Three-degree-of-freedom air knife adjusting mechanism

Abstract

The utility model relates to a three-degree-of-freedom air knife adjusting mechanism which is arranged at the end of an air knife rotating shaft. The device comprises a Z-direction displacement scale platform, a Z-direction displacement platform which translates and slides on the Z-direction displacement scale platform along the Z direction, a Y-direction displacement scale platform which translates and slides on the Z-direction displacement platform along the Y direction, and an X-direction rotation scale platform which is fixedly arranged at the side part of the Y-direction displacement scale platform, the air knife rotating shaft is rotationally embedded in the Y-direction displacement scale platform and the X-direction rotating scale platform; the side part of the Z-direction displacement platform is fixedly provided with a Y-direction displacement pointer sheet and a Z-direction displacement pointer sheet, and the side edge and the free end of the Z-direction displacement platform correspond to the displacement dial gauges on the Z-direction displacement scale platform and the Y-direction displacement scale platform respectively; and an X-direction rotating pointer sheet is arranged at the end part of the air knife rotating shaft, corresponds to a rotating dial gauge on the X-direction rotating scale platform and is used for indicating an X-direction rotating scale value. The three-degree-of-freedom air knife adjusting mechanism is simple in structure, convenient to adjust and operate and high in adjusting precision.

Description

Technical Field

[0001] This utility model relates to the technical field of slot coating equipment, and in particular to an air knife adjustment mechanism that is adjustable in three degrees of freedom. Background Technology

[0002] In the design of organic chemical coating processes, the position and angle of the air knife in slit coating equipment need to be considered. This requires precise control of the air knife nozzle height, the distance between the nozzle and the liquid outlet head, and the air nozzle angle. Therefore, the air knife needs to be independently adjustable in three degrees of freedom. Thus, there is an urgent need for a three-degree-of-freedom air knife adjustment mechanism that is simple in structure, easy to operate, and has high adjustment accuracy. Summary of the Invention

[0003] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a three-degree-of-freedom air knife adjustment mechanism that is simple in structure, convenient in operation, and has high adjustment accuracy.

[0004] The purpose of this utility model is achieved as follows:

[0005] A three-degree-of-freedom air knife adjustment mechanism is disposed at the end of the air knife rotating shaft, comprising a Z-axis displacement scale platform, a Z-axis displacement platform that slides along the Z-axis on the Z-axis displacement scale platform, a Y-axis displacement scale platform that slides along the Y-axis on the Z-axis displacement platform, and an X-axis rotation scale platform fixed to the side of the Y-axis displacement scale platform; the air knife rotating shaft is rotatably embedded in the Y-axis displacement scale platform and the X-axis rotation scale platform;

[0006] The Z-axis displacement platform is fixedly equipped with a YZ-axis displacement pointer piece, the side and free end of which correspond to the displacement scale on the Z-axis displacement scale platform and the Y-axis displacement scale platform, respectively, and are used to indicate the Z-axis displacement scale value and the Y-axis displacement scale value, respectively; an X-axis rotation pointer piece is provided at the end of the air knife shaft, which corresponds to the rotation scale on the X-axis rotation scale platform and is used to indicate the X-axis rotation scale value.

[0007] A Z-axis locking device is installed between the Z-axis displacement scale platform and the Z-axis displacement platform; a Y-axis locking device is installed between the Z-axis displacement platform and the Y-axis displacement scale platform; and an X-axis locking device is installed between the X-axis rotation scale platform and the air knife shaft. These devices are used to lock the positions in the Z, Y, and X directions, respectively.

[0008] Furthermore, the Z-axis displacement platform is provided with a guide hole, and the Y-axis displacement scale platform is equipped with a Y-axis displacement sliding shaft; the Y-axis displacement sliding shaft is slidably embedded in the guide hole of the Z-axis displacement platform.

[0009] Further, the Y-direction displacement reinforcing top wire is arranged on the inner wall of the guide hole of the Z-direction displacement platform, and is used for adjusting the tightness and reinforcing of the Y-direction displacement sliding shaft.

[0010] Further, the Z-direction locking device comprises a Z-direction long waist hole arranged on the Z-direction displacement scale platform, and a Z-direction displacement fastening bolt arranged on the Z-direction displacement platform and embedded in the Z-direction long waist hole.

[0011] Further, the Y-direction locking device comprises a Y-direction displacement adjusting bolt rotatably embedded in the through hole of the Z-direction displacement platform, a Y-direction displacement fastening nut rotatably sleeved on the Y-direction displacement adjusting bolt, and a threaded hole arranged on the Y-direction displacement scale platform; the free end of the Y-direction displacement adjusting bolt is rotatably threaded in the threaded hole of the Y-direction displacement scale platform.

[0012] Further, the X-direction locking device comprises an X-direction rotation rotation platform arranged on the X-direction rotation scale platform, and an X-direction rotation fastening bolt rotatably arranged on the X-direction rotation rotation platform; the air knife rotating shaft is rotatably arranged in the X-direction rotation rotation platform, and the tightness of the air knife rotating shaft is controlled by adjusting the X-direction rotation fastening bolt.

[0013] Compared with the prior art, the air knife adjusting mechanism has the following beneficial effects:

[0014] The Z-direction displacement scale platform, the Z-direction displacement platform, the Y-direction displacement scale platform 8 and the X-direction rotation scale platform 9 are sequentially and cooperatively connected at the end of the air knife rotating shaft, so that the air knife rotating shaft can be adjusted in the X-direction rotation, the Y-direction translation and the Z-direction translation, the accurate adjustment control in three directions is met, the overall structure is simple, the adjustment operation is convenient, the adjustment precision is high, and the demand for air knife position adjustment during slit coating equipment production is met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 FIG. 1 is a structural schematic view of the three-degree-of-freedom air knife adjusting mechanism of the utility model.

[0016] Fig. 2 FIG. 2 is a side view structural schematic view of the three-degree-of-freedom air knife adjusting mechanism of the utility model.

[0017] Fig. 3 FIG. 3 is a front view structural schematic view of the three-degree-of-freedom air knife adjusting mechanism of the utility model.

[0018] Among them:

[0019] Z direction displacement fastening bolt 1, air knife 2, Z direction displacement platform 3, Z direction displacement scale platform 4, Y direction displacement adjusting bolt 5, YZ direction displacement pointer piece 6, Y direction displacement fastening nut 7, Y direction displacement scale platform 8, X direction rotation scale platform 9, Y direction displacement sliding shaft 10, Y direction displacement reinforcing top wire 11, X direction rotation pointer piece 12, X direction rotation fastening bolt 13, X direction rotation platform 14, Z direction long waist hole 15. DETAILED DESCRIPTION

[0020] Referring to Figs. 1-3 The three-degree-of-freedom air knife adjusting mechanism is arranged at the end of the rotating shaft of the air knife 2, and comprises a Z direction displacement scale platform 4, a Z direction displacement platform 3 which is slidably arranged on the Z direction displacement scale platform 4 along the Z direction, a Y direction displacement scale platform 8 which is slidably arranged on the Z direction displacement platform 3 along the Y direction, and an X direction rotation scale platform 9 which is fixedly arranged on the side of the Y direction displacement scale platform 8.

[0021] The Z direction displacement platform 3 is provided with a guide hole, and the Y direction displacement scale platform 8 is provided with a Y direction displacement sliding shaft 10; the Y direction displacement sliding shaft 10 is slidably arranged in the guide hole of the Z direction displacement platform 3; the Y direction displacement reinforcing top wire 11 is arranged and fixed on the inner side wall of the guide hole of the Z direction displacement platform 3, and is used for adjusting the tightness and reinforcement of the sliding of the Y direction displacement sliding shaft 10.

[0022] The Z direction displacement platform 3 is provided with a guide hole, and the Y direction displacement scale platform 8 is provided with a Y direction displacement sliding shaft 10; the Y direction displacement sliding shaft 10 is slidably arranged in the guide hole of the Z direction displacement platform 3; the Y direction displacement reinforcing top wire 11 is arranged and fixed on the inner side wall of the guide hole of the Z direction displacement platform 3, and is used for adjusting the tightness and reinforcement of the sliding of the Y direction displacement sliding shaft 10.

[0023] The Z direction displacement scale platform 4 and the Z direction displacement platform 3 are provided with a Z direction locking device, the Z direction displacement platform 3 and the Y direction displacement scale platform 8 are provided with a Y direction locking device, and the X direction rotation scale platform 9 and the rotating shaft of the air knife 2 are provided with an X direction locking device, which are respectively used for locking the positions in the Z, Y and X directions.

[0024] Specifically, the Z-direction locking device comprises a Z-direction long waist hole 15 arranged on the Z-direction displacement scale platform 4 and a Z-direction displacement fastening bolt 1 rotatably arranged on the Z-direction displacement platform 3 and embedded in the Z-direction long waist hole 15. Three Z-direction displacement fastening bolts 1 are arranged in parallel. Loosen all the Z-direction displacement fastening bolts 1, and then the Z-direction displacement platform 3 can be translated along the slide rail on the Z-direction displacement scale platform 4, thereby driving the end of the air knife 2 to be translated in the Z-direction. After moving to the position, the Z-direction displacement fastening bolts 1 are locked, and the independent adjustment in the Z-direction is completed.

[0025] The Y-direction locking device comprises a Y-direction displacement adjustment bolt 5 rotatably embedded in a through hole on the Z-direction displacement platform 3, a Y-direction displacement fastening nut 7 rotatably sleeved on the Y-direction displacement adjustment bolt 5, and a threaded hole arranged on the Y-direction displacement scale platform 8. The free end of the Y-direction displacement adjustment bolt 5 is threadedly rotatably arranged in the threaded hole of the Y-direction displacement scale platform 8. Loosen the Y-direction displacement reinforcing top pin 11, so that the Y-direction displacement sliding shaft 10 can freely slide in the Y-direction. Loosen the Y-direction displacement fastening nut 7, so that the Y-direction displacement adjustment bolt 5 can be adjusted. By controlling the forward rotation or reverse rotation of the Y-direction displacement adjustment bolt 5, the Y-direction displacement scale platform 8 can be adjusted to slide in the Y-direction, thereby driving the end of the air knife 2 to slide in the Y-direction. After moving to the position, the Y-direction displacement fastening nut 7 is locked to prevent the Y-direction displacement adjustment bolt 5 from loosening. The Y-direction displacement reinforcing top pin 11 is locked to further reinforce the position of the Y-direction displacement sliding shaft 10, and the independent adjustment in the Y-direction is completed.

[0026] The X-direction locking device comprises an X-direction rotating rotation platform 14 arranged on the X-direction rotating scale platform 9 and an X-direction rotating fastening bolt 13 rotatably arranged on the X-direction rotating rotation platform 14. The rotating shaft of the air knife 2 is rotatably arranged in the X-direction rotating rotation platform 14, and the tightness of the rotating shaft of the air knife 2 is controlled by adjusting the X-direction rotating fastening bolt 13. Loosen the X-direction rotating fastening bolt 13, so that the rotating shaft of the air knife 2 can be rotated. After rotating to the position, the X-direction rotating fastening bolt 13 is locked, and the rotating adjustment in the X-direction is completed.

[0027] One set of three-degree-of-freedom air knife adjustment mechanism is arranged at each end of the rotating shaft of the air knife 2. The X, Y and Z directions of the two ends of the rotating shaft of the air knife 2 are independently adjusted by the two sets of three-degree-of-freedom air knife adjustment mechanisms. The position scale in each direction is used to realize the accurate control of the working posture of the air knife 2, so as to meet the requirements of the position and angle of the air knife blowing of the slot coating equipment during coating. The overall structure is simple, the adjustment operation is convenient, the adjustment precision is high, and the slot coating production requirements are met.

[0028] In addition, it should be noted that the above specific embodiments are only one optimization scheme of the patent, and any changes or improvements made by those skilled in the art based on the above concept are within the protection scope of the patent.

Claims

1. A three-degree-of-freedom air-knife adjustment mechanism, arranged at the end of the rotation shaft of an air-knife (2), characterized in that: The device comprises a Z-direction displacement scale platform (4), a Z-direction displacement platform (3) sliding along the Z-direction on the Z-direction displacement scale platform (4), a Y-direction displacement scale platform (8) sliding along the Y-direction on the Z-direction displacement platform (3), and an X-direction rotation scale platform (9) fixed on the side of the Y-direction displacement scale platform (8); the rotating shaft of the air knife (2) is embedded in the Y-direction displacement scale platform (8) and the X-direction rotation scale platform (9). The side of the Z-direction displacement platform (3) is fixed with a YZ-direction displacement pointer piece (6), the side edge and the free end of which correspond to the displacement scale tables on the Z-direction displacement scale platform (4) and the Y-direction displacement scale platform (8) respectively, and are used for indicating the Z-direction displacement scale value and the Y-direction displacement scale value respectively; the X-direction rotation pointer piece (12) is arranged at the end of the rotating shaft of the air knife (2), and corresponds to the rotation scale table on the X-direction rotation scale platform (9), and is used for indicating the X-direction rotation scale value. The Z-direction locking device is arranged between the Z-direction displacement scale platform (4) and the Z-direction displacement platform (3), the Y-direction locking device is arranged between the Z-direction displacement platform (3) and the Y-direction displacement scale platform (8), and the X-direction locking device is arranged between the X-direction rotation scale platform (9) and the rotating shaft of the air knife (2), and is used for locking the positions in the Z, Y and X directions respectively.

2. The three degree of freedom air knife adjustment mechanism of claim 1, wherein: The Z-direction displacement platform (3) is provided with a guide hole, and the Y-direction displacement sliding shaft (10) is arranged on the Y-direction displacement scale platform (8); the Y-direction displacement sliding shaft (10) is slidingly embedded in the guide hole of the Z-direction displacement platform (3).

3. The three degree of freedom air knife adjustment mechanism of claim 2, wherein: The Y-direction displacement reinforcing top wire (11) is arranged on the inner side wall of the guide hole of the Z-direction displacement platform (3), and is used for adjusting the tightness and reinforcement of the sliding of the Y-direction displacement sliding shaft (10).

4. The three degree of freedom air knife adjustment mechanism of claim 1, wherein: The Z-direction locking device comprises a Z-direction long waist hole (15) arranged on the Z-direction displacement scale platform (4) and a Z-direction displacement fastening bolt (1) arranged on the Z-direction displacement platform (3) and embedded in the Z-direction long waist hole (15).

5. The three degree of freedom air knife adjustment mechanism of claim 1, wherein: The Y-direction locking device comprises a Y-direction displacement adjusting bolt (5) rotatingly embedded in the through hole of the Z-direction displacement platform (3), a Y-direction displacement fastening nut (7) sleeved on the Y-direction displacement adjusting bolt (5), and a threaded hole arranged on the Y-direction displacement scale platform (8); the free end of the Y-direction displacement adjusting bolt (5) is threadedly arranged in the threaded hole of the Y-direction displacement scale platform (8).

6. The three degree of freedom air knife adjustment mechanism of claim 1, wherein: The X-direction locking device comprises an X-direction rotation rotating platform (14) arranged on the X-direction rotation scale platform (9) and an X-direction rotation fastening bolt (13) arranged on the X-direction rotation rotating platform (14); the rotating shaft of the air knife (2) is arranged in the X-direction rotation rotating platform (14), and the tightness of the rotating shaft of the air knife (2) is controlled by adjusting the X-direction rotation fastening bolt (13).

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