CN211464822U

CN211464822U - Tungsten-molybdenum powder metallurgy forming machine

Info

Publication number: CN211464822U
Application number: CN201922006629.8U
Authority: CN
Inventors: 刘家均; 李树清; 龙梅云; 陈梅福; 董骞
Original assignee: North Tungsten New Material Technology Xianghe Co ltd
Current assignee: North Tungsten New Material Technology Xianghe Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-09-11
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to a tungsten molybdenum powder metallurgy make-up machine, it includes that four post cold extrusion machines and one end fix the work platform on four post cold extrusion machines, installs the mould on the work platform, is provided with on the work platform to be used for carrying the pneumatic cylinder on the four post cold extrusion machines with the mould, is provided with the feeding device who adds the powder material in to the mould on the workstation. The utility model has the advantages that through setting up feeding device, the staff of being convenient for is to reinforced process in the mould.

Description

Tungsten-molybdenum powder metallurgy forming machine

Technical Field

The utility model relates to a powder metallurgy equipment especially relates to a tungsten molybdenum powder metallurgy make-up machine.

Background

The tungsten-molybdenum powder metallurgy forming machine is one of the basic procedures in tungsten-molybdenum powder metallurgy production, and aims to form loose tungsten-molybdenum powder into semi-finished products or finished products with preset geometric shapes, sizes, densities and strengths.

The patent of chinese utility model with the publication number of grant CN207044770U discloses a powder metallurgy make-up machine includes hydraulic press, mould and is used for sending the mould into or pulling out the conveyor of hydraulic press output, conveyor includes the workstation of level and fixed connection on the hydraulic press, is fixed in pneumatic cylinder on the hydraulic press, connects in the hydraulic stem of pneumatic cylinder output, connects in the impeller that the hydraulic stem deviates from pneumatic cylinder one end, fixed connection platform on the impeller and set up in spout on the workstation mesa, the platform slide connect in the spout just can slide to the direction that is close or deviates from the hydraulic press in the spout, the mould with platform fixed connection. The utility model discloses a solve the problem that piston rod and pneumatic cylinder above it damaged easily in the use of current powder metallurgy make-up machine.

The above prior art solutions have the following drawbacks: when conveyor transported the mould back at every turn, the staff unpacks the mould apart, then the article of pressure forming from the back of taking out, again with the mould concatenation good, need add the powder material to the mould this moment in, the staff gets the powder material with the tray splendid attire, then moves the tray to the mould top, pours into the mould with the powder material on the tray in at last in, the staff of not being convenient for adds the powder material into the mould.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tungsten molybdenum powder metallurgy make-up machine, its advantage is through setting up feeding device, and the staff of being convenient for is to reinforced process in the mould.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a tungsten-molybdenum powder metallurgy forming machine comprises a four-column cold extruding machine and a working platform, wherein one end of the working platform is fixed on the four-column cold extruding machine, a die is arranged on the working platform, a hydraulic cylinder used for conveying the die to the four-column cold extruding machine is arranged on the working platform, and a feeding device used for adding powder materials into the die is arranged on the working platform; the feeding device comprises a hopper which is positioned above the working platform and used for containing powder materials, a discharge hole which is used for putting the powder materials into the die is formed in the hopper, a cover plate used for sealing and covering the discharge hole is arranged at the discharge hole of the hopper, the cover plate is connected to the hopper in a sliding mode, and a control assembly which drives the cover plate to close or open the discharge hole is arranged on the hopper.

Through adopting the above-mentioned technical scheme, the staff places powder material in the hopper, the hydraulic stem transports the mould to the below of hopper, through controlling control assembly, order about the apron and slide on the hopper, make the discharge gate open, powder material in the hopper flows into in the mould from the discharge gate, after the mould is filled with, control assembly is controlled to the rethread, order about the apron and slide on the hopper, make the discharge gate close, then the hydraulic stem carries the mould to the four-column cold extrusion machine in, to the powder material extrusion in the mould, when the staff need pack powder material to the mould, only need through controlling control assembly, can accomplish reinforced process, made things convenient for the staff to pack powder material in the mould.

The utility model discloses further set up to: a T-shaped sliding strip is fixedly connected to the cover plate, and a slide way connected with the sliding strip in a sliding mode is arranged on the end face where the discharge port is located.

Through adopting above-mentioned technical scheme, realized that the apron slides on the hopper and is connected, realized opening and closing of apron to the discharge gate through the direction of sliding.

The utility model discloses further set up to: the hopper is connected to the working platform in a sliding mode along the length direction of the working platform.

Through adopting above-mentioned technical scheme, after the staff took out the formed part in with the mould, promoted the hopper and slided for the hopper is located the mould directly over, adds the powder material again in to the mould, when the pneumatic cylinder pushed the model back to work platform on, the staff of being convenient for took out the formed part in the mould.

The utility model discloses further set up to: the control assembly comprises a rack fixedly connected to the cover plate, the rack is arranged along the length direction of the slide bar, a gear meshed with the rack for transmission is arranged on the rack, the gear is rotatably connected to the hopper, and a deflector rod is fixedly connected to the peripheral surface of the gear.

Through adopting above-mentioned technical scheme, the staff is through stirring the driving lever for the gear revolve to through the meshing transmission of gear and rack, drive the rack and remove along the length direction of draw runner, thereby the slip of control apron on the hopper, the closure and the opening of control discharge gate.

The utility model discloses further set up to: the spring can be dismantled with driving lever and erection column respectively and be connected, and the both ends rigid coupling of spring has the couple, has seted up annular draw-in groove on the global of driving lever and erection column, and the couple hook is hung on the draw-in groove.

Through adopting above-mentioned technical scheme, rotate the driving lever when the staff for the apron slides, when opening the discharge gate, the spring is elongated, fills up the back with the mould when powder material, and the staff loosens behind the hand, and the driving lever receives the pulling force of spring, orders about the axis rotation of driving lever revolute shaft, makes the apron cover the discharge gate again, and it is more convenient to make the staff add powder material in to the mould.

Through adopting above-mentioned technical scheme, the staff can take the couple at spring both ends from the draw-in groove, just can accomplish the dismantlement to the spring, and the setting of draw-in groove is geted in touch and is difficult for sliding on driving lever or erection column for the spring is connected more stably with the driving lever.

The utility model discloses further set up to: and a knocking component for knocking the hopper is arranged on the side wall of the hopper.

Through adopting above-mentioned technical scheme for the lateral wall of hopper produces the vibration, and the powder material in the easily hopper flows from the discharge gate, reduces the powder material and takes place the condition of blockking up in discharge gate department.

The utility model discloses further set up to: strike the subassembly including setting up the backup pad at the hopper lateral wall, the both sides of backup pad all are provided with the otic placode of rigid coupling on the hopper, wear to be equipped with on the otic placode rather than the axis of rotation of being connected, and the axis of rotation rigid coupling is in the backup pad, and the one end rigid coupling of backup pad has the weight that is used for striking the hopper lateral wall.

Through adopting above-mentioned technical scheme, the staff can be through stirring the backup pad for the weight striking hopper's of backup pad tip lateral wall, and then make the lateral wall of hopper produce the vibration, and the operation is fairly simple, and the practicality is better.

The utility model discloses further set up to: the knocking component further comprises a connecting spring arranged between the heavy hammer and the lug plate and used for abutting the heavy hammer to the side wall of the hopper, and an eccentric disc arranged on the supporting plate and used for stirring the supporting plate, wherein a motor for driving the eccentric disc to rotate is arranged on the hopper, the end part of the motor output shaft is fixedly connected to the eccentric disc and deviates from the circle center of the eccentric disc, and when the eccentric disc rotates, one side, which is thick, of the eccentric disc abuts against one side, which deviates from the hopper, of the supporting plate.

Through adopting above-mentioned technical scheme, when the hopper when adding powder material to the mould, the staff can the starter motor, motor output shaft rotates, it rotates to drive the eccentric disc, conflict when the one side that the backup pad deviates from the hopper when the thicker one side of eccentric disc, make the backup pad revolve the axis rotation of axis of rotation, the hopper is kept away from to the weight, when the eccentric disc rotates thinner one side and breaks away from the contact with the backup pad, the backup pad receives coupling spring's elasticity, order about the weight and remove towards the direction of hopper lateral wall, realize the lateral wall that the weight knocked the hopper, make the lateral wall of hopper produce the vibration, easily powder material in the hopper flows from the discharge gate.

To sum up, the utility model discloses a beneficial technological effect does:

1. when workers need to fill powder materials into the die, the cover plate can open and close the discharge hole only by operating the control assembly, so that the feeding process can be completed, and the workers can conveniently fill the powder materials into the die;

2. the staff is through stirring the driving lever for gear revolve, and through the meshing transmission of gear and rack, drive the rack and remove along the length direction of draw runner, thereby the slip of control apron on the hopper, the closure and the opening of control discharge gate, simple structure, the simple operation, the practicality is good.

Drawings

Fig. 1 is a schematic structural diagram of a tungsten-molybdenum powder metallurgy forming machine in the embodiment.

Fig. 2 is a schematic structural diagram of the feeding device in this embodiment.

Fig. 3 is a schematic view of a connection structure of the slide bar and the slider in this embodiment.

Fig. 4 is a sectional view of the work table in this embodiment.

Fig. 5 is a schematic structural diagram of the slider in this embodiment.

Fig. 6 is a schematic structural diagram of the card slot in the present embodiment.

Fig. 7 is a schematic structural view of the knocking assembly in the present embodiment.

In the figure, 1, a four-column cold extruder; 2. a working platform; 21. a chute; 3. a support bar; 4. a sliding table; 5. a mold; 6. a hydraulic cylinder; 7. a feeding device; 71. a hopper; 72. a support leg; 721. a slider; 73. a discharge port; 731. a slideway; 74. a cover plate; 741. a slide bar; 75. a control component; 751. a rack; 752. a gear; 753. a rotating shaft; 754. a deflector rod; 755. a spring; 756. mounting a column; 757. hooking; 758. a card slot; 76. a knocking component; 761. a support plate; 762. an ear plate; 763. a rotating shaft; 764. a connecting spring; 765. an eccentric disc; 766. a motor; 767. and (4) a heavy hammer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a tungsten molybdenum powder metallurgy make-up machine, including four post cold extrusion machines 1, work platform 2 on four post cold extrusion machines 1 is fixed to one end, and work platform 2's other end rigid coupling has the bracing piece 3 of support on ground for work platform 2 keeps the level, and work platform 2's upper surface is provided with slip table 4, is provided with mould 5 on the slip table 4, and mould 5's opening is the rectangle and deviates from slip table 4. The lower surface of the working platform 2 is provided with a hydraulic cylinder 6 used for conveying the die 5 to the four-column cold extruding machine 1, the end part of a piston rod of the hydraulic cylinder 6 is fixedly connected with the sliding table 4, and the working platform 2 is provided with a feeding device 7 for adding powder materials into the die 5.

Referring to fig. 2 and 3, the feeding device 7 includes a hopper 71 located above the work platform 2 (see fig. 1) and used for holding powder materials, the hopper 71 is fixedly connected with a leg 72 (see fig. 1), the hopper 71 is supported on the work platform 2 through the leg 72, the hopper 71 is provided with a discharge port 73, the shape of the discharge port 73 is the same as the size of the opening of the mold 5, the powder materials in the hopper 71 flow into the mold 5 through the discharge port 73, a cover plate 74 for covering the discharge port 73 is arranged at the discharge port 73 of the hopper 71, the cover plate 74 is connected to the hopper 71 in a sliding manner along the width direction of the discharge port 73, and the hopper 71 is provided with a control assembly 75 for driving the cover plate 74 to close or open the discharge port 73. One surface of the cover plate 74 facing the discharge port 73 is fixedly connected with two T-shaped sliding strips 741, the two sliding strips 741 are respectively close to the left side wall and the right side wall of the hopper 71, the end surface of the discharge port 73 is provided with a slide rail 731 connected with the sliding strips 741 in a sliding manner, and the length of the sliding strips 741 is twice the width of the cover plate 74, so that when the cover plate 74 slides on the hopper 71 to completely open the discharge port 73, the cover plate 74 cannot fall off from the hopper 71.

Referring to fig. 2 and fig. 3, the control assembly 75 includes a rack 751 fixedly connected to the cover plate 74, the rack 751 is disposed along a length direction of the slide 741, a gear 752 engaged with the rack 751 for transmission is disposed on the rack 751, a rotating shaft 753 is disposed at a circle center of the gear 752 and rotatably connected therewith, the rotating shaft 753 is fixedly connected to a side wall of the hopper 71, and a vertically disposed shift lever 754 is fixedly connected to a circumferential surface of the gear 752 facing away from the rack 751. The worker pokes the poking rod 754, so that the gear 752 rotates around the axis of the rotating shaft 753, and the rack 751 is driven to move along the length direction of the sliding strip 741 through the meshing transmission of the gear 752 and the rack 751, so that the cover plate 74 slides on the hopper 71, and the opening and closing of the discharge port 73 are controlled.

Referring to fig. 4 and 5, when the hydraulic cylinder 6 pushes the mold back to the work platform 2, in order to facilitate a worker to take out a formed part in the mold 5, the hopper 71 is connected to the work platform 2 in a sliding manner along the length direction of the work platform 2, one end of the support leg 72 facing the work platform 2 is fixedly connected with a T-shaped slide 721, the upper surface of the work platform 2 is provided with a chute 21 for accommodating the slide block 721 and connected with the slide block 721 in a sliding manner, and the chute 21 is arranged along the length direction of the work platform 2; after the worker takes out the molded article in the mold 5, the worker pushes the hopper 71 to slide so that the hopper 71 is positioned directly above the mold 5, and then the powder material is added to the mold 5.

Referring to fig. 2, in order to make it more convenient for a worker to add powder material into the mold 5 (refer to fig. 1), a spring 755 is disposed on the deflector 754, a mounting post 756 is fixedly connected to a side wall of the hopper 71 facing the deflector 754, the spring 755 connects the deflector 754 and the mounting post 756 together, when the worker rotates the deflector 754, the cover plate 74 slides, and the discharge hole 73 is opened, the spring 755 is elongated, when the powder material fills the mold 5, and when the worker releases his hand, the deflector 754 is pulled by the spring 755, and the deflector 754 is driven to rotate around the axis of the shaft 753, so that the cover plate 74 covers the discharge hole 73 again.

Referring to fig. 2 and 6, when the worker pokes the poking rod 754, the spring 755 is repeatedly stretched, after the worker uses the poking rod 754 for a long time, the elastic acting force of the spring 755 is weakened, so that the rotation process of the poking rod 754 is slowed down, and the discharge hole 73 cannot be timely sealed and covered by the cover plate 74, so the spring 755 is detachably connected with the poking rod 754 and the mounting column 756 respectively, hooks 757 are fixedly connected to two ends of the spring 755, annular clamping grooves 758 are formed in the circumferential surfaces of the poking rod 754 and the mounting column 756, and the hooks 757 are hooked on the clamping grooves 758.

Referring to fig. 7, in order to reduce the blockage of the powder material at the discharge port 73 (see fig. 2), a knocking assembly 76 is disposed on a sidewall of the hopper 71, the knocking assembly 76 includes an elongated support plate 761 parallel to the sidewall of the hopper 71, both sides of the support plate 761 are provided with lug plates 762 fixed to the hopper 71, the lug plates 762 are located in the middle of the support plate 761, a rotating shaft 763 rotatably connected to the lug plates 762 is penetrated through the lug plates 762, the rotating shaft 763 is fixed to the support plate 761, one end of the support plate 761 is fixed to a cylindrical weight 767 for knocking the sidewall of the hopper 71, a connecting spring 764 is disposed between the weight 767 and the lug plates 762, one end of the connecting spring 764 is fixed to the support plate 761, the other end is fixed to the hopper 71, when the connecting spring 764 is in a natural state, an end surface of the weight 767 abuts against the sidewall of the hopper 71, one end of the support plate far away from the weight 767 is provided with an eccentric, the outer side wall of the hopper 71 is fixedly connected with a motor 766 for driving the eccentric disc 765 to rotate, the end part of an output shaft of the motor 766 is fixedly connected to the eccentric disc 765 and deviates from the circle center of the eccentric disc 765, and when the eccentric disc 765 rotates, the thicker side of the eccentric disc 765 can be abutted against one surface of the supporting plate 761, which deviates from the hopper 71.

When the hopper 71 adds powder materials into the mold 5, a worker can start the motor 766, an output shaft of the motor 766 rotates to drive the eccentric disc 765 to rotate, when one thicker side of the eccentric disc 765 abuts against one side, deviating from the hopper 71, of the supporting plate 761, the supporting plate 761 rotates around the axis of the rotating shaft 763, the heavy hammer 767 is far away from the hopper 71, when the eccentric disc 765 rotates to the thinner side to be separated from contact with the supporting plate 761, the supporting plate 761 is subjected to restoring force of the connecting spring 764 to drive the heavy hammer 767 to move towards the side wall of the hopper 71, the heavy hammer 767 is knocked on the side wall of the hopper 71, vibration is generated on the side wall of the hopper 71, and the situation that the powder materials are blocked at the discharge port 73 is reduced.

The implementation principle of the embodiment is as follows: the worker pulls the deflector rod 754 to rotate the gear 752 around the axis of the rotating shaft 753, and the gear 752 is meshed with the rack 751 to drive the rack 751 to move along the length direction of the slide bar 741, so that the discharge port 73 is opened, the powder material in the hopper 71 flows into the mold 5 from the discharge port 73, after the mold 5 is filled with the powder material, the worker releases his hand, the deflector rod 754 is pulled by the spring 755 to drive the deflector rod 754 to rotate around the axis of the rotating shaft 753, so that the cover plate 74 covers the discharge port 73 again, when the hopper 71 adds the powder material into the mold 5, the worker can start the motor 766, the output shaft of the motor 766 rotates to drive the eccentric disc 765 to rotate, when one side of the eccentric disc 765 abuts against one side of the support plate 761, which is far away from the hopper 71, the support plate 761 rotates around the axis of the rotating shaft 763, and the heavy hammer 767 is far away from the, when the eccentric disc 765 rotates to the thinner side and is out of contact with the support plate 761, the support plate 761 is subject to the elastic force of the connection spring 764 to drive the weight 767 to move toward the sidewall of the hopper 71, so that the weight 767 strikes the sidewall of the hopper 71.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tungsten molybdenum powder metallurgy make-up machine, includes that work platform (2) on four post cold extrusion machines (1) are fixed to four post cold extrusion machines (1) and one end, installs mould (5) on work platform (2), is provided with on work platform (2) to be used for carrying pneumatic cylinder (6) on four post cold extrusion machines (1) with mould (5), its characterized in that: a feeding device (7) for adding powder materials into the die (5) is arranged on the working platform (2); the feeding device (7) comprises a hopper (71) which is positioned above the working platform (2) and used for containing powder materials, a discharge hole (73) for putting the powder materials into the die (5) is formed in the hopper (71), a cover plate (74) for sealing the discharge hole (73) is arranged at the discharge hole (73) of the hopper (71), the cover plate (74) is connected to the hopper (71) in a sliding mode, and a control assembly (75) for driving the cover plate (74) to close or open the discharge hole (73) is arranged on the hopper (71).

2. The machine of claim 1, wherein: the cover plate (74) is fixedly connected with a slide bar (741), and the end face where the discharge port (73) is located is provided with a slide way (731) connected with the slide bar (741) in a sliding mode.

3. The machine of claim 1, wherein: the hopper (71) is connected to the working platform (2) in a sliding manner along the length direction of the working platform (2).

4. The machine of claim 2, wherein: the control assembly (75) comprises a rack (751) fixedly connected to the cover plate (74), the rack (751) is arranged along the length direction of the slide bar (741), a gear (752) in meshing transmission with the rack (751) is arranged on the rack (751), the gear (752) is rotatably connected to the hopper (71), and a deflector rod (754) is fixedly connected to the peripheral surface of the gear (752).

5. The machine of claim 3, wherein: and a mounting column (756) is fixedly connected to the side wall of the hopper (71) facing the deflector rod (754), and a spring (755) for connecting the deflector rod (754) and the mounting column (756) together is arranged on the deflector rod (754).

6. The metallurgical tungsten-molybdenum forming machine of claim 5, wherein: the spring (755) is detachably connected with the shifting lever (754) and the mounting column (756) respectively, hooks (757) are fixedly connected to two ends of the spring (755), annular clamping grooves (758) are formed in the circumferential surfaces of the shifting lever (754) and the mounting column (756), and the hooks (757) are hooked on the clamping grooves (758).

7. The machine of claim 1, wherein: and a knocking component (76) for knocking the hopper (71) is arranged on the side wall of the hopper (71).

8. The machine of claim 7, wherein: strike subassembly (76) including setting up backup pad (761) in hopper (71) lateral wall, the both sides of backup pad (761) all are provided with otic placode (762) of rigid coupling on hopper (71), wear to be equipped with on otic placode (762) and rotate axis of rotation (763) of being connected rather than, axis of rotation (763) rigid coupling is on backup pad (761), the one end rigid coupling of backup pad (761) has weight (767) that are used for striking hopper (71) lateral wall.

9. The machine of claim 8, wherein: the knocking assembly (76) further comprises a connecting spring (764) arranged between the heavy hammer (767) and the lug plate (762) and used for enabling the heavy hammer (767) to abut against the side wall of the hopper (71), and an eccentric disc (765) arranged on the supporting plate (761) and used for stirring the supporting plate (761), wherein a motor (766) used for driving the eccentric disc (765) to rotate is arranged on the hopper (71), and the end part of an output shaft of the motor (766) is fixedly connected to the eccentric disc (765) and deviates from the circle center of the eccentric disc (765).