Quantitative packaging device for bamboo sticks

Abstract

The utility model provides a quantitative packaging device for bamboo sticks, and relates to the technical field of bamboo stick packaging. The packaging bag is used for solving the technical problems that according to existing bamboo stick packaging, a packaging bag is easily punctured by bamboo sticks, and the bamboo sticks are scattered, leaked and stained. A quantitative packaging device for bamboo sticks comprises a feeding box, the feeding box is installed on one side of a conveying table, two roll shafts are rotationally arranged in the feeding box, the two roll shafts are jointly sleeved with a conveying belt, a servo motor is installed on the feeding box, one roll shaft is fixedly connected with an output shaft of the servo motor, and the other roll shaft is fixedly connected with an output shaft of the servo motor. A quantitative receiving and discharging assembly used for quantitatively collecting and feeding bamboo sticks is arranged on the conveying table, and a discharging table is installed on the conveying table. A cylinder drives a push plate to push a foam block to the tip of a bamboo stick, and at the moment, a third elastic pull baffle slides, so that the baffle blocks the foam block in a storage box; when the air cylinder retracts, the push plate drives the baffle to slide and reset, the foam blocks in the storage box fall down, and the effect that the packaging bags are prevented from being punctured by bamboo sticks by adding the foam blocks is achieved.

Description

Technical Field

[0001] The utility model provides a quantitative packaging device for bamboo sticks, and relates to the technical field of bamboo stick packaging. Background Art

[0002] A bamboo skewer is a slender tool, mainly made of bamboo, usually used for skewering food. It has a sharp end, is usually 10 to 30 cm long, and has a diameter of about 1 to 2 mm. Due to its lightness, easy processing, and environmental protection, bamboo skewers are widely used in cooking and handicraft making.

[0003] When bamboo sticks are quantitatively packaged, plastic packaging is generally used. However, both ends or one end of the bamboo sticks are generally sharp. During transportation, the bamboo sticks are easy to pierce the plastic bag used for packaging, causing the bamboo sticks to leak and also easy to make the bamboo sticks dirty, which is inconvenient.

[0004] Therefore, it is necessary to provide a quantitative packaging device for bamboo sticks with a foam block added to prevent the bamboo sticks from piercing the packaging bag. Utility Model Content

[0005] In order to overcome the disadvantages of the existing bamboo stick packaging that the bamboo sticks can easily pierce the packaging bag, causing the bamboo sticks to leak and become dirty, the utility model provides a quantitative packaging device for bamboo sticks with a foam block added to prevent the bamboo sticks from piercing the packaging bag.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides the following technical solutions: a quantitative packaging device for bamboo sticks, including a feed box, a conveying platform, a servo motor, a roller, a conveyor belt, a quantitative receiving and discharging component and a discharging platform, a feed box is installed on one side of the conveying platform, two rollers are rotatably arranged in the feed box, a conveyor belt is jointly sleeved on the two rollers, a servo motor is installed on the feed box, a roller is fixedly connected to the output shaft of the servo motor, a quantitative receiving and discharging component for quantitatively collecting and delivering bamboo sticks is arranged on the conveying platform, and the conveying platform A material discharge table is installed on it, and also includes a cylinder, a push plate, a storage box, a foam block, a baffle, a third guide rod and a third elastic member. A cylinder is installed on the conveying platform, and a push plate is fixedly connected to the push rod of the cylinder. A storage box is installed on the conveying platform, and foam blocks are placed in the storage box. Third guide rods are installed on both sides of the storage box, and baffles are slidably arranged on the two third guide rods. A third elastic member is fixedly connected between the baffle and the third guide rod, and the third elastic member is used to pull the baffle to slide and reset, and the third elastic member is wound around the third guide rod.

[0007] In one of the embodiments, the quantitative material receiving and discharging assembly includes a first support frame installed on the conveying platform, a stripping frame is installed on the first support frame, the stripping frame is in contact with the conveyor belt, a discharging hopper is installed on the first support frame, the stripping frame is connected to the discharging hopper, two first guide rods are installed on the conveying platform, a sliding frame is slidably arranged on the two first guide rods, a first elastic member for pushing the sliding frame to reset is wound around the first guide rod, a first material blocking plate is fixedly connected to one side of the sliding frame, a roller is fixedly connected to cams at both ends, the cam cooperates with the sliding frame, and a second material blocking plate is installed on the sliding frame.

[0008] In one embodiment, the stripping frame is a triangular plate frame, and the side of the stripping frame close to the discharge hopper is lower.

[0009] In one embodiment, a plurality of strip-shaped grooves are evenly arranged on the conveyor belt.

[0010] In one of the embodiments, it also includes a first transmission component arranged on the conveying platform, material gathering inclined plates are installed on both sides of the conveying platform, a sealer is installed on the conveying platform, and two sealing wheels are rotatably arranged on the sealer.

[0011] In one of the embodiments, it also includes a second support frame installed on the conveying platform, a pressure plate is slidably arranged on the second support frame, a plurality of second elastic members are arranged between the pressure plate and the second support frame, two upper sealing plates are installed on the pressure plate, two lower sealing plates are installed on the second support frame, the upper sealing plates and the lower sealing plates are used together, a connecting plate is installed on the pressure plate, and the connecting plate cooperates with the sliding frame.

[0012] In one embodiment, the push-flattening assembly includes a fixed plate installed on the side of the sealer, a limit plate is rotatably arranged on the fixed plate, and a torsion spring is fixedly connected between the limit plate and the fixed plate.

[0013] In one of the embodiments, it also includes a second transmission component arranged on the conveying platform, brackets are installed on both sides of the conveying platform, a second guide rod is fixedly connected to the two brackets, a cutting knife is slidably arranged on the second guide rod, a reciprocating screw rod is rotatably arranged on the two brackets, the cutting knife is threadedly connected to the reciprocating screw rod, a driving motor is installed on the bracket, and the output shaft of the driving motor is fixedly connected to the reciprocating screw rod.

[0014] In one of the embodiments, it further includes a third support frame installed on the side of the conveying platform, and two slide rails are slidably arranged on the third support frame, and a material storage box is commonly installed on the two slide rails.

[0015] Compared with the prior art, the bamboo stick quantitative packaging device provided by the embodiment of the utility model has the following advantages: 1. The push plate is driven by the cylinder to push the foam block to the tip of the bamboo stick. At this time, the third elastic pulls the baffle to slide, so that the baffle blocks the foam block in the storage box; when the cylinder retracts, the push plate drives the baffle to slide and reset, so that the foam block in the storage box falls down, thereby achieving the effect of adding foam blocks to prevent the bamboo sticks from piercing the packaging bag.

[0016] 2. The packaging bag and bamboo sticks are transported to the sealer through the first transmission component. The gathering inclined plate gathers the bamboo sticks and gathers the two sides of the unfolded packaging bag to the middle and wraps them. The two sealing wheels rotate in opposite directions to press the two sides of the packaging bag together. The high temperature makes the packaging bag form a connected closed loop, so as to achieve the effect of preliminary packaging of the bamboo sticks.

[0017] 3. The bamboo sticks and packaging bags that have completed the initial packaging are smoothed by the limiting plate, and the connecting plate is driven downward by the sliding frame to press the pressing plate downward, so that the pressing plate drives the two upper sealing plates to contact the two lower sealing plates, so that the two ends of the packaging bag are sealed, achieving the effect of completely sealing the bamboo sticks.

[0018] 4. By controlling the start and stop of the first transmission component and cooperating with the drive motor to drive the reciprocating screw rod to rotate on the bracket, the cutting knife is made to slide back and forth along the second guide rod, and the connected packaging bags are cut and separated by the cutting knife, so as to achieve the effect of cutting and separating the entire packaging bag to form independently packaged bamboo sticks. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the feed box, servo motor and conveying platform of the utility model.

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the roller, conveyor belt and stripping frame of the utility model.

[0022] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the material gathering inclined plate, the sealer and the sealing wheel of the utility model.

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the fixing plate, the limiting plate and the torsion spring of the utility model.

[0024] Figure 6 It is a three-dimensional cross-sectional structural schematic diagram of the pressing plate, the upper sealing plate and the cutting knife of the utility model.

[0025] Figure 7 It is a three-dimensional cross-sectional structural schematic diagram of the support, drive motor and reciprocating screw rod of the utility model.

[0026] Figure 8 It is a three-dimensional cross-sectional structural schematic diagram of the storage box, foam block and baffle of the utility model.

[0027] Fig. 9 It is a three-dimensional cross-sectional structural diagram of the third support frame, material storage box and slide rail of the utility model. The markings in the figure are: 1-feeding box, 2-conveyor platform, 3-servo motor, 4-roller, 5-conveyor belt, 6-first support frame, 601-stripping frame, 602-discharging hopper, 7-sliding frame, 701-first material blocking plate, 8-cam, 9-first guide rod, 10-first elastic member, 11-second material blocking plate, 12-cylinder, 1201-push plate, 13-discharging platform, 14-first transmission component, 15-aggregating inclined plate, 16-sealer, 17-sealing wheel, 18-fixed plate, 19 -limiting plate, 1901-torsion spring, 20-second supporting frame, 21-pressing plate, 22-upper sealing plate, 23-second elastic member, 24-lower sealing plate, 25-connecting plate, 26-bracket, 27-second guide rod, 28-reciprocating screw rod, 29-cutting knife, 30-driving motor, 31-second transmission assembly, 32-storage box, 33-foam block, 34-baffle, 35-third guide rod, 36-third elastic member, 37-third supporting frame, 38-storage box, 39-slide rail. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0029] Embodiment 1: A quantitative packaging device for bamboo sticks, see Figure 1 , Figure 2 , Figure 3 and Figure 8As shown, it includes a feed box 1, a conveying platform 2, a servo motor 3, a roller 4, a conveyor belt 5, a quantitative receiving and discharging component and a discharging platform 13. The feed box 1 is installed on one side of the conveying platform 2 by bolt connection. Two rollers 4 are rotatably arranged in the feed box 1. The two rollers 4 are jointly sleeved with a conveyor belt 5 for conveying bamboo sticks. A plurality of strip-shaped grooves are evenly opened on the conveyor belt 5 to facilitate the transmission of columnar bamboo sticks. A servo motor 3 is installed on the side of the feed box 1 by bolt connection. A roller 4 is fixedly connected to the output shaft of the servo motor 3 by a coupling. A quantitative receiving and discharging component for quantitatively collecting and discharging bamboo sticks is arranged on the conveying platform 2. A discharging platform 13 for receiving and placing bamboo sticks is installed on the conveying platform 2 by bolt connection. It also includes a cylinder 12, a push plate 1201, a storage box 32, a foam Block 33, baffle 34, third guide rod 35 and third elastic member 36, a cylinder 12 is installed on one side of the conveying platform 2 by bolt connection, and a push plate 1201 is fixedly connected to the push rod of the cylinder 12 by bolt connection, a storage box 32 is installed on the conveying platform 2 by bolt connection, a foam block 33 is placed in the storage box 32, and third guide rods 35 are installed on both sides of the storage box 32 by bolt connection, a baffle 34 for blocking the foam block 33 from falling is slidably arranged on the two third guide rods 35, the baffle 34 slides laterally along the third guide rod 35, and a third elastic member 36 is fixedly connected between the baffle 34 and the third guide rod 35 by welding, the third elastic member 36 is used to pull the baffle 34 to slide and reset, and the third elastic member 36 is wound around the third guide rod 35.

[0030] See also Figure 3 As shown, the quantitative receiving and discharging assembly includes a first support frame 6 installed on the conveying platform 2 by means of bolt connection, a stripping frame 601 for pushing down the bamboo sticks stuck on the conveying belt 5 is installed on one side of the first support frame 6 by means of bolt connection, the stripping frame 601 is in contact with the conveying belt 5, and a discharge hopper 602 is installed on the other side of the first support frame 6 by means of bolt connection, the stripping frame 601 is connected with the discharge hopper 602, the stripping frame 601 is a triangular plate frame, and the side of the stripping frame 601 close to the discharge hopper 602 is lower, so as to facilitate the scraping of the bamboo sticks on the conveying belt 5. And guided to slide into the discharge hopper 602, two first guide rods 9 are installed on the conveying platform 2 by welding, and a sliding frame 7 is slidably arranged on the two first guide rods 9. The sliding frame 7 slides up and down along the first guide rods 9. A first elastic member 10 is wound around the first guide rods 9 for pushing the sliding frame 7 to slide upward and reset. A first material blocking plate 701 is fixedly connected to one side of the sliding frame 7 by welding, and cams 8 are fixedly connected to both ends of a roller by keys. The cam 8 cooperates with the sliding frame 7, and a second material blocking plate 11 is installed on the middle of the sliding frame 7 by welding.

[0031] When it is necessary to carry out quantitative packaging of bamboo sticks, first pour the bamboo sticks into the feed box 1, and start the servo motor 3 to drive the roller 4 to rotate, so that the conveyor belt 5 drives the bamboo sticks to move and transport, and the bamboo sticks on the conveyor belt 5 are scraped off by the stripping rack 601 and guided to slide into the discharge hopper 602. As the roller 4 rotates, the cam 8 is driven to rotate synchronously, and the cam 8 is in intermittent contact with the sliding rack 7. When the cam 8 pushes the sliding rack 7, the sliding rack 7 drives the first material blocking plate 701 and the second material blocking plate 11 to slide downward along the first guide rod 9. At this time, the first elastic member 10 is compressed and deformed by force, and the bamboo sticks that have been quantitatively measured on the first material blocking plate 701 are dropped onto the discharge table 13, and the second material blocking plate 11 moves downward to block the bamboo sticks that fall from the stripping rack 601 to avoid mixing into the bamboo sticks that have been quantitatively measured; when the cam 8 is separated from the sliding rack 7, the first elastic member 10 pushes The sliding frame 7 slides upward along the first guide rod 9 to reset, so that the first material blocking plate 701 and the second material blocking plate 11 move upward, and the first material blocking plate 701 blocks the bamboo sticks that were originally blocked by the second material blocking plate 11 and the newly fallen bamboo sticks, and the bamboo sticks are quantitatively released in this way; after the quantitative bamboo sticks fall on the discharge platform 13, the push plate 1201 is pushed out by starting the cylinder 12, and the push plate 1201 pushes the foam block 33 to the tip of the bamboo stick. At this time, the third elastic member 36 returns to its original state and pulls the baffle plate 34 to slide along the third guide rod 35, so that the baffle plate 34 blocks the foam block 33 in the storage box 32; when the cylinder 12 retracts, the push plate 1201 drives the baffle plate 34 to slide and reset along the third guide rod 35. At this time, the third elastic member 36 is stretched and deformed by force, so that the baffle plate 34 is free from the obstruction of the foam block 33, and the foam block 33 falls from the storage box 32 in front of the push plate 1201.

[0032] Example 2: Based on Example 1, refer to Figure 4 As shown, it also includes a first transmission component 14 arranged on the conveying platform 2, and both sides of the conveying platform 2 are installed with a gathering inclined plate 15 for gathering the packaging bags and bamboo sticks by bolt connection. A sealer 16 is installed on the conveying platform 2 by bolt connection. The sealer 16 is located on the side of the gathering inclined plate 15 away from the cylinder 12, and two sealing wheels 17 for high-temperature heat welding packaging bags are rotatably arranged at the bottom of the sealer 16.

[0033] See also Figure 4 and Figure 6As shown, it also includes a second support frame 20 installed on the conveying platform 2 by bolt connection, and a pressure plate 21 is slidably arranged on the second support frame 20, and the pressure plate 21 slides up and down along the second support frame 20, and four second elastic members 23 are arranged between the pressure plate 21 and the second support frame 20, and the second elastic members 23 are used to push the pressure plate 21 to slide upward and reset, and two upper sealing plates 22 are installed on the bottom of the pressure plate 21 by welding, and two lower sealing plates 24 are installed on the lower part of the second support frame 20 by welding, and the upper sealing plates 22 and the lower sealing plates 24 are used together, and a connecting plate 25 is installed on the top of the pressure plate 21 by bolt connection, and the connecting plate 25 cooperates with the sliding frame 7.

[0034] See also Figure 4 and Figure 5 As shown, the flattening assembly includes a fixed plate 18 installed on the side of the sealer 16 away from the material gathering inclined plate 15 by bolt connection, and a limiting plate 19 for smoothing the bamboo sticks is rotatably arranged on the fixed plate 18. Two torsion springs 1901 are fixedly connected between the limiting plate 19 and the fixed plate 18 by welding.

[0035] When the bamboo sticks need to be packaged, the unfolded packaging bag is first placed between the two material gathering inclined plates 15. As the first transmission component 14 transports the packaging bag and the bamboo sticks to the sealer 16, the material gathering inclined plates 15 gather the bamboo sticks and at the same time gather the two sides of the unfolded packaging bag toward the middle and wrap them. The sealer 16 causes the two sealing wheels 17 to rotate in opposite directions so that the two sides of the packaging bag are pressed together by the two sealing wheels 17. The high temperature causes the packaging bag to form a connected closed loop and wrap the bamboo sticks, completing the preliminary packaging. As the first transmission component 14 continues to transmit, the bamboo sticks and packaging bags that have completed the preliminary packaging are smoothed by the limiting plate 19, so that the overall thickness of the packaging tends to be moderate. When the foam block 33 collides with the bamboo sticks on the limiting plate 19, the limiting plate 19 rotates upward along the fixed plate 18. At this time, The torsion spring 1901 is twisted and deformed by force. When a batch of bamboo sticks and foam blocks 33 pass over the limit plate 19, the spring is forced to drive the limit plate 19 to rotate in the opposite direction and reset to smooth the next batch of bamboo sticks; when the bamboo sticks and packaging bags are transported to the bottom of the second support frame 20 along the first transmission component 14, the connecting plate 25 is driven by the descent of the sliding frame 7 to press the pressing plate 21 downward, so that the pressing plate 21 slides downward along the second support frame 20. At this time, the second elastic member 23 is compressed and deformed by force, and the pressing plate 21 drives the two upper sealing plates 22 to contact with the two lower sealing plates 24, so that the two ends of the packaging bag are sealed and the bamboo sticks are packaged; when the sliding frame 7 slides upward, the second elastic member 23 pushes the pressing plate 21 to move upward, so that the upper sealing plate 22 is out of contact with the lower sealing plate 24.

[0036] See also Figure 3 , Figure 4 and Figure 7As shown, it also includes a second transmission component 31 arranged on the conveying platform 2, and brackets 26 are installed on both sides of the conveying platform 2 by bolt connection. The two brackets 26 are located on one side of the sealer 16 where the fixing plate 18 is installed. The two brackets 26 are commonly fixedly connected with a second guide rod 27 by welding. A cutting knife 29 for cutting the packaging bags is horizontally slidably arranged on the second guide rod 27. A reciprocating screw 28 is commonly rotatably arranged on the two brackets 26. The cutting knife 29 is threadedly connected to the reciprocating screw 28. A driving motor 30 is installed on the bracket 26 by bolt connection, and the output shaft of the driving motor 30 is fixedly connected to the reciprocating screw 28 through a coupling.

[0037] When the first transmission component 14 transports the packaged bamboo sticks backwards, by controlling the start and stop of the first transmission component 14 and cooperating with the driving motor 30 to drive the reciprocating screw rod 28 to rotate on the bracket 26, the cutting knife 29 slides back and forth along the second guide rod 27, and the connected packaging bags are cut and separated by the cutting knife 29 to form independent packaging, and the independently packaged bamboo sticks are transported backwards by the second transmission component 31.

[0038] See also Fig. 9 As shown, it also includes a third support frame 37 installed on the side of the conveying platform 2 away from the cylinder 12 by bolt connection, and two slide rails 39 are arranged on the third support frame 37 for horizontal sliding. A storage box 38 for storing packaged bamboo sticks is installed on the two slide rails 39 by bolt connection.

[0039] When the second transmission component 31 transports the independently packaged bamboo sticks backward, the bamboo sticks fall into the storage box 38 for centralized collection, and the storage box 38 is slid and pulled out along the third support frame 37 through the slide rail 39, and the storage box 38 together with the bamboo sticks can be taken away for packing and shipment.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A quantitative packaging device for bamboo sticks, comprising a feed box (1), a conveying platform (2), a servo motor (3), a roller (4), a conveyor belt (5), a quantitative receiving and discharging component and a discharging platform (13), wherein a feed box (1) is installed on one side of the conveying platform (2), two rollers (4) are rotatably arranged in the feed box (1), and a conveyor belt (5) is commonly sleeved on the two rollers (4), a servo motor (3) is installed on the feed box (1), and one roller (4) is fixedly connected to the output shaft of the servo motor (3), a quantitative receiving and discharging component for quantitatively collecting and discharging bamboo sticks is arranged on the conveying platform (2), and a discharging platform (13) is installed on the conveying platform (2), characterized in that: The invention also comprises a cylinder (12), a push plate (1201), a storage box (32), a foam block (33), a baffle (34), a third guide rod (35) and a third elastic member (36). The cylinder (12) is installed on the conveying platform (2). The push plate (1201) is fixedly connected to the push rod of the cylinder (12). The storage box (32) is installed on the conveying platform (2). The foam block (33) is placed in the storage box (32). Third guide rods (35) are installed on both sides of the storage box (32). Baffles (34) are slidably arranged on the two third guide rods (35). A third elastic member (36) is fixedly connected between the baffle (34) and the third guide rod (35). The third elastic member (36) is used to pull the baffle (34) to slide and reset. The third elastic member (36) is wound around the third guide rod (35).

2. A quantitative packaging device for bamboo sticks as claimed in claim 1, characterized in that: The quantitative receiving and discharging assembly comprises a first support frame (6) mounted on a conveying platform (2), a stripping frame (601) mounted on the first support frame (6), the stripping frame (601) being fitted with a conveyor belt (5), a discharging hopper (602) mounted on the first support frame (6), the stripping frame (601) being docked with the discharging hopper (602), two first guide rods (9) mounted on the conveying platform (2), a sliding frame (7) being slidably arranged on the two first guide rods (9), a first elastic member (10) for pushing the sliding frame (7) to reset being wound around the first guide rods (9), a first material blocking plate (701) being fixedly connected to one side of the sliding frame (7), a cam (8) being fixedly connected to both ends of a roller, the cam (8) cooperating with the sliding frame (7), and a second material blocking plate (11) being mounted on the sliding frame (7).

3. A quantitative packaging device for bamboo sticks as claimed in claim 2, characterized in that: The stripping frame (601) is a triangular frame, and the side of the stripping frame (601) close to the discharge hopper (602) is lower.

4. A quantitative packaging device for bamboo sticks as claimed in claim 1, characterized in that: A plurality of strip-shaped grooves are evenly arranged on the conveyor belt (5).

5. A quantitative packaging device for bamboo sticks as claimed in claim 1, characterized in that: It also includes a first transmission component (14) arranged on the conveying platform (2), material gathering inclined plates (15) are installed on both sides of the conveying platform (2), a sealer (16) is installed on the conveying platform (2), and two sealing wheels (17) are rotatably arranged on the sealer (16).

6. A quantitative packaging device for bamboo sticks as claimed in claim 5, characterized in that: It also includes a second support frame (20) installed on the conveying platform (2), a pressure plate (21) is slidably arranged on the second support frame (20), a plurality of second elastic members (23) are arranged between the pressure plate (21) and the second support frame (20), two upper sealing plates (22) are installed on the pressure plate (21), two lower sealing plates (24) are installed on the second support frame (20), the upper sealing plates (22) and the lower sealing plates (24) are used in conjunction with each other, a connecting plate (25) is installed on the pressure plate (21), and the connecting plate (25) cooperates with the sliding frame (7).

7. A quantitative packaging device for bamboo sticks as claimed in claim 6, characterized in that: The push-flattening assembly comprises a fixed plate (18) mounted on the side of the sealer (16), a limit plate (19) is rotatably arranged on the fixed plate (18), and a torsion spring (1901) is fixedly connected between the limit plate (19) and the fixed plate (18).

8. A quantitative packaging device for bamboo sticks as claimed in claim 6, characterized in that: The invention also comprises a second transmission assembly (31) arranged on the conveying platform (2), brackets (26) are installed on both sides of the conveying platform (2), a second guide rod (27) is fixedly connected to the two brackets (26), a cutting knife (29) is slidably arranged on the second guide rod (27), a reciprocating screw rod (28) is rotatably arranged on the two brackets (26), the cutting knife (29) is threadedly connected to the reciprocating screw rod (28), a driving motor (30) is installed on the bracket (26), and the output shaft of the driving motor (30) is fixedly connected to the reciprocating screw rod (28).

9. A quantitative packaging device for bamboo sticks as claimed in claim 1, characterized in that: It also comprises a third support frame (37) installed on the side of the conveying platform (2), two slide rails (39) are slidably arranged on the third support frame (37), and a material storage box (38) is installed on the two slide rails (39).

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