Quick pressure relief structure for oil press
By designing a rapid pressure relief component and an oil return component in the hydraulic press, automatic pressure relief of the hydraulic press is realized, which solves the problem of human intervention required in the existing technology, improves safety and efficiency, and reduces media waste and equipment costs.
Patent Information
- Application Number
- CN202423254345.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-28
AI Technical Summary
The existing hydraulic presses require manual intervention for pressure relief, which makes it impossible to release pressure quickly under overload conditions, posing a risk of cylinder explosion.
A structure including a rapid pressure relief component and an oil return component was designed. It automatically detects overload and triggers pressure relief, and realizes automatic pressure relief by using a sliding chamber and pressure relief pipe. Combined with an alarm light, it avoids human intervention.
It enables rapid and automatic pressure relief of the hydraulic press, avoids cylinder explosion accidents, reduces media waste and saves equipment costs, and improves operational safety and efficiency.
Smart Images
Figure CN223686071U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil press technical field especially relates to a quick pressure relief structure for oil press. BACKGROUND
[0002] Oil press is a kind of work medium using special hydraulic oil, through hydraulic pump as power source, the force of smaller conversion is bigger, to realize the stamping, orthopaedic and bending processing of workpiece to the machinery;
[0003] The working principle of oil press is in a closed hydraulic system, by the incompressibility of liquid, the mechanical energy of motor or other prime mover is converted into the pressure energy of liquid by hydraulic pump, then high-pressure hydraulic oil enters hydraulic cylinder or hydraulic motor through pipeline. Under the action of hydraulic oil, hydraulic cylinder or hydraulic motor converts the pressure energy of liquid into mechanical energy, drives the corresponding action of working mechanism, in order to prevent the overloading cylinder explosion in the working process of oil press, there will be pressure relief valve with it in the working environment of oil press;
[0004] The existing pressure relief valve is divided into two kinds of manual pressure relief valve and electromagnetic valve, but no matter which pressure relief mode needs artificial intervention to realize pressure relief, which leads to the problem that the oil press cannot be quickly pressure relieved in the first time when overloaded, and there is still the danger of overloading cylinder explosion, therefore, a quick pressure relief structure for oil press is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a quick pressure relief structure for oil press, which aims at improving the problem that the existing pressure relief mode in prior art needs artificial intervention to realize pressure relief, which leads to the problem that the oil press cannot be quickly pressure relieved in the first time when overloaded.
[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a quick pressure relief structure for oil press, including rack, the bottom of rack is fixedly connected with base, the top surface of base is fixedly connected with work platform, the inside of base is provided with oil return assembly, the right side of base is provided with quick pressure relief assembly, the quick pressure relief assembly includes pressure relief pipe fixedly connected on one side of base, one end of pressure relief pipe away from base is fixedly connected with trigger pipe, the inside of trigger pipe is provided with sliding cavity, one end of trigger pipe is provided with blocking block, one end of blocking block is fixedly connected with telescopic rod, the other end of telescopic rod is fixedly connected with sealing pad, the surface of telescopic rod is sleeved with spring;
[0007] As a further description of the above technical solution: the oil return assembly includes a first oil return pipe fixedly communicated at the top surface of the trigger pipe, the other end of the trigger pipe is fixedly communicated with a second oil return pipe, the inside of the base is provided with an oil return cavity, and the inside of the trigger pipe is provided with a connecting cavity;
[0008] As a further description of the above technical solution: the top of the rack is fixedly connected with an oil press body, and the surface of the working platform is provided with an operation module;
[0009] As a further description of the above technical solution: one side of the operation module is provided with a pressure gauge, and the top surface of the working platform is fixedly connected with a warning light;
[0010] As a further description of the above technical solution: the one end of the pressure relief pipe close to the base is fixedly communicated with the inside of the oil return cavity, and the blocking block is slidingly connected in the inside of the sliding cavity;
[0011] As a further description of the above technical solution: the telescopic rod is located in the inside of the sliding cavity, and the sealing gasket is slidingly connected in the inside of the sliding cavity;
[0012] As a further description of the above technical solution: the spring is fixedly connected between the sealing gasket and the side wall of the blocking block, and the pressure relief pipe is fixedly communicated with the inside of the sliding cavity;
[0013] As a further description of the above technical solution: one end of the first oil return pipe and the second oil return pipe is fixedly communicated with the inside of the oil press body, and the other end of the first oil return pipe and the second oil return pipe is communicated with each other through the connecting cavity.
[0014] The utility model has the advantages of the following beneficial effects:
[0015] 1、The utility model discloses a quick pressure relief structure for an oil press, which can avoid the overloading and cylinder explosion of the oil press body, realize automatic pressure relief without the operation of the staff, and make the warning light flash to alarm and remind the staff to stop the machine for processing, thereby improving the pressure relief speed and increasing the practicability of the device.
[0016] 2、The utility model discloses a quick pressure relief structure for an oil press, which can make the pressure medium flow into the inside of the oil return cavity through the sliding cavity and the pressure relief pipe when the device is overloaded, collect the pressure medium through the oil return cavity, avoid the waste of the pressure medium, and facilitate the recycling of the pressure medium, thereby indirectly saving the equipment cost. DRAWINGS
[0017] Figure 1 A three-dimensional schematic view of a quick pressure relief structure for an oil press is provided.
[0018] Figure 2 A structure diagram of a trigger pipe of a quick pressure relief structure for an oil press is provided in the utility model;
[0019] Figure 3 A structure diagram of a quick pressure relief assembly of a quick pressure relief structure for an oil press is provided in the utility model.
[0020] Legend:
[0021] 1, rack; 2, oil press body; 3, base; 4, work platform; 5, operation module; 6, pressure gauge; 7, warning light; 8, oil return assembly; 81, first oil return pipe; 82, second oil return pipe; 83, oil return cavity; 84, connecting cavity; 9, quick pressure relief assembly; 91, pressure relief pipe; 92, trigger pipe; 93, sliding cavity; 94, blocking block; 95, telescopic rod; 96, sealing gasket; 97, spring. Specific implementation
[0022] The technical solutions in the embodiments of the utility model will be clearly 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 labor fall within the protection scope of the utility model.
[0023] Reference Figure 1 - Figure 3 An embodiment provided by the utility model: a quick pressure relief structure for an oil press, comprising a rack 1, the bottom of the rack 1 is fixedly connected with a base 3, the base 3 is used for placing an oil return cavity 83, the top surface of the base 3 is fixedly connected with a work platform 4, the top of the rack 1 is fixedly connected with an oil press body 2, the oil press body 2 is a kind of machinery using special hydraulic oil as working medium, by hydraulic pump as power source, it is converted into larger force from smaller force, so as to realize the stamping, orthopaedic, bending and other processing of workpiece, the surface of the work platform 4 is provided with operation module 5, operation module 5 is used for the working state of oil press body 2, one side of operation module 5 is provided with pressure gauge 6, pressure gauge 6 is used to display the pressure value inside oil press body 2, the top surface of the work platform 4 is fixedly connected with warning light 7, warning light 7 is used for pressure value upper limit alarm and misoperation alarm;
[0024] The inside of the base 3 is provided with an oil return assembly 8, and the right side of the base 3 is provided with a quick pressure relief assembly 9. The quick pressure relief assembly 9 comprises a pressure relief pipe 91 fixedly connected to one side of the base 3 and used for emergency pressure relief. The pressure relief pipe 91 is fixedly connected to a trigger pipe 92 away from the base 3. The trigger pipe 92 is internally provided with a sliding cavity 93. The trigger pipe 92 is provided with a blocking block 94 at one end. The blocking block 94 is fixedly connected to an extension rod 95 at one end. The other end of the extension rod 95 is fixedly connected to a sealing gasket 96. The surface of the extension rod 95 is sleeved with a spring 97. The end of the pressure relief pipe 91 close to the base 3 is fixedly connected to the inside of the oil return cavity 83. The blocking block 94 is slidingly connected to the inside of the sliding cavity 93. The extension rod 95 is located in the inside of the sliding cavity 93. The sealing gasket 96 is slidingly connected to the inside of the sliding cavity 93. The spring 97 is fixedly connected between the sealing gasket 96 and the side wall of the blocking block 94. The pressure relief pipe 91 is fixedly connected to the inside of the sliding cavity 93. The quick pressure relief assembly 9 is arranged to avoid the overloading cylinder explosion accident of the oil press body 2. At the same time, the automatic pressure relief effect can be realized without the operation of the staff. The warning light 7 will also flash to alarm and remind the staff to stop processing, thereby improving the pressure relief speed and increasing the practicability of the device.
[0025] Referring to Figure 1 - Figure 3 The oil return assembly 8 comprises a first oil return pipe 81 fixedly connected to the top surface of the trigger pipe 92. The other end of the trigger pipe 92 is fixedly connected to a second oil return pipe 82. The inside of the base 3 is provided with an oil return cavity 83. The inside of the trigger pipe 92 is provided with a connecting cavity 84. One end of the first oil return pipe 81 and the second oil return pipe 82 is fixedly connected to the inside of the oil press body 2. The other end of the first oil return pipe 81 and the second oil return pipe 82 is connected to each other through the connecting cavity 84. The oil return assembly 8 is arranged to make the device collect the pressure medium in the oil return cavity 83 through the sliding cavity 93 and the pressure relief pipe 91 when the pressure is overloaded. The pressure medium is collected through the oil return cavity 83 to avoid the waste of the pressure medium and facilitate the recycling of the pressure medium, thereby indirectly saving the equipment cost.
[0026] Working principle: when the oil pressure machine body 2 exceeds its maximum load capacity in work, overload phenomenon occurs, when the overload phenomenon occurs, the pressure gauge 6 shows the pressure value inside the oil pressure machine body 2, then the warning light 7 flashes alarm, at this time, because the pressure inside the oil pressure machine body 2 is transmitted through the first return oil pipe 81 and the second return oil pipe 82, and the first return oil pipe 81 and the second return oil pipe 82 are communicated with each other through the connecting cavity 84, so the pressure inside the connecting cavity 84 is larger, because the connecting cavity 84 is communicated with the sliding cavity 93, at this time, because of the overload pressure, the sealing gasket 96 moves to the direction of the blocking block 94, at this time, the blocking block 94 moves to one end of the trigger pipe 92 under the action of the telescopic rod 95, so as to reduce the impact force generated by the overload pressure, realize the buffering effect, at the same time, after the blocking block 94 abuts with one end of the trigger pipe 92, the telescopic rod 95 contracts, the spring 97 on the surface of the telescopic rod 95 contracts, further increase the buffering effect, then under the action of the overload pressure, the sealing gasket 96 moves to the direction of the blocking block 94, so that the opening of the pressure relief pipe 91 is exposed, at this time, the pressure medium flows into the inside of the return oil cavity 83 through the sliding cavity 93 and the pressure relief pipe 91, avoids the accident of the oil pressure machine body 2 overloading and cylinder explosion, at the same time, without the need of the operator to operate, the automatic pressure relief effect can be realized, the warning light 7 also flashes alarm, reminds the operator to stop processing, so as to improve the pressure relief speed, increase the practicability of the device, in addition, through the setting of the return oil assembly 8, when the pressure of the device is overloaded, the pressure medium flows into the inside of the return oil cavity 83 through the sliding cavity 93 and the pressure relief pipe 91, the pressure medium is collected through the return oil cavity 83, avoids the waste of the pressure medium, also facilitates the recycling of the pressure medium, so as to indirectly save the equipment cost.
[0027] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A quick pressure relief structure for a hydraulic press comprising a frame (1), characterized in that: The bottom of the rack (1) is fixedly connected with a base (3), the top surface of the base (3) is fixedly connected with a working platform (4), the inside of the base (3) is provided with an oil return assembly (8), and the right side of the base (3) is provided with a quick pressure relief assembly (9). The quick pressure relief assembly (9) comprises a pressure relief pipe (91) fixedly connected to one side of the base (3), one end of the pressure relief pipe (91) away from the base (3) is fixedly communicated with a trigger pipe (92), the inside of the trigger pipe (92) is provided with a sliding cavity (93), one end of the trigger pipe (92) is provided with a blocking block (94), one end of the blocking block (94) is fixedly connected with an extension rod (95), the other end of the extension rod (95) is fixedly connected with a sealing gasket (96), and the surface of the extension rod (95) is sleeved with a spring (97).
2. The quick pressure relief structure for an oil hydraulic press according to claim 1, wherein: The oil return assembly (8) comprises a first oil return pipe (81) fixedly communicated with the top surface of the trigger pipe (92), the other end of the trigger pipe (92) is fixedly communicated with a second oil return pipe (82), the inside of the base (3) is provided with an oil return cavity (83), and the inside of the trigger pipe (92) is provided with a connecting cavity (84).
3. The quick pressure relief structure for an oil hydraulic press according to claim 2, wherein: The top of the rack (1) is fixedly connected with an oil press body (2), and the surface of the working platform (4) is provided with an operation module (5).
4. The quick pressure relief structure for the oil hydraulic press according to claim 3, wherein: One side of the operation module (5) is provided with a pressure gauge (6), and the top surface of the working platform (4) is fixedly connected with a warning light (7).
5. The quick pressure relief structure for an oil hydraulic press according to claim 2, wherein: One end of the pressure relief pipe (91) close to the base (3) is fixedly communicated with the inside of the oil return cavity (83), and the blocking block (94) is slidingly connected in the inside of the sliding cavity (93).
6. The quick pressure relief structure for an oil hydraulic press according to claim 1, wherein: The extension rod (95) is located in the inside of the sliding cavity (93), and the sealing gasket (96) is slidingly connected in the inside of the sliding cavity (93).
7. The quick pressure relief structure for an oil hydraulic press according to claim 1, wherein: The spring (97) is fixedly connected between the sealing gasket (96) and the side wall of the blocking block (94), and the pressure relief pipe (91) is fixedly communicated with the inside of the sliding cavity (93).
8. The quick pressure relief structure for an oil hydraulic press according to claim 3, wherein: One end of the first oil return pipe (81) and the second oil return pipe (82) is fixedly communicated with the inside of the oil press body (2), and the other end of the first oil return pipe (81) and the second oil return pipe (82) is communicated with each other through the connecting cavity (84).