Flat section handrail welding positioning structure

Abstract

The utility model relates to the technical field of handrails, in particular to a flat section handrail welding positioning structure. The device comprises a positioning frame, clamping tables are fixedly connected to the inner bottom wall of the positioning frame, second containing grooves are formed in the upper ends of the two clamping tables, two first containing grooves are formed in the upper end of the positioning frame, positioning plates are slidably connected to the inner bottom walls of the two second containing grooves, and positioning mechanisms are arranged below the two positioning plates. Each positioning mechanism comprises a T-shaped groove, two delay grooves, a rack, a connecting block, a gear and a third motor, the T-shaped groove is formed in the inner bottom wall of the second placement groove, the two delay grooves are formed in the two side walls of the T-shaped groove respectively, the rack is slidably connected to the inner bottom wall of the T-shaped groove, and the gear is rotatably connected to the inner bottom wall of the T-shaped groove. And clamping can be conducted after adjustment is conducted according to the width of the flat section handrail, and welding errors caused by position shaking during welding are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of railings, in particular to a welding positioning structure of a flat-section railing. Background Art

[0002] Railing is a safety facility on bridges and buildings. Railing plays a role of separation and guidance in use, makes divided zone boundary clearly clear, the railing designed has very much a decorative significance.

[0003] When processing wrought iron railings, multiple railings need to be gradually welded into a whole. During the welding process, the railing components are not fixed, and the railing components shake during the welding process, causing the welding position to shift, resulting in welding errors. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a flat-section railing welding positioning structure, which can limit the railing, thereby positioning the welding position to prevent position deviation and welding errors.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A flat-section railing welding positioning structure comprises a positioning frame, the inner bottom wall of the positioning frame is fixedly connected with a clamping table, the upper ends of the two clamping tables are each provided with a second placement slot, the upper end of the positioning frame is provided with two first placement slots, the inner bottom walls of the two second placement slots are slidably connected with a positioning plate, a positioning mechanism is arranged below the two positioning plates, each group of the positioning mechanisms comprises a T-slot, two delay slots, a rack, a connecting block, a gear and a third motor, the T-slot is opened on the inner bottom wall of the second placement slot, the two delay slots are respectively opened on the two side walls of the T-slot, the rack is slidably connected to the inner bottom wall of the T-slot, the gear is rotatably connected to the inner bottom wall of the T-slot, the third motor is fixedly connected to the inner top wall of the T-slot, and the output end of the third motor is fixed to the upper end of the gear, and the gear and the rack are intermittently meshed.

[0007] By adopting the above technical solution, the positioning frame, positioning mechanism, L-shaped frame, second placement groove, clamping table and first placement groove can be adjusted according to the width of the flat section railing and then clamped to prevent the position from shaking during welding and causing welding errors.

[0008] In a preferred example, the utility model can be further configured as follows: a limit rod is fixedly connected between the side walls of the two delay slots, and the rack is slidably connected to the circumferential side of the limit rod.

[0009] By adopting the above technical solution, the rack and the limiting rod are slidably matched, which can improve the movement stability of the clamping plate.

[0010] In a preferred example, the utility model can be further configured as follows: a pressure plate groove is provided at the upper ends of the two clamping tables, a pressure plate is rotatably connected between the side walls of the two pressure plate grooves, a connecting rod is fixedly connected between the two pressure plates, a second motor is fixedly connected to one side of one of the clamping tables, and the output end of the second motor is fixed to one of the pressure plates.

[0011] By adopting the above technical solution, the second motor drives the pressure plate, and the connecting rod drives the two pressure plates to rotate, so that the upper end of the flat section railing can be limited.

[0012] In a preferred example, the utility model can be further configured as follows: both sides of the positioning frame are fixedly connected with L-shaped frames, one side of the two L-shaped frames are rotatably connected with a rotating disk, one side of the two rotating disks are fixedly connected with two first hydraulic cylinders, the output ends of the four first hydraulic cylinders are fixedly connected with two clamping disks, one side of one of the L-shaped frames is fixedly connected with a first motor, and the output end of the first motor is fixed to one of the rotating disks.

[0013] By adopting the above technical solution, the rotating disk, the first hydraulic cylinder and the clamping disk cooperate with each other, and after the flat section railing is clamped by the clamping mechanism, the flat section railing can be driven to flip over for welding.

[0014] In a preferred example, the utility model can be further configured as follows: a clamping mechanism is provided on each of the two clamping disks, each group of the clamping mechanisms includes two rectangular grooves, two clamping plates and two second hydraulic cylinders, the two rectangular grooves are opened on one side of the clamping disks, the two second hydraulic cylinders are respectively fixedly connected to the top wall and the bottom wall of the two rectangular grooves, and the two clamping plates are respectively fixedly connected to the output ends of the two second hydraulic cylinders.

[0015] By adopting the above technical solution, the clamping mechanism can clamp the flat section railing to facilitate flipping at a later time.

[0016] In a preferred example, the utility model can be further configured as follows: two sliding rods are fixedly connected between the inner top wall and the inner bottom wall of the two rectangular grooves, and the two clamping plates are respectively slidably connected to the circumferential sides of the four sliding rods.

[0017] By adopting the above technical solution, the clamping plate and the sliding rod are slidably matched, which can improve the movement stability of the clamping plate.

[0018] In summary, the present invention includes at least one of the following beneficial technical effects:

[0019] 1. A positioning frame, a positioning mechanism, an L-shaped frame, a second placement slot, a clamping table and a first placement slot are provided. The flat section railing is placed in the first placement slot and the second placement slot, and the third motor is started. The output end of the third motor drives the gear to rotate, the gear is meshed with the rack, the rack moves, and the rack drives the connecting block and the positioning plate to move. The positioning plate can be adjusted according to the width of the flat section railing and then clamped to prevent the position from shaking during welding, which may cause welding errors.

[0020] 2. A clamping plate, a rotating plate, a first motor, a clamping mechanism and a second placement slot are provided. When the welding of one side of the flat section railing is completed, the first hydraulic cylinder is started, and the first hydraulic cylinder pushes the clamping plate close to the flat section railing. When the flat section railing is located between the two clamping plates, the second hydraulic cylinder is started, and the second hydraulic cylinder pushes the clamping plate to move. The two clamping plates clamp the upper and lower ends of the flat section railing. The first motor is started, and the first motor can drive the rotating plate to rotate, and the rotating plate drives the clamping plate to rotate, and the clamping plate drives the flat section railing to rotate for flipping, which is convenient for flipping welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a stereogram of this embodiment;

[0022] Figure 2 is a first stereoscopic cross-sectional view of the present embodiment;

[0023] Figure 3 This embodiment Figure 2 A partial enlarged view of the middle A;

[0024] Figure 4 is a second stereoscopic cross-sectional view of the present embodiment;

[0025] Figure 5 This embodiment Figure 4 A partial enlarged view of point B in the middle.

[0026] In the figure, 1, positioning frame; 2, L-shaped frame; 3, clamping table; 4, first motor; 5, rotating disk; 6, first hydraulic cylinder; 7, clamping disk; 8, connecting rod; 9, pressure plate; 10, second motor; 11, pressure plate groove; 12, first placement groove; 13, positioning plate; 14, positioning mechanism; 1401, T-shaped groove; 1402, delay groove; 1403, limit rod; 1404, rack; 1405, connecting block; 1406, gear; 1407, third motor; 15, clamping mechanism; 1501, rectangular groove; 1502, clamping plate; 1503, second hydraulic cylinder; 1504, slide bar; 16, second placement groove. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] Example:

[0029] Reference Figure 1-5 The utility model discloses a flat railing welding positioning structure, including a positioning frame 1, the inner bottom wall of the positioning frame 1 is fixedly connected with a clamping platform 3, the upper ends of the two clamping platforms 3 are each provided with a second placement groove 16, the upper end of the positioning frame 1 is provided with two first placement grooves 12, the inner bottom walls of the two second placement grooves 16 are both slidably connected with a positioning plate 13, and a positioning mechanism 14 is provided below the two positioning plates 13, each group of positioning mechanisms 14 includes a T-slot 1401, two delay slots 1402, a rack 1404, a connecting block 1405, a gear 1406 and a third motor 1407, the T-slot 1401 is provided on the inner bottom wall of the second placement groove 16, the two delay slots 1402 are respectively provided on the two side walls of the T-slot 1401, the rack 1404 is slidably connected to the T-slot The inner bottom wall of the groove 1401, the gear 1406 is rotatably connected to the inner bottom wall of the T-slot 1401, the third motor 1407 is fixedly connected to the inner top wall of the T-slot 1401, and the output end of the third motor 1407 is fixed to the upper end of the gear 1406, the gear 1406 is intermittently meshed with the rack 1404, the flat section railing is placed in the first placement groove 12 and the second placement groove 16, the third motor 1407 is started, and the output end of the third motor 1407 drives the gear 1406 to rotate, the gear 1406 is meshed with the rack 1404, the rack 1404 moves, and the rack 1404 drives the connecting block 1405 and the positioning plate 13 to move. The positioning plate 13 can be adjusted according to the width of the flat section railing and then clamped to prevent the position from shaking during welding, resulting in welding errors.

[0030] A limiting rod 1403 is fixedly connected between the side walls of the two delay slots 1402 , and a rack 1404 is slidably connected to the circumferential side of the limiting rod 1403 . The sliding fit between the rack 1404 and the limiting rod 1403 can improve the movement stability of the clamping plate 1502 .

[0031] A pressure plate groove 11 is provided at the upper end of the two clamping platforms 3, and a pressure plate 9 is rotatably connected between the side walls of the two pressure plate grooves 11, and a connecting rod 8 is fixedly connected between the two pressure plates 9. A second motor 10 is fixedly connected to one side of one of the clamping platforms 3, and the output end of the second motor 10 is fixed to one of the pressure plates 9. The second motor 10 drives the pressure plate 9, and the connecting rod 8 drives the two pressure plates 9 to rotate, so that the upper end of the flat section railing can be limited.

[0032] L-shaped frames 2 are fixedly connected to both sides of the positioning frame 1, and rotating disks 5 are rotatably connected to one side of the two L-shaped frames 2. Two first hydraulic cylinders 6 are fixedly connected to one side of the two rotating disks 5, and two clamping disks 7 are fixedly connected to the output ends of the four first hydraulic cylinders 6. A first motor 4 is fixedly connected to one side of one of the L-shaped frames 2, and the output end of the first motor 4 is fixed to one of the rotating disks 5. The rotating disk 5, the first hydraulic cylinder 6, and the clamping disk 7 cooperate to clamp the flat section railing through the clamping mechanism 15, and then drive the flat section railing to flip for welding.

[0033] The two clamping plates 7 are provided with clamping mechanisms 15, each set of clamping mechanisms 15 includes two rectangular grooves 1501, two clamping plates 1502 and two second hydraulic cylinders 1503. The two rectangular grooves 1501 are both opened on one side of the clamping plate 7. The two second hydraulic cylinders 1503 are respectively fixedly connected to the top wall and the bottom wall of the two rectangular grooves 1501. The two clamping plates 1502 are respectively fixedly connected to the output ends of the two second hydraulic cylinders 1503. When the welding of one surface of the flat section railing is completed, the clamping mechanism 15 is started. The first hydraulic cylinder 6 pushes the clamping plate 7 to approach the flat section railing. When the flat section railing is located between the two clamping plates 1502, the second hydraulic cylinder 1503 is started. The second hydraulic cylinder 1503 pushes the clamping plate 1502 to move. The two clamping plates 1502 clamp the upper and lower ends of the flat section railing. The first motor 4 is started. The first motor 4 can drive the rotating plate 5 to rotate. The rotating plate 5 drives the clamping plate 7 to rotate. The clamping plate 7 drives the flat section railing to rotate for turning over, which is convenient for turning over welding.

[0034] Two sliding bars 1504 are fixedly connected between the inner top wall and the inner bottom wall of the two rectangular grooves 1501. The two clamping plates 1502 are respectively slidably connected to the circumferential sides of the four sliding bars 1504. The sliding cooperation between the clamping plates 1502 and the sliding bars 1504 can improve the movement stability of the clamping plates 1502.

[0035] The implementation principle of the above embodiment is: place the flat section railing into the first placement groove 12 and the second placement groove 16, start the third motor 1407, the output end of the third motor 1407 drives the gear 1406 to rotate, the gear 1406 is meshed with the rack 1404, the rack 1404 moves, and the rack 1404 drives the connecting block 1405 and the positioning plate 13 to move. The positioning plate 13 can be adjusted according to the width of the flat section railing and then clamped to prevent the position from shaking during welding, which may cause welding errors.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A flat section railing welding positioning structure, comprising a positioning frame (1), characterized in that: The inner bottom wall of the positioning frame (1) is fixedly connected to a clamping platform (3), and the upper ends of the two clamping platforms (3) are each provided with a second placement groove (16). The upper end of the positioning frame (1) is provided with two first placement grooves (12), and the inner bottom walls of the two second placement grooves (16) are slidably connected to a positioning plate (13). A positioning mechanism (14) is provided below the two positioning plates (13), and each group of the positioning mechanisms (14) includes a T-shaped groove (1401), two delay grooves (1402), a rack (1404), a connecting block (1405), a gear (1406) and a third motor (140 7), the T-slot (1401) is provided on the inner bottom wall of the second placement slot (16), the two delay slots (1402) are respectively provided on the two side walls of the T-slot (1401), the rack (1404) is slidably connected to the inner bottom wall of the T-slot (1401), the gear (1406) is rotatably connected to the inner bottom wall of the T-slot (1401), the third motor (1407) is fixedly connected to the inner top wall of the T-slot (1401), and the output end of the third motor (1407) is fixed to the upper end of the gear (1406), and the gear (1406) and the rack (1404) are intermittently meshed.

2. A flat section railing welding positioning structure according to claim 1, characterized in that: A limiting rod (1403) is fixedly connected between the side walls of the two delay slots (1402), and the rack (1404) is slidably connected to the circumferential side of the limiting rod (1403).

3. A flat section railing welding positioning structure according to claim 1, characterized in that: A pressure plate groove (11) is provided at the upper end of the two clamping platforms (3), a pressure plate (9) is rotatably connected between the side walls of the two pressure plate grooves (11), a connecting rod (8) is fixedly connected between the two pressure plates (9), a second motor (10) is fixedly connected to one side of one of the clamping platforms (3), and an output end of the second motor (10) is fixed to one of the pressure plates (9).

4. A flat section railing welding positioning structure according to claim 1, characterized in that: Both sides of the positioning frame (1) are fixedly connected to L-shaped frames (2), one side of the two L-shaped frames (2) is rotatably connected to a rotating disk (5), one side of the two rotating disks (5) is fixedly connected to two first hydraulic cylinders (6), the output ends of the four first hydraulic cylinders (6) are fixedly connected to two clamping disks (7), one side of one of the L-shaped frames (2) is fixedly connected to a first motor (4), and the output end of the first motor (4) is fixed to one of the rotating disks (5).

5. A flat section railing welding positioning structure according to claim 4, characterized in that: The two clamping plates (7) are each provided with a clamping mechanism (15), and each group of the clamping mechanisms (15) comprises two rectangular grooves (1501), two clamping plates (1502) and two second hydraulic cylinders (1503). The two rectangular grooves (1501) are each opened on one side of the clamping plate (7), and the two second hydraulic cylinders (1503) are respectively fixedly connected to the inner top wall and the inner bottom wall of the two rectangular grooves (1501), and the two clamping plates (1502) are respectively fixedly connected to the output ends of the two second hydraulic cylinders (1503).

6. A flat section railing welding positioning structure according to claim 5, characterized in that: Two sliding bars (1504) are fixedly connected between the inner top wall and the inner bottom wall of the two rectangular grooves (1501), and the two clamping plates (1502) are respectively slidably connected to the circumferential sides of the four sliding bars (1504).

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