Pyrotechnic composition discharging mechanism

Abstract

The utility model relates to the technical field of firework processing, in particular to a pyrotechnic composition discharging mechanism. According to the pyrotechnic composition discharging mechanism, the discharging amount of the pyrotechnic composition can be accurately controlled conveniently, and large agglomerated particles in the pyrotechnic composition can be broken conveniently. A pyrotechnic composition discharging mechanism comprises a bottom frame and the like. A discharging frame is fixedly connected to the bottom frame, a servo motor is fixedly connected to the bottom frame, and a separation assembly is arranged on the discharging frame. An output shaft of the servo motor rotates clockwise to drive the rocker arm to rotate clockwise, the rocker arm rotates clockwise to drive the transmission frame and the extrusion frames to move in a reciprocating mode, the upper extrusion frame extrudes the upper baffle to move obliquely upwards, then the lower extrusion frame extrudes the lower baffle to move obliquely upwards, and part of pyrotechnic composition between the lower baffle and the upper baffle falls out along the discharging frame. Therefore, the pyrotechnic composition is quantitatively discharged downwards.

Description

Technical Field

[0001] The utility model relates to the technical field of fireworks processing, in particular to a fireworks powder feeding mechanism. Background Art

[0002] Fireworks are entertainment products made of pyrotechnic powder and used to produce sound, light and color. During the fireworks processing process, the pyrotechnic powder needs to be loaded into the firework paper tube. During the loading process, the quantitative feeding of the pyrotechnic powder needs to be controlled. Most of the existing feeding device structures feed by controlling the opening and closing of the feeding port, which easily leads to large errors in the amount of pyrotechnic powder fed, making it difficult to accurately control the amount of pyrotechnic powder fed, affecting the filling effect and being unfavorable for controlling the combustion of the pyrotechnic powder. In addition, the existing feeding device is not convenient for breaking up large agglomerated particles in the pyrotechnic powder, which affects the filling effect and is not conducive to the subsequent combustion of the pyrotechnic powder. Utility Model Content

[0003] In order to overcome the shortcomings of the existing feeding device that it is not convenient to accurately control the amount of pyrotechnic powder fed and is not convenient to break up the larger agglomerated particles in the pyrotechnic powder, the utility model provides a pyrotechnic powder feeding mechanism that is convenient to accurately control the amount of pyrotechnic powder fed and is convenient to break up the larger agglomerated particles in the pyrotechnic powder.

[0004] The technical solution is as follows: A pyrotechnic powder feeding mechanism includes a base frame, a feeding frame, a servo motor and a partition assembly. The feeding frame is fixedly connected to the base frame. The servo motor is fixedly connected to the base frame. The feeding frame is provided with a partition assembly, and the partition assembly is used to control the feeding of pyrotechnic powder.

[0005] Preferably, the partition assembly includes a rocker arm, a transmission frame, an extrusion frame, a lower baffle, an upper baffle, a return spring and a reset spring. The rocker arm is fixedly connected to the output shaft of the servo motor. The lower part of the blanking frame is slidably connected to the transmission frame. A transmission groove is opened on the transmission frame. One end of the rocker arm is located in the transmission groove on the transmission frame. Two extrusion frames are fixedly connected to the upper part of the transmission frame. The two extrusion frames are symmetrically arranged. The lower part of the blanking frame is slidably connected to the lower baffle. The lower part of the blanking frame is slidably connected to the upper baffle. The upper baffle is located obliquely above the lower baffle. Two return springs are connected between the lower baffle and the extrusion frame, and two reset springs are connected between the upper baffle and the extrusion frame.

[0006] Preferably, the lower baffle and the upper baffle are used together to prevent the pyrotechnic charge from falling.

[0007] Preferably, it also includes a blocking rod, a shift rod, a driven gear and a transmission gear. Two blocking rods are fixedly connected to the inside of the blanking frame. The lower part of the blanking frame is rotatably connected to the shift rod. The driven gear is fixed to the shift rod. The transmission gear is fixed to the rocker arm. The driven gear and the transmission gear are meshed.

[0008] Beneficial effect: the servo motor output shaft drives the rocker arm to rotate clockwise, and the clockwise rotation of the rocker arm drives the transmission frame and the extrusion frame to move back and forth. The extrusion frame located above squeezes the upper baffle to move obliquely upward, and then the extrusion frame located below squeezes the lower baffle to move obliquely upward. Part of the pyrotechnic powder between the lower baffle and the upper baffle falls downward along the discharge frame, thereby discharging the pyrotechnic powder downward in a quantitative manner, which can more accurately control the discharge amount of the pyrotechnic powder and improve the filling effect of the pyrotechnic powder.

[0009] The baffle rod and the shift rod jointly prevent the larger agglomerated particles in the pyrotechnic powder from falling down. The transmission gear rotates clockwise to drive the driven gear and the shift rod to reverse. The shift rod pushes some of the larger agglomerated particles in the pyrotechnic powder. When the shift rod reverses, the shift rod pushes some of the larger agglomerated particles in the pyrotechnic powder to be squeezed with the baffle rod, thereby breaking up some of the larger agglomerated particles in the pyrotechnic powder, reducing the content of larger agglomerated particles in the pyrotechnic powder, further improving the loading effect of the pyrotechnic powder, and facilitating the subsequent combustion of the pyrotechnic powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model.

[0011] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention.

[0012] Figure 3 This is a schematic diagram of the first sectional three-dimensional structure of the utility model.

[0013] Figure 4 This is a schematic diagram of a second sectional three-dimensional structure of the present invention.

[0014] Figure numbers: 1_base frame, 2_unloading frame, 3_servo motor, 4_rocker arm, 5_transmission frame, 6_extrusion frame, 7_lower baffle, 8_upper baffle, 90_return spring, 9_reset spring, 10_blocking rod, 12_shifting rod, 13_driven gear, 14_transmission gear. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0016] Example 1: A pyrotechnic powder feeding mechanism, such as Figure 1-Figure 4 As shown, it includes a base frame 1, a feeding frame 2, a servo motor 3 and a partition assembly. The feeding frame 2 is welded to the base frame 1, and the servo motor 3 is connected to the base frame 1 by bolts. The feeding frame 2 is provided with a partition assembly, and the partition assembly is used to control the feeding of pyrotechnic powder.

[0017] The partition assembly includes a rocker arm 4, a transmission frame 5, an extrusion frame 6, a lower baffle 7, an upper baffle 8, a return spring 90 and a reset spring 9. The rocker arm 4 is fixedly connected to the output shaft of the servo motor 3. The lower part of the blanking frame 2 is slidingly connected to the transmission frame 5. A transmission groove is opened on the transmission frame 5. One end of the rocker arm 4 is located in the transmission groove on the transmission frame 5. Two extrusion frames 6 are welded on the upper part of the transmission frame 5. The two extrusion frames 6 are symmetrically arranged. The lower part of the blanking frame 2 is slidingly connected to the lower baffle 7. The lower part of the blanking frame 2 is slidingly connected to the upper baffle 8. The upper baffle 8 is located obliquely above the lower baffle 7. Two return springs 90 are connected between the lower baffle 7 and the extrusion frame 6 by a hook. Two reset springs 9 are connected between the upper baffle 8 and the extrusion frame 6 by a hook.

[0018] The lower baffle 7 and the upper baffle 8 are used together to prevent the pyrotechnic powder from falling.

[0019] At first, the worker adds the pyrotechnic powder into the blanking frame 2, and then the worker starts the servo motor 3. The output shaft of the servo motor 3 rotates clockwise to drive the rocker arm 4 to rotate clockwise. The rocker arm 4 rotates clockwise 1 / 4 turn to drive the transmission frame 5 and the extrusion frame 6 to move obliquely upward. The extrusion frame 6 located above squeezes the upper baffle 8 to move obliquely upward. The reset spring 9 is stretched, and part of the pyrotechnic powder in the blanking frame 2 falls between the lower baffle 7 and the upper baffle 8. Then the rocker arm 4 continues to rotate clockwise 1 / 4 turn to drive the transmission frame 5 and the extrusion frame 6 to move obliquely downward. The extrusion frame 6 located above is separated from the upper baffle 8. The reset spring 9 contracts to drive the upper baffle 8 to move obliquely downward and reset. The upper baffle 8 blocks the pyrotechnic powder located obliquely above the upper baffle 8 in the blanking frame 2 from falling downward, and then the rocker arm 4 continues to rotate clockwise 1 / 4 turn. The transmission frame 5 and the extrusion frame 6 are driven to move obliquely downward, and the extrusion frame 6 located below squeezes the lower baffle 7 to move obliquely upward, the return spring 90 is stretched, and part of the fireworks powder between the lower baffle 7 and the upper baffle 8 falls downward along the blanking frame 2, thereby discharging the fireworks powder quantitatively downward, which can more accurately control the discharge amount of fireworks powder and improve the filling effect of fireworks powder. Then the rocker arm 4 continues to rotate clockwise 1 / 4 circle to reset, and the extrusion frame 6 located below is separated from the lower baffle 7. The return spring 90 contracts and drives the lower baffle 7 to move obliquely downward to reset, and then the output shaft of the servo motor 3 continues to rotate clockwise to drive the rocker arm 4 to rotate clockwise, and so on. The fireworks powder in the blanking frame 2 can be discharged intermittently and quantitatively downward, and the workers load the discharged quantitative fireworks powder into the firework paper tube.

[0020] Example 2: Based on Example 1, Figure 1 、 Figure 3 and Figure 4 As shown, it also includes a baffle rod 10, a shift rod 12, a driven gear 13 and a transmission gear 14. Two baffle rods 10 are welded inside the blanking frame 2. The lower part of the blanking frame 2 is rotatably connected to the shift rod 12. The shift rod 12 is used to crush the fireworks powder. The driven gear 13 is fixed to the shift rod 12, and the transmission gear 14 is fixed to the rocker arm 4. The driven gear 13 and the transmission gear 14 are meshed.

[0021] The worker adds the pyrotechnic powder into the blanking frame 2, and then the baffle rod 10 and the shift rod 12 jointly prevent the larger agglomerated particles in the pyrotechnic powder from falling down. When the output shaft of the servo motor 3 rotates clockwise to drive the rocker arm 4 to rotate clockwise, the rocker arm 4 rotates clockwise to drive the transmission gear 14 to rotate clockwise, and the transmission gear 14 rotates clockwise to drive the driven gear 13 and the shift rod 12 to rotate counterclockwise. The shift rod 12 pushes some of the larger agglomerated particles in the pyrotechnic powder. When the shift rod 12 reverses, the shift rod 12 pushes some of the larger agglomerated particles in the pyrotechnic powder to squeeze with the baffle rod 10, thereby breaking some of the larger agglomerated particles in the pyrotechnic powder, reducing the content of larger agglomerated particles in the pyrotechnic powder, further improving the filling effect of the pyrotechnic powder, and facilitating the subsequent combustion of the pyrotechnic powder.

[0022] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention are intended to be included in the scope of protection of the present invention.

Claims

1. A pyrotechnic powder feeding mechanism, characterized in that: The invention comprises a base frame (1), a feeding frame (2), a servo motor (3) and a separation component. The base frame (1) is fixedly connected to the feeding frame (2), the base frame (1) is fixedly connected to the servo motor (3), and the feeding frame (2) is provided with a separation component for controlling the feeding of pyrotechnic powder.

2. A pyrotechnic powder feeding mechanism according to claim 1, characterized in that: The partition assembly includes a rocker arm (4), a transmission frame (5), an extrusion frame (6), a lower baffle (7), an upper baffle (8), a return spring (90) and a reset spring (9). The rocker arm (4) is fixedly connected to the output shaft of the servo motor (3). The lower part of the blanking frame (2) is slidably connected to the transmission frame (5). A transmission groove is opened on the transmission frame (5). One end of the rocker arm (4) is located in the transmission groove on the transmission frame (5). Two extrusion frames (6) are fixedly connected to the upper part of the transmission frame (5). The two extrusion frames (6) are symmetrically arranged. The lower portion of the blanking frame (2) is slidably connected to a lower baffle (7). The lower portion of the blanking frame (2) is slidably connected to an upper baffle (8). The upper baffle (8) is located obliquely above the lower baffle (7). Two return springs (90) are connected between the lower baffle (7) and the extrusion frame (6). Two return springs (9) are connected between the upper baffle (8) and the extrusion frame (6).

3. A pyrotechnic powder feeding mechanism according to claim 2, characterized in that: The lower baffle (7) and the upper baffle (8) are used together to prevent the pyrotechnic powder from falling.

4. A pyrotechnic powder feeding mechanism according to claim 3, characterized in that: The invention also includes a blocking rod (10), a shifting rod (12), a driven gear (13) and a transmission gear (14); two blocking rods (10) are fixedly connected inside the blanking frame (2); the lower part of the blanking frame (2) is rotatably connected to the shifting rod (12); the driven gear (13) is fixedly connected to the shifting rod (12); the transmission gear (14) is fixedly connected to the rocker arm (4); and the driven gear (13) and the transmission gear (14) are meshed.

Images