Cold rolling seamless tube core rod rolling equipment

Abstract

The utility model discloses a cold rolling seamless tube core rod rolling device, which belongs to the technical field of seamless tube core rod processing, and is characterized by comprising a rack, a controller is arranged on the right side of the rack, a feeding conveying mechanism is arranged on the front side of the top of the rack, a rolling structure is arranged in the middle of the top of the rack, and the controller is arranged on the right side of the rack. According to linkage of the feeding conveying mechanism and the rolling structure, after the mandrels are stored in the storage frame, the blocking and placing structure rotates according to a program to release the single mandrels to the auxiliary conveying shaft, immediately resets and takes back the second mandrels attached to the single mandrels, other mandrels are prevented from rolling down, the electric push rod pushes the push plate to accurately feed the mandrels into the rolling structure, and the production efficiency is improved. And the distance sensor monitors the separation state of the core rod in real time and feeds back the separation state to the controller, the next cycle is triggered, the process replaces manual operation, feeding errors are eliminated, the feeding time is shortened, the labor intensity is reduced, meanwhile, the positioning precision of the core rod is ensured, rolled waste products and rework are reduced, and the production efficiency is remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of seamless mandrel processing technology, and in particular to a cold-rolled seamless mandrel rolling equipment. Background Technology

[0002] Cold-rolled seamless tubes are widely used in many industrial fields due to their advantages such as high precision and high performance. In the production process of cold-rolled seamless tubes, the mandrel plays a crucial role, directly affecting the dimensional accuracy, surface quality and internal structure of the seamless tube.

[0003] Existing cold-rolled seamless tube mandrel rolling equipment has significant shortcomings in production efficiency. Due to the low level of automation, the loading and unloading of seamless tube mandrels largely rely on manual operation. Workers need to frequently travel between the material rack and the rolling station, repeatedly carrying out the handling, positioning, and placement of mandrels. This is labor-intensive and easily leads to fatigue, which also prolongs the production cycle and reduces overall production efficiency. At the same time, the error rate of manual operation is relatively high, and problems such as placement angle deviation and insufficient positioning accuracy can easily cause subsequent rolling abnormalities, resulting in scrap or the need for rework, which further reduces overall production efficiency.

[0004] Therefore, a cold-rolled seamless mandrel rolling equipment is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a cold-rolled seamless tube mandrel rolling equipment that addresses the significant shortcomings in production efficiency of existing cold-rolled seamless tube mandrel rolling equipment. Due to the low level of automation, the loading and unloading of seamless tube mandrels largely rely on manual operation. Workers need to frequently travel between the material rack and the rolling station, repeatedly carrying out the handling, positioning, and placement of mandrels. This results in high labor intensity and is prone to fatigue, extending the production cycle and reducing overall production efficiency. Furthermore, the error rate of manual operation is high, and issues such as placement angle deviation and insufficient positioning accuracy can easily lead to subsequent rolling abnormalities, resulting in scrap or the need for rework, further reducing overall production efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cold-rolled seamless tube mandrel rolling equipment, including a frame, a controller is provided on the right side of the frame, a feeding conveying mechanism is provided on the front side of the top of the frame, a rolling structure is provided in the middle of the top of the frame, and a discharging and conveying mechanism is provided on the rear side of the top of the frame.

[0007] The feeding and conveying mechanism includes a frame bolted to the front top of the machine frame. Auxiliary feeding shafts are rotatably connected to the inside of both sides of the frame. Material storage frames are fixedly connected to both sides of the front top of the machine frame. The material storage frames are located outside the auxiliary feeding shafts. A baffle structure is provided inside the material storage frames. Electric push rods are bolted to both sides of the front side of the frame. The telescopic ends of the electric push rods pass through the front side of the frame. A push plate is bolted to the telescopic ends of the electric push rods. A distance sensor is provided on the top of the push plate. The distance sensor, electric push rods, and baffle structure are all electrically connected to the controller.

[0008] Preferably, the material feeding and conveying mechanism includes a platform fixedly connected to the rear side of the top of the frame, with inclined shafts rotatably connected to the inside of both sides of the platform, and transfer frames fixedly connected to both sides of the top of the frame, the transfer frames being located outside the inclined shafts.

[0009] Preferably, contact sensors are provided on the rear side of the inside of both sides of the platform, and the contact sensors are electrically connected to the controller. Supports are fixedly connected to both sides of the top of the platform.

[0010] Preferably, an electric telescopic rod is bolted to the top of the bracket, the electric telescopic rod is electrically connected to the controller, the telescopic end of the electric telescopic rod passes through the top of the bracket, and a limit sleeve is bolted to the telescopic end of the electric telescopic rod, the limit sleeve being located at the top of the inclined shaft.

[0011] Preferably, the rolling structure includes a frame fixedly connected to the middle of the top of the frame, a lower roll rotatably connected to the bottom side of the frame, the lower roll being located at the rear side of the auxiliary feeding shaft and the front side of the inclined shaft, a drive motor being provided on the right side of the frame, the drive motor being electrically connected to the controller, and the output end of the drive motor being fixedly connected to the right side of the lower roll.

[0012] Preferably, hydraulic cylinders are bolted to both sides of the top inside the frame, and a hanging plate is fixedly connected to the telescopic end of the hydraulic cylinder. An upper roller is rotatably connected to the inner side of the hanging plate, and the upper roller is located on top of the lower roller.

[0013] Preferably, the baffle structure includes a servo motor bolted to the front side of the storage frame, the servo motor being electrically connected to the controller, and the output end of the servo motor passing through the front side of the storage frame.

[0014] Preferably, the output end of the servo motor is fixedly connected to a shaft, the rear side of the shaft is rotatably connected to the rear side inside the storage frame, and a baffle plate is fixedly connected to the outer side of the shaft.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The linkage between the feeding and conveying mechanism and the rolling structure in this application allows the storage box to hold the mandrel. After the mandrel is stored, the blocking structure rotates according to the program to release a single mandrel to the auxiliary feeding shaft. Then, it resets and brings back the second mandrel that is in contact with the single mandrel, while preventing the remaining mandrels from rolling off. The electric push rod pushes the push plate to accurately feed the mandrel into the rolling structure. The distance sensor monitors the mandrel detachment status in real time and feeds back to the controller to trigger the next cycle. This process replaces manual operation, eliminates feeding errors, shortens feeding time, reduces labor intensity, and at the same time ensures the positioning accuracy of the mandrel, reduces rolling scrap and rework, and significantly improves production efficiency.

[0017] 2. By setting up a material feeding and conveying mechanism, this application can automatically carry the seamless tube mandrel workpieces that have been rolled into a rolled structure, and then automatically convey them, thereby eliminating the need for manual handling and material feeding, saving material feeding time, making the entire rolling production process more continuous, further improving production efficiency, and enabling the equipment to operate continuously and efficiently. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the cold-rolled seamless mandrel rolling equipment of this utility model;

[0019] Figure 2 This is a structural diagram of the feeding and conveying mechanism of this utility model;

[0020] Figure 3 This is a structural diagram of the rolling structure of this utility model;

[0021] Figure 4 This is a structural diagram of the material feeding and conveying mechanism of this utility model;

[0022] Figure 5 This is a structural diagram of the blocking structure of this utility model.

[0023] In the diagram, 1. Frame; 2. Controller; 3. Feeding and conveying mechanism; 31. Frame; 32. Auxiliary feeding shaft; 33. Storage box; 34. Baffle structure; 341. Servo motor; 342. Shaft; 343. Baffle plate; 35. Electric push rod; 36. Push plate; 37. Distance sensor; 4. Rolling structure; 41. Frame; 42. Lower roll; 43. Drive motor; 44. Hydraulic cylinder; 45. Hanging plate; 46. Upper roll; 5. Unloading and conveying mechanism; 51. Platform; 52. Inclined shaft; 53. Transfer frame; 54. Contact sensor; 55. Support; 56. Electric telescopic rod; 57. Limit sleeve. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 The present invention provides the following technical solution:

[0026] A cold-rolled seamless tube mandrel rolling equipment includes a frame 1, a controller 2 is provided on the right side of the frame 1, a feeding conveying mechanism 3 is provided on the front side of the top of the frame 1, a rolling structure 4 is provided in the middle of the top of the frame 1, and a discharging and conveying mechanism 5 is provided on the rear side of the top of the frame 1.

[0027] The feeding and conveying mechanism 3 includes a frame 31 bolted to the front top of the frame 1. An auxiliary feeding shaft 32 is rotatably connected to the inside of both sides of the frame 31. A storage frame 33 is fixedly connected to both sides of the front top of the frame 1. The storage frame 33 is located outside the auxiliary feeding shaft 32. A baffle structure 34 is provided inside the storage frame 33. An electric push rod 35 is bolted to both sides of the front of the frame 31. The telescopic end of the electric push rod 35 passes through the front of the frame 31. A push plate 36 is bolted to the telescopic end of the electric push rod 35. A distance sensor 37 is provided on the top of the push plate 36. The distance sensor 37, the electric push rod 35 and the baffle structure 34 are all electrically connected to the controller 2.

[0028] In this embodiment, by setting up a feeding conveyor 3, a rolling structure 4, and a discharging and conveying mechanism 5, the three work together to achieve automated production. The feeding conveyor 3 uses a storage frame 33 to store mandrels. The blocking structure 34 rotates according to the command of the controller 2, releasing a single mandrel to the auxiliary feeding shaft 32, and then resets to block the remaining mandrels. The electric push rod 35 pushes the push plate 36 to send the mandrel along the auxiliary feeding shaft 32 into the rolling structure 4. The distance sensor 37 monitors the position of the mandrel in real time. After it leaves the frame 31, it sends a signal to trigger a new round of feeding cycle. The rolling structure 4 receives the mandrel and completes the processing according to the preset parameters. The discharging and conveying mechanism 5 automatically receives the finished mandrel and conveys it to the designated position. The entire process does not require manual intervention in the feeding and discharging operations, reducing human error and time loss, ensuring continuous operation of the equipment, and significantly improving the production efficiency and processing accuracy of cold-rolled seamless tube mandrels.

[0029] Specifically, such as Figure 4 As shown, the material feeding and conveying mechanism 5 includes a platform 51 fixedly connected to the rear side of the top of the frame 1. Inclined shafts 52 are rotatably connected to the inside of both sides of the platform 51. Transfer frames 53 are fixedly connected to both sides of the top of the frame 1. The transfer frames 53 are located outside the inclined shafts 52.

[0030] Specifically, such as Figure 4 As shown, contact sensors 54 are provided on the rear side of the inside of both sides of the test stand 51. The contact sensors 54 are electrically connected to the controller 2. Supports 55 are fixedly connected to both sides of the top of the test stand 51.

[0031] Specifically, such as Figure 4 As shown, an electric telescopic rod 56 is bolted to the top of the bracket 55. The electric telescopic rod 56 is electrically connected to the controller 2. The telescopic end of the electric telescopic rod 56 passes through the top of the bracket 55. A limit sleeve 57 is bolted to the telescopic end of the electric telescopic rod 56. The limit sleeve 57 is located at the top of the inclined shaft 52.

[0032] In this embodiment: by setting up the unloading and conveying mechanism 5, when the rolling structure 4 processes the mandrel workpiece, the rear side of the rolled mandrel workpiece will be conveyed to the inclined shaft 52 inside the frame 51. At the same time, the limiting sleeve 57 connected to the telescopic end of the electric telescopic rod 56 positions the top of the mandrel workpiece until the mandrel workpiece is completely conveyed to the inclined shaft 52. Furthermore, as the mandrel workpiece moves along the inclined shaft 52 to the ends inside both sides of the frame 51, it triggers the contact sensor 54 on the rear side of the frame 51. The contact sensor 54 feeds back the signal to the controller 2. The controller 2 immediately instructs the electric telescopic rod 56 to move the limiting sleeve 57 upward to release the mandrel. Due to the inclined design of the inclined shaft 52, the mandrel rolls smoothly into the transfer frame 53 to complete the output. The entire process is controlled by the closed loop of the contact sensor 54 and the electric components, avoiding manual intervention, eliminating the problems of low handling efficiency and positioning deviation, ensuring a smooth and stable unloading process, and significantly improving the overall production capacity of the equipment.

[0033] Specifically, such as Figure 3 As shown, the rolling structure 4 includes a frame 41 fixedly connected to the middle of the top of the frame 1. A lower roll 42 is rotatably connected to the bottom side inside the frame 41. The lower roll 42 is located on the rear side of the auxiliary feeding shaft 32 and the front side of the inclined shaft 52. A drive motor 43 is provided on the right side of the frame 41. The drive motor 43 is electrically connected to the controller 2. The output end of the drive motor 43 is fixedly connected to the right side of the lower roll 42.

[0034] Specifically, such as Figure 3 As shown, hydraulic cylinders 44 are bolted to both sides of the top inside the frame 41. The telescopic end of the hydraulic cylinder 44 is fixedly connected to a hanging plate 45. The inner side of the hanging plate 45 is rotatably connected to an upper roller 46, which is located on top of the lower roller 42.

[0035] In this embodiment: by setting the rolling structure 4, the drive motor 43 drives the lower roll 42 to rotate to provide basic power. The hydraulic cylinder 44 adjusts the downward stroke and pressure of the upper roll 46 in real time according to the instructions of the controller 2. The mandrel workpiece is extruded and formed by the groove cooperation between the upper roll 46 and the lower roll 42. This design not only ensures the precise control of the rolling force, but also adapts to the processing requirements of mandrels of different specifications. At the same time, the upper roll 46 and the lower roll 42 are respectively positioned to correspond to the auxiliary feeding shaft 32 and the inclined shaft 52, ensuring smooth connection between mandrel feeding and unloading, reducing equipment idle time, and improving rolling efficiency and finished product accuracy.

[0036] Specifically, such as Figure 5 As shown, the baffle structure 34 includes a servo motor 341 bolted to the front of the storage frame 33. The servo motor 341 is electrically connected to the controller 2, and the output end of the servo motor 341 passes through the front of the storage frame 33.

[0037] Specifically, such as Figure 5 As shown, the output end of the servo motor 341 is fixedly connected to a shaft 342, the rear side of the shaft 342 is rotatably connected to the rear side inside the storage frame 33, and the outer side of the shaft 342 is fixedly connected to a baffle plate 343.

[0038] In this embodiment: the mandrel is released in an orderly manner by using a servo motor 341 to drive the baffle plate 343 through the baffle structure 34. During processing, the controller 2 sends a command to the servo motor 341, and the shaft 342 drives the baffle plate 343 to rotate at a specific angle, so that the innermost mandrel workpiece in the storage frame 33 rolls down the ramp onto the auxiliary feeding shaft 32. Then the baffle plate 343 quickly resets to block the remaining mandrels. This action precisely controls the release of only one mandrel at a time, avoiding the randomness of manual material handling and the risk of multiple mandrels slipping. Combined with the pushing action of the electric push rod 35, the feeding process is fully automated and highly accurate, providing a stable input for the subsequent rolling process.

[0039] Working principle: During the operation of the cold-rolled seamless tube mandrel rolling equipment, mandrels are first stacked in an orderly manner in the storage frame 33 and controlled by the baffle structure 34. The servo motor 341 drives the baffle plate 343 to rotate at a specific angle according to the command of the controller 2, so that the innermost mandrel rolls down to the auxiliary conveying shaft 32. The baffle plate 343 then resets to prevent the remaining mandrels from slipping down. At this time, the electric push rod 35 pushes the push plate 36 along the auxiliary conveying shaft 32 to send the mandrel to the entrance between the lower roll 42 and the upper roll 46. The distance sensor 37 on the top of the push plate 36 monitors the position of the mandrel in real time. After the mandrel is completely separated from the frame 31, it sends a signal to the controller 2, triggering a new round of blocking and pushing cycles to ensure continuous and precise feeding. After the mandrel enters between the lower roller 42 and the upper roller 46, the drive motor 43 on the right side of the frame 41 drives the lower roller 42 to rotate, providing power. At the same time, the hydraulic cylinder 44 adjusts the downward stroke and pressure of the upper roller 46 according to preset parameters. The concave and convex surfaces of the upper roller 46 and the lower roller 42... The groove fits together to extrude the mandrel. Furthermore, due to the seamless connection between the upper roller 46 and the lower roller 42 with the auxiliary feeding shaft 32 and the inclined shaft 52, the mandrel feeding and unloading paths are smooth, greatly reducing the idle time of the equipment. During the rolling process, the mandrel rolls indirectly towards the end of the frame 51 along the inclined shaft 52. At this time, the limit sleeve 57 at the telescopic end of the electric telescopic rod 56 is pressed down in advance to position and prevent the mandrel from rolling off course. When the mandrel touches the contact sensor 54 on the rear side of the frame 51, the contact sensor 54 sends a signal to the controller 2. The controller 2 immediately instructs the limit sleeve 57 to move upward to release the mandrel. The inclined design of the inclined shaft 52 allows the mandrel to slide smoothly into the transfer frame 53 to complete the output. This closed-loop control ensures that the unloading process does not require manual intervention, avoiding loss of handling efficiency and positioning deviation. The entire component works collaboratively under the unified scheduling of the controller 2 to realize the full automation of the mandrel from storage, processing to output, significantly improving production efficiency and processing accuracy, and reducing labor costs and scrap rate.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements 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 cold-rolled seamless mandrel rolling equipment, comprising a frame (1), characterized in that: A controller (2) is provided on the right side of the frame (1), a feeding conveying mechanism (3) is provided on the front side of the top of the frame (1), a rolling structure (4) is provided in the middle of the top of the frame (1), and a discharge conveying mechanism (5) is provided on the rear side of the top of the frame (1). The feeding and conveying mechanism (3) includes a frame (31) bolted to the front top of the frame (1). An auxiliary feeding shaft (32) is rotatably connected to the inside of both sides of the frame (31). A storage frame (33) is fixedly connected to both sides of the front top of the frame (1). The storage frame (33) is located outside the auxiliary feeding shaft (32). A baffle structure (34) is provided inside the storage frame (33). An electric push rod (35) is bolted to both sides of the front side of the frame (31). The telescopic end of the electric push rod (35) passes through the front side of the frame (31). A push plate (36) is bolted to the telescopic end of the electric push rod (35). A distance sensor (37) is provided on the top of the push plate (36). The distance sensor (37), the electric push rod (35), and the baffle structure (34) are all electrically connected to the controller (2).

2. The cold-rolled seamless mandrel rolling equipment according to claim 1, characterized in that: The material feeding and conveying mechanism (5) includes a frame (51) fixedly connected to the rear side of the top of the frame (1). The frame (51) is rotatably connected to the inside of both sides of the frame (51). The top of the frame (1) is fixedly connected to both sides of the conveying frame (53), and the conveying frame (53) is located outside the inclined shaft (52).

3. The cold-rolled seamless mandrel rolling equipment according to claim 2, characterized in that: Contact sensors (54) are provided on the rear side of the inside of both sides of the platform (51). The contact sensors (54) are electrically connected to the controller (2). Supports (55) are fixedly connected to both sides of the top of the platform (51).

4. The cold-rolled seamless mandrel rolling equipment according to claim 3, characterized in that: An electric telescopic rod (56) is bolted to the top of the bracket (55). The electric telescopic rod (56) is electrically connected to the controller (2). The telescopic end of the electric telescopic rod (56) passes through the top of the bracket (55). A limit sleeve (57) is bolted to the telescopic end of the electric telescopic rod (56). The limit sleeve (57) is located at the top of the inclined shaft (52).

5. The cold-rolled seamless mandrel rolling equipment according to claim 1, characterized in that: The rolling structure (4) includes a frame (41) fixedly connected to the middle of the top of the frame (1). A lower roll (42) is rotatably connected to the bottom side inside the frame (41). The lower roll (42) is located on the rear side of the auxiliary feeding shaft (32) and the front side of the inclined shaft (52). A drive motor (43) is provided on the right side of the frame (41). The drive motor (43) is electrically connected to the controller (2). The output end of the drive motor (43) is fixedly connected to the right side of the lower roll (42).

6. The cold-rolled seamless mandrel rolling equipment according to claim 5, characterized in that: Hydraulic cylinders (44) are bolted to both sides of the top inside the frame (41). The telescopic end of the hydraulic cylinder (44) is fixedly connected to a hanging plate (45). The inner side of the hanging plate (45) is rotatably connected to an upper roller (46). The upper roller (46) is located at the top of the lower roller (42).

7. The cold-rolled seamless mandrel rolling equipment according to claim 1, characterized in that: The blocking structure (34) includes a servo motor (341) bolted to the front side of the storage frame (33). The servo motor (341) is electrically connected to the controller (2), and the output end of the servo motor (341) passes through the front side of the storage frame (33).

8. The cold-rolled seamless mandrel rolling equipment according to claim 7, characterized in that: The output end of the servo motor (341) is fixedly connected to a shaft (342), the rear side of the shaft (342) is rotatably connected to the rear side inside the storage frame (33), and a baffle plate (343) is fixedly connected to the outer side of the shaft (342).

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