CN210937124U

CN210937124U - Continuous aluminum-based powder metallurgy sintering production line

Info

Publication number: CN210937124U
Application number: CN201921716048.7U
Authority: CN
Inventors: 李建筠
Original assignee: Nanjing Canaan Heating Furnace Industry Co ltd
Current assignee: Nanjing Canaan Heating Furnace Industry Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-07
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a continuous aluminum-based powder metallurgy sintering production line, which comprises a feeding device, a conveying device, a sintering device and a discharging device; the feeding device comprises a feeding rack, a feeding conveying device, a feeding pushing device and a feeding driving device; the conveying device comprises a first conveying unit, a second conveying unit, a third conveying unit and a fourth conveying unit; the sintering device comprises a sintering furnace, the sintering furnace comprises a furnace body, and a feeding furnace door and a discharging furnace door are respectively arranged at one end of the furnace body close to the feeding device and one end of the furnace body far away from the feeding device; the discharging device comprises a discharging conveying device and a discharging pushing device, the discharging pushing device is used for pushing the sintered materials to the discharging conveying device from the fourth conveying unit, and the discharging conveying device conveys the sintered materials towards the direction far away from the fourth conveying unit. Has the advantages that: the human input is few, and the material sintering is effectual, and the utility model has the advantages of simple structure, convenient to use.

Description

Continuous aluminum-based powder metallurgy sintering production line

Technical Field

The utility model relates to a continuous aluminum-based powder metallurgy sintering production line, which belongs to the technical field of heat treatment.

Background

The aluminum-based powder metallurgy sintering production line is one of the commonly used heat treatment production lines, and the current aluminum-based powder metallurgy sintering production line is inconvenient to operate in use, needs multiple persons to operate, has more manpower input and increases the cost of aluminum-based sintering.

Disclosure of Invention

The utility model aims at providing a continuous aluminium base powder metallurgy sintering production line solves among the prior art material sintering and handles inconvenient technical defect.

In order to solve the above problems, the utility model adopts the following technical proposal: the continuous aluminum-based powder metallurgy sintering production line comprises a feeding device, a conveying device, a sintering device and a discharging device; the utility model provides a loading attachment is used for placing pending material on conveyor, and conveyor is used for the transport of material, and sintering device is used for carrying out sintering treatment to the material, and unloader is used for carrying away the material after sintering treatment.

The feeding device comprises a feeding rack, a feeding conveying device, a feeding pushing device and a feeding driving device, wherein the feeding conveying device is arranged on the feeding rack and used for conveying materials, the feeding pushing device is arranged on the feeding rack and forms a horizontal moving pair with the feeding rack and used for pushing the materials from the feeding conveying device, and the feeding driving device is arranged on the feeding rack and used for driving the feeding pushing device to horizontally move on the feeding rack; the utility model provides a material loading thrust unit horizontal migration in the material loading frame for promote the material on towards conveyor.

The conveying device comprises a first conveying unit, a second conveying unit, a third conveying unit and a fourth conveying unit, the first conveying unit is located in the sintering device and used for conveying materials in the sintering device, the second conveying unit is located outside the sintering device and parallel to the first conveying unit, two ends of the third conveying unit are respectively located on one side, close to the feeding device, of the first conveying unit and one side, close to the feeding device, of the second conveying unit, two ends of the fourth conveying unit are respectively located on one side, far away from the feeding device, of the first conveying unit and one side, far away from the feeding device, of the second conveying unit, the feeding pushing device pushes the materials on the feeding conveying device to the third conveying unit, and the first conveying unit, the second conveying unit, the third conveying unit and the fourth conveying unit form a rectangular structure; this reality has conveyor among the novel for the rectangle structure for the charging tray cyclic utilization of placing the material need not to take off from conveyor.

The sintering device comprises a sintering furnace, the sintering furnace comprises a furnace body, a feeding furnace door and a discharging furnace door are respectively arranged at one end of the furnace body close to the feeding device and one end of the furnace body far away from the feeding device, a muffle is arranged in a hearth of the furnace body, a heating device for heating the muffle in a radiation mode is arranged in the hearth, and a protective nitrogen pipeline communicated with the muffle is arranged on the furnace body and used for introducing protective nitrogen into the muffle; the utility model discloses well sintering device carries out sintering treatment to the material.

The blanking device comprises a blanking conveying device and a blanking pushing device, the blanking pushing device and the blanking conveying device are respectively positioned on two sides of the fourth conveying unit, the blanking pushing device is used for pushing the sintered material to the blanking conveying device from the fourth conveying unit, and the blanking conveying device conveys the sintered material towards the direction far away from the fourth conveying unit; the utility model provides an unloading conveyor carries away the material from conveyor, is convenient for handle the collection of the material after accomplishing.

The utility model discloses carrying out the thermal treatment in-process to the material, except that the material is placed the material on material loading conveyor and when unloading take off the material from unloading conveyor, the centre need not artifical the participation, the utility model discloses not only reduced the input of manpower, the sintering treatment of material is convenient, simple structure moreover, the utility model discloses the power that well material carried on first conveying element comes from the extrusion between the material, and adjacent material extrudees each other, with the material to pushing away, has reduced the driven structure in the sintering furnace.

As a further improvement of the utility model, loading attachment still includes material loading pusher and nitrogen gas replacement room, material loading pusher is used for carrying the unit propelling movement to first transport unit with the material from the third, the one end that is close to first transport unit on third transport unit and first transport unit is arranged in nitrogen gas replacement room, it has replacement nitrogen gas inlet port to be used for to nitrogen gas replacement indoor fill nitrogen gas and replacement nitrogen gas export be used for discharging nitrogen gas to open on it, the last one side that is close to second transport unit of nitrogen gas replacement room is provided with preceding furnace gate for the material is carried to nitrogen gas replacement indoor. The utility model provides a material loading pusher pushes the material on the third conveying unit to first conveying unit, and its promotion material that lasts provides lasting power for the conveying of material, and nitrogen gas replacement room makes the material be in the nitrogen atmosphere promptly before getting into sintering device, the subsequent processing of being convenient for.

As a further improvement of the utility model, the one end that sintering device is located loading attachment is provided with the exhaust chamber, and open at the top of exhaust chamber has exhaust port to be used for discharging waste gas, and the upper portion top-down interval in the exhaust chamber is provided with a plurality of dust collection boxes for collect the dust in the waste gas. The utility model discloses set up the air discharge chamber, can be used to discharge the nitrogen gas in the sintering device, set up the dust and collect the box, waste gas when discharging the sintering device, the dust in the waste gas is because gravity drops in the dust collection box, and the collection of the dust of being convenient for reduces the volume of dust in the exhaust waste gas, reduces the pollution that causes the environment.

As the utility model discloses a further improvement, sintering device includes communicating heating heat preservation district, cooling space and heat preservation sintering space in proper order to fourth conveying unit from third conveying unit, and first conveying unit passes heating heat preservation district, cooling space and heat preservation sintering space in proper order, has all seted up protection nitrogen gas pipeline on heating heat preservation district, cooling space and the heat preservation sintering space. The utility model provides a heating heat preservation is used for heating the material and keeping the material temperature, and the cooling space is used for cooling off the material, and the heat preservation sintering space is used for carrying out sintering treatment to the material, the utility model provides a sintering treatment of material is effectual.

As a further improvement of the utility model, the material loading thrust unit includes more than one moving frame and sets up on moving frame and the impeller that can stretch out and draw back from top to bottom, and moving frame slides and sets up the top at the material loading frame to by the drive of material loading drive arrangement, material loading drive arrangement drive moving frame removes and is used for from material loading conveyor propelling movement to third conveying unit. The utility model discloses in set up the impeller, it is used for crossing the thing from the top of material that the upper and lower shrink makes it keep away from conveyor's one side with the material to conveyor promotion from the material.

As the utility model discloses a further improvement, moving frame's quantity is two, is provided with the frame drive arrangement who is used for driving two moving frame relative movement on one of them moving frame, and the bottom of impeller is provided with centering device, and the centering device in opposite directions of two impeller bottoms is opened has the convex breach with material matched with one side. The utility model discloses set up centring means, be convenient for accurate place the material tray on conveyor with the material in, convenient follow-up sintering treatment and unloading are handled.

As the utility model discloses a further improvement still includes the charging tray cooling chamber, and second conveying unit passes the charging tray cooling chamber, is provided with cooling blower on the charging tray cooling chamber for to the temperature of the interior drum of charging tray cooling chamber income cold air in order to reduce the charging tray. The utility model discloses set up charging tray cooling chamber for reduce the temperature of charging tray, the charging tray of being convenient for is used for once more placing the material.

As a further improvement of the utility model, unloader still includes elevating gear and draws material mechanism, elevating gear includes the elevating rack, the elevating drive that elevating platform and the relative elevating rack of drive elevating platform reciprocated, draw material mechanism including drawing the material frame, draw the material pole and set up drawing material drive arrangement in drawing the material frame, draw the material drive arrangement drive to draw the material pole to remove along unloader's length direction, the tip that draws the material pole is provided with to draw and colludes and be used for catching on the material draws the unloading conveyor with the material from fourth conveying unit via the elevating platform. Superpose about the material, during two materials of once sintering, the height that highly is greater than unloading conveyor of a material of top, when the elevating platform upwards rises and is in same height with a material of top, unloading thrust unit promotes the material to the elevating platform on, the elevating platform descends again, makes the material carry on unloading conveyor, and a material of below matches with unloading conveyor's height, can directly push away to unloading conveyor by unloading thrust unit on, the utility model discloses conveniently accomplish the unloading of the material of sintering and handle.

As a further improvement, the fourth conveying unit further comprises a limiting device located at one end of the first conveying unit, and the limiting device is installed on the fourth conveying unit and used for preventing the material from dropping from the fourth conveying unit. The utility model discloses set up stop device, carry on spacingly to the material of carrying on the first conveying unit, prevent that it from dropping down from one side that the first conveying unit was kept away from to the fourth conveying unit, influence subsequent receipts material.

As a further improvement of the utility model, still include charging tray pulling device, charging tray pulling device includes charging tray drive arrangement and charging tray pull rod, and charging tray drive arrangement is connected with the charging tray pull rod and is used for driving the charging tray pull rod and move on fourth conveying unit's length direction, and charging tray pull rod keeps away from charging tray drive arrangement's one end and is provided with the charging tray and draws to collude and be used for catching on the charging tray. This reality has the novel charging tray pulling device that sets up, the transport of the charging tray of being convenient for on fourth conveying unit.

To sum up, the beneficial effects of the utility model are that: the utility model discloses the human input is few, and the material sintering is effectual, and the utility model has the advantages of simple structure, convenient to use.

Drawings

Fig. 1 is a plan view of the present invention.

FIG. 2 is a cross-sectional view of a sintering apparatus according to the present invention.

Fig. 3 is a schematic structural view of the feeding device according to the present invention.

Fig. 4 is a schematic structural view of the blanking device of the present invention.

Fig. 5 is a cross-sectional view of the right end portion of the present invention.

Wherein: 1. a feeding device; 2. a conveying device; 3. a sintering device; 4. a blanking device; 5. a feeding rack; 6. a feeding and conveying device; 7. a feeding pushing device; 8. a feeding driving device; 9. a first conveying unit; 10. a second conveying unit; 11. a third conveying unit; 12. a fourth conveying unit; 13. a furnace body; 14. a feed oven door; 15. a discharge furnace door; 16. a muffle; 17. a heating device; 18. protecting a nitrogen pipeline; 19. a blanking conveying device; 20. a blanking pushing device; 21. a feeding and pushing device; 22. a nitrogen displacement chamber; 23. a replacement nitrogen inlet; 24. a displaced nitrogen outlet; 25. a front oven door; 26. an exhaust chamber; 27. an exhaust gas discharge port; 28. a dust collection box; 29. a heating and heat preservation area; 30. a cooling zone; 31. a heat-preserving sintering zone; 32. moving the frame; 33. a pusher member; 34. a frame driving device; 35. a centering device; 36. a tray cooling chamber; 37. a cooling fan; 38. a lifting frame; 39. a lifting platform; 40. a lift drive; 41. a material pulling rack; 42. pulling a material rod; 43. a material pulling driving device; 44. pulling the hook; 45. a limiting device; 46. a tray driving device; 47. a material tray pull rod; 48. feeding and feeding rollers; 49. a driven feeding roller; 50. an active feeding roller; 51. a feeding driving motor; 52. a drive belt; 53. a feeding conveyor belt; 54. a feeding and lower conveying roller; 55. a column; 56. a support beam; 57. a feeding roller; 58. a material pulling cylinder; 59. a hot gas discharge port; 60. a guide bar; 61. and (4) pulling the material tray to hook.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings. As shown in fig. 1, the right direction in fig. 1 is defined as the right direction, the left direction in fig. 1 is defined as the left direction, the inward direction perpendicular to the paper surface is defined as the front direction, and the outward direction perpendicular to the paper surface is defined as the back direction.

The continuous aluminum-based powder metallurgy sintering production line shown in fig. 1-5 comprises a feeding device 1 for placing materials to be processed on a conveying device 2, the conveying device 2 for conveying the materials, a sintering device 3 for sintering the materials, and a discharging device 4 for conveying the materials after sintering processing to a designated place for collection.

The utility model discloses a loading device 1 that said in the utility model includes material loading frame 5, material loading conveyor 6, material loading thrust unit 7 and material loading drive arrangement 8, material loading conveyor 6 sets up and is used for transporting the material on material loading frame 5, material loading thrust unit 7 sets up on material loading frame 5 and constitutes the horizontal migration pair with material loading frame 5 for promote the material from material loading conveyor 6, material loading drive arrangement 8 is installed on material loading frame 5 and is used for driving material loading thrust unit 7 to move horizontally on material loading frame 5; the feeding machine frame 5 is provided with a plurality of feeding rollers 48, the length direction of the plurality of feeding rollers 48 is consistent with the front-back direction, the tops of all the feeding rollers 48 are positioned on the same horizontal plane, the left end of the feeding machine frame 5 is rotatably provided with a driven feeding roller 49, the right end of the feeding machine frame 5 is rotatably provided with a driving feeding roller 50, the length directions of the driving feeding roller 49 and the driven feeding roller 50 are consistent with the front-back direction, the lower part of the right end of the feeding machine frame 5 is detachably provided with a feeding driving motor 51 by bolts, the output shaft of the feeding driving motor 51 is connected with one end of the driving feeding roller 50 by a driving belt 52, the feeding driving motor 51 drives the driving feeding roller 50 to rotate by the driving belt 52, a feeding conveyor belt 53 is wound on the driving feeding roller 50 and the driven feeding roller 49, the feeding conveyor 53 is driven by the driving feeding roller 50, the material is placed on the feeding conveyor belt 53 and conveyed rightward by the feeding conveyor belt 53. The utility model discloses the lower surface of the material loading conveyer belt 53 that well upper story was conveyed from left to right is supported by material loading upper transport roller 48, it is provided with many material loading lower transport roller 54 still to rotate on material loading frame 5, wherein the length direction of material loading lower transport roller 54 is unanimous with the fore-and-aft direction, the lower surface of the material loading conveyer belt 53 that the lower story was conveyed from right to left is supported by material loading lower transport roller 54, material loading upper transport roller 48, material loading lower transport roller 54, initiative material loading roller 49, driven material loading roller 50, material loading driving motor 52, driving belt 52 and material loading conveyer belt 53 constitute material loading conveyor 6. The utility model provides a material loading frame 5 includes material loading conveying support, and material loading conveying support includes four stands 55 and carriage, and the carriage is formed by four supporting beam 56 end to end welded fastening, and the carriage is supported by four stands 55, is provided with the material loading track on two supporting beam 56 that set up along the left and right direction, material loading thrust unit 7 include more than one moving frame 32 and set up on moving frame 32 and impeller 33 that can stretch out and draw back from top to bottom, moving frame 32 slides and sets up the top at material loading frame 5 to be driven by material loading drive arrangement 8, material loading drive arrangement 8 drive moving frame 32 remove be used for with the material from material loading conveyor 6 propelling movement to conveying unit 2; the front and back sides of the moving frame 32 in the utility model are respectively provided with two feeding rollers 57, the feeding rollers 57 are respectively matched with the feeding tracks, the pushing member 33 in the utility model preferably adopts a feeding cylinder arranged on the moving frame 32, the cylinder body of the feeding cylinder is arranged on the moving frame 32 by adopting a bolt detachable way, the piston rod of the feeding cylinder is vertically arranged downwards, the feeding driving device 8 in the utility model adopts a feeding driving cylinder, the cylinder body of the feeding driving cylinder is arranged on the supporting frame by adopting a bolt detachable way, the piston rod of the feeding driving cylinder is arranged along the left and right direction, and the free end is connected with the moving frame 32, the extension and the contraction of the piston rod of the feeding driving cylinder are respectively used for driving the moving frame 32 to move leftwards and rightwards, the piston rod of the feeding cylinder in the utility model extends downwards, and pulls material on the loading conveyor 53 to the right onto the conveyor 2 as the moving frame 32 moves to the right.

The utility model discloses a preferred setting of the quantity of moving frame 32 is two, be provided with the frame drive device 34 that is used for driving two moving frame 32 relative movements on the right side moving frame 32, the utility model discloses a preferred frame drive device 34 adopt frame drive cylinder, the cylinder body of frame drive cylinder adopts bolt detachable to install on right side moving frame 32, adopt bolt detachable to install the connecting plate on the left side moving frame 32, the piston rod of frame drive cylinder is connected with the connecting plate, the piston rod of two frame drive cylinders in the utility model stretches out and draws back synchronously for drive two moving frame 32 move towards the direction that is close to each other or keeps away from each other, the utility model discloses be provided with centering device 35 at the bottom of impeller 33, the centering device 35 opposite side of two impeller 33 bottoms is opened has the circular arc breach that matches with the material, the utility model discloses the surface of well pending material is the face of cylinder, when two centering devices removed in opposite directions, removes the material towards center direction between them, and the central line of final material is located the centering of realizing the work piece on same vertical line with the central line of two centering devices and is handled.

The utility model discloses in loading attachment 1 still be provided with material loading pusher 21 and nitrogen gas replacement room 22, material loading pusher 21 is used for carrying the material from third delivery unit 11 propelling movement to first delivery unit 9 on, nitrogen gas replacement room 22 sets up the one end that is close to first delivery unit 9 on third delivery unit 11 and first delivery unit 9, it has replacement nitrogen gas inlet port 23 to open on it and is used for filling into nitrogen gas and replacement nitrogen gas export 24 and is used for discharging nitrogen gas in nitrogen gas replacement room 22, one side that is close to second delivery unit 10 on the nitrogen gas replacement room 22 is provided with preceding furnace gate 25 for the material is carried to nitrogen gas replacement room 22 in, the utility model discloses be provided with nitrogen gas horizontal passage at the top of nitrogen gas replacement room 22, open in nitrogen gas horizontal passage's bottom has a plurality of vertical nitrogen gas exports, replacement nitrogen gas inlet port communicate with each other through pipeline and nitrogen gas horizontal passage, let in nitrogen gas horizontal passage from replacement nitrogen gas inlet port let in by the even blowing of a plurality of vertical nitrogen gas exports On the material in the room 22 is replaced to nitrogen gas, the utility model provides a replacement nitrogen gas export 24 is seted up at the top of nitrogen gas replacement room 22 to be provided with the frequency conversion fan of taking a breath, be used for realizing the quick flow of the indoor nitrogen gas of nitrogen gas replacement.

The utility model provides a conveyor 2 includes first conveying unit 9, second conveying unit 10, third conveying unit 11 and fourth conveying unit 12, first conveying unit 9 is located sintering device 3 and is used for the transport of material in sintering device 3, second conveying unit 10 is located sintering device 3 outside and is parallel with first conveying unit 9, the both ends of third conveying unit 11 are located one side that first conveying unit 9 and second conveying unit 10 are close to loading attachment 1 respectively, the both ends of fourth conveying unit 12 are located one side that first conveying unit 9 and second conveying unit 10 are far away from loading attachment 1 respectively, material propelling movement 7 promotes the material on loading conveying device 6 to third conveying unit 11, first conveying unit 9, second conveying unit 10, third conveying unit 11 and fourth conveying unit 12 form the rectangle structure; first conveying unit include first carriage, both ends respectively rotate around the first carriage and are provided with a plurality of first rotation wheels, the utility model discloses when using, be provided with a plurality of charging trays on conveyor, the material place and carry on the charging tray, the utility model provides a bottom at both ends is supported by first rotation wheel around the charging tray, will change the charging tray and place the material on changing the charging tray and carry by the left hand right side in sintering device 3, the power source that the charging tray was carried in sintering device 3 is: and one material tray on the left side is conveyed rightwards, and one material tray on the right side is pushed rightwards, so that the conveying of all the material trays is finally realized. The utility model provides a second conveying unit 10 includes the second carriage and sets up a plurality of seconds in second carriage front end and rear end and rotate the wheel, and both ends are rotated by the second and are taken turns to the support around getting rid of the material frame of material to carry by the right side left on second conveying unit 10. The utility model provides a third conveying unit 11 includes the third carriage, draws material cylinder 58 and a plurality of third to rotate the wheel, the length direction of third conveying unit 11 unanimous with the fore-and-aft direction, the left and right sides of third carriage sets up the third and rotates the wheel, draw the cylinder body detachable of material cylinder 58 to install in the front portion of third carriage, draw the piston rod of material cylinder 58 to set up backward and follow the fore-and-aft direction flexible, draw the free end of material cylinder 58 piston rod to be provided with to draw the material and collude for stimulate the charging tray on the third conveying unit 11 forward.

The utility model discloses in sintering device 3 include the fritting furnace, the fritting furnace include furnace body 13 and furnace, the one end that is close to loading attachment 1 on furnace body 13 and keeps away from loading attachment 1 is provided with feeding furnace gate 14 and ejection of compact furnace gate 15 respectively, is provided with muffle 16 in the furnace of furnace body 13, is provided with the heating device 17 that is used for muffle 16 radiant heating in the furnace, be provided with on furnace body 13 with muffle 16 communicating protection nitrogen pipeline 18 be used for letting in protection nitrogen gas in to muffle 16, the utility model provides a structure that furnace body 13, furnace heating device 17 and muffle 16 installed in furnace is prior art, to its structure the utility model discloses do not give repetitious description. The utility model discloses the one end that is located loading attachment 1 at sintering device 3 is provided with exhaust chamber 26, feeding furnace gate 14 set up the left end at exhaust chamber 26, the utility model discloses exhaust chamber access door hole has been opened to front side or rear side at exhaust chamber 26 to adopt bolt detachable to be provided with the closing plate, open in exhaust chamber access door hole can get into furnace, overhaul in the furnace, it has exhaust outlet 27 to be used for discharging waste gas to open at exhaust chamber 26's top, upper portion top-down equipartition in the exhaust chamber 26 is provided with a plurality of dust collection boxes 28, is used for collecting the dust in the waste gas, the utility model discloses in be provided with the support frame along the fore-and-aft direction on exhaust chamber 26 inner wall, both ends are supported by the support frame respectively about dust collection box 28, calculate from bottom to top, support frame and the front end of the inner arm of exhaust chamber 26 inner arm in the left side of first, three, five … … dust collection boxes and the front end of exhaust, The left end and the rear end are respectively fixed, and a supporting frame at the right side of the second, fourth and sixth … … dust collecting boxes is respectively fixed with the front end, the right end and the rear end of the exhaust chamber 26, so that the exhaust gas is upwards discharged from the exhaust gas discharge port 27 in the exhaust chamber 26 along an S-shaped route, the exhaust path of the exhaust gas is prolonged, on one hand, the temperature of the discharged exhaust gas is reduced, on the other hand, the dust in the exhaust gas is fully dropped into the dust collecting box 28, and the amount of the dust in the discharged exhaust gas is reduced.

The sintering device 3 sequentially comprises a heating and heat-preserving area 29, a cooling area 30 and a heat-preserving sintering area 31 which are communicated from the exhaust chamber 26 to the fourth conveying unit 12, the first conveying unit 9 sequentially penetrates through the heating and heat-preserving area 29, the cooling area 30 and the heat-preserving sintering area 31, and protective nitrogen pipelines 18 are respectively arranged on the heating and heat-preserving area 29, the cooling area 30 and the heat-preserving sintering area 31. The top of the muffle 16 in the heat preservation sintering area 31 is provided with three air outlets at equal intervals, the top of the inner surface of the muffle 16 is provided with a horizontal air duct, the left end of the horizontal air duct is open, the right end of the horizontal air duct is communicated with the air outlets, the top of the furnace body of the heat preservation sintering area 31 is provided with three protective nitrogen pipelines 18, the three protective nitrogen pipelines 18 are respectively communicated with the three air outlets by adopting pipelines, nitrogen is respectively introduced into the three horizontal air ducts, the nitrogen enters the horizontal air duct from the air outlets, and the air formed by the protective nitrogen enters the muffle 18 from the left end of the horizontal air duct has horizontal leftward initial velocity, so that the air can be conveniently discharged from a waste gas discharge port 27 at the top of the exhaust chamber 26. Cooling space 30 around both ends homogeneous have the inlet port to fill into nitrogen gas in order to cool off the material in the cooling space from the front and back both sides of cooling space 30 by the fan that sets up in sintering device 3 the place ahead, it has hot gas discharge port 59 to open at the top of cooling space, lets in nitrogen gas and material in the cooling space 30 and carry out energy exchange temperature and rise, and discharge from hot gas discharge port 59, the utility model discloses do not establish heating device 17 in the well cooling space 20. The top of the muffle 16 inner arm in the heat-insulating sintering area 31 is provided with a horizontal nitrogen channel, the bottom of the nitrogen channel is provided with a plurality of nitrogen air outlets, the nitrogen air outlets are vertically downward, a protection nitrogen pipeline 18 of the heat-insulating sintering area 31 is arranged at the right end of the top of the furnace body and communicated with the nitrogen channel, and the nitrogen air outlets blow nitrogen vertically downward to the material.

The utility model discloses in unloader 4 include unloading conveyor 19 and unloading thrust unit 20, unloading thrust unit 20 and unloading conveyor 19 are located the both sides of fourth conveying unit 12 respectively, unloading thrust unit 20 is used for promoting the material after the sintering is accomplished to unloading conveyor 19 from fourth conveying unit 12 on, unloading conveyor 19 carries the material that the sintering was accomplished towards the direction of keeping away from fourth conveying unit 12. The utility model provides an unloading conveyor includes unloading transport frame and many unloading conveying rollers, and the length direction of unloading transport frame is unanimous with controlling the direction, the both ends of unloading conveying roller rotate and set up on unloading conveyor frame to the length direction of unloading conveying roller is unanimous with controlling the direction, and the material through thermal treatment carries right on the unloading conveying roller, the utility model discloses the power source that well material carried on the unloading conveying roller is that left material moves right and promotes a material on right side and carry right.

The utility model provides a unloader 4 still is provided with elevating gear and draws material mechanism. The lifting device comprises a lifting frame 38, a lifting platform 39 and a lifting driving device 40 for driving the lifting platform 39 to move up and down relative to the lifting frame 38, the lifting driving device 40 preferably adopts a lifting cylinder, the cylinder body of the lifting cylinder is arranged on the lifting frame 38, the piston rod of the lifting cylinder is vertically arranged upwards, the bottom of the lifting platform 39 is connected with the piston rod of the lifting cylinder, the piston rod of the lifting cylinder extends or contracts to respectively drive the lifting platform 39 to move up or down, the lifting frame 38 is provided with a plurality of guide rods 60, the guide rods 60 are inserted into the guide holes and move up and down along with the up-and-down movement of the lifting platform 39 in the guide holes, the up-and-down movement of the lifting platform 39 is guided and limited, and the guide platform 39 is prevented from rotating relative to the lifting frame 38 in the up-and-down movement process, the equidistant vertical supporting shoe that is provided with quantity equal in both ends around the top of elevating platform 39 is provided with unloading lift conveying roller on the vertical supporting shoe, and unloading lift conveying roller rotates relative vertical supporting shoe, the utility model provides a vertical supporting shoe can follow freely reciprocating between two adjacent unloading conveying rollers, and lift cylinder piston rod extends, can upwards promote the unloading lift conveying roller to being higher than the position of unloading conveying roller, and falls the piston rod shrink of cylinder, can pull unloading lift conveying roller to the position that is less than the unloading conveying roller downwards.

The utility model provides a draw material mechanism is drawing material drive arrangement 43 including drawing material frame 41, drawing material pole 42 and setting drawing on material frame 41, draw material drive arrangement 43 to be located the top of unloading conveying roller, the utility model provides a draw the preferred adoption of material drive arrangement 43 to draw and draw material to drive actuating cylinder, draw the cylinder body that material drove actuating cylinder to adopt bolt detachable to install on drawing material frame 41, draw the piston rod of material drive actuating cylinder to connect and draw material pole 42 and drive to draw material pole 42 to remove along the length direction of unloader 4, the tip that draws material pole 42 is provided with to draw and colludes 44 and is used for catching on the material draws the unloading conveyor 19 from fourth conveying unit 12 via elevating platform 39.

The utility model discloses be located the stop device 45 of the one end at first conveying unit 9 place on fourth conveying unit 12, stop device 45 installs on fourth conveying unit 12 for prevent the material from dropping from fourth conveying unit 12, the utility model provides a stop device 45 is the limiting plate, and the length direction and the fore-and-aft direction of limiting plate are unanimous to just facing first conveying unit 9, first conveying unit 9 is carried the material of coming through sintering treatment and is carried when carrying right, blocks by the limiting plate and can not carry right again, and is carried towards unloader 4's direction backward by fourth conveying unit 12.

The utility model discloses be provided with charging tray pulling device, charging tray pulling device includes charging tray drive arrangement 46 and charging tray pull rod 47, and charging tray drive arrangement 46 is connected with charging tray pull rod 47 and is used for driving charging tray pull rod 47 and removes on the length direction of fourth conveying unit 12, and charging tray pull rod 47 keeps away from charging tray drive arrangement 46's one end and is provided with the charging tray and draws and collude 61 and be used for catching on the charging tray. The utility model discloses in charging tray drive arrangement 46 adopt the charging tray to drive actuating cylinder, the cylinder body that the charging tray drove actuating cylinder adopts bolt detachable to install on fourth conveying unit 12, its piston rod sets up along the fore-and-aft direction to the level is flexible, and charging tray pull rod 47 drives actuating cylinder's piston rod with the charging tray and is connected, drives flexible and horizontal migration of actuating cylinder's piston rod by the charging tray.

For the temperature of the charging tray after the material is got rid of in the reduction, the utility model discloses be provided with charging tray cooling chamber 36, second conveying unit 10 passes charging tray cooling chamber 36, is provided with cooling blower 37 on the charging tray cooling chamber 36 for the temperature of cold air in order to reduce the charging tray is gone into to the interior drum of charging tray cooling chamber 36. The utility model provides a 37 detachable of cooling blower installs in the bottom of second carriage, and 37 fan blades of cooling blower rotate, and in 36 charging tray cooling chamber 36 was entered with the lower air drum of 36 external temperature in the charging tray cooling chamber to reduce the temperature of charging tray.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. Continuous aluminium base powder metallurgy sintering production line, its characterized in that: comprises a feeding device (1), a conveying device (2), a sintering device (3) and a discharging device (4);

the feeding device (1) comprises a feeding rack (5), a feeding conveying device (6), a feeding pushing device (7) and a feeding driving device (8), wherein the feeding conveying device (6) is arranged on the feeding rack (5) and used for conveying materials, the feeding pushing device (7) is arranged on the feeding rack (5) and forms a horizontal moving pair with the feeding rack (5) and used for pushing the materials from the feeding conveying device (6), and the feeding driving device (8) is arranged on the feeding rack (5) and used for driving the feeding pushing device (7) to horizontally move on the feeding rack (5);

the conveying device (2) comprises a first conveying unit (9), a second conveying unit (10), a third conveying unit (11) and a fourth conveying unit (12), the first conveying unit (9) is located in the sintering device (3) and used for conveying materials in the sintering device (3), the second conveying unit (10) is located outside the sintering device (3) and parallel to the first conveying unit (9), two ends of the third conveying unit (11) are located on one sides, close to the feeding device (1), of the first conveying unit (9) and the second conveying unit (10) respectively, two ends of the fourth conveying unit (12) are located on one sides, far away from the feeding device (1), of the first conveying unit (9) and the second conveying unit (10) respectively, the feeding pushing device (7) pushes the materials on the feeding conveying device (6) to the third conveying unit (11), the first conveying unit (9), The second conveying unit (10), the third conveying unit (11) and the fourth conveying unit (12) form a rectangular structure;

the sintering device (3) comprises a sintering furnace, the sintering furnace comprises a furnace body (13), a feeding furnace door (14) and a discharging furnace door (15) are respectively arranged at one end, close to the feeding device (1), of the furnace body (13) and at one end, far away from the feeding device (1), of the furnace body, a muffle (16) is arranged in a hearth of the furnace body (13), a heating device (17) used for heating the muffle (16) in a radiation mode is arranged in the hearth, and a protective nitrogen pipeline (18) communicated with the muffle (16) is arranged on the furnace body (13) and used for introducing protective nitrogen into the muffle (16);

the blanking device (4) comprises a blanking conveying device (19) and a blanking pushing device (20), the blanking pushing device (20) and the blanking conveying device (19) are respectively located on two sides of the fourth conveying unit (12), the blanking pushing device (20) is used for pushing the sintered materials to the blanking conveying device (19) from the fourth conveying unit (12), and the blanking conveying device (19) conveys the sintered materials towards the direction far away from the fourth conveying unit (12).

2. The continuous aluminum-based powder metallurgy sintering line of claim 1, wherein: the feeding device (1) further comprises a feeding pushing device (21) and a nitrogen replacement chamber (22), the feeding pushing device (21) is used for pushing materials to the first conveying unit (9) from the third conveying unit (11), the nitrogen replacement chamber (22) is arranged at one end, close to the first conveying unit (9), of the third conveying unit (11) and the first conveying unit (9), a replacement nitrogen inlet (23) is formed in the nitrogen replacement chamber (22) and used for filling nitrogen into the nitrogen replacement chamber (22) and a replacement nitrogen outlet (24) is used for discharging nitrogen, and a front furnace door (25) is arranged on one side, close to the second conveying unit (10), of the nitrogen replacement chamber (22) and used for conveying the materials to the nitrogen replacement chamber (22).

3. The continuous aluminum-based powder metallurgy sintering line of claim 2, wherein: an exhaust chamber (26) is arranged at one end, located on the feeding device (1), of the sintering device (3), a waste gas discharge port (27) is formed in the top of the exhaust chamber (26) and used for discharging waste gas, and a plurality of dust collecting boxes (28) are arranged at intervals from top to bottom on the upper portion in the exhaust chamber (26) and used for collecting dust in the waste gas.

4. The continuous aluminum-based powder metallurgy sintering line of claim 2, wherein: sintering device (3) include communicating heating heat preservation district (29), cooling space (30) and heat preservation sintering district (31) in proper order from third conveying unit (11) to fourth conveying unit (12), and heating heat preservation district (29), cooling space (30) and heat preservation sintering district (31) are passed in proper order in first conveying unit (9), have all seted up on heating heat preservation district (29), cooling space (30) and the heat preservation sintering district (31) and have protected nitrogen gas pipeline (18).

5. The continuous aluminum-based powder metallurgy sintering line according to any one of claims 1 to 4, characterized in that: the feeding pushing device (7) comprises more than one moving frame (32) and a pushing piece (33) which is arranged on the moving frame (32) and can stretch up and down, the moving frame (32) is arranged at the top of the feeding rack (5) in a sliding mode and driven by the feeding driving device (8), and the feeding driving device (8) drives the moving frame (32) to move so as to push materials from the feeding conveying device (6) to the third conveying unit (11).

6. The continuous aluminum-based powder metallurgy sintering line of claim 5, wherein: the number of the moving frames (32) is two, one of the moving frames (32) is provided with a frame driving device (34) for driving the two moving frames (32) to move relatively, the bottoms of the pushing pieces (33) are provided with centering devices (35), and one opposite sides of the centering devices (35) at the bottoms of the two pushing pieces (33) are provided with circular arc notches matched with the materials.

7. The continuous aluminum-based powder metallurgy sintering line according to any one of claims 1 to 4, characterized in that: the material tray cooling device is characterized by further comprising a material tray cooling chamber (36), the second conveying unit (10) penetrates through the material tray cooling chamber (36), and a cooling fan (37) is arranged on the material tray cooling chamber (36) and used for blowing cold air into the material tray cooling chamber (36) to reduce the temperature of the material tray.

8. The continuous aluminum-based powder metallurgy sintering line according to any one of claims 1 to 4, characterized in that: unloader (4) still include elevating gear and draw material mechanism, elevating gear includes elevator frame (38), elevating platform (39) and drive elevator platform (39) lift drive arrangement (40) that reciprocates relatively elevator frame (38), draw material mechanism including drawing material frame (41), draw material pole (42) and set up drawing material drive arrangement (43) on drawing material frame (41), draw material drive arrangement (43) drive to draw material pole (42) and remove along the length direction of unloader (4), the tip of drawing material pole (42) is provided with draws and colludes (44) and is used for catching on the material draws the unloading conveyor (19) with the material from fourth conveying unit (12) via elevating platform (39).

9. The continuous aluminum-based powder metallurgy sintering line of claim 8, wherein: the fourth conveying unit (12) further comprises a limiting device (45) located at one end where the first conveying unit (9) is located, and the limiting device (45) is installed on the fourth conveying unit (12) and used for preventing the materials from falling off from the fourth conveying unit (12).

10. The continuous aluminum-based powder metallurgy sintering line of claim 9, wherein: the material tray pulling device comprises a material tray driving device (46) and a material tray pull rod (47), the material tray driving device (46) is connected with the material tray pull rod (47) and used for driving the material tray pull rod (47) to move in the length direction of the fourth conveying unit (12), and one end, far away from the material tray driving device (46), of the material tray pull rod (47) is provided with a material tray pull hook (44) for hooking the material tray.