Welding fixture with angular fine adjustment

Abstract

This utility model discloses a welding fixture with angle fine-tuning function, belonging to the field of welding tooling technology. It includes a fixture body, positioning connectors, a synchronizing screw, and an adjusting nut. The fixture body has a dial wheel shaft tube inside, and the synchronizing screw is inserted into the dial wheel shaft tube and coaxially connected to it. An adjusting nut is fitted onto the synchronizing screw, and a pair of positioning connectors are symmetrically arranged on both sides of the adjusting nut. The positioning connectors are used to fix the square tube, and the adjusting nut is adapted to slide within a straight groove. A straight groove and a hinge hole for hinged connection with the adjusting nut are provided at the tail end of each positioning connector. In use, when the dial wheel shaft tube is manually rotated, the synchronizing screws at both ends of the dial wheel shaft tube rotate coaxially, driving the two adjusting nuts to move towards each other. This, in turn, changes the angle of the two adjacent positioning connectors, thereby adjusting the welding angle of two different square tubes.

Description

Technical Field

[0001] This utility model relates to the field of welding fixtures for rods, and specifically to a welding fixture with a fine-tuning angle function. Background Technology

[0002] Currently, most existing welding fixtures are fixed structures. When welding square tubes, because the welding fixtures do not have the function of adjusting the angle, they can only weld the square tubes in a fixed posture. For some parts of the square tube frame where the welding angle is more flexible, different fixtures are often required to meet the installation requirements. As a result, fixing the square tubes is very troublesome when welding the square tube frame, which leads to long processing time and low work efficiency.

[0003] In view of this, the applicant proposes a new structure based on the original design, which has an angle fine-tuning function and can fix and build the square tube frame from different angles, so that construction personnel can weld the square tube frame in a unified manner. Utility Model Content

[0004] Therefore, this utility model provides a welding fixture with angle fine-tuning function to solve the problem of low welding efficiency caused by the low flexibility of welding fixtures in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model discloses a welding fixture with angle fine-tuning function, comprising:

[0007] The clamping body has two synchronous screws symmetrically arranged in the middle that can rotate synchronously;

[0008] Two adjusting nuts, with opposite threads, are respectively mounted on the two synchronizing screws;

[0009] The positioning connector has one end hinged to the end of the clamp body, with the hinge axis, the synchronous screw axis, and the extension direction of the clamp body all perpendicular to each other. The other end of the positioning connector is connected to the adjusting nut, and the positioning connector and the clamp body have a first included angle.

[0010] The positioning connector has a straight groove at its tail end, and the adjusting nut is adapted to slide within the straight groove.

[0011] Furthermore, the clamp is formed by the joining of two separate parts, the separate parts including:

[0012] The clamp has a central hole in the middle and outwardly curved hinge joints at both ends;

[0013] Two pads are located at the adjacent ends of the clamping plates, and the two clamping plates are joined together by the two pads, with the central hole located between the two pads.

[0014] Furthermore, the dial wheel shaft tube includes a keyway, a hollow shaft, and a dial wheel body. The hollow shaft is rotatably disposed in the central hole, and the keyway is disposed in the hollow shaft and drives the synchronous screw to rotate through the keyway.

[0015] A dial body is provided on the outside of the hollow shaft.

[0016] Furthermore, the synchronizing screw includes a stud, a journal, and a splined shaft. The adjusting nut is sleeved on the stud. The stud is connected to the journal and the splined shaft and is integrally formed. The splined shaft mates with the keyway provided in the hollow shaft.

[0017] Furthermore, a permanent magnet is provided in the middle of the positioning connector.

[0018] Furthermore, the adjusting nut includes a connecting base, a hinge position, and a threaded opening. A pair of hinge positions are provided on both sides of the connecting base, and the hinge positions are slidably disposed in the straight groove.

[0019] The connecting base has a threaded opening at its center, which is threadedly connected to the stud.

[0020] Furthermore, the positioning connector is made of plastic.

[0021] Furthermore, the positioning connector is provided with grippers on its outer side.

[0022] This utility model has the following advantages:

[0023] This utility model discloses a welding fixture with angle fine-tuning function. A synchronous screw rotates via a dial wheel shaft. Simultaneously, the synchronous screw and an adjusting nut form a helical pair. Therefore, during the rotation of the synchronous screw, the adjusting nut moves. Because the adjusting nut's positioning connector is hinged, the angles of two adjacent positioning connectors can be adjusted during the nut's movement, thereby changing the angle of the tube mounted above the positioning connector. Compared to existing technologies, this utility model's solution offers advantages such as ease of use, flexibility, and simple operation, solving the problem of low welding efficiency caused by the low flexibility of existing fixed-structure welding fixtures. Attached Figure Description

[0024] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0025] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0026] Figure 1 A perspective view of the welding fixture with angle fine-tuning function provided by this utility model;

[0027] Figure 2 A three-dimensional view of the welding fixture structure with angle fine-tuning function provided by this utility model;

[0028] Figure 3 A perspective view of the dial shaft tube provided by this utility model;

[0029] Figure 4 A perspective view of the gripper provided by this utility model;

[0030] Figure 5 A perspective view of the adjusting nut provided for this utility model;

[0031] Figure 6 A three-dimensional view of the permanent magnet provided for this utility model;

[0032] Figure 7 A perspective view of the synchronizing screw provided for this utility model;

[0033] Figure 8 A perspective view of the clamp body provided by this utility model;

[0034] In the diagram: 1. Clamp body; 11. Clamping plate; 12. Hinge joint; 13. Pad; 14. Center hole; 2. Positioning connector; 3. Synchronizing screw; 31. Screw body; 32. Journal; 33. Splined shaft; 4. Dial wheel shaft tube; 41. Keyway; 42. Hollow shaft; 43. Dial wheel body; 5. Adjusting nut; 51. Connecting base; 52. Hinge position; 53. Threaded opening; 6. Straight groove; 7. Hinge hole; 8. Permanent magnet; 9. Clamping jaw. Detailed Implementation

[0035] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0036] Please refer to this as well. Figures 1-8 This utility model discloses a welding fixture with angle fine-tuning function, which is mainly used to fix square tubes so as to weld square tube frames. The technical solution disclosed in this utility model will be described below by way of specific embodiments.

[0037] In one specific embodiment disclosed in this utility model, such as Figure 1 The welding fixture mainly includes a fixture body 1, positioning connectors 2, synchronizing screws 3, and adjusting nuts 5. The fixture body 1 has a dial wheel shaft tube 4 inside, which can rotate freely. The synchronizing screws 3 are inserted into the dial wheel shaft tube 4 and rotate coaxially with it. A pair of synchronizing screws 3 are symmetrically arranged on both sides of the fixture body 1, and adjusting nuts 5 are fitted onto the synchronizing screws 3. The middle part of the adjusting nut 5 is threadedly connected to the synchronizing screw 3. A pair of positioning connectors 2, made of plastic, are symmetrically arranged on both sides of the adjusting nut 5. The adjusting nut 5 is suitable for sliding within a straight groove 6. In this embodiment, the straight groove 6 is located at the tail end of the positioning connector 2, and the head end of the positioning connector 2 has a hinge hole 7, which is installed at the end of the fixture body 1 in a shaft-hole mating manner. When the dial wheel shaft tube 4 is manually turned, the synchronous screws 3 at both ends of the dial wheel shaft tube 4 rotate coaxially and drive the two adjusting nuts 5 to move towards each other, which in turn causes the angle of the two adjacent positioning connectors 2 to change, thereby changing the angle between the positioning connectors 2 and the clamping body 1 with the first included angle. Since the positioning connectors 2 are used to fix the square tube, different welding angles can be adapted when welding the square tube frame.

[0038] In one specific embodiment disclosed in this utility model, such as Figure 2 The clamping body 1 is composed of two separate parts joined together. Each part includes a clamping plate 11 and two pads 13. The clamping plate 11 is made of steel through stamping, and has outwardly curved hinge joints 12 at both ends. A central hole 14 is provided in the middle of the clamping plate 11, and a dial wheel shaft tube 4 is rotatably mounted within the central hole 14, located between the two pads 13. Two pads 13 are provided on the inner side of the clamping plate 11, and the two clamping plates 11 are joined together in the clamping body 1 via the two pads 13.

[0039] In this embodiment, the dial shaft tube 4 includes a keyway 41, a hollow shaft 42, and a dial body 43. The hollow shaft 42 is rotatably disposed in the central hole 14. The keyway 41 is disposed in the hollow shaft 42 and drives the synchronous screw 3 to rotate through the keyway 41. The dial body 43 is disposed outside the hollow shaft 42. Two clamping plates 11 are located on both sides of the dial body 43. By turning the dial body 43, the synchronous screw 3 can be driven to rotate.

[0040] In some embodiments, such as Figure 7 The synchronizing screw 3 includes a stud body 31, a journal 32, and a splined shaft 33. An adjusting nut 5 is fitted onto the stud body 31. The stud body 31 is connected to the splined shaft 33 via the journal 32 and is integrally formed. The splined shaft 33 engages with a keyway 41 within a hollow shaft 42. In use, the splined shaft 33 can be directly inserted into the hollow shaft 42, and the hollow shaft 42 drives the splined shaft 33 to rotate. The stud body 31 and the adjusting nut 5 form a threaded pair, allowing the adjusting nut 5 to move along the length of the stud body 31.

[0041] In one specific embodiment disclosed in this utility model, such as Figure 4 and Figure 6 A permanent magnet 8 is provided in the middle of the positioning connector 2. The square tube of the sticker can be magnetically attracted by the permanent magnet 8. In addition, in order to further fix the weldment, a claw 9 is provided on the outside of the positioning connector 2. The claw 9 is used to hold the weldment and prevent the weldment from falling off the positioning connector 2.

[0042] In one specific embodiment disclosed in this utility model, such as Figure 5 The adjusting nut 5 includes a connecting base 51, a hinge position 52, and a threaded opening 53. The connecting base 51 is made of metal. A pair of hinge positions 52 are provided on both sides of the connecting base 51. The hinge positions 52 are slidably disposed in the straight groove 6. A threaded opening 53 is provided at the center of the connecting base 51. The threaded opening 53 is threadedly connected to the stud body 31. Thus, during the rotation of the stud body 31, the connecting base 51 is moved through the threaded opening 53, thereby adjusting the angle between two adjacent positioning connecting parts 2.

[0043] Although the present invention has been described in detail above with general descriptions and specific embodiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A welding fixture with angle fine-tuning function, characterized in that, include: The clamping body (1) has two synchronous screws (3) symmetrically arranged in the middle that can rotate synchronously; Two adjusting nuts (5) with opposite threads are respectively mounted on the two synchronizing screws (3); The positioning connector (2) is hinged at one end to the end of the clamp body (1), and the axis direction of the hinge, the axis direction of the synchronous screw (3) and the extension direction of the clamp body (1) are all perpendicular to each other. The other end of the positioning connector (2) is connected to the adjusting nut (5), and the positioning connector (2) and the clamp body (1) have a first included angle. The positioning connector (2) has a straight groove (6) at its tail end, and the adjusting nut (5) is adapted to slide within the straight groove (6).

2. The welding fixture with angle fine-tuning function according to claim 1, characterized in that, The clamping body (1) is formed by connecting two separate parts, the separate parts including: The clamp (11) has a central hole (14) in the middle and outwardly curved hinge joints (12) at both ends; Two pads (13) are located at the close ends of the clamping plates (11), and the two clamping plates (11) are joined together by the two pads (13), and the central hole (14) is located between the two pads (13).

3. The welding fixture with angle fine-tuning function according to claim 2, characterized in that, The clamp body (1) is also provided with a dial wheel shaft tube (4), which includes a keyway (41), a hollow shaft (42) and a dial wheel body (43). The hollow shaft (42) is rotatably arranged in the center hole (14), and the keyway (41) is provided in the hollow shaft (42), and the synchronous screw (3) is driven to rotate through the keyway (41). The hollow shaft (42) is provided with a dial body (43) on its outside.

4. The welding fixture with angle fine-tuning function according to claim 3, characterized in that, The synchronous screw (3) includes a stud (31), a journal (32) and a splined shaft (33). The adjusting nut (5) is sleeved on the stud (31). The stud (31) is connected to the splined shaft (33) through the journal (32) and is integrally formed. The splined shaft (33) is engaged with the keyway (41) provided in the hollow shaft (42).

5. The welding fixture with angle fine-tuning function according to claim 4, characterized in that, A permanent magnet (8) is provided in the middle of the positioning connector (2).

6. The welding fixture with angle fine-tuning function according to claim 4, characterized in that, The adjusting nut (5) includes a connecting base (51), a hinge position (52), and a threaded opening (53). A pair of hinge positions (52) are provided on both sides of the connecting base (51), and the hinge positions (52) are slidably disposed in the straight groove (6). The connecting base (51) is provided with a threaded opening (53) at its center, and the threaded opening (53) is threadedly connected to the stud body (31).

7. The welding fixture with angle fine-tuning function according to claim 1, characterized in that, The positioning connector (2) is made of plastic.

8. The welding fixture with angle fine-tuning function according to claim 1, characterized in that, The positioning connector (2) is provided with a gripper (9) on its outer side.

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