WO2023082601A1

WO2023082601A1 - Sheet-type auxiliary material stripping device and stripping method

Info

Publication number: WO2023082601A1
Application number: PCT/CN2022/095112
Authority: WO
Inventors: 周荣虎
Original assignee: 捷邦精密科技股份有限公司
Priority date: 2021-11-13
Filing date: 2022-05-26
Publication date: 2023-05-19

Abstract

The present invention relates to a sheet-type auxiliary material stripping device and stripping method. The stripping device comprises a sheet-material raw-material bearing mechanism, a bottom film traction mechanism and a sheet-material bearing mechanism, wherein the sheet-material raw-material bearing mechanism comprises a raw-material bearing plate, a material guide through groove for positioning a sheet-material raw material is formed in an upper surface of the raw-material bearing plate, and a vacuum suction hole is formed at the tail end of the material guide through groove; the bottom film traction mechanism is arranged below the tail end of the raw-material bearing plate and comprises a driving pressing wheel assembly and a driven pressing wheel assembly, and a driven pressing wheel is driven by a driven pressing wheel air cylinder to adjust the distance between the driven pressing wheel and a driving pressing wheel; and the sheet-material bearing mechanism is arranged behind the raw-material bearing plate and the bottom film traction mechanism. By using the stripping device and method of the present invention, auxiliary materials are stripped without coming in contact with the device, such that the deformation of soft auxiliary materials and the detachment of a release film on the auxiliary materials caused by contact are avoided, thereby being suitable for sheet material stripping, and also being suitable for coil material stripping; and a modular design mode is used, such that the manufacturing cost is about 60% of the average price of existing feeders.

Description

Sheet-type auxiliary material stripping device and stripping method

Technical field:

The invention relates to the technical field of automation equipment, in particular to a sheet-type auxiliary material stripping device and a stripping method.

Background technique:

A large number of die-cut composite components are used in electronic components in electronic products such as mobile phones and tablet computers. When they are used, they often need to be peeled off by a feeder device. Therefore, most composite die-cut components are made into rolls of tapes to facilitate the use of feeders. Device stripped. However, in the intermediate production process of some products, some auxiliary materials are sheet-like, and multiple sheet materials (sheet-like auxiliary materials) are combined together on a non-coil base film material with limited length. Before use, the sheet materials need to be removed from the If the bottom film is peeled off, it is impossible to use the feeder device to automatically peel off the material. Often only manual peeling can be used. On the one hand, the efficiency is reduced. Cause sheet material pollution or deformation and scrap.

Invention content:

The purpose of the present invention is to overcome the above disadvantages of the prior art, and provide a stripping device and method for stripping auxiliary materials.

The technical solution adopted in the present invention is: a sheet-type auxiliary material stripping device, the stripping device includes a sheet material carrying mechanism, a bottom film traction mechanism and a sheet carrying mechanism, wherein,

The sheet material carrying mechanism includes a first installation base plate, side plates installed on both sides of the first installation base plate, a guide rail slider assembly arranged on the end surface of the side plate, and a raw material bearing plate installed on the guide rail slider assembly; The upper surface of the raw material carrying plate is provided with a material guide channel for positioning the sheet material, and a vacuum adsorption hole is provided at the end of the material guide channel;

The bottom film traction mechanism is arranged below the end of the raw material bearing plate, and it includes a second installation base plate, a driving pressure roller assembly and a driven pressure roller assembly installed on the second installation base plate, and the driving pressure roller assembly includes 2. The motor installation vertical plate on the installation base plate, the motor installed on the motor installation vertical plate and the driving pressure roller arranged at the output end of the motor; the driven pressure roller assembly includes a driven pressure roller cylinder installed on the second installation base plate 1. The driven pressure roller frame plate and the driven pressure roller installed on the output part of the driven pressure roller cylinder, the rotation axis of the driven pressure roller is parallel to the rotation axis of the driving pressure roller, and the driven pressure roller The wheel is driven by the driven pressure roller cylinder to adjust the distance between the driven pressure roller and the driving pressure roller; on the second installation base plate, there is a discharge valve opposite to the interval between the driving pressure roller and the driven pressure roller. mouth;

The sheet material carrying mechanism is arranged behind the raw material carrying plate and the bottom film traction mechanism, which includes a sheet material carrying plate and a supporting plate support, and the sheet material carrying plate is connected with the end edge of the raw material carrying plate to form a bottom film The bottom film peeling gap passing downwards, the sheet material receiving part of the sheet material carrying plate is flush with the surface of the material guide channel.

Further, a refueling cylinder is installed on the first installation base plate and below the raw material carrying plate, and the output part of the refueling cylinder is connected to the connecting block connected to the lower surface of the raw material carrying plate, that is, through the refueling cylinder and the connecting block Drive the raw material carrying plate to move along the guide rail slider assembly.

Furthermore, the material guide channel is formed by two material guide baffles installed on the raw material carrying plate, and the ends of the two material guiding baffles extend beyond the edge of the raw material carrying plate and are located above the upper surface of the sheet material carrying plate .

A pre-tightening spring is also connected to the driven pressure roller frame plate, and the other end of the early warning spring is connected to the column arranged on the first installation base plate.

A recess is provided at the sheet material receiving part on the sheet material carrying plate, and anti-stick cotton is arranged in the recess, and a through hole for the optical fiber sensor to pass through is also provided at the sheet material receiving part, and the main body of the optical fiber sensor Part is installed on the lower surface of the sheet material bearing plate.

On the vertical plate where the motor is installed, a refueling block is installed above the driving pressure roller, and a first discharge guide block is installed on the lower side of the driving pressure roller; on the output part of the driven pressure roller cylinder, the driven pressure roller A second discharge guide block is installed on the lower side of the wheel; the first discharge guide block is opposite to the second discharge guide block, and a discharge guide gap is formed between the two.

The raw material carrying plate is provided with more than two sets of guide grooves, and correspondingly, more than two groups of bottom film traction mechanisms are arranged at the rear and lower part of the raw material carrying plate; There are more than two chip receiving parts.

The ends of the two guide channels are arranged in a staggered manner, and correspondingly, the positions of the sheet material bearing parts are also arranged in a staggered manner, so that the peeling operation can be performed on two kinds of sheet material materials with different specifications at the same time.

The vacuum adsorption cavity is composed of a vacuum adsorption tank and a cover plate arranged on the lower surface of the raw material bearing plate, and the cover plate is connected with a vacuum port to connect a vacuum pipe to form a negative pressure adsorption environment.

The present invention also provides a method for peeling sheet-type auxiliary materials, which uses the above-mentioned sheet-type auxiliary material peeling device, and the method includes the following steps:

Step a, feeding, first move the material carrying plate 14 to a position away from the sheet material carrying plate 31 through the refueling cylinder 4, and place the workpiece to be stripped on the material guiding groove 141;

Step b, import the bottom film at the front end of the sheet raw material into the gap between the driving pinch roller 223 and the driven pinch wheel 233 of the bottom film traction mechanism 2, (and enter the first discharge guide block and the second discharge guide block in the discharge guide gap between them);

Step c. Move the raw material carrying plate 14 to a position close to the sheet material carrying plate 31, so that the peeling gap of the bottom film is slightly larger than the thickness of the bottom film, and then start the external vacuuming device to vacuum and absorb the vacuum adsorption hole at the end of the material guide channel The bottom film that holds the raw material of the sheet;

Step d. Drive the driven pressure roller to move to the active pressure roller through the driven pressure roller cylinder to clamp the bottom film, and then start the motor to drive the active pressure roller to rotate to generate traction to pull the bottom film, so that the attached sheet materials on the bottom film The bottom film is peeled off from the bottom film at the peeling gap and moves to the sheet material carrier plate with the movement of the bottom film until it is completely separated from the bottom film;

Step e, the auxiliary sheet material moved to the sheet material carrying plate triggers the driving motor of the active pressure wheel to stop rotating through the photoelectric sensor, and the stripping is suspended. After the sheet material on the sheet material carrying plate is transferred, the photoelectric sensor triggers the motor again. The active pressure wheel rotates and strips the material again;

In this way, all the auxiliary materials on a sheet raw material are completely peeled off, and then steps a-e are repeated.

The beneficial effects of the present invention are reflected in:

1. The active pressure wheel of the bottom film traction mechanism of stripping adopts photoelectric sensor and motor control to ensure the accuracy of stripping, and the accuracy can be ensured when adding automation devices in the future;

2. In the stripping device and method of the present invention, the stripping material is a non-contact stripping material between the auxiliary material and the device, and the bottom film of the auxiliary material is a contact unit, so as to avoid the deformation of the soft auxiliary material and the peeling off of the release film on the auxiliary material due to contact.

3. The stripping device of the present invention is not only suitable for sheet stripping, but also for coil stripping;

4. The material stripping device of the present invention adopts a modular design method. The sheet material carrying mechanism, the bottom film traction mechanism and the sheet carrying mechanism can be assembled independently and then assembled. The installation is simple and the debugging is convenient. The manufacturing cost is about the average of the current Feida 60% of the price.

Description of drawings:

Fig. 1, Fig. 2 are three-dimensional structure schematic diagrams of different angles of the present invention;

Fig. 3 is a schematic diagram of the main view plane structure of the present invention;

Fig. 4, Fig. 5 are the structural representations of sheet stock material carrying mechanism among the present invention;

Fig. 6 is a schematic structural view of the bottom film traction mechanism in the present invention;

Fig. 7 and Fig. 8 are structural schematic diagrams of the sheet material carrying mechanism in the present invention.

Detailed ways:

As shown in Figures 1-8, what the present invention describes is a sheet-type auxiliary material stripping device, which includes a sheet material carrying mechanism 1, a bottom film traction mechanism 2, and a sheet carrying mechanism 3, wherein,

The sheet material carrying mechanism 1 includes a first installation base plate 11, side plates 12 installed on both sides of the first installation base plate 11, a guide rail slider assembly 13 arranged on the upper end surface of the side plate 12, and a guide rail slider assembly 13 installed on the side plate 12. The raw material carrying plate 14 on the upper surface; the upper surface of the raw material carrying plate 14 is provided with a guide channel 141 for positioning the raw material of the sheet material, and a vacuum adsorption hole 142 is provided at the end of the material guide channel 141. A vacuum adsorption cavity 143 communicating with the vacuum adsorption hole 142 is also formed on the surface; to form a negative pressure adsorption environment by connecting a vacuum pumping pipeline;

The bottom film traction mechanism 2 is arranged below the end of the raw material carrying plate 14, and it includes a second mounting base plate 21, a driving pressing wheel assembly 22 and a driven pressing wheel assembly 23 installed on the second mounting base plate 21, the active pressing The wheel assembly 22 includes a motor installation vertical plate 221 installed on the second installation base plate 21, a motor 222 installed on the motor installation vertical plate 221, and a driving pressure wheel 223 arranged at the output end of the motor; the driven pressure wheel assembly 23 includes The driven pinch cylinder 231 installed on the second installation base plate 21, the driven pinch plate 232 arranged on the output part of the driven pinch cylinder, and the driven pinch plate 233 installed on the driven pinch plate 232 , the rotating shaft of the driven pressing wheel 233 is parallel to the rotating shaft of the driving pressing wheel 223, and the driven pressing wheel 233 adjusts the distance between the driven pressing wheel 233 and the driving pressing wheel 223 under the driving of the driven pressing wheel cylinder 231; In the example, the axes of the driving pressure roller 233 and the driven pressure roller 223 are located on the same horizontal plane, that is, they are flush; The discharge port 211; the surface of the driving pressure wheel 223 and the driven pressure wheel 233 are provided with concave and convex tooth patterns, so as to better generate traction on the bottom film;

Described sheet stock carrying mechanism 3 is arranged on the rear of raw material carrying plate 14 and base film traction mechanism 2, and it comprises sheet stock carrying plate 31 and carrying plate support 32, and described sheet stock carrying plate 31 and described raw material carrying plate 14 end The edges are connected to form a bottom film peeling gap 310 for the bottom film to pass downward, and the sheet material receiving part 311 of the sheet material carrying plate 31 is flush with the surface of the material guide channel 141;

Further, as shown in FIG. 4-FIG. 5, a refueling cylinder 4 is installed on the first installation base plate 11 and below the raw material carrying plate 14, and the output part of the refueling cylinder 4 is connected to the lower surface of the raw material carrying plate 14. The connected connecting block 41 is connected, that is, the raw material carrying plate 14 is driven to move along the guide rail slider assembly 13 through the refueling cylinder 4 and the connecting block 41; when refueling is required, the refilling cylinder 4 drives the raw material carrying plate 14 away from the sheet material at the rear The carrying plate 31 makes the distance between the edge of the raw material carrying plate 14 and the sheet material carrying plate 31 larger, and there is sufficient space, so that it is more convenient to import the bottom film of the new sheet material to the follower of the bottom film traction mechanism 2 below. Between the pressure roller 233 and the active pressure roller 223, after being introduced in place, the raw material carrier plate 14 is moved closer to the sheet material carrier plate 31, leaving enough the base film peeling gap 310.

Further, the material guide channel 141 is formed by two material guide baffles 15 installed on the material carrying plate 14, and the ends of the two material guide baffles 15 extend beyond the edge of the material carrying plate 14 and are located Above the upper surface of the plate 31; two material guide baffles 15 are used to form a material guide channel 141, the width of the material guide channel 141 can be adjusted according to the size of the sheet material, so as to adapt to different specifications of the sheet material for stripping operations ;

As shown in FIG. 6 , the driven pinch plate 232 is also connected with a pretension spring 234 , and the other end of the warning spring 234 is connected with the column 235 arranged on the first installation base plate 11 ; A backward pulling force is produced on the driven pinch roller frame plate 232. When the driven pinch roller cylinder 231 is deflated, the driven pinch roller frame plate 232 quickly resets under the action of the pretension spring 234, so that the driven pinch roller 233 and the driving pinch wheel The distance between the pressure rollers 223 is widened to eliminate the traction force and stop the traction of the bottom film, that is, stop the peeling action, and wait for the sheet-like auxiliary materials peeled off last time to transfer away before performing the next traction and peeling; the pre-tension spring 234 can buffer the driven pressure roller on the one hand The collision between the driven pressure roller 233 and the driving pressure roller 223 when the cylinder 231 pushes the driven pressure roller 233 forward can assist the quick reset of the driven pressure roller 233 on the other hand;

A recess is arranged at the sheet material receiving portion 311 on the sheet material carrying plate 31, and anti-stick cotton 312 is arranged in the concave portion. The material sticks to the sheet material carrying plate 31 to facilitate the transfer of the sheet material; a through hole for the optical fiber sensor 313 to pass through is also provided at the sheet material receiving portion 311, and the main part of the optical fiber sensor 313 is installed on the sheet material carrying plate 31 The lower surface; use the optical fiber sensor 313 to sense that the sheet material carrying part 311 has the sheet material peeled off, then send a signal to the transfer device to transfer the sheet material away, and stop the action of the bottom film traction mechanism 2 at the same time, and suspend the stripping; sheet material After the transfer is gone, start the next stripping action.

On the vertical plate 221 where the motor is installed, a material change block 224 is installed above the driving pressure roller 223, and a first discharge guide block 225 is installed on the lower side of the driving pressure roller 223; A second discharge guide block 236 is installed on the lower side of the driven pressure wheel 233 on the component; the first discharge guide block 225 is set opposite to the second discharge guide block 236 and a discharge guide gap is formed between the two; The function of the refueling block 224 is to facilitate the bottom film of the raw material to enter the gap between the driving pressure roller 223 and the driven pressure roller 233 during refueling, and the function of the two discharge guide blocks is to form a discharge guide gap, which is convenient The peeled bottom film is guided to be discharged from the discharge port 211 of the second installation bottom plate 21 below, so as to prevent the bottom film from being attached to the driving pressure roller 223 or the driven pressure roller 233 to cause winding and shutdown;

The raw material carrying plate 14 is provided with more than two groups of guide through grooves 141, and correspondingly, more than two groups of bottom film traction mechanisms 2 are set at the rear and lower part of the raw material carrying plate 14; Correspondingly, more than two sheet material receiving parts 311 are provided on the board; two groups are installed in this embodiment.

The ends of the two guide channels 141 are arranged in a dislocation manner, and correspondingly, the position of the sheet material bearing part 311 is also arranged in a dislocation manner, so that the stripping operation can be performed on two kinds of sheet materials with different specifications at the same time.

The vacuum adsorption cavity 143 is composed of a vacuum adsorption tank and a cover plate 144 arranged on the lower surface of the raw material carrying plate 14, and the cover plate 144 is connected with a vacuum port to form a negative pressure adsorption environment by connecting a vacuum pipe.

The stripping method of the present invention is as follows:

Step b. Lead the bottom film at the front end of the sheet material into the gap between the driving pressure roller 223 and the driven pressure roller 233 of the bottom film traction mechanism 2, and preferably enter the first discharge guide block 225 and the second discharge guide block 225. In the discharge guide gap between the guide blocks 236, prevent the pinch wheel from winding the bottom film;

Step d, the driven pressure roller 233 is driven by the driven pressure roller cylinder 231 to move to the driving pressure roller 223 to clamp the bottom film, and then the motor 222 is started to drive the driving pressure roller 223 to rotate to generate traction and pull the bottom film, so that the bottom film is attached The sheet auxiliary material is peeled off from the bottom film at the bottom film peeling gap 310 and moves to the sheet material carrying plate 31 with the movement of the bottom film until it is completely separated from the bottom film;

Step e, move the sheet material auxiliary material on the sheet material carrying plate 31 to trigger the driving motor 222 of the active pressure wheel 223 to stop rotating through the photoelectric sensor 313, suspend the stripping, after the sheet material on the sheet material carrying plate is transferred, the photoelectric sensor 313 triggers the motor 222 again to drive the active pressure wheel 223 to rotate, and strips the material again;

In such a cycle, all the auxiliary materials on one sheet material are completely peeled off, and then steps a-e are repeated, and another sheet material is used for peeling off.

The beneficial effects of the present invention are reflected in:

1. The active pressure wheel 223 of the base film traction mechanism 2 for stripping adopts photoelectric sensors and motor control to ensure the accuracy of stripping, and the accuracy can be ensured when adding automation devices in the future;

It can be understood that, the above embodiments are only exemplary embodiments adopted for illustrating the principle of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also regarded as the protection scope of the present invention.

Claims

A sheet-type auxiliary material stripping device, characterized in that the stripping device includes a sheet material carrying mechanism, a bottom film traction mechanism, and a sheet carrying mechanism, wherein,

The sheet material carrying mechanism includes a first installation base plate, side plates installed on both sides of the first installation base plate, a guide rail slider assembly arranged on the end surface of the side plate, and a raw material bearing plate installed on the guide rail slider assembly; The upper surface of the raw material carrying plate is provided with a material guide channel for positioning the sheet material, and a vacuum adsorption hole is provided at the end of the material guide channel;

The bottom film traction mechanism is arranged below the end of the raw material bearing plate, and it includes a second installation base plate, a driving pressure roller assembly and a driven pressure roller assembly installed on the second installation base plate, and the driving pressure roller assembly includes 2. The motor installation vertical plate on the installation base plate, the motor installed on the motor installation vertical plate and the driving pressure roller arranged at the output end of the motor; the driven pressure roller assembly includes a driven pressure roller cylinder installed on the second installation base plate 1. The driven pressure roller frame plate and the driven pressure roller installed on the output part of the driven pressure roller cylinder, the rotation axis of the driven pressure roller is parallel to the rotation axis of the driving pressure roller, and the driven pressure roller The wheel is driven by the driven pressure roller cylinder to adjust the distance between the driven pressure roller and the driving pressure roller; on the second installation base plate, there is a discharge valve opposite to the interval between the driving pressure roller and the driven pressure roller. mouth;

The sheet material carrying mechanism is arranged behind the raw material carrying plate and the bottom film traction mechanism, which includes a sheet material carrying plate and a supporting plate support, and the sheet material carrying plate is connected with the end edge of the raw material carrying plate to form a bottom film The bottom film peeling gap passing downwards, the sheet material receiving part of the sheet material carrying plate is flush with the surface of the material guide channel.
According to claim 1, the sheet-type auxiliary material stripping device is characterized in that: a refueling cylinder is installed on the first installation base plate and below the raw material carrying plate, and the output part of the refueling cylinder is connected to the lower surface of the raw material carrying plate. The connected connecting block is connected, that is, the raw material carrying plate is driven to move along the guide rail slider assembly through the refueling cylinder and the connecting block.
The sheet-type auxiliary material stripping device according to claim 1, characterized in that: the guide channel is formed by two guide baffles installed on the raw material bearing plate, and the ends of the two guide baffles extend out The edge of the raw material carrying plate is located above the upper surface of the sheet material carrying plate.
According to claim 1, the sheet-type auxiliary material stripping device is characterized in that: the driven pressure roller frame plate is also connected with a pre-tightening spring, and the other end of the warning spring is connected with the column arranged on the first installation base plate .
The peeling device for sheet-type auxiliary materials according to claim 1, characterized in that: a concave portion is provided at the sheet material receiving portion on the sheet material carrying plate, and anti-stick cotton is arranged in the concave portion; There is also a through hole for the optical fiber sensor to pass through, and the main part of the optical fiber sensor is installed on the lower surface of the sheet material bearing plate.
The sheet-type auxiliary material stripping device according to claim 1, characterized in that: on the motor installation vertical plate, a refueling block is installed above the driving pressure roller, and a first A discharge guide block; a second discharge guide block is installed on the output part of the driven pressure roller cylinder and under the driven pressure roller; the first discharge guide block is set opposite to the second discharge guide block and the two A discharge guide gap is formed between them.
The sheet-type auxiliary material stripping device according to claim 1, characterized in that: the raw material carrying plate is provided with more than two sets of guide channels, and correspondingly, at the rear and lower part of the raw material carrying plate is provided with more than two sets of The bottom film traction mechanism; the sheet material carrying plate of the sheet material carrying mechanism is correspondingly provided with more than two sheet material receiving parts.
The sheet-type auxiliary material stripping device according to claim 7, characterized in that: the ends of the two guide channels are arranged in a dislocation manner, and correspondingly, the positions of the sheet material bearing parts are also arranged in a dislocation manner.
The sheet-type auxiliary material stripping device according to claim 1, characterized in that: a vacuum adsorption cavity communicated with the vacuum adsorption hole is also formed at the lower surface of the raw material carrying plate, and the vacuum adsorption cavity is arranged on the raw material carrying The vacuum suction groove on the lower surface of the plate and the cover plate are composed, and the cover plate is connected with a vacuum port.
A sheet-type auxiliary material peeling method, characterized in that: the method adopts the sheet-type auxiliary material peeling device described in any one of claims 1-9, and the method comprises the following steps:

Step a, loading, first move the raw material carrying plate to a position away from the sheet material carrying plate through the refueling cylinder, and place the workpiece to be stripped on the material guide slot;

Step b, introducing the bottom film at the front end of the sheet material into the gap between the driving roller and the driven roller of the bottom film traction mechanism;

Step c. Move the raw material carrying plate to a position close to the sheet material carrying plate, so that the peeling gap of the bottom film is slightly larger than the thickness of the bottom film, and then start the external vacuum equipment to vacuum the vacuum adsorption hole at the end of the guide channel to absorb the film. The bottom film of raw materials;

Step d. Drive the driven pressure roller to move to the active pressure roller through the driven pressure roller cylinder to clamp the bottom film, and then start the motor to drive the active pressure roller to rotate to generate traction to pull the bottom film, so that the attached sheet materials on the bottom film The bottom film is peeled off from the bottom film at the peeling gap and moves to the sheet material carrier plate with the movement of the bottom film until it is completely separated from the bottom film;

Step e, the auxiliary sheet material moved to the sheet material carrying plate triggers the driving motor of the active pressure wheel to stop rotating through the photoelectric sensor, and the stripping is suspended. After the sheet material on the sheet material carrying plate is transferred, the photoelectric sensor triggers the motor again. The active pressure wheel rotates, and the material is stripped again; in this way, all the auxiliary materials on a sheet raw material are completely stripped, and then steps a-e are repeated.