Steel plate shearing device

Abstract

The utility model relates to the technical field of steel plate shearing, in particular to a steel plate shearing device which can be used for automatically and continuously conveying and shearing a steel plate at a fixed length and is high in working efficiency. Comprising a workbench; the device comprises a workbench and further comprises a first electromagnet, a second electromagnet, a rack, hub frames, a shear knife, a swing arm, a pull rod and two shaft pipes, the first electromagnet is arranged at the right end of the upper end face of the workbench, the second electromagnet is slidably installed on the left portion of the workbench, the rack is located on the right side of the workbench, and the two hub frames are rotationally installed on the rack through the two shaft pipes correspondingly; the two ends of the shear knife are connected with the edges of the two hub frames correspondingly, when the shear knife rotates to the left side of the rack, the cutting edge of the shear knife faces downwards and is aligned with the right end edge of the workbench, the inner end of the swing arm is connected with one shaft pipe, the right end of the pull rod is rotationally connected with the swing arm, and the left end of the pull rod is rotationally connected with the second electromagnet.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plate shearing, in particular to a steel plate shearing device. Background Art

[0002] Shearing is often performed when processing steel plates. Various steel plate shearing devices have been proposed in the prior art. For example, Chinese utility model patent with publication number CN219426140U proposes a steel plate shearing device used in a processing workshop. The steel plate shearing device pushes the connecting block to move through the electric telescopic rod three, so that the bottom surface of the grinding head contacts the upper surface of the steel plate, and the grinding head is driven to rotate by the motor three, so that the upper surface of the steel plate is polished, thereby reducing burrs on the steel plate and making the upper surface of the steel plate smoother. The cutting knife is pushed toward the polished steel plate by the hydraulic rod, so that the steel plate is sheared and the shearing quality is improved.

[0003] However, although the above-mentioned prior art conveys the steel plate backwards by the cooperation of the conveying roller 1 and the conveying roller 2, it does not have the function of fixed-length conveying of the steel plate, is not convenient for accurate continuous shearing, and has low working efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a steel plate shearing device which can automatically and continuously transport and shear steel plates at a fixed length and has high working efficiency.

[0005] The utility model discloses a steel plate shearing device, comprising a workbench; further comprising an electromagnet 1, an electromagnet 2, a frame, a hub frame, a shearing knife, a swing arm, a pull rod and two shaft tubes, wherein the electromagnet 1 is arranged at the right end of the upper end surface of the workbench, the electromagnet 2 is slidably mounted on the left part of the workbench, the frame is located on the right side of the workbench, the two hub frames are rotatably mounted on the frame through two shaft tubes, the two ends of the shearing knife are respectively connected to the edges of the two hub frames, when the shearing knife rotates to the left side of the frame, its cutting edge faces downward and is aligned with the right end edge of the workbench, the inner end of the swing arm is connected to an shaft tube, the right end of the pull rod is rotatably connected to the swing arm, and the left end of the pull rod is rotatably connected to the electromagnet 2; the shearing knife rotates counterclockwise, and when shearing the steel plate, the steel plate is placed on the workbench, and the two shaft tubes rotate synchronously. , the shaft tube drives the swing arm to rotate, and the swing arm drives the electromagnet 2 to move back and forth on the workbench through the pull rod. When the electromagnet 2 moves to the right, the electromagnet 2 is energized to adsorb the steel plate on the workbench. When the electromagnet 2 reaches the rightmost end of the stroke, the power is cut off. At the same time, the electromagnet 1 is energized to adsorb the steel plate on the workbench, thereby conveying the steel plate to the right for a fixed distance, and making the part to be sheared extend out of the right side of the workbench, and each time the steel plate is conveyed for twice the distance between the left end of the pull rod and the axis of the shaft tube, the electromagnet 2 moves to the left and resets. At this time, the two shaft tubes synchronously drive the two wheel hub frames and the shearing knife to rotate to the top of the steel plate and shear downward, so that the cutting edge of the shearing knife cooperates with the right end edge of the workbench to cut off the steel plate extending out of the right end of the workbench, realizing automatic continuous fixed-length shearing of the steel plate with high work efficiency.

[0006] Preferably, it also includes a slide groove and a slider. The slide groove is set on the swing arm, and the slider can be locked and slidably installed in the slide groove. The right end of the pull rod is rotatably connected to the slider. The position of the slider is adjusted in the slide groove to adjust the distance between the slider and the axis of the shaft tube, thereby adjusting the length of a single conveying of the steel plate, which has good versatility.

[0007] Preferably, it also includes photoelectric switch 1 and photoelectric switch 2, which are respectively installed on the frame through the middle, photoelectric switch 1 is located on the right side of the frame, and photoelectric switch 2 is located on the left side of the frame, and photoelectric switch 1 and photoelectric switch 2 are both electrically connected to the controllers of electromagnet 1 and electromagnet 2; the swing arm rotates counterclockwise, and when the swing arm passes through photoelectric switch 2, the swing arm pushes electromagnet 2 to the left end of the stroke of electromagnet 2 through the pull rod, and photoelectric switch 2 sends a signal to the controllers of electromagnet 2 and electromagnet 1, so that electromagnet 1 is powered off to release the steel plate, and electromagnet 2 is powered on to adsorb the steel plate, thereby transporting the steel plate to the right, and when the swing arm passes through photoelectric switch 1, the swing arm pulls electromagnet 2 to the right end of the stroke of electromagnet 2 through the pull rod, and photoelectric switch 1 sends a signal to the controllers of electromagnet 2 and electromagnet 1, so that electromagnet 2 is powered off to release the steel plate, and electromagnet 1 is powered on to adsorb the steel plate, thereby realizing automatic and continuous shearing of steel plates.

[0008] Preferably, it also includes two slides, four limit blocks and four bolts. The two slides are horizontally arranged at the left and right ends of the workbench, respectively. The two slides are relatively slidably installed with the two limit blocks. The four limit blocks are rotated and screwed with bolts. The four bolts lock the four limit blocks in the two slides respectively; the positions of the four limit blocks are adjusted along the two slides, and the four bolts are tightened to lock the four limit blocks. The four limit blocks limit and guide the left and right sides of the steel plate to improve the accuracy of steel plate shearing.

[0009] Preferably, it also includes a motor, a driving wheel, a driven wheel and a transmission belt. The driving wheel is concentrically mounted on the output shaft of the motor, the driven wheel is concentrically mounted on the shaft tube, and the transmission belt is sleeved on the driving wheel and the driven wheel. The motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, the driven wheel drives the shaft tube to rotate, and the shaft tube drives the wheel hub frame and the shearing knife to rotate, thereby realizing the driving of the two wheel hub frames and the shearing knife. The technology is mature and reliable, and has good practicality.

[0010] Preferably, it also includes a flywheel, which is concentrically installed on the shaft tube and balances the dynamic balance of the two wheel hub frames and the shearing knife. By arranging the flywheel, the rotational inertia of the two wheel hub frames and the shearing knife is increased, and the efficiency of shearing the steel plate is improved. At the same time, the flywheel dynamically balances the rotation of the two wheel hub frames and the shearing knife, thereby making the rotation stability of the two wheel hub frames and the shearing knife better.

[0011] Preferably, it also includes a cross bar, a support plate and two torsion springs, the cross bar is passed through two axial tubes, the cross bar is connected to the frame, the two sides of the support plate are rotatably connected to the cross bar through ear plates, the two torsion springs elastically connect the cross bar and the support plate, the support plate is horizontally arranged below the cross bar, and the upper end surface of the support plate is flush with the upper end surface of the workbench; the part of the steel plate extending out of the right end of the workbench is supported by the support plate to avoid bending of the steel plate and the resulting reduction in shearing quality; when the shearing knife shears the steel plate, the sheared part of the steel plate is driven by the friction force of the shearing knife to rotate the support plate to the left, so that the sheared part of the steel plate slides out along the support plate, realizing automatic unloading, and after unloading is completed, the elastic force of the torsion spring resets the support plate to a horizontal position, thereby improving work efficiency.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the shearing knife rotates counterclockwise, and when shearing the steel plate, the steel plate is placed on the workbench, the two shaft tubes rotate synchronously, the shaft tube drives the swing arm to rotate, and the swing arm drives the electromagnet 2 to move back and forth left and right on the workbench through the pull rod. When the electromagnet 2 moves to the right, the electromagnet 2 is energized to adsorb the steel plate on the workbench, and the electromagnet 2 is powered on when it reaches the rightmost end of the stroke. At the same time, the electromagnet 1 is energized to adsorb the steel plate on the workbench, thereby conveying the steel plate to the right for a fixed length, and making the part to be sheared extend out of the right side of the workbench, and each time the steel plate is conveyed for twice the distance between the left end of the pull rod and the axis of the shaft tube, the electromagnet 2 moves to the left and resets, and at this time the two shaft tubes synchronously drive the two hub frames and the shearing knife to rotate to the top of the steel plate and shear downward, so that the cutting edge of the shearing knife cooperates with the right end edge of the workbench to cut off the steel plate extending out of the right end of the workbench, thereby realizing automatic continuous fixed-length shearing of the steel plate, and high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a side view structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the axonometric structure of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the workbench, electromagnet 1 and electromagnet 2;

[0017] Figure 5 It is a schematic diagram of the structure of the frame, hub frame, shear knife, shaft tube, motor and driving wheel;

[0018] Figure 6 It is a structural diagram of the frame, axle tube, cross bar and support plate.

[0019] Markings in the attached figure: 1. workbench; 2. electromagnet 1; 3. electromagnet 2; 4. frame; 5. hub frame; 6. shear knife; 7. swing arm; 8. pull rod; 9. slide groove; 10. slider; 11. photoelectric switch 1; 12. photoelectric switch 2; 13. slideway; 14. limit block; 15. bolt; 16. shaft tube; 17. motor; 18. driving wheel; 19. driven wheel; 20. transmission belt; 21. flywheel; 22. cross bar; 23. support plate; 24. torsion spring. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 4 As shown, a steel plate shearing device includes a workbench 1; it also includes an electromagnet 1 2, an electromagnet 2 3, a frame 4, a hub frame 5, a shearing knife 6, a swing arm 7, a pull rod 8 and two shaft tubes 16, the electromagnet 1 2 is arranged at the right end of the upper end surface of the workbench 1, the electromagnet 2 3 is slidably installed on the left part of the workbench 1, the frame 4 is located on the right side of the workbench 1, the two hub frames 5 are rotatably installed on the frame 4 through two shaft tubes 16, the two ends of the shearing knife 6 are respectively connected to the edges of the two hub frames 5, when the shearing knife 6 rotates to the left side of the frame 4, its cutting edge faces downward and is aligned with the right end edge of the workbench 1, the inner end of the swing arm 7 is connected to a shaft tube 16, the right end of the pull rod 8 is rotatably connected to the swing arm 7, the left end of the pull rod 8 is rotatably connected to the electromagnet 2 3, and also includes a slide groove 9 and a slider 10, the slide groove 9 is arranged on the swing arm 7, the slide The block 10 is lockably slidably installed in the slide groove 9, and the right end of the pull rod 8 is rotatably connected to the slider 10; it also includes a photoelectric switch 11 and a photoelectric switch 2, which are respectively installed on the frame 4 through the photoelectric switch 11 and the photoelectric switch 2 12, and the photoelectric switch 11 is located on the right side of the frame 4, and the photoelectric switch 2 12 is located on the left side of the frame 4. The photoelectric switch 11 and the photoelectric switch 2 12 are both electrically connected to the controllers of the electromagnet 1 2 and the electromagnet 2 3; it also includes two slideways 13, four limit blocks 14 and four bolts 15, the two slideways 13 are respectively arranged horizontally at the left and right ends of the workbench 1, and the two slideways 13 are relatively slidably installed on the two limit blocks 14, and the four limit blocks 14 are rotatably screwed with bolts 15, and the four bolts 15 respectively lock the four limit blocks 14 in the two slideways 13.

[0023] Adjust the positions of the four limit blocks 14 along the two slideways 13, and tighten the four bolts 15 to lock the four limit blocks 14, and the shear knife 6 rotates counterclockwise, and adjusts the position of the slider 10 in the slide groove 9 to adjust the distance between the slider 10 and the axis of the shaft tube 16, thereby adjusting the length of the single conveying of the steel plate. When shearing the steel plate, the steel plate is placed on the workbench 1, and the four limit blocks 14 limit the left and right sides of the steel plate. The two shaft tubes 16 rotate synchronously, and the shaft tube 16 drives the swing arm 7 to rotate. The swing arm 7 drives the electromagnet 2 3 to move back and forth left and right on the workbench 1 through the pull rod 8. When the swing arm 7 passes the photoelectric switch 2 12, the swing arm 7 pushes the electromagnet 2 3 to the left end of the stroke of the electromagnet 2 3 through the pull rod 8. The photoelectric switch 2 12 sends a signal to the controllers of the electromagnet 2 3 and the electromagnet 1 2, so that the electromagnet 1 2 is powered off and releases the steel plate. At the same time, electromagnet 23 is energized to adsorb the steel plate, thereby conveying the steel plate to the right for a fixed length, and making the part that needs to be sheared extend out of the right side of the workbench 1, and each time the steel plate is conveyed for twice the distance between the left end of the pull rod 8 and the axial line of the shaft tube 16, electromagnet 23 moves to the left and resets, and when the swing arm 7 passes through the photoelectric switch 11, the swing arm 7 pulls the electromagnet 23 to the right end of the stroke of the electromagnet 23 through the pull rod 8, and the photoelectric switch 11 sends a signal to the controllers of electromagnet 23 and electromagnet 12, so that the electromagnet 23 is de-energized to release the steel plate, and at the same time, the electromagnet 2 is energized to adsorb the steel plate. At this time, the two shaft tubes 16 synchronously drive the two hub frames 5 and the shearing knife 6 to rotate to the top of the steel plate and shear downward, so that the cutting edge of the shearing knife 6 cooperates with the right end edge of the workbench 1 to cut off the steel plate extending out of the right end of the workbench 1, thereby realizing automatic continuous fixed-length shearing of the steel plate.

[0024] Example 2

[0025] like Figure 3 and Figure 5 As shown, on the basis of Example 1, it also includes a motor 17, a driving wheel 18, a driven wheel 19 and a transmission belt 20, the output shaft of the motor 17 is concentrically mounted on the driving wheel 18, the driven wheel 19 is concentrically mounted on the shaft tube 16, and the transmission belt 20 is sleeved on the driving wheel 18 and the driven wheel 19; it also includes a flywheel 21, the flywheel 21 is concentrically mounted on the shaft tube 16, and the flywheel 21 balances the dynamic balance of the two wheel hub frames 5 and the shear knife 6.

[0026] The motor 17 drives the driving wheel 18 to rotate, and the driving wheel 18 drives the driven wheel 19 to rotate through the transmission belt 20, and the driven wheel 19 drives the shaft tube 16 to rotate, and the shaft tube 16 drives the hub frame 5 and the shearing knife 6 to rotate, thereby driving the two hub frames 5 and the shearing knife 6. By setting the flywheel 21, the rotational inertia of the two hub frames 5 and the shearing knife 6 is improved, and the efficiency of shearing the steel plate is improved. At the same time, the flywheel 21 dynamically balances the rotation of the two hub frames 5 and the shearing knife 6, so that the rotation stability of the two hub frames 5 and the shearing knife 6 is better.

[0027] Example 3

[0028] like Figure 2 and Figure 6 As shown, on the basis of Example 1, it also includes a cross bar 22, a support plate 23 and two torsion springs 24. The cross bar 22 is inserted into the two shaft tubes 16, and the cross bar 22 is connected to the frame 4. The two sides of the support plate 23 are rotatably connected to the cross bar 22 through ear plates. The two torsion springs 24 elastically connect the cross bar 22 and the support plate 23. The support plate 23 is horizontally arranged below the cross bar 22, and the upper end surface of the support plate 23 is flush with the upper end surface of the workbench 1.

[0029] The part of the steel plate extending out of the right end of the workbench 1 is supported by the support plate 23 to prevent the steel plate from bending and causing a decrease in shearing quality. When the shearing knife 6 shears the steel plate, the sheared part of the steel plate is driven by the friction force of the shearing knife 6 to rotate the support plate 23 to the left, so that the sheared part of the steel plate slides out along the support plate 23, realizing automatic unloading. After unloading is completed, the elastic force of the torsion spring 24 causes the support plate 23 to return to horizontal position.

[0030] like Figures 1 to 6 As shown, a steel plate shearing device of the utility model, when working, firstly, the motor 17 drives the driving wheel 18 to rotate, the driving wheel 18 drives the driven wheel 19 to rotate through the transmission belt 20, the driven wheel 19 drives the shaft tube 16 to rotate, the shaft tube 16 drives the hub frame 5 and the shearing knife 6 to rotate counterclockwise, when the steel plate is sheared, the steel plate is then placed on the workbench 1, the four limit blocks 14 limit the left and right sides of the steel plate, the two shaft tubes 16 rotate synchronously, the shaft tube 16 drives the swing arm 7 to rotate, the swing arm 7 drives the electromagnet 2 3 to move back and forth on the workbench 1 through the pull rod 8, and then when the swing arm 7 passes the photoelectric switch 2 12, the swing arm 7 pushes the electromagnet 2 3 to the left end of the stroke of the electromagnet 2 3 through the pull rod 8, the photoelectric switch 2 12 sends a signal to the controllers of the electromagnet 2 3 and the electromagnet 1 2, so that the electromagnet 1, the electromagnet 2 is powered off to release the steel plate, and at the same time, the electromagnet 2 is powered on to absorb the steel plate, thereby conveying the steel plate to the right. When the swing arm 7 passes the photoelectric switch 11, the swing arm 7 pulls the electromagnet 23 to the right end of the stroke of the electromagnet 23 through the pull rod 8. The photoelectric switch 11 sends a signal to the controllers of the electromagnet 23 and the electromagnet 2, so that the electromagnet 23 is powered off to release the steel plate, and at the same time, the electromagnet 2 is powered on to absorb the steel plate, and the electromagnet 23 moves to the left and resets, and the part of the steel plate extending out of the right end of the workbench 1 is supported by the support plate 23. Finally, the two shaft tubes 16 synchronously drive the two wheel hub frames 5 and the shearing knife 6 to rotate to the top of the steel plate and shear downward, so that the cutting edge of the shearing knife 6 cooperates with the right end edge of the workbench 1 to cut off the steel plate extending out of the right end of the workbench 1, so that the cut part of the steel plate slides out along the support plate 23, and automatic unloading is realized.

[0031] The main functions achieved by this utility model are:

[0032] 1. It can automatically and continuously transport and cut steel plates to fixed length, with high working efficiency;

[0033] 2. Able to adjust the length of continuous fixed-length conveying, with good versatility;

[0034] 3. It can limit and guide the steel plate to improve the shearing quality.

[0035] The utility model discloses a steel plate shearing device, whose installation mode, connection mode or setting mode are all common mechanical modes, and any mode that can achieve its beneficial effects can be implemented; the utility model discloses a steel plate shearing device, whose working table 1, electromagnet 1 2, electromagnet 2 3, hub frame 5, shear knife 6, slider 10, photoelectric switch 1 11, photoelectric switch 2 12, bolt 15, motor 17, driving wheel 18, driven wheel 19, transmission belt 20, flywheel 21, cross bar 22 and torsion spring 24 are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0036] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A steel plate shearing device, comprising a workbench (1); characterized in that: The invention also comprises an electromagnet 1 (2), an electromagnet 2 (3), a frame (4), a wheel hub frame (5), a shearing knife (6), a swing arm (7), a pull rod (8) and two shaft tubes (16), wherein the electromagnet 1 (2) is arranged at the right end of the upper end surface of the workbench (1), the electromagnet 2 (3) is slidably mounted on the left part of the workbench (1), the frame (4) is located on the right side of the workbench (1), the two wheel hub frames (5) are rotatably mounted on the frame (4) through two shaft tubes (16), the two ends of the shearing knife (6) are respectively connected to the edges of the two wheel hub frames (5), when the shearing knife (6) rotates to the left side of the frame (4), its cutting edge faces downward and is aligned with the right end edge of the workbench (1), the inner end of the swing arm (7) is connected to a shaft tube (16), the right end of the pull rod (8) is rotatably connected to the swing arm (7), and the left end of the pull rod (8) is rotatably connected to the electromagnet 2 (3).

2. A steel plate shearing device as claimed in claim 1, characterized in that: It also includes a slide groove (9) and a slider (10). The slide groove (9) is arranged on the swing arm (7). The slider (10) is lockably slidably installed in the slide groove (9). The right end of the pull rod (8) is rotatably connected to the slider (10).

3. A steel plate shearing device as claimed in claim 1, characterized in that: The invention also comprises a photoelectric switch 1 (11) and a photoelectric switch 2 (12). The photoelectric switch 1 (11) and the photoelectric switch 2 (12) are respectively installed on the frame (4) through a hole. The photoelectric switch 1 (11) is located on the right side of the frame (4), and the photoelectric switch 2 (12) is located on the left side of the frame (4). The photoelectric switch 1 (11) and the photoelectric switch 2 (12) are both electrically connected to the controllers of the electromagnet 1 (2) and the electromagnet 2 (3).

4. A steel plate shearing device as claimed in claim 1, characterized in that: The machine also comprises two slideways (13), four limit blocks (14) and four bolts (15). The two slideways (13) are respectively arranged transversely at the left end and the right end of the workbench (1). The two slideways (13) are relatively slidably mounted on the two limit blocks (14). The four limit blocks (14) are rotatably screwed with bolts (15). The four bolts (15) respectively lock the four limit blocks (14) in the two slideways (13).

5. A steel plate shearing device as claimed in claim 1, characterized in that: The invention also comprises a motor (17), a driving wheel (18), a driven wheel (19) and a transmission belt (20), wherein the output shaft of the motor (17) is coaxially mounted on the driving wheel (18), the driven wheel (19) is coaxially mounted on the shaft tube (16), and the transmission belt (20) is sleeved on the driving wheel (18) and the driven wheel (19).

6. A steel plate shearing device as claimed in claim 5, characterized in that: The invention also comprises a flywheel (21), which is coaxially mounted on the shaft tube (16) and is used to balance the dynamic balance of the two wheel hub frames (5) and the shearing knife (6).

7. A steel plate shearing device as claimed in claim 1, characterized in that: The machine also comprises a cross bar (22), a support plate (23) and two torsion springs (24); the cross bar (22) is inserted into the two shaft tubes (16); the cross bar (22) is connected to the frame (4); two sides of the support plate (23) are rotatably connected to the cross bar (22) through ear plates; the two torsion springs (24) elastically connect the cross bar (22) and the support plate (23); the support plate (23) is horizontally arranged below the cross bar (22); and the upper end surface of the support plate (23) is flush with the upper end surface of the workbench (1).

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