CN210754513U - One-step forming and rounding device for alloy handrail pipe - Google Patents

Abstract

A one-time forming rounding device for alloy handrail pipes comprises a support, a base structure, a bending movable seat, a first bending rotating seat and a second bending rotating seat, wherein the base structure is arranged on the support; the bending moving seat comprises a first air cylinder, a guide block and a fixing mold, the guide block is arranged at one end of a piston rod of the first air cylinder, and the fixing mold is arranged on the guide block. In the rounding process, the cut alloy pipe is placed on the rounding device, the bending movable seat moves, the pipe is fixed through the first bending rotary seat and the second bending rotary seat, and then the first bending rotary seat and the second bending rotary seat are rotated simultaneously to bend the pipe. All the structures cooperate with each other to finish the one-step forming and rounding work of the alloy handrail pipe.

Description

One-step forming and rounding device for alloy handrail pipe

Technical Field

The utility model relates to an alloy pipe field especially relates to an one shot forming rounding device for alloy handrail tubular product.

Background

In the process of manufacturing the wheelchair armrest, the alloy pipe with the cut length needs to be bent into a required shape through a rounding device. The alloy pipe rounding device used in the current market has great defects, 1) the required shape can be obtained only by bending for many times, the operation steps are many, and the working efficiency is not high; 2) the size precision of the rolled handrail is not high, and the yield is low; 3) in the rounding process, the alloy pipe is easily pressed and deformed, so that the normal use is influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an one shot forming rounding device for alloy handrail tubular product has solved the low problem with the yields not high of work efficiency when alloy tubular product is rounded.

The technical scheme is as follows: the utility model provides a one-time forming rounding device for alloy handrail pipes, which comprises a bracket, a base structure, a bending movable seat, a first bending rotary seat and a second bending rotary seat, wherein the base structure is arranged on the bracket; the bending moving seat comprises a first air cylinder, a guide block and a fixing mold, the guide block is arranged at one end of a piston rod of the first air cylinder, and the fixing mold is arranged on the guide block. In the rounding process, the cut alloy pipe is placed on the rounding device, the bending movable seat moves, the pipe is fixed through the first bending rotary seat and the second bending rotary seat, and then the first bending rotary seat and the second bending rotary seat are rotated simultaneously to bend the pipe. All the structures cooperate with each other to finish the one-step forming and rounding work of the alloy handrail pipe. The fixed die in the bending movable seat is driven by the first air cylinder to move along the guide block to the direction of the alloy pipe, and the pipe is fixed.

Further, the fixed die comprises an arc section, a first straight line section and a second straight line section, and the first straight line section and the second straight line section are arranged on the arc section. Different circular arc section moulds can be replaced according to the shape of the handrail to be rounded, and during rounding, the first bending rotating seat presses the pipe to a first straight line section for positioning, and the second bending rotating seat presses the pipe to a second straight line section for positioning.

Furthermore, a first semicircular groove is formed in the fixed die. The first semicircular groove is matched with the first bending rotating seat and the second bending rotating seat to fix and round the alloy pipe. The radius of the cross section of the first semicircular groove is the same as that of the alloy pipe, so that the pipe cannot be fixed by excessive beating of the radius, and the pipe is pressed and deformed by the excessively small radius.

Further, the base structure includes fixing base, guide holder, first fixed plate, second fixed plate, first cylinder fixing base, second cylinder fixing base and third cylinder fixing base, the guide holder sets up one end on the fixing base, first fixed plate and second fixed plate set up respectively at fixing base below both ends, the other end of guide holder is kept away from to first cylinder fixing base setting on the fixing base, second cylinder fixing base and third cylinder fixing base setting are close to the one end that is equipped with first cylinder fixing base in the fixing base both sides. The guide block that the seat removed is removed in bending does the removal along the guide holder, and first cylinder fixing base, second cylinder fixing base and third cylinder fixing base remove, first turning seat and the second turning seat structure cooperation use of bending in proper order with the removal seat of bending.

Further, the first seat that rotates of bending and the second seat that rotates of bending structure are the same, first seat that rotates of bending includes first fixed block, the first piece that rotates of bending, axis of rotation, the first mould, the second cylinder and the connecting axle of bending, first piece that rotates of bending passes through the axis of rotation setting on first fixed block of bending, the first mould that bends sets up on first piece that rotates of bending, the second cylinder is connected through the connecting axle with first fixed block of bending. During rounding, the second air cylinder in the first bending rotating seat drives the first bending rotating block to drive the first bending die to rotate, so that the alloy pipe is rounded; meanwhile, the second bending rotating seat performs a rounding effect on the other side of the alloy pipe.

Furthermore, a second semicircular groove is formed in the first bending die. The second semicircular groove is matched with the first semicircular groove of the bending movable seat to fix the alloy pipe. The cross-sectional area radius of the second semicircular groove is the same as the radius of the alloy pipe, so that the pipe cannot be fixed due to excessive radius, and the pipe is pressed and deformed due to the excessively small radius.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: 1) the armrests of the wheelchair are subjected to one-step molding and rounding work, so that the working efficiency is improved; 2) the sizes of the grooves of the grinding tools on the bending movable seat and the bending rotary seat correspond to the diameter of the alloy pipe, so that the pipe is prevented from being pressed and deformed during rounding; 3) the first straight line section and the second straight line section are arranged on the fixed die of the bending movable seat, so that the rounding shape precision during rounding is improved; 4) simple structure and convenient operation.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the bending movable base;

FIG. 3 is a perspective view of the stationary mold;

FIG. 4 is a cross-sectional view of a stationary mold;

FIG. 5 is a perspective view of the base structure;

FIG. 6 is a perspective view of the first bending rotation base;

fig. 7 is a left side view of the first bending die.

In the figure: the support 1, the base structure 2, the fixing seat 21, the guide seat 22, the first fixing plate 23, the second fixing plate 24, the first cylinder fixing seat 25, the second cylinder fixing seat 26, the third cylinder fixing seat 27, the bending movable seat 3, the first cylinder 31, the guide block 32, the fixing mold 33, the circular arc section 331, the first straight line segment 332, the second straight line segment 333, the first semicircular groove 334, the first bending rotating seat 4, the first bending fixing block 41, the first bending rotating block 42, the rotating shaft 43, the first bending mold 44, the second semicircular groove 441, the second cylinder 45, the connecting shaft 46, and the second bending rotating seat 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

Fig. 1 is a perspective view of the present invention, which includes a support 1, a base structure 2, a bending movable seat 3, a first bending movable seat 4 and a second bending movable seat 5, wherein the base structure 2 is disposed on the support 1, the bending movable seat 3 is disposed on the base structure 2, and the bending movable seat 4 and the second bending movable seat 5 are disposed on the base structure 2 in parallel and located on one side of the bending movable seat 3; fig. 2 is a perspective view of the bending movable base 3, which includes a first cylinder 31, a guide block 32, and a fixed mold 33, wherein the guide block 32 is disposed at one end of a piston rod of the first cylinder 31, and the fixed mold 33 is disposed on the guide block 32.

As shown in fig. 3, the fixed mold 33 is a perspective view and includes a circular arc section 331, a first straight line section 332, and a second straight line section 333, wherein the first straight line section 332 and the second straight line section 333 are disposed on the circular arc section 331.

As shown in fig. 4, which is a cross-sectional view of the fixed mold 33, the fixed mold 33 is provided with a first semicircular groove 334.

As shown in fig. 5, the base structure 2 is a perspective view, and includes a fixing seat 21, a guide seat 22, a first fixing plate 23, a second fixing plate 24, a first cylinder fixing seat 25, a second cylinder fixing seat 26, and a third cylinder fixing seat 27, wherein the guide seat 22 is disposed at one end of the fixing seat 21, the first fixing plate 23 and the second fixing plate 24 are respectively disposed at two ends of the lower portion of the fixing seat 21, the first cylinder fixing seat 25 is disposed at the other end of the fixing seat 21, which is far away from the guide seat 22, and the second cylinder fixing seat 26 and the third cylinder fixing seat 27 are disposed at two sides of the fixing seat 21, which is near to the end where the first cylinder fixing seat 25 is disposed.

First turning seat 4 and the second turning seat 5 that bends the structure the same, be the stereogram of first turning seat 4 as shown in fig. 6, including first fixed block 41, the first turning block 42 that bends, axis of rotation 43, the first mould 44 that bends, second cylinder 45 and connecting axle 46, the first turning block 42 that bends sets up on first fixed block 41 that bends through axis of rotation 43, the first mould 44 that bends sets up on first turning block 42 that bends, second cylinder 45 and first fixed block 41 that bends connect through connecting axle 46.

As shown in fig. 7, which is a left side view of the first bending die 44, the first bending die 44 is provided with a second semicircular groove 441.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a one shot forming rounding device for alloy handrail tubular product which characterized in that: the bending device comprises a support (1), a base structure (2), a bending movable seat (3), a first bending rotating seat (4) and a second bending rotating seat (5), wherein the base structure (2) is arranged on the support (1), the bending movable seat (3) is arranged on the base structure (2), and the bending rotating seat (4) and the second bending rotating seat (5) are arranged on the base structure (2) in parallel and are positioned on one side of the bending movable seat (3); the bending moving seat (3) comprises a first air cylinder (31), a guide block (32) and a fixed die (33), the guide block (32) is arranged at one end of a piston rod of the first air cylinder (31), and the fixed die (33) is arranged on the guide block (32).

2. The one-step forming and rounding device for the alloy handrail tube according to claim 1, wherein: the fixed die (33) comprises a circular arc section (331), a first straight line section (332) and a second straight line section (333), and the first straight line section (332) and the second straight line section (333) are arranged on the circular arc section (331).

3. The one-shot forming rounding device for the alloy handrail tube according to claim 1 or 2, wherein: and a first semicircular groove (334) is formed in the fixed die (33).

4. The one-step forming and rounding device for the alloy handrail tube according to claim 1, wherein: base structure (2) include fixing base (21), guide holder (22), first fixed plate (23), second fixed plate (24), first cylinder fixing base (25), second cylinder fixing base (26) and third cylinder fixing base (27), guide holder (22) set up one end on fixing base (21), first fixed plate (23) and second fixed plate (24) set up respectively at fixing base (21) below both ends, the other end of guide holder (22) is kept away from in first cylinder fixing base (25) setting on fixing base (21), second cylinder fixing base (26) and third cylinder fixing base (27) set up the one end that is close to in fixing base (21) both sides and is equipped with first cylinder fixing base (25).

5. The one-step forming and rounding device for the alloy handrail tube according to claim 1, wherein: first turning seat (4) and the second turning seat (5) that bends structure is the same, first turning seat (4) that bends include first fixed block (41) that bends, first turning block (42) that bends, axis of rotation (43), first mould (44) that bends, second cylinder (45) and connecting axle (46), first turning block (42) that bends sets up on first fixed block (41) that bends through axis of rotation (43), first mould (44) that bends set up on first turning block (42) that bends, second cylinder (45) and first fixed block (41) that bends are connected through connecting axle (46).

6. The one-shot forming and rounding device for the alloy handrail tube according to claim 5, wherein: and a second semicircular groove (441) is formed in the first bending die (44).

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