Continuous explosive pressing device for firework cylinder

By designing a continuous propellant pressing device for fireworks tubes, using a protruding support arm and a hydraulically driven pressure plate, combined with a turntable structure, continuous propellant pressing of fireworks tubes is achieved, solving the problem that existing equipment cannot continuously press propellant, improving production efficiency and reducing safety risks.

CN224034501UActive Publication Date: 2026-03-24汪永承
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing fireworks pressing equipment cannot achieve continuous pressing and poses safety hazards, especially in high-risk processes where dust friction or electrical sparks can easily occur.

Method used

A continuous propellant pressing device for fireworks tubes was designed. It adopts a protruding support arm and a hydraulically driven pressure plate, combined with a turntable structure, to achieve continuous propellant pressing. The device also reduces safety risks through a non-electrified design.

Benefits of technology

It enables continuous production while meeting safety requirements, improves processing efficiency, reduces safety hazards, and the turntable structure is easy to clean, reducing dust accumulation dead spots.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a continuous explosive pressing device for a firework cylinder, which comprises a machine base with a protruding support arm, a hydraulic cylinder is mounted on the support arm, and a pressing plate connected with a piston of the hydraulic cylinder is arranged below the support arm; a pressing rod positioning template is installed below the pressing plate, a plurality of upper positioning holes are formed in the pressing rod positioning template, the tops of a plurality of pressing rods are hung in the upper positioning holes respectively, and the pressing plate abuts against the top ends of the pressing rods when pressed downwards. The stripping plate is fixedly hoisted on the supporting arm, a plurality of lower positioning holes are formed in the stripping plate, and the lower ends of the pressing rods are inserted into the lower positioning holes respectively; a turntable is mounted on the base below the stripper plate; and a plurality of cylinder cake positioning mechanisms are circumferentially distributed on the turntable. The number of the cylinder cake positioning mechanisms on the turntable can be set according to working requirements, so that continuous production is realized on the premise of meeting safety requirements, and the processing efficiency is improved; and the turntable structure is easy to clean, so that the potential safety hazard is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the fireworks manufacturing field especially a kind of equipment for building and pressing fireworks powder into firework barrel. BACKGROUND

[0002] In prior art, the powder pressing machine for building and pressing fireworks powder is used for the powder pressing procedure of fireworks effect component (such as: powder column, handle, rotating flower and flute sound powder bare powder effect component or with barrel effect component).It is generally four-column structure.For example, the "mould pressing device of fireworks powder column" disclosed in Chinese patent document with announcement number CN221037116U is supported by four support rods 103 for building and pressing.The disadvantage is that it cannot be continuously built and pressed, and only one barrel cake (generally six hexagonal structures formed by multiple fireworks barrels being parallel and bunched) can be built and pressed each time, and the oil press needs to be manually replaced after each time of pressing, so the efficiency is low.Therefore, we have also developed equipment capable of continuously pressing powder, such as the "fireworks inner barrel powder building and pressing equipment" disclosed in Chinese patent document with announcement number CN221173155U.However, this continuously working device uses a conveying belt 20, and fireworks powder building and pressing is a high-risk procedure, which needs to strictly prevent friction or electrical sparks that may ignite dust, and has strict powder amount limit, so its application is limited. SUMMARY

[0003] In order to solve the above-mentioned disadvantages, the technical problem to be solved by the utility model is to provide a device with good safety and capable of continuously pressing powder into fireworks barrel.In order to solve the above-mentioned technical problem, the utility model adopts the technical scheme of a fireworks barrel continuous powder pressing device, characterized by comprising a machine base with a protruding support arm, a hydraulic cylinder is installed on the support arm, a pressing plate connected to the piston of the hydraulic cylinder is arranged below the support arm, a pressing rod positioning template is installed below the pressing plate, a plurality of upper positioning holes are arranged on the pressing rod positioning template, the top parts of a plurality of pressing rods are respectively hoisted in each upper positioning hole, and the pressing plate abuts against the top end of each pressing rod when it is pressed down; the device further comprises a material removal plate fixedly hoisted on the support arm, the material removal plate is provided with a plurality of lower positioning holes, and the lower ends of a plurality of pressing rods are respectively inserted into each lower positioning hole; a turntable is installed on the machine base below the material removal plate, and a plurality of barrel cake positioning mechanisms are circumferentially distributed on the turntable.

[0004] Preferably, one end of the pressing plate close to the machine base is provided with a guide rod, and both ends of the guide rod are fixed on the machine base.

[0005] Preferably, the material removal plate is hoisted at the lower part of a suspender, and the upper end of the suspender is fixed on the support arm.

[0006] Preferably, the pressing rod positioning template is installed below the pressing plate through a connecting assembly, and the connecting assembly comprises:

[0007] The limiting screw rod is located at four corners of the pressing rod positioning template, is threadedly connected with the pressing rod positioning template, and has a bottom end abutting against the lower surface of the pressing plate.

[0008] The T-shaped groove is arranged at the middle part of the outer side of the pressing plate, the T-shaped groove is assembled with the T-shaped bolt, the supporting block is arranged on the T-shaped bolt, the supporting block supports the pressing rod positioning template, the supporting block is threadedly connected with the adjusting screw rod, and one end of the adjusting screw rod abuts against the lower surface of the pressing plate.

[0009] The beneficial effect of the utility model lies in that the number of the cylinder cake positioning mechanisms on the rotating disc can be set according to the work requirement, continuous production is realized under the premise of meeting the safety requirement, and the processing efficiency is improved; the work place can be realized without electrification, the rotating disc structure is easy to clean, and the safety hidden danger is greatly reduced.

[0010] Of course, it is not necessary for any product implementing the utility model to achieve all the advantages mentioned above.

[0011] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art of the technology to which the utility model belongs. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0012] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0013] In addition, the terms "first", "second", etc. are used only for descriptive purposes and do not connote or imply relative importance or an ordered or prioritized sequence thereof. Thus, a feature defined with "first", "second", etc. can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly and specifically limited.

[0014] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0015] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0016] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the device;

[0018] Figure 2 It is a schematic diagram of the structure of the pressing plate;

[0019] Figure 3 It is a schematic diagram of the structure of the stripping plate;

[0020] Figure 4A partial enlarged structural schematic view of the connecting assembly (only one pressing rod 8 and the upper positioning hole 7 are shown in the figure, and the upper positioning hole 7 hidden in the pressing rod positioning template 6 and the partial pressing rod 8 are indicated by dotted lines) is shown. DETAILED DESCRIPTION

[0021] Referring to the accompanying drawings Figures 1-4 , a specific structure of the utility model is reflected. The fireworks cylinder continuous pressing device comprises a machine base 2 with a protruding support arm 1, a hydraulic cylinder 3 is installed on the support arm 1, and a pressing plate 5 connected with the hydraulic cylinder piston 4 is arranged below the support arm 1. In the example, two guide rods 501 are arranged at the end of the pressing plate 5 close to the machine base 2, and the two ends of the guide rods 501 are fixed on the machine base 1. Two guide rod assembly holes 502 and four hanging rod assembly holes 503 are arranged on the pressing plate 5.

[0022] A pressing rod positioning template 6 is installed below the pressing plate 5. In the example, the pressing rod positioning template 6 is installed below the pressing plate 5 through a connecting assembly, as shown in Figure 4 , the connecting assembly comprises:

[0023] Limiting screws 601 are arranged at the four corners of the pressing rod positioning template 6, the limiting screws 601 are threadedly connected with the pressing rod positioning template 6, and the bottom ends of the limiting screws 601 abut against the undersides of the pressing plate 5.

[0024] T-shaped grooves 602 are arranged at the middle portions of the three outer sides of the pressing plate 5, T-shaped bolts 603 are assembled in the T-shaped grooves 602, supporting blocks 604 are installed on the T-shaped bolts 603, the supporting blocks 604 are inserted into the undersides of the pressing rod positioning template 6 to support the pressing rod positioning template 6, and the supporting blocks 604 are also threadedly connected with adjusting screws 605, the upper ends of the adjusting screws 605 abut against the undersides of the pressing plate 5. The adjusting screws 605 facilitate the adjustment of the stress in each direction of the pressing rod positioning template 6, the adjustment of the gap and the level of the pressing plate 5 and the pressing rod positioning template 6, the adaptation to the possible differences between different cylinder cakes, and the guarantee of the balance of pressing.

[0025] A plurality of upper positioning holes 7 are arranged on the pressing rod positioning template 6, the top portions of a plurality of pressing rods 8 are respectively hung in the upper positioning holes 7, the pressing plate 5 abuts against the top ends of the pressing rods 8 when it is pressed down, and the pressing rods 8 can be sleeved with buffer springs (not shown in the figure).

[0026] The device further comprises a material removing plate 9 fixedly hung on the support arm 1. In the example, the material removing plate 9 is hung at the lower portions of four hanging rods 901 through four hanging rod mounting holes 903 at the four corners of the material removing plate 9, and the upper ends of the hanging rods 901 are fixed on the support arm 1.

[0027] The material removing plate 9 is provided with a plurality of lower positioning holes 902, the number, position and size of the lower positioning holes 902 are correspondingly arranged with the upper positioning holes 7. The lower ends of the plurality of pressing rods 8 are respectively inserted into the lower positioning holes 902, and the main function of the material removing plate 9 is to prevent the fireworks cylinder from being lifted when the pressing rods 8 are lifted after being pressed down.

[0028] A rotating disc 10 is installed on the base 2 below the stripper plate 9, and three cylinder positioning mechanisms 11 are distributed around the rotating disc 10. Other embodiments can also set more cylinder positioning mechanisms 11 according to the work requirements, so as to realize continuous production and further improve the work efficiency under the premise of meeting the safety requirements (such as the dose quota).

[0029] The utility model breaks through the limitation of four-column positioning, provides the basis of continuous work of rotating disc through the branch arm hoisting mode, and the device can stably bear the working pressure (generally 30-50 tons of oil press) required by pressing medicine; the rotating disc 10 can adopt hydraulic drive (such as hydraulic indexing disc), realizes the electrification of work place, and the rotating disc structure is easy to clean, and there is basically no dead angle for hiding dust, so that the safety hidden danger is greatly reduced. The hydraulic cylinder 3 and the rotating disc 10 are connected with a hydraulic pump group and a controller (not shown in the figure), and the device can be provided with an induction assembly to monitor the operation of the device, and the induction plate 12 is arranged on the pressure plate 5 in the example, and the photoelectric switch 13 corresponding to the induction plate 12 is arranged, and the photoelectric switch is communicatively connected with the controller, so that the hydraulic cylinder 3 and the rotating disc 10 work coordinately:

[0030] After the start button of the controller is pressed, the rotating disc 10 drives the cylinder (not shown in the figure) on the cylinder positioning mechanism 11 to rotate to the position below the stripper plate 9 and stop, and the hydraulic cylinder 3 is pressed twice and then reset; when pressing, the lower end of the pressure rod 8 presses the firework in each firework cylinder; the rotating disc 10 continues to rotate, the cylinder that has completed the pressing of medicine leaves, the second cylinder enters the position, and the device stops after the three cylinders are pressed in turn. After manually replacing the three cylinders, the start button of the controller is pressed again.

[0031] The above disclosed embodiments of the utility model are only used to help explain the utility model. The embodiments do not describe all the details, and the utility model is not limited to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and combines the drawings to specifically describe these embodiments, so as to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. However, the utility model can be implemented in many other ways different from the description, and the person skilled in the art can make similar improvements without deviating from the connotation of the utility model, therefore, the utility model is limited by the claims and the whole range and equivalent thereof, and is not limited by the disclosed specific embodiments.

Claims

1. A continuous propellant pressing device for fireworks tubes, characterized in that, The machine includes a base with a protruding outrigger, on which a hydraulic cylinder is mounted. A pressure plate connected to the piston of the hydraulic cylinder is located below the outrigger. A pressure rod positioning template is installed below the pressure plate. The pressure rod positioning template has several upper positioning holes, and the tops of several pressure rods are respectively suspended in the upper positioning holes. When the pressure plate is pressed down, it abuts against the tops of the pressure rods. The machine also includes a stripping plate fixedly suspended on the outrigger. The stripping plate has several lower positioning holes, and the lower ends of several pressure rods are respectively inserted into the lower positioning holes. A turntable is installed on the base below the stripping plate, and several cylinder cake positioning mechanisms are distributed circumferentially on the turntable.

2. The continuous propellant pressing device for a fireworks tube as described in claim 1, characterized in that, The pressure plate is provided with a guide rod at one end near the machine base, and both ends of the guide rod are fixed to the machine base.

3. A continuous propellant pressing device for a fireworks tube as described in claim 1 or 2, characterized in that, The stripping plate is suspended at the four corners of the lower part of the lifting rod, and the upper end of the lifting rod is fixed to the support arm.

4. A continuous propellant pressing device for a fireworks tube as described in claim 1 or 2, characterized in that, The pressure bar positioning template is installed below the pressure plate via a connecting assembly, the connecting assembly including: The limiting screws are located at the four corners of the pressure bar positioning template. The limiting screws are threadedly connected to the pressure bar positioning template, and the bottom end of the limiting screws abuts against the bottom of the pressure plate. A T-slot is set in the middle of the outer side of the pressure plate. The T-slot is fitted with a T-bolt. The support block is installed on the T-bolt. The support block supports the positioning template of the pressure rod. The support block is threadedly connected to the adjusting screw. One end of the adjusting screw abuts against the bottom of the pressure plate.

Citation Information

Patent Citations

  • A molding device for fireworks charge column

    CN221037116U

  • Firework inner cylinder explosive building and pressing equipment

    CN221173155U