A firecracker barrel strip cutting machine and production method

Abstract

The present invention relates to a strip cutting machine for firecracker barrels, belonging to the technical field of firecracker production, and includes a feeding device, a strip cutting device and a cutting tool device; the feeding device and the strip cutting device are fixedly installed on the frame, and the feeding device and the cutting tool device are respectively arranged at both ends of the frame; the strip cutting device includes a strip placing platform and a strip cutting working platform; the strip placing platform includes a pressing and pushing frame, and a pressing rod and a strip cutting boosting plate are vertically arranged downward on the pressing and pushing frame; the initial position of the strip cutting boosting plate is at the far end of the strip placing platform, that is, the feeding end; the strip cutting boosting plate is driven by a stepping motor; the strip cutting device is also provided with a transverse movement device at the bottom of the strip cutting working platform. The beneficial effect of the present invention is that it can cut multiple barrel strips into multiple sections of firecracker barrel lengths at the same time, greatly improving the production efficiency and realizing the batch, high-efficiency and automated production of firecracker barrels.

Description

Technical Field

[0001] The present invention relates to a firecracker barrel strip cutting machine and a production method, belonging to the technical field of firecracker production. Background Art

[0002] At present, the traditional firecracker barrel strip cutting machine feeds materials manually; the finished firecracker barrel, which is rolled into a strip-shaped cylinder with a single length of about 990 to 1000 cm, is gradually cut into 60 cm lengths for standby. In view of the disadvantages of the existing low production efficiency and inability to achieve large-scale and high-efficiency automated production, the inventor of the present invention has made technical improvements. Summary of the Invention

[0003] The purpose of the present invention is to provide a firecracker barrel strip cutting machine and a production method, so as to overcome the deficiencies in the prior art.

[0004] The present invention is realized through the following technical solutions, including a feeding device, a strip cutting device and a cutting tool device; and the horizontal plane of the frame is set as the X-axis direction; the feeding device and the strip cutting device are installed on the frame, and the feeding device and the cutting tool device are respectively arranged at both ends of the frame;

[0005] The feeding device includes a feeding belt fixed on the frame, and baffles arranged on both sides of the feeding belt. An auxiliary roller is arranged above the baffles. The feeding belt is driven by a motor, a driving hub and a driven hub; the feeding belt, the baffles on both sides and the auxiliary roller at the top form a rectangular space, and the bundled firecracker barrels are stacked on the feeding belt in a matrix form; it also includes L-shaped pushing plates fixed at intervals on the feeding belt. The pushing plates move together with the feeding belt, and the distance between the pushing plates is greater than the firecracker barrels to be cut;

[0006] The cutting tool device includes a base and a cutting tool frame. The cutting tool frame is vertically arranged on the base. It also includes a driving flywheel and a driven flywheel arranged on the cutting tool frame. A knife belt is arranged between the driving flywheel and the driven flywheel and rotates with the driving flywheel; the driving flywheel is arranged at the bottom of the cutting tool frame and is driven by a flywheel motor installed on the base;

[0007] The strip cutting device includes a strip cutting placement platform and a strip cutting working platform; the strip cutting placement platform includes a pressing and pushing frame. A pressing rod, a pressing plate and a strip cutting boosting plate are vertically arranged downward on the pressing and pushing frame; the initial position of the strip cutting boosting plate is at the far end of the strip cutting placement platform, that is, the feeding end; the strip cutting boosting plate is driven by a stepping motor;

[0008] A transverse movement device is also arranged at the bottom of the strip cutting working platform. The transverse movement device is vertically arranged along the Z-axis perpendicular to the frame. The strip cutting device moves as a whole towards the knife belt, and the knife belt passes through the gap between the strip cutting placement platform and the strip cutting working platform.

[0009] The strip cutting working platform includes an end panel, an upper opening plate, a lower opening plate, a bracket and a hydraulic rod. The upper opening plate and the lower opening plate are respectively hinged to the upper edge and the lower edge of the end panel, and hydraulic rods are also arranged between the upper opening plate, the lower opening plate and the bracket;

[0010] The hydraulic rod controls the opening and closing of the upper opening plate and the lower opening plate. The upper opening plate opens upward, and the lower opening plate opens downward.

[0011] The strip cutting device further includes an inclined discharge chute and a waste chute. The discharge chute and the waste chute are arranged on the end face of the strip cutting working platform on the side of the knife belt and are fixed to the frame through ear plates. The highest points of the inclined discharge chute and the waste chute are respectively arranged behind and in front of the cutting edge of the knife belt.

[0012] The middle of the discharge chute further includes a pre-cut waste opening and closing plate. The pre-cut waste opening and closing plate rotates around an axis. The pre-cut waste opening and closing plate opens and closes through a hydraulic support rod. One end of the hydraulic support rod is connected to the pre-cut waste opening and closing plate, and the other end is fixed to the bottom of the discharge chute through connecting plates and a central shaft on both sides of the discharge chute.

[0013] When the present invention works, it includes the following steps:

[0014] Step 1: Feeding by the feeding device, N firecracker barrels that meet the width of the feeding belt and H layers of firecracker barrels that meet the height of the baffle are stacked in the rectangular space formed by the feeding belt, the baffles on both sides and the auxiliary rollers at the top;

[0015] Step 2: Belt transmission, start the motor, and the L-shaped pushing plate conveys the barrels to the strip cutting working platform;

[0016] Step 3: Pressing the material, the pressing rods and pressing plates on the strip cutting placement platform press the firecracker barrels to be cut; the initial state of the strip cutting boosting plate is to retreat along the track to the far end of the knife belt on the pressing and pushing rack driven by the stepping motor and press the firecracker barrels to be cut;

[0017] Step 4: Pushing the material, the strip cutting boosting plate is driven by the stepping motor to move forward along the track towards the proximal end of the knife belt, control the upper opening plate and the lower opening plate to be in the open state, the firecracker barrels are pushed to the strip cutting working platform, and the hydraulic rod controls the upper opening plate and the lower opening plate to close simultaneously;

[0018] Step 5: Cutting the material, the strip cutting working platform moves integrally towards the knife belt under the action of the transverse movement device. The strip cutting working platform is driven by the transverse movement motor through a transmission chain, and the firecracker barrels are cut column by column by the rotating knife belt;

[0019] Step 6: Discharging the material, the firecracker barrels cut column by column by the rotating knife belt are collected to the collecting device along the discharge chute; the hydraulic rod controls the upper opening plate and the lower opening plate to open simultaneously, and the uncollected barrels are collected to the waste device by the waste chute;

[0020] Step 7 is completed, and steps 4, 5, and 6 are repeated until the cutting of the firecracker barrels into strips is completed.

[0021] The material cutting in step 5 also includes pre-cutting. The firecracker barrels are cut with the first cut on the strip cutting workbench to align the barrels; the pre-cut waste opening and closing plate of the discharge chute is opened, and the waste is collected into the waste device.

[0022] The material cutting in step 5 also includes tail material collection. When the cutting of the firecracker barrels into strips is completed and only the tail material remains, the transverse movement motor stops working, and the hydraulic rod only opens the lower opening plate. The strip cutting boost plate pushes the tail material forward, and the tail material is collected into the waste device through the waste chute.

[0023] The beneficial effect of the present invention is that it can cut multiple barrel strips into multiple sections of firecracker barrel lengths simultaneously, greatly improving the production efficiency and realizing the batch, high-efficiency, and automated production of firecracker barrels. Description of the Drawings

[0024] Figure 1 Structural schematic of the present invention Figure 1 。

[0025] Figure 2 Structural schematic of the present invention Figure 2 。

[0026] Figure 3 Cutting tool holder structure Figure 1 。

[0027] Figure 4 Cutting tool holder structure Figure 2 。

[0028] Figure 5 Strip cutting frame structure Figure 1 。

[0029] Figure 6 Strip cutting frame structure Figure 2 。

[0030] Figure 7 Strip cutting frame structure Figure 3 。

[0031] Figure 8 Strip cutting frame structure Figure 4 。

[0032] Figure 9 Structural diagram of the discharge chute.

[0033] Figure 10 Partial structural diagram of the feeding device. Detailed Implementation Modes

[0034] The following is combined with the attached Figures 1 to 10A further description is given of the preferred embodiments of the present invention. The present invention includes a feeding device 2, a strip cutting device 3, and a cutting tool device 4; and the horizontal plane of the frame 1 is set as the X-axis direction; the feeding device 2 and the strip cutting device 3 are installed on the frame 1, and the feeding device 2 and the cutting tool device 4 are respectively arranged at both ends of the frame 1;

[0035] The described feeding device 2 includes a feeding belt 21 fixed on the frame 1, and baffle plates 22 arranged on both sides of the feeding belt 21. An auxiliary roller 23 is arranged above the baffle plates 22. The feeding belt 21 is driven by a motor 24, a driving hub 241, and a driven hub 242; the feeding belt 21 and the baffle plates 22 on both sides and the auxiliary roller 23 at the top form a rectangular space, and the bundled firecracker barrels are stacked on the feeding belt 21 in a matrix form; it also includes L-shaped pushing plates 211 fixed at intervals on the feeding belt 21. The pushing plates 211 move together with the feeding belt 21, and the distance between the pushing plates 211 is greater than the firecracker barrels to be cut;

[0036] The described cutting tool device 4 includes a base 41 and a cutting tool holder 42. The cutting tool holder 42 is vertically arranged on the base 41. It also includes a driving flywheel 421 and a driven flywheel 422 arranged on the cutting tool holder 42. A knife belt 43 is arranged between the driving flywheel 421 and the driven flywheel 422 and rotates with the driving flywheel 421; the driving flywheel 421 is arranged at the bottom of the cutting tool holder 42 and is driven by a flywheel motor 44 installed on the base 41;

[0037] The described strip cutting device 3 includes a strip cutting placement platform 31 and a strip cutting working platform 32; the strip cutting placement platform 31 includes a pressing and pushing frame 311. A pressing rod 312, a pressing plate 3121, and a strip cutting boosting plate 313 are vertically arranged downward on the pressing and pushing frame 311; the initial position of the strip cutting boosting plate 313 is at the far end of the strip cutting placement platform 31, that is, the feeding end; the strip cutting boosting plate 313 is driven by a stepping motor 33;

[0038] A transverse movement device 34 is also arranged at the bottom of the strip cutting working platform 32. The transverse movement device 34 is vertically arranged along the Z-axis direction perpendicular to the frame 1. The strip cutting device 3 is translated integrally towards the knife belt 43, and the knife belt 43 passes through the gap between the strip cutting placement platform 31 and the strip cutting working platform 32.

[0039] The strip cutting working platform 32 includes an end panel 321, an upper opening plate 322, a lower opening plate 323, a bracket 324, and a hydraulic rod 325. The upper opening plate 322 and the lower opening plate 323 are respectively hinged to the upper edge and the lower edge of the end panel 321. A hydraulic rod 325 is also arranged between the upper opening plate 322, the lower opening plate 323, and the bracket 324;

[0040] The hydraulic rod 325 controls the opening and closing of the upper opening plate 322 and the lower opening plate 323. The upper opening plate 322 opens upward, and the lower opening plate 323 opens downward.

[0041] The described strip cutting device 3 further includes an inclined discharge chute 35 and a waste chute 37. The discharge chute 35 and the waste chute 37 are arranged on the end face of the strip cutting work platform 32 on the side of the knife belt 43, and are fixed to the frame 1 through ear plates 36. The highest points of the inclined discharge chute 35 and the waste chute 37 are respectively arranged at the rear side and the front side of the cutting edge of the knife belt 43.

[0042] The middle part of the discharge chute 35 further includes a pre-cut waste opening and closing plate 351. The pre-cut waste opening and closing plate 351 rotates around an axis. The pre-cut waste opening and closing plate 351 is opened and closed by a hydraulic support rod 352. One end of the hydraulic support rod 352 is connected to the pre-cut waste opening and closing plate 351, and the other end is fixed to the bottom of the discharge chute 35 through connecting plates 353 and a central shaft 354 on both sides of the discharge chute 35.

[0043] The transverse movement device 34 includes a transverse movement motor 341 and a transmission chain 342. The rotating shaft of the transverse movement motor 341 and the transmission chain 342 are arranged perpendicular to the frame 1 in the Z-axis direction. The transverse movement motor 341 and the driven gear 343 are fixed to the frame 1. The bottom of the strip cutting device 3 is fixed to the transmission chain 342.

[0044] The driven flywheel 422 of the described cutting knife device 4 is also connected to an adaptive spring 4221. The adaptive spring 4221 is vertically connected to the cutting knife holder 42 through a spring holder 4222. The driven flywheel 422 is arranged on the adaptive spring 4221 through a connecting component 4223.

[0045] An adjustment knob 4224 is further arranged at the bottom of the adaptive spring 4221, which is used to control the length and tension of the adaptive spring 4221, so as to tension the knife belt 43.

[0046] The described cutting knife device 4 further includes a knife guard plate 45 connected to the cutting knife holder 42. The knife guard plate covers the outside of the knife belt 43 at the active flywheel 421 and the driven flywheel 422.

[0047] The described cutting knife device 4 further includes a blade thickness sensor 46 arranged on the cutting knife holder 42. The blade thickness sensor 46 is arranged on the side of the knife belt 43 through a connecting plate 461 to detect the thickness of the knife belt 43.

[0048] The described cutting knife device 4 further includes a knife sharpener 47 arranged on the cutting knife holder 42. The knife sharpener 47 is arranged on the side of the knife belt 43 through a connecting rod 471 to grind the cutting edge of the knife belt 43.

[0049] When the present invention works, it includes the following steps:

[0050] Step 1: Feeding. Feed N firecracker barrels that can fit the width of the feeding belt 21, and H layers of firecracker barrels that can fit the height of the baffle 22. In this embodiment, 60 firecracker barrels are placed in each row on the feeding belt 21, with a total of 6 layers, and they are stacked in the rectangular space formed by the feeding belt 21, the two side baffles 22, and the auxiliary roller 23 at the top.

[0051] Step 2: Belt transmission. Start the motor 24, and the L-shaped pusher plate 211 transmits the barrels to the strip cutting work platform 32.

[0052] Step 3: Pressing the material. The pressing rod 312 and the pressing plate 3121 on the strip cutting placement platform 31 press on the firecracker barrels to be cut. The initial state of the strip cutting booster plate 313 is to retreat along the track to the far end of the knife belt 43 on the pressing and pushing rack 311 driven by the stepping motor 33, and press on the firecracker barrels to be cut.

[0053] Step 4: Pushing the material. The strip cutting booster plate 313 is driven by the stepping motor 33 to move forward along the track towards the proximal end of the knife belt 43. Control the upper opening plate 322 and the lower opening plate 323 to be in the open state. The firecracker barrels are pushed to the strip cutting work platform 32, and the hydraulic rod 325 controls the upper opening plate 322 and the lower opening plate 323 to close simultaneously.

[0054] Step 5: Cutting the material. The strip cutting work platform 32 moves as a whole towards the knife belt 43 under the action of the transverse movement device 34. The strip cutting work platform 32 is driven by the transverse movement motor 341 through the transmission chain 342, and the firecracker barrels are cut column by column by the rotating knife belt 43.

[0055] Step 6: Discharging the material. The firecracker barrels cut column by column by the rotating knife belt 43 are collected along the discharge chute 35 into the collection device. The hydraulic rod 325 controls the upper opening plate 322 and the lower opening plate 323 to open simultaneously. The uncollected barrels are collected into the waste device through the waste chute 37.

[0056] Step 7: Completion. Repeat steps 4, 5, and 6 until the firecracker barrels are completely processed into strips.

[0057] The material cutting in step 5 also includes pre-cutting. The firecracker barrels are cut for the first time on the strip cutting work platform 32 to align the barrels. The pre-cut waste opening and closing plate 351 of the discharge chute 35 is opened, and the waste is collected into the waste device.

[0058] The material cutting in step 5 also includes collecting the tail material. When the firecracker barrels are finished cutting and only the tail material remains, the transverse movement motor 341 stops working, and the hydraulic rod 325 only opens the lower opening plate 323. The strip cutting booster plate 313 pushes the tail material forward, and the tail material is collected into the waste device through the waste chute 37.

Claims

1. A firecracker barrel cutting machine, characterized in that: including a feeding device (2), a strip cutting device (3) and a cutter device (4); the feeding device (2) and the strip cutting device (3) are installed on the frame (1), and the feeding device (2) and the cutter device (4) are respectively arranged at both ends of the frame (1); The feeding device (2) includes a feeding belt (21) fixed on the frame (1), and baffles (22) arranged on both sides of the feeding belt (21). An auxiliary roller (23) is arranged above the baffles (22). The feeding belt (21) is driven by a motor (24) and a driving hub (241) and a driven hub (242); the feeding belt (21) and the baffles (22) on both sides and the auxiliary roller (23) at the top form a rectangular space, and the bundled firecracker barrels are stacked on the feeding belt (21) in a matrix form; it also includes an L-shaped pusher plate (211) fixedly arranged at intervals on the feeding belt (21). The pusher plate (211) moves together with the feeding belt (21), and the distance between the pusher plates (211) is greater than the firecracker barrels to be cut; The cutter device (4) includes a base (41) and a cutter frame (42). The cutter frame (42) is vertically arranged on the base (41), and also includes a driving flywheel (421) and a driven flywheel (422) arranged on the cutter frame (42). A knife belt (43) is arranged between the driving flywheel (421) and the driven flywheel (422) and rotates with the driving flywheel (421); the driving flywheel (421) is arranged at the bottom of the cutter frame (42) and is driven by a flywheel motor (44) installed on the base (41); The strip cutting device (3) includes a strip cutting placement platform (31) and a strip cutting working platform (32); the strip cutting placement platform (31) includes a pressing and pushing frame (311). A pressing rod (312) and a pressing plate (3121) are vertically arranged downward on the pressing and pushing frame (311), and a strip cutting boosting plate (313); the initial position of the strip cutting boosting plate (313) is at the far end of the strip cutting placement platform (31), that is, the feeding end; the strip cutting boosting plate (313) is driven by a stepping motor (33); A transverse movement device (34) is also arranged at the bottom of the strip cutting working platform (32). The strip cutting device (3) is integrally translated towards the knife belt (43), and the knife belt (43) passes through the gap between the strip cutting placement platform (31) and the strip cutting working platform (32); The strip cutting working platform (32) includes an end panel (321), an upper opening plate (322), a lower opening plate (323), a bracket (324) and a hydraulic rod (325). The upper opening plate (322) and the lower opening plate (323) are respectively hinged to the upper edge and the lower edge of the end panel (321). A hydraulic rod (325) is also arranged between the upper opening plate (322) and the lower opening plate (323) and the bracket (324); The hydraulic rod (325) controls the opening and closing of the upper opening plate (322) and the lower opening plate (323); The described strip cutting device (3) further includes an inclined discharge chute (35) and a waste chute (37). The discharge chute (35) and the waste chute (37) are arranged on the end face of the strip cutting working platform (32) on the side of the knife belt (43), and are fixed to the frame (1) through ear plates (36). The highest points of the inclined discharge chute (35) and the waste chute (37) are respectively arranged at the rear side and the front side of the cutting edge of the knife belt (43); The middle part of the discharge chute (35) further includes a pre-cut waste opening and closing plate (351). The pre-cut waste opening and closing plate (351) rotates around an axis. The pre-cut waste opening and closing plate (351) is opened and closed by a hydraulic support rod (352). One end of the hydraulic support rod (352) is connected to the pre-cut waste opening and closing plate (351), and the other end is fixed to the bottom of the discharge chute (35) through connecting plates (353) and a central axis (354) on both sides of the discharge chute (35); The transverse movement device (34) includes a transverse movement motor (341) and a transmission chain (342). The transverse movement motor (341) and the driven gear (343) are fixed to the frame (1), and the bottom of the strip cutting device (3) is fixed to the transmission chain (342); The driven flywheel (422) of the described cutting tool device (4) is also connected to an adaptive spring (4221). The adaptive spring (4221) is vertically connected to the cutter holder (42) through a spring bracket (4222). The driven flywheel (422) is arranged on the adaptive spring (4221) through a connecting component (4223); An adjustment knob (4224) is further arranged at the bottom of the adaptive spring (4221) for controlling the length and tension of the adaptive spring (4221), thereby tensioning the knife belt (43); The described cutting tool device (4) further includes a knife guard plate (45) connected to the cutter holder (42). The knife guard plate covers the outside of the knife belt (43) at the active flywheel (421) and the driven flywheel (422); The described cutting tool device (4) further includes a blade thickness sensor (46) arranged on the cutter holder (42). The blade thickness sensor (46) is arranged on the side of the knife belt (43) through a connecting plate (461) to detect the thickness of the knife belt (43); The described cutting tool device (4) further includes a knife sharpener (47) arranged on the cutter holder (42). The knife sharpener (47) is arranged on the side of the knife belt (43) through a connecting rod (471) to grind the cutting edge of the knife belt (43); 2. A production method for cutting strips of firecracker barrels, using a firecracker barrel strip cutting machine as described in claim 1, characterized in that It includes the following steps: Step 1: The feeding device (2) feeds. N firecracker barrels that meet the width of the feeding belt (21) and H layers of firecracker barrels that meet the height of the baffle (22) are stacked in the rectangular space formed by the feeding belt (21), the baffles (22) on both sides, and the auxiliary roller (23) at the top; Step 2: Belt transmission. The motor (24) is started, and the L-shaped pushing plate (211) conveys the barrels to the strip cutting working platform (32); Step 3: Pressing the material. The pressing rod (312) and the pressing plate (3121) of the strip cutting placement platform (31) press on the firecracker barrel to be cut; the initial state of the strip cutting booster plate (313) is to retreat along the track to the far end of the knife belt (43) on the pressing and feeding rack (311) driven by the stepping motor (33), and press on the firecracker barrel to be cut. Step 4: Feeding the material. The strip cutting booster plate (313) is driven by the stepping motor (33) to move forward along the track towards the near end of the knife belt (43). Control the upper opening plate (322) and the lower opening plate (323) to be in the open state. The firecracker barrel is pushed to the strip cutting working platform (32), and the hydraulic rod (325) controls the upper opening plate (322) and the lower opening plate (323) to close simultaneously. Step 5: Cutting the material. The strip cutting working platform (32) moves as a whole towards the knife belt (43) under the action of the transverse movement device (34). The strip cutting working platform (32) is driven by the transverse movement motor (341) through the transmission chain (342). The firecracker barrels are cut column by column by the rotating knife belt (43). Step 6: Discharging the material. The hydraulic rod (325) controls the upper opening plate (322) and the lower opening plate (323) to open simultaneously. The firecracker barrels cut column by column by the rotating knife belt (43) are collected along the discharge chute (35) into the collection device; the uncollected barrels are collected into the waste device through the waste chute (37). Step 7: Completion. Repeat steps 4, 5, and 6 until the strip cutting of the firecracker barrels is completed.

3. A method for strip cutting production of firecracker barrels according to claim 2, characterized in that: The step 5 of cutting the material further includes pre-cutting. The firecracker barrel is cut for the first time on the strip cutting working platform (32) to align the barrels; the pre-cut waste opening and closing plate (351) of the discharge chute (35) is opened, and the waste is collected into the waste device.

4. A method for strip cutting production of firecracker barrels according to claim 2, characterized in that: The step 5 of cutting the material further includes collecting the tail material. When the strip cutting of the firecracker barrel is completed and only the tail material remains, the transverse movement motor (341) stops working, and the hydraulic rod (325) only opens the lower opening plate (323). The strip cutting booster plate (313) pushes the tail material forward, and the tail material is collected into the waste device through the waste chute (37).

Images