Dispensing head management control device and method
By using a dispensing head management and control device and method, and by utilizing fiber optic measurement technology, automatic replacement and accurate 3D positioning of the dispensing head are achieved. This solves the problems of low dispensing head replacement efficiency and inaccurate positioning in electronic screen production, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202510389863.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2045-03-31
AI Technical Summary
In current electronic screen production, the dispensing head replacement is inefficient and the position is inaccurate, affecting product quality.
A dispensing head management and control device and method are adopted, including a dispensing control device, a dispensing head Z-axis and horizontal position measuring device, and a fiber optic measurement technology is used to automatically measure and replace the dispensing head to achieve accurate 3D positioning.
It improves the automation level of dispensing head replacement, reduces manual intervention, ensures the accuracy and precision of dispensing position, simplifies the process, and saves time and costs.
Smart Images

Figure CN120228007B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of electronic screen production and manufacturing, and particularly relates to a dispensing device and method for electronic screen production. BACKGROUND
[0002] Electronic paper modules are now widely used in supermarket price tags, electronic books, mobile phones and other electronic device fields. With the increasing market demand and the increasing maturity of automatic equipment, the electronic paper module edge sealing glue process is replaced by full-automatic dispensing equipment. However, the service life of the needle in the production process of the full-automatic dispensing equipment is limited, and the dispensing head, i.e. the needle, needs to be replaced frequently.
[0003] Each time the dispensing head is replaced, the needle needs to be repositioned. The accuracy of each positioning directly determines the accuracy of the subsequent dispensing position and directly affects the quality of the product. SUMMARY
[0004] The technical problem to be solved by the application is to avoid the low efficiency and inaccurate position of manual replacement of the dispensing head in the production of electronic screens in the prior art, and to provide a dispensing head management control device and a management control method which can automatically replace the dispensing head and accurately position the dispensing head after replacement.
[0005] The technical solution of the application for solving the above technical problem is a dispensing head management control device, comprising: a dispensing control device, a dispensing head Z-axis measurement device, and a dispensing head horizontal position measurement device; the dispensing control device comprises a main control module, a dispensing head horizontal position measurement management module, and a dispensing head Z-axis measurement management module; the dispensing head Z-axis measurement management module is electrically connected to the dispensing head Z-axis measurement device, and the Z-axis measurement management module controls the dispensing head Z-axis measurement device to measure the Z-axis height of the tip position of the dispensing head; the dispensing head horizontal position measurement management module is electrically connected to the dispensing head horizontal position measurement device, and the dispensing head horizontal position measurement management module controls the dispensing head horizontal position measurement device to measure the horizontal position of the tip position of the dispensing head.
[0006] The dispensing head horizontal position measurement device can comprise a dispensing head X-axis position measurement device, and the dispensing head horizontal position measurement device can comprise a dispensing head Y-axis position measurement device.
[0007] The dispensing head X-axis position measurement device can be an X-axis optical fiber measurement device, and the dispensing head Y-axis position measurement device can be a Y-axis optical fiber measurement device.
[0008] The dispensing head Z-axis measurement device can be an optical fiber distance measurement device.
[0009] The dispensing head control device can comprise a dispensing head replacement management module, a dispensing head replacement device, and an electrical signal connection between the dispensing head replacement management module and the dispensing head replacement device.
[0010] The dispensing head Z-axis measurement device can further comprise a dispensing head Z-axis movement device and an electrical signal connection between the dispensing head Z-axis movement device and the dispensing head Z-axis measurement management module.
[0011] The dispensing head horizontal position movement device can comprise a dispensing head X-axis movement device and a dispensing head Y-axis movement device.
[0012] The dispensing head management control method can comprise the following steps: A, removing the old needle and replacing the new needle; B, moving the needle by the Z-axis movement device to find the end of the needle, and measuring the Z-axis height by the optical fiber distance measurement; C, moving the needle by the horizontal movement device, and measuring the horizontal position by the dispensing head XY-axis optical fiber measurement device.
[0013] The dispensing head management control method can further comprise the following steps: B10, moving the position by the dispensing head horizontal position movement device, measuring the edge of the dispensing head by the dispensing head XY-axis optical fiber measurement device, and finding the center position of the dispensing head; B20, moving the dispensing head upward by the Z-axis movement device, finding the lower edge position of the dispensing head, and measuring the lower edge position data of the dispensing head by the dispensing head Z-axis optical fiber measurement device.
[0014] The dispensing head management control method can further comprise the following steps: B10, moving the position by the dispensing head horizontal position movement device, measuring the edge of the dispensing head by the dispensing head XY-axis optical fiber measurement device, and finding the center position of the dispensing head; B20, moving the dispensing head upward by the Z-axis movement device, finding the lower edge position of the dispensing head, and measuring the lower edge position data of the dispensing head by the dispensing head Z-axis optical fiber measurement device.
[0015] One of the beneficial effects of the technical solution in the present application is that the horizontal position and the Z-axis height can be accurately measured, and the dispensing head can be accurately positioned in three dimensions.
[0016] One of the beneficial effects of the technical solution in the present application is that the horizontal position measurement device comprises dispensing head X-axis and Y-axis position measurement devices, which can accurately position in two axis directions.
[0017] One of the beneficial effects of the technical solution in the present application is that the optical fiber measurement device is used, which has high accuracy.
[0018] One of the beneficial effects of the technical solutions in the present application is that the dispensing head replacing device can automatically replace the dispensing head, increase the degree of automation, and reduce the degree of manual participation.
[0019] One of the beneficial effects of the technical solutions in the present application is that the dispensing head horizontal position moving device includes a dispensing head X-axis moving device and a dispensing head Y-axis moving device, which can accurately control the displacement in the X-axis and Y-axis directions.
[0020] One of the beneficial effects of the technical solutions in the present application is that the dispensing head management control method can accurately perform 3D movement and measurement, and improve positioning accuracy.
[0021] One of the beneficial effects of the technical solutions in the present application is that the dispensing head XY-axis optical fiber measurement device measures the edge of the dispensing head, finds the center position of the dispensing head, reduces the influence of the size deviation of the dispensing head, further improves the positioning accuracy of the dispensing head, and ensures the accuracy of the subsequent dispensing position.
[0022] One of the beneficial effects of the technical solutions in the present application is that the X-axis optical fiber measurement device measures the edge of the dispensing head, finds the center position of the dispensing head in the X-axis direction, the Y-axis optical fiber measurement device measures the edge of the dispensing head, finds the center position of the dispensing head in the Y-axis direction, can respectively position the center position in each axis, and can further improve the accuracy of positioning. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a schematic block diagram of a dispensing head management control device;
[0024] Figure 2 is a schematic block diagram of a dispensing head management control device;
[0025] Figure 3 is a schematic block diagram of a dispensing head management control device;
[0026] Figure 4 is a schematic block diagram of a dispensing head management control device;
[0027] Figure 5 is a schematic block diagram of a dispensing head management control device;
[0028] Figure 6 is a schematic block diagram of a dispensing head management control device;
[0029] Figure 7 is a schematic diagram of a dispensing head management control device;
[0030] Figure 8 is a flowchart of a dispensing head management control method;
[0031] Figure 9 is a flowchart of a dispensing head management control method;
[0032] Figure 10 is a schematic diagram of a dispensing head management control device application;
[0033] Figure 11 is a schematic diagram of a horizontal position measurement of the dispensing head management control device;
[0034] Figure 12 is a comparison of technical effects before and after improvement. DETAILED DESCRIPTION
[0035] The embodiments of the present application will be further described below in conjunction with the accompanying drawings.
[0036] It should be noted that the following is a description of the preferred embodiments of the present application and does not constitute any limitation on the present application. The description of the preferred embodiments of the present application is only as a description of the general principles of the present application. The embodiments described in the present application are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and technical features numbered with Arabic numerals 1, 2, 3, etc., and "A" and "B" such numbering are only for description purposes, for the convenience of explanation, and do not represent a time or spatial sequence relationship; cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second", and technical features numbered with Arabic numerals 1, 2, 3, etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise explicitly specified.
[0038] The existing needle replacement process in the prior art is as follows:
[0039] 1.1 Manually remove the needle, replace the new needle, manually move the needle to approach the product surface position, and test with a standard gasket when the needle is about to contact the product. Write down the Z coordinate of the needle after confirming the position. This operation requires high skill, has the risk of the needle piercing the product, has low positioning accuracy, and takes too long, resulting in time waste.
[0040] 1.2 Manual operation to arrange a drop of glue above the platform, then the camera is aligned to take a picture of the circle formed by the glue to get the center of the circle, and the XY coordinates of the center of the circle are written into the device. This process requires manual operation of dispensing and photographing, and the glue arranged on the platform is not necessarily a regular circle. The camera photographing to get the center of the circle has errors, and manual wiping of the glue and cleaning of the platform with alcohol are also required.
[0041] 1.3 After testing the XYZ direction coordinates, product dispensing test is performed to see the dispensing effect and make fine adjustments in XYZ directions; the whole needle replacement process is complex, the precision is poor, and the operation requirements for personnel are high. The method in the prior art not only has low alignment accuracy, complex operation process, and high labor cost.
[0042] As Figure 1 In an embodiment of the dispensing head management control device, the dispensing head management control device comprises a dispensing control device, a dispensing head Z-axis measurement device, and a dispensing head horizontal position measurement device. The dispensing control device comprises a main control module, a dispensing head horizontal position measurement management module, and a dispensing head Z-axis measurement management module. The dispensing head Z-axis measurement management module is electrically connected to the dispensing head Z-axis measurement device, and the Z-axis measurement management module controls the dispensing head Z-axis measurement device to measure the Z-axis height of the tip position of the dispensing head. The dispensing head horizontal position measurement management module is electrically connected to the dispensing head horizontal position measurement device, and the dispensing head horizontal position measurement management module controls the dispensing head horizontal position measurement device to measure the horizontal position of the tip position of the dispensing head.
[0043] As Figure 3 In an embodiment of the dispensing head management control device, the dispensing head horizontal position measurement device comprises a dispensing head X-axis position measurement device, and the dispensing head horizontal position measurement device comprises a dispensing head Y-axis position measurement device.
[0044] As Figure 4 In an embodiment of the dispensing head management control device, the dispensing head X-axis position measurement device is an X-axis optical fiber measurement device, and the dispensing head Y-axis position measurement device is a Y-axis optical fiber measurement device.
[0045] As Figure 5 In an embodiment of the dispensing head management control device, the dispensing head Z-axis measurement device is an optical fiber distance measurement device.
[0046] As Figures 1 to 5 In an embodiment of the dispensing head management control device, the dispensing control device comprises a dispensing head replacement management module, and further comprises a dispensing head replacement device. The dispensing head replacement management module is electrically connected to the dispensing head replacement device, and the dispensing head replacement management module controls the dispensing head replacement device to replace the dispensing head.
[0047] As Figures 2 to 6In an embodiment of the dispensing head management control device, the dispensing head Z-axis measurement device further comprises a dispensing head Z-axis movement device electrically connected to the dispensing head Z-axis measurement management module; and a dispensing head horizontal position movement device electrically connected to the dispensing head horizontal position measurement management module; the dispensing head horizontal position movement device comprises a dispensing head X-axis movement device and a dispensing head Y-axis movement device.
[0048] As shown in Figures 7 to 10 In an embodiment of the dispensing head management control method, based on the dispensing head management control device, the method comprises the following steps: step A, removing the old needle and replacing it with a new needle; step B, moving the needle by the Z-axis movement device to find the end of the needle, and measuring the Z-axis height by the optical fiber distance measurement; and step C, moving the needle by the horizontal movement device, and measuring the horizontal position by the dispensing head XY-axis optical fiber measurement device.
[0049] As shown in Figures 7 to 10 In an embodiment of the dispensing head management control method, the method comprises the following steps: step B10, moving the position by the dispensing head horizontal position movement device, and measuring the edge of the dispensing head by the dispensing head XY-axis optical fiber measurement device to find the center position of the dispensing head; and step B20, moving the dispensing head upward by the Z-axis movement device to find the lower edge position of the dispensing head, and measuring the lower edge position data of the dispensing head by the dispensing head Z-axis optical fiber measurement device.
[0050] As shown in Figures 7 to 10 In an embodiment of the dispensing head management control method, step B10 comprises the following steps: step B101, moving the dispensing head by the dispensing head X-axis movement device, measuring the edge of the dispensing head by the X-axis optical fiber measurement device to find the center position in the X-axis direction of the dispensing head; and step B102, moving the dispensing head by the dispensing head Y-axis movement device, measuring the edge of the dispensing head by the Y-axis optical fiber measurement device to find the center position in the Y-axis direction of the dispensing head.
[0051] As shown in Figure 7 The dispensing control device is electrically connected to the dispensing head XY-axis movement device, the dispensing head Z-axis movement device, the X-axis optical fiber measurement device, the Y-axis optical fiber measurement device, and the Z-axis optical fiber measurement device, and controls the operation of the above devices.
[0052] In an embodiment not shown in the figure, an automatic mechanical hand removes the old dispensing head, takes a standby dispensing head to replace it, and then measures the X-axis, Y-axis, and Z-axis of the head of the dispensing head. The accurate position of the new dispensing head is obtained to build an accurate positioning basis for subsequent dispensing of the product in the accurate position.
[0053] As shown in Figure 10 The dispensing head XY-axis optical fiber measurement device comprises an X-axis optical fiber measurement device and a Y-axis optical fiber measurement device; and the dispensing head Z-axis optical fiber measurement device;
[0054] The dispensing head Z-axis measurement button is further arranged on the dispensing control device, and after the dispensing head Z-axis measurement button is pressed, the dispensing head Z-axis optical fiber measurement device measures the position of the dispensing head Z-axis.
[0055] The dispensing head horizontal position measurement button is further arranged on the dispensing control device, and after the dispensing head horizontal position measurement button is pressed, the dispensing head horizontal position measurement device measures the horizontal position of the dispensing head.
[0056] The application discloses a new full-automatic dispensing equipment needle head fiber automatic measurement XYZ coordinate mode, which simplifies the process, improves the needle head efficiency and reduces the labor cost.
[0057] In the application, the equipment is provided with a positioning detection optical fiber at the rear side of the dispensing platform, and the needle head replacement process is as follows: the old needle head is removed, the new needle head is replaced, the "one-key height measurement" is clicked on the touch screen, the needle head automatically runs the height measurement program, and after completion, the Z coordinate is written; then, the "one-key XY measurement" is clicked on the touch screen, the needle head automatically runs to the optical fiber position, and after completion, the XY direction coordinate is automatically written; finally, product dispensing test is performed, and the needle head replacement action is completed. Figure 12 As shown in the drawings, not only the labor is saved, but also the photographing process is saved, time is saved, and equipment cost is reduced.
[0058] As shown in the drawings, the above is only an embodiment of the application, and does not limit the patent range of the application, and any equivalent structure or equivalent process transformation or direct or indirect application in other related technical fields is also included in the patent protection range of the application.
Claims
1. A dispensing head management and control device, Its features are, Includes: dispensing control device, dispensing head Z-axis measuring device, and dispensing head horizontal position measuring device; The dispensing control device includes a main control module, a dispensing head horizontal position measurement and management module, and a dispensing head Z-axis measurement and management module; The Z-axis measurement management module of the dispensing head is electrically connected to the Z-axis measurement device of the dispensing head. The Z-axis measurement management module controls the Z-axis measurement device of the dispensing head to measure the Z-axis height of the tip position of the dispensing head. The dispensing head horizontal position measurement and management module is electrically connected to the dispensing head horizontal position measuring device. The dispensing head horizontal position measurement and management module controls the dispensing head horizontal position measuring device to measure the horizontal position of the tip of the dispensing head. The dispensing head horizontal position measuring device includes a dispensing head X-axis position measuring device; The dispensing head horizontal position measuring device includes a dispensing head Y-axis position measuring device; The X-axis position measuring device for the dispensing head is an X-axis fiber optic measuring device. The Y-axis position measuring device for the dispensing head is a Y-axis fiber optic measuring device. The Z-axis measuring device for the dispensing head is an optical fiber distance measuring device. The dispensing control device includes a dispensing head replacement management module and a dispensing head replacement device. The dispensing head replacement management module is electrically connected to the dispensing head replacement device, and the dispensing head replacement management module controls the dispensing head replacement device to replace the dispensing head. The dispensing head horizontal position moving device includes a dispensing head X-axis moving device and a dispensing head Y-axis moving device; The dispensing head Z-axis measuring device also includes a dispensing head Z-axis moving device, which is electrically connected to the dispensing head Z-axis measurement management module; it also includes a dispensing head horizontal position moving device, which is electrically connected to the dispensing head horizontal position measurement management module.
2. A method for managing and controlling a dispensing head, based on the dispensing head management and control device according to claim 1, characterized in that, Step A: Remove the old needle and replace it with a new needle; Step B: The Z-axis moving device moves the needle to find the end of the needle, and the fiber optic ranging measures the Z-axis height; Step C: The horizontal moving device moves the needle, and the XY axis fiber optic measuring device of the dispensing head measures the horizontal position.
3. The dispensing head management and control method according to claim 2, characterized in that, include Step B10: The horizontal position moving device of the dispensing head moves to a new position, and the XY axis fiber optic measuring device of the dispensing head measures the edge of the dispensing head to find the center position of the dispensing head. Step B20: The Z-axis moving device moves the dispensing head upward to find the lower edge position of the dispensing head, and the Z-axis fiber optic measuring device of the dispensing head measures and obtains the lower edge position data of the dispensing head.
4. The dispensing head management and control method according to claim 3, characterized in that, Step B10 includes: Step B101, the X-axis moving device of the dispensing head moves the dispensing head, the X-axis fiber optic measuring device measures the edge of the dispensing head, and finds the center position of the dispensing head in the X-axis direction. Step B102: The Y-axis moving device moves the dispensing head, and the Y-axis fiber optic measuring device measures the edge of the dispensing head to find the center position of the dispensing head in the Y-axis direction.
Citation Information
Patent Citations
Method for determining XY plane offset value with glue dispensing needle replaced
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