CN213469191U

CN213469191U - Metal pipe bulge loop processingequipment

Info

Publication number: CN213469191U
Application number: CN202021799817.7U
Authority: CN
Inventors: 张秀平
Original assignee: Trans Matic Precision Metal Moulding Suzhou Co ltd
Current assignee: Trans Matic Precision Metal Moulding Suzhou Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-18
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a tubular metal resonator bulge loop processingequipment, mould and lower mould on first mould, second, first mould and lower mould are equipped with coaxial first through-hole and second through-hole respectively, the diameter of second through-hole is less than first through-hole, the mould inserts on the second in the first through-hole, the mould includes first jumper bar and second jumper bar on the second, the diameter of first jumper bar with first through-hole phase-match, the diameter of second jumper bar with the second through-hole phase-match, be equipped with cyclic annular shaping chamber on the lateral wall of first through-hole and/or second through-hole. The utility model discloses make the metal tube inside and outside all by spacingly to guarantee that the atress is even everywhere, the metal tube can only form the bulge loop in the assigned position, and work efficiency is high, has improved the quality of metal tube bulge loop processing simultaneously.

Description

Metal pipe bulge loop processingequipment

Technical Field

The utility model relates to a mold processing technology field, concretely relates to tubular metal resonator bulge loop processingequipment.

Background

The connection of the metal tube and the plastic tube is realized by a sleeving connection mode, in order to realize firm sleeving connection, a convex ring (as shown in figure 1) is usually arranged at the end of the metal tube, the existing method for processing the convex ring at the end of the metal tube mainly adopts a stamping forming mode, but in the mode, because a pressing die and a pier head are two parts which are separated from each other, the convex ring and the pier head are difficult to be ensured on the same central shaft in the actual working process, so that different parts of the tube mouth have different wall thicknesses, namely the wall thickness of the tube is uneven, excessive stress is locally generated in the deformation process of the tube, the problem of scrapping caused by tube cracking and tube explosion or sinking of the tube mouth is caused, the form and position tolerance of a product is difficult to control, the production and processing efficiency is low, and the labor intensity.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a tubular metal resonator bulge loop processingequipment can guarantee that the tubular metal resonator atress is even in stamping process, and machining efficiency is high, and bulge loop processingquality is good.

In order to solve the technical problem, the utility model provides a tubular metal resonator bulge loop processingequipment, mould and lower mould on first mould, second, first mould and lower mould are equipped with coaxial first through-hole and second through-hole respectively, the diameter of second through-hole is less than first through-hole, the mould inserts on the second in the first through-hole, the mould includes first jumper bar and second jumper bar on the second, the diameter of first jumper bar with first through-hole phase-match, the diameter of second jumper bar with the second through-hole phase-match, be equipped with cyclic annular shaping chamber on the lateral wall of first through-hole and/or second through-hole.

Further, the radius difference between the first through hole and the second through hole is matched with the thickness of the metal pipe.

Furthermore, a guide hole is formed above the first through hole, and the second upper die further comprises a guide block matched with the guide hole.

Further, the length of the metal tube is smaller than that of the second punch.

Furthermore, the first through hole and the second through hole are round holes.

Further, the length of the first through hole is smaller than that of the first punch.

Furthermore, the lower end of the second upper die is provided with a chamfer.

Further, the first punch and the second punch are integrally formed.

Further, the second upper die is a solid cylinder.

Further, the first upper die is in a flat tenon shape.

The utility model discloses a beneficial effect that tubular metal resonator bulge loop processingequipment compared with prior art is for the inside and outside tubular metal resonator is all spacing, thereby guarantees that the tubular metal resonator atress everywhere is even, and the tubular metal resonator can only form the bulge loop in the assigned position, and work efficiency is high, has improved the quality of tubular metal resonator bulge loop processing simultaneously.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the region A of FIG. 2

Fig. 4 is a schematic view of a second upper mold structure of the present invention.

The reference numbers in the figures illustrate: 10. the die comprises a first upper die, 11, a first through hole, 12, a guide hole, 20, a second upper die, 21, a first punch, 22, a second punch, 23, a guide block, 30, a lower die, 31, a second through hole, 40, an annular forming cavity, 50 and a metal pipe.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, a device for machining a protruding ring at the end of a metal pipe 50 according to an embodiment of the present invention is shown. The utility model discloses a bulge loop processingequipment includes mould 20 and lower mould 30 on first mould 10, the second, first mould 10 and lower mould 30 of going up are equipped with coaxial first through-hole 11 and second through-hole 31 respectively, the diameter of second through-hole 31 is less than first through-hole 11, mould 20 inserts on the second in the first through-hole 11, mould 20 includes first jumper bar 21 and second jumper bar 22 on the second, the diameter of first jumper bar 21 with 11 phase-matches of first through-hole, the diameter of second jumper bar 22 with 31 phase-matches of second through-hole, be equipped with cyclic annular shaping chamber 40 on the lateral wall of first through-hole 11 and/or second through-hole 31. During operation, the lower die 30 is fixed, and since the diameter of the first punch 21 is matched with the first through hole 11, the diameter of the second punch 22 is matched with the second through hole 31, and the diameter of the second through hole 31 is smaller than that of the first through hole 11, the metal pipe 50 can be arranged in the first through hole 11 and clamped between the first upper die 10 and the second punch 22. Along with the first upper die 10 and the second upper die 20 are pressed down, the second punch 22 is inserted into the lower die 30, at this time, the first upper die 10 and the lower die 30 can be ensured to be on the same central axis, and along with the first upper die 10 and the second upper die 20 being pressed down continuously, the first upper die 10 is abutted to the lower die 30, because a convex ring is arranged at the end of the metal pipe 50 in the embodiment, the annular forming cavity 40 is arranged on the side wall of the joint of the first through hole 11 and the second through hole 31, that is, the first through hole 11 and the second through hole 31 side wall are matched to form a complete annular forming cavity 40. In other embodiments of the present invention, the annular forming cavity 40 may be disposed only on the sidewall of the first through hole 11, so as to process the convex ring in the middle of the metal tube 50. In order to prevent the metal tube 50 from deforming at other positions when the metal tube 50 is extruded to form a convex ring, the radius difference between the first through hole 11 and the second through hole 31 in the embodiment is matched with the thickness of the metal tube 50. That is, the metal pipe 50 is tightly clamped between the first through hole 11 and the second punch 22, so that the metal pipe 50 cannot be deformed even if being pressed, and only a convex ring matched with the annular molding cavity 40 can be formed at the position of the annular molding cavity 40, thereby ensuring the molding quality of the metal pipe 50. To ensure that the metal tube 50 is always clamped between the first through hole 11 and the second punch 22 during the forming of the male ring, the length of the metal tube 50 is smaller than the length of the second punch 22. Further, to ensure that the metal pipe 50 can be punched, the length of the first through hole 11 is smaller than the length of the first punch 21. Therefore, even if the length of the metal pipe 50 is short, the lower surface of the first punch 21 can press the end of the metal pipe 50 to punch the metal pipe 50, thereby completing the forming of the convex ring.

Referring to fig. 2, since the first punch 21 and the second punch 22 are respectively matched with the inner diameter and the outer diameter of the metal pipe 50, the size of the punches is small, in order to ensure the stability and durability of the punches during punching, a guide hole 12 is provided above the first through hole 11, and the second upper die 20 further includes a guide block 23 matched with the guide hole 12. The sizes of the guide hole 12 and the guide block 23 are larger, so that even if the stamping angle slightly deviates from the axial direction of the second upper die 20, the guide hole 12 and the guide block 23 are matched, the punch cannot be greatly influenced, the working stability of the punch is ensured, and the service life of the punch is prolonged. Further, in order to avoid torsion generated in the stamping process and influence the service life of the punch, in this embodiment, the first through hole 11 and the second through hole 31 are both round holes.

Referring to fig. 4, a second upper mold 20 is shown. To ensure that the second upper die 20 can be inserted into the first through hole 11 and the second through hole 31, the lower end of the second upper die 20 is provided with a chamfer. Meanwhile, the first punch 21 and the second punch 22 are integrally formed. The second upper die 20 is a solid cylinder. The second upper die 20 is fully guaranteed to be structurally stable. Further, in order to fix the first upper die 10 conveniently and prevent the first upper die 10 from rotating, the first upper die 10 is in a flat tenon shape.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a tubular metal resonator bulge loop processingequipment, its characterized in that, mould and lower mould on first mould, second, first mould and lower mould are equipped with coaxial first through-hole and second through-hole respectively, the diameter of second through-hole is less than first through-hole, the mould inserts on the second in the first through-hole, the mould includes first drift and second drift on the second, the diameter of first drift with first through-hole phase-match, the diameter of second drift with the second through-hole phase-match, be equipped with cyclic annular shaping chamber on the lateral wall of first through-hole and/or second through-hole.

2. The apparatus of claim 1, wherein the difference between the radii of the first through hole and the second through hole is matched to the thickness of the metal pipe.

3. The apparatus as claimed in claim 1, wherein a guide hole is formed above the first through hole, and the second upper mold further comprises a guide block engaged with the guide hole.

4. The apparatus of claim 1, wherein the length of the metal tube is less than the length of the second punch.

5. The apparatus of claim 1, wherein the first and second through holes are circular holes.

6. The apparatus of claim 1, wherein the first through hole has a length less than the length of the first punch.

7. The apparatus for processing the metal pipe bulge loop as claimed in claim 1, wherein the second upper die is provided with a chamfer at a lower end thereof.

8. The apparatus of claim 1, wherein the first punch is integrally formed with the second punch.

9. The apparatus of claim 1, wherein the second upper mold is a solid cylinder.

10. The apparatus of claim 1, wherein the first upper die is in the form of a tongue.