Rapid stress relief annealing device for cylinder barrel body of oil cylinder
By designing a rapid stress-relief annealing device for hydraulic cylinder bodies, and utilizing telescopic drive components and heating components to simultaneously heat the inner and outer walls of the cylinder body, the problem of low annealing efficiency in existing technologies is solved, achieving a highly efficient stress-relief annealing effect.
Patent Information
- Application Number
- CN202520335648.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The existing stress-relief annealing process for hydraulic cylinder barrels has low efficiency, which affects processing efficiency and product quality.
A rapid stress-relieving annealing device for hydraulic cylinder barrels is designed, employing a telescopic drive assembly and a heating assembly to simultaneously heat the inner and outer walls of the cylinder barrel through an annealing pot, through-holes, and a heat transfer groove.
This improved annealing efficiency, ensured uniform heating quality of the inner and outer walls of the cylinder, and greatly enhanced processing efficiency and product quality.
Smart Images

Figure CN223866718U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the stress relieving annealing technical field especially relates to a quick stress relieving annealing device of oil cylinder cylinder body. BACKGROUND
[0002] The oil cylinder cylinder is a key component in the hydraulic system for accommodating the piston and providing movement space, which is a part of the hydraulic cylinder, usually made of high-strength steel or other metal materials to withstand the high pressure generated in the hydraulic system. The working process of the oil cylinder is usually that the hydraulic oil enters the one side of the cylinder through the oil inlet, pushes the piston to move, thereby generating the required force and movement, according to different designs, the oil cylinder can have single-acting and double-acting two forms.
[0003] The oil cylinder cylinder is one of the very important parts in the automobile industry, and its commonly used specifications include 32mm, 40mm, 50mm, etc. Specifically, the oil cylinder with a cylinder diameter of 40mm can have a rod diameter of 20 / 22 / 25mm, and the oil cylinder with a cylinder diameter of 50mm can have a rod diameter of 25 / 28 / 32mm. When selecting the oil cylinder cylinder, the material needs to be considered, and the commonly used materials are 20, 35, and 45 seamless steel pipes. After honing or rolling, the roughness of these steel pipes can reach within 0.4μm to meet the needs of different oil cylinders.
[0004] The stress relieving annealing of the oil cylinder cylinder is an important process step in the manufacture of the hydraulic cylinder, the purpose of which is to release the internal stress of the metal material through heating, improve its mechanical properties and processing performance, and thereby improve the overall quality and service life of the oil cylinder cylinder.
[0005] The existing cylinder body of the oil cylinder cylinder has low efficiency and slow rate when performing stress relieving annealing processing, which affects the processing efficiency and product quality. To solve this problem, the present application provides a quick stress relieving annealing device for the oil cylinder cylinder body. UTILITY MODEL CONTENTS
[0006] The utility model aims to provide a quick stress relieving annealing device for the oil cylinder cylinder body to solve the problems in the above background technology.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of quick stress relieving annealing device of oil cylinder barrel body, including annealing pot, the bottom surface of the annealing pot is equipped with base frame, fixed frame is equipped between the one end of the base frame and annealing pot, annealing hole is opened in the end of the annealing pot away from fixed frame, load platform is equipped between the top surface of the base frame and annealing pot, the inside of the load platform is equipped with first heating cavity, the inside of the first heating cavity is equipped with first heating assembly, the one end of the base frame is equipped with vertical plate, the side of the vertical plate is equipped with telescopic drive component, the free end of the telescopic drive component is equipped with table plate, the inside of the table plate is equipped with second heating cavity, the inside of the second heating cavity is equipped with second heating assembly, the side wall of the table plate is equipped with through hole, and the through hole corresponds with annealing hole.
[0008] Preferably, the base frame is welded by channel steel, and a rectangular groove is formed around the middle part of the base frame.
[0009] Preferably, the inside of the annealing pot is provided with a heat transfer groove, the heat transfer groove divides the annealing hole into two parts, and the heat transfer groove is in communication with the first heating cavity.
[0010] Preferably, the through hole and the annealing hole correspond to each other and are each provided with a plurality of holes.
[0011] Preferably, the telescopic drive component is an electric telescopic rod, a pneumatic cylinder or a hydraulic cylinder.
[0012] Preferably, the first heating assembly and the second heating assembly are heating wires or heating rods.
[0013] The utility model at least has the following beneficial effects:
[0014] The utility model provides a kind of quick stress relieving annealing device of oil cylinder barrel body, can heat the side wall and inner wall of oil cylinder barrel body simultaneously, improve annealing efficiency, also guarantee the quality of annealing, greatly facilitate use. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model;
[0016] Figure 2 It is the annealing hole distribution schematic view of the utility model;
[0017] Figure 3 It is the inside structure schematic view of the utility model.
[0018] In the figure mark: 1, annealing pot; 2, base frame; 3, rectangular groove; 4, fixed frame; 5, load platform; 6, vertical plate; 7, telescopic drive component; 8, table plate; 9, annealing hole; 10, first heating cavity; 11, first heating assembly; 12, heat transfer groove; 13, second heating cavity; 14, second heating assembly; 15, through hole. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.
[0020] EMBODIMENT
[0021] Please refer to Figure 1 、 Figure 2 and Figure 3 , the utility model provides a kind of technical scheme: a kind of quick stress relieving annealing device of oil cylinder barrel body, including annealing pot 1, the bottom surface of annealing pot 1 is equipped with base frame 2, fixed frame 4 is equipped between one end of base frame 2 and annealing pot 1, specifically, fixed frame 4 and base frame 2, annealing pot 1 are all fixed connection, annealing pot 1 is equipped with annealing hole 9 in the end away from fixed frame 4, the top surface of base frame 2 is equipped with loading platform 5 between annealing pot 1, specifically, loading platform 5 and base frame 2 and annealing pot 1 are all fixed connection, the inside of loading platform 5 is equipped with first heating cavity 10, the inside of first heating cavity 10 is equipped with first heating assembly 11, one end of base frame 2 is equipped with vertical plate 6, specifically, vertical plate 6 and base frame 2 are fixedly connected, one side of vertical plate 6 is equipped with telescopic drive assembly 7, the free end of telescopic drive assembly 7 is equipped with table plate 8, specifically, telescopic drive assembly 7 and vertical plate 6 and table plate 8 are all fixed connection, and drive table plate 8, the inside of table plate 8 is equipped with second heating cavity 13, the inside of second heating cavity 13 is equipped with second heating assembly 14, the side wall of table plate 8 is equipped with through hole 15, and through hole 15 corresponds with annealing hole 9.
[0022] In the embodiment, the oil cylinder barrel body that needs to be stress relieving annealing is inserted into annealing hole 9, telescopic drive assembly 7 is started to stretch, drives table plate 8 to seal annealing hole 9, at this time, through hole 15 is communicated with annealing hole 9, first heating assembly 11 is started to heat annealing pot 1, and then the outer wall of oil cylinder barrel body is heated, second heating assembly 14 is started to heat, and heat is transferred to annealing hole 9 and oil cylinder barrel body through through hole 15, and the inner wall of oil cylinder barrel body is heated, so that the outer wall and the inner wall of oil cylinder barrel body are heated simultaneously, and the annealing efficiency is improved.
[0023] Further, base frame 2 is welded by channel steel, and the middle part of base frame 2 surrounds rectangular groove 3.
[0024] In the embodiment, the rectangular groove 3 is arranged, and the bottom is convenient for heat dissipation.
[0025] Further, the inside of the annealing pot 1 is provided with a heat transfer groove 12, the heat transfer groove 12 divides the annealing hole 9 into two parts, and the heat transfer groove 12 is communicated with the first heating cavity 10.
[0026] In the embodiment, through the heat transfer groove 12, the heat in the first heating cavity 10 can be quickly transferred to the outer wall of the cylinder barrel, thereby improving the annealing efficiency.
[0027] Further, the through hole 15 and the annealing hole 9 correspond to each other and are each provided with a plurality of through holes.
[0028] In the embodiment, the plurality of through holes 15 and the plurality of annealing holes 9 are provided, thereby facilitating batch operation.
[0029] Further, the telescopic driving assembly 7 is an electric telescopic rod, a pneumatic cylinder or a hydraulic cylinder.
[0030] In the embodiment, the telescopic driving assembly 7 can select corresponding equipment according to requirements.
[0031] Further, the first heating assembly 11 and the second heating assembly 14 are heating wires or heating rods.
[0032] In the embodiment, corresponding heating equipment is selected according to requirements.
[0033] Working principle and use process of the utility model: after the utility model is installed, work is performed according to the above embodiment until all work steps are completed.
[0034] The basic principle, main features and advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model, therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure mark in the claims should not be regarded as limiting the involved claims.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A rapid stress-relieving annealing device for hydraulic cylinder barrels, characterized in that, The annealing vessel includes an annealing tank (1), a base frame (2) on the bottom surface of the annealing tank (1), a fixing frame (4) between one end of the base frame (2) and the annealing tank (1), an annealing hole (9) on the end of the annealing tank (1) away from the fixing frame (4), a platform (5) between the top surface of the base frame (2) and the annealing tank (1), a first heating chamber (10) inside the platform (5), and a first heating assembly inside the first heating chamber (10). 11) One end of the base frame (2) is provided with a vertical plate (6), and one side of the vertical plate (6) is provided with a telescopic drive assembly (7). The free end of the telescopic drive assembly (7) is provided with a platform (8). The platform (8) is provided with a second heating chamber (13). The second heating chamber (13) is provided with a second heating assembly (14). The side wall of the platform (8) is provided with a through hole (15). The through hole (15) corresponds to the annealing hole (9).
2. The rapid stress-relieving annealing device for a hydraulic cylinder barrel according to claim 1, characterized in that: The base frame (2) is welded from channel steel, and a rectangular groove (3) is formed in the middle of the base frame (2).
3. The rapid stress-relieving annealing device for a hydraulic cylinder barrel according to claim 1, characterized in that: The annealing tank (1) has a heat transfer groove (12) inside, which divides the annealing hole (9) into two parts, and the heat transfer groove (12) is connected to the first heating chamber (10).
4. The rapid stress-relieving annealing device for a hydraulic cylinder barrel according to claim 1, characterized in that: The through holes (15) and annealing holes (9) correspond to each other, and each is provided with several holes.
5. The rapid stress-relieving annealing device for a hydraulic cylinder barrel according to claim 1, characterized in that: The telescopic drive assembly (7) is an electric telescopic rod, a pneumatic cylinder, or a hydraulic cylinder.
6. The rapid stress-relieving annealing device for a hydraulic cylinder barrel according to claim 1, characterized in that: The first heating component (11) and the second heating component (14) are heating wires or heating rods.