Auxiliary rotating device for super-long non-uniform-section special-shaped pipe

Abstract

The utility model discloses an auxiliary rotating device for an ultra-long non-uniform-section special-shaped pipe, and relates to the technical field of rolling of the ultra-long non-uniform-section special-shaped pipe. The feeding device comprises a feeding lathe bed, a feeding trolley and a rolling mill, the feeding trolley is arranged at a discharging port of the feeding lathe bed, the rolling mill is arranged at a discharging port of the feeding trolley, a support is arranged at a finished product output port of the rolling mill, a hollow shaft is rotationally installed on the upper portion of the support, and the hollow shaft and the finished product output port of the rolling mill are coaxially arranged. One end of the hollow shaft is connected with the driving assembly, the other end of the hollow shaft is located at a finished product output port of the rolling mill, a pipe penetrates through the hollow shaft after passing through the rolling mill, a plurality of sliding grooves are formed in the periphery of the hollow shaft, and pipe clamping and limiting assemblies are arranged on the sliding grooves. By arranging the hollow shaft and the pipe clamping and limiting assembly, the pipe is precisely limited, and it is ensured that the pipe is stably positioned in the hollow shaft. And then the driving assembly drives to assist the rolling mill to realize uniform rotation of the pipe.

Description

Technical Field

[0001] This utility model relates to the field of rolling technology for ultra-long non-uniform cross-section irregular-shaped pipes, and in particular to an auxiliary rotation device for ultra-long non-uniform cross-section irregular-shaped pipes. Background Technology

[0002] High-purity oxygen-free copper ultra-long non-uniform cross-section shaped tubes are widely used in numerous fields such as medicine and electronics. Currently, the common method for producing and rolling such tubes is to place the tube on a feeding bed and feed it into a rolling mill using a feeding device. However, during the rolling process, the rotation of the tube mainly depends on the rotational capacity of the rolling mill itself. Because ultra-long non-uniform cross-section shaped tubes require feeding billets of over 30 meters and finished products of over 100 meters with a large single billet weight, this greatly limits the rotational capacity of the rolling mill. This causes frequent stalls or uneven rotation during the rolling process, which in turn severely reduces the yield rate of the finished tubes. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides an auxiliary rotation device for ultra-long non-uniform cross-section irregular tubes, which solves the problem in the prior art where the limited rotation capacity of the rolling mill itself causes ultra-long non-uniform cross-section irregular tubes to stagnate or rotate unevenly during the rolling process, thereby reducing the qualified rate of finished tubes.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] An auxiliary rotary device for ultra-long non-uniform cross-section irregular tubes includes a feeding bed, a feeding trolley, and a rolling mill. The feeding trolley is installed at the outlet of the feeding bed, and the rolling mill is installed at the outlet of the feeding trolley. A bracket is installed at the finished product output port of the rolling mill. A hollow shaft is rotatably mounted on the upper part of the bracket. The hollow shaft is coaxially arranged with the finished product output port of the rolling mill. One end of the hollow shaft is connected to a drive assembly, and the other end of the hollow shaft is located at the finished product output port of the rolling mill. After passing through the rolling mill, the tube is inserted into the hollow shaft. Several grooves are opened around the circumference of the hollow shaft, and tube clamping and limiting components are installed on the grooves.

[0006] The locking and limiting assembly includes a hydraulic cylinder, connecting rod, sliding sleeve, bearing, outlet slip ring, locking plate, and support rod. Several sliding grooves around the hollow shaft are equipped with locking plates. The connecting end of the locking plate is hinged to the side wall of the sliding groove. The locking end of the locking plate is slidably installed in the sliding groove. An outlet slip ring is fitted onto the locking plate. A sliding sleeve is rotatably installed on the outlet slip ring via a bearing. A connecting rod is provided on the outer ring of the sliding sleeve. The connecting rod is rotatably connected to both sides of the sliding sleeve. The top of the connecting rod is hinged to the telescopic end of the hydraulic cylinder. The hydraulic cylinder is installed on the top of the bracket. The bottom of the connecting rod is hinged to one end of the support rod, and the other end of the support rod is installed on the bracket.

[0007] The drive assembly includes a worm gear and a servo motor. The worm gear is rotatably mounted on a bracket, and one end of the worm gear is connected to the rotating spindle of the servo motor. A worm wheel is fitted on the worm gear and is connected to one end of a hollow shaft.

[0008] The snap-fit ​​end structure of the snap-fit ​​plate is adapted to the outer edge structure of the pipe.

[0009] Compared with existing technologies, the advantages of this invention are as follows: By setting a hollow shaft and a pipe clamping and limiting assembly, the clamping end of the clamping plate can be precisely limited according to the cross-sectional shape of the pipe by a hydraulic cylinder, ensuring stable positioning of the pipe within the hollow shaft. The drive assembly adopts a worm gear transmission with a stable transmission ratio, providing sufficient driving torque to assist the rolling mill in achieving uniform rotation of the pipe. This device has a simple structure, low cost, and good adaptability to ultra-long non-uniform cross-section irregular pipes of different specifications and cross-sectional shapes. It effectively solves the problem of pipe stagnation or uneven rotation during rolling in existing technologies, significantly improving the yield of finished pipes. Attached Figure Description

[0010] Figure 1 This is an installation diagram of the present invention;

[0011] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0012] Figure 3 This is a side view of the structure of this utility model.

[0013] In the diagram: 1. Feeding bed; 2. Feeding trolley; 3. Rolling mill; 4. Support; 5. Hollow shaft; 6. Drive assembly; 61. Worm gear; 62. Servo motor; 63. Worm wheel; 7. Snap-fit ​​limit assembly; 71. Hydraulic cylinder; 72. Connecting rod; 73. Sliding sleeve; 74. Bearing; 75. Outlet slip ring; 76. Snap-fit ​​plate; 77. Support rod. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0015] An auxiliary rotary device for ultra-long non-uniform cross-section irregular pipes includes a feeding bed 1, a feeding trolley 2, and a rolling mill 3. The feeding trolley 2 is installed at the discharge port of the feeding bed 1, and the rolling mill 3 is installed at the discharge port of the feeding trolley 2. A bracket 4 is installed at the finished product output port of the rolling mill 3. A hollow shaft 5 is rotatably mounted on the upper part of the bracket 4. The hollow shaft 5 is coaxially arranged with the finished product output port of the rolling mill 3. One end of the hollow shaft 5 is connected to a drive assembly 6, and the other end of the hollow shaft 5 is located at the finished product output port of the rolling mill 3. The pipe passes through the rolling mill 3 and is inserted into the hollow shaft 5. Several grooves are opened around the circumference of the hollow shaft 5, and pipe clamping and limiting assemblies 7 are installed on the grooves.

[0016] The snap-fit ​​limiting assembly 7 includes a hydraulic cylinder 71, a connecting rod 72, a sliding sleeve 73, a bearing 74, an outlet slip ring 75, a snap-fit ​​plate 76, and a support rod 77. A snap-fit ​​plate 76 is installed in several grooves around the hollow shaft 5. The connecting end of the snap-fit ​​plate 76 is hinged to the side wall of the groove. The snap-fit ​​end of the snap-fit ​​plate 76 is slidably installed in the groove. The outlet slip ring 75 is fitted onto the snap-fit ​​plate 76. A sliding sleeve 73 is rotatably installed on the outlet slip ring 75 via a bearing 74. A connecting rod 72 is provided on the outer ring of the sliding sleeve 73. The connecting rod 72 is rotatably connected to both sides of the sliding sleeve 73. The top of the connecting rod 72 is hinged to the telescopic end of the hydraulic cylinder 71. The hydraulic cylinder 71 is installed on the top of the bracket 4. The bottom of the connecting rod 72 is hinged to one end of the support rod 77. The other end of the support rod 77 is installed on the bracket 4. The snap-fit ​​end structure of the snap-fit ​​plate 76 is adapted to the outer edge structure of the pipe and can be customized according to the cross-sectional shape of different pipes.

[0017] The drive assembly 6 includes a worm gear 61 and a servo motor 62. The worm gear 61 is rotatably mounted on the bracket 4, and one end of the worm gear 61 is connected to the rotating shaft of the servo motor 62. A worm wheel 63 is fitted onto the worm gear 61 and is connected to one end of the hollow shaft 5. The servo motor 62 can be precisely controlled in terms of speed and direction by the control system to adapt to different rolling process requirements.

[0018] In use, the extra-long, non-uniform cross-section irregular tube is first placed on the feeding bed 1, which can be equipped with a positioning device to ensure accurate placement of the tube. Then, the tube is fed into the rolling mill 3 via the feeding trolley 2 for rolling. The rolled tube is then discharged from the finished product output port of the rolling mill 3 and fed into the hollow shaft 5. When auxiliary rotation of the tube is required, the hydraulic cylinder 71 is activated, and its telescopic end extends, pushing the connecting rod 72 to the left. The movement of the connecting rod 72 causes the sliding sleeve 73 and the outlet slip ring 75 to move synchronously to the left. During this movement, the outlet slip ring 75 presses against the clamping plate 76. Because the connecting end of the snap-fit ​​plate 76 is hinged to the side wall of the chute, and the snap-fit ​​end is slidably installed in the chute, under the squeezing action of the exit slip ring 75, the snap-fit ​​end of the snap-fit ​​plate 76 retracts inward, thereby squeezing and limiting the tube inside the hollow shaft 5. The snap-fit ​​end of the snap-fit ​​plate 76 fits tightly against the outer edge of the tube, ensuring stable positioning of the tube. After limiting the tube, the servo motor 62 is started, which drives the worm gear 61 to rotate. The worm gear 61, through its cooperation with the worm wheel 63, drives the hollow shaft 5 to rotate, thereby assisting the rolling mill 3 in rotating the tube. During the rotation, the rotation speed and position of the tube can be monitored in real time by sensors and fed back to the control system to adjust the speed of the servo motor 62 and the pressure of the hydraulic cylinder 71 to ensure the stability and accuracy of the rotation process, completing the tube auxiliary rotation operation in the entire rolling process.

[0019] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A kind of super-long non-equal cross-section special-shaped pipe auxiliary rotary device, including feeding bed body (1), feeding trolley (2) and rolling mill (3), the discharge port of feeding bed body (1) is set feeding trolley (2), the discharge port of feeding trolley (2) is set rolling mill (3), it is characterized by: The finished product outlet of the rolling mill (3) is provided with a support (4), the upper part of the support (4) is rotatably installed with a hollow shaft (5), the hollow shaft (5) is coaxially arranged with the finished product outlet of the rolling mill (3), one end of the hollow shaft (5) is connected with a driving assembly (6), and the other end of the hollow shaft (5) is located at the finished product outlet of the rolling mill (3), the pipe passes through the hollow shaft (5) after passing through the rolling mill (3), a plurality of sliding grooves are formed in the periphery of the hollow shaft (5), and a pipe clamping and limiting assembly (7) is arranged on the sliding grooves.

2. The auxiliary rotary device for super-long non-equal cross-section profile pipe according to claim 1, characterized in that: The pipe clamping and limiting assembly (7) comprises a hydraulic cylinder (71), a connecting rod (72), a sliding sleeve (73), a bearing (74), an outlet sliding ring (75), a clamping plate (76) and a supporting rod (77), the clamping plate (76) is arranged in the sliding grooves in the periphery of the hollow shaft (5), the connecting end of the clamping plate (76) is hinged to the side wall of the sliding groove, the clamping end of the clamping plate (76) is slidably installed in the sliding groove, the outlet sliding ring (75) is matched and sleeved on the clamping plate (76), the sliding sleeve (73) is rotatably installed on the outlet sliding ring (75) through the bearing (74), the outer ring of the sliding sleeve (73) is provided with the connecting rod (72), the connecting rod (72) is rotatably connected to the two sides of the sliding sleeve (73), the top of the connecting rod (72) is hinged to the telescopic end of the hydraulic cylinder (71), the hydraulic cylinder (71) is installed on the top of the support (4), the bottom of the connecting rod (72) is hinged to one end of the supporting rod (77), and the other end of the supporting rod (77) is installed on the support (4).

3. The auxiliary rotary device for super-long non-equal cross-section profile pipe according to claim 1, characterized in that: The driving assembly (6) comprises a worm (61) and a servo motor (62), the worm (61) is rotatably installed on the support (4), one end of the worm (61) is connected with the rotating main shaft of the servo motor (62), and a worm wheel (63) is matched and installed on the worm (61).

4. The auxiliary rotary device for super-long non-equal cross-section profile pipe according to any one of claims 1-3, characterized in that: The clamping end structure of the clamping plate (76) is matched with the rib structure on the outer side of the pipe.

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