Welding positioning device for frame parts

Abstract

The utility model relates to a welding positioning device for frame parts, which belongs to the field of positioning devices and comprises a support platform (1) and a support frame (10), the support platform (1) is connected with a fixed frame (8), the fixed frame (8) is provided with a rotating shaft (4), the support platform (1) is provided with a through hole (27) matched with the welding position of the frame parts, and the rotating shaft (4) is connected with the support frame (10). One end of the rotating shaft (4) is connected with a first limiting block (9), the other end of the rotating shaft (4) is connected with a second limiting block (11), and the first limiting block (9) and the second limiting block (11) are arranged at the two ends of the supporting frame (10). Multi-surface and multi-welding-spot welding work can be completed through one-time positioning, the problem that parts are unqualified due to secondary positioning is solved, the product percent of pass is greatly increased, and the working efficiency is improved; and a rotating device is additionally arranged, back welding can be completed through a through hole in the operation process, use is convenient, and time and labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of positioning device, concretely, the utility model relates to a welding positioning device for frame parts. BACKGROUND

[0002] At present, in the welding operation of frame parts, the positioning device is indispensable. The positioning device can ensure that the relative positions between parts do not change during welding, thereby controlling the product precision.

[0003] Most frame parts require full-welding seam welding. At this time, the ordinary positioning device will affect part of the welding position to become a blind area, which cannot complete the welding of multiple surfaces and multiple welding points. After the front welding is completed, the workpiece needs to be disassembled for secondary positioning and welding of the blind area welding points in the first welding process. The welding precision after secondary positioning is not easy to control, and the process operation is complex, time-consuming and laborious. In addition, multiple sets of positioning devices need to be manufactured, thereby increasing the manufacturing cost.

[0004] Chinese patent CN215034909U disclosed a welding positioning tool and a welding positioning tool box support assembly on December 7, 2021, which comprises a welding platform, and two welding positioning tool box support assemblies are arranged on the welding platform with an interval left and right; the welding positioning tool box support assembly comprises: a support for supporting the bottom wall and the inner side wall of the box to be welded; a clamp comprising a top beam and a pressing arm; the top beam is used to support the bottom wall of the box to be welded; the pressing arm is provided with two, and the two pressing arms are hinged at the two ends of the top beam, and the two pressing arms are provided with a pressing surface, and the pressing surface is used to limit the box to be welded between the support and the pressing arm; a locking structure is arranged between the pressing arm and the support, and is used to press the side wall of the box to be welded on the support. It cannot solve the problem of multi-surface welding workpiece. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rotatable welding positioning device convenient for multi-surface welding of frame parts.

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] A welding positioning device for frame parts, comprising a support platform, a support frame is arranged below the support platform, a fixed frame is connected to one side of the support platform, a through hole matched with the welding position of the frame part is arranged on the support platform, and a rotating mechanism is arranged on one side of the fixed frame.

[0008] The rotating mechanism comprises a rotating shaft, a first limiting block and a second limiting block, and the rotating shaft is connected to one side of the fixed frame; one end of the rotating shaft is connected to the first limiting block, and the other end of the rotating shaft is connected to the second limiting block; the first limiting block and the second limiting block are arranged at the two ends of the support frame respectively.

[0009] The first limiting block is provided with a first groove, and the second limiting block is provided with a second groove; one end of the rotating shaft is matched with the first groove, and the other end of the rotating shaft is matched with the second groove.

[0010] The fixed frame comprises a connecting rod and a supporting rod, the supporting rod is connected to the connecting rod on both sides, and the supporting rod is fixedly connected to the supporting platform; the connecting rod is provided with a third groove matched with the rotating shaft, and the third groove is fixedly connected to the rotating shaft.

[0011] The frame-like part comprises a main beam and a supporting beam, the main beam is arranged at both ends of the supporting beam, the end of the main beam is provided with a connecting block, and the connecting block is connected to the supporting platform.

[0012] The supporting platform comprises a flat plate, and the flat plate is connected to the supporting rod; the supporting rods are symmetrically distributed with the rotating shaft as the axis of symmetry.

[0013] The connecting block is in a U shape, the supporting platform is provided with a limiting groove matched with the frame-like part, the connecting block is fixedly connected to the end of the limiting groove, and the main beam and the supporting beam are arranged in the limiting groove.

[0014] One end of the rotating shaft is provided with a first fixed bolt, and the first fixed bolt is connected to the first limiting block; the other end of the rotating shaft is provided with a second fixed bolt, and the second fixed bolt is connected to the second limiting block.

[0015] The supporting frame comprises a base, the base is respectively connected with a first supporting seat and a second supporting seat at both ends, the first limiting block is connected to the first supporting seat, and the second limiting block is connected to the second supporting seat.

[0016] One end of the rotating shaft is provided with a rotating disc, and the rotating shaft and the rotating disc are connected through a rotation-stopping positioning key; the first groove, the second groove and the third groove are arc-shaped grooves.

[0017] The technical effect of the utility model is:

[0018] (1) the welding work of multiple faces and multiple welding points can be completed through one positioning, the unqualified problem of a workpiece caused by secondary positioning is reduced, and the product qualified rate and the operation efficiency are greatly improved.

[0019] (2) the rotating device is increased, the welding of the back surface can be completed through the through hole in the operation process, the use is convenient, time and labor are saved.

[0020] (3) the rotating frame has a proper height, and is friendly to operators.

[0021] (4) the rotating positioning device has a simple structure, a short manufacturing period, and a firm and stable structure. DRAWINGS

[0022] The description includes the following drawings, the contents shown are respectively:

[0023] Figure 1 It is a schematic view of a welding positioning device for a frame type part.

[0024] Figure 2 It is an exploded view. Figure 1

[0025] In the figure, marked: 1, support platform; 2, connecting block; 3, rotating mechanism; 4, rotating shaft; 5, rotating disc; 6, rotation stopping positioning key; 7, first fixed bolt; 8, fixed frame; 9, first limiting block; 10, support frame; 11, second limiting block; 12, second fixed bolt; 13, limiting groove; 14, base; 15, first support seat; 16, second support seat; 17, third groove; 18, support rod; 19, first hole; 20, second hole; 21, flat plate; 22, third hole; 23, fourth hole; 24, connecting rod; 25, main beam; 26, support beam; 27, through hole; 28, first groove; 29, second groove. DETAILED DESCRIPTION

[0026] The specific embodiments of the present application are further described in detail below with reference to the drawings, by describing the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to help its implementation.

[0027] As Figure 1 shown, a welding positioning device for a frame type part, including support platform 1, support platform 1 below is provided with support frame 10, one side of support platform 1 is connected with fixed frame 8, support platform 1 is provided with through hole 27 matched with welding place of frame type part, one side of fixed frame 7 is provided with rotating mechanism 3. The through hole 27 is arranged at the place where the frame type part needs to be welded, the remaining pore is used for turning over the support platform 1, and the back of the frame type part can be welded. The side away from the support platform 1 of the fixed frame 8 is provided with the rotating mechanism 3, and the rotating mechanism 3 is used for turning over the frame type part on the support platform 1.

[0028] The rotating mechanism 3 includes rotating shaft 4, first limiting block 9 and second limiting block 11, rotating shaft 4 and one side of fixed frame 8 are connected; one end of rotating shaft 4 and first limiting block 9 are connected, the other end of rotating shaft 4 and second limiting block 11 are connected; first limiting block 9 and second limiting block 11 are respectively arranged at both ends of support frame 10. The lower side of support platform 1 is connected with fixed frame 8 through bolts, fixed frame 8 is fixed with rotating shaft 4, one end of rotating shaft 4 is connected with first limiting block 9, and the other end of rotating shaft 4 is connected with second limiting block 11.

[0029] As Figure 2 ​As shown, the first limiting block 9 is provided with a first recess 28, and the second limiting block 11 is provided with a second recess 29; one end of the rotating shaft 4 is matched with the first recess 28, and the other end of the rotating shaft 4 is matched with the second recess 29. The first limiting block 9 and the second limiting block 11 are both provided with recesses, and the two ends of the rotating shaft 4 are arranged in the first recess 28 and the second recess 29.

[0030] The fixed frame 8 includes a connecting rod 24 and a supporting rod 18, the supporting rod 18 and the connecting rod 24 are connected on both sides, and the supporting rod 18 is fixedly connected with the supporting platform 1; the connecting rod 24 is provided with a third recess 17 matched with the rotating shaft 4, and the third recess 17 is fixedly connected with the rotating shaft 4. The supporting rod 18 can be provided in multiple groups, and is used for being fixedly connected with the supporting platform 1 to support the supporting platform 1 and the frame-like part. When the rotating shaft 4 rotates, it can drive the supporting platform 1 and the fixed frame 8 to rotate, and the rotating shaft 4 and the connecting rod 24 are fixedly connected through bolt fixing or welding.

[0031] The frame-like part includes a main beam 25 and a supporting beam 26, the main beam 25 is arranged at both ends of the supporting beam 26, and the main beam 25 is provided with a connecting block 2 at the end, and the connecting block 2 is connected with the supporting platform 1. The frame-like part is installed on the supporting platform 1, and the four end portions of the main beam 25 of the frame-like part are provided with the connecting block 2, and the connecting block 2 is fixed with the supporting platform 1 through bolts.

[0032] The supporting platform 1 includes a flat plate 21, and the flat plate 21 is connected with the supporting rod 18; the supporting rod 18 is symmetrically distributed with the rotating shaft 4 as the axis of symmetry. The supporting rod 18 is connected with the flat plate 1 through bolts, and the supporting rod 18 is provided in multiple groups and symmetrically distributed, so that the supporting effect is better.

[0033] The connecting block 2 is in a U shape, the supporting platform 1 is provided with a limiting groove 13 matched with the frame-like part, the connecting block 2 is fixedly connected with the end portion of the limiting groove 13, and the main beam 25 and the supporting beam 26 are arranged in the limiting groove 13. The U-shaped connecting block 2 has a better effect of fixing the main beam 25, the supporting platform 1 is provided with the limiting groove 13 matched with the frame-like part, so that the frame-like part can be fixed more stably, and the shaking in the welding process is prevented.

[0034] The first fixed bolt 7 is arranged at one end of the rotating shaft 4 and connected with the first limiting block 9. The second fixed bolt 12 is arranged at the other end of the rotating shaft 4 and connected with the second limiting block 11. The first hole 19 is arranged at the position where the rotating shaft 4 is connected with the first limiting block 9, and the first fixed bolt 7 is arranged in the first hole 19, so as to prevent the rotating shaft 4 from rotating. The second hole 20 is arranged at the position where the rotating shaft 4 is connected with the second limiting block 11, and the second fixed bolt 12 is arranged in the second hole 20, so as to prevent the rotating shaft 4 from rotating. The first recess 28 is provided with the third hole 22, and the second recess 29 is provided with the fourth hole 23. The first fixed bolt 7 passes through the first hole 19 and the third hole 22, so as to be fixed with the first limiting block 9. The second fixed bolt 12 passes through the second hole 20 and the fourth hole 23, so as to be fixed with the second limiting block 11. The first fixed bolt 7 and the second fixed bolt 12 can be removed, so as to rotate the rotating shaft 4 and the fixed frame 8, drive the support platform 1 to overturn, rotate the fixed frame 8 to the back, and then fix the first fixed bolt 7 and the second fixed bolt 12 after being fixed, so as to realize the welding of the connecting position of the other surface of the frame part.

[0035] The support frame 10 comprises a base 14, and the base 14 is connected with the first support seat 15 and the second support seat 16 at two ends respectively. The first support seat 15 is connected with the first limiting block 9, and the second support seat 16 is connected with the second limiting block 11. The base 14 is a square frame, and a connecting rod is arranged in the square frame, which is used for reinforcing the structural strength. The first support seat 15 and the second support seat 16 are symmetrical trapezoidal support frames, and a reinforcing rod is arranged in the middle of the trapezoidal support frame, which plays a reinforcing role.

[0036] The rotating shaft 4 is provided with the rotating disc 5 at one end, and the rotating shaft 4 and the rotating disc 5 are connected through the rotation-stopping positioning key 6. The first recess 28, the second recess 29 and the third recess 17 are arc-shaped grooves. The rotation-stopping positioning key 6 is arranged at one end of the rotating shaft 4, which is used for the rotating disc 6 to rotate the rotating shaft 4. The arc-shaped grooves are convenient for cooperation with the rotating shaft 4.

[0037] The utility model discloses a working principle: frame class spare end is equipped with connecting block 2, and connecting block 2 is fixed through bolt and support platform 1, and support platform 1 is connected through bolt and fixed frame 8, and fixed frame 8 and pivot 4 fixed connection, and pivot 4 both ends are equipped with first hole 19 and second hole 20, and first hole 19 is connected with first fixed bolt 7, and second hole 20 is connected with second fixed bolt 12, first recess 28 is equipped with third hole 22, and second recess 29 is equipped with fourth hole 23, and first fixed bolt 7 is arranged first hole 19 and third hole 22, and second fixed bolt 12 is arranged second hole 20 and fourth hole 23, and after fixing, welding is carried out, first fixed bolt 7 and second fixed bolt 12 can be disassembled, and pivot 4 and fixed frame 8 can be realized rotation, and after fixed frame 8 rotates to back, first fixed bolt 7 and second fixed bolt 12 are loaded again, and after fixing, welding is carried out, and one end of pivot 4 is equipped with rotation stop positioning key 6, and pivot 4 and turntable 5 are connected through rotation stop positioning key 6, and the rotation of turntable 5 is convenient, and support platform 1 rotates, and the welding work of multi -faced multi -welding point is completed.

[0038] The utility model has been described exemplarily above in connection with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by using the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A welding positioning device for frame-type parts, characterized in that: It includes a support platform (1), a support frame (10) under the support platform (1), a fixed frame (8) connected to one side of the support platform (1), a through hole (27) on the support platform (1) that mates with the welding point of the frame-like parts, and a rotating mechanism (3) on one side of the fixed frame (8).

2. The welding positioning device for a frame-like part according to claim 1, characterized in that: The rotating mechanism (3) includes a rotating shaft (4), a first limiting block (9), and a second limiting block (11). The rotating shaft (4) is connected to one side of the fixed frame (8). One end of the rotating shaft (4) is connected to the first limiting block (9), and the other end of the rotating shaft (4) is connected to the second limiting block (11). The first limiting block (9) and the second limiting block (11) are respectively located at both ends of the support frame (10).

3. The welding positioning device for a frame-like part according to claim 2, characterized in that: The first limiting block (9) is provided with a first groove (28), and the second limiting block (11) is provided with a second groove (29); one end of the rotating shaft (4) is engaged with the first groove (28), and the other end of the rotating shaft (4) is engaged with the second groove (29).

4. The welding positioning device for a frame-like part according to claim 3, characterized in that: The fixed frame (8) includes a connecting rod (24) and a support rod (18). The support rod (18) and the connecting rod (24) are connected on both sides. The support rod (18) and the support platform (1) are fixedly connected. The connecting rod (24) is provided with a third groove (17) that cooperates with the rotating shaft (4). The third groove (17) and the rotating shaft (4) are fixedly connected.

5. The welding positioning device for a frame-like part according to claim 4, characterized in that: The frame-like parts include a main beam (25) and a support beam (26). The main beam (25) is located at both ends of the support beam (26). A connecting block (2) is provided at the end of the main beam (25). The connecting block (2) is connected to the support platform (1).

6. The welding positioning device for a frame-like part according to claim 5, characterized in that: The support platform (1) includes a flat plate (21), which is connected to a support rod (18); the support rod (18) is symmetrically distributed about the axis of rotation (4).

7. The welding positioning device for a frame-like part according to claim 6, characterized in that: The connecting block (2) is U-shaped, and the support platform (1) is provided with a limiting groove (13) that cooperates with the frame-like parts. The ends of the connecting block (2) and the limiting groove (13) are fixedly connected, and the main beam (25) and the support beam (26) are located in the limiting groove (13).

8. The welding positioning device for a frame-like part according to claim 7, characterized in that: One end of the rotating shaft (4) is provided with a first fixing pin (7), which is connected to a first limiting block (9); the other end of the rotating shaft (4) is provided with a second fixing pin (12), which is connected to a second limiting block (11).

9. A welding positioning device for frame-type parts according to any one of claims 2-8, characterized in that: The support frame (10) includes a base (14), with a first support seat (15) and a second support seat (16) connected to both ends of the base (14). The first limiting block (9) is connected to the first support seat (15), and the second limiting block (11) is connected to the second support seat (16).

10. A welding positioning device for frame-type parts according to any one of claims 3-8, characterized in that: One end of the rotating shaft (4) is provided with a turntable (5), and the rotating shaft (4) and the turntable (5) are connected by a stop-rotation positioning key (6); the first groove (28), the second groove (29) and the third groove (17) are arc-shaped grooves.

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