CN208635537U - Powder metallurgy roasting plant feeding system - Google Patents

Abstract

The utility model discloses a kind of powder metallurgy roasting plant feeding system, including rack, cutting agency and transfer tape assemble, the transfer tape assemble includes the charging idler wheel being horizontally set in the rack and unloads material roller, and it is set in the charging idler wheel and unloads the conveyer belt on material roller, cutting agency is located above the feed end of the conveyer belt, its aperture is adjustable, the charging idler wheel is connected with strainer, at the material roller end of unloading equipped with the belt outer surface cleaning mechanism, flattening mechanism is also correspondingly provided in the conveyer belt lower part.Using the utility model has the beneficial effects that, allow operator according to the actual treatment speed of powder raw material property and raw material, regulate and control the blanking velocity of cutting agency, and maintain conveying belt tension, smooth and its outer surface cleaning, generally maintain effective operating of conveyer belt, the service life for extending conveyer belt, improves the reliability of entire feeding system.

Description

Powder metallurgy roasting plant feeding system

Technical field

The utility model relates to powder metallurgy device fields, and in particular to a kind of powder metallurgy roasting plant feeding system.

Background technique

Powder metallurgy is forming technique that is mature rapidly in recent years and being widely applied.To control product quality, metallurgy Powder raw material has to pass through pretreatment.Since powder particle is small, large specific surface area, easily adsorbed water molecule, baking are more often The dehumidification process seen.In workshop, the raw material powder in barrel is stored in through blanking device, transport device, transports into baking Equipment.

Since the humidity of powder particle under the conditions of different batches, different weather is different, reunite different with adhesion property, Flowing velocity in blanking device also often changes.However, unstable discharging speed will for the workshop of automation Influence production efficiency and material quality after pretreatment.The discharging speed that adaptability adjusts blanking device is to solve the problems, such as this Method.Hopper is common blanking device, the change of discharging speed, on the one hand, can be adjusted by adjusting the size of discharge port Control；On the other hand, the adherency by reducing reunion and lower hopper inner wall of the powder raw material in lower hopper is needed, to enhance stream Dynamic property.

Conveyer belt is common transport device, using closed type conveyer belt as traction element and carrying member.Conveyer belt dress Set and have the following problems: first is that conveyer belt is easily elongated and deformed after endurance loading operating, conveyer belt can not be tensioned when idle running, Transmission efficiency is caused to decline；Second is that not smooth enough after conveyer belt deformation, the two sides of especially conveyer belt are easily tilted, and tension is uneven It is even, cause transmission efficiency to decline, influence to load transport, reduces transmission tape lifetime and even cause accident；Further, since powder particle It is easily adsorbed on conveyor belt surface, discharging is not thorough, and is not only wasted raw material, and fugitive dust in workshop, pollution environment and band are also easily caused Carry out security risk.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of powder metallurgy roasting plant feeding system.

Technical solution is as follows:

A kind of powder metallurgy roasting plant feeding system, including rack and transfer tape assemble, the transfer tape assemble include water It puts down the charging idler wheel being arranged in the rack and unloads material roller, and be set in the charging idler wheel and unload defeated on material roller Send band, the conveyer belt with the charging idler wheel and unload material roller rotation and loop back, to form sending of being located above Expect section, underlying return phase, and is around in the charging idler wheel and unloads the meander sections on material roller；The material roller that unloads leads to It crosses bearing to be installed in the rack, it is critical that being equipped with speed-adjustable blanking machine above the feed end of the conveyer belt Structure, the charging idler wheel are connected with strainer, are equipped with the belt outer surface cleaning mechanism at the material roller end of unloading, The return phase is additionally provided with the flattening mechanism of the conveyer belt.

Using the above design, it the advantage is that the speed of cutting agency is adjustable, can be directed to according to the property of powder raw material Sexually revise blanking velocity, raw material is transported to roasting plant after falling on the feed end of conveyer belt, passes through mating setting strainer It can make conveying belt tension, setting cleaning mechanism can keep the cleaning of belt outer surface, and setting flattening mechanism helps to maintain defeated It send with smooth, generally effective operating of maintenance conveyer belt, holding conveyer belt normal work extends the service life of conveyer belt, Cutting agency and transfer tape assemble cooperation, improve the reliability of entire feeding system.

As optimal technical scheme, above-mentioned cutting agency includes hopper, and the feed hopper bottom is equipped with feed opening, the feed opening On be covered with aperture regulation plate, the hopper includes the triangular end plates of two pieces of faces setting, and is connected to two pieces described three The first side plate and the second side plate between angular end plate, wherein the bottom margin of the first side plate is equipped with the feed opening；

The aperture regulation plate is fitted in first side plate outer surface, and slidable fit mechanism is equipped on the hopper, The slidable fit mechanism includes two slide-and-guide items, and two slide-and-guide items are lived apart aperture regulation plate two sides, Two slide-and-guide items are installed in parallel on the outer wall of the hopper, the outer wall of the slide-and-guide item and the hopper it Between formed slidable fit slot, the both sides of the edge of the aperture regulation plate are inserted in the slidable fit slot；

The aperture regulation plate is also connected with regulating mechanism, which controls the aperture regulation plate along described the The outer wall of side plate slides, to adjust the openings of sizes of the feed opening；

The regulating mechanism includes intermeshing rack and pinion, and the rack gear is to be parallel to the slide-and-guide item The outer surface of the aperture regulation plate is arranged in posture, and the gear is driven by actuator and rotated.

Using the above design, it the advantage is that through regulating mechanism, can control the opening size of feed opening, thus according to powder The humidity condition of powder stock controls blanking velocity.

As optimal technical scheme, above-mentioned hopper is equipped with bearing block, installs sprocket drive spindle on the bearing block, the gear shaft One end connect the gear, the other end of the gear shaft connects the actuator；

The actuator includes adjustable plate, which connects the gear shaft perpendicular to the gear shaft, the adjustable plate, The adjustable plate is equipped with swing handle；

The rotary spacing slot of arc, center of circle line and the gear of the rotary spacing slot are offered on the adjustable plate Pivot center is overlapped, and the corresponding rotary spacing slot is equipped with rotary spacing pin shaft, and one end of the rotary spacing pin shaft is connected to institute The outer wall of hopper is stated, the free end of the rotary spacing pin shaft is pierced by the rotary spacing slot；

It is connected with tie down screw in the same direction in the free end of the rotary spacing pin shaft, which has matched locking screw Mother, the locking nut press the adjustable plate to lock the aperture regulation plate.

Using the above design, it the advantage is that and facilitate operation swing handle, aperture regulation is adjusted by gear and rack teeth mechanism Plate moves up and down, to continuously adjust the size of feed opening；And the cooperation of locking nut and adjustable plate can be passed through, in adjustable range Interior any position locks adjustable plate.

As optimal technical scheme, it is additionally provided with striking mechanism outside above-mentioned hopper, which includes bracket, driving lever, strikes It taps the head, the middle part of the driving lever and the bracket are hinged, and the lower end of the driving lever is connected with the striking head, the striking head direction The outer wall of the hopper ontology；

The striking mechanism further includes driving lever tension spring and toggle mechanism；

One end of the driving lever tension spring is connected with the outer wall of the hopper, and the other end is connected with the lower part of the driving lever；

The toggle mechanism includes camshaft and cam, and the both ends of the camshaft pass through bearing respectively and are installed on the branch On frame, fixation is installed with the cam on the camshaft, and the plane of rotation of the cam makes described dial against the top of the driving lever The lower part of bar is far from the hopper.

Using the above design, it the advantage is that through manual or connection driving device driving cam means, can conveniently stir Driving lever prevents powder raw material from assembling feed opening being blocked so that striking head be driven to tap hopper, and the powder be conducive in hopper is smooth Flowing.

As optimal technical scheme, above-mentioned strainer include set on it is described charging idler wheel below sliding rack, it is described into Material roller is installed on the sliding rack by bearing；

Counterweight drag-line is connected on the sliding rack, the corresponding counterweight drag-line is equipped with angle pulley, the counterweight drag-line One end is connected with the charging idler wheel or sliding rack, and the other end is hung with clump weight after bypassing angle pulley, which passes through The counterweight drag-line holds the sliding rack, makes the conveying belt tension；

The rack is equipped with limit track, and the limit track is parallel with the surface of the conveyer belt, the limit track position Below the sliding rack, it is installed with wheel on the sliding rack, the wheel rolls on the limit track.

Using the above design, by the gravity of clump weight, tensioning counterweight drag-line pulls sliding rack, no matter on conveyer belt It whether is mounted with powder raw material, makes conveying belt tension to adapting to property；By the way that limit track is arranged, sliding rack can be limited Moving direction it is parallel with the rotation direction of conveyer belt, be conducive to keep conveyer belt steady running.

As optimal technical scheme, suspension door frame is additionally provided in above-mentioned rack, the suspension door frame is close to the feed roller Wheel；

The clump weight unloads material roller also close to described, the angle pulley be located at it is described unload material roller and clump weight it Between；

There are two the angle pulleys, respectively low level fixed pulley and high-order fixed pulley, the low level fixed pulley and a high position Fixed pulley is respectively arranged on the suspension door frame, and the counterweight drag-line successively bypasses the low level fixed pulley and high-order fixed pulley Reverse hang, end are hung with the clump weight.

Using the above design, the commutation of counterweight drag-line can be realized in a smaller space, to facilitate suspended counterweight block, tie Structure is compact.

As optimal technical scheme, rectangle protective frame is arranged with outside above-mentioned high position fixed pulley, any the two of the protective frame A opposite frame side is connected with the wheel shaft both ends of the high-order fixed pulley respectively, and the protective frame is horizontally disposed；

Suspended chain is additionally provided on the suspension door frame, the upper end of the suspended chain is connected with the suspension door frame, described outstanding The lower end of chaining is connected with the clump weight；

Horizontal in the rack to be equipped with baffle fixed link, one end of the baffle fixed link is connected with the rack, described The other end of baffle fixed link stretches to the clump weight, and is connected with postive stop baffle, and the postive stop baffle is vertically arranged and close to institute State clump weight；

At least two pieces of postive stop baffles are equipped with around the clump weight, the clump weight is surrounded in all postive stop baffles It is moved in region.

Using the above design, protective frame can be prevented under egregious cases, if the counterweight Cable failure of high-order fixed pulley two sides, no It can fly out and hurt sb.'s feelings or destroy other devices；Under normal circumstances, the length of suspended chain is greater than the upper end to its lower end and counterweight The height of block tie point, so that the pulling force that clump weight acts on counterweight drag-line is not influenced, and in an extreme situation, if counterweight is drawn Rope fracture, suspended chain can hold clump weight, prevent the apparatus of its broken dropped below；Postive stop baffle can prevent counterweight Deviate vertical direction when block moves up and down and shake, is conducive to that conveyer belt is kept steadily to be tensioned.

As optimal technical scheme, above-mentioned cleaning mechanism includes the clearer outside the conveyer belt, which leans on Material roller is unloaded described in close, the roll shaft of the clearer and the axis parallel for unloading material roller, the roll shaft both ends of the clearer It is mounted on the rack also by bearing respectively, the length of the clearer is more than or equal to the width of the conveyer belt, the cleaning The side wall of roller is bonded with the outer surface of the conveyer belt；

The cleaning mechanism further includes strip cleaning blade, which is located above the clearer, the cleaning Scraper plate is arranged along the width direction of the conveyer belt, and the length of the cleaning blade is more than or equal to the width of the conveyer belt, should Cleaning blade is close to the edge of the conveyer belt side and the appearance face contact of the conveyer belt；

The plate face of the cleaning blade is angularly disposed, and the cleaning blade is higher than it close to the edge of the conveyer belt side Opposite side edge；

The both ends of the cleaning blade are hinged with the rack respectively, and the pivot center of the cleaning blade is parallel to institute The axial line for unloading material roller is stated, the cleaning blade is also connected with scraper plate tension spring close to the side of the conveyer belt, which draws The upper end of spring is connected with the lower surface of the cleaning blade, and the lower end of the scraper plate tension spring is connected with the rack.

Using the above design, when conveyer belt operating is by clearer, the rotation of clearer can clear away transmission belt surface Residual powder reduces fugitive dust to keep it clean；When the powder humidity on conveyer belt is larger or powder adheres on the conveyor belt When, it can easily strike off；The plate face of cleaning blade is angularly disposed, so that the powder mass struck off can be along the plate of cleaning blade Face is slided, and accumulation of the powder between scraper plate and conveyer belt, and cleaning blade and conveyor belt surface Elastic Contact, Ji Nengyou are reduced Effect strikes off powder, and reduces the abrasion to conveyor belt surface.

As optimal technical scheme, above-mentioned flattening mechanism includes pressure-bearing plane, which is located at the return phase Lower section and parallel with its surface, is equipped with flattening briquetting between the feeding section and return phase, which returns described It returns section to be downwardly against in the pressure-bearing plane, which keeps relatively fixed with the pressure-bearing plane, and the conveyer belt follows The return phase is pulled to pass through when loopback turns between the flattening briquetting and pressure-bearing plane.

It using the above design, the advantage is that conveyer belt circulates through between flattening briquetting and pressure-bearing plane, realize pair The pressing of conveyer belt is conducive to the steady running of conveyer belt.

As optimal technical scheme, the lower section of above-mentioned return phase is equipped with flattening platform, and the upper surface of the flattening platform is institute State pressure-bearing plane；

Door frame is equipped with above the pressure-bearing plane, two vertical bars of the door frame stand on the return phase two sides, the door The cross bar of frame is across between the feeding section and return phase, and the cross bar of the door frame is equipped with lifters, which sets There is the flattening briquetting；

The lifters include lifting screw, and the lifting screw is vertically arranged, the cross bar of the lifting screw and the door frame It is threadedly coupled, the lower end of the lifting screw connects the flattening briquetting；

Corresponding each flattening briquetting is respectively equipped with the lifting screw, and the upper end of the lifting screw is connected separately with Handwheel.

Using the above design, the advantage is that can decide whether to press as needed and facilitate rotation lifting screw with Adjust the pressure size that flattening briquetting applies conveyer belt.

The utility model has the advantages that using the utility model has the beneficial effects that allowing operator according to powder raw material property and original The actual treatment speed of material, regulates and controls the blanking velocity of cutting agency, can make conveying belt tension by mating setting strainer, if The cleaning of belt outer surface can be kept by setting cleaning mechanism, and it is smooth that setting flattening mechanism helps to maintain conveyer belt, generally be tieed up Effective operating of conveyer belt is held, keeps conveyer belt to work normally, extends the service life of conveyer belt, cutting agency and conveyer belt machine Structure cooperation improves the reliability of entire feeding mechanism.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of hopper；

Fig. 3 is the mounting structure schematic diagram of aperture regulation plate and adjustment structure；

Fig. 4 is the structural schematic diagram of cutting agency；

Fig. 5 is the structural schematic diagram of striking mechanism；

Fig. 6 is the structural schematic diagram of the installation of clump weight；

Fig. 7 is the structural schematic diagram of cleaning blade；

Fig. 8 is the mounting structure schematic diagram for flattening briquetting.

Specific embodiment

Below with reference to embodiment and attached drawing, the utility model is described in further detail.

As shown in Figure 1, a kind of powder metallurgy roasting plant feeding system, including rack 4 and transfer tape assemble 5, the transmission Include the charging idler wheel 5c that is horizontally set in the rack 4 with component 5 and unload material roller 5b, and is set in the feed roller Wheel 5c and unload conveyer belt 5a, the conveyer belt 5a on material roller 5b with the charging idler wheel 5c and unload material roller 5b rotation and Loop back to form feeding section 5a1, the underlying return phase 5a2 being located above, and is around in the charging idler wheel 5c and the meander sections for unloading 5b on material roller.

The material roller 5b that unloads is installed in the rack 4 by bearing, is set above the feed end of the conveyer belt 5a There is speed-adjustable cutting agency, the charging idler wheel 5c is connected with strainer, at the end material roller 5b of unloading equipped with described defeated The band outer surface 5a cleaning mechanism is sent, is additionally provided with the flattening mechanism of the conveyer belt 5a in the return phase 5a2.

The cutting agency includes hopper 1, and 1 bottom of hopper is equipped with feed opening 1a, is covered with out on feed opening 1a Adjustable plate 1b is spent, the hopper 1 includes the triangular end plates of two pieces of faces setting, and is connected to two pieces of triangular end plates Between the first side plate and the second side plate, wherein the bottom margin of the first side plate be equipped with the feed opening 1a.Raw material is from the blanking Mouth 1a is fallen on the feed end of the conveyer belt 5a.

Specifically, hopper frame 8 is equipped at the feed end of the conveyer belt 5a, which includes setting up separately described defeated The column with the two sides 5a is sent, the hopper 1 is fixed on 8 top of hopper frame.First side plate is vertical and is obliquely installed, two pieces of institutes End plate is stated to be located above the both sides of the edge the conveyer belt 5a so that the feed opening 1a be located at the conveyer belt 5a just on Side.

As shown in Fig. 2, the aperture regulation plate 1b is fitted in first side plate outer surface, it is equipped on the hopper 1 Slidable fit mechanism 1c, the slidable fit mechanism 1c include two slide-and-guide items, two slide-and-guide items separation institutes The two sides aperture regulation plate 1b are stated, two slide-and-guide items are installed in parallel on the outer wall of the hopper 1, the slide-and-guide Slidable fit slot is formed between item and the outer wall of the hopper 1, the both sides of the edge of the aperture regulation plate 1b are inserted in the cunning In dynamic fitting groove.

As shown in figure 3, the aperture regulation plate 1b is also connected with regulating mechanism 2, which controls the aperture tune It saves plate 1b to slide along the outer wall of first side plate, to adjust the openings of sizes of the feed opening 1a.The regulating mechanism 2 wraps Intermeshing rack gear 2a and gear 2b, the rack gear 2a are included to be parallel to the setting of the posture of the slide-and-guide item described and open The outer surface of adjustable plate 1b is spent, the gear 2b is driven by actuator and rotated.The rack gear 2a and gear 2b has two pairs, to mention The sliding stability of the high aperture regulation plate 1b.

As shown in figure 4, the hopper 1 is equipped with bearing block, sprocket drive spindle is installed on the bearing block, one end of the gear shaft The gear 2b is connected, the other end of the gear shaft connects the actuator.The actuator includes adjustable plate 2c, the adjustable plate 2c is equipped with swing handle 2g perpendicular to the gear shaft, the adjustable plate 2c connection gear shaft, adjustable plate 2c.

Offer the rotary spacing slot 2d of arc on the adjustable plate 2c, the center of circle line of rotary spacing slot 2d with it is described The pivot center of gear 2b is overlapped, and the corresponding rotary spacing slot 2d is equipped with rotary spacing pin shaft 2e, rotary spacing pin shaft 2e One end be connected to the outer wall of the hopper 1, the free end of rotary spacing pin shaft 2e is pierced by the rotary spacing slot.Described The free end of rotary spacing pin shaft 2e is connected with tie down screw in the same direction, which has matched locking nut (tie down screw It is not shown with locking nut), which presses the adjustable plate 2c to lock the aperture regulation plate 1b.

As shown in figure 4, being additionally provided with striking mechanism 3 outside the hopper 1, which includes bracket 3a, driving lever 3b, strikes Tap the head 3c, and the middle part of the driving lever 3b and the bracket 3a are hinged, and the lower end of the driving lever 3b is connected with the striking head 3c, should Outer wall of the striking head 3c towards the hopper ontology.

The striking mechanism 3 further includes driving lever tension spring 3d and toggle mechanism.One end of the driving lever tension spring 3d and the material The outer wall of bucket 1 is connected, and the other end is connected with the lower part of the driving lever 3b.

The toggle mechanism includes camshaft 3f and cam 3e, and the both ends of the camshaft 3f are installed on by bearing respectively On the bracket 3a, fixation is installed with the cam 3e on the camshaft 3f, and the plane of rotation of cam 3e is against the driving lever The top of 3b, makes the lower part of the driving lever 3b far from the hopper 1, and the driving lever tension spring 3d tension rebound makes the striking head 3c taps the outer wall of the hopper ontology.

As shown in figure 5, the driving lever 3b, striking head 3c and driving lever tension spring 3d it is each there are two, two driving lever 3b's is upper End is connected by connecting rod；It is set on the camshaft 3f there are two the cam 3e, the phase difference of two cam 3e, it is first After stir the connecting rod, to improve percussion frequency.

In use, can control the opening size of feed opening 1a, thus according to the humidity feelings of powder raw material by regulating mechanism Condition controls blanking velocity, and setting striking mechanism 3 can reduce adherency of the powder raw material on 1 inner wall of hopper, realize continuous blanking.

As shown in Figure 1, being equipped with sliding rack 5d below the charging idler wheel 5c, the charging idler wheel 5c is installed on by bearing On the sliding rack 5d.Counterweight drag-line 9a is connected on the sliding rack 5d, the corresponding counterweight drag-line 9a is equipped with angle pulley 9b, One end of the counterweight drag-line 9a is connected with the charging idler wheel 5c or sliding rack 5d, and the other end is hung after bypassing angle pulley 9b There is clump weight 9c, clump weight 9c holds the sliding rack 5d by the counterweight drag-line 9a, is tensioned the conveyer belt 5a.

To improve clump weight 9c gravity to the drawing efficiency of conveyer belt 5a, the counterweight drag-line 9a is located at the charging Part between idler wheel 5c and low level fixed pulley is horizontal segment, which pulls along away from the direction for unloading material roller 5b The sliding rack 5d, and the extended line of horizontal segment passes through the shaft centerline of the charging idler wheel 5c, sliding when preventing tension Frame 5d teetertotters.

The rack 4 is equipped with limit track 5e, and limit track 5e is parallel with the surface of the conveyer belt 5a, the limit Track 5e is located at below the sliding rack 5d, is installed with wheel 5f on the sliding rack 5d, the wheel 5f is in the position-limited rail It is rolled on road 5e.

Suspension door frame 9e is additionally provided in the rack 4, the suspension door frame 9e is close to the charging idler wheel 5c；The counterweight Block 9c is also close to the charging idler wheel 5c, and the angle pulley 9b is between the charging idler wheel 5c and clump weight 9c.It is described There are two angle pulley 9b, respectively low level fixed pulley and high-order fixed pulley, the low level fixed pulley and high-order fixed pulley difference It is installed on the suspension door frame 9e, the counterweight drag-line 9a successively bypasses the low level fixed pulley and high-order fixed pulley rear overhang It hangs down, end is hung with the clump weight 9c.

Specifically, the suspension door frame 9e includes column and crossbeam, and the two sides of suspension door frame 9e are respectively provided with one group of column, and two The lower end of the column of side is fixed in the rack 4, and the upper end of the column is connected with the crossbeam, described high-order fixed sliding There are two wheels, is respectively arranged in the crossbeam both ends, is also connected with pulley mounting rod between the column of two sides and (does not show in figure Out), the low level fixed pulley also there are two, be respectively arranged on the pulley mounting rod.The counterweight drag-line 9a has two, end End is connected with the both ends of the clump weight 9c respectively.

Rectangle protective frame 9d is arranged with outside the high position fixed pulley, any two of the protective frame 9d are distinguished with respect to frame side It is connected with the wheel shaft both ends of the high-order fixed pulley, the protective frame 9d is horizontally disposed.

As shown in fig. 6, being respectively provided with a suspended chain 9f at left and right sides of the suspension door frame 9e, the suspended chain 9f's is upper End is connected with the suspension door frame 9e, and the lower end of the suspended chain 9f is connected with the clump weight 9c.The length of the suspended chain 9f Degree is greater than the upper end to the height of its lower end and the clump weight 9c tie point, less than the distance of the upper end to ground.Normal work When making, suspended chain 9f is in relaxed state, and conveyer belt 5a clump weight 9c when loading and discharging is moved up and down not It is impacted；Under extreme case, if counterweight drag-line 9a is broken, the suspended chain 9f can hold the clump weight 9c.

It is horizontal in the rack 4 to be equipped with baffle fixed link 9h, one end of the baffle fixed link 9h and 4 phase of rack Even, the other end of the baffle fixed link 9h stretches to the clump weight 9c, and is connected with postive stop baffle 9g, postive stop baffle 9g The vertically arranged and close clump weight 9c；At least two pieces of postive stop baffle 9g, the clump weight are equipped with around the clump weight 9c 9c is moved in the region that all postive stop baffle 9g are surrounded.

For keep the surface conveyer belt 5a cleaning, as shown in Figure 1, the cleaning mechanism include be set to the conveyer belt 5a outside Clearer 7a, clearer 7a unloads material roller 5b close to described, the roll shaft of clearer 7a and the axis for unloading material roller 5b Heart line is parallel, and the length of clearer 7a is more than or equal to the width of the conveyer belt 5a, the side wall of clearer 7a with it is described defeated The outer surface with 5a is sent to be bonded.Typically, the clearer 7a is brush roll.

The end material roller 5b of unloading is additionally provided with strip cleaning blade 7b, and cleaning blade 7b is located on the clearer 7a Side, cleaning blade 7b are arranged along the width direction of the conveyer belt 5a, and the length of cleaning blade 7b is more than or equal to described The width of conveyer belt 5a, cleaning blade 7b connect close to the edge of the side the conveyer belt 5a and the outer surface of the conveyer belt 5a Touching.

The plate face of the cleaning blade 7b is angularly disposed, edge of the cleaning blade 7b close to the side the conveyer belt 5a Higher than its opposite side edge.

The both ends of the cleaning blade 7b are hinged with the rack 4 respectively, it is preferable that the roll shaft two of the clearer 7a End is mounted in the rack 4 also by bearing respectively, and the pivot center of the cleaning blade 7b is parallel to the discharging rolling The axial line of 5b is taken turns, the cleaning blade 7b is also connected with scraper plate tension spring 7c close to the side of the conveyer belt 5a, which draws The upper end of spring 7c is connected with the lower surface of the cleaning blade 7b, and the lower end of scraper plate tension spring 7c is connected with the rack 4.This Sample can make the scraper side resilient abutment of the cleaning blade 7b on the conveyer belt 5a.

As shown in fig. 7, the cleaning blade 7b includes the polyfluortetraethylene plate 7b1 being generally aligned in the same plane and steel plate 7b2, two It is connected with each other between person, wherein the edge of polyfluortetraethylene plate 7b1 is against the outer surface of the conveyer belt 5a, to reduce cleaning Friction between scraper plate 7b and conveyer belt 5a, the steel plate 7b2 is far from the conveyer belt 5a.

It is additionally provided with collection bucket 7d below the steel plate 7b2, collection bucket 7d is also installed in the rack 4, described clear The lower edge of clean scraper plate 7b is located above the collection bucket 7d.The lumps raw material struck off can be recycled.

The conveyer belt 5a cycle operation after discharging, first passes through cleaning blade 7b, is adhered to the powder on the surface conveyer belt 5a Powder stock is largely struck off, using the clearer 7a.The clearer 7a can be driven by motor, and persistently clean described defeated Send the surface with 5a.By striking off and cleaning the thorough cleaning, it can be achieved that conveyer belt 5a.

It is smooth to keep conveyer belt 5a's, as shown in Figure 1, the corresponding return phase 5a2 is equipped with flattening mechanism.The flattening machine Structure includes pressure-bearing plane 6b, which is located at the lower section of the return phase 5a2 and parallel with its surface, specifically, The upper surface that the lower section of the return phase 5a2 is equipped with flattening platform 6a, flattening platform 6a is the pressure-bearing plane 6b.Institute It states and is equipped with flattening briquetting 6c between feeding section 5a1 and return phase 5a2, which is downwardly against the return phase 5a2 On the pressure-bearing plane 6b, the flattening briquetting 6c and pressure-bearing plane 6b keeps relatively fixed, and the conveyer belt 5a is recycled back to The return phase 5a2 is pulled to pass through when turning between the flattening briquetting 6c and pressure-bearing plane 6b.

Due to being easier to tilt at the two edges the conveyer belt 5a, in the present embodiment, close to the return phase 5a2's Both sides of the edge are respectively equipped with the flattening briquetting 6c, and are equipped with two rows of flattenings along the return phase 5a2 moving direction and press Flattening briquetting 6c is respectively set in block 6c, two sides, can flatten simultaneously from the both sides conveyer belt 5a to it.

To be conveniently adjusted flattening the distance between briquetting 6c and the pressure-bearing plane 6b, as shown in figure 8, the pressure-bearing plane Door frame 6e is equipped with above 6b, two vertical bars of the door frame 6e stand on the two sides the return phase 5a2, the cross bar of the door frame 6e Across between the feeding section 5a1 and return phase 5a2, the cross bar of the door frame 6e is equipped with lifters, which sets There is the flattening briquetting 6c.

Specifically, the lifters include lifting screw 6f, and lifting screw 6f is vertically arranged, lifting screw 6f and institute The cross bar for stating door frame 6e is threadedly coupled, and the lower end of lifting screw 6f connects the flattening briquetting 6c.Corresponding each flattening Briquetting 6c is respectively equipped with the lifting screw 6f, and the upper end of the lifting screw 6f is connected separately with handwheel 6g.

Steadily to slip over the flattening briquetting 6c convenient for the conveyer belt 5a, the flattening briquetting 6c is in round pie, the exhibition The bottom surface of concora crush block 6c is parallel to the return phase 5a2, and the bottom surface of the flattening briquetting 6c forms the pressure plane 6d.By Sliding friction between the conveyer belt 5a locally tilted in operation process and flattening briquetting 6c, the flattening briquetting 6c of round pie can It prevents conveyer belt 5a to be punctured or in the conveyer belt 5a excessive wear for flattening the edge briquetting 6c, the design of round pie be can be avoided Friction between wedge angle and the conveyer belt 5a prevents part to be punctured or excessive wear.

When practical operation, operator regulates and controls cutting agency according to the actual treatment speed of powder raw material property and raw material Blanking velocity, and maintain conveying belt tension, smooth and its outer surface cleaning, generally maintain effective operating of conveyer belt, The service life for extending conveyer belt, improves the reliability of entire feeding system.

Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make Multiple similar expressions, such transformation are each fallen within the protection scope of the utility model.

Claims (10)

1. a kind of powder metallurgy roasting plant feeding system, including rack (4) and transfer tape assemble (5), the transfer tape assemble (5) Including the charging idler wheel (5c) being horizontally set on the rack (4) and material roller (5b) is unloaded, and is set in the feed roller It takes turns (5c) and unloads the conveyer belt (5a) on material roller (5b), the conveyer belt (5a) is with the charging idler wheel (5c) and unloads material roller The rotation of (5b) and loop back, so that the feeding section (5a1) being located above is formed, underlying return phase (5a2), and It is around in charging idler wheel (5c) and unloads the meander sections on material roller (5b)；

The material roller (5b) that unloads is installed on the rack (4) by bearing, it is characterised in that:

Speed-adjustable cutting agency is equipped with above the feed end of the conveyer belt (5a), the charging idler wheel (5c), which is connected with, opens Tight mechanism is equipped with the outer surface the conveyer belt (5a) cleaning mechanism at described end material roller (5b) of unloading, at the return phase (5a2) It is additionally provided with the flattening mechanism of the conveyer belt (5a).

2. powder metallurgy roasting plant feeding system according to claim 1, it is characterised in that: the cutting agency includes Hopper (1), hopper (1) bottom are equipped with feed opening (1a), are covered with aperture regulation plate (1b) on the feed opening (1a), described Hopper (1) includes the triangular end plates of two pieces of faces setting, and the first side being connected between two pieces of triangular end plates Plate and the second side plate, wherein the bottom margin of the first side plate is equipped with the feed opening (1a)；

The aperture regulation plate (1b) is fitted in first side plate outer surface, and slidable fit machine is equipped on the hopper (1) Structure (1c), the slidable fit mechanism (1c) include two slide-and-guide items, two slide-and-guide items separation apertures The two sides adjustable plate (1b), two slide-and-guide items are installed in parallel on the outer wall of the hopper (1), the slide-and-guide item Slidable fit slot is formed between the outer wall of the hopper (1), the both sides of the edge of the aperture regulation plate (1b) are inserted in described In slidable fit slot；

The aperture regulation plate (1b) is also connected with regulating mechanism (2), which controls the aperture regulation plate (1b) It is slided along the outer wall of first side plate, to adjust the openings of sizes of the feed opening (1a)；

The regulating mechanism (2) includes intermeshing rack gear (2a) and gear (2b), and the rack gear (2a) is described to be parallel to In the outer surface of the aperture regulation plate (1b), the gear (2b) is turned by actuator driving for the posture setting of slide-and-guide item It is dynamic.

3. powder metallurgy roasting plant feeding system according to claim 2, it is characterised in that: set on the hopper (1) Have bearing block, sprocket drive spindle be installed on the bearing block, one end of the gear shaft connects the gear (2b), the gear shaft it is another End connects the actuator；

The actuator includes adjustable plate (2c), which connects institute perpendicular to the gear shaft, the adjustable plate (2c) Gear shaft is stated, which is equipped with swing handle (2g)；

The rotary spacing slot (2d) of arc, the center of circle line of the rotary spacing slot (2d) and institute are offered on the adjustable plate (2c) The pivot center for stating gear (2b) is overlapped, and the corresponding rotary spacing slot (2d) is equipped with rotary spacing pin shaft (2e), rotation limit One end of position pin shaft (2e) is connected to the outer wall of the hopper (1), and the free end of the rotary spacing pin shaft (2e) is pierced by described turn Dynamic limiting slot；

It is connected with tie down screw in the same direction in the free end of the rotary spacing pin shaft (2e), which has matched locking screw Mother, the locking nut press the adjustable plate (2c) to lock the aperture regulation plate (1b).

4. powder metallurgy roasting plant feeding system according to claim 2 or 3, it is characterised in that: the hopper (1) is outside Striking mechanism (3) are additionally provided with, which includes bracket (3a), driving lever (3b), striking head (3c), the driving lever (3b) Middle part and the bracket (3a) hingedly, the lower end of the driving lever (3b) is connected with the striking head (3c), the striking head (3c) Towards the outer wall of the hopper ontology；

The striking mechanism (3) further includes driving lever tension spring (3d) and toggle mechanism；

One end of the driving lever tension spring (3d) is connected with the outer wall of the hopper (1), the lower part of the other end and the driving lever (3b) It is connected；

The toggle mechanism includes camshaft (3f) and cam (3e), and the both ends of the camshaft (3f) are installed by bearing respectively In on the bracket (3a), fixation is installed with the cam (3e) on the camshaft (3f), and the plane of rotation of the cam (3e) supports By the top of the driving lever (3b), make the lower part of the driving lever (3b) far from the hopper (1).

5. powder metallurgy roasting plant feeding system according to claim 1, it is characterised in that: the strainer includes Sliding rack (5d) below charging idler wheel (5c), the charging idler wheel (5c) are installed on the sliding rack by bearing On (5d)；

It is connected with counterweight drag-line (9a) on the sliding rack (5d), the corresponding counterweight drag-line (9a) is equipped with angle pulley (9b), institute The one end for stating counterweight drag-line (9a) is connected with the charging idler wheel (5c) or sliding rack (5d), and the other end bypasses angle pulley (9b) After be hung with clump weight (9c), which holds the sliding rack (5d) by the counterweight drag-line (9a), makes described Conveyer belt (5a) tensioning；

The rack (4) is equipped with limit track (5e), and the limit track (5e) is parallel with the surface of the conveyer belt (5a), should Limit track (5e) is located at below the sliding rack (5d), is installed with wheel (5f), the wheel on the sliding rack (5d) (5f) is rolled on the limit track (5e).

6. powder metallurgy roasting plant feeding system according to claim 5, it is characterised in that: on the rack (4) also Equipped with suspension door frame (9e), the suspension door frame (9e) is close to the charging idler wheel (5c)；

The clump weight (9c) is unloaded material roller (5b) also close to described, and the angle pulley (9b) unloads material roller (5b) positioned at described Between clump weight (9c)；

There are two the angle pulleys (9b), respectively low level fixed pulley and high-order fixed pulley, the low level fixed pulley and a high position Fixed pulley is respectively arranged on the suspension door frame (9e), and the counterweight drag-line (9a) successively bypasses the low level fixed pulley and height Position fixed pulley reverse hang, end is hung with the clump weight (9c).

7. powder metallurgy roasting plant feeding system according to claim 6, it is characterised in that: outside the high position fixed pulley It is arranged with rectangle protective frame (9d), any two of the protective frame (9d) are with respect to the frame side wheel with the high-order fixed pulley respectively Axis both ends are connected, and the protective frame (9d) is horizontally disposed；

It is additionally provided with suspended chain (9f) on the suspension door frame (9e), the upper end of the suspended chain (9f) and the suspension door frame (9e) It is connected, the lower end of the suspended chain (9f) is connected with the clump weight (9c)；

It is horizontal on the rack (4) to be equipped with baffle fixed link (9h), one end and the rack (4) of the baffle fixed link (9h) It is connected, the other end of the baffle fixed link (9h) stretches to the clump weight (9c), and is connected with postive stop baffle (9g), the limit Baffle (9g) is vertically arranged and close to the clump weight (9c)；

At least two pieces of postive stop baffles (9g) are equipped with around the clump weight (9c), the clump weight (9c) is in all limiting blocks It is moved in the region that plate (9g) surrounds.

8. powder metallurgy roasting plant feeding system according to claim 1, it is characterised in that: the cleaning mechanism includes Set on the clearer (7a) of the conveyer belt (5a) outside, which unloads material roller (5b), the clearer close to described The roll shaft of (7a) and the axis parallel for unloading material roller (5b), the roll shaft both ends of the clearer (7a) are also by axis respectively It holds and is mounted on the rack (4), the length of the clearer (7a) is more than or equal to the width of the conveyer belt (5a), the clearer The side wall of (7a) is bonded with the outer surface of the conveyer belt (5a)；

The cleaning mechanism further includes strip cleaning blade (7b), which is located on the clearer (7a) Side, the cleaning blade (7b) are arranged along the width direction of the conveyer belt (5a), and the length of the cleaning blade (7b) is greater than etc. In the width of the conveyer belt (5a), edge and the conveyer belt of the cleaning blade (7b) close to the side the conveyer belt (5a) The appearance face contact of (5a)；

The plate face of the cleaning blade (7b) is angularly disposed, side of the cleaning blade (7b) close to the side the conveyer belt (5a) Edge is higher than its opposite side edge；

The both ends of the cleaning blade (7b) respectively with the rack (4) hingedly, and the pivot center of the cleaning blade (7b) It is parallel to the axial line for unloading material roller (5b), the cleaning blade (7b) is also connected with close to the side of the conveyer belt (5a) There is scraper plate tension spring (7c), the upper end of the scraper plate tension spring (7c) is connected with the lower surface of the cleaning blade (7b), the scraper plate tension spring The lower end of (7c) is connected with the rack (4).

9. powder metallurgy roasting plant feeding system according to claim 1, it is characterised in that: the flattening mechanism includes Pressure-bearing plane (6b), the pressure-bearing plane (6b) are located at the lower section of the return phase (5a2) and parallel with its surface, send described Expect to be equipped between section (5a1) and return phase (5a2) and flatten briquetting (6c), the flattening briquetting (6c) by the return phase (5a2) to Under be pressed on the pressure-bearing plane (6b), the flattening briquetting (6c) and the pressure-bearing plane (6b) keep relatively fixed, described defeated The return phase (5a2) is pulled to pass through between the flattening briquetting (6c) and pressure-bearing plane (6b) when sending band (5a) loop back It crosses.

10. powder metallurgy roasting plant feeding system according to claim 9, it is characterised in that: the return phase (5a2) Lower section be equipped with flattening platform (6a), the upper surface of the flattening platform (6a) is the pressure-bearing plane (6b)；

It is equipped with door frame (6e) above the pressure-bearing plane (6b), two vertical bars of the door frame (6e) stand on the return phase The two sides (5a2), the cross bar of the door frame (6e) is across between the feeding section (5a1) and return phase (5a2), the door frame (6e) Cross bar be equipped with lifters, the lifters lower part be equipped with the flattening briquetting (6c)；

The lifters include lifting screw (6f), and the lifting screw (6f) is vertically arranged, the lifting screw (6f) and the door The cross bar of frame (6e) is threadedly coupled, and the lower end of the lifting screw (6f) connects the flattening briquetting (6c)；

Corresponding each flattening briquetting (6c) is respectively equipped with the lifting screw (6f), the upper end point of the lifting screw (6f) It is not connected with handwheel (6g).