Hydraulic machine tool with protection mechanism
By designing a combination of lifting cover plate, electric push rod, pressure sensor and transparent plate on the hydraulic machine tool, the safety accident caused by the workpiece operation when the stroke is not over, and the safe start of the equipment and the controllability of the workpiece stamping process is achieved.
Patent Information
- Application Number
- CN202420583312.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-03-25
AI Technical Summary
Workers take and place the workpiece before the hydraulic machine tool stroke is over, resulting in an increased risk of safety accidents and cannot ensure that the equipment can be started for workpiece stamping after the operation is completed.
A hydraulic machine tool with a protective mechanism is designed, using a combination of lifting cover plate, electric push rod, pressure sensor and transparent plate. The lifting and lowering of the lifting cover plate is controlled through the electric push rod. The pressure sensor senses the status of the lifting cover plate and sends a signal to the control panel to ensure that the equipment is started under safe conditions and performs workpiece stamping processing.
It effectively prevents workers from entering the machine tool area before the stroke is over, reduces the risk of safety accidents, and ensures the safety and controllability of the workpiece stamping process through the cooperation of pressure sensors and transparent plates.
Smart Images

Figure CN222790299U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic machine tools, in particular to a hydraulic machine tool with a protection mechanism. Background Art
[0002] Hydraulic machine tools are machine tools that use the principle of pressure transmission to generate power through the flow of liquid to achieve processing and forming purposes. They are widely used in modern industry. When hydraulic machine tools process workpieces, if workers do not operate in accordance with regulations, safety accidents are very likely to occur. Therefore, technicians have developed hydraulic machine tools with protective mechanisms.
[0003] As disclosed in the utility model with authorization announcement number CN209223700U, a CNC machine tool with a safety protection mechanism comprises a workbench, a protective shell is fixedly provided on the side of the top of the workbench, a fixed plate is fixedly provided on the top of the inside of the protective shell, a second hinged seat is fixedly provided on one side of the fixed plate, a hydraulic cylinder is fixedly provided on one side of the third hinged seat, grooves are provided on the shell walls on three sides of the protective shell, an electromagnet is fixedly provided inside the groove, a fixing rod fixedly connected to the protective shell is provided on both sides of the electromagnet, and an electric slide rail fixedly connected to the protective shell is provided on one side of the fixing rod. The utility model is a CNC machine tool with a safety protection mechanism. By setting a protective shell, iron filings can be prevented from flying out and the CNC machine tool can be protected from damage. By setting an electromagnet, it is convenient to absorb the flying iron filings. By setting an electric slide rail, it is convenient to drive the brush to move, clean the surface of the electromagnet, and make the iron filings fall into the inside of the receiving trough. However, during the application of this technical solution, workers will pick up and place workpieces before the machine tool stroke is completed, which is very likely to cause major safety accidents. There is a technical problem that the equipment cannot be started for workpiece stamping processing until the operator has completed the operation of picking up and placing the workpiece. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a hydraulic machine tool with a protective mechanism, which can solve the problem that workers may take and place workpieces before the machine tool stroke is completed, which is very likely to cause major safety accidents, and there is a technical problem that the equipment cannot be started for workpiece stamping processing only after the operator has completed the operation of taking and placing the workpiece.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a hydraulic machine tool with a protective mechanism, comprising a table body, a control console is arranged on one side of the top of the front end of the table body, a fixed mold is arranged at the middle position of the top of the table body, guide columns are arranged at both ends of both sides of the top of the table body, a top plate is arranged between the tops of the guide columns, a lifting mold base is arranged between the outsides of the guide columns, a movable mold is arranged at the middle position of the bottom end of the lifting mold base, a hydraulic cylinder is passed through the middle position of the top of the top plate, a lifting cover plate is arranged at the front end of the top plate, a transparent plate is arranged at the front end of the inner side of the lifting cover plate, electric push rods are passed through both sides of the front end of the top of the top plate, pressure sensors are arranged on both sides of the front end of the top of the table body, and a protective component is arranged at the edge of the bottom end of the top plate.
[0006] As a preferred technical solution of the utility model, the electric push rods are symmetrically arranged on the top of the top plate, and the bottom ends of the electric push rods are fixedly connected to the bottom end of the inner side of the lifting cover plate.
[0007] As a preferred technical solution of the utility model, the lifting cover plate is in an "L" shape, and the pressure sensors are symmetrically arranged at the front end of the top of the platform.
[0008] As a preferred technical solution of the utility model, the bottom end of the hydraulic cylinder is fixedly connected to the middle position of the top end of the lifting mold base, and the lifting mold base can be lifted and slid between the outside of the guide pillars.
[0009] As a preferred technical solution of the utility model, the protective assembly includes a protective plate, which is arranged at the edge of the bottom end of the top plate, and mounting card plates are arranged on both sides of the top end of the protective plate, and limiting card grooves are arranged on both sides of the bottom end of the top plate.
[0010] As a preferred technical solution of the utility model, the protective plate is in a "U" shape, and the mounting card plate is inserted into the interior of the limited card slot.
[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0012] 1. The lifting cover plate, electric push rod, pressure sensor and transparent plate are provided. When in use, the lifting cover plate is driven up and down by the electric push rod. When punching workpieces, the lifting cover plate can be lowered to cover the front end of the machine tool to prevent workers from entering by mistake and causing safety accidents. At the same time, the lifting cover plate can be lifted when picking up and placing workpieces to facilitate the picking and placing of workpieces. The lifting state of the lifting cover plate is sensed by the pressure sensor. After the pressure sensor senses the pressure of the lifting cover plate falling, it sends an electrical signal to the control console to start the equipment. The transparent plate is convenient for technical workers to monitor the punching process of the workpiece, ensuring the safety of the hydraulic machine tool when punching workpieces;
[0013] 2. By arranging a protective component at the edge of the bottom end of the top plate, the "U"-shaped protective plate cover is connected to the rear end and both sides of the machine tool when in use, and the mounting card is inserted into the interior of the limited card slot, so as to achieve the purpose of stabilizing the protective plate, thereby achieving the effect of safety protection of the rear end and both sides of the hydraulic machine tool, further improving the safety of the hydraulic machine tool, greatly reducing the probability of safety accidents, and having strong feasibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the utility model;
[0016] Figure 3 It is a side view structural schematic diagram of the utility model;
[0017] Figure 4 For the utility model Figure 2 Enlarged structural diagram at A in the middle.
[0018] Among them: 1. table body; 2. fixed mold; 3. guide column; 4. lifting cover plate; 5. lifting mold base; 6. top plate; 7. hydraulic cylinder; 8. electric push rod; 9. movable mold; 10. protective plate; 11. pressure sensor; 12. control panel; 13. transparent plate; 14. installation card plate; 15. limited card slot. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.
[0020] Example
[0021] Please refer to Figure 1-4As shown, the utility model provides a hydraulic machine tool with a protective mechanism, including a platform 1, a control console 12 is arranged on one side of the top of the front end of the platform 1, a fixed mold 2 is arranged at the middle position of the top of the platform 1, guide pillars 3 are arranged at both ends of both sides of the top of the platform 1, a top plate 6 is arranged between the tops of the guide pillars 3, a lifting mold base 5 is arranged between the outsides of the guide pillars 3, the lifting mold base 5 can be lifted and slid between the outsides of the guide pillars 3, a movable mold 9 is arranged at the middle position of the bottom end of the lifting mold base 5, a hydraulic cylinder 7 is penetrated at the middle position of the top of the top plate 6, the bottom end of the hydraulic cylinder 7 and the middle position of the top of the lifting mold base 5 are fixedly connected, the workpiece to be stamped is positioned and placed on the fixed mold 2, and then the technical worker controls the hydraulic cylinder 7 through the control console 12 to drive the lifting mold base 5 to descend and drive the movable mold 9 to close the mold of the fixed mold 2 to stamp the workpiece, and at the same time, the lifting mold base 5 is stabilized by the guide pillars 3 to ensure the stamping quality;
[0022] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the front end of the top plate 6 is provided with an "L"-shaped lifting cover plate 4, and the front end of the inner side of the lifting cover plate 4 is provided with a transparent plate 13. Electric push rods 8 are inserted on both sides of the front end of the top of the top plate 6. The electric push rods 8 are symmetrically arranged on the top of the top plate 6, and the bottom ends of the electric push rods 8 are fixedly connected to the bottom ends of the inner sides of the lifting cover plate 4. During the stamping process, the lifting cover plate 4 is pushed down by the electric push rods 8 to isolate the processing area. At this time, the transparent plate 13 can be used to facilitate technical workers to monitor the stamping process of the workpiece. When the workpiece is taken, the lifting cover plate 4 is lifted by the electric push rods 8. Pressure sensors 11 are provided on both sides of the front end of the top of the platform body 1, and the pressure sensors 11 are symmetrically arranged at the front end of the top of the platform body 1. The lifting state of the lifting cover plate 4 is sensed by the pressure sensors 11. After the pressure sensors 11 sense the pressure of the lifting cover plate 4 falling, they send an electrical signal to the control console 12 to start the equipment, thereby ensuring the safety of the hydraulic machine tool during the stamping of the workpiece.
[0023] When in use, the lifting cover plate 4 is driven to rise and fall by the electric push rod 8. The lifting cover plate 4 can be lowered to cover the front end of the machine tool when punching the workpiece to prevent workers from entering by mistake and causing safety accidents. At the same time, the lifting cover plate 4 can be lifted when taking and placing the workpiece to facilitate the operation of taking and placing the workpiece, and the lifting state of the lifting cover plate 4 is sensed by the pressure sensor 11. After the pressure sensor 11 senses the pressure of the lifting cover plate 4 falling, it sends an electrical signal to the control console 12 to start the equipment, and the transparent plate 13 is used to facilitate technical workers to monitor the punching process of the workpiece;
[0024] As a further implementation of this embodiment, Figure 1-4As shown, a protection component is provided at the edge of the bottom end of the top plate 6, and the protection component includes a "U"-shaped protection plate 10, which is provided at the edge of the bottom end of the top plate 6, and mounting clamps 14 are provided on both sides of the top end of the protection plate 10, and limiting slots 15 are provided on both sides of the bottom end of the top plate 6. The mounting clamps 14 are inserted into the inside of the limiting slots 15, so as to achieve the purpose of stabilizing the protection plate 10. The protection plate 10 realizes the effect of safety protection of the rear end and both sides of the hydraulic machine tool, further improves the safety of the hydraulic machine tool, greatly reduces the probability of safety accidents, and has strong feasibility;
[0025] When in use, the U-shaped protective plate 10 is connected to the rear end and both sides of the machine tool, and the mounting card plate 14 is inserted into the inner part of the limited card slot 15, so that the protective plate 10 can be stabilized, and the protective plate 10 is used to safely protect the rear end and both sides of the hydraulic machine tool;
[0026] Specific working principle:
[0027] When using a hydraulic machine tool, first, connect the U-shaped protective plate 10 to the rear end and both sides of the machine tool, and insert the mounting card plate 14 into the interior of the limited card slot 15, so that the protective plate 10 can be stabilized. When the machine tool is running, the workpiece to be stamped is positioned and placed on the fixed die 2. Then, the technical worker controls the electric push rod 8 through the control panel 12 to lower the lifting cover plate 4 to cover the front end of the machine tool, and senses the lifting state of the lifting cover plate 4 through the pressure sensor 11. After the pressure sensor 11 senses the pressure of the lifting cover plate 4 falling, it sends an electrical signal to the control panel 12 to start the equipment, and then controls the hydraulic cylinder 7 to drive the lifting die base 5 to descend and drive the movable die 9 to close the fixed die 2 to stamp the workpiece. At the same time, the lifting die base 5 is stabilized by the guide column 3 to ensure the quality of the stamping process. The protective plate 10 can also be used to provide safety protection for the rear end and both sides of the hydraulic machine tool, and during the stamping process, the operator can use the transparent plate 13 to facilitate the technical worker to monitor the stamping process of the workpiece.
[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A hydraulic machine tool with a protective mechanism, comprising a platform (1), characterized in that: A control console (12) is arranged on one side of the top of the front end of the platform (1); a fixed mold (2) is arranged at the middle position of the top of the platform (1); guide pillars (3) are arranged at both ends of the top of the platform (1); a top plate (6) is arranged between the top ends of the guide pillars (3); a lifting mold base (5) is arranged between the outsides of the guide pillars (3); a movable mold (9) is arranged at the middle position of the bottom end of the lifting mold base (5); a hydraulic cylinder (7) is passed through the middle position of the top end of the top plate (6); a lifting cover plate (4) is arranged at the front end of the top plate (6); a transparent plate (13) is arranged at the front end of the inner side of the lifting cover plate (4); electric push rods (8) are passed through the two sides of the top front end of the top plate (6); pressure sensors (11) are arranged on the two sides of the top front end of the platform (1); and a protective component is arranged at the edge of the bottom end of the top plate (6).
2. A hydraulic machine tool with a protection mechanism according to claim 1, characterized in that: The electric push rods (8) are symmetrically arranged on the top of the top plate (6), and the bottom ends of the electric push rods (8) are fixedly connected to the bottom end of the inner side of the lifting cover plate (4).
3. A hydraulic machine tool with a protection mechanism according to claim 1, characterized in that: The lifting cover plate (4) is in an "L" shape, and the pressure sensor (11) is symmetrically arranged at the front end of the top of the platform (1).
4. A hydraulic machine tool with a protection mechanism according to claim 1, characterized in that: The bottom end of the hydraulic cylinder (7) is fixedly connected to the middle position of the top end of the lifting mold base (5), and the lifting mold base (5) can be lifted and slid between the outside of the guide column (3).
5. The hydraulic machine tool with a protection mechanism according to claim 1, characterized in that: The protection assembly comprises a protection plate (10), wherein the protection plate (10) is arranged at the edge of the bottom end of the top plate (6), mounting card plates (14) are arranged on both sides of the top end of the protection plate (10), and limiting card slots (15) are arranged on both sides of the bottom end of the top plate (6).
6. A hydraulic machine tool with a protection mechanism according to claim 5, characterized in that: The protective plate (10) is in a "U" shape, and the mounting card plate (14) is inserted into the interior of the limiting card slot (15).
Citation Information
Patent Citations
Numerical control machine tool with safety protection mechanism
CN209223700U