A device for cutting corners of formed metal covers

Abstract

The present invention relates to the technical field of machine tool workpiece positioning, and in particular to a device for cutting the corners of formed metal covers, comprising a machine tool platform main body, a workpiece conveying platform fixedly installed on the upper end of the machine tool platform main body, an electric-controlled transmission belt for transmission is arranged inside the workpiece conveying platform, an electric-controlled cutting machine is arranged above the electric-controlled transmission belt, and a plurality of placement components for positioning the metal cover are arranged outside the electric-controlled transmission belt, each placement component includes two pressing components. The present invention places the metal cover between two grab plates, limits the pulling plate by the long baffle plates on both sides, and positions the metal cover at the center position of the opposite sides of two side clamps, so that the metal cover is stably positioned on the electric-controlled transmission belt for transportation toward the electric-controlled cutting machine, blocks the two side clamps and positions the metal cover below the electric-controlled cutting machine, thereby improving the stable cutting workmanship effect of the burrs on the corners of the metal cover.

Description

Technical Field

[0001] The invention relates to the technical field of machine tool workpiece positioning, in particular to a device for cutting corners of formed metal covers. Background Art

[0002] A lid refers to a covering object on the top of a vessel or open object. It is generally round or square in shape and can block dust and pollutants. Lids are mostly made of metal, plastic or other materials. During the processing of a metal lid, the plate needs to be punched into a round iron sheet first, and then punched into a lid-like structure through a shaping device. During the punching process, burrs may appear on the edges and corners of the metal lid due to punching errors. Therefore, the burrs on the edges and corners of the metal lid need to be cut. When cutting the burrs on the metal lid, the metal lid needs to be positioned and placed on the machine tool. In particular, when cutting the burrs on multiple metal lids, an electric-controlled conveyor belt is used to transport the multiple metal lids. Since the metal lids are continuously transported on the conveyor belt, the metal lids are prone to positional deviation when being transported on the conveyor belt, thereby affecting the cutting effect of the burrs on the edges and corners of the metal lids. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a device for cutting corners of formed metal covers.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a device for cutting the corners of formed metal covers, comprising a machine tool body, a workpiece conveying platform is fixedly installed on the upper end of the machine tool body, the upper end center of the workpiece conveying platform is set to an opening shape, an electric-controlled transmission belt for transmission is arranged inside the workpiece conveying platform, an electric-controlled cutting machine for trimming the metal cover is arranged above the electric-controlled transmission belt, the electric-controlled cutting machine is installed on the outside of the machine tool body, long baffles are fixedly installed on both sides of the outside of the workpiece conveying platform, two seesaws are symmetrically installed below the outside of the workpiece conveying platform, the opposite sides of the two long baffles are set to a hollow shape, a plurality of placement components for positioning the metal cover are arranged on the outside of the electric-controlled transmission belt, each placement component includes two pressing components, a gap is left between the two pressing components, each pressing component includes a side clamping plate, the side clamping plate is fixedly connected to the electric-controlled transmission belt by bolts, and a lateral notch is opened on the outside of the side clamping plate, and the lateral groove The inside of the mouth is provided with a clamping assembly for clamping the metal cover, the outside of the side clamping plate is fixedly connected with a convex plate, the outside of the convex plate is fixedly connected with a convex platform, and the inside of the side slot is provided with a loosening assembly for assisting the metal cover to cut materials, the loosening assembly includes a fixing rod and a pushing plate, the fixing rod is fixedly connected to the outside of the side clamping plate, the outside of the pushing plate is provided with an outer slot, one end of the fixing rod away from the side clamping plate is movably connected to the inside of the outer slot, the inner movable sleeve of the fixing rod is provided with a transmission rod, the transmission rod is fixedly connected to the inside of the outer slot, the outer movable sleeve of the transmission rod is provided with a transverse spring, the two ends of the transverse spring are respectively fixedly connected to the side of the fixing rod facing the inner wall of the outer slot, the pushing plate is laterally movable on the outside of the fixing rod by the tensile elastic force provided by the transverse spring, the loosening assembly also includes a rotating rod and a butt plate, the rotating rod is rotatably connected to the inside of the lateral slot, and the rotating rod is fixedly connected to the inside of the butt plate, the butt plate rotates inside the lateral slot through the rotating rod, and one end of the butt plate is fitted with the curved end of the pull plate.

[0005] As a preferred technical solution of the present invention, the clamping assembly includes a transverse plate, a connecting plate and a grab plate. The transverse plate movably penetrates the side clamping plate and extends to the inside of the lateral groove. The connecting plate is arranged on the side of the transverse plate away from the lateral groove. The grab plate is fixedly connected to one end of the connecting plate away from the transverse plate. The end of the transverse plate away from the connecting plate is fixedly connected with a pull plate. The pull plate is an L-shaped plate body. The clamping assembly also includes a limiting groove. The limiting groove is arranged inside the side clamping plate. The inside of the limiting groove is movably connected to the limiting plate. The limiting plate is fixedly connected to the outside of the transverse plate. The transverse plate is connected to the limiting plate through the limiting plate. The limit groove is used for lateral movement inside the side clamping plate, and a limit assembly for assisting the metal cover in positioning is arranged at one end of the grab plate away from the connecting plate. An empty groove is arranged on the side of the horizontal plate away from the side clamping plate, and the connecting plate is movably connected to the inside of the empty groove, and a transverse T-shaped rod is fixedly connected to the inside of the empty groove. The connecting plate is movably sleeved on the outside of the transverse T-shaped rod, and the connecting plate is limited inside the empty groove by the T-shaped end of the transverse T-shaped rod. A sleeve spring is movably sleeved on the outside of the transverse T-shaped rod, and the two ends of the sleeve spring are respectively fixedly connected to the side of the connecting plate facing the inside of the empty groove.

[0006] As a preferred technical solution of the present invention, a transmission assembly for stopping the movement of the side clamping plate is arranged on the outside of the workpiece conveying table, and the transmission assembly includes a sliding table and a stop rod, the sliding table is fixedly connected to the outside of the machine tool body, the stop rod movably passes through the sliding table and extends to the outside of the sliding table, the stop rod is overlapped on the outside of the boss located below the electric-controlled cutting machine, and the boss is resisted by the stop rod so that the boss drives the side clamping plate and the metal cover to be positioned below the electric-controlled cutting machine, and the transmission assembly also includes a turntable, an electric-controlled motor and a tilting rod, and the electric-controlled motor is fixedly connected to the workpiece conveying table. The outside of the turntable is fixedly connected to the output shaft of the electronically controlled motor, and the turntable is driven to rotate by the output shaft of the electronically controlled motor. The outside of the turntable is fixedly connected to a guide plate, and the tilting rod is fixedly connected to the outside of the baffle rod. An inner notch is provided inside the sliding table, and two short plates are movably connected inside the inner notch. The opposite sides of the two short plates are respectively fixedly connected to the two sides of the outside of the baffle rod, and the outside of each short plate is fixedly connected to an elastic rope, and the end of the elastic rope away from the short plate is fixedly connected to the inside of the inner notch, and the baffle rod moves inside the inner notch through the two short plates and the elastic rope.

[0007] As a preferred technical solution of the present invention, a storage assembly for storing processed metal covers is arranged below the outside of the workpiece conveying platform, and the storage assembly includes a storage box, which is fixedly connected to the outside of the machine tool body, and an upper notch is opened on the side of the storage box close to the workpiece conveying platform, and a unloading platform is fixedly connected inside the upper notch, and a filter plate is fixedly inlaid on the outside of the unloading platform, and a waste storage drawer is arranged below the filter plate, and the waste storage drawer movably passes through the outside of the storage box and extends to the inside of the unloading platform, and a support plate is fixedly connected to the side of the storage box close to the workpiece conveying platform, and a top plate is fixedly connected to the side of the support plate away from the storage box, and a ball is rotatably inlaid on the side of the top plate away from the support plate, and the side of the ball away from the top plate is attached to the surface of the electric control transmission belt, and the ball is located in the gap between the two pressing assemblies.

[0008] As a preferred technical solution of the present invention, the limit assembly includes a sliding groove mouth, which is opened on the side of the grab plate away from the connecting plate, and the inside of the sliding groove mouth is movably connected with a spring piece. The limit assembly also includes short grooves opened on both sides of the sliding groove mouth, and each short groove is slidably connected with a sliding rod. The two sliding rods are respectively movably mounted on both sides of the inside of the spring piece, and the spring piece moves inside the sliding groove mouth through the sliding rod and the short groove.

[0009] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0010] 1. By placing the metal cover between the two side clamps and the two grab plates, the pull plate is limited by the long baffles on both sides, so that the two grab plates and the connecting plate are subjected to the tension elasticity generated by the sleeve spring and cooperate with the two spring pieces, the metal cover is positioned at the center position of the two side clamps facing each other, so that the metal cover is stably positioned on the electric control transmission belt and transported in the direction of the electric control cutting machine, and at the same time cooperates with the baffle rod to block the moving boss, block the two side clamps and position the metal cover under the electric control cutting machine, thereby improving the stable cutting workmanship effect of the burrs on the corners of the metal cover.

[0011] 2. After the metal cover is cut, the electric control transmission belt continues to drive the metal cover to transmit and drive the metal cover to the upper position of the storage box. When the electric control transmission belt drives the two side card plates and the metal cover to move to the position of the seesaw, the seesaw pushes the push plate to make the push plate move from the outside of the fixed rod to the inside of the lateral slot. The push plate moves and pushes one end of the abutment plate and makes the other end of the push plate drive the pull plate to move to the outside of the side card plate. The pull plate drives the cross plate and makes the connecting plate and the grab plate move to the side away from the metal cover. At the same time, the top plate and the rolling ball are cooperated. The rolling ball fits the surface of the electric control transmission belt and rotates with the transmission of the electric control transmission belt. When the electric control transmission belt drives the metal cover to contact the top plate and the rolling ball, the top plate and the rolling ball push the metal cover and cooperate with the release component to release the metal cover, so that the metal cover quickly breaks away from between the two side card plates and falls into the inside of the upper slot for collection, thereby achieving the effect of quickly collecting the cut metal cover.

[0012] 3. When the metal cover is lowered into the upper notch, the metal cover first falls onto the surface of the filter plate and then slides down into the upper notch by gravity. When the metal cover falls onto the surface of the filter plate, the waste generated after the edge cutting of the metal cover falls from the filter plate into the waste collection box for collection, thereby achieving the effect of separating the waste from the metal cover.

[0013] 4. The output shaft of the electronically controlled motor drives the turntable and causes the guide plate to rotate. The guide plate rotates and contacts the tilting rod and pulls the baffle rod inside the sliding table, causing the baffle rod to move and separate from the boss. At this time, the electronically controlled transmission belt drives the next metal cover to move toward the electronically controlled cutting machine again. At the same time, after the guide plate rotates and separates from the tilting rod, the contraction tension generated by the elastic rope drives the short plate and resets the baffle rod to re-block and position the metal cover, thereby facilitating the device to perform reciprocating stable positioning of the metal cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 For the present invention Figure 1 A partial schematic diagram of the structure of the machine tool body viewed from above;

[0016] Figure 3 It is a structural schematic diagram of the side card board of the present invention;

[0017] Figure 4 For the present invention Figure 3 Schematic diagram of the partial structure of the middle side pallet;

[0018] Figure 5 For the present invention Figure 3 A schematic diagram of the partial cross-sectional structure of the middle side pallet;

[0019] Figure 6 For the present invention Figure 5 A schematic diagram of the side structure of the middle side pallet;

[0020] Figure 7 It is a structural schematic diagram of the electronically controlled motor of the present invention;

[0021] Figure 8 It is a structural schematic diagram of the sliding table of the present invention;

[0022] Fig. 9 It is a structural schematic diagram of the storage box of the present invention;

[0023] Fig.10 It is a schematic cross-sectional structural diagram of the horizontal plate of the present invention;

[0024] Fig.11 It is a schematic diagram of the spring structure of the present invention;

[0025] Fig.12 For the present invention Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0026] Fig.13 For the present invention Figure 2 Schematic diagram of the local enlarged structure at point B in the middle.

[0027] Among them: 10, machine tool body; 11, workpiece transfer table; 12, electric control transmission belt; 13, electric control cutting machine; 14, seesaw; 15, long baffle; 20, side clamp; 21, convex plate; 22, convex platform; 23, fixed rod; 24, transverse spring; 25, outer notch; 26, recursive plate; 27, transmission rod; 28, lateral notch; 29, stop plate; 210, rotating rod; 30, sliding table; 31, baffle rod; 32, turntable; 33, electric control motor; 34, seesaw rod; 35 , guide plate; 36, inner notch; 37, short plate; 38, elastic rope; 40, storage box; 41, filter plate; 42, support plate; 43, top plate; 44, upper notch; 45, unloading table; 46, waste storage drawer; 47, rolling ball; 50, cross plate; 51, connecting plate; 52, grab plate; 53, pull plate; 54, sleeve spring; 55, empty notch; 56, horizontal T-bar; 57, limit plate; 58, limit notch; 60, slide notch; 61, short notch; 62, spring piece; 63, slide rod. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific examples. However, the following examples are only preferred examples of the present invention, not all of them. Based on the examples in the implementation mode, other examples obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified. The materials, reagents, etc. used in the following examples are all commercially available unless otherwise specified. Example

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Fig.12 and Fig.13The device for cutting the edges and corners of a formed metal cover shown in the figure comprises a machine tool body 10, a workpiece conveying platform 11 is fixedly installed on the upper end of the machine tool body 10, the upper end center of the workpiece conveying platform 11 is set to be open, an electric control transmission belt 12 for transmission is arranged inside the workpiece conveying platform 11, an electric control cutting machine 13 for trimming the metal cover is arranged above the electric control transmission belt 12, the electric control cutting machine 13 is installed outside the machine tool body 10, long baffles 15 are fixedly installed on both sides of the outside of the workpiece conveying platform 11, and the outside of the workpiece conveying platform 11 is provided with a plurality of electric control cutting machines 13 for trimming the metal cover. Two seesaw plates 14 are symmetrically installed below, and the sides of the two long baffles 15 facing each other are set to be hollow. The outside of the electric control transmission belt 12 is provided with a plurality of placement components for positioning the metal cover, each placement component includes two pressing components, and a gap is left between the two pressing components. Each pressing component includes a side clamping plate 20, and the side clamping plate 20 is fixedly connected to the electric control transmission belt 12 by bolts. A lateral notch 28 is opened on the outside of the side clamping plate 20, and a clamping component for clamping the metal cover is arranged inside the lateral notch 28. The side clamping plate 20 The outside of the convex plate 21 is fixedly connected to the outside of the convex plate 21, and the outside of the convex plate 21 is fixedly connected to the boss 22. A loosening component for assisting the metal cover in blanking is arranged inside the lateral notch 28, and the loosening component includes a fixed rod 23 and a reciprocating plate 26. The fixed rod 23 is fixedly connected to the outside of the side card plate 20, and the reciprocating plate 26 is provided with an outer notch 25 on the outside. The end of the fixed rod 23 away from the side card plate 20 is movably connected to the inside of the outer notch 25. The inside of the fixed rod 23 is movably sleeved with a transmission rod 27, which is fixedly connected to the inside of the outer notch 25. The outside of the transmission rod 27 The movable sleeve has a transverse spring 24, and the two ends of the transverse spring 24 are respectively fixedly connected to the side of the fixed rod 23 facing the inner wall of the outer slot 25. The push plate 26 moves laterally outside the fixed rod 23 through the tensile elastic force provided by the transverse spring 24. The relaxation component also includes a rotating rod 210 and a push plate 29. The rotating rod 210 is rotatably connected to the inside of the lateral slot 28, and the rotating rod 210 is fixedly connected to the inside of the push plate 29. The push plate 29 rotates inside the lateral slot 28 through the rotating rod 210, and one end of the push plate 29 is in contact with the curved end of the pull plate 53.

[0030] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Fig.10As shown, the clamping assembly includes a transverse plate 50, a connecting plate 51 and a grab plate 52. The transverse plate 50 movably penetrates the side card plate 20 and extends to the inside of the lateral slot 28. The connecting plate 51 is arranged on the side of the transverse plate 50 away from the lateral slot 28. The grab plate 52 is fixedly connected to one end of the connecting plate 51 away from the transverse plate 50. The end of the transverse plate 50 away from the connecting plate 51 is fixedly connected with a pull plate 53. The pull plate 53 is an L-shaped plate body. The clamping assembly also includes a limiting slot 58. The limiting slot 58 is arranged inside the side card plate 20. The inside of the limiting slot 58 is movably connected to the limiting plate 57. The limiting plate 57 is fixedly connected to the outside of the transverse plate 50. The transverse plate 50 is connected to the limiting plate 57 through the limiting plate 57. The positioning slot 58 is used to limit the lateral movement inside the side clamp 20, and a limiting component for assisting the positioning of the metal cover is provided at one end of the grab plate 52 away from the connecting plate 51. An empty slot 55 is provided on the side of the cross plate 50 away from the side clamp 20, and the connecting plate 51 is movably connected to the inside of the empty slot 55. A transverse T-shaped rod 56 is fixedly connected to the inside of the empty slot 55, and the connecting plate 51 is movably sleeved on the outside of the transverse T-shaped rod 56. The connecting plate 51 is limited inside the empty slot 55 by the T-shaped end of the transverse T-shaped rod 56, and a sleeve spring 54 is movably sleeved on the outside of the transverse T-shaped rod 56, and the two ends of the sleeve spring 54 are respectively fixedly connected to the side of the connecting plate 51 facing the inside of the empty slot 55.

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8The workpiece conveying platform 11 is provided with a transmission assembly for stopping the movement of the side clamping plate 20 on the outside. The transmission assembly includes a sliding platform 30 and a stopper 31. The sliding platform 30 is fixedly connected to the outside of the machine tool body 10. The stopper 31 movably penetrates the sliding platform 30 and extends to the outside of the sliding platform 30. The stopper 31 overlaps the outside of the boss 22 located below the electric-controlled cutting machine 13. The stopper 31 resists the boss 22 so that the boss 22 drives the side clamping plate 20 and the metal cover to move in the electric control The cutting machine 13 is positioned below, and the transmission assembly also includes a turntable 32, an electric control motor 33 and a tilting rod 34. The electric control motor 33 is fixedly connected to the outside of the workpiece conveying platform 11, and the turntable 32 is fixedly connected to the output shaft of the electric control motor 33. The turntable 32 is driven to rotate by the output shaft of the electric control motor 33. The outside of the turntable 32 is fixedly connected to a guide plate 35, and the tilting rod 34 is fixedly connected to the outside of the stop rod 31. The interior of the sliding table 30 is provided with an inner notch 36, and the inner notch The outer side of each short plate 37 is fixedly connected to the two sides of the outer side of the baffle rod 31, and an elastic rope 38 is fixedly connected to the outer side of each short plate 37. The end of the elastic rope 38 away from the short plate 37 is fixedly connected to the inner side of the inner notch 36. The baffle rod 31 moves inside the inner notch 36 through the two short plates 37 and the elastic rope 38. The output shaft of the electronically controlled motor 33 drives the turntable 32 and causes the guide plate 35 to rotate. The guide plate 35 rotates and contacts the tilting rod 34 and pulls the baffle rod 31 inside the sliding table 30, so that the baffle rod 31 moves and separates from the boss 22. At this time, the electronically controlled transmission belt 12 drives the next metal cover to move in the direction of the electronically controlled cutting machine 13 again. At the same time, after the guide plate 35 rotates and separates from the tilting rod 34, the contraction tension generated by the elastic rope 38 drives the short plate 37 and causes the baffle rod 31 to reset and re-block the metal cover for positioning, thereby facilitating the device to perform reciprocating stable positioning of the metal cover.

[0032] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Fig. 9 and Fig.13As shown, a storage assembly for storing processed metal covers is provided below the outside of the workpiece conveying platform 11, and the storage assembly includes a storage box 40, which is fixedly connected to the outside of the machine tool body 10, and an upper notch 44 is provided on the side of the storage box 40 close to the workpiece conveying platform 11, and a material unloading platform 45 is fixedly connected inside the upper notch 44, and a filter plate 41 is fixedly inlaid on the outside of the material unloading platform 45, and a waste storage drawer 46 is provided below the filter plate 41, and the waste storage drawer 46 is provided below the filter plate 41. The material storage drawer 46 movably passes through the outside of the storage box 40 and extends to the inside of the unloading platform 45. The side of the storage box 40 close to the workpiece transfer platform 11 is fixedly connected to the support plate 42, and the side of the support plate 42 away from the storage box 40 is fixedly connected to the top plate 43, and the side of the top plate 43 away from the support plate 42 is rotatably inlaid with a ball 47, and the side of the ball 47 away from the top plate 43 is in contact with the surface of the electric control transmission belt 12, and the ball 47 is located in the gap between the two pressing components.

[0033] See also Fig.10 and Fig.11 As shown, the limiting assembly includes a sliding groove mouth 60, which is opened on the side of the grab plate 52 away from the connecting plate 51, and the sliding groove mouth 60 is movably connected with a spring piece 62 inside. The limiting assembly also includes short grooves 61 opened on both sides of the sliding groove mouth 60, and each short groove 61 is slidably connected with a sliding rod 63 inside. The two sliding rods 63 are movably sleeved on both sides of the spring piece 62 respectively, and the spring piece 62 moves inside the sliding groove mouth 60 through the sliding rod 63 and the short groove 61.

[0034] Working principle:

[0035] When in use: the first step is to place the metal cover between the two side clamps 20 and between the two grab plates 52. The pull plate 53 is limited by the long baffle plates 15 on both sides, so that the two grab plates 52 and the connecting plate 51 are subjected to the tension elasticity generated by the sleeve spring 54 and cooperate with the two spring pieces 62 to position the metal cover at the center position of the opposite side of the two side clamps 20, so that the metal cover is stably transported on the electric control transmission belt 12 toward the electric control cutting machine 13, and at the same time cooperate with the baffle rod 31 to block the moving boss 22, so as to block the two side clamps 20 and position the metal cover under the electric control cutting machine 13.

[0036] In the second step, after the metal cover is cut, the electric control transmission belt 12 continues to drive the metal cover to be transmitted, and drives the metal cover to move to the upper position of the storage box 40. When the electric control transmission belt 12 drives the two side card plates 20 and the metal cover to the position of the seesaw 14, the seesaw 14 pushes the push plate 26 to move the push plate 26 from the outside of the fixed rod 23 to the inside of the lateral notch 28. The push plate 26 moves to push one end of the push plate 29 and the other end of the push plate 26 drives the pull plate 53 to move to the outside of the side card plate 20, and the pull plate 53 is pulled. The plate 53 drives the cross plate 50 and moves the connecting plate 51 and the grab plate 52 to the side away from the metal cover, and at the same time cooperates with the top plate 43 and the ball 47, the ball 47 is attached to the surface of the electric control transmission belt 12 and rotates following the transmission of the electric control transmission belt 12. When the electric control transmission belt 12 drives the metal cover to contact the top plate 43 and the ball 47, the top plate 43 and the ball 47 push the metal cover and cooperate with the release component to release the metal cover, so that the metal cover quickly detaches from between the two side clamps 20 and falls into the upper groove 44 for collection.

[0037] In the third step, when the metal cover is lowered into the upper slot 44, the metal cover first falls onto the surface of the filter plate 41 and then slides into the upper slot 44 by gravity. When the metal cover falls onto the surface of the filter plate 41, the waste generated after the edge cutting of the metal cover falls from the filter plate 41 into the waste storage drawer 46 for collection.

[0038] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A device for cutting edges and corners of formed metal covers, comprising a machine tool body (10), a workpiece conveying platform (11) being fixedly mounted on the upper end of the machine tool body (10), an electrically controlled transmission belt (12) for transmission being arranged inside the workpiece conveying platform (11), an electrically controlled cutting machine (13) for trimming the metal cover being arranged above the electrically controlled transmission belt (12), the electrically controlled cutting machine (13) being mounted outside the machine tool body (10), characterized in that: Long baffles (15) are fixedly mounted on both sides of the exterior of the workpiece conveying platform (11), two seesaws (14) are symmetrically mounted below the exterior of the workpiece conveying platform (11), and a plurality of placement components for positioning the metal cover are arranged on the exterior of the electric control transmission belt (12), each placement component including two pressing components; Each pressing assembly includes a side clamping plate (20), the side clamping plate (20) is fixedly connected to the electric control transmission belt (12) by means of bolts, a side notch (28) is provided on the outside of the side clamping plate (20), and a clamping assembly for clamping the metal cover is provided inside the side notch (28); The clamping assembly comprises a transverse plate (50), a connecting plate (51) and a grab plate (52); the transverse plate (50) movably penetrates the side clamping plate (20) and extends to the inside of the lateral notch (28); the connecting plate (51) is arranged on a side of the transverse plate (50) away from the lateral notch (28); the grab plate (52) is fixedly connected to an end of the connecting plate (51) away from the transverse plate (50); a pull plate (53) is fixedly connected to an end of the transverse plate (50) away from the connecting plate (51); a limit assembly for assisting the positioning of the metal cover is arranged on an end of the grab plate (52) away from the connecting plate (51); the outside of the side clamping plate (20) is fixedly connected to a convex plate (21); the outside of the convex plate (21) is fixedly connected to a boss (22); A transmission assembly for stopping the movement of the side clamping plate (20) is arranged outside the workpiece conveying platform (11), and the transmission assembly comprises a sliding platform (30) and a stop rod (31). The sliding platform (30) is fixedly connected to the outside of the machine tool platform body (10), and the stop rod (31) movably passes through the sliding platform (30) and extends to the outside of the sliding platform (30).

2. A device for cutting edges and corners of formed metal covers according to claim 1, characterized in that: The clamping assembly further comprises a limiting notch (58), the limiting notch (58) being arranged inside the side clamping plate (20), the limiting notch (58) being movably connected inside to the limiting plate (57), and the limiting plate (57) being fixedly connected to the outside of the transverse plate (50).

3. The device for cutting corners of formed metal covers according to claim 2, characterized in that: A hollow slot (55) is formed on a side of the transverse plate (50) away from the side clamping plate (20); the connecting plate (51) is movably connected to the inside of the hollow slot (55); a transverse T-shaped rod (56) is fixedly connected to the inside of the hollow slot (55); the connecting plate (51) is movably sleeved on the outside of the transverse T-shaped rod (56); a sleeve spring (54) is movably sleeved on the outside of the transverse T-shaped rod (56); two ends of the sleeve spring (54) are respectively fixedly connected to the side of the connecting plate (51) facing the inside of the hollow slot (55).

4. The device for cutting corners of formed metal covers according to claim 3, characterized in that: The limit assembly comprises a slide groove opening (60), the slide groove opening (60) being arranged on a side of the gripping plate (52) away from the connecting plate (51), and a spring piece (62) being movably connected inside the slide groove opening (60); The limiting assembly also includes short slots (61) formed on both sides of the slide slot opening (60), each short slot (61) is slidably connected to a slide rod (63), and the two slide rods (63) are movably sleeved on both sides of the spring sheet (62).

5. The device for cutting corners of formed metal covers according to claim 1, characterized in that: A loosening assembly for assisting the blanking of the metal cover is arranged inside the lateral notch (28), the loosening assembly comprising a fixing rod (23) and a reciprocating plate (26), the fixing rod (23) being fixedly connected to the outside of the side clamping plate (20), the reciprocating plate (26) being provided with an outer notch (25), one end of the fixing rod (23) away from the side clamping plate (20) being movably connected to the inside of the outer notch (25), the fixing rod (23) being internally movably sleeved with a transmission rod (27), the transmission rod (27) being fixedly connected to the inside of the outer notch (25), the external movably sleeved with a transverse spring (24), the two ends of the transverse spring (24) being respectively fixedly connected to the sides of the fixing rod (23) facing the inner wall of the outer notch (25); The release assembly further comprises a rotating rod (210) and a stop plate (29). The rotating rod (210) is rotatably connected to the inside of the lateral notch (28), and the rotating rod (210) is fixedly connected to the inside of the stop plate (29). The stop plate (29) is rotated inside the lateral notch (28) via the rotating rod (210), and one end of the stop plate (29) is in contact with the curved end of the pull plate (53).

6. The device for cutting corners of formed metal covers according to claim 1, characterized in that: The transmission assembly further comprises a turntable (32), an electric control motor (33) and a tilting rod (34); the electric control motor (33) is fixedly connected to the outside of the workpiece conveying platform (11); the turntable (32) is fixedly connected to the output shaft of the electric control motor (33); the turntable (32) is driven to rotate by the output shaft of the electric control motor (33); a guide plate (35) is fixedly connected to the outside of the turntable (32); and the tilting rod (34) is fixedly connected to the outside of the blocking rod (31).

7. The device for cutting corners of formed metal covers according to claim 1, characterized in that: An inner notch (36) is provided inside the sliding platform (30), and two short plates (37) are movably connected inside the inner notch (36). The two short plates (37) have opposite sides fixedly connected to two sides of the outside of the blocking rod (31), and each short plate (37) has an elastic rope (38) fixedly connected to the outside, and one end of the elastic rope (38) away from the short plate (37) is fixedly connected to the inside of the inner notch (36). The blocking rod (31) moves inside the inner notch (36) through the two short plates (37) and the elastic rope (38).

8. The device for cutting corners of formed metal covers according to claim 1, characterized in that: A storage assembly for storing processed metal covers is arranged below the outside of the workpiece conveying platform (11), the storage assembly comprising a storage box (40), the storage box (40) being fixedly connected to the outside of the machine tool body (10), an upper notch (44) being provided on a side of the storage box (40) close to the workpiece conveying platform (11), a material unloading platform (45) being fixedly connected inside the upper notch (44), a filter plate (41) being fixedly inlaid on the outside of the material unloading platform (45), a waste material storage drawer (46) being arranged below the filter plate (41), the waste material storage drawer (46) movably passing through the outside of the storage box (40) and extending to the inside of the material unloading platform (45).

9. The device for cutting corners of formed metal covers according to claim 8, characterized in that: A side of the storage box (40) close to the workpiece conveying platform (11) is fixedly connected to a support plate (42), a side of the support plate (42) away from the storage box (40) is fixedly connected to a top plate (43), a side of the top plate (43) away from the support plate (42) is rotatably inlaid with a rolling ball (47), and a side of the rolling ball (47) away from the top plate (43) is in contact with the surface of the electric control transmission belt (12).

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