CN219273228U - Solid raw material crushing device - Google Patents

Abstract

The utility model discloses a solid raw material crushing device, which comprises a crushing box, wherein two sides of the crushing box are respectively provided with a feed inlet, the lower part in the crushing box is provided with a crushing device and a grinding device, the left side and the right side above the crushing device are respectively provided with a pre-crushing mechanism, the pre-crushing mechanism comprises a turnover bottom box, one side of a screen for placing the bottom box after turnover is positioned above the feed inlet of the crushing device, the top wall of the crushing box is respectively connected with a crushing plate capable of vertically reciprocating through a first electric push rod above each bottom box, and the bottom of the crushing plate is provided with a plurality of crushing cutter blocks; through setting up first electric putter and driving crushing board and broken sword and reciprocate about fast to carry out preliminary breakage to placing the solid raw materials in the box, can avoid the swing reducing mechanism among the prior art to swing the pole that appears when smashing solid raw materials and swing and can't exert the crushing effect that the pressure caused to solid raw materials not good problem.

Description

Solid raw material crushing device

Technical Field

The utility model belongs to the technical field of solid crushing equipment, and particularly relates to a solid raw material crushing device.

Background

In the production of some chemical substances, such as the production and manufacture of D-33 diol monomers, a solid raw material crushing device is used to crush the solid D-33 diol monomer blocky solid coagulated into solid, and finally, the solid is crushed into small granular or powdery D-33 diol monomer raw materials.

For a crushing device similar to the solid raw materials, for example, a crushing device for a chemical industry field disclosed by publication No. CN212396816U is structurally shown in figure 1, and comprises a crushing box a, wherein the tops of the left side surface and the right side surface of the crushing box a are respectively communicated with a feed inlet b, the inner top side wall of the crushing box a is fixedly connected with a swinging crushing device, the swinging crushing device comprises a driving motor c, the output end of the driving motor c is fixedly connected with a rotating disc d, the outer side surface of the rotating disc d is provided with a swinging rod e, the bottom of the swinging rod e is provided with a fixed block, the lower surface of the fixed block is fixedly connected with a crushing plate f, the lower surface of the crushing plate f is fixedly connected with a striking block g, and the upper surface of the crushing plate is fixedly connected with a balancing weight h; the inner top of the crushing box is fixedly connected with a stabilizing frame i, the left side and the right side of the back of the crushing box a are fixedly connected with motor plates, the upper surface of each motor plate is fixedly connected with a transmission motor, the output end of the transmission motor is fixedly connected with a rotating wheel j, the rotating wheel is in transmission connection k through a transmission steel belt, and a crushing device l is arranged in the crushing box a. This solid raw material crushing device drives crushing plate and striking piece up-and-down reciprocating motion through driving motor and breaks solid raw material, avoids the oversized solid raw material to damage reducing mechanism, improves the crushing effect to the raw materials.

In the prior art, a similar crushing device to the above is provided with a swinging crushing mechanism at the upper part of the crushing device, namely, a driving motor drives a swinging rod to reciprocate up and down so as to crush materials on a transmission steel belt, because the driving motor drives a rotating disc of the swinging rod to rotate, and the swinging rod connected with the rotating disc needs to reciprocate up and down, therefore, the swinging rod is hinged with the rotating disc, and does not rotate along with the rotating disc under the action of gravity of a crushing plate and a balancing weight when the rotating disc rotates, so that the swinging rod reciprocates up and down so as to crush the materials, but the above mode has a certain defect, as shown in fig. 2, when the swinging rod moves downwards to an impact block at the lower part of the swinging rod to contact the materials, the impact block is subjected to the reverse resistance of the materials, because the upper part of the swinging rod is hinged relative to the rotating disc, and when the rotating disc continues to rotate, the swinging rod can tilt along with the rotation of a hinge point, namely, the swinging rod can tilt and swing when the crushing force is applied, so that the materials cannot be subjected to full extrusion crushing, and the crushing effect of the materials is limited, and the crushing effect of the mechanism is influenced.

Disclosure of Invention

In view of the defects and drawbacks existing in the prior art, the utility model aims to provide a solid raw material crushing device, which solves the problems that in the prior art, a rocking rod of the solid raw material crushing device drives a rotating disc to rotate through a driving motor so as to directly drive the rocking rod which is hinged with the rocking rod to reciprocate up and down, so that a striking block cannot forcefully strike and crush a solid raw material (when crushing and applying force, the rocking rod can tilt and swing and cannot crush under pressure), thereby causing the crushing effect of the rocking crushing mechanism on the raw material to be limited and influencing the using effect of equipment.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a solid raw material reducing mechanism, includes crushing case, crushing case both sides respectively are equipped with a feed inlet, crushing incasement lower part is equipped with a reducing mechanism and a grinding device, and the top left and right sides of reducing mechanism respectively is equipped with a prefracture mechanism, prefracture mechanism include one with the feed inlet relative place end box, place end box be close to crushing case center's a lateral wall by first screen cloth preparation, place end box through a upset actuating mechanism can make its screen cloth one side overturn downwards with crushing case be connected, and place end box screen cloth one side after the upset and be in reducing mechanism's feed inlet top, but crushing case roof is gone up in every top of placing end box and is connected a reciprocating motion's crushing board from top to bottom through a first electric putter respectively, crushing board bottom is equipped with a plurality of crushing knife blocks.

As a further improvement of the utility model, the turnover mechanism comprises a second electric push rod fixed on the side wall of the crushing box, the other end of the second electric push rod is hinged with a sliding block, and the sliding block can slide left and right and is connected with a sliding rail at the bottom of the placement box in a sliding way.

As a further improvement of the utility model, the crushing device comprises a crushing box, two crushing rotating wheels which are driven to rotate by a rotation driving mechanism are arranged in the crushing box, a plurality of crushing cutters are arranged on the circumferential walls of the two crushing rotating wheels, the bottom wall and the left side and the right side of the crushing box are in arc shapes corresponding to the two crushing rotating wheels, and a feed inlet is arranged at the upper part of the crushing box.

As a further improvement of the utility model, the left and right sides of the bottom of the crushing box are provided with an opening, the opening is provided with a second screen, the grinding device is arranged below the opening and comprises a grinding cylinder, a rotatable grinding wheel is arranged in the grinding cylinder, the grinding wheel is connected with a rotary driving mechanism for driving the grinding wheel to rotate through a driving mechanism, an inlet is arranged above the grinding cylinder, a discharge port is arranged below the grinding cylinder, the inlet is communicated with the opening through a transition bin, and the discharge port extends out of the crushing box.

As a further improvement of the utility model, a third screen is arranged at the discharge hole.

As a further improvement of the utility model, the rotary driving mechanism comprises a motor and two gears arranged on the two crushing rotating wheels, the motor is connected with one of the crushing rotating wheels, and the two crushing rotating wheels are meshed and connected through the two gears.

As a further improvement of the utility model, the driving mechanism comprises two belt wheels, wherein one belt wheel is coaxially connected with the crushing rotating wheel, the other belt wheel is coaxially connected with the grinding wheel, and the two belt wheels are matched and connected through an annular belt.

The utility model has the beneficial effects that:

1. through setting up the pre-crushing mechanism into the structure of placing the box that can overturn, first electric putter drives crushing plate and crushing sword quick up-and-down reciprocating motion, thereby enter into placing the box through the feed inlet when solid raw materials, through the continuous reciprocating motion of first electric putter drive crushing sword piece, thereby carry out preliminary crushing to placing the solid raw materials in the box, after the breakage is accomplished, upset actuating mechanism drives and places the box upset, place the solid raw materials of the great piece in the box then by first screen cloth screen in placing the box, can continue the breakage by pre-crushing mechanism, and the solid raw materials of fritter slide into the reducing mechanism of below through the screen cloth in, continue the secondary crushing by reducing mechanism, get into grinding device at last and carry out tertiary crushing, the pre-crushing mechanism in this device compares with the wobbling reducing mechanism among the prior art, can avoid swaying the tilting lever that appears when smashing the solid raw materials and can't apply the problem that the crushing effect is bad that the pressure is consequently led to the fact to the solid raw materials, this device simple structure, the crushing effect has been improved.

2. Through setting up tilting mechanism into the structure of second electric putter and slider to when the second electric putter stretches out and draws back, can drive to place the box upset, easy operation.

3. Through setting up reducing mechanism into the structure of crushing case and two crushing runners, can cut the breakage to the raw materials of crushing incasement through the rotation of two crushing runners, establish crushing case diapire and left and right sides into the arc shape that corresponds with two crushing runners homophase, with crushing runner assorted, improve crushing runner and solid raw materials's crushing contact.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram illustrating the analysis of the defects of the prior art rocking crushing mechanism;

FIG. 3 is a schematic diagram of a prior art structure;

FIG. 4 is a schematic cross-sectional view of a prior art;

in the figure: 1. a crushing box; 2. a feed inlet; 3. a pulverizing device; 31. a crushing box; 32. crushing a rotating wheel; 33. a crushing knife; 34. an opening; 35. a second screen; 36. a gear; 4. a milling device; 41. grinding cylinder; 42. grinding wheel; 43. an access port; 44. a discharge port; 45. a third screen; 5. a pre-crushing mechanism; 51. placing a bottom box; 52. a first screen; 53. a turnover driving mechanism; 531. a second electric push rod; 532. a slide block; 533. a slide rail; 54. a first electric push rod; 55. crushing the plate; 56. crushing a cutter block; 6. a feed inlet; 7. a driving mechanism; 71. a belt wheel; 72. an endless belt; 8. a transition bin; 9. and (5) supporting legs.

Detailed Description

The utility model is described in further detail below with reference to fig. 3-4.

For convenience of description, the coordinate system is defined as shown in fig. 3, and the left-right direction is a transverse direction, the front-rear direction is a longitudinal direction, and the up-down direction is a vertical direction.

The embodiment of the utility model discloses a solid raw material crushing device. Referring to fig. 3, a solid raw material crushing device comprises a crushing box, wherein two sides of the crushing box are respectively provided with a feed inlet, as shown in fig. 4, the crushing box 1 is supported on the ground through supporting legs 9, a crushing device 3 and a grinding device 4 are arranged at the lower part in the crushing box 1, a pre-crushing mechanism 5 is respectively arranged at the left side and the right side above the crushing device 3, the pre-crushing mechanism 5 comprises a bottom box 51 opposite to the feed inlet 2, a side wall of the bottom box 51 close to the center of the crushing box 1 is made of a first screen mesh 52, the bottom box 51 can be downwards turned by a turning driving mechanism 53 to be connected with the crushing box 1, one side of the bottom box 51 with the screen mesh is arranged above the feed inlet 6 of the crushing device 3 after turning, a crushing plate 55 capable of vertically reciprocating is respectively connected to the top wall of the crushing box 1 above each bottom box 51 through a first electric push rod 54, and a plurality of crushing cutter blocks 56 are arranged at the bottom of the crushing plate 55.

In particular to this embodiment, tilting mechanism including fixing the second electric putter 531 on smashing case 1 lateral wall, second electric putter 531 can set up two at every and place end box 51 portion, set up respectively in the front and back both sides of placing end box 51, improves fixed support power, second electric putter 531 other end articulates a slider 532, slider 532 side-to-side slidable with place box bottom's slide rail 533 or spout sliding connection, place end box 51 portion and be close to smashing case 1 lateral wall's one end and smash case 1 articulated, during operation, when stretching out and drawing back through second electric putter 531, can drive to place the box upset, easy operation.

As shown in fig. 4, the crushing device 3 includes a crushing box 31, front and rear ends of the crushing box 31 are fixed on a sidewall of the crushing box 1, two crushing wheels 32 are disposed in the crushing box 31 and driven to rotate by a rotation driving mechanism, in this embodiment, the rotation driving mechanism includes a motor (not shown in the drawing) and two gears 36 disposed on the two crushing wheels 32, the motor is connected with one of the crushing wheels 32, the two crushing wheels 32 are engaged and connected by the two gears 36, and it should be noted that the motor and the gears 36 are disposed outside the crushing box 1, that is, a central rotating shaft of the crushing wheel 32 extends out of the sidewall of the crushing box 1, and when the two gears 36 and the motor (not shown in the drawing) are disposed on different sides.

The two crushing rotating wheels 32 are provided with a plurality of crushing cutters 33 on the circumferential wall, the bottom wall and the left side and the right side of the crushing box 31 are provided with arc shapes corresponding to the two crushing rotating wheels 32, and the feeding port 6 is arranged on the upper part of the crushing box 31. The raw materials in the crushing box 31 can be cut and crushed through the rotation of the two crushing rotating wheels 32, the bottom wall and the left side and the right side of the crushing box 31 are set to be arc-shaped corresponding to the two crushing rotating wheels 32, the arc-shaped corresponding to the crushing rotating wheels are matched with the crushing rotating wheels, and the crushing contact between the crushing rotating wheels and the solid raw materials is improved.

In addition, the left and right sides of the bottom of the crushing box 31 are provided with an opening 34, the opening 34 is provided with a second screen 35, the grinding device 4 is arranged below the opening 34 and comprises a grinding drum 41, a rotatable grinding wheel 42 is arranged in the grinding drum 41, the grinding wheel 42 is connected with a rotary driving mechanism for driving the grinding wheel 42 to rotate through a driving mechanism 7, the specific driving mechanism 7 comprises two belt pulleys 71, one belt pulley 71 is coaxially connected with the crushing rotating wheel 32, the other belt pulley 71 is coaxially connected with the grinding wheel 42, the two belt pulleys 71 are cooperatively connected through an annular belt 72, and when the crushing rotating wheel 32 rotates, the grinding wheel 42 is driven to rotate through the belt pulleys 71 and the annular belt 72. An inlet 43 is arranged above the grinding cylinder 41, raw materials coming out of the opening 34 of the crushing box 31 can enter the grinding cylinder 41 from the inlet 43, a discharge outlet 44 is arranged below the grinding cylinder 41, the inlet 43 is communicated with the opening 34 through a transition bin 8, the discharge outlet 44 extends out of the grinding box 1, in addition, in order to enable the size of the raw materials coming out of the discharge outlet 44 to meet the required requirements, a third screen 45 with corresponding specifications can be arranged at the discharge outlet 44, so that the raw materials meeting the requirements are screened out from the third screen 45, and the relatively large raw materials continue to be kept in the grinding cylinder 41 for grinding.

The implementation process of the utility model is as follows: the solid raw materials enter the bottom placing box 51 through the feeding hole 2, the first electric push rod 54 drives the smashing plate 55 and the smashing knife 33 to reciprocate up and down, so that the smashing knife 33 is used for carrying out primary smashing on the solid raw materials placed in the bottom placing box 51, after the primary smashing is finished, the extending rod of the second electric push rod 531 is retracted, the bottom placing box 51 is turned downwards, after the solid raw materials placed in the bottom placing box 51 are turned downwards, the solid raw materials fall into the smashing box 31 after being screened by the first screen mesh 52, the smashing runner 32 and the smashing knife 33 in the smashing box 31 carry out secondary smashing, in the secondary smashing process, the solid raw materials with smaller block size or granularity enter the grinding barrel 41 through the transition bin 8 through the screening of the second screen mesh 35 of the opening 34, the grinding barrel 41 carries out tertiary smashing on the solid raw materials, and finally the solid raw materials meeting the granularity requirement flow out the smashing box 1 from the discharging hole 44 through the screening of the third screen mesh 45.

According to the utility model, the pre-crushing mechanism 5 is arranged into a turnover placing box, the first electric push rod 54 drives the crushing plate 55 and the crushing knife to reciprocate up and down, so that when solid raw materials enter the placing box through the feeding hole 2, the crushing knife block 56 is driven by the first electric push rod 54 to reciprocate up and down continuously, so that the solid raw materials in the placing box are primarily crushed, after crushing is finished, the placing box is driven by the turnover driving mechanism 53 to turn over, the solid raw materials with larger size in the placing box are screened by the first screen mesh 52 and are left in the placing box, the pre-crushing mechanism 5 can continue crushing, the small solid raw materials slide into the lower crushing device 3 through the screen mesh, the crushing device 3 continues to perform secondary crushing, and finally the solid raw materials enter the grinding device 4 to perform tertiary crushing.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the utility model to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.

Claims (7)

1. The utility model provides a solid raw material reducing mechanism, includes crushing case, and crushing case both sides respectively are equipped with a feed inlet, and crushing incasement lower part is equipped with a reducing mechanism and a grinding device, its characterized in that: the left side and the right side of the top of the crushing device are respectively provided with a pre-crushing mechanism, the pre-crushing mechanism comprises a bottom box which is opposite to the feed inlet and is arranged, a side wall of the bottom box which is close to the center of the crushing box is made of a first screen, the bottom box is arranged to enable one side of the screen to be downwards overturned through a overturning driving mechanism and connected with the crushing box, one side of the screen on which the bottom box is arranged after overturning is arranged above the feed inlet of the crushing device, the top wall of the crushing box is respectively connected with a crushing plate which can reciprocate up and down through a first electric push rod above each bottom box, and a plurality of crushing cutter blocks are arranged at the bottom of the crushing plate.

2. A solid raw material crushing apparatus according to claim 1, wherein: the overturning driving mechanism comprises a second electric push rod fixed on the side wall of the crushing box, the other end of the second electric push rod is hinged with a sliding block, and the sliding block can slide left and right and is in sliding connection with a sliding rail at the bottom of the placing box.

3. A solid raw material crushing apparatus according to claim 1, wherein: the crushing device comprises a crushing box, two crushing rotating wheels which are driven by a rotation driving mechanism to rotate are arranged in the crushing box, a plurality of crushing cutters are arranged on the circumferential walls of the two crushing rotating wheels, the bottom wall and the left side and the right side of the crushing box are arranged into arc shapes corresponding to the two crushing rotating wheels, and a feeding port is formed in the upper portion of the crushing box.

4. A solid raw material crushing apparatus according to claim 3, wherein: the crushing box bottom left and right sides all be equipped with an opening, be equipped with the second screen cloth on the opening, mill the device setting in the open-ended below, including grinding the section of thick bamboo, be equipped with a rotatable grinding wheel in the grinding section of thick bamboo, the grinding wheel is connected with its pivoted rotation actuating mechanism of drive through driving mechanism, the top of grinding the section of thick bamboo is equipped with an inlet port, the below is equipped with the discharge gate, the inlet port passes through transition storehouse and opening intercommunication, the discharge gate stretches out crushing box outside.

5. The solid raw material pulverizing apparatus according to claim 4, wherein: and a third screen is arranged at the discharge hole.

6. A solid raw material crushing apparatus according to claim 3, wherein: the rotary driving mechanism comprises a motor and two gears arranged on the two crushing rotating wheels, the motor is connected with one of the crushing rotating wheels, and the two crushing rotating wheels are connected through two gears in a meshed manner.

7. The solid raw material pulverizing apparatus according to claim 4, wherein: the driving mechanism comprises two belt wheels, one belt wheel is coaxially connected with the crushing rotating wheel, the other belt wheel is coaxially connected with the grinding wheel, and the two belt wheels are matched and connected through an annular belt.

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