Numerical control hydraulic swing type plate shearing machine

Abstract

The utility model discloses a numerical control hydraulic swing type plate shearing machine, relates to the field of plate shearing machines, and solves the problems that a plate is in a suspended state above a discharging chute and can only be fixed on one side of a cutter, so that the suspended end of the plate moves downwards during shearing when the plate is sheared, and the shearing precision of the plate is influenced. Comprising a machine body, an upper cutter, a lower cutter and a discharging chute, the upper cutter is movably arranged at the top of an inner cavity of the machine body, the lower cutter is located below the upper cutter, and the discharging chute is formed in one side of the lower cutter; a plate to be cut off can be supported through the movable supporting plate, meanwhile, a first hydraulic rod pushes a lifting plate to descend, rubber pressing seats are supported through supporting springs, the plate can be fixed on the two sides of a cutter through the rubber pressing seats after the lifting plate descends, displacement of the plate can be avoided in the cutting process, and the cutting efficiency is improved. The plate shearing precision can be improved, and burrs are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of plate shearing machines, in particular to a numerically controlled hydraulic swing type plate shearing machine. Background Art

[0002] Shearing machine is a kind of shearing equipment widely used in machining. It can shear steel plates of various thicknesses. Commonly used shearing machines are divided into three types: flat shearing, rolling shearing and vibration shearing.

[0003] The advantages of CNC hydraulic swing shearing machine are simple structure, small footprint, and suitable for small workshops. Its disadvantages are relatively poor shearing quality and inability to handle overly thick plates. Therefore, the choice of shearing machine should be determined according to specific needs and workload.

[0004] In order to facilitate material discharge during use, the existing CNC hydraulic swing shearing machine is provided with a discharge chute at the discharge position of the machine body, which results in the plate being suspended above the discharge chute when shearing the plate, and the plate can only be fixed on one side of the cutter. Therefore, when shearing the plate, the suspended end of the plate will move downward during shearing, which will affect the shearing accuracy of the plate. Therefore, it is necessary to propose a CNC hydraulic swing shearing machine. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the problems existing in the above-mentioned prior art, the utility model provides a numerically controlled hydraulic swing shearing machine.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a CNC hydraulic swing shearing machine, comprising a machine body, an upper cutter, a lower cutter and a discharging chute, wherein the upper cutter is movably arranged at the top of the inner cavity of the machine body, the lower cutter is located below the upper cutter, the discharging chute is arranged on one side of the lower cutter, plate fixing mechanisms are arranged on both sides of the upper cutter, and a support plate mechanism is arranged above the discharging chute;

[0009] The plate fixing mechanism comprises a No. 1 hydraulic rod symmetrically installed at both ends of the body, the No. 1 hydraulic rod is distributed on both sides of the upper cutter, the piston rod ends of the No. 1 hydraulic rod are fixedly connected to a lifting plate spanning the body cavity, and the lower surface of the lifting plate is evenly spaced with a plurality of groups of support springs;

[0010] The support plate mechanism comprises a movable support plate rotatably arranged at the top of the inner cavity of the discharging chute, the rotating shafts at the ends of the side walls of the movable support plate all penetrate the cavity wall of the machine body, and gear boxes are installed on both side surfaces of the machine body.

[0011] As a preferred solution of the CNC hydraulic swing shearing machine described in the utility model, lifting guide grooves are provided on both sides of the inner wall of the body corresponding to the end positions of the lifting plate, and the two ends of the lifting plate are respectively slidably connected to the lifting guide grooves.

[0012] As a preferred solution of the CNC hydraulic swing shearing machine described in the utility model, the ends of the support springs are fixedly connected with rubber pressure seats.

[0013] As a preferred solution of the CNC hydraulic swing shearing machine described in the utility model, a worm gear is rotatably provided in the inner cavity of the gear box, and the rotating shafts at the ends of the side walls of the movable support plate are fixedly connected to the worm gear.

[0014] As a preferred solution of the CNC hydraulic swing shearing machine described in the utility model, a servo motor is installed on the top surface of the gear box, the power output end of the servo motor is connected to a worm through a coupling, and the worm is connected to the worm gear transmission.

[0015] As a preferred solution of the CNC hydraulic swing shearing machine described in the utility model, an upper limit seat is welded on the inner wall of the machine body corresponding to the position of the movable support plate, and the upper surface of the movable support plate abuts against the lower surface of the upper limit seat after being flipped over.

[0016] As a preferred solution of the CNC hydraulic swing shearing machine described in the utility model, a guide groove is opened through the side wall surface of the machine body corresponding to the position of the movable support plate, a lower limit rod is movably provided in the inner cavity of the guide groove, and a No. 2 hydraulic rod is installed on both side surfaces of the machine body, and the piston rod ends of the No. 2 hydraulic rod are connected to the lower limit rod.

[0017] (III) Beneficial effects

[0018] The utility model provides a numerically controlled hydraulic swing shearing machine, which has the following beneficial effects:

[0019] 1. This new movable support plate can support the plate to be sheared. At the same time, the No. 1 hydraulic rod pushes the lifting plate down, and supports the rubber pressure seat through the support spring. After the lifting plate is lowered, the rubber pressure seat can fix the plate on both sides of the cutter. During the shearing process, the displacement of the plate can be avoided, the shearing accuracy of the plate can be improved, and the generation of burrs can be reduced.

[0020] 2. After shearing, the second hydraulic rod drives the lower limit rod to retract, and the servo motor rotates in the opposite direction through the worm and the worm gear, which can drive the movable support plate to flip and tilt, so that the sheared plate can slide out quickly under the action of gravity, realizing rapid unloading of the plate and improving the shearing efficiency of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0024] Figure 3 It is another structural schematic diagram of the utility model from another viewing angle.

[0025] Figure 4 It is a structural schematic diagram of the support plate mechanism of the utility model.

[0026] Figure 5 It is a rear view structural schematic diagram of the utility model.

[0027] In the figure, 1. machine body; 2. upper cutter; 3. lower cutter; 4. discharging chute; 5. plate fixing mechanism; 501. No. 1 hydraulic rod; 502. lifting plate; 503. supporting spring; 504. rubber pressure seat; 505. lifting guide groove; 6. support plate mechanism; 601. movable support plate; 602. gear box; 603. worm gear; 604. servo motor; 605. worm; 7. upper limit seat; 8. No. 2 hydraulic rod; 9. lower limit rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] Example 1

[0030] Reference Figure 1 , 2 , 3, 4 and 5 are the first embodiment of the utility model, which provides a CNC hydraulic swing shearing machine, including a body 1, an upper cutter 2, a lower cutter 3 and a discharging chute 4, wherein the upper cutter 2 is movably arranged at the top of the inner cavity of the body 1, the lower cutter 3 is located below the upper cutter 2, the discharging chute 4 is opened on one side of the lower cutter 3, a plate fixing mechanism 5 is arranged on both sides of the upper cutter 2, and a supporting plate mechanism 6 is arranged above the discharging chute 4;

[0031] The plate fixing mechanism 5 includes a No. 1 hydraulic rod 501 symmetrically installed at both ends of the body 1, and the No. 1 hydraulic rod 501 is distributed on both sides of the upper cutter 2. The piston rod ends of the No. 1 hydraulic rod 501 are fixedly connected to a lifting plate 502 spanning the inner cavity of the body 1, and a plurality of groups of support springs 503 are equidistantly provided on the lower surface of the lifting plate 502.

[0032] Furthermore, the sheet is inserted into the inner cavity of the machine body 1, and the upper cutter 2 moves downward. The sheet can be sheared by cooperating with the upper cutter 2 and the lower cutter 3. When shearing the sheet, the No. 1 hydraulic rod 501 pushes the lifting plate 502 to descend, and the lifting guide groove 505 can guide the lifting of the lifting plate 502. The rubber pressure seat 504 is supported by the support spring 503, so that the lifting plate 502 can be fixed on both sides of the cutter through the rubber pressure seat 504 after it descends, so that the displacement of the sheet can be avoided during the shearing process, the shearing accuracy of the sheet can be improved, and the generation of burrs can be reduced. After shearing, the No. 2 hydraulic rod 8 drives the lower limit rod 9 to retract, and the servo motor 604 rotates in the opposite direction through the worm 605 and the worm wheel 603, which can drive the movable support plate 601 to flip and tilt, so that the sheared sheet can slide out quickly under the action of gravity, so as to achieve rapid unloading of the sheet and improve the shearing efficiency of the sheet.

[0033] Specifically, lifting guide grooves 505 are provided at positions on both sides of the inner wall of the machine body 1 corresponding to the end positions of the lifting plate 502 , and the two ends of the lifting plate 502 are respectively connected to the lifting guide grooves 505 in a sliding manner.

[0034] Furthermore, the lifting guide groove 505 can guide the lifting of the lifting plate 502 .

[0035] Specifically, the ends of the support spring 503 are fixedly connected with a rubber pressure seat 504 .

[0036] Furthermore, the rubber pressure seat 504 abuts against the surface of the plate to limit the position of the plate. Meanwhile, the rubber pressure seat 504 is relatively soft in texture to avoid indentations on the surface of the plate.

[0037] Example 2

[0038] Reference Figure 1 , 2, 3, 4 and 5 are the second embodiment of the utility model, which is based on the previous embodiment. The support plate mechanism 6 includes a movable support plate 601 rotatably arranged on the top of the inner cavity of the discharge chute 4, and the rotating shafts at the ends of the side walls of the movable support plate 601 penetrate the cavity wall of the body 1. Gear boxes 602 are installed on both side surfaces of the body 1, and worm gears 603 are rotatably provided in the inner cavity of the gear box 602. The rotating shafts at the ends of the side walls of the movable support plate 601 are fixedly connected to the worm gear 603. A servo motor 604 is installed on the top surface of the gear box 602. The power output end of the servo motor 604 is connected to a worm 605 through a coupling, and the worm 605 is transmission-connected to the worm gear 603.

[0039] It should be noted that the servo motor 604 drives the worm 605 in the inner cavity of the gear box 602, the worm 605 drives the worm wheel 603 to rotate, and the worm wheel 603 drives the movable support plate 601 to flip over the discharge chute 4 through the rotating shaft. The movable support plate 601 can support the plate to be sheared off, so as to avoid the end of the plate from falling above the discharge chute 4 during shearing.

[0040] Specifically, an upper limit seat 7 is welded at the position of the inner wall of the body 1 corresponding to the position of the movable support plate 601. After the movable support plate 601 is flipped over, the upper surface abuts against the lower surface of the upper limit seat 7. A guide groove is opened through the side wall surface of the body 1 corresponding to the position of the movable support plate 601. A lower limit rod 9 is movably provided in the inner cavity of the guide groove. A No. 2 hydraulic rod 8 is installed on both side surfaces of the body 1, and the piston rod ends of the No. 2 hydraulic rod 8 are connected to the lower limit rod 9.

[0041] Furthermore, the movable support plate 601 abuts against the lower surface of the upper limit seat 7, and at the same time the No. 2 hydraulic rod 8 pushes out the lower limit rod 9, so that the bottom of the movable support plate 601 can be supported by the lower limit rod 9, and the end of the movable support plate 601 can be limited by the combination of the upper limit seat 7 and the lower limit rod 9, which can improve the stability of the movable support plate 601 during use.

[0042] Working principle: insert the plate into the inner cavity of the machine body 1, and the upper cutter 2 moves downward. The plate can be sheared by cooperating with the upper cutter 2 and the lower cutter 3. When shearing the plate, the servo motor 604 drives the worm 605 in the inner cavity of the gear box 602, and the worm 605 drives the worm wheel 603 to rotate. The worm wheel 603 drives the movable support plate 601 to flip over the discharge chute 4 through the rotating shaft. The movable support plate 601 abuts against the lower surface of the upper limit seat 7. At the same time, the No. 2 hydraulic rod 8 pushes out the lower limit rod 9. The bottom of the movable support plate 601 can be supported by the lower limit rod 9. The upper limit seat 7 and the lower limit rod 9 can be used to limit the end of the movable support plate 601, which can improve the stability of the movable support plate 601 when in use. The movable support plate 601 can be The sheared plate is supported, and at the same time, the No. 1 hydraulic rod 501 pushes the lifting plate 502 to descend. The lifting guide groove 505 can guide the lifting of the lifting plate 502. The rubber pressure seat 504 is supported by the support spring 503, so that the lifting plate 502 can be fixed on both sides of the cutter through the rubber pressure seat 504 after it descends, and the displacement of the plate can be avoided during the shearing process, the shearing accuracy of the plate can be improved, and the generation of burrs can be reduced. After shearing, the No. 2 hydraulic rod 8 drives the lower limit rod 9 to retract, and the servo motor 604 rotates in the opposite direction through the worm 605 and the worm wheel 603, which can drive the movable support plate 601 to flip and tilt, so that the sheared plate can slide out quickly under the action of gravity, so as to realize rapid unloading of the plate and improve the shearing efficiency of the plate.

[0043] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A CNC hydraulic swing shearing machine, comprising a machine body, an upper cutting knife, a lower cutting knife and a discharging chute, Features: The upper cutter is movably arranged at the top of the inner cavity of the machine body, the lower cutter is located below the upper cutter, the discharging chute is opened on one side of the lower cutter, plate fixing mechanisms are arranged on both sides of the upper cutter, and a supporting plate mechanism is arranged above the discharging chute; The plate fixing mechanism comprises a No. 1 hydraulic rod symmetrically installed at both ends of the body, the No. 1 hydraulic rod is distributed on both sides of the upper cutter, the piston rod ends of the No. 1 hydraulic rod are fixedly connected to a lifting plate spanning the inner cavity of the body, and the lower surface of the lifting plate is evenly spaced and provided with a plurality of groups of support springs; The support plate mechanism comprises a movable support plate rotatably arranged at the top of the inner cavity of the discharging chute, the rotating shafts at the ends of the side walls of the movable support plate all penetrate the cavity wall of the machine body, and gear boxes are installed on both side surfaces of the machine body.

2. A CNC hydraulic swing shearing machine according to claim 1, Features: Lifting guide grooves are provided at positions on both sides of the inner wall of the machine body corresponding to the end positions of the lifting plate, and the two ends of the lifting plate are respectively connected to the lifting guide grooves in a sliding manner.

3. A CNC hydraulic swing shearing machine according to claim 2, Features: The ends of the support springs are fixedly connected with rubber pressure seats.

4. A CNC hydraulic swing shearing machine according to claim 1, Features: A worm gear is rotatably arranged in the inner cavity of the gear box, and the rotating shafts at the ends of the side walls of the movable support plates are fixedly connected to the worm gear.

5. A CNC hydraulic swing shearing machine according to claim 4, Features: A servo motor is installed on the top surface of the gear box. The power output end of the servo motor is connected to a worm through a coupling, and the worm is connected to the worm wheel transmission.

6. A CNC hydraulic swing shearing machine according to claim 5, Features: An upper limit seat is welded at a position of the inner wall of the machine body corresponding to the position of the movable support plate, and the upper surface of the movable support plate abuts against the lower surface of the upper limit seat after being turned over.

7. A CNC hydraulic swing shearing machine according to claim 6, Features: A guide groove is provided through the side wall surface of the machine body at a position corresponding to the position of the movable support plate, a lower limit rod is movably provided in the inner cavity of the guide groove, and a second hydraulic rod is installed on both side surfaces of the machine body, and the piston rod end of the second hydraulic rod is connected to the lower limit rod.

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