Welding auxiliary device

Abstract

The utility model discloses an auxiliary welding device which comprises a machine frame. The adjusting frame is arranged on the rack; the first rolling mechanism is movably arranged in the adjusting frame, the first rolling mechanism comprises a first mounting frame, a first driving motor and two first rolling wheels, the first driving motor and the two first rolling wheels are arranged on the first mounting frame, and the first driving motor is used for driving the first rolling wheels to rotate in the same direction; the second rolling mechanism is movably arranged in the adjusting frame, the second rolling mechanism comprises a second mounting frame, a second driving motor and two second rolling wheels, the second driving motor and the two second rolling wheels are arranged on the second mounting frame, and the second driving motor is used for driving the second rolling wheels to rotate in the same direction; and the pressing and trimming mechanism is arranged on one side of the rack and is arranged right above the second rolling mechanism. Stable butt joint between the two round steel pipes can be achieved, welding precision can be improved conveniently, and synchronous rotation and limiting and stabilizing effects on the steel pipes can be achieved in the welding process.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe welding, in particular to processing equipment for a welding auxiliary device. Background Art

[0002] Round steel pipe is a steel material with a round cross section, and its use is very wide. In the process of processing steel pipe, it is often necessary to weld and lengthen two steel pipes of different lengths or the same length. For example, the round pipe welding device disclosed in patent number CN213105177U includes two support platforms for horizontally supporting the round pipe to be welded, the support platform includes support legs and support plates, and two adjacent support legs are rotatably connected to the rotating shaft; the support plate is rotatably connected to two rollers for supporting the welded round pipe, and the rollers are parallel to the rotating shaft; the rotating shaft is connected to a pedal through a one-way bearing; a first pulley is installed on the rotating shaft; two second pulleys are also installed on the support platform, and the two second pulleys are connected to the same shaft with the two rollers; the first pulley and the two second pulleys are connected through a belt drive. This type of device can drive the rotation of the steel pipe, which is convenient for welding. However, during the rotation welding process, the steel pipe will deviate and jump when it is not restricted, which affects the welding accuracy and has shortcomings. Utility Model Content

[0003] The utility model aims to avoid the shortcomings of the prior art and provides an auxiliary device for facilitating steel pipe welding.

[0004] The utility model solves the technical problem by adopting the following technical solution: a welding auxiliary device, comprising:

[0005] frame;

[0006] An adjustment frame is provided on the frame;

[0007] A first rolling mechanism movably arranged in the adjustment frame, the first rolling mechanism comprising a first mounting frame, a first driving motor arranged on the first mounting frame, and two first rollers, the first driving motor is used to drive the first rollers to rotate in the same direction;

[0008] A second rolling mechanism movably arranged in the adjustment frame, the second rolling mechanism comprising a second mounting frame, a second driving motor arranged on the second mounting frame, and two second rollers, the second driving motor is used to drive the second rollers to rotate in the same direction;

[0009] A pressing mechanism is arranged on one side of the frame, and the pressing mechanism is arranged directly above the second rolling mechanism. The pressing mechanism includes a supporting frame, a driving cylinder body, a fixing frame and a pressing wheel group. The driving cylinder body is arranged on the supporting frame and connected to the fixing frame. The fixing frame is used to set the pressing wheel group, and the pressing wheel group corresponds to the position of the second roller.

[0010] In several embodiments, a first transmission wheel is sleeved on the output shaft of the first driving motor, and the first transmission wheel is arranged below the two first rollers and cooperates with the two first rollers in transmission.

[0011] In several embodiments, one end of the output shaft passes through the outside of the first transmission wheel and is connected to the connecting shaft, a support column is provided on the second mounting frame, a bearing is provided on the support column, and the connecting shaft passes through the bearing.

[0012] In several embodiments, the first mounting frame includes a first base, and a protective cover and a connecting seat are provided on the first base. The protective cover is provided on the outside of the first driving motor, and the connecting seat is used to accommodate the first roller.

[0013] In several embodiments, a connecting rod is provided in the fixed frame, and the connecting rod is connected to the output end of the driving cylinder body. The pressing wheel group includes a plurality of pressing wheel bodies arranged in parallel and in contact with each other. A third driving motor and a third transmission wheel are provided at one end of the fixed frame. The third transmission wheel rotates with the third driving motor and cooperates with a pressing wheel body for transmission.

[0014] In several embodiments, the adjustment frame includes a base plate and two limit plates arranged on both sides of the base plate, the base plate is provided with a guide rail, the guide rail is arranged below the limit plate, and a plurality of sliders that cooperate with the guide rail transmission are arranged below the first mounting frame and the second mounting frame.

[0015] In several embodiments, a plurality of weight-reducing holes are provided on the limiting plate.

[0016] The beneficial effects of the utility model are:

[0017] The welding auxiliary device in the utility model can realize stable docking between two circular steel pipes, which is convenient for improving welding accuracy. During the welding process, the synchronous rotation and limiting stabilization effect of the steel pipes can be realized, thereby improving the stability of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0019] Figure 1 The structure of the welding auxiliary device in Example 1 is schematically shown;

[0020] Figure 2 Schematically shows Figure 1 The overlooking structure;

[0021] Figure 3Schematically shows Figure 1 The enlarged structure of the first rolling mechanism;

[0022] Figure 4 Schematically shows Figure 3 A partially enlarged structure at another viewing angle;

[0023] Figure 5 Schematically shows Figure 1 Partially enlarged structure of the medium-pressure whole mechanism;

[0024] Figure 6 Schematically shows Figure 1 The enlarged structure of the middle adjustment frame. DETAILED DESCRIPTION

[0025] Below, embodiments of the present invention are described in detail with reference to the accompanying drawings. To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the present invention for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0027] Example 1

[0028] like Figure 1-Figure 4 As shown, the welding auxiliary device provided in this embodiment can be used for welding with manual or mechanical arms, and mainly includes a frame 10, an adjusting frame 20 arranged on the frame 10, a first rolling mechanism 30 movably arranged in the adjusting frame 20, a second rolling mechanism 40 movably arranged in the adjusting frame 20, and a pressing mechanism 50 arranged on one side of the frame 10. A circular steel pipe is respectively supported by the first rolling mechanism 30 and the second rolling mechanism 40, and the steel pipe is stabilized by the pressing mechanism 50, so that the splicing can be stably welded.

[0029] Specifically, the first rolling mechanism 30 includes a first mounting frame 31, a first driving motor 32 and two first rollers 33 arranged on the first mounting frame 31, the first driving motor 32 is used to drive the first rollers 33 to rotate in the same direction, and a first transmission wheel 34 is sleeved on the output shaft 35 of the first driving motor 32, the first transmission wheel 34 is arranged below the two first rollers 33 and is in transmission cooperation with the two first rollers 33, and one end of the output shaft 35 passes through the outside of the first transmission wheel 34 and is connected to the connecting shaft 36, a support column 37 is arranged on the second mounting frame 41, and a bearing 38 is arranged on the support column 37, and the connecting shaft 36 passes through the bearing 38, and the first transmission wheel 34 is in a vertical state through the cooperation of the support column 37 and the height of the bearing 38, so that the first transmission wheel 34 is in a vertical state, and the two first rollers 33 are driven to rotate in the same direction, thereby driving the steel pipes on the two first rollers 33 to rotate.

[0030] In addition, the first mounting frame 31 includes a first base 311, on which a protective cover 312 and a connecting seat 313 are provided. The protective cover 312 is provided on the outside of the first driving motor 32, and the connecting seat 313 is used to accommodate the first roller 33. One end of the protective cover 312 is fitted with one side of the connecting seat 313, and the two are fixedly connected to the first base 311 by bolts or welding.

[0031] At the same time, the second rolling mechanism 40 includes a second mounting frame 41, a second driving motor arranged on the second mounting frame 41, and two second rollers 42. The second driving motor is used to drive the two second rollers 42 to rotate in the same direction. The two second rollers 42 also support a steel pipe to drive the steel pipe to rotate.

[0032] Combination Figure 5 As shown, the pressing mechanism 50 is arranged directly above the second rolling mechanism 40, and the pressing mechanism 50 includes a support frame 51, a driving cylinder 52, a fixing frame 53 and a pressing wheel group. The driving cylinder 52 is arranged on the support frame 51 and connected to the fixing frame 53. The fixing frame 53 is used to set the pressing wheel group, and the pressing wheel group corresponds to the position of the second roller 42.

[0033] A connecting rod 54 is provided in the fixing frame 53, and the connecting rod 54 is connected to the output end of the driving cylinder 52, thereby driving the fixing frame 53 and the components therein to be lifted and lowered by the driving cylinder 52 such as a cylinder.

[0034] The pressing wheel group includes a plurality of pressing wheel bodies 55 arranged in parallel and in contact with each other. A third driving motor 56 and a third transmission wheel 57 are arranged at one end of the fixed frame 53. The third transmission wheel 57 rotates with the third driving motor 56 and cooperates with one pressing wheel body 55, thereby driving all the pressing wheel bodies 55 to rotate in the same direction. The pressing wheel body 55 cooperates with the outer wall of the steel pipe to prevent it from jumping or tilting.

[0035] Combination Figure 6 As shown, the adjustment frame 20 includes a base plate 21 and two L-shaped limit plates 22 arranged on both sides of the base plate 21, a guide rail 23 is arranged on the base plate 21, and the guide rail 23 is arranged below the limit plate 22, and a plurality of sliders 24 that cooperate with the guide rail 23 are arranged below the first mounting frame 31 and the second mounting frame 41. Specifically, the slider 24 is connected below the first base 311 in the first mounting frame 31, and the two sides of the upper end surface of the first mounting frame 31 and the second mounting frame 41 are located below the limit plate 22 or are in contact with it to achieve limiting and guiding.

[0036] At the same time, a plurality of weight-reducing holes 221 are provided on the limiting plate 22 along its length direction.

[0037] Therefore, when the utility model is in use, the distance between the first rolling mechanism 30 and the second rolling mechanism 40 can be adjusted according to the length of the steel pipe, so as to facilitate welding and fixing of steel pipes of different lengths.

[0038] All the methods described herein can be performed in any suitable order. Any and all examples used, or exemplary language provided herein (such as "for example") are merely to better illustrate the present invention, and are not intended to limit the scope of the present invention, unless the claims are included. The language in the detailed description should not be understood as indicating any essential factors for practicing the present invention that are not claimed.

[0039] The present invention describes preferred embodiments, including the best way to carry out the present invention known to the inventor. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that skilled artisans may use such variations as appropriate, and the inventors point out that the present invention may be implemented in other ways than those specifically described herein. Therefore, the present invention includes all improvements included in the spirit and scope of the present invention as defined by the claims. Moreover, unless otherwise stated or clearly contradictory in content, the present invention includes any of the above factors and all possible variations thereof.

Claims

1. A welding auxiliary device, characterized in that: include: Frame (10); An adjustment frame (20) is arranged on the frame (10); A first rolling mechanism (30) movably arranged in the adjustment frame (20), the first rolling mechanism (30) comprising a first mounting frame (31), a first driving motor (32) arranged on the first mounting frame (31), and two first rollers (33), the first driving motor (32) being used to drive the first rollers (33) to rotate in the same direction; a second rolling mechanism (40) movably arranged in the adjustment frame (20), the second rolling mechanism (40) comprising a second mounting frame (41), a second drive motor arranged on the second mounting frame (41), and two second rollers (42), the second drive motor being used to drive the second rollers (42) to rotate in the same direction; A pressing mechanism (50) is arranged on one side of the frame (10), and the pressing mechanism (50) is arranged directly above the second rolling mechanism (40). The pressing mechanism (50) comprises a support frame (51), a driving cylinder body (52), a fixing frame (53) and a pressing wheel group. The driving cylinder body (52) is arranged on the support frame (51) and connected to the fixing frame (53). The fixing frame (53) is used to set the pressing wheel group, and the position of the pressing wheel group corresponds to the second rolling wheel (42).

2. A welding auxiliary device according to claim 1, characterized in that: A first transmission wheel (34) is sleeved on the output shaft (35) of the first driving motor (32); the first transmission wheel (34) is arranged below the two first rollers (33) and is in transmission cooperation with the two first rollers (33).

3. A welding auxiliary device according to claim 2, characterized in that: One end of the output shaft (35) passes through the outside of the first transmission wheel (34) and is connected to the connecting shaft (36); a support column (37) is provided on the second mounting frame (41); a bearing (38) is provided on the support column (37); and the connecting shaft (36) passes through the bearing (38).

4. A welding auxiliary device according to claim 3, characterized in that: The first mounting frame (31) comprises a first base (311), and a protective cover (312) and a connecting seat (313) are arranged on the first base (311), the protective cover (312) is arranged on the outside of the first driving motor (32), and the connecting seat (313) is used to accommodate the first roller (33).

5. A welding auxiliary device according to claim 1, characterized in that: A connecting rod (54) is arranged inside the fixing frame (53), and the connecting rod (54) is connected to the output end of the driving cylinder (52). The pressing wheel group includes a plurality of pressing wheel bodies (55) arranged in parallel and in contact with each other. A third driving motor (56) and a third transmission wheel (57) are arranged at one end of the fixing frame (53). The third transmission wheel (57) rotates with the third driving motor (56) and cooperates with a pressing wheel body (55) in transmission.

6. A welding auxiliary device according to claim 1, characterized in that: The adjustment frame (20) comprises a base plate (21) and two limit plates (22) arranged on both sides of the base plate (21); a guide rail (23) is arranged on the base plate (21); the guide rail (23) is arranged below the limit plates (22); and a plurality of sliders (24) that are in transmission cooperation with the guide rail (23) are arranged below the first mounting frame (31) and the second mounting frame (41).

7. A welding auxiliary device according to claim 6, characterized in that: The limiting plate (22) is provided with a plurality of weight-reducing holes (221).

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