Plate shearing mechanism for plate shearing machine

Abstract

The plate shearing mechanism comprises a base, stand columns are fixedly installed at the positions, close to the left end and the right end, of the upper surface of the base, the upper ends of the left stand column and the right stand column are fixedly connected through a cross beam, a hydraulic cylinder is fixed to the center of the upper surface of the cross beam, and an ejector rod of the hydraulic cylinder penetrates through the cross beam and is fixedly connected with a lifting rod. A left clamping block and a right clamping block which can be adjusted in the left-right direction are clamped to the lower side of the lifting rod, an upper blade is clamped between the left clamping block and the right clamping block, and a supporting table which can be adjusted in a telescopic mode towards the front side is fixed to the upper surface of the base. The upper blade is clamped in the middle through the clamping blocks on the left side and the right side to be clamped and fixed so that clamping of the upper blade can be completed, the left-right position can be adjusted through the left clamping block and the right clamping block so that large-range adjustment can be conducted according to the size of the upper blade, and installation and adjustment of the upper blade with the large size or the small size can be met; and when the upper blades with different sizes are installed, the adaptability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of shearing machines, in particular to a shearing mechanism for shearing machines. Background Art

[0002] Shearing machine is a machine that uses one blade to make a reciprocating linear motion relative to another blade to shear the plate. It uses the moving upper blade and the fixed lower blade, and adopts a reasonable blade gap to apply shear force to metal plates of various thicknesses, so that the plates are broken and separated according to the required size.

[0003] The Chinese patent with the announcement number CN210523958U discloses a shearing mechanism for a shearing machine, including a bottom plate, a hydraulic cylinder, a guide and a clamp. The top wall of the bottom plate is fixed with two groups of side plates, the top walls of the two groups of side plates are fixed with a top plate, a hydraulic cylinder is fixed at the center of the top wall of the top plate, the bottom end of the movable rod of the hydraulic cylinder passes through the top plate, and the bottom end of the piston rod is fixed with a clamp, two groups of guides are fixed between the top plate and the clamp, an upper blade is fixed inside the clamp, another group of clamps is fixed on the top wall of the bottom plate, and a lower blade is fixed inside the clamp, a support plate is fixed between the two groups of side plates, a through groove adapted to the upper blade is opened inside the support plate, a conveying frame is provided on one side of the support plate, and a material receiving box is provided on the side of the conveying frame away from the support plate. The shearing mechanism for a shearing machine can reduce the shaking of the blade and facilitate the transportation and collection of materials.

[0004] The shearing mechanism of the shearing machine mentioned above fixes and installs the upper blade through the slot opened inside the shell and the provided screws and gaskets. However, due to the limitation of the length of the screw, it is unable to meet the installation and fixation of the upper blade of larger or smaller size when installing the upper blade. There is a certain lack of adaptability when installing upper blades of different sizes. Utility Model Content

[0005] In order to solve the above problems, the present application provides a shearing mechanism for a shearing machine, which adopts the following technical solution:

[0006] A shearing mechanism for a shearing machine includes a base, wherein columns are fixedly installed on the upper surface of the base near the left and right ends, and the upper ends of the left and right columns are fixedly connected by a cross beam, a hydraulic cylinder is fixed at the center of the upper surface of the cross beam, and the top rod of the hydraulic cylinder passes through the cross beam and is fixedly connected to a lifting rod, two left and right clamping blocks that can be adjusted to the left and right positions are clamped on the lower side of the lifting rod, and an upper blade is clamped between the left and right clamping blocks, a support platform that can be telescopically adjusted toward the front side is fixed to the upper surface of the base, and a lower blade fixed to the base is provided at the rear end of the support platform.

[0007] Optionally, a transverse hanging rod is fixed to the upper end of the upper blade, and the left and right ends of the hanging rod are respectively clamped on the left and right clamping blocks, and the clamping blocks are provided with hanging grooves for clamping the end parts of the hanging rod.

[0008] Optionally, a clamping plate that slides onto the lifting rod is fixed to the upper end of the clamping block, and a locking screw is threadedly installed near the edge of the clamping plate, and a tightening screw is threadedly installed at a position on the front side of the clamping block corresponding to the hanging groove.

[0009] Optionally, a sliding slot for clamping a clamping plate is provided on the lower side of the lifting rod, and sliders are provided on both ends of the lifting rod, a support plate clamped on the column is fixed on the slider, and a sliding slot for slidingly guiding the slider and the support plate is provided on the inner side of the column.

[0010] Optionally, the upper surface of the support platform is provided with a plurality of slots penetrating toward the front side, and movable rods are inserted into the slots, and the front ends of the plurality of movable rods are fixedly connected by connecting rods.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the upper blade is clamped in the middle by the clamping blocks on the left and right sides to clamp and fix the upper blade, and the left and right positions can be adjusted by the two clamping blocks on the left and right sides, so that a wide range of adjustments can be made according to the size of the upper blade, which can meet the installation and adjustment of upper blades of larger or smaller sizes, and has strong adaptability when installing upper blades of different sizes;

[0013] 2. When the board to be cut is long, the movable rod can be extended to the front side to support the board, and it can be retracted when not in use, thereby reducing the occupied space and having better flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a three-dimensional diagram of a shearing mechanism for a shearing machine of the utility model;

[0016] Figure 2 It is a schematic diagram of a clamping block of a shearing mechanism for a shearing machine shown in the utility model;

[0017] Figure 3It is a schematic diagram of a lifting rod of a shearing mechanism for a shearing machine shown in the utility model;

[0018] Figure 4 It is a schematic diagram of a support platform of a shearing mechanism for a shearing machine shown in the utility model.

[0019] In the figure: 1. base; 110. positioning hole; 2. column; 21. slide; 3. beam; 4. hydraulic cylinder; 5. lifting rod; 51. slider; 52. sliding slot; 53. support plate; 6. clamping block; 61. hanging slot; 62. clamping plate; 63. locking screw; 64. tightening screw; 7. upper blade; 71. hanging rod; 8. support platform; 81. slot; 82. connecting rod; 83. movable rod; 9. lower blade. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0021] Please refer to Figure 1 As shown, a shearing mechanism for a shearing machine includes a base 1, and columns 2 are fixedly installed on the upper surface of the base 1 near the left and right ends, and the upper ends of the left and right columns 2 are fixedly connected by a cross beam 3, a hydraulic cylinder 4 is fixed at the center of the upper surface of the cross beam 3, and the top rod of the hydraulic cylinder 4 passes through the cross beam 3 and is fixedly connected to a lifting rod 5, and the lower side of the lifting rod 5 is clamped with left and right clamping blocks 6 that can be adjusted to the left and right positions, and an upper blade 7 is clamped between the left and right clamping blocks 6, and a support platform 8 that can be telescopically adjusted to the front side is fixed on the upper surface of the base 1, and a lower blade 9 fixed to the base 1 is provided at the rear end of the support platform 8, and the upper blade 7 is clamped in the middle by the clamping blocks 6 on the left and right sides for clamping and fixing, thereby completing the clamping of the upper blade 7, and the left and right positions can be adjusted by the left and right clamping blocks 6, so that a wide range of adjustments can be made according to the size of the upper blade 7, which can meet the installation and adjustment of upper blades 7 of larger or smaller sizes, and has strong adaptability when installing upper blades 7 of different sizes.

[0022] Please refer to Figure 2As shown, a horizontal hanging rod 71 is fixed to the upper end of the upper blade 7, and the left and right ends of the hanging rod 71 are respectively clamped on the clamping blocks 6 on the left and right sides. The clamping blocks 6 are provided with hanging grooves 61 for clamping the end parts of the hanging rod 71. The upper blade 7 is clamped in the hanging grooves 61 through the end parts of the hanging rod 71, so that the upper blade 7 is clamped by the two clamping blocks 6.

[0023] Please refer to Figure 2 As shown, a clamping plate 62 is fixed on the upper end of the clamping block 6 and is slidably clamped on the lifting rod 5, and a locking screw 63 is threadedly installed near the edge of the clamping plate 62. The clamping block 6 is slidably clamped on the lifting rod 5 through the clamping plate 62 to slide left and right, and is locked and fixed by the locking screw 63. A tightening screw 64 is threadedly installed at a position on the front side of the clamping block 6 corresponding to the hanging groove 61 for tightening on the upper blade 7 for fixing.

[0024] Please refer to Figure 3 As shown, a sliding groove 52 for clamping the clamping plate 62 is provided on the lower side of the lifting rod 5, and sliders 51 are mounted on both the left and right ends of the lifting rod 5, and a support plate 53 clamped on the column 2 is fixed on the slider 51, and a slide groove 21 for slidingly guiding the slider 51 and the support plate 53 is provided on the inner side surface of the column 2. The lifting rod 5 is slidably clamped in the slide groove 21 through the sliders 51 and the support plate 53 at the left and right ends, so as to achieve guidance during lifting.

[0025] Please refer to Figure 4 As shown, the upper surface of the support platform 8 is provided with a plurality of slots 81 penetrating toward the front side, and movable rods 83 are inserted into the slots 81. The front ends of the plurality of movable rods 83 are fixedly connected by connecting rods 82. When the board to be cut is long, the movable rods 83 can be extended toward the front side to support the board. When not in use, the movable rods 83 can be retracted to reduce the occupied space and have good flexibility of use.

[0026] Working principle: when installing the upper blade 7, hang the left end of its hanging rod 71 in the hanging groove 61 on the left clamping block 6, and then move the clamping block 6 on the right so that the right end of the hanging rod 71 is in the hanging groove 61. At this time, screw the tightening screw 64 to tighten and fix the upper blade 7, and then screw the locking screw 63 to lock and fix the clamping block 6. When cutting the board, place it on the support table 8, and determine the position of the board according to the cutting size. After the position of the board is determined, the lifting rod 5 is driven down by the hydraulic cylinder 4 to drive the upper blade 7 to descend. The descent of the upper blade 7 cooperates with the lower blade 9 to complete the cutting of the board.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A shearing mechanism for a shearing machine, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly mounted with columns (2) near the left and right ends, and the upper ends of the left and right columns (2) are fixedly connected via a cross beam (3). A hydraulic cylinder (4) is fixed at the center of the upper surface of the cross beam (3), and the top rod of the hydraulic cylinder (4) passes through the cross beam (3) and is fixedly connected to a lifting rod (5). The lower side of the lifting rod (5) is clamped with two left and right clamping blocks (6) that can be adjusted to the left and right positions, and an upper blade (7) is clamped between the left and right clamping blocks (6). The upper surface of the base (1) is fixed with a support platform (8) that can be telescopically adjusted toward the front side, and a lower blade (9) fixed to the base (1) is provided at the rear end of the support platform (8).

2. A shearing mechanism for a shearing machine according to claim 1, characterized in that: A transverse hanging rod (71) is fixed to the upper end of the upper blade (7), and the left and right ends of the hanging rod (71) are respectively clamped on the clamping blocks (6) on the left and right sides, and the clamping blocks (6) are provided with hanging grooves (61) for clamping the end parts of the hanging rod (71).

3. A shearing mechanism for a shearing machine according to claim 2, characterized in that: A clamping plate (62) is fixed at the upper end of the clamping block (6) and is slidably clamped on the lifting rod (5), and a locking screw (63) is threadedly installed near the edge of the clamping plate (62), and a tightening screw (64) is threadedly installed at a position corresponding to the hanging groove (61) on the front side of the clamping block (6).

4. A shearing mechanism for a shearing machine according to claim 3, characterized in that: The lower side of the lifting rod (5) is provided with a sliding groove (52) for clamping the clamping plate (62), and the left and right ends of the lifting rod (5) are both provided with sliding blocks (51), and the sliding blocks (51) are fixed with a supporting plate (53) clamped on the column (2), and the inner side surface of the column (2) is provided with a sliding groove (21) for slidingly guiding the sliding block (51) and the supporting plate (53).

5. A shearing mechanism for a shearing machine according to claim 1, characterized in that: The upper surface of the support platform (8) is provided with a plurality of slots (81) penetrating toward the front side, and movable rods (83) are inserted into the slots (81), and the front ends of the plurality of movable rods (83) are fixedly connected by connecting rods (82).

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