Automatic screw weighing and packaging machine

Abstract

The utility model relates to the field of industrial automation, in particular to an automatic screw weighing and packaging machine. The utility model provides an automatic screw weighing packing machine which comprises a shell, a linear vibration feeder, a supporting frame, a first motor, a first roller, a second roller, a guide rod and the like, the linear vibration feeder is installed on the rear side of the shell, the supporting frame is connected to the upper front side of the shell, and the first motor is installed on the front right side of the supporting frame. An output shaft of the first motor penetrates through the supporting frame to be connected with a first roller, the front side of the supporting frame is rotationally connected with a second roller located on the rear side of the first roller, and the front side of the supporting frame is connected with a guide rod. Through the arrangement of the guide rods, the limiting plates, the packaging bags and the second motor, the second motor drives the screw rod to rotate, the two limiting plates can be accurately moved to proper positions, it is ensured that the packaging bags of different sizes can be stably fixed, the problem of sliding or shifting of the packaging bags is avoided, and therefore the packaging precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of industrial automation especially relates to a kind of automatic screw weighing packaging machine. BACKGROUND

[0002] Screw weighing packaging machine is a kind of mechanical equipment specially used for automatic weighing and packaging screw, nut, gasket and other small fasteners.It is widely used in hardware manufacturing, building materials, electronic appliances and other industries, can significantly improve production efficiency, reduce labor cost, and ensure packaging accuracy and quality.

[0003] Traditional screw weighing packaging machine usually uses fixed clamping or limiting device to fix packaging bag, these devices design is relatively single, cannot be flexibly adjusted according to the specific length and size of packaging bag, when different sizes or types of packaging materials need to be replaced, operating personnel must manually re-adjust multiple components of equipment, not only operation is complex and time-consuming, but also easily cause packaging accuracy to decline due to human error, affect the quality of final product.

[0004] In view of the above problems, it is necessary to design an automatic screw weighing packaging machine that can fix different sizes of packaging bags. CONTENT OF UTILITY MODEL

[0005] In order to overcome the shortcoming that it cannot be flexibly adjusted according to the specific length and size of packaging bag, the utility model provides an automatic screw weighing packaging machine.

[0006] The utility model discloses a technical scheme: a kind of automatic screw weighing packaging machine, including shell, linear vibration feeder, support frame, first motor, first cylinder, second cylinder, guide rod, limit plate, packaging bag, second motor, screw, first electric push rod, push block, discharging frame, pressure sensor, fixed block, second torsion spring, rotating plate, blanking frame, electric slide rail, sliding block, scraper, first mounting plate, second electric push rod, heat sealing plate, stamping frame and slide plate, linear vibration feeder is installed on the rear side of shell, support frame is connected on the front side of shell, first motor is installed on the right side of support frame front, first cylinder is connected with the output shaft of first motor and penetrates support frame, second cylinder is rotatably connected with the front side of support frame, second cylinder is located at the rear side of first cylinder, guide rod is connected with the front side of support frame, second motor is installed on the left side of support frame rear, screw is connected with the output shaft of second motor and penetrates support frame, limit plate is slidably connected on the left and right symmetry of screw, two limit plates are slidably connected with guide rod, packaging bag is placed between the upper side of two limit plates, first electric push rod is installed on the upper side of shell, push block is connected with the front end of first electric push rod, two fixed blocks are connected with the front side of shell, rotating plate is rotatably connected on the two fixed blocks, two second torsion springs are connected between rotating plate and fixed block, discharging frame is placed on the front side of shell, and discharging frame is fixedly connected with two rotating plates, pressure sensor is installed in the inside of discharging frame, blanking frame is connected with the front side of shell, first mounting plate is connected with the front side of shell, second electric push rod is installed in the right side of first mounting plate, heat sealing plate is connected with the left end of second electric push rod, stamping frame is connected in the left side of first mounting plate, slide plate is connected with the front lower side of shell, electric slide rail is installed on the upper side of blanking frame rear, sliding block is slidably connected on electric slide rail, and scraper is connected on sliding block.

[0007] In addition, it is particularly preferred that the first support plate, the third motor, the rotating rod, the gear, the sliding rod, the fixed plate, the second support plate, the rack and the universal wheel are further included, the first support plate is connected with the inside lower side of shell, two third motors are installed on the right side in the shell, the rotating rod is connected with the left end of the output shaft of two third motors, the rotating rod penetrates the first support plate, the gear is connected with the left end of two rotating rods, the fixed plate is connected with the inside of shell and is symmetrically connected front and back, the sliding rod is slidably connected on each fixed plate, the second support plate is connected between the lower end of two sliding rods of same side, the rack is connected on two second support plates, the two racks are engaged with two gears, and two universal wheels are installed on the bottom of two second support plates.

[0008] In addition, it is particularly preferred that the second mounting plate, the dust collector, the connecting pipe, the mounting block, the support frame and the collection frame are further included, the second mounting plate is connected with the left side of shell, the dust collector is installed on the second mounting plate, the connecting pipe is connected with the left side of dust collector, the support frame is connected with the left side of shell, the other end of connecting pipe is communicated with support frame, the collection frame is placed in the inside of support frame, the mounting block is connected with the left side of shell and is symmetrically connected up and down, and the mounting block is clamped with connecting pipe.

[0009] In addition, it is particularly preferred that the fixed frame, the first torsion spring and the handle are further included, the fixed frame is connected to the lower rear side of the shell, the handle is rotatably connected to the fixed frame, and the handle is connected with the fixed frame through the two first torsion springs.

[0010] In addition, it is particularly preferred that the anti-skid pad is further included, and the anti-skid pad is connected to the bottom of the shell.

[0011] In addition, it is particularly preferred that the size of the collecting frame is designed to be matched with the inside of the supporting frame.

[0012] The packaging device has the advantages that the guide rod, the limiting plate, the packaging bag and the second motor are arranged, the second motor drives the screw rod to rotate, the two limiting plates can be accurately moved to the appropriate positions, different sizes of the packaging bag can be stably fixed, the problem of sliding or displacement of the packaging bag is avoided, and the packaging precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0014] Figure 2 It is a sectional view of the material discharging frame of the utility model.

[0015] Figure 3 It is a three-dimensional structure schematic view of the material discharging frame, the electric sliding rail, the sliding block and other parts of the utility model.

[0016] Figure 4 It is a three-dimensional structure schematic view of the screw rod, the first electric push rod and the pushing block and other parts of the utility model.

[0017] Figure 5 It is a three-dimensional structure schematic view of the supporting frame, the first motor and the first roller and other parts of the utility model.

[0018] Figure 6 It is a three-dimensional structure schematic view of the second roller, the guide rod and the limiting plate and other parts of the utility model.

[0019] Figure 7 It is a sectional view of the shell of the utility model.

[0020] Figure 8 It is a three-dimensional structure schematic view of the first supporting plate, the third motor and the rotating rod and other parts of the utility model.

[0021] Figure 9 It is an explosion view of the supporting frame and the collecting frame of the utility model.

[0022] Wherein, the above drawing includes the following reference signs: 1, shell, 101, fixed frame, 102, first torsional spring, 103, handle, 2, linear vibration feeder, 3, support frame, 4, first motor, 5, first roller, 6, second roller, 7, guide rod, 8, limit plate, 9, packaging bag, 10, second motor, 1001, screw rod, 11, first electric push rod, 111, push block, 12, discharging frame, 121, pressure sensor, 13, fixed block, 131, second torsional spring, 132, rotating plate, 14, blanking frame, 141, electric sliding rail, 142, sliding block, 143, scraper, 15, first mounting plate, 16, second electric push rod, 161, heat sealing plate, 162, stamping frame, 17, sliding plate, 18, first support plate, 19, third motor, 191, rotating rod, 20, gear, 21, sliding rod, 211, fixed plate, 22, second support plate, 221, rack, 222, universal wheel, 23, second mounting plate, 231, dust collector, 232, connecting pipe, 24, mounting block, 25, support frame, 251, collecting frame, 26, non-slip mat. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific embodiments and referring to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] Embodiment: An automatic screw weighing and packaging machine, comprising a shell, a fixed frame, a first torsional spring, a handle, a linear vibration feeder, a support frame, a first motor, a first roller, a second roller, a guide rod, a limit plate, a packaging bag, a second motor, a screw rod, a first electric push rod, a push block, a discharging frame, a pressure sensor, a fixed block, a second torsional spring, a rotating plate, a blanking frame, an electric sliding rail, a sliding block, a scraper, a first mounting plate, a second electric push rod, a heat sealing plate, a stamping frame, a sliding plate, a first support plate, a third motor, a rotating rod, a gear, a sliding rod, a fixed plate, a second support plate, a rack, a universal wheel, a second mounting plate, a dust collector, a connecting pipe, a mounting block, a support frame, a collecting frame and a non-slip mat. Figures 1-9As shown, including the shell 1, fixed frame 101, the first torsional spring 102, handle 103, linear vibration feeder 2, support frame 3, the first motor 4, the first roller 5, the second roller 6, guide rod 7, limit plate 8, packaging bag 9, the second motor 10, screw 1001, the first electric push rod 11, push block 111, discharge frame 12, pressure sensor 121, fixed block 13, the second torsional spring 131, rotating plate 132, blanking frame 14, electric slide rail 141, slider 142, scraper 143, the first mounting plate 15, the second electric push rod 16, heat sealing plate 161, stamping frame 162, sliding plate 17, the first support plate 18, the third motor 19, rotating rod 191, gear 20, sliding rod 21, fixed plate 211, the second support plate 22, rack 221, universal wheel 222, the second mounting plate 23, dust collector 231, connecting pipe 232, mounting block 24, support frame 25, collection frame 251 and non-slip pad 26, the lower side of the shell 1 is connected with the fixed frame 101, the fixed frame 101 is rotatably connected with the handle 103, the handle 103 is connected with the fixed frame 101 with two first torsional springs 102, the upper side of the shell 1 is mounted with linear vibration feeder 2, linear vibration feeder 2 is responsible for conveying the screw to the discharge frame 12, ensuring that the screw can accurately drop into the discharge frame 12, the front side of the shell 1 is connected with support frame 3, the front right side of support frame 3 is mounted with the first motor 4, the output shaft of the first motor 4 is connected with the first roller 5 penetrating support frame 3, the front side of support frame 3 is rotatably connected with the second roller 6, the second roller 6 is located at the rear side of the first roller 5, the front side of support frame 3 is connected with guide rod 7, the left rear side of support frame 3 is mounted with the second motor 10, the output shaft of the second motor 10 is connected with screw 1001 penetrating support frame 3, the left and right symmetrical sliding connection of screw 1001 is limited with limit plate 8, limit plate 8 is used for limiting and fixing packaging bag 9, two limit plates 8 are slidably connected with guide rod 7, packaging bag 9 is placed between the upper side of two limit plates 8, packaging bag 9 is used to pack the screw, the upper side of the shell 1 is mounted with the first electric push rod 11, the front end of the first electric push rod 11 is connected with push block 111, the upper front side of the shell 1 is connected with two fixed blocks 13, the upper side of each of the two fixed blocks 13 is rotatably connected with rotating plate 132, the two second torsional springs 131 are connected between rotating plate 132 and fixed block 13, the upper front side of the shell 1 is placed with discharge frame 12, the discharge frame 12 is fixedly connected with the two rotating plates 132, the discharge frame 12 is used for temporarily storing the screws conveyed from linear vibration feeder 2, the inside of the discharge frame 12 is mounted with pressure sensor 121, pressure sensor 121 monitors the number of screws dropped into the discharge frame 12, the front side of the shell 1 is connected with blanking frame 14, blanking frame 14 is used to guide the packaging bag 9 to pass from above, the front side of the shell 1 is connected with the first mounting plate 15, the right side of the first mounting plate 15 is mounted with the second electric push rod 16, the left end of the second electric push rod 16 is connected with heat sealing plate 161, heat sealing plate 161 can emit heat in stamping frame 162, complete the heat sealing operation of packaging bag 9,The left side of the first mounting plate 15 is connected with a punching frame 162, the punching frame 162 can provide positioning and support for the heat sealing plate 161, the lower side of the shell 1 is connected with a sliding plate 17, the sliding plate 17 is used for collecting the screw bag with completed packaging, the upper side of the blanking frame 14 is provided with a motor sliding rail 141, the motor sliding rail 141 is connected with a sliding block 142, the sliding block 142 is connected with a scraper 143, the scraper 143 can cut the packaging bag 9 into an appropriate size feeding port, and ensure that the screws can smoothly enter the packaging bag 9, the lower side of the shell 1 is connected with a first supporting plate 18, the right side of the shell 1 is provided with two third motors 19, the left end of the output shaft of each third motor 19 is connected with a rotating rod 191, the rotating rod 191 penetrates through the first supporting plate 18, and the left end of the rotating rod 191 is connected with a gear 20, the inside of the shell 1 is symmetrically connected with a fixed plate 211, the sliding rod 21 is connected with the fixed plate 211, the sliding rod 21 can provide a sliding path for the second supporting plate 22, the lower ends of the two sliding rods 21 on the same side are connected with a second supporting plate 22, the second supporting plate 22 is connected with a rack 221, the two racks 221 are engaged with the two gears 20, the bottom of the second supporting plate 22 is provided with two universal wheels 222, the universal wheels 222 can facilitate the movement of the shell 1, the left side of the shell 1 is connected with a second mounting plate 23, the second mounting plate 23 is provided with a dust collector 231, the dust collector 231 can suck the generated dust, the left side of the dust collector 231 is connected with a connecting pipe 232, the left side of the shell 1 is connected with a supporting frame 25, the other end of the connecting pipe 232 communicates with the supporting frame 25, the supporting frame 25 is used for placing a collecting frame 251, so that the collecting frame 251 can be stably placed and easily taken out and cleaned, the collecting frame 251 is placed in the supporting frame 25, the size of the collecting frame 251 is designed to be matched with the inside of the supporting frame 25, the collecting frame 251 is used for collecting the dust sucked by the dust collector 231, the left side of the shell 1 is connected with a mounting block 24, the two mounting blocks 24 are connected with the connecting pipe 232, the bottom of the shell 1 is connected with an anti-skid pad 26, and the anti-skid pad 26 can provide additional friction for the bottom of the shell 1.

[0025] When the device needs to be used to weigh and package screws, the staff pulls one side of the packaging bag 9 from under the first roller 5, pulls it out from the gap between the first roller 5 and the second roller 6, and then pulls the packaging bag 9 down along the second roller 6 into the discharge frame 14 and out from the bottom of the discharge frame 14, ensuring that it is aligned with the first mounting plate 15. Then the second electric push rod 16 is automatically started, the second electric push rod 16 pushes the heat sealing plate 161 to move left until the heat sealing plate 161 clamps the packaging bag 9 into the stamping frame 162. In this process, the heat sealing plate 161 is automatically started, and the heat sealing plate 161 emits heat to perform the first heat sealing of the packaging bag 9. After the first heat sealing of the packaging bag 9 is completed, the second electric push rod 16 drives the heat sealing plate 161 to move right until the heat sealing plate 161 moves to the initial position, at which time the heat sealing plate 161 is out of contact with the stamping frame 162. The second electric push rod 16 and the heat sealing plate 161 are automatically turned off. Then the screws to be packaged are poured into the linear vibration feeder 2. In the process of pouring the screws, the linear vibration feeder 2 is automatically started, and the linear vibration feeder 2 conveys the screws upward into the discharge frame 12. At this time, the dust collector 231 is automatically started to suck in the dust generated through the dust suction nozzle and guide it to the collection frame 251 through the connecting pipe 232 for centralized treatment to ensure the cleanliness of the working environment. In the process of dropping the screws, the pressure sensor 121 is automatically started to monitor the number of screws dropped into the discharge frame 12. When the number of screws dropped into the discharge frame 12 reaches the preset value, the linear vibration feeder 2 is automatically stopped, and the dust collector 231 is automatically turned off. Then the electric slide rail 141 is automatically started, so that the sliding block 142 drives the scraper 143 to move left along the electric slide rail 141. The scraper 143 moves to cut the packaging bag 9 near the side of the scraper 143 to form an appropriate size of the feeding port. Then the electric slide rail 141 is automatically turned off. Then the first electric push rod 11 is automatically started, the first electric push rod 11 drives the push block 111 to move forward, the push block 111 moves to contact and press the discharge frame 12, so that the discharge frame 12 drives the two rotating plates 132 to rotate along the corresponding fixed blocks 13, and the four second torsional springs 131 are deformed. At this time, the discharge frame 12 is in an inclined state, and the screws in the discharge frame 12 are poured into the feeding port of the packaging bag 9. Under the action of gravity, the screws fall into the bottom of the packaging bag 9 through the feeding port. When there are no more screws in the discharge frame 12, the first electric push rod 11 drives the push block 111 to move backward. When the push block 111 moves to the initial position, the first electric push rod 11 is automatically turned off. At this time, the discharge frame 12 is no longer pressed, and under the restoring action of the four second torsional springs 131, the two rotating plates 132 drive the discharge frame 12 to rotate in the reverse direction along the corresponding fixed blocks 13 until the discharge frame 12 returns to the initial position. Then the second electric push rod 16 is automatically started again, the second electric push rod 16 drives the heat sealing plate 161 to move left again, and the heat sealing plate 161 moves to contact the packaging bag 9,And the bag 9 card into the stamping frame 162, in the process, the heat sealing plate 161 again automatically start, heat sealing plate 161 emanating heat to the bag 9 for the second heat sealing, when the bag 9 is completed the second heat sealing, the second electric push rod 16 again drive heat sealing plate 161 to the right, heat sealing plate 161 moves to the initial position, the second electric push rod 16 and heat sealing plate 161 again automatically shut down, then the screw bag is completed the packaging down to the slide plate 17, facilitate the collection of the screw bag is completed the packaging, then the first motor 4 automatically start, the first electric output shaft drive first cylinder 5 rotation, first cylinder 5 drive bag 9 rotation, make the bag 9 is pulled to move down, so that the bag 9 along the inside of the discharge frame 14 down, until the bag 9 is transported to the first mounting plate 15, again repeat the above operation of packaging, until all the screw packaging operation is completed, when you need to replace different size of the bag 9, the second motor 10 automatically start, the second motor 10 output shaft drive screw 1001 rotation, screw 1001 drive two limit plate 8 along the guide rod 7 outward movement, when two limit plate 8 moves to the appropriate position, the second motor 10 automatically shut down, then the old bag 9 is removed, then the appropriate size of the bag 9 is placed between the two limit plate 8, then the second motor 10 automatically reverse operation, the second motor 10 output shaft drive screw 1001 rotation reverse rotation, screw 1001 drive two limit plate 8 along the guide rod 7 inward movement, two limit plate 8 moves with the appropriate size of the bag 9 contact, and the appropriate size of the bag 9 is fixed, when the appropriate size of the bag 9 is fixed, the second motor 10 again automatically shut down, when you need to move the position of the device, the staff start two third motor 19, two third motor 19 output shaft respectively drive the rotation of the rod 191, the rotation of the rod 191 drive gear 20 rotation, gear 20 rotation and the corresponding rack 221 meshing, and drive the corresponding rack 221 downward, in turn drive the second support plate 22, universal wheel 222 and sliding rod 21 along the fixed plate 211 downward, when the universal wheel 222 moves to contact with the ground, the two third motor 19 is closed, then the staff pull the handle 103 along the fixed frame 101 rotation, two first torsional spring 102 deformation, then the staff pull the handle 103 drive the device to move, so that the four universal wheel 222 rolls, when the device moves to the appropriate position, stop pulling the handle 103, four universal wheel 222 also stop rolling, then the staff will release the handle 103, in two first torsional spring 102 reset handle 103 along the fixed frame 101 reverse rotation to the initial position.

[0026] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. An automated screw weighing and packaging machine characterized by, The utility model relates to a packaging machine, including casing (1), linear vibration feeder (2), support frame (3), first motor (4), first cylinder (5), second cylinder (6), guide rod (7), limiting plate (8), packaging bag (9), second motor (10), screw rod (1001), first electric push rod (11), push block (111), discharging frame (12), pressure sensor (121), fixed block (13), second torsional spring (131), rotary plate (132), blanking frame (14), electric slide rail (141), sliding block (142), scraper (143), first mounting plate (15), second electric push rod (16), heat sealing plate (161), stamping frame (162) and slide plate (17), linear vibration feeder (2) is installed to casing (1) upper rear side, casing (1) upper front side is fixedly connected with support frame (3), first motor (4) output shaft penetrates support frame (3) and is connected with first cylinder (5), support frame (3) front side is rotatably connected with second cylinder (6), and second cylinder (6) is located first cylinder (5) rear side, support frame (3) front side is fixedly connected with guide rod (7), support frame (3) rear left side is installed with second motor (10), and second motor (10) output shaft penetrates support frame (3) and is connected with screw rod (1001), and the symmetrical sliding connection of left and right of screw rod (1001) is limited to plate (8), and two limiting plates (8) are slidably connected with guide rod (7), and two limiting plates (8) upper side are placed with packaging bag (9), casing (1) is installed with first electric push rod (11), and first electric push rod (11) front end is fixedly connected with push block (111), casing (1) upper front side is fixedly connected with two fixed blocks (13), and two fixed blocks (13) are rotatably connected with rotary plate (132), and two second torsional springs (131) are arranged between rotary plate (132) and fixed block (13), casing (1) upper front side is placed with discharging frame (12), and discharging frame (12) is fixedly connected with two rotary plates (132), and discharging frame (12) is installed with pressure sensor (121) inside, casing (1) front side is fixedly connected with blanking frame (14), casing (1) front side is installed with first mounting plate (15), and first mounting plate (15) inner right side is installed with second electric push rod (16), and second electric push rod (16) left end is installed with heat sealing plate (161), and first mounting plate (15) inner left side is fixedly connected with stamping frame (162), and casing (1) front lower side is connected with slide plate (17), and blanking frame (14) rear upper side is installed with electric slide rail (141), and electric slide rail (141) is slidably connected with sliding block (142), and sliding block (142) is provided with scraper (143).

2. An automated screw weighing and packaging machine as claimed in claim 1, wherein, The first support plate (18), the third motor (19), the rotating rod (191), the gear (20), the sliding rod (21), the fixed plate (211), the second support plate (22), the rack (221) and the universal wheel (222) are further included, the first support plate (18) is connected to the lower side in the shell (1), two third motors (19) are installed to the right side in the shell (1), the output shaft left ends of the two third motors (19) are connected with rotating rods (191), the two rotating rods (191) penetrate through the first support plate (18), the left ends of the two rotating rods (191) are provided with gears (20), the fixed plates (211) are fixedly connected inside the shell (1) and are symmetrically arranged front and back, the sliding rods (21) are slidably connected on each fixed plate (211), the second support plates (22) are fixedly connected between the lower ends of the sliding rods (21) on the same side, the two second support plates (22) are provided with racks (221), the two racks (221) are engaged with the two gears (20), and the two second support plates (22) are provided with two universal wheels (222) on the bottom.

3. An automated screw weighing and packaging machine as claimed in claim 2, wherein, The second mounting plate (23), the dust collector (231), the connecting pipe (232), the mounting block (24), the support frame (25) and the collecting frame (251) are further included, the second mounting plate (23) is installed on the left side of the shell (1), the dust collector (231) is installed on the second mounting plate (23), the connecting pipe (232) is connected to the left side of the dust collector (231), the support frame (25) is fixedly connected to the left side of the shell (1), the other end of the connecting pipe (232) communicates with the support frame (25), the collecting frame (251) is placed in the support frame (25), and the mounting blocks (24) are symmetrically installed on the left side of the shell (1) and up and down.

4. An automated screw weighing and packaging machine as claimed in claim 3, wherein, The fixed frame (101), the first torsional spring (102) and the handle (103) are further included, the fixed frame (101) is fixedly connected to the lower side of the rear of the shell (1), the handle (103) is rotatably connected to the fixed frame (101), and the two first torsional springs (102) are arranged between the handle (103) and the fixed frame (101).

5. An automated screw weighing and packaging machine as claimed in claim 4, wherein, The anti-skid pad (26) is further included, and the anti-skid pad (26) is connected to the bottom of the shell (1).

6. An automated screw weighing and packaging machine as claimed in claim 5, wherein, The size of the collecting frame (251) is designed to be matched with the inside of the support frame (25).

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