Reinforcement cage seam welder

Abstract

The utility model discloses a reinforcement cage seam welder, and belongs to the technical field of seam welders. Comprising a rack, a front disc, a rib pushing disc, a rear disc, a rotary driving device, a reducing device, a connecting shaft pipe, a translation device, N rib conveying pipes and M connecting reinforcing rods, and the reducing device comprises N electrode tips; the rear disc comprises a first outer ring and N first spokes; the rib pushing disc comprises a sliding sleeve, a second outer ring, N second spokes and M sliding structures; the front ends of the rib conveying pipes are fixedly connected with the corresponding electrode tips, and the rear ends of the rib conveying pipes are rotationally connected with the corresponding first spokes; a plurality of pin holes are formed in the first spokes at intervals, and the rear ends of the rib conveying pipes are detachably connected with the corresponding pin holes through pin shafts; the second spokes are provided with strip-shaped holes in the direction where the second spokes are located, the N second spokes are located right behind the N electrode tips respectively, the N rib conveying pipes penetrate through the N strip-shaped holes respectively, the M connecting reinforcing rods are arranged on the M sliding structures respectively in a sliding mode, and the sliding structures are arranged between every two adjacent second spokes.

Description

Technical Field

[0001] The utility model belongs to the technical field of roll welding machines, and particularly relates to a steel reinforcement cage roll welding machine. Background Art

[0002] At present, domestic drainage pipes are mainly reinforced concrete drainage pipes. The production of reinforced concrete drainage pipes mainly includes two major steps: the production of steel reinforcement cages and the forming of concrete products. Among them, there are two ways to produce steel reinforcement cages: manual binding and welding with special equipment. The traditional production of steel reinforcement cages consumes a long time and has low work efficiency. In the prior art, the automatic preparation of steel reinforcement cages can be realized by a roll welding machine. In addition, in order to expand the application range of the equipment, a variable-diameter steel reinforcement cage roll welding machine can be used in the prior art to prepare steel reinforcement cages of different specifications.

[0003] For example, the patent with the application number CN201510602117.1 discloses a clutch automatic variable-diameter roll welding machine. A main disk and a rear disk are arranged on a main frame. A rib pushing disk is arranged between the main disk and the rear disk. The main disk and the rear disk are fixed with steel bar conveying pipes. A variable-diameter transmission and diameter-expanding mechanism is arranged on the roll welding machine. The variable-diameter transmission and diameter-expanding mechanism consists of a variable-diameter rod, a variable-diameter front disk, a sprocket group on the main disk and a variable-diameter motor. The variable-diameter rod is driven by the variable-diameter motor to move. One end of the variable-diameter rod is fixed on the variable-diameter front disk, and the other end of the variable-diameter rod is fixed on a bearing seat. An electric control brake and a clutch are sleeved on the variable-diameter rod. A redirecting sprocket is arranged beside the variable-diameter front disk, and an edge sprocket is arranged beside the redirecting sprocket. A welding table is arranged beside the main frame. The edge sprocket moves between the welding table through a chain. The variable-diameter front disk, the redirecting sprocket and the edge sprocket can perform variable-diameter actions through chain meshing.

[0004] The existing steel reinforcement cage roll welding machine includes a frame, a front disk, a rib pushing disk, a rear disk, a rotation driving device for driving the rotation of the front disk, a variable-diameter device on the front disk, a connecting shaft tube between the center of the front disk and the center of the rear disk, a translation device for driving the rib pushing disk to move back and forth, N steel bar conveying pipes and M connecting and strengthening rods, etc. The variable-diameter device includes N electrode heads on the front disk. The N electrode heads are evenly distributed around the center of the front disk and can move synchronously along the radial direction of the front disk. The rear disk includes a first outer ring and N first spokes, etc. The rib pushing disk includes a sliding sleeve, a second outer ring and multiple second spokes, etc.; the N steel bar conveying pipes are evenly distributed around the connecting shaft tube, the front ends of which are fixedly connected to the corresponding electrode heads, and the rear ends of which are rotatably connected to the corresponding first spokes; the M connecting and strengthening rods are evenly distributed around the connecting shaft tube and are arranged between the front disk and the rear disk.

[0005] The applicant found that the existing steel reinforcement cage roll welding machine has the following problems:

[0006] (1) During the diameter-changing process of the diameter-changing device, the electrode head moves inside and outside. Although the steel bar conveying pipe is a flexible metal pipe (which can be slightly deformed and telescoped, and is slightly bent at the same time to achieve stretching. The rear end of the steel bar conveying pipe is fixed on the rear disc, and the deformation ability of the steel bar conveying pipe is limited, resulting in difficulties in changing the diameter of the diameter-changing device (after the steel bar conveying pipe is fully stretched and straightened) and limitations on the size of the diameter change (after the steel bar conveying pipe is fully stretched and straightened).

[0007] (2) In order to ensure the diameter change of the diameter-changing device, the steel bar conveying pipe needs to be designed as a flexible metal pipe, resulting in the steel bar conveying pipe being relatively soft and slightly bent (when the steel bar conveying pipe is not stretched), and then the steel bar conveying pipe is prone to shaking. Utility Model Content

[0008] To solve the above problems, an embodiment of the present utility model provides a steel cage welding machine. The rear end of the steel bar conveying pipe can be adjusted radially along the rear disc to adapt to the diameter-changing device; the flexible steel bar conveying pipe is limited by the second spokes of the steel bar pushing disc to reduce shaking. The technical solution is as follows:

[0009] An embodiment of the present utility model provides a steel cage welding machine, including a frame 1, a front disc 2, a steel bar pushing disc 3, a rear disc 4, a rotary driving device 5 for driving the front disc 2 to rotate, a diameter-changing device 6 on the front disc 2, a connecting shaft pipe 7 between the centers of the front disc 2 and the rear disc 4, a translation device 8 for driving the steel bar pushing disc 3 to move back and forth, N steel bar conveying pipes 9 and M connecting reinforcing rods 10. The diameter-changing device 6 includes N electrode heads 61 on the front disc 2. The N electrode heads 61 are evenly distributed around the center of the front disc 2 and can move synchronously along the radial direction of the front disc 2. The rear disc 4 includes a first outer ring 41 and N first spokes 42. The steel bar pushing disc 3 includes a sliding sleeve 31, a second outer ring 32 and a plurality of second spokes 33. The N steel bar conveying pipes 9 are evenly distributed around the connecting shaft pipe 7. Their front ends are fixedly connected to the corresponding electrode heads 61, and their rear ends are rotatably connected to the corresponding first spokes 42. The M connecting reinforcing rods 10 are evenly distributed around the connecting shaft pipe 7 and are arranged between the front disc 2 and the rear disc 4. A plurality of pin holes are provided at intervals along the direction of the first spokes 42. The pin holes corresponding to the N first spokes 42 are located on the same circle concentric with the connecting shaft pipe 7. The rear end of the steel bar conveying pipe 9 is detachably connected to the corresponding pin hole through a pin shaft 43. The steel bar pushing disc 3 further includes M sliding structures 34. The number of the second spokes 33 is N, and strip-shaped holes for the steel bar conveying pipe 9 to slide inside and outside and matching with the steel bar conveying pipe 9 are provided on them along the direction of the second spokes 33. The N second spokes 33 are respectively located directly behind the N electrode heads 61. The N steel bar conveying pipes 9 respectively pass through the N strip-shaped holes. Each of the M connecting reinforcing rods 10 corresponds to and is respectively slidably arranged on one of the M sliding structures 34. The sliding structures 34 are arranged between adjacent two second spokes 33.

[0010] Among them, the front disc 2, the rib pushing disc 3, and the rear disc 4 in the embodiments of the present utility model are arranged in sequence from front to back. The rear end of the connecting shaft tube 7 is rotatably arranged on the frame 1, and the front disc 2 is rotatably arranged on the rotary driving device 5. The first outer ring 41 is coaxially arranged outside the connecting shaft tube 7. N first spokes 42 are evenly distributed and are respectively located directly behind N electrode heads 61. The first spokes 42 are arranged between the first outer ring 41 and the connecting shaft tube 7 and are arranged along the radial direction of the first outer ring 41. The sliding sleeve 31 is sleeved outside the connecting shaft tube 7 and can slide back and forth along the connecting shaft tube 7. The second outer ring 32 is coaxially arranged outside the sliding sleeve 31 and is rotatably arranged on the translation device 8. The second spokes 33 are arranged between the second outer ring 32 and the sliding sleeve 31 and are arranged along the radial direction of the second outer ring 32.

[0011] Specifically, the number of the connecting and strengthening rods 10 in the embodiments of the present utility model is 2 - 4, and they are arranged along the front - rear direction; N is greater than or equal to 16.

[0012] Among them, the connecting and strengthening rods 10 in the embodiments of the present utility model are circular tubes. The sliding structure 34 includes two fixing plates arranged side - by - side inside and outside and two pulleys respectively located on both sides of the connecting and strengthening rod 10. The two ends of the fixing plates are respectively fixed on two adjacent second spokes 33. The pulleys are arranged along the radial direction of the second outer ring 32. A ring groove for cooperating with the connecting and strengthening rod 10 is coaxially arranged on the peripheral surface thereof. It is located between the two fixing plates and its two ends are respectively arranged on the two fixing plates.

[0013] Specifically, the first outer ring 41 in the embodiments of the present utility model is smaller than the second outer ring 32, and the rear end of the connecting and strengthening rod 10 is fixed on the first outer ring 41.

[0014] Specifically, the front disc 2 in the embodiments of the present utility model includes a disc 21 coaxially arranged at the front end of the connecting shaft tube 7, a third outer ring 22 coaxially arranged outside the disc 21, N third spokes 23 evenly distributed between the third outer ring 22 and the disc 21, and sector - shaped reinforcing plates 24 between the middle parts of two adjacent third spokes 23. The first outer ring 41 is smaller than the third outer ring 22. The third outer ring 22 is rotatably arranged on the rotary driving device 5. The third spokes 23 are arranged along the radial direction of the third outer ring 22 and are provided with sliding grooves thereon. N electrode heads 61 are respectively slidably arranged in N sliding grooves. The front end of the connecting and strengthening rod 10 is fixed on the corresponding sector - shaped reinforcing plate 24.

[0015] Among them, the rib conveying tube 9 in the embodiments of the present utility model is a flexible metal tube.

[0016] Specifically, the second spokes 33 in the embodiments of the present utility model are composed of two rectangular plates arranged side - by - side. The rectangular plates are arranged along the radial direction of the second outer ring 32. The gap between the two rectangular plates forms a strip - shaped hole and is adjacent to the rib conveying tube 9.

[0017] The beneficial effects brought by the technical solution provided by the embodiment of the present utility model are as follows: The embodiment of the present utility model provides a steel cage rolling welding machine, and the rear end of the steel bar conveying pipe can be adjusted radially along the rear disc to adapt to the diameter-changing device (for example, when the electrode head moves outwards, the steel bar conveying pipe can be adjusted to the pin hole close to the first outer ring as required); the flexible steel bar conveying pipe is limited by the second spoke of the steel bar pushing disc, reducing the shaking. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of the steel cage rolling welding machine in the embodiment of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the rear disc;

[0020] Figure 3 is a schematic structural diagram of the steel bar pushing disc;

[0021] Figure 4 is a schematic structural diagram of the front disc;

[0022] Figure 5 is Figure 3 a partial enlarged view of.

[0023] In the figure: 1 frame, 2 front disc, 3 steel bar pushing disc, 4 rear disc, 5 rotation driving device, 6 diameter-changing device, 7 connecting shaft pipe, 8 translation device, 9 steel bar conveying pipe, 10 connecting and strengthening rod;

[0024] 21 disc, 22 third outer ring, 23 third spoke, 24 sector-shaped strengthening plate;

[0025] 31 sliding sleeve, 32 second outer ring, 33 second spoke, 34 sliding structure;

[0026] 41 first outer ring, 42 first spoke, 43 pin shaft;

[0027] 61 electrode head. Detailed Embodiment

[0028] To make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings.

[0029] Embodiment 1

[0030] Refer to Figures 1-5, Embodiment 1 provides a steel reinforcement cage rolling welding machine, which includes a frame 1, a front disc 2, a steel bar pushing disc 3, a rear disc 4, a rotary driving device 5, a diameter-changing device 6, a connecting shaft tube 7, a translation device 8, N steel bar conveying tubes 9, M connecting and strengthening rods 10, etc. Among them, the frame 1 is arranged along the front-back direction. The front disc 2, the steel bar pushing disc 3 and the rear disc 4 are arranged in sequence from front to back. The connecting shaft tube 7 is arranged along the front-back direction, and is arranged between the center of the front disc 2 and the center of the rear disc 4, and its rear end is rotatably arranged on the frame 1. The front disc 2 is rotatably arranged on the rotary driving device 5. The rotary driving device 5 is used to drive the front disc 2 to rotate, and its structure is the same as that of the prior art. The translation device 8 is arranged on the frame 1, and can move back and forth on the frame 1. It is used to drive the steel bar pushing disc 3 to move in the front-back direction, and its structure is the same as that of the prior art.

[0031] Among them, the diameter-changing device 6 is arranged on the front disc 2 and includes N electrode heads 61, etc. The N electrode heads 61 are evenly distributed around the center of the front disc 2. They are slidably arranged on the front disc 2 and can move synchronously along the radial direction of the front disc 2. The diameter-changing device 6 can refer to the description in the application number CN200920139779.X.

[0032] Among them, the rear disc 4 includes a first outer ring 41 and N first spokes 42, etc. The first outer ring 41 is coaxially arranged outside the connecting shaft tube 7. The N first spokes 42 are evenly distributed and are respectively located directly behind the N electrode heads 61. The first spokes 42 are arranged between the first outer ring 41 and the connecting shaft tube 7 and are arranged along the radial direction of the first outer ring 41. A plurality of (2-8, the distance between adjacent pin holes is 5-30 cm) pin holes are arranged at intervals along the direction of the first spoke 42. The pin holes corresponding to the N first spokes 42 are located on the same circle concentric with the connecting shaft tube 7.

[0033] Among them, the steel bar pushing disc 3 includes a sliding sleeve 31, a second outer ring 32, N second spokes 33 and M sliding structures 34, etc. The sliding sleeve 31 is sleeved outside the connecting shaft tube 7 and can slide back and forth along the connecting shaft tube 7. The second outer ring 32 is coaxially arranged outside the sliding sleeve 31 and is rotatably arranged on the translation device 8. The second spokes 33 are arranged between the second outer ring 32 and the sliding sleeve 31 and are arranged along the radial direction of the second outer ring 32. A strip hole that cooperates with the steel bar conveying tube 9 and allows the steel bar conveying tube 9 to slide inside and outside is arranged along the direction of the second spoke 33. The N second spokes 33 are respectively located directly behind the N electrode heads 61. The M sliding structures 34 are respectively arranged corresponding to the M connecting and strengthening rods 10 to ensure that the steel bar pushing disc 3 can slide back and forth along the connecting and strengthening rods 10. The sliding structure 34 is arranged between adjacent two second spokes 33. The first outer ring 41 is smaller than the second outer ring 32.

[0034] Among them, the front disc 2 includes a disc 21 coaxially arranged at the front end of the connecting shaft tube 7, a third outer ring 22 coaxially arranged outside the disc 21, N third spokes 23 evenly distributed between the third outer ring 22 and the disc 21, and a sector-shaped reinforcing plate 24 between the middle parts of two adjacent third spokes 23, etc. The first outer ring 41 is smaller than the third outer ring 22, and the third outer ring 22 is rotatably arranged on the rotation driving device 5. The third spokes 23 are arranged along the radial direction of the third outer ring 22 and are provided with sliding grooves thereon, and N electrode heads 61 are respectively slidably arranged in the N sliding grooves.

[0035] Among them, N reinforcing pipes 9 are evenly distributed around the connecting shaft tube 7. Their front ends are fixedly connected to the corresponding electrode heads 61, and their rear ends are rotatably connected to the corresponding first spokes 42. They respectively pass through N strip-shaped holes, and specifically, they are flexible metal pipes (which can be slightly lengthened and bent). Specifically, the rear end of the reinforcing pipe 9 is detachably connected to the corresponding pin hole through a pin shaft 43. The rear ends of multiple reinforcing pipes 9 are located on the same circle concentric with the connecting shaft tube 7. When the diameter-changing device 6 changes the diameter, the rear end of the reinforcing pipe 9 is rotatably arranged on the pin hole at the adapted position through the pin shaft 43. The pin shaft 43 is perpendicular to the first spoke 42.

[0036] Among them, M connecting reinforcing rods 10 are evenly distributed around the connecting shaft tube 7. They are arranged between the front disc 2 and the rear disc 4, and they are respectively slidably arranged on M sliding structures 34 and are arranged along the front-back direction.

[0037] Specifically, the number of the connecting reinforcing rods 10 is 2 - 4; N is greater than or equal to 16.

[0038] Specifically, the rear end of the connecting reinforcing rod 10 in the embodiment of the present invention is fixed on the first outer ring 41, and its front end is fixed on the corresponding sector-shaped reinforcing plate 24.

[0039] Among them, the connecting reinforcing rod 10 in the embodiment of the present invention is a circular tube. The sliding structure 34 includes two fixed plates arranged side by side inside and outside and two pulleys respectively located on both sides of the connecting reinforcing rod 10. The two ends of the fixed plates are respectively fixed on two adjacent second spokes 33. The connecting reinforcing rod 10 is slidably arranged between the two pulleys. The pulleys are arranged along the radial direction of the second outer ring 32, and a ring groove matched with the connecting reinforcing rod 10 is coaxially arranged on its peripheral surface. It is located between the two fixed plates and its two ends are respectively arranged on the two fixed plates.

[0040] Specifically, the second spoke 33 in the embodiment of the present invention is composed of two rectangular plates arranged side by side. The rectangular plates are arranged along the radial direction of the second outer ring 32. The gap between the two rectangular plates forms a strip-shaped hole and they are all adjacent to the reinforcing pipe 9.

[0041] Embodiment 2

[0042] Embodiment 2 provides a steel reinforcement cage rolling welding machine, whose structure is basically the same as that of Embodiment 1, except that: the number of connecting and strengthening rods 10 in this embodiment is 2; N is 24. Four pin holes are arranged at intervals along the direction of the first spoke 42. The four pin holes are evenly distributed, and the distance between two adjacent pin holes is 25 cm.

[0043] Among them, the "first", "second" and "third" in this patent only serve to distinguish and have no other special meanings.

[0044] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A steel reinforcement cage rolling welding machine, comprising a frame (1), a front disc (2), a steel bar pushing disc (3), a rear disc (4), a rotary driving device (5) for driving the front disc (2) to rotate, a diameter-changing device (6) on the front disc (2), a connecting shaft tube (7) between the centers of the front disc (2) and the rear disc (4), a translation device (8) for driving the steel bar pushing disc (3) to move back and forth, N steel bar conveying tubes (9) and M connecting and strengthening rods (10). The diameter-changing device (6) comprises N electrode heads (61) on the front disc (2), and the N electrode heads (61) are evenly distributed around the center of the front disc (2) and can move synchronously along the radial direction of the front disc (2); the rear disc (4) comprises a first outer ring (41) and N first spokes (42), and the steel bar pushing disc (3) comprises a sliding sleeve (31), a second outer ring (32) and a plurality of second spokes (33); the N steel bar conveying tubes (9) are evenly distributed around the connecting shaft tube (7), the front ends thereof are fixedly connected to the corresponding electrode heads (61), and the rear ends thereof are rotatably connected to the corresponding first spokes (42); the M connecting and strengthening rods (10) are evenly distributed around the connecting shaft tube (7) and are arranged between the front disc (2) and the rear disc (4); it is characterized in that, a plurality of pin holes are arranged at intervals along the direction of the first spoke (42), and the pin holes corresponding to the N first spokes (42) are located on the same circle concentric with the connecting shaft tube (7), and the rear end of the steel bar conveying tube (9) is detachably connected to the corresponding pin hole through a pin shaft (43); the steel bar pushing disc (3) further comprises M sliding structures (34), the number of the second spokes (33) is N, and strip-shaped holes which are matched with the steel bar conveying tubes (9) and can allow the steel bar conveying tubes (9) to slide in and out are arranged on the second spokes (33) along the direction of the second spokes (33), the N second spokes (33) are respectively located directly behind the N electrode heads (61), the N steel bar conveying tubes (9) respectively pass through the N strip-shaped holes, each of the M connecting and strengthening rods (10) is correspondingly provided with a sliding structure (34) and is respectively slidably arranged on the M sliding structures (34), and the sliding structures (34) are arranged between two adjacent second spokes (33).

2. The steel cage rolling welding machine according to claim 1, characterized in that, The front disc (2), the steel bar pushing disc (3) and the rear disc (4) are arranged in sequence from front to back, the rear end of the connecting shaft tube (7) is rotatably arranged on the frame (1), and the front disc (2) is rotatably arranged on the rotary driving device (5); the first outer ring (41) is coaxially arranged outside the connecting shaft tube (7), the N first spokes (42) are evenly distributed and are respectively located directly behind the N electrode heads (61), and the first spokes (42) are arranged between the first outer ring (41) and the connecting shaft tube (7) and are arranged along the radial direction of the first outer ring (41); the sliding sleeve (31) is sleeved outside the connecting shaft tube (7) and can slide back and forth along the connecting shaft tube (7), the second outer ring (32) is coaxially arranged outside the sliding sleeve (31) and is rotatably arranged on the translation device (8), and the second spokes (33) are arranged between the second outer ring (32) and the sliding sleeve (31) and are arranged along the radial direction of the second outer ring (32).

3. The steel cage rolling welding machine according to claim 1, characterized in that, The number of the connecting reinforcing rods (10) is 2 - 4, and they are arranged in the front - rear direction; N is greater than or equal to 16.

4. The steel cage rolling welding machine according to claim 1, characterized in that, The connecting reinforcing rods (10) are circular tubes; the sliding structure (34) includes two fixed plates arranged side - by - side inside and outside, and two pulleys respectively located on both sides of the connecting reinforcing rods (10). The two ends of the fixed plates are respectively fixed on two adjacent second spokes (33); the pulleys are arranged along the radial direction of the second outer ring (32), and a ring groove for cooperating with the connecting reinforcing rods (10) is coaxially provided on their circumferential surfaces. They are located between the two fixed plates and their two ends are respectively arranged on the two fixed plates.

5. The steel cage rolling welding machine according to claim 1, characterized in that, The first outer ring (41) is smaller than the second outer ring (32), and the rear end of the connecting reinforcing rod (10) is fixed on the first outer ring (41).

6. The steel cage rolling welding machine according to claim 1, characterized in that, The front disc (2) includes a disc (21) coaxially arranged at the front end of the connecting shaft tube (7), a third outer ring (22) coaxially arranged outside the disc (21), N third spokes (23) evenly distributed between the third outer ring (22) and the disc (21), and fan - shaped reinforcing plates (24) between the middle parts of two adjacent third spokes (23). The first outer ring (41) is smaller than the third outer ring (22). The third outer ring (22) is rotatably arranged on the rotation driving device (5). The third spokes (23) are arranged along the radial direction of the third outer ring (22) and chutes are provided thereon. N electrode heads (61) are respectively slidably arranged in the N chutes; the front end of the connecting reinforcing rod (10) is fixed on the corresponding fan - shaped reinforcing plate (24).

7. The steel cage rolling welding machine according to claim 1, characterized in that, The steel - conveying pipe (9) is a flexible metal pipe.

8. The steel reinforcement cage rolling welding machine according to claim 1, characterized in that, The second spokes (33) are composed of two rectangular plates arranged side - by - side. The rectangular plates are arranged along the radial direction of the second outer ring (32). The gap between the two rectangular plates forms a strip - shaped hole and all of them are adjacent to the steel - conveying pipe (9).

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