CN219254265U

CN219254265U - Optimized cutting device and cutting equipment

Info

Publication number: CN219254265U
Application number: CN202320257923.XU
Authority: CN
Inventors: 刘天恩; 刘玉
Original assignee: Rishan Computer Accessories Jiashan Co Ltd
Current assignee: Rishan Computer Accessories Jiashan Co Ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-27
Anticipated expiration: 2033-02-09

Abstract

The utility model provides an optimized cutting device and cutting equipment, wherein the optimized cutting device comprises a base plate and a jig, wherein the base plate and the jig are arranged in the middle of a machine frame, an upper cutting mechanism is erected above the jig, the upper cutting mechanism lifts at least one upper cutter along a straight line, a lower cutting mechanism is arranged below the base plate, the lower cutting mechanism lifts at least one lower cutter along a parabola, the upper cutter and the lower cutter are pressed up and down to form a notch, and the notch is provided with an up-down dislocation gap. According to the utility model, the automatic simulated manual folding action is designed, the cutting knife is driven to move up and down by the cam, so that a linear track and a parabolic track are formed to be matched for cutting, the movement track of the cutting knife achieves the simulated manual folding effect, and the completion degree of waste cutting is improved. The z-direction height of the lower cutter is adjusted, so that the height is higher than the height of the waste after bending after the lower cutter acts downwards, the function of exceeding the folding stop of the waste is achieved, the empty cutting is avoided, and the cutting success rate is ensured. The bending angle of the waste is increased, so that the CCD can effectively read whether the waste is folded or not.

Description

Optimized cutting device and cutting equipment

Technical Field

The utility model belongs to the technical field of machinery, and relates to mobile phone frame processing, in particular to an optimized cutting device and cutting equipment.

Background

After the small part is welded on the outer frame of the mobile phone, the positioning tail of the small part can be left on the product, the product needs to be cut through a cutting process, a plurality of risk points exist in the positioning tail, the tail cannot be cut for many times, the tail of the cut small part is hung on the product, the product is crushed during subsequent punching, and the reject ratio is 0.2%.

For example, chinese patent literature discloses a multiunit cam welding strip cutting mechanism, chinese patent No. 202220429278.0, the utility model discloses multiunit cam welding strip cutting mechanism, relate to photovoltaic automated production equipment technical field, including cut-off knife part, power part, supporting part and drive unit, cut-off knife part includes fixed blade holder, remove blade holder and wire cutter, both sides of fixed blade holder and removal blade holder are equipped with the cut-off knife and the inseparable laminating of cut-off knife, all be equipped with evenly distributed's a plurality of recesses that are used for holding the welding strip on cut-off knife and the wire cutter, the contact position of cut-off knife of fixed blade holder and removal blade holder, wire cutter and the contact position of the cut-off knife of removal blade holder are the edge of a knife, the drive unit includes the main shaft, be equipped with the thumb wheel on the main shaft, be equipped with the bump on the circumference of thumb wheel, the rigid coupling has the pendulum rod below the removal blade holder, be equipped with the first wheel that holds with the thumb wheel cooperation, the direction of removal blade holder is perpendicular with the welding strip direction, the side of removal blade holder is equipped with reset mechanism, power part is connected with the main shaft. The utility model can improve the cutting efficiency of the welding strip without improving the wire drawing speed.

According to the technical scheme, although the reciprocating driving of the cutter is realized by adopting the cam, a specific matching relation is not formed between the two cutters, and the lower cutter cannot push the small piece due to overlarge bending angle of the tail of the small piece, or the bending angle of the tail of the small piece is approximately equal to 90 degrees, so that the CCD cannot judge whether the tail of the small piece is folded or not. Thereby also causing a problem of reduced yield of the finished product.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an optimized cutting device and cutting equipment for improving cutting power through pressing and cutting of a linear track and a parabolic track by means of the matching relation and the position relation of an upper cutter and a lower cutter.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides an optimization type cutting device, includes base plate and the tool that the frame middle part set up, tool top is erect and is gone up cutting mechanism, go up cutting mechanism along at least one last cut-off knife of straight line lift, the base plate below sets up down cutting mechanism, lower cutting mechanism is along at least one lower cut-off knife of parabola lift, go up the cut-off knife with pressfitting about the lower cut-off knife constitutes the incision, the incision has dislocation clearance from top to bottom.

In the optimized cutting device, the upper cutting tool is provided with a square cylindrical cutter body, and the bottom end of the square cylindrical cutter body is provided with a flat blade; the top of the lower cutter is provided with a right trapezoid cutter head, and the right trapezoid cutter head is provided with a top surface cutting edge and an inclined surface cutting edge; the flat blade and the top blade are arranged in a dislocation way, and an up-down dislocation gap is formed between the flat blade and the inclined blade.

In the optimized cutting device, the pressing gap between the top surface cutting edge of the lower cutter and the flat edge of the upper cutter is-0.5 mm.

In the above-mentioned optimized cutting device, the middle part of the substrate is provided with a cutting window, the inside of the cutting window is provided with the jig, the jig is provided with at least one cutting notch, and the cutting notch is communicated with the cutting window.

In the optimized cutting device, the frame is provided with the translator, a telescopic rod of the translator is fixedly connected with the jig, a sliding rail is arranged in the substrate, the telescopic rod is fixedly connected with a sliding block, and the sliding block is clamped and embedded on the sliding rail to form sliding connection.

In the above-mentioned optimization type cutting device, the lower cutting mechanism comprises a motor fixedly arranged on the frame, an elliptical wheel is fixedly sleeved on a rotating shaft of the motor, a round wheel is supported on the elliptical wheel in a rolling manner, a lower lifting plate is supported by the round wheel through a bearing seat, and at least one lower cutter is erected on the top surface of the lower lifting plate.

In the optimized cutting device, a plurality of tension springs are connected between the lower lifting plate and the frame, and the tension springs are symmetrically arranged on two sides of the elliptical wheel.

In the above-mentioned optimization type cutting device, the upper cutting mechanism comprises a lifter fixedly arranged on the frame, the lifter downwards extends out of the lifting rod, the bottom end of the lifting rod is fixedly connected with an upper lifting plate, at least one upper cutter is erected on the bottom surface of the upper lifting plate, the lower part of the upper lifting plate is connected with a pre-pressing plate through a pressure spring, and the upper cutter penetrates through the pre-pressing plate to be in movable penetration connection.

In the optimized cutting device, the bottom surface of the pre-pressing plate protrudes downwards if the pre-pressing plate interferes with the pressing blocks, and a plurality of pre-pressing blocks are arranged in a matrix.

A cutting device comprises the optimized cutting device.

Compared with the prior art, the optimized cutting device and the cutting equipment have the following beneficial effects:

1. the automatic simulated manual folding action is designed, the cutting knife is driven to move up and down through the cam, the linear track and the parabolic track are formed to be matched for cutting, the motion track of the automatic simulated manual folding action achieves the simulated manual folding effect, and the completion degree of waste cutting is improved.

2. The z-direction height of the lower cutter is adjusted, so that the height is higher than the height of the waste after bending after the lower cutter acts downwards, the function of exceeding the folding stop of the waste is achieved, the empty cutting is avoided, and the cutting success rate is ensured.

3. The bending angle of the waste is increased, so that the CCD can effectively read whether the waste is folded or not, and the quality of a finished product is ensured.

Drawings

Fig. 1 is a front view of the structure of the present optimum cutting device.

Fig. 2 is a front perspective view of the present optimized cutting device.

Fig. 3 is a rear perspective view of the present optimized cutting device.

Fig. 4 is a diagram showing the construction of the operation steps of the present optimum cutting apparatus.

In the figure, 1, a substrate; 2. a jig; 3. a translator; 4. a motor; 5. an elliptical wheel; 6. a round wheel; 7. a bearing seat; 8. a lower lifting plate; 9. a lower cutter; 10. a tension spring; 11. a lifter; 12. an upper lifting plate; 13. an upper cutter; 14. a pre-pressing plate; 15. pre-pressing the blocks.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1 to 3, the optimized cutting device comprises a substrate 1 and a jig 2, wherein the middle part of the frame is provided with an upper cutting mechanism, the upper cutting mechanism is erected above the jig 2, at least one upper cutter 13 is lifted along a straight line, a lower cutting mechanism is arranged below the substrate 1, at least one lower cutter 9 is lifted along a parabola by the lower cutting mechanism, the upper cutter 13 and the lower cutter 9 are pressed up and down to form a notch, and the notch is provided with an upper dislocation gap and a lower dislocation gap.

The upper cutter 13 is provided with a square cylindrical cutter body, and the bottom end of the square cylindrical cutter body is a flat blade; the top of the lower cutter 9 is provided with a right trapezoid cutter head, and the right trapezoid cutter head is provided with a top surface cutting edge and an inclined surface cutting edge; the flat blade and the top blade are arranged in a dislocation way, and an up-down dislocation gap is formed between the flat blade and the inclined blade. The phenomenon of empty cutting caused by transitional bending of the product is avoided by using dislocation, waste materials of the product are ensured to enter an upper-lower dislocation gap in a bending state, and further waste material cutting is completed by pressing the upper cutter 13 through curve lifting action of the lower cutter 9.

The press fit gap between the top surface edge of the lower cutter 9 and the flat edge of the upper cutter 13 is-0.5 mm. The Z-direction height of the lower cutter 9 is adjusted to be higher than the height of the waste after being bent after the lower cutter moves downwards, so that the waste is folded over and stopped, and the empty cutting operation is effectively avoided.

The middle part of the base plate 1 is provided with a cutting window, a jig 2 is arranged in the cutting window, at least one cutting notch is arranged on the jig 2, and the cutting notch is communicated with the cutting window. The number and the positions of the cutting gaps are matched with the upper cutter 13 and the lower cutter 9, and the cutting gaps are communicated with the cutting window in an up-down mode, so that the pressing operation of the upper cutter 13 and the lower cutter 9 is facilitated.

The frame is provided with a translator 3, a telescopic rod of the translator 3 is fixedly connected with a jig 2, a sliding rail is arranged in the base plate 1, the telescopic rod is fixedly connected with a sliding block, and the sliding block is clamped and embedded on the sliding rail to form sliding connection. The telescopic rod is driven to extend or retract through the translator 3 to drive the jig 2 to translate reciprocally, so that the position of the cutting notch is adjusted, and the waste cutting precision is improved.

The lower cutting mechanism comprises a motor 4 fixedly arranged on the frame, an elliptical wheel 5 is fixedly sleeved on a rotating shaft of the motor 4, a round wheel 6 is supported on the elliptical wheel 5 in a rolling manner, the round wheel 6 supports a lower lifting plate 8 through a bearing seat 7, and at least one lower cutter 9 is erected on the top surface of the lower lifting plate 8. The elliptical wheel 5 is driven to rotate at a constant speed in a directional manner through the rotating shaft of the motor 4, the elliptical wheel 5 rotates and simultaneously the circular wheel 6 rolls relatively along the outer circumference of the elliptical wheel 5, and the circular wheel 6 is driven to lift or descend the lifting plate 8 along the parabola through the change of the radius length of the elliptical wheel 5, so that the circular action of cutting the lower cutter 9 on the parabola is realized.

A plurality of tension springs 10 are connected between the lower lifting plate 8 and the frame, and the tension springs 10 are symmetrically arranged on two sides of the elliptical wheel 5. The lower lifting plate 8 is pulled down and reset through the tension springs 10, so that the round wheel 6 is in close contact with the elliptical wheel 5, and the accuracy of parabolic upper cutting track of the lower cutter 9 is ensured.

The upper cutting mechanism comprises a lifter 11 fixedly arranged on the frame, the lifter 11 downwards extends out of a lifting rod, the bottom end of the lifting rod is fixedly connected with an upper lifting plate 12, at least one upper cutter 13 is erected on the bottom surface of the upper lifting plate 12, the lower part of the upper lifting plate 12 is connected with a pre-pressing plate 14 through a pressure spring, and the upper cutter 13 penetrates through the pre-pressing plate 14 to form movable cross connection. The lifting rod of the lifter 11 drives the upper lifting plate 12 to press down, the pre-pressing plate 14 contacts the product, and the compression spring is further compressed to press the upper cutter 13 for cutting down.

The bottom surface of the pre-pressing plate 14 protrudes downwards to form a plurality of pre-pressing blocks 15, and the pre-pressing blocks 15 are arranged in a matrix. During the pressing down, the pre-pressing block 15 is firstly contacted with the base plate 1, so that a support is formed to provide a buffer space for the subsequent pressing down, and the pre-pressing plate 14 is prevented from damaging the product.

As shown in fig. 4, the function steps of the optimized cutting device are as follows:

step1: placing the product on the jig 2 and forming a fixation, so that each waste on the product is correspondingly positioned in each cutting notch;

step2: the upper cutter 13 bends the waste downwards, and the lower cutter 9 and the upper cutter 13 are linked and synchronously act downwards;

step3; the upper cutter 13 is linked with the lower cutter 9 to move upwards, and the lower cutter 9 pushes up the waste material and presses the waste material with the upper cutter 13 to cut the waste material because the lower cutter 9Z and the X move simultaneously to form a parabolic motion track.

Compared with the prior art, the optimized cutting device has the following beneficial effects:

Example two

Based on the first embodiment, the difference of this embodiment is:

as shown in fig. 1 to 3, a cutting apparatus includes the above-described optimized cutting device.

Compared with the prior art, the cutting equipment has the following beneficial effects:

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the substrate 1 is used more herein; a jig 2; a translator 3; a motor 4; an elliptical wheel 5; a round wheel 6; a bearing seat 7; a lower lifting plate 8; a lower cutter 9; a tension spring 10; a lifter 11; an upper lifting plate 12; an upper cutter 13; a pre-press plate 14; the use of other terms is not precluded by the terms of the pre-press 15. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides an optimization type cutting device, includes base plate and the tool that the frame middle part set up, its characterized in that, tool top sets up cutting mechanism, go up cutting mechanism along at least one last cut-off knife of straight line lift, the base plate below sets up cutting mechanism down, cutting mechanism goes up at least one lower cut-off knife along the parabola lift, go up the cut-off knife with pressfitting about the cut-off knife constitutes the incision, the incision has dislocation clearance from top to bottom.

2. The optimized cutting device of claim 1, wherein the upper cutter has a square cylindrical cutter body, and the bottom end of the square cylindrical cutter body is a flat blade; the top of the lower cutter is provided with a right trapezoid cutter head, and the right trapezoid cutter head is provided with a top surface cutting edge and an inclined surface cutting edge; the flat blade and the top blade are arranged in a dislocation way, and an up-down dislocation gap is formed between the flat blade and the inclined blade.

3. The optimized cutting device of claim 2, wherein the nip gap between the top blade of the lower cutter and the flat blade of the upper cutter is-0.5 mm.

4. The optimized cutting device of claim 1, wherein a cutting window is opened in the middle of the substrate, the jig is disposed in the cutting window, at least one cutting notch is opened on the jig, and the cutting notch is communicated with the cutting window.

5. The optimized cutting device of claim 4, wherein a translator is mounted on the frame, a telescopic rod of the translator is fixedly connected with the jig, a sliding rail is arranged in the substrate, the telescopic rod is fixedly connected with a sliding block, and the sliding block is clamped and embedded on the sliding rail to form sliding connection.

6. The optimized cutting device of claim 1, wherein the lower cutting mechanism comprises a motor fixedly arranged on the frame, an elliptical wheel is fixedly sleeved on a rotating shaft of the motor, a round wheel is supported on the elliptical wheel in a rolling manner, a lower lifting plate is supported by the round wheel through a bearing seat, and at least one lower cutter is erected on the top surface of the lower lifting plate.

7. The optimized cutting device of claim 6, wherein a plurality of tension springs are connected between the lower lifting plate and the frame, and the tension springs are symmetrically arranged on two sides of the elliptical wheel.

8. The optimized cutting device of claim 1, wherein the upper cutting mechanism comprises a lifter fixedly arranged on the frame, the lifter extends downwards to form a lifting rod, the bottom end of the lifting rod is fixedly connected with an upper lifting plate, at least one upper cutter is vertically arranged on the bottom surface of the upper lifting plate, the lower part of the upper lifting plate is connected with a pre-pressing plate through a pressure spring, and the upper cutter penetrates through the pre-pressing plate to be movably connected.

9. The optimized cutting device of claim 8, wherein the bottom surface of said pre-pressing plate protrudes downward if the pre-pressing plate interferes with the pressing block, and a plurality of said pre-pressing blocks are arranged in a matrix.

10. A cutting apparatus comprising an optimised cutting device as claimed in any one of claims 1 to 9.