Angle adjusting device for air knife

Abstract

The utility model relates to the technical field of COF (chip on film) winding tape packaging, and discloses an angle adjusting device for an air knife, which is arranged on a stand column fixedly mounted on the upper surface of a conveyor, a COF winding tape is further arranged on the conveyor, the angle adjusting device comprises an air knife body, a clamping seat is fixedly mounted on the stand column, a connecting assembly and an operating assembly are further arranged on the stand column, and the connecting assembly and the operating assembly are arranged on the air knife body. The connecting assembly comprises a connecting main shaft which is fixedly connected with the air knife body and rotationally connected with the stand column. According to the angle adjusting device for the air knife, the air knife body is connected to the stand column through the connecting assembly, so that a user can adjust the angle of the air knife body through the operation assembly to meet the actual use requirement, a pointer and an angle measuring plate in the connecting assembly are matched with each other, and the rotating angle of the air knife body can be observed in real time; the angle of the air knife body is precisely adjustable and visible, and the purposes of optimizing airflow distribution, improving packaging precision, reducing physical damage and the like are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to COF roll belt packaging technical field, concretely is angle adjusting device for air knife. BACKGROUND

[0002] COF, commonly known as the thin film of the die, is the die soft film packaging technology that the integrated circuit is fixed on the flexible circuit board, and the chip and the soft base circuit are combined by using the soft additional circuit board as the packaging chip carrier.

[0003] In the COF roll belt packaging, the air knife is mainly used for removing the moisture, dust and impurities generated in the packaging process, and cooling, drying and curing the packaging material, and in actual use, in order to optimize the air distribution, improve the packaging precision and reduce the physical damage, and adapt to different process requirements, ensure the packaging quality and product performance, the air knife angle needs to be adjusted, and therefore we provide a height-adjustable air knife structure to achieve the above purpose. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides an angle adjusting device for air knife, which solves the problems mentioned in the above background.

[0005] The utility model provides following technical scheme: an angle adjusting device for air knife is established on the stand column fixedly installed on the upper surface of conveyer, and the conveyer is also provided with COF roll belt, and it comprises: air knife body, the stand column is fixedly installed with clamping seat, the stand column is also provided with connecting assembly and operating assembly, the connecting assembly includes connecting main shaft fixedly connected with air knife body and rotatably connected with stand column, connecting auxiliary shaft fixedly installed on the side of air knife body away from connecting main shaft, pointer fixedly installed on the end of stand column through connecting auxiliary shaft, protractor fixedly installed on the side of stand column close to pointer, and auxiliary connecting gear and main connecting gear rotatably arranged in the interior of stand column, the operating assembly includes knob, ring gear, transmission shaft and transmission gear rotatably arranged on stand column, the operating assembly further includes first square rod fixedly arranged on transmission shaft, friction plate slidably connected with first square rod, reset spring fixedly connected with friction plate and transmission shaft at both ends, second square rod fixedly connected with transmission gear, threaded rod slidably connected with second square rod, fixed nut fixedly installed on the side wall of the inner chamber of stand column, mounting seat fixedly installed on the end of threaded rod close to friction plate, and movable ball bearing movably arranged on mounting seat.

[0006] Preferably, the auxiliary connecting gear is fixedly connected with the end of the connecting main shaft away from the air knife body, and the auxiliary connecting gear is also meshingly and drivingly connected with the main connecting gear.

[0007] Preferably, the protractor is engraved with a scale for measuring the angle size, and the pointer is located on the zero scale line in the initial state.

[0008] Preferably, one end of the transmission shaft is fixedly connected with the main connecting gear, and the other end of the transmission shaft is fixedly connected with the knob.

[0009] Preferably, the annular gear is provided with a convex ring on the side surface of the column, and the convex ring is provided with anti-skid lines.

[0010] Preferably, the transmission gear is provided with two, and the two transmission gears are in meshing transmission connection with the annular gear.

[0011] Preferably, the friction plate is located at the internal cavity of the column, and the friction plate is provided with friction lines for enhancing the friction between the column on the side surface close to the movable ball.

[0012] Preferably, the second square rod is provided with a limiting block on the internal end of the threaded rod, and the limiting block is also in sliding connection with the threaded rod.

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

[0014] 1. The angle adjusting device for the air knife, by setting the connecting assembly to connect the air knife body on the column, so that the user can adjust the angle of the air knife body by using the operation assembly to meet the actual use requirement, and the pointer and the protractor in the connecting assembly cooperate with each other, the rotation angle of the air knife body can be observed in real time, so that the angle of the air knife body can be accurately adjusted and observed, and the purpose of optimizing airflow distribution, improving packaging precision and reducing physical damage is achieved.

[0015] 2. The angle adjusting device for the air knife, by the friction force generated by the friction plate in the operation assembly, the structure contained is locked, and unexpected movement is avoided, so as to improve the stability of the air knife body, avoid the phenomenon of angle deviation of the air knife body during operation, and further improve the performance of the whole device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a first cut schematic view of the column structure of the utility model;

[0018] Figure 3 It is a second cut schematic view of the column structure of the utility model;

[0019] Figure 4 It is a cut schematic view of the local structure of the utility model;

[0020] Figure 5 The explosion drawing of the threaded rod structure of the utility model;

[0021] Figure 6 The explosion drawing of the reset spring structure of the utility model.

[0022] In the drawing: 1, conveyor; 2, COF tape; 3, air knife body; 4, stand; 5, clamping seat; 6, connecting assembly; 61, connecting main shaft; 62, connecting auxiliary shaft; 63, pointer; 64, protractor; 65, auxiliary connecting gear; 66, main connecting gear; 7, operating assembly; 71, knob; 72, ring gear; 73, friction plate; 74, transmission shaft; 75, first square rod; 76, reset spring; 77, transmission gear; 78, threaded rod; 79, fixed nut; 710, second square rod; 711, mounting seat; 712, movable ball. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-6 An angle adjusting device for an air knife is arranged on a stand 4 fixedly installed on the upper surface of a conveyor 1, and the conveyor 1 is further provided with a COF tape 2. The angle adjusting device comprises an air knife body 3, the stand 4 is fixedly installed with a clamping seat 5, the arrangement of the clamping seat 5 can reserve a certain length of air pipe between the clamping seat 5 and the air knife body 3, so as to avoid that the air pipe affects the normal rotation of the air knife body 3 when the angle of the air knife body 3 is adjusted, the stand 4 is further provided with a connecting assembly 6 and an operating assembly 7, the connecting assembly 6 comprises a connecting main shaft 61 fixedly connected with the air knife body 3 and rotationally connected with the stand 4, a connecting auxiliary shaft 62 fixedly installed on the side of the air knife body 3 away from the connecting main shaft 61, a pointer 63 fixedly installed at the end of the connecting auxiliary shaft 62 penetrating through the stand 4, a protractor 64 fixedly installed on the side of the stand 4 close to the pointer 63, and an auxiliary connecting gear 65 and a main connecting gear 66 rotationally arranged in the stand 4; the auxiliary connecting gear 65 is fixedly connected with the end of the connecting main shaft 61 away from the air knife body 3, and the auxiliary connecting gear 65 is further in meshing transmission connection with the main connecting gear 66, the protractor 64 is engraved with a scale table for measuring the angle size, in the initial state, the pointer 63 is located on the zero scale line in the scale table, and the above designs can facilitate the user to more intuitively observe the rotation angle of the air knife body 3.

[0025] The operation assembly 7 comprises a knob 71 rotatably arranged on the stand 4, an annular gear 72, a transmission shaft 74 and a transmission gear 77, and further comprises a first square rod 75 fixedly arranged on the transmission shaft 74, a friction plate 73 in sliding connection with the first square rod 75, a reset spring 76 fixedly connected at two ends with the friction plate 73 and the transmission shaft 74 respectively, a second square rod 710 fixedly connected with the transmission gear 77, a threaded rod 78 in sliding connection with the second square rod 710, a fixed nut 79 fixedly installed on the side wall of the inner cavity of the stand 4, a mounting seat 711 fixedly installed on the threaded rod 78 close to the end portion of the friction plate 73, and a movable ball 712 movably arranged on the mounting seat 711, one end of the transmission shaft 74 is fixedly connected with the main connecting gear 66, and the other end of the transmission shaft 74 is fixedly connected with the knob 71, the annular gear 72 passes through a protruding ring arranged on the side surface of the stand 4, and the protruding ring is provided with anti-skid lines, which facilitates the actual adjustment steps, the transmission gear 77 is provided with two, both of which are in meshing transmission connection with the annular gear 72, the friction plate 73 is located at the inner cavity of the stand 4, and the side surface of the friction plate 73 close to the movable ball 712 is provided with friction lines for enhancing the friction with the stand 4, the second square rod 710 is provided with a limiting block on the inner end portion of the threaded rod 78, and the limiting block is also in sliding connection with the threaded rod 78, the design of the limiting block can avoid the threaded rod 78 from being separated, thereby improving the stability of the overall structure.

[0026] When the angle of the air knife body 3 needs to be adjusted, the annular gear 72 is first rotated on the stand 4 by the protruding ring on the annular gear 72, and the transmission gear 77 engaged with the annular gear 72 is synchronously rotated inside the stand 4, because the second square rod 710 fixed on the transmission gear 77 is in sliding connection with the threaded rod 78, and the threaded rod 78 is in threaded connection with the fixed nut 79 fixed inside the stand 4, therefore, after the transmission gear 77 rotates, the threaded rod 78 rotates by itself while also sliding the mounting seat 711 at the end of the threaded rod 78 towards the friction plate 73, and the movable ball 712 movably arranged on the mounting seat 711 is in contact with the friction plate 73, so that the friction plate 73 slides on the first square rod 75, at this time, a gap is generated between the friction plate 73 and the stand 4, and then the knob 71 is rotated, the transmission shaft 74 fixedly connected with the knob 71, the first square rod 75 arranged on the transmission shaft 74 and the friction plate 73 are synchronously rotated inside the stand 4, the main connecting gear 66 is further fixedly connected with the other end of the transmission shaft 74, and the main connecting gear 66 is further engaged with the auxiliary connecting gear 65, the connecting main shaft 61 fixed on the auxiliary connecting gear 65 is in rotating connection with the stand 4 and is further fixedly connected with the air knife body 3, therefore, after the knob 71 is rotated, the connecting main shaft 61 drives the air knife body 3 to synchronously rotate, and the connecting auxiliary shaft 62 is fixed on the other side of the air knife body 3, the pointer 63 is fixed on the end of the connecting auxiliary shaft 62, the angle scale 64 is arranged on the side of the stand 4, and thus the position of the pointer 63 on the angle scale 64 can be observed, the angle of the air knife body 3 is adjusted to meet the actual use requirement, and then the annular gear 72 is reversely rotated, the transmission gear 77 is reversely rotated, and then the threaded rod 78, the mounting seat 711 and the movable ball 712 are retracted and do not contact the friction plate 73, the friction plate 73 is further connected with the transmission shaft 74 by the return spring 76, so that the gap between the friction plate 73 and the stand 4 is eliminated under the elastic force of the return spring 76, the friction plate 73 is in close contact with the stand 4, the friction lines on the side of the friction plate 73 can cooperate with the stand 4, a friction force limiting the rotation of the transmission shaft 74, the main connecting gear 66 and other structures is formed, and the purpose of locking the state of the air knife body 3 is achieved.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An angle adjusting device for a wind knife, which is arranged on a stand (4) fixedly installed on the upper surface of a conveyor (1), and the conveyor (1) is also provided with a COF winding belt (2), characterized in that, The utility model relates to a kind of wind blade, including: The stand (4) is additionally provided with connecting assembly (6) and operating assembly (7), the connecting assembly (6) includes the connecting main shaft (61) being fixedly connected with the wind blade body (3) and being rotatably connected with the stand (4), the connecting auxiliary shaft (62) being fixedly installed on the side of wind blade body (3) away from the connecting main shaft (61), the pointer (63) being fixedly installed on the connecting auxiliary shaft (62) and passing through the end of stand (4), the protractor (64) being fixedly installed on the side of stand (4) close to pointer (63), and the auxiliary connecting gear (65) and main connecting gear (66) being rotatably arranged in the inside of stand (4); The operating assembly (7) includes the knob (71) being rotatably arranged on the stand (4), annular gear (72), transmission shaft (74) and transmission gear (77), the operating assembly (7) further includes the first square bar (75) being fixedly arranged on transmission shaft (74), the friction plate (73) being slidably connected with the first square bar (75), the reset spring (76) being fixedly connected with the friction plate (73) and transmission shaft (74) at both ends respectively, the second square bar (710) being fixedly connected with transmission gear (77), the threaded rod (78) being slidably connected with the second square bar (710), the fixed nut (79) being fixedly installed on the side wall of the inner cavity of stand (4), the mounting seat (711) being fixedly installed on the end of threaded rod (78) close to friction plate (73), and the movable ball (712) being movably arranged on the mounting seat (711).

2. The angle adjustment device for a air knife according to claim 1, wherein, The auxiliary connecting gear (65) is fixedly connected with the end of connecting main shaft (61) away from the wind blade body (3), and the auxiliary connecting gear (65) is also meshingly and drivingly connected with the main connecting gear (66).

3. The angle adjustment device for a air knife according to claim 1, wherein The protractor (64) is engraved with a scale table for measuring the size of angle, and in the initial state, the pointer (63) is located on the zero scale line of the scale table.

4. The angle adjustment device for a air knife according to claim 1, wherein One end of the transmission shaft (74) is fixedly connected with the main connecting gear (66), and the other end of the transmission shaft (74) is fixedly connected with the knob (71).

5. The angle adjustment device for a air knife according to claim 1, wherein, The annular gear (72) is provided with a raised ring on the side surface of the stand (4), and the raised ring is provided with anti-skid lines.

6. The angle adjustment device for a air knife according to claim 1, wherein, The transmission gear (77) is provided with two, and the two transmission gears (77) are meshingly and drivingly connected with the annular gear (72).

7. The angle adjustment device for a air knife according to claim 1, wherein The friction plate (73) is located at the inside cavity of the stand (4), and the side of the friction plate (73) close to the movable ball (712) is provided with friction lines for enhancing the friction between the stand (4).

8. The angle adjustment device for a air knife according to claim 1, wherein, The second square bar (710) is provided with a limiting block on the inside end of the threaded rod (78), and the limiting block is also slidably connected with the threaded rod (78).

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