Ring part shape correcting die

Abstract

The utility model relates to the technical field of sizing dies, and discloses a ring part sizing die which comprises an upper die and a lower die, the upper die comprises an upper die main body and an upper die sleeve arranged at the bottom of the upper die main body; the lower die comprises a lower die body, a lower die sleeve installed on the top of the lower die body and a middle mandrel movably arranged in the lower die sleeve, and a first crator placing notch is formed in one side of the lower die sleeve. Through the arrangement of the upper die and the lower die, the ring part needing to be pressed is arranged outside the middle core shaft in a sleeving mode, then correction of the ring part is achieved through pressing fit of the upper die and the lower die, compared with the prior art, the die improves the efficiency of the later ring part machining procedure, correction and polishing of the part are reduced, and the production cost is reduced. And the workload of workers is reduced, standardization is achieved, and a foundation is laid for automatic and streamlined production of the ring parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shape correcting die technical field especially relates to a ring part shape correcting die. BACKGROUND

[0002] Ring part butt welding is a welding method widely used in steel structure manufacturing, the technology is relatively mature, and is widely used in manufacturing industry, construction industry and other fields. Its development trend is from manual welding to automatic production line integrating high efficiency and intelligence. Through the combination of big data, artificial intelligence and other technologies, the welding quality and efficiency are improved. At the same time, with the enhancement of environmental protection consciousness, the automatic production line of ring parts will also develop towards low carbon, energy saving and environmental protection.

[0003] With the increasing demand of industry economy for ring parts, the efficiency of manual operation cannot meet the production requirement at present, the advantage of automatic production line is more obvious, especially the high requirement of safety ring, because of the high requirement, it is difficult to realize automation, there is no problem in the welding process of ring parts, but it is difficult to carry out subsequent automatic process, the main reason is that the deformation of ring parts after welding is large, in order to ensure the consistency of the size of ring parts after welding, so that the automatic production is carried out smoothly, the ring parts need to be corrected and shaped after welding. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the prior art and provides a ring part shape correcting die.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A ring part shape correcting die, comprising an upper die and a lower die, the upper die comprises an upper die main body and an upper die sleeve pipe arranged at the bottom of the upper die main body;

[0007] The lower die comprises a lower die main body, a lower die sleeve pipe mounted on the top of the lower die main body and a middle core shaft movably arranged in the lower die sleeve pipe, wherein one side of the lower die sleeve pipe is provided with a first welding scar placing notch.

[0008] Preferably, the outer side of the middle core shaft is provided with a second welding scar placing notch, and the position of the second welding scar placing notch corresponds to the position of the first welding scar placing notch.

[0009] Preferably, the end section of the upper die sleeve pipe and the lower die sleeve pipe is a square ring, and the middle core shaft is matched with the inner cavity of the lower die sleeve pipe.

[0010] Preferably, the end section of the upper die sleeve pipe and the lower die sleeve pipe is a circular ring, and the middle core shaft is matched with the inner cavity of the lower die sleeve pipe.

[0011] Preferably, the upper die body is vertically provided with mounting holes on both sides, and the upper die body is mounted on the upper pressing plate of the press machine through the mounting holes.

[0012] Preferably, the lower die body is vertically provided with a plurality of connecting holes, and the lower die body is fixed on the bottom panel of the press machine through the connecting holes and bolts.

[0013] Preferably, the lower part of the middle core shaft is provided with a lifting driving device, the bottom panel of the press machine and the lower die body are vertically provided with holes for the driving end of the lifting driving device to pass through, and the driving end of the lifting driving device is connected with the bottom end of the middle core shaft.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a ring part shaping die, which comprises a middle core shaft, an upper die and a lower die. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Figure 1 is an upper die front view of the embodiment 1 of the ring part shaping die of the utility model;

[0017] Figure 2 Figure 2 is an upper die bottom view of the embodiment 1 of the ring part shaping die of the utility model;

[0018] Figure 3 Figure 3 is a lower die front view of the embodiment 1 of the ring part shaping die of the utility model;

[0019] Figure 4 Figure 4 is a lower die bottom view of the embodiment 1 of the ring part shaping die of the utility model;

[0020] Figure 5 Figure 5 is an upper die front view of the embodiment 2 of the ring part shaping die of the utility model;

[0021] Figure 6 Figure 6 is an upper die bottom view of the embodiment 2 of the ring part shaping die of the utility model;

[0022] Figure 7 Figure 7 is a lower die front view of the embodiment 2 of the ring part shaping die of the utility model;

[0023] Figure 8 The utility model provides an embodiment 2 lower die plan view of ring part shape correcting die.

[0024] In the figure: 1, lower die main body; 2, lower die sleeve; 3, middle core shaft; 4, first weld scar placing notch; 5, upper die main body; 6, upper die sleeve; 7, second weld scar placing notch; 8, mounting hole; 9, connecting hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Refer to Figures 1-4 A ring part shape correcting die, comprising an upper die and a lower die, the upper die comprises an upper die main body 5 and an upper die sleeve 6 arranged at the bottom of the upper die main body 5.

[0027] The lower die comprises a lower die main body 1, a lower die sleeve 2 mounted on the top of the lower die main body 1 and a middle core shaft 3 movably arranged inside the lower die sleeve 2, wherein one side of the lower die sleeve 2 is provided with a first weld scar placing notch 4.

[0028] When the die is used, the ring part to be pressed is sleeved outside the middle core shaft 3, and the weld scar position of the ring part is placed at the first weld scar placing notch 4 of the lower die sleeve 2 to prevent the weld scar from being pressed, then the press machine is started, the press machine presses the ring part with the upper die to correct it, the inner hole error of the ring part after correction and pressing is less than 0.1mm, the levelness is less than 0.1mm, after the ring part is corrected, the oil cylinder at the lower part of the middle core shaft 3 is operated to pull down, so that the ring part is separated from the middle core shaft 3, then the ring part can be taken out by a mechanical hand or manually, the correction of the ring part is completed, compared with the prior art, the die improves the efficiency of the later ring part machining process, reduces the correction and polishing of the part, reduces the workload of workers, realizes standardization, lays a foundation for the automatic and flow production of the ring part.

[0029] In the embodiment, the outer side of the middle core shaft 3 is provided with a second weld scar placing notch 7, the position of the second weld scar placing notch 7 corresponds to the position of the first weld scar placing notch 4, and the second weld scar placing notch 7 is used for placing the weld scar of the ring part to prevent the weld scar from being pressed.

[0030] In the embodiment, the end sections of the upper die sleeve 6 and the lower die sleeve 2 are all circular ring shapes, the middle core shaft 3 is matched with the inner cavity of the lower die sleeve 2, and the circular ring shaped part is one kind of ring part.

[0031] In the embodiment, the upper die body 5 is vertically provided with mounting holes 8 on both sides, and the upper die body 5 is bolted on the upper pressing plate of the press machine through the mounting holes 8. In this way, the upper die body 5 can be replaced easily, and the needs of different sizes of ring parts can be met.

[0032] In the embodiment, the lower die body 1 is vertically provided with a plurality of connecting holes 9, and the lower die body 1 is bolted on the bottom panel of the press machine through the connecting holes 9.

[0033] In the embodiment, the lower part of the middle core shaft 3 is provided with a lifting driving device, the bottom panel of the press machine and the lower die body 1 are vertically provided with holes for the driving end of the lifting driving device to pass through, and the driving end of the lifting driving device is connected with the bottom end of the middle core shaft 3. The lifting driving device can be an oil cylinder, an air cylinder or an electric cylinder.

[0034] Embodiment 2

[0035] As shown in the figure, the difference between the embodiment and the embodiment 1 is that: Figures 5-8

[0036] In the embodiment, the end sections of the upper die sleeve 6 and the lower die sleeve 2 are both square ring-shaped, and the middle core shaft 3 is adapted with the inner cavity of the lower die sleeve 2. The square ring-shaped part is one kind of ring part.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.​

Claims

1. A ring-shaped part straightening die comprising an upper die and a lower die, characterized in that: the upper die comprises an upper die body and an upper die sleeve arranged at the bottom of the upper die body; the lower die comprises a lower die body, a lower die sleeve mounted at the top of the lower die body, and a middle core shaft movably arranged inside the lower die sleeve, wherein one side of the lower die sleeve is provided with a first weld bead placement notch.

2. A ring part straightening die according to claim 1, characterized in that: The outer side of the middle core shaft is provided with a second weld bead placement notch, and the position of the second weld bead placement notch corresponds to the position of the first weld bead placement notch.

3. A ring part straightening die according to claim 2, characterized in that: The end section of the upper die sleeve and the lower die sleeve is in the shape of a square ring, and the middle core shaft is adapted to the inner cavity of the lower die sleeve.

4. A ring part straightening die according to claim 2, characterized in that: The end section of the upper die sleeve and the lower die sleeve is in the shape of a circular ring, and the middle core shaft is adapted to the inner cavity of the lower die sleeve.

5. A ring part straightening die according to claim 1, characterized in that: Vertical through holes are arranged on both sides of the upper die body, and the upper die body is installed on the upper pressing plate of the press machine through the through holes and penetrating bolts.

6. A ring part straightening die according to claim 5, wherein: A plurality of connecting holes are vertically arranged on the lower die body, and the lower die body is fixed on the bottom panel of the press machine through the connecting holes and bolts.

7. A ring part straightening die according to claim 6, characterized in that: A lifting driving device is arranged below the middle core shaft, the bottom panel of the press machine and the lower die body are vertically provided with holes through which the driving end of the lifting driving device passes, and the driving end of the lifting driving device is connected to the bottom end of the middle core shaft.

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