CN217528921U

CN217528921U - Blanking, punching and stretching die for producing pressure vessel end socket

Info

Publication number: CN217528921U
Application number: CN202123312933.9U
Authority: CN
Inventors: 戴军; 宋仁高; 韩祥
Original assignee: Zhangjiagang Hailuida Molding Equipment Co ltd
Current assignee: Zhangjiagang Hailuida Molding Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-10-04
Anticipated expiration: 2031-12-27

Abstract

The utility model provides an unloading tensile mould that punches a hole for producing pressure vessel head, include: the lower extreme of upper die base is provided with the mould, and the bottom of going up the mould has been seted up and has been punched a hole to the outside of going up the mould is provided with the guide post, the upper end of die holder is provided with the bed die, and the inboard bottom of bed die is provided with the drift to the outside of bed die is provided with the guiding hole, the upper end outside of bed die is provided with the positioning seat, and the inside of positioning seat is provided with the locating piece, the outside of drift is provided with the wedge, and the lower extreme of wedge is connected with the lifter. The utility model provides an in the background art the mould of design can't carry out the trompil punching press to the container head, and the punching press is the easy incline of its real stage stock to be difficult for the problem that takes out the formed part behind the stamping forming.

Description

Blanking, punching and stretching die for producing pressure vessel end socket

Technical Field

The utility model relates to a stamping forming mould technical field, concretely relates to unloading tensile mould that punches a hole for producing pressure vessel head.

Background

The existing pressure vessel sealing head is approximately in a pot shape, the pressure vessel sealing head is formed by enclosing a bottom wall and a side wall, and a through hole is arranged in the middle of the bottom wall in a penetrating mode.

The existing equipment for processing the pressure vessel end socket is like a one-step forming pressure vessel end socket necking die on a hydraulic press (application number: 200920196261.X comprises an upper die holder, a pressure head, a shape correction slide block, a necking die, an elastic body, a lower die fixing plate, a base plate, a lower die holder, a wedge ejector rod and a bolt; wherein, the pressure head is fixed on the upper die holder; the necking die is fixed on the lower die fixing plate, the shape correcting slide block is arranged in inner holes of the necking die and the lower die fixing plate, the shape correcting slide block and the upper surface of the necking die are on the same plane, and a certain gap is reserved between the shape correcting slide block and the upper surface of the necking die; the shape correcting slide block consists of a first slide block and a second slide block, and the first slide block and the second slide block are symmetrical; the shape correcting slide block is connected with the backing plate by a bolt, and the slide block is static in the vertical direction and has a certain movement space in the horizontal direction after connection; the wedge ejector rod is arranged in through holes in the lower die base, the base plate and the shape correction slide block; the shape correcting slide block and the lower die fixing plate are both provided with grooves, and the elastic body is arranged in a cavity enclosed by the grooves and the base plate.

Although the mold related to the above patent document realizes one-step forming of the pressure vessel end socket, there are still some disadvantages:

the container end socket body formed by the mold in one step is not provided with a through hole, other equipment is still needed to be used for opening holes, the process is troublesome, in addition, the lower die holder is of a positioning placement structure provided with end socket blanks, so that the end socket blanks are easy to deflect and cannot enter a gap between the shape correction sliding block and the mold in the initial stage of stamping, and after the stamping forming is completed, the end socket pieces are easily adhered to a forming cavity under high pressure, and the end socket pieces after forming are difficult to take out.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the blanking punching and stretching die for producing the pressure vessel end socket is provided so as to solve the problems that the die designed in the background technology cannot punch the vessel end socket, the blank in the real stage of punching is easy to deflect, and the formed part is difficult to take out after punch forming.

In order to achieve the above object, a blanking, punching and stretching die for producing a pressure vessel end socket is provided, which comprises: the lower extreme of upper die base is provided with the mould, and the bottom of going up the mould has been seted up and has been punched a hole to the outside of going up the mould is provided with the guide post, the upper end of die holder is provided with the bed die, and the inboard bottom of bed die is provided with the drift to the outside of bed die is provided with the guiding hole, the upper end outside of bed die is provided with the positioning seat, and the inside of positioning seat is provided with the locating piece, the outside of drift is provided with the wedge, and the lower extreme of wedge is connected with the lifter.

Further, a supporting table is arranged at the lower end of the lower die base, a limiting plate is arranged on the lower side of the supporting table, and a lifting plate is arranged at the upper end of the limiting plate.

Furthermore, the lifting rod is fixed at the upper end of the lifting plate, the lifting rod penetrates through the lower die, the lower die holder and the supporting table in a sliding mode through the sliding groove, and the middle of the lower end of the lifting plate is connected with the hydraulic rod.

Furthermore, the upper die is of a semicircular structure, the punched hole is formed in the semicircular structure, and the punched hole corresponds to the punch in the upper and lower positions.

Furthermore, a semicircular forming cavity with an opening at the upper end is formed in the lower die, and the punch is arranged in the middle of the bottom of the forming cavity.

Furthermore, the upper end surface of the wedge-shaped block and the inner side cavity wall of the forming cavity are connected into a smooth curved surface, and the wedge-shaped block is symmetrical front and back and left and right relative to the punch.

Furthermore, a yielding groove is arranged inside the positioning seat, a spring is arranged inside the yielding groove, and the inner side end of the abdicating groove is provided with a sliding hole communicated with the outside.

Furthermore, the locating piece sets up to L shape structure, and the vertical end of L shape structure is located the inboard of the inslot spring of stepping down to the horizontal end and the slide opening sliding connection of L shape structure, the highly be less than the groove of stepping down of slide opening, and the horizontal end of locating piece is outstanding in the outside of positioning seat.

The beneficial effects of the utility model reside in that, the utility model discloses an unloading punching hole drawing die for producing pressure vessel head utilizes the punching hole of mould bottom and the drift of bed die bottom for in stamping forming process, once only trompil the container head work piece, save the step of carrying out the trompil through other equipment once more after the shaping, it is comparatively convenient to operate; the positioning seat and the positioning block are utilized, and the spring in the abdicating groove is used for facilitating stable placement and clamping of the blank, so that the blank is not easy to deflect when stressed at the initial stage of stamping forming, and the formed workpiece is unqualified in quality; by utilizing the lifting plate and the lifting rod, after the blank is subjected to punch forming, the wedge-shaped block is ejected upwards through the hydraulic rod, and then the formed container end socket is taken out conveniently.

Drawings

Fig. 1 is a schematic front view of the embodiment of the present invention.

Fig. 2 is a schematic top view of a lower mold according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a position a in fig. 1 according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a location B in fig. 1 according to an embodiment of the present invention.

1. An upper die holder; 2. an upper die; 3. punching; 4. a guide post; 5. a lower die holder; 6. a lower die; 7. A guide hole; 8. a molding cavity; 9. a punch; 10. a limiting plate; 11. a hydraulic lever; 12. a lifting rod; 13. A lifting plate; 14. positioning seats; 15. a yielding groove; 16. a spring; 17. positioning blocks; 18. a slide hole; 19. A wedge block; 20. a chute.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Fig. 1 is the utility model discloses front view structure schematic diagram, fig. 2 are the utility model discloses a lower mould overlook structure schematic diagram, fig. 3 are the utility model discloses a fig. 1 in A department structure schematic diagram, fig. 4 are the utility model discloses a fig. 1 in B department structure schematic diagram.

Referring to fig. 1 to 4, the utility model provides a tensile mould of unloading punching a hole for producing pressure vessel head, include: the device comprises an upper die holder 1, an upper die 2, a lower die holder 5 and a lower die 6.

Specifically, the lower extreme of upper die base 1 is provided with mould 2, and the bottom of going up mould 2 has been seted up and has been punched a hole 3, and the outside of going up mould 2 is provided with guide post 4, the upper end of die holder 5 is provided with bed die 6, and the inboard bottom of bed die 6 is provided with drift 9, and the outside of bed die 6 is provided with guiding hole 7, the upper end outside of bed die 6 is provided with positioning seat 14, and the inside of positioning seat 14 is provided with locating piece 17, the outside of drift 9 is provided with wedge 19, and the lower extreme of wedge 19 is connected with lifter 12.

In this example, the upper die base 1 and the upper die 2, and the lower die base 5 and the lower die 6 are provided as an integral structure.

The upper end of the punch 9 is set to be an arc-shaped end, and after the punch is matched with the punch 3 to form a hole, the periphery of the through hole is polished smoothly by polishing equipment.

As a preferred embodiment, the guide posts 4 and the guide holes 7 enable the upper mold 2 and the lower mold 6 to achieve stability of guided mold clamping.

The lower die holder 5 lower extreme is provided with a supporting bench, and the downside of supporting bench is provided with limiting plate 10 to limiting plate 10 upper end is provided with lifter plate 13.

In a preferred embodiment, the plate 10 is such that the wedge 19 remains at the same curvature as the cavity 8 during the stamping operation.

The lifting rod 12 is fixed at the upper end of the lifting plate 13, the lifting rod 12 penetrates through the lower die 6, the lower die holder 5 and the supporting platform in a sliding mode through the sliding chute 20, and the hydraulic rod 11 is connected to the middle of the lower end of the lifting plate 13.

In a preferred embodiment, the lifting plate 13 and the lifting rod 12 are used to push the wedge block 19 upward by the hydraulic rod 11 after the blank is formed by punching.

The upper die 2 is set to be a semicircular structure, the punched hole 3 is opened inside the semicircular structure, and the punched hole 3 corresponds to the punch 9 in the up-down position.

In a preferred embodiment, after one-time stamping forming is facilitated by the punching holes 3 and the punch 9, through holes are formed in the workpiece.

The lower die 6 is internally provided with a semicircular forming cavity 8 with an open upper end, and the punch 9 is arranged at the middle position of the bottom of the forming cavity 8.

In this embodiment, the molding cavity 8 corresponds to the upper mold 2 in shape, and the limit control of the molding gap between the molding cavity 8 and the upper mold 2 is performed through the guide posts 4 and the guide holes 7.

The upper end surface of the wedge-shaped block 19 is connected with the inner side cavity wall of the forming cavity 8 to form a smooth curved surface, and the wedge-shaped block 19 is symmetrical in front, back, left and right with respect to the punch 9.

In a preferred embodiment, the upper end surface of the wedge block 19 is connected with the inner side cavity wall of the forming cavity 8 to form a smooth curved surface, so that the wedge block 19 does not influence the punch forming of the workpiece.

A yielding groove 15 is formed in the positioning seat 14, a spring 16 is arranged in the yielding groove 15, and a sliding hole 18 communicated with the outside is formed in the inner side end of the yielding groove 15; the positioning block 17 is set to be of an L-shaped structure, the vertical end of the L-shaped structure is located on the inner side of the spring 16 in the abdicating groove 15, the horizontal end of the L-shaped structure is connected with the sliding hole 18 in a sliding mode, the height of the sliding hole 18 is smaller than that of the abdicating groove 15, and the horizontal end of the positioning block 17 protrudes out of the outer side of the positioning seat 14.

As a preferred embodiment, the positioning seat 14 and the positioning block 17 are utilized, and the spring 16 inside the abdicating groove 15 is used to facilitate stable clamping of the blank, so that the blank is not prone to deflection due to stress at the beginning of stamping forming, and then the sliding hole 18 starts a limiting effect on the movement of the positioning block 17.

The utility model discloses a unloading drawing die that punches a hole for producing pressure vessel head can effectively solve the mould that designs in the background art and can't carry out the trompil punching press to the vessel head, and the punching press is the easy incline of stage stock in it, and the difficult problem that takes out the formed part after the stamping forming, utilizes the drift of punching a hole and the bed die bottom of last mould bottom, makes in the stamping forming process, once only with the trompil of vessel head work piece, saves the step of carrying out the trompil through other equipment once more after the shaping, and it is comparatively convenient to operate; the positioning seat and the positioning block are utilized, and the spring in the abdicating groove is used for facilitating stable placement and clamping of the blank, so that the blank is not easy to deflect when stressed at the initial stage of stamping forming, and the formed workpiece is unqualified in quality; by utilizing the lifting plate and the lifting rod, after the blank is subjected to punch forming, the wedge-shaped block is ejected upwards through the hydraulic rod, and then the formed container end socket is taken out conveniently.

Claims

1. The utility model provides a unloading tensile mould that punches a hole for producing pressure vessel head which characterized in that includes: upper die base (1) and die holder (5), the lower extreme of upper die base (1) is provided with mould (2), and the bottom of going up mould (2) has been seted up and has been punched a hole (3) to the outside of going up mould (2) is provided with guide post (4), the upper end of die holder (5) is provided with bed die (6), and the inboard bottom of bed die (6) is provided with drift (9), and the outside of bed die (6) is provided with guiding hole (7), the upper end outside of bed die (6) is provided with positioning seat (14), and the inside of positioning seat (14) is provided with locating piece (17), the outside of drift (9) is provided with wedge (19), and the lower extreme of wedge (19) is connected with lifter (12).

2. The blanking, punching and stretching die for producing the pressure vessel end socket is characterized in that a supporting table is arranged at the lower end of the lower die holder (5), a limiting plate (10) is arranged on the lower side of the supporting table, and a lifting plate (13) is arranged at the upper end of the limiting plate (10).

3. The blanking, punching and stretching die for producing the seal heads of the pressure vessels as claimed in claim 1, wherein the lifting rod (12) is fixed at the upper end of the lifting plate (13), the lifting rod (12) passes through the lower die (6), the lower die holder (5) and the support platform in a sliding manner through the sliding chute (20), and the hydraulic rod (11) is connected to the middle part of the lower end of the lifting plate (13).

4. The blanking, punching and stretching die for producing the pressure vessel end socket is characterized in that the upper die (2) is arranged in a semicircular structure, the punched hole (3) is formed in the semicircular structure, and the punched hole (3) corresponds to the punch (9) in the up-and-down position.

5. The blanking, punching and stretching die for producing the pressure vessel seal head according to the claim 1 is characterized in that the lower die (6) is internally provided with a semicircular forming cavity (8) with an open upper end, and the punch (9) is arranged at the middle position of the bottom of the forming cavity (8).

6. The blanking, punching and stretching die for producing the seal head of the pressure vessel as claimed in claim 1, wherein the upper end surface of the wedge block (19) is connected with the inner side cavity wall of the forming cavity (8) to form a smooth curved surface, and the wedge block (19) is symmetrical in front, back, left and right with respect to the punch (9).

7. The blanking, punching and stretching die for producing the end socket of the pressure vessel as claimed in claim 1, wherein the inside of the positioning seat (14) is provided with a relief groove (15), a spring (16) is arranged inside the relief groove (15), and the inner side end of the relief groove (15) is provided with a slide hole (18) communicated with the outside.

8. The blanking, punching and stretching die for producing the pressure vessel seal head is characterized in that the positioning block (17) is arranged to be an L-shaped structure, the vertical end of the L-shaped structure is positioned at the inner side of the spring (16) inside the abdicating groove (15), the horizontal end of the L-shaped structure is slidably connected with the sliding hole (18), the height of the sliding hole (18) is smaller than that of the abdicating groove (15), and the horizontal end of the positioning block (17) protrudes out of the positioning seat (14).