CN214078710U - One-time multi-group forming bulge tool for small-diameter through pipes - Google Patents

Abstract

The utility model discloses a multiunit shaping swell frock of minor diameter siphunculus, including pressing from both sides mould, drift, A board, B board, C board, be equipped with three notch cuttype recess on the clamp mould, be equipped with C board, B board in the recess in the inboard A board, the outside and locate between A board and the C board, when initial condition, there is the clearance between A board, B board, C board each other, is equipped with the spring in the clearance, recess clearance fit on drift and the C board, the drift is embedded to have a pier head mold core, and pier head mold core diameter matches with the oil pipe internal diameter, the pier head mold core is located in the drift, it is fixed that the drift passes through the drift mounting sleeve, the drift mounting sleeve passes through the die clamping sleeve to be fixed, die clamping sleeve and outside cylinder axle fixed connection. The utility model discloses four bulges of one shot forming have saved manufacturing procedure, have reduced the quality defect problem of a lot of processing.

Description

One-time multi-group forming bulge tool for small-diameter through pipes

Technical Field

The utility model relates to an oil pipe shaping swell frock technical field especially relates to a multiunit shaping swell frock of minor diameter siphunculus once.

Background

In order to better improve the sealing performance of an oil pipe, a product is changed into a four-expansion-diameter bulge by a double-expansion-diameter bulge, and a single-process tool needs to be formed for multiple times, so that errors are easy to generate, time and labor are wasted, and a set of tool for forming four bulges at one time is developed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is in order to solve above-mentioned technical problem, has proposed a multiunit shaping swell frock of minor diameter siphunculus.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multiunit shaping swell frock of minor diameter siphunculus once, is including pressing from both sides mould, drift, A board, B board, C board, be equipped with three notch cuttype recess on pressing from both sides the mould, be equipped with in the recess in A board, the outside in the inboard recess C board, B board are located between A board and the C board, and when initial condition, there is the clearance between A board, B board, C board each other, is equipped with the spring in the clearance, recess clearance fit on drift and the C board.

According to a further technical scheme, a pier head mold core is embedded in the punch, and the diameter of the pier head mold core is matched with the inner diameter of the oil pipe.

According to the technical scheme, the pier head mold core is arranged in the punch, the punch is fixed through a punch mounting sleeve, the punch mounting sleeve is fixed through a die clamping sleeve, and the die clamping sleeve is fixedly connected with an external cylinder shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, three stepped grooves are arranged on a clamping die, an A plate is arranged in the groove at the inner side, a C plate and a B plate are arranged in the groove at the outer side, the A plate, the B plate and the C plate are arranged between the A plate and the C plate, a gap exists between the A plate, the B plate and the C plate in an initial state, a spring is arranged in the gap, a stamping die clamping sleeve is connected to an external cylinder, an oil pipe with a bulge is sleeved on a pier nose mold core, the cylinder pushes the oil pipe to move to the C plate, the C plate continues to move forwards and touches the B plate, the A plate is touched forwards again, the surface of the clamping die continues to be impacted forwards, the gaps between the A plate, the B plate and the C plate in the original state are tightly pressed, the oil pipe sequentially forms four bulges according to the impact sequence, respectively, a first bulge is formed at the contact part of the C plate, a second bulge is formed at the contact part of the A plate and the B plate, a third bulge is formed at the contact part of the B plate and the C plate, a fourth bulge is formed at the contact part of the C plate and the clamping die, the four bulges are formed at one-step by one step, the processing procedure is saved, and the quality defect problem of multiple processing is reduced.

Drawings

Fig. 1 is an assembly view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the mold clamping structure of FIG. 1 according to the present invention;

fig. 4 is the structure diagram of the oil pipe forming structure of the present invention.

In the figure: 1 die holder, 2 punches, 3 punch mounting sleeves, 4 die clamping sleeves, 5 pier core, 6C plate, 7B plate, 8A plate and 9 oil pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a multiunit shaping swell frock of minor diameter siphunculus once, including pressing from both sides mould 1, drift 2, A board 8, B board 7, C board 6, it is equipped with three notch cuttype recess on the mould 1 to press from both sides, is equipped with in the recess in A board 8, the outside C board 6, B board 7 locates between A board 8 and the C board 6, and when initial condition, there is the clearance between A board 8, B board 7, C board 6 each other, is equipped with the spring in the clearance (not mark in this figure), and the spring plays reset function, recess clearance fit on drift 2 and the C board 6.

In this embodiment, the drift 2 is embedded with the pier nose mold core 5, and the diameter of the pier nose mold core 5 is matched with the inner diameter of the oil pipe 9.

In this embodiment, the pier nose mold core 5 is arranged in the punch 2, the punch 2 is fixed through the punch mounting sleeve 3, the punch mounting sleeve 3 is fixed through the die clamping sleeve 4, and the die clamping sleeve 4 is fixedly connected with the external cylinder shaft.

When the stamping die is used, firstly, three stepped grooves are formed in a clamping die 1, an A plate 8 is arranged in the groove on the inner side, a C plate 6 and a B plate 7 are arranged between the A plate 8 and the C plate 6, in an initial state, a gap exists between the A plate 8, the B plate 7 and the C plate 6, a spring is arranged in the gap, a stamping die clamping sleeve 4 is connected to an external cylinder, an oil pipe 9 with bulges is sleeved on a pier head mold core 5, the cylinder pushes the oil pipe 9 to move to the C plate 6, the C plate 6 continues to move forwards to touch the B plate 7, the A plate 8 is touched forwards again to continuously impact the surface of the clamping die 1, the gap between the A plate 8, the B plate 7 and the C plate 6 in the original state is tightened, four bulges are sequentially formed according to the impact sequence, a first bulge is formed at the contact part of the C plate 6, a second bulge is formed at the contact part of the A plate 8 and the B plate 7, and a third bulge is formed at the contact part of the C plate 6, the contact part of the C plate 6 and the clamp die 1 forms a fourth bulge, and the bulge shape of the oil pipe 9 is shown in figure 4. The utility model discloses four bulges of one shot forming have saved manufacturing procedure, have reduced the quality defect problem of a lot of processing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (3)

1. The utility model provides a multiunit shaping swell frock of minor diameter siphunculus once, its characterized in that, including pressing from both sides mould, drift, A board, B board, C board, be equipped with three notch cuttype recess on pressing from both sides the mould, be equipped with C board, B board in the recess in A board, the outside in the recess of inboard and locate between A board and the C board, when initial condition, there is the clearance between A board, B board, C board each other, is equipped with the spring in the clearance, recess clearance fit on drift and the C board.

2. The tool for forming the bulges by the small-diameter through pipes in multiple groups at one time according to claim 1, wherein a pier core is embedded in the punch, and the diameter of the pier core is matched with the inner diameter of the oil pipe.

3. The tool for forming the bulges through the small-diameter through pipes in multiple groups at one time according to claim 2, wherein the pier nose mold core is arranged in the punch, the punch is fixed through a punch mounting sleeve, the punch mounting sleeve is fixed through a die clamping sleeve, and the die clamping sleeve is fixedly connected with an external cylinder shaft.

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