CN213559871U

CN213559871U - Powder compression molding device for gear machining

Info

Publication number: CN213559871U
Application number: CN202022338923.1U
Authority: CN
Inventors: 董祥根
Original assignee: Yangzhou Fuheng Machinery Co ltd
Current assignee: Yangzhou Fuheng Machinery Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-29
Anticipated expiration: 2030-10-20

Abstract

The utility model belongs to the technical field of powder metallurgy, and discloses a powder compression molding device for gear processing, which comprises a workbench, a chute and a conveying belt, wherein the edge of the top part of the workbench is horizontally provided with a first hydraulic rod, the end part of the first hydraulic rod is fixedly provided with an arc-shaped push plate, a second hydraulic rod is vertically arranged above the workbench, the bottom part of the second hydraulic rod is fixedly provided with a compression mold, the conveying belt is arranged at one side of the workbench, one end of the chute is arranged at the top of the workbench and is just opposite to the first hydraulic rod, and the other end is arranged at the top of the conveying belt, the utility model is provided with a third hydraulic rod, a pushing piece, a first hydraulic rod and an arc-shaped push plate, which can push out a compression mold groove from a compression molded gear, accurately push the gear to the chute under the action of the arc-shaped push plate, and then slide down to the conveying belt for transmission, thus, save the labour, also avoid the danger of artifical piece of getting simultaneously.

Description

Powder compression molding device for gear machining

Technical Field

The utility model belongs to the technical field of powder metallurgy, concretely relates to powder press forming device for gear machining.

Background

The powder metallurgy perfectly combines the material science with the metal forming technology, and becomes a novel processing technology with wide range of high efficiency, material saving and energy saving, and the powder metallurgy technology can produce various materials and products which can not be prepared by other technologies such as a fusion casting method and the like. Heretofore, a process of manufacturing a helical gear as a sintered product by pressing a powder material has been well known, and in the manufacturing process of the gear, powder metallurgy molding by die pressing is mostly employed. Powder metallurgy gears are in the position of rapid development throughout powder metallurgy parts.

Gear workpiece after present powder press forming device press forming for gear machining needs the manual work to take out, degree of automation is not high, greatly reduced work efficiency, device in the simultaneous working can bring hidden danger to staff's personal safety, causes the emergence of accident, and carries metal powder on the gear when present powder press forming device for gear machining ejection of compact, causes metal powder's waste, also leads to the gear to collect operational environment untidy simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder press forming device for gear machining to solve the problem that current powder press forming device for gear machining can not automatic discharging and the metal powder that untreated discharge gear carried.

In order to achieve the above object, the utility model provides a following technical scheme: a powder pressing forming device for gear machining comprises a workbench, a chute and a conveying belt, wherein a first hydraulic rod is horizontally arranged at the edge of the top of the workbench, an arc-shaped push plate is fixed at the end of the first hydraulic rod, a second hydraulic rod is vertically arranged above the workbench, a pressing mold is fixed at the bottom of the second hydraulic rod, the conveying belt is arranged on one side of the workbench, one end of the chute is arranged at the top of the workbench and is opposite to the first hydraulic rod, the other end of the chute is arranged at the top of the conveying belt, a pressing groove is formed in the top of the workbench and is located under the pressing mold, a plurality of springs are arranged at the bottom of the pressing groove in an array mode, a shaft hole mold is welded at the center of the bottom of the pressing groove, a slidable pressing mold bottom plate is sleeved outside the shaft hole mold, and the inner diameter and the outer diameter of the pressing mold bottom plate are respectively in sealing contact with the outer wall of the shaft hole mold and the, and a third hydraulic rod is arranged below the die pressing groove, a pushing piece is fixed at the top of the third hydraulic rod, an annular through groove is formed below the die pressing groove, and the pushing piece penetrates through the annular through groove and is welded and fixed with the bottom of the die pressing bottom plate.

Preferably, the die base plate comprises an annular plate, a first piston ring and a second piston ring, and the first piston ring and the second piston ring are respectively fixed on the outer side and the inner side of the annular plate.

Preferably, a plurality of through holes are formed in the surface of the chute at equal intervals, the collecting box is arranged below the chute, the top of the collecting box and the bottom of the chute are closed to form a collecting cavity, the fan is arranged at the bottom of the collecting cavity, the air outlet of the fan is arranged outside the collecting box, the filter plate is fixed on the inner wall of the collecting box, and the filter plate is located above the fan.

Preferably, the filter plate comprises a filter cloth and a metal ring, and the filter cloth is arranged on the inner side of the metal ring.

Preferably, four supporting columns are symmetrically arranged at the top of the workbench, are close to four corners of the workbench respectively, are fixed with top plates at the tops of the supporting columns, and are fixed at the bottoms of the top plates.

Preferably, the outer surface of the pushing member is cylindrical, and the top of the pushing member is provided with a cylindrical groove.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up hydraulic stem three, impeller, hydraulic stem one and arc push pedal, can release the die cavity with press forming's gear to on being promoted to the chute by the accuracy under the effect of arc push pedal, the landing transmits to the conveyer belt again, and the labour is saved to hoisting device's degree of automation, also avoids the artifical danger of getting the piece simultaneously.

(2) The utility model discloses set up collecting box, fan and filter plate, made the metal powder that the gear carried fall into the collecting box through the through-hole on the chute and collected recycle, the fan makes metal powder's rate of recovery improve, and the filter plate prevents effectively that the powder from getting into the fan and causes the jam to it simultaneously, collects the powder above that, has also guaranteed the clean and tidy of transportation environment in the time of resources are saved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is a schematic structural view of the bottom plate of the pressing mold of the present invention;

fig. 5 is a schematic structural view of the chute of the present invention;

fig. 6 is a schematic structural view of the filter plate of the present invention;

FIG. 7 is a schematic view of the structure of the pusher of the present invention;

in the figure: the device comprises a workbench-1, a hydraulic rod I-2, a support column-3, a top plate-4, a hydraulic rod II-5, a pressing mold-6, a collection box-7, a chute-8, a conveying belt-9, a collection cavity-10, a through hole-11, a fan-12, a filter plate-13, a hydraulic rod III-14, filter cloth-15, an arc-shaped push plate-16, a pressing mold groove-17, a pressing mold bottom plate-18, a spring-19, a pushing piece-20, a shaft hole mold-21, a ring plate-22, a piston ring I-23, a piston ring II-24, a metal ring-25 and a cylindrical groove-26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: a powder pressing forming device for gear machining comprises a workbench 1, a chute 8 and a conveying belt 9, wherein a first hydraulic rod 2 is horizontally arranged at the edge of the top of the workbench 1, an arc-shaped push plate 16 is fixed at the end part of the first hydraulic rod 2, the arc-shaped push plate 16 can guarantee that a gear workpiece can be accurately pushed onto the chute 8, a second hydraulic rod 5 is vertically arranged above the workbench 1, a pressing mold 6 is fixed at the bottom of the second hydraulic rod 5, the conveying belt 9 is arranged on one side of the workbench 1, one end of the chute 8 is erected at the top of the workbench 1 and is opposite to the first hydraulic rod 2, the other end of the chute is erected at the top of the conveying belt 9, a pressing mold groove 17 is formed in the top of the workbench 1, the pressing mold 17 is located under the pressing mold 6, the pressing mold 6 can be matched with the pressing mold 17 to press a gear, metal powder is pressed into a gear shape, a plurality of springs 19 are arranged at the bottom array of the pressing mold groove 17, spring 19 plays the cushioning effect, prevent that the too big damage that causes of impact force that moulding-die bottom plate 18 received, and the welding of bottom center department of moulding-die groove 17 has shaft hole mould 21, shaft hole mould 21 and the cooperation of pressing mould 6 process out the shaft hole of gear, the outside cover of shaft hole mould 21 is equipped with slidable moulding-die bottom plate 18, and the internal diameter and the external diameter of moulding-die bottom plate 18 respectively with the outer wall of shaft hole mould 21 and the inner wall sealing contact of moulding-die groove 17, the below of moulding-die groove 17 is provided with hydraulic stem three 14, and the top of hydraulic stem three 14 is fixed with impeller 20, annular logical groove has been seted up to the below of moulding-die groove 17, and impeller 20 passes annular logical groove and with the bottom welded fastening of moulding-die bottom plate 18, impeller 20 can drive moulding-die bottom plate 18 and reciprocate, realize the ejection of.

Further, the die base plate 18 comprises an annular plate 22, a first piston ring 23 and a second piston ring 24, the first piston ring 23 and the second piston ring 24 are fixed on the outer side and the inner side of the annular plate 22 respectively, and the first piston ring 23 and the second piston ring 24 ensure the sealing performance of the die base plate 18 and prevent metal powder from entering the third internal hydraulic rod 14 of the workbench 1 during sliding.

Furthermore, a plurality of through holes 11 have been seted up to the surperficial equidistance of chute 8 for most metal powder carried falls into and collects the chamber 10, chute 8's below is provided with collecting box 7, and collecting box 7's top and chute 8's bottom closure form and collect chamber 10, the bottom of collecting chamber 10 is provided with fan 12, and the air outlet of fan 12 sets up in the outside of collecting box 7, fan 12 improves the recycle ratio of powder, furthest practices thrift the resource, its model adopts GDF1.4-4, rated voltage 220V, rated power 0.01KW, rotational speed 1220r/min, be fixed with filter plate 13 on collecting box 7's the inner wall, and filter plate 13 is located fan 12's top, prevent that the powder from blockking up fan 12.

Specifically, the filter plate 13 comprises a filter cloth 15 and a metal ring 25, wherein the filter cloth 15 is arranged on the inner side of the metal ring 25, and meanwhile, residual powder is collected, so that the resource waste in the powder metallurgy process is reduced.

It is worth to say that four pillars 3 are symmetrically arranged at the top of the workbench 1, the four pillars 3 are respectively close to four corners of the workbench 1, a top plate 4 is fixed at the top of each of the four pillars 3, and the top of the second hydraulic rod 5 is fixed at the bottom of the top plate 4.

Furthermore, the outer surface of the pushing member 20 is cylindrical, and the top of the pushing member is provided with a cylindrical groove 26, so that the section of the upper part of the pushing member 20 is circular, and the stability of driving the die base plate 18 to move is enhanced.

The utility model discloses a theory of operation and use flow: when the utility model is used, a worker firstly fully spreads metal powder for pressing the gear on the surface of the workbench 1, so that the die cavity 17 is fully filled with the metal powder, the hydraulic rod II 5 is started to push the pressing die 6 to move downwards and be matched with the die cavity 17, so as to press the gear, the spring 19 plays a role in buffering in the pressing process, so that the impact force received by the die bottom plate 18 is smaller, the hydraulic rod II 5 drives the pressing die 6 to move upwards again, the demolding is completed, and the automation degree of the powder metallurgy process is improved;

starting a third hydraulic rod 14 to drive a pushing piece 20 to move upwards so as to push a die bottom plate 18 to move upwards, pushing the gear workpiece to the surface of the workbench 1, starting a first hydraulic rod 2 to push an arc-shaped pushing plate 16 to push the workpiece to one end of a chute 8, starting a fan 12, wherein in the sliding process of the workpiece on the chute 8, the carried metal powder falls into a collecting cavity 10 from a through hole 11 and is collected above the collecting cavity by a filter plate 13, the recovery rate of the powder is improved by the fan 12, almost all the carried powder is guaranteed to be recovered, the waste of resources in the powder metallurgy process is effectively reduced, and the gear finally slides to the upper part of a conveying belt 9 for transmission;

after the arc push plate 16 pushes the gear, the third hydraulic rod 14 immediately drives the pushing piece 20 to move downwards, so that the die bottom plate 18 returns to the bottom of the die pressing groove 17, and the arc push plate 16 pushes the metal powder on the surface of the workbench 1 into the die pressing groove 17 in the retracting process and presses the next gear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder compression moulding device for gear machining, includes workstation (1), chute (8) and conveyer belt (9), its characterized in that: the hydraulic mould pressing device is characterized in that a first hydraulic rod (2) is horizontally arranged at the edge of the top of the workbench (1), an arc-shaped push plate (16) is fixed at the end of the first hydraulic rod (2), a second hydraulic rod (5) is vertically arranged above the workbench (1), a pressing mould (6) is fixed at the bottom of the second hydraulic rod (5), a conveying belt (9) is arranged on one side of the workbench (1), one end of a chute (8) is erected at the top of the workbench (1) and is just opposite to the first hydraulic rod (2), the other end of the chute is erected at the top of the conveying belt (9), a pressing mould groove (17) is formed in the top of the workbench (1), the pressing mould groove (17) is located under the pressing mould (6), a plurality of springs (19) are arranged in the bottom array of the pressing mould groove (17), a shaft hole mould (21) is welded at the center of the bottom of the pressing mould groove (17), and a slidable pressing mould base plate (18) is sleeved outside the shaft hole mould (, the inner diameter and the outer diameter of the die bottom plate (18) are respectively in sealing contact with the outer wall of the shaft hole die (21) and the inner wall of the die pressing groove (17), a hydraulic rod III (14) is arranged below the die pressing groove (17), a pushing piece (20) is fixed to the top of the hydraulic rod III (14), an annular through groove is formed below the die pressing groove (17), and the pushing piece (20) penetrates through the annular through groove and is welded and fixed with the bottom of the die bottom plate (18).

2. The powder press-molding apparatus for gear processing according to claim 1, wherein: the die base plate (18) comprises an annular plate (22), a first piston ring (23) and a second piston ring (24), and the first piston ring (23) and the second piston ring (24) are fixed on the outer side and the inner side of the annular plate (22) respectively.

3. The powder press-molding apparatus for gear processing according to claim 1, wherein: a plurality of through holes (11) have been seted up to the surface equidistance of chute (8), the below of chute (8) is provided with collecting box (7), and the top of collecting box (7) and the closed collection chamber (10) that forms in bottom of chute (8), the bottom of collecting chamber (10) is provided with fan (12), and the air outlet of fan (12) sets up in the outside of collecting box (7), be fixed with filter plate (13) on the inner wall of collecting box (7), and filter plate (13) are located the top of fan (12).

4. The powder press-molding apparatus for gear processing according to claim 3, wherein: the filter plate (13) comprises filter cloth (15) and a metal ring (25), and the filter cloth (15) is arranged on the inner side of the metal ring (25).

5. The powder press-molding apparatus for gear processing according to claim 1, wherein: workstation (1) top symmetry is provided with four pillar (3), and four corner that four pillar (3) are close to workstation (1) respectively, four the top of pillar (3) is fixed with roof (4), the bottom in roof (4) is fixed in at the top of hydraulic stem two (5).

6. The powder press-molding apparatus for gear processing according to claim 1, wherein: the outer surface of the pushing piece (20) is cylindrical, and the top of the pushing piece is provided with a cylindrical groove (26).