SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to the problem among the above-mentioned prior art, provide a cut mechanism of tailorring of pole piece sheet stock, should tailor the mechanism installation simply, the processing degree of difficulty is low, the sheet stock fracture of shearing is neat, excellent in use effect.
In order to solve the technical problem, the utility model provides a cutting mechanism for cutting sheet material of pole pieces, which comprises a fixed knife rest, wherein two Z-direction extending guide rods are movably arranged at the X-direction two ends of the fixed knife rest, the top ends of the two guide rods are fixedly connected with a movable connecting plate, the bottom end of the two guide rods is fixedly connected with a movable knife rest, the movable connecting plate is also in transmission connection with a driving device fixedly arranged at the top end of the fixed knife rest, and the driving device can drive the movable connecting plate to drive the movable knife rest to move in the Z direction; the bottom end of the fixed knife rest is fixedly provided with an upper cutter, and the cutting edge of the upper cutter extends out of the fixed knife rest along the Y direction; the movable tool rest is connected with a pole piece pressing plate which is positioned on the top end of the movable tool rest through a bolt matched with a compression spring and can float and move in the Z direction, a lower cutter is movably arranged on the Y direction side edge of the movable tool rest, and an inclined cutting edge which is movably butted with the cutting edge of the upper cutter is arranged at the top end of the lower cutter; the driving device drives the movable tool rest to drive the lower cutter to move in the Z direction, the inclined cutting edge is opposite to the cutting edge of the upper cutter, and the pole piece is pressed by the floating of the pole piece pressing plate in a matched mode to cut the continuous pole piece into single pieces.
As a further elaboration of the above technical solution:
in the technical scheme, a first compression spring for damping and buffering the Z-direction movement of the movable connecting plate and the movable tool rest is further sleeved between the guide rod matched with the movable connecting plate and the fixed tool rest.
In the above technical solution, the driving device is a driving cylinder.
In the technical scheme, the movable tool rest is provided with a guide hole penetrating in the Z direction, the bolt is movably arranged in the guide hole in a penetrating mode, the Z direction of the bolt is fixedly connected with the pole piece pressing plate in the Z direction, the Z direction of the bolt is locked with a limiting nut at the bottom end, and the compression spring is sleeved on the bolt and movably abuts against the pole piece pressing plate and the movable tool rest.
In the technical scheme, the lower cutter is connected with the movable cutter frame through an equal-height bolt, a gap is formed between the lower cutter and the movable cutter frame in the Y direction, a mounting hole penetrating through the movable cutter frame in the Y direction is further formed in the movable cutter frame, a second compression spring is arranged in the mounting hole, one end of the second compression spring abuts against the lower cutter, and the other end of the second compression spring abuts against a machine-meter screw arranged in the mounting hole; the side end face of the lower cutter, which is far away from the inclined cutting edge, is provided with an upper notch, and the cutting edge of the upper cutter is inserted into the upper notch, so that the lower cutter can tilt and form secondary shearing force and cut off the sheet stock of the pole piece by taking the equal-height bolt as a fulcrum.
In the above technical scheme, the inclined angle of the inclined cutting edge is 1-1.5 °.
The utility model has the advantages that the utility model adopts the upper knife as the fixed knife, and solves the problems of high precision requirement, large processing difficulty and complex assembly of parts caused by the upper knife being set as the movable knife and needing to use the spring to control the elasticity when the upper knife is installed in the knife holder; meanwhile, the movable knife is locked on the movable knife holder by the equal-height screws, a gap is reserved between the equal-height screws and the movable knife, an upper notch is formed in the movable knife, when the fixed knife relatively moves to the position of the upper notch of the movable knife, the movable knife can vertically upwards tilt by taking the equal-height screws as fulcrums through the assistance provided by the spring matched with the machine screw, the cutting edge of the movable knife is tightly attached to the cutting edge of the fixed knife to form a secondary shearing force, and the material is cut off; moreover, there is certain inclination between the cutting edge of activity sword and the cutting edge of stationary knife, in the blank, plays the effect of cutting the material, and the design can make the required power of cutting off the material littleer like this, and the fracture is more level and more smooth simultaneously.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Fig. 1-5 illustrate a specific embodiment of the cutting mechanism for pole piece sheet of the present invention, referring to fig. 1-5, the cutting mechanism for pole piece sheet comprises a fixed knife rest 1, two Z-direction extending guide rods 2 are movably mounted at both ends of the fixed knife rest 1 in the X direction, in practice, a linear bearing (not shown in the drawing) is further disposed at the position on the fixed knife rest 1 matching with the guide rods 2, a movable connecting plate 3 is fixedly connected to the top ends of the two guide rods 2, a movable knife rest 4 is fixedly connected to the bottom end of the movable connecting plate 3, a first compression spring 5 for providing damping and buffering between the movable connecting plate 3 and the fixed knife rest 4 is further sleeved on the guide rods 2, the movable connecting plate 3 is further in transmission connection with a driving device 6 fixedly disposed at the top end of the fixed knife rest 4, in this embodiment, the driving device 6 is a driving cylinder, the driving device 6 can drive the movable connecting plate 3 to drive the movable tool rest 4 to move along the Z direction; the bottom end of the fixed knife rest 1 is fixedly provided with an upper cutter 7, and the cutting edge 701 of the upper cutter 7 extends out of the fixed knife rest 1 along the Y direction; the movable tool rest 4 is connected with a pole piece pressing plate 10 which is positioned on the top end of the movable tool rest 4 through a bolt 8 and a compression spring 9 and can float and move in the Z direction, a lower cutter 11 is movably arranged on the Y-direction side edge of the movable tool rest 4, the lower cutter 11 is arranged along the Z direction, an inclined cutting edge 111 which is movably butted with a cutting edge 701 of an upper cutter 7 is formed at the top end of the lower cutter 11, the inclined cutting edge 111 has an inclined angle of 1-1.5 degrees, the upper cutter 7 and the lower cutter 11 are vertical in position, the cutting edge 701 of the upper cutter 7 and the inclined cutting edge 111 are arranged in the Y direction in a front-back mode, in the material cutting process, the cutting edge 701 keeps the Y-direction side wall contact of the lower cutter 7, and cuts the pole piece material through the opposite shearing of the cutting edge 701 and the inclined cutting edge; when cutting the pole piece, the driving device 6 drives the movable tool rest 4 to drive the lower cutter 11 to move along the Z direction and make the inclined cutting edge 111 and the cutting edge 701 of the upper cutter 7 face each other, and the pole piece pressing plate 10 is matched to float and press the pole piece (the pole piece pressing plate 10 presses the pole piece to the bottom end of the upper cutter 7), so that the continuous pole piece sheet is cut into single sheets in a matching way; in this embodiment, the lower cutter 11 is connected to the movable tool post 4 through an equal-height bolt 12, a gap is provided between the lower cutter 11 and the movable tool post 4 in the Y direction, the movable tool post 4 is further provided with a mounting hole 401 penetrating the movable tool post 4 in the Y direction, a second compression spring 13 is arranged in the mounting hole 401, one end of the second compression spring 13 abuts against the lower cutter 11, the other end abuts against a machine rice screw 14 installed in the mounting hole 401, the side end surface of the lower cutter 11 facing away from the inclined blade 111 is provided with an upper notch 112, the blade 701 of the upper cutter 7 is inserted into the upper notch 112, the lower cutter 11 can tilt and form a secondary shearing force (the inclined blade 111 moves in the Y direction) with the equal-height bolt 12 as a fulcrum, and cut off a sheet stock, it should be noted that before the lower cutter 11 moves in the Z direction and the blade 701 of the upper cutter 7 moves to the position of the upper notch 112, the cutting edge 701 of the upper cutter 7 keeps in contact with the Y-direction side wall of the lower cutter 11, and meanwhile, the second compression spring 13 is compressed to push the lower cutter 11, but the lower cutter 11 cannot tilt by taking the equal-height bolt 12 as a fulcrum due to the limit of the upper cutter 7; however, when the lower blade 11 moves to the position where the upper notch 112 is flush with the blade 701, the upper blade 7 is allowed to move back in the Y direction by a certain distance, so that the lower blade 11 is tilted about the equal-height bolt 12 under the damping provided by the second compression spring 13, and a secondary shearing force is generated.
In this embodiment, the movable tool rest 4 is provided with a guide hole 402 penetrating in the Z direction, the bolt 8 is movably arranged in the matched guide hole 402 in a penetrating manner, the top end of the bolt 8 in the Z direction is fixedly connected with the pole piece pressing plate 10, the bottom end of the bolt 8 in the Z direction is locked with a limiting nut 15, and the compression spring 9 is sleeved on the bolt 8 and movably abuts against the pole piece pressing plate 10 and the movable tool rest 4.
In the embodiment, the upper knife is used as the fixed knife, so that the problems of high part precision requirement, high processing difficulty and complex assembly caused by the fact that the upper knife is arranged as the movable knife and the elasticity of the upper knife needs to be controlled by a spring when the upper knife is arranged in the knife holder are solved; meanwhile, the movable knife is locked on the movable knife holder by the equal-height screws, a gap is reserved between the movable knife and the movable knife holder, the movable knife is also provided with an upper notch, when the fixed knife relatively moves to the position of the upper notch of the movable knife, the movable knife can vertically upwards tilt by taking the equal-height screws as fulcrums through the assistance provided by the spring matched with the machine screws, so that the cutting edge of the movable knife is tightly attached to the cutting edge of the fixed knife to form secondary shearing force, and the material is cut off; moreover, there is certain inclination between the cutting edge of activity sword and the cutting edge of stationary knife, in the blank, plays the effect of cutting the material, and the design can make the required power of cutting off the material littleer like this, and the fracture is more level and more smooth simultaneously.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.