Single-acting sheet stamping hydraulic press

Abstract

The utility model relates to the technical field of hydraulic machines, and provides a single-action sheet stamping hydraulic machine which comprises a base, stand columns are fixedly connected to the four corners of the top end of the base, a hydraulic base is fixedly connected to the top ends of the stand columns, upper pressing dies are slidably connected to the surfaces of the stand columns, and reset springs are fixedly connected to the inner walls of sliding grooves. A sliding block is fixedly connected to one end of each reset spring, a positioning plate extending out of the corresponding sliding groove is fixedly connected to one end of each sliding block, and clamping plates are fixedly connected to the lower ends of the two sides of the inner wall of the protection frame. And the clamping plate slides in the clamping groove, and the positioning plate limits one end of the clamping groove, so that the protective frame and the base can be quickly and slidably disassembled and assembled, and the situation that the installation firmness of the protective frame is affected due to tedious disassembly and assembly of a traditional tool and careless thread loosening is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic presses, in particular to a single-action thin plate stamping hydraulic press. Background Art

[0002] Thin plate is a flat section steel with a large ratio of width to thickness. During the production and processing, it is often necessary to use molds to stamp it into different workpieces. The single-action thin plate stamping hydraulic press is a special equipment used in thin plate stamping processing. Due to its high processing precision, energy saving and environmental protection, and easy operation, it is widely used in thin plate processing today.

[0003] After searching, the existing patent (Announcement No.: CN209794668U) discloses a four-column fast energy-saving single-action thin plate stamping hydraulic press, including a hydraulic press body, a movable workbench is installed on the hydraulic press body, an operation box is welded on one side of the hydraulic press body, a cavity is arranged on the operation box, a threaded rod is rotatably installed in the cavity, a stepper motor is arranged on one side of the operation box, the threaded rod cooperates with the stepper motor, a sliding hole is opened on the top inner wall of the cavity, a sliding rod is slidably installed in the sliding hole, a push rod is welded on the top of the sliding rod, a dust removal box is threadedly connected at one end of the push rod, a dust removal cavity is opened on the dust removal box, the dust removal box is adapted to the movable workbench, and a plurality of dust removal pipes are evenly distributed at the bottom of the dust removal box. The utility model has a simple structure and is easy to operate. It can quickly clean the movable workbench, avoid manual cleaning, improve work efficiency, avoid psychological pressure on the staff, and meet the use requirements.

[0004] However, in the above scheme, it is inconvenient to quickly disassemble and assemble the protective frame. In order to improve the safety during operation, a corresponding protective frame is usually added to the single-action thin plate stamping hydraulic press. However, the existing protective frame is usually installed by locking bolts and nuts, which means that corresponding tools must be used for each disassembly and assembly. In addition, the vibration generated by the operation of the single-action thin plate stamping hydraulic press can easily loosen the threads of the installed bolts and nuts, thereby affecting the firmness and stability of the installation of the protective frame.

[0005] In view of this, the utility model proposes a single-action thin plate stamping hydraulic press. Utility Model Content

[0006] The utility model provides a single-action thin plate stamping hydraulic press, which solves the problem of inconvenience in quickly disassembling and assembling a protective frame in the related art.

[0007] The technical solution of the utility model is as follows: a single-action thin-plate stamping hydraulic press comprises a base, four corners of the top of the base are fixedly connected with columns, the top of the column is fixedly connected with a hydraulic seat, buffer components are arranged on both sides of the hydraulic seat, an upper die is slidably connected to the surface of the column, the top of the upper die is fixedly connected to the output end of the hydraulic seat, and a protective component is arranged on the base.

[0008] The protective component includes a card slot, which is provided at the upper ends of both sides of the back side of the base, and a slide slot is provided at the upper ends of both sides of the back side of the base, the inner wall of the slide slot is fixedly connected with a return spring, one end of the return spring is fixedly connected with a sliding block, one end of the sliding block is fixedly connected with a positioning plate extending to the outside of the slide slot, one side of the back side of the positioning plate is fixedly connected with a shift block, the upper end of the base surface is movably connected with a protective frame, and the lower ends of both sides of the inner wall of the protective frame are fixedly connected with a card plate, by sliding the card plate and the inside of the card slot, and then by using the elastic force of the return spring, the positioning plate can be close to one end of the card slot to limit the card plate, thereby realizing quick disassembly and assembly between the protective frame and the base, avoiding the cumbersome and inconvenient traditional disassembly and assembly that must rely on tools, and avoiding the loosening of threads of traditional bolts and nuts that affect the firmness and stability of the installation of the protective frame.

[0009] Preferably, the shape of the protective frame in a top view is U-shaped, and an empty groove is opened at one end of the bottom end of the protective frame, so that there is sliding space for the shift block and the positioning plate to limit one end of the clamping plate.

[0010] Preferably, a sliding structure is formed between the card plate and the inside of the card slot, and the cross-section of the card slot and the card plate is inverted convex, thereby improving the stability and firmness of the initial sliding installation between the protective frame and the base.

[0011] Preferably, the positioning plate forms a sliding structure between the slider and the inside of the slide slot, and one end of the positioning plate is in close contact with one end of the card slot to limit one end of the card plate to prevent the card plate from sliding out of the card slot.

[0012] Preferably, the buffer assembly includes a fixed groove, the fixed groove is opened on both sides inside the upper die, the inner bottom wall of the fixed groove is fixedly connected with a sliding rod, the sliding rod surface of the inner top wall of the fixed groove is wound with a buffer spring, the sliding rod surface at the bottom end of the buffer spring is movably connected with a sliding frame, the bottom end of the sliding frame extends to the outside of the upper die and is fixedly connected with a buffer plate, when the upper die is lowered for stamping or other processing, the elastic force of the buffer spring can be used to achieve buffering between the upper die and the base, thereby reducing the punching force and avoiding the problem of damage to the workbench at the top of the base or the thin plate workpiece due to excessive punching pressure.

[0013] Preferably, the cross-section of the sliding frame is in the shape of a trident, and a sliding structure is formed between the upper end of the sliding frame and the surface of the sliding rod, so that the sliding frame can only slide vertically and smoothly.

[0014] Preferably, the inner wall of the fixed groove is provided with a limiting groove, and both sides of the sliding frame are fixedly connected with limiting blocks that slidably cooperate with the inside of the limiting groove, so as to further make the sliding frame slide up and down more smoothly.

[0015] Preferably, reinforcement plates are welded at equal intervals on the surface of the base, and the cross-section of the reinforcement plates is in the shape of a right triangle, which reinforces the structural strength of the base itself and improves the bearing capacity of the base itself.

[0016] The working principle and beneficial effects of the utility model are:

[0017] The utility model provides a protective component, during stamping or other processing, the protective frame can be used to shield and protect the periphery of the base, to avoid workpieces or debris accidentally splashing during stamping or other processing, causing personal injury or damage to peripheral equipment, thereby improving the safety of operation. At the same time, the sliding of the card plate and the inside of the card slot can be utilized, and the elastic force of the return spring can be utilized so that the positioning plate can be closely attached to one end of the card slot to limit the card plate, thereby realizing the rapid disassembly and assembly between the protective frame and the base, avoiding the cumbersome and inconvenient disassembly and assembly that must be performed with the aid of tools in the traditional method, and avoiding the loosening of the threads of the traditional bolts and nuts that affects the firmness and stability of the installation of the protective frame, thereby reducing the difficulty of disassembly and assembly of the protective frame by the staff, and improving the corresponding disassembly and assembly work efficiency.

[0018] The buffer assembly provided in the utility model can, when the upper die is lowered for stamping or other processing, cause the buffer plate to contact the top of the base first, and cause the sliding frame to slide up and compress the buffer spring, so that the buffer spring can be used to achieve buffering between the two, thereby reducing the punching force, avoiding the problem of damage to the workbench at the top of the base or the thin plate workpiece due to excessive punching force, and extending its service life. It can also play a certain helping role when the upper die is subsequently raised, making the rising and separation faster, thereby improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the explosion structure of the protection frame of the utility model;

[0022] Figure 3 It is a schematic diagram of a partial cross-sectional structure after the protective frame of the utility model is removed;

[0023] Figure 4 It is a partial cross-sectional enlarged structural schematic diagram of the buffer component of the utility model;

[0024] Figure 5 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1. hydraulic seat; 2. upper die; 3. column; 4. protection assembly; 401. protection frame; 402. slot; 403. card plate; 404. shift block; 405. positioning plate; 406. slider; 407. slide groove; 408. reset spring; 5. reinforcement plate; 6. base; 7. buffer assembly; 701. buffer spring; 702. sliding frame; 703. limit groove; 704. limit block; 705. buffer plate; 706. slide rod; 707. fixing groove. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0027] The preferred embodiment of the single-action thin plate stamping hydraulic press provided by the utility model is as follows: Figures 1 to 5 As shown: a single-action thin plate stamping hydraulic press includes a base 6, four corners of the top of the base 6 are fixedly connected with columns 3, the top of the column 3 is fixedly connected with a hydraulic seat 1, buffer components 7 are arranged on both sides of the hydraulic seat 1, the surface of the column 3 is slidably connected with an upper die 2, the top of the upper die 2 is fixedly connected to the output end of the hydraulic seat 1, and a protective component 4 is arranged on the base 6.

[0028] The protection component 4 includes a card slot 402, which is provided at the upper ends of both sides of the back side of the base 6, and a slide slot 407 is provided at the upper ends of both sides of the back side of the base 6, and the inner wall of the slide slot 407 is fixedly connected with a return spring 408, one end of the return spring 408 is fixedly connected with a slider 406, and one end of the slider 406 is fixedly connected with a positioning plate 405 extending to the outside of the slide slot 407, and one side of the back side of the positioning plate 405 is fixedly connected with a shift block 404, and the upper end of the surface of the base 6 is movably connected with a protection frame 401, and the lower ends of both sides of the inner wall of the protection frame 401 are fixedly connected with a card plate 403, and the positioning plate 405 can be limited by the card plate 403 by sliding between the card plate 403 and the inside of the card slot 402, and then by the elastic force of the return spring 408, so that the positioning plate 405 can be limited by the card plate 403, thereby realizing the rapid disassembly and assembly of the protection frame 401, avoiding the cumbersome and inconvenient traditional disassembly and assembly that must rely on tools, and avoiding the loosening of the threads of the traditional bolts and nuts to affect the firmness and stability of the installation of the protection frame 401.

[0029] In this embodiment, the top view of the protective frame 401 is U-shaped, and an empty slot is opened at one end of the bottom of the protective frame 401. The protective frame 401 with the empty slot at the bottom is used to provide sliding space for the shift block 404 and the positioning plate 405 to limit one end of the clamping plate 403.

[0030] In this embodiment, a sliding structure is formed between the card plate 403 and the inside of the card slot 402. The cross-sections of the card slot 402 and the card plate 403 are inverted convex. The sliding of the inverted convex card plate 403 and the inside of the card slot 402 is utilized to improve the stability and firmness of the initial sliding installation between the protective frame 401 and the base 6.

[0031] In this embodiment, the positioning plate 405 forms a sliding structure between the slider 406 and the inside of the slide groove 407. One end of the positioning plate 405 is tightly attached to one end of the card slot 402. By utilizing the tight contact of the positioning plate 405, after the card plate 403 slides into the card slot 402, one end of the card plate 403 can be limited to prevent the card plate 403 from sliding out of the card slot 402. Example 2

[0032] On the basis of Example 1, the preferred embodiment of the single-action thin plate stamping hydraulic press provided by the utility model is as follows Figures 1 to 5As shown: the buffer assembly 7 includes a fixed groove 707, the fixed groove 707 is opened on both sides of the upper die 2, the inner bottom wall of the fixed groove 707 is fixedly connected with a slide rod 706, the surface of the slide rod 706 of the inner top wall of the fixed groove 707 is wound with a buffer spring 701, the surface of the slide rod 706 at the bottom end of the buffer spring 701 is movably connected with a sliding frame 702, the bottom end of the sliding frame 702 extends to the outside of the upper die 2 and is fixedly connected with a buffer plate 705, when the upper die 2 is lowered for stamping or other processing, the elastic force of the buffer spring 701 can be used to achieve buffering between the upper die 2 and the base 6, reduce the punching force, and avoid the problem of damage to the top workbench or thin plate workpiece of the base 6 due to excessive punching pressure.

[0033] In this embodiment, the cross-section of the sliding frame 702 is in the shape of a trident, and a sliding structure is formed between the upper end of the sliding frame 702 and the surface of the sliding rod 706. The upper end of the sliding frame 702 slides with the surface of the sliding rod 706, so that the sliding frame 702 can only slide vertically and smoothly.

[0034] In this embodiment, a limiting groove 703 is provided on the inner wall of the fixed groove 707, and limiting blocks 704 are fixedly connected on both sides of the sliding frame 702 to slide with the inside of the limiting groove 703. The sliding of the limiting blocks 704 in the limiting groove 703 further makes the sliding frame 702 slide up and down more smoothly.

[0035] In addition, reinforcement plates 5 are welded at equal intervals on the surface of the base 6. The cross-section of the reinforcement plates 5 is in the shape of a right triangle. The right triangle reinforcement plates 5 are used to reinforce the structural strength of the base 6 itself and improve the bearing capacity of the base 6 itself.

[0036] The working principle and use process of the utility model are as follows: first, when it is necessary to install the protection frame 401, the shifting block 404 is first moved to drive the positioning plate 405 and the slider 406 to slide and compress the reset spring 408 until the card slot 402 is completely exposed, and then the card plate 403 is slid into the card slot 402 to achieve the initial engagement and installation between the protection frame 401 and the base 6, and then the shifting block 404 is released, and the elastic force of the reset spring 408 is used to make the slider 406 slide and drive the positioning plate 405 to return to its original position, and the card plate 403 stuck in the card slot 402 is limited. When disassembling the protection frame 401, the above steps can be reversed, so that the protection frame 401 and the base 6 can be quickly disassembled and assembled, avoiding the cumbersome and inconvenient traditional disassembly and assembly that must be done with the help of tools, and avoiding the loosening of the threads of the traditional bolts and nuts to affect the firmness and stability of the installation of the protection frame 401;

[0037] Afterwards, the thin plate to be stamped is placed on the workbench at the top of the base 6, and then the hydraulic cylinder inside the hydraulic seat 1 is operated to drive the upper die 2 to slide down. At this time, the sliding of the upper die 2 and the surface of the column 3 is utilized to make the upper die 2 slide down more smoothly for stamping. At the same time, when the upper die 2 descends for stamping or other processing, the buffer plate 705 will first contact the top of the base 6, and then the sliding frame 702 and the sliding rod 706 will slide on the surface and compress the buffer spring 701, and then the buffer spring 701 can be used to achieve buffering between the two, thereby reducing the punching force and avoiding the problem of damage to the workbench at the top of the base 6 or the thin plate workpiece due to excessive punching force. Then the upper die 2 continues to descend until it is fitted with the thin plate for stamping.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A single-action sheet metal stamping hydraulic press, comprising a base (6), characterized in that: The four corners at the top of the base (6) are fixedly connected to columns (3), the top of the columns (3) is fixedly connected to a hydraulic seat (1), buffer components (7) are provided on both sides of the hydraulic seat (1), the surface of the columns (3) is slidably connected to an upper die (2), the top of the upper die (2) is fixedly connected to the output end of the hydraulic seat (1), and a protective component (4) is provided on the base (6); The protective component (4) comprises a card slot (402), wherein the card slot (402) is provided at the upper ends of both sides of the back side of the base (6), and a slide slot (407) is provided at the upper ends of both sides of the back side of the base (6), and the inner wall of the slide slot (407) is fixedly connected with a return spring (408), one end of the return spring (408) is fixedly connected with a slider (406), one end of the slider (406) is fixedly connected with a positioning plate (405) extending to the outside of the slide slot (407), and one side of the back side of the positioning plate (405) is fixedly connected with a shift block (404), and the upper end of the surface of the base (6) is movably connected with a protective frame (401), and the lower ends of both sides of the inner wall of the protective frame (401) are fixedly connected with a card plate (403).

2. The single-action thin plate stamping hydraulic press according to claim 1, characterized in that: The shape of the protective frame (401) in a top view is U-shaped, and an empty groove is provided at one end of the bottom of the protective frame (401).

3. The single-action thin plate stamping hydraulic press according to claim 1, characterized in that: A sliding structure is formed between the clamping plate (403) and the interior of the clamping slot (402); the cross-sections of the clamping slot (402) and the clamping plate (403) are inverted convex shapes.

4. The single-action thin plate stamping hydraulic press according to claim 1, characterized in that: The positioning plate (405) forms a sliding structure between the slider (406) and the inside of the slide groove (407), and one end of the positioning plate (405) is tightly attached to one end of the slot (402).

5. The single-action thin plate stamping hydraulic press according to claim 1, characterized in that: The buffer assembly (7) comprises a fixed groove (707), wherein the fixed groove (707) is provided on both sides of the interior of the upper die (2), a sliding rod (706) is fixedly connected to the inner bottom wall of the fixed groove (707), a buffer spring (701) is wound around the surface of the sliding rod (706) on the inner top wall of the fixed groove (707), a sliding frame (702) is movably connected to the surface of the sliding rod (706) at the bottom end of the buffer spring (701), and the bottom end of the sliding frame (702) extends to the outside of the upper die (2) and is fixedly connected to a buffer plate (705).

6. The single-action thin plate stamping hydraulic press according to claim 5, characterized in that: The cross-section of the sliding frame (702) is in the shape of a trident, and a sliding structure is formed between the upper end of the sliding frame (702) and the surface of the sliding rod (706).

7. The single-action thin plate stamping hydraulic press according to claim 5, characterized in that: The inner wall of the fixed groove (707) is provided with a limiting groove (703), and both sides of the sliding frame (702) are fixedly connected with limiting blocks (704) that slidably cooperate with the inside of the limiting groove (703).

8. The single-action thin plate stamping hydraulic press according to claim 1, characterized in that: Reinforcement plates (5) are welded at equal intervals on the surface of the base (6); the cross-section of the reinforcement plates (5) is in the shape of a right triangle.

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