CN115318938B

CN115318938B - Cutting equipment is used in sheet metal processing

Info

Publication number: CN115318938B
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: 2023-05-19
Anticipated expiration: 2042-10-12
Also published as: CN115318938A

Abstract

The invention provides cutting equipment for metal plate processing, 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 downwards, 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 perpendicular, and the movement amount of the first positioning unit is equal to the movement amount of the second positioning unit. And placing the metal plate on a workbench, fixing the metal plate on a preset position by a positioning assembly on the workbench, and synchronously pressing down the pressing plate and the cutter by an upper die to cut off one corner of the metal plate. Then the upper die is lifted to the initial position, the position of the metal plate is adjusted, and the next corner is cut continuously until all four corners are cut off. The invention has high working efficiency, the processing platform can cut four corners each time, and the cut four corners are square, so that the thickness of each metal cabinet door is ensured to be the same.

Description

Cutting equipment is used in sheet metal processing

Technical Field

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

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 capacitor metallized film processing, including rectifying the platform, rectifying platform side-mounting has the film lifting seat, movable clamping frame is installed on film lifting seat top, rectifying platform both sides all are provided with fixed slide rail, install two sets of rollers of rectifying through movable component on the fixed slide rail, movable component carries out automatically regulated through adjustment mechanism, just fixed slide rail passes through movable extrusion mechanism and is connected with rectifying platform both sides, movable component is including installing the sliding seat at fixed slide rail surface, the sliding seat is connected with roller end portion of rectifying, adjustment mechanism is including installing the adjustment seat at the outside one end of sliding seat, adjustment seat side-mounting has the fine setting seat.

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

Disclosure of Invention

The applicant found that the shape of the cut required for the metal sheet used for manufacturing the metal door must be square, the existing cutting machine cannot adjust the size of the square cut according to the thickness of the metal door required to be manufactured, the manual adjustment cannot ensure that the square is cut, and only one piece can be cut at a time, so that the working efficiency is low.

Accordingly, it is necessary to provide a cutting device for metal plate processing, which aims at the problem of low efficiency in processing the metal cabinet door at present.

The above purpose is achieved by the following technical scheme:

the utility model provides a cutting equipment is used in sheet metal processing, includes mould and lower mould, be provided with the cutter that is used for cutting the sheet metal on the mould, be provided with the locating component that is used for prescribing a limit to the sheet metal position on the lower mould, the locating component includes the first locating element that can follow the first direction and can follow the second locating element that the second direction removed, first direction with the second direction mutually perpendicular, the moving amount of first locating element equals the moving amount of second locating element.

In the cutting equipment for metal plate processing, 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 sequentially connected in a transmission way, wherein 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 meshed transmission, the first bevel gear is fixedly connected with the first worm, and the second bevel gear is fixedly connected with 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.

Further, a first chute arranged along the first direction and a second chute arranged along the second direction are arranged on the lower die, the first positioning unit penetrates through the first chute, and the second positioning unit penetrates through the second chute.

Further, the number of the cutters is a plurality, and the number of the positioning assemblies is a plurality and the same as the number of the cutters.

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

Further, 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.

Further, the whole rectangular frame body that is of cutter, cutter have first cutting edge, second cutting edge, first guide limit and second guide limit, and the highest point of first guide limit and second guide limit in vertical direction is less than first cutting edge and second cutting edge.

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

The beneficial effects of the invention are as follows:

the invention provides cutting equipment for metal plate processing, which comprises an upper die and a lower die, wherein a cutter is connected with the center of the upper die downwards, 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 perpendicular, the positioning assembly can enable the displacement amounts of the first positioning unit and the second positioning unit to be the same, the square of the cut metal plate can be ensured, and the cutting efficiency is greatly improved.

Drawings

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

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

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

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

FIG. 5 is an enlarged view of a portion of the cutting apparatus 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 apparatus for sheet metal processing according to another embodiment of the present invention;

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

Reference numerals illustrate:

100. an upper die; 110. a cutter; 120. a pressing 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 (5) an accuracy guide block.

Detailed Description

The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The following describes a cutting apparatus for metal plate processing provided by an embodiment of the present invention with reference to fig. 1 to 7.

As shown in fig. 1 to 3, the embodiment of the present invention provides a cutting apparatus for metal plate processing, which includes an upper die 100 and a lower die 400, wherein a cutter 110 for cutting a metal plate 200 is provided on the upper die 100, the lower die 400 is fixedly connected to a frame or other fixing structure, the upper die 100 can slide in a vertical direction and approach or separate from the lower die 400, the lower die 400 is used for placing a workpiece to be cut, and when the upper die 100 slides in a vertical direction and approaches 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 showcase is cut, since it is formed by cutting and bending a single metal plate 200, that is, after cutting four corners of the single metal plate 200, bending the cut protruding portion, a box-like structure is formed. In order to ensure that the top surfaces of the box-like structure formed by the cut protruding portions after bending are in the same plane, it is therefore necessary that the protruding portions are of equal length, i.e. the cut-out portions should be square.

As shown in fig. 2 and 4, the cutting device for metal plate processing according to the embodiment of the present invention further includes a positioning assembly, where the positioning assembly includes a first positioning unit that can move along a first direction and a second positioning unit that can move along a second direction, and in this embodiment, the first direction is a length direction of the rectangular parallelepiped metal plate 200, and the second direction is a width direction of the rectangular parallelepiped metal plate 200. The first direction and the second direction are perpendicular to each other, and the movement amount of the first positioning unit is equal to the movement amount of the second positioning unit. The lower die 400 is provided with a hollow cavity 450 into which the cutter 110 falls when cutting, the part surrounded by the first positioning unit and the second positioning unit and the hollow cavity 450 is square, and after the first positioning unit and the second positioning unit move, the part surrounded by the first positioning unit and the second positioning unit and the hollow cavity 450 is still square, namely, the part to be cut of the metal plate 200 is square because the movement amounts of the first positioning unit and the second positioning unit are the same.

As shown in fig. 2 and 3, when cutting, the metal plate 200 is placed on the lower die 400, and the positioning of the metal plate 200 is completed by the positioning assembly, and the metal plate 200 positioned by the positioning assembly has a square portion to be cut. When the thickness of the metal cabinet door is changed, the size of the portion to be cut on the metal plate 200 needs to be adjusted, and the portion to be cut needs to be ensured to be square after adjustment. The first positioning unit is adjusted such 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 since 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.

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

In one embodiment, in order to achieve 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 sequentially connected in a transmission manner, wherein the first worm 330 axis is arranged along a first direction, the second worm 331 axis is arranged along a second direction, the first bevel gear 340 and the second bevel gear 341 have the same parameters and are meshed for 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 screw-driven with the first worm 330, and the second positioning unit includes a second positioning plate 351 screw-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 because the parameters of the first bevel gear 340 and the parameters of the second bevel gear 341 are the same, the rotating speeds of the first bevel gear 340 and the second bevel gear 341 are the same, and because the first bevel gear 340 is fixedly connected with the first worm 330, and the second bevel gear 341 is fixedly connected with the second worm 331, the rotating speeds of the first worm 330 and the second worm 331 are the same. Since the parameters of the first worm 330 and the second worm 331 are the same, the movement amount of the first worm 330 driving the first positioning plate 350 is equal to the movement amount of the second worm 331 driving the second positioning plate 351.

In other embodiments, as shown in fig. 7, the first positioning unit and the second positioning unit are independently driven without a direct driving relationship therebetween. For example, with the above-described cutting apparatus for metal plate processing 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 driven to be the same, thereby making 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 the same.

As shown in fig. 2 and 7, in one embodiment, a first chute disposed along the first direction and a second chute disposed along the second direction are disposed on the lower die 400, and a first positioning unit is disposed through the first chute, and a second positioning unit is disposed through the second chute. The motor 310 on the working table 410 drives the rotating rod, the driving 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, meanwhile, 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 meshed 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 rotation amounts of the first worm 330 and the second worm 331 are the same, the displacement amount of the first positioning plate 350 in the first direction and the displacement amount of the second positioning plate 351 in the second direction are the same, and the first positioning rod 360 moves along the first sliding groove arranged along the first direction, and the second positioning rod 361 moves along the second sliding groove arranged along the second direction.

As shown in fig. 2, in one embodiment, the number of the tools 110 fixed to the upper die 100 is plural, and the number of the positioning assemblies is plural and the same as the number of the tools 110. One cutter 110 may cut one metal plate 200, one metal plate 200 requires a set of positioning members to fix the positions, the positioning members position the metal sheet to a preset position, and the cutters 110 cut down squares of corresponding sizes, so the number of cutters 110 determines the number of metal plates 200 that can be cut at a time, while a plurality of metal plates 200 require a plurality of positioning members to fix, whereby the number of cutters 110 is the same as the number of positioning members.

In one embodiment, as shown in fig. 2, the cutter 110 is hollow in the middle, has a slope at the bottom, has the longest and shortest sides in the vertical direction on the diagonal of a square, and the cutter 110 is circumferentially distributed around the longest side to form a cutting assembly, and has the bottom fixed to the upper die 100. The plurality of cutters 110 are arranged in an array, the plurality of cutters 110 are coaxially matched with the holes of the pressing plate 120, the plurality of cutters 110 are matched with the plurality of guide blocks, the plurality of guide blocks are also arranged in an array, the plurality of cutters 110 are tightly arranged to save the space of a processing platform, and when the processing platform works, the cutting force is concentrated on the plurality of cutters 110 arranged in an array, so that the cutting quality and the maximum efficiency of the processing platform can be improved.

In one embodiment, as shown in fig. 2, a guide block is provided on the lower mold 400, and the guide block is used 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 angle of the vertical longest edge on the cutter 110 is firstly contacted with the precision guide block 460, and if the cutter 110 has a small deviation, the round angle on the precision guide block 460 can guide the cutter 110. Thereby, the cutting quality is improved, the deviation of cutting is reduced, and the accuracy of the cutter 110 and the guide block is ensured.

As shown in fig. 2, in one embodiment, the tool 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, and cutter 110's guide section and cutting segment are right angle limit, and the guide section has first guide limit and second guide limit, and cutter 110's guide section is used for with the guide block direction, when metal cabinet door thickness needs to be adjusted, through adjusting first positioning unit or second positioning unit in the locating component, fix metal sheet 200 on predetermineeing the position, go up mould 100 and cut down for cutter 110 pushes down the time, cutter 110's guide section and the accurate cooperation of guide block have guaranteed the accuracy of cutting. The cutting section of cutter 110 is used for cutting metal sheet 200, the cutting section slope setting of cutter 110, cutter 110 has first cutting edge and second cutting edge, first cutting edge and second cutting edge are perpendicular, the corner point that presss from both sides of first cutting edge and second cutting edge is the minimum of cutter 110, the cutting face that cutter 110 slope makes the required shearing force of cutting reduce, four circumference distributions of cutter 110 have offset each other simultaneously and have produced the force along square diagonal to vertical longest limit to cutter 110 because of the cutting, simultaneously with the cooperation of below precision guide block 460 has guaranteed the precision of compound die, make the cutting quality improve greatly.

As shown in fig. 2 and 6, in one embodiment, the cutter 110 is in a rectangular frame shape as a whole, and the cutter 110 has a first cutting edge, a second cutting edge, a first guiding edge, and a second guiding edge, and the highest points of the first guiding edge and the second guiding edge in the vertical direction are lower than the first cutting edge and the second cutting edge. The guiding section of the cutter 110 includes a first guiding edge and a second guiding 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 the cutting section of the cutter 110 contacts the metal plate 200 first in the downward cutting process of the cutter 110, and then the guide edge of the cutter 110 is clamped with the guide block to cut off one corner of the metal plate 200.

As shown in fig. 2 and 6, in one embodiment, the first cutting edge and the second cutting edge are disposed obliquely. The first cutting edge and the second cutting edge form a right angle, and the corner points of the first cutting edge and the second cutting edge are the lowest points of the cutter 110, so that the corner points of the first cutting edge and the second cutting edge firstly contact the metal plate 200, then the guide sections of the cutter 110 and the guide blocks are clamped, so that the forces on the cutter 110 along the square diagonal line and the vertical longest edge caused by cutting are offset, and meanwhile, the precision of clamping is ensured by matching with the lower precision guide block 460, and the cutting quality is improved.

As shown in fig. 1 to 7, in one embodiment, when the processing platform works, the metal plate 200 is placed on the working platform 410, the side length of the square to be cut is determined according to the thickness of the cabinet door to be manufactured, and the square is driven to the transmission rod 320 by adjusting the motor 310 to rotate positively and negatively, so as to drive the first worm 330 to rotate, 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 sliding groove. The first worm 330 rotates to drive the first bevel gear 340 to rotate, drives the second bevel gear 341 to rotate, and the second bevel gear 341 and the first bevel gear 340 are engaged to drive the second worm 331 to rotate, and drives 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 operation. At this time, the upper die 100 is pushed down, and the pressing plate 120 is pushed 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 pushed down. The upper die 100 continues to be pushed down, at which time the pressing plate 120 cannot continue to move down, and the cutter 110 continues to be pushed down, cutting one corner of the metal plate 200. Then, the upper die 100 is raised to the initial position, the position of the metal plate 200 is adjusted, and cutting of the next corner is continued until all four corners are cut off.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The cutting equipment for metal plate machining is characterized by comprising an upper die and a lower die, wherein a cutter for cutting a metal plate is arranged on the upper die, a positioning assembly 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 mutually perpendicular, the movement amount of the first positioning unit is equal to the movement amount of the second positioning unit, a transmission assembly is arranged between the first positioning unit and the second positioning unit, when the first positioning unit moves along the first direction, the second positioning unit is driven to move along the second direction by the same distance through the transmission assembly, the transmission assembly comprises a first worm, a first bevel gear, a second bevel gear and a second worm which are sequentially connected 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 is identical in parameter, and the first bevel gear is fixedly meshed with the first bevel gear, and the second bevel gear is fixedly connected;

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; the number of the cutters is four, the number of the positioning assemblies is the same as that of the cutters, the four cutters are arranged in an array manner, guide blocks are arranged on the lower die and used for guiding the cutters, the number of the guide blocks is the same as that of the cutters, one guide block guides one cutter, the guide blocks are arranged in an array manner, the cutters are provided with guide sections and cutting sections, and the guide sections are higher than the cutting sections, so that the cutting sections of the cutters firstly contact a metal plate in the downward cutting process, then the guide edges of the cutters are matched with the guide blocks, and one angle of the metal plate is cut;

the cutter is rectangular frame, the direction section and the cutting section of cutter are right angle limit, the direction section has first leading edge and second leading edge, the direction section of cutter is used for with the guide block direction, the cutting section of cutter is used for cutting the metal sheet, the cutting section slope setting of cutter, the cutter has first cutting edge and second cutting edge, first cutting edge and second cutting edge are perpendicular, the corner point that presss from both sides of first cutting edge and second cutting edge is the minimum of cutter, the cutting face that the cutter inclines makes the required shearing force of cutting reduce, four circumference distributions of cutting cutter offset each other simultaneously and produce the force along square diagonal vertical longest limit to the cutter because of cutting, simultaneously with the accurate of the cooperation assurance compound die of below guide block.

2. The cutting apparatus for metal plate processing according to claim 1, wherein the lower die is provided with a first chute provided along the first direction and a second chute provided along the second direction, the first positioning unit is provided to pass through the first chute, and the second positioning unit is provided to pass through the second chute.