Automatic circulating drying device for musical instrument timber

Abstract

The utility model belongs to the technical field of drying devices, and particularly relates to an automatic circulating drying device for musical instrument timber, which comprises a drying box, the upper end of the drying box is in contact with a box cover, the left end and the right end of the drying box are jointly provided with a circulating pipe, the lower end of the drying box is provided with an axial flow fan, and the axial flow fan is fixedly connected with the circulating pipe. A drying box is arranged at the lower end of the drying box and located on the right side of the axial flow fan, and the drying box is fixedly connected with the circulating pipe. Under the action of structures such as the servo motor and the winding wheel, a pull wire can be wound to pull the box cover to move and automatically lift and open the box cover for use, under the action of the guide plate, the movement problem of the box cover can be ensured, and under the action of structures such as the belt pulley I, the belt pulley II and the triangular belt, the box cover can be automatically lifted and opened for use. The rotating centrifugal force of the output shaft of the servo motor can be counteracted, and the shaking problem of the output shaft of the servo motor is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of drying devices, in particular to an automatic circulation drying device for musical instrument wood. Background Art

[0002] As we all know, the automatic circulation drying device for musical instrument wood is a device used to dry the wood used in the production of musical instruments. It can control parameters such as temperature, humidity and ventilation to achieve a fast, uniform and stable drying process of the wood.

[0003] The utility model patent with announcement number CN212109252U discloses a high-efficiency wood drying device, including a drying box, an air pipe for circulating gas is provided on the outer side of the drying box, two ends of the air pipe pass through the two sides of the drying box respectively and are connected with the interior of the drying box, a drying box, a heating box and an axial flow fan are sequentially distributed on the air pipe, a pallet is provided at the lower inner side of the drying box, and a movable pressing plate is provided at the upper inner side of the drying box; in this patent, the wood is pre-stacked on the pallet, and the stacked wood is transported to the interior of the drying box by the roller assembly on the bottom surface of the pallet, which can realize rapid feeding and discharging of the drying box and improve the working efficiency of the drying box, and the position of the pallet inside the drying box is corrected by the guidance of the guide groove, and after the pallet stops, the hydraulic cylinder assembly is started, and the movable pressing plate is applied to the top of the wood by the pushing device, and a certain pressure is maintained, so that the wood will not bend or deformed during the evaporation of water.

[0004] However, the existing automatic circulation drying devices for musical instrument wood still have certain shortcomings: first, most of the existing automatic circulation drying devices for musical instrument wood simply use a straight circulation pipe to circulate the fluid. When the axial flow fan sucks the fluid at the moment of operation, it will cause a fluid impact effect, thereby causing the circulation pipe to be damaged by impact;

[0005] Secondly, most of the existing automatic circulation drying devices for musical instrument wood use a manual opening and closing method to open and close the box cover. Due to the influence of factors such as the weight of the box cover itself and the height of the box body, this is obviously inconvenient for people to use. Utility Model Content

[0006] The utility model aims to provide an automatic circulation drying device for musical instrument wood, which solves the problem that the existing automatic circulation drying devices for musical instrument wood mostly simply adopt a straight circulation pipe to circulate the fluid, and when the axial flow fan is running, the fluid is sucked, which will cause the fluid impact effect, thereby causing the circulation pipe to be damaged; and solves the problem that the existing automatic circulation drying devices for musical instrument wood mostly adopt a manual opening and closing method to open and close the box cover, which is inconvenient for people to use due to the influence of factors such as the weight of the box cover itself and the height of the box body.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic circulation drying device for musical instrument wood, comprising a drying box, the upper end of the drying box contacts with a box cover, the left and right ends of the drying box are jointly provided with a circulation pipe, the lower end of the drying box is provided with an axial flow fan, the axial flow fan is fixedly connected to the circulation pipe, the lower end of the drying box and the right side of the axial flow fan is provided with a drying box, the drying box is fixedly connected to the circulation pipe, a lifting mechanism is provided on the drying box, an impact plate is fixedly connected to the inner wall of the circulation pipe, an impact pipe is fixedly connected to the lower side of the circulation pipe, a friction plug is slidably connected to the inner wall of the impact pipe, a guide rod is fixedly connected inside the friction plug, the guide rod is slidably connected to the impact pipe, a spring is provided on the outer side of the guide rod, a friction hole is opened on the inner wall of the impact pipe, an impact head is fixedly connected to the upper end of the guide rod, the impact head is slidably connected to the impact pipe, an elastic friction ball is fixedly connected inside the impact pipe, and the elastic friction ball is slidably connected to the friction hole.

[0008] Preferably, one end of the spring is fixedly connected to the impact tube, and the other end of the spring is fixedly connected to the friction plug. Through the provision of the spring, the friction plug can be connected for use.

[0009] Preferably, a plurality of the friction holes are provided, and the plurality of friction holes are evenly distributed on the impact tube. The provision of the friction holes facilitates the use of friction loss in cooperation with the elastic friction ball.

[0010] Preferably, the lifting mechanism includes a mounting frame, the front and rear ends of the drying box are commonly fixedly connected to the mounting frame, the upper end of the box cover is fixedly connected to a guide plate, the guide plate is slidably connected to the vertical part of the mounting frame, a servo motor is fixedly installed on the vertical part of the mounting frame, the output shaft of the servo motor is rotatably connected to the mounting frame, a winding wheel is fixedly sleeved on the outer side of the output shaft of the servo motor, a traction line is fixedly connected on the surface of the winding wheel, the traction line is fixedly connected to the box cover, a pulley is fixedly sleeved on the outer side of the output shaft of the servo motor and located on the rear side of the winding wheel, and the interior of the mounting frame is arranged through a bearing. A driven shaft is installed, and the output shaft is driven by a servo motor to rotate, so as to drive the winding wheel to rotate, and the traction line is wound up, and then the box cover is pulled to move, so that the guide plate slides along the surface of the mounting frame to ensure the movement of the box cover, and the box cover is automatically opened and closed. In this process, when the output shaft of the servo motor rotates, it can drive pulley one to rotate, and then drive the V-belt to rotate, and finally drive pulley two to rotate. Under the action of pulley one, pulley two, V-belt and other structures, the rotational centrifugal force generated by the output shaft of the servo motor can be offset to avoid the shaking problem of the output shaft of the servo motor.

[0011] Preferably, a plurality of guide plates are provided, and the plurality of guide plates are evenly distributed on the box cover. The box cover can be guided by the provision of the guide plates.

[0012] Preferably, a second pulley is fixedly sleeved on the outer side of the driven shaft, and a V-belt is provided on the second pulley and the first pulley. Through the coordinated use of the V-belt, the second pulley, the first pulley and other structures, the rotational centrifugal force generated by the output shaft of the servo motor can be offset.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can reel in the traction line through the action of the servo motor, the reel and other structures, so as to pull the box cover to move, and automatically lift and open the box cover for use. Under the action of the guide plate, the movement of the box cover can be guaranteed. Under the action of the pulley one, the pulley two, the V-belt and other structures, the rotational centrifugal force of the servo motor output shaft can be offset, thereby avoiding the shaking problem of the servo motor output shaft.

[0015] 2. The utility model can block and guide the fluid by setting the impact plate, and with the help of friction plugs, springs and other structures, offset the impact force of the fluid to avoid impact damage to the circulation pipe. When used in conjunction with friction holes, elastic friction balls and other structures, the excess deformation stress generated by the spring can be frictionally consumed to avoid excess shaking of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 A bottom-up stereogram of

[0018] Figure 3 For the utility model Figure 1 A front cross-sectional view of

[0019] Figure 4 For the utility model Figure 3 Magnified view of the impact tube.

[0020] In the figure: 1. drying box; 2. box cover; 3. circulation pipe; 4. axial flow fan; 5. drying box; 6. lifting mechanism; 7. impact plate; 8. impact pipe; 9. friction plug; 10. guide rod; 11. spring; 12. friction hole; 13. impact head; 14. elastic friction ball; 61. mounting frame; 62. guide plate; 63. servo motor; 64. winding wheel; 65. traction line; 66. pulley one; 67. driven shaft; 68. pulley two; 69. V-belt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4An automatic circulation drying device for musical instrument wood comprises a drying box 1, the upper end of the drying box 1 contacts with a box cover 2, the left and right ends of the drying box 1 are provided with a circulation pipe 3, the lower end of the drying box 1 is provided with an axial flow fan 4, the axial flow fan 4 is fixedly connected to the circulation pipe 3, the lower end of the drying box 1 and the right side of the axial flow fan 4 is provided with a drying box 5, the drying box 5 is fixedly connected to the circulation pipe 3, the inner wall of the circulation pipe 3 is fixedly connected with an impact plate 7, the lower side of the circulation pipe 3 is fixedly connected with an impact pipe 8, the inner wall of the impact pipe 8 is slidably connected with a friction plug 9, and the friction plug 9 is slidably connected to the inner wall of the friction pipe 8. A guide rod 10 is fixedly connected to the inside of the friction plug 9, and the guide rod 10 is slidably connected to the impact tube 8. A spring 11 is arranged on the outside of the guide rod 10, and one end of the spring 11 is fixedly connected to the impact tube 8, and the other end of the spring 11 is fixedly connected to the friction plug 9. Through the setting of the spring 11, the friction plug 9 can be connected and used. A friction hole 12 is opened on the inner wall of the impact tube 8, and a plurality of friction holes 12 are arranged. The plurality of friction holes 12 are evenly distributed on the impact tube 8. Through the setting of the friction holes 12, it is convenient to cooperate with the elastic friction ball 14 for friction loss. The upper end of 10 is fixedly connected with an impact head 13, and the impact head 13 is slidably connected to the impact tube 8. The inside of the impact tube 8 is fixedly connected with an elastic friction ball 14, and the elastic friction ball 14 is slidably connected to the friction hole 12. When the axial flow fan 4 is running, the fluid is sucked. Under the action of the impact plate 7, the fluid can be guided to flow into the impact tube 8 and impact the impact head 13, so as to push the friction plug 9 to slide along the inner wall of the impact tube 8 and push the guide rod 10 to move. The spring 11 is deformed, and the impact effect on the fluid is improved. The circulation pipe 3 is processed to avoid the problem of impact damage. In this process, the inner wall of the friction hole 12 squeezes the elastic friction ball 14, and the elastic friction ball 14 is deformed, and finally the elastic friction ball 14 is separated from the friction hole 12. Under the action of force, the elastic friction ball 14 slides along the inner wall of the impact tube 8. When the elastic friction ball 14 slides into the next friction hole 12, the elastic friction ball 14 squeezes into the friction hole 12, and the cycle repeats. Under the action of the elastic friction ball 14, friction hole 12 and other structures, the excess deformation stress generated by the spring 11 can be processed for friction loss.

[0023] See also Figure 1 , Figure 2 , Figure 3A lifting mechanism 6 is provided on the drying box 1, and the lifting mechanism 6 includes a mounting frame 61. The front and rear ends of the drying box 1 are fixedly connected to the mounting frame 61. A guide plate 62 is fixedly connected to the upper end of the box cover 2. The guide plate 62 is slidably connected to the vertical part of the mounting frame 61. A plurality of guide plates 62 are provided, and the plurality of guide plates 62 are evenly distributed on the box cover 2. Through the provision of the guide plates 62, the box cover 2 can be guided. A servo motor 63 is fixedly installed on the vertical part of the mounting frame 61. The output shaft of the servo motor 63 is rotatably connected to the mounting frame 61. A winding wheel 64 is fixedly sleeved on the outer side of the output shaft of the servo motor 63. A traction line 65 is fixedly connected to the surface of the winding wheel 64. The traction line 65 is fixedly connected to the box cover 2. A pulley 1 66 is fixedly sleeved on the outer side of the output shaft of the servo motor 63 and located at the rear side of the winding wheel 64. A driven shaft 67 is installed inside the mounting frame 61 through a bearing, and a pulley 2 68 is fixedly sleeved on the outer side of the driven shaft 67 , a V-belt 69 is provided on the second pulley 68 and the first pulley 66. Through the coordinated use of the V-belt 69, the second pulley 68, the first pulley 66 and other structures, the rotational centrifugal force generated by the output shaft of the servo motor 63 can be offset. The servo motor 63 drives the output shaft to rotate, so as to drive the winding wheel 64 to rotate, and the traction line 65 is wound, thereby pulling the box cover 2 to move, so that the guide plate 62 slides along the surface of the mounting frame 61 to ensure the movement of the box cover 2, and the box cover 2 is automatically opened and closed. In this process, when the output shaft of the servo motor 63 rotates, it can drive the first pulley 66 to rotate, and then drive the V-belt 69 to rotate, and finally drive the second pulley 68 to rotate. Under the action of the first pulley 66, the second pulley 68, the V-belt 69 and other structures, the rotational centrifugal force generated by the output shaft of the servo motor 63 can be offset, and the shaking problem of the output shaft of the servo motor 63 can be avoided.

[0024] The specific implementation process of the utility model is as follows: when the automatic circulation drying device for musical instrument wood is needed, for the process of automatic circulation drying, please refer to the utility model patent with announcement number CN212109252U for details, which discloses a high-efficiency wood drying device, which will not be repeated here;

[0025] When the axial flow fan 4 is running and the fluid is sucked, the fluid can be guided under the action of the impact plate 7, so that the fluid can flow into the impact tube 8 and impact the impact head 13, so as to push the friction plug 9 to slide along the inner wall of the impact tube 8 and push the guide rod 10 to move, and the spring 11 is deformed to deal with the impact effect of the fluid, so as to avoid the impact damage of the circulation tube 3. In this process, the inner wall of the friction hole 12 squeezes the elastic friction ball 14, and the elastic friction ball 14 is deformed, so that the elastic friction ball 14 finally separates from the friction hole 12. Under the action of the force, the elastic friction ball 14 slides along the inner wall of the impact tube 8. When the elastic friction ball 14 slides into the next friction hole 12, the elastic friction ball 14 squeezes into the friction hole 12, and the cycle repeats. Under the action of the elastic friction ball 14, the friction hole 12 and other structures, the excess deformation stress generated by the spring 11 can be processed for friction loss.

[0026] Start the servo motor 63 to drive the output shaft to rotate, so as to drive the winding wheel 64 to rotate, reel in the traction line 65, and then pull the box cover 2 to move, so that the guide plate 62 slides along the surface of the mounting frame 61 to ensure the movement of the box cover 2, and automatically open and close the box cover 2. During this process, when the output shaft of the servo motor 63 rotates, it can drive the pulley 1 66 to rotate, and then drive the V-belt 69 to rotate, and finally drive the pulley 2 68 to rotate. Under the action of the pulley 1 66, the pulley 2 68, the V-belt 69 and other structures, the rotational centrifugal force generated by the output shaft of the servo motor 63 can be offset to avoid the shaking problem of the output shaft of the servo motor 63.

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

Claims

1. An automatic circulation drying device for musical instrument wood, comprising a drying box (1), characterized in that: The upper end of the drying box (1) contacts with a box cover (2), the left and right ends of the drying box (1) are jointly provided with a circulation pipe (3), the lower end of the drying box (1) is provided with an axial flow fan (4), the axial flow fan (4) is fixedly connected to the circulation pipe (3), the lower end of the drying box (1) and the right side of the axial flow fan (4) is provided with a drying box (5), the drying box (5) is fixedly connected to the circulation pipe (3), the drying box (1) is provided with a lifting mechanism (6), the inner wall of the circulation pipe (3) is fixedly connected with an impact plate (7), and the lower side of the circulation pipe (3) is fixedly connected with an impact pipe (8) ), the inner wall of the impact tube (8) is slidably connected with a friction plug (9), the interior of the friction plug (9) is fixedly connected with a guide rod (10), the guide rod (10) is slidably connected with the impact tube (8), a spring (11) is arranged on the outer side of the guide rod (10), the inner wall of the impact tube (8) is provided with a friction hole (12), the upper end of the guide rod (10) is fixedly connected with an impact head (13), the impact head (13) is slidably connected with the impact tube (8), the interior of the impact tube (8) is fixedly connected with an elastic friction ball (14), the elastic friction ball (14) is slidably connected with the friction hole (12).

2. The automatic circulation drying device for musical instrument wood according to claim 1, characterized in that: One end of the spring (11) is fixedly connected to the impact tube (8), and the other end of the spring (11) is fixedly connected to the friction plug (9).

3. The automatic circulation drying device for musical instrument wood according to claim 1, characterized in that: A plurality of the friction holes (12) are provided, and the plurality of the friction holes (12) are evenly distributed on the impact tube (8).

4. The automatic circulation drying device for musical instrument wood according to claim 1, characterized in that: The lifting mechanism (6) comprises a mounting frame (61), the front and rear ends of the drying box (1) are fixedly connected to the mounting frame (61), the upper end of the box cover (2) is fixedly connected to a guide plate (62), the guide plate (62) is slidably connected to the vertical part of the mounting frame (61), a servo motor (63) is fixedly installed on the vertical part of the mounting frame (61), the output shaft of the servo motor (63) is rotatably connected to the mounting frame (61), a winding wheel (64) is fixedly sleeved on the outer side of the output shaft of the servo motor (63), a traction line (65) is fixedly connected to the surface of the winding wheel (64), the traction line (65) is fixedly connected to the box cover (2), a pulley (66) is fixedly sleeved on the outer side of the output shaft of the servo motor (63) and located at the rear side of the winding wheel (64), and a driven shaft (67) is installed inside the mounting frame (61) through a bearing.

5. The automatic circulation drying device for musical instrument wood according to claim 4, characterized in that: A plurality of guide plates (62) are provided, and the plurality of guide plates (62) are evenly distributed on the box cover (2).

6. The automatic circulation drying device for musical instrument wood according to claim 4, characterized in that: A second pulley (68) is fixedly sleeved on the outer side of the driven shaft (67), and a V-belt (69) is provided on both the second pulley (68) and the first pulley (66).

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