CN114832893A

CN114832893A - Powder metallurgy powder making device for producing and manufacturing parts and powder making method thereof

Info

Publication number: CN114832893A
Application number: CN202210447615.3A
Authority: CN
Inventors: 沙枫; 杨井坤; 张强
Original assignee: Jiangsu Runyang Structural Parts Co ltd
Current assignee: Jiangsu Runyang Structural Parts Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-02

Abstract

The invention discloses a powder metallurgy powder making device for producing and manufacturing parts and a powder making method thereof, and belongs to the field of powder making equipment. The utility model provides a spare part is powder metallurgy powder process device for manufacturing, includes that both ends are equipped with the crushing case of feed inlet and discharge gate respectively from top to bottom, two crushing rollers of mutually supporting are installed at the interior top of crushing case, still include: the fixed shaft is connected between the inner walls of the crushing boxes and is positioned right below the two crushing rollers, two symmetrically arranged sieve plates are rotatably connected to the fixed shaft, vertical plates are fixedly connected to the tail ends of the two sieve plates, and a plurality of left inclined holes and right inclined holes are formed in the two sieve plates; the reciprocating cross rod can slide up and down, is longitudinally connected between the inner walls of the crushing boxes in a sliding manner and is positioned below the two sieve plates; the invention can effectively improve the screening efficiency of the sieve plate, can also improve the anti-blocking effect of the sieve plate, and can indirectly improve the production efficiency of parts.

Description

Powder metallurgy powder making device for producing and manufacturing parts and powder making method thereof

Technical Field

The invention relates to the technical field of powder manufacturing equipment, in particular to a powder metallurgy powder manufacturing device for producing and manufacturing parts and a powder manufacturing method thereof.

Background

Powder metallurgy is a processing method for preparing metal powder and making the metal powder or the mixture of non-metal powder into products by forming, sintering and other processes, and can be used for preparing special materials which are difficult to prepare by using a common smelting method and various precise mechanical parts, thereby saving labor and materials. The powder metallurgy can obtain multi-phase heterogeneous special function composite materials and products of various metals with greatly different melting points and densities, metals and ceramics, metals and plastics and the like.

Among the prior art, when using the powder process device to grind the raw materials and smash, in order to guarantee the quality of powder, then can screen the powder after the powder process, current screen cloth in use is blockked up by the powder easily, then can indirectly influence spare part production efficiency, especially in the uninterrupted production powder, the powder that does not stop to the screen cloth on the transport can make the powder of card in the screen cloth mesh further card die.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a powder metallurgy powder making device for producing and manufacturing parts and a powder making method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a spare part is powder metallurgy powder process device for manufacturing, includes that both ends are equipped with the crushing case of feed inlet and discharge gate respectively from top to bottom, two crushing rollers of mutually supporting are installed at the interior top of crushing case, still include: the fixed shaft is connected between the inner walls of the crushing boxes and is positioned right below the two crushing rollers, two symmetrically arranged sieve plates are rotatably connected to the fixed shaft, vertical plates are fixedly connected to the tail ends of the two sieve plates, and a plurality of left inclined holes and right inclined holes are formed in the two sieve plates; the reciprocating cross rod capable of sliding up and down is longitudinally connected between the inner walls of the crushing boxes and located below the two sieve plates, wherein ejector rods are fixed on two sides of the upper end of the reciprocating cross rod, and the upper ends of the two ejector rods respectively abut against the lower ends of the two sieve plates.

In order to promote the screening efficiency of two sets of sieves, preferably, two smash the equal fixedly connected with end cover in roller both ends, two the equal fixedly connected with of outer wall of end cover and the bull gear of intercommunication, two pairs the bull gear rotates respectively to be connected on the both sides inner wall of smashing the case, install the motor on the outer wall of smashing the case, two sets of connect through two meshed driven gear between the bull gear, the output fixed mounting of motor has the driving gear of being connected with one of them driven gear meshing, it installs the bent axle to rotate through the bull gear between the inner wall of smashing the case, it has the push rod to rotate on the bent axle, the terminal rotation of push rod is connected the lower extreme at reciprocal horizontal pole, be connected through the belt drive between bull gear and one of them bull gear.

In order to promote the efficiency of sieve screening, furtherly, two the equal fixedly connected with evenly distributed's of lower extreme cambered surface lug of sieve, two the upper end of ejector pin all install respectively with two sets of cambered surface lug complex pulleys, two all be connected with the elasticity stay cord between sieve and the reciprocal horizontal pole.

In order to carry out effective heat dissipation to crushing roller, further, two the axial lateral wall of crushing roller all is equipped with a plurality of circumference distribution louvres, the both ends of louvre are linked together with the end cover at crushing roller both ends respectively, the both sides inner wall of crushing case all is equipped with the gasbag subassembly, the gasbag subassembly includes two mounting panels of fixed connection at crushing incasement wall, two the mounting panel is located the upper and lower both ends of reciprocal horizontal pole respectively, two there are flexible gasbag and last flexible gasbag down respectively elastic connection between mounting panel and the reciprocal horizontal pole, the equal fixedly connected with of lateral wall of flexible gasbag and last flexible gasbag is rather than the breathing pipe and the blast pipe that communicate down, blast pipe on the flexible gasbag is linked together with the one end runner of crushing roller down.

In order to blow off the powder of smashing the roller outer wall adhesion, further, the both sides inner wall of smashing the case all is equipped with flat blowing nozzle, two flat blowing nozzle all passes through elastic hose difference elastic connection at two sets of blast pipe ends of last flexible air bag, flat blowing nozzle is linked together, two flat blowing nozzle's gas outlet is towards the lower extreme of two crushing rollers respectively, two all be equipped with on the flat blowing nozzle and support the brush at crushing roller outer wall.

In order to promote flat blowing nozzle clearance and smash the efficiency of powder on the roller, further, smash the equal fixedly connected with bar shaped plate of the front and back inner wall of case, two the lower extreme of bar shaped plate all is equipped with smash incasement wall sliding connection's shake board, two shake the board respectively with two bar shaped plate between all through shake spring elastic connection, two shake the equal fixedly connected with connecting rod of lateral wall of board, the end and the flat blowing nozzle fixed connection of connecting rod.

In order to prevent dust in the air from entering the lower telescopic air bag and the upper telescopic air bag, furthermore, the tail end of the air suction pipe is fixedly connected with a filter pipe, and a dust screen is installed in the filter pipe.

In order to prevent the driven gear and the driving gear from being polluted by dust, further, a protective cover is sleeved on the outer walls of the driven gear and the driving gear.

In order to ensure that the air sucked by the suction pipe is natural air, furthermore, the tail ends of the suction pipe extend to the outer wall of the crushing box.

A powder process method of powder metallurgy powder process device for producing and manufacturing parts, the powder process step is as follows:

step 1: continuously pouring the raw materials into a crushing box from a feeding hole, and starting a motor;

step 2: the motor drives the two crushing rollers to rotate, so that the raw materials are continuously crushed to prepare powder, and the crushed powder falls onto the two sieve plates to be screened;

and step 3: when the crushing roller rotates, the crankshaft is driven to rotate through belt transmission, and the two groups of ejector rods can indirectly jack up and reset the two groups of sieve plates downwards;

and 4, step 4: when the reciprocating cross rod slides downwards, the reciprocating cross rod can extrude the lower telescopic air bag and pull the upper telescopic air bag;

and 5: the lower telescopic air bag can convey the internal air into the radiating holes on the side wall of the crushing roller and discharge the internal air from the other end of the crushing roller;

step 6: when the reciprocating cross rod slides upwards, the reciprocating cross rod can stretch the lower telescopic air bag and extrude the upper telescopic air bag;

and 7: the upper telescopic air bag can convey air into the flat blowing nozzle, and the flat blowing nozzle can blow off powder on the outer wall of the crushing roller;

and 8: when the sieve plate shakes, the sieve plate drives the shaking plate to shake synchronously, and the shaking plate drives the flat blowing nozzle to shake.

Compared with the prior art, the invention provides a powder metallurgy powder making device for producing and manufacturing parts, which has the following beneficial effects:

1. according to the powder metallurgy powder making device for producing and manufacturing the parts, the reciprocating cross rods which can slide up and down in a reciprocating manner can drive the two groups of ejector rods to slide up and down in a reciprocating manner, and the two groups of sieve plates can be indirectly jacked up and reset down by the two groups of ejector rods, so that the screening efficiency of the two groups of sieve plates is improved, the anti-blocking effect of the sieve plates can be improved, and the production efficiency of the parts can be indirectly improved;

2. according to the powder metallurgy pulverizing device for producing and manufacturing the parts, the reciprocating cross rod which slides downwards can extrude the lower telescopic air bag, the lower telescopic air bag can convey internal air into the heat dissipation hole through the exhaust pipe, and the internal air is finally discharged from the rotating pipe at the other end of the pulverizing roller, so that the effective heat dissipation can be carried out on the pulverizing roller, and the pulverizing effect is prevented from being influenced by overheating of the pulverizing roller;

3. according to the powder metallurgy pulverizing device for producing and manufacturing the parts, the reciprocating cross rod which slides upwards can extrude the upper telescopic air bag, the flat air blowing nozzle can blow air to the outer wall of the lower end of the pulverizing roller, so that powder adhered to the outer wall of the pulverizing roller is blown off, the pulverizing efficiency of the pulverizing roller is ensured, and the heat of the outer wall of the pulverizing roller can be dissipated;

4. this spare part is powder metallurgy powder process device for manufacturing, the sieve through the shake can shake the effect better under the effect of shake board and shake spring to can drive the synchronous shake of shake board, the shake board then can drive the shake of flat blowing nozzle through the connecting rod, thereby promotes the efficiency that the powder was gone up to flat blowing nozzle clearance crushing roller.

Drawings

FIG. 1 is a schematic axial view of a powder metallurgy powder-making apparatus for manufacturing components according to the present invention;

FIG. 2 is a schematic diagram of a second perspective structure of the powder metallurgy powder manufacturing apparatus for manufacturing and manufacturing parts of the present invention shown in FIG. 1;

FIG. 3 is a schematic sectional view of a powder metallurgy powder manufacturing apparatus for manufacturing and manufacturing parts according to the present invention;

FIG. 4 is a schematic sectional view of FIG. 1 of a powder metallurgy powder manufacturing apparatus for manufacturing and manufacturing parts according to the present invention;

FIG. 5 is a schematic view of a partial axial structure of a powder metallurgy powder manufacturing apparatus for manufacturing components according to the present invention;

FIG. 6 is a schematic view of a portion of the powder metallurgy pulverizing apparatus for manufacturing parts shown in FIG. 5;

FIG. 7 is a schematic diagram of a second perspective structure of the powder metallurgy pulverizing apparatus for manufacturing parts according to the present invention;

FIG. 8 is a schematic view of a sieve plate axial cutting structure of the powder metallurgy powder manufacturing apparatus for manufacturing and manufacturing parts according to the present invention;

fig. 9 is a schematic view of a structure of a grinding roller of the powder metallurgy powder manufacturing device for producing and manufacturing parts according to the present invention.

In the figure: 1. a crushing box; 2. a feed inlet; 3. a discharge port; 4. a crushing roller; 5. heat dissipation holes; 6. an end cap; 7. pipe rotation; 8. a driven gear; 9. a motor; 10. a driving gear; 11. a strip plate; 12. a shaking plate; 13. a shaking spring; 14. fixing a shaft; 15. a sieve plate; 16. a vertical plate; 17. a right inclined hole; 18. a left inclined hole; 19. a reciprocating cross bar; 20. a crankshaft; 21. a rotating rod; 22. a top rod; 23. a pulley; 24. an elastic pull rope; 25. a cambered surface bump; 26. a flat blowing nozzle; 27. a connecting rod; 28. mounting a plate; 29. a lower telescopic air bag; 30. an upper telescopic air bag; 31. an air intake duct; 32. an exhaust pipe; 33. belt transmission; 34. a filter tube; 35. a dust screen; 36. a protective cover; 37. a push rod; 38. a brush; 39. a nozzle; 40. a nozzle; 41. an elastic hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-5 and 8, a spare part is powder metallurgy powder process device for manufacturing, includes that both ends are equipped with feed inlet 2 and discharge gate 3 respectively about the crushing case 1, and two crushing rollers 4 that mutually support are installed to the interior top of crushing case 1, still include: the fixed shaft 14 is connected between the inner walls of the crushing boxes 1 and is positioned right below the two crushing rollers 4, wherein the fixed shaft 14 is rotatably connected with two symmetrically-arranged sieve plates 15, the tail ends of the two sieve plates 15 are fixedly connected with vertical plates 16, and a plurality of left inclined holes 18 and right inclined holes 17 are formed in the two sieve plates 15; the reciprocating cross rod 19 capable of sliding up and down is longitudinally connected between the inner walls of the crushing box 1 and is positioned below the two sieve plates 15, wherein the two sides of the upper end of the reciprocating cross rod 19 are both fixed with ejector rods 22, the upper ends of the two ejector rods 22 respectively abut against the lower ends of the two sieve plates 15, when the crushing box is used, the crushing and powder-making work of raw materials can be realized by the rotating crushing roller 4, crushed powder can fall onto the two sieve plates 15 for screening, the reciprocating cross rod 19 capable of sliding up and down can drive the two groups of ejector rods 22 to slide up and down in a reciprocating manner, the two groups of ejector rods 22 can indirectly jack up and reset the two groups of sieve plates 15, so that the screening efficiency of the two groups of sieve plates 15 is improved, when the ejector rods 22 slide up, the two sieve plates 15 can be jacked up, the two sieve plates 15 can be in a positive V shape, the powder on the two groups of sieve plates 15 can slide down to the middle, and the right inclined hole 17 can vertically upwards at the moment, the sieve 15 can screen the powder through right inclined hole 17, and the last port of left inclined hole 18 then can the downward sloping, thereby pour out the powder of the interior card of left inclined hole 18, and the powder of slip can also drive the powder in the left inclined hole 18 on sieve 15 and change the roll-off, when ejector pin 22 slides down, two sieve 15 then can be the font of falling V, the powder on two sets of sieve 15 then can incline to both sides riser 16 direction, at this moment left inclined hole 18 then can the function change with right inclined hole 17, just be exactly the last port of right inclined hole 17 then can the downward sloping, thereby pour out the powder in right inclined hole 17, and left inclined hole 18 can make progress perpendicularly, sieve 15 can screen the powder through left inclined hole 18, it is thus visible, the jam condition is difficult to appear in the sieve 15 of reciprocal swing from top to bottom.

Example 2:

referring to fig. 1 to 9, substantially the same as in embodiment 1, further: the two ends of the two crushing rollers 4 are fixedly connected with end covers 6, the outer walls of the two end covers 6 are fixedly connected with rotating pipes 7 communicated with the end covers, two pairs of rotating pipes 7 are respectively and rotatably connected on the inner walls of the two sides of the crushing box 1, the outer wall of the crushing box 1 is provided with a motor 9, the two groups of rotating pipes 7 are connected through two meshed driven gears 8, the output end of the motor 9 is fixedly provided with a driving gear 10 meshed with one driven gear 8, a crankshaft 20 is rotatably arranged between the inner walls of the crushing box 1 through a rotating rod 21, a push rod 37 is rotatably arranged on the crankshaft 20, the tail end of the push rod 37 is rotatably connected with the lower end of a reciprocating cross rod 19, the rotating rod 21 is connected with one rotating pipe 7 through a belt transmission 33, when in use, the driving gear 10 can be driven to rotate through the motor 9, the driving gear 10 can drive the driven gear 8 to rotate, the two groups of rotating pipes 7 can be driven gears 8 to rotate, two sets of commentaries on classics pipe 7 then can drive two crushing rollers 4 through two sets of end covers 6 and rotate, crushing roller 4 can realize the crushing powder process work of raw materials, can drop two sieve 15 enterprising screenings by kibbling powder, and when commentaries on classics pipe 7 rotated, can drive bull stick 21 through belt drive 33 and rotate, bull stick 21 then can drive bent axle 20 and rotate, bent axle 20 then can drive reciprocal horizontal pole 19 up-and-down reciprocating sliding with slider-crank's principle through push rod 37, reciprocal horizontal pole 19 then can drive two sets of ejector pins 22 up-and-down reciprocating sliding, two sets of ejector pins 22 then can be with two sets of sieve 15 indirectness jack-ups and reset downwards, thereby promote the screening efficiency of two sets of sieve 15.

The outer wall covers of the driven gear 8 and the driving gear 10 are provided with a protective cover 36, and the protective cover 36 can prevent the driven gear 8 and the driving gear 10 from being polluted by dust.

Example 3:

referring to fig. 3 and 7, in the use of the sieve plate 15, in order to make the sieve plate 15 shake to improve the screening efficiency, the specific embodiment is as follows: equal fixedly connected with evenly distributed's of lower extreme cambered surface lug 25 of two sieve 15, the upper end of two ejector pins 22 is all installed respectively with two sets of cambered surface lug 25 complex pulleys 23, all be connected with elasticity stay cord 24 between two sieve 15 and reciprocal horizontal pole 19, when ejector pin 22 slides from top to bottom, ejector pin 22 can slide at the lower extreme of sieve 15, ejector pin 22 still can roll at the lower extreme of sieve 15 through pulley 23, pulley 23 is when contacting a plurality of cambered surface lugs 25, the shake can appear in sieve 15, thereby can promote the efficiency that sieve 15 screened, and prevent stifled effect, wherein, elasticity stay cord 24 can make two sieve 15 lower extremes paste tightly on pulley 23 all the time, when preventing pulley 23 from reseing downwards, two sieve 15 can be blocked and can not reseed downwards.

Example 4:

referring to fig. 3 to 7, in order to prevent the pulverizing roller 4 from affecting pulverizing efficiency due to high temperature during the use of the pulverizing roller 4, specific embodiments are as follows: the axial side walls of the two crushing rollers 4 are respectively provided with a plurality of heat dissipation holes 5 distributed circumferentially, the two ends of each heat dissipation hole 5 are respectively communicated with the end covers 6 at the two ends of the crushing roller 4, the inner walls at the two sides of the crushing box 1 are respectively provided with an air bag assembly, the air bag assembly comprises two mounting plates 28 fixedly connected with the inner wall of the crushing box 1, the two mounting plates 28 are respectively positioned at the upper end and the lower end of a reciprocating cross rod 19, a lower telescopic air bag 29 and an upper telescopic air bag 30 are respectively and elastically connected between the two mounting plates 28 and the reciprocating cross rod 19, the side walls of the lower telescopic air bag 29 and the upper telescopic air bag 30 are respectively and fixedly connected with an air suction pipe 31 and an air exhaust pipe 32 communicated with the side walls, the air pipe 32 on the lower telescopic air bag 29 is communicated with a rotating pipe 7 at one end of the crushing roller 4, when the reciprocating cross rod 19 slides downwards, the reciprocating cross rod 19 can extrude the lower telescopic air bag 29 and stretch the upper telescopic air bag 30, the lower telescopic air bag 29 can convey the internal air into the rotating pipe 7 at one end of the crushing roller 4 through the air pipe 32, then carry the louvre 5 of 4 lateral walls of crushing roller through the end cover 6 of one end, discharge from the commentaries on classics pipe 7 of 4 other ends of crushing roller at last to can effectively dispel the heat to crushing roller 4, prevent to smash roller 4 overheated and influence the powder process effect.

The end of the air suction pipe 31 is fixedly connected with a filter pipe 34, a dust screen 35 is arranged in the filter pipe 34, when the reciprocating cross rod 19 slides upwards, the reciprocating cross rod 19 can stretch the lower telescopic air bag 29, the lower telescopic air bag 29 sucks air through the air suction pipe 31, and the dust screen 35 in the filter pipe 34 can prevent dust in the air from entering the lower telescopic air bag 29 and the upper telescopic air bag 30.

The end of the air suction pipe 31 extends to the outer wall of the pulverizing box 1, so that the air suction pipe 31 sucks natural air instead of the air with powder in the pulverizing box 1.

Example 5:

referring to fig. 3 to 7, in order to prevent the outer wall of the pulverizing roller 4 from adhering powder to affect the pulverizing efficiency during the use of the pulverizing roller 4, the specific embodiment is as follows: the inner walls of two sides of the crushing box 1 are respectively provided with flat blowing nozzles 26, the two flat blowing nozzles 26 are respectively and elastically connected with the tail ends of exhaust pipes 32 of two groups of upper telescopic airbags 30 through elastic hoses 41, the flat blowing nozzles 26 are communicated with the exhaust pipes 32, the air outlets of the two flat blowing nozzles 26 respectively face the lower ends of two crushing rollers 4, the two flat blowing nozzles 26 are respectively provided with a brush 38 which is abutted against the outer walls of the crushing rollers 4, when a reciprocating cross rod 19 slides upwards, the reciprocating cross rod 19 can stretch the lower telescopic airbags 29, the lower telescopic airbags 29 suck air through an air suction pipe 31 and can extrude the upper telescopic airbags 30, the upper telescopic airbags 30 can convey air into the flat blowing nozzles 26 through the exhaust pipes 32, the flat blowing nozzles 26 can blow the outer walls of the lower ends of the crushing rollers 4, powder adhered to the outer walls of the crushing rollers 4 is blown down, and the efficiency of the crushing rollers 4 is ensured, and can also dispel the heat to the outer wall of the pulverizing roller 4, thus avoid pulverizing roller 4 to overheat and cause the mutual agglomeration between the powder, can prevent the powder agglomerated into the lump from clogging the sieve 15 effectively, and the brush 38 on the flat blowing nozzle 26 can sweep the outer wall of the rotatory pulverizing roller 4, thus promote the efficiency of blowing off the powder of the outer wall of the pulverizing roller 4, when the reciprocating horizontal rod 19 slides downwards, the reciprocating horizontal rod 19 will stretch the upper flexible gasbag 30, the upper flexible gasbag 30 will suck the air through the suction pipe 31, wherein, the flexible hose 41 of the end of the exhaust pipe 32 can make the brush 38 of the end of the flat blowing nozzle 26 support the outer wall of the pulverizing roller 4 elastically tightly, guarantee the cleaning effect of the brush 38, further, the inner wall of the pulverizing box 1 is fixedly connected with the spray pipe 40 parallel to the fixed axis 14, both sides of the said spray pipe 40 are fitted with a plurality of air nozzles 40, the end of two sets of said air nozzles 40 faces the lower ends of two sieve plates 15 separately, and the tail end of the exhaust pipe 32 is also communicated with the spray pipe 40, so that when the exhaust pipe 32 exhausts, the exhaust pipe 32 can blow air to the bottoms of the two sieve plates 15 through the nozzles 39 on the outer wall of the spray pipe 40, so that when the sieve plates 15 swing back and forth, the nozzles 39 can blow out powder blocked in the left inclined holes 18 and the right inclined holes 17, and the anti-blocking effect on the sieve plates 15 can be improved.

Example 6:

referring to fig. 3-7, in order to improve the efficiency of the flat blowing nozzles 26 in removing the powder on the outer wall of the crushing roller 4 during the shaking of the sieve plate 15, the specific embodiment is as follows: smash the equal fixedly connected with bar panel 11 of the front and back inner wall of case 1, the lower extreme of two bar panels 11 all is equipped with the shake board 12 with smash 1 inner wall sliding connection of case, two shake boards 12 respectively with two bar panels 11 between all through shake spring 13 elastic connection, two shake the equal fixedly connected with connecting rod 27 of lateral wall of board 12, the end and the flat blowing nozzle 26 fixed connection of connecting rod 27, when 15 shakes of sieve, sieve 15 can shake the effect better under the effect of shake board 12 with shake spring 13, and can drive the shake board 12 and shake in step, shake board 12 then can drive the shake of flat blowing nozzle 26 through connecting rod 27, thereby promote the efficiency that flat blowing nozzle 26 cleared up the powder on smashing roller 4.

step 1: continuously pouring the raw materials into the crushing box 1 from the feeding hole 2, and starting the motor 9;

step 2: the motor 9 can drive the two crushing rollers 4 to rotate, so that the raw materials are continuously crushed to prepare powder, and the crushed powder falls onto the two sieve plates 15 to be screened;

and step 3: when the crushing roller 4 rotates, the crankshaft 20 is driven to rotate through the belt transmission 33, and the two groups of ejector rods 22 indirectly jack up and restore the two groups of sieve plates 15 downwards;

and 4, step 4: when the reciprocating cross bar 19 slides downwards, the reciprocating cross bar 19 can extrude the lower telescopic air bag 29 and pull the upper telescopic air bag 30;

and 5: the lower telescopic air bag 29 conveys the internal air into the heat radiation holes 5 on the side wall of the crushing roller 4 and discharges the air from the other end of the crushing roller 4;

step 6: when the reciprocating cross bar 19 slides upwards, the reciprocating cross bar 19 will stretch the lower telescopic air bag 29 and will press the upper telescopic air bag 30;

and 7: the upper telescopic air bag 30 can convey air into the flat air blowing nozzles 26, and the flat air blowing nozzles 26 can blow off powder on the outer wall of the crushing roller 4;

and 8: when the sieve plate 15 shakes, the sieve plate 15 will drive the shaking plate 12 to shake synchronously, and the shaking plate 12 will drive the flat blowing nozzle 26 to shake.

The working principle is as follows: in the invention, when in use, the driving gear 10 can be driven to rotate by the motor 9, the driving gear 10 can drive the driven gears 8 to rotate, the two driven gears 8 can drive the two groups of rotating pipes 7 to rotate, the two groups of rotating pipes 7 can drive the two crushing rollers 4 to rotate by the two groups of end covers 6, the crushing rollers 4 can crush and pulverize raw materials, crushed powder can fall onto the two sieve plates 15 to be screened, when the rotating pipes 7 rotate, the rotating rods 21 can be driven to rotate by the belt transmission 33, the rotating rods 21 can drive the crankshafts 20 to rotate, the crankshafts 20 can drive the reciprocating cross rods 19 to slide up and down in a reciprocating manner by the push rods 37 according to the principle of a crank block, the reciprocating cross rods 19 can drive the two groups of ejector rods 22 to slide up and down in a reciprocating manner, the two groups of sieve plates 15 can be indirectly jacked up and reset down by the two groups of ejector rods 22, so that the screening efficiency of the two groups of sieve plates 15 is improved, when the top rod 22 slides upwards, the two sieve plates 15 are jacked upwards, the two sieve plates 15 are in a positive V shape, powder on the two sieve plates 15 slide downwards towards the middle, the right inclined hole 17 vertically upwards at the moment, the sieve plates 15 screen the powder through the right inclined hole 17, the upper port of the left inclined hole 18 downwards inclines, so that the powder clamped in the left inclined hole 18 is poured out, the powder sliding on the sieve plates 15 can drive the powder in the left inclined hole 18 to slide out more easily, when the top rod 22 slides downwards, the two sieve plates 15 are in an inverted V shape, the powder on the two sieve plates 15 incline towards the vertical plates 16 on two sides, at the moment, the left inclined hole 18 and the right inclined hole 17 can be functionally exchanged, namely, the upper port of the right inclined hole 17 downwards inclines, so that the powder in the right inclined hole 17 is poured out, the left inclined hole 18 vertically upwards, the sieve plates 15 screen the powder through the left inclined hole 18, therefore, the screen plate 15 which swings up and down in a reciprocating way is not easy to block, so that the screening efficiency of the screen plate 15 is greatly improved, the production efficiency of parts is indirectly improved, when the ejector rods 22 slide up and down, the ejector rods 22 can slide at the lower end of the screen plate 15, the ejector rods 22 can roll at the lower end of the screen plate 15 through the pulleys 23, when the pulleys 23 contact with a plurality of cambered surface bumps 25, the screen plate 15 can shake, so that the screening efficiency of the screen plate 15 can be improved, and the anti-blocking effect is achieved, when the reciprocating cross rods 19 slide down, the reciprocating cross rods 19 can extrude the lower telescopic air bags 29, the lower telescopic air bags 29 can convey internal air into the rotating pipes 7 at one end of the crushing rollers 4 through the exhaust pipes 32, then convey the internal air into the heat dissipation holes 5 on the side walls of the crushing rollers 4 through the end covers 6 at one end, and finally discharge the internal air from the rotating pipes 7 at the other end of the crushing rollers 4, so that the crushing rollers 4 can effectively dissipate heat, prevent crushing roller 4 from overheating and influencing the powder process effect, when reciprocating cross bar 19 slides upwards, reciprocating cross bar 19 can stretch lower telescopic airbag 29, lower telescopic airbag 29 sucks air through air suction pipe 31, and can extrude upper telescopic airbag 30, upper telescopic airbag 30 can convey air into flat blowing nozzle 26 through exhaust pipe 32, flat blowing nozzle 26 can blow air to the outer wall of the lower end of crushing roller 4, thereby blowing off the powder adhered to the outer wall of crushing roller 4, ensuring the powder process efficiency of crushing roller 4, and also can radiate the outer wall of crushing roller 4, brush 38 on flat blowing nozzle 26 can sweep the outer wall of rotating crushing roller 4, thereby improving the efficiency of blowing off the powder on the outer wall of crushing roller 4, when reciprocating cross bar 19 slides downwards, reciprocating cross bar 19 can stretch upper telescopic airbag 30, upper telescopic airbag 30 can suck air through air suction pipe 31, when the sieve plate 15 shakes, the sieve plate 15 can shake better under the action of the shaking plate 12 and the shaking spring 13, the shaking plate 12 can be driven to shake synchronously, the shaking plate 12 can drive the flat blowing nozzles 26 to shake through the connecting rods 27, and therefore the efficiency of the flat blowing nozzles 26 in cleaning powder on the crushing rollers 4 is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a spare part is powder metallurgy powder process device for manufacturing, includes crushing case (1) that upper and lower both ends are equipped with feed inlet (2) and discharge gate (3) respectively, two crushing rollers (4) of mutually supporting are installed at the interior top of crushing case (1), and its characterized in that still includes:

a fixed shaft (14) connected between the inner walls of the crushing boxes (1) and positioned right below the two crushing rollers (4),

the fixed shaft (14) is rotatably connected with two symmetrically arranged sieve plates (15), the tail ends of the two sieve plates (15) are fixedly connected with vertical plates (16), and a plurality of left inclined holes (18) and right inclined holes (17) are formed in the two sieve plates (15);

a reciprocating cross bar (19) which can slide up and down is longitudinally connected between the inner walls of the crushing box (1) in a sliding way and is positioned below the two sieve plates (15),

ejector rods (22) are fixed on two sides of the upper end of the reciprocating cross rod (19), and the upper ends of the two ejector rods (22) respectively abut against the lower ends of the two sieve plates (15).

2. The powder metallurgy pulverizing device for producing and manufacturing parts according to claim 1, wherein two ends of the two pulverizing rollers (4) are fixedly connected with end covers (6), the outer walls of the two end covers (6) are fixedly connected with rotating pipes (7) communicated with the end covers, two pairs of rotating pipes (7) are respectively and rotatably connected to the inner walls of two sides of the pulverizing box (1), the outer wall of the pulverizing box (1) is provided with a motor (9), two groups of rotating pipes (7) are connected through two meshed driven gears (8), the output end of the motor (9) is fixedly provided with a driving gear (10) meshed with one driven gear (8), a crankshaft (20) is rotatably installed between the inner walls of the pulverizing box (1) through a rotating rod (21), a push rod (37) is rotatably arranged on the crankshaft (20), and the tail end of the push rod (37) is rotatably connected to the lower end of a reciprocating cross rod (19), the rotating rod (21) is connected with one rotating pipe (7) through a belt transmission (33).

3. The powder metallurgy pulverizing device for producing and manufacturing parts according to claim 2, wherein the lower ends of the two sieve plates (15) are fixedly connected with evenly distributed cambered surface convex blocks (25), the upper ends of the two ejector rods (22) are respectively provided with pulleys (23) matched with the two groups of cambered surface convex blocks (25), and elastic pull ropes (24) are connected between the two sieve plates (15) and the reciprocating cross rods (19).

4. The powder metallurgy pulverizing device for producing and manufacturing parts according to claim 3, wherein the axial side walls of the two pulverizing rollers (4) are provided with a plurality of circumferentially distributed heat dissipating holes (5), the two ends of each heat dissipating hole (5) are respectively communicated with the end covers (6) at the two ends of each pulverizing roller (4), the inner walls at the two sides of the pulverizing box (1) are respectively provided with an air bag component, each air bag component comprises two mounting plates (28) fixedly connected with the inner wall of the pulverizing box (1), the two mounting plates (28) are respectively positioned at the upper end and the lower end of the reciprocating cross rod (19), a lower telescopic air bag (29) and an upper telescopic air bag (30) are respectively and elastically connected between the two mounting plates (28) and the reciprocating cross rod (19), the side walls of the lower telescopic air bag (29) and the upper telescopic air bag (30) are respectively and fixedly connected with an air suction pipe (31) and an exhaust pipe (32) communicated with the lower telescopic air bag and the upper telescopic air bag (30), an exhaust pipe (32) on the lower telescopic air bag (29) is communicated with a rotating pipe (7) at one end of the crushing roller (4).

5. The powder metallurgy pulverizing device for producing and manufacturing parts according to claim 4, wherein the inner walls of two sides of the pulverizing box (1) are provided with flat blowing nozzles (26), two of the flat blowing nozzles (26) are respectively and elastically connected to the tail ends of exhaust pipes (32) of two groups of upper telescopic air bags (30) through elastic hoses (41), the flat blowing nozzles (26) are communicated with the exhaust pipes (32), the air outlets of the two flat blowing nozzles (26) respectively face the lower ends of two pulverizing rollers (4), and brushes (38) abutting against the outer walls of the pulverizing rollers (4) are respectively arranged on the two flat blowing nozzles (26).

6. The powder metallurgy pulverizing device for producing and manufacturing parts according to claim 5, wherein the front and rear inner walls of the crushing box (1) are fixedly connected with strip-shaped plates (11), the lower ends of the two strip-shaped plates (11) are respectively provided with a shaking plate (12) which is in sliding connection with the inner wall of the crushing box (1), the two shaking plates (12) are respectively and elastically connected with the two strip-shaped plates (11) through shaking springs (13), the side walls of the two shaking plates (12) are respectively and fixedly connected with connecting rods (27), and the tail ends of the connecting rods (27) are fixedly connected with flat blowing nozzles (26).

7. The powder metallurgy pulverizing device for producing parts according to claim 4, wherein the end of the air suction pipe (31) is fixedly connected with a filter pipe (34), and a dust screen (35) is installed in the filter pipe (34).

8. The powder metallurgy pulverizing device for producing parts according to claim 2, characterized in that the outer walls of the driven gear (8) and the driving gear (10) are sleeved with a protective cover (36).

9. The powder metallurgy pulverizing apparatus for producing and manufacturing parts according to claim 4, wherein the end of the air suction pipe (31) extends to the outer wall of the pulverizing box (1).

10. A powder manufacturing method of a powder metallurgy powder manufacturing device for producing and manufacturing parts, which adopts the powder metallurgy powder manufacturing device for producing and manufacturing parts as claimed in any one of claims 1 to 9, and is characterized in that the powder manufacturing steps are as follows:

step 1: continuously pouring the raw materials into the crushing box (1) from the feeding hole (2), and starting the motor (9);

step 2: the motor (9) can drive the two crushing rollers (4) to rotate, so that the raw materials are continuously crushed to prepare powder, and the crushed powder falls onto the two sieve plates (15) to be screened;

and step 3: when the crushing roller (4) rotates, the crankshaft (20) is driven to rotate through the belt transmission (33), and the two groups of ejector rods (22) indirectly jack up and reset the two groups of sieve plates (15) downwards;

and 4, step 4: when the reciprocating cross bar (19) slides downwards, the reciprocating cross bar (19) can extrude the lower telescopic air bag (29) and pull the upper telescopic air bag (30);

and 5: the lower telescopic air bag (29) conveys the internal air into the heat dissipation holes (5) on the side wall of the crushing roller (4) and discharges the internal air from the other end of the crushing roller (4);

step 6: when the reciprocating cross bar (19) slides upwards, the reciprocating cross bar (19) can stretch the lower telescopic air bag (29) and can extrude the upper telescopic air bag (30);

and 7: the upper telescopic air bag (30) can convey air into the flat blowing nozzle (26), and the flat blowing nozzle (26) can blow off powder on the outer wall of the crushing roller (4);

and 8: when the sieve plate (15) shakes, the sieve plate (15) drives the shaking plate (12) to shake synchronously, and the shaking plate (12) drives the flat blowing nozzle (26) to shake.