CN213700221U

CN213700221U - Needle type pulverizer

Info

Publication number: CN213700221U
Application number: CN202022429115.6U
Authority: CN
Inventors: 陈会文
Original assignee: Shanghai Inno Machinery Co ltd
Current assignee: Shanghai Inno Machinery Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-16
Anticipated expiration: 2030-10-27

Abstract

The application discloses pin mill, this pin mill includes: the crushing device comprises a crushing cavity, a feeding pipe and a discharging pipe which are communicated with the crushing cavity, wherein a crushing assembly is arranged in the crushing cavity, and a driving assembly is arranged on the side surface of the crushing cavity; wherein, crushing unit includes: the fixed disc is fixedly arranged in the crushing cavity, and the movable disc is movably arranged in the crushing cavity and is in transmission connection with the driving assembly; the opposite sides of the fixed disc and the movable disc are respectively provided with a first firing pin component and a second firing pin component which are distributed in a ring shape and arranged in a staggered way; the first firing pin assembly comprises a first main firing pin fixed on the fixed disc and a first auxiliary firing pin sleeved on the first main firing pin, and the first auxiliary firing pin is detachably and fixedly connected with the fixed disc. The application has solved among the prior art crushing subassembly of pin grinder the interval between fixed needle and the movable needle is fixed, consequently can only realize the kibbling problem of single granularity requirement.

Description

Needle type pulverizer

Technical Field

The application relates to the field of crushing equipment, in particular to a needle type crusher.

Background

At present, in the industries of pharmacy, chemical industry, food, and the like, coarse crushing is matched equipment of a previous working procedure of micro-crushing processing, is not limited by material viscosity, hardness, softness, fiber, and the like, and can achieve a better crushing effect on any material. The working principle of the needle type pulverizer is that a gap between a movable needle and a fixed needle which rotate at a high speed is used for repeatedly striking and colliding materials to realize pulverizing processing operation, however, in the related art, the distance between the fixed needle and the movable needle in a pulverizing assembly of the needle type pulverizer is fixed, so that only pulverization with a single granularity requirement can be realized.

Aiming at the problem that the spacing between a fixed needle and a movable needle in a crushing assembly of a needle type crusher in the related art is fixed, so that crushing with a single granularity requirement can only be realized, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main objective of this application is to provide a needle crusher to solve in the crushing subassembly of needle crusher in the correlation technique the interval between fixed needle and the movable needle is fixed, consequently can only realize the kibbling problem of single granularity requirement.

In order to achieve the above object, the present application provides a pin crusher comprising: the crushing device comprises a crushing cavity, a feeding pipe and a discharging pipe, wherein the feeding pipe and the discharging pipe are communicated with the crushing cavity; wherein the size reduction assembly comprises: the fixed disc is fixedly arranged in the crushing cavity, and the movable disc is movably arranged in the crushing cavity and is in transmission connection with the driving assembly; a first firing pin component and a second firing pin component are respectively arranged on the opposite sides of the fixed disc and the movable disc, and are distributed annularly and arranged in a staggered manner; the first firing pin assembly comprises a first main firing pin fixed on the fixed disc and a first auxiliary firing pin sleeved on the first main firing pin, and the first auxiliary firing pin is detachably and fixedly connected with the fixed disc.

Further, the second firing pin assembly comprises a second main firing pin fixed on the movable disc and a second secondary firing pin sleeved on the second main firing pin, and the second secondary firing pin is detachably and fixedly connected with the movable disc; the second secondary firing pin and the first secondary firing pin are arranged in a staggered mode and provided with gaps.

Furthermore, one side of the fixed disc, which is far away from the movable disc, is provided with a first circular mounting groove, a first base plate is arranged in the first mounting groove, a first counter bore is formed in the first base plate, the first main firing pin is in threaded connection with the fixed disc, a first threaded hole is formed in one end, located in the fixed disc, of the first main firing pin, a first fastening piece is arranged in the first counter bore, and the first fastening piece penetrates through the first counter bore and extends to be in threaded connection with the first threaded hole of the fixed disc.

Furthermore, the first auxiliary firing pin comprises a first needle body sleeved on the first main firing pin and a first installation part located on the first needle body, the first installation part is arranged close to the surface of the fixed disc, a first positioning block is arranged at one end, facing the fixed disc, of the first installation part, a first positioning hole matched with the first positioning block is arranged on the end face of the fixed disc, and the first installation part is connected with the end face of the fixed disc through a flange.

Furthermore, the first installation part and the first needle body are provided with reinforcing ribs, and the reinforcing ribs are distributed along the circumferential direction.

Furthermore, a feeding hole corresponding to the feeding pipe is coaxially arranged on the fixed disc, and a flange hole used for being connected with a needle type crusher flange is formed in the fixed disc.

Further, two sides of the movable disc, which are away from the fixed disc, are provided with a second mounting groove which is circular, a second base plate is arranged in the second mounting groove, a second counter bore is formed in the second base plate, a second main firing pin is in threaded connection with the movable disc, a second threaded hole is formed in one end, located in the movable disc, of the second main firing pin, a second fastening piece is arranged in the second counter bore, and the second fastening piece penetrates through the second counter bore and extends to be in threaded connection with the second threaded hole of the movable disc.

Further, the second secondary firing pin is sleeved with a second needle body on the second main firing pin and a second mounting part on the second needle body, the second mounting part is arranged close to the surface of the movable disc, a second positioning block is arranged at the two ends, facing the movable disc, of the second mounting part, a second positioning hole matched with the second positioning block is formed in the end face of the movable disc, and the second mounting part is connected with the end face of the movable disc in a flange mode.

Further, the first fastener and the second fastener are both provided as fastening bolts.

Furthermore, a reinforcing rib plate is arranged between the second mounting part and the second needle body and is distributed along the circumferential direction.

Further, drive assembly includes the box and locates driving motor in the box, driving motor's output is provided with the pivot, the pivot runs through in proper order the box with smash the chamber and with the driving disk transmission is connected.

Furthermore, the crushing cavity comprises a left cavity and a right cavity which are detachable, annular connecting plates are arranged on the left cavity and the right cavity respectively, the two connecting plates are connected through a flange, the fixed disc is fixed in the left cavity, and the movable disc is installed in the right cavity; the discharging pipe comprises a left pipe body integrated with the left cavity and a right pipe body integrated with the right cavity.

In the embodiment of the application, a fixed disc for fixing in the needle type crusher and a movable disc for being in transmission connection with a driving mechanism of the needle type crusher are arranged; the first striker assembly and the second striker assembly are distributed annularly and arranged in a staggered manner; the first firing pin assembly comprises a first main firing pin fixed on the fixed disc and a first auxiliary firing pin sleeved on the first main firing pin, the first auxiliary firing pin is detachably and fixedly connected with the fixed disc, and the purpose of changing the distance between the first firing pin assembly and the second firing pin assembly by mounting or dismounting the first auxiliary firing pin is achieved, so that the technical effect of crushing meeting at least two granularity requirements is achieved, and the problem that crushing with a single granularity requirement can only be achieved due to the fact that the distance between the fixed needle and the movable needle in the crushing assembly of the needle type crusher in the related technology is fixed is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic structural diagram according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a shredder assembly according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a right-left structure of a fixed center plate according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a right-view structure of a fixed middle plate according to an embodiment of the present application;

FIG. 5 is an enlarged schematic view of a portion A of FIG. 2;

the crushing device comprises a movable plate 1, a first main firing pin 2, a first auxiliary firing pin 3, a first mounting part 4, a fixed plate 5, a first fastening part 6, a first backing plate 7, a first firing pin assembly 8, a second fastening part 9, a second mounting part 10, a second main firing pin 11, a second auxiliary firing pin 12, a second firing pin assembly 13, a second backing plate 14, a first positioning block 15, a box 16, a rotating shaft 17, a right cavity 18, a crushing cavity 19, a connecting plate 20, a bump 21, a feeding pipe 22, a left cavity 23 and a discharging pipe 24.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 5, an embodiment of the present application provides a pin crusher, including: a crushing cavity 19, and a feeding pipe 22 and a discharging pipe 24 which are communicated with the crushing cavity 19, wherein a crushing assembly is arranged in the crushing cavity 19, and a driving assembly is arranged on the side surface of the crushing cavity 19; wherein, crushing unit includes: the fixed disc 5 is fixedly arranged in the crushing cavity 19, the movable disc 1 is movably arranged in the crushing cavity 19, and the movable disc 1 is in transmission connection with the driving assembly; the opposite sides of the fixed disc 5 and the movable disc 1 are respectively provided with a first firing pin component 8 and a second firing pin component 13, and the first firing pin component 8 and the second firing pin component 13 are distributed annularly and arranged in a staggered way; the first firing pin assembly 8 comprises a first main firing pin 2 fixed on the fixed disc 5 and a first secondary firing pin 3 sleeved on the first main firing pin 2, and the first secondary firing pin 3 is detachably and fixedly connected with the fixed disc 5.

In the embodiment, when in use, the movable disc 1 and the fixed disc 5 are both arranged in a crushing cavity of the needle crusher, the movable disc 1 is in transmission connection with a driving mechanism of the needle crusher and is used for rotating in a crushing process, the first striker assembly 8 and the second striker assembly 13 on opposite sides of the movable disc 1 and the fixed disc 5 are arranged in a staggered mode, when the movable disc 1 is driven to rotate by the driving assembly, the second striker assembly 13 on the movable disc 1 synchronously rotates and generates relative motion with the first striker assembly 8, crushing of materials is realized due to the spacing between the first striker assembly 8 and the second striker assembly 13, namely, a shearing force is generated by the relative motion of the first striker assembly 8 and the second striker assembly 13, the first striker assembly 8 is formed by the first main striker 2 and the first auxiliary striker 3, and the first auxiliary striker 3 is sleeved on the first main striker 2 and can be detached, so that the spacing between the first striker assembly 8 and the second striker assembly 13 can be reduced by installing the first auxiliary striker assembly 3, the crushing machine has the advantages that the crushing with smaller requirement on granularity can be realized, the distance between the first firing pin assembly 8 and the second firing pin assembly 13 can be increased by detaching the first secondary firing pin 3, the crushing with larger requirement on granularity can be realized, and the problem that the crushing with single granularity requirement can only be realized because the distance between the fixed needle and the movable needle in the crushing assembly of the needle type crusher in the related art is fixed is solved.

As shown in fig. 1 to 5, the second striker assembly 13 includes a second main striker 11 fixed on the movable plate 1 and a second secondary striker 12 sleeved on the second main striker 11, and the second secondary striker 12 is detachably and fixedly connected with the movable plate 1; the second striker 12 and the first striker 3 are arranged alternately with a gap therebetween.

The second striker assembly 13 on the movable plate 1 is arranged similarly to the first striker assembly 8 on the fixed plate 5, and the separation between the first striker assembly 8 and the second striker assembly 13 can be further adjusted by removing the second secondary striker 12, that is, when the second secondary striker 12 is removed from the movable plate 1 and the first secondary striker 3 is removed from the fixed plate 5, the separation between the first striker assembly 8 and the second striker assembly 13 is maximized, so that the pulverization required by another granularity can be satisfied.

As shown in fig. 1 to 5, one side of the fixed disc 5, which is away from the movable disc 1, is provided with a first circular mounting groove, a first backing plate 7 is arranged in the first mounting groove, a first counter bore is formed in the first backing plate 7, the first main firing pin 2 is in threaded connection with the fixed disc 5, a first threaded hole is formed in one end, located in the fixed disc 5, of the first main firing pin 2, a first fastening piece 6 is arranged in the first counter bore, and the first fastening piece 6 penetrates through the first counter bore and extends to be in threaded connection with the first threaded hole of the fixed disc 5.

Can protect the terminal surface of price fixing 5 through backing plate 7, avoid losing the 5 terminal surfaces of price fixing when twisting fastener 6, first main firing pin 2 inserts in price fixing 5 and with price fixing 5 threaded connection, it sets up screw hole one to insert the end, set up the through-hole of intercommunication counter sink and screw hole in 5, fastener 6 passes behind the counter sink in proper order with through-hole and screw hole threaded connection, thereby realize fixing first main firing pin 2, for making the terminal surface of price fixing 5 level and smooth, the thickness of backing plate 7 equals the thickness of mounting groove one, the surface of fastener 6 is no longer than the surface of backing plate 7.

As shown in fig. 1 to 5, the first secondary striker 3 includes a first needle body sleeved on the first primary striker 2 and a first mounting member 4 located on the first needle body, the first mounting member 4 is arranged close to the surface of the fixed plate 5, a first positioning block 15 is arranged at one end of the first mounting member 4 facing the fixed plate 5, a first positioning hole matched with the first positioning block 15 is arranged on the end surface of the fixed plate 5, and the first mounting member 4 is flange-connected with the end surface of the fixed plate 5.

The first needle body and the first mounting piece 4 are integrally formed, the first mounting piece 4 is annular, when the first needle body is completely sleeved on the first main firing pin 2, the first positioning block 15 on the first mounting piece 4 is inserted into the first positioning hole on the end face of the fixed plate 5 and tightly attached to the first positioning hole, and then the first mounting piece 4 is screwed with the bolt to achieve flange connection, so that the first needle body is stably fixed. Be provided with the strengthening rib between installed part 4 and the needle body one, the strengthening rib distributes along circumference, can increase the joint strength of installed part 4 and needle body one through the strengthening rib.

As shown in fig. 1 to 5, a feeding port corresponding to the feeding pipe 22 is coaxially arranged on the fixed plate 5, a flange hole for flange connection with the needle type crusher is formed in the fixed plate 5, and after the fixed plate 5 is installed in a crushing cavity of the needle type crusher, the feeding port corresponds to the feeding pipe of the needle type crusher, so that material introduction is realized.

As shown in fig. 1 to 5, two sides of the movable disk 1 departing from the fixed disk 5 are provided with a second mounting groove which is circular, a second backing plate 14 is arranged in the second mounting groove, a second counter bore is formed in the second backing plate 14, a second main firing pin 11 is in threaded connection with the movable disk 1, a second threaded hole is formed in one end, located in the movable disk 1, of the second main firing pin 11, a second fastening piece 9 is arranged in the second counter bore, and the second fastening piece 9 penetrates through the second counter bore and extends to be in threaded connection with the second threaded hole of the movable disk 1.

As shown in fig. 1 to 5, the second secondary striker 12 includes a second needle body sleeved on the second primary striker 11 and a second mounting element 10 located on the second needle body, the second mounting element 10 is arranged close to the surface of the movable disk 1, second positioning blocks are arranged at two ends of the second mounting element 10 facing the movable disk 1, second positioning holes matched with the second positioning blocks are arranged on the end surface of the movable disk 1, and the second mounting element 10 is flange-connected with the end surface of the movable disk 1. The second main striker 11 and the second sub striker 12 on the movable disk 1 are arranged similarly to the first main striker 2 and the first sub striker 3 on the fixed disk 5, and will not be described again.

As shown in fig. 1 to 5, the first fastening piece 6 and the second fastening piece 9 are both provided as fastening bolts, and reinforcing ribs are arranged between the second mounting piece 10 and the second needle body and are distributed along the circumferential direction.

As shown in fig. 1 to 5, the driving assembly includes a box 16 and a driving motor disposed in the box 16, an output end of the driving motor is provided with a rotating shaft 17, and the rotating shaft 17 sequentially penetrates through the box 16 and the crushing cavity 19 and is in transmission connection with the movable disc 1.

The crushing cavity 19 comprises a left cavity 23 and a right cavity 18 which are detachable, annular connecting plates 20 are arranged on the left cavity 23 and the right cavity 18 respectively, the two connecting plates 20 are connected through flanges, the fixed disc 5 is fixed in the left cavity 23, and the movable disc 1 is installed in the right cavity 18; the discharge pipe 24 includes a left pipe body integrated with the left chamber 23 and a right pipe body integrated with the right chamber 18.

Constitute crushing chamber 19 jointly through left cavity 23 of detachable and right cavity 18, be convenient for install and dismantle crushing chamber 19, be convenient for simultaneously adjust first firing pin subassembly 8 of price fixing 5 and the second firing pin subassembly 13 on the driving disk 1, realize the flange joint of left cavity 23 and right cavity 18 through connecting plate 20, make to smash the holistic structure in chamber 19 after the installation more stable. In order to facilitate the positioning of the left cavity 23 and the right cavity 18 during the installation process, a protrusion 21 is disposed on one side of the left cavity 23 close to the right cavity 18, and a corresponding groove is formed in the right cavity 18.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pin mill, comprising: the crushing device comprises a crushing cavity, a feeding pipe and a discharging pipe, wherein the feeding pipe and the discharging pipe are communicated with the crushing cavity; wherein,

the size reduction assembly includes: the fixed disc is fixedly arranged in the crushing cavity, and the movable disc is movably arranged in the crushing cavity and is in transmission connection with the driving assembly;

a first firing pin component and a second firing pin component are respectively arranged on the opposite sides of the fixed disc and the movable disc, and are distributed annularly and arranged in a staggered manner;

the first firing pin assembly comprises a first main firing pin fixed on the fixed disc and a first auxiliary firing pin sleeved on the first main firing pin, and the first auxiliary firing pin is detachably and fixedly connected with the fixed disc.

2. The needle mill of claim 1, wherein the second striker assembly comprises a second primary striker fixed to the movable plate and a second secondary striker sleeved on the second primary striker, and the second secondary striker is detachably and fixedly connected with the movable plate;

the second secondary firing pin and the first secondary firing pin are arranged in a staggered mode and provided with gaps.

3. The needle mill of claim 2, wherein a first mounting groove in a circular shape is formed in a side of the fixed disc, which faces away from the movable disc, a first backing plate is arranged in the first mounting groove, a first counter bore is formed in the first backing plate, the first main firing pin is in threaded connection with the fixed disc, a first threaded hole is formed in one end of the first main firing pin, which is located in the fixed disc, a first fastening piece is arranged in the first counter bore, and the first fastening piece penetrates through the first counter bore and extends to be in threaded connection with the first threaded hole of the fixed disc.

4. The needle mill of claim 3, wherein the first secondary firing pin comprises a first needle body sleeved on the first primary firing pin and a first mounting member positioned on the first needle body, the first mounting member is arranged close to the surface of the fixed plate, a first positioning block is arranged at one end of the first mounting member facing the fixed plate, a first positioning hole matched with the first positioning block is arranged on the end surface of the fixed plate, and the first mounting member is in flange connection with the end surface of the fixed plate.

5. The needle mill of claim 4, wherein the first mounting member and the first needle body are provided with reinforcing ribs therebetween, and the reinforcing ribs are distributed along the circumferential direction.

6. The needle mill of claim 5, wherein the fixed plate is provided with a feeding port corresponding to the feeding pipe, and the fixed plate is provided with a flange hole for connecting with a flange of the needle mill.

7. The needle mill of claim 6, wherein two sides of the movable disc, which face away from the fixed disc, are provided with second circular mounting grooves, a second backing plate is arranged in the second mounting groove, a second countersunk hole is formed in the second backing plate, the second primary striker is in threaded connection with the movable disc, a second threaded hole is formed in one end of the second primary striker, which is located in the movable disc, and a second fastening piece is arranged in the second countersunk hole, and passes through the second countersunk hole and extends to be in threaded connection with the second threaded hole of the movable disc.

8. The needle type pulverizer as claimed in claim 7, wherein the second secondary firing pin comprises a second needle body sleeved on the second primary firing pin and a second mounting member located on the second needle body, the second mounting member is arranged close to the surface of the movable disk, two ends of the second mounting member facing the movable disk are provided with second positioning blocks, the end surface of the movable disk is provided with second positioning holes matched with the second positioning blocks, and the second mounting member is connected with the end surface of the movable disk in a flange manner.

9. The needle mill of claim 8, wherein the driving assembly comprises a box and a driving motor arranged in the box, and an output end of the driving motor is provided with a rotating shaft which sequentially penetrates through the box and the milling cavity and is in transmission connection with the movable disk.

10. The needle mill of claim 9, wherein the milling chamber comprises a left chamber and a right chamber which are detachable, the left chamber and the right chamber are both provided with annular connecting plates, the two connecting plates are connected through a flange, the fixed plate is fixed in the left chamber, and the movable plate is installed in the right chamber;

the discharging pipe comprises a left pipe body integrated with the left cavity and a right pipe body integrated with the right cavity.