CN204842576U - A inner core mode structure for suppressing seamless elbow - Google Patents

Abstract

The utility model relates to an inner core mode structure for suppressing seamless elbow, including first plug, first plug passes through the channel -section steel to be connected with the second plug the end cap is still connected at the both ends of second plug. The utility model discloses simple structure, convenient to use, the mandrel was convenient in the inside loading and unloading of elbow in should, time of effectively having improved the elbow press forming, improved the efficiency of elbow suppression, the mandrel possess higher intensity when reducing weight in should, made the shaping qualification rate of elbow improve greatly, and the end cap guarantees with the cooperation of elbow hole that the elbow tip is indeformable to prevent that the follow -up condition that needs the tip plastic from taking place, reduced workman's intensity of labour, improved production efficiency greatly.

Description

A kind of inner core die structure for suppressing seamless elbow

Technical field

The utility model relates to elbow compacting tool set, particularly relates to a kind of inner core die structure for suppressing nuclear power main steam system seamless elbow.

Background technology

Seamless elbow needs when suppressing to add inner core rod as support in elbow inside, in the pressing process of existing elbow, inner core rod is all put into elbow inside by the mode of a dead lift, the mode of this dead lift wastes time and energy, not only increase the labour intensity of workman, also have impact on production efficiency.

Utility model content

The applicant, for above-mentioned existing issue, is studied improvement, provides a kind of inner core die structure for suppressing seamless elbow, and this inner core die access node structure is simple, lightweight, and it is quick and convenient that it puts into elbow inside, substantially increases production efficiency.

The technical scheme that the utility model adopts is as follows:

For suppressing an inner core die structure for seamless elbow, comprise the first plug, described first plug is connected with the second plug by channel-section steel, also connects plug at the two ends of described second plug;

The concrete structure of described first plug is as follows:

Comprise the first base, at the two ends of described first base, upwards extend to form boss in lengthwise position along circular arc direction, also have mounting groove in the bottom of described base;

The concrete structure of described second plug is as follows:

Comprise the second base, extension is extended to form in the horizontal direction respectively at the two ends of described second base, each extension also coordinates plug is installed, also connect channel-section steel in the center of described second base, a lower surface one-body molded cambered surface in the horizontal direction of described second base, extension.

Its further technical scheme is:

Described plug is circular tube structure, offers through hole respectively and for coordinating the installing hole of extension, described through hole is communicated with each other with installing hole in described plug;

Vertically also hole for hoist is offered in described extension.

The beneficial effects of the utility model are as follows:

The utility model structure is simple, easy to use, this inner core die is easy to loading and unloading in elbow inside, effectively improve the time that elbow is compressing, improve the efficiency of elbow compacting, this inner core die possesses higher intensity while reduction weight, and the shaping qualification rate of elbow is improved greatly, plug and elbow inner hole ensure that elbow ends is indeformable, thus prevent the follow-up situation of end shaping that needs from occurring, reduce the labour intensity of workman, substantially increase production efficiency.

Accompanying drawing explanation

Fig. 1 is the plan structure figure of the first plug in the utility model.

Fig. 2 is the front view of the second plug in the utility model.

Fig. 3 is the side view of Fig. 2.

Fig. 4 is the structural representation that in the utility model, the first plug is connected with the second plug.

Fig. 5 is the side view of plug in the utility model.

Fig. 6 is the sectional structure schematic diagram of plug in the utility model.

Fig. 7 is the application schematic diagram of the utility model and elbow.

Wherein: 1, the first plug; 101, boss; 102, mounting groove; 103, the first base; 2, the second plug; 201, extension; 203, channel-section steel; 202, hole for hoist; 204, cambered surface; 205, the second base; 4, plug; 401, through hole; 402, installing hole; 5, elbow raw material.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.

A kind of inner core die structure for suppressing seamless elbow is comprised the first plug 1, first plug 1 and is connected with the second plug 2 by channel-section steel 203, also connects plug 4 at the two ends of the second plug 2.

As shown in Figure 1, the concrete structure of above-mentioned first plug 1 is as follows: comprise the first base 103, at the two ends of the first base 103, upwards extends to form boss 101 in lengthwise position along circular arc direction, also has mounting groove 102 in the bottom of the first base 103.

As shown in Figure 2, Figure 3 and Figure 4, the concrete structure of above-mentioned second plug 2 is as follows: comprise the second base 205, extends to form extension 201 in the horizontal direction respectively, in extension 201, vertically also offer hole for hoist 202 at the two ends of the second base 205.Each extension 201 also coordinates plug 4 is installed, channel-section steel 203 (width of channel-section steel 203 matches with the width of mounting groove 102) is also welded in the center of the second base 205, second base 205, a lower surface one-body molded cambered surface 204 in the horizontal direction of extension 201, the design of cambered surface 204 makes the second plug 2 also assures that the intensity of self when weight reduction, as Fig. 5, shown in Fig. 6, plug 4 is circular tube structure, through hole 401 is offered respectively and for coordinating the installing hole 402 of extension 201 in plug 4, through hole 401 is communicated with each other with installing hole 402.

Specific works process of the present utility model is as follows:

As shown in Figures 1 to 7, first the first plug 1 is engaged on channel-section steel 203 by mounting groove 102, thus achieve the connection of the first plug 1 and the second plug 2, then as shown in Figure 4 the first plug 1 connected each other and the second plug 2 are shoveled to elbow raw material 5 (i.e. circular pipe blank) to be pressed inner by forklift, then forklift and through hole 401 is utilized easily plug 4 to be stretched to elbow raw material 5 (i.e. circular pipe blank) inner, until the installing hole 402 of plug 4 coordinates with the extension 201 at the second plug 2 two ends, namely the installation of inner core die is completed, end circularity when the layout of two ends plug 4 ensure that elbow is suppressed, during due to first pressing, elbow two ends are main stress point, plug 4 and elbow inner hole is utilized to ensure that elbow raw material 5 (i.e. circular pipe blank) end is indeformable, thus prevent the follow-up situation of end shaping that needs from occurring, reduce the labour intensity of workman, after compacting completes, forklift and through hole 401 is utilized to be taken out by the plug 4 at the second plug 2 two ends, then the first plug 1 coordinated with channel-section steel 203 in the second plug 2 is taken off, finally by hole for hoist 202, second plug 2 is hung out from elbow raw material 5 (i.e. circular pipe blank) inside.

More than describing is to explanation of the present utility model, and be not the restriction to utility model, the utility model limited range is see claim, and when without prejudice to basic structure of the present utility model, the utility model can do any type of amendment.

Claims (3)

1. one kind for suppressing the inner core die structure of seamless elbow, it is characterized in that: comprise the first plug (1), described first plug (1) is connected with the second plug (2) by channel-section steel (203), also connects plug (4) at the two ends of described second plug (2);

The concrete structure of described first plug (1) is as follows:

Comprise the first base (103), at the two ends of described first base (103), upwards extend to form boss (101) in lengthwise position along circular arc direction, also have mounting groove (102) in the bottom of described base (103);

The concrete structure of described second plug (2) is as follows:

Comprise the second base (205), extension (201) is extended to form respectively in the horizontal direction at the two ends of described second base (205), each extension (201) also coordinates plug (4) is installed, channel-section steel (203) is also connected, a lower surface one-body molded cambered surface (204) in the horizontal direction of described second base (205), extension (201) in the center of described second base (205).

2. a kind of inner core die structure for suppressing seamless elbow as claimed in claim 1, it is characterized in that: described plug (4) is circular tube structure, through hole (401) is offered respectively and for coordinating the installing hole (402) of extension (201), described through hole (401) is communicated with each other with installing hole (402) in described plug (4).

3. a kind of inner core die structure for suppressing seamless elbow as claimed in claim 1, is characterized in that: in described extension (201), vertically also offer hole for hoist (202).