A fully automatic pneumatic button sewing machine
The fully automatic pneumatic fastening machine utilizes pneumatic drive components and linkage assemblies to achieve automated fastening, solving the problem of multiple operators taking turns in underground coal mine operations, reducing labor costs and safety risks, and improving operational safety and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANGHAI CHUANGHAO CONVEYOR EQUIP CO LTD
- Filing Date
- 2024-01-31
- Publication Date
- 2026-06-19
AI Technical Summary
Existing fastening machines require multiple operators to take turns in underground coal mine operations, which is physically demanding and increases the risk of accidents, resulting in increased labor costs and safety hazards.
Design a fully automatic pneumatic button-attaching machine. Through a drive component, a connecting rod assembly, and a lever assembly, the button-attaching process is automated. The crank is driven by pneumatic means to reduce manual intervention.
The process of fastening the fasteners has been automated, saving labor costs, reducing safety risks in downhole operations, and improving operational safety and efficiency.
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Figure CN117898516B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of button attaching machine technology, and in particular to a fully automatic pneumatic button attaching machine. Background Technology
[0002] It is known that belt fastening machines are mainly used in coal mining processes. During underground coal mining, extendable belt conveyors need to be shortened (or extended). When the capacity of the belt storage bin is exceeded, the excess (or missing) conveyor belt needs to be quickly removed (or replenished). Belt fastening machines are generally used to fasten conveyor belts together.
[0003] When a conveyor belt breaks, the worn part of the old belt is cut off, and then the two ends of the cut conveyor belt are sewn together. The usual method of connection is to use a belt fastening machine to fasten the belt.
[0004] The conveyor belt fastener is made of metal and consists of a U-shaped fastener body and a U-shaped saddle nail. Small holes are located at corresponding positions on both ends of the fastener body to allow the saddle nail's prongs to pass through. For ease of use, the saddle nail is pre-installed at one end of the fastener body. To fasten the fastener, first place the conveyor belt into the fastener body and press the fastener body so that both ends of the fastener body are tightly against the belt surface. Then, push the saddle nail into the fastener body, allowing the nail tip to pass through the conveyor belt and exit through the small hole at the other end of the fastener body. After bending, the nail head presses firmly against the fastener body.
[0005] Utility patent CN203702990U discloses a lever-type fastening machine that causes minimal damage to saddle nails. Its key feature is that the fastening mechanism includes a crank connected to a right handle. Different positions of this crank connect to two sets of linkage mechanisms. One set of linkage mechanisms controls the up-and-down movement of a punch to drive the saddle nail into the fastening body of the conveyor belt buckle. The other set of linkage mechanisms controls a pull cutter, whose movement is inclined and allows it to contact the tip of the saddle nail in the conveyor belt buckle. These two sets of linkage mechanisms are configured such that when the right handle is pulled down, the punch moves upward, pushing the saddle nail into the fastening body, while simultaneously allowing the pull cutter to return to its original position. When the right handle returns, the punch moves downward back to its original position, the pull cutter is pulled out, and the saddle nail head is bent by pushing the nail tip.
[0006] In actual use, when using the technology disclosed in the above patent for construction, it was found that each time the buckle was fastened, multiple people had to take turns to pull the lever back and forth repeatedly to fasten it. During the fastening process, the metal belt buckle not only had to be bent but also had to be pressed firmly onto the conveyor belt, which was extremely physically demanding. It was usually difficult for one person to fasten the buckle continuously, so multiple people had to take turns to operate. Moreover, since it was underground work, this undoubtedly increased the risk of accidents and also increased the labor costs of the coal mining company. Summary of the Invention
[0007] To address the aforementioned issues, this application provides a fully automatic pneumatic button-attaching machine.
[0008] The fully automatic pneumatic button-attaching machine provided in this application adopts the following technical solution:
[0009] A fully automatic pneumatic button-attaching machine includes a machine head and cranks respectively disposed on both sides of the machine head. A frame is fixed to the machine head, and a slide rail is provided on the frame. A drive block is disposed in the slide rail and slides along a direction perpendicular to the axial direction of the crank shaft. A reversing rod is slidably disposed on the drive block, and the sliding direction of the reversing rod is perpendicular to the sliding direction of the drive block. A connecting rod assembly for driving the crank to rotate is disposed on the crank shaft. A lever assembly is also disposed at the end of the frame near the machine head to control the movement of the reversing rod and the drive block. When the drive block is pushed to slide to the lever assembly, the lever assembly pushes the reversing rod to slide, so that the reversing rod is connected to the connecting rod assembly, and continues to drive the drive block to slide, thereby causing the crank to rotate. A drive component for driving the drive block to slide is also disposed on the frame.
[0010] By adopting the above technical solution, when it is necessary to drive the cranks on the left or right side of the frame to rotate, the drive block is moved to the position of the lever assembly in advance by the drive component. Through the lever assembly, the reversing rod slides towards one side of the frame. For example, when the reversing rod is driven to slide towards the right crank of the frame, the reversing rod is connected to the connecting rod assembly on the right side of the frame. After the connection is in place, the drive block is pulled back by controlling the drive component, thereby pulling the crank on the right side of the frame to rotate. Similarly, the reversing rod is driven to slide to the crank on the left side of the frame, thereby pulling the crank on the left side of the frame to rotate. The fastening process does not require manual driving of the machine head for fastening, which is convenient to operate and saves a lot of labor costs. When used in an underground environment, it saves manpower and reduces the risk of accidents.
[0011] Optionally, the connecting rod assembly includes a first rod coaxially fixed to the crank and a second rod rotatably connected to the end of the first rod away from the crank.
[0012] By adopting the above technical solution, in the initial state, the end of the second rod away from the first rod is in the position of the lever assembly. When the drive block moves to the part of the lever assembly, it controls the reversing rod to slide and insert into the shaft hole of the second rod, thereby driving the drive block to move again, realizing the displacement of the first rod and the second rod, and causing the crank part to rotate, so that the drive block, the first rod, the second rod and the crank form a crank-slider mechanism.
[0013] Optionally, the lever assembly includes a shift fork sliding within the frame, a first cylinder disposed on one side of the frame, a second cylinder disposed on the other side of the frame, and a control component disposed at the end of the shift fork away from the reversing lever for controlling the operation of the drive component. A mounting ring is coaxially fixed to the outer side of the reversing lever, and a first slot for embedding the mounting ring is provided at the end of the shift fork near the reversing lever. The lever assembly also includes a detection component disposed on the drive block for controlling the operation of the first and second cylinders.
[0014] By adopting the above technical solution, when the reversing lever slides to be coaxial with the piston rod end of the first cylinder or the second cylinder, the detection component simultaneously triggers the position, thereby controlling the first cylinder and the second cylinder to work synchronously, thereby pushing the reversing lever to move. After the reversing lever and the shift fork move synchronously, the feedback of the control component is triggered, thereby controlling the drive component to perform a pull-back operation.
[0015] Optionally, the control component includes a first valve fixed to the frame and a second valve fixed to the side wall of the first valve. The contacts of the first valve and the second valve are arranged in opposite directions. The shift fork includes a third rod sliding on the frame, a fourth rod integrally formed on the third rod for actuating the first valve, and a fifth rod integrally formed on the end of the third rod for actuating the second valve. The first slot is formed at the end of the third rod away from the fourth rod. The first valve controls the second cylinder, and the second valve controls the first cylinder.
[0016] By adopting the above technical solution, when the first cylinder drives the reversing rod to move towards the second cylinder, the fourth rod moves closer to the first valve, thereby actuating the first valve. When the fourth rod contacts the contact of the first valve, it indicates that the reversing rod and the second rod located on the side of the second valve have been connected, thereby charging the air passage of the driving component, causing the piston rod of the driving component to retract, thereby pulling the second rod located on the side of the second valve to move.
[0017] Optionally, the piston rod ends of both the first cylinder and the second cylinder are configured as hemispherical blocks. The detection component includes a trigger rod disposed on the drive block and a third valve disposed on the side wall of the frame and used in conjunction with the trigger rod to control the first cylinder and the second cylinder.
[0018] By adopting the above technical solution, interference is reduced. When the hemispherical block of the first cylinder abuts against the second rod, it is easier for the end of the second cylinder to disengage from the drive block. This makes it less likely for the drive block to slip and jam. When the reversing rod moves to a position coaxial with the hemispherical block, the trigger rod abuts against the contact of the third valve, thereby achieving control of the first and second cylinders.
[0019] Optionally, a guide shaft is fixed between the two hemispherical blocks. One end of the guide shaft is fixedly connected to the hemispherical block on the first cylinder, and the other end of the guide shaft is fixedly connected to the hemispherical block on the second cylinder. A second slot for embedding an installation ring is provided on the guide shaft.
[0020] By adopting the above technical solution, it is ensured that the piston rod of the second cylinder retracts synchronously while the piston rod of the first cylinder extends, and the extension distance is consistent with the retraction distance, making it difficult for the piston rod of the first cylinder or the second cylinder to fail to extend or retract completely.
[0021] Optionally, the drive block is provided with a mounting hole for sliding of the directional rod, and the drive block is also provided with a ball plunger, the ball of which extends into the mounting hole and abuts against the side wall of the directional rod.
[0022] By adopting the above technical solution, when the directional rod slides into place, the ball head of the ball plunger abuts against the side wall of the directional rod, making it difficult for the directional rod to move axially along the mounting hole without external force, thereby enhancing the stability of the directional rod operation.
[0023] Optionally, a fourth valve for detecting the return of the drive block to its initial position is provided on the side wall of the frame, a pressure rod for abutting the fourth valve is rotatably mounted on the frame, and a stop bar for rotating the pressure rod is fixed on the side wall of the drive block.
[0024] By adopting the above technical solution, it is possible to detect whether the drive block has reached the reset position, thereby better controlling the extension and retraction of the piston rod of the drive component.
[0025] Optionally, the frame is also equipped with a hand-operated valve for one-button reset of the drive block, and the drive component is a cylinder.
[0026] By adopting the above technical solution, regardless of the position of the drive block, simply pressing the hand-operated valve allows air to be supplied to the drive component, causing the piston rod of the drive component to retract into the cylinder and pull the drive block back to its original position.
[0027] In summary, this application includes at least one of the following beneficial technical effects:
[0028] 1. The snap-locking process does not require manual operation of the machine head, making it convenient to operate and saving a lot of labor costs. When used in an underground environment, it saves manpower and reduces the risk of accidents.
[0029] 2. The fully automatic fastening is achieved through pneumatic drive, which improves the safety of fastening machine operation, especially in underground coal mines. Attached Figure Description
[0030] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0031] Figure 1 This is a schematic diagram of the overall structure of this application.
[0032] Figure 2 This is a schematic diagram of the housing of the rack in this application.
[0033] Figure 3 This is a schematic diagram of the driver block in this application.
[0034] Figure 4 This is a partial structural cross-sectional view of the button-attaching machine in this application, mainly used to show the cooperation between the drive block and the shift fork.
[0035] Figure 5 This is a schematic diagram of the engagement between the shift fork and the reversing lever in this application.
[0036] Figure 6 This is a schematic diagram of the connection between the drive component and the drive block in this application, mainly used to show the reversing lever and the trigger lever.
[0037] Figure 7 This is a schematic diagram showing the connection between the hemispherical block and the guide shaft in this application.
[0038] Reference numerals: 1. Machine head; 2. Crank; 3. Frame; 4. Slide rail; 5. Drive block; 6. Reversing rod; 7. Connecting rod assembly; 8. Shift lever assembly; 9. Drive component; 10. First lever; 11. Second lever; 12. Shift fork; 13. First cylinder; 14. Second cylinder; 15. Control component; 16. Mounting ring; 17. First slot; 18. Detection component; 19. First valve; 20. Second valve; 21. Third lever; 22. Fourth lever; 23. Fifth lever; 24. Hemispherical block; 25. Trigger lever; 26. Third valve; 27. Guide shaft; 28. Second slot; 29. Mounting hole; 30. Ball plunger; 31. Fourth valve; 32. Pressure rod; 33. Stop lever; 34. Hand valve. Detailed Implementation
[0039] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.
[0040] This application discloses a fully automatic pneumatic button-attaching machine.
[0041] Reference Figure 1A fully automatic pneumatic button-attaching machine includes a head 1 and a crank 2. It is known that in the process of using the original button-attaching machine, the crank 2 on one side of the head 1 is rotated in a reciprocating and synchronous manner, while the crank 2 on the other side rotates in the opposite direction, thereby realizing the button-attaching operation.
[0042] Reference Figure 1 and Figure 2 To achieve automatic fastening via pneumatic drive, a frame 3 is fixed to the machine head 1, and a slide rail 4 is provided through the side wall of the frame 3. The length direction of the slide rail 4 is perpendicular to the axis of the crank 2. A drive block 5 is slidably disposed in the slide rail 4.
[0043] Reference Figure 1 In this embodiment, the frame 3 is further provided with a driving component 9 for driving the driving block 5 to slide. The driving component 9 is a cylinder and is fixedly installed at the end of the frame 3 away from the machine head 1. The piston rod of the driving component 9 is fixedly connected to the driving block 5. Controlling the extension and retraction of the piston rod of the driving component 9 can drive the driving block 5 to slide.
[0044] Reference Figure 3 A mounting hole 29 is provided through the drive block 5. The axis of the mounting hole 29 is perpendicular to the sliding direction of the drive block 5. A reversing rod 6 is slidably connected in the mounting hole 29. The sliding direction of the reversing rod 6 is perpendicular to the sliding direction of the drive block 5.
[0045] Reference Figure 1 A connecting rod assembly 7 for rotating the crank 2 is also provided between the crank 2 and the drive block 5. The connecting rod assembly 7 includes a first rod 10 and a second rod 11. One end of the first rod 10 is coaxially fixedly connected to the shaft of the crank 2, and one end of the second rod 11 is rotatably connected to the end of the first rod 10 away from the crank 2. The end of the second rod 11 away from the first rod 10 has a shaft hole for the reversing rod 6 to pass through. In this embodiment, when the connecting rod assembly 7 on one side of the frame 3 is in motion, the connecting rod assembly 7 on the other side of the frame 3 is in a stationary state.
[0046] Reference Figure 1 and Figure 3 In this embodiment, a lever assembly 8 is also provided at one end of the frame 3 near the head 1, which controls the movement of the reversing lever 6 and the movement of the drive block 5. The drive block 5 is pushed to slide to the lever assembly 8, and the lever assembly 8 pushes the reversing lever 6 to slide, so that the reversing lever 6 is connected to the shaft hole of one of the second rods 11, thereby driving the drive block 5 to slide, so that the crank 2 rotates.
[0047] Reference Figure 4The lever assembly 8 includes a shift fork 12, a first cylinder 13, a second cylinder 14, and a control element 15. The shift fork 12 is slidably disposed within the frame 3, and is vertically positioned with its sliding direction perpendicular to the sliding direction of the drive block 5. The shift fork 12 is used to trigger the operation of the control element 15. The first cylinder 13 and the second cylinder 14 are respectively fixedly mounted on both sides of the frame 3, and are symmetrically arranged. Both the first cylinder 13 and the second cylinder 14 are located at the end of the slide rail 4 near the machine head 1, and their piston rods can extend into the inner cavity of the slide rail 4. The control element 15 is positioned above the shift fork 12.
[0048] Reference Figure 4 In this embodiment, the control component 15 includes a first valve 19 and a second valve 20. The first valve 19 is fixedly installed on the upper side of the frame 3, and the second valve 20 is fixedly installed on the upper side of the first valve 19. Both the first valve 19 and the second valve 20 are two-position three-port directional valves, wherein the contacts of the first valve 19 and the second valve 20 are arranged in opposite directions.
[0049] Reference Figure 4 and Figure 5 The shift fork 12 includes a third lever 21, a fourth lever 22 integrally formed at the end of the third lever 21, and a fifth lever 23, with the fourth lever 22 and the fifth lever 23 arranged parallel to each other. A mounting ring 16 is coaxially fixed to the reversing lever 6, and a first slot 17 for embedding the mounting ring 16 is provided at the end of the third lever 21 away from the fourth lever 22.
[0050] Reference Figure 4 and Figure 5 Since the second valve 20 is located above the first valve 19, the fifth rod 23 is used to actuate the second valve 20, and the fourth rod 22 is used to actuate the contact of the first valve 19. Therefore, the length of the fifth rod 23 is greater than the length of the fourth rod 22. Initially, the first valve 19 and the second valve 20 are located between the fourth rod 22 and the fifth rod 23.
[0051] Reference Figure 1 , Figure 4 and Figure 6 The lever assembly 8 also includes a detection assembly 18 mounted on the drive block 5 for controlling the operation of the first cylinder 13 and the second cylinder 14. The detection assembly 18 includes a trigger rod 25 and a third valve 26. The trigger rod 25 is slidably connected to the slider and is arranged parallel to the reversing rod 6. In this embodiment, the trigger rod 25 and the reversing rod 6 are relatively fixed. In this embodiment, there are two third valves 26, both located on both sides of the frame 3. The third valves 26 are two-position three-port reversing valves.
[0052] Reference Figure 1 , Figure 4 and Figure 6In this embodiment, to better illustrate the solution, the frame 3 is defined as having a left side and a right side, with the first cylinder 13 installed on the left side of the frame 3 and the second cylinder 14 installed on the right side. One third valve 26, located on the left side, controls the retraction of the piston rod of the second cylinder 14 on the right side of the frame 3, while simultaneously extending the piston rod of the first cylinder 13. The other third valve 26, located on the right side of the frame 3, controls the retraction of the piston rod of the first cylinder 13 on the left side of the frame 3, while simultaneously extending the piston rod of the second cylinder 14. In this embodiment, the contact of the second valve 20 faces the left side of the frame 3, and the contact of the first valve 19 faces the right side.
[0053] Reference Figure 1 , Figure 4 and Figure 6 In the initial state, both the reversing lever 6 and the trigger lever 25 are in a sliding state, and the piston rod of the first cylinder 13 is in a retracted state, while the piston rod of the second cylinder 14 is in an extended state. When the drive block 5 is slid to the position of the first cylinder 13, the axis of the reversing lever 6 coincides with the axis of the first cylinder 13. At this time, one end of the trigger lever 25 just touches and is in contact with the third valve 26 on the left side of the frame 3, thereby controlling the piston rod of the first cylinder 13 to extend and the piston rod of the second cylinder 14 to retract, so that the reversing lever 6 is moved to the right side of the frame 3.
[0054] Reference Figure 1 , Figure 4 and Figure 6 Simultaneously, the fifth lever 23 actuates the contact of the second valve 20, while at the same time, one end of the trigger lever 25 disengages from the left third valve 26, and the other end of the trigger lever 25 abuts against the right third valve 26 of the frame 3. At this time, both the right third valve 26 and the second valve 20 of the frame 3 are actuated, thereby controlling the air path to retract the piston rod of the drive component 9, thereby pulling the second lever 11 on the right side of the frame 3 to move, thus driving the crank 2 on the right side of the frame 3 to rotate.
[0055] Reference Figure 3 In order to ensure that the reversing rod 6 is in a stable state after being displaced, in this embodiment, a ball-head plunger 30 is installed on the drive block 5. The ball head of the ball-head plunger 30 is located in the mounting hole 29. The ball head of the ball-head plunger 30 can abut against the reversing rod 6 in real time, so that the reversing rod 6 is difficult to slide freely along the axial direction of the mounting hole 29 without the action of external force.
[0056] Reference Figure 1 , Figure 4 and Figure 6A fourth valve 31, a two-position three-port directional control valve, is installed on the side wall of the frame 3 to detect when the drive block 5 returns to its initial position. A pressure rod 32, which abuts against the fourth valve 31, is rotatably connected to the side wall of the frame 3. A stop lever 33, which rotates the pressure rod 32, is fixed to the side wall of the drive block 5. When the drive block 5 is pulled back to its original position by the drive member 9, the stop lever 33 rotates the pressure rod 32, causing it to abut against the fourth valve 31. This, in turn, controls the piston rod of the drive member 9 to extend until the drive block 5 and the end of the trigger rod 25 abut against the third valve 26 on the right side of the frame 3. This causes the piston rod of the first cylinder 13 on the left side of the frame 3 to retract and the piston rod of the second cylinder 14 to extend, thus moving the directional control lever 6 to the crank 2 position near the left side of the frame 3, engaging left gear.
[0057] Reference Figure 4 , Figure 6 and Figure 7 In this embodiment, in order to ensure the synchronization of the first cylinder 13 and the second cylinder 14, hemispherical blocks 24 are provided at the piston rod ends of the first cylinder 13 and the second cylinder 14. A guide shaft 27 is fixedly installed between the two hemispherical blocks 24. The guide shaft 27 is slidably connected to the frame 3. The sliding direction of the guide shaft 27 is perpendicular to the sliding direction of the drive block 5. In the initial state, the guide shaft 27 is located below the drive block 5.
[0058] Reference Figure 4 , Figure 5 and Figure 7 This also allows the second cylinder 14 to pull the reversing rod 6 when the first cylinder 13 pushes the reversing rod 6 to slide, and vice versa, so that the first cylinder 13 pulls the reversing rod 6 when the piston rod driving the second cylinder 14 pushes the reversing rod 6 to slide. In this embodiment, a second slot 28 for embedding the mounting ring 16 is provided on the side wall of the guide shaft 27.
[0059] Reference Figure 4 and Figure 6 In order to facilitate the maintenance of the button-attaching machine, a hand-operated valve 34 is also provided on the frame 3. By pressing the hand-operated valve 34, regardless of the position of the drive block 5, air can be forcibly supplied to the drive component 9, that is, the cylinder, so that the piston rod of the drive component 9 retracts.
[0060] Unless otherwise defined, the technical or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "first," "second," "third," and similar terms used in this application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. The terms "an" or "a" and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising" or "including" and similar terms mean that the elements or objects preceding "comprising" or "including" encompass the elements or objects listed following "comprising" or "including" and their equivalents, and do not exclude other elements or objects. "Above," "below," "left," "right," etc., are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0061] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A fully automatic pneumatic button-attaching machine, comprising a machine head (1) and cranks (2) respectively disposed on both sides of the machine head (1), characterized in that: A frame (3) is fixed on the machine head (1). A slide rail (4) is provided on the frame (3). A drive block (5) is provided in the slide rail (4) and slides along a direction perpendicular to the axial direction of the crank (2) shaft. A reversing rod (6) is slidably provided on the drive block (5). The sliding direction of the reversing rod (6) is perpendicular to the sliding direction of the drive block (5). A connecting rod assembly (7) for driving the crank (2) to rotate is provided on the crank (2) shaft. The frame (3) is close to the machine head. One end of the head (1) is also provided with a lever assembly (8) that controls the reversing rod (6) to move with the drive block (5). When the drive block (5) is pushed to slide to the lever assembly (8), the lever assembly (8) pushes the reversing rod (6) to slide, so that the reversing rod (6) is connected to the connecting rod assembly (7), and continues to drive the drive block (5) to slide, thereby causing the crank (2) to rotate. The frame (3) is also provided with a drive member (9) that drives the drive block (5) to slide. The lever assembly (8) includes a shift fork (12) that slides within the frame (3), a first cylinder (13) located on one side of the frame (3), a second cylinder (14) located on the other side of the frame (3), and a control component (15) located at the end of the shift fork (12) away from the reversing lever (6) for controlling the operation of the drive component (9). A mounting ring (16) is coaxially fixed to the outer side of the reversing lever (6). A first slot (17) for embedding the mounting ring (16) is provided at the end of the shift fork (12) near the reversing lever (6). The lever assembly (8) also includes a detection component (18) located on the drive block (5) for controlling the operation of the first cylinder (13) and the second cylinder (14).
2. The fully automatic pneumatic button-attaching machine according to claim 1, characterized in that: The connecting rod assembly (7) includes a first rod (10) coaxially fixed on the crank (2) and a second rod (11) rotatably connected to the end of the first rod (10) away from the crank (2).
3. The fully automatic pneumatic button-attaching machine according to claim 1, characterized in that: The control component (15) includes a first valve (19) fixed on the frame (3) and a second valve (20) fixed on the side wall of the first valve (19). The contacts of the first valve (19) and the second valve (20) are arranged in opposite directions. The shift fork (12) includes a third rod (21) sliding on the frame (3), a fourth rod (22) integrally formed on the third rod (21) for actuating the first valve (19), and a fifth rod (23) integrally formed on the end of the third rod (21) for actuating the second valve (20). The first slot (17) is opened at the end of the third rod (21) away from the fourth rod (22). The first valve (19) controls the second cylinder (14), and the second valve (20) controls the first cylinder (13).
4. The fully automatic pneumatic button-attaching machine according to claim 1, characterized in that: The piston rod ends of the first cylinder (13) and the second cylinder (14) are both set in the shape of hemispherical blocks (24). The detection component (18) includes a trigger rod (25) set on the drive block (5) and a third valve (26) set on the side wall of the frame (3) to cooperate with the trigger rod (25) and to control the first cylinder (13) and the second cylinder (14).
5. A fully automatic pneumatic button-attaching machine according to claim 4, characterized in that: A guide shaft (27) is fixed between the two hemispherical blocks (24). One end of the guide shaft (27) is fixedly connected to the hemispherical block (24) on the first cylinder (13), and the other end of the guide shaft (27) is fixedly connected to the hemispherical block (24) on the second cylinder (14). A second slot (28) for embedding the mounting ring (16) is provided on the guide shaft (27).
6. The fully automatic pneumatic button-attaching machine according to claim 1, characterized in that: The drive block (5) is provided with a mounting hole (29) for sliding of the reversing rod (6). The drive block (5) is also provided with a ball plunger (30). The ball head of the ball plunger (30) extends into the mounting hole (29) and abuts against the side wall of the reversing rod (6).
7. The fully automatic pneumatic button-attaching machine according to claim 1, characterized in that: The side wall of the frame (3) is provided with a fourth valve (31) for detecting the return of the drive block (5) to the initial position. A pressure rod (32) for abutting the fourth valve (31) is rotatably mounted on the frame (3). A stop rod (33) for turning the pressure rod (32) is fixed on the side wall of the drive block (5).
8. The fully automatic pneumatic button-attaching machine according to claim 1, characterized in that: The frame (3) is also equipped with a hand-operated valve (34) for one-button reset of the drive block (5), and the drive component (9) is a cylinder.