Bent pipe clamping tool

Abstract

The utility model relates to the technical field of bent pipe flanges, in particular to a bent pipe clamping tool which comprises a base, a support and a gland. The support is of an L-shaped structure, the top of the support is a horizontal section, and the vertical section of the support is connected with the base. The bent pipe clamping tool comprises the base, the support and the gland, the gland is flush with the horizontal section of the support and is detachably connected with the horizontal section of the support, a gap allowing the bent pipe to penetrate through exists between the gland and the support, when the bent pipe clamping tool is installed, a workpiece can be positioned only by adjusting the gap between the side face of a bent pipe flange and the installation position of the support to be uniform, then the gland is pressed, and the bent pipe is clamped. Therefore, the bent pipe flange can be clamped and sent to a subsequent machining process. The labor intensity of operators is reduced, the scribing process is omitted, the production efficiency is improved, and the production cost is reduced. Due to the fact that the tool has a positioning function, an operator only needs to clamp and align for the first time, and repeated labor and auxiliary time are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bent pipe flanges, in particular to a bent pipe clamping tool. Background Art

[0002] Elbow flanges are mostly used for flange connections or flange joints, which refers to a detachable connection in which flanges, gaskets and bolts are connected to each other as a combined sealing structure.

[0003] Since the product has an irregular shape and is difficult to clamp, the old process uses a special shim in combination with a vertical lathe for clamping. The flange end faces are first machined, then the installation hole lines are marked, and finally holes are drilled using a drill press. For example, a Chinese patent with publication number CN110893470A discloses a sharp-angle pipe bending fixture, which is difficult to clamp and align, has high requirements on the operator's skills, and requires a marking process before processing. Utility Model Content

[0004] In view of the above problems, the utility model provides a bending pipe clamping tool.

[0005] The adopted technical solution is a pipe bending clamping tool, comprising a base, a bracket and a gland;

[0006] The bracket is in an "L"-shaped structure, and the top of the bracket is a horizontal section, and the vertical section of the bracket is connected to the base;

[0007] The pressure cover is flush with the horizontal section of the bracket and is detachably connected to the horizontal section of the bracket. There is a gap between the pressure cover and the bracket for the bent pipe to pass through.

[0008] Optionally, a limiting groove is provided on the horizontal section of the bracket, and the shape of the limiting groove is matched with the terminal at the end of the bent pipe.

[0009] Optionally, a first arc-shaped hole and a slot are provided on a side of the horizontal section of the bracket facing the pressure cover, a first perforation and a second perforation are provided on the limiting groove, and the first perforation and the second perforation are respectively provided on both sides of the first arc-shaped hole and connected to the slot.

[0010] Optionally, a protrusion is provided on the vertical section of the bracket, and the projection of the protrusion is located within the projection of the first arc-shaped hole.

[0011] Optionally, a second arc-shaped hole is provided on one side of the gland facing the horizontal section of the bracket, and the second arc-shaped hole can fit with the first arc-shaped hole.

[0012] Optionally, a horizontal section of the pressure cover facing the bracket is provided with ear plates and grooves, respectively, and the ear plates and grooves are respectively provided on both sides of the second arc-shaped hole.

[0013] Optionally, the ear plate can be inserted into the slot and can be detachably connected to the bracket via a third limiting bolt that passes through the second through hole and the ear plate;

[0014] A hinge bolt is inserted into the groove, passes through the slot, and is connected to a limit block in the slot;

[0015] A hinge pin is inserted into the first through hole, and the hinge pin passes through the limiting block.

[0016] The beneficial effects of the present utility model include at least one of the following:

[0017] 1. By setting up a pipe bending clamping tool including a base, a bracket and a pressure cover, during installation, it is only necessary to adjust the gap between the side of the pipe bending flange and the bracket installation position to be uniform, the workpiece is positioned, and then the pressure cover is pressed on to complete the clamping of the pipe bending flange and send it to the subsequent processing process.

[0018] 2. It reduces the labor intensity of operators, omits the marking process, improves production efficiency, and reduces production costs. Since the tooling has a positioning function, the operator only needs to align the first clamping, reducing repeated labor and auxiliary time.

[0019] 3. It solves the problem of needing to reposition and align each product in existing clamping tools or clamping processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of a bending pipe clamping tooling structure;

[0021] Figure 2 A schematic diagram of a pipe bending clamping tooling structure from another angle;

[0022] Figure 3 It is a schematic diagram of a top view structure of a pipe bending clamping tool;

[0023] Figure 4 is a schematic diagram of the support structure;

[0024] Figure 5 It is a schematic diagram of the gland structure;

[0025] Figure 6 This is a schematic diagram of the gland structure at another angle;

[0026] The figure marks are: 1 is the base, 2 is the bracket, 3 is the pressure cover, 4 is the elbow, 5 is the hinge bolt, 6 is the nut, 7 is the elbow flange, 8 is the groove, 9 is the slot, 10 is the hinge pin, 11 is the limit groove, 13 is the third limit bolt, 14 is the ear plate, 15 is the first through hole, 16 is the first arc hole, 17 is the protrusion, 18 is the second through hole, 19 is the second arc hole, and 20 is the limit block. DETAILED DESCRIPTION

[0027] The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0028] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0029] like Figures 1 to 6 As shown, a pipe bending clamping tool comprises a base 1, a bracket 2 and a gland 3;

[0030] The bracket 2 is in an "L"-shaped structure, and the top of the bracket 2 is a horizontal section, and the vertical section of the bracket 2 is connected to the base 1;

[0031] The pressure cover 3 is flush with the horizontal section of the bracket 2 and is detachably connected to the horizontal section of the bracket 2. There is a gap between the pressure cover 3 and the bracket 2 for the elbow 4 to pass through.

[0032] The purpose of this design is to set up a pipe bending clamping tooling including a base, a bracket and a gland. When installing, it is only necessary to adjust the gap between the side of the pipe bending flange and the bracket installation position to be uniform, and then the workpiece is positioned. Then, the gland is pressed on to complete the clamping of the pipe bending flange and send it to the subsequent processing process. The labor intensity of the operator is reduced, the marking process is omitted, the production efficiency is improved, and the production cost is reduced. Since the tooling has a positioning function, the operator only needs to align the first clamping, which reduces repeated labor and auxiliary time. It solves the problem that each product needs to be repositioned and aligned in the existing clamping tooling or clamping process.

[0033] In this embodiment, a limiting groove 11 is provided on the horizontal section of the bracket 2 , and the shape of the limiting groove 11 is adapted to the terminal 12 at the end of the bent pipe 4 .

[0034] At the same time, a first arc-shaped hole 16 and a slot 9 are provided on the side of the horizontal section of the bracket 2 facing the pressure cover 3, a first perforation 15 and a second perforation 18 are provided on the limiting groove 11, and the first perforation 15 and the second perforation 18 are respectively provided on both sides of the first arc-shaped hole 16 and are connected with the slot 9, and a second arc-shaped hole 19 is provided on the side of the horizontal section of the pressure cover 3 facing the bracket 2, and the second arc-shaped hole 19 can fit with the first arc-shaped hole 16.

[0035] The purpose of such a design is that the first arc-shaped hole and the second arc-shaped hole are provided so that the elbow can pass therethrough, and after the position of the elbow flange at the end of the elbow is set, it can be fixed through the corresponding perforations.

[0036] In this embodiment, a protrusion 17 is provided on the vertical section of the bracket 2 , and the projection of the protrusion 17 is located within the projection of the first arc-shaped hole 16 .

[0037] The purpose of such a design is that, through the provided protrusion, it is possible to push out and support the bent pipe toward the lower part of the bracket, so as to facilitate its bending and turning.

[0038] In this embodiment, a connection method between the gland and the bracket is provided, and the gland 3 is provided with an ear plate 14 and a groove 3 on one side of the horizontal section facing the bracket 2, and the ear plate 14 and the groove 8 are respectively provided on both sides of the second arc-shaped hole 19, and the ear plate 14 can be inserted into the slot 9, and can be detachably connected to the bracket 2 through the third limiting bolt 13 that passes through the second through hole 18 and the ear plate 14;

[0039] The hinge bolt 5 is inserted into the groove 8, and the hinge bolt 5 passes through the slot 9 and is connected to the limit block 20 in the slot 9;

[0040] The hinge pin 10 is inserted into the first through hole 15 , and the hinge pin 10 passes through the limiting block 20 .

[0041] The purpose of such a design is to fix the gland and the bracket from three angles through the second limiting bolt, the hinge bolt and the third limiting bolt after the elbow flange is positioned.

[0042] At the same time, after the gland and bracket are fixed, additional perforations begin to appear on the bracket, such as Figure 4 As shown, these perforations can be used to fix the elbow flange to the bracket, so that the elbow flange is not easy to loosen in the subsequent manufacturing process.

[0043] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe bending clamping tool, characterized in that: It comprises a base (1), a bracket (2) and a gland (3); The support (2) is in an "L"-shaped structure, and the top of the support (2) is a horizontal section, and the vertical section of the support (2) is connected to the base (1); The gland (3) is flush with the horizontal section of the bracket (2) and is detachably connected to the horizontal section of the bracket (2); a gap exists between the gland (3) and the bracket (2) for the elbow (4) to pass through.

2. A pipe bending clamping tool according to claim 1, characterized in that: A limiting groove (11) is provided on the horizontal section of the bracket (2), and the shape of the limiting groove (11) is compatible with the terminal (12) at the end of the bent pipe (4).

3. A pipe bending clamping tool according to claim 2, characterized in that: A first arc-shaped hole (16) and a slot (9) are provided on a side of the horizontal section of the bracket (2) facing the gland (3), and a first through hole (15) and a second through hole (18) are provided on the limiting groove (11), and the first through hole (15) and the second through hole (18) are respectively provided on both sides of the first arc-shaped hole (16) and are connected to the slot (9).

4. A pipe bending clamping tool according to claim 3, characterized in that: A protrusion (17) is provided on the vertical section of the bracket (2), and the projection of the protrusion (17) is located within the projection of the first arc-shaped hole (16).

5. The pipe bending clamping tool according to claim 3, characterized in that: A second arc-shaped hole (19) is provided on one side of the horizontal section of the gland (3) facing the bracket (2), and the second arc-shaped hole (19) can fit with the first arc-shaped hole (16).

6. A pipe bending clamping tool according to claim 5, characterized in that: A lug plate (14) and a groove (8) are respectively provided on one side of the horizontal section of the gland (3) facing the bracket (2), and the lug plate (14) and the groove (8) are respectively provided on both sides of the second arc-shaped hole (19).

7. A pipe bending clamping tool according to claim 6, characterized in that: The ear plate (14) can be inserted into the slot (9) and can be detachably connected to the bracket (2) via a third limiting bolt (13) that passes through the second through hole (18) and the ear plate (14); A hinge bolt (5) is inserted into the groove (8), and the hinge bolt (5) passes through the slot (9) and is connected to a limit block (20) in the slot (9); A hinge pin (10) is inserted into the first through hole (15), and the hinge pin (10) passes through the limiting block (20).

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