Top film sealing device for combined firework production

By introducing a cylindrical arm and piston system into the top sealing device for combined fireworks production, the problem of not being able to replace the film in time when it is exhausted in the existing technology is solved, thereby improving the accuracy of sealing and production efficiency.

CN223803972UActive Publication Date: 2026-01-16WANZAI HAIFU EXPORT FIREWORKS CO LTD
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Patent Information

Application Number
CN202520544845.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-01-16
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

The existing top sealing device for combined fireworks production is not convenient for real-time monitoring of film consumption, which makes it impossible to replace the film in time when it is depleted, thus affecting production efficiency.

Method used

A device comprising a rectangular baffle, rollers, a conveyor belt, a motor, a sealing machine, and an elastic telescopic rod was designed. The device monitors film consumption in real time through a cylindrical arm and piston system, and shuts down the conveyor belt and sealing machine in a timely manner. This ensures that the film roll rod can be quickly replaced when the film is exhausted, preventing the conveyor belt from continuing to transport unsealed fireworks.

Benefits of technology

This technology enables timely replacement of the film roll rod when the film is depleted, preventing the conveyor belt from continuing to transport unsealed fireworks. This improves the accuracy of the sealing position and production efficiency, and avoids the problem of incomplete sealing caused by film depletion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a top film sealing device for combined firework production, which relates to the technical field of combined firework production, and is characterized in that a rectangular baffle plate is rotatably provided with a roller in a penetrating manner, the circumferential surface of the roller is provided with a conveyor belt in a transmission manner, and the surface of the rectangular baffle plate is fixedly provided with a motor; the rolling wheels are fixedly connected with the output end of a motor, fixing legs are fixedly installed on the surface of the rectangular baffle, a film sealing machine is fixedly installed on the tops of the fixing legs, machine arms are fixedly installed on the left side and the right side of the film sealing machine, inserting rods are rotatably installed on the surfaces of the machine arms, and the surfaces of the inserting rods are sleeved with film rolling rods. An elastic telescopic rod is fixedly installed on the left side of the film sealing machine, and a cylindrical arm is rotationally installed at the free end of the left side of the elastic telescopic rod. The consumption condition of a film is convenient to observe through leftward movement of the cylindrical arm, and when the film is used up, the piston extrudes the insertion strip to release limitation on the film rolling rod, so that the film rolling rod is convenient to replace in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of combined firework production, in particular to a top film sealing device for combined firework production. BACKGROUND

[0002] Fireworks refer to art and craft products prepared by using fireworks as raw materials, which are ignited by an ignition source and burn (explode) with sound, light, color, smoke and fog effects. The original purpose of firecrackers is to welcome gods and drive away ghosts, and fireworks are visual effect-based art. Later, it developed into a symbol of welcoming the new year with its strong festive color.

[0003] The patent with the patent announcement number CN218916105U relates to a top film sealing device for combined firework production, which transports fireworks to the polishing and film sealing position through a conveying unit, polishes the top of the fireworks through a polishing lifting unit, and seals the top of the fireworks through a film sealing mechanism. It is convenient for assembly line production, thereby improving production efficiency.

[0004] In the above-mentioned patent, the top of the fireworks is sealed by the film sealing mechanism, which is convenient for assembly line production, thereby improving production efficiency. However, the above-mentioned patent does not facilitate the observation of film consumption during sealing, and the new film cannot be conveniently replaced when the film is exhausted. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a top film sealing device for combined firework production, which solves the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above object, the utility model discloses a kind of top film sealing device for combined firework production, including rectangular baffle, the rotary penetration of rectangular baffle has gyro wheel, the circumferential surface of gyro wheel is drivenly installed with conveyer belt, the surface of rectangular baffle is fixedly installed with motor, the output of gyro wheel and motor is fixedly connected, the surface of rectangular baffle is fixedly installed with fixed leg, the top of fixed leg is fixedly installed with film sealer, the left and right sides of film sealer are fixedly installed with machine arm, the surface of machine arm is rotatably installed with plug rod, the surface of plug rod is sleeved with film winding rod, the left side of film sealer is fixedly installed with elastic telescopic link, the left side free end of elastic telescopic link is rotatably installed with cylinder arm, the surface of plug rod is equipped with recess, the inside of recess is fixedly installed with spring piece, the inside of recess is slidably penetrated with stop block, the inside of plug rod is slidably installed with plug strip, the inside of plug rod is equipped with cavity, the free end surface of elastic telescopic link is fixedly installed with push rod one, the surface of machine arm is fixedly installed with piston, the inside of piston is slidably installed with piston push piece, the inside of piston is communicated with the inside of cavity by pipeline, cylinder arm moves left to facilitate the consumption of film observation, drives plug strip to move forward and push stop block to move right, so as to facilitate film winding rod to be pulled out, so as to quickly and conveniently change film, save time and labor.

[0007] According to the above technical scheme, the stop block and the recess are provided with a spring, the piston push piece and the piston are provided with a second spring, the side of the stop block close to the plug strip is provided with a bevel groove one, and the surface of the stop block is provided with a bevel, which facilitates the movement and reset of the stop block and the piston push piece.

[0008] According to the above technical scheme, the upper surface of the push rod one is fixedly installed with a push block, the front surface of the machine arm is fixedly installed with a motor switch, and the motor switch is electrically connected with the motor.

[0009] According to the above technical scheme, the free end surface of the elastic telescopic link is fixedly installed with a push rod two, the left side of the film sealer is rotatably installed with a gear, the left side of the gear is fixedly installed with a cylinder, the circumferential surface of the cylinder is provided with a spiral groove, the push rod two is slidably connected with the spiral groove, the left side of the film sealer is slidably installed with a rack, the gear is engaged with the rack, the back surface of the rack is fixedly installed with an L-shaped push strip, the front side of the rectangular baffle is slidably installed with a clamping rod, the side of the clamping rod close to the L-shaped push strip is provided with a bevel groove two, the cylinder is driven to rotate by the left movement of the elastic telescopic link, the cylinder drives the gear to rotate, so as to drive the rack to move downward, and the rack drives the clamping rod to move left by contacting with the clamping rod.

[0010] According to the technical scheme, the two rollers are provided with rotating shafts fixedly arranged on the front surfaces of the left rollers, and the rotating shafts are provided with rectangular grooves on the circumferential surfaces, the clamping rods are clamped with the rectangular grooves on the circumferential surfaces of the rotating shafts when the motor is turned off, the transmission belt is immediately stopped, and the fireworks which are not completely sealed continue to drive when the transmission belt is not immediately stopped when the motor is turned off, thereby affecting the next sealing.

[0011] According to the technical scheme, the third spring is arranged between the clamping rod and the rectangular baffle, the clockwork spring is arranged between the gear and the sealing machine, and the reset spring is arranged between the rack and the sealing machine, so that the movement and reset of the clamping rod and the rack are facilitated, and the rotation of the gear is facilitated.

[0012] The utility model provides a top sealing device for combined fireworks production.

[0013] (1) the utility model discloses, through the consumption film time cylinder arm can be attached in the inside of the film winding rod, through the cylinder arm movement can understand the consumption condition of the film on the film winding rod in time, when the film is exhausted, the piston extrusion plug stick removes the location of the film winding rod, so that the plug rod restriction on the film winding rod can be removed in time, only need to use the pulling force can be taken off the film winding rod from the plug rod, thereby facilitating the replacement of the film winding rod.

[0014] (2) the utility model discloses, through the contact motor switch when the push block moves to the left, so that the motor and the transmission belt can be turned off in time when the film is exhausted, prevent the transmission belt from continuing to drive the combined fireworks when there is no film, which can affect the sealing machine to seal the combined fireworks.

[0015] (3) the utility model discloses, through the film exhaustion card rod contact rotating shaft circumferential rectangular card slot thereby limiting the roller, immediately stop the transmission belt, prevent the transmission belt from moving under the action of inertia, prevent the combined fireworks from moving and causing the sealing position to deviate, and the immediate stop can improve the accuracy of the sealing position. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is the utility model Figure 1 It is the enlarged schematic view of part A of the utility model;

[0018] Figure 3 It is the roller and rotating shaft position structure schematic view of the utility model;

[0019] Figure 4 It is the elastic telescopic link and cylinder arm position structure schematic view of the utility model;

[0020] Figure 5 It is the motor switch and push block position structure schematic view of the utility model;

[0021] Figure 6 It is the cross section structure schematic view of the plug rod of the utility model;

[0022] Figure 7 It is the cross section structure schematic view of the piston of the utility model;

[0023] Figure 8 It is the structure schematic view of the film sealing machine of the utility model.

[0024] In the figure: 1, film sealing machine; 2, machine arm; 3, film winding rod; 4, plug rod; 5, plug strip; 6, cavity; 8, stop block; 9, spring piece; 10, elastic telescopic rod; 12, cylindrical arm; 13, push rod one; 14, piston; 15, piston push piece; 16, motor switch; 17, push block; 18, push rod two; 19, cylinder; 20, gear; 21, rack; 22, L-shaped push strip; 23, fixed leg; 24, clamping rod; 26, rectangular baffle; 27, roller; 28, conveying belt; 29, rotating shaft; 30, motor. DETAILED DESCRIPTION

[0025] 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.

[0026] Please refer to Figures 1-8The utility model provides a kind of combination fireworks production with top film sealing device, including rectangular baffle 26, rectangular baffle 26 is rotated and is penetrated with roller 27, the circumferential surface of roller 27 is drivenly installed with conveying belt 28, the surface of rectangular baffle 26 is fixedly installed with motor 30, roller 27 is fixedly connected with the output end of motor 30, the surface of rectangular baffle 26 is fixedly installed with fixed leg 23, the top of fixed leg 23 is fixedly installed with film sealing machine 1, film sealing machine 1's left and right sides are fixedly installed with machine arm 2, the surface of machine arm 2 is rotatably installed with plug rod 4, the surface of plug rod 4 is sleeved with film rod 3, the left side of film sealing machine 1 is fixedly installed with elastic telescopic link 10, the left side free end of elastic telescopic link 10 is rotatably installed with cylinder arm 12, the surface of plug rod 4 is equipped with recess, the inside of recess is fixedly installed with spring piece 9, the inside of recess is slidably penetrated with stopper 8, the inside of plug rod 4 is slidably installed with plug strip 5, the inside of plug rod 4 is equipped with cavity 6, the free end surface of elastic telescopic link 10 is fixedly installed with push rod one 13, the surface of machine arm 2 is fixedly installed with piston 14, piston 14 is slidably installed with piston push piece 15, piston 14 is communicated with the inside of cavity 6 by pipeline, cylinder arm 12 moves left to facilitate the consumption of film observation, drives plug strip 5 to move forward and pushes stopper 8 to move right to facilitate film rod 3 to pull out, to facilitate quick and convenient film replacement time saving and labor saving.

[0027] Spring is arranged between stopper 8 and recess, spring is arranged between piston push piece 15 and piston 14, the side of stopper 8 close to plug strip 5 is equipped with inclined groove one, the surface of stopper 8 is equipped with inclined surface, to facilitate the movement and reset of stopper 8 and piston push piece 15.

[0028] The upper surface of push rod one 13 is fixedly installed with push block 17, the front of machine arm 2 is fixedly installed with motor switch 16, motor switch 16 is electrically connected with motor 30, when cylinder arm 12 is pressed against film rod 3 that is consumed, push block 17 is pressed against motor switch 16, to shut down conveying belt 28 to prevent no film to continue to seal and damage fireworks top.

[0029] The free end surface of elastic telescopic link 10 is fixedly installed with push rod two 18, gear 20 is rotatably installed on the left side of film sealing machine 1, cylinder 19 is fixedly installed on the left side of gear 20, the circumferential surface of cylinder 19 is equipped with helical groove, push rod two 18 is slidably connected with helical groove, rack 21 is slidably installed on the left side of film sealing machine 1, gear 20 is engaged with rack 21, L-shaped push strip 22 is fixedly installed on the back of rack 21, clamping rod 24 is slidably installed on the front of rectangular baffle 26, inclined groove two is equipped on the side of clamping rod 24 close to L-shaped push strip 22, cylinder 19 is rotated by left moving of elastic telescopic link 10, cylinder 19 drives gear 20 to rotate, to drive rack 21 to move down, rack 21 drives clamping rod 24 to move left by contacting with clamping rod 24.

[0030] The two rollers 27 are fixedly installed with rotation shafts 29 on the front side of the left roller 27, and the rotation shafts 29 are provided with rectangular grooves on the circumferential surface. When the motor 30 is closed, the clamping rod 24 clamps the rectangular grooves on the circumferential surface of the rotation shaft 29 to immediately stop the conveyor belt 28, preventing the fireworks from continuing to drive when the conveyor belt 28 is closed without immediately stopping.

[0031] The third spring is arranged between the clamping rod 24 and the rectangular baffle 26, the clockwork spring is arranged between the gear 20 and the film sealing machine 1, and the reset spring is arranged between the rack 21 and the film sealing machine 1, facilitating the movement and reset of the clamping rod 24 and the rack 21, and facilitating the rotation of the gear 20.

[0032] When working: the combined fireworks are placed on the conveyor belt 28, and the motor 30 is started. The motor 30 works to drive the roller 27 to rotate, and the roller 27 rotates to drive the conveyor belt 28 to move. When the conveyor belt 28 moves, the combined fireworks are moved to the bottom of the film sealing machine 1, and the film sealing machine 1 seals the top of the combined fireworks. When sealing the film, the film on the film winding rod 3 in front of the arm 2 is consumed. The free end of the elastic expansion rod 10 is pressed against the film on the film winding rod 3. When the film on the film winding rod 3 is consumed, the cylindrical arm 12 moves to the left. The cylindrical arm 12 moves to the left to drive the free end of the elastic expansion rod 10 to move to the left. The free end of the elastic expansion rod 10 moves to drive the push rod I 13 to move to the left. The push rod I 13 moves to drive the piston push piece 15 to move to the left. The piston push piece 15 moves to extrude the air in the piston 14. The air in the piston 14 enters the cavity 6 through the pipeline. The air in the cavity 6 increases to extrude the plug 5 to move forward. The plug 5 moves to contact the inclined groove of the stop block 8 to drive the stop block 8 to move to the right. The stop block 8 moves to release the limiting of the film winding rod 3. When the film winding rod 3 needs to be replaced, a certain pulling force is used to pull out the film winding rod 3. The film winding rod 3 extrudes the spring sheet 9 to deform, so that the film winding rod 3 is separated from the plug rod 4, and the film winding rod 3 can be replaced.

[0033] The push rod I 13 moves to the left to drive the push block 17 to move to the left. The push block 17 moves to the left to press the motor switch 16. After the motor switch 16 is pressed, the motor 30 stops working to close the motor switch 16 when the film on the film winding rod 3 is consumed, so that the conveyor belt 28 is closed in time when the film is consumed.

[0034] The free end of the elastic telescopic rod 10 moves to the left to drive the push rod two 18 to move to the left, and the push rod two 18 will slide in the internal spiral groove when moving, so that the push rod two 18 will drive the cylinder 19 and the gear 20 to rotate when moving, the gear 20 drives the rack 21 to move downward, the rack 21 drives the L-shaped push bar 22 to move downward, the L-shaped push bar 22 moves downward to contact the inclined groove two on the clamping rod 24, so that the L-shaped push bar 22 will drive the clamping rod 24 to move to the left when moving downward, and the clamping rod 24 moves to the left to be inserted into the rectangular groove on the rotating shaft 29 when the film on the film winding rod 3 is exhausted, and the clamping rod 24 inserted into the rectangular groove can limit the rotating shaft 29 from rotating, so that the rotating shaft 29 immediately stops rotating, thereby the transmission belt 28 can be immediately stopped when the transmission belt 28 is closed.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood 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. A combination top film sealing device for firework production, comprising a rectangular baffle (26), characterized in that: The rectangular baffle (26) is rotationally penetrated by a roller (27), the circumferential surface of the roller (27) is drivingly provided with a conveying belt (28), the surface of the rectangular baffle (26) is fixedly provided with a motor (30), the output end of the motor (30) is fixedly connected with the roller (27), the surface of the rectangular baffle (26) is fixedly provided with a fixed leg (23), the top of the fixed leg (23) is fixedly provided with a film sealing machine (1), the left and right sides of the film sealing machine (1) are fixedly provided with a machine arm (2), the surface of the machine arm (2) is rotationally provided with a inserting rod (4), the surface of the inserting rod (4) is sleeved with a film rolling rod (3), the left side of the film sealing machine (1) is fixedly provided with an elastic telescopic rod (10), the left side free end of the elastic telescopic rod (10) is rotationally provided with a cylindrical arm (12), the surface of the inserting rod (4) is provided with a groove, the inside of the groove is fixedly provided with a spring sheet (9), the inside of the groove is slidingly penetrated by a stop block (8), the inside of the inserting rod (4) is slidingly provided with an inserting strip (5), the inside of the inserting rod (4) is provided with a cavity (6), the free end surface of the elastic telescopic rod (10) is fixedly provided with a push rod one (13), the surface of the machine arm (2) is fixedly provided with a piston (14), the inside of the piston (14) is slidingly provided with a piston push sheet (15), the inside of the piston (14) is in communication with the inside of the cavity (6) through a pipeline.

2. The device for sealing the top of a combination firework according to claim 1, characterized in that: A first spring is arranged between the stop block (8) and the groove, a second spring is arranged between the piston push sheet (15) and the piston (14), an inclined groove one is arranged on the side of the stop block (8) close to the inserting strip (5), and an inclined surface is arranged on the surface of the stop block (8).

3. The device for sealing the top of a combination firework according to claim 2, characterized in that: A push block (17) is fixedly arranged on the upper surface of the push rod one (13), a motor switch (16) is fixedly arranged on the front surface of the machine arm (2), and the motor switch (16) is electrically connected with the motor (30).

4. The device for sealing the top of a combination firework according to claim 3, characterized in that: A push rod two (18) is fixedly arranged on the free end surface of the elastic telescopic rod (10), a gear (20) is rotationally arranged on the left side of the film sealing machine (1), a cylindrical body (19) is fixedly arranged on the left side of the gear (20), a spiral groove is arranged on the circumferential surface of the cylindrical body (19), the push rod two (18) is slidingly connected with the spiral groove, a rack (21) is slidingly arranged on the left side of the film sealing machine (1), the gear (20) is engaged with the rack (21), an L-shaped push strip (22) is fixedly arranged on the back surface of the rack (21), a clamping rod (24) is slidingly arranged on the front side of the rectangular baffle (26), and an inclined groove two is arranged on the side of the clamping rod (24) close to the L-shaped push strip (22).

5. The device for sealing the top of a combination firework according to claim 4, characterized in that: There are two rollers (27), a rotating shaft (29) is fixedly arranged on the front surface of the roller (27) on the left side, and a rectangular groove is arranged on the circumferential surface of the rotating shaft (29).

6. The device for sealing the top of a combination firework according to claim 5, characterized in that: A third spring is arranged between the clamping rod (24) and the rectangular baffle (26), a clock spring is arranged between the gear (20) and the film sealing machine (1), and a return spring is arranged between the rack (21) and the film sealing machine (1).