Welding fixture

Abstract

The invention relates to the technical field of welding tools, and provides a welding clamp which comprises a supporting rod, a holding rod assembly, a rotating support and a clamping assembly. The holding pole assembly is installed on the supporting rod and can slide or be locked relative to the supporting rod in the axial direction of the supporting rod. The rotating support is installed on the holding pole assembly, the rotating support is provided with a base point and at least two positioning points, and all the positioning points are located on the same curve track with the base point as the circle center; the clamping assembly comprises a rotary connecting piece and a clamping piece, the rotary connecting piece is hinged to the rotary support at the base point and can be selectively fixed to one of the positioning points, and the clamping piece is used for fixing a workpiece. Thus, the height position can be adjusted in the axial direction of the supporting rod through the holding rod assembly, the placing angle of the workpiece can be adjusted through the rotary supporting and clamping assembly, and the welding clamp can be suitable for various welding operation scenes.

Description

Technical Field

[0001] The invention relates to the technical field of welding tooling, and in particular to a welding fixture. Background Art

[0002] In welder skill training and examinations, the welding positions of butt welds are divided into 1G, 2G, 3G, 4G, 5G, 6G, and 6GR. All-position welding involves welding in all positions. Manual arc welding (SMAW method) single-sided welding and double-sided forming technology is required to complete the base layer welding, and manual arc welding is used to complete the filling layer and cover layer welding. Test pieces in different welding positions need to be made with tooling and fixtures in the corresponding positions. Changing the welding position requires replacing the corresponding fixtures and fixtures, which is inconvenient, time-consuming and labor-intensive to operate. More fixtures and fixtures occupy the welding site, which does not meet the requirements of simple site conditions. Therefore, a welding fixture is urgently needed to solve the above technical problems. Summary of the invention

[0003] The purpose of the present invention is to provide a welding fixture that can be applied to a variety of welding operation scenarios.

[0004] To achieve this object, the present invention adopts the following technical solutions:

[0005] Welding fixture, including:

[0006] Support rods;

[0007] A pole holding assembly, the pole holding assembly is mounted on the support rod and can slide or lock relative to the support rod along its axial direction;

[0008] A rotating support, the rotating support is mounted on the holding pole assembly, the rotating support is provided with a base point and at least two positioning points, and all the positioning points are located on the same curved track with the base point as the center;

[0009] The clamping assembly comprises a rotating connecting member and a clamping member, the rotating connecting member is hinged to the rotating support at the base point and can be selectively fixed to one of the positioning points, and the clamping member is used to fix the workpiece.

[0010] As a preferred technical solution of the above-mentioned welding fixture, the above-mentioned pole holding assembly includes a pole holding member and a first fastener, and the above-mentioned pole holding member includes a first tube body, and the above-mentioned first tube body is sleeved outside the above-mentioned support rod and can be fixed by the above-mentioned first fastener.

[0011] As a preferred technical solution of the above-mentioned welding fixture, the above-mentioned holding rod member also includes a second tube body and a second fastener, the above-mentioned first tube body is vertically fixed to the above-mentioned second tube body, and the above-mentioned rotating support can be inserted into the above-mentioned second tube body and fixed by the above-mentioned second fastener.

[0012] As a preferred technical solution of the above-mentioned welding fixture, the above-mentioned rotating connecting member includes a first connecting part and a second connecting part, the above-mentioned first connecting part is connected to the above-mentioned rotating support and fixed to the above-mentioned second connecting part, the above-mentioned clamping member is rotatably connected to the above-mentioned second connecting part and can be fixed by a third fastener, and the above-mentioned first connecting part is perpendicular to the rotation axis of the above-mentioned rotating support and the rotation axis of the above-mentioned clamping member relative to the above-mentioned second connecting part.

[0013] As a preferred technical solution of the above-mentioned welding fixture, the above-mentioned first connecting part includes two clips, the two clips are relatively fixed and are spaced apart in the thickness direction of the above-mentioned rotating support, the above-mentioned rotating support is located between the two clips, and the above-mentioned third fastener can be inserted into the two clips.

[0014] As a preferred technical solution of the above-mentioned welding fixture, the above-mentioned second connecting part includes a scale plate and a third tube body, the above-mentioned scale plate is perpendicular to the axis of the above-mentioned third tube body, the above-mentioned scale plate forms a plurality of angle marks around the axis of the above-mentioned third tube body, the above-mentioned clamping piece forms a directional mark, the above-mentioned clamping piece is connected to the above-mentioned third tube body, and the above-mentioned directional mark can selectively point to any of the above-mentioned angle marks.

[0015] As a preferred technical solution of the above-mentioned welding fixture, the above-mentioned clamping member includes two clamping plates and a fourth fastener. The two clamping plates are relatively fixed and arranged with mirror-image intervals in the thickness direction. The above-mentioned workpiece is placed between the two clamping plates. The above-mentioned fourth fastener can be threadedly connected to one of the above-mentioned clamping plates and abut the above-mentioned workpiece against the other above-mentioned clamping plate.

[0016] As a preferred technical solution of the above-mentioned welding fixture, the above-mentioned rotating support is provided with a weight-reducing hole.

[0017] As a preferred technical solution of the above-mentioned welding fixture, it also includes a base, the above-mentioned base is pre-buried in the ground, and the above-mentioned support rod is installed on the above-mentioned base along the vertical direction.

[0018] As a preferred technical solution of the above-mentioned welding fixture, it also includes cement pouring, the above-mentioned cement pouring is formed on the ground, the above-mentioned base is located in the above-mentioned cement pouring, and in the above-mentioned vertical direction, the height of the above-mentioned base is flush with the height of the above-mentioned cement pouring.

[0019] Beneficial effects of the present invention:

[0020] The present invention provides a welding fixture, comprising a support rod, a holding rod assembly, a rotating support and a clamping assembly. The holding rod assembly is installed on the support rod and can slide or lock relative to the support rod along its axial direction; the rotating support is installed on the holding rod assembly, and the rotating support is provided with a base point and at least two positioning points, and all the positioning points are located on the same curved track with the base point as the center; the clamping assembly comprises a rotating connecting piece and a clamping piece, the rotating connecting piece is hinged with the rotating support at the base point, and can be selectively fixed with one of the positioning points, and the clamping piece is used to fix the workpiece.

[0021] In this way, the height position can be adjusted along the axial direction of the support rod through the holding rod assembly, and the placement angle of the workpiece can be adjusted by rotating the support, so that the welding fixture can be suitable for a variety of welding operation scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0023] Figure 1 is a schematic structural diagram of a welding fixture provided by an embodiment of the present invention;

[0024] Figure 2 It is a schematic diagram of assembling a support rod and a pole holding assembly provided by an embodiment of the present invention;

[0025] Figure 3 is a schematic structural diagram of a rotation support provided by an embodiment of the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of the clamping assembly provided in an embodiment of the present invention.

[0027] In the figure:

[0028] 100. Support rod;

[0029] 200, pole holding assembly; 210, pole holding member; 211, first tube body; 212, second tube body; 220, first fastener;

[0030] 300, rotation support; 310, base point; 320, positioning point;

[0031] 400, clamping assembly; 410, rotating connecting member; 411, first connecting portion; 412, second connecting portion; 420, clamping member; 421, clamping plate; 422, fourth fastening member. DETAILED DESCRIPTION

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] like Figures 1 to 4As shown, the present invention provides a welding fixture, including a support rod 100, a holding rod assembly 200, a rotating support 300 and a clamping assembly 400. The holding rod assembly 200 is installed on the support rod 100, and can slide or lock relative to the support rod 100 along its axial direction; the rotating support 300 is installed on the holding rod assembly 200, and the rotating support 300 is provided with a base point 310 and at least two positioning points 320, and all the positioning points 320 are located on the same curved track with the base point 310 as the center; the clamping assembly 400 includes a rotating connection 410 and a clamping member 420, the rotating connection 410 is hinged with the rotating support 300 at the base point 310, and can be selectively fixed with one of the positioning points 320, and the clamping member 420 is used to fix the workpiece.

[0037] In this way, the height position can be adjusted along the axial direction of the support rod 100 through the holding rod assembly 200, and the placement angle of the workpiece can be adjusted by rotating the support 300 and the clamping assembly 400, so that the welding fixture can be suitable for a variety of welding operation scenarios.

[0038] Optionally, the pole holding assembly 200 includes a pole holding member 210 and a first fastener 220 . The pole holding member 210 includes a first tube body 211 . The first tube body 211 is sleeved outside the support pole 100 and can be fixed by the first fastener 220 .

[0039] Exemplarily, a threaded hole is provided in the first tube body 211, and the first tube body 211 is sleeved on the outside of the support rod 100. The first tube body 211 can slide relative to the support rod 100 along the axial direction of the support rod 100 and be adjusted to a position that meets the work requirements or operation requirements. The first fastener 220 is installed. The first fastener 220 is provided with a threaded structure on the outside and can be inserted into the threaded hole and threadedly connected to the first tube body 211. By screwing the first fastener 220, the end of the first fastener 220 is abutted against the support rod 100. Preferably, the abutting direction is perpendicular to the axial direction of the support rod 100, thereby locking the relative position of the holding rod assembly 200 and the support rod 100.

[0040] Exemplarily, the first tube body 211 is provided with a first plug hole, and the support rod 100 is provided with a second plug hole. The first tube body 211 is sleeved on the outside of the support rod 100. The first tube body 211 can slide relative to the support rod 100 along the axial direction of the support rod 100 and be adjusted to a position that meets the work requirements or operation requirements. The first fastener 220 is installed. The first fastener 220 can pass through the first tube body 211 and be inserted into the second plug hole of the support rod 100, thereby locking the relative position of the holding rod assembly 200 and the support rod 100.

[0041] Optionally, the holding rod member 210 further includes a second tube body 212 and a second fastener, the first tube body 211 is vertically fixed to the second tube body 212, and the rotation support 300 can be inserted into the second tube body 212 and fixed by the second fastener.

[0042] Exemplarily, after the first tube body 211 is sleeved on the support rod 100, the second tube body 212 extends radially along the support rod 100, and a threaded hole is opened in the second tube body 212. The end of the rotating support 300 forms a third tube body, and the third tube body is inserted into the second tube body 212. The second fastener is provided with a threaded structure on the outside, which can be inserted into the threaded hole and threadedly connected with the second tube body 212. By screwing the second fastener, the end of the second fastener is brought into contact with the third tube body, thereby locking the rotating support 300 and the holding rod 210.

[0043] Exemplarily, after the first tube body 211 is sleeved on the support rod 100, the second tube body 212 extends radially along the support rod 100, the second tube body 212 is provided with a third plug hole, the end of the rotating support 300 forms a third tube body, the third tube body is inserted into the second tube body 212, the third tube body is provided with a fourth plug hole, the second fastener penetrates the second tube body 212 and is inserted into the fourth plug hole, thereby locking the rotating support 300 and the holding rod 210.

[0044] Exemplarily, the second tube body 212 and the third tube body are both polygonal columns.

[0045] Optionally, the rotating connection member 410 includes a first connection portion 411 and a second connection portion 412, the first connection portion 411 is connected to the rotating support 300 and fixed to the second connection portion 412, the clamping member 420 is rotatably connected to the second connection portion 412 and can be fixed by a third fastener, and the first connection portion 411 is perpendicular to the rotation axis of the rotating support 300 and the rotation axis of the clamping member 420 relative to the second connection portion 412.

[0046] Exemplarily, the second connecting portion 412 is a fourth tube body, the clamping member 420 is formed with a fifth tube body, the fifth tube body is inserted in the fourth tube body, the fourth tube body is provided with a threaded hole, and the third fastener is provided with a threaded structure on the outside, which can be inserted in the threaded hole and threadedly connected with the fifth tube body. By screwing the third fastener, the end of the third fastener is brought into contact with the fifth tube body, thereby locking the rotating connecting member 410 and the clamping member 420.

[0047] Exemplarily, the second connecting portion 412 is a fourth tube body, the clamping member 420 forms a fifth tube body, the fifth tube body is inserted in the fourth tube body, the fourth tube body has a fifth plug hole, the fifth tube body has a sixth plug hole, and the third fastener passes through the second connecting portion 412 and is inserted into the sixth plug hole, thereby locking the rotating connecting member 410 and the clamping member 420.

[0048] And the rotational freedom is increased, making the welding fixture applicable to more working conditions.

[0049] Optionally, the first connection portion 411 includes two clips, which are relatively fixed and spaced apart in the thickness direction of the rotating support 300, the rotating support 300 is located between the two clips, and the third fastener can be inserted into the two clips. In this way, the two clips can limit the freedom of movement of the rotating connection member 410 and the rotating support 300 in the thickness direction of the rotating support 300, so that the welding fixture can clamp the workpiece more stably.

[0050] Optionally, the second connecting portion 412 includes a scale plate and a third tube body, the scale plate is perpendicular to the axis of the third tube body, the scale plate is formed with a plurality of angle marks around the axis of the third tube body, the clamping member 420 is formed with a pointing mark, the clamping member 420 is connected to the third tube body, and the pointing mark can selectively point to any angle mark. In this way, when the operator rotates the fixture relative to the rotating connecting member 410 to adjust the placement angle of the workpiece, the angle of the current workpiece can be obtained according to the angle mark pointed to by the pointing mark.

[0051] Optionally, the clamping member 420 includes two clamping plates 421 and a fourth fastener 422. The two clamping plates 421 are relatively fixed and arranged in a mirror-image manner in the thickness direction. The workpiece is placed between the two clamping plates 421. The fourth fastener 422 can be threadedly connected to one of the clamping plates 421 and abut the workpiece against the other clamping plate 421.

[0052] Exemplarily, at least one of the clamping plates 421 is provided with a threaded hole, and the fourth fastener 422 is provided with a threaded structure. The fourth fastener 422 passes through the clamping plate 421 provided with the threaded hole, and is threadedly connected with the clamping plate 421. By screwing the fourth fastener 422, the fourth fastener 422 can adjust the feed length until the end of the fourth fastener 422 abuts against the workpiece, and the workpiece abuts against the other clamping plate 421, and the clamping member 420 fixes the workpiece. Since the feed amount of the fourth fastener 422 can be adjusted, the clamping member 420 can be applied to workpieces of different thicknesses within a certain range.

[0053] Optionally, the rotation support 300 is provided with a weight-reducing hole. Thus, by providing the weight-reducing hole, the weight of the rotation support 300 can be reduced, thereby reducing the load of the pole assembly 200.

[0054] Optionally, the welding fixture further comprises a base, which is pre-buried in the ground, and the support rod 100 is mounted on the base in a vertical direction, so that the support rod 100 is stably fixed to the ground.

[0055] Optionally, the welding fixture also includes cement pouring, the cement pouring is formed on the ground, the base is located in the cement pouring, and in the vertical direction, the height of the base is flush with the height of the cement pouring.

[0056] In addition, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may also include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. Welding fixture, characterized in that, include: Support rod (100); A pole holding assembly (200), the pole holding assembly (200) being mounted on the support rod (100) and being capable of sliding or locking relative to the support rod (100) along its axial direction; A rotating support (300), wherein the rotating support (300) is mounted on the pole assembly (200), and the rotating support (300) is provided with a base point (310) and at least two positioning points (320), and all the positioning points (320) are located on the same curved track with the base point (310) as the center; A clamping assembly (400), the clamping assembly (400) comprising a rotating connection member (410) and a clamping member (420), the rotating connection member (410) being hinged to the rotating support (300) at the base point (310) and being capable of being selectively fixed to one of the positioning points (320), the clamping member (420) being used to fix a workpiece.

2. The welding fixture according to claim 1, characterized in that: The pole holding assembly (200) comprises a pole holding member (210) and a first fastener (220); the pole holding member (210) comprises a first tube body (211); the first tube body (211) is sleeved outside the support pole (100) and can be fixed by the first fastener (220).

3. The welding fixture according to claim 2, characterized in that: The holding rod member (210) further comprises a second tube body (212) and a second fastener, the first tube body (211) and the second tube body (212) are vertically fixed, and the rotating support (300) can be inserted into the second tube body (212) and fixed by the second fastener.

4. The welding fixture according to claim 3, characterized in that: The rotating connecting member (410) includes a first connecting portion (411) and a second connecting portion (412), wherein the first connecting portion (411) is connected to the rotating support (300) and fixed to the second connecting portion (412), the clamping member (420) is rotatably connected to the second connecting portion (412) and can be fixed by a third fastener, and the first connecting portion (411) is perpendicular to the rotation axis of the clamping member (420) relative to the second connecting portion (412) around the rotation axis of the rotating support (300).

5. The welding fixture according to claim 4, characterized in that: The first connecting portion (411) comprises two clips, the two clips are relatively fixed and spaced apart in the thickness direction of the rotating support (300), the rotating support (300) is located between the two clips, and the third fastener can be inserted into the two clips.

6. The welding fixture according to claim 4, characterized in that: The second connecting portion (412) includes a scale plate and a third tube body, the scale plate is perpendicular to the axis of the third tube body, the scale plate is formed with a plurality of angle marks around the axis of the third tube body, the clamping member (420) is formed with a directional mark, the clamping member (420) is connected to the third tube body, and the directional mark can selectively point to any of the angle marks.

7. The welding fixture according to claim 1, characterized in that: The clamping member (420) comprises two clamping plates (421) and a fourth fastener (422); the two clamping plates (421) are relatively fixed and arranged at a mirror-image interval in the thickness direction thereof; the workpiece is placed between the two clamping plates (421); the fourth fastener (422) can be threadedly connected to one of the clamping plates (421) and abut the workpiece against the other clamping plate (421).

8. The welding fixture according to claim 1, characterized in that: The rotating support (300) is provided with a weight-reducing hole.

9. The welding fixture according to claim 1, characterized in that: It also comprises a base, which is pre-buried in the ground, and the support rod (100) is installed on the base in a vertical direction.

10. The welding fixture according to claim 9, characterized in that: It also includes cement pouring, which is formed on the ground. The base is located in the cement pouring, and in the vertical direction, the height of the base is flush with the height of the cement pouring.

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