CN217350129U

CN217350129U - PP membrane slitting device

Info

Publication number: CN217350129U
Application number: CN202220458954.7U
Authority: CN
Inventors: 李志海; 曹新臣; 张裕伟
Original assignee: Hui Zhou Shi Xing Shun He Electronics Co ltd
Current assignee: Hui Zhou Shi Xing Shun He Electronics Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-09-02
Anticipated expiration: 2032-03-03

Abstract

The application relates to the technical field of circuit board production equipment, in particular to a PP film slitting device, which comprises a cutting mechanism arranged above a PP film roll in a lifting manner, a limiting mechanism fixedly arranged on one side of the cutting mechanism and a driving mechanism in transmission connection with the cutting mechanism; the driving mechanism is used for driving the cutting mechanism to reciprocate parallel to the axial direction of the PP film roll, the limiting mechanism can be tightly attached to the outer circumferential surface of the PP film roll, the driving mechanism is used for driving the cutting mechanism to reciprocate parallel to the axial direction of the PP film roll, and the cutting mechanism is arranged through lifting to cut the PP film roll, so that the effect of multi-size strip cutting of the PP film roll in the unreeling process is realized, the action of rewinding the PP film roll after unreeling and cutting is reduced, the labor input is reduced, and the production efficiency is improved; the cutting mechanism is positioned through the limiting mechanism, the problem that the PP film roll is damaged due to the fact that the cutting mechanism excessively cuts the PP film roll is avoided, and production cost is further reduced.

Description

PP membrane slitting device

Technical Field

The application relates to the technical field of circuit board production equipment, in particular to PP film slitting device.

Background

The PP sheet is one of main materials in PCB production, mainly comprises resin and reinforced materials, at present, the price of PCB manufacturing raw materials is continuously increased, the manufacturing cost is increased, enterprises are producing the PCB board with the increased makeup size for improving the production efficiency and the material utilization rate, and the sizes of the main raw materials of the PCB board-covered copper plate and the PP sheet are basically consistent, so that the PP sheet can be subjected to mixed cutting operation in the width direction in the actual application process, the consistency of the warp/weft direction of the PP sheet and the copper-covered copper plate is ensured, and the PCB board finished product has good mechanical performance. The traditional processing mode is as follows: the staff unreels the PP of whole book, utilizes the slitting sword on the board according to the size of needs, divides into two with the PP breadth direction. One of the two is conveyed and cut into sheets, and the other one cannot be matched with the conveying direction in size, and needs to be thrown to the rear of the machine or wound by a winding mechanism on the machine; and adjusting the cutting size in the conveying direction after the original half cutting is finished, and discharging for the second time for cutting. The mode has high labor intensity and low efficiency, is not beneficial to the automation of industrial production, and the coiled PP sheet mother roll is easy to damage or pollute, thereby causing material scrapping.

Consequently, improve current PP membrane cutting device, make it can realize that "PP membrane" mother rolls up and carry out automation division strip to the PP membrane and cut unreeling the width of in-process as required, reduce the input of manpower and materials and avoid the waste of material.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a PP film slitting device, which comprises a cutting mechanism arranged above a PP film roll in a lifting manner, a limiting mechanism fixedly arranged on one side of the cutting mechanism, and a driving mechanism in transmission connection with the cutting mechanism; the driving mechanism is used for driving the cutting mechanism to move in a reciprocating mode in an axial direction parallel to the PP film roll, and the limiting mechanism can be tightly attached to the outer circumferential surface of the PP film roll.

Preferably, the cutting mechanism comprises a motor, a lifting driver and a blade which is perpendicular to a shaft core of the PP film roll; the blade with the output transmission of motor is connected, the output of lift driver with motor fixed connection.

Preferably, the limiting mechanism comprises a limiting wheel which is arranged on the motor and opposite to the other end of the blade.

Preferably, the cutter box is arranged at the bottom of the lifting driver and used for accommodating the motor and the blades.

Preferably, the driving mechanism comprises a reciprocating driver of which the output end is fixedly connected with the lifting driver; the reciprocating driver is positioned above one end of the PP film roll.

Preferably, one side of the reciprocating driver is provided with a guide rail parallel to the PP film roll, and the lifting driver is slidably arranged on the guide rail.

Preferably, the blade further comprises a dust hood which is covered on the blade; the top of the dust hood is provided with a dust removal opening

From the above, the following beneficial effects can be obtained by applying the method provided by the present application:

1. the driving mechanism is adopted to drive the cutting mechanism to reciprocate parallel to the axial direction of the PP film roll, and then the cutting mechanism is arranged in a lifting mode to cut the PP film roll, so that the effect of multi-size strip cutting of the PP film roll in the unreeling process is achieved, the action of rewinding the PP film roll after unreeling and cutting is reduced, the investment of manpower and material resources is reduced, and the production efficiency is improved;

2. the cutting mechanism is positioned through the limiting mechanism, the problem that the PP film roll is damaged due to the fact that the cutting mechanism excessively cuts the PP film roll is avoided, and production cost is further reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present application or the prior art will be briefly described below. It should be apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained by those skilled in the art without inventive exercise.

Fig. 1 is a schematic perspective view of a PP film slitting device according to an embodiment of the present application;

fig. 2 is a schematic view of a cutting mechanism of a PP film slitting device according to an embodiment of the present application.

The labels in the figure are:

1. winding a PP film; 2. a cutting mechanism; 3. a limiting mechanism; 4. a drive mechanism; 21. a motor; 22. a lift drive; 23. a blade; 31. a limiting wheel; 24. a knife box; 25. a dust hood; 251. a dust removal port; 41. a reciprocating driver; 42. a guide rail.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Examples

The in-process that "PP membrane" was used can be according to the size cutting of PCB board, and in the current production, the cutting process of "PP membrane" adopts the manual work to unreel the "PP membrane" mother that puts in full order the book, utilizes the slitting sword on the board according to the size of needs, divides into two with PP breadth direction. One of the two is conveyed and cut into sheets, and the other one cannot be matched with the conveying direction in size, so that the other one needs to be thrown to the rear of the machine or wound by a winding mechanism on the machine; the cutting size of the conveying direction is adjusted after the original half cutting is finished, the secondary discharging is performed for cutting, the manual labor intensity of the mode is large, the processes are multiple, the efficiency is low, the automation of industrial production is not facilitated, and meanwhile, the 'PP sheet' mother roll which is wound again is easy to damage or pollute, so that the material is scrapped.

In order to solve the above technical problem, the present embodiment provides a PP film slitting device, as shown in fig. 1-2, which includes a cutting mechanism 2 disposed above a PP film roll 1 in a liftable manner, a limiting mechanism 3 fixedly disposed on one side of the cutting mechanism 2, and a driving mechanism 4 in transmission connection with the cutting mechanism 2; the driving mechanism 4 is used for driving the cutting mechanism 2 to reciprocate parallel to the axial direction of the PP film roll 1, and the limiting mechanism 3 can be tightly attached to the outer circumferential surface of the PP film roll 1; the cutting mechanism 2 is driven by the driving mechanism 4 to move on the PP film roll 1 in parallel to the axial direction of the PP film roll 1, so that the cutting mechanism 2 moves according to the required size and is fixed above the PP film roll 1, meanwhile, the cutting device moves towards the PP film roll 1 to cut a first PP film layer on the PP film roll 1, the aim of cutting the PP film with the specified width in the unreeling process of the PP film roll 1 is achieved, the unused PP film is continuously reserved on the PP film roll 1, the effect of unreeling the PP film roll 1 in fixed-width and strip-dividing manner is achieved, the phenomenon that the PP film roll 1 is unreeled and cut and then is reeled again is avoided, the manpower and material resource investment is reduced, and the production efficiency is improved; meanwhile, the limiting mechanism 3 is tightly attached to the outer circumferential surface of the PP film roll 1 in the cutting process of the cutting assembly, the cutting depth of the cutting mechanism 2 is limited, so that the cutting mechanism 2 only cuts the outermost PP film all the time, the aim of preventing the cutting mechanism 2 from excessively cutting the PP film roll 1 is fulfilled, the effect of avoiding the PP film roll 1 from being damaged and wasted is achieved, the PP film which is not cut and unreeled does not need to be adjusted in conveying direction, secondary emptying can be carried out according to size requirements again and is cut through the cutting mechanism 2, and the production efficiency is further improved while the production cost is saved.

Specifically, in order to smoothly cut the PP film roll 1, the cutting mechanism 2 includes a motor 21, a lifting driver 22, and a blade 23, the blade 23 is arranged perpendicular to the axis of the PP film roll 1, so that the cut PP film maintains the same width, in order to drive the blade 23 to cut, the motor 21 is arranged, so that the output end of the motor 21 is in transmission connection with one side of the blade 23, and the blade 23 is driven to rotate by the motor 21, so that the cutting function of the blade 23 can be realized; in other embodiments, for the convenience of processing, the lifting driver 22 can adopt an air cylinder or a screw rod motor, and the function of driving the blade 23 to lift and cut can be realized as well.

Further, in order to realize that the driving mechanism 4 drives the cutting mechanism 2 to be parallel to the axial reciprocating movement of the PP film roll 1 to cut the PP films with different widths, the driving mechanism 4 comprises a reciprocating driver 41, the output end of the reciprocating driver 41 is fixedly connected with the lifting driver 22, the lifting driver 22 is driven to reciprocate by the reciprocating driver 41, and further, the driving mechanism 4 drives the cutting mechanism 2 to be parallel to the axial reciprocating movement of the PP film roll 1, in order to facilitate installation, the reciprocating driver 41 is erected above one end of the PP film roll 1, the lifting driver 22 is driven to move at one end of the PP film roll 1 by the reciprocating driver 41, the requirement of the PP film roll 1 for the strip cutting with different widths is met, and in order to facilitate processing, the reciprocating driver 41 can be realized by an air cylinder or a screw motor.

Further, in order to improve the stability of the reciprocating motion of the lifting driver 22, a guide rail 42 parallel to the PP film roll 1 is disposed on one side of the reciprocating driver 41, and the lifting driver 22 is slidably disposed on the guide rail 42, so that the stability of the reciprocating motion of the lifting driver 22 driven by the reciprocating driver 41 is further improved by the guiding function of the guide rail 42, and the problems of dimensional error and material waste caused by deviation of the cutting assembly in cutting the PP film roll 1 in strips are avoided.

Further, in order to smoothly ensure that the blade 23 does not excessively cut the PP film roll 1, the limiting mechanism 3 includes a limiting wheel 31 disposed on the motor 21, in order to prevent the limiting wheel 31 from obstructing the cutting of the blade 23, the limiting wheel 31 is disposed at the other end of the motor 21 opposite to the blade 23, when the lifting driver 22 drives the motor 21 to descend, so that the blade 23 cuts the PP film roll 1, and meanwhile, the limiting wheel 31 descends along with the motor 21 and contacts with the outer circumferential surface of the PP film roll 1, so as to achieve the purpose of preventing the blade 23 from excessively cutting the PP film roll 1 due to the excessive descending of the motor 21; meanwhile, the limiting wheel 31 is driven by the PP film roll 1 to unwind to rotate, so that the friction resistance of the PP film is reduced, and the aim of avoiding the damage of the PP film is fulfilled.

It can be understood that, in order to further enable the blade 23 to smoothly cut the outermost PP film on the PP film roll 1, the height difference between the bottom of the limiting wheel 31 facing the PP film roll 1 and the cutting edge of the blade 23 is equal to the thickness of one PP film, so that the blade 23 can only sequentially cut along the depth of one PP film when cutting, and further, the effect of avoiding the blade 23 from over-cutting is achieved.

It can be understood that, when the in-process that the PP membrane book 1 unreeled in the cutting, the radius that the PP membrane book 1 unreeled one end can reduce because of unreeling gradually, and lift driver 22 also synchronous drive motor 21 descends simultaneously, makes the smooth cutting PP membrane of blade 23 roll 1, in order to keep the limiting displacement of spacing wheel 31, makes spacing wheel 31 be used in the one end that the PP membrane book 1 unreeled, at the in-process that the blade 23 descends, the surface of the one end that the PP membrane book 1 was unreeled is hugged closely all the time to spacing wheel 31.

Further, in order to prevent the piece pollution PP membrane that the cutting in-process produced, the upper shield of motor 21 is equipped with dust excluding hood 25, dust removal mouth 251 has been seted up at the top of dust excluding hood 25 simultaneously, find time and discharge the piece to dust excluding hood 25 through dust removal mouth 251, the piece that the blade 23 cutting that makes the one end of dust excluding hood 25 produced adsorbs, reach clear purpose, for processing convenience and the interior negative pressure environment of further guarantee dust excluding hood 25, make dust excluding hood 25 fix on motor 21, cover simultaneously and establish on spacing wheel 31 and motor 21, and reach certain pleasing to the eye effect.

Further, in order to prevent the blade 23 from being damaged and ensure the safety of personnel, a knife box 24 is arranged at the bottom of the lifting driver 22 and used for accommodating the motor 21 and the blade 23, when the blade 23 is cut, the lifting driver 22 drives the motor 21 to descend to enable the blade 23 to extend out of the knife box 24, and when the blade 23 is cut, the lifting driver 22 drives the motor 21 to ascend, and the blade 23 returns to the knife box 24 again.

It can be understood that, in order to realize the unreeling of the PP film roll 1, a transmission mechanism is arranged at one end of the PP film roll 1, so that the PP film roll 1 achieves the purpose of rotary unreeling.

In conclusion, according to the scheme of the utility model, the driving mechanism 4 is adopted to drive the cutting mechanism 2 to reciprocate parallel to the axial direction of the PP film roll 1, and then the lifting setting cutting mechanism 2 is used to cut the PP film roll 1, so that the effect of multi-size slitting and cutting of the PP film roll 1 in the unreeling process is realized, the action of rewinding the PP film roll 1 after unreeling and cutting is reduced, the manpower input is reduced, and the production efficiency is improved; carry on spacingly to cutting mechanism 2 through stop gear 3, avoid cutting mechanism 2 to carry out the excessive cutting to PP membrane book 1 and cause the problem that PP membrane book 1 damaged, further reduced manufacturing cost.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The utility model provides a PP membrane slitting device for cut PP membrane book, its characterized in that: the device comprises a cutting mechanism arranged above a PP film roll in a lifting manner, a limiting mechanism fixedly arranged on one side of the cutting mechanism, and a driving mechanism in transmission connection with the cutting mechanism; the driving mechanism is used for driving the cutting mechanism to move in a reciprocating mode in an axial direction parallel to the PP film roll, and the limiting mechanism can be tightly attached to the outer circumferential surface of the PP film roll.

2. The PP film slitting device according to claim 1, wherein: the cutting mechanism comprises a motor, a lifting driver and a blade which is perpendicular to a shaft core of the PP film roll; the blade with the output transmission of motor is connected, the output of lift driver with motor fixed connection.

3. The PP film slitting device according to claim 2, wherein: the limiting mechanism comprises a limiting wheel which is arranged on the motor and opposite to the other end of the blade.

4. The PP film slitting device according to claim 2, wherein: the cutter box is arranged at the bottom of the lifting driver and used for accommodating the motor and the blades.

5. The PP film slitting device according to claim 2, wherein: the driving mechanism comprises a reciprocating driver of which the output end is fixedly connected with the lifting driver; the reciprocating driver is erected above one end of the PP film roll.

6. The PP film slitting device of claim 5, wherein: one side of the reciprocating driver is provided with a guide rail parallel to the PP film roll, and the lifting driver is arranged on the guide rail in a sliding mode.

7. The PP film slitting device according to claim 2, wherein: the motor is characterized by also comprising a dust hood which is covered on the motor; and a dust removal opening is formed in the top of the dust removal cover.