CN219334393U - Double-hammer crusher with sample clearing and no sieve plate - Google Patents

Abstract

The utility model discloses a double-hammer crusher with a sample cleaning function and no sieve plate, which comprises: the upper hammer breaking mechanism, the lower hammer breaking mechanism and the hammer breaking cavity are respectively connected with an upper hammer shaft of the upper hammer breaking mechanism and a lower hammer shaft of the lower hammer breaking mechanism, and the upper hammer head and the lower hammer head meet at the adjacent part of the upper hammer head and the lower hammer head and are used for shearing samples; a hopper is arranged on the hammer breaking cavity, and the upper end of the feeding device is communicated with a feeding hole of the feeding hole; a discharge hole is arranged below the hammer breaking cavity; the method is characterized in that: be equipped with the device of clearing a kind in the loading hopper, the device of clearing a kind includes: and the gate lifting motor is connected with the gate through a transmission mechanism, two gate guide plates are arranged in the rear side plate of the charging hopper, and guide grooves matched with the gate guide plates are formed in the gate. The utility model solves the problems that the feeding port of the existing double-hammer crusher is easy to be blocked, and the sample purity is reduced due to the fact that the crushed sample is mixed with the sample of the next batch.

Description

Double-hammer crusher with sample clearing and no sieve plate

Technical Field

The utility model relates to a double-hammer crusher with a sample cleaning function and no sieve plate, which is used for crushing samples and belongs to the field of coal sampling and sample preparation.

Background

In the field of mineral aggregate sample preparation, a hammer crusher is a common device, and generally consists of a hammer crushing cavity, a main shaft, a flange plate, a hammer head, a hammer shaft and a sieve plate, when the hammer crusher is used for crushing, the main shaft rotates to drive the hammer head to rotate, materials are crushed in the hammer crushing cavity, the sieve plate is arranged at the bottom of the hammer crushing cavity, a plurality of sieve holes drilled in advance are formed in the sieve plate, and the materials with the particle size pass through the sieve holes of the sieve plate so as to obtain the materials with the specified particle size, and the materials with the particle size not reaching the particle size are continuously crushed in the hammer crushing cavity by the hammer head. The common hammer crusher has the following problems that materials which do not pass through a sieve plate are repeatedly crushed in a crushing cavity, and the crushing efficiency is low; the sieve holes of the sieve plate are easy to deform after long-term use, so that the granularity is out of tolerance; when the moisture of the material is large, the sieve holes of the sieve plate are easy to be blocked, so that the crushed material cannot be discharged through the sieve plate, the machine is stopped for clearing the blockage, the crushing effect and the crushing efficiency are seriously affected, and the labor intensity of operators is high. Accordingly, the applicant discloses in prior patent CN 203140064U a hammer crusher without screen bottom for coal sample preparation, comprising a bearing seat, a frame, a hopper, a feed opening, a V-belt, and a feed opening, characterized in that two sets of crushing devices and a transmission device are arranged up and down, the rotation directions of the two sets of crushing devices are consistent, the lower part of the feed opening is connected with a first crushing device, the first crushing device is connected with the first transmission device through the V-belt, the first crushing device is connected with a second crushing device, the second crushing device is connected with the second transmission device through the V-belt, a hammer breaking cavity is mounted on the frame, the feed opening is arranged below the hammer breaking cavity, the hopper is arranged inside the frame, the first transmission device and the second transmission device are also mounted on the frame, and the feed opening is arranged on the first crushing device. Through long-time use, the phenomenon that the non-sieve bottom hammer crusher is easy to block materials at a feed inlet is found, and particularly, for coal samples with larger viscosity, the phenomenon that the non-sieve bottom hammer crusher is easy to block materials is more easy to occur, so that the feed inlet is often required to be cleaned.

Based on the defects, a double-hammer crusher with a sample cleaning function and a sieve plate-free function, which can realize easy and automatic cleaning of a feed inlet, is a target pursued by a person skilled in the art.

Disclosure of Invention

The utility model aims to solve the problem that the charging hole of the existing sieve bottom-free hammer crusher for coal sample preparation is easy to be blocked, thereby increasing the problem of labor intensity increase caused by manual cleaning.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a double hammer crusher with a clear sample without a screen deck, comprising: the upper hammer breaking mechanism and the lower hammer breaking mechanism are arranged in a manner that the upper hammer breaking mechanism and the lower hammer breaking mechanism are connected with each other, and the upper hammer breaking mechanism and the lower hammer breaking mechanism are connected with each other at adjacent positions; the upper hammer breaking mechanism and the lower hammer breaking mechanism are respectively arranged in the upper hammer breaking cavity and the lower hammer breaking cavity, the upper hammer breaking mechanism and the lower hammer breaking mechanism respectively comprise an upper hammer shaft and a lower hammer shaft which are arranged in the upper hammer breaking cavity and the lower hammer breaking cavity and are arranged in parallel, a plurality of upper hammer heads are arranged on the upper hammer shaft, and a plurality of lower hammer heads are arranged on the lower hammer shaft; the upper hammer breaking power device and the lower hammer breaking power device are respectively connected with the upper hammer shaft and the lower hammer shaft and are used for driving the upper hammer shaft and the lower hammer shaft to rotate anticlockwise, and the upper hammer head and the lower hammer head meet at the adjacent joint of the upper hammer breaking cavity and the lower hammer breaking cavity and are used for shearing samples; a hopper is arranged on the upper hammer breaking cavity, and the upper end of a feeding device is communicated with a feeding hole in front of the feeding hole and is used for inputting sample materials into the hopper; a discharge hole is arranged below the lower hammer breaking cavity; the method is characterized in that: be equipped with one in the loading hopper and be used for clearing up the inside clear appearance device of loading hopper, clear appearance device includes: a gate with a shape matched with the opening at the upper end of the hammer breaking cavity, and a gate lifting motor arranged at the top of the upper hammer breaking cavity is connected with the gate through a transmission mechanism and used for driving the gate to do lifting movement; two gate guide plates which are vertically arranged are arranged in the rear side plate of the charging hopper, and guide grooves which are matched with the gate guide plates are formed in the gate.

Preferably, the transmission mechanism comprises a worm connected with an output shaft of the gate lifting motor and a worm wheel meshed with the worm, a screw hole is formed in the center of the worm wheel, a lifting rod is in threaded connection with the screw hole in the center of the worm wheel, and the lower end of the lifting rod is connected with the gate.

As a preferred scheme, the sample cleaning device further comprises a limiting mechanism, the limiting mechanism comprises an induction plate arranged on the lifting rod, a cylindrical sleeve is arranged outside the lifting rod, and an upper inductor and a lower inductor used for limiting the upper position and the lower position of the gate are arranged on the sleeve.

Preferably, the sample cleaning device further comprises an access door, and the access door is arranged on the rear side surface of the charging hopper.

As a preferable scheme, the upper hammer breaking power device and the lower hammer breaking power device respectively comprise a motor and a belt transmission mechanism.

Preferably, the feeding device is a belt conveying mechanism.

According to the technical scheme, the sample clearing device is arranged in the feed hopper, and after the hammer breaking is finished, the gate lifting motor can drive the gate to move up and down repeatedly, so that the inside of the feed hopper is cleaned, the material storage and blocking at the feed hopper are avoided, the mixing with the samples of the next batch is avoided, and the purity of the broken samples of each time is ensured. The automatic operation device has the advantages of reasonable structure, simple and ingenious design and convenience for automatic operation.

Drawings

FIG. 1 is an end view of a double hammer crusher with a clear and no screen deck according to the present utility model;

fig. 2 and 3 are a first perspective view and a second perspective view of a double-hammer crusher with a sample removing and no sieve plate according to the utility model;

fig. 4 and 5 are a first cross-sectional view and a second cross-sectional view of a double-hammer crusher with a clear sample and no screen plate according to the present utility model.

Reference numerals illustrate: an upper hammer breaking mechanism 1, an upper hammer 11, an upper hammer shaft 12, an upper hammer breaking power device 2, a lower blow breaking mechanism 3, a lower hammer 31 and a lower hammer shaft 32; the lower hammer breaking power device 4, the sample cleaning device 5, the access door 51, the gate lifting motor 52, the upper sensor 53, the sensing plate 54, the lower sensor 55, the transmission mechanism 56, the worm 561, the worm wheel 562, the lifting rod 563, the gate 57, the guide groove 571, the gate guide plate 58, the limit mechanism 59 and the sleeve 591; the feeding device 6, the hammer breaking cavity 7, the upper hammer breaking cavity 71, the lower hammer breaking cavity 72 and the discharge hole 73; hopper 8, feed inlet 81.

Detailed Description

The preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings, but the preferred embodiments should not be used to limit the scope of the present utility model.

Referring to fig. 1-5, there is shown a double hammer crusher with a clear and no screen deck according to the present utility model, comprising: an upper hammer breaking mechanism 1 and a lower blow breaking mechanism 3; a hammer breaking cavity 7 for accommodating the upper hammer breaking mechanism 1 and the lower blow breaking mechanism 3; the hammer breaking cavity 7 comprises a cylindrical upper hammer breaking cavity 71 and a cylindrical lower hammer breaking cavity 72 which is positioned obliquely below the upper hammer breaking cavity 71, and the upper hammer breaking cavity 71 and the lower hammer breaking cavity 72 are communicated at adjacent positions; the upper hammer breaking mechanism 1 and the lower hammer breaking mechanism 3 are respectively arranged in the upper hammer breaking cavity 71 and the lower hammer breaking cavity 72, the upper hammer breaking mechanism 1 and the lower hammer breaking mechanism 3 respectively comprise an upper hammer shaft 12 and a lower hammer shaft 32, the upper hammer shaft 12 and the lower hammer shaft 32 are respectively arranged in the upper hammer breaking cavity 71 and the lower hammer breaking cavity 72 and are arranged in parallel, a plurality of upper hammer heads 11 are arranged on the upper hammer shaft 12, and a plurality of lower hammer heads 31 are arranged on the lower hammer shaft 32; the upper hammer breaking power device 2 and the lower hammer breaking power device 4 are respectively connected with the upper hammer shaft 12 and the lower hammer shaft 32 and are used for driving the upper hammer shaft 12 and the lower hammer shaft 32 to rotate anticlockwise, and the upper hammer head 11 and the lower hammer head 31 meet at the adjacent joint of the upper hammer breaking cavity 71 and the lower hammer breaking cavity 72 and are used for shearing samples; the upper hammer breaking power device 2 and the lower hammer breaking power device 4 comprise motors and belt transmission mechanisms; a hopper 8 is arranged above the upper hammer breaking cavity 71, and the upper end of a feeding device 6 is communicated with a feeding hole 81 in front of the feeding hole 8 and is used for inputting sample materials into the hopper 8; a discharge hole 73 is arranged below the lower hammer breaking cavity 72; the feeder 6 typically employs a belt conveyor to convey the sample into a hopper 8, and through the hopper 8 to a hammer chamber 7. The utility model is characterized in that: a sample cleaning device 5 for cleaning a feed inlet is arranged in the feed hopper 8, and the sample cleaning device 5 comprises: a gate 57 having a shape adapted to an upper end opening of the hammer breaking chamber 7, and a gate elevating motor 52 provided at a top of the upper hammer breaking chamber 71 connected to the gate 57 through a transmission mechanism 56 for driving the gate 57 to move up and down; two gate guide plates 58 are arranged in the rear side plate of the hopper 8, and guide grooves 571 matched with the gate guide plates 58 are arranged on the gates 57.

Further, the transmission mechanism 56 of the sample removing device 5 comprises a worm 561 connected with the output shaft of the gate elevating motor 52 and a worm wheel 562 meshed with the worm 561, a screw hole is arranged in the center of the worm wheel 562, an elevating rod 563 is in threaded connection with the screw hole in the center of the worm wheel 562, and the lower end of the elevating rod 563 is connected with the gate 57. The gate lifting motor 52 drives the worm 561 to rotate, the worm 561 drives the worm wheel 562 to rotate, and the worm wheel 562 drives the lifting rod 563 to do linear up-down lifting motion while rotating, so that the gate 57 is driven to lift, and cleaning of the inside of the hopper 8 is realized.

Further, in order to prevent the up-and-down movement of the shutter 57 beyond the limit position during the multiple cleaning processes, the sample cleaning device 5 further includes a limiting mechanism 59, the limiting mechanism 59 includes a sensing plate 54 provided on the lifting rod 563, a cylindrical sleeve 591 is provided outside the lifting rod 563, and an upper sensor 53 and a lower sensor 55 for limiting the up-and-down position of the shutter 57 are provided on the sleeve 591. Through stop gear 59, when upper inductor 53 or lower inductor 55 is sensed to the sensing plate 54, stop the motion immediately to reverse the motion, thereby can accurately realize many cleaning movements.

Further, in order to facilitate the maintenance of the gate 57, the sample cleaning device 5 further comprises an access door 51, and the access door 51 is mounted on the rear side of the hopper 8. In the event of a fault, the access door 51 may be opened to access the sample collection device 5.

When the double-hammer crusher with the sample clearing and no sieve plate is used, firstly, the gate 57 is opened to be in an opened state, the feeding device 6 is opened to convey sample materials to the feeding hopper 8, meanwhile, the upper hammer breaking mechanism 1 and the lower hammer breaking mechanism 3 are started, the upper hammer breaking mechanism 1 and the lower hammer breaking mechanism 3 rotate anticlockwise, the upper hammer 11 and the lower hammer 31 meet at the adjacent positions and shear the sample materials, the crushing is realized, and the granularity of the crushing is determined by the gap between the upper hammer and the lower hammer. The crushed sample is conveyed to an external hopper from a discharge hole at the lower part of the lower crushing cavity 72. After the hammer breaking is finished, the gate 57 of the sample cleaning device 5 moves up and down for a plurality of times, as shown in fig. 4, the feed hopper is cleaned through the gate 57, and finally the feed hopper is lowered to a closed position (as shown in fig. 5), and the upper hammer breaking mechanism 1 and the lower hammer breaking mechanism 3 continue to rotate, so that the cleaning effect is achieved.

The above description is intended to be illustrative of the utility model only and not limiting, and the utility model is intended to provide a double hammer crusher with a clear and non-screening deck, as will be appreciated by those skilled in the art, many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the following claims, for example: the belt transmission mechanisms of the upper and lower hammer breaking power devices are changed into transmission mechanisms such as gears, chain wheels and the like, but all fall into the protection scope of the utility model.

Claims (6)

1. A double hammer crusher with a clear sample without a screen deck, comprising: an upper hammer breaking mechanism (1), a lower hammer breaking mechanism (3) and a hammer breaking cavity (7), wherein the hammer breaking cavity (7) comprises a cylindrical upper hammer breaking cavity (71) and a cylindrical lower hammer breaking cavity (72) which is positioned obliquely below the upper hammer breaking cavity (71), and the upper hammer breaking cavity (71) and the lower hammer breaking cavity (72) are communicated at adjacent positions; the upper hammer breaking mechanism (1) and the lower hammer breaking mechanism (3) are respectively arranged in the upper hammer breaking cavity (71) and the lower hammer breaking cavity (72), the upper hammer breaking mechanism (1) and the lower hammer breaking mechanism (3) respectively comprise an upper hammer shaft (12) and a lower hammer shaft (32) which are arranged in the upper hammer breaking cavity (71) and the lower hammer breaking cavity (72) and are arranged in parallel, a plurality of upper hammerheads (11) are arranged on the upper hammer shaft (12), and a plurality of lower hammerheads (31) are arranged on the lower hammer shaft (32); the upper hammer breaking power device (2) and the lower hammer breaking power device (4) are respectively connected with the upper hammer shaft (12) and the lower hammer shaft (32) and used for driving the upper hammer shaft (12) and the lower hammer shaft (32) to rotate anticlockwise, and the upper hammer head (11) and the lower hammer head (31) meet at the adjacent joint of the upper hammer breaking cavity (71) and the lower hammer breaking cavity (72) and are used for shearing sample materials; a hopper (8) is arranged above the upper hammer breaking cavity (71), and the upper end of one feeding device (6) is communicated with a feeding port (81) in front of the hopper (8) and is used for inputting sample materials into the hopper (8); a discharge hole (73) is arranged below the lower hammer breaking cavity (72); the method is characterized in that: a sample cleaning device (5) for cleaning the loading hopper is arranged in the loading hopper (8), and the sample cleaning device (5) comprises: a gate (57) with a shape matched with the upper end opening of the hammer breaking cavity (7), and a gate lifting motor (52) arranged at the top of the upper hammer breaking cavity (71) is connected with the gate (57) through a transmission mechanism (56) and used for driving the gate (57) to do lifting movement; two gate guide plates (58) which are vertically arranged are arranged in the rear side plate of the charging hopper (8), and guide grooves which are matched with the gate guide plates (58) are formed in the gate (57).

2. A double hammer crusher with clearing and no screen deck according to claim 1, characterized in that:

the transmission mechanism (56) comprises a worm (561) connected with an output shaft of the gate lifting motor (52) and a worm wheel (562) meshed with the worm (561), a screw hole is formed in the center of the worm wheel (562), a lifting rod (563) is in threaded connection with the screw hole in the center of the worm wheel (562), and the lower end of the lifting rod (563) is connected with the gate (57).

3. A double hammer crusher with clearing and no screen deck according to claim 2, characterized in that:

the sample clearing device (5) further comprises a limiting mechanism (59), the limiting mechanism (59) comprises an induction plate (54) arranged on the lifting rod (563), a cylindrical sleeve (591) is arranged outside the lifting rod (563), and an upper inductor (53) and a lower inductor (55) used for limiting the upper position and the lower position of the gate (57) are arranged on the sleeve (591).

4. A double hammer crusher with a clear and no screen deck according to any one of claims 1-3, characterized in that: the sample cleaning device (5) further comprises an access door (51), and the access door (51) is arranged on the rear side face of the feeding hopper (8).

5. A double hammer crusher with a clear and no screen deck according to any one of claims 1-3, characterized in that: the upper hammer breaking power device (2) and the lower hammer breaking power device (4) respectively comprise a motor and a belt transmission mechanism.

6. A double hammer crusher with a clear and no screen deck according to any one of claims 1-3, characterized in that: the feeding device (6) is a belt conveying mechanism.

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