Raw material heating device for forging oil cylinder piston rod

By using a raw material heating device driven by rotating rollers and gears during the forging of the cylinder piston rod, the problem of uneven heating of the raw material rod is solved, efficient and uniform heating is achieved, and the quality of the piston rod is improved.

CN222221052UActive Publication Date: 2024-12-24CHANGZHOU KANGNING FORGING CO LTD
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Patent Information

Application Number
CN202420728185.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2024-12-24
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

During the forging of the oil cylinder piston rod, the base temperature at the raw rod is low due to the stationary state during the heating process, and the heat is uneven, which affects the quality of the piston rod.

Method used

A raw material heating device including a conveying mechanism and a heating mechanism is designed. By providing a load bearing assembly on the conveyor belt, the raw material rod is rotated and heated by rotating rollers and gear transmission, ensuring uniform heat transfer.

Benefits of technology

The efficiency and energy utilization of raw materials are improved, and the uniform heating of raw materials rods is ensured, thereby improving the quality of piston rod forging.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222221052U_ABST
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Abstract

The utility model relates to a raw material heating device for oil cylinder piston rod forging, and belongs to the technical field of oil cylinder forging, the raw material heating device comprises a conveying mechanism and a heating mechanism arranged above the conveying mechanism, a conveying channel is formed between the heating mechanism and the conveying mechanism, one end of the conveying channel is a feeding port, and the other end of the conveying channel is a discharging port; the conveying mechanism comprises a support and a conveying belt installed on the support, and bearing assemblies used for placing raw materials are evenly distributed and fixed on the conveying belt. The heating efficiency is high, the energy utilization rate is high, the bearing assembly is arranged on the conveying belt, raw material rods are placed on the bearing assembly, in the heating process, rolling wheels in the bearing assembly can roll along a support, then two rotating rollers are driven to rotate through gear transmission, the rotating rollers drive the raw material rods to rotate, and therefore the raw material rods can be evenly heated, and the heating efficiency is improved. And the subsequent piston rod forging quality can be improved.
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Description

Technical Field

[0001] The present application relates to the technical field of oil cylinder forging, and in particular to a raw material heating device for forging an oil cylinder piston rod. Background Art

[0002] The oil cylinder is a hydraulic cylinder. The hydraulic cylinder is a linear motion actuator whose output force is proportional to the effective area of ​​the piston and the pressure difference on both sides. Its function is to convert hydraulic energy into mechanical energy. The input of the hydraulic cylinder is the flow rate and pressure of the fluid, and the output is the linear motion speed and force. The piston of the hydraulic cylinder can complete linear reciprocating motion, and the output linear displacement is limited. The hydraulic cylinder is an energy conversion device that converts hydraulic energy into mechanical energy of reciprocating linear motion. The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device.

[0003] Among them, the piston rod is the main supporting part, and its strength must be high enough. During the production process, the raw material rod is heated to a certain temperature and then forged. In the prior art, the raw material rod is generally heated by a heater on the top of the heating furnace. Since the raw material rod is in a static state from entering the heating furnace to leaving the heating furnace, it is easy to cause the temperature at the bottom of the raw material rod to be low, and the raw material rod is heated unevenly, thus affecting the quality of the subsequent piston rod. Utility Model Content

[0004] The purpose of the present application is to provide a raw material heating device for forging a cylinder piston rod to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the present application provides a raw material heating device for forging a cylinder piston rod, which adopts the following technical solution:

[0006] A raw material heating device for forging a cylinder piston rod comprises a conveying mechanism and a heating mechanism arranged above the conveying mechanism, a conveying channel is formed between the heating mechanism and the conveying mechanism, one end of the conveying channel is a feeding port, and the other end is a discharging port, the conveying mechanism comprises a bracket and a conveying belt installed on the bracket, a bearing assembly for placing raw materials is evenly fixed on the conveying belt, the bearing assembly comprises a bearing plate, a first bearing seat, a second bearing seat and two rotating rollers, the first bearing seat and the second bearing seat are symmetrically fixed on the bearing plate, the two rotating rollers are symmetrically connected to the first bearing seat and the second bearing seat in a side-by-side manner, one end of the rotating roller extends out of the first bearing seat, and a first gear is fixed to the end of the rotating roller, a first transmission rod is rotatably connected to the first bearing seat, a second gear meshing with the first gear is fixed to the first transmission rod, a roller is fixed to the end of the first transmission rod, and the roller can roll along the bracket.

[0007] Preferably, guide rails are symmetrically fixed on both sides of the top of the bracket, the guide rails are arranged above the first transmission rod, and one end of the guide rail close to the feeding port has an upwardly tilted guide portion, and a bearing is also fixed on the first transmission rod, and the bearing surface can contact the guide rail;

[0008] In order to ensure the smooth operation of the bearing assembly, the second bearing seat is also rotatably connected to a second transmission rod symmetrically arranged with the first transmission rod, and the second transmission rod is also respectively fixed with a bearing and a roller.

[0009] By adopting the above technical solution, a guide rail is provided, and an end of the guide rail close to the feed port has an upwardly tilted guide portion. When the load-bearing assembly enters from the feed port along with the conveyor belt, the bearings on the first transmission rod and the second transmission rod can be pressed under the guide rail, thereby ensuring that the rollers on both sides can roll along the friction plate, so that the second gear can well drive the first gear to rotate, thereby ensuring that the two rotating rollers can rotate flexibly.

[0010] Preferably, in order to ensure that the roller can roll flexibly on the bracket, a friction plate is fixed on the bracket, the friction plate is arranged along the length direction of the bracket, and the roller can roll along the friction plate.

[0011] Preferably, in order to prevent the raw material rod from slipping out of the bearing assembly, a limiting plate is fixed on the first bearing seat and the second bearing seat.

[0012] To summarize, the present application includes at least one of the following beneficial technical effects: the raw material heating device for forging a cylinder piston rod has high heating efficiency and high energy utilization rate. A load-bearing assembly is provided on the conveyor belt, and the raw material rods are placed on the load-bearing assembly. During the heating process, the rollers in the load-bearing assembly will roll along the bracket, and then drive the two rotating rollers to rotate through gear transmission. The rotating rollers drive the raw material rods to rotate, so that the raw material rods can be heated evenly, thereby improving the quality of subsequent piston rod forging. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0014] Figure 2 yes Figure 1 Enlarged view of part A in the middle.

[0015] Figure 3 It is a schematic diagram of the overall structure from another perspective of the embodiment of the present application.

[0016] Figure 4 yes Figure 3 Enlarged view of part B in the middle.

[0017] Explanation of the accompanying drawings: 1. Conveying mechanism; 11. Bracket; 12. Conveyor belt; 2. Heating mechanism; 3. Load-bearing assembly; 31. Load-bearing plate; 32. First bearing seat; 33. Second bearing seat; 34. Rotating roller; 341. First gear; 35. First transmission rod; 36. Second gear; 37. Roller; 4. Friction plate; 5. Insulation plate; 6. Guide rail; 7. Bearing; 8. Second transmission rod; 9. Limit plate. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-4 This application is described in further detail.

[0019] The present application embodiment discloses a raw material heating device for forging a cylinder piston rod, referring to Figure 1-4 , including a conveying mechanism 1 and a heating mechanism 2 arranged above the conveying mechanism 1, a conveying channel is formed between the heating mechanism 2 and the conveying mechanism 1, one end of the conveying channel is a material inlet, and the other end is a material outlet, the conveying mechanism 1 includes a bracket 11 and a conveying belt 12 installed on the bracket 11, and a bearing assembly 3 for placing raw material bars is evenly fixed on the conveying belt 12, and the bearing assembly 3 includes a bearing plate 31, a first bearing seat 32, a second bearing seat 33 and two rotating rollers 34, the first bearing seat 32 and the second bearing seat 33 are symmetrically fixed on the bearing plate 31, and the two rotating rollers 34 are arranged side by side It is symmetrically connected to the first bearing seat 32 and the second bearing seat 33 for rotation. One end of the rotating roller 34 extends out of the first bearing seat 32, and a first gear 341 is fixed to the end of the rotating roller 34. A first transmission rod 35 is rotatably connected to the first bearing seat 32. A second gear 36 meshing with the first gear 341 is fixed to the first transmission rod 35. A roller 37 is fixed to the end of the first transmission rod 35, and the roller 37 can roll along the bracket 11. A friction plate 4 is fixed to the bracket 11, and the friction plate 4 is arranged along the length direction of the bracket 11, and the roller 37 can roll along the friction plate 4.

[0020] In order to keep the rotating roller 34 in the carrying assembly 3 warm, insulation plates 5 are fixed on both sides of the bracket 11 in the conveying mechanism 1 .

[0021] Reference Figure 2 and Figure 4 Guide rails 6 are symmetrically fixed on both sides of the top of the bracket 11. The guide rails 6 are arranged above the first transmission rod 35. A bearing 7 is also fixed on the first transmission rod 35. The surface of the bearing 7 can contact the guide rail 6. In order to ensure the smooth operation of the bearing assembly 3, the second bearing seat 33 is also rotatably connected to the second transmission rod 8 symmetrically arranged with the first transmission rod 35. The second transmission rod 8 is also respectively fixed with a bearing 7 and a roller 37.

[0022] By providing a guide rail 6, the end of the guide rail 6 close to the feed port has an upwardly tilted guide portion. When the bearing assembly 3 enters from the feed port along with the conveyor belt 12, the bearings 7 on the first transmission rod 35 and the second transmission rod 8 can be pressed under the guide rail 6, thereby ensuring that the rollers 37 on both sides can roll along the friction plate 4, so that the second gear 36 can well drive the first gear 341 to rotate, thereby ensuring that the two rotating rollers 34 can rotate flexibly.

[0023] Reference Figure 4 In order to prevent the raw material rod from sliding out of the bearing assembly 3, a limiting plate 9 is fixed on the first bearing seat 32 and the second bearing seat 33.

[0024] The implementation principle of a raw material heating device for forging a cylinder piston rod in the embodiment of the present application is as follows:

[0025] The raw material rod is placed on the two rotating rollers 34 of the supporting assembly 3 at the feed inlet, and then the raw material rod enters the bottom of the heating mechanism 2 for heating. During this process, the residual heat on the rotating rollers 34 can be directly transferred to the raw material rod for preliminary preheating. At the same time, the roller 37 in the supporting assembly 3 will roll along the bracket 11, and the roller 37 drives the second gear 36 to rotate, and the second gear 36 drives the first gear 341 to rotate, thereby driving the two rotating rollers 34 to rotate. The rotating rollers 34 can drive the raw material rod to rotate, so that the raw material rod can be heated evenly, so as to improve the quality of subsequent piston rod forging.

[0026] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, principle and application direction of the present application should be included in the protection scope of the present application.

Claims

1. A raw material heating device for forging a cylinder piston rod, comprising a conveying mechanism (1) and a heating mechanism (2) arranged above the conveying mechanism (1), a conveying channel is formed between the heating mechanism (2) and the conveying mechanism (1), one end of the conveying channel is a material inlet, and the other end is a material outlet, the conveying mechanism (1) comprises a bracket (11) and a conveyor belt (12) installed on the bracket (11), characterized in that: A bearing assembly (3) for placing raw material bars is evenly fixed on the conveyor belt (12), and the bearing assembly (3) comprises a bearing plate (31), a first bearing seat (32), a second bearing seat (33) and two rotating rollers (34). The first bearing seat (32) and the second bearing seat (33) are symmetrically fixed on the bearing plate (31), and the two rotating rollers (34) are symmetrically connected to the first bearing seat (32) and the second bearing seat (33) in a side-by-side manner. One end of the rotating roller (34) extends out of the first bearing seat (32), and a first gear (341) is fixed to the end of the rotating roller (34). A first transmission rod (35) is rotatably connected to the first bearing seat (32), and a second gear (36) meshing with the first gear (341) is fixed to the first transmission rod (35). A roller (37) is fixed to the end of the first transmission rod (35), and the roller (37) can roll along the bracket (11).

2. The raw material heating device for forging a cylinder piston rod according to claim 1, characterized in that: Guide rails (6) are symmetrically fixed on both sides of the top of the bracket (11), and the guide rails (6) are arranged above the first transmission rod (35). A bearing (7) is also fixed on the first transmission rod (35), and the surface of the bearing (7) can contact the guide rails (6).

3. The raw material heating device for forging a cylinder piston rod according to claim 2, characterized in that: The second bearing seat (33) is also rotatably connected to a second transmission rod (8) symmetrically arranged with respect to the first transmission rod (35), and a bearing (7) and a roller (37) are also respectively fixed to the second transmission rod (8).

4. The raw material heating device for forging a cylinder piston rod according to claim 2, characterized in that: One end of the guide rail (6) close to the feed inlet is provided with an upwardly tilted guide portion.

5. The raw material heating device for forging a cylinder piston rod according to claim 1, characterized in that: A friction plate (4) is fixed on the bracket (11); the friction plate (4) is arranged along the length direction of the bracket (11), and the roller (37) can roll along the friction plate (4).

6. The raw material heating device for forging a cylinder piston rod according to any one of claims 1 to 5, characterized in that: A limiting plate (9) is fixed on both the first bearing seat (32) and the second bearing seat (33).