CN107824300B - Hammer type crushing equipment - Google Patents

Abstract

The invention belongs to the technical field of medicinal material crushing, and particularly relates to hammer type crushing equipment. It has solved the unreasonable scheduling problem of prior art design. This hammer crushing apparatus includes the frame, is connected with the bearing box just in the frame the bearing box be connected with driving motor, be connected with crushing feed bin at the opening end of bearing box, be equipped with the blade assembly just in crushing feed bin the output shaft of blade assembly and bearing box, be equipped with the cover in the bearing box and establish on the output shaft and with the synchronous pivoted radiator fan of output shaft, radiator fan blows the heat of bearing box inside to the opening end of bearing box, is equipped with U-shaped radiating passage just on the wall thickness of bearing box U-shaped radiating passage both ends be located the opening end of bearing box. The invention has the advantages that: the heat radiation performance can be improved.

Description

Hammer type crushing equipment

Technical Field

The invention belongs to the technical field of medicinal material crushing, and particularly relates to hammer type crushing equipment.

Background

The crushing of medicinal materials generally adopts crushing equipment.

The existing crushing equipment comprises a discharging hopper, raw materials fall into a crushing cavity to be crushed, a cutter is generally adopted for crushing, and power of the cutter is driven by an output shaft and a motor connected with the output shaft.

The output shaft passes through the bearing to be fixed in the bearing box, and the high-speed rotation of output shaft, it has produced a large amount of heat energy in the bearing box, and the heat dispersion of self of bearing box is relatively poor, leads to need frequent maintenance or change the bearing, and the design is unreasonable.

For example, chinese patent discloses a hammer mill, application No. 201620789573.1, which comprises a pulverizing part and a blanking part, the blanking part under the pulverizing part is funnel-shaped, the funnel-shaped blanking part comprises a front inclined plate, a rear inclined plate and two side plates for plugging the front inclined plate and the rear inclined plate, an upper opening of the funnel-shaped blanking part is communicated with a discharge opening of the pulverizing part, a discharge opening of the funnel-shaped blanking part is communicated with an air inlet of an induced duct, air adjusting openings are arranged on the two side plates, the rear inclined plate and the front inclined plate, and the air adjusting openings comprise air inlets arranged on the two side plates, the rear inclined plate and the front inclined plate, chutes arranged on the air inlets and inserting plates inserted into the chutes. The hammer mill has the advantages of quick blanking, no material storage and high milling efficiency.

However, the above solution does not completely solve the above technical problem, and therefore, there is an urgent need to develop a cooling system that can solve the above problem of poor heat dissipation.

Disclosure of Invention

The invention aims to solve the problems and provide a hammer mill device capable of improving heat dissipation performance.

In order to achieve the purpose, the invention adopts the following technical scheme: this hammer mill includes the frame, is connected with the bearing box just in the frame the bearing box be connected with driving motor, be connected with crushing feed bin at the opening end of bearing box, be equipped with the blade assembly just in crushing feed bin the output shaft of blade assembly and bearing box, be equipped with the cover in the bearing box and establish on the output shaft and with the synchronous pivoted radiator fan of output shaft, radiator fan blows the heat of bearing box inside to the opening end of bearing box, is equipped with U-shaped radiating passage just on the wall thickness of bearing box U-shaped radiating passage both ends be located the opening end of bearing box.

In the hammer type crushing equipment, a plurality of bearings are arranged between the bearing box and the output shaft, one end of the cooling fan is abutted against one of the bearing inner rings of the two adjacent bearings, and the other end of the cooling fan is abutted against the other bearing inner ring of the two adjacent bearings.

In the hammer type crushing equipment, the wall thickness of the side edge of the bearing box is provided with two sub-holes which are correspondingly arranged, and the wall thickness of the closed end of the bearing box is provided with a communicating structure which can communicate the two sub-holes.

In the hammer type crushing equipment, the communication structure comprises communication holes which are arranged on the wall thickness of the closed end of the bearing box and are communicated with the sub-holes one by one, and the wall thickness of the closed end of the bearing box is also provided with an annular groove which is used for communicating the two communication holes.

In the hammer mill, the annular grooves are arranged at intervals, and an annular bulge is formed between every two adjacent annular grooves.

In foretell hammer mill, the bearing box include the tube-shaped body and connect the ring end cover in tube-shaped body one end, the intercommunicating pore setting be close to the one end of tube-shaped body at the ring end cover, the one end inboard of keeping away from the tube-shaped body at the ring end cover is equipped with the reaming and is located the rotating member in the reaming, the rotating member cover is established on the output shaft and is equipped with foretell ring channel in the circumference of rotating member, the one end of keeping away from the tube-shaped body at the ring end cover still is equipped with and is located the rotating member outside and overlap the end cover in the output shaft outside, end cover and tube-shaped body sealing connection, sealing connection between end cover and the output shaft.

In the hammer mill apparatus, a gap is left between the outer wall of the rotating member and the inner wall of the counterbore.

In the hammer mill, the ring end cover is further provided with an inner sealing ring positioned on the inner end surface side of the rotating member.

In the hammer mill, the inner sealing ring comprises an outer sealing ring fixed in the circular end cover, an annular positioning groove is formed in the inner wall of the outer sealing ring, the inner sealing ring is arranged in the annular positioning groove, and the inner side of the inner sealing ring is provided with a bending part which bends towards the side far away from the rotating part.

In the hammer mill, two ends of the output shaft are respectively extended out of two ends of the bearing box.

In foretell hammer mill, the blade assembly include the center pin, the cover be equipped with a plurality of with center pin circumference fixed connection's single-edged blade on the center pin, the single-edged blade arrange in proper order and every four single-edged blades be the cross and distribute along the center pin axial, the cover is equipped with twolip blade and every two cutting edge orientations of twolip blade respectively at the both ends of center pin opposite, twolip blade fix at the both ends of center pin just through dismantling coupling mechanism the single-edged blade setting between two twolip blades.

In the hammer type crushing device, the outer wall of the central shaft is provided with a plurality of grooves which are axially arranged along the central shaft, a dovetail body is formed between every two adjacent grooves, and the inner wall of the ferrule of each single-edge blade is respectively provided with a plurality of inner convex parts which are clamped in the grooves one by one.

In the hammer type crushing equipment, the grooves are uniformly distributed on the circumference, and the inner convex parts are uniformly distributed on the circumference.

In the hammer type crushing equipment, chamfers are arranged on two sides of the notch of the groove.

In the hammer type crushing device, the middle part of the central shaft is provided with an annular outer convex shoulder part, and a plurality of single-edge blades positioned at two ends of the annular outer convex shoulder part are sleeved on the central shaft.

In the hammer type crushing equipment, the annular outer convex shoulder is sleeved with the spacer ring, and one corresponding surface of the two single-blade blades close to the spacer ring is respectively contacted with two end surfaces of the spacer ring.

In the hammer mill, the detachable connecting mechanism comprises a plurality of connecting bolts penetrating through the middle of the double-edged blade, screw holes for the connecting bolts to be inserted one by one are respectively formed in the end parts of the two ends of each dovetail body, and the connecting bolts are in threaded connection with the screw holes.

In the hammer type crushing equipment, the end parts of the two ends of each dovetail body are respectively provided with a positioning pin, and the middle part of each double-edge blade is respectively provided with a positioning hole for the positioning pins to be inserted one by one.

In the hammer type crushing equipment, the central shaft is cylindrical, and the middle part of the inner wall of the central shaft is provided with a circumferential positioning structure.

In the hammer type crushing equipment, the circumferential positioning structure comprises an inner convex annular part arranged in the middle of the inner wall of the central shaft, and a plurality of circumferentially distributed circumferential positioning notches are arranged on the inner side of the inner convex annular part.

In foretell hammer mill, crushing feed bin be vertical setting, the upper end of crushing feed bin be the feed end and be connected with the integral type guide cylinder at the feed end, the inner wall of integral type guide cylinder is cylindrical inner wall, is equipped with in the integral type guide cylinder and dials the material valve block, wear to be equipped with in dialling the material valve block with dialling material valve block circumference fixed connection the pivot just with the hopper rotation be connected at the pivot both ends, the pivot pass through the switching-over valve and be connected with pneumatic motor.

The designed material shifting valve plate cooperates with the plurality of material shifting blades, so that the uniformity and timeliness of each blanking can be guaranteed, the design is more reasonable, and the production efficiency is invisibly improved.

The structure of the rotary shaft cooperating with the reversing valve and the pneumatic motor realizes the starting and stopping of mechanical automation, and meanwhile, the design of the pneumatic motor further improves the operation safety.

In the hammer type crushing equipment, the material shifting valve plates are of a semicircular structure and are uniformly distributed on the circumference.

Evenly distributed and ensures the evenness of each blanking.

In the hammer type crushing equipment, the integrated material guide cylinder is vertically arranged, and the upper end of the integrated material guide cylinder is connected with the hopper.

In the hammer type crushing equipment, the rotating shaft is internally provided with a square hole which is axially arranged along the rotating shaft, the transverse section of the rotating shaft is square, and the rotating shaft is inserted into the square hole.

The structure can avoid mutual circumferential rotation.

In foretell hammer mill, integral type guide cylinder outer wall be equipped with the bearing installation cover that two symmetries set up, the both ends of pivot are prolonged respectively to the bearing installation in the cover, are equipped with oil free bearing between bearing installation cover and pivot.

The designed bearing mounting sleeve plays roles in positioning and protection, and ensures the stability of the structure.

In the hammer mill, the outer end of one bearing mounting sleeve is provided with a closed cover, and the other closed cover is connected with the reversing valve.

In the hammer type crushing equipment, a first sealing structure is arranged between the discharge end of the hopper and the integrated material guide cylinder.

In the hammer type crushing equipment, the inner diameter of the discharge end of the hopper is equal to the inner diameter of the integrated guide cylinder.

In the hammer type crushing equipment, a second sealing structure is arranged between the outer end of the bearing mounting sleeve and the sealing cover.

In the hammer type crushing equipment, a third sealing structure is arranged between the bearing mounting sleeve and the reversing valve.

In the hammer mill, the frame comprises an H-shaped underframe, each corner of the H-shaped underframe is respectively connected with a roller, two ends of the H-shaped underframe and a middle cross rod are respectively connected with vertically arranged support legs, the support legs are distributed in a triangular shape, the tops of the support legs are connected with a box body, the driving motor is positioned in the box body, and the bearing box is fixed at one end of the box body.

Compared with the prior art, this hammer mill equipment's advantage lies in:

1. through designing U-shaped heat dissipation channel, it can be with the heat transfer that has absorbed outside the bearing box, and the radiating effect is showing.

2. Through designing radiator fan, it rotates along with the output shaft is synchronous, and at the pivoted in-process, its heat flow velocity that can accelerate the bearing box, promptly, further improved heat dispersion, simultaneously, can reduce the work rotation temperature of bearing by a wide margin, invisibly prolonged the life of bearing.

3. Simple structure and easy manufacture.

4. Due to the design of the single-edge blade, the universality of blade replacement is improved, and the use cost of the cutter is further reduced.

5. The design of the single-edge blade can reduce the manufacturing difficulty and virtually reduce the manufacturing cost.

6. The single-edge blade is in coordination with the double-edge blade, so that the overall crushing performance of the blade assembly can be improved, the structural stability is better, and the practicability is stronger.

7. The designed material shifting valve plate cooperates with the plurality of material shifting blades, so that the uniformity and timeliness of each blanking can be guaranteed, the design is more reasonable, and the production efficiency is invisibly improved.

8. The structure of the rotary shaft cooperating with the reversing valve and the pneumatic motor realizes the starting and stopping of mechanical automation, and meanwhile, the design of the pneumatic motor further improves the operation safety.

Drawings

FIG. 1 is a schematic diagram of the structure provided by the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic view of a cooling structure of a bearing housing provided by the present invention.

Fig. 4 is a schematic structural view of a U-shaped heat dissipation channel provided by the present invention.

FIG. 5 is a schematic view of an inner seal ring structure provided by the present invention.

Fig. 6 is a perspective view of a blade assembly provided by the present invention.

Fig. 7 is a schematic view of a blade assembly structure provided by the present invention.

Fig. 8 is a schematic view of the structure of the central shaft provided by the present invention.

Fig. 9 is a schematic view of an exploded structure of the blade assembly provided by the present invention.

Fig. 10 is a schematic structural view of the spacer ring for a central shaft provided by the present invention.

Fig. 11 is a schematic view of the blanking structure provided by the present invention.

Fig. 12 is a schematic view of a blanking three-dimensional structure provided by the invention.

FIG. 13 is a schematic view of a material-ejecting valve plate according to the present invention.

In the drawing, a bearing box 1, a sub-hole 11, a communicating hole 12, an annular groove 13, an annular protrusion 14, a cylindrical body 1a, an annular end cover 1B, a reaming hole 1C, a rotating piece 1d, a closed end cover 1e, a gap 1f, an inner sealing ring 1g, an outer sealing ring 11g, an inner sealing ring 12g, a bending portion 13g, a bearing 2, an output shaft 3, a heat dissipation fan 4, a U-shaped heat dissipation channel a, a central shaft B1, a groove B11, a dovetail body B12, a chamfer B13, an annular outer shoulder B14, a positioning pin B15, an inner protruding annular portion B16, a circumferential positioning notch B17, a single-edge blade B2, a collar B21, an inner protruding portion B22, a double-edge blade B3, a connecting bolt B31, a positioning hole B32, a spacer ring B4, a hopper C1, a material-ejecting valve sheet C2, a rotating shaft C3, a square hole C31, a reversing valve C4, a pneumatic motor C5, an integrated material guide cylinder C6, a bearing mounting sleeve C7, an oilless bearing C71 and a closed cover C72.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the hammer mill apparatus comprises a frame 5, and specifically, the frame 5 comprises an H-shaped chassis 51, rollers 52 are respectively connected to each corner of the H-shaped chassis 51, vertically arranged legs 53 are respectively connected to two ends and a middle cross bar of the H-shaped chassis 51, the legs 53 are distributed in a triangular shape, a box 54 is connected to the top of the legs 53, the driving motor 5a is located in the box 54, and the bearing box 1 is fixed at one end of the box 54.

The box 54 includes a housing and a movable door disposed on a side of the housing close to the human body, and a display controller is disposed on the housing or the movable door.

Through the design of three stabilizer blades 53, it can reach absolute equilibrium, has avoided because the unbalance leads to the shake in the crushing process.

The frame 5 is connected with a bearing box 1, the bearing box 1 is connected with a driving motor 5a, one end of the bearing box 1 is open, and the other end is closed.

Be connected with crushing feed bin 6 at the open end of bearing box 1, be equipped with blade assembly 10 just in crushing feed bin 6 blade assembly 10 be connected with the output shaft 3 of bearing box 1, be equipped with the bearing 2 that a plurality of intervals set up in bearing box 1 and pass the output shaft 3 of bearing 2, and 3 both ends of output shaft prolong respectively outside the both ends of bearing box 1.

The bearing 2 is a ball bearing.

As shown in the figures 3-5 of the drawings,

a heat radiation fan 4 which is sleeved on the output shaft and synchronously rotates with the output shaft is arranged in the bearing box 1, and the heat radiation fan 4 blows the heat in the bearing box 1 to the open end of the bearing box 1.

By designing the U-shaped heat dissipation channel A, the heat which is absorbed can be transferred to the outside of the bearing box 1, and the heat dissipation effect is remarkable.

Through designing radiator fan 4, it rotates along with the output shaft is synchronous, and at the pivoted in-process, its heat flow velocity that can accelerate the bearing box, promptly, further improved heat dispersion, simultaneously, can reduce the work rotation temperature of bearing by a wide margin, invisibly prolonged the life of bearing.

Specifically, the heat dissipation fan 4 is circumferentially and fixedly connected with the output shaft 3, and the circumferential fixed connection can be realized through the structures of the flat key and the key slot, or the structures of the external teeth and the internal teeth, so that the circumferential mutual rotation can be avoided in the rotating process, and the heat dissipation efficiency is reduced, one end of the heat dissipation fan 4 abuts against the inner ring of one of the two adjacent bearings 2, and the other end of the heat dissipation fan 4 abuts against the inner ring of the other one of the two adjacent bearings 2.

The fan is an axial fan, and can accelerate the flow speed of heat inside and play a role in cooling.

The wall thickness of the bearing box 1 is provided with a U-shaped heat dissipation channel A, and two ends of the U-shaped heat dissipation channel A are positioned at the open end of the bearing box 1. The two ends of the U-shaped heat dissipation channel A are positioned at the open end of the bearing box 1.

As shown in the figures 4-5 of the drawings,

be equipped with two subspertures 11 that correspond the setting on the wall thickness of bearing box 1 side, subsperture 11 one end communicates with the external world, is equipped with the intercommunication structure that can communicate two subspertures 11 on the blind end wall thickness of bearing box 1.

Specifically, the communicating structure comprises communicating holes 12 which are arranged on the wall thickness of the closed end of the bearing box 1 and are communicated with the sub-holes 11 one by one, and an annular groove 13 which is used for communicating the two communicating holes 12 is also arranged on the wall thickness of the closed end of the bearing box 1.

Further, the annular grooves 13 are provided with a plurality of annular protrusions 14 at intervals, and an annular protrusion 14 is formed between two adjacent annular grooves 13.

The communication of the sub-hole 11, the communication hole 12 and the annular groove 13 forms a U-shaped heat dissipation passage a.

The design of the annular groove can increase the heat exchange contact area, i.e., can further improve the heat dissipation performance, and secondly, the design of the annular protrusion 14 can also increase the heat dissipation area, so that the heat can be dissipated timely and effectively.

Specifically, bearing box 1 includes the cylinder 1a and connects the ring end cover 1b in cylinder 1a one end, intercommunicating pore 12 set up the one end that is close to cylinder 1a at ring end cover 1b, the one end inboard of keeping away from cylinder 1a at ring end cover 1b is equipped with reaming 1c and is located the rotating member 1d in reaming 1c, rotating member 1d is the ring form structure, rotating member 1d cover is established on output shaft 3 and is equipped with foretell ring channel 13 in the circumference of rotating member 1d, the one end of keeping away from cylinder 1a at ring end cover 1b still is equipped with and is located the rotating member 1d outside and cover closed end cover 1e in the output shaft 3 outside.

The closed end cover 1e is hermetically connected with the cylindrical body 1a, and further, an outer sealing ring is sleeved on the circumferential direction of the closed end cover 1e and is hermetically connected with the inner wall of the cylindrical body 1 a.

The closed end cover 1e is connected with the output shaft 3 in a sealing way. Further, an inner sealing ring is arranged on the inner side of the closed end cover 1e, and the inner sealing ring is connected with the outer wall of the output shaft in a sealing mode.

Next, the inner seal ring of the present embodiment is disposed obliquely.

In addition, a gap 1f is left between the outer wall of the rotary member 1d and the inner wall of the counterbore 1 c. A gap 1f is provided which facilitates the flow of the air stream.

An inner seal ring 1g is further provided in the annular end cover 1b on the inner end surface side of the rotor 1 d. The inner sealing ring 1g is designed to prevent air flow from flowing back into the bearing housing during heat dissipation.

Specifically, the inner seal ring 1g includes an outer seal ring 11g fixed in the circular end cover 1b, and an annular positioning groove is provided in an inner wall of the outer seal ring 11g, and an inner seal ring 12g is provided in the annular positioning groove, and a curved portion 13g that is curved to a side away from the rotary member 1d is provided inside the inner seal ring 12 g.

The cooling operation principle of the present embodiment is as follows:

the air source is communicated with one end of the U-shaped heat dissipation channel A, external air flow is input into the U-shaped heat dissipation channel A, when the air flow flows in the U-shaped heat dissipation channel A, heat on the bearing box is taken away, namely, the air flow flows out from the other end of the U-shaped heat dissipation channel A after being heated, and the purpose of heat dissipation is achieved.

Secondly, when the output shaft rotates, the heat dissipation fan 4 takes away the heat in the bearing box 1 and blows the heat to the open end of the bearing box 1.

The two heat dissipation combinations can ensure that the bearing does not generate a high-temperature phenomenon, the service life of the bearing can be effectively prolonged, the smooth rotation of the bearing directly enhances the smoothness of the rotation of the blade, and the crushing quality is invisibly improved.

Specifically, as shown in fig. 6 to 10, the blade assembly 10 includes a central shaft B1, the central shaft B1 is cylindrical, and a circumferential positioning structure is disposed in a middle portion of an inner wall of the central shaft B1.

Specifically, as shown in fig. 3, the circumferential positioning structure includes an inner convex annular portion B16 disposed in the middle of the inner wall of the central shaft B1, and a plurality of circumferentially distributed circumferential positioning notches B17 are disposed inside the inner convex annular portion B16.

The designed inner convex annular part B16 cooperates with the circumferential positioning notch B17, circumferential fixation can be realized, and circumferential rotation of the central shaft B1 after assembly is avoided.

The structure can further improve the working and processing precision and stability of the equipment.

The central shaft B1 is sleeved with a plurality of single-blade blades B2 which are fixedly connected with the central shaft B1 in the circumferential direction, specifically, the outer wall of the central shaft B1 is provided with a plurality of grooves B11 which are arranged along the axial direction of the central shaft B1, each groove B11 is a dovetail groove or a linear groove, a dovetail body B12 is formed between every two adjacent grooves B11, and the inner wall of a ferrule B21 of each single-blade B2 is respectively provided with a plurality of inner convex parts B22 which are clamped in the grooves B11 one by one.

Due to the design of the single-edge blade B2, the universality of blade replacement is improved, and the use cost of the cutter is further reduced.

Secondly, the design of the single-edge blade can reduce the manufacturing difficulty and virtually reduce the manufacturing cost.

In addition, the single-edge blade is in coordination with the double-edge blade, so that the overall crushing performance of the blade assembly can be improved, the structural stability is better, and the practicability is stronger.

The design of interior convex part B22 cooperation recess B11, it can realize circumference fixed connection, has avoided center pin B1 relative center pin B1 circumferential direction of single-edged blade B2 when rotating, and this structure is more reliable and more stable, can further improve shredding precision and efficiency.

In an optimized scheme, the grooves B11 are uniformly distributed on the circumference, and the inner convex parts B22 are uniformly distributed on the circumference.

Secondly, chamfers B13 are arranged on two sides of the notch of the groove B11.

Designed chamfer B13, which facilitates the disassembly and assembly of the subsequent blade.

Single-edge blade B2 arranges in proper order and every four single-edge blades B2 is the cross and distributes along center pin B1 axial, overlaps respectively at the both ends of center pin B1 and is equipped with twolip blade B3 and every twolip blade B3's two cutting edge opposite directions, twolip blade B3 fix at center pin B1's both ends just through dismantling coupling mechanism singlelip blade B2 set up between two twolip blade B3.

All the single-edge blades B2 are locked by the two double-edge blades B3, so that the axial movement of the single-edge blades B2 is prevented, and the overall processing performance of the blades is further improved.

An annular outer shoulder part B14 is arranged in the middle of the central shaft B1, and a plurality of single-edge blades B2 positioned at two ends of the annular outer shoulder part B14 are sleeved on the central shaft B1. The designed annular outer convex shoulder part B14 can realize the assembly of the single-edge blade B2 in two sections, and avoids the repeated positioning of the subsequent blade.

Secondly, the structure can also improve the assembly efficiency.

An annular relief groove is provided at the junction of both ends of the annular outer shoulder portion B14 and the central shaft B1.

In addition, a spacer ring B4 is sleeved on the annular outer shoulder part B14, and one surfaces, corresponding to the two single-edge blades B2, close to the spacer ring B4 are respectively contacted with two end surfaces of the spacer ring B4.

The designed spacer ring B4 can avoid the residue of raw materials caused by the gap formed on the corresponding surface of the two single-edge blades B2.

Specifically, the detachable connecting mechanism of this embodiment includes a plurality of connecting bolts B31 penetrating through the middle of the double-edged blade B3, screw holes for inserting the connecting bolts B31 one by one are respectively provided at both end portions of each dovetail body B12, and the connecting bolts B31 are in threaded connection with the screw holes.

The two end parts of each dovetail body B12 are respectively provided with a positioning pin B15, and the middle part of each double-edge blade B3 is respectively provided with a positioning hole B32 for the insertion of the positioning pins B15 one by one.

Through the combination of the positioning pin and the connecting bolt B31, the positioning and the connection can be realized, and the circumferential rotation and the axial falling and shifting are avoided.

Specifically, as shown in fig. 1-2 and fig. 11-13, the crushing bin 6 of this embodiment is vertically disposed, the upper end of the crushing bin 6 is a feeding end, and the feeding end is connected to an integrated guide cylinder C6, the inner wall of the integrated guide cylinder C6 is a cylindrical inner wall, a material shifting valve plate C2 is disposed in the integrated guide cylinder C6, a rotating shaft C3 fixedly connected to the material shifting valve plate C2 in the circumferential direction is disposed in the material shifting valve plate C2, two ends of the rotating shaft C3 are rotatably connected to a hopper C1, and the rotating shaft C3 is connected to a pneumatic motor C5 through a reversing valve C4.

The upper end of the integrated guide cylinder C6 is connected with a hopper C1, the material shifting valve plates C2 are arranged in the integrated guide cylinder C6, the number of the material shifting blades of the material shifting valve plates C2 is 6-10, the material shifting valve plates C2 are of a semicircular structure, and the circumference of the material shifting valve plates C2 is uniformly distributed.

The material stirring blade is provided with an arc convex surface, which can ensure the smooth falling of raw materials.

Secondly, the designed material shifting valve plate C2 cooperates with a plurality of pieces of structures, and the uniformity and timeliness of each blanking can be guaranteed.

A rotating shaft C3 which is fixedly connected with the material shifting valve block C2 in the circumferential direction is arranged in the material shifting valve block C2 in a penetrating mode, and two ends of the rotating shaft C3 are rotatably connected with the hopper C1. Specifically, a square hole C31 axially arranged along the rotating shaft C3 is arranged in the rotating shaft C3, the transverse section of the rotating shaft C3 is square, and the rotating shaft C3 is inserted into the square hole C31.

Through square hole C31 combination transverse section is square pivot C3, and it can realize circumference fixed connection, has avoided mutual circumferential direction.

The rotating shaft C3 is connected with a pneumatic motor C5 through a reversing valve C4. The design of the pneumatic motor C5 avoids safety accidents when rotating at high speed.

An integrated guide cylinder C6 is connected to the discharge end of the hopper C1, and a first sealing structure is arranged between the discharge end of the hopper C1 and the integrated guide cylinder C6.

The first sealing structure comprises a first sealing ring arranged between the discharge end of the hopper C1 and the integrated guide cylinder C6.

The design of the structure can realize annular sealing at the joint.

The material shifting valve plate C2 is positioned in the integrated material guide cylinder C6, and two ends of the rotating shaft C3 are rotatably connected with the integrated material guide cylinder C6.

The inner diameter of the discharge end of the hopper C1 is equal to the inner diameter of the integrated guide cylinder C6.

Specifically, the outer wall of the integrated guide cylinder C6 is provided with two bearing installation sleeves C7 which are symmetrically arranged, two ends of the rotating shaft C3 are respectively extended into the bearing installation sleeves C7, and an oilless bearing C71 is arranged between the bearing installation sleeves C7 and the rotating shaft C3.

The oilless bearing C71 comprises a plastic outer ring and a plastic inner ring arranged in the plastic outer ring, and balls are arranged between the plastic outer ring and the plastic inner ring.

A closed cover C72 is arranged at the outer end of one of the bearing mounting sleeves C7, and a second sealing structure is arranged between the outer end of the bearing mounting sleeve C7 and the closed cover C72.

The second seal arrangement comprises a second annular seal ring disposed between the outer end of the bearing mounting sleeve C7 and the closure cap C72.

The other closing cap C72 is connected to the aforementioned reversing valve C4.

And a third sealing structure is arranged between the bearing mounting sleeve C7 and the reversing valve C4. The third seal structure includes a third seal ring disposed between the bearing mounting sleeve C7 and the directional valve C4.

In this embodiment

Thereby can drive through pneumatic motor's start-up and dial material valve block C2 and rotate, in coordination with the structure of multichip, its homogeneity and the promptness of guaranteeing the unloading at every turn.

The working principle of the device of the embodiment is as follows:

raw materials enter the integrated material guide cylinder C6 from the hopper, and the material poking valve plate C2 rotates at the moment so as to poke the raw materials to fall continuously.

When the raw materials fall to the crushing bin 6, the blade assembly 10 crushes the raw materials under the driving of the bearing box 1, and the raw materials fall under the action of gravity after being processed.

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 (5)

1. The hammer type crushing equipment comprises a rack (5), wherein a bearing box (1) is connected to the rack (5), the bearing box (1) is connected with a driving motor (5 a), a crushing bin (6) is connected to the open end of the bearing box (1), a blade assembly (10) is arranged in the crushing bin (6) and is connected with an output shaft (3) of the bearing box (1), the hammer type crushing equipment is characterized in that a plurality of bearings (2) are arranged between the bearing box (1) and the output shaft (3), one end of a cooling fan (4) is supported on an inner ring of one of the bearings (2) in two adjacent bearings (2), the other end of the cooling fan (4) is supported on an inner ring of the other bearing (2) in the two adjacent bearings (2), the cooling fan (4) which is sleeved on the output shaft (3) and synchronously rotates with the output shaft (3) is arranged in the bearing box (1), the cooling fan (4) is provided with a cooling fan (4) which blows heat inside the bearing box (1) to the inner ring of the bearing box (1) and is provided with a U-shaped opening end (11) corresponding to the side of the bearing box (1), and two U-shaped channels (A) are arranged on the side edges of the bearing box (1), the wall thickness of the closed end of the bearing box (1) is provided with a communicating structure capable of communicating two sub-holes (11), the communicating structure comprises communicating holes (12) which are arranged on the wall thickness of the closed end of the bearing box (1) and communicated with the sub-holes (11) one by one, the wall thickness of the closed end of the bearing box (1) is also provided with annular grooves (13) which communicate the two communicating holes (12), the annular grooves (13) are provided with a plurality of and arranged at intervals, annular bulges (14) are formed between two adjacent annular grooves (13), the bearing box (1) comprises a cylindrical body (1 a) and an annular end cover (1 b) connected with one end of the cylindrical body (1 a), the communicating hole (12) is arranged at one end of the circular end cover (1 b) close to the cylindrical body (1 a), the inner side of one end of the circular end cover (1 b) far away from the cylindrical body (1 a) is provided with a hole expanding (1 c) and a rotating piece (1 d) positioned in the hole expanding (1 c), the rotating piece (1 d) is sleeved on the output shaft (3) and is provided with the annular groove (13) in the circumferential direction of the rotating piece (1 d), one end of the circular end cover (1 b) far away from the cylindrical body (1 a) is also provided with a closed end cover (1 e) positioned at the outer side of the rotating piece (1 d) and sleeved on the outer side of the output shaft (3), and the closed end cover (1 e) is hermetically connected with the cylindrical body (1 a), the closed end cover (1 e) is connected with the output shaft (3) in a sealing way.

2. The hammer mill apparatus according to claim 1, wherein the blade assembly (10) includes a central shaft (B1), a plurality of single-edged blades (B2) fixedly connected to the central shaft (B1) in a circumferential direction are sleeved on the central shaft (B1), the single-edged blades (B2) are sequentially arranged along the central shaft (B1) in an axial direction, and four single-edged blades (B2) are distributed in a cross shape, double-edged blades (B3) are respectively sleeved at both ends of the central shaft (B1) and two cutting edges of each double-edged blade (B3) face in opposite directions, the double-edged blades (B3) are fixed at both ends of the central shaft (B1) through detachable connection mechanisms, and the single-edged blades (B2) are disposed between the two double-edged blades (B3).

3. A hammer mill apparatus according to claim 2, wherein the outer wall of the central shaft (B1) is provided with a plurality of grooves (B11) axially arranged along the central shaft (B1), a dovetail body (B12) is formed between two adjacent grooves (B11), and a plurality of inner protrusions (B22) which are respectively clamped in the grooves (B11) are respectively arranged on the inner wall of the collar (B21) of each single-blade (B2).

4. The hammer mill apparatus according to claim 1, wherein the mill bin (6) is vertically arranged, the upper end of the mill bin (6) is a feed end, an integrated guide cylinder (C6) is connected to the feed end, the inner wall of the integrated guide cylinder (C6) is a cylindrical inner wall, a material shifting valve plate (C2) is arranged in the integrated guide cylinder (C6), a rotating shaft (C3) fixedly connected with the material shifting valve plate (C2) in the circumferential direction is arranged in the material shifting valve plate (C2) in a penetrating manner, two ends of the rotating shaft (C3) are rotatably connected with the integrated guide cylinder (C6), and the rotating shaft (C3) is connected with a pneumatic motor (C5) through a reversing valve (C4).

5. A hammer mill apparatus according to claim 1, wherein the frame (5) comprises an H-shaped frame (51), each corner of the H-shaped frame (51) is connected with a roller (52), two ends of the H-shaped frame (51) and a middle cross bar are connected with vertically arranged legs (53), the legs (53) are distributed in a triangle, the top of the legs (53) is connected with a box body (54), the driving motor (5 a) is positioned in the box body (54), and the bearing box (1) is fixed at one end of the box body (54).

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