CN201267872Y

CN201267872Y - Powder-throwing manipulator

Info

Publication number: CN201267872Y
Application number: CNU2008200593401U
Authority: CN
Inventors: 朱燕青; 汤嘉春; 沈逸毅; 张屹; 瞿烨
Original assignee: Shanghai Dianji University
Current assignee: Shanghai Dianji University
Priority date: 2008-06-03
Filing date: 2008-06-03
Publication date: 2009-07-08
Anticipated expiration: 2018-06-03

Abstract

The utility model relates to a powder-feeding robot hand, which is connected with a guide rail and a hydraulic cylinder fixing plate on the supporting plate. On the board, the piston rod is connected with the carriage to drive the carriage to move on the guide rail; the small carriage is fixed on the carriage through the connection hole. Cavity block; there are two supporting frames connected to the side of the supporting plate, on which are fixed two material buckets composed of three hoppers, a pumping plate is arranged between the hoppers, and the rear end of the pumping plate is connected with a push block and a pneumatic cylinder and The weight meter, the mouth of the material barrel is facing the cavity block; the fixed plate on the fixed frame is closely connected with the second hydraulic cylinder, and the compacting punch at the lower end and the cavity block produce a common powder pressing effect. The utility model has the advantages that it can automatically control the powder feeding and powder feeding amount of metallurgical powder, improve product precision and production efficiency, and is easy to operate, and can enhance the competitiveness of enterprises.

Description

A kind of powder feeding manipulator

[technical field]

The utility model relates to machinery manufacturing technology field, is specifically related to be used for the powder input automatic machinery that carbide alloy is made, and this machine can be controlled the uniformity of throwing the powder amount and throwing powder.

[background technology]

At present at industrial circle, the use of carbide alloy material still more widely, for example, the blade that cutting marble is used is made of the carbide alloy material, need use powder metallurgical technique.In the manufacture process of carbide alloy material, the blank of the powder layer powdered metallurgy of two kinds of materials will need be put into special sintering furnace through the powder metallurgy blank of compacting then and will be carried out sintering.And now; most of manufactory is when the product of manufacturing such as cutting marble blade, and usually still by manually-operated, the workman repaves the powder that spills another kind of material after being layered on a kind of powder in the mould during production in the input of powder; so repeatedly, until finishing the number of plies that regulation needs.Under such mode of production, each amount of throwing in powder all is to control by operator's subjective judgement, and precision can't guarantee that not only the quality of single batch of product can't guarantee, and the homogeneity of the product quality of batch production also can't guarantee, influences production efficiency.And the relevant equipment of import spends very big.

[utility model content]

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can replace manual throwing powder, automatic control to throw the powder amount and throw the accurate powder feeding manipulator of powder in the manufacturing of carbide alloy material, thereby save the labour, enhances productivity.

For achieving the above object, the technical scheme taked of the utility model is:

A kind of powder feeding manipulator, contain supporting plate, planker, guide rail, charging basket, hopper, fixed mount, pushing block, pneumatic cylinder, hydraulic cylinder, weighing batcher, it is characterized in that: form jointly by die cavity piece, compacting block, supporting plate is the rectangle structure, constitute substrate of the present utility model, be provided with linear guides slide block and hydraulic cylinder fixed head on the supporting plate surface, the linear guides slide block by planker and two longitudinally guide rail constitute: there are two slide blocks longitudinally the lower end of planker, and planker rests on the guide rail by the longitudinal sliding block embedding; Be connected with the first charging basket bracing frame, second charging basket bracing frame and the fixed mount in the side of supporting plate, first hydraulic cylinder is fixed on the hydraulic cylinder fixed head, and its piston rod is connected with the rear side of planker, drives planker and moves around on guide rail; Centre at planker is provided with connecting hole, and the upper slide rest quadrate also is provided with the connecting hole same with the planker connecting hole in the middle of it, and the connecting hole by planker and upper slide rest is fixed on upper slide rest on the planker with pin; Be provided with a foursquare groove on the upper slide rest surface, the embedded die cavity piece that is connected to of groove, the die cavity piece becomes rectangle, form by upper impression piece and movable push rod, a square type dead slot is arranged in the middle of the upper impression piece, four jiaos have four through holes as dowel hole, the centre of movable push rod is a square type boss, periphery is provided with the diagonal angle guide pillar, the diameter of square type boss is consistent with the internal diameter of upper impression piece square type dead slot, and when upper impression piece and movable push rod were chimeric, the angle guide pillar embedded through hole, square type boss embeds square type dead slot, forms the middle square type dead slot of die cavity piece;

Right flank at supporting plate is fixedly connected with the first charging basket bracing frame, the second charging basket bracing frame, and the first charging basket bracing frame is made of two poles, is arranged on the right side of nearly first cylinder ends of supporting plate, fixedly connected first charging basket on the bracing frame; The second charging basket bracing frame is made of two poles, and the adjacent first charging basket bracing frame is fixedly connected with second charging basket on it; First charging basket is identical structure with second charging basket, all constitute by first hopper, second hopper, the 3rd hopper and first pushing block, second pushing block, first hopper is up big and down small bucket shape structure, is the upper end of charging basket, is connected on the bracing frame by himself support bar; Second hopper is the upper and lower side square barrel shaped structure consistent with the first hopper lower end diameter, is the stage casing of charging basket, is connected on the bracing frame by himself support bar; The 3rd hopper is up big and down small bucket shape structure, upper end diameter is consistent with the diameter of second hopper, and the lower end forms a horizontal slit, and the length in slit is consistent with the internal diameter of die cavity piece square type dead slot, be the lower end of charging basket, be connected on the bracing frame by himself support bar; Be provided with first pumping board between first hopper and second hopper, the rear end embedding of first pumping board is connected in the front end of first pushing block, and the rear end of first pushing block connects first pneumatic cylinder, and first pneumatic cylinder is connected on the bracing frame by the support bar of second hopper; Between second hopper and the 3rd hopper, be provided with second pumping board, the rear end embedding of second pumping board is connected in the front end of second pushing block, junction at second pumping board and second pushing block is provided with weighing batcher, the rear end of second pushing block connects second pneumatic cylinder, and second pneumatic cylinder is connected on the bracing frame by the support bar of the 3rd hopper;

Fixed mount is arranged on two flank side surface of supporting plate front end, by each two cross bar of three poles of both sides, centre up and down each two cross bar form; Be connected with fixed head with connector on the cross bar of fixed mount, fixed head is made up of two boards up and down, the centre of plate has the hole, upper plate rests on two cross tubes, lower plate rests on two sheer poles, middle perforate lock ring is clamped second hydraulic cylinder, and the lower end of fixed head is provided with the compacting punch, and the compacting punch is connected with the piston rod of the second hydraulic cylinder lower end.

Described die cavity piece is the rectangle rectangular configuration, is made of upper impression piece and movable push rod.

Described fixed mount, the first charging basket bracing frame, the second charging basket bracing frame adopt grey cast-iron HT-200 to make.

Described supporting plate, fixed head, first pushing block, second pushing block adopt No. 45 steels to make.

Described guide rail, first pumping board, second pumping board adopt the spring steel manufacturing.

Described die cavity piece, movable push rod, compacting convex module adopt the high-speed tool steel manufacturing.

The operation principle of a kind of powder feeding manipulator of the utility model is:

Dissimilar metallurgical powders is put into first charging basket and second charging basket respectively, start switch, make first hydraulic cylinder promote planker along the guide rail movement on the supporting plate, the die cavity piece is moved to first charging basket below, at this moment, first charging basket begins to throw powder, throws the powder process to be:

First pneumatic cylinder drives first pushing block first pumping board is extracted out, make metallurgical powder fall on second pumping board of second hopper from first hopper, weighing batcher calculated weight by the second pumping board rear end, after reaching preset value, first pneumatic cylinder drives first pushing block with the first pumping board closure, stops first hopper and adds powder to second hopper.

When first pumping board was closed, second pneumatic cylinder drove second pushing block second pumping board is extracted, and metallurgical powder drops into square type dead slot in the middle of the die cavity piece by the 3rd hopper, throw in finish after second pneumatic cylinder drive second pushing block second pumping board closed.

Throw in the powder process at first charging basket, first hydraulic cylinder promotes planker and slowly moves, and just in time the bottom of the square type dead slot in the middle of the die cavity piece is paved with one deck powder equably when first charging basket throwing powder finishes.After the input of first charging basket finishes, first hydraulic cylinder continues to promote planker and drives the below that the die cavity piece moves to second charging basket, second charging basket begins to throw powder, repeat above-mentioned throwing powder process, but the corresponding construction of second charging basket is in motion, at this moment, first hydraulic cylinder promotes planker and slowly moves along guide rail, just in time is paved with second layer powder equably in the square type dead slot in the middle of the die cavity piece when second charging basket throwing powder finishes.

Afterwards, first hydraulic cylinder pulling planker drives the die cavity piece and returns first charging basket below, throws powder again, is pushed into second charging basket below again, throws powder again, repeats to throw the powder process, is paved with the powder that presets the number of plies in the square type dead slot of die cavity piece.

After the work of throwing powder was finished, first hydraulic cylinder promoted planker drive die cavity piece and moves under the compacting punch, and second hydraulic cylinder promotes the compacting punch from top to down and is pressed in the middle square type dead slot of die cavity piece, with the metallurgical powder compacting; Then, second hydraulic cylinder drives the compacting punch and raises, and separates soon with die cavity, finishes the powder pressing in the die cavity piece.

Dynamical system of the present utility model is:

After mechanically activated, limit switch moves under first charging basket, second charging basket by first hydraulic cylinder, guide rail and planker control die cavity piece; When limit switch is responded to, first pumping board is extracted out, powder directly contacts with second pumping board, when the pressure on second pumping board reaches certain value, signal feedback on second pumping board is to first pumping board, and first pumping board is just closed, after the complete closure of first pumping board, second pumping board is extracted out, and powder directly falls in the die cavity piece; Under first charging basket, second charging basket, repeat to move, throw powder; After the throwing powder is finished, below 5 seconds, (this time length can artificially be set) die cavity piece was moved to the compacting punch by first hydraulic cylinder (by limit switch induction and control), the compacting punch is past pressing down under the effect of second hydraulic cylinder, after 3 seconds (this time length can artificially be set) compacting punch raise, separate with the die cavity piece.At last, movable push rod the 3rd hydraulic cylinder effect under, eject being compacted into block powder metallurgy blank body carry out sintering in the metallurgy sintered stove so that send into subsequently.

Good effect of the present utility model is:

Adopt the mechanical hand jettison system, in process of production, control powder process and the throwing powder amount of throwing automatically by equipment, cause production process to become simple relatively, and simple to operate, easy to use, be convenient to improve product precision and efficiency, reduce production costs, strengthened the competitiveness of enterprise.

[description of drawings]

Attached 1 is the structural representation of a kind of powder feeding manipulator of the utility model;

Fig. 2 is the structure explosive view of a kind of powder feeding manipulator of the utility model;

Fig. 3 is the structural representation of charging basket.

[specific embodiment]

Provide the specific embodiment of the present utility model below in conjunction with accompanying drawing.

Referring to attached Fig. 1 and 2.A kind of powder feeding manipulator of the utility model is by supporting plate 1, guide rail 2, planker 3, upper slide rest 4, connecting hole 5, hydraulic cylinder fixed head 6, first hydraulic cylinder 7, die cavity piece 8, first charging basket 9, second charging basket 10, first pushing block 11, second pushing block 12, first pneumatic cylinder 13, second pneumatic cylinder 14, second hydraulic cylinder 15, fixed head 16, compacting punch 17, fixed mount 18, first pumping board 19, second pumping board 20, first hopper 21, second hopper 22, weighing batcher 23, the 3rd hopper 24, the first charging basket bracing frame 25, the second charging basket bracing frame 26, upper impression piece 27, movable push rod 28, through hole 29, diagonal angle guide pillar 30 constitutes.

Supporting plate 1 is the rectangle structure, constitute substrate of the present utility model, be fixed with linear guides slide block and hydraulic cylinder fixed head 6 on supporting plate 1 surface, the linear guides slide block by planker 3 and two longitudinally guide rail 2 constitute: there are two slide blocks longitudinally the lower end of planker 3, planker 3 rests on the guide rail 2 by the longitudinal sliding block embedding, and planker 3 can be slided on guide rail 2; Be fixedly connected with the first charging basket bracing frame 25, the second charging basket bracing frame 26 and fixed mount 18 in the side of supporting plate 1; First hydraulic cylinder, 7 usefulness connectors are fixed on the hydraulic cylinder fixed head 6, and the piston rod of first hydraulic cylinder 7 is connected with the rear side of planker 3, drive planker 3 and move around on guide rail 2; Be provided with connecting hole 5 in the centre of planker 3, upper slide rest 4 quadrates also are provided with the connecting hole same with the planker connecting hole in the middle of it, and the connecting hole by planker and upper slide rest is fixed on upper slide rest on the planker with pin; Be provided with a rectangular recess on upper slide rest 5 surfaces, the embedded die cavity piece 8 that is connected to of groove, die cavity piece 8 is square rectangular configuration, form by upper impression piece 27 and movable push rod 28, a square type dead slot is arranged in the middle of the upper impression piece 27, be used for storing powder, four jiaos respectively have a through hole 29 as dowel hole, in the middle of the movable push rod 28 a square type boss is arranged, periphery is provided with diagonal angle guide pillar 30, the external diameter of square type boss is consistent with the internal diameter of upper impression piece 27 internal moment type dead slots, and diagonal angle guide pillar 30 is corresponding with through hole 29, plays the motion guide effect to upper impression piece 27 and movable push rod 28, before upper impression piece 27 and movable push rod 28 are chimeric, diagonal angle guide pillar 30 embeds through hole 29, and the boss of square type push rod embeds square type dead slot, the type square dead slot in the middle of the formation die cavity piece 8; Above die cavity piece 8, hanging has charging basket.

Need if produce, foursquare die cavity piece 8 can be changed into long and wide adjustable rectangle rectangular configuration, constitute by upper impression piece 27 and movable push rod 28.

The first charging basket bracing frame 25, the second charging basket bracing frame, 26 usefulness connectors are fixedly connected on the right flank of supporting plate 1, the first charging basket bracing frame 25 is made of two poles, be arranged on nearly first hydraulic cylinder, 7 ends of supporting plate 1, on the bracing frame with connector fixedly connected first charging basket 9; The second charging basket bracing frame 26 also is made of two poles, is close to the first charging basket bracing frame 25, is fixedly connected with second charging basket 10 with connector on it; First charging basket 9 is identical structure with second charging basket 10, all is made of first hopper 21, second hopper 22, the 3rd hopper 24 and first pushing block 11, second pushing block 12.

Fixed mount 18 is arranged on two flank side surface of supporting plate 1 front end, by each two cross bar of three poles of both sides, centre up and down each two cross bar form; Be connected with fixed head 16 with connector on the cross bar of fixed mount 18, fixed head 16 is made up of two boards up and down, the centre of plate has the hole, upper plate rests on two cross tubes, lower plate rests on two sheer poles, the perforate lock ring is clamped second hydraulic cylinder 15 in the middle of the fixed head 16, and the lower end of fixed head 16 is provided with compacting punch 17, and compacting punch 17 is connected with the piston rod of second hydraulic cylinder, 15 lower ends.

Referring to accompanying drawing 3.First charging basket 9 is identical structure with second charging basket 10, all constitute by first hopper 21, second hopper 22, the 3rd hopper 24 and first pushing block 11, second pushing block 12, first hopper 21 is up big and down small bucket shape structure, is the upper end of charging basket, is connected on the bracing frame by himself support bar; Second hopper 22 is upper and lower side and the consistent square barrel shaped structure of first hopper, 21 lower end diameter, is the stage casing of charging basket, is connected on the bracing frame by himself support bar; The 3rd hopper 24 is up big and down small bucket shape structure, upper end diameter is consistent with the diameter of second hopper 22, and the lower end forms a horizontal slit, and the length in slit is consistent with the internal diameter of the square type dead slot of die cavity piece 8 centres, be the lower end of charging basket, be connected on the bracing frame by himself support bar; Between first hopper 21 and second hopper 22, be provided with first pumping board 19, the rear end embedding of first pumping board 19 is connected in the front end of first pushing block 11, the rear end of first pushing block 11 is connected with the support bar of first pneumatic cylinder, 13, the first pneumatic cylinders 13 by second hopper 22 and is connected on the bracing frame; Between second hopper 22 and the 3rd hopper 24, be provided with second pumping board 20, the rear end embedding of second pumping board 20 is connected in the front end of second pushing block 12, junction at second pumping board 20 and second pushing block 12 is provided with weighing batcher 23, the rear end of second pushing block 12 is connected with the support bar of second pneumatic cylinder, 14, the second pneumatic cylinders 14 by the 3rd hopper 24 and is connected on the bracing frame.

Described fixed mount 18, the first charging basket bracing frame 25, the second charging basket bracing frame 26 adopt grey cast-iron HT-200 to make, and its compression strength and hardness are near carbon steel, and damping property is good.

Supporting plate 1, fixed head 16, first pushing block 11, second pushing block 12 adopt No. 45 steels to make, and the intensity hardness of material improves after modifier treatment, processing technology is superior.

Described guide rail 2, first pumping board 19, second pumping board 20 adopt the spring steel manufacturing, through quenching (earlier 800～850 ℃ of preheatings, be heated to 1220～1250 ℃ of hardening heats then rapidly, back oil cooling), tempering (is generally carried out 2～3 tempering, 560 ℃ of temperatures are incubated 1 hour at every turn) etc. a series of heat treatments, its hardness, wearability, compression strength and bearing capacity are all very high, make it precision height, wear-resisting in moving fast, increase the service life.

Described die cavity piece 8, movable push rod 28, compacting punch 17 adopts the high-speed tool steel manufacturings, because the great efforts during with the metallurgical powder compacting, it is necessary therefore adopting tool steel.

Claims

1. A powder-feeding robot arm, comprising a pallet, a drag board, a guide rail, a material barrel, a hopper, a fixed frame, a push block, a pneumatic cylinder, a hydraulic cylinder, and a weight gauge, and is characterized in that: it consists of a cavity block, a compacting The supporting plate is a rectangular structure, which constitutes the substrate of the utility model. A linear guide rail slider and a hydraulic cylinder fixing plate are arranged on the surface of the supporting plate. The linear guide rail slider is composed of a carriage and two longitudinal guide rails: There are two longitudinal sliders at the lower end of the carriage, and the carriage is embedded on the guide rail through the longitudinal sliders; the first barrel support frame, the second barrel support frame and the fixing frame are connected to the side of the carriage. The hydraulic cylinder is fixed on the hydraulic cylinder fixing plate, and its piston rod is connected with the rear side of the carriage, which drives the carriage to move back and forth on the guide rail; there is a connection hole in the middle of the carriage, and the small carriage is formed into a square. There is the same connection hole as the connecting hole of the carriage, and the small carriage is fixed on the carriage with pins through the connection holes of the carriage and the small carriage; there is a square groove on the surface of the small carriage, and the groove is embedded The cavity block is connected with the cavity block, which is rectangular and is composed of the upper cavity block and the movable ejector pin. There is a rectangular boss in the middle, and there are diagonal guide posts around it. The diameter of the rectangular boss is consistent with the inner diameter of the rectangular cavity of the upper cavity block. When the upper cavity block is fitted with the movable ejector pin, the corner guide posts will Embedding the through hole, the rectangular boss is embedded in the rectangular hollow groove, forming a rectangular hollow groove in the middle of the cavity block;

The first barrel support frame and the second barrel support frame are fixedly connected to the right side of the supporting plate. The first material barrel supporting frame is composed of two poles and is arranged on the right side of the supporting plate near the end of the first hydraulic cylinder. The support frame is fixedly connected with the first material tank; the second material tank support frame is composed of two poles, close to the first material tank support frame, on which the second material tank is fixedly connected; the first material tank and the second material tank The buckets have the same structure, and they are all composed of the first bucket, the second bucket, the third bucket, the first push block, and the second push block. The first bucket is a bucket-shaped structure with a large top and a small bottom, which is the upper end of the bucket , connected to the support frame through its own support rod; the second hopper is a square barrel-shaped structure whose upper and lower ends have the same diameter as the lower end of the first hopper, and is the middle section of the hopper, connected to the support frame through its own support rod; The third hopper is a bucket-shaped structure with a large top and a small bottom. The diameter of the upper end is consistent with the diameter of the second hopper, and a horizontal gap is formed at the lower end. The length of the gap is consistent with the inner diameter of the rectangular cavity of the cavity block, which is the lower end of the bucket , connected to the support frame through its own support rod; a first pumping plate is set between the first hopper and the second hopper, the rear end of the first pumping plate is embedded in the front end of the first push block, the first push The rear end of the block is connected to the first pneumatic cylinder, and the first pneumatic cylinder is connected to the support frame through the support rod of the second hopper; a second pumping plate is arranged between the second hopper and the third hopper, and the rear of the second pumping plate The end is connected to the front end of the second push block, and a weight gauge is provided at the connection between the second pumping plate and the second push block. The rear end of the second push block is connected to the second pneumatic cylinder, and the second pneumatic cylinder passes through the third The support rod of the hopper is connected to the support frame;

The fixing frame is arranged on both sides of the front end of the pallet, and consists of three poles on both sides, two cross bars on each side, and two cross bars on the top and bottom in the middle; It consists of two boards, with a hole in the middle of the board, the upper board rests on the two upper cross bars, the lower board rests on the two lower cross bars, the second hydraulic cylinder is clamped by the clamp in the middle hole, and the lower end of the fixed board is set A compacting punch is arranged, and the compacting punch is connected with the piston rod at the lower end of the second hydraulic cylinder.

2. The powder-feeding robotic arm according to claim 1, characterized in that, the cavity block is a rectangular structure consisting of an upper cavity block and a movable ejector pin.