Pipe milling end pressing structure

Abstract

The utility model discloses a pipe fitting milling end part jacking structure which is provided with an outer sleeve, an inner sleeve and an outer sleeve, the outer sleeve can be connected with a machine tool; the periphery of the inner core is an outer conical surface matched with the inner conical surface of the outer sleeve; and the positioning hole is formed in the inner core, the positioning hole can be matched with the end of the pipe fitting, the pipe fitting can be reliably positioned, extrusion deformation of the pipe fitting is prevented, and machining is stable and reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe fitting processing, and in particular relates to a top pressing structure for the milling end of a pipe fitting. Background Art

[0002] In the process of implementing the utility model, the inventor found that the prior art has at least the following problems:

[0003] In traditional technology, when milling pipe fittings, the ends of the pipe fittings need to be positioned and clamped. The traditional method is to clamp the sleeve with a chuck. The clamping force of the chuck is difficult to control and the sleeve is easily squeezed and deformed.

[0004] CN112605662A-A metal pipe end processing device discloses a metal pipe end processing device, including a processing table, a metal pipe storage input mechanism is arranged at one end of the processing table, a pipe storage frame is arranged at the other side, and a pipe processing support seat I, a pipe processing support seat II and a pipe processing support seat III are arranged in sequence on the desktop of the processing table, which also cannot solve the above-mentioned technical problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a pipe milling end pressing structure, which can reliably position the pipe, prevent the pipe from being squeezed and deformed, and ensure stable and reliable processing.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a pipe milling end top pressing structure, having:

[0007] An outer sleeve, wherein a through hole is provided inside the outer sleeve, and the cross section of the through hole is conical; the outer sleeve can be connected to a machine tool;

[0008] The inner core has an outer conical surface which matches the inner conical surface of the outer sleeve;

[0009] A positioning hole is arranged on the inner core, and the positioning hole can be matched with the end of the pipe fitting.

[0010] A series of deformation grooves are arranged on the outer circumference of the outer sleeve, and the deformation grooves extend from the first end of the outer sleeve to the second end close to the outer sleeve.

[0011] A through groove is provided on the outer circumference of the outer sleeve, and the through groove passes through the outer sleeve.

[0012] There is one through groove and seven deformation grooves, and the one through groove and the seven deformation grooves are evenly distributed on the outer circumference of the outer sleeve.

[0013] An expansion hole is provided at the outer end of the positioning hole.

[0014] The inner end of the positioning hole is provided with a tapered hole.

[0015] One of the above technical solutions has the following advantages or beneficial effects: it can reliably position the pipe fittings, prevent the pipe fittings from being squeezed and deformed, and the processing is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the top pressing structure of the pipe milling end provided in the embodiment of the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the top pressing structure of the pipe milling end;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the top pressing structure of the pipe milling end;

[0019] Figure 4 for Figure 1 A schematic diagram of the structure of the top pressing structure of the pipe milling end;

[0020] The markings in the above figures are: 1, outer sleeve, 12, inner cone, 13, deformation groove, 14, through groove, 2, inner core, 21, outer cone, 22, positioning hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 , a pipe milling end top pressing structure, comprising:

[0023] The outer sleeve 1 is provided with a through hole inside, and the cross section of the through hole is conical; the outer sleeve 1 can be connected to the machine tool; the inner core 2 has an outer cone 21 on its outer periphery that matches the inner cone 12 of the outer sleeve 1; the positioning hole 22 is provided on the inner core 2, and the positioning hole 22 can match the end of the pipe fitting. The pipe fitting is positioned on the inner core 2, and the inner core 2 is installed in the outer sleeve 1, and the outer sleeve 1 is installed on the chuck of the machine tool to avoid the chuck directly clamping the pipe fitting, prevent the pipe fitting from being squeezed and deformed, and the processing is stable and reliable. At the same time, in order to process pipe fittings of different specifications, the inner core 2 of different specifications can be replaced.

[0024] A series of deformation grooves 13 are provided on the outer circumference of the outer sleeve 1, and the deformation grooves 13 extend from the first end of the outer sleeve 1 to the second end close to the outer sleeve 1. The outer sleeve 1 and the inner core 2 are connected through a conical surface, and a series of deformation grooves 13 are provided on the outer sleeve 1, which can be squeezed and expanded when the conical surface is connected, and the connection is more stable and reliable.

[0025] A through groove 14 is provided on the outer circumference of the outer sleeve 1, and the through groove 14 runs through the outer sleeve 1. The through groove 14 can also be squeezed and expanded when the conical surface is connected, so that the connection is more stable and reliable.

[0026] There is one through groove 14 and seven deformation grooves 13, and the through groove 14 and the seven deformation grooves 13 are evenly distributed on the outer circumference of the outer sleeve 1, so that the outer sleeve 1 expands evenly when expanding.

[0027] The outer end of the positioning hole 22 is provided with a reamer hole. The inner end of the positioning hole 22 is provided with a tapered hole to facilitate the installation of the pipe fitting in the positioning hole 22.

[0028] After adopting the above structure, the pipe fitting can be reliably positioned to prevent the pipe fitting from being squeezed and deformed, and the processing is stable and reliable.

[0029] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe milling end pressing structure, characterized in that: have: An outer sleeve, wherein a through hole is provided inside the outer sleeve, and the cross section of the through hole is conical; the outer sleeve can be connected to a machine tool; The inner core has an outer conical surface which matches the inner conical surface of the outer sleeve; A positioning hole is arranged on the inner core, and the positioning hole can be matched with the end of the pipe fitting.

2. The pipe milling end pressing structure according to claim 1, characterized in that: A series of deformation grooves are arranged on the outer circumference of the outer sleeve, and the deformation grooves extend from the first end of the outer sleeve to the second end close to the outer sleeve.

3. The pipe milling end pressing structure according to claim 2, characterized in that: A through groove is provided on the outer circumference of the outer sleeve, and the through groove passes through the outer sleeve.

4. The pipe milling end pressing structure according to claim 3, characterized in that: There is one through groove and seven deformation grooves, and the one through groove and the seven deformation grooves are evenly distributed on the outer circumference of the outer sleeve.

5. The pipe milling end pressing structure according to claim 4, characterized in that: An expansion hole is provided at the outer end of the positioning hole.

6. The pipe milling end pressing structure according to claim 5, characterized in that: The inner end of the positioning hole is provided with a tapered hole.

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