Metal plate stamping equipment and stamping method thereof

Abstract

The invention relates to the technical field of metal plate machining, in particular to metal plate stamping equipment and a stamping method.The metal plate stamping equipment comprises a machining table, telescopic legs are fixedly installed at the bottom of the machining table, a support is fixedly installed on the outer wall of the machining table, and a hydraulic rod is fixedly installed at the top of the support; a downward pressing piece is fixedly installed at the output end of the hydraulic rod, a rotating mechanism is arranged on the machining table, and the rotating mechanism comprises a first motor, a first connecting shaft rod, a supporting plate, a containing plate, an annular groove and a sliding rod. A first motor is started, the first motor drives a first connecting shaft rod to rotate, the first connecting shaft rod drives a supporting plate to rotate, and the supporting plate drives a placing plate to rotate, so that edge changing is conducted on a metal plate, then the other side of the metal plate is stamped, and the stamping efficiency of the metal plate is improved; the problem that in the prior art, edge changing stamping is inconvenient to conduct on metal plates is solved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of metal sheet processing, in particular to a metal sheet stamping device and a stamping method thereof. Background Art

[0002] Sheet metal stamping is a processing method that uses molds and stamping equipment to apply pressure to sheet metal at room temperature to separate or plastically deform it to obtain parts of the desired shape and size. It covers the main processes of punching, bending, stretching, etc. It has the advantages of high production efficiency, stable product quality, high material utilization, and the ability to process parts of complex shapes. However, it also has disadvantages such as high mold cost, large equipment investment, and high safety risks. It is widely used in many industries such as automobile manufacturing, aerospace, electronics, machinery manufacturing, and daily necessities, and is an indispensable and important processing method in modern industrial production.

[0003] After searching, the Chinese patent publication number CN 111633099 A discloses a metal sheet stamping equipment, including a base plate, a stamping cylinder, an upper die and a lower die. A column is fixed on the base plate, and an adjustment component for adjusting the position of the stamping cylinder is provided on the top of the column. A support plate is provided on the upper side of the base plate, and a rotating shaft is connected to the center of the bottom surface of the support plate. The bottom end of the rotating shaft is connected to a bearing seat, and the bearing seat is mounted on the base plate. A driving component for driving the rotating shaft to rotate is provided on the base plate, and a plurality of lower dies distributed in a central symmetrical manner are provided on the support plate, and a locking component for fixing the lower die is provided on the support plate. The metal sheet stamping equipment drives the push-pull plate and the rack to move as a whole through the extension and contraction of the electric telescopic rod, and then drives the support plate and the lower die to rotate, and moves another sheet to be stamped to the bottom of the upper die, so that the second stamping can be carried out, which shortens the time for taking and placing the sheet and improves the stamping efficiency.

[0004] The above patent has the following shortcomings: when the above metal sheet folding forming device is in use, if the metal sheet needs to be bent on both sides, it is necessary to manually release the fixation of the metal sheet and then rotate the metal sheet to the other side, which is time-consuming and labor-intensive, and the bending efficiency is low. In view of this, we propose a metal sheet stamping equipment and a stamping method thereof. Summary of the invention

[0005] The object of the present invention is to provide a metal sheet stamping device and a stamping method thereof to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A metal sheet stamping equipment comprises: a processing table, a telescopic leg is fixedly installed at the bottom of the processing table, a bracket is fixedly installed on the outer wall of the processing table, a hydraulic rod is fixedly installed on the top of the bracket, a pressing piece is fixedly installed on the output end of the hydraulic rod, and a rotating mechanism is arranged on the processing table, and the rotating mechanism comprises a first motor, a connecting rod 1, a supporting plate, a placing plate, an annular groove, and a sliding rod. The first motor is fixedly installed at the bottom of the processing table, the connecting rod 1 is fixedly installed at the output end of the first motor, and the top passes through the bottom of the processing table and extends to the top of the processing table. The connecting rod 1 is rotatably connected with the processing table, and the supporting plate is fixedly installed on the top of the connecting rod 1, and the placing plate is fixedly installed on the top of the supporting plate. By starting the first motor, the first motor drives the connecting rod 1 to rotate, the connecting rod 1 drives the supporting plate to rotate, and the supporting plate drives the placing plate to rotate, so as to change the side of the metal sheet, and then bend the other side of the metal sheet, thereby improving the efficiency of bending the metal sheet, solving the problem that it is inconvenient to change the side and bend the metal sheet in the prior art, and reducing the labor intensity of the staff.

[0007] Preferably, the annular groove is opened on the top of the processing table, the top of the sliding rod is fixedly connected to the bottom of the support plate, and the bottom is slidably connected to the inside of the annular groove. By setting the annular groove and the sliding rod, the stability of the placement plate during rotation can be achieved.

[0008] Preferably, a clamping mechanism is provided on the placement plate, and the clamping mechanism includes a mounting plate, a second motor, a second connecting rod, a first bevel gear, a U-shaped plate, a bearing, a bidirectional threaded rod, a second bevel gear, a sliding plate, a connecting rod, a clamping plate, and a groove. The U-shaped plate and the mounting plate are both fixedly mounted on the bottom of the placement plate, and the groove is provided on the front and rear sides of the placement plate. The second motor is fixedly mounted on the outer wall of the mounting plate and faces the U-shaped plate. There are two clamping mechanisms, and by providing the groove, the device can fix metal plates that are smaller in size than the placement plate.

[0009] Preferably, the second connecting rod is fixedly installed on the output end of the second motor, the first bevel gear is fixedly installed on one end of the second connecting rod, the bearing is fixedly installed inside the U-shaped plate, the bidirectional threaded rod is rotatably connected to the inside of the U-shaped plate through the bearing, the second bevel gear is fixedly sleeved on the outer wall of the bidirectional threaded rod and meshingly connected with the first bevel gear, and the bearing is arranged so that the bidirectional threaded rod is driven to rotate. Two bearings are installed in each U-shaped plate, which are respectively arranged at both ends of the bidirectional threaded rod. The first bevel gear can drive the second bevel gear to rotate, thereby driving the bidirectional threaded rod to rotate.

[0010] Preferably, the bidirectional threaded rod passes through the sliding plate and is threadedly connected to the sliding plate, one end of the connecting rod is fixedly connected to the outer wall of the sliding plate, and the other end passes through one side of the inner wall of the U-shaped plate and extends to the outside of the U-shaped plate, the connecting rod is slidably connected to the U-shaped plate, and the splint is fixedly installed at the other end of the connecting rod, the splint is slidably connected to the groove, and the sliding plate can be arranged to drive the connecting rod to move, and then drive the splint to move, and the opposite threaded sections on each bidirectional threaded rod are respectively threadedly connected to a sliding plate.

[0011] Preferably, a lifting mechanism is provided on the placement plate, and the lifting mechanism includes an electric push rod, a first trapezoidal block, a second trapezoidal block, a round rod, a top plate, a spring, and a rectangular groove. The electric push rod is fixedly mounted on the outer wall of the mounting plate, and the first trapezoidal block is fixedly mounted on the output end of the electric push rod. By setting the electric push rod, the first trapezoidal block can be driven to move left and right.

[0012] Preferably, the bottom of the round rod is fixedly connected to the top of the second trapezoidal block, and the inclined surface of the second trapezoidal block is arranged opposite to the inclined surface of the first trapezoidal block, the rectangular groove is opened at the top of the placement plate, and the top plate is movably connected to the inside of the rectangular groove, and the purpose of squeezing the second trapezoidal block can be achieved by setting the first trapezoidal block, so that the second trapezoidal block moves upward.

[0013] Preferably, the top of the round rod passes through the bottom of the placement plate and extends to the inside of the rectangular groove, and is fixedly connected to the bottom of the top plate. The round rod is movably connected to the placement plate. The spring is sleeved on the outer wall of the round rod, and the two ends are respectively fixedly connected to the bottom of the placement plate and the top of the second trapezoidal block. The spring is arranged to drive the top plate to reset when the first trapezoidal block does not squeeze the second trapezoidal block.

[0014] Preferably, a slide groove is provided on the bracket, a limiting rod is fixedly installed on the outer wall of the lower pressure piece, and one end of the limiting rod is slidably connected to the inside of the slide groove. By setting the limiting rod and the slide groove, the lower pressure piece can move up and down more stably, thereby improving the stability of the bending.

[0015] A stamping method for a metal sheet stamping device comprises the following steps; Step 1: Start the second motor, the second motor drives the second connecting rod to rotate, the second connecting rod drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the clamping plate away from the placement plate through the sliding plate and the connecting rod, and then put the metal sheet on the placement plate, start the second motor to rotate in the opposite direction to drive the clamping plate to clamp the metal sheet; Step 2: Start the hydraulic rod, which drives the lower pressing piece to move downward, and the lower pressing piece performs a stamping operation on the fixed metal sheet; Step three, by starting the first motor, the first motor drives the connecting rod to rotate, the connecting rod drives the supporting plate to rotate, the supporting plate drives the placing plate to rotate, thereby changing the side of the metal plate, and then punching the other side of the metal plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The metal sheet stamping equipment and stamping method thereof fix the metal sheet and start the hydraulic rod, which drives the lower pressing part to move downward, and the lower pressing part performs a stamping operation on the fixed metal sheet. When the other side needs to be stamped and bent, the first motor is started, and the first motor drives the connecting rod to rotate, and the connecting rod drives the supporting plate to rotate, and the supporting plate drives the placing plate to rotate, so as to change the side of the metal sheet and then stamp the other side of the metal sheet, thereby improving the efficiency of metal sheet stamping, solving the problem of inconvenience in stamping the metal sheet in the prior art, shortening the time for taking and placing the sheet, improving the stamping efficiency, and reducing the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ; Figure 3 It is a structural schematic diagram of the processing table of the present invention; Figure 4 It is a structural schematic diagram of the clamping mechanism of the present invention; Figure 5 It is an enlarged view of A of the present invention; Figure 6 It is a structural schematic diagram of the placement plate of the present invention; Figure 7 It is a schematic structural diagram of the top plate and the second trapezoidal block of the present invention.

[0018] In the figure: 1, processing table; 2, telescopic legs; 3, bracket; 4, hydraulic rod; 5, pressing piece; 6, rotating mechanism; 601, first motor; 602, connecting rod 1; 603, supporting plate; 604, placing plate; 605, annular groove; 606, sliding rod; 7, clamping mechanism; 701, mounting plate; 702, second motor; 703, connecting rod 2; 704, first bevel gear; 705, U-shaped plate; 706, bearing; 707, two-way threaded rod; 708, second bevel gear; 709, sliding sheet; 710, connecting rod; 711, clamping plate; 712, groove; 8, lifting mechanism; 801, electric push rod; 802, first trapezoidal block; 803, second trapezoidal block; 804, round rod; 805, top plate; 806, spring; 807, rectangular groove; 9, limit rod; 10, slide groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0023] like Figure 1-3As shown, a metal sheet stamping equipment and a stamping method thereof include a processing table 1, a telescopic leg 2 is fixedly installed at the bottom of the processing table 1, the telescopic leg 2 can be telescoped so that the height of the processing table 1 can be adjusted to accommodate workers of different heights, and a universal wheel that can be stored is arranged at the bottom of the telescopic leg 2, which is convenient for carrying the device, and the universal wheel is stored inside the telescopic leg 2 when the device is in use, so as to avoid the universal wheel touching the ground and causing instability, a bracket 3 is fixedly installed on the outer wall of the processing table 1, a hydraulic rod 4 is fixedly installed on the top of the bracket 3, and a pressing piece 5 is fixedly installed on the output end of the hydraulic rod 4, and a rotating mechanism 6 is arranged on the processing table 1, and the rotating mechanism 6 includes a first motor 601, a connecting rod 602, a supporting plate 603, a placing plate 604, an annular groove 605, and a sliding rod 606, the first motor 601 is fixedly installed at the bottom of the processing table 1, the connecting rod 602 is fixedly installed at the output end of the first motor 601, and the top passes through the bottom of the processing table 1 and extends to the top of the processing table 1, and the connecting rod 602 and the connecting rod 602 are connected to the connecting rod 602. The workbench 1 is rotatably connected, and the support plate 603 is fixedly installed on the top of the connecting rod 602, and the placement plate 604 is fixedly installed on the top of the support plate 603; the annular groove 605 is opened on the top of the processing table 1, the top of the slide bar 606 is fixedly connected to the bottom of the support plate 603, and the bottom is slidably connected to the inside of the annular groove 605, and the bracket 3 is provided with a slide groove 10, and the outer wall of the lower pressure piece 5 is fixedly installed with a limit rod 9, and one end of the limit rod 9 is slidably connected to the inside of the slide groove 10. By setting the limit rod 9 and The slide groove 10 makes the downward movement of the pressing piece 5 more stable, thereby improving the stability of the bending. By starting the first motor 601, the first motor 601 drives the connecting rod 602 to rotate, the connecting rod 602 drives the supporting plate 603 to rotate, and the supporting plate 603 drives the placing plate 604 to rotate, thereby changing the side of the metal sheet and then bending the other side of the metal sheet, thereby improving the efficiency of bending the metal sheet, solving the problem of inconvenience in changing the side of the metal sheet in the prior art, and reducing the labor intensity of the staff.

[0024] like Figure 4-6As shown, a clamping mechanism 7 is arranged on the placement plate 604, and the clamping mechanism 7 includes a mounting plate 701, a second motor 702, a second connecting rod 703, a first bevel gear 704, a U-shaped plate 705, a bearing 706, a bidirectional threaded rod 707, a second bevel gear 708, a sliding sheet 709, a connecting rod 710, a clamping plate 711, and a groove 712. The U-shaped plate 705 and the mounting plate 701 are both fixedly mounted on the bottom of the placement plate 604, and the groove 712 is provided on the front and rear sides of the placement plate 604. The second motor 702 is fixedly mounted on the outer wall of the mounting plate 701 and faces the U-shaped plate 705. There are two clamping mechanisms 7, and the groove 712 is provided so that the device can The plate 604 is fixed with a metal plate that is smaller than the placing plate 604; the second connecting rod 703 is fixedly installed at the output end of the second motor 702, the first bevel gear 704 is fixedly installed at one end of the second connecting rod 703, the bearing 706 is fixedly installed inside the U-shaped plate 705, the bidirectional threaded rod 707 is rotatably connected to the inside of the U-shaped plate 705 through the bearing 706, the second bevel gear 708 is fixedly sleeved on the outer wall of the bidirectional threaded rod 707, and is meshed with the first bevel gear 704. By setting the bearing 706, the bidirectional threaded rod 707 is driven to rotate, and two bearings 706 are installed in each U-shaped plate 705, which are respectively set at both ends of the bidirectional threaded rod 707. , by setting the first bevel gear 704, the second bevel gear 708 can be driven to rotate, thereby driving the bidirectional threaded rod 707 to rotate; the bidirectional threaded rod 707 passes through the sliding sheet 709 and is threadedly connected to the sliding sheet 709, one end of the connecting rod 710 is fixedly connected to the outer wall of the sliding sheet 709, and the other end passes through one side of the inner wall of the U-shaped plate 705 and extends to the outside of the U-shaped plate 705, the connecting rod 710 is slidably connected to the U-shaped plate 705, and the clamping plate 711 is fixedly installed at the other end of the connecting rod 710, and the clamping plate 711 is slidably connected to the groove 712. By setting the sliding sheet 709, the connecting rod 710 can be driven to move, thereby driving the clamping plate 711 to move, and each bidirectional thread The opposite threaded sections on the rod 707 are respectively threadedly connected with a sliding piece 709. By starting the second motor 702, the second motor 702 drives the second connecting rod 703 to rotate, the second connecting rod 703 drives the first bevel gear 704 to rotate, the first bevel gear 704 drives the second bevel gear 708 to rotate, the second bevel gear 708 drives the bidirectional threaded rod 707 to rotate, the bidirectional threaded rod 707 drives the clamping plate 711 away from the placement plate 604 through the sliding piece 709 and the connecting rod 710, and then the metal sheet is placed on the placement plate 604, and the second motor 702 is started to rotate in the opposite direction to drive the clamping plate 711 to clamp the metal sheet to prevent the metal sheet from moving during bending, resulting in inaccurate bending.

[0025] like Figure 4-7As shown, a lifting mechanism 8 is provided on the placement plate 604, and the lifting mechanism 8 includes an electric push rod 801, a first trapezoidal block 802, a second trapezoidal block 803, a round rod 804, a top plate 805, a spring 806, and a rectangular groove 807. The electric push rod 801 is fixedly installed on the outer wall of the mounting plate 701, and the first trapezoidal block 802 is fixedly installed on the output end of the electric push rod 801. By setting the electric push rod 801, the first trapezoidal block 802 can be driven to move left and right; the bottom of the round rod 804 is fixedly connected to the top of the second trapezoidal block 803, and the inclined surface of the second trapezoidal block 803 is arranged opposite to the inclined surface of the first trapezoidal block 802, the rectangular groove 807 is opened at the top of the placement plate 604, and the top plate 805 is movably connected to the inside of the rectangular groove 807. By setting the first trapezoidal block 802, the purpose of squeezing the second trapezoidal block 803 can be achieved, so that the second trapezoidal block 803 moves up; the top of the round rod 804 The top plate 805 is fixedly connected to the bottom of the placing plate 604 through the bottom of the placing plate 604 and extends to the inside of the rectangular groove 807, and is fixedly connected to the bottom of the top plate 805. The round rod 804 is movably connected to the placing plate 604. The spring 806 is sleeved on the outer wall of the round rod 804, and the two ends are respectively fixedly connected to the bottom of the placing plate 604 and the top of the second trapezoidal block 803. By setting the spring 806, the top plate 805 is driven to reset when the first trapezoidal block 802 does not squeeze the second trapezoidal block 803. By starting the electric push rod 801, the electric push rod 801 drives the first trapezoidal block 802 to move, so that the inclined surface of the first trapezoidal block 802 squeezes the inclined surface of the second trapezoidal block 803, and the second trapezoidal block 803 moves upward to drive the round rod 804 to move upward. The round rod 804 drives the top plate 805 to move upward to push the bent metal sheet, so that the metal sheet rises to a certain height, avoiding the smaller metal sheet from sticking to the top of the placing plate 604, thereby facilitating the staff to unload.

[0026] A stamping method for a metal sheet stamping device comprises the following steps; Step 1: Start the second motor 702, the second motor 702 drives the second connecting rod 703 to rotate, the second connecting rod 703 drives the first bevel gear 704 to rotate, the first bevel gear 704 drives the second bevel gear 708 to rotate, the second bevel gear 708 drives the bidirectional threaded rod 707 to rotate, the bidirectional threaded rod 707 drives the clamping plate 711 away from the placement plate 604 through the sliding sheet 709 and the connecting rod 710, and then the metal sheet is placed on the placement plate 604, and the second motor 702 is started to rotate in the opposite direction to drive the clamping plate 711 to clamp the metal sheet; Step 2: Start the hydraulic rod 4, the hydraulic rod 4 drives the lower pressing piece 5 to move downward, and the lower pressing piece 5 performs a stamping operation on the fixed metal plate; Step 3: Start the first motor 601, the first motor 601 drives the connecting rod 602 to rotate, the connecting rod 602 drives the supporting plate 603 to rotate, the supporting plate 603 drives the placing plate 604 to rotate, so as to change the side of the metal sheet and then punch the other side of the metal sheet.

[0027] The working principle of the present invention is as follows: like Figure 1-7 As shown, when the present invention is in use, by starting the second motor 702, the second motor 702 drives the second connecting rod 703 to rotate, the second connecting rod 703 drives the first bevel gear 704 to rotate, the first bevel gear 704 drives the second bevel gear 708 to rotate, the second bevel gear 708 drives the bidirectional threaded rod 707 to rotate, the bidirectional threaded rod 707 drives the clamping plate 711 away from the placement plate 604 through the sliding sheet 709 and the connecting rod 710, and then the metal sheet is placed on the placement plate 604, the second motor 702 is started to rotate in the opposite direction to drive the clamping plate 711 to clamp the metal sheet, so as to prevent the metal sheet from moving during stamping and causing inaccurate stamping; by starting the first motor 601, the first motor 601 drives the connecting rod 1 602 to rotate, the connecting rod 1 602 drives the support plate 6 03 rotates, the support plate 603 drives the placement plate 604 to rotate, so as to change the side of the metal plate, and then punch the other side of the metal plate, which improves the efficiency of metal plate punching, solves the inconvenience of changing the side of the metal plate in the prior art, and reduces the labor intensity of the staff; by starting the electric push rod 801, the electric push rod 801 drives the first trapezoidal block 802 to move, so that the inclined surface of the first trapezoidal block 802 squeezes the inclined surface of the second trapezoidal block 803, and the second trapezoidal block 803 moves up to drive the round rod 804 to move up, and the round rod 804 drives the top plate 805 to move up to push the stamped metal plate, so that the metal plate rises to a certain height, avoiding the smaller metal plate from sticking to the top of the placement plate 604, thereby facilitating the staff to unload.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A metal sheet stamping device, comprising a processing table (1), characterized in that: A telescopic leg (2) is fixedly mounted on the bottom of the processing table (1), a bracket (3) is fixedly mounted on the outer wall of the processing table (1), a hydraulic rod (4) is fixedly mounted on the top of the bracket (3), a pressing piece (5) is fixedly mounted on the output end of the hydraulic rod (4), and a rotating mechanism (6) is arranged on the processing table (1), and the rotating mechanism (6) comprises a first motor (601), a connecting rod (602), a supporting plate (603), a placing plate (604), and an annular groove (605). , a sliding rod (606), the first motor (601) is fixedly mounted on the bottom of the processing table (1), the connecting rod 1 (602) is fixedly mounted on the output end of the first motor (601), and the top thereof passes through the bottom of the processing table (1) and extends to the top of the processing table (1), the connecting rod 1 (602) is rotatably connected to the processing table (1), and the support plate (603) is fixedly mounted on the top of the connecting rod 1 (602), and the placement plate (604) is fixedly mounted on the top of the support plate (603).

2. The metal sheet stamping equipment according to claim 1, characterized in that: The annular groove (605) is formed on the top of the processing table (1); the top of the sliding rod (606) is fixedly connected to the bottom of the supporting plate (603), and the bottom is slidably connected to the inside of the annular groove (605).

3. A metal sheet stamping equipment according to claim 2, characterized in that: The placement plate (604) is provided with a clamping mechanism (7), and the clamping mechanism (7) comprises a mounting plate (701), a second motor (702), a second connecting rod (703), a first bevel gear (704), a U-shaped plate (705), a bearing (706), a bidirectional threaded rod (707), a second bevel gear (708), a sliding sheet (709), a connecting rod (710), a clamping plate (711), and a groove (712). The U-shaped plate (705) and the mounting plate (701) are both fixedly mounted on the bottom of the placement plate (604), and the groove (712) is provided on the front and rear sides of the placement plate (604). The second motor (702) is fixedly mounted on the outer wall of the mounting plate (701) and faces the U-shaped plate (705).

4. The metal sheet stamping equipment according to claim 3, characterized in that: The second connecting rod (703) is fixedly mounted on the output end of the second motor (702); the first bevel gear (704) is fixedly mounted on one end of the second connecting rod (703); the bearing (706) is fixedly mounted inside the U-shaped plate (705); the bidirectional threaded rod (707) is rotatably connected to the inside of the U-shaped plate (705) via the bearing (706); and the second bevel gear (708) is fixedly sleeved on the outer wall of the bidirectional threaded rod (707) and meshedly connected with the first bevel gear (704).

5. The metal sheet stamping equipment according to claim 4, characterized in that: The bidirectional threaded rod (707) passes through the sliding plate (709) and is threadedly connected to the sliding plate (709); one end of the connecting rod (710) is fixedly connected to the outer wall of the sliding plate (709), and the other end passes through one side of the inner wall of the U-shaped plate (705) and extends to the outside of the U-shaped plate (705); the connecting rod (710) is slidably connected to the U-shaped plate (705), and the clamping plate (711) is fixedly installed on the other end of the connecting rod (710); the clamping plate (711) is slidably connected to the groove (712).

6. The metal sheet stamping equipment according to claim 5, characterized in that: A lifting mechanism (8) is provided on the placement plate (604), and the lifting mechanism (8) comprises an electric push rod (801), a first trapezoidal block (802), a second trapezoidal block (803), a round rod (804), a top plate (805), a spring (806), and a rectangular groove (807); the electric push rod (801) is fixedly mounted on the outer wall of the mounting plate (701), and the first trapezoidal block (802) is fixedly mounted on the output end of the electric push rod (801).

7. The metal sheet stamping equipment according to claim 6, characterized in that: The bottom of the round rod (804) is fixedly connected to the top of the second trapezoidal block (803), and the inclined surface of the second trapezoidal block (803) is arranged opposite to the inclined surface of the first trapezoidal block (802). The rectangular groove (807) is opened on the top of the placement plate (604), and the top plate (805) is movably connected to the inside of the rectangular groove (807).

8. The metal sheet stamping equipment according to claim 7, characterized in that: The top of the round rod (804) passes through the bottom of the placement plate (604) and extends to the inside of the rectangular groove (807), and is fixedly connected to the bottom of the top plate (805). The round rod (804) is movably connected to the placement plate (604). The spring (806) is sleeved on the outer wall of the round rod (804), and its two ends are respectively fixedly connected to the bottom of the placement plate (604) and the top of the second trapezoidal block (803).

9. The metal sheet stamping equipment according to claim 8, characterized in that: The bracket (3) is provided with a slide groove (10), and a limit rod (9) is fixedly mounted on the outer wall of the pressing member (5), and one end of the limit rod (9) is slidably connected to the inside of the slide groove (10).

10. A stamping method for a metal sheet stamping device, applied to the metal sheet stamping device according to claim 9 for sheet stamping, characterized in that: The steps include: Step 1: Start the second motor (702), the second motor (702) drives the second connecting rod (703) to rotate, the second connecting rod (703) drives the first bevel gear (704) to rotate, the first bevel gear (704) drives the second bevel gear (708) to rotate, the second bevel gear (708) drives the bidirectional threaded rod (707) to rotate, the bidirectional threaded rod (707) drives the clamping plate (711) away from the placement plate (604) through the sliding plate (709) and the connecting rod (710), and then the metal sheet is placed on the placement plate (604), and the second motor (702) is started to rotate in the opposite direction to drive the clamping plate (711) to clamp the metal sheet; Step 2: starting the hydraulic rod (4), the hydraulic rod (4) drives the lower pressing member (5) to move downward, and the lower pressing member (5) performs a stamping operation on the fixed metal plate; Step 3: Start the first motor (601), the first motor (601) drives the connecting rod (602) to rotate, the connecting rod (602) drives the support plate (603) to rotate, the support plate (603) drives the placement plate (604) to rotate, so as to change the side of the metal plate, and then punch the other side of the metal plate.

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