A gapless distance adjusting mechanism for coating

Abstract

The utility model discloses a kind of gapless distance adjusting mechanism for coating, comprising: reference plate, for installing spray valve device;Adjusting device, installed on reference plate, for adjusting the position of spray valve device;Gapless adjusting mechanism, for eliminating the gap generated in adjusting process.The utility model has the beneficial effects of, realizing the accurate fine adjustment of spray valve device, gapless, suitable for various accurate machining occasions, simple structure, convenient adjustment.

Description

Technical Field

[0001] This utility model relates to the field of coating machine technology, specifically to a backlash-free adjustment mechanism for coating. Background Technology

[0002] Traditional coating machines require multiple nozzles for simultaneous multi-plate coating. However, issues such as low nozzle spacing adjustment precision, back gaps, and insecure locking often lead to coating misalignment or unevenness, affecting product yield. Especially in the detail-oriented electronics manufacturing industry, traditional simple adjustment methods can no longer meet the demands of high-precision production. Therefore, there is an urgent need for a nozzle adjustment mechanism that can precisely fine-tune and effectively eliminate back gaps. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a backlash-free adjustment mechanism for coating, which enables precise micro-adjustment of the nozzle position, eliminates backlash, has a simple structure, and is easy to adjust.

[0004] Specifically, this utility model discloses a backlash-free adjusting mechanism for coating, comprising:

[0005] Reference plate, used to mount the spray valve assembly;

[0006] An adjustment device, mounted on a reference plate, is used to adjust the position of the spray valve assembly;

[0007] A backlash-free adjustment mechanism is used to eliminate the backlash generated during the adjustment process.

[0008] The advantages of adopting the above technical solution are that it enables precise fine-tuning of the spray valve device, eliminates backlash, is suitable for various precision machining applications, has a simple structure, and is easy to adjust.

[0009] Furthermore, the backlash-free adjustment mechanism includes: a driving nut, a following nut, a screw, and a spring. The screw is rotatably mounted on the reference plate. The driving nut and the following nut are both disposed on the screw. The spring is disposed between the driving nut and the following nut. The driving nut is fixed to the spray valve device.

[0010] The advantage of adopting the above technical solution is that the active nut drives the spray valve device to move, and the spring continuously provides preload to the active nut, so that there is no backlash during the adjustment process and the adjustment accuracy is high.

[0011] Furthermore, the spray valve device includes a movable plate, a lifting slide, a valve, and a nozzle. The valve is connected to the nozzle, and the lifting slide is connected to the movable plate and the valve, used to drive the valve to move up and down.

[0012] The advantage of adopting the above technical solution is that the setting of the lifting slide allows the nozzle and valve to have the freedom of lifting, making it suitable for various usage situations. The nozzle is set to spray out the coating liquid to realize the coating function.

[0013] Furthermore, the lifting slide is provided with a fixed plate and an adjusting plate. The fixed plate is connected to the lifting slide, and the adjusting plate is connected to the fixed plate and the valve for adjusting the pitch angle of the nozzle.

[0014] The advantage of adopting the above technical solution is that it enables fine adjustment of the nozzle pitch angle, making it suitable for different processing conditions.

[0015] Furthermore, the reference plate is provided with a horizontally arranged linear guide rail, and a slider is provided on the linear guide rail, and the spray valve device slides along the linear guide rail.

[0016] The advantage of adopting the above technical solution is that the linear guide rail is used to limit the movement position of the spray valve device, so that the spray valve device moves smoothly and at a consistent height.

[0017] Furthermore, the movable plate is provided with a locking element for locking and fixing with the reference plate, the reference plate is provided with a sliding groove, and the locking element is connected to a pressing block.

[0018] The advantage of adopting the above technical solution is that after the position adjustment of the spray valve device is completed, the position of the moving plate is fixed by setting a locking component, thereby preventing the spray valve device from moving during the processing.

[0019] Furthermore, a width adjustment knob is provided on the side of the screw for adjusting the rotation of the screw.

[0020] The advantage of adopting the above technical solution is that, during adjustment, only the position of the adjustment knob needs to be rotated to rotate the screw, which in turn drives the spray valve device to move.

[0021] Furthermore, the reference plate is equipped with a scale, and the movable plate is equipped with a movable piece, which moves with the movable plate and cooperates with the scale to display the position of the movable plate.

[0022] The advantage of adopting the above technical solution is that the movable plate is used to mark the position of the movable plate on the scale, so as to realize the precise adjustment of the spray valve device. At the same time, it can also know the accurate distance between the two nozzles to ensure the needs of use.

[0023] Furthermore, the adjusting plate is equipped with multiple set screws, which are locked inside the adjusting plate and abut against the surface of the fixing plate at their top.

[0024] The advantage of adopting the above technical solution is that the setting of the set screw is used to lift the upper and lower positions of the adjustment plate, so as to realize the adjustment of the pitch angle of the adjustment plate. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0026] Figure 1 This is a schematic diagram of the overall structure of the backlash-free adjusting mechanism for coating of this utility model.

[0027] Figure 2 This is a side view of the utility model.

[0028] Figure 3 This is a partial sectional view of the main view of this utility model.

[0029] The reference numerals used in the attached figures are as follows:

[0030] Reference plate 1; scale 11; movable plate 12; spray valve device 2; movable plate 21; lifting slide 22; valve 23; nozzle 24; fixed plate 25; adjusting plate 26; width adjustment knob 27; set screw 28; clamping block 29; adjusting device 3; backlash-free adjusting mechanism 4; driving nut 41; follower nut 42; screw 43; spring 44; linear guide rail 5; locking component 6. Detailed Implementation

[0031] The present invention will now be described in further detail with reference to the accompanying drawings.

[0032] like Figure 1-3 As shown, this utility model discloses a backlash-free adjusting mechanism for coating, comprising:

[0033] Reference plate 1, used to mount spray valve device 2;

[0034] Adjustment device 3, mounted on reference plate 1, is used to adjust the position of spray valve device 2;

[0035] The backlash-free adjustment mechanism 4 is used to eliminate the gap generated during the adjustment process.

[0036] The advantages of adopting the above technical solution are that it enables precise fine-tuning of the spray valve device 2, eliminates backlash, is suitable for various precision machining applications, has a simple structure, and is easy to adjust.

[0037] The backlash-free adjustment mechanism 4 includes: a driving nut 41, a follower nut 42, a screw 43, and a spring 44. The screw 43 is rotatably mounted on the reference plate 1. The driving nut 41 and the follower nut 42 are both mounted on the screw 43. The spring 44 is positioned between the driving nut 41 and the follower nut 42. The driving nut 41 is locked and fixed to the spray valve device 2, and the follower nut 42 is also locked and fixed to the spray valve device 2. The spring 44, located between the driving nut 41 and the follower nut 42, is always in a compressed state. The follower nut 42 and the spring form a continuous preload, ensuring that the driving nut 41 and the screw 43 always maintain positive pressure, eliminating the backlash problem that occurs when the rotation direction changes in traditional single-nut adjustment, and ensuring adjustment accuracy.

[0038] Furthermore, the spray valve device 2 includes a movable plate 21, a lifting slide 22, a valve 23, and a nozzle 24. The valve 23 is connected to the nozzle 24. The lifting slide 22 is connected to the movable plate 21 and the valve 23 and is used to drive the valve 23 to rise and fall. The lifting slide 22 can be a slide cylinder, with the movable plate 21 fixed on one side and the valve 23 fixed on the other side. The nozzle 24 is an atomizing nozzle and is set at the bottom of the valve 23. The valve 23 is provided with a liquid inlet for introducing coating liquid to realize the coating function.

[0039] In addition, the lifting slide 22 is equipped with a fixed plate 25 and an adjusting plate 26. The fixed plate 25 is fixedly installed on the lifting slide 22. The four corners of the adjusting plate 26 have through holes and are secured to the fixed plate 25 with screws. The adjusting plate 26 also has four threaded holes distributed thereon, each with a set screw 28. When a fine adjustment of the pitch angle of the adjusting plate 26 is required, simply tighten the upper or lower set screw 28 simultaneously. There is a certain gap between the upper or lower side of the adjusting plate 26 and the fixed plate 25, thus achieving the adjustment of the pitch angle. After adjustment, the through holes have a sufficiently large diameter to ensure that the adjusting plate 26 and the fixed plate 25 can be locked together. The valve 23 is fixedly installed on the adjusting plate 26.

[0040] In some implementations, the reference plate 1 is provided with a horizontally arranged linear guide rail 5, and a slider is provided on the linear guide rail 5. The spray valve device 2 slides along the linear guide rail 5. The linear guide rail 5 is horizontally fixedly installed on the reference plate 1, and the slider slides on the linear guide rail 5.

[0041] Furthermore, the movable plate 21 is equipped with a locking element 6 for locking and fixing to the reference plate 1. The reference plate 1 is provided with a sliding groove. The locking element 6 is connected to a pressing block 29. The locking element 6 is a wing bolt, the tail of which passes through the movable plate 21, the pressing block 29, and the sliding groove. Rotating the head increases the distance between the pressing block 29 and the movable plate 21, pressing the pressing block 29 against the surface of the sliding groove, thus fixing the position of the movable plate 21. Reverse rotation decreases the distance between the pressing block 29 and the movable plate 21, creating a certain gap between the pressing block 29 and the surface of the reference plate 1. At this time, the movable plate 21 can be moved back and forth for adjustment. When it is necessary to adjust the gap between the two spray valve devices 2, one of the spray valve devices 2 is directly fixed on the reference plate 1 without being connected to the screw. Adjusting only the other one can control the distance between the two spray valve devices 2.

[0042] In some implementations, a scale 11 is mounted on the reference plate 1, which has distance markings and numerical representations. A movable plate 21 is mounted with a movable piece 12, which is fixedly mounted on the side of the movable plate 21. The movable piece 12 is a thin sheet with its side positioned above the scale 11. The position of the movable piece 12 indicates the position of the movable plate 21. Each movable piece 12 points to a number. The distance between the two spray valve devices 2 can be determined by calculating the position difference between two movable pieces 12, which facilitates distance adjustment.

[0043] In some implementations, a width adjustment knob 27 is provided on the side of the screw 43 for adjusting the rotation of the screw 43. The two sides of the screw 43 are rotatably fixed on the reference plate 1 through bearing seats. The width adjustment knob 27 is fixedly installed on the side of the screw 43. By rotating the width adjustment knob 27 in the forward or reverse direction, the forward or reverse movement of the screw 43 is realized, which drives the moving plate 21 to move left and right, thereby realizing the position adjustment of the spray valve device 2.

[0044] During the adjustment process, the width adjustment knob 27 is rotated as needed, and the screw 43 is rotated by the width adjustment knob 27. At this time, the spray valve device 2 fixed on the reference plate will not move, while the spray valve device 2 connected to the screw will move along the linear guide rail 5. The distance between the two spray valve devices 2 can be known by the position value indicated by the moving piece 12. During the adjustment process, the active nut 41 and the follower nut 42 are always provided with preload by the spring 44, which reduces the backlash generated when the nut and the screw 43 rotate, and achieves backlash-free precise adjustment. The structure is simple and the adjustment is convenient.

[0045] For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A backlash-free adjusting mechanism for coating, characterized in that, include: Reference plate (1) is used to install spray valve device (2); Adjustment device (3), installed on reference plate (1), is used to adjust the position of spray valve device (2); A backlash-free adjustment mechanism (4) is used to eliminate the gap generated during the adjustment process.

2. The backlash-free adjusting mechanism for coating according to claim 1, characterized in that, The backlash-free adjustment mechanism (4) includes: an active nut (41), a follower nut (42), a screw (43), and a spring (44). The screw (43) is rotatably mounted on the reference plate (1). The active nut (41) and the follower nut (42) are both located on the screw (43). The spring (44) is located between the active nut (41) and the follower nut (42). The active nut (41) is fixed to the spray valve device (2).

3. The backlash-free adjusting mechanism for coating according to claim 1, characterized in that, The spray valve device (2) includes a movable plate (21), a lifting slide (22), a valve (23) and a nozzle (24). The valve (23) is connected to the nozzle (24), and the lifting slide (22) is connected to the movable plate (21) and the valve (23) to drive the valve (23) to rise and fall.

4. The backlash-free adjusting mechanism for coating according to claim 3, characterized in that, The lifting slide (22) is provided with a fixed plate (25) and an adjusting plate (26). The fixed plate (25) is connected to the lifting slide (22), and the adjusting plate (26) is connected to the fixed plate (25) and the valve (23) for adjusting the pitch angle of the nozzle (24).

5. The backlash-free adjusting mechanism for coating according to claim 1, characterized in that, The reference plate (1) is provided with a horizontally arranged linear guide rail (5), and a slider is provided on the linear guide rail (5). The spray valve device (2) slides along the linear guide rail (5).

6. The backlash-free adjusting mechanism for coating according to claim 3, characterized in that, The movable plate (21) is provided with a locking member (6) for locking and fixing with the reference plate (1). The reference plate (1) is provided with a sliding groove. The locking member (6) is connected to a pressing block (29).

7. The backlash-free adjusting mechanism for coating according to claim 2, characterized in that, The screw (43) is provided with a width adjustment knob (27) on its side for adjusting the rotation of the screw (43).

8. The backlash-free adjusting mechanism for coating according to claim 3, characterized in that, The reference plate (1) is equipped with a scale (11), and the movable plate (21) is equipped with a movable piece (12). The movable piece (12) moves with the movable plate (21) and cooperates with the scale (11) to display the position of the movable plate (21).

9. The backlash-free adjusting mechanism for coating according to claim 4, characterized in that, The adjusting plate (26) is equipped with a plurality of set screws (28), which are locked inside the adjusting plate (26) and their tops abut against the surface of the fixing plate (25).

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