 close to the crushing cavity 1c is a conical surface 4a, and the diameter of the conical surface 4a gradually decreases from the crushing cavity 1c to the cylinder 4; the inner side wall of the other end of the cylinder 4 is a circumferential surface. In this embodiment, the negative pressure fan blade 5 and the material pushing slurry 3 are both provided with through holes for the rotating shaft 2 to pass through, and the negative pressure fan blade 5 and the material pushing slurry 3 are both fixedly connected with the rotating shaft 2 by welding.

Further, the cylinder 4 can slide back and forth along the axial direction of the cylinder 4 and is limited at the sliding position, and both ends of the cylinder 4 are always communicated with the crushing cavity 1c and the discharging cavity 1d when sliding. Adopt above-mentioned design, can change the barrel 4 and smash the distance between the chamber 1c to the suction that the regulation formed in crushing chamber 1c department, thereby the thickness of the interior powder of barrel 4 is inhaled in the regulation, with the practicality that improves this device.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the wall of each of the crushing chamber 1c and the discharging chamber 1d has a connecting hole, the two connecting holes are respectively matched with the two ends of the cylinder 4, the two ends of the cylinder 4 are respectively clamped in the two connecting holes, the outer wall of the cylinder 4 is attached to the wall of the connecting hole to form a seal, a strip-shaped sliding groove 1e is formed in the wall of the casing 1, a shift lever 6 is fixedly connected to the outer wall of the cylinder 4, and the outer end of the shift lever 6 penetrates through the sliding groove 1e and is located outside the casing 1. When the device is used, the poking rod 6 is poked to drive the cylinder 4 to rotate so as to convert the cylinder 4 into axial movement. Further, the length extending direction of the sliding groove 1e is inclined relative to the axial direction of the cylinder 4, so that the cylinder 4 can move easily and labor-saving.

The use process of this reducing mechanism is as follows: the rotating shaft 2 is connected with an external driving source and is driven to rotate by the external driving source; the materials (such as medicinal materials) are poured into the crushing cavity 1c from the feeding hole 1a and crushed into powder by the crushing mechanism, then the negative pressure fan blade 5 operates to generate negative pressure to suck the powder into the cylinder 4 and discharge the powder into the discharging cavity 1d, and finally the powder is discharged from the discharging hole 1b under the pushing action of the material pushing slurry 3.

In the actual product, one end of the rotating shaft 2, which is positioned in the crushing cavity 1c, extends out of the shell 1, and one end of the rotating shaft 2 is fixedly connected with a synchronizing wheel or a gear.

Example two

The structure and principle of the second embodiment are basically the same as those of the first embodiment, and the difference lies in that: smash all to have the mounting hole on the chamber wall in chamber 1c and the row material chamber 1d, 4 both ends of barrel are inserted respectively and are established in two mounting holes, and 4 outer walls of barrel and mounting hole pore wall paste to lean on to form sealed, run through on the 1 lateral wall of casing and be equipped with all with barrel 4 just right screw hole and bar groove, linked firmly the connecting rod on the lateral wall of barrel 4, and the outer end of connecting rod stretches out the bar groove, threaded hole in-thread connection has the bolt, and bolt rod portion sticiss on 4 lateral walls of barrel.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A crushing device comprises a shell (1) with a feeding hole (1a) and a discharging hole (1b), wherein a crushing cavity (1c) and a discharging cavity (1d) are arranged in the shell (1), the feeding hole (1a) and the discharging hole (1b) are respectively communicated with the crushing cavity (1c) and the discharging cavity (1d), a crushing mechanism with a rotating shaft (2) is arranged in the crushing cavity (1c), a slurry pushing mechanism (3) used for pushing materials in the discharging cavity (1d) to the discharging hole (1b) is arranged in the discharging cavity (1d), the crushing device is characterized in that a barrel (4) is further arranged in the shell (1), the barrel (4) is located between the crushing cavity (1c) and the discharging cavity (1d), the barrel (4), the crushing cavity (1c) and the discharging cavity (1d) are axially distributed along the barrel (4), and two ends of the barrel (4) are respectively communicated with the crushing cavity (1c) and the discharging cavity (1d), one end of the rotating shaft (2) sequentially penetrates through the barrel (4) and the discharging cavity (1d) and extends out of the shell (1), a negative pressure fan blade (5) is arranged in the barrel (4), and the negative pressure fan blade (5) and the slurry pushing plate (3) are fixedly connected with the rotating shaft (2); the inner wall of one end of the cylinder (4) close to the crushing cavity (1c) is a conical surface (4a), and the diameter of the conical surface (4a) gradually decreases from the crushing cavity (1c) to the cylinder (4); the barrel (4) can slide in a reciprocating manner along the axial direction of the barrel (4) and is limited at the sliding position, and the two ends of the barrel (4) are always communicated with the crushing cavity (1c) and the discharging cavity (1d) when sliding; smash the chamber wall in chamber (1c) and row material chamber (1d) on all have the connecting hole, two connecting holes match with barrel (4) both ends respectively, barrel (4) both ends are blocked respectively and are established in two connecting holes, and barrel (4) outer wall and connecting hole pore wall paste and lean on to form sealedly, run through on casing (1) the conch wall and be equipped with and be banding spout (1e), link firmly driving lever (6) on barrel (4) outer wall, driving lever (6) outer end passes spout (1e) and is located outside casing (1).

2. Comminution device according to claim 1, in which the chute (1e) has a longitudinal extent which is inclined in relation to the axial direction of the cylinder (4).