CN114986574A

CN114986574A - Auxiliary jig for film cutting and film cutting process

Info

Publication number: CN114986574A
Application number: CN202210663682.9A
Authority: CN
Inventors: 陆伟; 孔令强
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-02

Abstract

The invention discloses a film cutting auxiliary jig and a film cutting process, and belongs to the technical field of PCB production and processing equipment. The film cutting auxiliary jig comprises a disc carrying unit, a cutting unit and a guide assembly, wherein the disc carrying unit comprises a support and a support plate which is rotatably connected to the support, the support plate can rotate to a preset position, and the support plate is used for fixing a product; the cutting unit comprises a cutter frame, a plurality of cutter assemblies and a cutter switch, the cutter assemblies and the cutter switch are arranged on the cutter frame, the cutter switch can control the cutter body of each cutter assembly to stretch and retract along the direction towards the carrier plate, the cutter assemblies are arranged along the first direction, the positions of the cutter bodies correspond to the dividing lines on the product, and the cutting unit can move along the second direction to cut the product; the cutting unit moves along the guide assembly. The auxiliary jig for film cutting avoids manual tool holding, improves operation safety, can ensure cutting tidiness, and is beneficial to subsequent automatic balance.

Description

Auxiliary jig for film cutting and film cutting process

Technical Field

The invention relates to the technical field of PCB production and processing equipment, in particular to a film cutting auxiliary jig and a film cutting process.

Background

As shown in fig. 1, the product 100 obtained by board splitting by an automatic machine, such as a PCB board unit, includes a PCB board 103, a bottom film 104 attached to the PCB board 103, and a frame 105 disposed around the PCB board 103, and then the PCB board 103 and the bottom film 104 are cut together along a dividing line 101 by a manual tool to obtain a PCB board 106 with a portion of the bottom film 104 as shown in fig. 2. On the one hand, however, manual hand-held knife cutting presents safety issues; on the other hand, it is difficult to ensure that the cutting is neat during manual cutting, and the irregular cutting shape is not beneficial to automatic arrangement of the PCB sub-boards 106 in the rear direction.

Therefore, there is a need for a cutting auxiliary tool and a cutting process to solve the above problems.

Disclosure of Invention

The invention aims to provide a film cutting auxiliary jig and a film cutting process, which avoid manual tool holding, improve the operation safety, ensure the cutting tidiness and are beneficial to subsequent automatic balance.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, a film cutting auxiliary tool is provided, which comprises:

the tray carrying unit comprises a support and a carrier plate which is rotatably connected to the support, the carrier plate can rotate to a preset position, and the carrier plate is used for fixing a product;

the cutting unit comprises a cutter frame, a plurality of cutter assemblies and cutter switches, the cutter switches are arranged on the cutter frame, the cutter switch can control the cutter body of each cutter assembly to stretch and retract along the direction towards the carrier plate, the cutter assemblies are arranged along the first direction, the positions of the cutter bodies correspond to the dividing lines on the product, and the cutting unit can move along the second direction to cut the product;

a guide assembly along which the cutting unit moves.

Optionally, the cutter assembly includes a cylinder and a cutter body connected to an output end of the cylinder, and the cutter switch includes:

a one-way valve connected to the cylinder of a portion of the cutter assembly;

and the manual valves are respectively connected with the one-way valve and the cylinder of the other part of the cutter assembly.

Optionally, the check valve includes a first air path and a second air path, when the carrier plate is located at a first preset position, the first air path is in a normally open state, the second air path is in a normally closed state, and the cutter body on the cylinder is in a retracted state; when the support plate is located at a second preset position, the first air path is in a normally closed state, the second air path is in a normally open state, and the air cylinder and the manual valve are in a communicated state.

Optionally, a limiting plate is arranged on the support, and the cutting unit can abut against the limiting plate.

Optionally, the limiting plate is provided with an extending plate along the second direction, and the dividing line can be parallel to the extending plate.

Optionally, be equipped with the protection casing on the knife rest, just the bottom of protection casing with carry a set unit and carry on a set unit the product interval sets up, the hole of dodging has been seted up to the protection casing, the board of stretching out can wear to locate the hole of dodging.

Optionally, a suction cup is connected to the carrier plate, and the suction cup can absorb the product.

Optionally, an avoiding groove is formed in the suction cup, and the avoiding groove corresponds to the dividing line.

Optionally, the tray unit further includes a rotary driving element fixed to the bracket, and the carrier plate is connected to an output end of the rotary driving element.

Optionally, the tray unit further includes a switch assembly, the switch assembly includes a switch body and a protection assembly covering the switch body, the switch body is fixed on the tool holder, and the switch body is electrically connected to the rotary driving member;

the protection component comprises a fixed plate, a switch cover, a limiting block and an ejecting block, the fixed plate is fixed on the knife rest, the switch cover is rotatably connected to the fixed plate, the limiting block is fixed on the fixed plate, the ejecting block is fixed on the support, the switch cover is abutted to the ejecting block and can rotate to enable the switch body to be exposed, and the switch cover can be abutted to the limiting block when opened.

On the other hand, the film cutting process applying the auxiliary film cutting jig comprises the following steps:

s1: a product is fixed on the carrier plate, and the carrier plate is controlled to rotate to a first preset position;

s2: the cutting unit is controlled to move to a third preset position along the second direction, and the cutter switch controls the cutter bodies of the M cutter assemblies to extend out;

s3: controlling the cutting unit to move along the second direction to cut the product;

s4: the cutter switch controls the retraction of the cutter bodies of the M cutter assemblies.

Optionally, after the cutter switch controls the retraction of the cutter bodies of the M cutter assemblies, the method further includes:

s5: controlling the carrier plate to rotate to a second preset position;

s6: controlling the cutting unit to move to a fourth preset position along the second direction;

s7: the cutter switch controls the cutter bodies of the N cutter assemblies to extend out;

s8: and controlling the cutting unit to move along the second direction to cut the product.

The invention has the beneficial effects that:

according to the auxiliary jig for film cutting and the film cutting process, the product is fixed through the carrying disc unit, and the product is cut through the cutting unit, so that manual holding of an art designer cutter is avoided, and safety is improved; the cutting line of the product corresponds to the cutter body by rotating the support plate, the cutting unit moves along the guide assembly, the cutting precision is improved, the cutting shape is regular, the cutting is accurate and neat, and automatic balance and the like can be performed conveniently and subsequently. Through rotating the support plate, the cutting of the parting line of the product in any direction can be realized, and the applicability is improved. Through setting up a plurality of cutter subassemblies, can cut many cut rule simultaneously, and cutter switch can stretch out and draw back by every cutter body of independent control, can make the cutter body stretch out and cut according to the quantity and the position of cut rule selectively, has further improved the suitability.

Drawings

FIG. 1 is a schematic diagram of a prior art product;

FIG. 2 is a schematic diagram of a PCB sub-board in the prior art;

fig. 3 is a schematic structural diagram of a film cutting auxiliary fixture according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a cutting unit provided in an embodiment of the present invention;

FIG. 5 is a top view of a tray unit provided by an embodiment of the present invention;

fig. 6 is a bottom view of a tray loading unit according to an embodiment of the present invention.

In the figure:

100. producing a product; 101. dividing the lines; 102. a limiting groove; 103. splicing the PCB; 104. a base film; 105. a frame; 106. dividing the PCB;

1. a tray loading unit; 11. a support; 12. a carrier plate; 13. a suction cup; 131. an avoidance groove; 132. a limiting bulge; 133. an empty avoiding groove; 134. sucking holes; 135. mounting holes; 14. a rotary drive member; 15. a switch assembly; 151. a switch body; 152. a guard assembly; 1521. a fixing plate; 1522. a switch cover; 1523. a limiting block; 1524. a top block; 16. a limiting plate; 161. extending the plate; 17. a second compression plate; 18. a first squeeze plate;

2. a cutting unit; 21. a tool holder; 22. a cutter assembly; 221. a cylinder; 222. a cutter body; 2221. a blade; 23. a cutter switch; 231. a one-way valve; 232. a manual valve; 233. a first sensing member; 234. a second sensing member; 24. a handle; 25. a protective cover; 251. avoiding holes;

3. a guide assembly; 31. a track; 32. a slider;

4. and (4) dragging the chain.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. 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. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 2, the product 100 is provided with a dividing line 101, and is divided along the dividing line 101 to obtain desired divided pieces. In the present embodiment, the product 100 is a PCB panel unit, and the required segmented piece is a PCB panel 103 for an exemplary description, in other embodiments, the product 100 may also be other sheet-like products with similar processes, including a workpiece and a jig, without limitation.

The embodiment provides a film cutting auxiliary fixture, as shown in fig. 3-6, which includes a tray unit 1, a cutting unit 2 and a guiding assembly 3, wherein the tray unit 1 includes a support 11 and a carrier plate 12 rotatably connected to the support 11, the carrier plate 12 can rotate to a preset position, and the carrier plate 12 is used for fixing a product 100; the cutting unit 2 comprises a cutter frame 21, a plurality of cutter assemblies 22 arranged on the cutter frame 21 and a cutter switch 23, the cutter switch 23 can control the cutter body 222 of each cutter assembly 22 to stretch and retract along the direction towards the carrier plate 12, the cutter assemblies 22 are arranged along the first direction, the positions of the cutter bodies 222 correspond to the dividing line 101 on the product 100, and the cutting unit 2 can move along the second direction to cut the product 100; the cutting unit 2 moves along the guide assembly 3.

The embodiment further provides a cutting process for cutting a product 100 by using the above film cutting auxiliary fixture, which comprises the following steps: fixing the product 100 on the carrier 12, and rotating the carrier 12 with respect to the holder 11 by a certain angle to make the cutter body 222 correspond to the dividing line 101, in this embodiment, the dividing line 101 extends along the second direction; the cutter switch 23 controls the corresponding cutter body 222 to extend towards the carrier plate 12; the cutting unit 2 moves in the second direction to cut along the dividing line 101, thereby dividing the product 100. In this embodiment, the first direction is an X-axis direction, the second direction is a Y-axis direction, and the first direction is perpendicular to the second direction.

The product 100 is fixed through the carrying disc unit 1, and the product 100 is cut by the cutting unit 2, so that manual holding of an art designing cutter is avoided, and safety is improved; the cutting line 101 of the product 100 corresponds to the cutter body 222 by rotating the carrier plate 12, and the cutting unit 2 moves along the guide assembly 3, so that the cutting precision is improved, the cutting shape is regular, the cutting is accurate and neat, and the automatic balance and the like can be conveniently carried out subsequently. By rotating the carrier plate 12, the cutting of the product 100 at the dividing line 101 in any direction can be realized, and the applicability is improved. Through setting up a plurality of cutter unit spares 22, can cut many parting lines 101 simultaneously, and cutter switch 23 can the flexible of every cutter body 222 of independent control, can make cutter body 222 stretch out selectively according to the quantity and the position of parting line 101 and cut, has further improved the suitability.

As shown in fig. 1 and fig. 2, in the present embodiment, two sets of dividing lines 101 need to be cut, the two sets of dividing lines 101 are perpendicular, the first set includes two dividing lines 101, and the second set includes three dividing lines 101. In this embodiment, three cutter assemblies 22 are included, and initially, the cutter bodies 222 are retracted to place the product 100 on the carrier plate 12; firstly, cutting a first group of parting lines 101, rotating the carrier plate 12 to enable the two parting lines 101 to correspond to the two cutter bodies 222 on the two sides, and controlling the cutter bodies 222 of the cutter assemblies 22 on the two sides to respectively extend out by the cutter switch 23 for cutting; then the cutter body 222 retracts, the carrier plate 12 rotates 90 degrees, the three dividing lines 101 correspond to the three cutter bodies 222, and the cutter switch 23 controls the cutter bodies 222 of the three cutter assemblies 22 to extend out for cutting, so that the required cutting pieces are divided. The carrier plate 12 is rotated after the cutter body 222 retracts, so that the carrier plate 12 cannot be rotated when the cutter body 222 extends to abut against the product 100, the rotation operation can be performed only when the cutter body 222 retracts to the original point, and meanwhile, the cutter body 222 can be prevented from being damaged.

As an alternative embodiment, as shown in fig. 3 and 4, the guiding assembly 3 comprises a track 31 and a slider 32 slidably connected to the track 31, one of the track 31 and the slider 32 being fixed to the bracket 11, and the other being fixed to the tool post 21. In this embodiment, the rail 31 is a guide rail, the guide rail is fixed on the bracket 11, the tool rest 21 is fixed on the sliding block 32, specifically, the two-stage guide assembly 3 is included, the sliding blocks 32 are respectively installed at two ends of the tool rest 21, and the sliding precision is improved; in other embodiments, the rail 31 may be a guide groove, and the like, without limitation.

In this embodiment, as shown in fig. 4, the cutting unit 2 further includes a handle 24, the handle 24 is disposed on the knife rest 21, and the handle 24 is manually held to push the knife rest 21 to move along the second direction, so as to manually drive cutting; in other embodiments, a linear output driving element such as a linear motor may be connected to the tool rest 21 to achieve automatic cutting, and the cutting may be performed according to actual conditions, without limitation.

As an alternative embodiment, as shown in fig. 4, the cutter assembly 22 includes a cylinder 221 and a cutter body 222 connected to an output end of the cylinder 221, and the cutter body 222 is extended and retracted by controlling a piston rod of the cylinder 221 to extend and retract. Accordingly, the cutter switch 23 includes a check valve 231 and a manual valve 232, the check valve 231 is connected to the cylinder 221 of a part of the cutter assembly 22; the manual valve 232 is connected to the check valve 231 and the cylinder 221 of the other part of the cutter unit 22, respectively. When the check valve 231 is open, the manual valve 232 is opened, and all the cylinders 221 operate; when the check valve 231 is opened, the cylinder 221 directly connected to the manual valve 232 is operated by opening the manual valve 232. The corresponding position of the product 100 is cut by controlling the action of the different cylinders 221. The control valve is used for controlling, no complex circuit is provided, the cost is saved, and the operation is convenient and fast. In this embodiment, the check valve 231 is used to control the cylinder 221 located in the middle, close the check valve 231, and open the manual valve 232, so that the cutter bodies 222 mounted on the cylinders 221 on both sides extend out at the same time; the check valve 231 is opened and the manual valve 232 is opened to simultaneously extend the cutter bodies 222 of the three cylinders 221.

Further, the check valve 231 includes a first air path and a second air path, the bottom of the carrier plate 12 is provided with a first extrusion plate 18, when the carrier plate is located at a first preset position, the first extrusion plate 18 and the check valve 231 are in a separated state, at this time, the first air path is in a normally open state, the second air path is in a normally closed state, and the cutter body 222 on the air cylinder 221 connected with the check valve 231 is in a retracted state; when the carrier plate 12 is located at the second predetermined position, the first pressing plate 18 presses the check valve 231, so that the first air path changes to the normally closed state, the second air path changes to the normally open state, and the air cylinder 221 connected to the check valve 231 and the manual valve 232 are in the communication state. When the carrier plate 12 is switched between the first preset position and the second preset position, the first squeezing plate 18 squeezes the check valve 231, so that the automatic switching of the state of the check valve 231 is realized, further, the automatic switching whether the partial cylinder 221 is directly controlled by the manual valve 232 is realized, and the contraction state can be kept when the corresponding cylinder 221 is not used through the check valve 231, and the influence on other cylinders is avoided.

In this embodiment, the first sensing member 233 and the second sensing member 234 fixed to the bracket 11 are further included; the bottom of the carrier plate 12 is provided with a second pressing plate 17, the second pressing plate 17 is located between the first sensing member 233 and the second sensing member 234, specifically, when the carrier plate 12 rotates from the first preset position to the second preset position, the second pressing plate 17 is transferred from the first sensing member 233 to the second sensing member 234, the first sensing member 233 and the second sensing member 234 are used for sensing the second pressing plate 17 to ensure the rotated position of the carrier plate 12, preferably, the included angle between the first sensing member 233 and the second sensing member 234 is 90 degrees, so that the rotated angle of the second pressing plate 17 is kept at 90 degrees. Of course, the positions of the first sensing member 233 and the second sensing member 234 can be reversed, and are not limited herein.

The included angle between the first pressing plate 18 and the second pressing plate 17 is 180 degrees, so that the first pressing plate 19 and the second pressing plate 17 do not affect each other when they rotate.

Further, as shown in fig. 4, the multifunctional electric heating device further comprises a drag chain 4, an air pipe and the like penetrate through the drag chain 4, one end of the drag chain 4 is fixed on the bracket 11, the other end of the drag chain 4 is fixed on the sliding block 32, the air pipe is contained through the drag chain 4, mess is prevented, and the attractiveness and the reliability are improved.

As an alternative embodiment, as shown in fig. 5, a limiting plate 16 is disposed on the bracket 11, the cutting unit 2 can abut against the limiting plate 16, and initially, the bracket 11 abuts against the limiting plate 16, so as to place the product 100 on the carrier plate 12, and prevent the bracket 11 and the cutter assembly 22 on the bracket 11 from interfering with the fixing of the product 100; further, the limiting plate 16 is provided with an extending plate 161 along the second direction, the dividing line 101 can be parallel to the extending plate 161, and the rotation precision of the product 100 on the carrier plate 12 is improved by using the extending plate 161 as a reference when the carrier plate 12 is rotated, so as to improve the cutting precision.

As an alternative embodiment, as shown in fig. 3, a protection cover 25 is arranged on the knife rest 21, the bottom of the protection cover 25 is arranged at an interval with the disk carrying unit 1 and the product 100 on the disk carrying unit 1, and the cutter assembly 22 is hidden in the protection device to prevent cut injury and protect the safety of personnel; the protection cover 25 is provided with an avoiding hole 251, and the extending plate 161 can penetrate through the avoiding hole 251.

As an optional embodiment, as shown in fig. 5, a suction cup 13 is connected to the carrier plate 12, the suction cup 13 can absorb the product 100, specifically, a mounting hole 135 is formed in the suction cup 13, a fastener passes through the mounting hole 135 and a threaded hole in the carrier plate 12 to detachably connect the suction cup 13 and the carrier plate 12, a space is formed between the suction cup 13 and the carrier plate 12, a suction hole 134 is formed in the suction cup 13, a suction pipe is connected to the carrier plate 12, the suction cup 13 absorbs the product 100 by performing vacuum pumping through the suction pipe, so that the product 100 is fixed to the suction cup 13, the product 100 is prevented from moving or rotating during cutting, and the cutting reliability is improved. Specifically, the suction cup 13 is simultaneously opened to suck vacuum while the cutter body 222 is down.

As an alternative embodiment, as shown in fig. 5, a limiting groove 102 is formed on the product 100, and a limiting groove 102 matched with the limiting protrusion 132 is formed on the carrier plate 12, so that circumferential limiting between the product 100 and the carrier plate 12 can be achieved, rotation in the cutting process is avoided, and cutting reliability is improved.

As an optional embodiment, as shown in fig. 5, an avoiding groove 131 is formed on the suction cup 13, and the avoiding groove 131 corresponds to the dividing line 101, so that the situation that the use of the suction cup 13 is affected due to the fact that the suction cup 13 is scratched by the cutter body 222 in the cutting process is avoided, and the reliability is improved.

As an optional implementation manner, as shown in fig. 3 and 5, the suction cup 13 is provided with clearance grooves 133, in this embodiment, four clearance grooves 133 are uniformly spaced, and when the product 100 is disassembled and assembled with the suction cup 13, a human hand can extend into the clearance grooves 133, which is convenient for operation.

As an alternative embodiment, as shown in fig. 6, the tray unit 1 further includes a rotary driving member 14 fixed on the bracket 11, the carrier plate 12 is connected to an output end of the rotary driving member 14, and the rotary driving member 14 is driven according to a required rotation angle; in this embodiment, the rotary driving element 14 is a rotary cylinder, and the rotary cylinder drives the carrier plate 12 to rotate 90 °; in other embodiments, the rotary driving element 14 may also be a motor, which can drive the carrier plate 12 to rotate to any angle, thereby improving the applicability. Alternatively, in other embodiments, the rotation may be performed manually, without limitation.

As an alternative embodiment, as shown in fig. 3 and 4, the disk loading unit 1 further includes a switch assembly 15, the switch assembly 15 includes a switch body 151 and a protection assembly 152 covering the switch body 151, the switch body 151 is fixed on the knife rest 21, and the switch body 151 is electrically connected to the rotary driving member 14; in this embodiment, the switch assembly 15 is disposed on the table of the bracket 11, which is convenient for operation. Specifically, the switch body 151 may be selected according to the prior art, and is not described in detail.

Further, as shown in fig. 4, the protection assembly 152 includes a fixing plate 1521, a switch cover 1522, a limit block 1523 and a top block 1524, the fixing plate 1521 is fixed on the knife rest 21, the switch cover 1522 is rotatably connected to the fixing plate 1521, the limit block 1523 is fixed on the fixing plate 1521, the top block 1524 is fixed on the bracket 11, the switch cover 1522 can be rotated to be opened when abutting against the top block 1524 so as to expose the switch body 151, and the switch cover 1522 can abut against the limit block 1523 when being opened. Through the kicking block 1524 that sets up in support 11 one end, when knife rest 21 takes cutter unit spare 22 to remove to one end, take place to interfere when preventing installation product 100, at this moment, switch cover 1522 can support on kicking block 1524, and switch cover 1522 can autogiration remind operator operating switch body 151 to carry out the support plate 12 rotation to carry out the cutting of next set of cut-off line 101, protection component 152 has realized preventing slow-witted effect. When the switch cover 1522 is separated from the top block 1524, the switch cover 1522 covers the switch body 151, so that the switch cover plays a role in cutting, and the phenomenon that the product 100 rotates due to the fact that the switch body 151 is pressed by mistake in the cutting process is avoided.

In this embodiment, as shown in fig. 4, the cutting edge 2221 faces the direction of the limiting plate 16, so when cutting, the product 100 is first adjusted to a desired position; then, the tool holder 21 is pushed to the end away from the limit plate 16; then, the cutter switch 23 extends the corresponding cutter body 222, and finally, the cutter holder 21 is pushed from the end far away from the position of the position-limiting plate 16 to the end close to the position-limiting plate 16, so as to cut the product 100 by the blade 2221; in other embodiments, when the blade 2221 deviates from the direction of the limiting plate 16, the cutting can be performed in the opposite direction, and the cutting is performed as required, which is not limited.

The embodiment provides a film cutting process applying the film cutting auxiliary jig, which comprises the following steps:

s1: fixing the product 100 on the carrier 12, and controlling the carrier 12 to rotate to a first preset position;

s2: the cutting unit 2 is controlled to move to a third preset position along the second direction, and the cutter switch 23 controls the cutter bodies 222 of the M cutter assemblies 22 to extend out; wherein, the third preset position is one end far away from the initial position of the tool rest 21;

s3: controlling the cutting unit 2 to move the cut product 100 in the second direction;

s4: the cutter switch 23 controls the cutter bodies 222 of the M cutter assemblies 22 to be retracted.

Above-mentioned in-process, fix product 100 and rotate to first preset position through carrying support plate 12 in the dish unit 1, the corresponding cutter body 222 among the control cutting unit 2 stretches out and removes along the second direction, cuts product 100, carries dish unit 1 and cutting unit 2 to mutually support, avoids artifical handheld cutter, and the security is high, and the technological process is simple, convenient operation. And the cutting is simultaneously performed through the M cutter bodies 222, so that the working efficiency is improved.

The position of the dividing line 101 of different products 100 is different, and the dividing line 101 can be corresponding to the cutter body 222 by rotating the carrier plate 12 to different positions. The extension of the respective cutter bodies 222 is controlled according to the number and position of the dividing lines 101. The third predetermined position is an initial position for cutting the product 100, and the initial position may be different for different products.

Optionally, after step S4, the method further includes:

s5: controlling the carrier plate 12 to rotate to a second preset position;

s6: controlling the cutting unit 2 to move to a fourth preset position along the second direction;

s7: the cutter switch 23 controls the cutter bodies 222 of the N cutter assemblies 22 to extend out;

s8: the cutting unit 2 is controlled to move the cut product 100 in the second direction.

The division of the division lines 101 of different angles of different or identical products 100 can be achieved. Specifically, the number of the M cutter assemblies 22 in the step S4 and the number of the N cutter assemblies 22 in the step S7 may be the same or different, and there may be the same cutter assembly 22 or different cutter assemblies 22, and the setting is performed according to the actual cutting requirement, which is not limited. The third preset position and the fourth preset position may be the same position or different positions.

The present embodiment is exemplified by manual operation and the product 100 in fig. 1.

The product 100 comprises a set of three transverse parting lines 101 and a set of two vertical parting lines 101, the two sets of parting lines 101 forming an angle of 90 °. Three sets of cutter assemblies 22 are mounted on the tool holder 21, the one-way valve 231 controls the cutter assembly 22 located in the middle, and the cutting edge 2221 faces the limit plate 16.

Initially, the cutter body 222 is in a retracted state. Firstly, pushing the cutting unit 2 to abut against a limiting plate 16, namely an original point position, then manually placing the product 100 on the carrier plate 12, adjusting the carrier plate 12 to be located at a first preset position, separating the first extrusion plate 18 from the one-way valve 231 to enable the first air path to be in a normally closed state, enabling the second air path to be in a normally open state, and controlling the cutter body 222 on the middle air cylinder 221 to be in a retraction state by the one-way valve 231; pushing the cutting unit 2 to a third preset position, and toggling the manual valve 232 to enable the cutter bodies 222 of the cutter assemblies 22 positioned at the two sides to extend downwards; the cutting unit 2 is pushed to cut towards the limiting plate 16 along the second direction, and cutting along the two vertical dividing lines 101 is achieved.

After cutting is completed, the manual valve 232 controls the cylinder 221 to reset, the cutting unit 2 is pushed to abut against the limit plate 16 again, the switch cover 1522 is opened at the moment, the knob of the switch body 151 is rotated, the support plate 12 is driven to rotate by the rotary driving piece 14 for 90 degrees, namely, the support plate is located at a second preset position, the first extrusion plate 18 extrudes the one-way valve 231, so that the first air path is changed into a normally open state, the second air path is changed into a normally closed state, the one-way valve 231 is in a conduction state, and the cylinder 221 located in the middle is directly controlled by the manual valve 232; the cutting unit 2 is pushed to a fourth preset position, the manual valve 232 is toggled, and the cutter bodies 222 of the three cutter assemblies 22 extend downwards; the cutting unit 2 is pushed to cut towards the limiting plate 16 along the second direction, so that cutting along three transverse parting lines 101 is realized; then, the reset manual valve 232 resets the cutter body 222 upward, pushing the cutting unit 2 to abut against the stopper plate 16.

Finally, taking down the cut product; and when the cutting is continued, the operation steps are circulated, and the description is omitted.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a cut supplementary tool of membrane which characterized in that includes:

the tray carrying unit (1) comprises a support (11) and a carrier plate (12) rotatably connected to the support (11), wherein the carrier plate (12) can rotate to a preset position, and the carrier plate (12) is used for fixing a product (100);

the cutting unit (2) comprises a cutter frame (21), a plurality of cutter assemblies (22) arranged on the cutter frame (21) and a cutter switch (23), wherein the cutter switch (23) can control a cutter body (222) of each cutter assembly (22) to stretch and retract along the direction towards the carrier plate (12), the cutter assemblies (22) are arranged along the first direction, the positions of the cutter bodies (222) correspond to the dividing lines (101) on the products (100), and the cutting unit (2) can move along the second direction to cut the products (100);

a guide assembly (3), along which the cutting unit (2) moves.

2. The auxiliary film cutting jig according to claim 1, wherein the cutter assembly (22) comprises a cylinder (221) and the cutter body (222) connected to an output end of the cylinder (221), and the cutter switch (23) comprises:

a one-way valve (231), the one-way valve (231) being connected to a portion of the cylinder (221) of the cutter assembly (22);

a manual valve (232), wherein the manual valve (232) is respectively connected with the one-way valve (231) and the cylinder (221) of the other part of the cutter assembly (22).

3. The auxiliary jig for cutting the film according to claim 2, wherein the one-way valve (231) comprises a first air path and a second air path, when the carrier plate (12) is located at a first preset position, the first air path is in a normally open state, the second air path is in a normally closed state, and the cutter body (222) on the cylinder (221) is in a retracted state; when the support plate (12) is located at a second preset position, the first air path is in a normally closed state, the second air path is in a normally open state, and the air cylinder (221) and the manual valve (232) are in a communicated state.

4. The auxiliary film cutting jig according to claim 1, characterized in that a limiting plate (16) is arranged on the support (11), and the cutting unit (2) can abut against the limiting plate (16).

5. The auxiliary film cutting jig according to claim 4, wherein the limiting plate (16) is provided with an extending plate (161) along the second direction, and the dividing line (101) can be parallel to the extending plate (161).

6. The auxiliary film cutting jig according to claim 5, wherein a protective cover (25) is arranged on the tool rest (21), the bottom of the protective cover (25) is spaced from the disc carrying unit (1) and the product (100) on the disc carrying unit (1), an avoiding hole (251) is formed in the protective cover (25), and the protruding plate (161) can penetrate through the avoiding hole (251).

7. The auxiliary film cutting jig according to claim 1, wherein a suction cup (13) is connected to the carrier plate (12), and the suction cup (13) can absorb the product (100).

8. The auxiliary jig for cutting the film according to claim 7, wherein an avoiding groove (131) is formed on the suction cup (13), and the avoiding groove (131) corresponds to the dividing line (101).

9. The auxiliary jig for cutting film according to claim 1, wherein the carrier plate unit (1) further comprises a rotary driving member (14) fixed on the bracket (11), and the carrier plate (12) is connected to an output end of the rotary driving member (14).

10. The auxiliary film cutting jig of claim 9, wherein the disc carrying unit (1) further comprises a switch assembly (15), the switch assembly (15) comprises a switch body (151) and a protective assembly (152) covering the switch body (151), the switch body (151) is fixed on the tool holder (21), and the switch body (151) is electrically connected to the rotary driving member (14);

the protection component (152) includes fixed plate (1521), switch cover (1522), stopper (1523) and kicking block (1524), fixed plate (1521) are fixed in on knife rest (21), switch cover (1522) rotate connect in fixed plate (1521), stopper (1523) are fixed in on fixed plate (1521), kicking block (1524) are fixed in on support (11), switch cover (1522) support can rotate so that switch body (151) expose when on kicking block (1524), and can support when opening switch cover (1522) and lean on stopper (1523).

11. A film cutting process using the auxiliary film cutting jig of any one of claims 1 to 10, comprising the steps of:

s1: a product (100) is fixed on the carrier plate (12), and the carrier plate (12) is controlled to rotate to a first preset position;

s2, controlling the cutting unit (2) to move to a third preset position along the second direction, and controlling the cutter body (222) of the M cutter assemblies (22) to extend by the cutter switch (23);

s3, controlling the cutting unit (2) to move along the second direction to cut the product (100);

s4, the cutter switch (23) controls the cutter bodies (222) of the M cutter assemblies (22) to retract.

12. The film cutting process according to claim 11, wherein after the cutter switch (23) controls the cutter bodies (222) of the M cutter assemblies (22) to retract, the method further comprises:

s5, controlling the carrier plate (12) to rotate to a second preset position;

s6: controlling the cutting unit (2) to move to a fourth preset position along the second direction;

s7, the cutter switch (23) controls the cutter bodies (222) of the N cutter assemblies (22) to extend out;

and S8, controlling the cutting unit (2) to move along the second direction to cut the product (100).