Auxiliary fixing device and method for oblique sleeve welding

Abstract

The present application discloses an auxiliary fixing device and method for welding an oblique sleeve. The auxiliary fixing device in the present application includes a main frame and a rotating unit. The main frame includes a horizontal rod and a vertical rod. The vertical rod can move left and right along the horizontal rod. A vertical groove is provided on the vertical rod. A slider is slidably provided in the vertical groove. The slider is fixedly connected to the rotating unit. The rotating unit includes a partial circular ring. An external cutting plate assembly is provided on the partial circular ring. The external cutting plate assembly includes a first external cutting plate and a second external cutting plate. A fixed frame is fixedly provided on the first external cutting plate. A lifting screw is provided on the fixed frame. An axle pin is provided for the internal rotation of the lifting screw. A clamp is fixedly provided at the lower end of the axle pin. The welding method in the present application adopts the above-mentioned auxiliary fixing device, which can accurately locate and adjust the angle of the oblique sleeve, thereby improving the accuracy of the welding of the oblique sleeve. And the welding auxiliary fixing device in the present application can be reused, which reduces the production cost.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to an auxiliary fixing device and method for oblique sleeve welding. Background Art

[0002] In the construction of oblique rigid structures, the oblique sleeve needs to be welded obliquely to the column facade. There are angles between the oblique sleeve and the column facade in both the horizontal and vertical directions. If the oblique sleeve and the column facade are manually positioned and welded on site, there will be problems such as low welding strength, poor weldability, and extended construction period. If the traditional factory-prefabricated oblique sleeve and column facade are used, there will be problems such as high scrap rate due to inaccurate positioning of the oblique angle.

[0003] In the prior art, there are existing auxiliary positioning devices for oblique welding of sleeves and column facades. The existing auxiliary positioning devices are customized according to the angle, steel bar diameter and spacing of specific nodes. They are disposable products that cannot be circulated in different nodes and projects and have high production costs. Summary of the invention

[0004] In view of the defects existing in the prior art, the present application provides an auxiliary fixing device for oblique sleeve welding to solve technical problems in the prior art such as inaccurate oblique angle positioning of the oblique welding between the oblique sleeve and the column facade or the inability to use the auxiliary positioning device multiple times.

[0005] In order to achieve the purpose of the above invention, the technical solution provided by the present invention is as follows:

[0006] An oblique sleeve welding auxiliary fixing device comprises a main frame and a rotating unit, wherein the main frame comprises a horizontal rod and a vertical rod, wherein the vertical rod can move left and right along the horizontal rod, and can be fixed on the horizontal rod when the vertical rod moves to a target position, wherein a vertical groove is provided on the vertical rod, wherein a slider is slidably provided in the vertical groove, wherein a fastening bolt for fixing the position of the slider is fixedly provided at one end of the slider, and the other end of the slider is fixedly connected to the rotating unit;

[0007] The rotating unit includes a partial circular ring with an opening facing the surface to be welded, and an circumscribed plate assembly is arranged on the partial circular ring, wherein the circumscribed plate assembly can slide along the outer surface of the partial circular ring, and can be fixed on the partial circular ring when the circumscribed plate assembly slides to the target position, and the circumscribed plate assembly includes a first circumscribed plate and a second circumscribed plate, both of which are tangent to the outer surface of the partial circular ring, and one end of the first circumscribed plate away from the partial circular ring and one end of the second circumscribed plate away from the partial circular ring are fixedly connected, the first circumscribed plate is arranged above the second circumscribed plate, and a fixing frame is fixedly arranged on the first circumscribed plate, the fixing frame includes a fixing plate parallel to the first circumscribed plate, a lifting screw is arranged on the fixing plate, the lifting screw is threadedly connected to the fixing plate, an axle pin is arranged for internal rotation of the lifting screw, the lower end of the axle pin protrudes from the lower end of the lifting screw, a clamping plate is fixedly arranged at the lower end of the axle pin, and a fastening bolt for fixing the rotation angle of the axle pin is arranged on the lifting screw, and when the lifting screw descends, the clamping plate and the first circumscribed plate can clamp a short steel bar that is detachably connected to the oblique sleeve at one end.

[0008] In one embodiment, the main frame includes two horizontal rods arranged relatively parallel to each other, both horizontal rods are provided with horizontal grooves, the upper and lower ends of the vertical rod slide in the horizontal grooves, and the upper and lower ends of the vertical rod are provided with fastening bolts to fix the left and right moving positions of the vertical rod.

[0009] In one embodiment, the welding surface is a column facade, a thread is arranged inside the inclined sleeve, an external thread is arranged on the outer surface of the short steel bar, and the inclined sleeve is threadably connected to the short steel bar.

[0010] In one embodiment, the clamping plate is a downwardly curved plate.

[0011] In one embodiment, a slide groove is provided on the partial circular ring, and the slide groove is parallel to the ring edge of the partial circular ring. A sliding rod is slidably arranged in the slide groove, one end of the sliding rod is fixedly connected to the external cutting plate assembly, and the other end of the sliding rod is fixedly provided with a fastening bolt for fixing the moving position of the sliding rod.

[0012] In one embodiment, the arc angle of the partial ring is greater than or equal to 180°.

[0013] In one embodiment, the first circumscribed plate and the second circumscribed plate are perpendicular to each other.

[0014] The present application also provides an oblique sleeve welding method, which uses the above-mentioned oblique sleeve welding auxiliary fixing device, and includes the following steps:

[0015] S1. Fix the main frame so that the vertical rod is parallel to the surface to be welded;

[0016] S2, fix the end of the oblique sleeve away from the surface to be welded to the short steel bar, rotate and lower the lifting screw, fix the short steel bar between the first external cutting plate and the clamping plate, and fix the lowered position of the lifting screw;

[0017] S3, moving the vertical rod horizontally along the horizontal rod, sliding the slider, and when the oblique sleeve is approximately at the target position, fixing the vertical rod and the slider, and roughly positioning the oblique sleeve;

[0018] S4, sliding the external cutting plate assembly along the outer surface of the partial circular ring, adjusting the angle of the oblique sleeve on the vertical plane, and after reaching the target angle, fixing the external cutting plate assembly to the partial circular ring to fix the angle of the oblique sleeve on the vertical plane;

[0019] S5. Rotate the shaft pin to adjust the angle of the oblique sleeve on the horizontal plane. After reaching the target angle, tighten the fastening bolts that fix the shaft pin to fix the angle of the oblique sleeve on the horizontal plane.

[0020] S6. Fine-tune the position of the vertical rod and the slider. After the oblique sleeve is at the precise position, fix the vertical rod and the slider to accurately position the oblique sleeve.

[0021] S7. Weld the oblique sleeve to the surface to be welded. After completion, disassemble the short steel bars and the oblique sleeve, and take out the short steel bars from the auxiliary fixing device.

[0022] Compared with the prior art, this application has at least the following beneficial effects:

[0023] The oblique sleeve welding auxiliary fixing device in the present application can accurately position the oblique sleeve by moving the vertical rod in the horizontal direction and the slider, and can accurately adjust the angle of the oblique sleeve in the vertical plane through the cooperation of the external cutting plate assembly and the partial ring, and can accurately adjust the angle of the oblique sleeve in the horizontal plane through the shaft pin, which significantly improves the accuracy of the oblique sleeve welding. In addition, the welding auxiliary fixing device in the present application can adapt to the welding of oblique sleeves of any diameter, spacing, and angle, and can be reused, reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the working of the oblique sleeve welding auxiliary fixing device in the embodiment of the present application;

[0025] Figure 2 It is a structural diagram of the main frame in the embodiment of the present application;

[0026] Figure 3 is a schematic structural diagram of a rotating unit in an embodiment of the present application;

[0027] Figure 4 yes Figure 3 A is an enlarged view of the middle image.

[0028] Figure numerals: 01, welding surface; 02, inclined sleeve; 1, main frame; 101, horizontal rod; 102, vertical rod; 103, slider; 104, fastening bolt; 2, rotating unit; 201, partial ring; 202, slide groove; 203, first external cutting plate; 204, second external cutting plate; 205, fixing frame; 206, lifting screw; 207, shaft pin; 208, splint; 209, sliding rod; 3, short steel bar. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is described below by the specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0030] The terms used in this disclosure are for the purpose of describing specific embodiments only and are not intended to limit the disclosure. The singular forms of "a", "said" and "the" used in this disclosure and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0031] It should be understood that although the terms first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms and should not be understood as indicating or implying relative importance. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present disclosure, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0032] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a mechanical connection or the internal connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0033] In order to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings.

[0034] The present invention discloses an auxiliary fixing device for oblique sleeve welding, such as Figure 1-4 As shown, it includes a main frame 1 and a rotating unit 2, as shown in Figure 2As shown, the main frame 1 includes a horizontal rod 101 and a vertical rod 102. The vertical rod 102 can move left and right along the horizontal rod 101. When the vertical rod 102 moves to the target position, it can be fixed on the horizontal rod 101. A vertical groove is arranged on the vertical rod 102. A slider 103 is slidably arranged in the vertical groove. A fastening bolt 104 for fixing the position of the slider is fixedly arranged at one end of the slider 103, and the other end of the slider 103 is fixedly connected to the rotating unit 2.

[0035] like Figure 3 As shown, the rotating unit 2 includes a partial circular ring 201 with an opening facing the welding surface, and an external cutting plate assembly is arranged on the partial circular ring 201. The external cutting plate assembly can slide along the outer surface of the partial circular ring 201, and can be fixed on the partial circular ring 201 when the external cutting plate assembly slides to the target position. The external cutting plate assembly includes a first external cutting plate 203 and a second external cutting plate 204. The first external cutting plate 203 and the second external cutting plate 204 are both tangent to the outer surface of the partial circular ring 201. One end of the first external cutting plate 203 away from the partial circular ring 201 and one end of the second external cutting plate 204 away from the partial circular ring 201 are fixedly connected. The first external cutting plate 203 is arranged above the second external cutting plate 204. A fixing frame 205 is fixedly arranged on the first external cutting plate 203. The fixing frame 205 includes a fixing plate parallel to the first external cutting plate 203. A lifting screw 206 is arranged on the fixing plate, and the lifting screw 206 is threadedly connected to the fixing plate, as shown in FIG. Figure 4 As shown, the lifting screw 206 is internally rotated with an axle pin 207, the lower end of the axle pin 207 protrudes from the lower end of the lifting screw 206, and a clamp 208 is fixedly provided at the lower end of the axle pin 207. The lifting screw 206 is provided with a fastening bolt 104 for fixing the rotation angle of the axle pin 207. When the lifting screw 206 descends, the clamp 208 and the first external cutting plate 203 can clamp the short steel bar 3 which is detachably connected to the inclined sleeve 02 at one end.

[0036] In order to make the movement of the vertical rod 102 more stable, the main frame 1 in this embodiment includes two horizontal rods 101 arranged relatively parallel, and both horizontal rods 101 are provided with horizontal grooves. The upper and lower ends of the vertical rod 102 slide in the horizontal grooves, and the upper and lower ends of the vertical rod 102 are provided with fastening bolts 104 for fixing the left and right moving position of the vertical rod 102.

[0037] In this embodiment, the welding surface 01 is a column vertical surface, a thread is provided inside the inclined sleeve 02, an external thread is provided on the outer surface of the short steel bar 3, the inclined sleeve 02 is threadedly connected with the short steel bar 3, and the short steel bar is provided at one end of the inclined sleeve 02 to extend the length of the inclined sleeve 02 so as to adjust the welding angle. The clamping plate 208 is a downwardly curved arc plate, so that the short steel bars 3 of different diameters can be better clamped, so that the auxiliary fixing device can be reused multiple times.

[0038] A slide groove 202 is set on the partial circular ring 201, and the slide groove 202 is parallel to the ring edge of the partial circular ring 201. A sliding rod 209 is slidably set in the slide groove 202. One end of the sliding rod 209 is fixedly connected to the external cutting plate assembly, and the other end of the sliding rod 209 is fixedly set with a fastening bolt 104 for fixing the moving position of the sliding rod 209.

[0039] In order to make the angle of the inclined sleeve in the vertical plane as large as possible, in this embodiment, the arc angle of the partial ring 201 is greater than or equal to 180°. The first circumscribed plate 203 and the second circumscribed plate 204 are perpendicular to each other, so that the circumscribed plate assembly is more stable.

[0040] This embodiment also provides an oblique sleeve welding method, using the above-mentioned oblique sleeve welding auxiliary fixing device, including the following steps:

[0041] S1, fix the main frame 1 so that the vertical rod 102 is parallel to the welding surface 01;

[0042] S2, fix the end of the oblique sleeve 02 away from the welding surface 01 to the short steel bar 3, rotate and lower the lifting screw 206, fix the short steel bar 3 between the first external cutting plate 203 and the clamping plate 208, and fix the lowered position of the lifting screw 206;

[0043] S3, move the vertical rod 102 horizontally along the horizontal rod 101, slide the slider 103, and when the oblique sleeve 02 is approximately at the target position, fix the vertical rod 102 and the slider to roughly position the oblique sleeve 02;

[0044] S4, sliding the external cutting plate assembly along the outer surface of the partial circular ring 201, adjusting the angle of the oblique sleeve 02 on the vertical plane, and after reaching the target angle, fixing the external cutting plate assembly to the partial circular ring 201 to fix the angle of the oblique sleeve 02 on the vertical plane;

[0045] S5, rotating the shaft pin 207 to adjust the angle of the oblique sleeve 02 on the horizontal plane, and after reaching the target angle, tightening the fastening bolt 104 fixing the shaft pin 207 to fix the angle of the oblique sleeve 02 on the horizontal plane;

[0046] S6, fine-tune the positions of the vertical rod 102 and the slider 103, and after the oblique sleeve 02 is at the precise position, fix the vertical rod 102 and the slider to accurately position the oblique sleeve 02;

[0047] S7, welding the oblique sleeve 02 and the welding surface 01, after completion, disassembling the short steel bar 3 and the oblique sleeve 02, and taking out the short steel bar 3 from the auxiliary fixing device.

[0048] 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, ordinary technicians in the field should understand that the specific implementation methods of the invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. An auxiliary fixing device for oblique sleeve welding, characterized in that: The main frame includes a horizontal rod and a vertical rod. The vertical rod can move left and right along the horizontal rod. When the vertical rod moves to a target position, it can be fixed on the horizontal rod. A vertical groove is provided on the vertical rod. A slider is slidably provided in the vertical groove. A fastening bolt for fixing the position of the slider is fixedly provided at one end of the slider. The other end of the slider is fixedly connected to the rotating unit. The rotating unit comprises a partial circular ring with an opening facing the welding surface, and an external cutting plate assembly is arranged on the partial circular ring, and the external cutting plate assembly can slide along the outer surface of the partial circular ring, and can be fixed on the partial circular ring when the external cutting plate assembly slides to the target position, and the external cutting plate assembly comprises a first external cutting plate and a second external cutting plate, and the first external cutting plate and the second external cutting plate are both tangent to the outer surface of the partial circular ring, and an end of the first external cutting plate away from the partial circular ring and an end of the second external cutting plate away from the partial circular ring are fixedly connected, the first external cutting plate is arranged above the second external cutting plate, and a fixing frame is fixedly arranged on the first external cutting plate, and the fixing frame comprises a fixing plate parallel to the first external cutting plate, and a lifting screw is arranged on the fixing plate, and the lifting screw is threadedly connected to the fixing plate, and an axle pin is arranged for internal rotation of the lifting screw, and the lower end of the axle pin protrudes from the lower end of the lifting screw, and a clamping plate is fixedly arranged at the lower end of the axle pin, and a fastening bolt for fixing the rotation angle of the axle pin is arranged on the lifting screw, and when the lifting screw descends, the clamping plate and the first external cutting plate can clamp a short steel bar that is detachably connected to an oblique sleeve at one end; The main frame includes two horizontal bars arranged in parallel with each other, both of which are provided with horizontal grooves, the upper and lower ends of the vertical bar slide in the horizontal grooves, and the upper and lower ends of the vertical bar are provided with fastening bolts for fixing the left and right moving positions of the vertical bar; A slide groove is arranged on the partial circular ring, and the slide groove is parallel to the ring edge of the partial circular ring. A sliding rod is slidably arranged in the slide groove, one end of the sliding rod is fixedly connected to the external cutting plate assembly, and the other end of the sliding rod is fixedly arranged with a fastening bolt for fixing the moving position of the sliding rod; the arc angle of the partial circular ring is greater than or equal to 180°.

2. The oblique sleeve welding auxiliary fixing device according to claim 1 is characterized in that: The welding surface is a column facade, a thread is arranged inside the oblique sleeve, an external thread is arranged on the outer surface of the short steel bar, and the oblique sleeve is threadedly connected to the short steel bar.

3. The oblique sleeve welding auxiliary fixing device according to claim 1, characterized in that: The clamping plate is an arc-shaped plate bent downward.

4. The oblique sleeve welding auxiliary fixing device according to claim 1, characterized in that: The first circumscribed plate and the second circumscribed plate are perpendicular to each other.

5. An oblique sleeve welding method, characterized in that: The oblique sleeve welding auxiliary fixing device as claimed in any one of claims 1 to 4 comprises the following steps: S1. Fix the main frame so that the vertical rod is parallel to the welding surface; S2, fix the end of the oblique sleeve away from the welding surface to the short steel bar, rotate and lower the lifting screw, fix the short steel bar between the first external cutting plate and the clamping plate, and fix the lowered position of the lifting screw; S3, moving the vertical rod horizontally along the horizontal rod, sliding the slider, and when the oblique sleeve reaches the target position, fixing the vertical rod and the slider, and roughly positioning the oblique sleeve; S4, sliding the external cutting plate assembly along the outer surface of the partial circular ring, adjusting the angle of the oblique sleeve on the vertical plane, and after reaching the target angle, fixing the external cutting plate assembly to the partial circular ring to fix the angle of the oblique sleeve on the vertical plane; S5. Rotate the shaft pin to adjust the angle of the oblique sleeve on the horizontal plane. After reaching the target angle, tighten the fastening bolts that fix the shaft pin to fix the angle of the oblique sleeve on the horizontal plane. S6. Fine-tune the position of the vertical rod and the slider. After the oblique sleeve is at the precise position, fix the vertical rod and the slider to accurately position the oblique sleeve. S7. Weld the oblique sleeve and the welding surface. After completion, disassemble the short steel bars and the oblique sleeve, and take out the short steel bars from the auxiliary fixing device.

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