Billet tail end deburring device
By designing a deburring device for the tail end of the billet, and utilizing the burr detection and deburring mechanism to remove burrs during the billet's rotation, the product quality defect problem caused by burrs at the tail end of the billet was solved, and the yield was improved.
Patent Information
- Application Number
- CN202422977469.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In the production of hot-rolled seamless steel pipes, burrs generated at the tail end of the billet during the sawing process are easily carried into the continuous rolling mill, resulting in product quality defects and reduced yield.
A billet tail end deburring device is designed, which includes a roll group, a burr detection mechanism and a deburring mechanism. The burr at the billet tail end is detected by the burr detection mechanism, and the burr is removed by the cutter head of the deburring mechanism during the billet rotation process.
It effectively prevents burrs from being carried into the rolling mill pass, thereby improving product quality and yield rate.
Smart Images
Figure CN223465312U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel pipe production technical field, concretely is a kind of billet tail end deburring device. BACKGROUND
[0002] In the production of hot-rolled seamless steel pipe, the heating furnace is usually an annular heating furnace, and the cold billet is usually sawed by band saw or disc saw. After the cold billet is heated by the walking beam furnace, it is sawed by hot saw into a billet of a certain length for rolling. Since the billet is sawed in hot state, burrs are easily generated at the tail end of the billet during sawing, and in severe cases, "iron ears" are formed. During subsequent rolling, the burrs at the tail end of the billet are brought into the continuous rolling mill, causing product quality defects and reducing the product qualification rate and the yield. SUMMARY
[0003] The utility model aims to provide a kind of billet tail end deburring device to overcome the problems existing in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme as follows: a kind of billet tail end deburring device, including roller set, device mounting frame, burr detection mechanism and deburring mechanism, the front side of roller set is equipped with inlet guide sleeve, one end of inlet guide sleeve is close to roller set, the other end of inlet guide sleeve is away from roller set;The side of device mounting frame towards roller set is equipped with connecting frame, connecting frame is equipped with through hole for billet to pass through, the opening of the other end of inlet guide sleeve is communicated with the through hole of connecting frame;Burr detection mechanism is installed on device mounting frame, for detecting the burrs on the tail end of billet, burr detection mechanism includes adjusting assembly installed on device mounting frame and burr detection assembly assembled with adjusting assembly;Deburring mechanism includes tool bit and tool bit driving member connected with tool bit, tool bit driving member drives tool bit to move along the radial direction of billet, so that tool bit abuts against the outer circumferential surface of billet;When burr detection assembly detects the burrs at the tail end of billet, tool bit removes the burrs at the tail end of billet during the rotation of billet driven by roller set.
[0005] On the basis of the above technical scheme, the utility model can also be improved as follows:
[0006] As a further improvement of the above technical scheme, the adjusting assembly includes an adjusting screw, a first threaded sleeve and a second threaded sleeve connected to both ends of the adjusting screw by threads, the adjusting screw passes through the device mounting frame from top to bottom, the first threaded sleeve is connected to the upper end of the adjusting screw by threads, the second threaded sleeve is connected to the lower end of the adjusting screw by threads, the first threaded sleeve and the second threaded sleeve are symmetrical structures, the first threaded sleeve and the second threaded sleeve are both provided with a first assembly arm and a second assembly arm along the radial direction of the billet, and a reference detection point is provided on the first assembly arm.
[0007] As a further improvement of the above technical scheme, the burr detection assembly comprises a floating measuring rod arranged on the first assembly arm, a rolling wheel rotatably connected to the floating measuring rod, and a displacement sensor arranged on the second assembly arm, the floating measuring rod is assembled on the first assembly arm and can move along the radial direction of the billet, a measuring rod return spring is arranged between the first assembly arm and the second assembly arm, and the measuring rod return spring is sleeved on the floating measuring rod; the end of the floating measuring rod close to the billet is rotatably connected with the rolling wheel, the rolling wheel is in rolling contact with the billet, and the axis of the rolling wheel extends in the front-rear direction; and the displacement sensor is connected with the floating measuring rod and is used for detecting the floating amount of the floating measuring rod.
[0008] As a further improvement of the above technical scheme, the cutter head driving member is assembled on the device mounting rack, the cutter head driving member is an electric push rod or a hydraulic cylinder, and the cutter head driving member and the displacement sensor are in communication connection with the PLC controller.
[0009] As a further improvement of the above technical scheme, the side surface and the lower surface of the inlet guide sleeve are respectively provided with a notch one and a notch two, the deburring mechanism is arranged at the notch one close to the inlet guide sleeve, the notch one is used for the cutter head driving member and the cutter head to pass through, and the notch two is used for collecting the cut burrs.
[0010] As a further improvement of the above technical scheme, the roll set comprises an upper piercing roll and a lower piercing roll, the upper piercing roll and the lower piercing roll are conical, the upper piercing roll and the lower piercing roll are provided with the inlet guide sleeve on the front side, and the upper piercing roll and the lower piercing roll are connected with the main transmission shaft of the piercing machine.
[0011] As a further improvement of the above technical scheme, a punch head is arranged between the upper piercing roll and the lower piercing roll, a pair of guide plates are arranged on the two sides of the punch head, the punch head is arranged between the pair of guide plates, the upper piercing roll, the lower piercing roll, the punch head and the guide plates form a closed pass, the guide plates are fixed on the working rack of the piercing machine between the upper piercing roll and the lower piercing roll, and the punch head is connected with a punch rod.
[0012] As a further improvement of the above technical scheme, the other end of the inlet guide sleeve is provided with a flange, and the inlet guide sleeve is fixedly connected with the connecting frame through the flange and screws, so that the opening of the other end of the inlet guide sleeve is in communication with the through hole of the connecting frame.
[0013] The steel billet tail end deburring device has the advantages that the upper piercing roll and the lower piercing roll drive the steel billet to rotate in the process of driving the steel billet to roll, the burr detection mechanism is used to detect the burrs at the tail end of the steel billet, and the burrs at the tail end of the steel billet after hot sawing are removed by the cutter head of the deburring mechanism, so that the burrs are effectively avoided from being brought into the pass of the continuous rolling mill set and rolled, product defects caused by the burrs are reduced, and the product quality and the yield are improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model is further illustrated below in combination with the drawings and embodiments.
[0015] Figure 1 The structure schematic view of the steel billet tail end deburring device provided by the preferred embodiment of the utility model is shown in the figure.
[0016] Figure 2 The structure schematic view of the burr detection mechanism in the device is shown in the figure. Figure 1
[0017] Figure 3 The side view of the burr detection mechanism in the device is shown in the figure. Figure 2
[0018] Figure 4 The schematic view of the roller group cooperating with the guide plate and the top head in the device is shown in the figure. Figure 1
[0019] Figure 5 The structure schematic view of the deburring mechanism is shown in the figure.
[0020] Figure 6 The structure schematic view of the entrance guide sleeve with the notches is shown in the figure.
[0021] In the figure: 11, upper piercing roller; 12, lower piercing roller; 13, entrance guide sleeve; 131, notch one; 132, notch two; 14, top head; 141, top rod; 15, guide plate; 2, device mounting frame; 21, connecting frame; 3, burr detection mechanism; 31, adjusting screw rod; 32, first screw sleeve; 33, second screw sleeve; 34, first assembly arm; 341, reference detection point; 35, second assembly arm; 36, floating measuring rod; 361, measuring rod return spring; 37, rolling wheel; 38, displacement sensor; 41, cutter head; 42, cutter head driving part; 5, steel billet; 51, billet pushing mechanism. DETAILED DESCRIPTION
[0022] The utility model will be further explained in detail in combination with the drawings and embodiments, these drawings are all simplified schematic views, only in the schematic way illustrate the basic structure of the utility model, therefore it only shows the related constitution with the utility model.
[0023] In the description of the utility model, it needs to be understood that, the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0024] In the description of the utility model, it needs to be understood that, the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0025] As shown in Figure 1 , Figure 2 and Figure 3 , a kind of steel billet tail end deburring device provided by a preferred embodiment of the utility model, including roller set, device mounting frame 2, burr detection mechanism 3 and deburring mechanism.
[0026] Roller set includes upper punch roll 11 and lower punch roll 12, upper punch roll 11 and lower punch roll 12 are conical, upper punch roll 11 and lower punch roll 12 front side are equipped with inlet guide sleeve 13, inlet guide sleeve 13 is along horizontal arrangement, one end (right end) of inlet guide sleeve 13 is close to roller set, the other end (left end) of inlet guide sleeve 13 is away from roller set;Inlet guide sleeve 13 is circular tubular and both ends are open, for guiding steel billet 5 to be threaded through. Upper punch roll 11 and lower punch roll 12 are connected with the main transmission shaft of puncher, and upper punch roll 11 and lower punch roll 12 are driven to rotate by the main transmission shaft of puncher;Push billet mechanism 51 pushes steel billet 5 to be threaded through inlet guide sleeve 13 from front to back, so that the head end of steel billet 5 is in contact with rotating upper punch roll 11 and lower punch roll 12, and steel billet 5 is clamped between upper punch roll 11 and lower punch roll 12, and upper punch roll 11 and lower punch roll 12 drive steel billet 5 to rotate and advance for rolling.
[0027] AsFigure 4 As shown, a punch 14 is arranged between the upper piercing roller 11 and the lower piercing roller 12, and a pair of guide plates 15 are arranged on both sides of the punch 14, the punch 14 is arranged between the pair of guide plates 15, and the upper piercing roller 11, the lower piercing roller 12, the punch 14 and the guide plates 15 form a closed hole type. The guide plates 15 are fixed on the working frame of the piercing mill between the upper piercing roller 11 and the lower piercing roller 12, and the punch 14 is connected with a top rod 141. The billet pushing mechanism 51 pushes the steel billet 5 to move from front to back, and pushes the steel billet 5 into the hole type of the piercing mill. When the steel billet 5 is gripped by the upper piercing roller 11 and the lower piercing roller 12, the steel billet 5 is rotated in the circumferential direction under the driving of the upper piercing roller 11 and the lower piercing roller 12, the punch 14 penetrates into the inside of the steel billet 5 to implement pipe expanding rolling, and the hollow pipe is rolled.
[0028] The side of the device mounting frame 2 facing the roller set is provided with a connecting frame 21, the connecting frame 21 is provided with a through hole for the steel billet 5 to penetrate, and the opening of the other end of the inlet guide sleeve 13 is in communication with the through hole of the connecting frame 21. Specifically, the other end of the inlet guide sleeve 13 can be provided with a flange, and the inlet guide sleeve 13 is fixedly connected with the connecting frame 21 through the flange and screws, so that the opening of the other end of the inlet guide sleeve 13 is in communication with the through hole of the connecting frame 21. As shown in the figure, Figure 1 As shown, the billet pushing mechanism 51 pushes the steel billet 5 to move horizontally, and the steel billet 5 penetrates the through hole of the connecting frame 21 and the inlet guide sleeve 13 in sequence.
[0029] The burr detection mechanism 3 is installed on the device mounting frame 2 and is used for detecting the burr on the tail end of the steel billet 5. The burr detection mechanism 3 includes an adjusting assembly installed on the device mounting frame 2 and a burr detection assembly assembled with the adjusting assembly. The adjusting assembly includes an adjusting screw 31 and a first threaded sleeve 32 and a second threaded sleeve 33 threadedly connected to both ends of the adjusting screw 31.
[0030] The adjusting screw 31 penetrates the device mounting frame 2 upward and downward, the first threaded sleeve 32 is threadedly connected to the upper end of the adjusting screw 31, and the second threaded sleeve 33 is threadedly connected to the lower end of the adjusting screw 31. By rotating the adjusting screw 31, the first threaded sleeve 32 and the second threaded sleeve 33 can be moved in the direction of approaching or moving away from each other, so as to adjust the distance between the first threaded sleeve 32 and the second threaded sleeve 33. The first threaded sleeve 32 and the second threaded sleeve 33 are symmetrical structures, and the first threaded sleeve 32 and the second threaded sleeve 33 are both provided with a first assembly arm 34 and a second assembly arm 35 in a radial direction of the steel billet 5, and the first assembly arm 34 is provided with a reference detection point 341.
[0031] The burr detection assembly detects the burr on the billet 5 by measuring the distance between the reference detection point 341 and the outer circumferential surface of the billet 5, and comprises a floating measuring rod 36 arranged on the first assembly arm 34, a rolling wheel 37 rotatably connected to the floating measuring rod 36, and a displacement sensor 38 arranged on the second assembly arm 35. The floating measuring rod 36 is assembled on the first assembly arm 34 and can move in the radial direction of the billet 5, and a measuring rod return spring 361 is arranged between the first assembly arm 34 and the second assembly arm 35, and the measuring rod return spring 361 is sleeved on the floating measuring rod 36; the end of the floating measuring rod 36 close to the billet 5 is rotatably connected with the rolling wheel 37, the rolling wheel 37 is in rolling contact with the billet 5, and the axis of the rolling wheel 37 extends in the front-rear direction. The displacement sensor 38 is connected with the floating measuring rod 36 and is used for detecting the floating amount of the floating measuring rod 36, and the displacement sensor 38 can be a laser displacement sensor.
[0032] As shown in Figure 5 , the deburring mechanism is used for cutting off the burr at the tail end of the billet 5, and comprises a tool bit 41 and a tool bit driving member 42 connected with the tool bit 41, the tool bit driving member 42 can drive the tool bit 41 to move in the radial direction of the billet 5, so that the tool bit 41 abuts against the outer circumferential surface of the billet 5; when the burr detection assembly detects the burr at the tail end of the billet 5, the tool bit 41 removes the burr at the tail end of the billet 5 in the process of rotating the billet 5 driven by the upper piercing roller 11 and the lower piercing roller 12.
[0033] Preferably, as shown in Figure 3 , the tool bit driving member 42 is assembled on the device mounting frame 2, and the tool bit driving member 42 can be an electric push rod or a hydraulic cylinder; the tool bit driving member 42 and the displacement sensor 38 can be in communication connection with the PLC controller; when the burr detection assembly detects the burr at the tail end of the billet 5, the displacement sensor 38 sends the floating amount of the floating measuring rod 36 detected to the PLC controller, and the PLC controller controls the tool bit driving member 42 to drive the tool bit 41 to move in the radial direction of the billet 5, so that the tool bit 41 abuts against the outer circumferential surface of the billet 5, thereby removing the burr at the tail end of the billet 5 in the process of rotating the billet 5.
[0034] Optionally, as shown in Figure 6 , the side and the lower part of the inlet guide sleeve 13 are respectively provided with a gap one 131 and a gap two 132, and the deburring mechanism can be arranged near the gap one 131 of the inlet guide sleeve 13; the gap one 131 is used for allowing the tool bit driving member 42 and the tool bit 41 to pass through, and the tool bit driving member 42 drives the tool bit 41 to move in the radial direction of the billet 5, so that the tool bit 41 cuts off the burr at the tail end of the billet 5; and the gap two 132 is used for collecting the cut burr.
[0035] The above steel billet tail end deburring device is used in cooperation with a piercing mill, in use, the billet pushing mechanism 51 pushes the sawed steel billet 5 to move from back to front, so that the steel billet 5 passes through between the two rolling wheels 37 located inside the device mounting frame 2 and sequentially penetrates through the through hole of the connecting frame 21 and the entrance guide sleeve 13. The billet pushing mechanism 51 makes the steel billet 5 pass out from the right end of the entrance guide sleeve 13, so that the head end of the steel billet 5 is in contact with the rotating upper piercing roller 11 and lower piercing roller 12, the steel billet 5 is clamped between the upper piercing roller 11 and the lower piercing roller 12, and the upper piercing roller 11 and the lower piercing roller 12 drive the steel billet 5 to rotate and advance for rolling. When the tail end outer peripheral surface of the steel billet 5 is in contact with the two rolling wheels 37, the burr detection assembly detects the burr of the tail end outer peripheral surface of the steel billet 5, when there is a burr on the outer peripheral surface of the steel billet 5, the corresponding floating measuring rod 36 will float away from the steel billet 5, the displacement sensor 38 detects the floating amount of the floating measuring rod 36, and the burr detection is realized; the cutter head driving part 42 drives the cutter head 41 to move radially along the steel billet 5, so that the cutter head 41 abuts against the outer peripheral surface of the steel billet 5, and the burr at the tail end of the steel billet 5 is removed in the process of rotating the steel billet 5.
[0036] The above steel billet tail end deburring device drives the steel billet 5 to rotate in the rolling process of the steel billet 5 driven by the upper piercing roller 11 and the lower piercing roller 12, detects the burr at the tail end of the steel billet 5 by using the burr detection mechanism 3, and removes the burr at the tail end of the steel billet 5 after sawing by using the cutter head 41 of the burr removing mechanism, so that the burr is effectively avoided from being brought into the rolling mill group pass for rolling, product defects caused by the burr are reduced, and product quality and yield are improved.
[0037] In the specific implementation manner of the utility model, the descriptions not involved in the above are the known technologies in the art, and can be implemented by referring to the known technologies.
[0038] According to the ideal implementation examples of the utility model, the related personnel can make various changes and modifications without deviating from the technical thought of the utility model. The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of claims.
Claims
1. A billet tail end deburring device, characterized by: The device comprises a roller set, a device mounting frame, a burr detection mechanism and a burr removing mechanism. The front side of the roller set is provided with an inlet guide sleeve. One end of the inlet guide sleeve is close to the roller set, and the other end of the inlet guide sleeve is away from the roller set. The side of the device mounting frame facing the roller set is provided with a connecting frame. The connecting frame is provided with a through hole for the steel billet to pass through. The opening of the other end of the inlet guide sleeve is in communication with the through hole of the connecting frame. The burr detection mechanism is installed on the device mounting frame and is used for detecting the burr on the tail end of the steel billet. The burr detection mechanism comprises an adjusting assembly installed on the device mounting frame and a burr detection assembly assembled with the adjusting assembly. The burr removing mechanism comprises a cutter head and a cutter head driving member connected with the cutter head. The cutter head driving member drives the cutter head to move along the radial direction of the steel billet. The cutter head abuts against the outer circumferential surface of the steel billet. When the burr detection assembly detects the burr on the tail end of the steel billet, the cutter head removes the burr on the tail end of the steel billet in the process of driving the steel billet to rotate by the roller set.
2. The billet end deburring device according to claim 1, characterized by: The adjusting assembly comprises an adjusting screw, a first threaded sleeve and a second threaded sleeve which are threadedly connected to both ends of the adjusting screw. The adjusting screw penetrates the device mounting frame from top to bottom. The first threaded sleeve is threadedly connected to the upper end of the adjusting screw. The second threaded sleeve is threadedly connected to the lower end of the adjusting screw. The first threaded sleeve and the second threaded sleeve are symmetrical structures. The first threaded sleeve and the second threaded sleeve are both provided with a first assembly arm and a second assembly arm which are spaced apart along the radial direction of the steel billet. The first assembly arm is provided with a reference detection point.
3. The billet end deburring device according to claim 2, characterized in that: The burr detection assembly comprises a floating measuring rod arranged on the first assembly arm, a rolling wheel rotatably connected to the floating measuring rod and a displacement sensor arranged on the second assembly arm. The floating measuring rod is assembled on the first assembly arm and can move along the radial direction of the steel billet. A measuring rod return spring is arranged between the first assembly arm and the second assembly arm. The measuring rod return spring is sleeved on the floating measuring rod. The end of the floating measuring rod close to the steel billet is rotatably connected with the rolling wheel. The rolling wheel is in rolling contact with the steel billet. The axis of the rolling wheel extends in the front-rear direction. The displacement sensor is connected with the floating measuring rod and is used for detecting the floating amount of the floating measuring rod.
4. The billet end deburring device according to claim 3, characterized in that: The cutter head driving member is assembled on the device mounting frame. The cutter head driving member is an electric push rod or a hydraulic cylinder. The cutter head driving member and the displacement sensor are in communication connection with a PLC controller.
5. The billet end deburring apparatus according to claim 1, characterized by: The side surface and the lower surface of the inlet guide sleeve are respectively provided with a notch one and a notch two. The burr removing mechanism is arranged close to the notch one of the inlet guide sleeve. The notch one is used for the cutter head driving member and the cutter head to pass through. The notch two is used for collecting the cut burrs.
6. The billet end deburring apparatus according to claim 1, characterized by: The roller set comprises an upper piercing roller and a lower piercing roller. The upper piercing roller and the lower piercing roller are conical. The upper piercing roller and the lower piercing roller are provided with an inlet guide sleeve on the front side. The upper piercing roller and the lower piercing roller are connected with the main transmission shaft of the piercing machine.
7. The billet end deburring device according to claim 6, characterized in that: A top head is arranged between the upper piercing roller and the lower piercing roller. A pair of guide plates are arranged on both sides of the top head. The top head is arranged between the pair of guide plates. The upper piercing roller, the lower piercing roller, the top head and the guide plates form a closed hole type. The guide plates are fixed on the working frame of the piercing machine between the upper piercing roller and the lower piercing roller. The top head is connected with a top rod.
8. The billet end deburring device according to claim 6, characterized by: The other end of the inlet guide sleeve is provided with a flange, and the inlet guide sleeve is fixedly connected with the connecting frame through the flange and screws, so that the opening of the other end of the inlet guide sleeve is communicated with the through hole of the connecting frame.