Thin-wall pipe fitting inner hole supporting device

Abstract

A thin-wall pipe fitting inner hole supporting device relates to the technical field of pipe fitting processing equipment, and comprises a supporting ring, a plurality of supporting rods and a plurality of supporting rods, the adjusting mechanism comprises a mounting part, an assembling part and an adjusting part, the mounting part and the assembling part are arranged on the two opposite side walls of the fracture in a one-to-one correspondence mode, the adjusting part is arranged between the mounting part and the assembling part, the assembling part is arranged between the inner side and the outer side of the mounting part in a sliding mode, the adjusting part is arranged between the inner side and the outer side of the mounting part, and the adjusting part abuts against the assembling part in a sliding mode; the supporting ring is coaxially placed in the inner hole of the thin-wall pipe fitting, then the adjusting part is operated to move towards the interior of the mounting part, the assembling part slides towards the outer side of the mounting part through relative sliding of the adjusting part and the assembling part, so that the fracture of the supporting ring is enlarged, the supporting ring is enlarged, and the supporting ring is attached to the inner wall of the thin-wall pipe fitting; and it can be guaranteed that the supporting ring has good supporting stability on the thin-wall pipe fitting.

Description

Technical Field

[0001] The invention relates to the technical field of pipe fitting processing equipment, and in particular to an inner hole supporting device for a thin-walled pipe fitting. Background Art

[0002] The traditional processing method for the outer circle of thin-walled pipe fittings is: after drilling, boring and honing the inner hole, directly fine-turn the outer circle or fill the inner hole with sand and then fine-turn the outer circle; in the method of directly fine-turning the outer circle, the workpiece is easily deformed due to the squeeze of the tool during the process of turning the outer circle; and in the method of filling the inner hole with sand and then fine-turning the outer circle, although it can ensure that the workpiece will not be deformed during the process of turning the outer circle, the subsequent sand removal and cleaning are more troublesome.

[0003] In order to solve the above problems, a Chinese invention with publication number CN107984248A discloses an inner hole support device for a thin-walled rotating body part, which includes: an adjusting nut, a spring screw, a connecting block and an adjusting block, wherein there are six spring screws and five connecting blocks, the six spring screws are connected to the five connecting blocks alternately and sequentially, the head end spring screw is fixedly connected to the threaded hole of the adjusting block, and the end of the terminal spring screw is installed in the light hole of the adjusting block through the adjusting nut.

[0004] Although the support device of the above patent can support the inner hole of the thin-walled pipe fitting, since the six spring screws are connected together by the connection block and the adjustment block, and the spring screws themselves are easy to deform, the support strength of the support device is insufficient. During the processing of the thin-walled pipe fitting, the thin-walled pipe fitting and the device will deform synchronously when squeezed by the tool, thereby affecting the processing quality of the thin-walled pipe fitting. Summary of the invention

[0005] In view of the deficiencies existing in the prior art, the present invention provides a thin-walled pipe inner hole support device, which solves the problems of low support strength and easy deformation of the support device in the prior art.

[0006] A thin-walled pipe inner hole support device, comprising:

[0007] A support ring, a side wall of which is provided with a fracture; and

[0008] The adjusting mechanism comprises a mounting portion and an assembling portion which are arranged on two opposite side walls of the fracture in a one-to-one correspondence, and an adjusting portion which is arranged between the mounting portion and the assembling portion, wherein the assembling portion is slidably arranged between the inner and outer sides of the mounting portion, the adjusting portion is arranged between the inner and outer sides of the mounting portion, and the adjusting portion and the assembling portion are slidably abutted against each other;

[0009] The operating adjustment portion moves between the inner and outer sides of the mounting portion to adjust the fracture size of the support ring through the assembling portion.

[0010] Compared with the prior art, the present invention has the following beneficial effects: when in use, the support ring is coaxially placed inside the inner hole of the thin-walled pipe fitting, and then the adjusting part is operated to move into the mounting part, and the mounting part slides relative to the adjusting part and the assembling part so that the assembling part slides toward the outside of the mounting part to increase the fracture of the support ring, thereby expanding the support ring and making the support ring fit the inner wall of the thin-walled pipe fitting; the operation is simple and convenient, and the support ring is an integrated structure with good supporting strength. At the same time, the matching between the adjusting part, the mounting part and the assembling part is stable, which can ensure that the support ring has good supporting stability for the thin-walled pipe fitting.

[0011] Preferably, the mounting portion comprises an adjusting block arranged on a side wall corresponding to the fracture, the assembling portion is slidably arranged between the inner and outer sides of the adjusting block, and the adjusting portion is arranged between the inner and outer sides of the adjusting block in a direction perpendicular to the end face of the support ring.

[0012] Preferably, a slot is provided on the side wall of the adjustment block facing the assembly part, a threaded hole connected to the slot is provided on one of the side walls of the adjustment block parallel to the end face of the support ring, the assembly part is slidably arranged between the inner and outer sides of the slot, and the adjustment part is threadedly connected to the threaded hole.

[0013] Preferably, the assembly portion includes an adjustment pin with one end plugged into the corresponding side wall of the fracture, and the other end of the adjustment pin is slidably inserted between the inner and outer sides of the slot, and the adjustment portion and the adjustment pin are slidably opposed to each other.

[0014] Preferably, the adjustment part includes a screw that freely passes through the threaded hole and is threadedly connected thereto, the screw includes an operating end located outside the threaded hole and a contact end inserted into the slot, the contact end is a conical structure, and one end of the adjustment pin located in the slot slides against the side wall of the contact end.

[0015] Preferably, one end of the adjustment pin located in the slot is a slope structure with the same inclination direction as the side wall of the contact end.

[0016] Preferably, the adjusting block is detachably connected to the side wall corresponding to the fracture through a connecting piece.

[0017] Preferably, a mounting groove is provided on the side wall corresponding to the fracture, and the connecting member comprises a fixing block fixedly installed on the side wall of the adjusting block facing the mounting groove, and the fixing block is plug-fitted with the mounting groove.

[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a schematic structural diagram of an embodiment of the present invention.

[0020] Figure 2 for Figure 1 sectional view of .

[0021] Figure 3 for Figure 1 Schematic diagram of the structure of the middle adjustment block.

[0022] Figure 4 for Figure 1 Schematic diagram of the structure of the screw.

[0023] Figure 5 for Figure 2 Schematic diagram of the structure of the middle adjustment pin.

[0024] The numbers in the figure are: 1, support ring; 11, fracture; 12, mounting groove; 2, adjustment block; 21, slot; 22, threaded hole; 3, fixing block; 4, screw; 41, operating end; 42, contact end; 5, adjustment pin. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and functions of the present invention clearer and easier to understand, the present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0026] like Figure 1-2 As shown, an embodiment of the present invention provides an inner hole support device for a thin-walled pipe fitting, comprising: a support ring 1, a fracture 11 is opened on its side wall; and an adjustment mechanism, which includes a mounting portion and an assembly portion which are arranged one-to-one on two opposite side walls of the fracture 11, and an adjustment portion arranged between the mounting portion and the assembly portion, the assembly portion is slidably arranged between the inner and outer sides of the mounting portion, the adjustment portion is arranged between the inner and outer sides of the mounting portion, and the adjustment portion and the assembly portion slide against each other; preferably, the support ring 1 is made of elastic material so that the support ring 1 can have good elastic deformation ability.

[0027] Place the support ring 1 coaxially inside the inner hole of the thin-walled pipe fitting, and then operate the adjusting part to move into the mounting part. Through the relative sliding of the adjusting part and the assembling part, the assembling part slides toward the outside of the mounting part to increase the fracture 11 of the support ring 1, thereby expanding the support ring 1, so that the support ring 1 fits the inner wall of the thin-walled pipe fitting; the operation is simple and convenient, and the support ring 1 is an integrated structure with good supporting strength. At the same time, the matching between the adjusting part, the mounting part and the assembling part is stable, which can ensure that the support ring 1 has good supporting stability for the thin-walled pipe fitting.

[0028] like Figure 1-3As shown, according to another embodiment of the present invention, the thin-walled pipe inner hole support device further optimizes the mounting portion included therein, and the mounting portion includes an adjusting block 2 arranged on the side wall corresponding to the fracture 11, and the assembly portion is slidably penetrated between the inner and outer sides of the adjusting block 2, and the adjusting portion is arranged between the inner and outer sides of the adjusting block 2 in a direction perpendicular to the end face of the support ring 1; and preferably, the adjusting block 2 and the side wall corresponding to the fracture 11 are detachably connected through a connecting piece; a mounting groove 12 is provided on the side wall corresponding to the fracture 11, and the connecting piece includes a fixing block 3 fixedly installed on the side wall of the adjusting block 2 facing the mounting groove 12, and the fixing block 3 is plugged into the mounting groove 12; according to the size of the fracture 11 on the support ring 1 that needs to be adjusted, adjusting blocks 2 of different lengths can be installed, so that the support ring 1 has a wider range of uses and better applicability.

[0029] like Figure 1-5 As shown, according to another embodiment of the present invention, the thin-walled pipe inner hole support device further optimizes the assembly part and the adjustment part it includes, and a slot 21 is provided on the side wall of the adjustment block 2 facing the assembly part, and a threaded hole 22 connected to the slot 21 is provided on one of the side walls of the adjustment block 2 parallel to the end face of the support ring 1, and the assembly part is slidably arranged between the inner and outer sides of the slot 21, and the adjustment part is threadedly connected to the threaded hole 22.

[0030] The assembly part includes an adjusting pin 5 whose one end is plugged into the side wall corresponding to the fracture 11, and the other end of the adjusting pin 5 is slidably inserted between the inner and outer sides of the slot 21, and the adjusting part and the adjusting pin 5 slide against each other; and preferably, in order to ensure the sliding stability of the adjusting pin 5, the diameter of the slot 21 is slightly larger than the diameter of the adjusting pin 5, and the adjusting pin 5 can also be adaptively replaced according to the size of the fracture 11 on the support ring 1 that needs to be adjusted and the length of the adjusting block 2.

[0031] The adjusting portion includes a screw 4 which freely passes through a threaded hole 22 and is threadedly connected thereto, the screw 4 includes an operating end 41 located outside the threaded hole 22 and a contact end 42 which penetrates into the slot 21, the contact end 42 is a conical structure, and one end of the adjusting pin 5 located in the slot 21 slides against the side wall of the contact end 42; and preferably, the end of the adjusting pin 5 located in the slot 21 is a slope structure with the same inclination direction as the side wall of the contact end 42; the contact end 42 of the screw 4 cooperates with the adjusting pin 5 in such a way that the circumferential rotation of the screw 4 is converted into the axial movement of the adjusting pin 5, and this process is irreversible, so that the support ring 1 cannot shrink autonomously.

[0032] The operating principle of the present invention is as follows: when the present invention is used, the support ring 1 is coaxially placed inside the inner hole of the thin-walled pipe fitting, and then the operating end 41 of the screw 4 is rotated to make the screw 4 and the threaded hole 22 rotate relative to each other, driving the contact end 42 of the screw 4 to move in the direction of the slot 21, so that the contact end 42 of the screw 4 and one end of the adjusting pin 5 located in the slot 21 slide relative to each other, so as to push the adjusting pin 5 to slide outside the slot 21, thereby increasing the fracture 11 of the support ring 1, and expanding the support ring 1, so that the support ring 1 fits the inner wall of the thin-walled pipe fitting, and then the outer circle of the thin-walled pipe fitting is processed, and after the processing is completed, the operating end 41 of the screw 4 is rotated in the opposite direction to make the screw 4 and the threaded hole 22 slide relative to each other, and under the action of the elastic force of the support ring 1 itself, the adjusting pin 5 slides into the slot 21 to reduce the fracture 11 of the support ring 1, so that the support ring 1 is separated from the inner wall of the thin-walled pipe fitting, and the support ring 1 can be taken out.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A thin-walled pipe inner hole support device, characterized in that: include: A support ring (1) having a fracture (11) formed on its side wall; as well as The adjusting mechanism comprises a mounting portion and an assembling portion which are arranged on two opposite side walls of the fracture (11) in a one-to-one correspondence, and an adjusting portion which is arranged between the mounting portion and the assembling portion, the assembling portion being slidably arranged between the inner and outer sides of the mounting portion, the adjusting portion being arranged between the inner and outer sides of the mounting portion, and the adjusting portion and the assembling portion being slidably abutted against each other; The operating adjustment part moves between the inner and outer sides of the mounting part to adjust the size of the fracture (11) of the support ring (1) through the assembly part.

2. A thin-walled pipe inner hole support device according to claim 1, characterized in that: The mounting portion comprises an adjusting block (2) arranged on a side wall corresponding to the fracture (11), the assembly portion is slidably arranged between the inner and outer sides of the adjusting block (2), and the adjusting portion is arranged between the inner and outer sides of the adjusting block (2) in a direction perpendicular to the end face of the support ring (1).

3. A thin-walled pipe inner hole support device according to claim 2, characterized in that: The adjusting block (2) is provided with a slot (21) on a side wall facing the assembly portion, and a threaded hole (22) communicating with the slot (21) is provided on one side wall of the adjusting block (2) parallel to the end surface of the support ring (1). The assembly portion is slidably arranged between the inner and outer sides of the slot (21), and the adjusting portion is threadedly connected to the threaded hole (22).

4. A thin-walled pipe inner hole support device according to claim 3, characterized in that: The assembly portion comprises an adjustment pin (5) with one end plugged into a corresponding side wall of the fracture (11); the other end of the adjustment pin (5) is slidably inserted between the inner and outer sides of the slot (21); and the adjustment portion and the adjustment pin (5) are slidably opposed to each other.

5. A thin-walled pipe inner hole support device according to claim 4, characterized in that: The adjusting portion comprises a screw (4) freely passing through a threaded hole (22) and being threadedly connected thereto, the screw (4) comprising an operating end (41) located outside the threaded hole (22) and a contact end (42) inserted into a slot (21), the contact end (42) being a conical structure, and one end of the adjusting pin (5) located in the slot (21) slidingly abuts against a side wall of the contact end (42).

6. A thin-walled pipe inner hole support device according to claim 5, characterized in that: One end of the adjustment pin (5) located in the slot (21) is a slope structure with the same inclination direction as the side wall of the contact end (42).

7. A thin-walled pipe inner hole support device according to claim 2, characterized in that: The adjustment block (2) is detachably connected to the side wall corresponding to the fracture (11) via a connecting piece.

8. A thin-walled pipe inner hole support device according to claim 7, characterized in that: A mounting groove (12) is provided on the side wall corresponding to the fracture (11), and the connecting member comprises a fixing block (3) fixedly mounted on the side wall of the adjusting block (2) facing the mounting groove (12), and the fixing block (3) is plug-fitted into the mounting groove (12).

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