A welding fixture and welding apparatus

Abstract

This invention provides a welding fixture and welding equipment, including an inclined plate movably connected to a chassis and positioned above it. To achieve this movable connection, a connector is located at the center of the inclined plate's lower surface. A slot for embedding the connector is provided above the chassis, and inclined push rods are arranged in a circular array on the upper surface of the chassis. A slider is movably connected to the upper end of each inclined push rod, and a T-shaped groove for embedding the slider is provided on the lower surface of the inclined plate. A circular slide rail with a T-shaped cross-section is fixed to the upper surface of the inclined plate. A central shaft is located at the center of the inclined plate's upper surface, and two adjustable and rotatable adjustment frames are movably mounted above the inclined plate with the central shaft as the center. This invention, through the rotatable adjustment frames and the adjustable position of the clamping frames, enables the clamping of straight, corner, circular, and other complex shaped profiles.

Description

Technical Field

[0001] This invention belongs to the field of welding tooling technology, and particularly relates to a welding fixture and welding equipment. Background Technology

[0002] During profile processing, depending on the actual situation, it may be necessary to weld two profiles together to form a single workpiece. Conventional profile welding processes generally use manual welding methods. With social development, this has gradually shifted to laser welding. By fixing the equipment on a fixture and then using the welding equipment to process the material, safety has been improved.

[0003] Existing welding fixtures are not flexible enough and can only be used for a single type of profile. To clamp other shapes of profiles, the fixtures need to be replaced, which delays work efficiency. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a welding fixture and welding equipment. Through the combination of the rotatable adjustment frame and the adjustable position of the clamping frame, it is possible to clamp straight, corner, circular and other complex shaped profiles.

[0005] The technical solution adopted in this invention is as follows:

[0006] A welding fixture includes an inclined plate that is movably connected to a chassis and placed above it. To achieve the movable connection between the two, a connector is provided at the center of the inclined plate. A slot for embedding the connector is provided above the chassis. Inclined push rods are embedded in a circular array on the upper surface of the chassis. A slider is movably connected to the upper end of the inclined push rod. A T-shaped groove for embedding the slider is provided on the lower surface of the inclined plate.

[0007] A circular slide rail with a "T"-shaped cross-section is fixed on the upper surface of the tilting plate. A central shaft is located in the middle above the tilting plate. Two adjustable brackets are movably mounted above the tilting plate with the central shaft as the center. A sliding groove that fits into the slide rail is located below the adjustable bracket. A moving groove of a certain length is opened inside the two adjustable brackets. A clamping frame is installed in the moving groove. A screw is movably mounted inside the adjustable bracket.

[0008] Furthermore, the tail ends of the two adjustment frames are hinged, and the hinge is provided with an opening for the central shaft to pass through, so that the adjustment frame can rotate around the central shaft. The slide rail can be used to ensure that the adjustment frame 5 is more stable when rotating and will not shake.

[0009] Furthermore, a telescopic hydraulic cylinder is installed at each end of the adjustment frame. When the hydraulic cylinder 55 extends, it can clamp the profile.

[0010] Furthermore, the adjusting frame has an internal thread that connects to the screw, allowing the adjusting frame to be moved by rotating the screw.

[0011] Furthermore, the tilting push rod and the upper slider are connected by a swivel joint, so that after the tilting plate tilts, the slider and the tilting push rod can rotate at a certain angle to avoid affecting the tilting plate angle adjustment.

[0012] Furthermore, a downward-facing infrared transmitter is installed at the outer end of each of the two adjustment frames, and a circular signal receiver is embedded directly below the infrared transmitter and on the upper surface of the chassis.

[0013] Furthermore, an arc-shaped protrusion for installing positioning bolts is provided at the outer end of the adjustment frame, so that the positioning bolts will not affect the placement of the profile.

[0014] The present invention also provides a welding apparatus, including a welding device and the aforementioned welding fixture.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In this invention, the angle adjustment of the tilting plate is controlled by the extension / contraction of the tilting push rods in opposite directions. Furthermore, to improve the intelligence and automation of the device, a downward-facing infrared transmitter is installed at the outer end of each of the two adjustment frames. A circular signal receiver is embedded directly below the infrared transmitters and on the upper surface of the chassis. By determining the positions of the two infrared transmitters, the axis between the two points is determined by the calculation module. The positioning line perpendicular to the two points is calculated based on the axis to determine the tilting direction. Then, the tilting push rod that needs to work is determined and controlled to work, so that it cooperates with the welding equipment to weld the profile at the maximum angle.

[0017] 2. The present invention, through the combination of the rotatable adjustment frame and the adjustable position of the clamping frame, can realize the clamping work of straight, corner, circular and other complex shaped profiles.

[0018] 3. In this invention, the adjustment frame is movably mounted above the tilting plate, allowing the adjustment frame to rotate around the central axis. Furthermore, a sliding groove that engages with the slide rail is provided below the adjustment frame, which ensures that the adjustment frame is more stable during rotation and will not vibrate. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the connector structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the overall structure of the adjustment frame of the present invention;

[0023] Figure 5 This is a three-dimensional structural diagram of the clamping profile of the present invention;

[0024] Figure 6 This is a schematic diagram of the axis indicator structure of the present invention;

[0025] Figure 7 This is a schematic diagram of the position structure of the positioning bolt of the present invention.

[0026] In the picture:

[0027] 1-Chassis, 2-Silvable plate, 21-T-shaped slide, 3-Slide rail, 4-Central shaft, 5-Adjusting frame, 51-Moving groove, 52-Sliding slot, 53-Screw, 54-Clamping frame, 55-Hydraulic cylinder, 56-Positioning bolt, 6-Infrared transmitter, 7-Signal receiver, 8-Connector, 9-Silvable push rod, 91-Slider. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0029] As attached Figure 1-7 As shown.

[0030] A welding fixture and welding equipment includes an inclined plate 2 that is movably connected to a chassis 1 and placed above it. To achieve the movable connection between the two, a connector 8 is provided at the center position below the inclined plate 2, and a slot is provided above the chassis 1 for the connector 8 to be inserted.

[0031] Furthermore, eight or more tilting push rods 9 are arranged in a circular array on the upper surface of the chassis 1. A slider 91 is movably connected to the upper end of each tilting push rod 9. Correspondingly, a T-shaped groove 21 for mounting the slider 91 is provided on the lower surface of the tilting disk 2. The angle of the tilting disk 2 is adjusted by extending / retracting the tilting push rods 9 in opposite directions. Specifically: as shown in the attached figure. Figure 6As shown, the tilting push rod 9 in direction A extends, and the tilting push rod 9 in direction B corresponding to A retracts, so that the tilting disk 2 can tilt in the corresponding direction with line C as the axis; the T-shaped groove 21 is set because the tilting push rod 9 is fixed. The T-shaped groove 21 on the lower surface of the tilting disk 2 can prevent the tilting push rod 9 from pulling the tilting disk 2 when it retracts, so that it gradually tilts.

[0032] To achieve angle adjustment of the tilting plate 2, the tilting push rod 9 and the upper slider 91 are connected by a ball joint, consistent with the connection structure between the connector 8 and the chassis 1. When the tilting plate 2 is tilted, the slider 91 and the tilting push rod 9 can rotate at a certain angle to avoid affecting the angle adjustment of the tilting plate 2. Furthermore, when welding the profile, if... Figure 2 As shown, the tilting plate 2 changes from tilting up at end A and tilting down at end B to tilting up at end A and tilting down at end B. In this way, the profile can be welded at the maximum angle without adjusting the profile.

[0033] A circular slide rail 3 with a "T"-shaped cross-section is fixed on the upper surface of the tilting disk 2. A central shaft 4 is located in the middle above the tilting disk 2. Two adjustable brackets 5 are movably mounted above the tilting disk 2 with the central shaft 4 as the center. A sliding groove 52 that fits into the slide rail 3 is provided below the adjustable brackets 5. The tail ends of the two adjustable brackets 5 are hinged, and an opening for the central shaft 4 to pass through is provided at the hinge. The above structure enables the adjustable brackets 5 to be mounted above the tilting disk 2 and allows the adjustable brackets 5 to rotate with the central shaft 4 as the center. Furthermore, the slide rail 3 is provided to ensure that the adjustable brackets 5 are more stable when rotating and will not shake.

[0034] To achieve the function of clamping profiles in this solution, a certain length of movable groove 51 is provided inside each of the two adjusting frames 5. A clamping frame 54 is installed in the movable groove 51. To realize the change of position of the clamping frame 54, a screw 53 is movably installed inside the adjusting frame 5. The screw 53 is threadedly connected to the adjusting frame 5. By rotating the screw 53, the adjusting frame 5 can be moved, so that the adjusting frame 5 can be moved to the corresponding position according to the different profiles being clamped.

[0035] A telescopic hydraulic cylinder 55 is installed at each end of the adjusting frame 5. After the position of the adjusting frame 5 is determined, the hydraulic cylinder 55 extends to clamp the profile.

[0036] The adjustable adjustment frame 5 and the adjustable clamping frame 54 allow for the clamping of straight, corner, round, and other complex-shaped profiles. (See attached image.) Figure 5 , 6 .

[0037] Furthermore, to enhance the intelligence and automation of the device, a downward-facing infrared transmitter 6 is installed at the outer end of each of the two adjustment frames 5. A circular signal receiver 7 is embedded directly below the infrared transmitter 6 and on the upper surface of the chassis 1. By determining the positions of the two infrared transmitters 6, the calculation module determines the axis between the two points. Based on this axis, a positioning line perpendicular to the two points is calculated to determine the tilt direction (as shown in the attached diagram). Figure 6 (Line C in the middle).

[0038] Furthermore, once the position of the adjusting bracket 5 is adjusted, the position of the adjusting bracket 5 can be fixed by turning the positioning bolt 56 at the outer end of the adjusting bracket 5. In order to prevent the positioning bolt 56 from affecting the placement of the profile, an arc-shaped protrusion is provided at the outer end of the adjusting bracket 5 for installing the positioning bolt 56.

[0039] The working process is as follows: First, adjust the angle between the two adjustment frames 5 according to the shape of the clamping profile. After the angle is adjusted, adjust the position of the clamping frame 54 by rotating the handle at one end of the screw 53. Finally, place the two profiles on top of the two adjustment frames 5, and place the welding point at the position of the central axis 4.

[0040] Then, determine the positions of the two infrared emitters 6 at both ends, calculate the tilting push rod 9 that needs to work, and control it to work, thereby completing the welding work.

[0041] The present invention also provides a welding device, including a welding apparatus and the aforementioned profile welding fixture. The welding apparatus cooperates with the welding fixture to complete the welding of the profile. The welding apparatus is a prior art welding apparatus, and will not be described in detail here.

[0042] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solutions described in this invention, or by designing similar technical solutions by those skilled in the art under the inspiration of the technical solutions described in this invention, falls within the protection scope of this invention.

Claims

1. A welding fixture, comprising an inclined plate (2) movably connected to a base (1) and positioned above it, characterized in that: To achieve the movable connection between the two, a connector (8) is provided at the center below the tilting plate (2), a slot for embedding the connector (8) is provided above the chassis (1), and tilting push rods (9) are embedded in a circular array on the upper surface of the chassis (1). A slider (91) is movably connected to the upper end of the tilting push rod (9), and a T-shaped groove (21) for embedding the slider (91) is provided on the lower surface of the tilting plate (2). A circular slide rail (3) is fixed on the upper surface of the tilting plate (2), and the cross-section of the slide rail (3) is "T" shaped. A central shaft (4) is provided at the middle position above the tilting plate (2). With the central shaft (4) as the center, two adjustable brackets (5) are movably installed above the tilting plate (2). A sliding groove (52) that fits into the slide rail (3) is provided below the adjusting bracket (5). A certain length of moving groove (51) is opened inside the two adjusting brackets (5). A clamping frame (54) is installed in the moving groove (51). A screw (53) is movably installed inside the adjusting bracket (5). The tail end of the frame is hinged, and the hinge is provided with an opening for the central shaft (4) to pass through. An infrared emitter (6) facing downward is installed on the outer end of the two adjustment frames (5). A circular signal receiver (7) is embedded directly below the infrared emitter (6) and on the upper surface of the chassis (1). The position of the two infrared emitters (6) is determined by the signal receiver (7). The axis between the two points is determined by the calculation module. The positioning line perpendicular to the two points is calculated by the axis to determine the tilt direction. The length of the tilt push rod that needs to work is determined and controlled to work so that it can cooperate with the welding equipment to weld the profile at the maximum angle.

2. The welding fixture and welding equipment as described in claim 1, characterized in that: A retractable hydraulic cylinder (55) is installed at each end of the clamping frame (54).

3. The welding fixture as described in claim 1, characterized in that: The clamp (54) has an internal thread that is threaded to the screw (53).

4. A welding fixture as described in claim 1, characterized in that: The tilting push rod (9) is connected to the upper slider (91) by a swivel joint.

5. A welding fixture as described in claim 1, characterized in that: An arc-shaped protrusion for installing positioning bolts (56) is provided at the outer end of the adjustment frame (5).

6. A welding apparatus, comprising a welding device, characterized in that, It also includes the welding fixture described in any one of claims 1-5.

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