Rounding device used after pipe fitting welding

Abstract

The utility model discloses a pipe fitting post-welding rounding device which comprises a bottom plate, a pushing assembly is arranged on the right side of the top of the bottom plate, a mounting seat is fixedly connected to the left side of the top of the bottom plate, a polishing assembly is arranged on the right side of the mounting seat, a fixing mechanism is arranged in the mounting seat, and the fixing mechanism comprises a fixing assembly and a polishing assembly. Comprising a rotating fluted disc rotationally mounted in a mounting base, an arc-shaped groove is formed in the surface of the rotating fluted disc, an inclined groove is formed in the surface of the rotating fluted disc, and a fixing block slides in the rotating fluted disc through a transmission assembly; the utility model relates to the technical field of pipe fitting machining. According to the rounding device for the welded pipe fittings, under the driving of the driving motor, the three sets of fixing blocks synchronously slide towards the center, so that the pipe fittings of different sizes are clamped and fixed, the pipe fittings are kept stable in the subsequent rounding operation, and the rounding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting processing, in particular to a pipe fitting rounding device after welding. Background Art

[0002] The reference patent name is: A device for grinding round tubes after welding (patent publication number: CN220161976U, patent publication date: 2023.12.12). By setting a grinding mechanism, the grinding mechanism can be used to grind the weld after the pipe welding is completed, so that the wall thickness of the pipe is consistent, so that the pipe is relatively uniform when subjected to force and is not easy to break; by setting a pressing mechanism, the adjusting pressure wheel in the pressing mechanism can pre-flatten the welded part before cooling after welding, further reduce the thickness of the weld, and facilitate grinding by the grinding mechanism; by setting a center reference mandrel, the setting of the center reference mandrel can prevent the pipe from being concave and out of round during the process of adjusting the pressure wheel pressing down the weld and the grinding wheel grinding the weld.

[0003] However, when implementing the above technical solution, the following problems exist: the above technical solution lacks a fixing structure and cannot fix pipes of different sizes, thereby failing to maintain the stability of the pipes during the grinding process. For this reason, the utility model provides a device for rounding pipes after welding. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a device for rounding pipe fittings after welding, which solves the problem that the existing rounding devices lack a fixing structure and cannot fix pipe fittings of different sizes, thereby failing to maintain the stability of the pipe fittings during the grinding process.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: a device for rounding pipe fittings after welding, comprising a bottom plate, a pushing assembly is provided on the right side of the top of the bottom plate, a mounting seat is fixedly connected to the left side of the top of the bottom plate, a grinding assembly is provided on the right side of the mounting seat, and a fixing mechanism is provided inside the mounting seat, and the fixing mechanism includes:

[0006] The fixing assembly comprises a rotating toothed disc rotatably mounted inside the mounting seat, wherein the surface of the rotating toothed disc is provided with an arc groove, the surface of the rotating toothed disc is provided with an oblique groove, and the interior of the rotating toothed disc is used to make the fixing block slide through the transmission assembly;

[0007] The driving assembly is arranged on the top of the mounting seat and is used for driving the rotating gear disc to rotate.

[0008] Preferably, the transmission assembly includes a limit block installed on the inner wall of the mounting seat, the surface of the limit block is slidably connected with a transmission plate, one end of the transmission plate is fixedly connected to one side of the fixed block, and the other end of the transmission plate is slidably connected to the inner surface of the arc groove through the transmission block.

[0009] Preferably, the driving assembly includes a driving motor mounted on the top of the mounting seat, one end of the output shaft of the driving motor is fixedly connected to a driving gear via a coupling, and the surface of the driving gear is meshed with the surface of the rotating gear disc.

[0010] Preferably, a positioning block is fixedly connected to the inner wall of the mounting seat, and the surface of the positioning block is slidably connected to the inner surface of the inclined groove.

[0011] Preferably, the grinding assembly includes a control motor installed on the top of the mounting seat and a rotating gear disk rotatably installed on the right side of the mounting seat, one end of the output shaft of the control motor is fixedly connected to the control gear through a coupling, the surface of the control gear is meshed with the surface of the rotating gear disk, one side of the rotating gear disk enables the grinding motor to slide through a linkage assembly, and one end of the output shaft of the grinding motor is fixedly connected to the grinding disk through a coupling.

[0012] Preferably, the linkage assembly includes a connecting plate installed on the right side of the rotating gear disc, the top of the connecting plate is fixedly connected to a driving cylinder, and one side of the driving cylinder is fixedly connected to the top of the grinding motor through a piston rod.

[0013] Beneficial Effects

[0014] The utility model provides a device for rounding pipes after welding. Compared with the prior art, it has the following advantages:

[0015] Beneficial effects:

[0016] (1) The pipe rounding device after welding, driven by a driving motor, causes three sets of fixing blocks to slide synchronously toward the center, thereby clamping and fixing pipes of different sizes, so that the pipes remain stable in subsequent rounding operations, thereby improving the rounding quality.

[0017] (2) The device for rounding the pipe after welding is provided with a grinding assembly to achieve a comprehensive grinding operation on the welding part of the pipe surface. By adjusting the driving cylinder, the grinding disc can perform round grinding on pipes of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the external structure of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the external structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the mounting base of the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the fixing assembly of the utility model;

[0022] Figure 5 It is a three-dimensional schematic diagram of the linkage assembly of the utility model.

[0023] In the figure: 1-base plate, 2-pushing assembly, 3-mounting seat, 4-grinding assembly, 41-control motor, 42-rotating toothed disc, 43-control gear, 44-linkage assembly, 441-connecting plate, 442-driving cylinder, 45-grinding motor, 46-grinding disc, 5-fixing mechanism, 51-fixing assembly, 511-rotating toothed disc, 512-arc groove, 513-oblique groove, 514-fixing block, 52-driving assembly, 521-driving motor, 522-driving gear, 6-transmission assembly, 61-limiting block, 62-transmission plate, 7-positioning block. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5 , the utility model provides two technical solutions:

[0026] Embodiment 1

[0027] A device for rounding pipe fittings after welding comprises a bottom plate 1, a push assembly 2 is arranged on the right side of the top of the bottom plate 1, the push assembly comprises a push motor, a screw rod, a slide plate and an external support structure, the external support structure is a prior art, and is used to externally support and fix the pipe fitting, the screw rod is driven to rotate by the push motor, the slide plate slides on the surface of the screw rod, so that the external support structure drives the pipe fitting to move synchronously, so that the welding part of the pipe fitting is located below the grinding disc, which is convenient for subsequent grinding operations, the push motor is a three-phase asynchronous motor, and is connected to the external circuit through wires, a mounting seat 3 is fixedly connected to the left side of the top of the bottom plate 1, a notch is provided on the top of the mounting seat 3, which is convenient for the rotation of the rotating toothed disc 511, a notch is provided inside the mounting seat 3 for the pipe fitting to pass through, a grinding assembly 4 is arranged on the right side of the mounting seat 3, a fixing mechanism 5 is arranged inside the mounting seat 3, and the fixing mechanism 5 comprises:

[0028] The fixing assembly 51 includes a rotating toothed disc 511 rotatably mounted inside the mounting seat 3, an arc groove 512 is provided on the surface of the rotating toothed disc 511, an oblique groove 513 is provided on the surface of the rotating toothed disc 511, and a fixing block 514 slides inside the rotating toothed disc 511 through the transmission assembly 6, and the fixing block 514 is an arc block;

[0029] The driving assembly 52 is arranged on the top of the mounting seat 3 and is used to drive the rotating gear disc 511 to rotate. The transmission assembly 6 includes a limit block 61 installed on the inner wall of the mounting seat 3. The surface of the limit block 61 is slidably connected with a transmission plate 62. One end of the transmission plate 62 is fixedly connected to one side of the fixed block 514. The other end of the transmission plate 62 is slidably connected to the inner surface of the arc groove 512 through the transmission block. The driving assembly 52 includes a driving motor 521 installed on the top of the mounting seat 3. The driving motor 521 is a three-phase asynchronous motor and is connected to the outside through wires. Circuit connection, one end of the output shaft of the driving motor 521 is fixedly connected to the driving gear 522 through a coupling, the surface of the driving gear 522 is meshed with the surface of the rotating gear plate 511, the inner wall of the mounting seat 3 is fixedly connected with a positioning block 7, the surface of the positioning block 7 is slidably connected to the inner surface of the inclined groove 513, and driven by the driving motor 521, the three groups of fixing blocks 514 slide toward the center synchronously, so as to clamp and fix pipes of different sizes, so that the pipes remain stable in the subsequent rounding operation, thereby improving the rounding quality.

[0030] Embodiment 2

[0031] The main difference from the first embodiment is:

[0032] A pipe fitting rounding device after welding, the grinding assembly 4 includes a control motor 41 installed on the top of the mounting seat 3 and a rotating toothed disc 42 rotatably installed on the right side of the mounting seat 3, the control motor 41 is a three-phase asynchronous motor, and is connected to an external circuit through wires, one end of the output shaft of the control motor 41 is fixedly connected to a control gear 43 through a coupling, the surface of the control gear 43 is meshed with the surface of the rotating toothed disc 42, and one side of the rotating toothed disc 42 is connected to the grinding motor 45 through a linkage assembly 44 to slide, the grinding motor 45 is a three-phase asynchronous motor, and is connected to an external circuit through wires, the grinding motor 45 slides inside the connecting plate 441, and the output of the grinding motor 45 One end of the shaft is fixedly connected to a grinding disc 46 through a coupling, and the linkage assembly 44 includes a connecting plate 441 installed on the right side of the rotating gear disc 42. The top of the connecting plate 441 is fixedly connected to a driving cylinder 442, and the driving cylinder 442 is connected to an external air source through an air pipe. One side of the driving cylinder 442 is fixedly connected to the top of the grinding motor 45 through a piston rod. By providing a grinding assembly 4, a comprehensive grinding operation on the welding part of the surface of the pipe fitting is realized. By adjusting the driving cylinder 442, the grinding disc 46 can perform full-circle grinding on pipe fittings of different sizes. At the same time, the contents not described in detail in this specification belong to the existing technology known to those skilled in the art.

[0033] During operation, the welded pipe is first passed through the mounting seat 3 and sleeved on the surface of the external support device, and the pipe is externally supported and fixed by the external support device. Then, the push motor is started to rotate the electric screw. The rotation of the screw causes the connecting plate, the external support device and the pipe to move to the right, so that the welding part of the pipe is located below the grinding disc 46. Then, the driving motor 521 is started to drive the driving gear 522 to rotate. The rotation of the driving gear 522 causes the rotating toothed disc 511 to rotate. The rotation of the rotating toothed disc 511 causes the positioning block 7 to slide on the inner surface of the inclined groove 513, so that the transmission block at the other end of the transmission plate 62 is in the arc groove 51 2, so that the transmission plate 62 slides on the surface of the limit block 61, so that the three groups of fixed blocks 514 slide toward the center synchronously, and the surface of the pipe fitting is clamped and fixed by the fixed blocks 514. Subsequently, the grinding motor 45 is started to drive the grinding disc 46 to rotate, and the driving cylinder 442 is started to adjust the position of the grinding disc 46, so that the grinding disc 46 fits the welding part of the pipe fitting surface. Finally, the control motor 41 drives the control gear 43 to rotate, and the control gear 43 drives the rotating toothed disc 42 and the connecting plate 441 to rotate synchronously, so that the grinding disc 46 rotates around the pipe fitting, thereby realizing comprehensive grinding of the welding part of the pipe fitting.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] 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 device for rounding a pipe after welding, comprising a bottom plate (1), characterized in that: A pushing assembly (2) is provided on the right side of the top of the base plate (1), a mounting seat (3) is fixedly connected to the left side of the top of the base plate (1), a grinding assembly (4) is provided on the right side of the mounting seat (3), and a fixing mechanism (5) is provided inside the mounting seat (3), and the fixing mechanism (5) comprises: The fixing assembly (51) comprises a rotating toothed disc (511) rotatably mounted inside the mounting seat (3), an arc groove (512) being provided on the surface of the rotating toothed disc (511), an oblique groove (513) being provided on the surface of the rotating toothed disc (511), and a fixing block (514) slidingly moving inside the rotating toothed disc (511) via a transmission assembly (6); The driving assembly (52) is arranged on the top of the mounting seat (3) and is used to drive the rotating toothed disc (511) to rotate.

2. The device for rounding pipes after welding according to claim 1, characterized in that: The transmission assembly (6) comprises a limit block (61) mounted on the inner wall of the mounting seat (3); a transmission plate (62) is slidably connected to the surface of the limit block (61); one end of the transmission plate (62) is fixedly connected to one side of the fixed block (514); and the other end of the transmission plate (62) is slidably connected to the inner surface of the arc groove (512) via the transmission block.

3. The device for rounding pipes after welding according to claim 1, characterized in that: The driving assembly (52) comprises a driving motor (521) mounted on the top of the mounting seat (3); one end of the output shaft of the driving motor (521) is fixedly connected to a driving gear (522) via a coupling; the surface of the driving gear (522) meshes with the surface of the rotating gear disc (511).

4. The device for rounding pipes after welding according to claim 1, characterized in that: A positioning block (7) is fixedly connected to the inner wall of the mounting seat (3), and the surface of the positioning block (7) is slidably connected to the inner surface of the inclined groove (513).

5. The device for rounding pipes after welding according to claim 1, characterized in that: The grinding assembly (4) comprises a control motor (41) mounted on the top of the mounting seat (3) and a rotating toothed disc (42) rotatably mounted on the right side of the mounting seat (3); one end of the output shaft of the control motor (41) is fixedly connected to a control gear (43) via a coupling; the surface of the control gear (43) is meshed with the surface of the rotating toothed disc (42); one side of the rotating toothed disc (42) enables the grinding motor (45) to slide via a linkage assembly (44); and one end of the output shaft of the grinding motor (45) is fixedly connected to a grinding disc (46) via a coupling.

6. The device for rounding pipes after welding according to claim 5, characterized in that: The linkage assembly (44) comprises a connecting plate (441) installed on the right side of the rotating gear disc (42), the top of the connecting plate (441) is fixedly connected to a driving cylinder (442), and one side of the driving cylinder (442) is fixedly connected to the top of the grinding motor (45) via a piston rod.

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