Vertical different-diameter steel bar welding alignment device

Abstract

The utility model discloses a vertical different-diameter steel bar welding alignment device, and belongs to the field of steel bar welding. A vertical different-diameter steel bar welding alignment device comprises a bottom round box, a top round box is arranged on the bottom round box, a fixing disc is arranged in the bottom round box, a first clamping assembly for fixing a lower end steel bar is arranged in the bottom round box, and a positioning assembly for aligning a steel bar to be welded and the lower end steel bar is arranged on the bottom round box. The positioning assembly comprises a motor fixedly connected to the bottom of the bottom round box, a threaded rod fixedly connected to the output end of the motor and a fixing rod fixedly connected to the inner bottom wall of the bottom round box, and the end, away from the bottom round box, of the threaded rod is in threaded connection with the inner wall of the top round box. According to the utility model, two groups of reinforcing steel bars can be fixed on the same axial lead and can move relatively and vertically, so that the two groups of reinforcing steel bars to be welded can be accurately aligned, and the reinforcing steel bar welding stability and the reinforcing steel bar welding quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar welding, in particular to a vertical different-diameter steel bar welding alignment device. Background Art

[0002] Electroslag pressure welding is a method of placing two steel bars in a vertical or oblique (with an inclination within the range of 4:1) butt joint, using welding current to pass through the gap between the two steel bars to form an arc process and an electroslag process under the flux layer to generate arc heat and resistance heat to melt the steel bars and achieve steel bar welding.

[0003] In the prior art, when welding steel bars, the lower end steel bars must be fixed first, and then the steel bars to be welded must be fixed, and then the two sections of steel bars are wrapped with welding rods at the joint, and welding is performed using electric current. Since the prior art lacks a device for aligning the two sections of steel bars, it is easy to cause inaccurate welding of the two sections of steel bars during welding, resulting in poor quality of the steel bars after welding. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that, when welding steel bars, the two sections of steel bars are easily welded inaccurately, resulting in poor quality of the welded steel bars, and a vertical different-diameter steel bar welding alignment device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A vertical different-diameter steel bar welding alignment device comprises a bottom circular box, a top circular box is arranged on the bottom circular box, a fixing plate is arranged inside the bottom circular box, a first clamping assembly for fixing the lower end steel bar is arranged inside the bottom circular box, a positioning assembly for aligning the steel bar to be welded and the lower end steel bar is arranged on the bottom circular box, the positioning assembly comprises a motor fixedly connected to the bottom of the bottom circular box, a threaded rod fixedly connected to the output end of the motor, and a fixing rod fixedly connected to the bottom wall of the bottom circular box, one end of the threaded rod away from the bottom circular box is threadedly connected to the inner wall of the top circular box, and the fixing rod passes through the top circular box and extends outward.

[0007] As a preferred technical solution of the present application, the inner wall of the bottom round box is fixedly connected to a limiting sleeve, and the first clamping assembly includes a toothed disc mounted on a threaded rod, a first toothed ring rotatably connected to the inner wall of the limiting sleeve and meshing with the toothed disc, a first connecting rod fixedly connected between the bottom of the fixed disc and the inner bottom wall of the bottom round box, a first toothed column mounted on the first connecting rod and meshing with the first toothed ring, a second limiting block fixedly connected to the inner bottom wall of the bottom round box, and a first rack slidably connected to the outer wall of the second limiting block and meshing with the first toothed column, and a pressure head is fixedly connected to the end of the first rack away from the second limiting block.

[0008] As a preferred technical solution of the present application, a rotating sleeve is fixedly connected to the top of the first gear ring, and a lifting rod is slidably connected to the end of the rotating sleeve away from the first gear ring. A second clamping assembly for fixing the steel bars to be welded is provided inside the top round box.

[0009] As a preferred technical solution of the present application, the second clamping assembly includes a second gear ring fixedly connected to the end of the lifting rod away from the rotating sleeve, a second connecting rod fixedly connected to the inner wall of the top round box, a second gear column sleeved on the outer wall of the second connecting rod and meshed with the second gear ring, a second limit block fixedly connected to the inner wall of the top round box, and a second rack slidably connected to the outer wall of the second limit block and meshed with the second gear column, and a pressure head is fixedly connected to the end of the second rack away from the second limit block.

[0010] As a preferred technical solution of the present application, a welding box is sleeved on the outer wall of the fixing rod, and a through hole for the steel bar to pass through is provided at the bottom of the welding box.

[0011] As a preferred technical solution of the present application, the axis center of the bottom round box coincides with the axis center of the top round box.

[0012] Compared with the prior art, the utility model provides a vertical different-diameter steel bar welding alignment device, which has the following beneficial effects:

[0013] 1. The vertical different-diameter steel bar welding alignment device inserts the lower end steel bar into the bottom round box, fixes it by the first clamping assembly, inserts the steel bar to be welded into the top round box, and fixes it by the second clamping assembly. At this time, through the cooperation of the set motor, threaded rod and fixed rod, the top round box can be driven to move vertically relative to the bottom round box, so that the lower end steel bar and the steel bar to be welded can be aligned, which is convenient for accurate and stable welding of the steel bars and improves the quality of steel bar welding.

[0014] 2. The vertical different-diameter steel bar welding alignment device can drive the pressure heads on each group of first tooth plates to clamp and fix the lower-end steel bars by cooperating with the motor, gear plate, first gear ring, first rack, first gear column, first connecting rod, rotating sleeve and lifting rod after the lower-end steel bars and the steel bars to be welded are respectively inserted into the bottom round box and the top round box. And by cooperating with the second gear ring, second gear column, second rack, second connecting rod and second limit block, the pressure heads on each group of second racks can be driven to clamp and fix the steel bars to be welded, thereby facilitating accurate alignment of the fixed lower-end steel bars and the steel bars to be welded. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a vertical different-diameter steel bar welding alignment device proposed by the utility model;

[0016] Figure 2 It is a partial structural schematic diagram of a vertical different-diameter steel bar welding alignment device proposed by the utility model;

[0017] Figure 3 A half-section structural schematic diagram of a vertical different-diameter steel bar welding alignment device proposed by the utility model;

[0018] Figure 4 It is a schematic diagram of the side section structure of a vertical different-diameter steel bar welding alignment device proposed by the utility model;

[0019] Figure 5 It is a partial structural schematic diagram of a vertical different-diameter steel bar welding alignment device proposed by the utility model;

[0020] Figure 6 The utility model discloses a second clamping assembly structure schematic diagram of a vertical different-diameter steel bar welding alignment device.

[0021] In the figure:

[0022] 1. Bottom round box; 2. Motor; 3. Threaded rod; 4. Top round box; 5. Fixed plate; 6. Fixed rod; 7. Rotating sleeve; 8. Lifting rod; 9. Welding box; 10. Limit sleeve; 11. Toothed plate; 12. First gear ring; 13. First gear column; 14. First connecting rod; 15. First rack; 16. Second gear ring; 17. Second gear column; 18. Second connecting rod; 19. Second rack; 20. Second limit block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0024] Example:

[0025] Reference Figure 1-6A vertical different-diameter steel bar welding alignment device comprises a bottom round box 1, a top round box 4 is arranged on the bottom round box 1, a fixing plate 5 is arranged inside the bottom round box 1, a first clamping assembly for fixing the lower end steel bar is arranged inside the bottom round box 1, a positioning assembly for aligning the steel bar to be welded and the lower end steel bar is arranged on the bottom round box 1, the positioning assembly comprises a motor 2 fixedly connected to the bottom of the bottom round box 1, a threaded rod 3 fixedly connected to the output end of the motor 2, and a fixing rod 6 fixedly connected to the bottom wall of the bottom round box 1, one end of the threaded rod 3 away from the bottom round box 1 is threadedly connected to the inner wall of the top round box 4, and the fixing rod 6 penetrates the top round box 4 and extends outward; when welding the steel bar, the device is put on the lower end steel bar so that the top end of the upper end steel bar is located at the welding box 9 , use the first clamping assembly to fix the lower end steel bar, then pass the steel bar to be welded through the top round box 4, and use the second clamping assembly in the top round box 4 to fix it, start the motor 2, and the motor 2 drives the threaded rod 3 to rotate. Under the limit of the fixing rod 6, the threaded rod 3 drives the top round box 4 to move downward. At the same time, the steel bar to be welded in the top round box 4 will also move downward. When it drops to the welding box 9 and fits with the top of the lower end steel bar, the upper end steel bar and the steel bar to be welded are aligned, and then the welding rod is placed in the welding box 9. The welding rod in the welding box 9 is used to introduce current to complete the welding, avoiding the problem that the two sections of steel bars are not welded accurately during welding due to the lack of a device to align the two sections of steel bars, resulting in poor quality of the welded steel bars.

[0026] Reference Figure 1 and Figure 5 , a vertical different-diameter steel bar welding alignment device, further, the inner wall of the bottom round box 1 is fixedly connected to the limiting sleeve 10, the first clamping assembly includes a toothed disc 11 sleeved on the threaded rod 3, a first toothed ring 12 rotatably connected to the inner wall of the limiting sleeve 10 and meshing with the toothed disc 11, a first connecting rod 14 fixedly connected between the bottom of the fixed disc 5 and the inner bottom wall of the bottom round box 1, a first tooth column 13 sleeved on the first connecting rod 14 and meshing with the first toothed ring 12, a second limiting block 20 fixedly connected to the inner bottom wall of the bottom round box 1, and a first limiting block 20 slidably connected to the outer wall of the second limiting block 20 and meshing with the first tooth column 13 The meshing first rack 15 has a pressure head fixedly connected to one end of the first rack 15 away from the second limit block 20; when the device is put on the lower end steel bar, the motor 2 is started, and the motor 2 drives the threaded rod 3 to rotate. At the same time, the threaded rod 3 drives the toothed disc 11 to rotate, and the toothed disc 11 drives the first gear ring 12 to rotate. The first gear ring 12 drives the first gear column 13 to rotate along the first connecting rod 14. When the first gear column 13 rotates, it drives the first rack 15 to move toward the center along the second limit block 20 and fixes the lower end steel bar. The pressure head can prevent the first rack 15 from slipping out of the second limit block 20.

[0027] Reference Figure 2 and Figure 6, a vertical different-diameter steel bar welding alignment device, further, a rotating sleeve 7 is fixedly connected to the top of the first gear ring 12, and the end of the rotating sleeve 7 away from the first gear ring 12 is slidably connected to a lifting rod 8, and a second clamping assembly for fixing the steel bar to be welded is provided inside the top round box 4; when the first gear ring 12 rotates, it drives the rotating sleeve 7 to rotate, and the rotating sleeve 7 drives the lifting rod 8 to rotate. At the same time, the lifting rod 8 will also drive the top round box 4 to descend along the rotating sleeve 7, and the lifting rod 8 drives the second clamping assembly to fix the steel bar to be welded.

[0028] Reference Figure 2 and Figure 6 , a vertical different-diameter steel bar welding alignment device, further, the second clamping assembly includes a second toothed ring 16 fixedly connected to the end of the lifting rod 8 away from the rotating sleeve 7, a second connecting rod 18 fixedly connected to the inner wall of the top round box 4, a second tooth column 17 sleeved on the outer wall of the second connecting rod 18 and meshed with the second toothed ring 16, a second limit block 20 fixedly connected to the inner wall of the top round box 4, and a second rack 19 slidably connected to the outer wall of the second limit block 20 and meshed with the second tooth column 17, and a pressure head is fixedly connected to one end of the second rack 19 away from the second limit block 20; when it is necessary to fix the steel bar to be welded, the first toothed ring 12 drives the second toothed ring 16 to rotate through the rotating sleeve 7 and the lifting rod 8, and the second toothed ring 16 drives the second tooth column 17 to rotate along the second connecting rod 18. When the second tooth column 17 rotates, it drives the second rack 19 to slide toward the center along the second limit block 20 and fix the steel bar to be welded, and the pressure head can prevent the second rack 19 from sliding out of the second limit block 20.

[0029] Reference Figure 2 and Figure 3 A vertical different-diameter steel bar welding alignment device. Furthermore, a welding box 9 is sleeved on the outer wall of the fixing rod 6, and a through hole for the steel bar to pass through is provided at the bottom of the welding box 9; when welding the steel bar, the welding rod is placed in the welding box 9, and the welding rod is introduced into the welding box 9 by using electric current to complete the welding.

[0030] Reference Figure 2 and Figure 4 A vertical different-diameter steel bar welding alignment device, further, the axis center of the bottom round box 1 coincides with the axis center of the top round box 4; it is convenient for the top round box 4 to move vertically relative to the bottom round box 1, thereby improving the accuracy of steel bar alignment.

[0031] Specifically, the utility model is at work / in use: when welding the steel bars, the device is put on the lower end steel bars so that the top end of the upper end steel bars is located at the welding box 9. When the device is put on the lower end steel bars, the motor 2 is started, and the motor 2 drives the threaded rod 3 to rotate. At the same time, the threaded rod 3 drives the toothed disc 11 to rotate, and the toothed disc 11 drives the first gear ring 12 to rotate. The first gear ring 12 drives the first gear column 13 to rotate along the first connecting rod 14. When the first gear column 13 rotates, it drives the first rack 15 to move toward the center along the second limit block 20, and fixes the lower end steel bars. The pressure head can prevent the first rack 15 from slipping out of the second limit block 20. When the first gear ring 12 rotates, it drives the rotating sleeve 7 to rotate, and the rotating sleeve 7 drives the lifting rod 8 to rotate. At the same time, the lifting rod 8 will also drive the top round box 4 to descend along the rotating sleeve 7, and the lifting rod 8 drives the second clamping Components are used to fix the steel bars to be welded. Specifically, the first gear ring 12 drives the second gear ring 16 to rotate through the rotating sleeve 7 and the lifting rod 8, and the second gear ring 16 drives the second gear column 17 to rotate along the second connecting rod 18. When the second gear column 17 rotates, it drives the second rack 19 to slide toward the center along the second limit block 20 and fix the steel bars to be welded. In addition, the pressure head can prevent the second rack 19 from sliding out of the second limit block 20. The motor 2 is started, and the motor 2 drives the threaded rod 3 to rotate. Under the limitation of the fixed rod 6, the threaded rod 3 drives the top round box 4 to move downward. At the same time, the steel bars to be welded in the top round box 4 will also move downward. When it descends to the welding box 9 and fits with the top of the lower steel bar, the upper steel bar and the steel bar to be welded are aligned, and then the welding rod is placed in the welding box 9. When the current is introduced into the welding rod in the welding box 9, the welding can be completed.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vertical different-diameter steel bar welding alignment device, comprising a bottom round box (1), a top round box (4) is arranged on the bottom round box (1), a fixing plate (5) is arranged inside the bottom round box (1), and the device is characterized in that: A first clamping assembly for fixing the lower end steel bar is provided inside the bottom round box (1), and a positioning assembly for aligning the steel bar to be welded and the lower end steel bar is provided on the bottom round box (1). The positioning assembly comprises a motor (2) fixedly connected to the bottom of the bottom round box (1), a threaded rod (3) fixedly connected to the output end of the motor (2), and a fixing rod (6) fixedly connected to the bottom wall of the bottom round box (1). One end of the threaded rod (3) away from the bottom round box (1) is threadedly connected to the top round box (4), and the fixing rod (6) passes through the top round box (4) and extends outward.

2. A vertical different-diameter steel bar welding alignment device according to claim 1, characterized in that: The inner wall of the bottom round box (1) is fixedly connected to a limiting sleeve (10), and the first clamping assembly comprises a toothed disc (11) sleeved on the threaded rod (3), a first toothed ring (12) rotatably connected to the inner wall of the limiting sleeve (10) and meshing with the toothed disc (11), a first connecting rod (14) fixedly connected between the bottom of the fixed disc (5) and the inner bottom wall of the bottom round box (1), a first toothed column (13) sleeved on the first connecting rod (14) and meshing with the first toothed ring (12), a second limiting block (20) fixedly connected to the inner bottom wall of the bottom round box (1), and a first rack (15) slidably connected to the outer wall of the second limiting block (20) and meshing with the first rack (13), and a pressure head is fixedly connected to one end of the first rack (15) away from the second limiting block (20).

3. A vertical different-diameter steel bar welding alignment device according to claim 2, characterized in that: The top of the first gear ring (12) is fixedly connected to a rotating sleeve (7), one end of the rotating sleeve (7) away from the first gear ring (12) is slidably connected to a lifting rod (8), and a second clamping assembly for fixing the steel bars to be welded is provided inside the top round box (4).

4. A vertical different-diameter steel bar welding alignment device according to claim 3, characterized in that: The second clamping assembly comprises a second toothed ring (16) fixedly connected to an end of the lifting rod (8) away from the rotating sleeve (7), a second connecting rod (18) fixedly connected to the inner wall of the top round box (4), a second toothed column (17) sleeved on the outer wall of the second connecting rod (18) and meshed with the second toothed ring (16), a second limiting block (20) fixedly connected to the inner wall of the top round box (4), and a second rack (19) slidably connected to the outer wall of the second limiting block (20) and meshed with the second toothed column (17), and a pressure head is fixedly connected to the end of the second rack (19) away from the second limiting block (20).

5. The vertical different-diameter steel bar welding alignment device according to claim 1 is characterized in that: The outer wall of the fixing rod (6) is sleeved with a welding box (9), and the bottom of the welding box (9) is provided with a through opening for the steel bar to pass through.

6. A vertical different-diameter steel bar welding alignment device according to claim 1, characterized in that: The axis center of the bottom round box (1) coincides with the axis center of the top round box (4).

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