CN217775348U

CN217775348U - Large-fall pipe expanding device for pipe expander

Info

Publication number: CN217775348U
Application number: CN202222136178.1U
Authority: CN
Inventors: 胡静; 张宝忠; 郑晓刚
Original assignee: Shaanxi Baisite Die Co ltd
Current assignee: Shaanxi Baisite Die Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-11
Anticipated expiration: 2032-08-15

Abstract

The utility model provides a big drop expand tube device for on electric tube expander, belong to electric tube expander technical field, through reforming transform to current electric tube expander, under the original function normal use condition of electric tube expander guaranteeing, increase one set of big drop expand tube device on the electric tube expander crossbeam, it reciprocates to drive big drop expand tube die rod through speed reduction servo motor drive ball screw, can realize that high low piece two ware sideboard merges into whole sideboard, realize the function of high drop two ware disposable whole expand tube, reduce the purchase of a pair mould, sideboard processing reduces a process, cancel the process of beating the screw, reduce the manpower, reduce material turnover number of times, function conversion key formula is accomplished, the simple operation, the investment is little, it is fast to take effect, the work piece uniformity of processing is good, and the product quality is improved.

Description

Large-fall pipe expanding device for pipe expander

Technical Field

The utility model belongs to the technical field of the electric tube expander, concretely relates to big drop expand tube device for on electric tube expander.

Background

The tube expander is mainly used for expanding tubes and flaring of a heat exchanger, and comprises the steps of expanding the tubes of a workpiece needing tube expansion and then flaring the tubes. The existing pipe expander can expand the pipe only for the workpieces with the same height without fall, and for the workpieces with two high and low sheets, the high sheet and the low sheet of the two machines are respectively expanded and then spliced by a screw beating process. Therefore, a pair of dies is required to be added, so that a process is added for processing the side plate, manpower and material resources are wasted, the investment is large, and the working efficiency is low. There is therefore a need for improvements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a big drop expand tube device for on electric tube expander, the utility model discloses a reform transform current electric tube expander, under the original function normal use condition of electric tube expander guaranteeing, increase one set of big drop expand tube device on the electric tube expander crossbeam, can realize that two ware sideboard of height piece merge into whole sideboard, realize the function of the disposable whole expand tube of two wares of height drop, simple structure, the simple operation, the investment is little, improve work efficiency, the work piece uniformity of processing out is good, improve product quality.

The utility model adopts the technical proposal that: a big drop expand tube device for on electric tube expander, including the electric tube expander crossbeam, the vertical fixed two rows of support posts that are equipped with in electric tube expander crossbeam upper portion, two rows of support post upper portion horizontal braces have mounting plate, be equipped with the elevator motor cabinet in the middle of the mounting plate upper portion, the fixed speed reduction servo motor that is equipped with on the elevator motor cabinet, be fixed with speed reduction servo motor's output shaft and sprocket, mounting plate upper portion both sides are all fixed and are equipped with the lifting sprocket mount pad, rotatable installation has ball nut in the lifting sprocket mount pad, the outside fixed cover of ball nut has lifting sprocket, lifting sprocket passes through the chain and is connected with speed reduction sprocket, ball nut central thread closes soon has ball screw, be equipped with the fixed jam plate of expander bar removal between two rows of support posts, ball screw lower extreme and the fixed jam plate fixed connection of expander bar removal, big drop expand tube die rod clearance passes the electric tube expander crossbeam upper end and fixes on the fixed jam plate of expander bar removal.

Further inject above-mentioned technical scheme, the lift motor cabinet includes lift motor fixed plate and lift motor support column, the lift motor support column is equipped with the vertical fixing in mounting plate upper portion of a plurality of equipartitions, lift motor support column upper portion fixed support has the lift motor fixed plate, speed reduction servo motor fixes you on the lift motor fixed plate.

The technical scheme is further limited, the lifting chain wheel mounting seat comprises a lifting chain wheel cover plate and a lifting chain wheel support column, the lifting chain wheel support column is provided with a plurality of uniformly distributed vertical fixed parts at the upper part of the mounting bottom plate, and the lifting chain wheel cover plate is fixed at the upper part of the lifting chain wheel support column; the upper end and the lower end of the ball nut are supported between the mounting bottom plate and the lifting chain wheel cover plate through the plane bearing, and holes for the ball screw to penetrate through are formed in the positions, corresponding to the lifting chain wheel cover plate and the mounting bottom plate, of the lifting chain wheel cover plate.

The technical scheme is further limited, and the lower end of the ball screw is fixedly connected with the expansion rod moving and fixing lock plate through a ball screw connecting flange.

The technical scheme is further limited, guide plates are fixedly arranged at the positions, corresponding to the supporting columns on the two sides, of the two ends of the upper portion of the expansion rod moving fixing locking plate, and the two ends of each guide plate are of arc groove structures capable of being in adaptive contact with the cylindrical surfaces of the supporting columns.

The technical scheme is further limited, and a plurality of large-fall pipe expansion die rod through holes for the large-fall pipe expansion die rods to penetrate through are formed in the cross beam of the pipe expander.

The utility model has the advantages compared with the prior art:

this scheme is through reforming transform current electric tube expander, under the original function normal use condition of electric tube expander guaranteeing, increase one set of big drop expand tube device on the electric tube expander crossbeam, reciprocate through speed reduction servo motor drive ball screw and drive big drop expand tube die rod and reciprocate, can realize that two ware sideboard of height piece merge into whole sideboard, realize the function of the disposable whole expand tube of two ware of height drop, reduce the purchase of a pair mould, sideboard processing reduces a process, the screw process is beaten in the cancellation, reduce the manpower, reduce material turnover number of times, function conversion key formula is accomplished, the operation is convenient, the investment is little, it is fast to take effect, the work piece uniformity of processing out is good, improve product quality.

Drawings

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

FIG. 2 is a right side view of the structure of the present invention;

fig. 3 is a top view of the structure of the present invention;

fig. 4 is a bottom view of the structure of the present invention;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

fig. 7 is an enlarged schematic view of the portion C in fig. 6 according to the present invention;

fig. 8 is a perspective view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Please refer to fig. 1-8, which illustrate an embodiment of the present invention.

A big drop expand tube device for on electric tube expander, including electric tube expander crossbeam 1, the vertical fixed two rows of support post 2 that are equipped with in 1 upper portion of electric tube expander crossbeam, 2 upper portion horizontal supports of two rows of support post have mounting plate 3.

The mounting structure is characterized in that a lifting motor base 4 is arranged in the middle of the upper portion of the mounting base plate 3, a speed reduction servo motor 7 is fixedly arranged on the lifting motor base 4, and a speed reducer chain wheel 8 is fixed on an output shaft of the speed reduction servo motor 7. Specifically, lift motor cabinet 4 includes lift motor fixed plate 5 and lift motor support column 6, lift motor support column 6 is equipped with the vertical fixing in 3 upper portions of mounting plate of a plurality of equipartitions, 6 upper portion fixed supports of lift motor support column have lift motor fixed plate 5, speed reduction servo motor 7 is fixed on lift motor fixed plate 5.

The lifting chain wheel installing seats 9 are fixedly arranged on two sides of the upper portion of the installing bottom plate 3, ball nuts 13 are rotatably installed in the lifting chain wheel installing seats 9, lifting chain wheels 14 are fixedly sleeved on the outer portions of the ball nuts 13, the lifting chain wheels 14 are connected with speed reducer chain wheels 8 through chains, and ball screws 12 are screwed in center threads of the ball nuts 13. Specifically, the lifting sprocket mounting seat 9 comprises a lifting sprocket cover plate 10 and lifting sprocket support columns 11, the lifting sprocket support columns 11 are provided with a plurality of uniformly distributed vertical fixed on the upper portion of the mounting base plate 3, and the lifting sprocket cover plate 10 is fixed on the upper portion of the lifting sprocket support columns 11; the upper end and the lower end of the ball nut 13 are supported between the mounting base plate 3 and the lifting chain wheel cover plate 10 through a plane bearing 15, and holes for the ball screw 12 to penetrate through are formed in the corresponding positions of the lifting chain wheel cover plate 10 and the mounting base plate 3.

An expansion rod moving fixing locking plate 17 is arranged between the two rows of supporting upright posts 2, and the expansion rod moving fixing locking plate 17 adopts a commonly used locking plate structure on the existing pipe expander. The lower end of the ball screw 12 is fixedly connected with an expansion rod moving and fixing lock plate 17 through a ball screw connecting flange 16. The large-fall pipe expansion die rod gap penetrates through the upper end of a pipe expansion machine beam 1 and is fixed on an expansion rod moving and fixing locking plate 17, and the pipe expansion machine beam 1 is provided with a plurality of large-fall pipe expansion die rod through holes 19 for the large-fall pipe expansion die rods to penetrate through.

The two ends of the upper part of the expansion rod moving fixing locking plate 17 correspond to the supporting upright columns 2 on the two sides, guide plates 18 are fixedly arranged at the positions, and the two ends of each guide plate 18 are arc groove structures which can be in adaptive contact with the cylindrical surfaces of the supporting upright columns 2.

The utility model discloses a reform transform current electric tube expander, under the original function normal use condition of electric tube expander of assurance, increase one set of big drop expand tube device on the electric tube expander crossbeam, it rotates to drive speed reducer sprocket 8 through speed reduction servo motor 7, speed reducer sprocket 8 drives lifting sprocket 14 through the chain and rotates, lifting sprocket 14 drives ball nut 13 and rotates, ball nut 13 drives ball screw 12 and reciprocates, thereby it reciprocates to drive big drop expand tube die rod, the main oil cylinder in the cooperation electric tube expander, can realize that two ware sideboard of height piece merge into whole sideboard, realize the function of the disposable whole expand tube of two ware of height fall. The improved pipe expander can be used for integrally expanding two devices with the height difference of 0-394 mm. Considering the independence of a hydraulic system and a servo system, a grating ruler or a stay wire encoder is added to track the distance between the movement of the ranging master cylinder and the servo control moving plate in real time, so that the distance is ensured to be safe.

The utility model discloses make the work of big drop expand tube reduce the purchase of a pair mould, the sideboard processing reduces a process, and the screw process is beaten in the cancellation, reduces the manpower, reduces material turnover number of times, and function conversion key formula is accomplished, and the simple operation invests in for a short time, and it is fast to take effect, and the work piece uniformity of processing out is good, improves product quality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A big drop expand tube device for on electric tube expander, including electric tube expander crossbeam (1), its characterized in that: the vertical fixed two rows of support post (2) that are equipped with in electric tube expander crossbeam (1) upper portion, two rows of support post (2) upper portion horizontal braces have mounting plate (3), be equipped with elevator motor seat (4) in the middle of mounting plate (3) upper portion, fixed speed reduction servo motor (7) that are equipped with on elevator motor seat (4), be fixed with speed reducer sprocket (8) on the output shaft of speed reduction servo motor (7), mounting plate (3) upper portion both sides are all fixed and are equipped with lift sprocket mount pad (9), rotatable ball nut (13) of installing in lift sprocket mount pad (9), ball nut (13) external fixation cover has lift sprocket (14), lift sprocket (14) are connected with speed reducer sprocket (8) through the chain, ball nut (13) central thread has closed soon ball screw (12), be equipped with the fixed jam plate of expander roll (17) removal between two rows of support post (2), ball screw (12) lower extreme and expander removal fixed jam plate (17) fixed connection, big expander die rod clearance passes on electric tube expander crossbeam (1) its upper end and fixes on the fixed jam plate (17).

2. The large drop height pipe expanding device for the pipe expander as claimed in claim 1, wherein: lifting motor seat (4) include elevator motor fixed plate (5) and elevator motor support column (6), elevator motor support column (6) are equipped with the vertical fixing in mounting plate (3) upper portion of a plurality of equipartitions, elevator motor support column (6) upper portion fixed support has elevator motor fixed plate (5), speed reduction servo motor (7) are fixed on elevator motor fixed plate (5).

3. The large drop height pipe expander for use on a pipe expander as claimed in claim 1, wherein: the lifting chain wheel mounting seat (9) comprises a lifting chain wheel cover plate (10) and lifting chain wheel support columns (11), a plurality of lifting chain wheel support columns (11) are uniformly distributed and vertically fixed on the upper portion of the mounting bottom plate (3), and the lifting chain wheel cover plate (10) is fixed on the upper portion of the lifting chain wheel support columns (11); the upper end and the lower end of the ball nut (13) are supported between the mounting base plate (3) and the lifting chain wheel cover plate (10) through a plane bearing (15), and holes for the ball screw (12) to penetrate through are formed in the positions, corresponding to the lifting chain wheel cover plate (10) and the mounting base plate (3).

4. The large drop height pipe expander for use on a pipe expander as claimed in claim 1, wherein: the lower end of the ball screw (12) is fixedly connected with an expansion rod moving and fixing lock plate (17) through a ball screw connecting flange (16).

5. The large drop height pipe expander for use on a pipe expander as claimed in claim 1, wherein: the expansion rod moves the upper part of the fixed locking plate (17) and corresponds to the position of the supporting columns (2) at two ends, and a guide plate (18) is fixedly arranged at the corresponding position of the two ends of the supporting columns (2), and the two ends of the guide plate (18) are arc groove structures which can be in contact with the cylindrical surfaces of the supporting columns (2) in an adaptive manner.

6. The large drop height pipe expander for use on a pipe expander as claimed in claim 1, wherein: the pipe expander is characterized in that a plurality of large-fall pipe expansion die rod through holes (19) for the large-fall pipe expansion die rods to penetrate through are formed in the pipe expander cross beam (1).