Pressing mechanism of shearing machine

Abstract

The invention relates to the technical field of shearing machines, in particular to a material pressing mechanism of a shearing machine, which comprises a pressing plate assembled on a machine body, a leveling assembly, a shearing assembly and a blanking assembly are assembled on the machine body, and a support table is connected to the machine body; the leveling assembly is arranged on a first floating frame, the right end of the first floating frame is rotationally connected to the machine body, and a first floating piece is arranged between the left end of the first floating frame and the machine body; the discharging assembly is arranged on a second floating frame, the left end of the second floating frame is rotationally connected to the machine body, and a second floating piece is arranged between the right end of the second floating frame and the machine body. A first pressing block is arranged at the top of the left end of the first floating frame, a second pressing block is arranged at the top of the right end of the second floating frame, and the top face of the first pressing block and the top face of the second pressing block abut against the bottom face of the pressing plate. Direct contact between the metal sheet and the supporting table can be remarkably reduced, and the problems of abrasion, displacement and deformation caused by sliding of the metal sheet on the supporting table in the prior art are solved.

Description

Technical Field

[0001] The invention relates to the technical field of shearing machines, and in particular to a material pressing mechanism of a shearing machine. Background Art

[0002] When processing metal sheets, shearing machines are one of the commonly used equipment. The main function of shearing machines is to cut metal sheets into the required size and shape. Shearing machines usually include a pressing mechanism, a shearing assembly and a feeding assembly. When cutting rolled metal sheets, the feeding end of the shearing machine is also equipped with a leveling assembly. Among them, the main function of the pressing mechanism is to fix the metal sheet during the shearing process to ensure the accuracy and stability of the shearing.

[0003] Referring to the Chinese patent document with authorization announcement number CN222133592U and announcement date December 10, 2024, entitled A thin steel plate cutting device, when in use, the steel plate coil is placed on the surface of the support roller, and the extrusion roller squeezes the steel plate onto the surface of the support roller. The support roller and the extrusion roller cooperate to straighten the unrolled steel plate coil, and the steel plate is conveyed forward to the surface of the support table and continues to move forward. When it moves to the required shearing position, the steel plate stops moving, and the shearing tool descends into the shearing groove to shear the steel plate on the surface of the support table.

[0004] Regarding the above-mentioned related technologies, during the conveying process of the metal sheet, the bottom surface of the metal sheet rubs against the top surface of the support table. The friction may cause scratches or scrapes on the surface of the metal sheet, affecting the appearance and the quality of subsequent painting or processing. The friction force of the support table on the metal sheet may also cause the metal sheet to be displaced during the conveying process, affecting the dimensional accuracy of the cutting. When the thickness of the metal sheet is small, the heat and force generated by the friction may also cause local deformation of the metal sheet. Summary of the invention

[0005] In view of this, the present invention provides a material pressing mechanism for a shearing machine, aiming to solve the technical problem in the prior art that a metal sheet may be damaged, deflected or deformed during the sliding process on a support table.

[0006] In order to solve the above technical problems, the present invention provides a material pressing mechanism of a shearing machine, which adopts the following technical solutions: a material pressing mechanism of a shearing machine, comprising a pressing plate mounted on a machine body and capable of vertical reciprocating motion, a leveling assembly, a shearing assembly and a material unloading assembly are also mounted on the machine body, and a support platform located below the shearing assembly is fixedly connected to the machine body; the leveling assembly is arranged on a floating frame 1, the right end of the floating frame 1 is rotatably connected to the machine body through a hinge shaft, a floating member 1 is arranged between the left end of the floating frame 1 and the machine body, and the floating member 1 can make Floating frame one floats up and down with the central axis of the right hinge shaft as the reference; the unloading assembly is arranged on floating frame two, the left end of floating frame two is rotatably connected to the machine body through the hinge shaft, and floating member two is arranged between the right end of floating frame two and the machine body, and floating member two can make floating frame two float up and down with the central axis of the left hinge shaft as the reference; the pressing plate abuts against the top surface of the support platform, a pressing block one is arranged on the top of the left end of floating frame one, and a pressing block two is arranged on the top of the right end of floating frame two, and the top surfaces of pressing block one and pressing block two are both abutted against the bottom surface of the pressing plate.

[0007] By adopting the above technical solution, during shearing, the pressing plate moves downward, and the pressing plate abuts against pressing block 1 and pressing block 2. Under the pushing action of the pressing plate, pressing block 1 and pressing block 2 move downward, thereby driving floating frame 1 and floating frame 2 to move. The left end of floating frame 1 moves downward, and the right end of floating frame 2 moves downward. The metal sheet moves downward until it is flat on the support table. The pressing plate cooperates with the support table, and the pressing plate presses the metal sheet on the support table downward and flattens the metal sheet. The shearing assembly shears the metal sheet at the support table, completing the shearing of the metal sheet. After the shearing is completed, the pressing plate moves upward, and under the action of floating member 1 and floating member 2, the left end of floating frame 1 moves upward, and the right end of floating frame 2 moves upward, so that the metal sheet moves upward to the top of the support table.

[0008] During shearing, the pressing plate and the support table cooperate to flatten the metal sheet and limit its position. During transportation, the metal sheet is lifted upward, and a gap is left between the metal sheet and the support table, which significantly reduces the direct contact between the metal sheet and the support table, solves the problems of wear, displacement and deformation caused by the metal sheet sliding on the support table, reduces the possibility of scratches on the surface of the metal sheet, and improves the surface quality of the product.

[0009] Optionally, the shearing assembly includes a support frame, an upper cutter and a lower cutter. A driving member for controlling the vertical reciprocating movement of the support frame is provided on the machine body. The upper cutter is connected to the support frame, and the lower cutter is fixedly connected to the machine body. The bottom surface of the support frame abuts against the left end of the top surface of the second pressing block.

[0010] By adopting the above technical scheme, the bottom surface of the support frame abuts against the top surface of the pressure block 2. During the shearing process, as the support frame and the upper cutter move downward, the upper cutter can slide and fit with the lower cutter, the pressure block 2 moves downward, and the right end of the floating frame 2 moves downward, so that the floating frame 2 and the blanking assembly move with the movement of the upper cutter, so that the blanking assembly can always provide good supporting force for the metal sheet, which is beneficial to maintaining the flatness of the metal sheet. The good supporting force is beneficial to reducing the displacement of the metal sheet during the shearing process, thereby improving the shearing accuracy, improving the compression deformation of the metal sheet, and reducing the probability of the metal sheet sliding or twisting due to insufficient support.

[0011] Optionally, the top surface of the pressure plate is connected to a sliding rod, the right side of the support frame is connected to a support plate, the sliding rod is vertically slidable and penetrates the support plate, a compression spring is sleeved on the sliding rod, and the two ends of the compression spring are respectively connected to the bottom surface of the support plate and the top surface of the pressure plate.

[0012] By adopting the above technical solution, the pressure plate is connected to the support frame through compression spring 1. When the support frame moves downward, the pressure plate moves downward and abuts against the top surface of the support platform. The support frame continues to move downward, and compression spring 1 is further compressed. The pressure of the pressure plate of compression spring 1 is transmitted to the support platform, thereby increasing the pressure of the pressure plate on the support platform, enhancing stability, and improving shearing accuracy. It can also adapt to a variety of different metal sheets, expand the scope of adaptation, simplify the operation process, and improve the convenience of operation.

[0013] Optionally, a horizontally extending fixed groove is opened on the right side of the support table, the left end of the floating frame one is connected to the driving member two, the output end of the driving member two is connected to the sliding block, the left end of the sliding block is slidably inserted into the fixed groove, the sliding block is connected to the driving member three, the output end of the driving member three is vertically downward and connected to the sliding block, the sliding block is rotatably connected to a horizontally set pressure roller, the right side surface of the pressure plate is tilted downward from left to right, and the pressure roller abuts against the right side surface of the pressure plate.

[0014] By adopting the above technical solution, the left end of the sliding block is slidably inserted into the fixed groove, which can limit the position of the floating frame one and improve the stability of the device. The vertical position of the pressure roller is controlled by the driving member three, and the pressure roller abuts against the right side of the pressure plate. Since the right side of the pressure plate is inclined, the leftward force applied by the pressure roller to the pressure plate is decomposed, and a part of it is decomposed into a downward force. The pressure of the pressure roller on the pressure plate is transmitted to the support platform, further improving the stability of the device.

[0015] Optionally, a roller is rotatably connected to the sliding block, and the roller is located below the pressure roller.

[0016] By adopting the above technical solution, the roller can provide support force for the metal sheet, reduce the downward bending of the metal sheet, ensure the flatness of the metal sheet, and always provide good support force for the metal sheet.

[0017] Optionally, a limiting plate is fixedly connected to the machine body, and the limiting plate can abut against the bottom surface of a left end of the floating frame.

[0018] By adopting the above technical solution, the downward movement distance of the floating frame is limited, the stability of the device is improved, and the flatness of the metal sheet located on the leveling component and the support platform is ensured.

[0019] Optionally, the floating member 1 includes a guide rod 1, a fixed block 1, a through slot 1 and two compression springs, the guide rod 1 is fixedly connected to the bottom of the left end of the floating frame 1, the fixed block 1 is fixedly connected to the machine body, the through slot 1 penetrates the fixed block 1 in the vertical direction, the guide rod 1 passes through the through slot 1, and a gap is left between the inner wall of the through slot 1 and the outer wall of the guide rod 1, the compression spring 2 is sleeved on the guide rod 1, and the two ends of the compression spring 2 are connected to the bottom surface of the floating frame 1 and the top surface of the fixed block 1 in sequence.

[0020] Optionally, the floating member 2 includes a guide rod 2, a fixed block 2, a through slot 2 and a compression spring 3. The guide rod 2 is placed vertically and fixedly connected to the machine body, the fixed block 2 is fixedly connected to the floating frame 2, the through slot 2 penetrates the fixed block 2 in the vertical direction, the guide rod 2 passes through the through slot 2, and a gap is left between the inner wall of the through slot 2 and the outer wall of the guide rod 2. The compression spring 3 is sleeved on the guide rod 2, and the two ends of the compression spring 3 are sequentially connected to the bottom surface of the fixed block and the machine body.

[0021] Optionally, the left end of the floating frame 1 is also equipped with a conveying assembly, and the conveying assembly is located between the pressure roller and the leveling assembly.

[0022] By adopting the above technical solution, the conveying component and the leveling component are both arranged on the floating frame, which is beneficial to maintaining the flatness of the metal sheet and reducing the probability of bending and deformation of the metal sheet.

[0023] Optionally, the conveying assembly includes two conveying rollers arranged in parallel, and a belt transmission member is provided between the two conveying rollers.

[0024] In summary, the present invention includes the following beneficial technical effects: 1. When transporting metal sheets, lift them up to leave a gap between them and the support platform. The metal sheets are rotated and transported on the rollers of the leveling assembly and the unloading assembly, which can significantly reduce the direct contact between the metal sheets and the support platform, thereby solving the problems of wear, displacement and deformation caused by the sliding of the metal sheets on the support platform, reducing the possibility of scratches on the surface of the metal sheets and improving the surface quality of the products.

[0025] 2. In the process of shearing the metal sheet by the cooperation of the upper cutter and the lower cutter, as the upper cutter moves downward, the right end of the floating frame 2 moves downward synchronously, so that the floating frame 2 can always provide good supporting force for the metal sheet, which is beneficial to maintain the flatness of the metal sheet. The good supporting force can reduce the displacement of the metal sheet during the shearing process, thereby improving the shearing accuracy.

[0026] 3. The pressure plate is connected to the support frame through a compression spring, which improves the automation level of the device, simplifies the operation process, and improves the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The overall structure of the embodiment of the present invention is shown in FIG. Figure 1 ; Figure 2 The overall structure of the embodiment of the present invention is shown in FIG. Figure 2 ; Figure 3 for Figure 2 A partial enlarged schematic diagram of part A; Figure 4 It is a structural schematic diagram of a connecting member and a floating frame 1 in an embodiment of the present invention; Figure 5 for Figure 4 A partial enlarged schematic diagram of part B; Figure 6 It is a schematic diagram of the structure of the shearing assembly and the pressing block 2 in an embodiment of the present invention; Figure 7 Schematic diagram of the structure of the pressing plate and the supporting platform in an embodiment of the present invention.

[0028] Description of the reference numerals: 1, machine body; 2, pressing plate; 3, leveling assembly; 31, leveling roller; 4, shearing assembly; 41, supporting frame; 42, upper cutter; 43, lower cutter; 5, unloading assembly; 51, unloading roller; 6, supporting platform; 7, connecting member; 71, sliding rod; 72, supporting plate; 73, compression spring 1; 8, floating frame 1; 81, pressing block 1; 82, limiting plate; 9, floating member 1; 91, guide Guide rod one; 92, fixed block one; 93, compression spring two; 10, floating frame two; 101, pressure block two; 11, floating member two; 111, guide rod two; 112, fixed block two; 113, compression spring three; 12, fixing member; 121, fixing groove; 122, driving member two; 123, sliding block; 124, driving member three; 125, sliding block; 126, pressure roller; 127, rotating roller; 13, conveying assembly. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention.

[0030] The following is combined with Figure 1 -Attached Figure 7 The present invention is described in further detail.

[0031] The embodiment of the present invention discloses a material pressing mechanism of a shearing machine. Figures 1 to 7 A material pressing mechanism of a shearing machine includes a machine body 1, a pressing plate 2, a processing unit and an auxiliary unit.

[0032] Reference Figure 1 and Figure 2 The body 1 is composed of a metal frame, including a base, columns, beams and other supporting structures, which are used to fix and support the various components of the entire equipment to ensure the stability of the equipment during operation. The body 1 is also equipped with an electrical control box, an operation panel and a drive system to control the operation of the drive cylinder, rotating motor, etc. on the equipment to achieve the operation and control of the equipment.

[0033] Reference Figure 4 and Figure 7 The pressing plate 2 is arranged above the machine body 1, and the pressing plate 2 can reciprocate in the vertical direction. The purpose of setting the pressing plate 2 is to limit the position of the metal sheet and flatten the metal sheet to facilitate shearing of the metal sheet.

[0034] Reference Figure 1 The processing unit includes a leveling component 3, a shearing component 4, a blanking component 5 and a supporting platform 6.

[0035] Reference Figure 1 The leveling assembly 3 is arranged at the right section of the machine body 1. The leveling assembly 3 is composed of a leveling roller 31, an adjustment device and a driving motor. There are two sets of leveling rollers 31, which are arranged in parallel. The metal sheet passes through the two sets of leveling rollers 31, thereby correcting the bending deformation of the metal sheet caused by long-term storage in a roll. Furthermore, by adjusting the distance between the two sets of leveling rollers 31, the device can adapt to materials of different thicknesses and hardnesses.

[0036] Reference Figure 4 and Figure 6, the shearing assembly 4 is arranged in the middle section of the machine body 1, and the shearing assembly 4 includes a support frame 41, an upper cutter 42, a lower cutter 43 and a driving member 1. The driving member 1 is assembled on the top of the machine body 1, and the output end of the driving member 1 is vertically downward and performs linear motion. The support frame 41 is fixedly connected to the output end of the driving member 1. By controlling the driving member 1, the support frame 41 is controlled to perform reciprocating motion in the vertical direction. The lower cutter 43 is fixedly connected to the machine body 1, and the upper cutter 42 is connected to the support frame 41. With the vertical reciprocating motion of the support frame 41, the upper cutter 42 cooperates with the lower cutter 43 to shear the metal sheet. Furthermore, the upper cutter 42 and the lower cutter 43 are usually made of cemented carbide or high-speed steel to maintain the sharpness of the shearing assembly 4. Specifically, the driving member 1 includes a linear output cylinder. In other embodiments, the driving member 1 can also be an electric push rod or a hydraulic cylinder.

[0037] Reference Figure 1 and Figure 2 The unloading component 5 is arranged at the left part of the machine body 1. The unloading component 5 includes a unloading roller 51 and a unloading motor. There are multiple unloading rollers 51, and the multiple unloading rollers 51 are arranged in parallel. The unloading motor is used to control the rotation of the unloading rollers 51. The multiple unloading rollers 51 maintain the same rotation direction, and then transport the metal sheet on the unloading rollers 51 to the left end of the machine body 1, so as to facilitate the storage of the sheared metal sheet.

[0038] Reference Figure 4 and Figure 7 The support platform 6 is arranged below the shearing assembly 4 and is fixedly connected to the machine body 1. The support platform 6 is used to provide stable support for the metal sheet. The support platform 6 cooperates with the pressing plate 2 to limit the position of the metal sheet so that the shearing assembly 4 can shear the metal sheet and avoid accidental displacement of the metal sheet during the shearing process.

[0039] Reference Figure 4 Specifically, the pressing plate 2 is connected to the left side of the support frame 41, and a connecting member 7 is provided between the pressing plate 2 and the support frame 41, and the connecting member 7 includes a sliding rod 71, a support plate 72 and a compression spring 73. The sliding rod 71 is fixedly connected to the top surface of the pressing plate 2, the sliding rod 71 is placed vertically, the support plate 72 is placed horizontally and fixedly connected to the right side of the support frame 41, the sliding rod 71 is vertically slidably penetrated through the support plate 72, the compression spring 73 is sleeved on the sliding rod 71, and the top and bottom ends of the compression spring 73 are fixedly connected to the bottom surface of the support plate 72 and the top surface of the pressing plate 2 in sequence.

[0040] Reference Figure 4 and Figure 7When the support frame 41 moves downward, the pressure plate 2 moves downward and abuts against the metal sheet located on the support platform 6. The pressure plate 2 cooperates with the support platform 6 to limit the position of the metal sheet located on the support platform 6. The support frame 41 continues to move downward, and the compression spring 73 is compressed. The pressure of the compression spring 73 on the pressure plate 2 is transmitted to the metal sheet, increasing the pressure of the pressure plate 2 on the metal sheet and further improving the stability of the device for fixing the metal sheet.

[0041] Reference Figure 4 and Figure 7 , and the support frame 41 moves downward. Before the shearing assembly 4 shears the metal sheet, the pressing plate 2 fixes the metal sheet until the shearing is completed. The support frame 41 moves up until the compression spring 73 recovers its length, and the pressing plate 2 moves up with the support frame 41, which simplifies the operation process, improves the convenience of operation, and ensures the fixing time of the metal sheet to avoid the displacement of the metal sheet during the shearing process.

[0042] Reference Figure 1 , Figure 3 and Figure 5 The auxiliary unit is used to make the pressing plate 2 cooperate with the processing unit so that the quality of the metal sheet processed by the device is better. The auxiliary unit includes a floating frame 1 8, a floating member 1 9, a floating frame 2 10 and a floating member 2 11.

[0043] Reference Figure 1 and Figure 2 The floating frame 8 is arranged on the right section of the machine body 1, and the right end of the floating frame 8 is rotatably connected to the machine body 1 through a hinge shaft. The floating member 9 is arranged between the left end of the floating frame 8 and the machine body 1, so that the floating frame 8 can float up and down around the central axis of the right hinge shaft as a reference.

[0044] Reference Figure 1 and Figure 2 The floating frame 10 is arranged on the left section of the machine body 1, and the left end of the floating frame 10 is rotatably connected to the machine body 1 through a hinge shaft. The floating member 11 is arranged between the right end of the floating frame 10 and the machine body 1, so that the floating frame 10 can float up and down around the central axis of the left hinge shaft as a reference.

[0045] Reference Figure 1 and Figure 2 The leveling assembly 3 is arranged on the floating frame 1 8, and the unloading assembly 5 is arranged on the floating frame 2 10. Figure 4 and Figure 7, a pressing block 1 81 is provided at the top of the left end of the floating frame 1 8, and a pressing block 2 101 is provided at the top of the right end of the floating frame 2 10, and both the pressing block 1 81 and the pressing block 2 101 can abut against the bottom surface of the pressing plate 2. That is, when the pressing plate 2 presses the metal sheet downward, the pressing plate 2 abuts against the pressing block 1 81 and the pressing block 2 101, and under the pushing action of the pressing plate 2, the pressing block 1 81 and the pressing block 2 101 move downward, that is, the floating frame 1 8 and the floating frame 2 10 both move downward, so that the metal sheet located on the leveling component 3 and the blanking component 5 moves downward until the metal sheet falls on the supporting platform 6. After the pressing plate 2 moves to the top, under the action of the floating member 1 9 and the floating member 2 11, the floating frame 1 8 and the floating frame 2 10 move upward and lift the metal sheet, so that there is a gap between the metal sheet and the supporting platform 6.

[0046] The device can not only ensure the smooth shearing of the metal sheet, but also significantly reduce the duration of direct contact between the metal sheet and the support platform 6 during transportation, thereby solving the problems of wear, displacement and deformation caused by the metal sheet sliding on the support platform 6. It can reduce the possibility of scratches on the surface of the metal sheet and improve the surface quality of the product.

[0047] Reference Figure 4 and Figure 7 Furthermore, the bottom surface of the support frame 41 can abut against the top surface of the pressing block 2 101 .

[0048] When the shearing assembly 4 shears the metal sheet, the support frame 41 moves downward, the floating frame 1 8 and the floating frame 2 10 move downward, the metal sheet falls on the support platform 6, and the pressure plate 2 cooperates with the support platform 6 to press the metal sheet; the support frame 41 and the upper cutter 42 continue to move downward, and as the support frame 41 moves downward, under the pushing action of the support frame 41, the right end of the floating frame 2 10 moves further downward, so that the blanking assembly 5 can always provide good supporting force for the metal sheet, which is beneficial to maintaining the flatness of the metal sheet and further reducing the displacement of the metal sheet during the shearing process, thereby improving the shearing accuracy and reducing the probability of the metal sheet sliding or twisting due to insufficient support.

[0049] Reference Figure 4 and Figure 5Specifically, the floating member 9 includes a guide rod 91, a fixed block 92, a through slot 1 and a compression spring 93. The guide rod 91 is fixedly connected to the bottom of the left end of the floating frame 8, the fixed block 92 is fixedly connected to the machine body 1, the through slot 1 penetrates the fixed tube 1 in the vertical direction, the guide rod 91 passes through the through slot 1 and slides vertically, and a gap is left between the inner wall of the through slot 1 and the circumferential outer wall of the guide rod 91, so that the guide rod 91 can float up and down with the floating frame 8. The compression spring 93 is sleeved on the guide rod 91, and the top and bottom ends of the compression spring 93 are connected to the bottom surface of the floating frame 8 and the top surface of the fixed block 92 in turn. When the floating frame 8 moves downward, the compression spring 93 is compressed, and the compressed compression spring 93 has an upward pushing force on the floating frame 8, which can make the floating frame 8 move upward and reset.

[0050] The pressure plate 2 moves downward and abuts against the pressure block 81, the pressure block 81, the floating frame 8 and the guide rod 91 move downward, and the compression spring 93 is compressed; after the shearing is completed, the pressure plate 2 moves upward, and under the elastic force of the compression spring 93, the pressure block 81, the floating frame 8 and the guide rod 91 move upward to facilitate the next shearing process, improve the automation degree of the device, stabilize the structure, reduce the occurrence of distortion of the compression spring 93, and ensure the stability of the movement path of the floating frame 8.

[0051] Reference Figure 3 and Figure 4 Specifically, the second floating member 11 includes a second guide rod 111, a second fixed block 112, a second through slot and a third compression spring 113. The second guide rod 111 is vertically placed and fixedly connected to the machine body 1, the second fixed block 112 is fixedly connected to the second floating frame 10, the second through slot vertically penetrates the second fixed block 112, the second guide rod 111 passes through the inside of the second through slot, and a gap is left between the inner wall of the second through slot and the circumferential outer wall of the second guide rod 111, and the third compression spring 113 is sleeved on the second guide rod 111, and the top and bottom ends of the third compression spring 113 are fixedly connected to the bottom surface of the fixed block and the machine body 1 in sequence.

[0052] The pressing plate 2 moves downward and abuts against the pressing block 101, the pressing block 101, the floating frame 10 and the fixed block 112 move downward, and the compression spring 113 is compressed; during the upward movement of the pressing plate 2 and the upper cutter 42, under the elastic force of the compression spring 113, the pressing block 101, the floating frame 10 and the fixed block 112 move upward to facilitate the next shearing process.

[0053] Reference Figure 5Furthermore, a limiting plate 82 is fixedly connected to the machine body 1, and the limiting plate 82 can abut against the bottom surface of the left end of the floating frame 8. The limiting plate 82 limits the downward movement path of the floating frame 8. When the floating frame 8 moves downward until the metal sheet is horizontally placed on the leveling assembly 3 and the support platform 6, the limiting plate 82 abuts against the bottom surface of the floating frame 8, thereby improving the stability of the device and ensuring the flatness of the metal sheet during the shearing process.

[0054] Furthermore, in other embodiments, the floating member 1 9 and the floating member 2 11 may also be constructed using structures such as gas springs. The gas springs are arranged between the floating frame 1 8 and the machine body 1 and between the floating frame 2 10 and the machine body 1. The gas springs apply an upward force to the floating frame 1 8 and the floating frame 2 10 so that the shearing process can be repeated multiple times, thereby improving the degree of automation of the device.

[0055] Reference Figure 5 and Figure 7 Furthermore, a fixing member 12 is provided between the support platform 6 and the floating frame 1 8 , and the fixing member 12 is used to improve the stability of the device. The fixing member 12 includes a fixing groove 121 , a second driving member 122 , a sliding block 123 , a third driving member 124 , a sliding block 125 and a pressing roller 126 .

[0056] Reference Figure 5 The fixed groove 121 is opened on the right side of the support platform 6, and the fixed groove 121 extends in the horizontal direction. The second driving member 122 is connected to the left end of the floating frame 8, and the output end of the second driving member 122 extends horizontally to the left. The sliding block 123 is fixedly connected to the output end of the second driving member 122, and the sliding block 123 is slidably inserted into the fixed groove 121. When the sliding block 123 is located in the fixed groove 121, it can limit the position of the floating frame 8 relative to the support platform 6, ensure the stability of the floating frame 8, improve the stability of the device, and thus ensure the smooth progress of the metal sheet shearing process.

[0057] Reference Figure 5 and Figure 6 , the driving member 3 124 is connected to the sliding block 123, the output end of the driving member 3 124 is vertically downward, the sliding block 125 is connected to the output end of the driving member 3 124, and the pressure roller 126 is horizontally placed and rotatably connected to the sliding block 125. The right side of the pressing plate 2 is tilted downward from left to right, and the driving member 3 124 controls the vertical position of the pressure roller 126. As the sliding block 123 moves to the left, the pressure roller 126 can abut against the right side of the pressing plate 2, and the pressure of the pressure roller 126 on the pressing plate 2 is transmitted to the metal sheet, further improving the stability of the device.

[0058] Specifically, the second driving member 122 and the third driving member 124 both use linear output cylinders. In other embodiments, the second driving member 122 and the third driving member 124 may also use electric push rods or hydraulic cylinders.

[0059] Reference Figure 6 and Figure 7 Furthermore, a roller 127 is rotatably connected to the slider 125, and the roller 127 is located below the pressure roller 126. The roller 127 can provide support for the metal sheet, reduce the downward bending of the metal sheet, ensure the flatness of the metal sheet, and always provide good support for the metal sheet.

[0060] Reference Figure 1 and Figure 6 Furthermore, the machine body 1 is also equipped with a conveying assembly 13, which is located between the pressure roller 126 and the leveling assembly 3. The conveying assembly 13 includes two conveying rollers and a belt transmission member for controlling the rotation of the conveying rollers, and is used to drive the metal sheet to move to the left. The conveying assembly 13 and the leveling assembly 3 are both arranged on the floating frame 8, which is conducive to maintaining the flatness of the metal sheet and reducing the probability of bending and deformation of the metal sheet.

[0061] The implementation principle of the material pressing mechanism of a shearing machine in an embodiment of the present invention is as follows: The metal sheet passes through the two sets of leveling rollers 31 of the leveling assembly 3 and is leveled, then passes between the two conveying rollers of the conveying assembly 13, and then passes between the pressure roller 126 and the rotating roller 127, and then the metal sheet moves to the top of the unloading assembly 5 on the floating frame 2 10.

[0062] When the metal sheet moves to the left, the floating frame 1 8 and the floating frame 2 10 are located above, and the metal sheet is located above the supporting platform 6 , with a gap between the metal sheet and the supporting platform 6 .

[0063] When the metal sheet is sheared, the driving member 1 controls the support frame 41 to move downward, the upper cutter 42 and the pressing plate 2 to move downward, and the pressing plate 2 first contacts the pressing block 1 81 and the pressing block 2 101, so that the floating frame 1 8 and the floating frame 2 10 move downward until the metal sheet falls on the supporting platform 6. The metal sheet is in a flat state, and the pressing plate 2 cooperates with the supporting platform 6 to limit the position of the metal sheet; The support frame 41 continues to move downward, and the compression spring 73 is compressed, increasing the pressure of the pressure plate 2 on the metal sheet and improving the stability of the device fixation; The support frame 41 continues to move downward, and the upper cutter 42 cooperates with the lower cutter 43 to shear the metal sheet. During the shearing process of the upper cutter 42, the support frame 41 abuts against the pressing block 101, and the floating frame 10 continues to move downward, so that the blanking component 5 continues to provide good support force for the metal sheet.

[0064] When the floating frame 8 moves downward to abut against the limit plate 82, the driving member 2 122 and the driving member 3 124 are started, and the sliding block 123 is slidably inserted into the fixed groove 121 to limit the position of the floating frame 8 relative to the body 1. The pressure roller 126 moves upward and abuts against the right side of the pressure plate 2 to improve the stability of the device.

[0065] After the shearing is completed, the driving member 1 controls the support frame 41 and the pressure plate 2 to move upward, and the floating frame 1 8 and the floating frame 2 10 move upward under the action of the compression spring 2 93 and the compression spring 3 113, and lift the metal sheet again, which significantly reduces the direct contact between the metal sheet and the support platform 6, thereby reducing the problem of displacement or damage of the metal sheet due to friction.

[0066] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense.

Claims

1. A material pressing mechanism of a shearing machine, comprising a pressing plate (2) mounted on a machine body (1) and capable of vertical reciprocating motion, a leveling assembly (3), a shearing assembly (4) and a material unloading assembly (5) being further mounted on the machine body (1), a support platform (6) located below the shearing assembly (4) being fixedly connected to the machine body (1), characterized in that: The leveling assembly (3) is arranged on a floating frame (8), the right end of the floating frame (8) is rotatably connected to the machine body (1) via a hinge shaft, and a floating member (9) is arranged between the left end of the floating frame (8) and the machine body (1), and the floating member (9) can make the floating frame (8) float up and down with the central axis of the right hinge shaft as a reference; The unloading assembly (5) is arranged on the second floating frame (10), the left end of the second floating frame (10) is rotatably connected to the machine body (1) via a hinge shaft, and a second floating member (11) is arranged between the right end of the second floating frame (10) and the machine body (1), and the second floating member (11) can make the second floating frame (10) float up and down with the central axis of the left hinge shaft as a reference; The pressing plate (2) is in contact with the top surface of the support platform (6); a pressing block 1 (81) is provided at the top of the left end of the floating frame 1 (8); a pressing block 2 (101) is provided at the top of the right end of the floating frame 2 (10); the top surfaces of the pressing block 1 (81) and the pressing block 2 (101) are both in contact with the bottom surface of the pressing plate (2).

2. A material pressing mechanism for a shearing machine according to claim 1, characterized in that: The shearing assembly (4) comprises a support frame (41), an upper cutter (42) and a lower cutter (43); a driving member (1) for controlling the vertical reciprocating movement of the support frame (41) is provided on the machine body (1); the upper cutter (42) is connected to the support frame (41); the lower cutter (43) is fixedly connected to the machine body (1); and the bottom surface of the support frame (41) abuts against the left end of the top surface of the second pressing block (101).

3. A material pressing mechanism of a shearing machine according to claim 2, characterized in that: The top surface of the pressure plate (2) is connected to a sliding rod (71), the right side of the support frame (41) is connected to a support plate (72), the sliding rod (71) is vertically slidably penetrated through the support plate (72), a compression spring (73) is sleeved on the sliding rod (71), and the two ends of the compression spring (73) are respectively connected to the bottom surface of the support plate (72) and the top surface of the pressure plate (2).

4. The material pressing mechanism of a shearing machine according to claim 1, characterized in that: A horizontally extending fixed groove (121) is provided on the right side of the support platform (6); a driving member 2 (122) is connected to the left end of the floating frame 1 (8); an output end of the driving member 2 (122) is connected to a sliding block (123); the left end of the sliding block (123) is slidably inserted into the fixed groove (121); a driving member 3 (124) is connected to the sliding block (123); an output end of the driving member 3 (124) is vertically downward and connected to a sliding block (125); a horizontally arranged pressure roller (126) is rotatably connected to the sliding block (125); the right side surface of the pressing plate (2) is tilted downward from left to right, and the pressure roller (126) abuts against the right side surface of the pressing plate (2).

5. A material pressing mechanism for a shearing machine according to claim 4, characterized in that: The sliding block (123) is rotatably connected to a roller (127), and the roller (127) is located below the pressure roller (126).

6. The material pressing mechanism of a shearing machine according to claim 1, characterized in that: A limiting plate (82) is fixedly connected to the machine body (1), and the limiting plate (82) can abut against the bottom surface of the left end of the floating frame (8).

7. The material pressing mechanism of a shearing machine according to claim 1, characterized in that: The floating member 1 (9) comprises a guide rod 1 (91), a fixed block 1 (92), a through slot 1 and a compression spring 2 (93). The guide rod 1 (91) is fixedly connected to the bottom of the left end of the floating frame 1 (8), the fixed block 1 (92) is fixedly connected to the machine body (1), the through slot 1 penetrates the fixed block 1 (92) in the vertical direction, the guide rod 1 (91) passes through the through slot 1, and a gap is left between the inner wall of the through slot 1 and the outer wall of the guide rod 1 (91), the compression spring 2 (93) is sleeved on the guide rod 1 (91), and the two ends of the compression spring 2 (93) are connected to the bottom surface of the floating frame 1 (8) and the top surface of the fixed block 1 (92) in sequence.

8. The material pressing mechanism of a shearing machine according to claim 1, characterized in that: The second floating member (11) comprises a second guide rod (111), a second fixed block (112), a second through slot and a third compression spring (113). The second guide rod (111) is vertically placed and fixedly connected to the machine body (1). The second fixed block (112) is fixedly connected to the second floating frame (10). The second through slot vertically penetrates the second fixed block (112). The second guide rod (111) passes through the second through slot. A gap is left between the inner wall of the second through slot and the outer wall of the second guide rod (111). The third compression spring (113) is sleeved on the second guide rod (111). The two ends of the third compression spring (113) are connected to the bottom surface of the fixed block and the machine body (1) in sequence.

9. A material pressing mechanism for a shearing machine according to claim 4, characterized in that: The left end of the floating frame 1 (8) is also equipped with a conveying assembly (13), and the conveying assembly (13) is located between the pressure roller (126) and the leveling assembly (3).

10. A material pressing mechanism for a shearing machine according to claim 9, characterized in that: The conveying assembly (13) comprises two conveying rollers arranged in parallel, and a belt transmission member is provided between the two conveying rollers.

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