Pipe fitting shape correcting die

Abstract

The utility model relates to the technical field of shape correction, in particular to a pipe fitting shape correction die which comprises an end seat, and a protruding handle is fixed to the center of the rear side of the end seat. The heating rod is fixed at the center of the front side of the end seat; the multiple sets of shape correcting molds surround the heating rod, the tail end of each set of shape correcting mold is connected with the end base through a distance adjusting piece, and the distance adjusting pieces are used for adjusting the distance between the shape correcting molds and the heating rod; the method comprises the following steps: before sizing, a plurality of groups of sizing molds are far away from a heating rod by utilizing a distance adjusting piece, so that the distance between mold modules is greater than the diameter of a pipe fitting, and then the heating rod is inserted into a port of the pipe fitting to heat the end head of the pipe fitting; and after heating is completed, the heating rod is closed, and then the distance adjusting piece drives the multiple sets of shape correcting molds to be close to each other and make contact with the outer wall of the pipe fitting for extrusion for shape correcting.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shape correcting technology field, specifically point to a pipe fitting shape correcting mould. BACKGROUND

[0002] Pipe fitting shape correcting mould refers to the tool for correcting pipe fitting shape, size precision, pipe fitting shape correction includes roundness correction, in the production, processing, transportation and installation process of pipe fitting, will cause pipe fitting roundness deformation because of many conditions, especially in the end head part of pipe fitting, if deformation occurs, then will cause butt joint difficulty with other pipe fittings.

[0003] Some metal or nonmetal pipe fittings can be heated first when correcting the circle, such as thermoplastic plastic pipe fittings, usually using hot air gun and other tools to heat locally, and then using shape correcting mould to correct its shape.

[0004] The scheme provides a pipe fitting shape correcting mould, integrates the heating structure with the mould, and improves the convenience of pipe fitting butt joint shape correction. UTILITY MODEL CONTENT

[0005] (I) technical problem

[0006] The utility model aims at at least solving the problem that in the prior art, round pipe deformed end head shape correction needs to be combined with heating to improve shape correction effect, but lacks a structure integrating mould and heating.

[0007] (II) technical content

[0008] The scheme provides a pipe fitting shape correcting mould, which is achieved by the following specific technical means, including:

[0009] The end seat is fixed with a convex handle at the rear center of the end seat;

[0010] The heating rod is fixed at the front center of the end seat;

[0011] A plurality of groups of shape correcting moulds are arranged around the heating rod, and each group of shape correcting moulds is connected between the end seat and the distance adjusting piece, and the distance adjusting piece adjusts the distance between the shape correcting mould and the heating rod.

[0012] Preferred technical solution one: a mesh tube is further fixed on the front side of the end seat, the mesh tube covers the heating rod, and direct contact between the heating rod and the inner wall of the pipe fitting is avoided to prevent damage.

[0013] Preferred technical solution two: the shape correcting mould includes a connecting handle connected with the distance adjusting piece and an arc-shaped plate fixed on the connecting handle, and a plurality of groups of arc-shaped plates are arranged close to each other to correct the shape of the pipe fitting.

[0014] Preferably, a third aspect of the application is characterized in that a driving disc is rotatably installed on the rear wall of the end seat around the convex handle, the driving disc is provided with a spiral tooth pattern, and the distance adjusting pieces are engaged with the spiral tooth pattern through the tooth grooves thereon, so that the positions of the distance adjusting pieces can be synchronously adjusted with the rotation of the driving disc.

[0015] Preferably, a fourth aspect of the application is characterized in that the distance adjusting pieces are detachably installed between the end heads and the connecting handles.

[0016] Preferably, a fifth aspect of the application is characterized in that an outer cylinder is fixed on the driving disc, and the outer cylinder is used as a handle for controlling the rotation of the driving disc.

[0017] (Three) technical effects

[0018] The above structure makes the application have the following beneficial effects:

[0019] 1. The heating rod is combined with the type correcting mold, and the use convenience is improved.

[0020] 2. The net cylinder is arranged to isolate the heating rod and the pipe, and direct contact is avoided.

[0021] 3. The whole is high in portability, and the shaping effect on the end head of the circular pipe is good. DETAILED DESCRIPTION

[0022] The accompanying drawings are used to provide a further understanding of the application, and constitute a part of the specification, and are used together with the embodiments of the application to explain the application, and do not constitute a limitation on the application. In the drawings:

[0023] Figure 1 is a schematic view of the overall structure of the application;

[0024] Figure 2 is a rear view of the application;

[0025] Figure 3 is a sectional view of the application;

[0026] Figure 4 is an exploded view of the application.

[0027] In the drawings, 1 is an end seat, 11 is a convex handle, 2 is a distance adjusting piece, 3 is a heating rod, 4 is a net cylinder, 5 is a type correcting mold, 51 is a connecting handle, 52 is an arc-shaped plate, 6 is a driving disc, 61 is an outer cylinder, and 7 is a track. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0029] Please refer to Figures 1-4 , the pipe fitting type correcting die, including end seat 1, heating rod 3 and multiple sets of type correcting die 5, wherein, the convex handle 11 is fixed at the rear center of the end seat 1; the heating rod 3 is fixed at the front center of the end seat 1, which uses the power supply problem, can adopt the rechargeable battery arranged in the end seat 1 as the power supply, also can adopt the mobile power supply to supply power separately, at this time, the cable at the tail end of the heating rod 3 is externally connected with the mobile power supply after passing out from the convex handle 11, if the mobile power supply is used to supply power separately, the mobile power supply needs to be provided with the ground position for placement, and timely charging;

[0030] Meanwhile, it is worth mentioning that the specific model of the heating rod 3 mentioned in the embodiment, and its matched power supply and control switch can also be provided by the manufacturer, the circuit and electronic components and modules involved are all prior art, and those skilled in the art can realize them without further description;

[0031] Multiple sets of type correcting die 5 are uniformly surrounded around the heating rod 3, and the tail end of each set of type correcting die 5 is connected between the end seat 1 through the distance adjusting piece 2; the distance adjusting piece 2 is used to adjust the distance between the type correcting die 5 and the heating rod 3, that is, before the type correcting, the distance adjusting piece 2 is used to move the multiple sets of type correcting die 5 away from the heating rod 3, so that the distance between the type correcting die 5 is greater than the diameter of the pipe fitting, and then the heating rod 3 is inserted into the pipe fitting port to heat the pipe fitting end.

[0032] After heating, the heating rod 3 is turned off, and the multiple sets of type correcting die 5 are driven to approach each other by the distance adjusting piece 2 to contact and extrude the pipe fitting outer wall for type correcting.

[0033] Please refer to Figures 3-4 , the pipe fitting type correcting die, the front side of the end seat 1 is further fixed with the mesh tube 4, the diameter of the mesh tube 4 is less than the inner diameter of the pipe fitting, but greater than the diameter of the heating rod 3, the mesh tube 4 covers the heating rod 3 inside, which is used to protect the heating rod 3, and avoid damage caused by the direct contact between the heating rod 3 and the pipe fitting inner wall.

[0034] Please refer to Figures 1-4 , the pipe fitting type correcting die, the type correcting die 5 includes the connecting handle 51 connected with the distance adjusting piece 2 and the arc-shaped plate 52 fixed on the connecting handle 51, multiple sets of arc-shaped plates 52 are close to each other to form a cylinder with the inner diameter equal to the outer diameter of the pipe fitting, which is used to correct the type of the pipe fitting, at this time, the side edges of the adjacent two sets of arc-shaped plates 52 are in contact;

[0035] The end of the distance adjusting piece 2 is detachably installed with the connecting handle 51, such as fixed by bolts, so that the corresponding specification of the type correcting die 5 can be replaced according to the different diameters of the pipe fittings.

[0036] Please refer to Figures 2-4 The pipe fitting type correcting die is provided with the driving disc 6 which is rotatably installed on the rear wall of the end base 1 around the convex handle 11, and the driving disc 6 is provided with a vortex tooth pattern, and the distance adjusting piece 2 is in strip structure and is slidably arranged on the end base 1 and is engaged with the vortex tooth pattern through the tooth groove which is provided on the distance adjusting piece 2 and is matched with the vortex tooth pattern, and the position of the plurality of distance adjusting pieces 2 can be synchronously adjusted along with the rotation of the driving disc 6;

[0037] The end base 1 is fixed with the tracks 7 which are equal in number to the distance adjusting pieces 2 and are one-to-one corresponding in position, and the distance adjusting pieces 2 are slidably arranged in the tracks 7, and the tracks 7 are used for limiting the distance adjusting pieces 2 to move back and forth along the radial direction of the end base 1;

[0038] The driving disc 6 is fixed with the outer cylinder 61 which is rotatably sleeved in the front part of the convex handle 11, and the outer cylinder 61 is used as a handle for controlling the rotation of the driving disc 6.

[0039] The parts which are not disclosed in the utility model are all prior art, and the specific structure and working principle will not be repeated.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pipe fitting straightening die comprising an end seat (1) having a convex handle (11) fixed at the center of the rear side of the end seat (1), characterized in that: Also include A heating rod (3) is fixed at the center of the front side of the end seat (1); A plurality of sets of sizing dies (5) are arranged around the heating rod (3), and the tail end of each set of sizing dies (5) is connected with the end seat (1) through a distance adjusting piece (2), and the distance adjusting piece (2) is used to adjust the distance between the sizing die (5) and the heating rod (3).

2. A pipe fitting sizing die according to claim 1, wherein: A mesh tube (4) is also fixed on the front side of the end seat (1), and the mesh tube (4) covers the heating rod (3) inside.

3. A pipe fitting sizing die according to claim 1 wherein: The sizing die (5) comprises a connecting handle (51) connected with the distance adjusting piece (2) and an arc-shaped plate (52) fixed on the connecting handle (51), and a plurality of sets of arc-shaped plates (52) are arranged close to each other to form a cylinder with an inner diameter equal to the outer diameter of the pipe.

4. A pipe sizing die according to claim 3, wherein: A driving disc (6) is rotatably installed on the convex handle (11) on the rear wall of the end seat (1), the driving disc (6) has a spiral tooth pattern, and the distance adjusting piece (2) slides along the end seat (1) and is engaged with the spiral tooth pattern through the tooth groove thereon.

5. A pipe sizing die according to claim 4, wherein: A track (7) equal in number to the distance adjusting pieces (2) and corresponding in position is fixed on the side of the end seat (1), and the distance adjusting pieces (2) are slidably arranged in the track (7).

6. A pipe sizing die according to claim 1 wherein: The end of the distance adjusting piece (2) is detachably connected with the connecting handle (51).

7. A pipe sizing die according to claim 4 wherein: An outer cylinder (61) is fixed on the driving disc (6) and rotatably sleeved in the front part of the convex handle (11).

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