Dispensing mechanism and dispensing method thereof

Abstract

The application discloses a dispensing mechanism and a dispensing method thereof. The dispensing mechanism comprises a support frame, a main body, a dispensing needle and a counterweight. The support frame is fixedly arranged. The main body is rotationally connected with the support frame. The main body has a first end and a second end which are oppositely arranged along a first direction. The dispensing needle is connected with the main body and arranged close to the first end of the main body. The counterweight is arranged close to the second end of the main body. The counterweight is movably connected with the main body at least partially and can move along the first direction relative to the main body, so that the counterweight is close to or away from the dispensing needle at least partially.

Description

Technical Field

[0001] The present application relates to the technical field of glue dispensing equipment, and more specifically, to a glue dispensing mechanism and a glue dispensing method thereof. Background Art

[0002] At present, dispensing technology is widely used in AR / VR, electronic products, automobiles, precision structural parts manufacturing and other fields. As the precision of product manufacturing becomes higher and higher and the manufacturing process becomes more and more complex, the requirements for dispensing technology are also getting higher and higher.

[0003] Currently, when dispensing low-viscosity glue or products with height differences, problems such as glue breakage and glue overflow are prone to occur. Therefore, it is necessary to provide a new technical solution to solve the above technical problems. Summary of the Invention

[0004] One purpose of the present application is to provide a new technical solution for a dispensing mechanism and a dispensing method thereof.

[0005] According to a first aspect of the present application, a dispensing mechanism is provided, comprising:

[0006] A support frame, wherein the support frame is fixedly arranged;

[0007] a main body portion, the main body portion being rotatably connected to the support frame; the main body portion having a first end and a second end disposed opposite to each other along a first direction;

[0008] a dispensing needle connected to the main body and disposed near the first end thereof;

[0009] A counterweight is provided near the second end of the main body, and is at least partially movably connected to the main body and can move relative to the main body along a first direction so that the counterweight is at least partially close to or away from the dispensing needle.

[0010] Optionally, the counterweight member includes a counterweight block and a driver connected to each other, the counterweight block is slidably connected to the main body, and the driver can drive the counterweight block to move along a first direction to approach or move away from the dispensing needle.

[0011] Optionally, the main body is provided with a sliding groove extending along the first direction, the counterweight block is at least partially disposed in the sliding groove, and the counterweight block is slidably connected to the sliding groove.

[0012] Optionally, a guide groove extending along the first direction is provided on the side of the sliding groove, a guide platform is protruding from the side of the counterweight block, the guide platform is embedded in the guide groove, and the guide platform is slidably connected to the guide groove.

[0013] Optionally, the driver includes a drive body and a drive shaft connected to each other, the drive body is fixed, the drive shaft is connected to the counterweight, and the drive shaft can move relative to the drive body and drive the counterweight to move along the first direction.

[0014] Optionally, the drive shaft is threadably connected to the counterweight.

[0015] Optionally, the dispensing mechanism further includes a fixing plate, the fixing plate is connected to the second end of the main body, and the driving body is mounted on the fixing plate.

[0016] Optionally, the dispensing mechanism further includes a limiting member, which is connected to the support frame and is arranged in a path in which the main body rotates relative to the support frame.

[0017] According to a second aspect of the present application, a dispensing method of the dispensing mechanism according to the first aspect is provided, the dispensing method comprising:

[0018] Adjusting the minimum distance between the counterweight and the dispensing needle according to the preset counterweight value of the dispensing needle;

[0019] The end of the dispensing needle away from the main body is brought into contact with the product to be dispensed and the dispensing operation is performed.

[0020] Optionally, before adjusting the minimum distance between the counterweight and the dispensing needle according to a preset counterweight value of the dispensing needle, the dispensing method further includes:

[0021] The installation position and installation angle of the dispensing needle relative to the main body are corrected.

[0022] The dispensing mechanism provided in the embodiment of the present application dispenses glue by adapting the dispensing needle to slight height changes of the product, thereby ensuring that the glue is continuously applied and does not overflow during the dispensing process, thereby improving the quality of the dispensing operation.

[0023] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0025] Figure 1 The figure shows the overall structure of a dispensing mechanism of the present application. Figure 1 ;

[0026] Figure 2 The figure shows the overall structure of a dispensing mechanism of the present application. Figure 2 ;

[0027] Figure 3 The figure shows a partial structure diagram of a dispensing mechanism of the present application. Figure 1 ;

[0028] Figure 4 The figure shows a partial structure diagram of a dispensing mechanism of the present application. Figure 2 ;

[0029] Figure 5 The figure shows a partial structure diagram of a dispensing mechanism of the present application. Figure 3 ;

[0030] Figure 6 The figure shows a partial structure diagram of a dispensing mechanism of the present application. Figure 4 .

[0031] Description of reference numerals:

[0032] 1. Glue dispensing mechanism; 11. Support frame; 12. Main body; 120. Sliding groove; 1200. Guide groove; 13. Glue dispensing needle; 14. Counterweight; 141. Counterweight block; 1410. Guide platform; 142. Driver; 1421. Driver body; 1422. Driver shaft; 15. Fixed plate; 16. Limiting member; 17. Glue supply hose; 18. Adapter plate; 10. Rotating shaft. DETAILED DESCRIPTION

[0033] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application.

[0034] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present disclosure, its application, or uses.

[0035] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0036] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0037] It should be noted that like reference numerals and letters refer to like items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0038] Reference Figures 1 to 6As shown, according to one embodiment of the present application, a dispensing mechanism 1 is provided, which includes a support frame 11, a main body 12, a dispensing needle 13 and a counterweight 14, wherein the support frame 11 is fixed; the main body 12 is rotatably connected to the support frame 11; the main body 12 has a first end and a second end oppositely arranged along a first direction; the dispensing needle 13 is connected to the main body 12 and is arranged near the first end thereof;

[0039] The counterweight 14 is arranged near the second end of the main body 12. The counterweight 14 is at least partially movably connected to the main body 12 and can move relative to the main body 12 along a first direction so that the counterweight 14 is at least partially close to or away from the dispensing needle 13.

[0040] In the dispensing mechanism 1 provided in the embodiment of the present application, the support frame 11 serves as the fixed foundation of the entire mechanism and can be securely mounted on a workbench or the main body of the device by bolts or other fastening means. The main body 12 and the support frame 11 are connected by a rotation to achieve angle adjustment to adapt to different working requirements; optionally, the main body 12 is connected by a rotating shaft 10 to the support frame 11. The main body 12 has a first end and a second end that are arranged opposite to each other along its length direction (first direction); and the main body 12 has an upper surface and a lower surface that are arranged opposite to each other.

[0041] A dispensing needle 13 is connected to the lower surface of the main body 12 and is positioned near the first end of the main body. This needle 13 is used to precisely apply glue to the product being dispensed during the dispensing process. Furthermore, the dispensing mechanism 1 includes a glue supply hose 17, which is mounted on the main body 12 and communicates with the dispensing needle 13. This hose 17 provides glue to the dispensing needle 13.

[0042] A counterweight 14 is positioned on the upper surface of the main body 12, near its second end. This counterweight 14 is used to adjust the downward pressure applied by the dispensing needle 13 during operation to better accommodate variations in the height of the product surface. The counterweight 14 is at least partially movably connected to the main body 12 and can move in a first direction, moving closer to or further away from the dispensing needle 13. During dispensing operations, the position of the counterweight can be adjusted according to actual needs to achieve optimal balancing.

[0043] In the glue dispensing mechanism 1 provided in the embodiments of the present application, the weight of the glue dispensing needle 13 during work is flexibly adjusted by the counterweight 14, the main body 12 is rotatably connected with the support frame 11 to allow the main body 12 to adjust the angle together with the glue dispensing needle 13, so as to adjust the height position of the glue dispensing needle 13 relative to the product, and form a relatively reasonable dynamic balance state. When the product surface is concave, the glue dispensing mechanism 1 uses its own gravity to move the glue dispensing needle 13 downward, and when the product surface is convex, the convex surface of the product exerts a reaction force on the glue dispensing needle 13 to lift the glue dispensing needle 13, so that the glue dispensing needle 13 can adapt to the slight height change of the product and perform glue dispensing, thereby ensuring that the glue is continuously glued and not overflowed during the glue dispensing process, and improving the quality of the glue dispensing operation.

[0044] Optionally, the main body 12 is approximately an isosceles triangle, the first end of the main body 12 corresponds to the top angle of the isosceles triangle, and the second end of the main body 12 corresponds to the base of the isosceles triangle. Such a shape of the main body 12 is beneficial to the installation of the counterweight 14 and helps to achieve a better counterweight effect.

[0045] Referring to Figure 1 In one embodiment, the counterweight 14 includes a counterweight block 141 and a driver 142 connected with each other, the counterweight block 141 is slidably connected with the main body 12, and the driver 142 can drive the counterweight block 141 to move along the first direction to approach or move away from the glue dispensing needle 13.

[0046] In this specific example, the counterweight 14 includes the counterweight block 141 and the driver 142. The counterweight block 141 serves as the main weight source, is slidably connected with the main body 12, and can freely move along the first direction; optionally, the material of the counterweight block 141 is metal, for example, the counterweight block 141 is a lead block made of lead material. The driver 142 is used to drive the counterweight block 141 to move, and according to actual use needs, the driver 142 can be selected as a manual driving device, or an electric, pneumatic or hydraulic driving device.

[0047] Referring to Figures 3 and 4 In one embodiment, the main body 12 is provided with a sliding groove 120 extending along the first direction, and the counterweight block 141 is at least partially arranged in the sliding groove 120, and the counterweight block 141 is slidably connected with the sliding groove 120.

[0048] In this specific example, the counterweight block 141 reciprocally moves along the first direction in the sliding groove 120 of the main body 12 to approach or move away from the glue dispensing needle 13, so as to ensure the stability and accuracy of the counterweight block 141 during movement.

[0049] Referring to Figures 3 and 4As shown, in one embodiment, a guide groove 1200 extending along a first direction is provided on the side of the sliding groove 120, and a guide platform 1410 is protruding from the side of the counterweight block 141. The guide platform 1410 is embedded in the guide groove 1200, and the guide platform 1410 is slidably connected to the guide groove 1200.

[0050] In this specific example, the sliding fit connection between the guide platform 1410 of the counterweight block 141 and the guide groove 1200 can provide a guiding effect for the reciprocating movement of the counterweight block 141 along the first direction, thereby further ensuring the stability and accuracy of the counterweight block 141 during the movement, and preventing the counterweight block 141 from shaking and position shifting during the movement.

[0051] Reference Figures 5 and 6 As shown, in one embodiment, the driver 142 includes a driving body 1421 and a driving shaft 1422 that are connected to each other. The driving body 1421 is fixedly arranged, and the driving shaft 1422 is connected to the counterweight block 141. The driving shaft 1422 can move relative to the driving body 1421 and drive the counterweight block 141 to move along the first direction.

[0052] In this specific example, the driver 142 includes a driver body 1421 and a drive shaft 1422. The driver body 1421 is fixed, for example, directly or indirectly mounted on the main body 12; while the drive shaft 1422 is connected to the counterweight 141. The drive shaft 1422 can drive the counterweight 141 to move in a first direction by rotating or telescoping the drive body 1421.

[0053] Reference Figure 6 As shown, in one embodiment, the driving shaft 1422 is threadedly connected to the counterweight 141 .

[0054] In this specific example, drive shaft 1422 and counterweight 141 are connected using a threaded connection. Drive shaft 1422 rotates relative to drive body 1421, and the threaded structure converts the rotational motion of drive shaft 1422 into linear translational motion of counterweight 141. This connection method has the advantages of simple structure, ease of implementation, low cost, and high precision. Through the threaded connection structure, the drive shaft 1422 rotates and drives the counterweight 141 to perform linear translational motion with an accuracy of 0.01 mm.

[0055] Reference Figure 1 、 Figure 5 、 Figure 6As shown, in one embodiment, the dispensing mechanism further includes a fixing plate 15 , the fixing plate 15 is connected to the second end of the main body 12 , and the driving body 1421 is mounted on the fixing plate 15 .

[0056] In this specific example, in order to facilitate the installation and maintenance of the driver 142, the dispensing mechanism also includes a fixing plate 15, which is connected to the second end of the main body 12. For example, the fixing plate 15 and the main body 12 are connected by bolts; the driver 142 is installed on the fixing plate 15. For example, the fixing plate 15 is provided with a mounting hole, and the driving body 1421 of the driver 142 is passed through and installed in the mounting hole.

[0057] Reference Figure 2 As shown, in one embodiment, the dispensing mechanism further includes a limiter 16 , which is connected to the support frame 11 , and the limiter 16 is disposed in a path where the main body 12 rotates relative to the support frame 11 .

[0058] In this specific example, in order to prevent the main body 12 from exceeding a preset range during rotation and damaging the mechanism or affecting the dispensing effect, the dispensing mechanism also includes a limiter 16; the limiter 16 is connected to the support frame 11, for example, the limiter 16 is connected to the support frame 11 through an adapter plate 18, one end of the adapter plate 18 is connected to the support frame 11 by a bolt, and the other end of the adapter plate 18 is connected to the limiter 16; in a specific example, the limiter 16 is a limiter bolt, which is screwed onto the adapter plate 18 in a threaded manner, and the end of the limiter bolt is arranged relative to the lower surface of the main body 12; by rotating the limiter bolt relative to the adapter plate 18, the length of the limiter bolt extending from the adapter plate 18 can be flexibly adjusted, thereby adjusting the distance between the end of the limiter bolt and the lower surface of the main body 12. When the main body 12 rotates to the preset position, the end of the limiter bolt will contact the lower surface of the main body 12 and prevent it from continuing to rotate, thereby ensuring the stability and accuracy of the dispensing operation.

[0059] According to another embodiment of the present application, a dispensing method of the dispensing mechanism as described above is provided, the dispensing method comprising:

[0060] According to the preset counterweight value of the dispensing needle 13, the minimum distance between the counterweight 14 and the dispensing needle 13 is adjusted;

[0061] The end of the dispensing needle 13 away from the main body 12 is brought into contact with the product to be dispensed and the dispensing operation is performed.

[0062] In the dispensing method provided in the embodiment of the present application, the preset counterweight value can be set by simulation or calculation, for example, based on the material, size, weight, and dispensing position of the product to be dispensed, as well as based on the viscosity, fluidity, and curing time of the glue. After the preset counterweight value is set, the counterweight 14 is moved along the main body 12 according to the preset counterweight value to adjust the minimum distance between the counterweight 14 and the dispensing needle 13, thereby achieving the preset counterweight value requirement. The so-called minimum distance between the counterweight 14 and the dispensing needle 13 refers to the distance between the part of the counterweight 14 closest to the dispensing needle 13 and the dispensing needle 13. Reference Figure 1 As shown, in a specific example, the minimum distance is the distance between the surface of the counterweight 141 facing away from the fixing plate 15 and the dispensing needle 13 .

[0063] When performing the dispensing operation, the needle head of the dispensing needle 13 (that is, the end of the dispensing needle 13 away from the main body 12) is brought into contact with the product to be dispensed. When the surface of the product is concave, the dispensing mechanism 1 uses its own gravity to move the dispensing needle 13 downward. When the surface of the product is convex, the convex surface of the product applies a reaction force to the dispensing needle 13 to lift the dispensing needle 13, thereby fully realizing that the dispensing needle 13 adapts to the slight height change of the product to dispense glue, thereby ensuring that the glue is continuously dispensed and does not overflow during the dispensing process, thereby improving the quality of the dispensing operation.

[0064] If the surface of the product to be glued is an ideal flat surface, the needle head of the glue dispensing needle 13 can also be controlled to maintain a fixed distance from the surface of the product, for example, 0.1-0.15 mm.

[0065] In one embodiment, before adjusting the minimum distance between the counterweight 14 and the dispensing needle 13 according to the preset counterweight value of the dispensing needle 13, the dispensing method further includes:

[0066] The installation position and installation angle of the dispensing needle 13 relative to the main body 12 are calibrated.

[0067] In this specific example, to ensure stability and accuracy during the dispensing process, the position and angle of the dispensing needle 13 require strict calibration. For example, the dispensing needle 13's installation position and angle must be calibrated each time it is replaced. Alternatively, an infrared sensor calibration kit can be used to precisely calibrate the dispensing needle's installation position and angle.

[0068] Although some specific embodiments of the present application have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A dispensing mechanism, characterized in that: The dispensing mechanism includes: A support frame (11), wherein the support frame (11) is fixedly arranged; A main body (12), the main body (12) being rotatably connected to the support frame (11); the main body (12) having a first end and a second end arranged opposite to each other along a first direction; a dispensing needle (13), the dispensing needle (13) being connected to the main body (12) and being arranged near the first end thereof; A counterweight (14) is provided near the second end of the main body (12), and the counterweight (14) is at least partially movably connected to the main body (12) and can move relative to the main body (12) along a first direction so that the counterweight (14) is at least partially close to or away from the dispensing needle (13).

2. The dispensing mechanism according to claim 1, characterized in that: The counterweight member (14) includes a counterweight block (141) and a driver (142) connected to each other, wherein the counterweight block (141) is slidably connected to the main body (12), and the driver (142) can drive the counterweight block (141) to move along a first direction to approach or move away from the dispensing needle (13).

3. The dispensing mechanism according to claim 2, characterized in that: The main body (12) is provided with a sliding groove (120) extending along a first direction, the counterweight block (141) is at least partially disposed in the sliding groove (120), and the counterweight block (141) is connected to the sliding groove (120) in a sliding manner.

4. The dispensing mechanism according to claim 3, characterized in that: A guide groove (1200) extending along a first direction is provided on the side of the sliding groove (120), and a guide platform (1410) is protruding from the side of the counterweight block (141). The guide platform (1410) is embedded in the guide groove (1200), and the guide platform (1410) is connected to the guide groove (1200) in a sliding manner.

5. The dispensing mechanism according to claim 2, characterized in that: The driver (142) includes a driving body (1421) and a driving shaft (1422) connected to each other. The driving body (1421) is fixedly arranged. The driving shaft (1422) is connected to the counterweight (141). The driving shaft (1422) can move relative to the driving body (1421) and drive the counterweight (141) to move along a first direction.

6. The dispensing mechanism according to claim 5, characterized in that: The driving shaft (1422) is threadably connected to the counterweight (141).

7. The dispensing mechanism according to claim 5, characterized in that: The dispensing mechanism further comprises a fixing plate (15), the fixing plate (15) being connected to the second end of the main body (12), and the driving body (1421) being mounted on the fixing plate (15).

8. The dispensing mechanism according to claim 1, characterized in that: The dispensing mechanism further includes a limiting member (16), the limiting member (16) being connected to the support frame (11), and the limiting member (16) being arranged in a path in which the main body (12) rotates relative to the support frame (11).

9. A dispensing method for a dispensing mechanism according to any one of claims 1 to 8, characterized in that: The dispensing method comprises: According to a preset counterweight value of the dispensing needle (13), adjusting the minimum distance between the counterweight member (14) and the dispensing needle (13); The end of the dispensing needle (13) away from the main body (12) is brought into contact with the product to be dispensed and the dispensing operation is performed.

10. The dispensing method according to claim 9, characterized in that: Before adjusting the minimum distance between the counterweight member (14) and the dispensing needle (13) according to the preset counterweight value of the dispensing needle (13), the dispensing method further comprises: The installation position and installation angle of the dispensing needle (13) relative to the main body (12) are corrected.

Images