Metal sheet bending and cutting device

Abstract

The utility model discloses a metal sheet bending and cutting device, which comprises a base, a feeding component and a limiting component; Base: A gantry is arranged on its upper surface. An electric push rod I is arranged in the middle of the horizontal plate body of the gantry. A cross plate is arranged at the lower end of the electric push rod I. A U-shaped frame is arranged on the lower surface of the cross plate. A processing tool is fixedly installed at the lower end between the two vertical plate bodies of the U-shaped frame. Support blocks are symmetrically arranged on the upper surface of the base. The tops of the support blocks are fixedly connected with the lower surface of a table board. A workbench is slidably connected to the upper surface of the table board. A bending groove and a cutting groove are respectively arranged on the upper surface of the workbench. The processing tool is respectively arranged in cooperation with the bending groove and the cutting groove. This metal sheet bending and cutting device bends and cuts the metal sheet respectively, improves work efficiency, adjusts the processing direction of the metal sheet, has various functions, and improves the safety of the bending operation.

Description

Technical Field

[0001] The utility model relates to the technical field of metal sheet processing, in particular to a metal sheet bending and cutting device. Background Technique

[0002] In the production and processing of metal sheets, due to specific requirements of products, it is often necessary to bend the metal sheets at a certain angle, and corresponding bending devices need to be used. Usually, the thin sheet to be bent is placed on the workbench, and the bending pressure plate presses downward and cooperates with the bending groove to bend the thin sheet.

[0003] In the prior art, the metal sheet bending device usually does not have a truncation function. It is necessary to pre-cut the metal sheet on a cutting machine into the required size, and then transfer it to the bending device for bending processing. This process is time-consuming and laborious, reducing work efficiency. Moreover, the existing metal sheet bending device requires manual support and feeding during the bending process, increasing the manual workload and risk coefficient. Therefore, we propose a metal sheet bending and cutting device. Content of the Utility Model

[0004] In order to solve the technical problems of large manual workload and low work efficiency in the prior art during the bending process, the utility model provides a metal sheet bending and cutting device;

[0005] The metal sheet bending and cutting device provided by the utility model adopts the following technical solutions:

[0006] A metal sheet bending and cutting device includes a base, a feeding component, and a limiting component;

[0007] Base: A gantry is provided on its upper surface. An electric push rod I is provided in the middle of the horizontal plate body of the gantry. A cross plate is provided at the lower end of the electric push rod I. A U-shaped frame is provided on the lower surface of the cross plate. A processing tool is fixedly installed between the two vertical plate bodies of the U-shaped frame at the lower end. Support blocks are symmetrically provided on the upper surface of the base. The tops of the support blocks are fixedly connected to the lower surface of the table board. A workbench is slidably connected to the upper surface of the table board. A bending groove and a cutting groove are respectively provided on the upper surface of the workbench. The processing tool is respectively arranged in cooperation with the bending groove and the cutting groove. A fixed block is provided at the rear end of the upper surface of the table board. An electric push rod II is provided on the front side surface of the fixed block. The front end of the push rod of the electric push rod II is fixedly connected to the rear side surface of the workbench. Limiting plates are symmetrically provided on the front side surface of the table board;

[0008] Feeding component: Placed on the upper surfaces of the two limiting plates, and the feeding component is arranged in cooperation with the workbench;

[0009] Limiting assembly: It is arranged at the lower end of the table. The limiting assembly cooperates with the feeding assembly to bend and cut the metal sheet respectively, thereby reducing the number of times the metal sheet is transferred between different equipment, improving work efficiency, adjusting the processing direction of the metal sheet, reducing manual intervention, and improving the safety of the bending operation.

[0010] Furthermore, the processing tool includes a mounting shaft, a cutting knife, a bending knife and a motor 1. The mounting shaft is rotatably connected between two vertical plates of the bezel. The upper end of the outer arc surface of the mounting shaft is fixedly connected with the cutting knife. The cutting knife is matched with the cutting groove. The lower end of the outer arc surface of the mounting shaft is fixedly connected with the bending knife. The bending knife is matched with the bending groove. The motor 1 is arranged on the right side surface of the vertical plate on the right side of the bezel. The output shaft of the motor 1 is fixedly connected to the right end of the mounting shaft, and the metal sheet is bent and cut respectively, thereby reducing the number of times the metal sheet is transferred between different devices.

[0011] Furthermore, the upper surface of the table plate is symmetrically provided with dovetail grooves, and the lower surface of the workbench is symmetrically provided with dovetail sliders, and the dovetail sliders are respectively slidably connected to the inner walls of the vertically corresponding dovetail grooves to limit the workbench.

[0012] Furthermore, the feeding assembly includes a pad, a rectangular frame, a conveying roller, a second motor, a pressure roller and a slider, the pad is placed on the upper surface of two limit plates, the upper surface of the pad is provided with a rectangular frame, the lower end between the two vertical plates of the rectangular frame is rotatably connected with a conveying roller, the uppermost end of the outer arc surface of the conveying roller is not lower than the upper surface of the workbench, a second motor is provided at the lower end of the right side surface of the rectangular frame, the output shaft of the second motor is fixedly connected to the right end of the conveying roller, the upper ends of the two vertical plates of the rectangular frame are vertically slidably connected with a slider, a pressure roller is rotatably connected between the two sliders, the pressure roller and the conveying roller are vertically correspondingly arranged, and the two ends of the pad are coordinated with the limit assembly to automatically convey the metal sheet and reduce manual intervention.

[0013] Furthermore, an annular groove is provided in the middle of the pressure roller, and a connecting ring is rotatably connected to the outer arc surface of the annular groove. A stud is provided on the upper end of the outer arc surface of the connecting ring. A threaded barrel is rotatably connected to the middle of the horizontal plate body above the rectangular frame. The threaded barrel is threadedly connected to the upper end of the stud to adjust the height of the pressure roller to adapt to the bending of metal plates of different thicknesses.

[0014] Furthermore, the limit assembly includes a screw, a C-shaped seat, a guide column, a connecting shaft and a connecting rod. The screw is rotatably connected to the middle part of the lower end of the table plate, and the middle part of the screw is threadedly connected to the middle part of the horizontal plate body of the C-shaped seat. The lower surface of the table plate is symmetrically provided with guide columns, and the outer arc surfaces of the two guide columns are respectively slidably connected to the inner walls of the sliding holes correspondingly arranged inside the horizontal plate body of the C-shaped seat. The top ends of the two vertical plates of the C-shaped seat are respectively provided with connecting shafts, and the outer arc surfaces of the connecting shafts are rotatably connected to connecting rods. The front ends of the two connecting rods are respectively rotatably connected to the left and right ends of the pad through pins, so as to limit the conveying roller so that it can adapt to the offset during bending of the metal sheet.

[0015] Furthermore, a motor three is provided on the lower surface of the pad, and the top end of the output shaft of the motor three is fixedly connected to the inside of the horizontal plate body below the rectangular frame, so as to rotate the rectangular frame to reverse the direction of the metal plate.

[0016] In summary, the beneficial effects of the utility model are:

[0017] 1. The utility model arranges a cutting knife and a bending knife on the mounting shaft, arranges a cutting groove and a bending groove on the workbench 7, starts an electric push rod 1, and a push rod of the electric push rod 1 drives the mounting shaft to move downward through a cross plate and a rim frame, and the mounting shaft drives the bending knife to move downward, and the bending knife cooperates with the bending groove to bend the metal sheet. After the bending is completed, the electric push rod 2 is started, and the push rod of the electric push rod 2 pulls the workbench to the rear side so that the cutting groove moves to just below the cutting knife, starts the motor 1, and the output shaft of the motor 1 drives the mounting shaft to rotate 180°, so that the cutting knife rotates to the bottom of the mounting shaft, and starts the electric push rod 1 again, and the push rod of the electric push rod 1 drives the cutting knife to move downward through the cross plate, the rim frame and the mounting shaft, and the cutting knife cooperates with the cutting groove to cut the metal sheet, respectively bends and cuts the metal sheet, reduces the number of times the metal sheet is transferred between different devices, reduces the manual workload, and improves the work efficiency.

[0018] 2. The utility model sets a material conveying component on the limiting plate and a limiting component in the middle of the table board. Manually rotate the threaded cylinder, and the threaded cylinder drives the stud to move downward, thereby driving the pressure roller to move downward through the connecting ring, adjusting the distance between the pressure roller and the conveying roller, so that the cooperation of the pressure roller and the conveying roller can horizontally clamp the metal plate. Place the metal plate to be processed between the conveying roller and the pressure roller, start the second motor, and the second motor drives the conveying roller to rotate. The conveying roller conveys the metal plate backward. During the bending process of the metal plate, the conveying roller and the pressure roller rotate along with the bending of the metal plate. The cushion plate is separated from the limiting plate, and then the first electric push rod is reset. After the folding cutter blade is lifted upward, the rectangular frame drives the metal plate to reset under the limiting action of the connecting rod, so that the front end of the metal plate returns to the horizontal state, avoiding interference of the conveying roller and the pressure roller on the plate during the bending process of the plate. Start the third motor, and the output shaft of the third motor drives the rectangular frame to rotate, thereby driving the plate to rotate through the conveying roller and the pressure roller, adjusting the processing direction of the metal plate, reducing manual intervention, and improving the safety of the bending operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the utility model;

[0020] Figure 2 is a rear view structural diagram of the utility model;

[0021] Figure 3 is a front view plane structural diagram of the utility model;

[0022] Figure 4 is a partial explosion structural diagram of the utility model.

[0023] In the figure: 1 - base; 2 - gantry; 3 - first electric push rod; 4 - cross plate; 5 - U-shaped frame; 6 - processing tool; 61 - mounting shaft; 62 - cutting scissors; 63 - folding cutter blade; 64 - first motor; 7 - workbench; 71 - bending groove; 72 - cutting groove; 8 - material conveying component; 81 - cushion plate; 82 - rectangular frame; 83 - conveying roller; 84 - second motor; 85 - pressure roller; 851 - annular groove; 86 - slider; 9 - limiting component; 91 - screw rod; 92 - U-shaped seat; 93 - guiding column; 94 - connecting shaft; 95 - connecting rod; 10 - supporting block; 11 - table board; 12 - limiting plate; 13 - third motor; 14 - fixing block; 15 - second electric push rod; 16 - connecting ring; 17 - stud; 18 - threaded cylinder; 19 - dovetail slider. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further describes the present utility model with reference to specific embodiments. The illustrative embodiments and descriptions herein are used to explain the present utility model, but not to limit the present utility model.

[0025] Embodiment: As Figure 1 , Figure 2 , Figure 3 , Figure 4 A metal sheet bending and cutting device is shown.

[0026] The first embodiment of the utility model refers to Figure 1 , a metal sheet bending and cutting device, comprising a base 1, a feeding component 8 and a limiting component 9;

[0027] Base 1: A gantry 2 is provided on its upper surface, an electric push rod 3 is provided in the middle of the horizontal plate of the gantry 2, a horizontal plate 4 is provided at the lower end of the electric push rod 3, a shaped frame 5 is provided on the lower surface of the horizontal plate 4, a processing tool 6 is fixedly installed at the lower end between the two vertical plates of the shaped frame 5, a support block 10 is symmetrically provided on the upper surface of the base 1, the top of the support block 10 is fixedly connected to the lower surface of the table 11, a workbench 7 is slidably connected to the upper surface of the table 11, a bending groove 71 and a cutting groove 72 are respectively provided on the upper surface of the workbench 7, and the processing tool 6 is respectively connected to the bending groove 71 and the cutting groove 72. The groove 71 and the cutting groove 72 are arranged in cooperation, a fixing block 14 is arranged at the rear end of the upper surface of the table 11, and an electric push rod 15 is arranged on the front side of the fixing block 14. The front end of the push rod of the electric push rod 15 is fixedly connected to the rear side of the workbench 7, and a limit plate 12 is symmetrically arranged on the front side of the table 11. The processing tool 6 includes a mounting shaft 61, a cutting knife 62, a bending knife 63 and a motor 64. The mounting shaft 61 is rotatably connected between the two vertical plates of the shaped frame 5, and the upper end of the outer arc surface of the mounting shaft 61 is fixedly connected with the cutting knife 62, and the cutting knife 62 is connected to the cutting groove 72. The lower end of the outer arc surface of the mounting shaft 61 is fixedly connected with a bending knife 63, and the bending knife 63 is matched with the bending groove 71. The motor 1 64 is arranged on the right side of the vertical plate body on the right side of the shaped frame 5. The output shaft of the motor 1 64 is fixedly connected with the right end of the mounting shaft 61. The electric push rod 1 3 is started, and the push rod of the electric push rod 1 3 drives the mounting shaft 61 to move downward through the cross plate 4 and the shaped frame 5. The mounting shaft 61 drives the bending knife 63 to move downward, and the bending knife 63 cooperates with the bending groove 71 to bend the metal sheet. The electric push rod 2 15 is started, and the electric push rod 2 15 is started. The push rod of 5 pulls the workbench 7 backward, so that the cutting groove 72 moves to the right below the cutting knife 62, and the motor 64 is started. The output shaft of the motor 64 drives the mounting shaft 61 to rotate 180 degrees, so that the cutting knife 62 rotates to the bottom of the mounting shaft 61, and the electric push rod 3 is started again. The push rod of the electric push rod 3 drives the cutting knife 62 to move downward through the cross plate 4, the shaped frame 5 and the mounting shaft 61. The cutting knife 62 cooperates with the cutting groove 72 to cut the metal plate, bend and cut the metal plate respectively, thereby reducing the number of times the metal plate is transferred between different devices.

[0028] Among them, dovetail grooves are symmetrically arranged on the upper surface of the table 11, and dovetail sliders 19 are symmetrically arranged on the lower surface of the workbench 7. The dovetail sliders 19 are slidably connected to the inner walls of the vertically corresponding dovetail grooves to limit the workbench 7.

[0029] Feeding assembly 8: placed on the upper surfaces of the two limiting plates 12, the feeding assembly 8 is arranged in cooperation with the workbench 7, and is used to feed the metal sheet to the rear side through the feeding assembly 8;

[0030] Limiting assembly 9: arranged at the lower end of the table 11, the limiting assembly 9 is arranged in cooperation with the feeding assembly 8.

[0031] During the bending process of the metal sheet, the feed assembly 8 rotates with the bending of the metal sheet, the feed assembly 8 separates from the limit plate 12, and then the electric push rod 3 is reset. After the bending knife 63 is lifted upward, the feed assembly 8 drives the metal sheet to reset under the limiting action of the limit assembly 9, so that the front end of the metal sheet is restored to a horizontal state.

[0032] The second embodiment of the utility model refers to Figure 1 and Figure 4As shown, in this embodiment, the feeding assembly 8 includes a pad 81, a rectangular frame 82, a conveying roller 83, a second motor 84, a pressure roller 85 and a slider 86. The pad 81 is placed on the upper surface of the two limit plates 12. The upper surface of the pad 81 is provided with a rectangular frame 82. The lower end of the two vertical plates of the rectangular frame 82 is rotatably connected with the conveying roller 83. The uppermost end of the outer arc surface of the conveying roller 83 is not lower than the upper surface of the workbench 7. The lower end of the right side surface of the rectangular frame 82 is provided with a second motor 84. The output shaft of the second motor 84 is fixedly connected to the right end of the conveying roller 83. The upper ends of the two vertical plates of the rectangular frame 82 are vertically slidably connected with sliders 86, and a pressure roller 85 is rotatably connected between the two sliders 86. The pressure roller 85 is vertically corresponding to the conveying roller 83. The two ends of the pad 81 are matched with the limit assembly 9 to automatically convey the metal sheet to reduce manual intervention. The middle part of the pressure roller 85 is provided with an annular groove 851, and the outer arc surface of the annular groove 851 is rotatably connected with a connecting ring 16. The upper end of the outer arc surface of the connecting ring 16 is provided with a stud 17. The middle part of the horizontal plate above the rectangular frame 82 is rotatably connected with a stud 17. The threaded cylinder 18 is threadedly connected to the upper end of the stud 17 to adjust the height of the pressure roller 85 to adapt to the bending of metal sheets of different thicknesses. The limit assembly 9 includes a screw 91, a U-shaped seat 92, a guide column 93, a connecting shaft 94 and a connecting rod 95. The screw 91 is rotatably connected to the middle part of the lower end of the table 11. The middle part of the screw 91 is threadedly connected to the middle part of the horizontal plate body of the U-shaped seat 92. The lower surface of the table 11 is symmetrically provided with guide columns 93. The outer arc surfaces of the two guide columns 93 are respectively connected to the corresponding sliding holes set inside the horizontal plate body of the U-shaped seat 92. The wall is slidably connected, and the top ends of the two vertical plates of the U-shaped seat 92 are respectively provided with connecting shafts 94. The outer arc surfaces of the connecting shafts 94 are rotatably connected with connecting rods 95. The front ends of the two connecting rods 95 are rotatably connected to the left and right ends of the pad 81 through pin shafts, respectively, to limit the conveying roller 83 so that it can adapt to the offset of the metal sheet during bending. The lower surface of the pad 81 is provided with a motor three 13, and the top end of the output shaft of the motor three 13 is fixedly connected to the inside of the horizontal plate below the rectangular frame 82, so as to rotate the rectangular frame 82 for reversing the metal sheet.

[0033] When bending the sheet, the threaded cylinder 18 is manually rotated, and the threaded cylinder 18 drives the stud 17 to move downward, thereby driving the pressure roller 85 to move downward through the connecting ring 16, and adjusting the distance between the pressure roller 85 and the conveying roller 83, so that the pressure roller 85 and the conveying roller 83 can cooperate to clamp the metal sheet horizontally. During the bending process, the conveying roller 83 and the pressure roller 85 rotate with the bending of the metal sheet, and the pad 81 is separated from the limit plate 12, and then the electric push rod 3 is reset. After the bending knife 63 is lifted upward, the rectangular frame 82 is brought under the restriction of the connecting rod 95. The metal sheet is reset to its original position so that the front end of the metal sheet returns to a horizontal state, and the threaded cylinder 18 is manually rotated, and the threaded cylinder 18 drives the stud 17 to move vertically, thereby driving the pressure roller 85 vertically through the connecting ring 16, and adjusting the distance between the pressure roller 85 and the conveying roller 83. Then, the screw rod 91 is manually rotated, and the screw rod 91 drives the U-shaped seat 92 to move vertically, so that the axial position of the connecting shaft 94 is colinear with the center line of the bending part of the sheet, so as to avoid interference between the conveying roller 83 and the pressure roller 85 on the sheet during the bending process of the sheet, so as to adapt to metal sheets of different thicknesses.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A metal sheet bending and cutting device, comprising a base (1), a material feeding component (8) and a limit component (9), characterized in that: The upper surface of the base (1) is provided with a gantry (2), the middle part of the horizontal plate of the gantry (2) is provided with an electric push rod (3), the lower end of the electric push rod (3) is provided with a horizontal plate (4), the lower surface of the horizontal plate (4) is provided with a shaped frame (5), a processing tool (6) is fixedly installed at the lower end between the two vertical plates of the shaped frame (5), the upper surface of the base (1) is symmetrically provided with support blocks (10), the top ends of the support blocks (10) are fixedly connected to the lower surface of the table (11), the upper surface of the table (11) is slidably connected with a workbench (7), and the upper surface of the workbench (7) is respectively provided with a bending groove (71) and a cutting groove (72), The processing tool (6) is respectively arranged in cooperation with the bending groove (71) and the cutting groove (72); a fixing block (14) is provided at the rear end of the upper surface of the table (11); a second electric push rod (15) is provided on the front side of the fixing block (14); the front end of the push rod of the second electric push rod (15) is fixedly connected to the rear side of the workbench (7); the front side of the table (11) is symmetrically provided with limit plates (12); the feeding assembly (8) is placed on the upper surfaces of the two limit plates (12); the feeding assembly (8) is arranged in cooperation with the workbench (7); the limit assembly (9) is arranged at the lower end of the table (11); the limit assembly (9) is arranged in cooperation with the feeding assembly (8).

2. The metal sheet bending and cutting device according to claim 1, characterized in that: The processing tool (6) comprises a mounting shaft (61), a cutting knife (62), a bending knife (63) and a motor (64); the mounting shaft (61) is rotatably connected between two vertical plates of a shaped frame (5); the upper end of the outer arc surface of the mounting shaft (61) is fixedly connected with the cutting knife (62); the cutting knife (62) is matched with a cutting groove (72); the lower end of the outer arc surface of the mounting shaft (61) is fixedly connected with the bending knife (63); the bending knife (63) is matched with a bending groove (71); the motor (64) is arranged on the right side of the vertical plate on the right side of the shaped frame (5); the output shaft of the motor (64) is fixedly connected with the right end of the mounting shaft (61).

3. The metal sheet bending and cutting device according to claim 2, characterized in that: The upper surface of the table plate (11) is symmetrically provided with dovetail grooves, and the lower surface of the workbench (7) is symmetrically provided with dovetail sliders (19), and the dovetail sliders (19) are respectively slidably connected to the inner walls of the vertically corresponding dovetail grooves.

4. The metal sheet bending and cutting device according to claim 3, characterized in that: The feeding assembly (8) comprises a pad (81), a rectangular frame (82), a conveying roller (83), a second motor (84), a pressure roller (85) and a slider (86); the pad (81) is placed on the upper surface of two limit plates (12); a rectangular frame (82) is provided on the upper surface of the pad (81); a conveying roller (83) is rotatably connected to the lower end between two vertical plates of the rectangular frame (82); the uppermost end of the outer arc surface of the conveying roller (83) is not lower than the height of the workbench (7); On the upper surface, a second motor (84) is provided at the lower end of the right side surface of the rectangular frame (82), and the output shaft of the second motor (84) is fixedly connected to the right end of the conveying roller (83). The upper ends of the two vertical plates of the rectangular frame (82) are vertically slidably connected with sliders (86), and a pressure roller (85) is rotatably connected between the two sliders (86). The pressure roller (85) and the conveying roller (83) are vertically arranged correspondingly, and the two ends of the pad (81) are matched with the limit assembly (9).

5. The metal sheet bending and cutting device according to claim 4, characterized in that: An annular groove (851) is provided in the middle of the pressure roller (85), and a connecting ring (16) is rotatably connected to the outer arc surface of the annular groove (851), and a stud (17) is provided at the upper end of the outer arc surface of the connecting ring (16). A threaded cylinder (18) is rotatably connected to the middle of the horizontal plate body above the rectangular frame (82), and the threaded cylinder (18) is threadedly connected to the upper end of the stud (17).

6. The metal sheet bending and cutting device according to claim 5, characterized in that: The limit assembly (9) comprises a screw rod (91), a C-shaped seat (92), a guide column (93), a connecting shaft (94) and a connecting rod (95); the screw rod (91) is rotatably connected to the middle part of the lower end of the table plate (11); the middle part of the screw rod (91) is threadedly connected to the middle part of the horizontal plate body of the C-shaped seat (92); the lower surface of the table plate (11) is symmetrically provided with guide columns (93); the outer arc surfaces of the two guide columns (93) are respectively slidably connected to the inner walls of the sliding holes correspondingly arranged inside the horizontal plate body of the C-shaped seat (92); the top ends of the two vertical plates of the C-shaped seat (92) are both provided with connecting shafts (94); the outer arc surfaces of the connecting shafts (94) are both rotatably connected to the connecting rods (95); the front ends of the two connecting rods (95) are respectively rotatably connected to the left and right ends of the pad (81) through pins.

7. The metal sheet bending and cutting device according to claim 4, characterized in that: A motor three (13) is provided on the lower surface of the pad (81), and the top end of the output shaft of the motor three (13) is fixedly connected to the inside of the horizontal plate body below the rectangular frame (82).

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