Cutter adjusting method for board protective film cutting-up equipment

Abstract

The invention discloses a tool setting method for plate protective film cutting-up equipment, which comprises the following steps of: driving a tool sleeve and a tool to move to a position above a tool setting device, driving the tool sleeve to descend and enabling the bottom of the tool sleeve to be propped against a sensor of the tool setting device, recording the position of the tool sleeve at the moment as a tool sleeve zeroing position, and setting the tool sleeve zeroing position according to the tool sleeve zeroing position; in the process, the cutter descends along with the cutter sleeve, then the cutter sleeve is driven to ascend, the cutter sleeve is kept static, the cutter is driven to descend relative to the cutter sleeve, and after the cutter descends and abuts against the sensor of the adjusting device, the system records the position where the cutter is located at the moment as the cutter zero setting position. And then the tool is driven to ascend relative to the tool sleeve, and the tool sleeve zeroing position and the tool zeroing position are the same in position or the distance between the tool sleeve zeroing position and the tool zeroing position is a preset fixed numerical value. By the adoption of the tool setting device, tool setting can be conducted automatically, the adjusting efficiency and the production efficiency are improved, and the uniformity of adjustment is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of film cutting equipment, and in particular to a knife adjustment method for plate protective film cutting equipment. Background Art

[0002] In the manufacture and application of sheet surface protective film cutting equipment, the height adjustment of the knife sleeve and the tool is a crucial link. In the existing sheet surface protective film cutting equipment, the knife sleeve can drive the tool to move, the bottom of the knife sleeve can press the protective film, and the tool extends from the bottom of the knife sleeve to cut the protective film. Therefore, the relative distance between the knife sleeve and the tool not only determines the accuracy and effect of the film cutting, but also directly affects the operation efficiency and production quality of the equipment. Existing sheet surface protective film cutting equipment usually uses tools such as micrometers to adjust the distance between the knife sleeve and the tool. Although the micrometer can theoretically provide higher measurement accuracy, in actual operation, using a micrometer to adjust the tool height takes a lot of time, and the operation process is cumbersome and complicated. Workers need to measure and adjust repeatedly to ensure that the tool reaches the preset height, which not only increases the workload and reduces production efficiency, but also easily leads to inaccurate adjustment and inconsistent height due to differences in workers' operating level and experience. This not only increases the maintenance cost of the equipment, but also reduces the overall efficiency of the production line. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a knife adjustment method for plate protective film cutting equipment, which can automatically adjust the knife, improve the adjustment efficiency and production efficiency, and ensure the uniformity of adjustment.

[0004] In order to solve the above technical problems, the present invention provides a knife adjustment method for a sheet protective film cutting device, which is used to adjust the knife sleeve and the knife of the sheet protective film cutting device, and comprises the following steps:

[0005] Drive the tool sleeve and the tool to move above the tool adjusting device;

[0006] Adjust the tool sleeve: drive the tool sleeve down and reach the tool sleeve zeroing position, and then drive the tool sleeve up;

[0007] Adjusting the tool: the tool holder remains stationary, driving the tool to descend relative to the tool holder and reach the tool zeroing position, and then driving the tool to ascend relative to the tool holder;

[0008] The tool sleeve zeroing position and the tool zeroing position are at the same position or the distance between them is a preset fixed value.

[0009] As an improvement to the above scheme, the following steps are also included:

[0010] Move the tool sleeve and the tool to above the sensor of the tool adjusting device so that the centers of the tool sleeve and the tool are aligned with the center of the sensor;

[0011] Adjusting the knife sleeve: driving the knife sleeve to descend and making the bottom of the knife sleeve contact with the sensor of the knife adjusting device. During this process, the tool follows the knife sleeve to descend.

[0012] As an improvement of the above solution, the step of adjusting the knife sleeve further includes:

[0013] When the tool housing descends and the bottom of the tool housing abuts against the sensor of the tool adjustment device, the position of the tool housing at this time is recorded as the tool housing zeroing position, and then the tool housing is driven to rise a preset distance.

[0014] As an improvement of the above solution, the step of adjusting the tool includes:

[0015] When the tool descends and contacts the sensor of the adjusting device, the system records the position of the tool at this time as the tool zeroing position, and then drives the tool to rise a preset distance.

[0016] As an improvement of the above solution, the position of the tool sleeve zeroing position is the same as the position of the tool zeroing position, and the tool sleeve preset distance is equal to the tool preset distance.

[0017] As an improvement of the above solution, the preset distance of the tool sleeve and the preset distance of the tool are in the range of 0.5mm-2.5mm.

[0018] As an improvement to the above scheme, the following steps are also included:

[0019] In the process of cutting the sheet material protective film, the knife sleeve and the knife can be adjusted multiple times. Before adjusting the knife sleeve each time, the knife is driven to rise to a limit position relative to the knife sleeve.

[0020] As an improvement to the above scheme, the following steps are also included:

[0021] When adjusting the tool, the tool is driven to descend relative to the tool sleeve and reach the tool zeroing position, and the distance the tool descends during this process is recorded as the tool descending distance, and then the tool is driven to rise by the tool preset distance;

[0022] In this process, if the difference between the descending distance of the tool and the preset distance of the tool is greater than a preset detection value, it is determined that the tool is worn out; or

[0023] During multiple adjustments, if the descending distance of the tool increases successively, it is determined that the tool is worn out.

[0024] As an improvement of the above solution, when it is determined that the tool is worn out, if the difference between the descending distance of the tool and the preset distance of the tool is greater than the preset wear length, the subsequent cutting operation is stopped and a prompt is given to replace the tool.

[0025] As an improvement of the above solution, after the tool is adjusted, the tool sleeve and the tool are driven to move to the protective film cutting area, the protective film thickness is input, the system generates a preset cutting distance based on the protective film thickness, and then drives the tool to descend the preset cutting distance relative to the tool sleeve.

[0026] The implementation of the present invention has the following beneficial effects:

[0027] The knife adjustment method for sheet protective film cutting equipment of the present invention first automatically adjusts the position of the knife sleeve, drives the knife sleeve to descend and reach the knife sleeve zeroing position, and then drives the knife sleeve to rise a certain distance, which is an absolute distance with the distance of the knife sleeve zeroing position, and then keeps the knife sleeve stationary, drives the tool to descend relative to the knife sleeve and reach the knife sleeve zeroing position, and then drives the tool to rise a certain distance relative to the knife sleeve, which is an absolute distance with the distance of the tool zeroing position, and the positions of the knife sleeve zeroing position and the tool zeroing position are the same or the distance between the two is a preset distance, that is, the distance between the knife sleeve zeroing position and the tool zeroing position is 0 or other preset fixed values, so that the absolute distance of the knife sleeve movement and the absolute distance of the tool movement can be known, and the relative distance of the tip of the tool relative to the bottom of the knife sleeve can be obtained by subtracting the distances, and the tip of the tool can be made flush with the bottom of the knife sleeve by controlling the relative distance to be zero, thereby completing the knife adjustment process. This knife adjustment method can be adjusted automatically without human intervention. It has high efficiency and precision and can ensure the uniformity of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the state in which the knife sleeve is driven to descend according to the present invention;

[0029] Figure 2 It is a schematic diagram of the state of the knife sleeve of the present invention reaching the knife sleeve zeroing position;

[0030] Figure 3 It is a schematic diagram of the state in which the knife sleeve is driven to rise according to the present invention;

[0031] Figure 4 This is a schematic diagram of the state of driving the tool to descend according to the present invention;

[0032] Figure 5 Schematic diagram of the state of the tool of the present invention reaching the tool zeroing position;

[0033] Figure 6 This is a schematic diagram of the state in which the tool is driven to rise according to the present invention;

[0034] Figure 7 The present invention is a schematic flow chart of a knife adjustment method for plate protective film cutting equipment. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. It is hereby stated that the directional terms such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the present invention are only based on the accompanying drawings of the present invention, and are not specific limitations of the present invention.

[0036] See also Figure 1-Figure 7 The embodiment of the present invention discloses a knife adjustment method for a plate protective film cutting device, which is used to adjust a knife sleeve 1 and a knife 2 of the plate protective film cutting device, and comprises the following steps:

[0037] S01, driving the tool sleeve 1 and the tool 2 to move above the tool adjustment device 3;

[0038] S02, adjusting the tool sleeve 1: driving the tool sleeve 1 to descend and reach the tool sleeve zeroing position a, and then driving the tool sleeve 1 to ascend;

[0039] S03, adjusting the tool 2: the tool sleeve 1 remains stationary, the tool 2 is driven to descend relative to the tool sleeve 1 and reach the tool zeroing position b, and then the tool 2 is driven to ascend relative to the tool sleeve 1;

[0040] The tool sleeve zeroing position a and the tool zeroing position b are at the same position or the distance between them is a preset fixed value.

[0041] It should be noted that the tool 2 can be raised, lowered and retracted relative to the tool sleeve 1, and the tip of the tool 2 can protrude from the bottom of the tool sleeve 1. The bottom of the tool sleeve 1 is used to press the protective film in the cutting area, and the protruding tip of the tool 2 can cut the protective film. Therefore, the length of the tool 2 protruding from the tool sleeve 1 needs to be accurate, and it needs to be precisely adjusted before cutting the protective film. Otherwise, the protruding length may be too long and scratch the plate, or the protruding length may be too short and fail to completely cut the protective film.

[0042] See also Figure 1-Figure 3 When adjusting, it is necessary to adjust the tool sleeve 1 first. After the tool sleeve 1 reaches the tool sleeve zeroing position a, the tool sleeve 1 enters the absolute coordinate system of the tool sleeve zeroing position a from the relative coordinate system. Thus, the position of the tool sleeve 1 is confirmed, and then it is driven to rise. The distance of its rising position relative to the tool sleeve zeroing position a can be confirmed by the stroke of the Z-axis motor that drives the tool sleeve 1, and the coordinates of the tool sleeve 1 in the absolute coordinate system can be obtained.

[0043] See also Figure 4-Figure 6 After completing the adjustment of the tool sleeve 1, adjust the tool 2. First, lower the tool 2 to the tool zeroing position b. In this way, the tool 2 enters the absolute coordinate system of the tool zeroing position b from the relative coordinate system. The position of the tool 2 is confirmed, and then it is driven to rise. The distance of its rising position relative to the tool zeroing position b can be confirmed by the stroke of the tool adjustment motor that drives the tool 2, and the coordinates of the tool 2 in the absolute coordinate system can be obtained.

[0044] The tool sleeve zeroing position a and the tool zeroing position b are the same position or different positions of the tool adjusting device 3. When they are located at the same position, the positions of the tool sleeve zeroing position a and the tool zeroing position b are the same, and the distance between the two is zero. When they are located at different positions, the relative positions of the tool sleeve zeroing position a and the tool zeroing position b are preset fixed values, which can be default values ​​and can be directly known. Therefore, after completing the adjustment of the tool 2 and the tool sleeve 1, the coordinates of the tool 2 and the tool sleeve 1 in the absolute coordinate system can be known, so as to obtain the accurate relative distance between the tip of the tool 2 and the bottom of the tool sleeve 1, so as to accurately control the distance that the tip of the tool 2 protrudes from the bottom of the tool sleeve 1.

[0045] The beneficial effects of the embodiments of the present invention are as follows:

[0046] The knife adjustment method for sheet protective film cutting equipment according to the embodiment of the present invention first automatically adjusts the position of the knife sleeve 1, drives the knife sleeve 1 to descend and reach the knife sleeve zeroing position a, and then drives the knife sleeve 1 to rise a certain distance, which is an absolute distance from the knife sleeve zeroing position a, and then keeps the knife sleeve 1 stationary, drives the tool 2 to descend relative to the knife sleeve 1 and reach the knife sleeve zeroing position a, and then drives the tool 2 to rise a certain distance relative to the knife sleeve 1, which is an absolute distance from the tool zeroing position b, and the positions of the knife sleeve zeroing position a and the tool zeroing position b are the same or the distance between the two is a preset distance, that is, the distance between the knife sleeve zeroing position a and the tool zeroing position b is 0 or other preset fixed values, so that the absolute distance moved by the knife sleeve 1 and the absolute distance moved by the tool 2 can be known, and the relative distance of the tip of the tool 2 relative to the bottom of the knife sleeve 1 can be obtained by subtracting the distances, and the tip of the tool 2 can be made flush with the bottom of the knife sleeve 1 by controlling the relative distance to be zero, thereby completing the knife adjustment process. This knife adjustment method can be adjusted automatically without human intervention. It has high efficiency and precision and can ensure the uniformity of adjustment.

[0047] The knife adjustment method for the sheet material protective film cutting device also includes the following steps:

[0048] Move the tool sleeve 1 and the tool 2 to above the sensor 31 of the tool adjustment device 3, so that the centers of the tool sleeve 1 and the tool 2 are aligned with the center of the sensor 31;

[0049] Adjusting the knife sleeve 1: driving the knife sleeve 1 to descend and making the bottom of the knife sleeve 1 abut against the sensor 31 of the knife adjusting device 3. During this process, the tool 2 follows the knife sleeve 1 to descend.

[0050] The sensor 31 can feedback a current value or a voltage value according to the pressure it is subjected to. When the current value or the voltage value is greater than or equal to a certain value, it is determined that the bottom of the tool sleeve 1 or the tip of the tool 2 is in contact with the sensor 31, that is, the bottom of the tool sleeve 1 or the tip of the tool 2 reaches the tool sleeve zeroing position a or the tool zeroing position b.

[0051] Furthermore, the step of adjusting the knife sleeve 1 also includes:

[0052] When the knife sleeve 1 descends and the bottom of the knife sleeve 1 abuts against the sensor 31 of the knife adjustment device 3, the position of the knife sleeve 1 at this time is recorded as the knife sleeve zeroing position a, and then the knife sleeve 1 is driven to rise a preset distance.

[0053] The step of adjusting the tool 2 comprises:

[0054] When the tool 2 descends and the tip of the tool 2 abuts against the sensor 31 of the adjusting device, the system records the position of the tool 2 at this time as the tool zeroing position b, and then drives the tool 2 to rise a preset distance.

[0055] The preset distance of the knife sleeve and the preset distance of the tool are preset rising distances, which can respectively return the knife sleeve 1 and the tool 2 to the normal working height and generate their respective absolute coordinates in the absolute coordinate system. When the Z-axis motor controls the movement of the knife sleeve 1 or the tool adjustment motor controls the movement of the tool 2, the absolute position and relative distance of the knife sleeve 1 and the tool 2 can be known, so the position of the knife sleeve 1 and the tool 2 can be repeatedly adjusted during the process of cutting the protective film, and the adjustment result is accurate, which improves the flexibility, accuracy and efficiency of the adjustment.

[0056] In the embodiment of the present invention, the position of the tool sleeve zeroing position a is the same as the position of the tool tool zeroing position b, both of which are located in the central area of ​​the sensor 31, and the tool sleeve preset distance and the tool preset distance are equal, so that after the tool 2 rises, its tip can be flush with the bottom of the tool sleeve 1. The tool sleeve preset distance and the tool preset distance range from 0.5mm to 2.5mm. When the tool sleeve preset distance and the tool preset distance are less than 0.5mm, the distance between the tool sleeve 1 and the tool 2 and the tool adjustment device 3 is too close, which is not conducive to the tool sleeve 1 and the tool 2 returning to the cutting area. When the tool sleeve preset distance and the tool preset distance are greater than 2.5mm, the distance between the tool sleeve 1 and the tool 2 and the tool adjustment device 3 is too far, which will increase the movement time of the tool sleeve 1 and the tool 2 and reduce efficiency.

[0057] Additionally, the following steps are included:

[0058] During the process of cutting the sheet material protective film, the knife sleeve 1 and the knife 2 may be adjusted multiple times. Each time before adjusting the knife sleeve 1, the knife 2 is driven to rise to a limit position relative to the knife sleeve 1.

[0059] Since cutting the protective film may generate some vibration and the tool 2 may be worn, it is necessary to re-zero after multiple cuttings. Before each adjustment, the tool 2 needs to be raised to the limit position, that is, completely stored in the tool sleeve 1, so as to avoid affecting the contact between the tool sleeve 1 and the sensor 31, and to judge the wear of the tool 2 in conjunction with the descending distance of the tool 2.

[0060] Specifically, the first embodiment of determining the wear of the tool 2 includes the following steps:

[0061] When adjusting the tool 2, the tool 2 is driven to descend relative to the tool sleeve 1 and reach the tool zeroing position b, and the distance that the tool 2 descends during this process is recorded as the tool descending distance. Then, the tool 2 is driven to rise the tool preset distance. If the difference between the tool descending distance and the tool preset distance is greater than the preset detection value, it is determined that the tool 2 has been worn out.

[0062] During the adjustment process, since the tool sleeve 1 rises the preset distance of the tool sleeve, the distance between the bottom of the tool sleeve 1 and the sensor 31 is known, and the tool 2 rises into the tool sleeve 1. When the tool 2 does not incur wear, the tip of the tool 2 should be flush with the tool sleeve 1 or slightly recessed in the bottom of the tool sleeve 1. Therefore, when the tool 2 descends to the tool zeroing position b, the tool descent distance will be equivalent to or slightly greater than the preset distance of the tool sleeve. When the tool descent distance is greater than the sum of the preset distance of the tool sleeve and the preset detection value, it means that the length of the tool 2 has been shortened and wear has occurred.

[0063] The second embodiment of determining the wear of the tool 2 comprises the following steps:

[0064] During multiple adjustments, if the descending distance of the tool increases successively, it is determined that the tool 2 is worn out.

[0065] Since the cutting process may involve multiple adjustments, the tool descent distance generated by multiple zeroing can be used as a reference for the wear of the tool 2. In the second embodiment, if the tool descent distance increases successively, it means that the length of the tool 2 is shortening, so it can be determined that the tool 2 is wearing out.

[0066] When it is determined that the tool 2 is worn out, if the difference between the tool descent distance and the tool preset distance is greater than the preset wear length, the subsequent cutting operation is stopped and a prompt is given to replace the tool 2.

[0067] The preset wear length is the dividing value between tool 2 being usable and unusable. When the difference between the tool descent distance and the tool preset distance is greater than the preset wear length, it means that the wear length of tool 2 is greater than the range that can continue to be used, so it is necessary to remind the production line workers to replace tool 2.

[0068] After adjusting the tool 2, drive the tool sleeve 1 and the tool 2 to move to the protective film cutting area, input the protective film thickness, and the system generates a preset cutting distance based on the protective film thickness, and then drives the tool 2 to descend the preset cutting distance relative to the tool sleeve 1.

[0069] Since the tip of the tool 2 and the bottom of the tool sleeve 1 have been adjusted to be flush, after the thickness of the protective film is input, the system generates a preset cutting distance based on the thickness of the protective film. The preset cutting distance is not necessarily equal to the thickness of the protective film, and a certain degree of compensation can be made based on the material, hardness, external environment, etc. of the protective film. Then, the tool 2 is driven to descend the preset cutting distance relative to the tool sleeve 1. The preset cutting distance is the distance that the tip of the tool 2 protrudes from the bottom of the tool sleeve 1, which is the depth of the cutting protective film.

[0070] The above are preferred embodiments of the present invention. It should be noted that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A knife adjustment method for a sheet material protective film cutting device, used for adjusting a knife sleeve and a knife of the sheet material protective film cutting device, characterized in that: The following steps are involved: Drive the tool sleeve and the tool to move above the tool adjusting device; Adjust the tool sleeve: drive the tool sleeve down and reach the tool sleeve zeroing position, and then drive the tool sleeve up; Adjusting the tool: the tool holder remains stationary, driving the tool to descend relative to the tool holder and reach the tool zeroing position, and then driving the tool to ascend relative to the tool holder; The tool sleeve zeroing position and the tool zeroing position are at the same position or the distance between them is a preset fixed value.

2. The knife adjustment method for sheet material protective film cutting equipment according to claim 1, characterized in that: The following steps are also included: Move the tool sleeve and the tool to above the sensor of the tool adjusting device so that the centers of the tool sleeve and the tool are aligned with the center of the sensor; Adjusting the knife sleeve: driving the knife sleeve to descend and making the bottom of the knife sleeve contact with the sensor of the knife adjusting device. During this process, the tool follows the knife sleeve to descend.

3. The knife adjustment method for sheet material protective film cutting equipment according to claim 1, characterized in that: The step of adjusting the knife sleeve also includes: When the tool housing descends and the bottom of the tool housing abuts against the sensor of the tool adjustment device, the position of the tool housing at this time is recorded as the tool housing zeroing position, and then the tool housing is driven to rise a preset distance.

4. The knife adjustment method for sheet material protective film cutting equipment according to claim 3, characterized in that: The step of adjusting the tool comprises: When the tool descends and contacts the sensor of the adjusting device, the system records the position of the tool at this time as the tool zeroing position, and then drives the tool to rise a preset distance.

5. The knife adjustment method for sheet material protective film cutting equipment according to claim 4, characterized in that: The position of the tool sleeve zeroing position is the same as the position of the tool zeroing position, and the tool sleeve preset distance is equal to the tool preset distance.

6. The knife adjustment method for sheet material protective film cutting equipment according to claim 5, characterized in that: The preset distance of the tool sleeve and the preset distance of the tool are in the range of 0.5mm-2.5mm.

7. The knife adjustment method for sheet material protective film cutting equipment according to claim 1, characterized in that: The following steps are also included: In the process of cutting the sheet material protective film, the knife sleeve and the knife can be adjusted multiple times. Before adjusting the knife sleeve each time, the knife is driven to rise to a limit position relative to the knife sleeve.

8. The knife adjustment method for sheet material protective film cutting equipment according to claim 7, characterized in that: The following steps are also included: When adjusting the tool, the tool is driven to descend relative to the tool sleeve and reach the tool zeroing position, and the distance the tool descends during this process is recorded as the tool descending distance, and then the tool is driven to rise by the tool preset distance; In this process, if the difference between the descending distance of the tool and the preset distance of the tool is greater than a preset detection value, it is determined that the tool is worn out; or During multiple adjustments, if the descending distance of the tool increases successively, it is determined that the tool is worn out.

9. The knife adjustment method for sheet material protective film cutting equipment according to claim 8, characterized in that: When it is determined that the tool is worn out, if the difference between the descending distance of the tool and the preset distance of the tool is greater than the preset wear length, the subsequent cutting operation is stopped and a prompt is given to replace the tool.

10. The knife adjustment method for sheet material protective film cutting equipment according to claim 1, characterized in that: After the tool is adjusted, the tool sleeve and the tool are driven to move to the protective film cutting area, the protective film thickness is input, and the system generates a preset cutting distance based on the protective film thickness, and then drives the tool to descend the preset cutting distance relative to the tool sleeve.

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