Rounding equipment for plates

Abstract

The utility model belongs to the technical field of plate processing, and particularly relates to a rounding device for plates, which comprises a workbench. The rounding mechanism comprises a milling cutter and a bearing, and the milling cutter and the bearing are both rotationally connected to the workbench. The abutting mechanism comprises an abutting frame, a pressing plate, a vertical driving assembly and a transverse driving assembly. The lower end of the abutting frame is movably arranged on the upper surface of the workbench. The abutting frame is located on one side of the milling cutter. The vertical driving assembly is arranged on the abutting frame, the driving end of the vertical driving assembly is vertically downward and is connected with the upper surface of the pressing plate, and one side of a wood plate is arranged between the pressing plate and the workbench; the transverse driving assembly is arranged on the workbench, and the driving end of the transverse driving assembly is connected with the side face, away from the milling cutter, of the abutting frame. The driving end of the pushing mechanism abuts against one end of the wood plate. The direction in which the driving end of the pushing mechanism drives the wood plate to move is perpendicular to the direction in which the transverse driving assembly drives the abutting frame to move, and rounding is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate processing, and in particular relates to a device for rounding corners of plate materials. Background Art

[0002] Panel furniture is a type of disassembled and assembled furniture that uses artificial boards as the main base material and wood boards as the basic structure. After the initial processing of the wood boards, their edges need to be rounded to improve their comfort during use and to avoid injuries caused by right-angled edges during daily use.

[0003] In the prior art, a device for processing rounded corners of a wooden board is provided, wherein a milling cutter and a bearing coaxially arranged with the milling cutter are rotatably arranged on a workbench, wherein the bearing is arranged above the milling cutter, and the tangent direction of the surface of the milling cutter is tangent to the outer peripheral surface of the bearing. When processing the wooden board, a worker is required to hold the wooden board, place the surface of one side of the wooden board to be processed against the outer peripheral surface of the bearing, and then push the wooden board to move, and the milling cutter processes the edges of the wooden board.

[0004] When using the above method, the milling cutter has a reaction force on the wooden board during the processing, and the wooden board and the bearing are in line contact. The worker needs to press the wooden board against the bearing and move the wooden board along the outer surface of the bearing to ensure the accuracy of the processed fillet. However, during the operation, the force point when holding the wooden board and the contact point between the wooden board and the bearing are not in the same position, which makes the operation very inconvenient and very labor-intensive. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a device for rounding corners of sheet materials to solve the problem that in the existing devices for rounding corners of wooden boards, workers need to press the wooden board against the bearing and move the wooden board along the outer circumferential surface of the bearing to ensure the accuracy of the rounded corners. However, during the operation, the force application point when holding the wooden board and the contact point between the wooden board and the bearing are not in the same position, which makes the operation very inconvenient and labor-intensive.

[0006] The technical solution adopted by the utility model is as follows: a device for rounding corners of sheet materials, comprising a workbench;

[0007] A chamfering mechanism, the chamfering mechanism comprising a milling cutter and a bearing, the milling cutter and the bearing are both rotatably connected to the workbench, and the bearing is located above the milling cutter;

[0008] An abutment mechanism, the abutment mechanism comprising an abutment frame, a pressure plate, a vertical drive assembly and a horizontal drive assembly;

[0009] The lower end of the abutment frame is movably arranged on the upper surface of the workbench, and the abutment frame is located on one side of the milling cutter;

[0010] The vertical drive assembly is arranged on the abutment frame, the drive end of the vertical drive assembly is vertically downward and connected to the upper surface of the pressing plate, one side of the wooden board is placed between the pressing plate and the workbench, the upper and lower surfaces of the wooden board are respectively in contact with the lower surface of the pressing plate and the upper surface of the workbench, and the wooden board can be slidably fitted between the pressing plate and the workbench and slide along the length direction of the pressing plate;

[0011] The transverse drive assembly is arranged on the workbench, and the driving end of the transverse drive assembly is connected to the side of the abutment frame away from the milling cutter, and can drive the abutment frame to move toward the milling cutter, so that the two side surfaces of the wooden board abut against the side of the abutment frame facing the milling cutter and the outer peripheral surface of the bearing respectively;

[0012] A pushing mechanism, the pushing mechanism is arranged on the upper surface of the workbench and is located between the milling cutter and the abutment frame, the driving end of the pushing mechanism abuts against one end of the wooden board and can drive the wooden board to move along the length direction of the pressing plate;

[0013] The direction in which the driving end of the pushing mechanism drives the wooden board to move is perpendicular to the direction in which the transverse driving component drives the abutment frame to move.

[0014] Furthermore, the chamfering mechanism also includes a first motor, which is arranged at the bottom of the workbench. The driving shaft of the first motor passes through the workbench upward and is connected to the milling cutter and the bearing in sequence.

[0015] Furthermore, the vertical drive assembly includes a handwheel, a screw rod, a vertical rod and a limit block, the screw rod is vertically threadedly sleeved on the top of the abutment frame, the lower end of the screw rod passes through the top of the abutment frame and is rotatably connected to the upper surface of the pressure plate, the handwheel is arranged at the upper end of the screw rod, the vertical rod is provided with two, both of which are slidably sleeved on the top of the abutment frame, the two vertical rods are respectively located on both sides of the screw rod, the lower end of the vertical rod passes through the top of the abutment frame and is connected to the upper surface of the pressure plate, and the limit block is arranged at the upper end of the vertical rod.

[0016] Furthermore, the transverse drive assembly includes an electric push rod, a first slide groove, a slide rail and a slide seat, the electric push rod is arranged on the workbench, the driving end of the electric push rod is connected to the side of the abutment frame away from the milling cutter, the first slide groove is set in two and is set on the upper surface of the workbench, the two first slide grooves are respectively located on both sides of the electric push rod, the slide rail is set in two and is respectively located in the two first slide grooves, the slide seat is set in two and is respectively slidably assembled on the slide rails, the upper surface of the slide seat is connected to the lower end of the abutment frame, and the upper surface of the slide seat is flush with the upper surface of the workbench.

[0017] Furthermore, a plurality of rotatably connected conveying rollers are disposed on the lower surface of the pressing plate. The conveying rollers are distributed in an array along the length direction of the pressing plate, and the lower ends of the conveying rollers can fit with the upper surface of the wooden board.

[0018] Further, the pushing mechanism includes a second motor, a second slide slot, a lead screw, a lead screw nut, a slide rod and a pushing plate;

[0019] The second slide groove is arranged on the upper surface of the workbench and extends along the length direction of the pressure plate. The second motor is arranged on the side wall of the workbench. The driving end of the second motor penetrates through the side wall of the workbench and extends into the second slide groove and is connected to the lead screw. The lead screw is rotatably connected in the second slide groove. The slide rod is arranged in the second slide groove and is located below the lead screw. The lead screw nut is threadedly sleeved on the lead screw. The slide rod is slidably sleeved in the lead screw nut. The lead screw and the slide rod are both arranged along the length direction of the pressure plate.

[0020] The pushing plate includes a base plate and a vertical plate. The base plate is horizontally arranged on the upper surface of the screw nut, and the vertical plate is vertically arranged on the side of the upper surface of the base plate away from the milling cutter. The upper surface of the base plate is flush with the upper surface of the workbench, and the upper surface of the base plate can abut against the lower surface of the wooden board. The side of the vertical plate close to the milling cutter abuts against one end of the wooden board.

[0021] Furthermore, it also includes a cleaning mechanism, which includes a dust hood, a dust suction pipe and an exhaust fan. The rear side of the dust hood is open, and the dust hood is arranged on the front side of the milling cutter and the bearing. The exhaust fan is arranged under the workbench, and the exhaust fan is connected to the dust hood through the dust suction pipe.

[0022] Beneficial effects of the utility model:

[0023] When the side of the wooden board needs to be rounded, one end of the wooden board is abutted against the driving end of the pushing mechanism, and one side of the other end of the wooden board is in contact with the milling cutter and abuts against the outer peripheral surface of the bearing. At the same time, the other side of the wooden board is placed between the pressing plate and the workbench, and the pressing plate is driven downward by the vertical driving component until the lower surface of the pressing plate abuts against the upper surface of the wooden board, thereby achieving rounding of wooden boards of different thicknesses; the abutting frame is driven close to or away from the milling cutter by starting the horizontal driving component until the abutting frame is in position so that the other side of the wooden board can be placed in the abutting frame. The bracket abuts against the side surface of the abutment bracket facing the milling cutter to achieve chamfering of wooden boards of different widths; the pushing mechanism is started to push the wooden board toward the milling cutter along the length direction of the pressure plate. During this process, the rotating milling cutter cuts the edges of the wooden board, and there is no need for workers to push the wooden board for chamfering, which effectively saves manpower. In the process of moving the other side of the wooden board against the abutment bracket toward the side surface of the milling cutter, the side surface of the abutment bracket abutting against the wooden board plays a positioning role. At the same time, it serves as a force-bearing surface, which increases the force-bearing area, making the pushing mechanism more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model (first viewing angle);

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model (second viewing angle);

[0026] Figure 3 It is a structural schematic diagram of the pressing plate of the utility model;

[0027] Figure 4 It is a partial cross-sectional view of the working table and the first chute of the utility model;

[0028] Figure 5 It is a partial cross-sectional view of the working table and the second chute of the utility model;

[0029] The attached drawings are marked as follows:

[0030] Workbench 1, chamfering mechanism 2, milling cutter 21, bearing 22, first motor 23, abutment mechanism 3, abutment frame 31, pressure plate 32, conveying roller 33, vertical drive assembly 4, hand wheel 41, screw 42, vertical rod 43, limit block 44, horizontal drive assembly 5, electric push rod 51, first slide groove 52, slide rail 53, slide seat 54, pushing mechanism 6, second motor 61, second slide groove 62, lead screw 63, lead screw nut 64, slide rod 65, pushing plate 66, cleaning mechanism 7, dust hood 71, dust suction pipe 72, exhaust fan 73. DETAILED DESCRIPTION

[0031] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0032] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which 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 operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Embodiment 1:

[0035] like Figure 1 to Figure 5 As shown, a rounding device for sheet materials comprises a workbench 1;

[0036] A chamfering mechanism 2, wherein the chamfering mechanism 2 comprises a milling cutter 21 and a bearing 22, wherein the milling cutter 21 and the bearing 22 are both rotatably connected to the workbench 1, and the bearing 22 is located above the milling cutter 21;

[0037] An abutment mechanism 3, the abutment mechanism 3 comprising an abutment frame 31, a pressing plate 32, a vertical driving assembly 4 and a horizontal driving assembly 5;

[0038] The lower end of the abutment frame 31 is movably disposed on the upper surface of the workbench 1, and the abutment frame 31 is located on one side of the milling cutter 21;

[0039] The vertical drive assembly 4 is arranged on the abutment frame 31, and the driving end of the vertical drive assembly 4 is vertically downward and connected to the upper surface of the pressing plate 32. One side of the wooden board is placed between the pressing plate 32 and the workbench 1. The upper and lower surfaces of the wooden board are respectively in contact with the lower surface of the pressing plate 32 and the upper surface of the workbench 1. The wooden board can be slidably fitted between the pressing plate 32 and the workbench 1, and slide along the length direction of the pressing plate 32.

[0040] The transverse driving assembly 5 is arranged on the workbench 1, and the driving end of the transverse driving assembly 5 is connected to the side of the abutting frame 31 away from the milling cutter 21, and can drive the abutting frame 31 to move toward the milling cutter 21, so that the two side surfaces of the wooden board are respectively abutted against the side of the abutting frame 31 facing the milling cutter 21 and the outer peripheral surface of the bearing 22;

[0041] A pushing mechanism 6, which is arranged on the upper surface of the workbench 1 and is located between the milling cutter 21 and the abutment frame 31. The driving end of the pushing mechanism 6 abuts against one end of the wooden board and can drive the wooden board to move along the length direction of the pressing plate 32;

[0042] The direction in which the driving end of the pushing mechanism 6 drives the wooden board to move is perpendicular to the direction in which the transverse driving assembly 5 drives the abutment frame 31 to move.

[0043] As a preferred solution, the chamfering mechanism 2 further includes a first motor 23, which is arranged at the bottom of the workbench 1, and a driving shaft of the first motor 23 passes through the workbench 1 upward and is sequentially connected to the milling cutter 21 and the bearing 22. By arranging the first motor 23 to drive the milling cutter 21 and the bearing 22 to rotate, when the edge of the wooden board moves against the milling cutter 21, the rotating milling cutter 21 can chamfer the edge of the wooden board, and at the same time, the rotating bearing 22 can drive the side of the wooden board to move more stably, which is convenient for chamfering the side of the wooden board, and the processing efficiency is higher.

[0044] As a preferred embodiment, the vertical drive assembly 4 includes a handwheel 41, a screw rod 42, a vertical rod 43 and a limit block 44. The screw rod 42 is vertically threadedly sleeved on the top of the abutment frame 31, and the lower end of the screw rod 42 passes through the top of the abutment frame 31 and is rotatably connected to the upper surface of the pressure plate 32. The handwheel 41 is set at the upper end of the screw rod 42, and the vertical rod 43 is set as two, both of which are slidably sleeved on the top of the abutment frame 31. The two vertical rods 43 are respectively located on both sides of the screw rod 42, and the lower end of the vertical rod 43 passes through the top of the abutment frame 31 and is connected to the upper surface of the pressure plate 32, and the limit block 44 is set at the upper end of the vertical rod 43. Before rounding the corners, the vertical drive assembly 4 is used to adjust according to the different thicknesses of the wooden board. By turning the hand wheel 41 and driving the screw 42 to rotate, the lower end of the screw 42 rotates on the upper surface of the pressing plate 32, and can move vertically on the top of the abutment frame 31, and drive the pressing plate 32 and the sliding rods 65 on both sides of the pressing plate 32 to move vertically until the lower surface of the pressing plate 32 can abut on the upper surface of the inserted wooden board, and the wooden board can slide along the length direction of the pressing plate 32, so that the equipment can round the corners of wooden boards of different thicknesses.

[0045] As a preferred embodiment, the transverse drive assembly 5 includes an electric push rod 51, a first slide groove 52, a slide rail 53 and a slide seat 54. The electric push rod 51 is arranged on the workbench 1, and the driving end of the electric push rod 51 is connected to the side of the abutment frame 31 away from the milling cutter 21. The first slide groove 52 is set to two and is set on the upper surface of the workbench 1. The two first slide grooves 52 are respectively located on both sides of the electric push rod 51. The slide rail 53 is set to two and is respectively located in the two first slide grooves 52. The slide seat 54 is set to two and is respectively slidably assembled on the slide rail 53. The upper surface of the slide seat 54 is connected to the lower end of the abutment frame 31, and the upper surface of the slide seat 54 is flush with the upper surface of the workbench 1. Before chamfering, the lateral drive assembly 5 is adjusted according to the different widths of the wooden board, and the abutment frame 31 is driven to approach or move away from the milling cutter 21 by starting the electric push rod 51 until the position of the abutment frame 31 is reached, so that one side of the wooden board abuts on the milling cutter 21, and the other side can be placed in the abutment frame 31 and abut on the side wall of the abutment frame 31 facing the milling cutter 21, so that a wooden board of corresponding width can be placed between the milling cutter 21 and the abutment frame 31, so that the wooden board can slide between the milling cutter 21 and the abutment frame 31 along the length direction of the pressing plate 32, so that the equipment can chamfer wooden boards of different widths. In the process of moving one side of the wooden board against the abutment frame 31 toward the side surface of the milling cutter 21, the side surface of the abutment frame 31 plays a positioning role. At the same time, it acts as a force-bearing surface, which increases the force-bearing area, making the pushing mechanism 6 easier to operate.

[0046] As a preferred solution, the lower surface of the pressing plate 32 is provided with a plurality of rotatably connected conveying rollers 33, and the conveying rollers 33 are arranged in an array along the length direction of the pressing plate 32, and the lower ends of the conveying rollers 33 can fit the upper surface of the wooden board. By arranging a plurality of rotatably connected conveying rollers 33 in an array on the lower surface of the pressing plate 32, the wooden board is more stable when the pressing plate 32 and the workbench 1 move along the length direction of the pressing plate 32, and the conveying rollers 33 can drive the wooden board to move toward the milling cutter 21.

[0047] As a preferred embodiment, the pushing mechanism 6 includes a second motor 61, a second slide groove 62, a screw 63, a screw nut 64, a slide rod 65 and a pushing plate 66; the second slide groove 62 is arranged on the upper surface of the workbench 1 and extends along the length direction of the pressure plate 32, the second motor 61 is arranged on the side wall of the workbench 1, the driving end of the second motor 61 penetrates the side wall of the workbench 1 and extends into the second slide groove 62 and is connected to the screw 63, the screw 63 is rotatably connected in the second slide groove 62, the slide rod 65 is arranged in the second slide groove 62 and is located at the screw Below 63, the screw nut 64 is threadedly mounted on the screw 63, and the slide rod 65 is slidably mounted in the screw nut 64, and the screw 63 and the slide rod 65 are both arranged along the length direction of the pressure plate 32; the pushing plate 66 includes a bottom plate and a vertical plate, the bottom plate is horizontally arranged on the upper surface of the screw nut 64, and the vertical plate is vertically arranged on the side of the upper surface of the bottom plate away from the milling cutter 21, the upper surface of the bottom plate is flush with the upper surface of the workbench 1, the upper surface of the bottom plate can abut against the lower surface of the wooden board, and the side of the vertical plate close to the milling cutter 21 abuts against one end of the wooden board. When the wooden board is placed on the base plate, the end of the wooden board away from the milling cutter 21 is placed against the side wall of the vertical board, and the side surface of the other end of the wooden board is in contact with the milling cutter 21 and against the outer peripheral surface of the bearing 22. The second motor 61 is started to drive the lead screw 63 to rotate. The rotation of the lead screw 63 drives the lead screw nut 64 to move on the lead screw 63 and the slide rod 65, and can drive the pushing plate 66 to move, thereby driving the vertical board to push the wooden board toward the milling cutter 21. In this process, the rotating milling cutter 21 cuts the edges of the wooden board, and there is no need for workers to push the wooden board to round the corners, which effectively saves manpower.

[0048] As a preferred solution, a cleaning mechanism 7 is also included, and the cleaning mechanism 7 includes a dust hood 71, a dust pipe 72 and an exhaust fan 73. The rear side of the dust hood 71 is open, and the dust hood 71 is set on the front side of the milling cutter 21 and the bearing 22. The exhaust fan 73 is set below the workbench 1, and the exhaust fan 73 is connected to the dust hood 71 through the dust pipe 72. By setting the dust hood 71 on the front side of the milling cutter 21 and the bearing 22, and the exhaust fan 73 is connected to the dust hood 71 through the dust pipe 72, after the exhaust fan 73 is started, a negative pressure state is formed in the dust hood 71, and the wood chips generated by cutting during the processing can be sucked into the dust pipe 72 through the dust hood 71, and are sucked to the outside by the exhaust fan 73, so that the wood chips generated during the processing are cleaned in time to prevent the wood chips from being scattered on the workbench 1.

[0049] The working mode of the utility model is as follows:

[0050] During use, when it is necessary to round the side of the wooden board, the right end of the wooden board is placed on the bottom plate and abutted against the side wall of the vertical plate, the front side of the left end of the wooden board contacts the milling cutter 21 and abuts against the outer peripheral surface of the bearing 22, and at the same time, the rear side of the wooden board is placed between the pressing plate 32 and the workbench 1, and the screw 42 is rotated downward by turning the hand wheel 41 and the screw 42 to drive the pressing plate 32 to move downward until the lower end of the conveying roller 33 on the lower surface of the pressing plate 32 abuts against the upper surface of the wooden board, thereby achieving chamfering of wooden boards of different thicknesses; by starting the electric push rod 51 to drive the abutting frame 31 to approach or move away from the milling cutter 21 until the position of the abutting frame 31 is reached, so that the rear side can be placed in the abutting frame 31 and abut on the side surface of the abutting frame 31 facing the milling cutter 21, thereby achieving chamfering of wooden boards of different widths. The second motor 61 is started to drive the screw 63 to rotate, and the rotation of the screw 63 drives the screw nut 64 to move on the screw 63 and the slide bar 65, and can drive the pushing plate 66 to move, thereby driving the vertical plate to push the wooden board to move along the length direction of the pressing plate 32 toward the milling cutter 21. In this process, the first motor 23 is started at the same time to drive the milling cutter 21 and the bearing 22 to rotate, so that the rotating milling cutter 21 cuts the edges of the wooden board, and there is no need for workers to push the wooden board to chamfer, which effectively saves manpower. In the process of moving the rear side of the wooden board against the abutment frame 31 toward the side surface of the milling cutter 21, the side surface of the abutment frame 31 that abuts against the rear side of the wooden board plays a positioning role. At the same time, it serves as a force-bearing surface, which increases the force-bearing area, making the pushing mechanism 6 more convenient to operate.

[0051] The utility model is described in detail above. The description of the specific embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A rounding device for sheet metal, characterized in that: include Workbench (1); A chamfering mechanism (2), the chamfering mechanism (2) comprising a milling cutter (21) and a bearing (22), the milling cutter (21) and the bearing (22) being rotatably connected to the workbench (1), and the bearing (22) being located above the milling cutter (21); An abutment mechanism (3), the abutment mechanism (3) comprising an abutment frame (31), a pressure plate (32), a vertical drive assembly (4) and a horizontal drive assembly (5); The lower end of the abutment frame (31) is movably arranged on the upper surface of the workbench (1), and the abutment frame (31) is located on one side of the milling cutter (21); The vertical drive assembly (4) is arranged on the abutment frame (31), the drive end of the vertical drive assembly (4) is vertically downward and connected to the upper surface of the pressing plate (32), one side of the wooden board is placed between the pressing plate (32) and the workbench (1), the upper and lower surfaces of the wooden board are respectively in contact with the lower surface of the pressing plate (32) and the upper surface of the workbench (1), and the wooden board can be slidably fitted between the pressing plate (32) and the workbench (1), and slide along the length direction of the pressing plate (32); The transverse driving assembly (5) is arranged on the workbench (1), and the driving end of the transverse driving assembly (5) is connected to the side of the abutting frame (31) facing away from the milling cutter (21), and can drive the abutting frame (31) to move toward the milling cutter (21), so that the two side surfaces of the wooden board are respectively abutted against the side of the abutting frame (31) facing the milling cutter (21) and the outer peripheral surface of the bearing (22); A pushing mechanism (6), the pushing mechanism (6) being arranged on the upper surface of the workbench (1) and being located between the milling cutter (21) and the abutment frame (31), the driving end of the pushing mechanism (6) abutting against one end of the wooden board, and being able to drive the wooden board to move along the length direction of the pressing plate (32); The direction in which the driving end of the pushing mechanism (6) drives the wooden board to move is perpendicular to the direction in which the transverse driving component (5) drives the abutment frame (31) to move.

2. The device for rounding corners of sheet metal according to claim 1, characterized in that: The chamfering mechanism (2) further comprises a first motor (23), wherein the first motor (23) is arranged at the bottom of the workbench (1), and the driving shaft of the first motor (23) passes through the workbench (1) in an upward direction and is connected to the milling cutter (21) and the bearing (22) in sequence.

3. The rounding device for sheet metal according to claim 1, characterized in that: The vertical drive assembly (4) comprises a hand wheel (41), a screw rod (42), a vertical rod (43) and a limit block (44); the screw rod (42) is vertically threadedly sleeved on the top of the abutment frame (31); the lower end of the screw rod (42) passes through the top of the abutment frame (31) and is rotatably connected to the upper surface of the pressure plate (32); the hand wheel (41) is arranged at the upper end of the screw rod (42); the vertical rod (43) is arranged in two pieces, both of which are slidably sleeved on the top of the abutment frame (31); the two vertical rods (43) are respectively located on both sides of the screw rod (42); the lower end of the vertical rod (43) passes through the top of the abutment frame (31) and is connected to the upper surface of the pressure plate (32); and the limit block (44) is arranged at the upper end of the vertical rod (43).

4. The rounding device for sheet metal according to claim 1, characterized in that: The transverse drive assembly (5) comprises an electric push rod (51), a first slide groove (52), a slide rail (53) and a slide seat (54). The electric push rod (51) is arranged on the workbench (1). The driving end of the electric push rod (51) is connected to the side of the abutment frame (31) away from the milling cutter (21). The first slide groove (52) is provided in two numbers and is provided on the upper surface of the workbench (1). The two first slide grooves (52) are respectively located on both sides of the electric push rod (51). The slide rail (53) is provided in two numbers and is respectively located in the two first slide grooves (52). The slide seat (54) is provided in two numbers and is respectively slidably assembled on the slide rail (53). The upper surface of the slide seat (54) is connected to the lower end of the abutment frame (31). The upper surface of the slide seat (54) is flush with the upper surface of the workbench (1).

5. The device for rounding corners of sheet metal according to claim 1, characterized in that: The lower surface of the pressing plate (32) is provided with a plurality of rotatably connected conveying rollers (33), the conveying rollers (33) are distributed in an array along the length direction of the pressing plate (32), and the lower ends of the conveying rollers (33) can be in contact with the upper surface of the wooden board.

6. The device for rounding corners of sheet metal according to claim 1, characterized in that: The pushing mechanism (6) comprises a second motor (61), a second slide groove (62), a lead screw (63), a lead screw nut (64), a slide rod (65) and a pushing plate (66); The second slide groove (62) is arranged on the upper surface of the workbench (1) and extends along the length direction of the pressure plate (32). The second motor (61) is arranged on the side wall of the workbench (1). The driving end of the second motor (61) penetrates the side wall of the workbench (1) and extends into the second slide groove (62) and is connected to the lead screw (63). The lead screw (63) is rotatably connected in the second slide groove (62). The slide rod (65) is arranged in the second slide groove (62) and is located below the lead screw (63). The lead screw nut (64) is threadedly sleeved on the lead screw (63). The slide rod (65) is slidably sleeved in the lead screw nut (64). The lead screw (63) and the slide rod (65) are both arranged along the length direction of the pressure plate (32). The push plate (66) includes a bottom plate and a vertical plate, wherein the bottom plate is horizontally arranged on the upper surface of the lead screw nut (64), and the vertical plate is vertically arranged on the side of the upper surface of the bottom plate away from the milling cutter (21). The upper surface of the bottom plate is flush with the upper surface of the workbench (1), and the upper surface of the bottom plate can abut against the lower surface of the wooden board. The side of the vertical plate close to the milling cutter (21) abuts against one end of the wooden board.

7. The device for rounding corners of sheet metal according to claim 1, characterized in that: The invention also comprises a cleaning mechanism (7), the cleaning mechanism (7) comprising a dust hood (71), a dust suction pipe (72) and an exhaust fan (73), the rear side of the dust hood (71) is open, the dust hood (71) is arranged on the front side of the milling cutter (21) and the bearing (22), the exhaust fan (73) is arranged below the workbench (1), and the exhaust fan (73) is connected to the dust hood (71) through the dust suction pipe (72).

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