Firecracker paper tube slitting device
By designing a firecracker paper tube slitting device, a reciprocating cutter driven by a servo motor and a clamping and flattening assembly were used to solve the problems of low slitting efficiency and inconsistent lengths of firecracker paper tubes. This achieved automated slitting and stable clamping and flattening of the paper tubes, thus improving the slitting effect.
Patent Information
- Application Number
- CN202423318716.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing method of cutting firecracker paper tubes is inefficient. The paper tubes are not stacked neatly, making it difficult to flatten and maintain stability, resulting in poor cutting effect and inconsistent paper tube length.
A firecracker paper tube slitting device was designed, comprising a fixed frame, a reciprocating cutter, a drive assembly, a clamping assembly, and a flattening assembly. The device utilizes a servo motor to drive a reciprocating lead screw and a slant wheel to move the cutter. Combined with the cooperation of a clamping plate and a pressure plate, it achieves automatic slitting and stable clamping and flattening of the paper tube.
It improves slitting efficiency, ensures a flat paper tube cut surface, avoids paper tube shaking and uneven length during slitting, and enhances the slitting effect.
Smart Images

Figure CN223700928U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a firecracker processing technical field especially relates to a firecracker paper tube slitting device. BACKGROUND
[0002] In the firecracker production link, in order to facilitate subsequent production operation, therefore need to cut firecracker paper tube, when cutting firecracker paper tube, usually through artificial use cutting knife manually cut firecracker paper tube one by one to reach the purpose of slitting.
[0003] Because firecracker paper tube is usually placed together in parallel, and the existing slitting mode is inconvenient to automatically cut firecracker paper tube when cutting, which leads to low slitting efficiency, and the stacked firecracker paper tube is easy to be uneven, the existing slitting mode is difficult to flatten the paper tube when cutting, and it is inconvenient to keep the paper tube stable when cutting, which leads to the length of the cut paper tube being not uniform, thus leading to poor slitting effect. UTILITY MODEL CONTENTS
[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a firecracker paper tube slitting device, which can automatically cut firecracker paper tube to improve the slitting efficiency, flatten the paper tube and keep it stable during cutting to make the length of the cut paper tube uniform, thus enhancing the slitting effect.
[0005] The technical scheme of the utility model is: a firecracker paper tube slitting device, comprising:
[0006] A fixed frame;
[0007] A fixed plate fixedly connected to the fixed frame, and a top plate arranged on the fixed plate;
[0008] A reciprocating cutter arranged on one side of the fixed plate;
[0009] A drive assembly arranged on the fixed plate;
[0010] A material cylinder arranged on the drive assembly;
[0011] A paper tube located in the middle of the material cylinder;
[0012] A clamping assembly arranged on the fixed plate;
[0013] A flattening assembly arranged on the material cylinder.
[0014] Further, the drive assembly comprises: a servo motor fixedly connected to one side of the fixed plate; a reciprocating screw rod fixedly connected to the output shaft of the servo motor; a moving frame threadedly connected to the reciprocating screw rod; and the material cylinder is fixedly connected to the moving frame.
[0015] Further, the reciprocating cutter comprises two housings, one of which is fixed to one side of the fixed plate (2), and the other housing is fixed to the one housing; a driving motor installed between the two housings; a bevel gear fixed to the output shaft of the driving motor; a blade slidingly connected between the two housings; and two limiting rings fixed to one side of the blade.
[0016] Further, the clamping assembly comprises a clamping plate slidingly connected to one side of the barrel; two convex rods fixed to the clamping plate; two compression springs connected between the clamping plate and the barrel; and an extrusion frame fixed to one side of the fixed plate, wherein two sliding grooves are formed in the extrusion frame, and the two convex rods are in contact with the two sliding grooves of the extrusion frame.
[0017] Further, the flattening assembly comprises a fixed block fixed to the barrel; a rotating plate rotatably connected to the fixed block; two torsional springs connected between the fixed block and the rotating plate; and a pressing plate fixed to the rotating plate.
[0018] Further, the pressing plate is made of rubber.
[0019] Beneficial effects are: 1. The reciprocating screw rod rotates to make the moving frame reciprocate, the moving frame reciprocates to drive the paper cylinder to reciprocate through the barrel, the paper cylinder reciprocates, and the reciprocating cutter cuts the paper cylinder, thereby automatically cutting the paper cylinder, thereby improving the efficiency of cutting the paper cylinder.
[0020] 2. The rotating plate drives the pressing plate to rotate, the torsional spring is twisted, then the worker places the bundled paper cylinder in the barrel, then the worker releases the rotating plate, the torsional spring resets to drive the rotating plate and the pressing plate to reset, the pressing plate flattens the paper cylinder, thereby ensuring that the cutting surface of the paper cylinder is flat during cutting, thereby avoiding uneven cutting length, thereby enhancing the cutting effect, the moving barrel clamps the paper cylinder under the action of the extrusion frame, when the barrel resets, the clamping plate releases the paper cylinder to make the paper cylinder fall down, thereby preventing the paper cylinder from shaking during cutting, thereby avoiding uneven cutting length of the paper cylinder, thereby further enhancing the cutting effect of the paper cylinder. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.
[0022] Figure 2 It is a first partial three-dimensional structure schematic diagram of the utility model.
[0023] Figure 3 It is a second partial three-dimensional structure schematic diagram of the utility model.
[0024] Figure 4 It is a third partial three-dimensional structure schematic diagram of the utility model.
[0025] Figure 5 It is the fourth kind of partial three-dimensional structure schematic view of the utility model.
[0026] Figure 6 It is the fifth kind of partial three-dimensional structure schematic view of the utility model.
[0027] Figure 7 It is the partial section three-dimensional structure schematic view of the utility model.
[0028] In the figure, 0-paper tube, 1-fixed frame, 2-fixed plate, 20-top plate, 3-reciprocating cutter, 30-housing, 31-driving motor, 32-angle wheel, 33-blade, 34-limiting ring, 4-servo motor, 5-reciprocating screw rod, 6-moving frame, 7-material cylinder, 8-clamping plate, 9-protruding rod, 10-compression spring, 11-squeezing frame, 12-fixing block, 13-rotating plate, 14-pressing plate, 15-torsional spring. DETAILED DESCRIPTION
[0029] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet, welding and sticking in the prior art, which will not be described in detail here.
[0030] Embodiment 1: a firecracker paper tube slitting device, as shown in the figure, comprising: Figures 1-7
[0031] Fixed frame 1;
[0032] Fixed plate 2 fixedly connected to fixed frame 1, and top plate 20 arranged on fixed plate 2;
[0033] Reciprocating cutter 3 arranged on one side of fixed plate 2, and the reciprocating cutter 3 is used for cutting;
[0034] Driving assembly arranged on fixed plate 2;
[0035] Material cylinder 7 arranged on the driving assembly;
[0036] Paper tube 0 located in the middle of material cylinder 7;
[0037] Clamping assembly arranged on fixed plate 2;
[0038] Flattening assembly arranged on material cylinder 7.
[0039] The driving assembly comprises: servo motor 4 fixedly connected to one side of fixed plate 2; reciprocating screw rod 5 fixedly connected to the output shaft of servo motor 4; moving frame 6 connected to reciprocating screw rod 5 through threads; and material cylinder 7 fixedly connected to moving frame 6.
[0040] The reciprocating cutter 3 comprises two housings 30, one of which is fixed to one side of the fixed plate 2, and the other of which is fixed to the housing 30; a driving motor 31 installed between the two housings 30; a bevel gear 32 fixed to the output shaft of the driving motor 31; a cutter blade 33 slidingly connected between the two housings 30; and two limiting rings 34 fixed to one side of the cutter blade 33.
[0041] The clamping assembly comprises a clamping plate 8 slidingly connected to one side of the barrel 7; two convex rods 9 fixed to the clamping plate 8; two compression springs 10 connected between the clamping plate 8 and the barrel 7; and an extrusion frame 11 fixed to one side of the fixed plate 2, wherein the extrusion frame 11 is provided with two sliding grooves, and the two convex rods 9 are in contact with the two sliding grooves of the extrusion frame 11.
[0042] The flattening assembly comprises a fixed block 12 fixed to the barrel 7; a rotating plate 13 rotatably connected to the fixed block 12; two torsion springs 15 connected between the fixed block 12 and the rotating plate 13; and a pressing plate 14 fixed to the rotating plate 13.
[0043] The pressing plate 14 is made of rubber, and the rubber pressing plate 14 is used to flatten the paper tube 0.
[0044] When the paper tube 0 needs to be slitting, the staff first rotates the rotating plate 13, the rotating plate 13 rotates to drive the pressing plate 14 to rotate, the torsional spring 15 is twisted, then the staff places the bundled paper tube 0 in the barrel 7, then the staff releases the rotating plate 13, the torsional spring 15 resets to drive the rotating plate and the pressing plate 14 to reset, the pressing plate 14 will flatten the paper tube 0, thereby ensuring that the paper tube 0 cutting surface is flat during slitting, thereby avoiding uneven slitting length, thereby enhancing the effect after slitting, then the staff starts the reciprocating cutter 3 and the servo motor 4, the output shaft of the driving motor 31 rotates to drive the bevel gear 32 to rotate, the bevel gear 32 rotates to first extrude the limiting ring 34 to make the blade 33 move to one side, the bevel gear 32 continues to rotate to reset the blade 33 by extruding the limiting ring 34, repeat this, the bevel gear 32 rotates to repeatedly extrude the limiting ring 34 to make the blade 33 repeatedly move, the output shaft of the servo motor 4 rotates to drive the reciprocating lead screw 5 to rotate, the reciprocating lead screw 5 rotates to make the moving frame 6 move through the thread, the moving frame 6 moves to drive the paper tube 0 to move to one side, while the paper tube 0 moves, the reciprocating cutter will slit the paper tube 0, the moving frame 6 continues to move to push the cut paper tube 0 to the inclined surface of the fixed plate 2, the slitted paper tube 0 is conveyed downward, the top plate 20 will support the paper tube 0 above, the reciprocating lead screw 5 continues to rotate to make the moving frame 6 move reversely, the moving frame 6 moves reversely to drive the barrel 7 to move reversely, after the barrel 7 moves reversely for a distance, the paper tube 0 falls downward on the fixed plate 2 under the action of gravity, repeat this, the reciprocating lead screw 5 rotates to make the moving frame 6 reciprocate, the moving frame 6 reciprocates to drive the paper tube 0 to reciprocate through the barrel 7, while the paper tube 0 reciprocates, the reciprocating cutter 3 will slit the paper tube 0, thereby automatically slitting the paper tube 0, thereby improving the efficiency of slitting the paper tube 0, while the barrel 7 moves, the clamping plate 8 will move, while the clamping plate 8 moves, the extrusion frame 11 will extrude the protruding rod 9 through the sliding slot to make the clamping plate 8 move, the compression spring 10 is compressed, the clamping plate 8 moves to clamp the paper tube 0 in the barrel 7, after the barrel 7 moves reversely for a distance, the extrusion frame 11 no longer extrudes the protruding rod 9, the compression spring 10 resets to drive the clamping plate 8 to reset, the clamping plate 8 releases the paper tube 0, the paper tube 0 falls downward, repeat this, while the barrel 7 moves, the clamping plate 8 will clamp the paper tube 0 under the action of the extrusion frame 11, when the barrel 7 resets, the clamping plate 8 will release the paper tube 0 to make the paper tube 0 fall downward, thereby preventing the paper tube 0 from shaking during slitting, thereby avoiding uneven slitting length of the paper tube 0, thereby further enhancing the slitting effect of the paper tube 0, after slitting is completed, the staff can turn off the servo motor 4 and the reciprocating cutter 3.
[0045] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A firecracker paper tube cutting device, characterized in that: include: Fixture (1); A fixing plate (2) is fixed to the fixing frame (1), and a top plate (20) is provided on the fixing plate (2); A reciprocating cutter (3) is located on one side of the fixed plate (2); A drive assembly mounted on a fixed plate (2); A barrel (7) is mounted on the drive assembly; The paper tube (0) is located in the middle of the material tube (7); The clamping assembly is mounted on the fixed plate (2); The flattening component is located on the material cylinder (7).
2. The firecracker paper tube cutting device as described in claim 1, characterized in that: The drive assembly includes: a servo motor (4) fixed to one side of the fixed plate (2); a reciprocating lead screw (5) fixed to the output shaft of the servo motor (4); a movable frame (6) connected to the reciprocating lead screw (5) by a thread; and a barrel (7) fixed to the movable frame (6).
3. The firecracker paper tube cutting device as described in claim 2, characterized in that: The reciprocating cutter (3) includes: two housings (30), one housing (30) being fixed to one side of the fixing plate (2), and the other housing (30) being fixed to the housing (30); a drive motor (31) installed between the two housings (30); a slant wheel (32) fixed to the output shaft of the drive motor (31); a blade (33) slidably connected between the two housings (30); and two limiting rings (34) fixed to one side of the blade (33).
4. The firecracker paper tube cutting device as described in claim 3, characterized in that: The clamping assembly includes: a clamping plate (8) slidably connected to one side of the material cylinder (7); two protruding rods (9) fixed to the clamping plate (8); two compression springs (10) connected between the clamping plate (8) and the material cylinder (7); and an extrusion frame (11) fixed to one side of the fixing plate (2), which has two sliding grooves and the two protruding rods (9) respectively contacting the two sliding grooves of the extrusion frame (11).
5. A firecracker paper tube cutting device as described in claim 4, characterized in that: The flattening assembly includes: a fixed block (12) fixed to the material cylinder (7); a rotating plate (13) rotatably connected to the fixed block (12); two torsion springs (15) connected between the fixed block (12) and the rotating plate (13); and a pressure plate (14) fixed to the rotating plate (13).
6. The firecracker paper tube cutting device as described in claim 5, characterized in that: The pressure plate (14) is made of rubber.