CN217251865U

CN217251865U - Internal stay forming die for stainless steel pipe machining

Info

Publication number: CN217251865U
Application number: CN202220782315.6U
Authority: CN
Inventors: 张树宝; 宋国辉; 郭强; 张爱东
Original assignee: Zibo Baochen Mould Co Ltd
Current assignee: Zibo Baochen Mould Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-23
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a nonrust steel pipe machining is with interior forming die that props relates to nonrust steel pipe machining field. Including bearing frame and internal stay subassembly, bearing frame's inside is provided with the bed die, be provided with the mould directly over the bed die, go up the top fixedly connected with fly leaf of mould, first pneumatic cylinder is installed to the inside one end of bearing frame, the first piston rod of output fixedly connected with of first pneumatic cylinder, the internal stay subassembly sets up in the inside of first piston rod, the internal stay subassembly includes limit slide, limit slide's one end fixedly connected with anchor strut, the utility model discloses utilize the design of internal stay subassembly, can be to stainless steel pipe its inside effect that plays certain support of in-process of processing through the internal stay subassembly, and then prevent that stainless steel pipe is inside not to have certain support at the in-process of processing into, cause the phenomenon that stainless steel pipe produced the deformation to take place when the stainless steel pipe atress, and then avoided the waste of material.

Description

Internal stay forming die for stainless steel pipe machining

Technical Field

The utility model relates to a nonrust steel pipe machining technical field specifically is a nonrust steel pipe machining is with interior forming die that props.

Background

At present, a product with high requirement on the surface profile of a pipe fitting is generally manufactured by an internal high-pressure process, which is also called as hydraulic forming or hydraulic forming, and is a material forming process for achieving the purpose of forming a hollow part by controlling internal pressure and material flow by using liquid as a forming medium.

When the existing corrugated pipe is processed by a stainless steel pipe, the stainless steel pipe is easy to bend due to the fact that a certain support is not arranged inside the stainless steel pipe in the processing process, the processed corrugated pipe is unqualified, and material waste is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a nonrust steel pipe machining is with internal stay forming die to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a nonrust steel pipe processing is with interior propping forming die, includes:

the device comprises a bearing frame, a lower die is arranged in the bearing frame, an upper die is arranged right above the lower die, a movable plate is fixedly connected to the top end of the upper die, a first hydraulic cylinder is mounted at one end in the bearing frame, and a first piston rod is fixedly connected to the output end of the first hydraulic cylinder;

the inner supporting assembly is arranged inside the first piston rod and comprises a limiting sliding block, and one end of the limiting sliding block is fixedly connected with a reinforcing rod.

Preferably, a limiting sliding groove is formed in the first piston rod, and the limiting sliding groove is sleeved outside the limiting sliding block.

Preferably, the inner wall of one end of the limiting sliding groove is fixedly connected with a return spring, and one end of the return spring is fixedly connected with one end of the limiting sliding block.

Preferably, a second hydraulic cylinder is installed at the other end inside the bearing frame, and a second piston rod is fixedly connected to the output end of the second hydraulic cylinder.

Preferably, one end of the second piston rod is provided with a guide sliding groove, and the guide sliding groove is matched with one end of the reinforcing rod.

Preferably, the top end of the bearing frame is fixedly connected with a third hydraulic cylinder, the output end of the third hydraulic cylinder is fixedly connected with a third piston rod, and the bottom end of the third piston rod penetrates through the top wall of the bearing frame and is fixedly connected to the top end of the movable plate.

Preferably, four guide rods are fixedly connected to the inside of the bearing frame, and the guide rods all penetrate through the inside of the movable plate.

The utility model discloses a nonrust steel pipe machining is with internal stay forming die, its beneficial effect who possesses as follows:

the utility model discloses an utilize the design of internal stay subassembly, can be to nonrust steel pipe in the in-process of processing its inside effect that plays certain support through the internal stay subassembly, and then prevent that nonrust steel pipe is inside not to have certain support at the in-process that the processing becomes, cause the phenomenon that nonrust steel pipe produced the deformation to take place when nonrust steel pipe atress, and then avoided the waste of material.

Drawings

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

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a schematic view of the lower mold structure of the present invention;

fig. 4 is a schematic plan view of the structure of the second hydraulic cylinder, the second piston rod and the guide chute of the present invention;

fig. 5 is a schematic structural view of the inner support assembly of the present invention.

In the figure: 1. a carrier frame; 2. a movable plate; 3. a lower die; 4. an upper die; 5. a first hydraulic cylinder; 6. a first piston rod; 7. a second hydraulic cylinder; 8. a second piston rod; 801. a guide chute; 9. a third hydraulic cylinder; 10. a third piston rod; 11. a guide rod; 12. a reinforcing rod; 13. a limiting slide block; 14. a return spring.

Detailed Description

The embodiment of the utility model discloses nonrust steel pipe machining is with interior forming die that props, as shown in fig. 1-5, include:

the device comprises a bearing frame 1, wherein a lower die 3 is arranged inside the bearing frame 1, an upper die 4 is arranged right above the lower die 3, a movable plate 2 is fixedly connected to the top end of the upper die 4, a first hydraulic cylinder 5 is arranged at one end inside the bearing frame 1, and a first piston rod 6 is fixedly connected to the output end of the first hydraulic cylinder 5;

the top end of the bearing frame 1 is fixedly connected with a third hydraulic cylinder 9, the output end of the third hydraulic cylinder 9 is fixedly connected with a third piston rod 10, and the bottom end of the third piston rod 10 penetrates through the top wall of the bearing frame 1 and is fixedly connected to the top end of the movable plate 2, so that the upper die 4 can be conveniently operated;

four guide rods 11 are fixedly connected inside the bearing frame 1, the guide rods 11 all penetrate through the inside of the movable plate 2, four through grooves are formed in the movable plate 2, the through grooves are sleeved outside the guide rods 11, the outer walls of the guide rods 11 and the inner walls of the through grooves are polished into smooth arc surfaces, and the outer walls of the guide rods 11 and the inner walls of the through grooves are attached to each other;

the inner support assembly is arranged inside the first piston rod 6 and comprises a limiting sliding block 13, one end of the limiting sliding block 13 is fixedly connected with a reinforcing rod 12, and one end of the reinforcing rod 12 is arc-surface-shaped and further conveniently penetrates through the inside of the stainless steel pipe to enter the inside of the guide sliding groove 801;

a limiting sliding groove is formed in the first piston rod 6 and is sleeved outside the limiting sliding block 13, and the inner wall of the limiting sliding groove and the outer wall of the limiting sliding block 13 are mutually attached and are polished into a smooth arc surface shape;

the inner wall of one end of the limiting sliding chute is fixedly connected with a return spring 14, the return spring 14 is initially in an extrusion stress and contraction state, one end of the return spring 14 is fixedly connected with one end of the limiting sliding block 13, and the limiting sliding block 13 is always subjected to extrusion force of the return spring 14;

a second hydraulic cylinder 7 is installed at the other end inside the bearing frame 1, a second piston rod 8 is fixedly connected to the output end of the second hydraulic cylinder 7, and the stainless steel pipe can be conveniently extruded through the design of the first hydraulic cylinder 5 and the second hydraulic cylinder 7;

the direction spout 801 has been seted up to the one end of second piston rod 8, and the direction spout 801 mutually supports with the one end of reinforcing rod 12, and the direction spout 801 cup joints in the outside of reinforcing rod 12 one end, and laminates each other.

The working principle is as follows: referring to fig. 1 to 5, when the stainless steel pipe needs to be processed:

the first step of operation is implemented, an operator firstly holds the stainless steel pipe, then presses the reinforcing rod 12 to one end close to the first piston rod 6, one end of the reinforcing rod 12 extrudes the limiting slide block 13, so that the limiting slide block 13 moves along the inside of the limiting slide groove, the limiting slide block 13 extrudes the reset spring 14 to shrink and accumulate force until one end of the reinforcing rod 12 moves into the inside of the limiting slide groove, then the stainless steel pipe is placed in a mold groove on the lower mold 3, then the extrusion force on the reinforcing rod 12 is released, at the moment, the reset spring 14 releases elastic force to push the limiting slide block 13 to move along the inside of the limiting slide groove, the limiting slide block 13 pushes the reinforcing rod 12 to move, one end of the reinforcing rod 12 moves along the inside of the stainless steel pipe, and the operation stops until one end of the limiting slide block 13 and the inner wall of one end of the limiting slide groove are mutually attached;

implementing the second step of operation, then starting a third hydraulic cylinder 9 through a control switch, wherein an output end of the third hydraulic cylinder 9 drives a third piston rod 10 to move towards a direction close to the lower die 3, the third piston rod 10 drives a movable plate 2 to move, the movable plate 2 drives a through groove penetrating through the movable plate 2 to slide along the outside of a guide rod 11, meanwhile, the movable plate 2 drives an upper die 4 to move until the bottom end of the upper die 4 is attached to the top end of the lower die 3, at the moment, a stainless steel pipe is positioned between the upper die 4 and the lower die 3, and the upper die 4 is clamped at the tops of a first piston rod 6 and a second piston rod 8;

implementing the third step of operation, then simultaneously starting the first hydraulic cylinder 5 and the second hydraulic cylinder 7 through an external control switch, wherein the first hydraulic cylinder 5 and the second hydraulic cylinder 7 respectively drive the first piston rod 6 and the second piston rod 8 to move towards the center of the lower die 3, the stainless steel pipe is extruded in the moving process of the first piston rod 6 and the second piston rod 8, meanwhile, the first piston rod 6 drives the reinforcing rod 12 to move along the inside of the stainless steel pipe, so that one end of the reinforcing rod 12 moves along the inside of the guide sliding groove 801 in the second piston rod 8, and the operation is stopped until the stainless steel pipe is processed;

implementing the fourth step of operation, then closing quickly through external control, starting the first hydraulic cylinder 5 and the second hydraulic cylinder 7 simultaneously, enabling the output ends of the first hydraulic cylinder 5 and the second hydraulic cylinder 7 to drive the first piston rod 6 and the second piston rod 8 to move respectively, enabling the first piston rod 6 and the second piston rod 8 to reset, enabling the first piston rod 6 to drive the reinforcing rod 12 to move along the inside of the guide sliding groove 801 and the inside of the stainless steel pipe, then holding the reinforcing rod 12 by hand, then moving the reinforcing rod 12 to the inside close to the first piston rod 6, enabling the reinforcing rod 12 to drive the limiting slide block 13 to move along the inside of the limiting sliding groove, enabling the limiting slide block 13 to extrude the reset spring 14 to contract and accumulate force, stopping until one end of the reinforcing rod 12 moves out of the inside of the stainless steel pipe, and then taking down the processed corrugated pipe.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nonrust steel pipe processing is with interior propping forming die which characterized in that includes:

the device comprises a bearing frame (1), wherein a lower die (3) is arranged inside the bearing frame (1), an upper die (4) is arranged right above the lower die (3), a movable plate (2) is fixedly connected to the top end of the upper die (4), a first hydraulic cylinder (5) is installed at one end inside the bearing frame (1), and a first piston rod (6) is fixedly connected to the output end of the first hydraulic cylinder (5);

interior vaulting subassembly, interior vaulting subassembly sets up in the inside of first piston rod (6), interior vaulting subassembly includes limiting slide block (13), the one end fixedly connected with anchor strut (12) of limiting slide block (13).

2. The internal stay forming die for processing the stainless steel pipe according to claim 1, wherein: a limiting sliding groove is formed in the first piston rod (6) and is sleeved outside the limiting sliding block (13).

3. The internal stay forming die for processing the stainless steel pipe as claimed in claim 2, wherein: the inner wall of one end of the limiting sliding groove is fixedly connected with a return spring (14), and one end of the return spring (14) is fixedly connected with one end of the limiting sliding block (13).

4. The internal stay forming die for processing the stainless steel pipe according to claim 1, wherein: a second hydraulic cylinder (7) is installed at the other end inside the bearing frame (1), and a second piston rod (8) is fixedly connected to the output end of the second hydraulic cylinder (7).

5. The internal stay forming die for processing the stainless steel pipe according to claim 4, wherein: one end of the second piston rod (8) is provided with a guide sliding groove (801), and the guide sliding groove (801) is matched with one end of the reinforcing rod (12).

6. The internal stay forming die for processing the stainless steel pipe according to claim 1, wherein: the top fixedly connected with third pneumatic cylinder (9) of carrier frame (1), the output fixedly connected with third piston rod (10) of third pneumatic cylinder (9), the roof in carrier frame (1) is run through to the bottom of third piston rod (10), and fixed connection is on the top of fly leaf (2).

7. The internal stay forming die for processing the stainless steel pipe according to claim 1, wherein: the inside fixedly connected with four guide bars (11) of bearing frame (1), just guide bar (11) all run through in the inside of fly leaf (2).