Quenching device for improving bending resistance of piston rod
By introducing a clamping structure of clamping plates and threaded rods into the quenching device, as well as the design of a filter screen and a slider, the problems of workpiece deformation and residue cleaning during the cooling process of the quenching device are solved, achieving stable clamping of the workpiece and convenient cleaning of residue.
Patent Information
- Application Number
- CN202520040533.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Quenching devices designed to improve the bending resistance of piston rods are prone to workpiece deformation during cooling, and the residue is difficult to clean.
A quenching device including clamping plates, connecting blocks, threaded rods, and other components was designed. The workpiece is clamped by the rotation of the threaded rod to prevent deformation, and the residue is filtered and cleaned by components such as filter screens and sliders.
It effectively avoids workpiece deformation during cooling and facilitates residue removal, thus improving the reliability and cleanliness of the device.
Smart Images

Figure CN223951076U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to quenching device technical field, concretely to a quenching device that improves the bending resistance of piston rod. BACKGROUND
[0002] Piston rod quenching device is a kind of equipment specially used for the surface quenching treatment of piston rod, and is widely used in the fields of engineering machinery, hydraulic system and automobile manufacturing etc.The device rapidly heats the surface of piston rod by induction heating or high-frequency heating technology, and then rapidly cools it by using spraying or soaking cooling system, so as to realize the hardening treatment of the surface.According to the utility model disclosed in patent authorized announcement No.CN218860791U, a piston rod quenching device includes a bottom plate, a quenching tank is fixedly connected to the middle of the upper surface of the bottom plate, a lifting clamping assembly is installed on the side of the upper surface of the bottom plate close to the quenching tank, a clamping plate is installed on the lifting clamping assembly, an oil storage tank and a water storage tank are respectively fixedly connected to the other side surface of the quenching tank, and a cooling assembly is installed on the oil storage tank and the water storage tank.
[0003] However, the quenching device for improving the bending resistance of piston rod is prone to cause the deformation of workpiece during cooling, and the residues of workpiece are easily mixed into cooling oil during cooling of the quenching device for improving the bending resistance of piston rod, which is inconvenient to clean. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of quenching devices for improving the bending resistance of piston rod, solve the quenching device for improving the bending resistance of piston rod in use It is prone to cause the deformation of workpiece during cooling, and the residues of workpiece are easily mixed into cooling oil during cooling of the quenching device for improving the bending resistance of piston rod, which is inconvenient to clean.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of quenching device for improving the bending resistance of piston rod, including base, the inside sliding connection of the base is filter screen, the upper end of the filter screen is fixedly connected with connecting plate, the inside sliding connection of the connecting plate is sliding block, the lower end of the sliding block is fixedly connected with clamping block, the inside of the base is equipped with clamping groove, the side of sliding block mutually close is all fixedly connected with slide rod, the slide rod is slidably connected with connecting plate, the inside of the connecting plate is provided with spring, straightening mechanism is provided on the filter screen.
[0006] Preferably, the clamping block is in contact with the connecting plate, and the clamping block is slidably connected with the clamping groove. Through the design of the clamping block, the connecting plate can be limited.
[0007] Preferably, the inside of the connecting plate is fixedly connected with a limiting ring, and the limiting ring is slidably connected with the slide rod. Through the design of the limiting ring, the slide rod can be limited.
[0008] Preferably, one end of the spring is in contact with the connecting plate, and the other end of the spring is in contact with the sliding block.
[0009] Preferably, the upper end of the sliding block is fixedly connected with a push plate, and the push plate is in contact with the connecting plate.
[0010] Preferably, the straightening mechanism comprises clamping plates, the inside of the filter screen is slidably connected with the clamping plates, the upper end of the clamping plate is fixedly connected with a connecting block, the upper end of the filter screen is fixedly connected with a fixed frame, the inside of the fixed frame is rotatably connected with a threaded rod, the outer side of the threaded rod is provided with a right and left screw thread, the threaded rod is connected with the connecting block through a thread, the front of the threaded rod is fixedly connected with a knob, the knob is in contact with the fixed frame, the upper end of the filter screen is fixedly connected with a guide frame, and the guide frame is slidably connected with the connecting block.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、Through the clamping plate, the connecting block and the threaded rod, the threaded rod is rotated to make the threaded rod and the connecting block move in a thread, so that the clamping plate clamps the workpiece, the phenomenon that the workpiece is deformed during cooling is avoided, and the problem that the quenching device for improving the bending resistance of the piston rod is prone to causing the workpiece to be deformed during cooling is solved.
[0013] 2、The filter screen is arranged, the residues of the workpiece can be filtered, the sliding block, the clamping block and the spring are arranged, the sliding block is moved to drive the clamping block to be no longer clamped with the base, the clamping of the filter screen is released, and the filter screen can be disassembled and cleaned. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure perspective drawing of the utility model;
[0015] Figure 2 It is a whole structure perspective drawing of the utility model; Figure 1 It is a partial structure perspective drawing of the utility model;
[0016] Figure 3 It is a side view sectional view of the utility model; Figure 1 It is a side view sectional view of the utility model;
[0017] Figure 4 It is a side view sectional view of the utility model;Figure 3 A part structure of the A part in the figure.
[0018] In the figure: 1, base; 2, filter screen; 3, connecting plate; 31, sliding block; 32, clamping block; 33, clamping groove; 34, sliding rod; 35, limiting ring; 36, spring; 37, push plate; 4, straightening mechanism; 41, clamping plate; 42, connecting block; 43, fixing frame; 44, threaded rod; 45, knob; 46, guide frame. 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 the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figures 1-4 A quenching device for improving the bending resistance of a piston rod, comprising a base 1, a filter screen 2 is slidably connected in the base 1, a connecting plate 3 is fixedly connected to the upper end of the filter screen 2, sliding blocks 31 are slidably connected in the connecting plate 3, clamping blocks 32 are fixedly connected to the lower end of the sliding blocks 31, clamping grooves 33 are formed in the base 1, the clamping blocks 32 are in contact with the connecting plate 3, and the clamping blocks 32 are slidably connected with the clamping grooves 33. Through the design of the clamping blocks 32, the connecting plate 3 can be limited, the sliding rods 34 are fixedly connected to the sides of the sliding blocks 31 close to each other, and the sliding rods 34 are slidably connected with the connecting plate 3.
[0021] Please refer to Figures 2-4 The limiting rings 35 are fixedly connected in the connecting plate 3, the limiting rings 35 are slidably connected with the sliding rods 34, through the design of the limiting rings 35, the sliding rods 34 can be limited, the springs 36 are arranged in the connecting plate 3, one end of the springs 36 is in contact with the connecting plate 3, the other end of the springs 36 is in contact with the sliding blocks 31, through the design of the springs 36, the clamping blocks 32 can be limited to the filter screen 2, the push plates 37 are fixedly connected to the upper end of the sliding blocks 31, the push plates 37 are in contact with the connecting plate 3, through the design of the push plates 37, the clamping blocks 32 can be conveniently moved, and the filter screen 2 is provided with the straightening mechanism 4.
[0022] Please refer to Figures 2-4The straightening mechanism 4 comprises clamping plates 41, the clamping plates 41 are slidably connected to the inside of the filter screen 2, upper ends of the clamping plates 41 are fixedly connected with connecting blocks 42, an upper end of the filter screen 2 is fixedly connected with a fixed frame 43, the fixed frame 43 is rotatably connected with a threaded rod 44 in the inside, the threaded rod 44 is provided with a right and left thread on the outside, the threaded rod 44 is connected with the connecting block 42 through the thread, a front surface of the threaded rod 44 is fixedly connected with a knob 45, the knob 45 is in contact with the fixed frame 43, an upper end of the filter screen 2 is fixedly connected with a guide frame 46, the guide frame 46 is slidably connected with the connecting block 42, the workpiece is placed in the filter screen 2 and is located between the two clamping plates 41, then the knob 45 is rotated to drive the threaded rod 44 to rotate, the threaded rod 44 is threadedly moved with the connecting block 42, so that the connecting block 42 moves on the threaded rod 44, the connecting block 42 drives the clamping plate 41 to move, the clamping plate 41 clamps the workpiece, and deformation of the workpiece during cooling is avoided.
[0023] The specific implementation process of the utility model is as follows: when in use, the workpiece is placed in the filter screen 2 and is located between the two clamping plates 41, then the knob 45 is rotated to drive the threaded rod 44 to rotate, the threaded rod 44 is threadedly moved with the connecting block 42, so that the connecting block 42 moves on the threaded rod 44, the connecting block 42 drives the clamping plate 41 to move, the clamping plate 41 clamps the workpiece, and deformation of the workpiece during cooling is avoided.
[0024] The two push plates 37 are moved towards each other, the push plate 37 drives the sliding block 31 to move, the sliding block 31 drives the sliding rod 34 to slide in the limiting ring 35, the sliding rod 34 extrudes the spring 36, the sliding block 31 drives the clamping block 32 to move, the clamping block 32 is no longer clamped with the base 1, the limiting of the filter screen 2 is released, and the filter screen 2 can be disassembled and cleaned.
[0025] 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 modifications can be made to these 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 quenching device for increasing the bending resistance of a piston rod, comprising a base (1), characterized in that: The inside of the base (1) is slidably connected with a filter screen (2), the upper end of the filter screen (2) is fixedly connected with a connecting plate (3), the inside of the connecting plate (3) is slidably connected with a sliding block (31), the lower end of the sliding block (31) is fixedly connected with a clamping block (32), the inside of the base (1) is provided with a clamping groove (33), the side of the sliding block (31) close to each other is fixedly connected with a sliding rod (34), the sliding rod (34) is slidably connected with the connecting plate (3), the inside of the connecting plate (3) is provided with a spring (36), the filter screen (2) is provided with a straightening mechanism (4).
2. The quenching device for improving the bending resistance of a piston rod according to claim 1, characterized in that: The clamping block (32) is in contact with the connecting plate (3), and the clamping block (32) is slidably connected with the clamping groove (33).
3. The quenching device for improving the bending resistance of a piston rod according to claim 1, characterized in that: The inside of the connecting plate (3) is fixedly connected with a limiting ring (35), and the limiting ring (35) is slidably connected with the sliding rod (34).
4. The quenching device for improving the bending resistance of a piston rod according to claim 1, characterized in that: One end of the spring (36) is in contact with the connecting plate (3), and the other end of the spring (36) is in contact with the sliding block (31).
5. The quenching device for improving the bending resistance of a piston rod according to claim 1, characterized in that: The upper end of the sliding block (31) is fixedly connected with a push plate (37), and the push plate (37) is in contact with the connecting plate (3).
6. The quenching device for improving the bending resistance of a piston rod according to claim 1, characterized in that: The straightening mechanism (4) comprises a clamping plate (41), the inside of the filter screen (2) is slidably connected with the clamping plate (41), the upper end of the clamping plate (41) is fixedly connected with a connecting block (42), the upper end of the filter screen (2) is fixedly connected with a fixed frame (43), the inside of the fixed frame (43) is rotatably connected with a threaded rod (44), the outer side of the threaded rod (44) is provided with a positive and negative thread, the threaded rod (44) is connected with the connecting block (42) through a thread, the front surface of the threaded rod (44) is fixedly connected with a knob (45), the knob (45) is in contact with the fixed frame (43), the upper end of the filter screen (2) is fixedly connected with a guide frame (46), and the guide frame (46) is slidably connected with the connecting block (42).
Citation Information
Patent Citations
A piston rod quenching device
CN218860791U