Steel ball rolling device facilitating feeding
By using the design of guide bevels and spiral rolling grooves in the steel ball rolling device, the problem of poor feeding of round steel is solved, and smooth feeding and efficient production without human intervention are achieved.
Patent Information
- Application Number
- CN202422937145.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing steel ball rolling mills, round steel raw materials are prone to bending after heating, causing the ends to press against the ends of the rollers, affecting the smoothness of feeding and requiring manual intervention.
A steel ball rolling device that is easy to feed is designed. It uses a rotating shaft and paired rollers. The rollers are equipped with guide bevels and spiral rolling grooves. The ring guide bevel guides the round steel into the rollers, and the rollers cut it into segments and roll it into balls.
It realizes the smooth feeding of round steel without manual intervention, is simple to install, low in cost, highly adaptable, and improves production efficiency.
Smart Images
Figure CN223418243U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel ball rolling, in particular to a steel ball rolling device which is convenient for feeding. Background Art
[0002] Steel balls are rolled using a dedicated ball rolling machine. For example, hot rolling involves heating the bar into a furnace to approximately 1100°C. After exiting the furnace, the bar is formed into balls by the bar ball rolling machine's ball forming mechanism. The balls are then quenched in a quenching mechanism and then tempered in a tempering furnace (tempering temperature is approximately 200°C). Paired rollers, each with a spiral groove, are key components of the bar ball rolling machine's ball forming mechanism. The heated bar enters through the feed port at one end of the spiral groove and is formed into steel balls as it exits through the discharge port at the other end.
[0003] In the existing steel ball rolling mill, the raw material of the steel ball, round steel, passes through the induction heating furnace and is heated by Figure 3 The right side of the round bar enters the rolling mill rolls and is bitten by the roll pass before rolling begins. Since the round bar is thin (20-30mm in diameter), it is prone to bending after heating. A step is formed between the rolls and the rotating shaft, so the end of the round bar presses against the end of the roll, preventing it from entering the rolls smoothly. Manual feeding is required, which affects smooth production. Utility Model Content
[0004] The purpose of the utility model is to solve the above problems, and a steel ball rolling device which is convenient for feeding is designed, which solves the problem that the feeding of round steel is affected by the obstruction of the end of the roller.
[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is a steel ball rolling device that is easy to feed, including two rotatable shafts and two rollers arranged in pairs, the two rollers are fixedly mounted on the two shafts, a ring is provided on the side of the shaft close to the material feeding direction of the roller, and the side of the ring close to the material feeding direction has a guide inclined surface for guiding the product to be rolled along the axial direction of the shaft into between the two rollers.
[0006] Preferably, the steel ball rolling device further comprises a bearing seat, and both ends of the rotating shaft are rotatably connected to the bearing seat via bearings.
[0007] Preferably, the roller has a spiral rolling groove, the cross-section of the rolling groove is semicircular, and its diameter is adapted to the diameter of the steel ball, and a cutting portion is formed on the protrusion of the roller to match the rolling groove.
[0008] Preferably, the rolling groove has a feed port and a discharge port.
[0009] Preferably, the two said sleeves have a gap between them, and the gap between the two sleeves is the same as the gap between the two roller feeding ends.
[0010] Preferably, the said sleeve is split, and the said sleeve is fixedly installed on the rotating shaft.
[0011] Preferably, the axial length of the said sleeve is adapted to the distance between the end of the roller close to the feeding direction and the bearing.
[0012] Compared with the prior art, the beneficial effects are that:
[0013] The utility model discloses a simple structure, practicality is strong and the like advantage, when round steel enters the rolling mill, the front end of round steel bending will contact the guide inclined plane on the sleeve, and the guide inclined plane will guide round steel to enter between the two rollers, so that round steel can smoothly feed, and it is not necessary to manually guide round steel to enter between the two rollers, then the rotation of the two rollers will cut round steel into segments and roll the segmented round steel into steel balls, and the sleeve is installed on the rotating shaft, so that the rolling mill does not need to be greatly transformed, and the utility model discloses simple installation, no additional investment, and low cost. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overhead structure schematic diagram of steel ball rolling device in the utility model;
[0015] Figure 2 It is the installation structure schematic diagram of the roller and sleeve installed on the rotating shaft;
[0016] Figure 3 It is the schematic diagram of round steel entering the rolling mill in the prior art.
[0017] In the drawing, 1, rotating shaft, 2, roller, 201, rolling groove, 202, cutting part, 3, sleeve, 301, guide inclined plane, 4, bearing seat, 5, bearing, 6, round steel. DETAILED DESCRIPTION
[0018] The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range protected by the utility model.
[0019] As Figure 1As shown, the preferred embodiment of the utility model discloses a steel ball rolling device convenient for feeding, which is used on a rolling mill and mainly comprises two rollers 2, two rotating shafts 1 and four bearing seats 4, the two rollers 2 are arranged in pairs and are fixedly installed on the two rotating shafts 1 respectively, one bearing seat 4 is arranged at each end of the rotating shaft 1, and the two ends of the rotating shaft 1 are rotationally connected with the bearing seats 4 through bearings 5. The two rollers 2 have a proper gap therebetween so that the round steel 6 can enter between the two rollers 2.
[0020] The feeding of the round steel 6 is along the axial direction of the rotating shaft 1, Figure 1 The arrowhead direction shown in the drawings is the conveying direction of the round steel 6. A sleeve ring 3 is installed on each rotating shaft 1, and the sleeve ring 3 is located on the side of the roller 2 close to the feeding direction.
[0021] As shown in the drawings, Figure 2 The sleeve ring 3 has a guide inclined surface 301 on the side close to the feeding direction, and the guide inclined surface 301 is a conical surface. When the round steel 6 enters between the two sleeve rings 3, the end of the round steel 6 is naturally bent due to high temperature, and the bent end will touch the guide inclined surface 301 on the sleeve ring 3, the guide inclined surface 301 will guide the round steel 6 to enter between the two rollers 2, and the round steel 6 will not be blocked, so that the feeding is more smooth, and the round steel 6 does not need to be manually guided to enter between the two rollers 2.
[0022] In the embodiment, the sleeve ring 3 is split type and is not connected with the roller 2. In other technical solutions, the sleeve ring 3 can be integrally connected with the roller 2.
[0023] As shown in the drawings, Figure 1 The sleeve ring 3 is installed on the rotating shaft 1 so as to be replaced. The end of the roller 2 close to the feeding direction has a gap with the bearing 5, and the axial length of the sleeve ring 3 is adapted to the gap, so that the sleeve ring 3 can just fill the gap to prevent the end of the sleeve ring 3 from being contacted by the round steel 6 when the round steel 6 is fed. The round steel 6 only contacts the guide inclined surface 301 on the sleeve ring 3 when being fed.
[0024] The gap between the two sleeve rings 3 is the same as the gap between the feeding ends of the two rollers 2, so that the outer edge surface of the sleeve ring 3 is flush with the surface of the roller 2. In this way, the sleeve ring 3 and the roller 2 will not form a stepped surface, and the round steel 6 will not be blocked.
[0025] As shown in the drawings, Figure 2 The roller 2 is existing, and the roller 2 has a rolling groove 201, the rolling groove 201 is spiral, and the cross-sectional shape of the rolling groove 201 is semicircular, so that when the two rollers 2 are oppositely arranged, the rolling grooves 201 on the two rollers 2 will combine into a circle. Since the rolling groove 201 is spiral, the protrusion formed on the outer surface of the roller 2 is also spiral, and the protrusion is a cutting portion 202, and the outer end of the cutting portion 202 is a pointed end.
[0026] The front and rear ends of the rolling groove 201 are the feeding port and the discharging port respectively. Referring to Figure 1 When the round steel 6 enters between the two rollers 2 from the feeding port, the two rollers 2 rotate in the same direction under the driving of the rotating shaft 1, and the cutting part 202 on the outer surface of the roller 2 cuts the round steel 6 into segments. Since the rolling groove 201 is spiral, the small segments of the round steel 6 are conveyed backward and extruded, so that the round steel 6 finally becomes spherical.
[0027] The above technical scheme only embodies the preferred technical scheme of the utility model, and some changes made by the person skilled in the art to some parts of the utility model all embody the principle of the utility model and belong to the protection scope of the utility model.
Claims
1. A steel ball rolling device that is easy to feed, comprising two rotatable shafts (1) and two rollers (2) arranged in pairs, wherein the two rollers (2) are fixedly mounted on the two shafts (1), and characterized in that: A ferrule (3) is provided on the side of the rotating shaft (1) close to the material feed direction of the roller (2), and a guide inclined surface (301) is provided on the side of the ferrule (3) close to the material feed direction for guiding the product to be rolled to enter between the two rollers (2) along the axial direction of the rotating shaft (1).
2. The steel ball rolling device for easy feeding according to claim 1, characterized in that: The steel ball rolling device also includes a bearing seat (4), and both ends of the rotating shaft (1) are rotatably connected to the bearing seat (4) via bearings (5).
3. The steel ball rolling device for easy feeding according to claim 1, characterized in that: The roller (2) has a spiral rolling groove (201), the cross-section of the rolling groove (201) is semicircular, and its diameter is adapted to the diameter of the steel ball. A cutting portion (202) is formed on the roller (2) to match the rolling groove (201).
4. The steel ball rolling device for easy feeding according to claim 3, characterized in that: The rolling groove (201) has a feed port and a discharge port.
5. The steel ball rolling device for easy feeding according to claim 1, characterized in that: There is a gap between the two ferrules (3), and the gap between the two ferrules (3) is the same as the gap between the feed ends of the two rollers (2).
6. The steel ball rolling device for easy feeding according to claim 1, characterized in that: The ferrule (3) is of split type, and the ferrule (3) is mounted on the rotating shaft (1).
7. The steel ball rolling device for easy feeding according to claim 1, characterized in that: The axial length of the ring (3) is adapted to the distance between the end of the roller (2) close to the incoming material direction and the bearing (5).