Firecracker lead processing device

By designing a firecracker fuse processing device, which employs a multi-blade cutting and gunpowder collection structure, the problem of gunpowder leakage during fuse cutting is solved, achieving efficient and safe fuse cutting and gunpowder recovery.

CN223741361UActive Publication Date: 2025-12-30WANZAI COUNTY QIANGSHENG FIREWORKS MATERIALS CO LTD
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Patent Information

Application Number
CN202520236981.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-30
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

In the existing technology, during the cutting of firecracker fuses, gunpowder leakage at the fuse end affects the ignition effect, causes environmental pollution, and poses safety hazards.

Method used

Design a firecracker fuse processing device that uses multiple cutters to cut the fuse at equal intervals and collects gunpowder through a support block and groove structure to achieve centralized collection and recycling of gunpowder.

Benefits of technology

It enables continuous cutting of the fuse, reduces gunpowder leakage, improves the integrity and safety of the cutting, and reduces environmental pollution and cost waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a firecracker lead processing device which comprises a box frame provided with a knife rest in a rotating mode, fixedly-installed cutters are arranged on the circumference of the knife rest, a bearing block for clamping and conveying a lead is arranged between every two adjacent cutters, and an outer cover located on the outer side of the knife rest is further fixedly installed on the box frame. A protrusion matched with the cutter for cutting is fixedly installed in the outer cover. According to the firecracker lead processing device, leads are cut at equal intervals through the cutter to obtain proper lengths, the leads fall into the box frame to be collected when rotating to the position above the box frame, gunpowder at the two ends of each lead falls into the containing section in the cutting process, and therefore the gunpowder can be conveniently collected in a centralized mode; the groove is formed in the box frame, gunpowder in the containing section is stacked in the groove along the arc face, the gunpowder falls into the box frame to be collected after the groove is inverted, centralized treatment of cut line segments and residual gunpowder is achieved, recycling and retreatment of the gunpowder are facilitated, and cost waste and pollution to the workshop environment are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a firecracker processing equipment technical field, concretely relates to a firecracker fuse processing device. BACKGROUND

[0002] The fuse ignites the fuse of the firecracker, and the processing mode of paper curling wrapping combustible or woven wire wrapping combustible is generally used in the fuse, and the fuse needs to be cut to the appropriate length after production to adapt to the large number of firecracker placement work.

[0003] According to the disclosure (announcement) number: CN117928312A, the disclosure (announcement) date: 2024-04-26, a film pressure firework insertion uses fuse cutting device is disclosed.

[0004] In the prior art including the above patent, the whole fuse is usually cut off in the process of cutting the fuse, and the cutting tool is gradually cut in half until the appropriate length is obtained, which needs to take the processed fuse from the winding device, and the cutting process is accompanied by a certain omission of the powder at both ends of the fuse, which affects the subsequent ignition effect of the fuse end, and the omitted powder will cause environmental pollution to the processing workshop and affect the production safety of the workshop. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a firecracker fuse processing device, which aims to solve the above problems.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A firecracker fuse processing device, comprising a fuse provided with a wire segment, further comprising a box frame provided with a knife holder, a fixed cutter is arranged on the knife holder in a circumferential direction, and a bearing block for clamping and conveying the fuse is arranged between adjacent cutters;

[0008] The box frame is further provided with an outer cover fixedly installed on the outer side of the knife holder, and the outer cover is provided with a protrusion matched with the cutter for cutting;

[0009] The bearing block and the cutter form a segment, the end of the bearing block is fixedly installed with a block end, and a groove is arranged between the block end and the segment.

[0010] Preferably, the box frame is fixedly installed with symmetrically arranged side frames, and the shaft of the knife holder is fixedly installed with a rotating shaft rotating on the side frame.

[0011] Preferably, the outer cover is fixedly installed on the side frame, and the end of the outer cover is fixedly installed with a clamping end matched with the side wall of the box frame and used for adhering to the fuse.

[0012] Preferably, a take-up section matched with the section is arranged between the adjacent cutters.

[0013] Preferably, a receiving groove for the take-up section is arranged on the carrier block.

[0014] Preferably, a partition plate is fixedly arranged in the box frame, and the partition plate divides the internal space of the box frame to form a line storage chamber and a powder storage chamber.

[0015] Preferably, the line storage chamber port is matched with the take-up section.

[0016] Preferably, the powder storage chamber is matched with the section.

[0017] Preferably, an elastic plate for abutting against the carrier block is fixedly arranged on the partition plate.

[0018] Preferably, the elastic plate is an elastic metal plate.

[0019] In the above technical solution, the firecracker fuse processing device has the following beneficial effects: the multiple cutters cut the fuse at equal distances to obtain a proper length, and the line section is allowed to stay on the carrier block during the operation process, so as to drop into the collection when rotating above the box frame, and the powder at both ends of the line section is allowed to drop into the section during the cutting process, so as to facilitate the centralized collection of the powder, and the powder in the section is allowed to be accumulated in the groove along the arc surface during the rotation of the cutter holder, and the powder is allowed to drop into the box frame for collection after the groove is inverted, so as to realize the centralized processing of the cut line section and the residual powder, facilitate the recycling and reprocessing of the powder, reduce the cost waste and the pollution to the workshop environment. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 The drawing shows the transparent cover of the fuse cutting device provided by the embodiment of the present application.

[0022] Figure 2 The drawing shows the front view of the fuse cutting device provided by the embodiment of the present application.

[0023] Figure 3 The drawing shows the structure of the cutter holder provided by the embodiment of the present application.

[0024] Figure 4 The drawing shows the enlarged view of A in the fuse cutting device provided by the embodiment of the present application. Figure 3

[0025] ​Reference numerals:

[0026] 1, box frame; 11, side frame; 12, partition; 121, wire storage chamber; 122, medicine storage chamber; 13, elastic plate; 2, rotating shaft; 21, knife holder; 22, cutting knife; 23, bearing block; 231, receiving groove; 24, block end; 25, groove; 26, receiving section; 27, wire collecting section; 3, cover; 31, clamping end; 32, protrusion; 4, lead; 41, wire section. DETAILED DESCRIPTION

[0027] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0028] As Figures 1-4 shown, a firecracker lead processing device, comprising a lead 4 provided with a wire section 41, further comprising a box frame 1 rotatably provided with a knife holder 21, the knife holder 21 is circumferentially provided with a fixedly installed cutting knife 22, and a bearing block 23 for clamping and conveying the lead 4 is arranged between adjacent cutting knives 22;

[0029] The box frame 1 is further fixedly installed with a cover 3 outside the knife holder 21, and the cover 3 is fixedly installed with a protrusion 32 matched with the cutting knife 22 for cutting;

[0030] The bearing block 23 and the cutting knife 22 form a receiving section 26, the bearing block 23 is fixedly installed with a block end 24, and a groove 25 is arranged between the block end 24 and the receiving section 26.

[0031] Specifically, the wire section 41 is a section of the lead 4 cut off, and the material is the same as the prior art, which will not be described here, the box frame 1 is open upward and has a box body shape, so as to be responsible for the collection work.

[0032] Further, the bearing block 23 is an arc block, has a clamping surface matched with the circular knife holder 21, so that the bearing block 23 clamps and takes the lead 4 in cooperation with the inner wall of the cover 3, and pulls in the subsequent lead 4 in the rotating process, so as to realize continuous cutting work; at the same time, the position of the protrusion 32 can make the wire section 41 to be cut on the lead 4 completely enter the cover 3 before falling, so as to avoid discontinuous cutting.

[0033] Further, the width of the cover 3 is greater than the width of the knife holder 21, which is used for dust prevention, and the cover 3 is provided with transparent semicircular cover bodies (attached to the front and rear side walls of the knife holder 21, not directly shown in the figure) in front and back, which are used to intercept the leakage of gunpowder, the block end 24 is in the shape of a trapezoid, and the inclined surface faces the side wall of the knife holder 21 (i.e. the position of the receiving section 26), so as to facilitate the groove 25 to temporarily store the missed gunpowder.

[0034] The plurality of cutters 22 are used to cut the lead wire 4 equidistantly by rotating the cutter holder 21, so as to obtain the wire segment 41 with appropriate length, and the wire segment 41 is stopped on the bearing block 23 during operation, so that the wire segment 41 rotating above the box holder 1 falls into the collection, and the powder at both ends of the wire segment 41 falls into the collection segment 26 during the cutting process, so as to facilitate the collection of the powder, and the powder in the collection segment 26 is accumulated in the groove 25 along the arc surface during the rotation of the cutter holder 21, and the powder falls into the box holder 1 after the groove 25 is inverted, so as to realize the centralized treatment of the cut wire segment 41 and the residual powder, facilitate the recycling of the powder, reduce the cost waste and the pollution to the workshop environment.

[0035] As a further provided embodiment of the utility model, the box holder 1 is fixedly installed with symmetrically arranged side frames 11, and the cutter holder 21 is fixedly installed with a rotating shaft 2 rotating on the side frame 11.

[0036] Specifically, the side frame 11 is fixedly installed with a motor (the power and installation and use mode are prior art, and details are not repeated here) connected with the output end of the rotating shaft 2.

[0037] The rotating shaft 2 is driven to rotate by the motor, and the cutter holder 21 is driven to rotate and cut by the bracket fixedly installed on the rotating shaft 2, and the side frame 11 provides the premise for the stable work of the cutter holder 21.

[0038] As another further provided embodiment of the utility model, the cover 3 is fixedly installed on the side frame 11, and the cover 3 is fixedly installed with a clamping end 31 matched with the side wall of the box holder 1 and used for abutting the lead wire 4.

[0039] Specifically, the cover 3 is in the shape of an inverted "C" letter, so as to facilitate the protection work.

[0040] The cover 3 stably works under the support of the side frame 11, so that the clamping end 31 at the lower end of the cover 3 leads the lead wire 4 to enter, the side wall of the box holder 1 can guide and support the lead wire 4, so as to reduce the deviation of the lead wire 4 entering the cover 3 and the like, and the bearing block 23 and the clamping end 31 can clamp and convey the lead wire 4 at this time, so as to ensure the smoothness of the whole cutting process, and the lead wire 4 in the cover 3 is cut into the wire segment 41 during the clamping process, so as to ensure the cutting integrity and continuity.

[0041] As another further provided embodiment of the utility model, a wire collecting segment 27 matched with the collection segment 26 is arranged between adjacent cutters 22.

[0042] Specifically, the arc length of the wire collecting segment 27 is the length of the wire segment 41, and the wire collecting segment 27 is located outside the collection segment 26.

[0043] The fixed length of the wire segment 41 is provided by the take-up segment 27, so that the cut wire segment 41 is more in line with the specifications, and the powder leakage generated by the cutting is inevitably collected in the collection segment 26 under the action of gravity and collected after falling.

[0044] As a further embodiment of the utility model further provides, the bearing block 23 is provided with a receiving groove 231 for accommodating the wire segment 41.

[0045] Specifically, the diameter of the receiving groove 231 is greater than the diameter of the wire segment 41.

[0046] The receiving groove 231 provides a limiting function for the lead 4 until the wire segment 41 is clamped and transported after cutting, ensuring the stability of the wire segment 41 operation, and reducing the problem of large leakage of powder.

[0047] As a further embodiment of the utility model further provides, the box frame 1 is fixedly provided with a partition plate 12, and the partition plate 12 divides the internal space of the box frame 1 to form a wire storage chamber 121 and a powder storage chamber 122.

[0048] Specifically, the partition plate 12 is a hard metal plate that divides the space and has a height lower than the height of the internal space of the box frame 1.

[0049] The partition plate 12 can divide the box frame 1, efficiently utilize the internal space of the box frame 1, and facilitate subsequent centralized processing, reducing the on-site operation time.

[0050] As a further embodiment of the utility model further provides, the wire storage chamber 121 is matched with the take-up segment 27.

[0051] When the wire segment 41 falls into the wire storage chamber 121, it is convenient to centrally process the wire segment 41.

[0052] As a further embodiment of the utility model further provides, the powder storage chamber 122 is matched with the collection segment 26.

[0053] The powder in the groove 25 falls downward into the powder storage chamber 122 when it is inverted again when it is inverted again, so as to realize separate processing of the wire segment 41 and the powder.

[0054] As a further embodiment of the utility model further provides, the partition plate 12 is fixedly provided with an elastic plate 13 for abutting against the bearing block 23.

[0055] Specifically, the elastic plate 13 has an arc-shaped cross section, and the arc top is directed toward the shaft of the tool holder 21, so that the concave part of the elastic plate 13 functions as a shovel for the wire segment 41.

[0056] The elastic plate 13 is used to remove the line segment 41 downwardly running, so as to accelerate the discharge of the line segment 41, avoid the line segment 41 from staying on the bearing block 23 and affecting the subsequent cutting work, and also use the arc top to guide the powder, so that the powder falls into the powder storage chamber 122, and the separation effect is further improved.

[0057] As further provided by the utility model, the elastic plate 13 is specifically an elastic metal plate.

[0058] The elastic metal plate is used to make elastic sliding contact in the removal process, so as to avoid stopping the rotating cutter holder 21, and also not to interfere with the normal falling of the line segment 41.

[0059] Working principle: the multiple cutters 22 are used to cut the lead wire 4 at equal intervals through the rotating cutter holder 21, so as to obtain the line segment 41 with appropriate length, and the line segment 41 stays on the bearing block 23 during running, so as to drop into the collection of the box holder 1, and the powder at both ends of the line segment 41 falls into the receiving segment 26 during the cutting process, the powder in the receiving segment 26 is accumulated in the groove 25 along the arc surface during the rotation of the cutter holder 21, and the powder falls into the box holder 1 after the groove 25 is inverted, so as to realize the centralized processing of the cut line segment 41 and the residual powder.

[0060] The above only describes some exemplary embodiments of the utility model by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model for ordinary skilled in the art. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A firecracker fuse processing device comprising a fuse (4) provided with a wire segment (41), characterized in that, Also include the box frame (1) provided with a knife holder (21) rotation, the knife holder (21) is circumferentially arranged with fixedly installed cutter (22), and the adjacent cutter (22) is provided with a clamping lead (4) delivery bearing block (23); The box frame (1) is also fixedly installed with the cover (3) outside the knife holder (21), and the cover (3) is fixedly installed with the protrusion (32) matched with the cutter (22) cutting; The bearing block (23) and the cutter (22) form a section (26), the bearing block (23) is fixedly installed with the block end (24), and the block end (24) and the section (26) are provided with a groove (25).

2. The firecracker fuse processing device according to claim 1, wherein The box frame (1) is fixedly installed with symmetrically arranged side frame (11), and the shaft (2) of the knife holder (21) is fixedly installed on the side frame (11).

3. The firecracker fuse processing device according to claim 2, wherein The cover (3) is fixedly installed on the side frame (11), and the cover (3) is fixedly installed with the clamping end (31) matched with the side wall of the box frame (1) and used for fitting the lead (4).

4. The firecracker fuse processing device according to claim 2, wherein The adjacent cutter (22) is provided with a line receiving section (27) matched with the section (26).

5. The firecracker fuse processing device according to claim 2, wherein The bearing block (23) is provided with a receiving groove (231) for receiving the line section (41).

6. The firecracker fuse processing device according to claim 4, wherein The box frame (1) is fixedly installed with a partition plate (12), and the partition plate (12) divides the internal space of the box frame (1) to form a line storage chamber (121) and a medicine storage chamber (122).

7. The firecracker fuse processing device according to claim 6, wherein The line storage chamber (121) is matched with the line receiving section (27).

8. The firecracker fuse processing device according to claim 6, wherein The medicine storage chamber (122) is matched with the section (26).

9. The firecracker fuse processing device according to claim 6, wherein The partition plate (12) is fixedly installed with an elastic plate (13) used for resisting the bearing block (23).

10. The firecracker fuse processing device according to claim 9, wherein The elastic plate (13) is specifically an elastic metal plate.

Citation Information

Patent Citations

  • Film pressure firework inserting lead cutting device

    CN117928312A