CN220840583U - PI film automatic punching equipment - Google Patents

Abstract

The utility model discloses PI film automatic punching equipment, which comprises a workbench surface and a tensioning mechanism; work table top: the middle part of the upper end surface of the working table is provided with a supporting arm, the middle part of the upper end surface of the supporting arm is provided with an electro-hydraulic push rod, the end surface of a telescopic end of the electro-hydraulic push rod is fixedly connected with an upper die, the middle part of the upper end surface of the working table is provided with a lower die, and the positions of the upper die and the lower die are vertically corresponding; wherein: the single chip microcomputer is arranged in the middle of the front end face of the supporting arm; this automatic punching equipment of PI membrane, through adding telescopic link and spring cooperation, make the PI membrane spool receive the moment opposite with the rotation direction all the time, make the PI membrane tensioning all the time in die-cut processing, still use the roll to push down and guarantee the PI membrane and keep lower roughness error in die-cut processing, effectively solved the problem that the roughness deviation of PI membrane is too big to cause die-cut back work piece to warp because of die-cut in-process, added garbage collection axle and storage box moreover, realized the automatic die-cut processing of PI membrane.

Description

PI film automatic punching equipment

Technical Field

The utility model relates to the technical field of PI film processing, in particular to PI film automatic punching equipment.

Background

Polyimide film, PI film for short, is the best film type insulating material of the world performance, by pyromellitic dianhydride and diamine group diphenyl ether through condensation polymerization in the strong polar solvent and tape casting and film forming and imidizing, it is yellow transparent, the relative density is 1.39-1.45, polyimide film has excellent high-low temperature resistance, electrical insulation, cohesiveness, radiation resistance, dielectric resistance, can be used for a long time in the temperature range of-269-280 ℃, can reach 400 ℃ high temperature in short time, the vitrification temperature is 280 ℃, 385 ℃ and 500 ℃ above, the tensile strength is 200MPa at 20 ℃, greater than 100MPa at 200 ℃, especially suitable for being used as flexible printed circuit board base material and various high temperature resistant motor electrical appliance insulating materials.

The existing PI film automatic punching equipment generally uses a punching die with a special shape for punching production, and a motor drives a cam to drive a crank rocker to reciprocate up and down at high speed or an electro-hydraulic push rod drives an upper die to realize punching.

There are problems, for example, in the punching process, since PI films are wound in whole rolls during transportation and storage after production, PI films with excessively large deviation in flatness during punching affect the shape after punching, and therefore, we propose an automatic PI film punching apparatus.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides PI film automatic punching equipment which can effectively solve the problems in the background art by adding a telescopic rod and matching with a spring.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an automatic PI film punching device comprises a workbench surface and a tensioning mechanism;

work table top: the middle part of the upper end surface of the working table is provided with a supporting arm, the middle part of the upper end surface of the supporting arm is provided with an electro-hydraulic push rod, the end surface of a telescopic end of the electro-hydraulic push rod is fixedly connected with an upper die, the middle part of the upper end surface of the working table is provided with a lower die, and the positions of the upper die and the lower die are vertically corresponding;

Wherein: the electric hydraulic support arm is characterized by further comprising a singlechip, wherein the singlechip is arranged in the middle of the front end surface of the support arm, the input end of the singlechip is electrically connected with an external power supply, and the input end of the electric hydraulic push rod is electrically connected with the output end of the singlechip;

Tensioning mechanism: the PI film automatic punching equipment is arranged on the upper end face of the working table, the PI film reel is always stressed by the torque opposite to the rotation direction through the cooperation of the added telescopic rod and the spring, the PI film is always tensioned during punching, the lower flatness error of the PI film is ensured during punching by using the rolling roller to press down, the problem that workpieces are deformed after punching due to overlarge flatness deviation of the PI film during punching is effectively solved, and the waste collection shaft and the storage box are added, so that the PI film automatic punching is realized.

Further, tensioning mechanism includes erection support one, pivot, telescopic link one and spring one, erection support one bilateral symmetry sets up in the front and back both sides of table surface's up end respectively, be connected with the pivot through the bearing rotation between two erection supports one that the front and back position corresponds, telescopic link one bilateral symmetry sets up in table surface's up end left side, the expansion end terminal surface of two telescopic links one all with the lateral surface sliding connection of pivot, spring one sets up respectively between telescopic link one's stiff end terminal surface and telescopic end face, spring one fixed cover locates telescopic link one's expansion end lateral surface, make PI film spool receive the moment opposite with the rotation direction all the time, make PI film tensioning all the time in die-cut processing.

Further, the tensioning mechanism further comprises a motor, the motor is arranged on the front side face of the first mounting support on the left front side, the end face of an output shaft of the motor is fixedly connected with the front end face of the front rotating shaft and the rear rotating shaft, the input end of the motor is electrically connected with the output end of the single chip microcomputer, and a driving element of the tensioning mechanism is arranged on the front side face of the first mounting support.

Further, straining device still includes erection support two, thrust bearing, rolls roller, telescopic link two and spring two, erection support two bilateral symmetry sets up respectively in the front and back both sides of table surface's up end, and the equal sliding connection in the middle part of the up end of erection support two has telescopic link two, and telescopic link two's flexible end fixedly connected with thrust bearing is provided with spring two between telescopic link two's stiff end terminal surface and the telescopic end terminal surface, and the lateral surface of telescopic link two's flexible end is located to spring two cover, and two erection supports two that the front and back position corresponds all are connected with the rolls roller through thrust bearing rotation, use rolls roller pushing down to guarantee that PI membrane keeps lower roughness error in die-cut processing.

Further, tensioning mechanism still includes installing support and adjusting bolt, the installing support sets up in the up end of each installing support second respectively, and equal threaded connection in the middle part of the up end of installing support has adjusting bolt, and adjusting bolt installs with the flexible end cooperation of the vertical adjacent telescopic link second, adjustment mechanism.

Further, still include the slide rail, the slide rail bilateral symmetry sets up in table surface's lower terminal surface middle part, and sliding connection has the storage case between two slide rails, and the preceding terminal surface fixedly connected with handle of storage case is convenient for collect the PI membrane work piece after die-cut is accomplished.

Further, the die-cutting machine also comprises a supporting frame, wherein the supporting frames are respectively arranged on the left side and the right side of the lower end face of the working table, and the influence of external force on the working table in the die-cutting process is reduced.

Compared with the prior art, the utility model has the beneficial effects that: this automatic punching equipment of PI membrane has following benefit:

The staff will wait to die-cut the PI film spool fixed mounting of processing in the pivot on the right side, then fix the one end of PI film in the pivot on the left side, then set up die-cut speed through the singlechip, singlechip control electrohydraulic push rod and motor operation, electrohydraulic push rod's flexible end drives the upper die and pushes down with certain pressure, cooperation bed die cuts the PI film, die-cut PI film that completes falls into the storage box of below, simultaneously the motor starts, the output shaft rotation of motor drives the pivot rotation on the left side, the pivot rotation on the left side drives the pivot rotation on the right side through the PI film, under the restriction of telescopic link one and spring one, can receive the moment opposite to the rotation direction all the time when the pivot on the right side rotates, thereby make the PI film tensioning all the time in die-cut course of processing, the staff accessible swivel bolt adjusts the stiff end position of telescopic link two, thereby adjust the length of spring two, and then adjust the lower pressure of roller, make the PI film remain lower roughness error in die-cut processing all the time, this PI film automatic die-cut equipment, through adding telescopic link and spring cooperation, make the output shaft rotation of motor drive left spindle, the pivot rotation, the rotation of the pivot on the right side is driven through the PI film rotates, the pivot rotation on the right side is rotated through the rotation of the PI film, the rotation opposite to the rotation direction is all the rotation, can receive the rotation opposite to rotation direction, the rotation direction is guaranteed, the rotation is opposite to the rotation is guaranteed to the front in the work has finished, the automatic leveling error is guaranteed, the front is guaranteed and has finished in the automatic, the quality has finished when the film has reached the automatic die-cutting film has better a high level, has better a high quality in the die-cut, and has a high quality

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the tensioning mechanism of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model A;

Fig. 4 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: 1 working table surface, 2 supporting frames, 3 supporting arms, 4 singlechips, 5 electrohydraulic push rods, 6 upper dies, 7 lower dies, 8 tensioning mechanisms, 801 mounting support I, 802 rotating shafts, 803 telescopic rods I, 804 springs I, 805 motors, 806 mounting support II, 807 thrust bearings, 808 rolling rollers, 809 telescopic rods II, 810 springs II, 811 mounting brackets, 812 adjusting bolts, 9 sliding rails, 10 storage boxes and 11 handles.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: an automatic PI film punching device comprises a workbench surface 1 and a tensioning mechanism 8;

Table top 1: the middle part of the upper end surface of the workbench is provided with a support arm 3, the middle part of the upper end surface of the support arm 3 is provided with an electro-hydraulic push rod 5, the end surface of a telescopic end of the electro-hydraulic push rod 5 is fixedly connected with an upper die 6, the middle part of the upper end surface of the workbench surface 1 is provided with a lower die 7, the positions of the upper die 6 and the lower die 7 are vertically corresponding, the workbench further comprises slide rails 9, the slide rails 9 are symmetrically arranged at the middle part of the lower end surface of the workbench surface 1 left and right, a storage box 10 is slidingly connected between the two slide rails 9, the front end surface of the storage box 10 is fixedly connected with a handle 11, the workbench further comprises a support frame 2, and the support frame 2 is respectively arranged at the left side and the right side of the lower end surface of the workbench surface 1;

Wherein: the electric hydraulic support arm further comprises a singlechip 4, wherein the singlechip 4 is arranged in the middle of the front end surface of the support arm 3, the input end of the singlechip 4 is electrically connected with an external power supply, and the input end of the electric hydraulic push rod 5 is electrically connected with the output end of the singlechip 4;

Tensioning mechanism 8: the tensioning mechanism 8 is arranged on the upper end face of the working table top 1, the tensioning mechanism 8 comprises a first mounting support 801, a rotating shaft 802, a first telescopic rod 803 and a first spring 804, the first mounting support 801 is respectively and bilaterally symmetrically arranged on the front side and the rear side of the upper end face of the working table top 1, the rotating shaft 802 is rotationally connected between the first mounting support 801 corresponding to the front and the rear positions through bearings, the first telescopic rod 803 is arranged on the left side of the upper end face of the working table top 1 in a front-rear symmetrical manner, the end faces of the telescopic ends of the first telescopic rod 803 are both in sliding connection with the outer side faces of the rotating shaft 802, the first spring 804 is respectively arranged between the end faces of the fixed ends and the telescopic end faces of the first telescopic rod 803, the first spring 804 is fixedly sleeved on the outer side faces of the telescopic ends of the first telescopic rod 803, the tensioning mechanism 8 also comprises a motor 805, the motor 805 is arranged on the front side face of the first mounting support 801 on the left front side, the end faces of the motor 805 are fixedly connected with the front end faces of the rotating shafts 802 adjacent to the front ends, the input end of the motor 805 is electrically connected with the output end of the singlechip 4, the tensioning mechanism 8 further comprises a second mounting support 806, a thrust bearing 807, a roller 808, a second telescopic rod 809 and a second spring 810, the second mounting support 806 is respectively and bilaterally symmetrically arranged on the front and rear sides of the upper end face of the worktable 1, the middle part of the upper end face of the second mounting support 806 is respectively and slidably connected with the second telescopic rod 809, the telescopic end of the second telescopic rod 809 is fixedly connected with the thrust bearing 807, the second spring 810 is arranged between the fixed end face and the telescopic end face of the second telescopic rod 809, the second spring 810 is sleeved on the outer side face of the telescopic end of the second telescopic rod 809, the roller 808 is rotationally connected with the two mounting supports 806 corresponding to the front and rear positions through the thrust bearing 807, the tensioning mechanism 8 further comprises a mounting bracket 811 and an adjusting bolt 812, the mounting bracket 811 is respectively arranged on the upper end face of each second mounting support 806, the middle part of the upper end surface of the mounting bracket 811 is connected with an adjusting bolt 812 in a threaded manner, the adjusting bolt 812 is matched with the telescopic end of a vertically adjacent telescopic rod II 809, the telescopic rod II 809 is provided with a sleeve, the telescopic end of the telescopic rod II is provided with a sliding column, the sliding column slides in the sliding column, the bottom end of the adjusting bolt 812 is enabled to extend into the sleeve of the telescopic rod II 809 through the spiral downward movement degree of the adjusting bolt 812 to limit the telescopic degree of the sliding column, a motor 805 is started, an output shaft of the motor 805 rotates to drive a left rotating shaft 802 to rotate, the left rotating shaft 802 rotates to drive a right rotating shaft 802 to rotate through a PI film, under the limitation of the telescopic rod I803 and a spring I804, the right rotating shaft 802 always receives torque opposite to the rotation direction, so that the PI film is always tensioned in the punching process, meanwhile, a worker can adjust the fixed end position of the second telescopic rod 809 by rotating the bolt 812, so that the length of the second spring 810 is adjusted, the pressing force of the rolling roller 808 is adjusted, the PI film is always kept in a lower flatness error in punching, the PI film automatic punching equipment is matched with the spring by adding the telescopic rod, a P I film reel is always stressed by torque opposite to the rotating direction, the PI film is always tensioned in punching, the rolling roller is used for pressing down to ensure that the PI film is kept in a lower flatness error in punching, the problem that workpieces are deformed after punching due to overlarge flatness deviation of the PI film in the punching process is effectively solved, and a waste collection shaft and a storage box are added, so that the PI film is automatically punched.

The working principle of the PI film automatic punching equipment provided by the utility model is as follows: the staff will wait to die-cut PI film spool fixed mounting on the pivot 802 on the right side, then fix the one end of PI film on left pivot 802, then set up die-cut speed through singlechip 4, singlechip 4 control electrohydraulic push rod 5 and motor 805 operation, electrohydraulic push rod 5 operation, the flexible end of electrohydraulic push rod 5 drives mould 6 and pushes down with certain pressure, cooperation bed die 7 is die-cut with the PI film, the PI film that die-cut was accomplished falls into the storage case 10 of below, simultaneously motor 805 starts, the output shaft rotation of motor 805 drives left pivot 802 rotation, left pivot 802 rotates through PI film drive right pivot 802 rotation, can receive the moment opposite with the rotation direction all the time under the restriction of telescopic link one 803 and spring one 804 during the pivot 802 rotation, thereby make the PI film tensioning all the time in die-cut course, the staff accessible swivel bolt 812 adjusts the stiff end position of telescopic link two 809, thereby adjust the lower pressure of roller 808, make the PI film remain lower roughness all the time in die-cut processing, this automatic error that makes the PI film fall into in the storage case 10 of below, this die-cut film and the roll is added the roll that the degree of roll is difficult to the realization, the automatic deformation is realized in the die-cut film has been realized through the film and the roll die-cut has been reset to the film has been realized, and the automatic error is realized after the die-cut film is added in the die-cut has been compared with the roll die-cut error, and the roll has been realized the die-cut error has been realized.

Notably, the singlechip 4 disclosed in the above embodiment may be an STC89C52 singlechip, the electro-hydraulic push rod 5 may be DYTP-300 electro-hydraulic push rods, the motor 805 may be a NEMA24 stepper motor, and the singlechip 4 controls the electro-hydraulic push rod 5 and the motor 805 to work by methods commonly used in the prior art

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. Automatic punching equipment of PI membrane, its characterized in that: comprises a working table surface (1) and a tensioning mechanism (8);

Working table (1): the middle part of the upper end surface of the workbench is provided with a supporting arm (3), the middle part of the upper end surface of the supporting arm (3) is provided with an electro-hydraulic push rod (5), the end surface of the telescopic end of the electro-hydraulic push rod (5) is fixedly connected with an upper die (6), the middle part of the upper end surface of the workbench (1) is provided with a lower die (7), and the positions of the upper die (6) and the lower die (7) are vertically corresponding;

Wherein: the electric hydraulic support is characterized by further comprising a singlechip (4), wherein the singlechip (4) is arranged in the middle of the front end face of the support arm (3), the input end of the singlechip (4) is electrically connected with an external power supply, and the input end of the electro-hydraulic push rod (5) is electrically connected with the output end of the singlechip (4);

Tensioning mechanism (8): the device is arranged on the upper end face of the working table surface (1).

2. The PI film automatic punching apparatus according to claim 1, wherein: the tensioning mechanism (8) comprises a first mounting support (801), a rotating shaft (802), a first telescopic rod (803) and a first spring (804), wherein the first mounting support (801) is respectively and symmetrically arranged on the front side and the rear side of the upper end face of the workbench surface (1), the rotating shaft (802) is rotationally connected between the first mounting support (801) corresponding to the front and the rear positions through bearings, the first telescopic rod (803) is arranged on the left side of the upper end face of the workbench surface (1) in a front-rear symmetrical mode, the end faces of the telescopic ends of the first telescopic rods (803) are all in sliding connection with the outer side face of the rotating shaft (802), the first spring (804) is respectively arranged between the end faces of the fixed ends of the first telescopic rods (803) and the telescopic end faces, and the first spring (804) is fixedly sleeved on the outer side face of the telescopic ends of the first telescopic rods (803).

3. The PI film automatic punching apparatus according to claim 2, wherein: the tensioning mechanism (8) further comprises a motor (805), the motor (805) is arranged on the front side face of the first mounting support (801) on the left front side, the end face of an output shaft of the motor (805) is fixedly connected with the front end face of the rotating shaft (802) adjacent to the front side and the rear side, and the input end of the motor (805) is electrically connected with the output end of the single chip microcomputer (4).

4. The PI film automatic punching apparatus according to claim 1, wherein: the tensioning mechanism (8) further comprises a second mounting support (806), a thrust bearing (807), a roller (808), a second telescopic rod (809) and a second spring (810), wherein the second mounting support (806) is symmetrically arranged on the front side and the rear side of the upper end face of the workbench surface (1) respectively, the middle part of the upper end face of the second mounting support (806) is slidably connected with the second telescopic rod (809), the thrust bearing (807) is fixedly connected with the telescopic end of the second telescopic rod (809), the second spring (810) is arranged between the end face of the fixed end of the second telescopic rod (809) and the end face of the telescopic end, the second spring (810) is sleeved on the outer side face of the telescopic end of the second telescopic rod (809), and the second mounting support (806) corresponding to the front and rear positions is rotationally connected with the roller (808) through the thrust bearing (807).

5. The PI film automatic punching apparatus according to claim 4, wherein: the tensioning mechanism (8) further comprises mounting brackets (811) and adjusting bolts (812), the mounting brackets (811) are respectively arranged on the upper end faces of the second mounting supports (806), the adjusting bolts (812) are connected to the middle portions of the upper end faces of the mounting brackets (811) in a threaded mode, and the adjusting bolts (812) are mounted in a matched mode with the telescopic ends of the vertically adjacent second telescopic rods (809).

6. The PI film automatic punching apparatus according to claim 1, wherein: the automatic feeding device is characterized by further comprising sliding rails (9), wherein the sliding rails (9) are symmetrically arranged in the middle of the lower end face of the working table top (1) left and right, a storage box (10) is connected between the two sliding rails (9) in a sliding mode, and a handle (11) is fixedly connected to the front end face of the storage box (10).

7. The PI film automatic punching apparatus according to claim 1, wherein: the automatic lifting device is characterized by further comprising a supporting frame (2), wherein the supporting frames (2) are respectively arranged on the left side and the right side of the lower end face of the working table top (1).