A lifting table sheet metal continuous stamping positioning device

Abstract

The present invention belongs to the field of stamping positioning technology, and specifically relates to a lifting table sheet metal continuous stamping positioning device, which solves the problems of inaccurate positioning and uneven speed that may exist in the prior art due to the feeding machinery, conveyor belt or automation equipment when conveying sheet metal parts, and includes a workbench, a lower die seat is fixedly installed on the workbench, an upper die seat is installed above the workbench, a rotating frame is connected and fixedly installed on the rotating rod, an auxiliary unloading mechanism is rotatably connected on the rotating frame, and a cleaning processing frame is slidably and rotatably installed on the rotating frame. Through the arrangement of structures such as the positioning seat and the T-shaped positioning rod, the shape of the positioning seat is the same as the size of the lifting table board, and the positioning seat will be inserted into the groove punched on the sheet, so as to provide stable positioning and support, thereby significantly improving the positioning accuracy of the sheet during the stamping process, reducing the scrap rate, and reducing the maintenance cost and energy consumption of the equipment.

Description

Technical Field

[0001] The invention relates to the technical field of stamping positioning technology, and in particular to a continuous stamping positioning device for sheet metal of a lifting table. Background Art

[0002] A lifting table is a table that can adjust the height of the tabletop through a certain mechanism. According to the different lifting methods, it can be divided into two categories: manual lifting tables and electric lifting tables. Manual lifting tables usually adjust the height by hand crank or gas pressure rods, while electric lifting tables are driven by motors to achieve more convenient and precise height adjustment. As a practical furniture for modern office and home, lifting tables have many functions and advantages. When purchasing, users need to choose according to their actual needs and budget, and pay attention to choosing well-known brands and reputable merchants for purchase. By using the lifting table reasonably, we can better protect our health and improve work efficiency.

[0003] The sheet metal continuous stamping positioning device is a device specially used for accurate positioning and stable stamping of sheet metal parts during sheet metal processing. The sheet metal continuous stamping positioning device integrates a variety of mechanical and control systems to achieve high-precision positioning and stable clamping of sheet metal parts during the stamping process, thereby ensuring the accuracy and efficiency of the stamping process. The device is widely used in the fields of electronics, automobile industry, medical equipment, etc., and is one of the important equipment on the sheet metal processing production line. Place the sheet metal parts to be processed on the placement plate to ensure that the position of the sheet metal parts is accurate and stable.

[0004] The control system controls the clamping mechanism to move to the specified position to automatically clamp and position the sheet metal. The clamping mechanism needs to be fine-tuned according to factors such as the shape, size and material of the sheet metal to ensure the stability and accuracy of the clamping. After the clamping mechanism stably clamps the sheet metal, the control system controls the stamping mechanism to perform stamping. The stamping mechanism performs precise stamping operations on the sheet metal according to the preset procedures and parameters to form the required shape and size. The waste chips generated during the stamping process fall into the collection box at the bottom through the through holes opened on the support plate for subsequent processing. After completing a stamping process, the control system controls the clamping mechanism and the stamping mechanism to reset and reposition in preparation for the next stamping process. Through reciprocating operations, continuous stamping of sheet metal parts is achieved.

[0005] The continuous stamping positioning of the lifting table sheet metal is a process involving precision manufacturing and automated control, which ensures that the sheet metal parts can accurately reach the predetermined position during the stamping process, thereby ensuring the quality and consistency of the product.

[0006] The prior art discloses some invention patents in the field of air tightness detection technology, among which the Chinese patent with application number CN202223165349.X discloses a sheet metal continuous stamping positioning device. When stamping the sheet metal, in order to improve the stability of the sheet metal, according to the size of the sheet metal, the installed telescopic member drives the slide plate connected thereto to slide downward, so that the slide plate drives the mounting blocks to approach each other through the connecting rod, and the mounting blocks approach each other so that the two ends of the sheet metal placed on the placement plate are clamped and limited, thereby improving the stability of the sheet metal and further improving the quality of sheet metal stamping. At this time, the installed driving component rotates with the threaded rod connected thereto, and the rotation of the threaded rod drives the pressure plate to move toward the side close to the placement plate under the action of the thread, so that the pressure plate further presses and fixes the sheet metal placed on the placement plate, further improving the stability of sheet metal stamping.

[0007] When the prior art is in use, although the device clamps and fixes the sheet metal parts through the mounting block and the pressure plate, due to the inaccurate positioning and uneven speed that may exist in the feeding machinery, conveyor belt or automated equipment when conveying the sheet metal parts, the position of the sheet metal parts is shifted when they reach the processing position. At this time, although the device has achieved the fixation of the sheet metal parts, it is not convenient to position the processing position of the sheet metal parts, resulting in errors in its positioning accuracy, affecting the accuracy of the processing. Summary of the invention

[0008] The technical problem solved by the present invention is that due to the problems of inaccurate positioning and uneven speed that may exist when feeding machinery, conveyor belts or automated equipment when transporting sheet metal parts, the position of the sheet metal parts is offset when they reach the processing position. At this time, although the device has achieved the fixation of the sheet metal parts, it is not convenient to position the processing position of the sheet metal parts, resulting in errors in its positioning accuracy, affecting the accuracy of processing. A lifting table sheet metal continuous stamping positioning device is provided.

[0009] In order to solve the above technical problems, the present invention provides a lifting table sheet metal continuous stamping positioning device, comprising: a workbench, a lower die seat is fixedly installed on the workbench, an upper die seat is installed above the workbench, a positioning seat is slidably arranged above the workbench, a transmission mechanism is rotatably connected to the positioning seat, the transmission mechanism comprises a universal joint A, a one-way wheel is fixedly connected to one end of the universal joint A, a toggle rod is fixedly connected to the other end of the universal joint A, an adjustment frame is slidably arranged on the toggle rod, and a fixed device is connected to the adjustment frame. A rack is provided, and the adjustment frame is slidably matched with the positioning seat. A plurality of meshing teeth are rotatably connected and arranged near the one-way wheel on the workbench in a linear structure. A spring is fixedly provided at one end of the meshing teeth, and the meshing teeth are meshed with the one-way wheel for transmission. A rotating rod is rotatably provided on the positioning seat, and a gear is fixedly provided at one end of the rotating rod, and the gear is meshed with the rack for transmission. A rotating frame is fixedly provided on the rotating rod, and an auxiliary unloading mechanism is rotatably provided on the rotating frame, and a cleaning processing frame is slidably provided on the rotating rod.

[0010] Preferably, a fixing frame is fixedly connected to one side of the lower die base, and a plurality of T-shaped positioning rods are rotatably connected to the fixing frame.

[0011] Preferably, the bottom end of the positioning seat is provided with a conical structure, an electric push rod is connected and fixedly provided on the positioning seat, the electric push rod is connected and fixedly provided through the workbench, and an arc-shaped rack is connected and fixedly provided on the positioning seat.

[0012] Preferably, a rotating shaft is provided on the rotating frame for rotation connection, an incomplete gear is fixedly provided at one end of the rotating shaft, an adjusting wheel is fixedly provided at the other end of the rotating shaft, and the adjusting wheel is meshed with the arc-shaped rack for transmission. Under the action of the arc-shaped rack, the adjusting wheel will rotate, and then the adjusting wheel will drive the incomplete gear connected to the rotating shaft to rotate, so that the incomplete gear drives the worm connected to the bevel gear to rotate forward and reverse.

[0013] Preferably, the auxiliary unloading mechanism includes a worm, which is rotatably connected to the rotating frame, and two bevel gears are symmetrically connected and fixed on the worm, which are meshing and driving with the incomplete gear, and worm wheels are meshing and driving at both ends of the worm, and a connecting rod group is connected and fixed on the worm wheel, and one end of the connecting rod group is rotatably connected to the rotating frame, and an auxiliary unloading plate is connected and fixed between the other ends of the two connecting rod groups. When the rotating frame rotates, it will drive the cleaning frame connected to the rotating sleeve to rotate, and the motor is used to drive the roller shaft to rotate, so that the roller shaft drives the belt to rotate, and the brush on the belt will clean the bottom of the upper mold seat.

[0014] Preferably, a rotating sleeve is fixedly provided at one end of the cleaning and processing frame, the rotating sleeve and the workbench are rotatably connected, the inner wall of the rotating sleeve is slidably matched with the rotating rod, and two rollers are rotatably provided on the cleaning and processing frame, one end of one of the rollers is fixedly provided with a motor, a belt is frictionally provided between the two rollers, the belt has multiple openings, and multiple brushes are fixedly provided on the belt. The annular rack on the roller drives the transmission wheel to rotate, so that the transmission wheel drives the fan blade connected to the universal joint B to rotate, so that the cleaned particles are collected in the cleaning and processing frame, filtered through the filter bucket, and then the flowing air through the filter bucket cleans the surface of the plate below.

[0015] Preferably, a fan blade is rotatably connected to the inner wall in the middle of the cleaning and processing frame, one end of the fan blade is connected and fixedly provided with a universal joint B, the other end of the universal joint B passes through the inner wall of the cleaning and processing frame and extends to the outside and is connected and fixedly provided with a transmission wheel, an annular rack is connected and fixedly provided on the roller shaft near the transmission wheel, the annular rack is meshed with the transmission wheel for transmission, and a filter bucket is slidably provided on the inner wall in the middle of the cleaning and processing frame.

[0016] The present invention also discloses a lifting table sheet metal continuous stamping positioning device, which uses the lifting table sheet metal continuous stamping positioning device, including the following steps:

[0017] Compared with the related art, the present invention has the following beneficial effects:

[0018] 1. The present invention arranges structures such as a positioning seat and a T-shaped positioning rod, and the shape of the positioning seat is the same as the size of the lifting table top. At this time, after the stamping equipment punches a table top on the plate, and after the feeding mechanism drives the plate to feed, the electric push rod is used to drive the positioning seat to move downward. At this time, the positioning seat will be inserted into the groove punched on the plate, and can be seamlessly connected with it to provide stable positioning and support, thereby significantly improving the positioning accuracy of the plate during the stamping process, reducing the scrap rate, and reducing the maintenance cost and energy consumption of the equipment.

[0019] 2. The present invention, through the arrangement of structures such as the auxiliary unloading mechanism, can enable the auxiliary unloading mechanism to push the cut table board out of the lower die seat while removing it from the positioning seat, thereby preventing the table board from being stuck in the lower die seat, thereby improving production efficiency and product quality, and reducing labor costs and labor intensity.

[0020] 3. The present invention arranges the cleaning rack and other structures, so that the cleaning rack can be moved to the bottom of the upper mold seat while the positioning seat is removed. At this time, the brush can be used to clean the upper mold seat. At the same time, the fan blades collect the cleaned particles while the flowing air blows on the plate, which can blow away the tiny particles that may remain on the plate, further improving the cleanliness of the plate, facilitating subsequent processing, thereby improving production efficiency and product quality.

[0021] 4. The present invention, through the arrangement of structures such as a rotating rod and a rotating frame, can realize the movement of the auxiliary unloading mechanism and the cleaning and processing frame while removing from the positioning seat, thereby realizing the linkage of the device, reducing the need for manual intervention, and improving the automation level of the entire processing flow, thereby shortening the processing time and improving work efficiency.

[0022] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a partial structural schematic diagram of the present invention;

[0026] Figure 3 It is a schematic diagram of the structure of the lower die base of the present invention;

[0027] Figure 4 It is a schematic diagram of the positioning seat structure of the present invention;

[0028] Figure 5 It is a schematic diagram of the transmission mechanism and other structures of the present invention;

[0029] Figure 6 It is a schematic diagram of the structure of the rotating rod and the rotating frame of the present invention;

[0030] Figure 7 It is a structural schematic diagram of the auxiliary unloading mechanism of the present invention;

[0031] Figure 8 It is a partial cross-sectional expansion schematic diagram of the cleaning and processing frame structure of the present invention.

[0032] Numbers in the figure:

[0033] 1. Workbench; 2. Lower die seat; 3. Upper die seat; 4. Positioning seat; 5. Transmission mechanism; 6. Rotating rod; 7. Rotating frame; 8. Auxiliary unloading mechanism; 9. Cleaning and processing frame; 201. Fixed frame; 202. T-shaped positioning rod; 401. Electric push rod; 402. Arc-shaped rack; 501. Universal joint A; 502. One-way wheel; 503. Toggle rod; 504. Adjustment frame; 505. Rack; 101. Meshing teeth; 102. Spring ; 601, gear; 701, rotating shaft; 702, incomplete gear; 703, adjusting wheel; 801, worm; 802, bevel gear; 803, worm wheel; 804, connecting rod group; 805, auxiliary unloading plate; 901, rotating sleeve; 902, roller shaft; 903, motor; 904, belt; 905, brush; 906, fan blade; 907, universal joint B; 908, transmission wheel; 909, ring rack; 910, filter bucket. DETAILED DESCRIPTION

[0034] 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. Example 1

[0035] See also Figure 1-8 A lifting table sheet metal continuous stamping positioning device comprises: a workbench 1, a lower die seat 2 is fixedly installed on the workbench 1, an upper die seat 3 is installed above the workbench 1, a positioning seat 4 is slidably arranged above the workbench 1, a transmission mechanism 5 is rotatably connected and arranged on the positioning seat 4, the transmission mechanism 5 comprises a universal joint A501, a one-way wheel 502 is fixedly arranged on one end of the universal joint A501, a toggle rod 503 is fixedly arranged on the other end of the universal joint A501, an adjustment frame 504 is slidably arranged on the toggle rod 503, a rack 505 is fixedly arranged on the adjustment frame 504, and the adjustment frame 504 is arranged to slide and cooperate with the positioning seat 4. A plurality of meshing teeth 101 are rotatably connected and arranged on the workbench 1 near the one-way wheel 502 in a linear structure. A spring 102 is fixedly arranged at one end of the meshing tooth 101. The meshing tooth 101 is arranged to mesh with the one-way wheel 502 for transmission. A rotating rod 6 is rotatably connected and arranged on the positioning seat 4. A gear 601 is fixedly arranged at one end of the rotating rod 6. The gear 601 is arranged to mesh with the rack 505 for transmission. A rotating frame 7 is fixedly arranged on the rotating rod 6. An auxiliary unloading mechanism 8 is rotatably arranged on the rotating frame 7. A cleaning processing frame 9 is slidably arranged on the rotating rod 6.

[0036] See also Figure 3A fixing frame 201 is fixedly connected to one side of the lower die base 2, and a plurality of T-shaped positioning rods 202 are rotatably connected to the fixing frame 201.

[0037] See also Figure 4 The bottom end of the positioning seat 4 is arranged in a conical structure, and an electric push rod 401 is connected and fixedly arranged on the positioning seat 4. The electric push rod 401 is connected and fixedly arranged through the workbench 1, and an arc-shaped rack 402 is connected and fixedly arranged on the positioning seat 4.

[0038] See also Figure 6 The rotating frame 7 is provided with a rotating shaft 701 which is rotatably connected. An incomplete gear 702 is fixedly connected to one end of the rotating shaft 701. An adjusting wheel 703 is fixedly connected to the other end of the rotating shaft 701. The adjusting wheel 703 is meshed with the arc-shaped rack 402 for transmission. The rotating rod 6 drives the rotating frame 7 to rotate, so that when the auxiliary unloading mechanism 8 rotates to the top of the lower die seat 2, the adjusting wheel 703 is rotated under the action of the arc-shaped rack 402, and then the adjusting wheel 703 drives the incomplete gear 702 connected to the rotating shaft 701 to rotate.

[0039] See also Figure 7 The auxiliary unloading mechanism 8 includes a worm 801, which is rotatably connected to the rotating frame 7. Two bevel gears 802 are symmetrically connected and fixed on the worm 801. The bevel gears 802 are meshingly and transmission-arranged with the incomplete gear 702. Both ends of the worm 801 are meshingly and transmission-arranged with worm wheels 803. A connecting rod group 804 is connected and fixedly arranged on the worm wheel 803. One end of the connecting rod group 804 is rotatably connected to the rotating frame 7. An auxiliary unloading plate 805 is connected and fixedly arranged between the other ends of the two connecting rod groups 804. The incomplete gear 702 drives the worm 801 connected to the bevel gear 802 to rotate forward and reverse, so that the worm 801 drives the connecting rod group 804 connected to the worm wheel 803 to rotate, so that the connecting rod group 804 drives the auxiliary unloading plate 805 to move up and down, thereby pushing the desktop plate stuck in the lower die seat 2 out of the lower die seat 2 to complete unloading.

[0040] See also Figure 8 A rotating sleeve 901 is fixedly connected to one end of the cleaning frame 9, and the rotating sleeve 901 is connected to the workbench 1 for rotation. The inner wall of the rotating sleeve 901 is slidably matched with the rotating rod 6. Two rollers 902 are rotatably connected to the cleaning frame 9, and a motor 903 is fixedly connected to one end of one of the rollers 902. A belt 904 is frictionally driven between the two rollers 902. The belt 904 has multiple openings, and multiple brushes 905 are fixedly connected to the belt 904. The motor 903 drives the roller 902 to rotate, so that the roller 902 drives the belt 904 to rotate, and the brush 905 on the belt 904 cleans the bottom of the upper mold base 3.

[0041] A fan blade 906 is rotatably connected to the inner wall of the middle part of the cleaning and processing frame 9, and a universal joint B907 is fixedly connected to one end of the fan blade 906. The other end of the universal joint B907 passes through the inner wall of the cleaning and processing frame 9 and extends to the outside and is fixedly connected to a transmission wheel 908. An annular rack 909 is fixedly connected to the roller shaft 902 near the transmission wheel 908, and the annular rack 909 is meshed with the transmission wheel 908 for transmission. A filter bucket 910 is slidably matched with the inner wall of the middle part of the cleaning and processing frame 9. The annular rack 909 on the roller shaft 902 will drive the transmission wheel 908 to rotate, so that the transmission wheel 908 drives the fan blade 906 connected to the universal joint B907 to rotate, so that the cleaned particles are collected in the cleaning and processing frame 9 and filtered through the filter bucket 910, and then the air flowing through the filter bucket 910 will clean the surface of the plate below.

[0042] The following is combined with the above-mentioned lifting table sheet metal continuous stamping positioning device, which specifically includes the following steps:

[0043] When the lifting table needs to be punched, the plate is placed between a plurality of T-shaped positioning rods 202, and then placed on the lower die seat 2, and then the upper die seat 3 is moved downward, so that a plate of a table plate is punched out of the plate, and then the feeding device is used to continue to drive the plate to feed, at this time, the electric push rod 401 is used to drive the positioning seat 4 to move downward, so that the positioning seat 4 is inserted into the groove punched out of the plate, and the plate is positioned;

[0044] Then after stamping, while driving the positioning seat 4 to move upward, under the action of the meshing teeth 101, the one-way wheel 502 will rotate 180 degrees, thereby driving the toggle rod 503 connected to the universal joint A501 to rotate 180 degrees. When the toggle rod 503 rotates 180 degrees, the other end of the toggle rod 503 will slide in the adjustment frame 504, thereby driving the adjustment frame 504 to move to one side, thereby driving the connected rack 505 to move. At this time, the rack 505 will drive the gear 601 to rotate, thereby driving the rotating rod 6 connected to the gear 601 to rotate, and then the electric push rod 401 will stop driving the positioning seat 4 to move upward;

[0045] At this time, the rotating rod 6 will drive the rotating frame 7 to rotate, so that when the auxiliary unloading mechanism 8 rotates to the top of the lower die seat 2, the adjusting wheel 703 will rotate under the action of the arc-shaped rack 402, and then the adjusting wheel 703 will drive the incomplete gear 702 connected to the rotating shaft 701 to rotate, so that the incomplete gear 702 will mesh with one of the bevel gears 802, thereby driving the worm 801 to rotate clockwise, and then when the incomplete gear 702 meshes with the other bevel gear 802, it will drive the worm 801 connected to the bevel gear 802 to rotate counterclockwise, realizing the forward and reverse rotation of the worm 801, so that the worm 801 drives the connecting rod group 804 connected to the worm wheel 803 to rotate, so that the connecting rod group 804 drives the auxiliary unloading plate 805 to move up and down, thereby pushing the desktop plate stuck in the lower die seat 2 out of the lower die seat 2 to complete the unloading;

[0046] At the same time, when the rotating frame 7 rotates, it will drive the cleaning frame 9 connected to the rotating sleeve 901 to rotate, so that the cleaning frame 9 moves to the bottom of the upper mold base 3. At this time, the motor 903 is used to drive the roller 902 to rotate, so that the roller 902 drives the belt 904 to rotate. At this time, the brush 905 on the belt 904 will clean the bottom of the upper mold base 3. At the same time, the annular rack 909 on one of the rollers 902 will drive the transmission wheel 908 to rotate, so that the transmission wheel 908 drives the fan blade 906 connected to the universal joint B907 to rotate, so that the cleaned particles are collected in the cleaning frame 9 and filtered through the filter bucket 910, and then the flowing air through the filter bucket 910 will clean the surface of the plate below;

[0047] Then, the electric push rod 401 is used to continue to drive the positioning seat 4 to move upward, and at this time, the one-way wheel 502 will be driven to continue to rotate 180 degrees, so that the toggle rod 503 continues to rotate 180 degrees, thereby driving the adjustment frame 504 to move in the opposite direction, thereby driving the connected rack 505 to move in the opposite direction. At this time, the rack 505 will drive the rotating rod 6 connected to the gear 601 to reverse, thereby driving the rotating frame 7, the auxiliary unloading mechanism 8 and the cleaning rack 9 to rotate in the opposite direction, so that the rotating frame 7, the auxiliary unloading mechanism 8 and the cleaning rack 9 are reset. When the positioning seat 4 moves downward, since one end of the meshing tooth 101 is connected and fixed with a spring 102, the meshing tooth 101 will not engage with the one-way wheel 502 at this time, so that the one-way wheel 502 will not rotate when moving downward.

[0048] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A lifting table sheet metal continuous stamping positioning device, characterized in that: include: A workbench (1), wherein a lower die seat (2) is fixedly mounted on the workbench (1), an upper die seat (3) is mounted above the workbench (1), a positioning seat (4) is slidably mounted above the workbench (1), a transmission mechanism (5) is rotatably connected to the positioning seat (4), the transmission mechanism (5) comprises a universal joint A (501), one end of the universal joint A (501) is connected and fixedly mounted with a one-way wheel (502), the other end of the universal joint A (501) is connected and fixedly mounted with a toggle rod (503), an adjustment frame (504) is slidably mounted on the toggle rod (503), a rack (505) is connected and fixedly mounted on the adjustment frame (504), the adjustment frame (504) and the positioning seat (4) are rotatably connected to each other. ) is arranged for sliding cooperation, a plurality of meshing teeth (101) are rotatably connected and arranged in a linear structure near the one-way wheel (502) on the workbench (1), one end of the meshing teeth (101) is connected and fixedly arranged with a spring (102), and the meshing teeth (101) and the one-way wheel (502) are arranged for meshing transmission, a rotating rod (6) is rotatably connected and arranged on the positioning seat (4), one end of the rotating rod (6) is connected and fixedly arranged with a gear (601), and the gear (601) and the rack (505) are arranged for meshing transmission, a rotating frame (7) is connected and fixedly arranged on the rotating rod (6), an auxiliary unloading mechanism (8) is rotatably arranged on the rotating frame (7), and a cleaning processing frame (9) is slidably arranged on the rotating rod (6).

2. The continuous stamping positioning device for sheet metal of a lifting table according to claim 1, characterized in that: A fixing frame (201) is fixedly connected to one side of the lower die base (2), and a plurality of T-shaped positioning rods (202) are rotatably connected to the fixing frame (201).

3. The continuous stamping and positioning device for sheet metal of a lifting table according to claim 1, characterized in that: The bottom end of the positioning seat (4) is provided with a conical structure, an electric push rod (401) is connected and fixedly provided on the positioning seat (4), the electric push rod (401) is connected and fixedly provided through the workbench (1), and an arc-shaped rack (402) is connected and fixedly provided on the positioning seat (4).

4. The continuous stamping and positioning device for sheet metal of a lifting table according to claim 3, characterized in that: A rotating shaft (701) is provided on the rotating frame (7) for rotational connection, one end of the rotating shaft (701) is connected and fixedly provided with an incomplete gear (702), and the other end of the rotating shaft (701) is connected and fixedly provided with an adjusting wheel (703), and the adjusting wheel (703) is meshed and transmission-arranged with the arc-shaped rack (402).

5. The continuous stamping and positioning device for sheet metal of a lifting table according to claim 4, characterized in that: The auxiliary unloading mechanism (8) comprises a worm (801), the worm (801) being rotatably connected to the rotating frame (7), two bevel gears (802) being symmetrically connected and fixedly arranged on the worm (801), the bevel gears (802) being meshingly transmission-arranged with the incomplete gear (702), worm wheels (803) being meshingly transmission-arranged at both ends of the worm (801), a connecting rod group (804) being connected and fixedly arranged on the worm wheel (803), one end of the connecting rod group (804) being rotatably connected to the rotating frame (7), and an auxiliary unloading plate (805) being connected and fixedly arranged between the other ends of the two connecting rod groups (804).

6. The continuous stamping and positioning device for sheet metal of a lifting table according to claim 1, characterized in that: A rotating sleeve (901) is fixedly provided at one end of the cleaning and processing frame (9), the rotating sleeve (901) and the workbench (1) are rotatably connected, the inner wall of the rotating sleeve (901) and the rotating rod (6) are slidably matched, two rollers (902) are rotatably provided on the cleaning and processing frame (9), one end of one of the rollers (902) is fixedly provided with a motor (903), a belt (904) is frictionally transmitted between the two rollers (902), a plurality of openings are provided on the belt (904), and a plurality of brushes (905) are fixedly provided on the belt (904).

7. The sheet metal continuous stamping positioning device for a lifting table according to claim 6, characterized in that: A fan blade (906) is rotatably connected to the inner wall of the middle part of the cleaning and processing frame (9); one end of the fan blade (906) is connected and fixedly provided with a universal joint B (907); the other end of the universal joint B (907) passes through the inner wall of the cleaning and processing frame (9) and extends to the outside and is connected and fixedly provided with a transmission wheel (908); an annular rack (909) is connected and fixedly provided on the roller shaft (902) close to the transmission wheel (908); the annular rack (909) is meshed with the transmission wheel (908) for transmission; and a filter bucket (910) is slidably provided on the inner wall of the middle part of the cleaning and processing frame (9).

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