Punching and lead inserting device of firework pot assembling machine and firework pot assembling machine

By adopting a motor-driven crank-rocker mechanism and guide block design in the fireworks assembly machine, the problem of low precision and efficiency of the drilling and insertion device in the production of fireworks tubes of different specifications has been solved, realizing high-precision and high-efficiency drilling and insertion operations.

CN223954779UActive Publication Date: 2026-02-27LIUYANG JIANGCHENG MACHINERY FACTORY (SOLE PROPRIETORSHIP)
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Patent Information

Application Number
CN202520764356.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-02-27
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

The existing drilling and insertion device of the fireworks assembly machine cannot accurately control the drilling depth when making fireworks tubes of different specifications, and the cylinder drive results in a large device size, high energy consumption and difficult maintenance.

Method used

A crank-rocker mechanism driven by an electric motor replaces the cylinder. The rotational motion of the motor is converted into the linear reciprocating motion of the punch and the insertion assembly through the first and second crank-rocker mechanisms, so as to achieve precise control of the punching depth and insertion position. Combined with the design of the guide block and the cutter, high precision and high efficiency are ensured.

Benefits of technology

It improves the accuracy and efficiency of drilling and insertion, reduces the size and energy consumption of the device, lowers maintenance costs, and is suitable for high-paced, multi-specification fireworks production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a punching and lead inserting device of a firework pot forming machine, which comprises a mounting plate, and a punching mechanism, a lead inserting mechanism and a lead feeding mechanism arranged on one side of the lead inserting mechanism are arranged on the mounting plate. The punching mechanism comprises an obliquely arranged punching needle, the lead inserting mechanism comprises a lead inserting assembly and a cutter arranged between the lead inserting assembly and the lead feeding mechanism, a guide part is arranged on the plate surface of the mounting plate, and the punching needle and the lead inserting assembly are arranged on the guide part in a penetrating manner and are in sliding fit with the guide part; a first driving motor and a second driving motor are arranged on the mounting plate in parallel, and the first driving motor drives the punching needle to reciprocate through a first crank rocker mechanism; one end of the cross beam is connected with the fuse inserting assembly, and the other end of the cross beam is connected with the second driving motor through a second crank rocker mechanism. The device is particularly suitable for high-rhythm, multi-specification and high-reliability firework production lines.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of punching and inserting device of fireworks group pot machine and fireworks group pot machine, belong to fireworks manufacturing technical field. BACKGROUND

[0002] The group pot process in fireworks manufacturing process is the key link of fireworks forming, and its core process includes fireworks cylinder arrangement, fire lead assembly, glue curing, multi-layer stacking and bundling reinforcement and other steps. The traditional manual group pot mode has significant defects such as low operation efficiency, poor positioning accuracy, high safety risk, etc., prompting the industry to upgrade to automation equipment. The modern group pot machine realizes the automatic arrangement and combination of fireworks cylinder through the collaborative operation of the blanking mechanism, the pusher device, the punching and inserting module, the glue spraying system and the pressing mechanism.

[0003] The current punching and inserting device includes a punching mechanism and an inserting mechanism. The punching mechanism includes a punching cylinder and two punching needles. The driving cylinder drives the punching needles to reciprocate, and two lead holes are processed on two adjacent paper tubes. The inserting mechanism includes an inserting assembly and a cutter. After the lead is conveyed to the working range of the inserting assembly, the cutter cuts off the lead, the middle part of the cut lead segment is clamped in the inserting assembly, the inserting assembly bends the lead segment into an inverted U shape, and then the inserting assembly pushes the two ends of the inverted U-shaped lead segment into the two lead holes of the fireworks cylinder, completing the inserting work.

[0004] In the prior art punching and inserting device, the punching needle and the inserting assembly are controlled by the cylinder. When making fireworks tubes of different specifications, the punching mechanism and the inserting mechanism controlled by the cylinder cannot control the insertion depth of the punching needle and the lead, so different stroke cylinders need to be replaced to adapt to the production of fireworks tubes of different specifications. Using a cylinder as a driving part, the overall device is large in size, which is not conducive to maintenance and increases energy consumption. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above technical problems, and provides a kind of fireworks group pot machine punching and inserting device and fireworks group pot machine, which are small in size, convenient to adjust punching depth and faster in work efficiency.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] The application discloses a punching and inserting device for a fireworks group pot machine, which comprises a mounting plate, a punching mechanism, an inserting mechanism and a lead feeding mechanism arranged on one side of the inserting mechanism are arranged on the mounting plate; the punching mechanism comprises a punching needle arranged obliquely relative to the mounting plate; the inserting mechanism comprises an inserting assembly and a cutter arranged between the inserting assembly and the lead feeding mechanism; a mounting element is horizontally arranged on the surface of the mounting plate; the punching needle and the inserting assembly are arranged on the mounting element and are in sliding fit with the mounting element; a first driving motor and a second driving motor are arranged on the mounting plate in parallel; the first driving motor drives the punching needle to perform reciprocating motion through a first crank rocker mechanism; a cross beam is fixedly connected to the inserting assembly; one end of the cross beam is connected to the inserting assembly; the other end of the cross beam is connected to the output end of the second driving motor through a second crank rocker mechanism.

[0008] When the cylinder row enters the working range of the punching and inserting device, the first driving motor transmits power to the punching needle through the first crank rocker mechanism; the first crank rocker mechanism converts the rotary motion of the motor into the linear reciprocating motion of the punching needle, drives the punching needle to accurately complete the punching work on the cylinder row and then returns to the initial position; then, the lead feeding mechanism feeds the lead to the working area of the inserting assembly, the second driving motor is started, and the cutter cuts the lead into lead segments with a required length; the rotary motion of the motor is converted into the linear reciprocating motion of the cross beam through the second crank rocker mechanism, and the inserting assembly is driven to accurately insert the lead segments into the punched cylinder row, thereby completing the inserting work.

[0009] The device significantly improves the punching and inserting precision. The first and second crank rocker mechanisms convert the rotary motion of the motor into linear reciprocating motion, are simple and reliable in structure, are suitable for high-frequency actions and perfectly meet the high rhythm requirement of fireworks production. Meanwhile, the design of the crank rocker mechanism saves the large mounting space required by the traditional cylinder drive, so that the equipment structure is more compact. In addition, the first and second driving motors can be servo motors or stepping motors, can realize accurate speed, stroke and position control, and further ensure the consistency of the punching depth and the inserting position in combination with the mechanical limiting property of the crank rocker mechanism, thereby greatly improving the production efficiency and product quality.

[0010] According to the embodiments of the application, the application can be further optimized, and the following is a technical scheme formed after optimization:

[0011] In a specific embodiment, the first crank rocker mechanism comprises a first crank connected to the output end of the first driving motor, a first transmission rod hinged to the first crank and a connecting piece hinged to the first transmission rod; and the connecting piece is fixedly connected to the punching needle.

[0012] In a specific embodiment, the connecting piece comprises an inclined part fixedly connected with the punching needle and a horizontal part hingedly connected with the first transmission rod; the inclined part is vertically arranged with the punching needle.

[0013] In a specific embodiment, the second crank rocker mechanism comprises a second crank connected with the output end of the second driving motor, a second transmission rod hingedly connected with the second crank, and a third transmission rod hingedly connected with the second transmission rod; the bottom end of the third transmission rod is fixedly connected with the crossbeam.

[0014] In a specific embodiment, the third transmission rod is in sliding fit with the mounting element, and the third transmission rod is arranged in parallel with the mounting plate.

[0015] In a specific embodiment, the side of the crossbeam facing the inserting assembly is provided with a driving block, and a guide inclined surface is formed in the driving block.

[0016] In a specific embodiment, the side of the crossbeam facing the cutter is provided with a roller rotatably connected with the crossbeam, and when the crossbeam moves into the working range of the cutter, the roller abuts against the side wall of the cutter.

[0017] In a specific embodiment, a guide block for the punching needle to pass through is arranged between the inserting assembly and the mounting plate, and the guide block comprises a shell and a core body mounted in the shell and detachably connected with the shell; the core body has a hexagonal cross section, and a plurality of groups of through holes uniformly distributed along the axis of the core body are arranged through the length direction of the core body.

[0018] Based on the same utility model concept, the utility model also provides a group pot machine, including frame, the frame is provided with feeding mechanism, punch inserting mechanism, forming mechanism and discharge mechanism in proper order along material moving direction, the punch inserting mechanism includes mounting frame, be provided with the fireworks group pot machine punch inserting device like the above-mentioned on the mounting frame.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1) The fireworks group pot machine punch inserting device of the utility model in the punch inserting device of the fireworks group pot machine, motor, crank rocker drive pass through the advantages of high precision, high efficiency, low maintenance cost, and are significantly superior to traditional cylinder drive, and are especially suitable for high rhythm, multi-specification, high reliability fireworks production line.

[0021] 2) The structure of the fireworks group pot machine punch inserting device of the utility model is simple, reduces additional guide parts, reduces cost, uses motor drive punch and inserting mechanism to reduce energy loss, reduces device noise and improves working environment.

[0022] 3) The hole-punching and insertion device of the fireworks assembly machine of this utility model solves the problems of low efficiency, poor accuracy and difficulty in replacing vulnerable parts in the traditional fireworks assembly machine hole-punching and insertion process, and is suitable for large-scale and high-precision fireworks production scenarios. Attached Figure Description

[0023] Figure 1 This is an isometric structural schematic diagram of the drilling and insertion device for the fireworks assembly machine of this utility model;

[0024] Figure 2 This is a three-dimensional structural diagram of the drilling and insertion device for the fireworks assembly machine of this utility model;

[0025] Figure 3 This is a partial enlarged side view of the drilling and insertion device for the fireworks assembly machine of this utility model;

[0026] Figure 4 This is a schematic diagram of the bottom structure of the drilling and insertion device for the fireworks assembly machine of this utility model;

[0027] Figure 5 This is a schematic diagram of the guide block of the drilling and insertion device for the fireworks assembly machine of this utility model;

[0028] Figure 6 This is a structural schematic diagram of a fireworks assembly machine, including a drilling and insertion device for fireworks assembly machines.

[0029] In the figure

[0030] 1-Mounting plate; 2-Drilling mechanism; 21-Drilling pin; 3-Insertion mechanism; 31-Insertion assembly; 32-Cutter; 4-Feeding mechanism; 5-Mounting element; 6-First drive motor; 7-Second drive motor; 8-First crank-rocker mechanism; 81-First crank; 82-First transmission rod; 83-Connector; 831-Inclined part; 832-Horizontal part; 9-Crossbeam; 91-Drive block; 92-Roller; 10-Second crank-rocker mechanism; 101-Second crank; 102-Second transmission rod; 103-Third transmission rod; 11-Guide block; 111-Housing; 112-Core; 113-Through hole. Detailed Implementation

[0031] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0032] like Figures 1-2As shown, the perforating and inserting device of the fireworks group pot machine of the embodiment comprises a mounting plate 1, the mounting plate 1 is provided with a perforating mechanism 2, an inserting mechanism 3 and a sending mechanism 4 arranged on one side of the inserting mechanism 3; the perforating mechanism 2 comprises an obliquely arranged perforating needle 21, the inserting mechanism 3 comprises an inserting assembly 31 and a cutter 32 arranged between the inserting assembly 31 and the sending mechanism 4.

[0033] A mounting element 5 is arranged on the surface of the mounting plate 1, the perforating needle 21 and the inserting assembly 31 are both arranged on the mounting element 5 and are in sliding fit with the mounting element 5; the mounting plate 1 is provided with a first driving motor 6 and a second driving motor 7 arranged side by side, the first driving motor 6 drives the perforating needle 21 to reciprocate through a first crank rocker mechanism 8; the first crank rocker mechanism 8 comprises a first crank 81 connected with the output end of the first driving motor 6, a first transmission rod 82 hinged with the first crank 81 and a connecting piece 83 hinged with the first transmission rod 82; the connecting piece 83 is fixedly connected with the perforating needle 21; the connecting piece 83 comprises an inclined part 831 fixedly connected with the perforating needle 21 and a horizontal part 832 hinged with the first transmission rod 82; the inclined part 831 is arranged vertically with the perforating needle 21.

[0034] As shown in Figure 1 , Figure 2 , Figure 3 The mounting element 5 is arranged on the surface of the mounting plate 1, the perforating needle 21 and the inserting assembly 31 are both arranged on the mounting element 5 and are in sliding fit, the mounting element 5 plays the role of accurate guiding, ensures the linearity and stability of the movement of the perforating needle 21 and the inserting assembly 31, improves the accuracy of perforating and inserting, avoids the problems of inaccurate perforating or not inserting in place caused by movement deviation, and thus improves the quality of products.

[0035] The first driving motor 6 drives the perforating needle 21 to reciprocate through the first crank rocker mechanism 8, this transmission mode can convert the rotary motion of the motor into the reciprocating linear motion of the perforating needle 21, and the structure is simple, stable and reliable. The setting of the first crank rocker mechanism 8 can adjust the movement stroke and frequency of the perforating needle according to actual needs, so as to adapt to the perforating needs of fireworks pots of different specifications, and improve the universality and adaptability of the device.

[0036] The inclined part 831 of the connecting piece 83 is vertically arranged with the punching needle, and is hinged with the first transmission rod through the horizontal part 832, so that the punching needle 21 can better transmit power during movement, and the stability and reliability of the movement of the punching needle are ensured, and the installation and disassembly of the punching needle are facilitated. The separate design of the inclined part 831 and the horizontal part 832 of the connecting piece 83 realizes the fixed inclination angle of the punching needle 21 through rigid connection, and solves the mechanical matching problem of inclined movement and horizontal transmission.

[0037] The cross beam 9 is fixedly connected with the plug-in assembly 31, one end of the cross beam 9 is connected with the plug-in assembly 31, and the other end is connected with the second driving motor 7 through the second crank rocker mechanism 10. The second crank rocker mechanism 10 includes a second crank 101 connected with the output end of the second driving motor 7, a second transmission rod 102 hinged with the second crank 101, and a third transmission rod 103 hinged with the second transmission rod 102; the bottom end of the third transmission rod 103 is fixedly connected with the cross beam 9. The third transmission rod 103 is in sliding fit with the mounting element 5, and the third transmission rod 103 is arranged in parallel with the mounting plate 1.

[0038] The cross beam 9 is a rigid support of the plug-in assembly 31, which enhances the stability of the overall structure and avoids vibration deviation in the plug-in action. The second driving motor 7 drives the plug-in assembly through the second crank rocker mechanism 10, which is similar to the driving mode of the punching mechanism. This transmission mode can realize accurate motion control of the plug-in assembly 31, so that the plug-in action can accurately insert the fuse into the punched hole, and the success rate and quality of the plug-in are improved. The third transmission rod 103 is in sliding fit with the mounting element 5 and is arranged in parallel with the mounting plate 1, which further ensures the stability and linearity of the movement of the plug-in assembly 31, ensures the accuracy of the plug-in action, and avoids deviation in the plug-in process.

[0039] The side of the cross beam 9 facing the plug-in assembly 31 is provided with a driving block 91, and a guide inclined surface is formed in the driving block 91. The side of the cross beam 9 facing the cutter 32 is provided with a roller 92 rotatably connected with the cross beam 9, and when the cross beam 9 moves to the working range of the cutter 32, the roller 92 abuts against the side wall of the cutter 32.

[0040] The driving block 91 on the cross beam 9 has a guide inclined surface, which abuts against the forming mechanism on the plug-in assembly 31 when the cross beam 9 moves downward, facilitating the bending of the lead segment into an inverted U shape.

[0041] The roller 92 on the cross beam 9 abuts against the side wall of the cutter 32 when the cross beam 9 moves into the working range of the cutter 32, which may be designed to trigger the cutter or control the action of the cutter, and the working of the cutter 32 is started or stopped through the contact between the roller 92 and the cutter 32, so as to accurately cut the fuse and ensure that the length of the fuse meets the requirements.

[0042] As shown in Figure 4 , Figure 5 , a guide block 11 for the punching needle 21 to pass through is arranged between the inserting and guiding assembly 31 and the mounting plate 1, the guide block 11 comprises a shell 111 and a core 112 which is detachably connected inside the shell 111; the cross section of the core 112 is hexagonal, and a plurality of groups of through holes 113 which are uniformly distributed along the axis of the core 112 are arranged through the length direction of the core 112.

[0043] The guide block 11 arranged between the inserting and guiding assembly 31 and the mounting plate 1 has the structure of the shell 111 and the detachably connected core 112, which facilitates the replacement and maintenance of the core 112. The cross section of the core 112 is hexagonal, and a plurality of groups of uniformly distributed through holes 113 are arranged through the length direction of the core 112, which can further guide the punching needle 21 and ensure the stability and accuracy of the punching needle 21 during the punching process. The hexagonal cross section enhances the torsional resistance of the core 112 through multi-edge contact, preventing the misalignment of the through holes 113. The plurality of groups of uniformly distributed through holes 113 support batch continuous punching operation, and different groups of through holes can be switched through the rotation of the core 112, which prolongs the service life of the guide block and reduces the maintenance frequency.

[0044] As shown in Figure 6 , based on the same inventive concept, the embodiment further provides a group pot making machine, which comprises a rack 12, the rack 12 is sequentially provided with a feeding mechanism 13, a punching and inserting mechanism 14, a forming mechanism 15 and a discharging mechanism 16 along the material moving direction, the punching and inserting mechanism 14 comprises a mounting frame 141, and the mounting frame 141 is provided with the fireworks group pot making machine punching and inserting device as described above.

[0045] In summary, the fireworks group pot making machine punching and inserting device realizes the automation and precision of punching, inserting and other operations through the synergistic effect of each part structure, improves the production efficiency and product quality, and has certain universality and maintainability.

[0046] The content illustrated in the above embodiments should be understood as that the embodiments are only used to more clearly illustrate the utility model, and are not used to limit the scope of the utility model, and after reading the utility model, various equivalent modifications of the utility model made by those skilled in the art all fall within the scope defined by the claims attached to the present application.

Claims

1. A punching and inserting device for fireworks group pot machine, comprising a mounting plate (1), a punching mechanism (2), an inserting mechanism (3) and a sending mechanism (4) arranged on one side of the inserting mechanism (3) are arranged on the mounting plate (1); the punching mechanism (2) comprises a punching needle (21) arranged obliquely relative to the mounting plate (1), the inserting mechanism (3) comprises an inserting assembly (31) and a cutter (32) arranged between the inserting assembly (31) and the sending mechanism (4); a mounting element (5) is horizontally arranged on the surface of the mounting plate (1), and the punching needle (21) and the inserting assembly (31) are both arranged on the mounting element (5) and are in sliding fit with the mounting element (5); characterized in that a first driving motor (6) and a second driving motor (7) are arranged side by side on the mounting plate (1), the first driving motor (6) drives the punching needle (21) to reciprocate through a first crank rocker mechanism (8); a cross beam (9) is fixedly connected to the inserting assembly (31), one end of the cross beam (9) is connected to the inserting assembly (31), and the other end of the cross beam (9) is connected to the output end of the second driving motor (7) through a second crank rocker mechanism (10).

2. The perforating and inserting device of the fireworks group pot machine according to claim 1, characterized in that: The first crank rocker mechanism (8) comprises a first crank (81) connected to the output end of the first driving motor (6), a first transmission rod (82) hinged to the first crank (81), and a connecting piece (83) hinged to the first transmission rod (82); the connecting piece (83) is fixedly connected to the punching needle (21).

3. The perforating and inserting device of the fireworks group pot machine according to claim 2, characterized in that: The connecting piece (83) comprises an inclined part (831) fixedly connected to the punching needle (21) and a horizontal part (832) hinged to the first transmission rod (82); the inclined part (831) is arranged perpendicularly to the punching needle (21).

4. The perforating and inserting device of the fireworks group pot machine according to claim 1, characterized in that: The second crank rocker mechanism (10) comprises a second crank (101) connected to the output end of the second driving motor (7), a second transmission rod (102) hinged to the second crank (101), and a third transmission rod (103) hinged to the second transmission rod (102); the bottom end of the third transmission rod (103) is fixedly connected to the cross beam (9).

5. The perforating and inserting device of the fireworks group pot machine according to claim 4, characterized in that: The third transmission rod (103) is in sliding fit with the mounting element (5), and the third transmission rod (103) is arranged parallel to the mounting plate (1).

6. The perforating and inserting device of the fireworks group pot machine according to claim 1, characterized in that: A driving block (91) is arranged on the side of the cross beam (9) facing the inserting assembly (31), and a guide inclined surface is formed in the driving block (91).

7. The perforating and inserting device of the fireworks group pot machine according to claim 1, characterized in that: A roller (92) is arranged on the side of the cross beam (9) facing the cutter (32) and is rotatably connected to the cross beam (9), when the cross beam (9) moves to the working range of the cutter (32), the roller (92) abuts against the side wall of the cutter (32).

8. The perforating and inserting device of the fireworks group pot machine according to claim 1, characterized in that: A guide block (11) for the punch needle (21) to pass through is arranged between the insertion assembly (31) and the mounting plate (1), the guide block (11) comprises a shell (111) and a core (112) which is detachably connected with the shell (111) and is arranged inside the shell (111); the core (112) is hexagonal in cross section, and a plurality of groups of through holes (113) which are uniformly distributed along the axis of the core are arranged through the length direction of the core (112).

9. A group pot machine, comprising a frame (12), wherein a feeding mechanism (13), a punching and inserting mechanism (14), a forming mechanism (15) and a discharging mechanism (16) are arranged in sequence along the material moving direction on the frame (12), characterized in that: The punch insertion mechanism (14) comprises a mounting rack (141), and the mounting rack (141) is provided with the fireworks group pot machine punch insertion device as claimed in any one of claims 1-8.