A rod material conveying device

Abstract

The utility model provides a kind of rod material conveying device, comprising: conveying unit, conveying unit includes at least two screw rods of parallel arrangement, the upper surface of conveying unit forms the conveying surface for conveying rod material, and conveying surface makes rod material have the tendency of moving to the first side axial direction;Driving unit is connected with the conveying unit, for driving each screw rod synchronous rotation;Limiting unit is arranged at the first side of the conveying unit, can be contacted with the first end of rod material and realize axial location to it, so that the second end of rod material is exposed to conveying unit outside with set length;Material pressing unit is arranged directly above conveying unit, for contacting with the rod material on conveying surface, to prevent the second end of rod material from being lifted by magnetic force when inductive heating.The utility model rod material conveying device can realize the continuous conveying and accurate positioning of rod material, ensure the consistency and stability of its heated end, significantly improve the heating efficiency and safety, reduce the labor intensity and safety risk of operator.

Description

Technical Field

[0001] This utility model relates to a conveying device, and more particularly to a rod material conveying device. Background Technology

[0002] In the installation of large equipment, such as wind turbines, the components are enormous, requiring the use of large bolts. During the machining of these bolts, especially in the head machining process, the metal rod is often manually clamped and heat-treated using magnetic induction heating, before being stamped to form the bolt head. However, this traditional manual method has significant shortcomings:

[0003] 1. Magnetic induction heating can cause the bolt shank to reach a high temperature quickly (usually within the temperature range required for forging or forming, such as 800℃-1200℃ or higher). Manual clamping means that workers must be very close to the high temperature area, and a slight carelessness or tool failure can easily cause serious burns.

[0004] 2. Large bolts are heavy, and if they slip, fall, or are handled incorrectly during manual clamping and movement, they can cause serious accidents such as crushing or squeezing injuries to the operators.

[0005] 3. Manual clamping makes it difficult to ensure the precise and stable position and rotation speed of the rod end in the induction coil, resulting in uneven temperature gradients in the heating area, circumferential direction and length direction, which directly affects the quality and dimensional accuracy of subsequent head forming.

[0006] 4. And the processing efficiency is low. Summary of the Invention

[0007] The technical problem to be solved by this utility model is to provide a rod material conveying device with a compact structure, low manufacturing cost, which can keep the rod in a stable position during the conveying process and ensure uniform heating.

[0008] This utility model provides a rod material conveying device, which includes:

[0009] A conveying unit for conveying rod material, the conveying unit including at least two screws arranged in parallel, the upper surface of the conveying unit forming a conveying surface for conveying rod material, and the conveying surface causing the rod material to tend to move axially towards a first side;

[0010] A drive unit, connected to the conveying unit, is used to drive each screw to rotate synchronously;

[0011] A limiting unit is provided on the first side of the conveying unit, including a limiting baffle. The limiting baffle can contact the first end of the rod and axially limit it so that the second end of the rod protrudes outside the conveying unit at a set length. The second end of the rod is used for heating treatment by a magnetic induction heater.

[0012] The pressing unit is located directly above the conveying unit and is used to contact the rod on the conveying surface to prevent the second end of the rod from moving upward due to magnetic force during induction heating.

[0013] This application employs multiple screws to form a conveying surface, enabling continuous and stable conveying of the rod material. Simultaneously, a limiting unit precisely controls the extension length of the rod material, ensuring consistency of the heating area and matching with process requirements. The pressing unit effectively suppresses the influence of magnetic force on the rod material's posture, preventing upward movement due to magnetic force during heating. This ensures the stability and safety of the rod material during heating, reducing temperature unevenness, heating failure, or safety issues caused by positional deviation due to magnetic force. Compared to traditional manual methods, this rod material conveying device achieves continuous conveying and precise positioning of the rod material, ensuring consistency and stability at the heating end, significantly improving heating efficiency and safety, and reducing the labor intensity and safety risks for operators.

[0014] Furthermore, the screw is set horizontally, thus forming a horizontal conveying surface.

[0015] Furthermore, the pressing unit includes a pressing rod parallel to the length direction of the screw. The pressing rod has a gap with the rod material on the conveying surface and provides space for the rod material to rotate. By reserving the gap, the necessary space is provided for the rod material to rotate freely on the conveying surface.

[0016] Furthermore, the pressing length of the pressing unit and the limiting length of the limiting unit are greater than the distance the rod moves when it rotates once on the conveying surface.

[0017] Furthermore, the conveying direction of the conveying surface is perpendicular to the length direction of the rod, which helps to ensure the uniformity of heating at the end of the rod and facilitates the overall layout of the equipment.

[0018] Furthermore, the drive unit includes a drive motor, the output end of which is provided with a drive shaft, the drive shaft is provided with a drive gear corresponding to the screw, and the end of the screw is provided with a driven gear, the driven gear and the drive gear are one-to-one corresponding and meshing with each other.

[0019] Furthermore, the spiral grooves on each screw have the same spiral direction, and the rotation direction of each screw is the same. During the conveying process of the rod material, the rod material is affected by friction and tends to move axially, thereby realizing the automatic positioning of the rod material during the conveying process and effectively improving the positioning accuracy and stability of the rod material in the heating area.

[0020] Furthermore, cooling channels are provided inside the screw and / or in the bearing housing at the end of the screw to prevent deformation or damage to the screw and bearing due to temperature rise, thereby ensuring the overall operational stability and service life of the equipment.

[0021] Furthermore, the limiting unit also includes a mounting bracket I for mounting the limiting baffle. The mounting bracket I is capable of sliding, and its sliding direction is perpendicular to the conveying direction of the conveying surface and can adjust the distance between the limiting baffle and the induction heating station.

[0022] Furthermore, it also includes a mounting frame, on which the conveying unit, the driving unit, the limiting unit, and the pressing unit are all mounted and insulated from each other. This eliminates the risk of electric shock caused by the presence of a conductive circuit and improves safety. At the same time, it avoids power loss caused by energy leakage and uneven heating caused by magnetic field distortion.

[0023] Furthermore, the discharge end of the conveying unit is equipped with a discharge cylinder for axially pushing the rod material, which can realize automatic discharge of the heated rod material, thereby improving the overall work efficiency, reducing the need for manual intervention, and realizing fully automatic operation.

[0024] This utility model of a rod material conveying device enables continuous and stable conveying of rod materials. Simultaneously, a limiting unit precisely controls the extension length of the rod material, ensuring the consistency of the heating area and its compatibility with process requirements. The pressing unit effectively suppresses the influence of magnetic force on the rod material's posture, preventing upward movement due to magnetic force during heating. This ensures the stability and safety of the rod material during heating, reducing temperature unevenness, heating failure, or safety issues caused by positional deviation due to magnetic force. This utility model of a rod material conveying device enables continuous conveying and precise positioning of rod materials, ensuring the consistency and stability of the heated end, significantly improving heating efficiency and safety, and reducing the labor intensity and safety risks for operators. Attached Figure Description

[0025] Figure 1 This is a schematic diagram showing the usage state of the rod material conveying device of this utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the rod material conveying device of this utility model;

[0027] Figure 3 This is a schematic diagram of the installation of the drive unit of the rod material conveying device of this utility model;

[0028] Figure 4 This is a schematic diagram of the conveying unit of the rod material conveying device of this utility model;

[0029] Figure 5This is a schematic diagram of the rod material conveying device of this utility model;

[0030] In the diagram: 1. Mounting bracket, 21. Screw, 22. Bearing housing, 23. Driven gear, 24. Drive motor, 241. Drive shaft, 242. Drive gear, 3. Pressing unit, 32. Pressing rod, 4. Limiting unit, 41. Mounting bracket I, 42. Limiting baffle, 5. Discharge cylinder, 6. Feeding device, 7. Rod material, 8. Heating station. Detailed Implementation

[0031] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0032] See Figures 1-5 This utility model provides a rod material conveying device for automatically conveying rod material 7 to achieve induction heating of one end of rod material 7. It includes a conveying unit, a driving unit, a limiting unit 4 and a pressing unit 3.

[0033] The conveying unit is used to convey the rod material 7. The conveying unit includes screws 21, the surface of which has helical grooves, serving as the main conveying structure. There are at least two screws 21 arranged in parallel; in this embodiment, there are four, which can adapt to the conveying needs of rod materials 7 of different lengths and ensure smooth conveying. The upper surface of the conveying unit forms a conveying surface for conveying the rod material 7. Simultaneously, this conveying surface causes the rod material 7 to tend to move axially towards the first side. The drive unit is connected to the conveying unit and is used to drive each screw 21 to rotate synchronously. A limiting unit 4 is located on the first side of the conveying unit. During the conveying process of the screw 21, the rod 7 tends to move closer to the limiting unit 4. The limiting unit 4 includes a limiting baffle 42, which is strip-shaped and its length direction is parallel to the length direction of the screw 21. The limiting baffle 42 can contact the first end of the rod 7 and axially limit the rod 7, thereby allowing the second end of the rod 7 to protrude outside the conveying unit at a set length. The second end of the rod 7 is used for heating by a magnetic induction heater. Specifically, a heating station 8 is provided on the second side of the conveying unit, and the magnetic induction heater is set at the heating station to heat the exposed end of the rod. A pressing unit 3 is located directly above the conveying unit and is used to contact the rod 7 on the conveying surface to prevent the second end of the rod 7 from jumping or moving upward under magnetic force during induction heating.

[0034] This application employs multiple screws to form a conveying surface, enabling continuous and stable conveying of the rod material. Simultaneously, a limiting unit precisely controls the extension length of the rod material, ensuring the consistency of the heating area and its compatibility with process requirements. The pressing unit effectively suppresses the influence of magnetic force on the rod material's posture, preventing upward movement due to magnetic force during heating. This ensures the stability and safety of the rod material during heating, reducing temperature unevenness, heating failure, or safety issues caused by magnetic displacement. Compared to traditional manual methods, this rod material conveying device achieves continuous conveying and precise positioning of the rod material, ensuring consistency and stability at the heating end, significantly improving heating efficiency and safety, and reducing the labor intensity and safety risks for operators.

[0035] In this embodiment, the spiral grooves on each screw 21 have the same spiral direction, and the rotation direction of each screw 21 is the same. During the conveying process of the rod material 7, the rod material 7 is affected by friction and tends to move axially, thereby realizing the automatic positioning of the rod material 7 during the conveying process, and thus effectively improving the positioning accuracy and stability of the rod material 7 in the heating area.

[0036] To achieve automatic feeding, a feeding device 6 is provided at the feeding end of the conveying unit, which enables the rod material 7 to automatically enter the conveying unit. To achieve automatic discharging, a discharging device is provided at the discharging end of the conveying unit. Specifically, a discharging cylinder 5 is provided at the discharging end of the conveying unit. The output end of the discharging cylinder 5 is provided with a push rod, which is coaxial with the rod material 7 at the discharging end of the conveying unit and is used to push the rod material 7 axially out of the conveying unit. In this embodiment, the discharging cylinder 5 is located on the first side of the conveying unit and can contact the unheated end of the rod material 7. It can realize automatic discharging of the heated rod material 7, thereby improving the overall work efficiency, reducing the need for manual intervention, and realizing fully automatic operation.

[0037] In this embodiment, each screw 21 is horizontally arranged to form a horizontal conveying surface, which makes the rod material 7 in a horizontal position, facilitating feeding and discharging. At the same time, it facilitates the layout of the limiting unit 4, the pressing unit 3, and the heating unit (induction heater). Meanwhile, the conveying direction of the conveying surface is perpendicular to the length direction of the rod material 7, which helps to ensure the uniform heating of the ends of the rod material 7, and also facilitates the overall layout of the equipment.

[0038] The pressing unit 3 in this application includes a pressing rod 32 parallel to the length direction of the screw 21. There are one or more pressing rods 32, preferably two, which are positioned near the heating end of the rod 7. A gap exists between the pressing rod 32 and the rod 7 on the conveying surface, providing space for the rotation of the rod 7. During magnetic induction heating, the extended end of the rod 7 is subjected to a strong alternating magnetic field, generating an upward Lorentz force (magnetic force), which can easily cause the rod 7 to jump, move upward, or even detach from the conveying position. By setting the pressing rod 32, when the Lorentz force attempts to lift the rod 7, the rod 7 will move upward and eventually contact the pressing rod 32. The pressing rod 32 provides a rigid barrier, limiting the upward displacement. Within a small gap range, the rod material 7 is effectively prevented from moving upwards, jumping, or detaching significantly, thus ensuring the stability and safety of the heating position. At the same time, the reserved gap provides the necessary space for the rod material 7 to rotate freely on the conveying surface. If the pressure rod 32 directly and tightly presses against the rod material 7, sliding friction will be generated, which will hinder or even completely prevent the screw from driving the rod material 7 to rotate. However, the reserved gap ensures that the pressure rod 32 does not directly or rarely contacts the rotating rod material 7, avoiding excessive frictional resistance. This allows the screw 21 to drive the rod material 7 to rotate synchronously efficiently and reliably. Furthermore, the rotation of the rod material 7 improves the uniformity of heating during the heating process, resulting in a better heating effect.

[0039] To ensure the positional accuracy and smooth movement of the rod 7 during the heating process, the pressing length of the pressing unit 3 and the limiting length of the limiting unit 4 are greater than the distance the rod 7 moves when it rotates once on the conveying surface. This allows the pressing unit 3 and the limiting unit 4 to participate in the entire heating and rotation process of the rod 7, thereby ensuring effective pressing and limiting of the rod 7 throughout the heating process and ensuring consistent heating.

[0040] The limiting unit 4 also includes a mounting bracket I 41 for mounting the limiting baffle 42. The mounting bracket I 41 can slide, and its sliding direction is perpendicular to the conveying direction of the conveying surface. It can also adjust the distance between the limiting baffle 42 and the induction heating station, thereby adjusting the exposed length of the second end of the rod 7 according to different needs, or adapting to the conveying and heating of rods 7 of different lengths. It has high flexibility and wide application range. The mounting bracket I 41 can be precisely controlled by a lead screw, which can be driven by a handwheel or motor to realize the fine adjustment movement of the limiting baffle 42 with high adjustment accuracy.

[0041] The drive unit includes a drive motor 24, which is equipped with a reducer. The output end of the drive motor 24 is provided with a drive shaft 241. In this embodiment, the drive shaft 241 is perpendicular to the screw 21. The drive shaft 241 is provided with the same number of drive gears 242 as the screws 21 and they are one-to-one. The end of the screw 21 is provided with a driven gear 23. Each drive gear 242 meshes with the driven gear 23. The driven gear 23 on each screw 21 is directly connected to the drive gear 242 on the drive shaft 241 to form a rigid meshing transmission. This ensures that the rotational speed of all screws 21 is strictly synchronized, completely avoiding speed differences caused by slippage and elastic deformation in belt / chain transmission, achieving zero-error operation. It has good transmission reliability and high stability.

[0042] To prevent overheating and damage to the transmission system, this application includes cooling channels inside the screw 21 and in the bearing housing 22 at the end of the screw 21. The rod material 7 is heated to the forging temperature (typically 1100-1200℃) in the induction coil. The heat is transferred to the adjacent screw 21 through contact conduction and radiation, causing their temperatures to rise synchronously. The screw 21 is prone to deformation when heated, affecting the conveying accuracy or even causing it to jam. The bearing at its end may experience carbonization and failure of the lubricating grease due to heat, leading to increased operating resistance or bearing damage or seizure. By providing cooling channels in the screw 21 or in the bearing housing 22, the cooling medium (such as cooling water or cooling oil) flows through the interior of the screw 21 or the area of ​​the bearing housing 22, carrying away the heat and preventing deformation or damage to the screw 21 and bearings due to temperature rise, thus ensuring the overall operational stability and service life of the equipment.

[0043] This application also includes a mounting frame 1, on which the conveying unit, drive unit, limit unit 4 and pressing unit 3 are all mounted. At the same time, the conveying unit, drive unit, limit unit 4 and pressing unit 3 are insulated from the mounting frame 1, which can eliminate the risk of electric shock caused by the existence of conductive circuits and improve the safety of use. At the same time, it can avoid the problems of power loss caused by energy leakage and uneven heating caused by magnetic field distortion.

[0044] This utility model of a rod material conveying device enables continuous and stable conveying of rod materials. Simultaneously, a limiting unit precisely controls the extension length of the rod material, ensuring the consistency of the heating area and its compatibility with process requirements. The pressing unit effectively suppresses the influence of magnetic force on the rod material's posture, preventing upward movement due to magnetic force during heating. This ensures the stability and safety of the rod material during heating, reducing temperature unevenness, heating failure, or safety issues caused by positional deviation due to magnetic force. This utility model of a rod material conveying device enables continuous conveying and precise positioning of rod materials, ensuring the consistency and stability of the heated end, significantly improving heating efficiency and safety, and reducing the labor intensity and safety risks for operators.

[0045] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A rod conveying device, characterized in that, include: A conveying unit for conveying rod material, the conveying unit including at least two screws arranged in parallel, the upper surface of the conveying unit forming a conveying surface for conveying rod material, and the conveying surface causing the rod material to tend to move axially towards a first side; Cooling channels are provided inside the screw and / or in the bearing housing at the end of the screw; A drive unit, connected to the conveying unit, is used to drive each screw to rotate synchronously; A limiting unit is provided on the first side of the conveying unit, including a limiting baffle. The limiting baffle can contact the first end of the rod and axially limit it, so that the second end of the rod protrudes outside the conveying unit by a set length. The pressing unit is located directly above the conveying unit and is used to contact the rod on the conveying surface to prevent the second end of the rod from moving upward due to magnetic force during induction heating.

2. The rod conveying device as described in claim 1, characterized in that: The pressing unit includes a pressing rod parallel to the length direction of the screw. There is a gap between the pressing rod and the rod material on the conveying surface, and the pressing rod provides space for the rotation of the rod material.

3. The rod conveying device as described in claim 1, characterized in that: The pressing length of the pressing unit and the limiting length of the limiting unit are greater than the distance the rod moves when it rotates once on the conveying surface.

4. The rod conveying device as described in claim 1, characterized in that: The conveying direction of the conveying surface is perpendicular to the length direction of the rod.

5. The rod conveying device as described in claim 1, characterized in that: The drive unit includes a drive motor, the output end of which is provided with a drive shaft, the drive shaft is provided with a drive gear corresponding to the screw, and the end of the screw is provided with a driven gear, the driven gear and the drive gear are one-to-one corresponding and meshing with each other.

6. The rod conveying device as described in claim 1, characterized in that: The spiral grooves on each screw have the same spiral direction, and the rotation direction of each screw is the same.

7. The rod conveying device as described in claim 1, characterized in that: The limiting unit also includes a mounting bracket I for mounting the limiting baffle. The mounting bracket I is capable of sliding, and its sliding direction is perpendicular to the conveying direction of the conveying surface and can adjust the distance between the limiting baffle and the induction heating station.

8. The rod conveying device as described in claim 1, characterized in that: It also includes a mounting frame, on which the conveying unit, the driving unit, the limiting unit and the pressing unit are all mounted and insulated from the mounting frame.

9. The rod conveying device as described in claim 1, characterized in that: The discharge end of the conveying unit is equipped with a discharge cylinder for axially pushing the rod material out.

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