Punching device for sheet metal machining

Abstract

The utility model discloses a sheet metal processing and punching device which comprises a processing table, two bearing seats, a pressing and fixing structure, a mounting seat, a movable seat structure, a lifting seat structure, a punching mechanism and a dust collecting structure, a plurality of supporting legs are arranged at the bottom of the processing table, and the number of the bearing seats is two. The two bearing seats are erected and mounted on the upper end face of the machining table through the multiple supporting legs, the pressing and fixing structure is mounted on the upper end faces of the two bearing seats, and the mounting seat is in an L shape and fixedly mounted on the side, close to the back face of the machining table, of the upper end face of the machining table. Two sliding grooves are longitudinally formed in the bottom of the L-shaped turning face of the mounting base. The dust collection device can effectively prevent a large amount of metal dust generated during punching from drifting to nearby air to harm nearby workers, is good in dust collection effect, greatly improves the use safety of the device, and is high in overall practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing equipment, in particular to a sheet metal processing punching device. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching, cutting, compounding, folding, welding, riveting, splicing, forming, etc. Its most notable feature is that the thickness of the same part is consistent. The products processed by the sheet metal process are called sheet metal parts. The sheet metal parts referred to in different industries are generally different, and are mostly used for assembly. Sheet metal processing requires multiple processes, and punching is one of them. When punching holes in sheet metal parts, a punching device is required, as follows.

[0003] After searching, the patent with the authorization publication number CN217702339U discloses a punching device for sheet metal processing, including a base, a plurality of shock-absorbing springs are provided on the top outer surface of the base, an electric push rod is fixedly installed on the left outer surface of the support frame, a crank is fixedly connected to the center of the right outer surface of the turntable, a lead screw is fixedly connected to the center of the left outer surface of the turntable, an L-shaped limit rod is provided on the outer surface movable sleeve of the support rod, a motor is fixedly installed at the bottom of the hydraulic rod, and a drill is fixedly threadedly connected to the output end of the motor. The punching device for sheet metal processing roughly adjusts the position of the drill bit by the electric push rod in conjunction with the support plate, fine-tunes the position of the drill bit by shaking the crank in conjunction with the turntable, the lead screw and the lead screw sleeve, and the L-shaped limit rod is fixedly limited to the turntable in conjunction with the limit block, so that the punching position is more accurate and the punching accuracy is improved.

[0004] However, the above patent still has the following aspects that can be optimized:

[0005] During the punching process of sheet metal parts, a large amount of metal dust is easily generated, and will drift into the nearby air in large quantities. Over time, it will endanger nearby workers and pose certain safety hazards. Therefore, its structure needs to be improved and its practicality needs to be improved. Utility Model Content

[0006] The purpose of the utility model is to provide a sheet metal processing punching device to solve the problem that a large amount of metal dust is easily generated during the punching process of sheet metal parts in the above-mentioned patent, and a large amount of metal dust will be dispersed into the nearby air. Over time, it will endanger nearby workers and there are certain safety hazards. Therefore, its structure needs to be improved and its practicality needs to be improved.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sheet metal processing punching device, comprising a processing table, a bearing seat, a clamping and fixing structure, a mounting seat, a movable seat structure, a lifting seat structure, a punching mechanism and a dust collecting structure, wherein a plurality of supporting legs are arranged at the bottom of the processing table, the bearing seat is provided with two, and the two bearing seats are both mounted on the upper end surface of the processing table through a plurality of supporting feet, the clamping and fixing structure is mounted on the upper end surfaces of the two bearing seats, the mounting seat is L-shaped, the mounting seat is fixedly mounted on the upper end surface of the processing table close to one side of its back side, two slide grooves are longitudinally opened at the bottom of the L-shaped turning surface of the mounting seat, and a movable groove penetrating between the two slide grooves is opened on the mounting seat, the movable seat structure is installed at the L-shaped turning surface of the mounting seat, the lifting seat structure is installed at the bottom of the movable seat structure, the punching mechanism is installed at the bottom of the lifting seat structure, the dust collecting structure is installed at the top of the mounting seat and at the lifting seat structure, and the position of the dust collecting structure matches the position of the punching mechanism.

[0008] Preferably, the clamping and fixing structure includes a mounting plate, a clamping plate and a clamping knob, and the clamping and fixing structure is provided with two groups, the mounting plate is L-shaped, and the two mounting plates are respectively fixedly installed on the upper end surfaces of the two bearing seats close to the back side thereof, and the clamping plate is installed at the bottom of the L-shaped turning surface of the mounting plate through a plurality of telescopic connecting rods, one end of the clamping knob passes through the top of the mounting plate by screwing, and the bottom end of the clamping knob is rotatably connected to the top of the clamping plate through a rotating connecting piece, and an anti-slip pad layer is fitted at the bottom of the clamping plate.

[0009] Preferably, the movable seat structure includes a movable plate, a motor and a screw rod. The top of the movable plate is slidably connected to two slide grooves through a plurality of sliding connectors. The motor is fixedly mounted on the back side of the mounting seat through a mounting member. The screw rod is rotatably mounted on the top of the mounting seat through two bearing seats. A slider is screwed on the outside of the screw rod, and the bottom end of the slider passes through the movable groove and is fixedly connected to the top of the movable plate.

[0010] Preferably, the lifting seat structure includes a cylinder and a lifting plate, the cylinder is fixedly installed at the bottom of the movable plate, the top of the lifting plate is fixedly connected to the telescopic end of the cylinder, and the punching mechanism is fixedly installed at the bottom of the lifting plate.

[0011] Preferably, the dust collecting structure includes a dust box, an exhaust fan and a dust hood, the dust collecting structure is provided with two groups, the two dust boxes are fixedly mounted on the upper end surface of the mounting base, the two dust boxes are respectively close to the two sides of the mounting base, the front of the dust box is provided with a box door, the box door is sealedly connected to the dust box when closed, the internal movable card of the dust box is equipped with a filter, the exhaust fan is fixedly mounted on the top of the mounting base, the exhaust end of the exhaust fan is connected to the interior of the dust box, the exhaust fan is close to the filter, the dust box is provided with a duct A connected to the interior at a side away from the exhaust fan, and the top of the dust hood is provided with a duct B, the two dust hoods are respectively fixedly mounted on the lifting plate in a through-type through the duct B, and the two dust hoods are both obliquely angled towards the punching mechanism, and the duct A and duct B are connected by a hose.

[0012] Preferably, a waste box is movably provided at the upper end surface of the processing table, and the waste box is located between the two bearing seats.

[0013] The utility model provides a sheet metal processing punching device, which has the following beneficial effects:

[0014] The utility model is provided with a processing table, a bearing seat, a clamping and fixing structure, a mounting seat, a movable seat structure, a lifting seat structure, a punching mechanism and a dust collecting structure, so that when punching a sheet metal part, the sheet metal part can be mounted on the two bearing seats and clamped and fixed by the clamping and fixing structure. At this time, the movable seat structure can cooperate with the lifting seat structure to drive the punching mechanism to move back and forth and up and down to perform a punching process on the sheet metal part. In the punching process, a large amount of dust generated during the punching can be centrally pumped and collected in the dust collecting box through the dust collecting structure, thereby effectively preventing a large amount of dust from floating into the nearby air and causing physical harm to the staff, greatly reducing safety hazards, and because the dust collecting hood in the dust collecting structure moves with the position of the punching mechanism, the dust collecting effect is better and the overall practicality is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the mounting base of the utility model when viewed from above;

[0017] Figure 3 This is a schematic diagram of the top view of the screw rod installation structure of the utility model;

[0018] Figure 4 It is a front view schematic diagram of the installation of the filter screen of the utility model.

[0019] In the figure: 1. processing table; 2. bearing seat; 3. mounting seat; 4. punching mechanism; 5. slide groove; 6. movable groove; 7. mounting plate; 8. clamping plate; 9. clamping knob; 10. telescopic connecting rod; 11. movable plate; 12. motor; 13. screw rod; 14. slider; 15. cylinder; 16. lifting plate; 17. dust box; 18. exhaust fan; 19. dust hood; 20. box door; 21. filter screen; 22. duct A; 23. duct B; 24. waste box. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] like Figure 1-4 As shown, the utility model provides a technical solution: a sheet metal processing punching device, including a processing table 1, a bearing seat 2, a clamping and fixing structure, a mounting seat 3, a movable seat structure, a lifting seat structure, a punching mechanism 4 and a dust collection structure, a plurality of supporting legs are arranged at the bottom of the processing table 1, two bearing seats 2 are arranged, and the two bearing seats 2 are mounted on the upper end surface of the processing table 1 through a plurality of supporting legs, the clamping and fixing structure is installed on the upper end surfaces of the two bearing seats 2, the mounting seat 3 is L-shaped, and the mounting seat 3 is fixedly installed on The upper end surface of the processing table 1 is close to one side of its back side, and two slide grooves 5 are longitudinally opened at the bottom of the L-shaped turning surface of the mounting seat 3. The mounting seat 3 is opened with a penetrating movable groove 6 between the two slide grooves 5. The movable seat structure is installed at the L-shaped turning surface of the mounting seat 3, the lifting seat structure is installed at the bottom of the movable seat structure, the punching mechanism 4 is installed at the bottom of the lifting seat structure, and the dust collecting structure is installed at the top of the mounting seat 3 and the lifting seat structure, and the position of the dust collecting structure matches the position of the punching mechanism 4.

[0022] The clamping and fixing structure includes a mounting plate 7, a clamping plate 8 and a clamping knob 9. The clamping and fixing structure is provided with two groups. The mounting plate 7 is L-shaped. The two mounting plates 7 are respectively fixedly mounted on the upper end surfaces of the two bearing seats 2 close to the back side thereof. The clamping plate 8 is mounted at the bottom of the L-shaped turning surface of the mounting plate 7 through a plurality of telescopic connecting rods 10. One end of the clamping knob 9 penetrates the top of the mounting plate 7 by screwing. The bottom end of the clamping knob 9 is rotatably connected to the top of the clamping plate 8 through a rotating connecting piece. The bottom of the clamping plate 8 is fitted with an anti-slip pad layer, so that the sheet metal can be mounted on the two bearing seats 2 during work. Then, the clamping knob 9 can be rotated to drive the clamping plate 8 to move down until the two clamping plates 8 are both in contact with the top of the sheet metal, so that the sheet metal can be well clamped and fixed, thereby improving its stability during subsequent punching processing.

[0023] The movable seat structure includes a movable plate 11, a motor 12 and a screw rod 13. The top of the movable plate 11 is slidably connected to the two slide grooves 5 through a plurality of sliding connectors. The motor 12 is fixedly installed on the back side of the mounting seat 3 through a mounting member. The screw rod 13 is rotatably installed on the top of the mounting seat 3 through two bearing seats. The outer portion of the screw rod 13 is screwed with a slider 14. The bottom end of the slider 14 passes through the movable groove 6 and is fixedly connected to the top of the movable plate 11, so that the screw rod 13 can be driven to rotate by starting the motor 12, thereby cooperating with the slider 14 and the two slide grooves 5 to drive the movable plate 11 to move forward and backward, and then drive the punching mechanism 4 to move forward and backward;

[0024] It can be understood that the motor 12 is a brake motor;

[0025] The lifting seat structure includes a cylinder 15 and a lifting plate 16. The cylinder 15 is fixedly installed at the bottom of the movable plate 11. The top of the lifting plate 16 is fixedly connected to the telescopic end of the cylinder 15. The punching mechanism 4 is fixedly installed at the bottom of the lifting plate 16, so that the lifting plate 16 can be driven to move up and down by the extension and contraction of the cylinder 15, thereby driving the punching mechanism 4 to move up and down.

[0026] The dust collecting structure comprises a dust collecting box 17, an exhaust fan 18 and a dust collecting hood 19. The dust collecting structure is provided with two groups. The two dust collecting boxes 17 are fixedly mounted on the upper end surface of the mounting seat 3. The two dust collecting boxes 17 are respectively close to the two sides of the mounting seat 3. The front of the dust collecting box 17 is provided with a box door 20. The box door 20 is sealedly connected to the dust collecting box 17 when closed. The internal movable card of the dust collecting box 17 is equipped with a filter screen 21. The exhaust fan 18 is fixedly mounted on the top of the mounting seat 3. The exhaust end of the exhaust fan 18 is connected to the inside of the dust collecting box 17. The exhaust fan 18 is close to the filter screen 21. The dust collecting box 17 is provided with a duct A22 connected to the inside thereof at a side away from the exhaust fan 18. The top of the dust collecting hood 19 is provided with a duct B23. The two dust collecting hoods 19 They are respectively fixedly installed at the lifting plate 16 in a through-type through the conduit B23, and the two dust hoods 19 are both obliquely oriented toward the punching mechanism 4, and the conduit A22 and the conduit B23 are connected by a hose, so that when the punching mechanism 4 moves forward and backward or up and down, the two dust hoods 19 can also move forward and backward or up and down accordingly, so that when punching the sheet metal parts, the two exhaust fans 18 can work together with the dust box 17, the conduit A22 and the conduit B23 to generate suction at the dust hood 19, and then a large amount of metal dust generated during the punching process can be sucked into the dust box 17, and intercepted by the filter 21 and retained in the dust box 17, which is convenient for subsequent centralized cleaning and processing, effectively avoiding a large amount of metal dust from floating into the nearby air and endangering the staff, and greatly reducing safety hazards;

[0027] A waste box 24 is movably provided at the upper end surface of the processing table 1, and the waste box 24 is located between the two supporting seats 2. The waste box 24 can receive larger debris that naturally falls during the punching process, which effectively facilitates the subsequent centralized cleaning of the debris.

[0028] Working principle: During operation, the sheet metal part can be mounted on two bearing seats 2, and then the pressing knob 9 can be turned to drive the pressing plate 8 to move down until the two pressing plates 8 are in contact with the top of the sheet metal part, so that the sheet metal part can be well pressed and fixed, thereby improving its stability during subsequent punching processing. Then, the motor 12 can be started to drive the screw rod 13 to rotate, thereby cooperating with the slider 14 and the two slide grooves 5 to drive the movable plate 11 to move forward and backward, and then drive the punching mechanism 4 to move forward and backward, and the lifting plate 16 can be driven up and down by the extension and contraction of the cylinder 15, thereby driving the punching mechanism 4 up and down. When the punching mechanism 4 moves forward and backward or up and down, the two dust hoods 19 can also move forward and backward or up and down accordingly, so that when punching the sheet metal parts, the two exhaust fans 18 can cooperate with the dust box 17, the duct A22 and the duct B23 to generate suction at the dust hood 19, and then a large amount of metal dust generated during the punching process is sucked into the dust box 17, and is intercepted by the filter 21 and retained in the dust box 17, which is convenient for subsequent centralized cleaning and processing, effectively avoiding a large amount of metal dust from floating into the nearby air and endangering the staff, and greatly reducing safety hazards.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sheet metal processing and punching device, comprising a processing table (1), a bearing seat (2), a pressing and fixing structure, a mounting seat (3), a movable seat structure, a lifting seat structure, a punching mechanism (4) and a dust collecting structure, characterized in that: The processing table (1) is provided with a plurality of supporting legs at the bottom, the bearing seat (2) is provided with two, the two bearing seats (2) are both mounted on the upper end surface of the processing table (1) through a plurality of supporting feet, the clamping and fixing structure is mounted on the upper end surfaces of the two bearing seats (2), the mounting seat (3) is L-shaped, the mounting seat (3) is fixedly mounted on the upper end surface of the processing table (1) close to the back side thereof, two slide grooves (5) are longitudinally opened at the bottom of the L-shaped turning surface of the mounting seat (3), the mounting seat (3) is provided with a penetrating movable groove (6) between the two slide grooves (5), the movable seat structure is mounted on the L-shaped turning surface of the mounting seat (3), the lifting seat structure is mounted at the bottom of the movable seat structure, the punching mechanism (4) is mounted at the bottom of the lifting seat structure, the dust collecting structure is mounted on the top of the mounting seat (3) and the lifting seat structure, and the position of the dust collecting structure matches the position of the punching mechanism (4).

2. A sheet metal processing punching device according to claim 1, characterized in that: The clamping and fixing structure comprises a mounting plate (7), a clamping plate (8) and a clamping knob (9). The clamping and fixing structure is provided with two groups. The mounting plate (7) is L-shaped. The two mounting plates (7) are respectively fixedly mounted on the upper end surfaces of the two bearing seats (2) close to the back side thereof. The clamping plate (8) is mounted on the bottom of the L-shaped turning surface of the mounting plate (7) through a plurality of telescopic connecting rods (10). One end of the clamping knob (9) penetrates the top of the mounting plate (7) by screw connection. The bottom end of the clamping knob (9) is rotatably connected to the top of the clamping plate (8) through a rotating connecting piece. The bottom of the clamping plate (8) is fitted with an anti-slip pad layer.

3. A sheet metal processing punching device according to claim 1, characterized in that: The movable seat structure comprises a movable plate (11), a motor (12) and a screw rod (13); the top of the movable plate (11) is slidably connected to two slide grooves (5) via a plurality of sliding connectors; the motor (12) is fixedly mounted on one side of the back side of the mounting seat (3) via a mounting member; the screw rod (13) is rotatably mounted on the top of the mounting seat (3) via two bearing seats; a slider (14) is screwed onto the outside of the screw rod (13); the bottom end of the slider (14) passes through a movable groove (6) and is fixedly connected to the top of the movable plate (11).

4. A sheet metal processing punching device according to claim 1, characterized in that: The lifting seat structure comprises a cylinder (15) and a lifting plate (16); the cylinder (15) is fixedly mounted at the bottom of the movable plate (11); the top of the lifting plate (16) is fixedly connected to the telescopic end of the cylinder (15); and the punching mechanism (4) is fixedly mounted at the bottom of the lifting plate (16).

5. The sheet metal processing punching device according to claim 1, characterized in that: The dust collecting structure comprises a dust collecting box (17), an exhaust fan (18) and a dust collecting cover (19). The dust collecting structure is provided with two groups. The two dust collecting boxes (17) are fixedly mounted on the upper end surface of the mounting seat (3). The two dust collecting boxes (17) are respectively close to the two sides of the mounting seat (3). The front of the dust collecting box (17) is provided with a box door (20). When the box door (20) is closed, it is sealedly connected to the dust collecting box (17). The internal movable card of the dust collecting box (17) is equipped with a filter screen (21). The exhaust fan (18) is fixedly mounted on the top of the mounting seat (3). The exhaust end of the exhaust fan (18) is connected to the inside of the dust box (17). The exhaust fan (18) is close to the filter (21). The dust box (17) is provided with a duct A (22) connected to the inside thereof at a side away from the exhaust fan (18). A duct B (23) is provided at the top of the dust hood (19). The two dust hoods (19) are respectively fixedly installed on the lifting plate (16) in a through-type manner through the duct B (23). The two dust hoods (19) are both inclined toward the punching mechanism (4). The duct A (22) and the duct B (23) are connected by a hose.

6. The sheet metal processing punching device according to claim 1, characterized in that: A waste box (24) is movably provided at the upper end surface of the processing table (1), and the waste box (24) is located between the two bearing seats (2).

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