Round steel feeding guide groove for steel ball production line

Abstract

The utility model belongs to the steel ball manufacturing technical field especially relates to a round steel feeding guide groove for steel ball production line, include: guide groove core, guide groove core includes the steel pipe of coaxial setting of many sections, and the clearance is left between the adjacent guide groove cores, and the both ends of guide groove core are equipped with the taper mouth, guide groove seat, many section steel pipes are welded on the guide groove seat, arc baffle, arc baffle concentric setting is in the outer wall of guide groove core, and the cooling water inlet channel is formed between guide groove core and arc baffle, and the both ends of arc baffle are welded with guide groove seat, and the water inlet is set up in the feeding end of arc baffle, and the water outlet is set up in the discharge end of arc baffle. The utility model sets up arc baffle outside guide groove core, avoids the situation that water flow is full of ground when the original guide groove cools, also avoided the water flow to heated round steel and caused round steel temperature to reduce, improved the service life of rolling stock.

Description

Technical Field

[0001] This utility model belongs to the field of steel ball manufacturing technology, and in particular relates to a round steel feed guide chute for steel ball production line. Background Technology

[0002] In the steel ball production line process, a whole round steel bar is heated in an induction furnace and then enters the rolling mill through the feeding guide chute for rolling. When the round steel bar leaves the induction furnace, the temperature is very high, close to 1000 degrees Celsius. Before rolling, the heated round steel bar is conveyed into the rolling mill through the feeding guide chute. At this time, the high temperature of the round steel bar causes the guide chute to deform due to heat. In severe cases, the round steel bar cannot pass through the guide chute smoothly, causing production to stop.

[0003] The feed chute is an important component in the rolling mill production line, such as... Figure 1 As shown, the existing guide trough consists of components such as the upper guide trough 5, upper guide trough core 6, lower guide trough 7, lower guide trough core 8, guide trough seat, cooling water system, and cylinder. The total length is 6200 mm. The inner guide trough core is composed of two interlocking parts, the upper guide trough core 6 and the lower guide trough core 8, forming a diamond-shaped hollow cavity. The round steel, heated by medium-frequency induction, passes through this hollow cavity and enters the rolling mill. Because the round steel reaches a very high temperature (around 1000℃) after medium-frequency heating, it heats the guide trough core as it passes through, causing its temperature to rise continuously. Without cooling, this would deform the guide trough, preventing the round steel from passing through properly. Therefore, the cooling system prevents deformation of the guide trough. However, the existing cooling system's cooling chamber 9 has a small space, and after a period of use, water leaks from it. This causes water to splash into the gap between the upper guide trough core 6 and the lower guide trough core 8. When the round steel gets wet, its temperature drops, and the round steel entering the rolling mill does not reach the required temperature, resulting in substandard rolled steel balls. Utility Model Content

[0004] The purpose of this invention is to provide a round steel feeding guide chute for a steel ball production line, which avoids cooling water splashing onto the round steel by changing the structure of the feeding guide chute.

[0005] The objective of this utility model is achieved through the following technical solution: Includes: a guide groove core, wherein the guide groove core comprises multiple coaxially arranged steel pipes; A guide groove seat, wherein the guide groove core is welded to the guide groove seat, and a gap is left between adjacent steel pipes; An arc-shaped baffle plate is concentrically arranged on the outer wall of the guide groove core, forming a cooling water inlet channel between the guide groove core and the arc-shaped baffle plate, and the two ends of the arc-shaped baffle plate are welded to the guide groove seat.

[0006] Preferably, each section of the steel pipe has outwardly opening tapered ends; Preferably, the water inlet is located at the feeding end of the arc-shaped baffle plate, and the water outlet is located at the discharging end of the arc-shaped baffle plate.

[0007] Preferably, it further includes a pair of reinforcing thick plates, which are disposed at both ends of the arc-shaped water baffle, and the sidewalls of the two ends of the reinforcing thick plates are welded to the guide groove seat.

[0008] Preferably, the guide groove core is a seamless steel pipe.

[0009] Preferably, a V-shaped groove is provided at the connection between the guide groove seat and the guide groove core.

[0010] The beneficial effects of this utility model are as follows: This utility model relates to a round steel feed guide chute for a steel ball production line. An arc-shaped baffle plate is set on the outside of the guide chute core to increase the cooling chamber area, extend the service life of the feed guide chute, prevent water leakage from the cooling chamber, avoid cooling water seeping onto the heated round steel, prevent the round steel temperature from dropping, and improve the quality of rolled steel balls.

[0011] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0012] The above and other objects, features, and advantages of this invention will become more apparent from the more detailed description of exemplary embodiments of the invention in conjunction with the accompanying drawings. In the exemplary embodiments, the same reference numerals generally denote the same components.

[0013] Figure 1 A schematic diagram of the existing round steel feed guide channel.

[0014] Figure 2 A schematic diagram of the round steel feed guide groove of one embodiment of the present invention is shown.

[0015] Figure 3 An overall view of the feed guide channel according to an embodiment of the present invention is shown.

[0016] Figure 4 A front view of a reinforced thick plate according to an embodiment of the present invention is shown.

[0017] Explanation of reference numerals in the attached drawings: 1. Guide groove core; 2. Arc-shaped baffle plate; 3. Guide groove seat; 4. Reinforcing thick plate; 5. Upper guide groove; 6. Upper guide groove core; 7. Lower guide groove; 8. Lower guide groove core; 9. Cooling cavity. Detailed Implementation

[0018] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0019] like Figures 2 to 4 As shown, a round steel feed chute for a steel ball production line according to an embodiment of the present invention includes: The guide core 1 comprises multiple coaxially arranged steel pipes. The guide core 1 is a seamless steel pipe, and each section of the steel pipe has outwardly opening tapered openings at both ends to facilitate the smooth entry of round steel into the pipe without being stuck. The guide seat 3 is welded to the guide seat 3. The arc-shaped baffle 2 is concentrically arranged on the outer wall of the guide core 1, forming a cooling water inlet channel between the guide core 1 and the arc-shaped baffle 2. The two ends of the arc-shaped baffle 2 are welded to the guide seat 3. The water inlet is located at the feeding end of the arc-shaped baffle 2, and the water outlet is located at the discharging end of the arc-shaped baffle 2.

[0020] Specifically, the guide groove core 1 comprises three coaxially arranged seamless steel pipes. The three guide groove cores 1 are welded to the guide groove seat 3, with gaps between adjacent guide groove cores 1 to facilitate observation of whether the round steel is fed smoothly. An arc-shaped baffle plate 2 is placed on the guide groove core 1 and seamlessly welded to the guide groove seat 3. A cooling water inlet channel is formed between the guide groove core 1 and the arc-shaped baffle plate 2. Cooling water flows from the inlet to the outlet in the cooling water channel, thereby achieving the cooling effect on the guide groove core 1, preventing the guide groove from deforming, and also preventing water leakage from seeping onto the round steel, thus ensuring the rolling temperature of the round steel.

[0021] In this embodiment, as Figure 2 As shown, there is a gap between adjacent steel pipes. Through the gap between adjacent steel pipes, it is possible to observe whether the round steel gets stuck when it is fed. Tools can also be used between adjacent steel pipes to push the stuck round steel out of the guide groove core.

[0022] like Figure 3 and Figure 4 As shown, the round steel feed guide chute of this embodiment also includes: a pair of reinforcing thick plates 4, which are disposed at both ends of the arc-shaped baffle plate 2, and the side walls of the two ends of the reinforcing thick plates 4 are welded to the guide chute seat 3. Since the round steel enters the guide chute, if the front end of the round steel is bitten by the rolling mill rolls, the shearing force of the rolls increases the swing amplitude of the round steel. The impact force of the swinging round steel will intensify the vibration of the guide chute, making it easy for the arc-shaped baffle plate 2 to open at the connection with the guide chute. The reinforcing thick plates 4 can more firmly fix the arc-shaped baffle plate 2 to the guide chute seat 3, preventing the arc-shaped baffle plate 2 from opening at the connection with the guide chute when the impact of the swinging round steel is too large.

[0023] In this embodiment, the guide core 1 is made of a seamless tube of 35CrMo.

[0024] The manufacturing process of the round steel feed guide groove in this embodiment is as follows: 1. Fabricate the lower guide groove seat 3. The structure of the guide groove seat 3 is basically similar to that of the original guide groove seat. At the connection between the guide groove seat 3 and the lower part of the seamless pipe, a V-shaped groove needs to be cut. The V-shaped groove can better fix the guide groove core 1, making the three sections of steel pipe coaxial and forming a straight line. The 6200 mm long guide groove is made into three sections, each with a length of 2500 mm, 1800 mm, and 1800 mm respectively. There is a gap between each section for manual operation to retract the round steel.

[0025] 2. Fabrication of guide groove core 1. Guide groove core 1 is made of seamless tube of material 35CrMo. The inner hole of the end is machined with a tapered tip to facilitate the smooth entry of round steel into the tube without getting stuck. The inner diameter of the seamless tube is 50 mm and the outer diameter is 108 mm.

[0026] 3. Weld the seamless pipe onto the guide groove seat 3 and reinforce it. Weld thick steel plates (25mm thick) to both ends of each steel pipe section onto the guide groove seat 3 and the steel pipe, which serves both to fix the pipe and to form a cooling water tank.

[0027] 4. Construct a cooling water system. The arc-shaped baffle 2 is made of 6mm thick plate bent into an arc shape and welded to the guide groove seat 3 to form a cooling chamber. A water inlet pipe is welded to one end of the arc-shaped baffle 2 and a water outlet pipe is welded to the other end. The water outlet pipe extends to the bottom of the guide groove seat 3 so that the cooling water flows into the underground water channel.

[0028] An arc-shaped baffle plate 2 is installed outside the guide groove core 1 to prevent water from flowing all over the ground when the original guide groove is cooled, and also to prevent water from flowing onto the heated round steel. In this way, the temperature of the round steel cannot be reduced. If the heated round steel gets wet, the surface hardness of the round steel will increase, and the rolling die will be damaged during the rolling process, and its lifespan will be reduced.

[0029] In this embodiment, an arc-shaped baffle plate is set outside the guide groove core to increase the cooling chamber area, extend the service life of the feed guide groove, prevent water leakage from the cooling chamber, avoid cooling water seeping onto the heated round steel, and improve the quality of the rolled steel balls and the service life of the rolling mill.

[0030] Embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A round steel feed chute for a steel ball production line, characterized in that, include: The guide groove core comprises multiple coaxially arranged steel pipes; A guide groove seat, wherein the guide groove core is welded onto the guide groove seat, and a gap is left between adjacent steel pipes; An arc-shaped baffle plate is concentrically arranged on the outer wall of the guide groove core, forming a cooling water inlet channel between the guide groove core and the arc-shaped baffle plate, and the two ends of the arc-shaped baffle plate are welded to the guide groove seat.

2. The round steel feed chute for a steel ball production line according to claim 1, characterized in that, Each section of the steel pipe has outward-opening tapered openings at both ends.

3. The round steel feed chute for a steel ball production line according to claim 1, characterized in that, The inlet is located at the feed end of the arc-shaped baffle, and the outlet is located at the discharge end of the arc-shaped baffle.

4. The round steel feed chute for a steel ball production line according to claim 1, characterized in that, It also includes a pair of reinforcing thick plates, which are disposed at both ends of the arc-shaped water baffle, and the sidewalls of the two ends of the reinforcing thick plates are welded to the guide groove seat.

5. The round steel feed chute for a steel ball production line according to claim 1, characterized in that, The guide groove core is a seamless steel pipe.

6. The round steel feed chute for a steel ball production line according to claim 1, characterized in that, The connection between the guide groove seat and the guide groove core is provided with a V-shaped groove.

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