CN115888492A

CN115888492A - Mixing equipment for powder metallurgy

Info

Publication number: CN115888492A
Application number: CN202211370031.7A
Authority: CN
Inventors: 王杰; 孙进兵; 刘晓春; 方志
Original assignee: Anhui Sentuo New Material Co ltd
Current assignee: Anhui Sentuo New Material Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of powder metallurgy, in particular to mixing equipment for powder metallurgy, which comprises a chassis, wherein a support frame is fixed at the upper end of the chassis, a mixing box is placed at the upper end of the support frame, a motor is fixed at the upper end of the chassis, the side wall of the mixing box is in penetrating and rotating connection with a main shaft, the main shaft is fixed with an output shaft of the motor, the main shaft is connected with a stirring shaft through a traversing mechanism, a plurality of groups of stirring structures are fixed on the side wall of the stirring shaft, and the end part of the mixing box is in penetrating and rotating connection with a reversing shaft. Has the advantages that: stirring shaft is in the gyration, and self transverse position also changes in the circulation to make fixed quantity stirring board can cover the material of full range, realize the effective stirring of full range material and mix, guarantee the compounding quality, stirring board gyration process still accompanies lateral shifting, and the effort is in irregular state, then can improve the disorder degree of inside material, makes holistic material obtain abundant hybrid processing.

Description

Mixing equipment for powder metallurgy

Technical Field

The invention relates to the technical field of powder metallurgy, in particular to mixing equipment for powder metallurgy.

Background

Powder metallurgy is an industrial technology for preparing metal powder or metal powder as a raw material, and preparing metal materials, composite materials and various products through forming and sintering.

Powder metallurgy generally prepares raw materials into powder by an oxide reduction method and a mechanical method, then mixes all required powders according to a certain proportion, homogenizes the powders to prepare blank powder, and then the blank powder is filled into a pressing die and pressed into a parison with a certain shape, size and density;

but the metal powder often appears because the thin caking of metal powder to adhesion compounding equipment inner wall surface in the in-process of compounding, it is inhomogeneous to lead to the compounding, thereby influences the quality of final finished product foundry goods, and later stage clearance gets up the trouble, and intensity of labour is big, and current compounding form is single, and holistic mixing efficiency is also lower.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, the mixing effect is poor and the materials are easy to adhere, and provides mixing equipment for powder metallurgy.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a compounding equipment for powder metallurgy, includes the chassis, the upper end of chassis is fixed with the support frame, the mixing box has been placed to the upper end of support frame, the upper end of chassis is fixed with the motor, the lateral wall of mixing box runs through to rotate and is connected with the main shaft, the main shaft is fixed mutually with the output shaft of motor, the main shaft is connected with the stirring shaft through sideslip mechanism, the lateral wall of stirring shaft is fixed with multiunit stirring structure, the tip of mixing box runs through to rotate and is connected with the reversing shaft, the end connection of reversing shaft has the circulation to connect electric mechanism.

In foretell mixing equipment for powder metallurgy, stirring structure includes the toggle mechanism that a pair of symmetry set up, toggle mechanism is including the stirring board that is fixed in the stirring shaft lateral wall, the lateral wall of stirring board rotates through compact structure and is connected with the stirring board, the gyro wheel is installed to the lateral wall of stirring board.

In foretell mixing equipment for powder metallurgy, compact structure is including seting up the groove of stepping down of stirring the movable plate lateral wall, the inner wall sliding connection who stirs the movable plate has the promotion cover, the promotion cover is fixed with pressure spring with the inner wall that stirs the movable plate jointly, the inner wall that promotes the cover rotates through the torsional spring and is connected with the axle of twisting, it is fixed mutually with the striking plate to twist back the axle to pass the groove of stepping down.

In foretell compounding equipment for powder metallurgy, the sideslip mechanism is including being fixed in the shielded box of mixing box inner wall, the inner wall of shielded box is fixed with the screw thread frame, the lateral wall through thread connection of screw thread frame has reciprocal lead screw, the tip and the stirring axle of reciprocal lead screw are fixed, the sealed through connection of lateral wall of stirring axle and shielded box.

In foretell compounding equipment for powder metallurgy, the end fixing of reciprocal lead screw has the sliding shaft, the sliding shaft runs through the shielded box and is fixed with the slider, the spout has been seted up to the tip of main shaft, slider and spout inner wall sliding connection, the slider is the rectangular block, the spout is the rectangular channel, the slider is fixed with stabilizing spring with the inner wall of spout jointly.

In foretell compounding equipment for powder metallurgy, the lateral wall of chassis rotates and is connected with from the driving wheel, the end fixing from the driving wheel has the pinion, the outer wall of mixing box is fixed with peripheral gear, peripheral gear meshes with the pinion mutually, the main shaft overlaps with from the driving wheel and is equipped with the belt jointly.

In foretell powder metallurgy is with compounding equipment, the circulation connects electric mechanism including being fixed in the regulation and control box of support frame upper end, the inner wall of regulation and control box is fixed with a butt joint coil, the end fixing of reversing shaft has the electro-magnet, the lateral wall of electro-magnet is fixed with a pair of electrified strip, the matching groove has been seted up to the tip of reversing shaft, the end fixing of stirring shaft has the actuating lever, actuating lever and matching inslot wall sliding connection, the actuating lever is the rectangular pole, the matching groove is the rectangular channel.

In foretell powder metallurgy is with compounding equipment, the inner wall of regulation and control case is fixed with the power and opens and close the case, the inner wall of opening and close the case is fixed with two butt joint electrical heads, the inner wall of opening and close the case is connected with the permanent magnet through reset spring, the lateral wall of permanent magnet is fixed with the conduction board, the permanent magnet is corresponding with the position of electro-magnet.

Compared with the prior art, the invention has the advantages that:

1. the transverse position of the stirring shaft is changed circularly while the stirring shaft rotates, so that the stirring plates with fixed quantity can cover the materials in the whole range, the materials in the whole range are effectively stirred and mixed, and the mixing quality is ensured;

2. the mixing box is continuously rotated and transposed, so that materials in the mixing box are prevented from being always contacted with local positions, extrusion and bonding are avoided, the mixing effect is improved, the actual rotating speed of the mixing box is slow, the equipment is prevented from being swung, the equipment is in a relatively stable state, and the continuous working time of the equipment is prolonged;

3. the stirring plate can scrape the inner wall of the upper area of the mixing box, so that materials attached to the inner wall of the mixing box are separated, the materials are comprehensively and effectively mixed, the mixing effect of the materials is greatly improved, and the subsequent treatment of the attached materials is reduced;

4. the rotation process of the toggle plate is also accompanied with transverse movement, the action direction is also changed spirally, so that the acting force is also in an irregular state, the disorder degree of the internal material can be improved, and the whole material is fully mixed;

5. under compression spring's effect for the gyro wheel of front end installation and the effectual counterbalance of dialling the movable plate inner wall, thereby promote the effect of scraping clearance by a wide margin under the effect of power, and the gyro wheel friction when can reducing horizontal transfer, the damage of the reciprocal sideslip of reduction equipment, improve equipment life.

Drawings

FIG. 1 is a schematic structural diagram of a mixing device for powder metallurgy according to the present invention;

FIG. 2 is a half sectional view of a mixing apparatus for powder metallurgy according to the present invention;

FIG. 3 is a schematic structural view of a striking plate portion of a mixing apparatus for powder metallurgy according to the present invention;

FIG. 4 is a schematic structural view of a stirring plate portion of a mixing apparatus for powder metallurgy according to the present invention;

FIG. 5 is a schematic structural diagram of a regulating and controlling box part of a mixing device for powder metallurgy according to the present invention;

FIG. 6 is a side view of an electric coil connecting part of a mixing apparatus for powder metallurgy according to the present invention.

In the figure: 1 chassis, 2 support frames, 3 motors, 4 main shafts, 5 mixing boxes, 6 stirring shafts, 7 reversing shafts, 8 stirring plates, 9 torsion shafts, 10 stirring plates, 11 rollers, 12 pushing sleeves, 13 pressing springs, 14 abdicating grooves, 15 reversing springs, 16 peripheral gears, 17 driven wheels, 18 pinions, 19 belts, 20 sliding grooves, 21 stabilizing springs, 22 sliding blocks, 23 sliding shafts, 24 thread frames, 25 reciprocating screw rods, 26 isolating boxes, 27 driving rods, 28 matching grooves, 29 regulating boxes, 30 power connection rings, 31 electromagnets, 32 power connection strips, 33 power supplies, 34 opening and closing boxes, 35 reset springs, 36 permanent magnets, 37 conduction plates and 38 power connection heads.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-6, a powder metallurgy uses compounding equipment, including chassis 1, the upper end of chassis 1 is fixed with support frame 2, mixing box 5 has been placed to the upper end of support frame 2, the upper end of chassis 1 is fixed with motor 3, the lateral wall of mixing box 5 runs through to rotate and is connected with main shaft 4, main shaft 4 is fixed mutually with the output shaft of motor 3, main shaft 4 is connected with stirring shaft 6 through sideslip mechanism, the lateral wall of stirring shaft 6 is fixed with multiunit stirring structure, the tip of mixing box 5 runs through to rotate and is connected with reversing shaft 7, the end connection of reversing shaft 7 has the circulation to connect the electrical mechanism.

Stirring structure includes the toggle mechanism that a pair of symmetry set up, and toggle mechanism is including being fixed in stirring board 8 of 6 lateral walls of stirring axle, and stirring board 8's lateral wall rotates through compact structure and is connected with stirring board 10, and gyro wheel 11 is installed to stirring board 10's lateral wall, thereby gyro wheel 11 can roll and reduce the sideslip friction, and then reduce drive arrangement's loss.

Hold-down structure is including seting up the groove 14 of stepping down of stirring board 8 lateral wall, the inner wall sliding connection of stirring board 8 has the promotion cover 12, it is fixed with pressure spring 13 jointly to promote cover 12 and the inner wall of stirring board 8, the inner wall that promotes cover 12 is rotated through the torsional spring and is connected with torsion shaft 9, torsion shaft 9 passes the groove 14 of stepping down and is fixed mutually with the board 10 of dialling, utilize pressure spring 13's elasticity, realize inseparable counterbalance of

gyro wheel

11 and 5 inner walls of mixing box, thereby effective effort is applyed, make 5 inner walls of mixing box obtain effectual scraping clearance.

The transverse moving mechanism comprises an isolation box 26 fixed on the inner wall of the mixing box 5, a thread rack 24 is fixed on the inner wall of the isolation box 26, a reciprocating screw rod 25 is connected to the side wall of the thread rack 24 in a penetrating and threaded mode, the end portion of the reciprocating screw rod 25 is fixed with the stirring shaft 6, and the stirring shaft 6 is connected with the side wall of the isolation box 26 in a sealing and penetrating mode.

The end of the reciprocating screw rod 25 is fixed with a sliding shaft 23, the sliding shaft 23 penetrates through the isolation box 26 and is fixed with a sliding block 22, the end of the main shaft 4 is provided with a sliding groove 20, the sliding block 22 is in sliding connection with the inner wall of the sliding groove 20, the sliding block 22 is a rectangular block, the sliding groove 20 is a rectangular groove, the sliding block 22 and the inner wall of the sliding groove 20 are jointly fixed with a stabilizing spring 21, and due to the self-thread characteristic of the reciprocating screw rod 25, the reciprocating screw rod can move back and forth along with the rotation of the reciprocating screw rod in a state that the thread rack 24 is fixed.

The side wall of the chassis 1 is rotatably connected with a driven wheel 17, a pinion 18 is fixed at the end part of the driven wheel 17, a peripheral gear 16 is fixed on the outer wall of the mixing box 5, the peripheral gear 16 is meshed with the pinion 18, the main shaft 4 and the driven wheel 17 are jointly sleeved with a belt 19, and the pinion 18 is in speed reduction transmission to the peripheral gear 16, so that the rotation speed of the mixing box 5 is slow, and the equipment runs relatively stably.

The circulating power connection mechanism comprises a control box 29 fixed at the upper end of the support frame 2, a pair of power connection coils 30 are fixed on the inner wall of the control box 29, an electromagnet 31 is fixed at the end part of the reversing shaft 7, a pair of power connection bars 32 are fixed on the side wall of the electromagnet 31, the power connection bars 32 are connected into two electrified stages of the electromagnet 31, and the power connection coils 30 correspond to the positive electrode and the negative electrode of a power supply, so that the power connection bars 32 and the power connection coils 30 are alternately connected, the power connection positive electrode and the power connection negative electrode of the electromagnet 31 are continuously changed, a magnetic field generated by the electromagnet 31 is alternately changed, a matching groove 28 is formed in the end part of the reversing shaft 7, a driving rod 27 is fixed at the end part of the stirring shaft 6, the driving rod 27 is in sliding connection with the inner wall of the matching groove 28, the driving rod 27 is a rectangular rod, the matching groove 28 can drive the reversing shaft 7 to rotate, and the driving rod 27 can slide and match with the transverse movement.

The inner wall of the regulating and controlling box 29 is fixed with a power supply 33 and an opening and closing box 34, the inner wall of the opening and closing box 34 is fixed with two pairs of electric contacts 38, the inner wall of the opening and closing box 34 is connected with a permanent magnet 36 through a reset spring 35, the side wall of the permanent magnet 36 is fixed with a conduction plate 37, the permanent magnet 36 corresponds to the electromagnet 31 in position, the reciprocating motion of the permanent magnet 36 is realized by using the change of the magnetic field direction of the electromagnet 31, and then two groups of electric contacts 38 are alternately switched on.

In the invention, when mixing materials, firstly, the materials to be treated are put into a mixing box 5, then a motor 3 is started to drive a main shaft 4 to rotate, and further drive a stirring shaft 6 to rotate, so that the stirring shaft 6 drives a stirring plate 8 on the stirring shaft to rotate, thereby realizing the effective mixing treatment of the materials in the mixing box 5;

in the rotation process of the main shaft 4, the sliding block 22 is driven to rotate, so that the sliding shaft 23 rotates, the sliding shaft 23 drives the reciprocating screw rod 25 to rotate, and the position of the thread rack 24 is fixed, so that the rotation process of the reciprocating screw rod 25 is accompanied by reciprocating transverse movement back and forth, the transverse position of the stirring shaft 6 is circularly changed while the stirring shaft rotates, the stirring plates 8 with fixed quantity can cover the materials in the whole range, the effective stirring and mixing of the materials in the whole range are realized, and the material mixing quality is ensured;

the rotation of the main shaft 4 drives the driven wheel 17 to rotate through the belt 19, so that the pinion 18 rotates, the pinion 18 drives the peripheral gear 16 meshed with the pinion 18 to rotate, the mixing box 5 is continuously rotated and transposed, the materials in the mixing box 5 are prevented from being contacted with local positions all the time, extrusion bonding is avoided, the mixing effect is improved, and the actual rotation speed of the mixing box 5 is slow due to the fact that the pinion 18 and the peripheral gear 16 are in speed reduction transmission, so that the oscillation of the equipment is avoided, the equipment is in a relatively stable state, and the continuous working time of the equipment is prolonged;

in the rotation process of the stirring shaft 6, the driving rod 27 drives the reversing shaft 7 to rotate, so that the reversing shaft 7 drives the electromagnet 31 to rotate, the two power receiving strips 32 are continuously rotated and reversed, the two power receiving strips 32 are alternately conducted with the two power receiving coils 30, the electromagnet 31 is continuously and alternately electrified in the rotation process, so that the electromagnet 31 can alternately generate opposite magnetic fields, the permanent magnet 36 can be alternately attracted and repelled, the permanent magnet 36 can drive the conduction plate 37 to move transversely in a reciprocating mode in unit time, and the two groups of power receiving heads 38 are alternately conducted;

the two groups of electric connectors 38 respectively correspond to the two reversing springs 15, so that the two reversing springs 15 are alternately electrified, when the reversing springs 15 are electrified, the reversing springs 15 are acted by ampere force, the reversing springs 15 can contract automatically, one corner of the stirring plate 10 is pulled to deflect and move towards the stirring plate 8, the stirring plate 10 is integrally rotated by ninety degrees, the stirring plate 10 which is originally transversely placed for expanding the stirring range is changed into a state of being stirred in a small range and being contacted with the inner wall of the mixing box 5, and the stirring plate 10 is contacted with the inner wall of the mixing box 5, so that the stirring plate 10 can scrape the inner wall of the upper area of the mixing box 5, materials attached to the inner wall of the mixing box 5 are separated, the materials are comprehensively and effectively mixed, the mixing effect of the materials is greatly improved, and the subsequent treatment on the attached materials is reduced;

because the rotation of the power receiving strip 32 is consistent with the stirring shaft 6, only two groups of power receiving heads 38 are required to be accurately corresponding to two groups of stirring plates 10, when the stirring plates 10 reach the upper parts, the corresponding power receiving heads 38 are connected by the conduction plates 37, and the stirring plates 10 positioned at the upper parts can be guaranteed to be always abutted against the inner walls of the mixing box 5, so that parts, which are not contacted with materials, at the upper parts of the mixing box 5 are continuously cleaned, parts, which are contacted with the materials, at the lower parts of the mixing box 10, the transverse contact range is expanded, the stirring effect is improved, and the mixing box 5 is continuously rotated, so that the mixing box 5 can be comprehensively and continuously cleaned, and the materials are prevented from being attached;

after the rotating speed is increased, the transverse toggle plate 10 can drive materials to be thrown in the rotating process, so that the materials at the lower part are thrown to the upper area and fall back, the material mixing effect is better, the bottommost materials cannot be directly contacted and mixed, the materials are also subjected to transposition treatment under the action force extrusion of the toggle plate 10, a small amount of bottommost materials can be subjected to mixing treatment by matching with the rotation of the mixing box 5, the toggle plate 10 also moves along with the transverse direction, the action direction also changes spirally, the action force is also in an irregular state, the disorder degree of the internal materials can be improved, and the whole materials are subjected to sufficient mixing treatment;

simultaneously, the stirring plate 10 will be when the gyration is reset, under the effect of pressure spring 13 for the gyro wheel 11 of front end installation and the effectual counterbalance of stirring plate 10 inner wall, thereby promote the effect of scraping clearance by a wide margin under the effect of power, friction when same gyro wheel 11's existence can also reduce horizontal transfer reduces the damage of the reciprocal sideslip of equipment, improve equipment life.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. The utility model provides a compounding equipment for powder metallurgy, includes chassis (1), its characterized in that, the upper end of chassis (1) is fixed with support frame (2), mixing box (5) have been placed to the upper end of support frame (2), the upper end of chassis (1) is fixed with motor (3), the lateral wall through rotation of mixing box (5) is connected with main shaft (4), main shaft (4) are fixed mutually with the output shaft of motor (3), main shaft (4) are connected with stirring shaft (6) through sideslip mechanism, the lateral wall of stirring shaft (6) is fixed with multiunit stirring structure, the tip through rotation of mixing box (5) is connected with reversing shaft (7), the end connection of reversing shaft (7) has the circulation to connect electric mechanism.

2. A mixing apparatus for powder metallurgy according to claim 1, wherein the stirring structure comprises a pair of symmetrically arranged stirring mechanisms, each stirring mechanism comprises a stirring plate (8) fixed on the side wall of the stirring shaft (6), the side wall of each stirring plate (8) is rotatably connected with a stirring plate (10) through a pressing structure, and the side wall of each stirring plate (10) is provided with a roller (11).

3. A powder metallurgy is with compounding equipment, according to claim 2, characterized in that, the compact structure includes set aside the groove (14) of seting up in stirring board (8) lateral wall, the inner wall sliding connection that stirs board (8) has the push sleeve (12), push sleeve (12) and the inner wall of stirring board (8) are fixed with pressure spring (13) jointly, the inner wall that pushes sleeve (12) is connected with torsion shaft (9) through the torsional spring rotation, torsion shaft (9) pass set aside groove (14) and are fixed mutually with setting aside board (10).

4. The mixing equipment for powder metallurgy according to claim 1, wherein the traversing mechanism comprises an isolation box (26) fixed on the inner wall of the mixing box (5), a thread rack (24) is fixed on the inner wall of the isolation box (26), a reciprocating screw rod (25) is in through threaded connection with the side wall of the thread rack (24), the end part of the reciprocating screw rod (25) is fixed with the stirring shaft (6), and the stirring shaft (6) is in sealed through connection with the side wall of the isolation box (26).

5. The mixing device for powder metallurgy according to claim 4, wherein a sliding shaft (23) is fixed at the end of the reciprocating screw rod (25), the sliding shaft (23) penetrates through the isolation box (26) and is fixed with a sliding block (22), a sliding groove (20) is formed in the end of the main shaft (4), the sliding block (22) is in sliding connection with the inner wall of the sliding groove (20), the sliding block (22) is a rectangular block, the sliding groove (20) is a rectangular groove, and a stabilizing spring (21) is fixed on the sliding block (22) and the inner wall of the sliding groove (20) together.

6. A mixing apparatus for powder metallurgy according to claim 1, wherein the side wall of the chassis (1) is rotatably connected with a driven wheel (17), a pinion (18) is fixed at the end of the driven wheel (17), a peripheral gear (16) is fixed on the outer wall of the mixing box (5), the peripheral gear (16) is meshed with the pinion (18), and the main shaft (4) and the driven wheel (17) are sleeved with a belt (19).

7. The mixing device for powder metallurgy according to claim 1, wherein the circulating power connection mechanism comprises a control box (29) fixed to the upper end of the support frame (2), a pair of power connection rings (30) are fixed to the inner wall of the control box (29), an electromagnet (31) is fixed to the end of the reversing shaft (7), a pair of power connection bars (32) are fixed to the side wall of the electromagnet (31), a matching groove (28) is formed in the end of the reversing shaft (7), a driving rod (27) is fixed to the end of the stirring shaft (6), the driving rod (27) is connected with the inner wall of the matching groove (28) in a sliding mode, the driving rod (27) is a rectangular rod, and the matching groove (28) is a rectangular groove.

8. The mixing device for powder metallurgy according to claim 7, wherein a power source (33) and an opening and closing box (34) are fixed to the inner wall of the adjusting and controlling box (29), two opposite connecting joints (38) are fixed to the inner wall of the opening and closing box (34), a permanent magnet (36) is connected to the inner wall of the opening and closing box (34) through a return spring (35), a conducting plate (37) is fixed to the side wall of the permanent magnet (36), and the permanent magnet (36) corresponds to the electromagnet (31).