CN217412295U

CN217412295U - Tungsten ball processing device

Info

Publication number: CN217412295U
Application number: CN202221471297.6U
Authority: CN
Inventors: 翁永胜
Original assignee: Shenyang Energetic Metal Material Manufacturing Co ltd
Current assignee: Shenyang Energetic Metal Material Manufacturing Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-13
Anticipated expiration: 2032-06-14

Abstract

The utility model relates to a tungsten ball processingequipment, including processing box, two cross arrangement's skew rolling roll, locate the heliciform sword on the skew rolling roll, its technical essential is: the two ends of the skew rolling roller are provided with reducing shafts, cavities with equal wall thickness for injecting cooling liquid are arranged in the skew rolling roller, the reducing shafts are hollow shafts communicated with the cavities with equal wall thickness, the ends, located on the outer side of the processing box body, of the reducing shafts are respectively provided with a sealing plug, and the center of each sealing plug is provided with a liquid pipe joint; the pan feeding side of processing box is equipped with the split type tungsten bar feeding structure that corresponds position between two skew rolling rolls, and split type tungsten bar feeding structure includes a location section of thick bamboo, welds in a plurality of axial high temperature resistant slide rails of a location section of thick bamboo inner wall, the top surface of axial high temperature resistant slide rail be with tungsten bar complex cambered surface, the flange plate utilizes the pan feeding side lateral wall of screw and processing box to be connected fixedly. The device solves the problem that the service life of the spiral rolling cutter in the existing skew rolling processing device is short, saves production resources and saves production cost.

Description

Tungsten ball processing device

Technical field

The utility model relates to a tungsten ball production technical field, concretely relates to tungsten ball processingequipment.

Background Art

The melting point of the metal tungsten is as high as 3420 ℃, the metal tungsten is the metal with the highest melting point in all metals and is the metal with the highest corresponding hardness, so the metal tungsten is widely applied to the high-technology fields of national defense and military aviation and aerospace, electronic and electric power, metallurgical industry and the like. Tungsten spheres are centrosymmetric spherical, high relative density material parts with many excellent properties.

At present, metal powder injection molding, liquid phase sintering and other methods are often adopted to prepare tungsten balls, but the methods have some defects. By adopting the metal powder injection molding method, due to the difficulty in determining proper process parameters, quality problems such as fine cracks at the core part of the ball, bubbles at the surface layer, air holes in the middle part, sometimes difficult demoulding and the like easily occur in the molding process. The liquid phase sintering method is adopted for preparation, so that the operation is convenient, the equipment is simple, the heating temperature is high, and the production efficiency is low. Therefore, a tungsten ball is prepared by transferring a heated tungsten rod between two mutually crossed rolls and performing double-roll pass skew rolling by using spiral rolling cutters on the two rolls, which is disclosed in CN 105057519B. The tungsten ball processing method has high production efficiency and high material utilization rate.

However, the existing tungsten ball skew rolling processing device has the following problems in the use process: 1. the spiral rolling cutter of the roller cuts the high-temperature tungsten rod for a long time, so the service life of the high-temperature tungsten rod is greatly shortened; 2. the feeding port is contacted with the high-temperature tungsten rod for a long time and is easy to damage, but the material is wasted by integral replacement, and the use cost is increased.

Summary

The utility model aims at providing a rational in infrastructure, use reliable tungsten ball processingequipment, solve the problem that heliciform sword life is short among the current skew rolling processingequipment, practice thrift production resource, save manufacturing cost.

The technical scheme of the utility model is that:

the utility model provides a tungsten ball processingequipment, includes the processing box, locates two cross arrangement's in the processing box skew rolling roll, locates the heliciform sword on the skew rolling roll, its technical essential is: the two ends of the skew rolling roller are provided with reducing shafts which are used for supporting the side wall of the processing box body, cavities with equal wall thickness for injecting cooling liquid are arranged in the skew rolling roller, the reducing shafts are hollow shafts which are communicated with the cavities with equal wall thickness, the ends, located on the outer side of the processing box body, of the reducing shafts are respectively provided with a sealing plug, and the center of each sealing plug is provided with a liquid pipe interface; the pan feeding side of processing box is equipped with the split type tungsten bar feeding structure that corresponds position between two skew rolling rolls, split type tungsten bar feeding structure includes that one end is equipped with the location section of thick bamboo of ring flange, welds in the axial high temperature resistant slide rail of a location section of thick bamboo inner wall, the quantity of axial high temperature resistant slide rail is a plurality of, evenly distributed in a location section of thick bamboo inner wall, the top surface of axial high temperature resistant slide rail be with tungsten bar complex cambered surface, the ring flange utilizes the pan feeding side lateral wall of screw and processing box to be connected fixedly.

According to the tungsten ball processing device, the skew rolling roller is formed by welding the upper half roller body and the lower half roller body, the longitudinal fins are respectively welded on the inner walls of the upper half roller body and the lower half roller body, and the longitudinal fins on the upper half roller body and the lower half roller body are alternately arranged, so that the cooling effect of cooling liquid in the skew rolling roller on the skew rolling roller and the spiral rolling cutter is enhanced.

According to the tungsten ball processing device, the horizontal damping plate is welded on the longitudinal fin, and the horizontal damping plate is provided with the liquid through hole. The horizontal damping plate is arranged to prevent the cooling liquid in the skew rolling roller from generating large vibration when turning over.

In the tungsten ball processing device, the bottom of the processing box body corresponds to the material receiving grooves on the discharge sides of the two skew rolling rollers, the bottom of the material receiving grooves is provided with the cooling liquid cavity, the upper surface of the material receiving grooves is the guide inclined plane, the lower end of the guide inclined plane is positioned at the material outlet of the processing box body, the outer side of the material outlet of the processing box body is fixedly provided with the guide plate which is connected with the guide inclined plane, and the tail end of the guide plate extends into the shaping device on the outer side of the processing box body, so that a ball blank formed by skew rolling is guided into the shaping device.

According to the tungsten ball processing device, the triangular reinforcing plates are welded between the two end faces of the skew rolling roller and the outer wall of the reducing shaft connected with the skew rolling roller, so that the service life is prolonged.

The utility model has the advantages that:

1. the hollow skew rolling roller and the reducing shaft are used for injecting cooling liquid, so that the damage of the high-temperature tungsten rod to the spiral rolling cutter is reduced, and the service life is prolonged.

2. Adopt split type tungsten stick feeding structure, during the use, during the tungsten stick is along the leading-in device of axial high temperature resistant slide rail, guarantee its leading-in stability, axial high temperature resistant slide rail has one or several damages simultaneously, need not to replace other guide rails, resources are saved saves manufacturing cost.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an axial cross-sectional view of the skew rolling rolls and reducing shaft;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural diagram of a split tungsten rod feeding structure.

In the figure: 1. the device comprises a tungsten rod, 2 axial high-temperature-resistant slide rails, 3 positioning cylinders, 4 liquid pipe connectors, 5 processing box bodies, 6 oblique rolling rollers, 601 upper half roller bodies, 602 lower half roller bodies, 7 spiral rolling cutters, 8 reducing shafts, 9 ball blanks, 10 material receiving grooves, 11 cooling liquid cavities, 12 guide inclined planes, 13 guide plates, 14 material outlets, 15 shaping devices, 16 triangular reinforcing plates, 17 sealing plugs, 18 constant-wall-thickness cavities, 19 longitudinal fins, 20 horizontal damping plates and 21 liquid through holes.

Detailed description of preferred embodiments

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

As shown in fig. 1 to 4, the tungsten ball processing apparatus includes a processing box 5, two cross-arranged skew rolling rolls 6 disposed in the processing box 5, and a spiral rolling cutter 7 disposed on the skew rolling rolls 6.

Wherein, the both ends of skew rolling roll 6 are equipped with and are used for supporting the reducing axle 8 on processing box lateral wall, be equipped with the equal wall thickness cavity 18 that is used for pouring into the coolant liquid in the skew rolling roll 6, reducing axle 8 is the hollow shaft with equal wall thickness cavity 18 intercommunication, and the tip that reducing axle 8 is located the processing box 5 outside is equipped with respectively and seals up 17, it is equipped with liquid pipe connector 4 to seal up 17 centers. Triangular reinforcing plates 16 are welded between the two end faces of the skew rolling roller 6 and the outer wall of the reducing shaft 8 connected with the skew rolling roller, so that the service life is prolonged. The pan feeding side of processing box 5 is equipped with the split type tungsten bar feeding structure that corresponds position between two skew rolling rolls 6, split type tungsten bar feeding structure includes that one end is equipped with a location section of thick bamboo 3 of ring flange, welds in the axial high temperature resistant slide rail 2 of 3 inner walls of a location section of thick bamboo, the quantity of axial high temperature resistant slide rail 2 is 8, evenly distributed in 3 inner walls of a location section of thick bamboo, the top surface of axial high temperature resistant slide rail 2 be with 1 complex cambered surface of tungsten bar, the ring flange utilizes the screw to be connected fixedly with the pan feeding side lateral wall of processing box 5.

In this embodiment, the skew rolling roller 6 is formed by welding an upper half roller body 601 and a lower half roller body 602, the longitudinal fins 19 are respectively welded to the inner walls of the upper half roller body 601 and the lower half roller body 602, and the longitudinal fins 19 on the upper half roller body 601 and the lower half roller body 602 are alternately arranged, so that the cooling effect of the cooling liquid in the skew rolling roller 6 on the skew rolling roller 6 and the helical rolling knife 7 is enhanced. The longitudinal fins 19 are welded with horizontal damping plates 20, and liquid through holes 21 are formed in the horizontal damping plates 20. The horizontal damping plate 20 prevents the cooling liquid in the skew rolling roller 6 from generating large vibration when turning over, and avoids the damage of the welding seam.

The bottom of the processing box body 5 corresponds to the material receiving grooves 10 on the discharging sides of the two skew rolling rollers 6, the bottom of the material receiving grooves 10 is provided with a cooling liquid cavity 11, the upper surface of the material receiving grooves 10 is a guide inclined plane 12, the lower end of the guide inclined plane 12 is positioned at a material outlet 14 of the processing box body 5, a guide plate 13 which is connected with the guide inclined plane 21 is fixed on the outer side of the material outlet 14 of the processing box body 5, and the tail end of the guide plate 13 extends into a shaping device 15 on the outer side of the processing box body 5, so that the ball blank 9 formed by skew rolling is guided into the shaping device 15.

During operation, the high-temperature tungsten rod 1 enters the processing box body 5 through the split type tungsten rod feeding structure and enters between the two skew rolling rollers 6, the tungsten ball blank 9 is formed by cutting through the spiral rolling cutters 7 on the two rollers, in the process, circulating cooling liquid is introduced into the skew rolling rollers 6, and the tungsten ball blank 9 falls into the material receiving groove 10 on the discharge side of the two rollers and is guided into the shaping device 15 through the material receiving groove 10.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a tungsten ball processingequipment, includes the processing box, locates two cross arrangement's in the processing box skew rolling roll, locates the heliciform sword on the skew rolling roll, its characterized in that: the two ends of the skew rolling roller are provided with reducing shafts which are used for being supported on the side wall of the processing box body, cavities with equal wall thickness for injecting cooling liquid are arranged in the skew rolling roller, the reducing shafts are hollow shafts communicated with the cavities with equal wall thickness, the ends, located on the outer side of the processing box body, of the reducing shafts are respectively provided with a sealing plug, and the center of each sealing plug is provided with a liquid pipe interface; the pan feeding side of processing box is equipped with the split type tungsten bar feeding structure that corresponds position between two skew rolling rolls, split type tungsten bar feeding structure includes that one end is equipped with the location section of thick bamboo of ring flange, welds in the axial high temperature resistant slide rail of a location section of thick bamboo inner wall, the quantity of axial high temperature resistant slide rail is a plurality of, evenly distributed in a location section of thick bamboo inner wall, the top surface of axial high temperature resistant slide rail be with tungsten bar complex cambered surface, the ring flange utilizes the screw to be connected fixedly with the pan feeding side lateral wall of processing box.

2. The tungsten ball processing apparatus according to claim 1, wherein: the skew rolling roller is formed by welding an upper half roller body and a lower half roller body, longitudinal fins are respectively welded on the inner walls of the upper half roller body and the lower half roller body, and the longitudinal fins on the upper half roller body and the lower half roller body are alternately arranged, so that the cooling effect of cooling liquid in the skew rolling roller on the skew rolling roller and a spiral rolling knife is enhanced.

3. The tungsten ball processing apparatus according to claim 2, wherein: and a horizontal damping plate is welded on the longitudinal fins, and a liquid through hole is formed in the horizontal damping plate.

4. The tungsten ball processing apparatus according to claim 1, wherein: the bottom of the processing box body corresponds to the material receiving grooves on the discharge sides of the two skew rolling rollers, the bottom of the material receiving grooves is provided with a cooling liquid cavity, the upper surface of the material receiving grooves is a guide inclined plane, the lower end of the guide inclined plane is located at a material outlet of the processing box body, a guide plate which is connected with the guide inclined plane is fixed on the outer side of the material outlet of the processing box body, and the tail ends of the guide plates extend into a shaping device on the outer side of the processing box body.

5. The tungsten ball processing apparatus according to claim 1, wherein: triangular reinforcing plates are welded between the two end faces of the skew rolling roller and the outer wall of the reducing shaft connected with the skew rolling roller.