CN201061918Y

CN201061918Y - Full-automatic powder molding machine

Info

Publication number: CN201061918Y
Application number: CNU2007201114541U
Authority: CN
Inventors: 李云清
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-30
Filing date: 2007-06-30
Publication date: 2008-05-21
Anticipated expiration: 2017-06-30

Abstract

The utility model relates to an automatic powder molding machine which is suitable for pressuring and molding mixed powder raw material, which comprises a bay , a mold component which is mounted on the bay, a punching mechanism, and a feed removing structure, wherein the mold component mainly comprises a mold base, an upper mold body, a lower mold body, and an outer mold body, the punching mechanism is mounted on the bay, and is arranged on a big hydraulic cylinder which is arranged on the positive upper portion of the mold component, and the upper mold body is fixedly connected on the lower end of a piston rod of the big hydraulic cylinder, and which can be shuttled up and down with the piston rod. The utility model adopts a fluid drive structure to squeeze powder stock, which leads the structure of the equipment to have the advantages of more reasonable and simpler structure, more convenient installation and operation, more stable working property. The utility model reduces the blanking press to abrade the equipment, which improves life span, and the utility model can automatically feed to continuously work, which improves working efficiency and product quality.

Description

The fully automatic powder make-up machine

Technical field

The utility model relates to a kind of powder former, is meant a kind of fully automatic powder make-up machine that is fit to mixed-powder raw material pressing shaping especially.

Background technology

Traditional powder former is usually in order to being shaped the pressing of mixed-powder raw material, is pressed into the product of sealing ring and so on as polytetrafluoroethylene (PTFE), is a program during powder metallurgy is made continuously.Its manufacturing process is simple, manufacturing cost is lower, therefore is extensive use of in mechanical processing process.

Usually, on the frame in the powder former die assembly is installed, the mixed-powder raw material is fed through in the die assembly, press down can be with required workpiece compression moulding for the upper die body that drives die assembly by punching mechanism again.As the patent No. be: 01231180.4, publication number is: CNCN2495395, in disclosed a kind of powder die casting machine on June 19th, 2006, it includes a bent axle that is connected with power section, the bottom of bent axle is provided with ram, the bottom of last ram is provided with the upper die body that is used for the punching press powder, is provided with outer die body corresponding to the bottom of upper die body, the powder pressing and forming outside can will placing in the die body outside upper die body presses in the die body.Simultaneously the side at bent axle also is provided with one second cam, when need the workpiece that pressing is good withdrawing from, presses down and can realize moving back mould by the tringle that moves back that is connected with second cam.

As can be seen, the punching mechanism of this powder die casting machine is to drive upper die body by power section and bent axle to carry out stamping press, complex structure, and fluctuation of service, the surface of the work out-of-flatness of going out, and also equipment attrition is fast, and service life is short.In addition, when stamped workpieces, every punching press once all will outwards add a certain amount of powder in the die body by hand, and the adding amount of powder is wayward, so the workpiece quality of finishing is difficult to assurance, and inefficiency, automaticity is not high.Simultaneously, the hull and pulp removing machine structure of this equipment is too complicated, and the equipment use cost is higher, safeguards also difficulty.

Summary of the invention

The utility model provides a kind of simple and reasonable for structure in order to solve the weak point that above-mentioned prior art exists, installation, easy and simple to handle, stable work in work, the fully automatic powder make-up machine of high efficiency.

For achieving the above object, the utility model adopts following scheme: a kind of fully automatic powder make-up machine, include frame, rack-mounted die assembly, punching mechanism and material-removing structure, wherein die assembly mainly is made of mould seat, upper die body, lower mold body and outer die body, described punching mechanism is to be installed on the frame and to be in large tank directly over the die assembly, and upper die body is fixedly connected on the lower end of the piston rod of large tank, and can follow piston rod and move back and forth up and down.

The utility model further is set to: described hull and pulp removing machine structure includes pneumatic cylinder, top board, takes off stock column, stripper plate and back-moving spring, wherein pneumatic cylinder is installed in the below of frame, and the piston rod of pneumatic cylinder runs through frame, and contacts with top board on placing the frame upper surface; Take off the stock column lower end and be fixedly connected on the top board, and the middle plate of mould seat is stretched out in the upper end; Stripper plate is fixedly connected on the external part that takes off stock column, and is connected with lower mold body; Back-moving spring is set in and takes off on the stock column, and is between middle plate and the top board.

Described powder former is provided with the controlling organization of die assembly, it includes rack-mounted guide rail and small oil tank, wherein small oil tank is positioned at guide rail one side, the mould seat is placed on the guide rail, and the mould seat is connected on the piston rod of small oil tank, and can follow piston rod and reciprocatingly slide along guide rail.

Described powder former is provided with feed mechanism, the hopper that it includes rack-mounted motor and feed cylinder and is arranged on feed cylinder top and communicates with the feed cylinder inner chamber, the shaft that motor shaft is connected wherein is installed in the feed cylinder, distribute to stir bar on the shaft, the discharging opening of feed cylinder fits tightly on the surface of the panel of mould seat by seal.

Be provided with dividing plate in the described feed cylinder, form a containing cavity between dividing plate and the feed cylinder housing, be perfused with recirculated cooling water in the containing cavity.

Between described lower mold body and the mould seat adjusting pad is installed, described large tank is provided with the spacing adjusting handle of upper die body.

The beneficial effects of the utility model are: the utility model is compared with original technology, adopts hydraulic drive structure compaction of powders raw material, makes device structure more simple, reasonable, installs, operates more easy; Hydraulic drive operates steadily, and makes that the equipment service behaviour is more stable, has reduced the wearing and tearing of punching mechanism to equipment, has improved service life.In addition, powder former is provided with the controlling organization and the feed mechanism of die assembly, by the cooperation of controlling organization and feed mechanism, can automatic feed work continuously, and has improved operating efficiency; And can make the powder in the die assembly keep stable weight, improve product quality.Be provided with containing cavity in the feed cylinder, be perfused with the circulation recirculated cooling water in the containing cavity,, cause normally feeding to prevent that powder stock in the feed cylinder from because mixing time is long, heats up too high and cause being bonded into piece.

Below in conjunction with embodiment and accompanying drawing the utility model is further specified.

Description of drawings

Fig. 1 is the utility model example structure schematic diagram.

The specific embodiment

As shown in Figure 1, the utility model embodiment adopts a kind of fully automatic powder make-up machine, includes frame 1, is installed in die assembly 2, punching mechanism 3 and material-removing structure 4 on the frame 1.Wherein die assembly mainly is made of mould seat 21, upper die body 22, lower mold body 23, outer die body 24 and core rod 25, and mould seat 21 is divided into panel 211, middle plate 212 and three layers of setting of base plate; Outer die body 24 is installed on the panel 211; Core rod 25 is fixedly connected on the middle plate 212, and the upper end places in the outer die body 24; Upper die body 22 is fixedly connected on the punching mechanism 3; Lower mold body 23 is movably set between outer die body 24 and the core rod 25, and between lower mold body 33 and the middle plate 212 adjusting pad 26 is installed, in order to adjust lower mold body 33 upper-lower position in the die body 24 outside, the adjusting pad 26 of different-thickness can suppress the product of Different Weight; Upper die body 22 and lower mold body 23 coaxial settings can not produce skew during punching press, improve the quality of products.

Described punching mechanism 3 is for being installed on the frame 1 and being in inverted large tank 31 directly over the die assembly 2, and upper die body 22 is fixedly connected on the lower end of the piston rod 32 of large tank 31, and can follow piston rod 32 and move back and forth up and down.Large tank 31 is provided with the spacing adjusting handle 33 of upper die body 22, in order to adjust the distance between upper die body 22 and the lower mold body 23, so that make the product of different-thickness.

The utility model embodiment further is set to, and described hull and pulp removing machine structure 4 includes pneumatic cylinder 41, top board 42, takes off stock column 43, stripper plate 44 and back-moving spring 45.Wherein pneumatic cylinder 41 is installed in the below of frame 1, and the piston rod 411 of pneumatic cylinder 41 runs through frame 1, and contacts with top board 42 on placing frame 1 upper surface; Two are taken off stock column 43 lower end vertical fixing and are connected on the top board 42, and the upper end stretch out in plate 212; Stripper plate 44 is fixedly connected on the external part that takes off stock column 43, and is connected with lower mold body 23, and lower mold body 23 can be followed top board 42 and be pumped; Back-moving spring 45 is set in and takes off on the stock column 43, and in being between plate 212 and the top board 42, and the elastic force by back-moving spring 45 makes top board 42 and piston rod 411 closely cooperate.

Described powder former is provided with the controlling organization 5 of die assembly 2, and it includes guide rail 51 and the small oil tank 52 that is installed on the frame 1.Wherein small oil tank 52 is positioned at guide rail 51 1 sides, and the base plate 213 of mould seat 21 is placed on the guide rail 51, and mould seat 21 is connected on the piston rod 53 of small oil tank 52, and can follow piston rod 53 and reciprocatingly slide along guide rail 51.

Described powder former is provided with feed mechanism 6, and it includes motor 61 and feed cylinder 62 that is installed on the frame 1 and the hopper 63 that is arranged on feed cylinder 62 tops and communicates with feed cylinder 62 inner chambers.The shaft 64 that motor shaft 611 is connected wherein is installed in the feed cylinder 62, distributes on the shaft 64 and stir bar 641; Be provided with dividing plate 621 in the feed cylinder 62, form a containing cavity 622 between the housing 625 of dividing plate 621 and feed cylinder 62, be perfused with recirculated cooling water 623 in the containing cavity 622, to prevent the powder stock in the feed cylinder 62 because mixing time is long, heat up too high and cause being bonded into piece, cause normally feeding; The discharging opening 624 of feed cylinder 62 fits tightly on the surface of the panel 211 of mould seat 21 by seal 65, prevents that powder stock from leaking.

During the utility model work,, make die assembly 2 slide into discharging opening 624 positions of feed cylinder 62 along guide rail 51 by small oil tank 52 pullings; The motor 61 of feed mechanism 6 is opened, and the powder stock in the feed cylinder 62 is added in the chamber of being made up of lower mold body 23, outer die body 24 and core rod 25; After reinforced the finishing, promote die assembly 2 to punching mechanism 3 belows by small oil tank 52 again, make upper and lower die

body

22,23 be in coaxial position; After die assembly 2 resetted, the piston rod 32 of large tank 31 drove upper die body 22 and presses down, and with the powder stock punch forming; Afterwards, piston rod 32 drives upper die body 22 rollbacks; Meanwhile, the pneumatic cylinder of hull and pulp removing machine structure 4 41 piston rods 411 rise, and drive top board 42 and take off stock column 43, stripper plate 44 and the lower mold body 23 that are connected on top board 42 rise, and make product be ejected outside the outer die body 24, so that operating personnel's collection; Afterwards,, make top board 42 be returned to original position, cause the squeeze job of finishing a circulation by the effect of back-moving spring 45.

Claims

1. fully automatic powder make-up machine, include frame, rack-mounted die assembly, punching mechanism and material-removing structure, wherein die assembly mainly is made of mould seat, upper die body, lower mold body and outer die body, it is characterized in that: described punching mechanism is to be installed on the frame and to be in large tank directly over the die assembly, and upper die body is fixedly connected on the lower end of the piston rod of large tank, and can follow piston rod and move back and forth up and down.

2. fully automatic powder make-up machine according to claim 1, it is characterized in that: described hull and pulp removing machine structure includes pneumatic cylinder, top board, takes off stock column, stripper plate and back-moving spring, wherein pneumatic cylinder is installed in the below of frame, and the piston rod of pneumatic cylinder runs through frame, and contacts with top board on placing the frame upper surface; Take off the stock column lower end and be fixedly connected on the top board, and the middle plate of mould seat is stretched out in the upper end; Stripper plate is fixedly connected on the external part that takes off stock column, and is connected with lower mold body; Back-moving spring is set in and takes off on the stock column, and is between middle plate and the top board.

3. fully automatic powder make-up machine according to claim 1, it is characterized in that: described powder former is provided with the controlling organization of die assembly, it includes rack-mounted guide rail and small oil tank, wherein small oil tank is positioned at guide rail one side, the mould seat is placed on the guide rail, and the mould seat is connected on the piston rod of small oil tank, and can follow piston rod and reciprocatingly slide along guide rail.

4. according to claim 1 or 2 or 3 described fully automatic powder make-up machines, it is characterized in that: described powder former is provided with feed mechanism, the hopper that it includes rack-mounted motor and feed cylinder and is arranged on feed cylinder top and communicates with the feed cylinder inner chamber, the shaft that motor shaft is connected wherein is installed in the feed cylinder, distribute to stir bar on the shaft, the discharging opening of feed cylinder fits tightly on the surface of the panel of mould seat by seal.

5. fully automatic powder make-up machine according to claim 4 is characterized in that: be provided with dividing plate in the described feed cylinder, form a containing cavity between dividing plate and the feed cylinder housing, be perfused with recirculated cooling water in the containing cavity.

6. according to claim 1 or 2 or 3 or 5 described fully automatic powder make-up machines, it is characterized in that: between described lower mold body and the mould seat adjusting pad is installed, described large tank is provided with the spacing adjusting handle of upper die body.

7. fully automatic powder make-up machine according to claim 4 is characterized in that: between described lower mold body and the mould seat adjusting pad is installed, described large tank is provided with the spacing adjusting handle of upper die body.