Plate shearing mechanism of plate shearing machine

Abstract

The utility model discloses a plate shearing mechanism of a plate shearing machine, which comprises a rack, two sides of the rack are vertically and fixedly connected with guide rails, a working table of the rack is slidably connected with a moving seat, a knife rest is arranged between the two guide rails, one side of the knife rest is provided with an upper cutter, and the other side of the knife rest is provided with a lower cutter. One side of the top of the movable seat is fixedly connected with a tool apron, one side of the tool apron is provided with a lower cutter, a fastening adjusting assembly is fixedly connected between the lower cutter and the tool apron, one side of the movable seat is provided with a U-shaped fixing groove, and a fixing screw rod is fixedly connected to the working table of the rack; and a locking nut is in threaded connection with the surface of the fixed screw rod and is positioned at the top of the movable seat. The utility model relates to the technical field of plate shearing machine equipment. According to the plate shearing mechanism of the plate shearing machine, blade installation and gap adjustment are convenient, the machining quality is guaranteed, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate shearing machine equipment technical field, concretely to a plate shearing mechanism of plate shearing machine. BACKGROUND

[0002] In the metal processing industry, plate shearing machine as important cutting equipment, is widely used in plate cutting operation. At present, the mainstream plate shearing mechanism on the market adopts the traditional blade type shearing principle, realizes the cutting of plate through the relative movement of upper and lower blades, and the gap between the upper cutting edge and the lower cutting edge needs to be consistent when shearing, and the thicker the metal plate is, the larger the gap is. However, the existing plate shearing machine changes the gap due to blade wear during long-term use, which causes problems such as burr and difficult to guarantee precision, affecting product quality. The blade needs to be replaced regularly due to frequent wear, and professional skills are required to adjust the gap, increasing the maintenance difficulty and downtime; in addition, when shearing plates of different thicknesses, the gap needs to be adjusted, and the existing plate shearing machine is relatively cumbersome to adjust, affecting the work efficiency. SUMMARY

[0003] In order to solve the above defects, the utility model provides a kind of plate shearing mechanism of plate shearing machine, the installation and gap adjustment of blade are facilitated, the processing quality is guaranteed, and the work efficiency is improved.

[0004] In order to achieve the above purpose, the utility model provides a technical scheme, a kind of plate shearing mechanism of plate shearing machine, including rack, the vertical fixed connection of the both sides of the rack is provided with guide rail, the workbench surface of the rack is slidably connected with mobile seat, two the guide rail between the setting is provided with tool holder, the side of the tool holder is provided with upper cutting knife, the workbench surface of the rack and located the side fixed connection of mobile seat is provided with fixed plate, the side fixed connection of mobile seat is provided with pull rod, the one end of pull rod extends to the other side of fixed plate and is fixedly connected with fixed block, the side between the fixed block of fixed plate is provided with spring, the workbench surface of the rack and located between mobile seat and fixed plate fixed connection is provided with rotating seat, the center of rotating seat is rotatably connected with rotating shaft, the surface of rotating shaft is fixedly connected with cam, the surface of cam is close to the side of mobile seat, the side of the rack is provided with adjusting device for driving rotating shaft rotation, the top side fixed connection of mobile seat is provided with tool holder, the side of tool holder is provided with lower cutting knife, the lower cutting knife and tool holder are fixedly connected with fastening adjustment assembly, the side of mobile seat is provided with U-shaped fixed groove, the workbench surface of the rack is fixedly connected with fixed screw, the surface of fixed screw and located the top of mobile seat is threadedly connected with locking nut.

[0005] Preferably, the upper cutter and the cutter holder are fixed by bolts, both ends of the cutter holder are provided with guide wheels, each end of the guide wheels is provided with three, the three guide wheels are distributed on both sides and the end of the cutter holder respectively, and the guide wheels are in rolling connection with the inner wall of the guide rail.

[0006] Preferably, the adjusting device comprises a worm wheel, a worm and a connecting shaft, one end of the worm wheel is fixed on the rotating shaft, one end of the connecting shaft is in rotating connection with one side of the rack, the worm is fixed on one end of the connecting shaft and is in meshing connection with the worm wheel, and one end of the connecting shaft extends to the outside of the rack and is fixedly connected with an adjusting handle.

[0007] Preferably, the workbench of the rack is fixedly connected with a guide rail matched with the moving seat, and the length direction of the guide rail is perpendicular to the length direction of the lower cutter.

[0008] Preferably, the fastening adjusting assembly comprises a pull plate and a pressing ring, a threaded rod is fixedly connected to the center of the pull plate, a threaded cylinder is in threaded connection with the surface of the threaded rod, the pressing ring is fixed to one end of the threaded cylinder close to the pull plate, and a fixing nut is in threaded connection with the surface of the threaded cylinder.

[0009] Preferably, the surface of the lower cutter is provided with a fixing hole matched with the threaded rod, the surface of the cutter seat is provided with a threaded hole matched with the threaded cylinder, and the lower cutter is located between the pull plate and the pressing ring.

[0010] Preferably, one end of the threaded rod and the threaded cylinder is provided in a hexagonal prism shape.

[0011] The technical scheme has the beneficial effects that: the plate shearing mechanism of the plate shearing machine is provided with three guide wheels at both ends of the cutter holder, the guide wheels are in rolling connection with the inner wall of the guide rail, the friction between the cutter holder and the guide rail is reduced, the stability of the cutter holder during the up-down movement is ensured, the mechanical clearance is greatly reduced, and the cutting precision is improved; the cam is arranged on one side of the moving seat, the overall movement of the moving seat is realized by the rotation of the cam, and the adjustment of the clearance is facilitated; the fastening adjusting assembly is fixedly connected between the lower cutter and the cutter seat, the distance between the lower cutter and the cutter seat is finely adjusted through the fine adjustment of the fastening adjusting assembly, the distance between the lower cutter and the upper cutter is finely adjusted, the plate is prevented from being raised during the shearing process, and the shearing quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the overall structure of the utility model;

[0013] Figure 2 It is a side view of the internal structure of the utility model;

[0014] Figure 3 It is a front view of the utility modelFigure 1 Enlarged view at A;

[0015] Figure 4 For the utility model Figure 2 Enlarged view at B;

[0016] Figure 5 For the utility model cam transmission schematic diagram;

[0017] Figure 6 For the utility model knife rest and guide rail connection schematic diagram;

[0018] Figure 7 For the utility model fastening adjustment assembly structure schematic diagram.

[0019] In the drawing: 1 - frame, 2 - guide rail, 3 - moving seat, 4 - knife rest, 5 - upper cutter, 6 - bolt, 7 - fixed plate, 8 - pull rod, 9 - fixed block, 10 - spring, 11 - rotating seat, 12 - rotating shaft, 13 - worm wheel, 14 - connecting shaft, 15 - worm, 16 - cam, 17 - cutter seat, 18 - lower cutter, 19 - fastening adjustment assembly, 191 - pull plate, 192 - threaded rod, 193 - threaded cylinder, 194 - compression ring, 195 - fixed nut, 20 - fixed screw, 21 - U-shaped fixed groove, 22 - locking nut, 23 - guide rail, 24 - guide wheel, 25 - adjustment handle. DETAILED DESCRIPTION

[0020] The utility model is further described below in combination with the drawings.

[0021] Example one: please refer to Figures 1-7 The utility model provides a kind of shearing mechanism of plate shearing machine, including frame 1, the both sides vertical fixed connection of frame 1 are connected with guide rail 2, the workbench surface sliding connection of frame 1 is connected with moving seat 3, two guide rails 2 are provided with knife rest 4, the both ends of knife rest 4 are provided with guide wheel 24, and each end of guide wheel 24 is provided with three, three guide wheels 24 are distributed at the both sides and end of knife rest 4 respectively, guide wheel 24 is rollingly connected with the inner wall of guide rail 2, and knife rest 4 is limited by three guide wheels 24 at each end, so that only can move up and down along the length direction of guide rail 2, simultaneously, friction is reduced by rolling, wear is reduced, the precision of the movement of knife rest 4 is guaranteed, and knife rest 4 is realized reciprocating motion up and down by power device installed on frame 1.

[0022] One side of knife rest 4 is provided with upper cutter 5, and the bottom side of knife rest 4 is provided with positioning step, so that the rapid positioning of upper cutter 5 is facilitated, and the installation efficiency is improved, and upper cutter 5 is fixed between knife rest 4 by bolt 6.

[0023] The workbench of the rack 1 is fixedly connected with a fixed plate 7 on one side of the moving seat 3, the workbench of the rack 1 is fixedly connected with a guide rail 23 matched with the moving seat 3, the length direction of the guide rail 23 is perpendicular to the length direction of the lower cutter 18. One side of the moving seat 3 is fixedly connected with a pull rod 8, one end of the pull rod 8 extends to the other side of the fixed plate 7 and is fixedly connected with a fixed block 9, a spring 10 is arranged between one side of the fixed block 9 and the fixed plate 7, the workbench of the rack 1 is fixedly connected with a rotating seat 11 between the moving seat 3 and the fixed plate 7, the center of the rotating seat 11 is rotatably connected with a rotating shaft 12, the rotating shaft 12 is arranged in parallel with the length direction of the cutter holder 4, the surface of the rotating shaft 12 is fixedly connected with a cam 16, the surface of the cam 16 is close to one side of the moving seat 3, through the arrangement of the spring 10, it is guaranteed that one side of the moving seat 3 can be close to the surface of the cam 16.

[0024] One side of the rack 1 is provided with an adjusting device for driving the rotating shaft 12 to rotate, the rotating shaft 12 is driven to rotate through the adjusting device, the cam 16 rotates synchronously with the rotating shaft 12, so that the distance between one side of the moving seat 3 and the rotating shaft 12 can be adjusted, so that the gap between the cutters can be changed.

[0025] The top of the moving seat 3 is fixedly connected with a cutter seat 17, the cutter seat 17 is provided with a lower cutter 18 on one side, the lower cutter 18 is fixedly connected with a fastening adjusting assembly 19 between the cutter seat 17, the fastening adjusting assembly 19 comprises a pull plate 191 and a pressing ring 194, the center of the pull plate 191 is fixedly connected with a threaded rod 192, the surface of the threaded rod 192 is threadedly connected with a threaded cylinder 193, the pressing ring 194 is fixed at one end of the threaded cylinder 193 close to the pull plate 191, and the surface of the threaded cylinder 193 is threadedly connected with a fixed nut 195.

[0026] The surface of the lower cutter 18 is provided with a fixed hole matched with the threaded rod 192, the surface of the cutter seat 17 is provided with a threaded hole matched with the threaded cylinder 193, the lower cutter 18 is located between the pull plate 191 and the pressing ring 194, and one end of the threaded rod 192 and the threaded cylinder 193 is provided in a hexagonal shape.

[0027] When the lower cutter 18 is fixed, the lower cutter 18 is placed on one side of the cutter seat 17, the threaded cylinder 193 is installed in the threaded hole on the surface of the cutter seat 17, the threaded rod 192 is inserted into the fixed hole from the other side, the lower cutter 18 is located between the pull plate 191 and the pressing ring 194, then the threaded rod 192 is screwed into the threaded cylinder 193, until one side of the lower cutter 18 is close to the surface of the cutter seat 17, when fine tuning, the threaded cylinder 193 or the threaded rod 192 is screwed, and finally the lower cutter 18 is fixed by the fixed nut 195.

[0028] One side of the mobile base 3 is provided with a U-shaped fixing groove 21, the workbench of the rack 1 is fixedly connected with a fixing screw rod 20, the surface of the fixing screw rod 20 and the top of the mobile base 3 are threadedly connected with a locking nut 22, when the position of the mobile base 3 is adjusted by rotating the rotating shaft 12 through the cam 16, the mobile base 3 is fixed by tightening the locking nut 22.

[0029] The adjusting device comprises a worm wheel 13, a worm 15 and a connecting shaft 14, the worm wheel 13 is fixed at one end of the rotating shaft 12, the connecting shaft 14 is rotatably connected with one side of the rack 1, the worm 15 is fixed at one end of the connecting shaft 14 and is in meshing connection with the worm wheel 13, one end of the worm 15 is also rotatably connected with one side of the rack 1, one end of the connecting shaft 14 extends to the outside of the rack 1 and is fixedly connected with an adjusting handle 25, the connecting shaft 14 is driven to rotate through the adjusting handle 25, the worm wheel 13 is driven to rotate through the worm 15, the position of the mobile base 3 is adjusted through the cam 16, it should be noted that the locking nut 22 needs to be loosened before adjusting the position of the mobile base 3.

[0030] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0031] The above only describes the preferred embodiment of the fixed and installed prior art type of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A guillotine mechanism of a plate shearing machine comprising a frame (1), characterized in that: The both sides of the frame (1) are vertically and fixedly connected with guide rails (2), the workbench surface of the frame (1) is slidably connected with a moving seat (3), a tool holder (4) is arranged between the two guide rails (2), one side of the tool holder (4) is provided with an upper cutter (5), the workbench surface of the frame (1) and located at one side of the moving seat (3) is fixedly connected with a fixed plate (7), one side of the moving seat (3) is fixedly connected with a pull rod (8), one end of the pull rod (8) extends to the other side of the fixed plate (7) and is fixedly connected with a fixed block (9), a spring (10) is arranged between one side of the fixed block (9) and the fixed plate (7), the workbench surface of the frame (1) and located between the moving seat (3) and the fixed plate (7) is fixedly connected with a rotating seat (11), the center of the rotating seat (11) is rotatably connected with a rotating shaft (12), the surface of the rotating shaft (12) is fixedly connected with a cam (16), the surface of the cam (16) is close to one side of the moving seat (3), one side of the frame (1) is provided with an adjusting device for driving the rotating shaft (12) to rotate, the top side of the moving seat (3) is fixedly connected with a cutter seat (17), one side of the cutter seat (17) is provided with a lower cutter (18), the lower cutter (18) and the cutter seat (17) are fixedly connected with a fastening adjusting assembly (19), one side of the moving seat (3) is provided with a U-shaped fixed groove (21), the workbench surface of the frame (1) is fixedly connected with a fixed screw rod (20), the surface of the fixed screw rod (20) and located at the top of the moving seat (3) is threadedly connected with a locking nut (22).

2. The guillotine cutting mechanism of a plate shearing machine according to claim 1, wherein: The upper cutter (5) and the tool holder (4) are fixed through bolts (6), both ends of the tool holder (4) are provided with guide wheels (24), each end of the guide wheels (24) is provided with three, the three guide wheels (24) are respectively distributed on both sides and the end of the tool holder (4), the guide wheels (24) are rollingly connected with the inner wall of the guide rail (2).

3. The guillotine cutting mechanism of a plate shearing machine according to claim 1, wherein: The adjusting device comprises a worm gear (13), a worm (15) and a connecting shaft (14), the worm gear (13) is fixed at one end of the rotating shaft (12), the connecting shaft (14) is rotatably connected with one side of the frame (1), the worm (15) is fixed at one end of the connecting shaft (14) and is meshedly connected with the worm gear (13), one end of the connecting shaft (14) extends to the outside of the frame (1) and is fixedly connected with an adjusting handle (25).

4. The guillotine cutting mechanism of a plate shearing machine according to claim 1, wherein: The workbench surface of the frame (1) is fixedly connected with a guide rail (23) matched with the moving seat (3), the length direction of the guide rail (23) is parallel to the length direction of the lower cutter (18).

5. The guillotine cutting mechanism of a plate shearing machine as claimed in claim 1, wherein: The fastening adjusting assembly (19) comprises a pull plate (191) and a pressing ring (194), the center of the pull plate (191) is fixedly connected with a threaded rod (192), the surface of the threaded rod (192) is threadedly connected with a threaded cylinder (193), the pressing ring (194) is fixed at one end of the threaded cylinder (193) close to the pull plate (191), the surface of the threaded cylinder (193) is threadedly connected with a fixed nut (195).

6. A guillotine cutting mechanism for a plate shearing machine as claimed in claim 5 wherein: The surface of the lower cutting knife (18) is provided with a fixed hole matched with a threaded rod (192), the surface of the knife holder (17) is provided with a threaded hole matched with a threaded cylinder (193), and the lower cutting knife (18) is located between the pull plate (191) and the pressing ring (194).

7. A guillotine cutting mechanism for a plate shearing machine as claimed in claim 6 wherein: The threaded rod (192) and the threaded cylinder (193) are provided with hexagonal shapes at one end.

Images