CN216175394U

CN216175394U - Special polycrystalline wire drawing die for aluminum welding wires

Info

Publication number: CN216175394U
Application number: CN202122653348.9U
Authority: CN
Inventors: 朱琰琛; 褚华海
Original assignee: Pinghu Jinping Wire Drawing Die Co ltd
Current assignee: Pinghu Jinping Wire Drawing Die Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-05
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a special polycrystalline wire drawing die for an aluminum welding wire, relates to a wire drawing die, and aims to solve the problems that the aluminum welding wire is too soft and surface abrasion occurs in the wire drawing process, and the technical scheme is as follows: the utility model provides a special glomerocryst wire drawing die of aluminum welding wire, is including being die sleeve, mold core, sintered body and the die cover of coaxial setting, runs through die sleeve, mold core, sintered body and die cover are provided with the line hole, the die sleeve is provided with the annular oil groove that holds in the inner wall of connecting in the die cover, a plurality of oil spilling holes have been seted up to the die cover, the oil spilling hole is connected the annular oil groove that holds to extend to the line hole pore wall. The special polycrystalline wire drawing die for the aluminum welding wire improves the smoothness of the hole wall of the wire passing hole, effectively reduces the surface abrasion of the aluminum welding wire in the process of passing through the wire passing hole, and accordingly improves the qualified rate of the aluminum welding wire after wire drawing.

Description

Special polycrystalline wire drawing die for aluminum welding wires

Technical Field

The utility model relates to a wire drawing die, in particular to a special polycrystalline wire drawing die for an aluminum welding wire.

Background

The wire drawing die is the most important tool in the metal wire processing process, and mainly has the main functions that the metal wire is forced to pass through a die hole under the action of external force, so that the sectional area of the metal wire is compressed and deformed to the expected diameter or shape, the design of the wire drawing die directly influences the service life of the wire drawing die and the drawing quality of the metal wire reasonably, and the wear resistance and the service life of the existing pressure die are required to be improved.

The aluminum-clad steel pressure die disclosed in Chinese patent with publication number CN207343466U has the technical key points that: comprises a pressure die head, a pressure die core and a pressure die sleeve; a groove is formed in the pressure die head; one end of the pressure die sleeve is arranged in the groove of the pressure die head; a pressure die is arranged in the pressure die sleeve; a pressure die core penetrating through the whole pressure die sleeve is embedded in the pressure die sleeve; the pressure mold core is formed by processing at least 3 hard alloys at one time; the pressure die head is made of heat-resistant steel, so that high-temperature deformation can be effectively prevented, the service life is prolonged, and the wear resistance is improved.

When the wire drawing die is applied to aluminum welding wires, the surface abrasion of the aluminum welding wires can be caused due to the fact that the aluminum welding wires are too soft, and abraded waste scraps can be adhered and retained in wire drawing die holes, so that a larger amount of aluminum welding wires cannot be qualified; therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the special polycrystalline wire drawing die for the aluminum welding wire, which improves the lubrication degree of the hole wall of the wire passing hole, effectively reduces the surface abrasion of the aluminum welding wire in the process of passing through the wire passing hole and further improves the qualified rate of the aluminum welding wire after wire drawing.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a special glomerocryst wire drawing die of aluminum welding wire, is including being die sleeve, mold core, sintered body and the die cover of coaxial setting, runs through die sleeve, mold core, sintered body and die cover are provided with the line hole, the die sleeve is provided with the annular oil groove that holds in the inner wall of connecting in the die cover, a plurality of oil spilling holes have been seted up to the die cover, the oil spilling hole is connected the annular oil groove that holds to extend to the line hole pore wall.

Through adopting above-mentioned technical scheme, the die cover is add the annular and is held the oil groove and be used for holding lubricating oil, and fluid flows through the overflow hole under the effect of tension to lubricate crossing the line hole pore wall, thereby improve the lubrication degree of crossing the line hole pore wall, effectively reduce the aluminium welding wire and take place the hidden danger of surface wear at the in-process that passes the line hole, thereby improve the qualification rate of aluminium welding wire after the wire drawing.

The utility model is further configured to: the wire passing hole is sequentially provided with an inlet area, a lubricating area, a compression area, a sizing area and an outlet area from the end of the die cover, and the die core, the sintered body and the die cover jointly form the inlet area.

The utility model is further configured to: the groove wall of the annular oil containing groove is provided with an oil filling hole in a drilling mode, the oil filling hole extends to penetrate through one end face of the die sleeve, and a plug is detachably inserted into the oil filling hole.

The utility model is further configured to: the terminal surface of die sleeve sets up porose edge along the oil filler point, the end cap includes the plug of swivel nut lid and is fixed in the swivel nut centre of a circle, screw sleeve lid and hole along screw-thread fit, the plug post cover is equipped with the gum cover, the gum cover is pegged graft with the oil filler point interference.

The utility model is further configured to: and a funnel-shaped inlet is arranged on the outer circumferential surface of the mold cover along the opening end of the overflow hole.

The utility model is further configured to: the specific quantity of oil spilling hole is four, and is the equal angle setting.

The utility model is further configured to: the end face of the joint of the die sleeve and the die cover is provided with a solute ring groove, and the solute ring groove is provided with a sealing filler.

In conclusion, the utility model has the following beneficial effects: the smoothness of the hole wall of the wire passing hole is improved, the surface abrasion hidden danger of the aluminum welding wire in the process of passing through the wire passing hole is effectively reduced, and the qualified rate of the aluminum welding wire after wire drawing is improved; the layout structure of the wire passing holes is optimized, and a lubricating oil accumulation ring which is filled in a compression area is formed, so that the circumferential track of the aluminum welding wire is completely wrapped, and the lubricating effect is effectively improved; lubricating oil is added into the annular oil containing groove through the oil injection hole, so that convenience of adding the lubricating oil is effectively improved; the sealing property of the joint end faces of the die sleeve and the die cover is improved through the sealing filler, and lubricating oil is effectively prevented from overflowing through the joint of the die sleeve and the die cover.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a partial cross-sectional view of the present application;

fig. 3 is a half sectional view of the present application.

Description of the drawings: 1. die sleeve; 2. a mold core; 3. a sintered body; 4. a mold cover; 5. a wire passing hole; 6. an annular oil receiving groove; 7. an oil spill hole; 8. an inlet zone; 9. a lubrication zone; 10. a compression zone; 11. a sizing zone; 12. an exit zone; 13. an oil filler hole; 14. a plug; 15. a hole edge; 16. a screw sleeve cover; 17. inserting a column; 18. a rubber sleeve; 19. a funnel-shaped inlet; 20. a solute ring groove; 21. and (5) sealing and filling.

Detailed Description

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

The utility model provides a special glomerocryst wire drawing die of aluminum welding wire, as shown in figure 1, figure 2, including the die sleeve 1, mold core 2, the sintered body 3 and the die cover 4 that are coaxial setting, run through die sleeve 1, mold core 2, sintered body 3 and die cover 4 and be provided with line hole 5, die sleeve 1 is provided with the annular in the inner wall of connecting in die cover 4 and holds oil groove 6, and a plurality of oil spilling hole 7 have been seted up to die cover 4, and oil spilling hole 7 connects the annular and holds oil groove 6 to extend to line hole 5 pore wall.

The die cover 4 is additionally provided with the annular oil containing groove 6 for containing lubricating oil, the oil flows out through the overflow hole 7 under the action of tension and is diffused in the wire passing hole 5, so that the lubrication degree of the wall of the wire passing hole 5 is improved, the surface wear hidden danger of the aluminum welding wire in the process of passing the wire passing hole 5 is effectively reduced, and the qualified rate of the aluminum welding wire after wire drawing is improved.

The specific layout of the wire passing hole 5 is as follows, as shown in fig. 3, the wire passing hole 5 is sequentially provided with an inlet area 8, a lubricating area 9, a compression area 10, a sizing area 11 and an outlet area 12 from the end of a die cover 4, and the die core 2, the sintered body 3 and the die cover 4 jointly form the inlet area 8, so that lubricating oil enters the wire passing hole 5 in the inlet area 8 and finishes smearing on an aluminum welding wire in the lubricating area 9.

In order to add lubricating oil for convenience, like the withdrawal of fig. 2, 3, the annular cell wall that holds oil groove 6 bores and is equipped with oil filler point 13, and oil filler point 13 extends to and pierces through 1 terminal surface of die sleeve to can dismantle the grafting and have end cap 14, thereby dismantle end cap 14 after, can hold oil groove 6 to the annular via oil filler point 13 and add the injecting lubricating oil, effectively improve the convenience of adding lubricating oil.

The specific structure of the plug 14 is as follows, the end face of the die sleeve 1 is processed and formed with a hole edge 15 along the oil injection hole 13, the plug 14 comprises a screw sleeve cover 16 and an inserting column 17 fixed at the center of the screw sleeve 16, the screw sleeve cover 16 is in threaded fit with the hole edge 15, the inserting column 17 is sleeved with a rubber sleeve 18, the rubber sleeve 18 is in interference insertion connection with the oil injection hole 13, therefore, the plug 14 is in threaded fit with the hole edge 15 through the screw sleeve cover 16, detachable installation is achieved, and plugging tightness is ensured by the aid of the inserting column 17 and the rubber sleeve 18.

As shown in fig. 2 and 3, a funnel-shaped inlet 19 is formed on the outer circumferential surface of the mold cover 4 along the opening end of the overflow hole 7, so that the size of the inlet of the overflow hole 7 is increased, and the connectivity between the overflow hole 7 and the annular oil receiving groove 6 is improved.

It should be noted that, as shown in fig. 2, the number of the oil spilling holes 7 is four, and the oil spilling holes are arranged at equal angles, so that the aluminum welding wire is better wrapped by the lubricating oil spilled through the oil spilling holes 7.

In order to improve the seam tightness of the die sleeve 1 and the die cover 4, as shown in fig. 2 and fig. 3, a solute ring groove 20 is formed on the seam end surface of the die sleeve 1 and the die cover 4, a sealing filler 21 is arranged on the solute ring groove 20, and the sealing filler 21 can be a cured sealing welding liquid or a cured sealant, so that the seam end surface tightness of the die sleeve 1 and the die cover 4 is improved, and the lubricating oil is effectively prevented from overflowing through the seam of the die sleeve 1 and the die cover 4.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a special glomerocryst wire drawing die of aluminum welding wire, is including die sleeve (1), mold core (2), sintered body (3) and the die cover (4) that are coaxial setting, its characterized in that: the die sleeve is characterized in that a line passing hole (5) is formed in the die sleeve (1), the die core (2), the sintering body (3) and the die cover (4) in a penetrating mode, an annular oil containing groove (6) is formed in the inner wall, connected to the die cover (4), of the die sleeve (1), a plurality of oil overflow holes (7) are formed in the die cover (4), and the oil overflow holes (7) are connected with the annular oil containing groove (6) and extend to the wall of the line passing hole (5).

2. The special polycrystalline wire drawing die for the aluminum welding wire according to claim 1, characterized in that: the wire passing hole (5) is sequentially provided with an inlet area (8), a lubricating area (9), a compression area (10), a sizing area (11) and an outlet area (12) from the end of the die cover (4), and the die core (2), the sintered body (3) and the die cover (4) jointly form the inlet area (8).

3. The special polycrystalline wire drawing die for the aluminum welding wire according to claim 1, characterized in that: an oil filling hole (13) is drilled in the wall of the annular oil containing groove (6), the oil filling hole (13) extends to penetrate through one end face of the die sleeve (1), and a plug (14) is detachably inserted and connected.

4. The special polycrystalline wire drawing die for the aluminum welding wire according to claim 3, wherein: the terminal surface of die sleeve (1) is provided with porose along (15) along oil filler point (13), end cap (14) include screw shell lid (16) and be fixed in post (17) of inserting of screw shell (16) centre of a circle, screw shell lid (16) and hole edge (15) screw-thread fit, it is equipped with gum cover (18) to insert post (17) cover, gum cover (18) are pegged graft with oil filler point (13) interference.

5. The special polycrystalline wire drawing die for the aluminum welding wire according to claim 1, characterized in that: and a funnel-shaped inlet (19) is formed in the outer circumferential surface of the mold cover (4) along the opening end of the overflow hole (7).

6. The special polycrystalline wire drawing die for the aluminum welding wire according to claim 1, characterized in that: the specific number of the oil overflow holes (7) is four, and the oil overflow holes are arranged at equal angles.

7. The special polycrystalline wire drawing die for the aluminum welding wire according to claim 1, characterized in that: the end face of the joint of the die sleeve (1) and the die cover (4) is provided with a solute ring groove (20), and the solute ring groove (20) is provided with a sealing filler (21).