Automatic bolt packaging machine
By designing the feeding, weighing and bagging mechanism of the bolt automatic packaging machine, the problems of low efficiency and large error in the prior art are solved, and efficient automatic packaging of bolts and quantity accuracy are achieved.
Patent Information
- Application Number
- CN202510336793.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2025-05-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing automatic bolt packaging machines are inefficient and prone to errors, resulting in uneven packaging.
An automatic bolt packaging machine is designed, including a loading mechanism, a weighing mechanism and a bagging mechanism. The feeding mechanism realizes flexible movement and height adjustment through self-locking universal wheels and electric stretching rods, automatically completing the bolt loading process. The weighing mechanism uses a screen and agitator to ensure the accurate number of bolts in each bag. The bagging mechanism realizes automatic packaging of bolts through the outgoing hopper, blanking pipe and packaging pipe.
It realizes efficient and automated packaging of bolts, reduces manual intervention, improves production efficiency, and ensures the accurate number of bolts in each packaging bag.
Smart Images
Figure CN119975969A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of bolt packaging, in particular to an automatic bolt packaging machine. Background Art
[0002] A bolt is a mechanical part consisting of a head and a screw (a cylinder with external threads). It is a cylindrical threaded fastener that is matched with a nut. It is one of the most commonly used parts in construction and machinery manufacturing. Therefore, large quantities of bolts need to be supplied to all parts of the world, and quickly packaging them has become a common process.
[0003] The existing automatic bolt packaging machine usually requires manual transportation of a large number of bolts into a container, and then the bolts in the container are dropped into a packaging machine for packaging. On the one hand, manual transportation of a large number of bolts takes too much time and the work efficiency is low. On the other hand, manual operation of the packaging machine is prone to errors, resulting in the number of bolts in each packaging bag not being exactly the same.
[0004] Therefore, a kind of bolt automatic packaging machine is badly needed. Summary of the invention
[0005] The object of the present invention is to provide an automatic bolt packaging machine to solve the problems raised in the above background technology.
[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an automatic bolt packaging machine, comprising a feeding mechanism, a weighing mechanism is arranged on the right side of the feeding mechanism, a bagging mechanism is arranged on the right side of the weighing mechanism, the weighing mechanism is attached to the feeding mechanism, and the bagging mechanism is fixedly connected to the weighing mechanism; The feeding mechanism comprises a chassis, a self-locking universal wheel is arranged at the bottom of the chassis, a material storage box is arranged at the top of the chassis, a feed hopper is arranged on the right side of the material storage box, a lifting assembly is arranged on the right side of the feed hopper, a connecting frame is fixedly connected to the bottom of the lifting assembly, and a receiving hopper is arranged at the bottom of the connecting frame; The weighing mechanism includes a bottom frame, a first support column is fixedly connected to the top of the bottom frame, a workbench is fixedly connected to the top of the first support column, a pouring hopper is arranged on the top of the workbench, a pouring port is opened on the right side of the pouring hopper, a screening machine is arranged at the bottom of the pouring hopper, and a stirrer is arranged on the right side of the pouring hopper.
[0007] Preferably, two electric stretching rods are fixedly connected to the bottom of the chassis, a support frame is fixedly connected to the right side of the chassis, the bottom of the support frame is fixedly connected to the electric stretching rod, the bottoms of multiple electric stretching rods are fixedly connected to rubber pads, multiple rubber pads are fixedly connected to self-locking universal wheels, and the support frame is in contact with the bottom frame.
[0008] Preferably, the top of the lifting assembly is fixedly connected to a top plate, the bottom of the top plate is fixedly connected to a support frame, the front of the hopper is fixedly connected to a first rotating shaft, the front of the first rotating shaft is fixedly connected to a motor, the motor is fixedly connected to a connecting frame, the back of the hopper is fixedly connected to a second rotating shaft, the surface of the second rotating shaft is rotatably connected to a bearing, and the bearing is fixedly connected to the connecting frame.
[0009] Preferably, a gate is fixedly connected to the inside of the feed hopper, a control panel is provided on the top of the gate, the control panel is fixedly connected to the storage box, connecting rods are fixedly connected to the front and back sides of the feed hopper, and the bottoms of the two connecting rods are fixedly connected to the same chassis.
[0010] Preferably, a power storage box is fixedly connected to the bottom of the workbench, the outer side of the power storage box is fitted with the bottom frame, a connecting plate is fixedly connected to the top of the workbench, a first fixing column is fixedly connected to the top of the connecting plate, and the top of the first fixing column is fixedly connected to the pouring hopper.
[0011] Preferably, a limiting plate is fixedly connected to the interior of the pouring port, a second fixing column is fixedly connected to the right side of the limiting plate, and the bottom of the second fixing column is fixedly connected to the agitator.
[0012] Preferably, a plurality of second support columns are fixedly connected to the top of the workbench, and the plurality of second support columns are arranged in a rectangular array. The tops of the plurality of second support columns are all fixedly connected to the same sheath, and the sheath is mounted on the screening machine.
[0013] Preferably, the bagging mechanism includes a discharge hopper, which is fixedly connected to the screening machine. A drop pipe is provided on the right side of the discharge hopper, which is fixedly connected to the workbench. A packaging tube is fixedly connected to the output port of the drop pipe. A packer is provided at the bottom of the packaging tube, and the packer is fixedly connected to the bottom frame.
[0014] Preferably, a conveyor belt is provided at the bottom of the packaging container, a fixed plate is fixedly connected to the outer side of the conveyor belt, a bracket is fixedly connected to the bottom of the conveyor belt, and the bracket is fixedly connected to the fixed plate.
[0015] Compared with the prior art, the beneficial effects achieved by the present invention are: First, the present invention can move the position of the feeding mechanism through the self-locking universal wheel, and fill the storage box by transporting the feeding mechanism to the storage position and then transporting the feeding mechanism back, so as to save the step of repeatedly pouring scattered bolts into the storage box manually. The height of the feeding mechanism can be raised or lowered by the electric stretching rod, which is convenient for providing adjustment solutions for workers of different heights. The friction between the self-locking universal wheel and the electric stretching rod is reduced by the rubber pad. Among them, the lifting component is the existing technology, and the lifting and lowering of the docking hopper is realized by the chain. When the receiving hopper is lowered to the feed hopper position, the gate can be opened through the control panel, so that the bolts in the storage box fall from the feed hopper into the receiving hopper. When the filling is completed, the gate is closed and the receiving hopper is raised. At the same time, the first rotating shaft is rotated by the motor to tilt the receiving hopper, so that the bolts inside can be poured out. The connection between the second rotating shaft and the bearing can provide support for the receiving hopper without affecting its adjustment angle, and the feeding can be completed automatically, thereby reducing manual intervention and improving production efficiency.
[0016] Second, the present invention uses the connection between the first support column and the bottom frame to support the workbench, wherein the power storage box is a prior art, which can provide buffering and storage for the power demand of the large machine operation, the pouring hopper receives the bolts poured out by the receiving hopper, and reduces the area of the bolts dumped by the pouring hopper through the limit plate to prevent the bolts from falling onto the workbench, wherein the screening machine is a prior art, including a high-speed vibration plate, which can weigh or confirm the quantity of the bolts poured into the pouring hopper, and can determine the amount of material dropped, and the sheath is supported by multiple second support columns, and the sheath is used to support and protect the screening machine, wherein the sheath is made of tough material, which can slightly alleviate the vibration generated during the operation of the screening machine, and at the same time, through the second fixed column fixed on the limit plate, the screening efficiency of the screening machine is further assisted by the agitator, and through the precise counting and weighing device, the number of bolts in each packaging bag can be ensured to be accurate, avoiding errors caused by manual operation, and can be suitable for the packaging of fasteners such as bolts of different specifications and materials, with high adaptability and flexibility.
[0017] Third, the present invention pours out the bolts dropped by the screening machine in a single time through a discharging hopper, and uses a dropping pipe and a packaging pipe to expand the coverage area when they fall, so as to facilitate packaging with a packaging device, wherein the packaging device is a prior art device, which can package the dropped bolts, cut bags and seal them, and at the same time, the packaged bolts will be quickly transported and lifted by the operation of a high-speed conveyor belt, and will be caught by a container and wait for the staff to transport them away, thereby further reducing manual intervention and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 It is a three-dimensional schematic diagram of the structural feeding mechanism of the present invention; Figure 3 This is a schematic diagram of the disassembly of the feeding mechanism of the structure of the present invention; Figure 4 It is a three-dimensional schematic diagram of the weighing mechanism of the structure of the present invention; Figure 5 This is a schematic diagram of the disassembly of the weighing mechanism of the structure of the present invention; Figure 6 It is a three-dimensional schematic diagram of the bagging mechanism of the present invention; Figure 7 This is a schematic diagram of the disassembly of the bagging mechanism of the present invention.
[0019] Legend: 1. Feeding mechanism; 101. Chassis; 102. Electric stretching rod; 103. Rubber pad; 104. Self-locking universal wheel; 105. Support frame; 106. Storage box; 107. Feed hopper; 108. Gate; 109. Control panel; 110. Top plate; 111. Lifting assembly; 112. Connecting frame; 113. Motor; 114. First rotating shaft; 115. Second rotating shaft; 116. Bearing; 117. Receiving hopper; 118. Connecting rod; 2. Weighing mechanism; 201. Bottom frame; 202. First support column; 203. Electricity storage box; 204. Workbench; 205. Inverting hopper; 206. Limit plate; 207. First fixed column; 208. Connecting plate; 209. Screening machine; 210. Sheath; 211. Second support column; 212. Second fixed column; 213. Agitator; 3. Bagging mechanism; 301. Discharging hopper; 302. Dropping pipe; 303. Packing pipe; 304. Packing container; 305. Conveyor belt; 306. Fixed plate; 307. Support seat. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] Embodiment 1 like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the present invention provides a technical solution: an automatic bolt packaging machine, comprising a feeding mechanism 1, a weighing mechanism 2 is arranged on the right side of the feeding mechanism 1, a bagging mechanism 3 is arranged on the right side of the weighing mechanism 2, the weighing mechanism 2 is attached to the feeding mechanism 1, and the bagging mechanism 3 is fixedly connected to the weighing mechanism 2; The feeding mechanism 1 includes a chassis 101, a self-locking universal wheel 104 is arranged at the bottom of the chassis 101, a storage box 106 is arranged at the top of the chassis 101, a feed hopper 107 is arranged on the right side of the storage box 106, a lifting assembly 111 is arranged on the right side of the feed hopper 107, a connecting frame 112 is fixedly connected to the bottom of the lifting assembly 111, and a receiving hopper 117 is arranged at the bottom of the connecting frame 112.
[0022] Two electric stretching rods 102 are fixedly connected to the bottom of the chassis 101, and a support frame 105 is fixedly connected to the right side of the chassis 101. The bottom of the support frame 105 is fixedly connected to the electric stretching rod 102, and the bottoms of multiple electric stretching rods 102 are fixedly connected to rubber pads 103, and the multiple rubber pads 103 are fixedly connected to the self-locking universal wheels 104. The support frame 105 fits with the bottom frame 201.
[0023] The top of the lifting assembly 111 is fixedly connected to the top plate 110, the bottom of the top plate 110 is fixedly connected to the support frame 105, the front of the hopper 117 is fixedly connected to the first rotating shaft 114, the front of the first rotating shaft 114 is fixedly connected to the motor 113, the motor 113 is fixedly connected to the connecting frame 112, the back of the hopper 117 is fixedly connected to the second rotating shaft 115, the surface of the second rotating shaft 115 is rotatably connected to the bearing 116, and the bearing 116 is fixedly connected to the connecting frame 112.
[0024] A gate 108 is fixedly connected to the inside of the feed hopper 107, a control panel 109 is arranged on the top of the gate 108, the control panel 109 is fixedly connected to the storage box 106, connecting rods 118 are fixedly connected to the front and back sides of the feed hopper 107, and the bottoms of the two connecting rods 118 are fixedly connected to the same chassis 101.
[0025] Through the above technical solution, the position of the feeding mechanism 1 can be moved by the self-locking universal wheel 104, and the feeding mechanism 1 can be transported to the storage position to fill the storage box 106, and then the feeding mechanism 1 is transported back, which can save the step of repeatedly pouring scattered bolts into the storage box 106 manually, and the height of the feeding mechanism 1 can be raised or lowered by the electric stretch rod 102, which is convenient for providing adjustment solutions for workers of different heights, and the friction between the self-locking universal wheel 104 and the electric stretch rod 102 is reduced by the rubber pad 103, wherein the lifting component 111 is a prior art, and the lifting and lowering of the docking hopper 117 is realized by a chain. When the receiving hopper 117 is lowered to the position of the feeding hopper 107, the gate 108 can be opened through the control panel 109, so that the bolts in the storage box 106 fall from the feeding hopper 107 into the receiving hopper 117. When the filling is completed, the gate 108 is closed and the receiving hopper 117 is raised. At the same time, the first rotating shaft 114 is rotated by the motor 113 to tilt the receiving hopper 117 so that the bolts inside can be poured out. The second rotating shaft 115 is connected to the bearing 116 to provide support for the receiving hopper 117 without affecting its adjustment angle, so that the loading can be completed automatically, which reduces manual intervention and improves production efficiency.
[0026] Embodiment 2 like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the present invention provides a technical solution: an automatic bolt packaging machine, a weighing mechanism 2 includes a bottom frame 201, a first support column 202 is fixedly connected to the top of the bottom frame 201, a workbench 204 is fixedly connected to the top of the first support column 202, a pouring hopper 205 is arranged on the top of the workbench 204, a pouring port is opened on the right side of the pouring hopper 205, a screening machine 209 is arranged at the bottom of the pouring hopper 205, and a stirrer 213 is arranged on the right side of the pouring hopper 205.
[0027] The bottom of the workbench 204 is fixedly connected to a power storage box 203, the outer side of the power storage box 203 is in contact with the bottom frame 201, the top of the workbench 204 is fixedly connected to a connecting plate 208, the top of the connecting plate 208 is fixedly connected to a first fixed column 207, and the top of the first fixed column 207 is fixedly connected to the pouring hopper 205.
[0028] A limiting plate 206 is fixedly connected inside the material discharge port, a second fixing column 212 is fixedly connected to the right side of the limiting plate 206 , and a bottom of the second fixing column 212 is fixedly connected to the stirrer 213 .
[0029] A plurality of second support columns 211 are fixedly connected to the top of the workbench 204 . The plurality of second support columns 211 are arranged in a rectangular array. The tops of the plurality of second support columns 211 are all fixedly connected to the same sheath 210 , and the sheath 210 is sleeved with the screening machine 209 .
[0030] Through the above technical solution, the first support column 202 is connected to the bottom frame 201 to support the workbench 204, wherein the power storage box 203 is a prior art, which can provide buffering and storage for the power demand of large-scale machine operation, and the pouring hopper 205 receives the bolts poured out by the receiving hopper 117, and slows down the area of the pouring hopper 205 pouring the bolts through the limit plate 206 to prevent the bolts from falling onto the workbench 204, wherein the screening machine 209 is a prior art, including a high-speed vibration plate, which can weigh or confirm the number of bolts poured into the pouring hopper 205, and can determine the amount of material falling, and through a plurality of second support columns 2 11 Supporting sleeve 210, using sleeve 210 to support and protect the screening machine 209, wherein the sleeve 210 is made of tough material, which can slightly alleviate the vibration generated during the operation of the screening machine 209, and at the same time, through the second fixed column 212 fixed on the limit plate 206, the screening efficiency of the screening machine 209 is further assisted by the agitator 213. Through the precise counting and weighing device, it can ensure that the number of bolts in each packaging bag is accurate, avoiding errors caused by manual operation, and can be suitable for the packaging of fasteners such as bolts of different specifications and materials, with high adaptability and flexibility.
[0031] Embodiment 3 like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the present invention provides a technical solution: an automatic bolt packaging machine, the bagging mechanism 3 includes a discharge hopper 301, the discharge hopper 301 is fixedly connected to the screening machine 209, a drop pipe 302 is arranged on the right side of the discharge hopper 301, the drop pipe 302 is fixedly connected to the workbench 204, the output port of the drop pipe 302 is fixedly connected to a packaging tube 303, a packer 304 is arranged at the bottom of the packaging tube 303, and the packer 304 is fixedly connected to the bottom frame 201.
[0032] A conveyor belt 305 is provided at the bottom of the packaging container 304 . A fixing plate 306 is fixedly connected to the outer side of the conveyor belt 305 . A bracket 307 is fixedly connected to the bottom of the conveyor belt 305 . The bracket 307 is fixedly connected to the fixing plate 306 .
[0033] Through the above technical solution, the bolts dropped by the screening machine 209 in a single time are poured out through the discharge hopper 301, and the dropping tube 302 and the packaging tube 303 are used to expand the coverage area when they fall, so as to facilitate packaging with the packaging container 304. The packaging container 304 is a prior art, which can package the dropped bolts, cut bags and seal them. At the same time, the packaged bolts will be quickly transported and lifted by the high-speed conveyor belt 305, and will be caught by the container and wait for the staff to transport them away, which further reduces manual intervention and improves efficiency.
[0034] When in use, the position of the feeding mechanism 1 can be moved by the self-locking universal wheel 104. The feeding mechanism 1 can be transported to the storage position to fill the storage box 106, and then the feeding mechanism 1 is transported back, which can save the step of repeatedly pouring scattered bolts into the storage box 106 manually. The height of the feeding mechanism 1 can be raised or lowered by the electric stretch rod 102, which is convenient for providing adjustment solutions for workers of different heights. The friction between the self-locking universal wheel 104 and the electric stretch rod 102 is reduced by the rubber pad 103. Among them, the lifting component 111 is a prior art, and the lifting and lowering of the docking hopper 117 is achieved by a chain. When the receiving hopper 117 is lowered to the position of the feeding hopper 107, the gate 108 can be opened through the control panel 109, so that the bolts in the storage box 106 fall from the feeding hopper 107 into the receiving hopper 117. When the filling is completed, the gate 108 is closed and the receiving hopper 117 is raised. At the same time, the first rotating shaft 114 is rotated by the motor 113 to tilt the receiving hopper 117 so that the bolts inside can be poured out. The second rotating shaft 115 is connected to the bearing 116 to provide support for the receiving hopper 117 without affecting its adjustment angle, so that the loading can be completed automatically, which reduces manual intervention and improves production efficiency. The workbench 204 is supported by connecting the first support column 202 and the bottom frame 201, wherein the power storage box 203 is a prior art, which can provide buffering and storage for the power demand of large-scale machine operation, and the pouring hopper 205 receives the bolts poured out by the receiving hopper 117, and slows down the area of the pouring hopper 205 pouring the bolts through the limit plate 206 to prevent the bolts from falling onto the workbench 204, wherein the screening machine 209 is a prior art, including a high-speed vibration plate, which can weigh or confirm the number of bolts poured into the pouring hopper 205, and can determine the amount of material falling, and is supported by multiple second support columns 211 The sheath 210 is used to support and protect the screening machine 209, wherein the sheath 210 is made of tough material and can slightly alleviate the vibration generated during the operation of the screening machine 209. At the same time, the second fixed column 212 fixed on the limit plate 206 and the agitator 213 further assist the screening efficiency of the screening machine 209. Through the precise counting and weighing devices, the number of bolts in each packaging bag can be ensured to be accurate, avoiding errors caused by manual operation, and can be suitable for the packaging of fasteners such as bolts of different specifications and materials, with high adaptability and flexibility. The bolts dropped by the screening machine 209 in a single time are poured out through the discharge hopper 301, and the drop tube 302 and the packaging tube 303 are used to expand the coverage area when they fall, so as to facilitate packaging with the packaging container 304. The packaging container 304 is a prior art, which can package the dropped bolts, cut bags and seal them. At the same time, the packaged bolts will be quickly transported and lifted by the high-speed conveyor belt 305, and will be caught by the container and wait for the staff to transport them away, which further reduces manual intervention and improves efficiency.
[0035] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic bolt packaging machine, comprising a feeding mechanism (1), characterized in that: A weighing mechanism (2) is arranged on the right side of the feeding mechanism (1), and a bagging mechanism (3) is arranged on the right side of the weighing mechanism (2); the weighing mechanism (2) is fitted with the feeding mechanism (1), and the bagging mechanism (3) is fixedly connected with the weighing mechanism (2); The feeding mechanism (1) comprises a chassis (101), the bottom of the chassis (101) is provided with a self-locking universal wheel (104), the top of the chassis (101) is provided with a material storage box (106), the right side of the material storage box (106) is provided with a feed hopper (107), the right side of the feed hopper (107) is provided with a lifting assembly (111), the bottom of the lifting assembly (111) is fixedly connected with a connecting frame (112), and the bottom of the connecting frame (112) is provided with a receiving hopper (117); The weighing mechanism (2) comprises a bottom frame (201), the top of the bottom frame (201) is fixedly connected to a first support column (202), the top of the first support column (202) is fixedly connected to a workbench (204), a pouring hopper (205) is arranged on the top of the workbench (204), a pouring port is opened on the right side of the pouring hopper (205), a sifter (209) is arranged at the bottom of the pouring hopper (205), and a stirrer (213) is arranged on the right side of the pouring hopper (205).
2. The automatic bolt packaging machine according to claim 1, characterized in that: Two electric stretching rods (102) are fixedly connected to the bottom of the chassis (101); a support frame (105) is fixedly connected to the right side of the chassis (101); the bottom of the support frame (105) is fixedly connected to the electric stretching rods (102); the bottoms of a plurality of the electric stretching rods (102) are fixedly connected to rubber pads (103); the plurality of rubber pads (103) are fixedly connected to self-locking universal wheels (104); and the support frame (105) is in close contact with the bottom frame (201).
3. The bolt automatic packaging machine according to claim 1, characterized in that: The top of the lifting assembly (111) is fixedly connected to a top plate (110), the bottom of the top plate (110) is fixedly connected to a support frame (105), the front of the receiving hopper (117) is fixedly connected to a first rotating shaft (114), the front of the first rotating shaft (114) is fixedly connected to a motor (113), the motor (113) is fixedly connected to a connecting frame (112), the back of the receiving hopper (117) is fixedly connected to a second rotating shaft (115), the surface of the second rotating shaft (115) is rotatably connected to a bearing (116), and the bearing (116) is fixedly connected to the connecting frame (112).
4. The automatic bolt packaging machine according to claim 1, characterized in that: A gate (108) is fixedly connected to the inside of the feed hopper (107), a control panel (109) is arranged on the top of the gate (108), and the control panel (109) is fixedly connected to the storage box (106). Connecting rods (118) are fixedly connected to the front and back sides of the feed hopper (107), and the bottoms of the two connecting rods (118) are fixedly connected to the same chassis (101).
5. The automatic bolt packaging machine according to claim 1, characterized in that: The bottom of the workbench (204) is fixedly connected to a power storage box (203), the outer side of the power storage box (203) is in contact with the bottom frame (201), the top of the workbench (204) is fixedly connected to a connecting plate (208), the top of the connecting plate (208) is fixedly connected to a first fixing column (207), and the top of the first fixing column (207) is fixedly connected to the pouring hopper (205).
6. The automatic bolt packaging machine according to claim 1, characterized in that: A limiting plate (206) is fixedly connected inside the material discharge port, a second fixing column (212) is fixedly connected to the right side of the limiting plate (206), and the bottom of the second fixing column (212) is fixedly connected to the stirrer (213).
7. The automatic bolt packaging machine according to claim 1, characterized in that: A plurality of second support columns (211) are fixedly connected to the top of the workbench (204), the plurality of second support columns (211) are arranged in a rectangular array, and the tops of the plurality of second support columns (211) are all fixedly connected to the same protective sleeve (210), and the protective sleeve (210) is sleeved with the screening machine (209).
8. The automatic bolt packaging machine according to claim 1, characterized in that: The bagging mechanism (3) comprises a discharge hopper (301), the discharge hopper (301) being fixedly connected to the screening machine (209), a drop pipe (302) being arranged on the right side of the discharge hopper (301), the drop pipe (302) being fixedly connected to the workbench (204), a packing tube (303) being fixedly connected to the output port of the drop pipe (302), a packing container (304) being arranged at the bottom of the packing tube (303), and the packing container (304) being fixedly connected to the bottom frame (201).
9. The automatic bolt packaging machine according to claim 8, characterized in that: A conveyor belt (305) is provided at the bottom of the packaging container (304); a fixing plate (306) is fixedly connected to the outer side of the conveyor belt (305); a supporting seat (307) is fixedly connected to the bottom of the conveyor belt (305); and the supporting seat (307) is fixedly connected to the fixing plate (306).