CN115318938A

CN115318938A - Cutting equipment is used in metal sheet processing

Info

Publication number: CN115318938A
Application number: CN202211249037.9A
Authority: CN
Inventors: 王新
Original assignee: Nantong Qianshan Mechanical Equipment Co ltd
Current assignee: Nantong Qianshan Mechanical Equipment Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2022-11-11
Anticipated expiration: 2042-10-12
Also published as: CN115318938B

Abstract

The invention provides cutting equipment for processing a metal plate, which belongs to the technical field of metal cutting and comprises an upper die and a lower die, wherein a cutter is connected to the center of the upper die, a positioning assembly is arranged on the lower die, the positioning assembly comprises a first positioning unit capable of moving along a first direction and a second positioning unit capable of moving along a second direction, the first direction and the second direction are perpendicular to each other, and the moving amount of the first positioning unit is equal to that of the second positioning unit. The metal plate is placed on the workbench, the metal plate is fixed on a preset position by a positioning assembly on the workbench, the upper die drives the pressing plate and the cutter to synchronously press down, and one corner of the metal plate is cut off. And then the upper die is lifted to the initial position, the position of the metal plate is adjusted, and the next corner is continuously cut until all the four corners are cut off. The metal cabinet door cutting machine is high in working efficiency, the four corners can be cut by the machining platform each time, and the cut four corners are square, so that the same thickness of each metal cabinet door can be ensured.

Description

Cutting equipment is used in sheet metal processing

Technical Field

The invention relates to the technical field of punching metal cutting, in particular to cutting equipment for processing a metal plate.

Background

The processing of the metal cabinet door requires a series of processing procedures such as cutting, punching, bending and the like.

For example, chinese patent CN108818695B discloses a cutting machine deviation correcting device for processing condenser metallized film, including the platform of rectifying, the platform side-mounting of rectifying has the film lift seat, movable holding frame is installed on film lift seat top, the platform both sides of rectifying all are provided with fixed slide rail, install two sets of rollers of rectifying through movable assembly on the fixed slide rail, movable assembly carries out automatically regulated through adjustment mechanism, just fixed slide rail is connected with the platform both sides of rectifying through activity extrusion mechanism, movable assembly is including installing the sliding seat on fixed slide rail surface, the sliding seat with rectify roller end connection, adjustment mechanism is including installing the regulation seat that leans on outside one end at the sliding seat, it has the fine-tuning seat to adjust a side-mounting.

The existing cutting machine has low working efficiency and complex operation.

Disclosure of Invention

The applicant finds that the shape of the metal plate for manufacturing the metal door needs to be square, the size of the square to be cut cannot be adjusted according to the thickness of the metal door to be manufactured by the existing cutting machine, manual adjustment cannot guarantee that the square to be cut is formed, only one piece can be cut at a time, and the working efficiency is low.

In view of the above, it is necessary to provide a cutting device for processing a metal plate, aiming at the problem of low efficiency of processing a metal cabinet door at present.

The above purpose is realized by the following technical scheme:

the cutting equipment for processing the metal plate comprises an upper die and a lower die, wherein a cutter used for cutting the metal plate is arranged on the upper die, a positioning assembly used for limiting the position of the metal plate is arranged on the lower die, the positioning assembly comprises a first positioning unit capable of moving along a first direction and a second positioning unit capable of moving along a second direction, the first direction and the second direction are perpendicular to each other, and the moving amount of the first positioning unit is equal to that of the second positioning unit.

In the cutting equipment for processing the metal plate, a transmission assembly is arranged between the first positioning unit and the second positioning unit, and when the first positioning unit moves along the first direction, the transmission assembly drives the second positioning unit to move along the second direction for the same distance.

Further, the transmission assembly comprises a first worm, a first bevel gear, a second bevel gear and a second worm which are in sequential transmission connection, the first worm axis is arranged along the first direction, the second worm axis is arranged along the second direction, the first bevel gear and the second bevel gear have the same parameters and are in meshing transmission, the first bevel gear is fixedly connected to the first worm, and the second bevel gear is fixedly connected to the second worm;

the first positioning unit comprises a first positioning plate in spiral transmission with the first worm, and the second positioning unit comprises a second positioning plate in spiral transmission with the second worm.

Furthermore, a first sliding groove arranged along the first direction and a second sliding groove arranged along the second direction are formed in the lower die, the first positioning unit penetrates through the first sliding groove, and the second positioning unit penetrates through the second sliding groove.

Further, the number of the cutters is multiple, and the number of the positioning assemblies is multiple and is the same as that of the cutters.

Further, a plurality of the cutters are arranged in an array.

Furthermore, a guide block is arranged on the lower die and used for guiding the cutter.

Further, the tool has a guide section and a cutting section, the guide section being vertically lower than the cutting section.

Furthermore, the cutter is integrally in a rectangular frame shape and is provided with a first cutting edge, a second cutting edge, a first guide edge and a second guide edge, and the highest point of the first guide edge and the second guide edge in the vertical direction is lower than that of the first cutting edge and the second cutting edge.

Further, the first cutting edge and the second cutting edge are obliquely arranged.

The invention has the beneficial effects that:

the invention provides cutting equipment for processing a metal plate, which comprises an upper die and a lower die, wherein a cutter is connected to the lower part of the center of the upper die, the cutter is a rectangular frame body, a positioning assembly is arranged on the lower die, the positioning assembly comprises a first positioning unit capable of moving along a first direction and a second positioning unit capable of moving along a second direction, the first direction and the second direction are mutually vertical, and the positioning assembly can enable the displacement of the first positioning unit and the displacement of the second positioning unit to be identical, so that the metal plate to be cut is ensured to be square, and the cutting efficiency is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a cutting apparatus for processing a metal plate according to an embodiment of the present invention;

fig. 2 is an exploded view of a cutting device for processing a metal plate according to another embodiment of the present invention;

FIG. 3 is a schematic view of a part of a cutting apparatus for processing a metal plate according to another embodiment of the present invention;

FIG. 4 is a partial cross-sectional view of the cutting device assembly for sheet metal processing shown in FIG. 3;

FIG. 5 is an enlarged view of a portion A of the cutting device for sheet metal processing shown in FIG. 4;

FIG. 6 is a schematic view of a cutter and a precision guide block of a cutting device for processing a metal plate according to another embodiment of the present invention;

fig. 7 is a schematic view of a movable block of a cutting device apparatus for processing a metal plate according to another embodiment of the present invention.

Description of reference numerals:

100. an upper die; 110. a cutter; 120. pressing a plate;

200. a metal plate;

310. a motor; 320. a transmission rod; 330. a first worm; 331. a second worm; 340. a first bevel gear; 341. a second bevel gear; 350. a first positioning plate; 351. a second positioning plate; 360. a first positioning rod; 361. a second positioning rod;

400. a lower die; 410. a work table; 450. a hollow cavity; 460. and a precision guide block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below by way of embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

A cutting apparatus for sheet metal processing according to an embodiment of the present invention will be described with reference to fig. 1 to 7.

As shown in fig. 1 to 3, an embodiment of the present invention provides a cutting apparatus for processing a metal plate, which includes an upper die 100 and a lower die 400, wherein a cutter 110 for cutting a metal plate 200 is disposed on the upper die 100, the lower die 400 is fixedly connected to a frame or other fixed structure, the upper die 100 is slidable in a vertical direction and is close to or away from the lower die 400, the lower die 400 is used for placing a workpiece to be cut, and when the upper die 100 is slidable in the vertical direction and is close to the lower die 400, the cutter 110 on the upper die 100 cuts the workpiece to be cut on the lower die 400.

As shown in fig. 2, when the metal cabinet door of the display cabinet is cut, since the metal cabinet door is formed by cutting and bending a whole metal plate 200, that is, after four corners of the whole metal plate 200 are cut, the cut protruding portion is bent to form a box-like structure. In order to ensure that the top surfaces of the box-like structures formed by the cut projections after bending are in the same plane, it is necessary that the projections have the same length, i.e. the cut-off portion should have a square shape.

Based on this, as shown in fig. 2 and 4, the cutting apparatus for metal plate processing according to the embodiment of the present invention further includes a positioning assembly including a first positioning unit movable in a first direction and a second positioning unit movable in a second direction, in the present embodiment, the first direction is a length direction of the rectangular parallelepiped-shaped metal plate 200, and the second direction is a width direction of the rectangular parallelepiped-shaped metal plate 200. The first direction and the second direction are perpendicular to each other, and the amount of movement of the first positioning unit is equal to the amount of movement of the second positioning unit. The lower die 400 is provided with a hollow cavity 450 for the cutter 110 to fall into when cutting, the part enclosed by the first positioning unit, the second positioning unit and the hollow cavity 450 is square, and because the moving amount of the first positioning unit and the moving amount of the second positioning unit are the same, after the first positioning unit and the second positioning unit move, the part enclosed by the first positioning unit, the second positioning unit and the hollow cavity 450 is still square, that is, the part to be cut of the metal plate 200 is square.

As shown in fig. 2 and 3, when cutting, the metal plate 200 is placed on the lower mold 400, and the positioning of the metal plate 200 is completed by the positioning assembly, and the portion to be cut is square by the metal plate 200 positioned by the positioning assembly. When the thickness of the metal cabinet door changes, the size of the part to be cut on the metal plate 200 needs to be adjusted, and the part to be cut still needs to be ensured to be square after adjustment. The first positioning unit is adjusted, so that the length to be cut of the metal plate 200 defined by the first positioning unit in the first direction is the required length, and because the moving amount of the second positioning unit is equal to the moving amount of the first positioning unit, the length to be cut of the metal plate 200 defined by the second positioning unit in the second direction is equal to the length to be cut of the metal plate 200 in the first direction, that is, the adjusted area to be cut of the metal plate 200 is still a square.

The positioning assembly comprises a first positioning unit capable of moving along a first direction and a second positioning unit capable of moving along a second direction, the first direction and the second direction are perpendicular to each other, and the moving amount of the first positioning unit is equal to that of the second positioning unit. From this, when metal cabinet door thickness need be adjusted, through first positioning unit or the second positioning unit in adjusting the locating component, adjust cutting part size to guarantee that the cutting part shape after adjusting still is a square, realized automatically regulated, avoided the manual regulation can't be difficult to guarantee that the shape of cutting part is for being the square, problem that work efficiency is low.

In one embodiment, in order to realize that the movement amounts of the first positioning unit and the second positioning unit are the same, a transmission assembly is arranged between the first positioning unit and the second positioning unit, and when the first positioning unit moves along the first direction, the transmission assembly drives the second positioning unit to move along the second direction for the same distance.

As shown in fig. 7, in one embodiment, the transmission assembly includes a first worm 330, a first bevel gear 340, a second bevel gear 341 and a second worm 331 which are connected in sequence in a transmission manner, the axis of the first worm 330 is arranged along a first direction, the axis of the second worm 331 is arranged along a second direction, the first bevel gear 340 and the second bevel gear 341 are identical in parameters and are in meshing transmission, the first bevel gear 340 is fixedly connected to the first worm 330, and the second bevel gear 341 is fixedly connected to the second worm 331; the first positioning unit includes a first positioning plate 350 spirally driven with the first worm 330, and the second positioning unit includes a second positioning plate 351 spirally driven with the second worm 331. During operation, the driving motor 310 drives the first worm 330 to rotate, the first worm 330 drives the first bevel gear 340 to rotate, the first bevel gear 340 drives the second bevel gear 341 to rotate, the second bevel gear 341 rotates to drive the second worm 331 to rotate, and the parameters of the first bevel gear 340 and the second bevel gear 341 are the same, so the rotating speeds of the first bevel gear 340 and the second bevel gear 341 are the same, and the rotating speeds of the first worm 330 and the second worm 331 are the same because the first bevel gear 340 and the first worm 330 are fixedly connected and the second bevel gear 341 and the second worm 331 are fixedly connected. Since the parameters of the first worm 330 and the second worm 331 are the same, the amount of movement of the first positioning plate 350 driven by the first worm 330 is equal to the amount of movement of the second positioning plate 351 driven by the second worm 331.

In other embodiments, the first positioning unit and the second positioning unit are driven independently without a direct gearing relationship therebetween, as shown in fig. 7. For example, in the cutting apparatus for processing metal plate provided with the first worm 330 and the second worm 331, the first bevel gear 340 and the second bevel gear 341 are not provided, but two motors 310 are provided, and the output amounts of the two motors 310 are the same, that is, the rotation amounts of the first worm 330 and the second worm 331 are the same, so that the movement amounts of the first positioning plate 350 and the second positioning plate 351 on the first worm 330 and the second worm 331 are the same.

As shown in fig. 2 and 7, in one embodiment, a first sliding groove is formed in the first direction and a second sliding groove is formed in the second direction on the lower mold 400, the first positioning unit is disposed through the first sliding groove, and the second positioning unit is disposed through the second sliding groove. The motor 310 on the workbench 410 drives the rotating rod, the transmission rod 320 drives the first worm 330 to rotate, the first worm 330 drives the first positioning plate 350 to move along the first direction, simultaneously the first worm 330 drives the first bevel gear 340 to rotate, the first bevel gear 340 and the second bevel gear 341 are in meshing transmission, the second bevel gear 341 drives the second worm 331 to rotate, the second worm 331 rotates to enable the second positioning plate 351 to move along the second direction, the rotating amounts of the first worm 330 and the second worm 331 are the same, so that the displacement amount of the first positioning plate 350 in the first direction is the same as the displacement amount of the second positioning plate 351 in the second direction, in addition, the first positioning rod 360 moves in a first sliding groove arranged along the first direction, and the second positioning rod 361 moves in a second sliding groove arranged along the second direction.

As shown in fig. 2, in one embodiment, the number of the cutters 110 fixed to the upper mold 100 is plural, and the number of the positioning assemblies is plural and is the same as that of the cutters 110. One cutter 110 can cut one metal plate 200, one metal plate 200 needs a set of positioning component fixing positions, the positioning components position metal sheets to preset positions, the cutter 110 downwards cuts squares with corresponding sizes, therefore, the number of the cutters 110 determines the number of the metal plates 200 which can be cut at a time, meanwhile, a plurality of metal plates 200 need a plurality of positioning components for fixing, and therefore, the number of the cutters 110 is the same as the number of the positioning components.

As shown in fig. 2, in one embodiment, the cutter 110 is hollow in the middle, the bottom is a slope, the longest and shortest sides in the vertical direction are on the diagonal line of the square, the cutters 110 are distributed around the circumference of the longest side to form a cutting assembly, and the bottom is fixed on the upper die 100. A plurality of cutters 110 are the array and arrange, and a plurality of cutters 110 and the coaxial cooperation in clamp plate 120 hole, a plurality of cutters 110 have a plurality of guide blocks cooperation, and a plurality of guide blocks also are the array and arrange, and the processing platform space can be saved to a plurality of cutters 110 closely arranged, makes the processing platform during operation, concentrates on a plurality of cutters 110 that the array was arranged with the cutting power, can improve the use processing platform of cutting quality and maximum efficiency.

As shown in fig. 2, in one embodiment, a guide block is provided on the lower mold 400 to guide the cutter 110. The number of the guide blocks is the same as that of the cutters 110, one guide block guides one cutter 110, the guide blocks are arranged in an array, the corner where the vertical longest edge on the cutter 110 is located contacts the precision guide block 460 first, and if the cutter 110 has a little deviation, the round corner on the precision guide block 460 can guide the cutter 110. Therefore, the cutting quality is improved, the cutting deviation is reduced, and the accuracy of the cutter 110 and the guide block is ensured.

In one embodiment, as shown in fig. 2, the cutter 110 has a guide section and a cutting section, the guide section being vertically lower than the cutting section. Cutter 110 is the rectangle framework, cutter 110's guide section and cutting section all are the right angle side, the guide section has first guide edge and second guide edge, cutter 110's guide section is used for with the guide block direction, when metal cabinet door thickness needs to be adjusted, through first positioning unit or the second positioning unit among the regulation locating component, fix metal sheet 200 on predetermineeing the position, go up mould 100 and cut downwards, when making cutter 110 push down, cutter 110's guide section and the accurate cooperation of guide block have guaranteed the accuracy of cutting. The cutting section of the cutter 110 is used for cutting the metal plate 200, the cutting section of the cutter 110 is obliquely arranged, the cutter 110 is provided with a first cutting edge and a second cutting edge, the first cutting edge is perpendicular to the second cutting edge, the included angle point of the first cutting edge and the second cutting edge is the lowest point of the cutter 110, the oblique cutter face of the cutter 110 reduces the shearing force required by cutting, meanwhile, the force generated by cutting along the square diagonal direction to the vertical longest side of the cutter 110 is mutually counteracted by the circumferential distribution of the four cutting cutters 110, meanwhile, the matching of the four cutting cutters 110 and the lower precision guide block 460 ensures the precision of mold closing, and the cutting quality is greatly improved.

As shown in fig. 2 and 6, in one embodiment, the cutter 110 has a rectangular frame shape as a whole, and the cutter 110 has a first cutting edge, a second cutting edge, a first guide edge and a second guide edge, and the highest point of the first guide edge and the second guide edge in the vertical direction is lower than the first cutting edge and the second cutting edge. The guide section of the tool 110 includes a first guide edge and a second guide edge, and the cutting section includes a first cutting edge and a second cutting edge, both of which are at right angles. The guide section is higher than the cutting section, so that during the downward cutting process of the cutter 110, the cutting section of the cutter 110 contacts the metal plate 200, and then the guide edge of the cutter 110 is matched with the guide block to cut off one corner of the metal plate 200.

In one embodiment, the first cutting edge and the second cutting edge are obliquely disposed, as shown in fig. 2 and 6. The first cutting edge and the second cutting edge form a right angle, and the included angle point of the first cutting edge and the second cutting edge is the lowest point of the cutter 110, so that the included angle point of the first cutting edge and the second cutting edge firstly contacts the metal plate 200, and then the guide section and the guide block of the cutter 110 are matched, so that the force which is generated to the cutter 110 along the diagonal direction of a square to the vertical longest side due to cutting is mutually counteracted, and meanwhile, the matching with the lower precision guide block 460 ensures the matching precision and improves the cutting quality.

As shown in fig. 1 to fig. 7, in one embodiment, when the processing platform works, the metal plate 200 is placed on the worktable 410, the side length of the cut square is determined according to the thickness of the manufactured cabinet door, and the adjustment motor 310 rotates forward and backward to drive the transmission rod 320 to drive the first worm 330 to rotate, so as to drive the first positioning plate 350 to move along the first direction, and simultaneously, the first positioning rod 360 is also driven to move in the positioning chute. The first worm 330 rotates to drive the first bevel gear 340 to rotate, and drive the second bevel gear 341 to rotate, the second bevel gear 341 and the first bevel gear 340 are in mesh transmission, and drive the second worm 331 to rotate, and drive the second positioning rod 361 to move along the second direction, so that the metal plate 200 is positioned at the preset position through the above operations. At this time, the upper mold 100 is pressed down, and the pressing plate 120 is pressed down to the same height as the upper surface of the metal plate 200, and the pressing plate 120 and the cutter 110 are simultaneously pressed down. The upper mold 100 continues to be pressed down, and the pressing plate 120 cannot continue to move down, and the cutter 110 continues to be pressed down, and cuts off one corner of the metal plate 200. Then, the upper mold 100 is raised to the initial position, the position of the metal plate 200 is adjusted, and the cutting of the next corner is continued until all the four corners are cut.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The cutting equipment for processing the metal plate is characterized by comprising an upper die and a lower die, wherein a cutter used for cutting the metal plate is arranged on the upper die, a positioning assembly used for limiting the position of the metal plate is arranged on the lower die, the positioning assembly comprises a first positioning unit capable of moving along a first direction and a second positioning unit capable of moving along a second direction, the first direction and the second direction are perpendicular to each other, and the moving amount of the first positioning unit is equal to that of the second positioning unit.

2. The cutting apparatus for processing a metal plate according to claim 1, wherein a transmission assembly is disposed between the first positioning unit and the second positioning unit, and when the first positioning unit moves in the first direction, the transmission assembly drives the second positioning unit to move by the same distance in the second direction.

3. The cutting apparatus for sheet metal working according to claim 2, wherein the transmission assembly comprises a first worm, a first bevel gear, a second bevel gear and a second worm which are connected in sequence in a transmission manner, the first worm axis is arranged along the first direction, the second worm axis is arranged along the second direction, the first bevel gear and the second bevel gear have the same parameters and are in mesh transmission, the first bevel gear is fixedly connected to the first worm, and the second bevel gear is fixedly connected to the second worm;

4. The cutting apparatus for metal plate working according to any one of claims 1 to 3, wherein a first slide groove provided in the first direction and a second slide groove provided in the second direction are provided on the lower die, the first positioning unit is provided through the first slide groove, and the second positioning unit is provided through the second slide groove.

5. The cutting apparatus for sheet metal processing according to claim 1, wherein the number of the cutters is plural, and the number of the positioning assemblies is plural and is the same as the number of the cutters.

6. The cutting apparatus for sheet metal processing according to claim 5, wherein a plurality of said cutters are arrayed.

7. The cutting apparatus for sheet metal processing according to claim 1, wherein a guide block is provided on the lower die, the guide block being used to guide the cutter.

8. The cutting apparatus for sheet metal processing according to claim 7, wherein said cutter has a guide section and a cutting section, said guide section being lower than said cutting section in a vertical direction.

9. The cutting apparatus for sheet metal processing according to claim 1 or 8, wherein the cutter has a generally rectangular frame shape, the cutter having a first cutting edge, a second cutting edge, a first guide edge and a second guide edge, and a highest point of the first guide edge and the second guide edge in the vertical direction is lower than the first cutting edge and the second cutting edge.

10. The cutting apparatus for sheet metal processing according to claim 9, wherein said first cutting edge and said second cutting edge are obliquely arranged.