Nut production air pressure tapping machine

Abstract

The application discloses a kind of nut production air pressure tapping machine, it is related to tapping machine equipment technical field, including rack, air pressure tapping mechanism, feeding mechanism, discharging mechanism, annular material guide frame and discharging base.In the application, annular material guide frame can simultaneously tap nut in multiple feeding mechanisms Positioning work and discharging work, can realize the simultaneous discharging work of nut in multiple feeding mechanisms, more convenient operation;After nut tapping machining is completed, annular material guide frame drives nut and debris as a whole to swing and push, when the second arc-shaped opening enters above the arc-shaped discharge port, nut and debris directly fall downward from the bottom opening of the second arc-shaped opening, nut and debris pass through the arc-shaped discharge port and then directly move away from the workbench of the rack, which can effectively ensure the rapid discharging and cleaning of nut and debris, and the discharging operation of nut and debris is more convenient, and the equipment service period is longer.

Description

Technical Field

[0001] This invention relates to the field of tapping machine equipment technology, specifically a pneumatic tapping machine for nut production. Background Technology

[0002] A tapping machine is a mechanical device that processes internal threads (screw threads) in the holes of various parts such as machine housings, equipment end faces, and nuts. It is also called a thread tapping machine or a thread tapping machine. The core working principle of a tapping machine is that the spindle drives the tap to rotate, cutting into the metal or other materials to form threads. After processing, it reverses and exits. According to the power source, it can be divided into: pneumatic tapping machines, electric tapping machines, hydraulic tapping machines, and manual tapping machines.

[0003] Existing nut tapping machines typically use a continuous feeding method. In this case, the nuts to be tapped and the nuts to be processed are usually pushed to different workstations before processing. However, this operation method makes it inconvenient to unload the nuts and chips, and leaves chips on the workstation, resulting in a short equipment lifespan and frequent equipment maintenance.

[0004] For example, the aforementioned problem exists in patent (CN220144926U); it describes "a four-axis nut tapping machine, including a frame, a first mounting plate, a second mounting plate, a third mounting plate, a positioning block, a servo motor, a drive wheel, a synchronous belt, a main shaft, a driven wheel, a tap, a first fixed seat, an electric cylinder, a fixed block, a spring, a bolt, a sensor, a guide rod, a feeding seat, a feed plate, a baffle, a slide, a positioning hole, and a second fixed seat; the first mounting plate is fixedly connected to one outer wall of the frame, the servo motor is fixedly connected to one outer wall of the first mounting plate, the output end of the servo motor is fixedly connected to the drive wheel, and a synchronous belt is sleeved on the drive wheel; this utility model design has a sense of..." The switchable structure allows control of the feeding mechanism to switch tapping speeds, adjusting the feeding rate in conjunction with the tap rotation speed for better tapping and preventing over-extrusion of the nut and resulting in damaged threads. Furthermore, the automatic feeding structure enables automatic cyclic feeding, improving processing efficiency. The nut tapping machine in the aforementioned patent uses a vertically positioned feed plate and a horizontally positioned feeding seat to load and feed the nut. The feed plate loads the nut, and the feeding seat delivers it to the tapping station for tapping. This method of operation makes unloading the nut and chips inconvenient and leaves chips at the station, resulting in a shorter equipment lifespan and more frequent maintenance.

[0005] In response to the aforementioned nut tapping machines, nuts are typically fed continuously. In this case, the nuts to be tapped and the nuts to be processed are usually pushed to different workstations before processing. However, this operation method is inconvenient for unloading nuts and chips, and leaves chips on the workstations, resulting in a short equipment lifespan and frequent equipment maintenance. We propose a pneumatic tapping machine for nut production. Summary of the Invention

[0006] The purpose of this invention is to provide a pneumatic tapping machine for nut production, so as to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a pneumatic tapping machine for nut production, comprising a frame and a feeding mechanism. The top of the frame is provided with a plurality of pneumatic tapping mechanisms and feeding mechanisms, which are respectively arranged in a ring on the top of the frame. The feeding mechanism includes a ring guide frame. The top of the frame is provided with a feeding base. The feeding mechanism is vertically arranged on the outer side of the top of the feeding base. Each feeding mechanism corresponds to one pneumatic tapping mechanism. The ring guide frame is horizontally oscillating on the top of the feeding base, and the ring guide frame passes through the top of the feeding mechanism.

[0008] Furthermore, the top of the annular guide frame is provided with a tapping base that matches the feeding mechanism. The top of the annular guide frame has a first arc-shaped opening between two adjacent tapping bases. The tapping base includes a second arc-shaped opening and two arc-shaped blocks. The second arc-shaped opening is located between the two arc-shaped blocks. The outer wall of the annular guide frame has a tapping guide hole outside the second arc-shaped opening. The inner wall of the annular guide frame has a nut positioning groove inside the second arc-shaped opening. The top of the unloading base has an arc-shaped unloading port between two adjacent feeding mechanisms. The arc-shaped unloading port is located below the annular guide frame.

[0009] Furthermore, the inner diameter of the tapping guide hole on the side closer to the pneumatic tapping mechanism is smaller than the inner diameter of the tapping guide hole on the side farther from the pneumatic tapping mechanism.

[0010] Furthermore, the feeding mechanism includes a base, a tapping seat is vertically provided on the top of the base, a nut feeding rack is vertically provided on the top of the tapping seat, a feeding groove is vertically provided on the inner side of the nut feeding rack, a feeding port is provided on the top of the nut feeding rack, and an inclined guide block is provided on the inner wall of the nut feeding rack between the feeding port and the feeding groove. The base is horizontally fixed on the top of the unloading base.

[0011] Furthermore, the tapping seat has a tapping cavity inside, and the outer walls of the tapping seat have openings on both sides outside the tapping cavity that match the annular guide frame; the two ends of the arc-shaped discharge port abut against the edges of two adjacent bases respectively, and the two arc-shaped stops extend to the outside of the tapping seat respectively.

[0012] Furthermore, the tapping base has a nut clamping assembly on its inner side, which includes a first clamping block and a second clamping block. The first clamping block is fixedly connected to the outer wall of an arc-shaped stop. The outer wall of the second clamping block is provided with an adaptive adjustment seat on the side away from the first clamping block. The outer wall of the adaptive adjustment seat is provided with several springs on the side away from the second clamping block. The springs and the adaptive adjustment seat are located inside the arc-shaped stop. The bottom of the adaptive adjustment seat is provided with a vertical limiting block. The top of the feeding base is provided with a limiting strip that matches the limiting block.

[0013] Furthermore, the outer wall of the adaptive adjustment seat is provided with an arc-shaped guide groove on one side, and the outer wall of the second clamping block is provided with an arc-shaped guide strip that matches the arc-shaped guide groove. The outer wall of the arc-shaped guide strip is provided with an arc-shaped limiting plate, and the outer wall of the adaptive adjustment seat is provided with an arc-shaped limiting groove that matches the arc-shaped limiting plate on the outside of the arc-shaped guide groove.

[0014] Furthermore, the unloading mechanism also includes a swing drive assembly, which includes a horizontally arranged first cylinder and a vertically arranged support column. The support column is rotatably located at the center of the unloading base. A support plate is provided on the top of the support column. The outer wall of the support plate is fixedly connected to the annular guide frame through a connecting rod. A swing arm is provided on the outer wall of the support column. One end of the first cylinder is hinged to the frame, and the other end of the first cylinder is hinged to the end of the swing arm away from the support column. The connecting rod is staggered with the loading mechanism, and the first cylinder and the swing arm are respectively located below the frame.

[0015] Furthermore, the pneumatic tapping mechanism includes a mounting base and a pneumatic linear drive assembly. The top of the mounting base is horizontally provided with the tapping assembly, and the output end of the tapping assembly is provided with a tap that matches the tapping guide hole. The mounting base is fixedly connected to the output end of the pneumatic linear drive assembly.

[0016] Furthermore, the pneumatic linear drive assembly includes a second cylinder, the output end of which is provided with a sliding seat, and the mounting seat is fixedly disposed on the top of the sliding seat.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are: This invention features a frame, a pneumatic tapping mechanism, a feeding mechanism, a discharging mechanism, a ring guide frame, and a discharging base. The frame has an inner channel for receiving and placing nuts and chips, ensuring proper receiving and discharging of nuts and chips. The ring guide frame can simultaneously perform tapping, positioning, and discharging operations on nuts from multiple feeding mechanisms, making operation more convenient. After tapping, the ring guide frame drives the nut and chips to swing and push, allowing them to be discharged through holes in the discharging base. This makes discharging easier and extends the equipment's service life. The tapping base in the ring guide frame provides a positioning station for tapping the nuts. The second arc shape in the tapping base... The opening provides space for the nut, and the arc-shaped stop provides a blocking support for the second arc-shaped opening, ensuring the safety and stability of the nut during tapping. The nut positioning groove provides positioning support for the nut inside the second arc-shaped opening, ensuring the safety and stability of the nut during tapping. The first arc-shaped opening, the second arc-shaped opening, and the arc-shaped discharge port are all through openings, ensuring that the nut can normally enter the second arc-shaped opening from above and into the inner side of the second arc-shaped opening. At the same time, when the second arc-shaped opening enters the arc-shaped discharge port, the nut and debris fall directly from the bottom opening of the second arc-shaped opening. After passing through the arc-shaped discharge port, the nut and debris are directly removed from the worktable of the frame, which can effectively ensure the rapid unloading and removal of nuts and debris. The unloading operation of nuts and debris is more convenient, and the service life of the equipment is longer.

[0018] This invention features a nut clamping assembly comprising a first clamping block, a second clamping block, an adaptive adjustment seat, a spring, a limiting block, and a limiting strip. The nut clamping assembly clamps and fixes the nut inside the tapping base, effectively enhancing the safety and stability of the nut during the tapping process. When the nut enters the tapping station, the nut clamping assembly clamps and fixes it; when the nut leaves the tapping station, the nut clamping assembly releases it. The nut clamping assembly swings with the tapping base and the annular guide frame, ensuring the loading, tapping, and unloading of the nut. The adaptive adjustment seat adjusts the angle of the second clamping block, ensuring that the clamping contact surfaces of the first and second clamping blocks are fully engaged with the nut, thereby guaranteeing stable clamping of the nut. The spring ensures that the adaptive adjustment seat can drive the second clamping block to adjust its displacement, allowing the first and second clamping blocks to properly clamp and loosen the nut. It also ensures that the nut on the feeding mechanism can properly enter between the first and second clamping blocks. When the annular guide frame drives the tapping base into the tapping station, the first clamping block moves into the tapping station with the swinging motion of the annular guide frame. As the annular guide frame swings, the limiting strip blocks the adaptive adjustment seat through the limiting block, and the spring stretches, causing the second clamping block to move relative to the annular guide frame. Because the first clamping block moves synchronously with the annular guide frame, the distance between the first and second clamping blocks decreases, effectively achieving the clamping and fixing of the nut. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the frame and pneumatic tapping mechanism of the present invention; Figure 3 This is a schematic diagram of the feeding mechanism and unloading mechanism of the present invention; Figure 4 This is the present invention. Figure 3 Enlarged view of point A in the middle; Figure 5 This is the present invention. Figure 3 Enlarged view of point B in the middle; Figure 6 This is a schematic diagram of the feeding mechanism and the swing drive assembly of the present invention; Figure 7 This is a schematic diagram of the structure of the swing drive assembly of the present invention; Figure 8 This is a schematic diagram of the structure of the annular guide frame nut clamping assembly of the present invention; Figure 9 This is a schematic diagram of the nut clamping assembly of the present invention; Figure 10 This is the present invention. Figure 9 Enlarged view of point C in the middle; In the diagram: 1. Frame; 101. Feeding base; 102. Arc-shaped feeding port; 103. Limiting strip; 2. Pneumatic tapping mechanism; 201. Mounting base; 202. Pneumatic linear drive assembly; 203. Tapping assembly; 204. Tap; 205. Second cylinder; 206. Sliding seat; 3. Feeding mechanism; 301. Base; 302. Tapping seat; 303. Nut feeding rack; 304. Feeding groove; 305. Feed inlet; 306. Inclined guide block; 307. Opening; 4. Feeding mechanism; 401. Circular guide rack; 402. Tapping 403. Base; 404. First arc-shaped opening; 405. Second arc-shaped opening; 406. Arc-shaped stop; 407. Tapping guide hole; 408. Nut positioning groove; 5. Swing drive assembly; 501. First cylinder; 502. Support column; 503. Support plate; 504. Connecting rod; 505. Swing arm; 6. Nut clamping assembly; 601. First clamping block; 602. Second clamping block; 603. Adaptive adjustment seat; 604. Spring; 605. Limiting block; 606. Arc-shaped guide groove; 607. Arc-shaped guide strip; 608. Arc-shaped limiting plate. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0021] Please see Figures 1-8This invention provides a technical solution: a pneumatic tapping machine for nut production, comprising a frame 1 and a feeding mechanism 4. The top of the frame 1 is provided with a plurality of pneumatic tapping mechanisms 2 and feeding mechanisms 3, which are arranged in a ring on the top of the frame 1. The feeding mechanism 4 includes a ring-shaped guide frame 401. The top of the frame 1 is provided with a feeding base 101. The feeding mechanisms 3 are vertically arranged on the outer side of the top of the feeding base 101. Each feeding mechanism 3 corresponds to one pneumatic tapping mechanism 2. The ring-shaped guide frame 401... A horizontally swinging device is positioned on top of the unloading base 101, and the annular guide frame 401 penetrates the top of the loading mechanism 3. The top of the annular guide frame 401 is provided with a tapping base 402 that matches the loading mechanism 3. A first arc-shaped opening 403 is formed between two adjacent tapping bases 402 on the top of the annular guide frame 401. The tapping base 402 includes a second arc-shaped opening 404 and two arc-shaped stops 405. The second arc-shaped opening 404 is located between the two arc-shaped stops 405. The outer wall of the annular guide frame 401 extends beyond the second arc-shaped opening 404. The annular guide frame 401 has a tapping guide hole 406, and a nut positioning groove 407 is provided on the inner wall of the second arc-shaped opening 404. The top of the unloading base 101 has an arc-shaped unloading port 102 between two adjacent loading mechanisms 3, and the arc-shaped unloading port 102 is located below the annular guide frame 401. The inner diameter of the tapping guide hole 406 on the side closer to the pneumatic tapping mechanism 2 is smaller than the inner diameter on the side farther away from the pneumatic tapping mechanism 2. The loading mechanism 3 includes a base 301, and a tapping seat 3 is vertically provided on the top of the base 301. 02. The top of the tapping seat 302 is vertically provided with a nut feeding rack 303. The inner side of the nut feeding rack 303 is vertically provided with a feeding groove 304. The top of the nut feeding rack 303 is provided with a feeding port 305. The inner wall of the nut feeding rack 303 is provided with an inclined guide block 306 between the feeding port 305 and the feeding groove 304. The base 301 is horizontally fixed on the top of the unloading base 101. The tapping seat 302 has a tapping cavity inside. The outer walls of the tapping seat 302 have openings 307 on the outer side of the tapping cavity that match the annular guide rack 401.

[0022] In one embodiment, the two ends of the arc-shaped discharge port 102 abut against the edges of two adjacent bases 301. This arrangement ensures that the arc-shaped discharge port 102 has a sufficiently long discharge channel, allowing nuts and debris to enter the arc-shaped discharge port 102 more quickly under the drive of the annular guide frame 401, effectively reducing debris residue. The two arc-shaped stops 405 extend to the outside of the tapping base 302, ensuring that the size of the arc-shaped stops 405 is sufficient to push the nuts and debris into the arc-shaped discharge port 102 for discharge, while also ensuring that the arc-shaped stops 405 can seal the tapping cavity inside the tapping base 302. This allows the nuts to enter the inside of the tapping base 402 during normal operation, but prevents the nuts from entering the inside of the tapping base 402 when pushing the nuts and debris for discharge.

[0023] Working principle of the invention: Refer to the instruction manual appendix Figures 1-8 This invention comprises a frame 1, a pneumatic tapping mechanism 2, a feeding mechanism 3, a discharging mechanism 4, a ring guide frame 401, and a discharging base 101. The frame 1 supports the entire equipment and also supports the discharging base 101. The inner side of the frame 1 has a channel for receiving and placing nuts and debris, ensuring that the frame 1 can properly receive and discharge nuts and debris. The pneumatic tapping mechanism 2 is used to tap the nuts between the feeding mechanism 3 and the discharging mechanism 4. The feeding mechanism 3 is used to feed the nuts, allowing them to enter the tapping process. The discharging mechanism 4 is used to... The process of tapping nuts involves nut positioning and unloading. The annular guide frame 401 can simultaneously perform tapping, positioning, and unloading operations on nuts from multiple feeding mechanisms 3, making operation more convenient. The unloading base 101 supports the annular guide frame 401 and the feeding mechanism 3. After the nut tapping is completed, the annular guide frame 401 drives the nut and chips to swing and push, allowing the nut and chips to be unloaded through the holes on the surface of the unloading base 101. This makes the unloading operation of the nut and chips more convenient and extends the service life of the equipment. The tapping base 402 in the annular guide frame 401 provides a positioning station for tapping the nut. The first arc-shaped opening 403 provides an arc-shaped channel between two adjacent tapping bases 402. The second arc-shaped opening 404 in the tapping base 402 provides a space for placing the nut. The arc-shaped blocks 405 on both sides of the second arc-shaped opening 404 provide blocking support for the second arc-shaped opening 404 to ensure the safety and stability of the nut during tapping. The tapping guide hole 406 provides a channel for the pneumatic tapping mechanism 2 to enter the inside of the tapping base 402. The nut positioning groove 407 provides positioning support for the nut inside the second arc-shaped opening 404 to ensure the safety and stability of the nut during tapping. The first arc-shaped opening 403, the second arc-shaped opening 404, and the arc-shaped discharge port 102 are all through openings, ensuring that the nut can normally enter the inner side of the second arc-shaped opening 404 from above. At the same time, when the second arc-shaped opening 404 enters the upper side of the arc-shaped discharge port 102, the nut and debris inside the second arc-shaped opening 404 fall directly down from the bottom opening of the second arc-shaped opening 404. After passing through the arc-shaped discharge port 102, the nut and debris are directly removed from the worktable of the frame 1. This effectively ensures the rapid feeding and removal of nuts and debris, making the feeding operation of nuts and debris more convenient and extending the service life of the equipment. The inner diameter of the tapping guide hole 406 on the side closer to the pneumatic tapping mechanism 2 is smaller than the inner diameter on the side farther away from the pneumatic tapping mechanism 2. This design ensures that the tap 204 on the spindle of the pneumatic tapping mechanism 2 passes normally through the tapping guide hole 406 and enters and exits the second arc-shaped opening 404. When the tap 204 moves outward from the inside of the second arc-shaped opening 404, the residual tapping material on the surface of the tap 204 is minimized. Metal chips come into contact with the large diameter of the tapping guide hole 406, and the tap 204 can be normally pulled out from the small diameter of the tapping guide hole 406. The tapping metal chips of the nut are intercepted by the inner diameter of the large diameter of the tapping guide hole 406, so that the tapping metal chips of the nut and the nut remain together inside the second arc-shaped opening 404. Then, the annular guide frame 401 swings, which can push the tapping metal chips of the nut and the nut together towards the arc-shaped discharge port 102, so that the tapping metal chips of the nut and the nut pass through the arc-shaped discharge port 102 and are directly removed from the worktable of the frame 1, which can effectively ensure the rapid feeding and removal of nuts and chips. The base 301 in the feeding mechanism 3 supports the tapping seat 302 and the nut feeding rack 303. The tapping seat 302 and the tapping base 402 on the annular guide rack 401 cooperate to form the tapping processing station for the nut. During the feeding process, the nut feeding rack 303 directly feeds and conveys the nut to the tapping processing station. During the feeding process, the nut falls into the inner side of the second arc-shaped opening 404 of the tapping station. Under the push of the tap 204, the nut located inside the second arc-shaped opening 404 is pushed into the inner side of the nut positioning groove 407. Then the tap 204 performs tapping processing on the nut. The nut located inside the nut positioning groove 407 does not rotate during the tapping process. There is no contact wear with the nut above; the bottom of the tapping base 302 is designed to be open, and the top surface of the base 301 is designed to be closed flat. The base 301 closes the bottom of the second arc-shaped opening 404 at the tapping processing station. At the same time, the base 301 supports the nut and chips. When the annular guide frame 401 swings, the tapping base 402 in the annular guide frame 401 swings. The tapping base 402 swings the nut and chips inside it together, pushing the nut and chips to push the arc-shaped discharge port 102. During the swinging process, the arc-shaped stop 405 of the tapping base 402 blocks and closes the nut falling channel of the nut feeding frame 303, which can effectively prevent the nut from falling. The feeding trough 304 provides a vertical feeding channel in the nut feeding rack 303. The inlet 305 is used to feed nut raw materials to the top of the nut feeding rack 303. The inclined guide block 306 guides the nuts between the inlet 305 and the feeding trough 304, which can effectively ensure that the nuts enter the inside of the feeding trough 304 normally. The tapping cavity inside the tapping seat 302 provides an inlet and outlet channel for the tapping base 402, and the opening 307 ensures that the annular guide frame 401 can normally drive the tapping base 402 in and out of the tapping cavity. The dimensions of the second arc-shaped opening 404, the nut positioning groove 407, the feeding groove 304, the arc-shaped unloading port 102, and the tapping guide hole 406 can be adjusted to suit the size of the nut to be processed. The above contents are common knowledge in the field and are not improvements of the present invention. Therefore, they are not explained in detail. Example

[0024] Please see Figures 1-2 , Figures 6-7 and Figures 9-10This invention provides a technical solution: a pneumatic tapping machine for nut production. The tapping base 402 has a nut clamping assembly 6 on its inner side. The nut clamping assembly 6 includes a first clamping block 601 and a second clamping block 602. The first clamping block 601 is fixedly connected to the outer wall of an arc-shaped stop 405. An adaptive adjustment seat 603 is provided on the outer wall of the second clamping block 602 away from the first clamping block 601. A plurality of springs 604 are provided on the outer wall of the adaptive adjustment seat 603 away from the second clamping block 602. The springs 604 and the adaptive adjustment seat 603 are located on the arc-shaped stop 405. Inside the shaped stop block 405, the bottom of the adaptive adjustment seat 603 is vertically provided with a limiting block 605, and the top of the feeding base 101 is provided with a limiting strip 103 that matches the limiting block 605; one side of the outer wall of the adaptive adjustment seat 603 is provided with an arc-shaped guide groove 606, the outer wall of the second clamping block 602 is vertically provided with an arc-shaped guide strip 607 that matches the arc-shaped guide groove 606, the outer wall of the arc-shaped guide strip 607 is provided with an arc-shaped limiting plate 608, and the outer wall of the adaptive adjustment seat 603 is provided with an arc-shaped limiting groove that matches the arc-shaped limiting plate 608 outside the arc-shaped guide groove 606.

[0025] In one embodiment, the feeding mechanism 4 further includes a swing drive assembly 5, which includes a horizontally arranged first cylinder 501 and a vertically arranged support column 502. The support column 502 is rotatably disposed at the center of the feeding base 101. A support plate 503 is provided on the top of the support column 502. The outer wall of the support plate 503 is fixedly connected to the annular guide frame 401 through a connecting rod 504. A swing arm 505 is provided on the outer wall of the support column 502. One end of the first cylinder 501 is hinged to the frame 1, and the other end of the first cylinder 501 is hinged to the end of the swing arm 505 away from the support column 502. The pneumatic tapping mechanism 2 includes a mounting base 201 and a pneumatic linear drive assembly 202. A tapping assembly 203 is horizontally arranged on the top of the mounting base 201. The output end of the tapping assembly 203 is provided with a tap 204 that matches the tapping guide hole 406. The mounting base 201 is fixedly connected to the output end of the pneumatic linear drive assembly 202. The swing drive assembly 5 is used to swing and adjust the annular guide frame 401, so that the annular guide frame 401 can normally drive the tapping base 402 to swing and adjust, so that the tapping base 402 can normally move in and out of the tapping seat 302. The extension and retraction of the first cylinder 501 can drive the swing arm 505 to swing, the swing arm 505 drives the support column 502 to swing, the support column 502 drives the support plate 503 to swing, and the support plate 503 drives the annular guide frame 401 to swing and adjust through the connecting rod 504. The mounting seat 201 in the pneumatic tapping mechanism 2 supports the tapping assembly 203. The pneumatic linear drive assembly 202 can drive the mounting seat 201 to perform linear motion adjustment, thereby realizing the linear motion adjustment of the tapping assembly 203. The tap 204 in the tapping assembly 203 is responsible for tapping the nut. The tap 204 passes through the tapping guide hole 406 and can realize the tapping of the nut.

[0026] In one embodiment, the connecting rod 504 is staggered with the feeding mechanism 3, which ensures that the connecting rod 504 can drive the annular guide frame 401 to swing normally, and avoids mutual collision and interference between the connecting rod 504 and the feeding mechanism 3. The first cylinder 501 and the swing arm 505 are respectively located below the frame 1, making the worktable at the top of the frame 1 cleaner and reducing the difficulty of maintenance and cleaning. At the same time, the size of the first cylinder 501 and the swing arm 505 needs to be reasonably planned to avoid the nuts and debris falling from the arc-shaped discharge port 102 from contacting the first cylinder 501 and the swing arm 505.

[0027] In one embodiment, the pneumatic linear drive assembly 202 includes a second cylinder 205, and a sliding seat 206 is provided at the output end of the second cylinder 205. The mounting seat 201 is fixedly disposed on the top of the sliding seat 206. The second cylinder 205 can drive the sliding seat 206 to perform linear motion. The sliding seat 206 drives the tapping assembly 203 to perform linear motion through the mounting seat 201, so that the tapping assembly 203 can normally perform tapping operations on the nut.

[0028] Working principle of the invention: Refer to the attached diagram in the instruction manual. Figures 1-2 , Figures 6-7 and Figures 9-10 The present invention provides a nut clamping assembly 6, comprising a first clamping block 601, a second clamping block 602, an adaptive adjustment seat 603, a spring 604, a limiting block 605, and a limiting strip 103. The nut clamping assembly 6 clamps and fixes the nut inside the tapping base 402, effectively enhancing the safety and stability of the nut during the tapping process. When the nut enters the tapping station, the nut clamping assembly 6 clamps and fixes the nut; when the nut leaves the tapping station, the nut clamping assembly 6 releases the nut. Furthermore, the nut clamping assembly 6 swings along with the tapping base 402 and the annular guide frame 401, ensuring the loading, tapping, and unloading of the nut. The first clamping block 601 is fixedly connected to an arc-shaped stop 405. When the annular guide frame 401 swings and adjusts, the first clamping block 601 swings and adjusts synchronously with the annular guide frame 401. The second clamping block 602 is movably mounted on another arc-shaped stop 405 through an adaptive adjustment seat 603 and a spring 604. The first clamping block 601 and the second clamping block 602 cooperate to clamp and fix the nut. The adaptive adjustment seat 603 adjusts the angle of the second clamping block 602 to ensure that the first clamping block 601 and the second clamping block 602 are properly aligned. The clamping contact surface can fully fit with the nut, thereby ensuring the clamping stability of the nut; the spring 604 provides elastic support on the back of the adaptive adjustment seat 603, ensuring that the adaptive adjustment seat 603 can be displaced, thereby ensuring that the adaptive adjustment seat 603 can drive the second clamping block 602 to be displaced, so that the first clamping block 601 and the second clamping block 602 can normally clamp and fix the nut and release it, and at the same time, it can also ensure that the nut on the feeding mechanism 3 can normally enter between the first clamping block 601 and the second clamping block 602; The limiting block 605 and the limiting strip 103 work together. When the limiting block 605 moves to the position of the limiting strip 103 following the adaptive adjustment seat 603, the limiting strip 103 blocks the limiting block 605. As the annular guide frame 401 continues to swing, under the limiting action of the limiting strip 103 and the limiting block 605, the annular guide frame 401 and the adaptive adjustment seat 603 move relative to each other, so that the second clamping block 602 moves relative to the annular guide frame 401. When the annular guide frame 401 drives the tapping base 402 into the tapping station, the first clamping block 601 moves into the tapping station along with the swinging motion of the annular guide frame 401. The second clamping block 602 and the adaptive adjustment seat 603 also move into the tapping station along with the swinging motion of the annular guide frame 401. As the annular guide frame 401 swings, the limiting strip 103 blocks the adaptive adjustment seat 603 through the limiting block 605. The spring 604 is stretched, causing the annular guide frame 401 and the adaptive adjustment seat 603 to move relative to each other, and causing the second clamping block 602 to move relative to the annular guide frame 401. Since the first clamping block 601 moves synchronously with the annular guide frame 401, the distance between the first clamping block 601 and the second clamping block 602 is reduced, which can effectively achieve the clamping and fixing of the nut. When the annular guide frame 401 drives the tapping base 402 away from the tapping station, the annular guide frame 401 drives the first clamping block 601 and one end of the spring 604 to move synchronously. At this time, the spring 604 contracts, the second clamping block 602 does not move, and the distance between the first clamping block 601 and the second clamping block 602 increases. As the annular guide frame 401 continues to swing, the first clamping block 601 and the second clamping block 602 swing together, so that the first clamping block 601 and the second clamping block 602 push the nut and the debris toward the arc-shaped discharge port 102, and the nut and the debris are discharged from the arc-shaped discharge port 102. The arc-shaped guide groove 606 on the outer wall of the adaptive adjustment seat 603 and the arc-shaped guide strip 607 on the second clamping block 602 cooperate with each other to ensure that the arc-shaped guide strip 607 of the second clamping block 602 can be angled within the arc-shaped guide groove 606 of the adaptive adjustment seat 603. This allows the second clamping block 602 to adaptively fit the outer wall of the nut when the first clamping block 601 and the second clamping block 602 clamp and fix the nut, ensuring the clamping stability and safety of the nut by the first clamping block 601 and the second clamping block 602, thereby ensuring the safety and stability of the nut during tapping. The arc-shaped limiting plate 608 on the outer wall of the arc-shaped guide strip 607 cooperates with the arc-shaped limiting groove to perform secondary guiding and limiting treatment between the arc-shaped guide groove 606 and the arc-shaped guide strip 607, which can effectively improve the safety and stability of the adaptive adjustment of the second clamping block 602. The arc-shaped stop block 405 has an arc-shaped space (not shown in the figure) for the installation and displacement of the spring 604 and the adaptive adjustment seat 603. The spring 604 is fixedly connected to the inner wall of the arc-shaped space to ensure that the adaptive adjustment seat 603 and the annular guide frame 401 can perform relative displacement movement normally, and to ensure that the first clamping block 601 and the second clamping block 602 can perform clamping and loosening operations on the nut normally. The dimensions of spring 604, adaptive adjustment seat 603, first clamping block 601 and second clamping block 602 can be adjusted to suit the size of the nut to be processed. The tapping assembly 203, the first cylinder 501, the second cylinder 205, and the tap 204 in this invention all adopt existing mature structures. Their transmission principle, sealing structure, and control method can all adopt existing mature conventional structural components and conventional control technology. The above content is common knowledge in the field and is not an improvement of this invention. Therefore, it has not been explained in detail.

[0029] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pneumatic tapping machine for nut production, comprising a frame (1) and a feeding mechanism (4), characterized in that: The top of the frame (1) is provided with several pneumatic tapping mechanisms (2) and feeding mechanisms (3). The pneumatic tapping mechanisms (2) and feeding mechanisms (3) are respectively arranged in a ring on the top of the frame (1). The unloading mechanism (4) includes a ring guide frame (401). The top of the frame (1) is provided with a unloading base (101). The feeding mechanism (3) is vertically arranged on the outside of the top of the unloading base (101). Each feeding mechanism (3) is distributed corresponding to a pneumatic tapping mechanism (2). The ring guide frame (401) is horizontally swung on the top of the unloading base (101), and the ring guide frame (401) passes through the top of the feeding mechanism (3).

2. The pneumatic tapping machine for nut production according to claim 1, characterized in that: The top of the annular guide frame (401) is provided with a tapping base (402) that matches the feeding mechanism (3). The top of the annular guide frame (401) is provided with a first arc-shaped opening (403) between two adjacent tapping bases (402). The tapping base (402) includes a second arc-shaped opening (404) and two arc-shaped blocks (405). The second arc-shaped opening (404) is opened between the two arc-shaped blocks (405). The outer wall of the annular guide frame (401) is provided with a tapping guide hole (406) outside the second arc-shaped opening (404). The inner wall of the annular guide frame (401) is provided with a nut positioning groove (407) inside the second arc-shaped opening (404). The top of the unloading base (101) is provided with an arc-shaped unloading port (102) between two adjacent feeding mechanisms (3). The arc-shaped unloading port (102) is located below the annular guide frame (401).

3. The pneumatic tapping machine for nut production according to claim 2, characterized in that: The inner diameter of the tapping guide hole (406) on the side closer to the pneumatic tapping mechanism (2) is smaller than the inner diameter of the tapping guide hole (406) on the side farther away from the pneumatic tapping mechanism (2).

4. A pneumatic tapping machine for nut production according to claim 2, characterized in that: The feeding mechanism (3) includes a base (301), a tapping seat (302) is vertically provided on the top of the base (301), a nut feeding rack (303) is vertically provided on the top of the tapping seat (302), a feeding groove (304) is vertically provided on the inner side of the nut feeding rack (303), a feed inlet (305) is provided on the top of the nut feeding rack (303), and an inclined guide block (306) is provided on the inner wall of the nut feeding rack (303) between the feed inlet (305) and the feeding groove (304). The base (301) is horizontally fixed on the top of the unloading base (101).

5. A pneumatic tapping machine for nut production according to claim 4, characterized in that: The tapping seat (302) has a tapping cavity inside, and the outer walls of the tapping seat (302) have openings (307) on both sides of the tapping cavity that match the annular guide frame (401); the two ends of the arc-shaped feed port (102) abut against the edges of two adjacent bases (301), and the two arc-shaped blocks (405) extend to the outside of the tapping seat (302).

6. A pneumatic tapping machine for nut production according to claim 2, characterized in that: The tapping base (402) is provided with a nut clamping assembly (6) on its inner side. The nut clamping assembly (6) includes a first clamping block (601) and a second clamping block (602). The first clamping block (601) is fixedly connected to the outer wall of an arc-shaped stop (405). The outer wall of the second clamping block (602) is provided with an adaptive adjustment seat (603) on the side away from the first clamping block (601). The outer wall of the adaptive adjustment seat (603) is provided with a plurality of springs (604) on the side away from the second clamping block (602). The springs (604) and the adaptive adjustment seat (603) are located inside the arc-shaped stop (405). The bottom of the adaptive adjustment seat (603) is provided with a vertical limit block (605). The top of the unloading base (101) is provided with a limit strip (103) that matches the limit block (605).

7. A pneumatic tapping machine for nut production according to claim 6, characterized in that: The adaptive adjustment seat (603) has an arc-shaped guide groove (606) on one side of its outer wall. The second clamping block (602) has an arc-shaped guide strip (607) that matches the arc-shaped guide groove (606) vertically on its outer wall. The arc-shaped guide strip (607) has an arc-shaped limiting plate (608) on its outer wall. The adaptive adjustment seat (603) has an arc-shaped limiting groove that matches the arc-shaped limiting plate (608) on its outer side of the arc-shaped guide groove (606).

8. A pneumatic tapping machine for nut production according to claim 2, characterized in that: The feeding mechanism (4) further includes a swing drive assembly (5), which includes a horizontally arranged first cylinder (501) and a vertically arranged support column (502). The support column (502) is rotatably located at the center of the feeding base (101). The top of the support column (502) is provided with a support plate (503). The outer wall of the support plate (503) is fixedly connected to the annular guide frame (401) through a connecting rod (504). The outer wall of the support column (502) is provided with a swing arm (505). One end of the first cylinder (501) is hinged to the frame (1), and the other end of the first cylinder (501) is hinged to the end of the swing arm (505) away from the support column (502). The connecting rod (504) is staggered with the feeding mechanism (3). The first cylinder (501) and the swing arm (505) are both located below the frame (1).

9. A pneumatic tapping machine for nut production according to claim 2, characterized in that: The pneumatic tapping mechanism (2) includes a mounting base (201) and a pneumatic linear drive assembly (202). The mounting base (201) is horizontally provided with a tapping assembly (203) at its top. The output end of the tapping assembly (203) is provided with a tap (204) that matches the tapping guide hole (406). The mounting base (201) is fixedly connected to the output end of the pneumatic linear drive assembly (202).

10. A pneumatic tapping machine for nut production according to claim 9, characterized in that: The pneumatic linear drive assembly (202) includes a second cylinder (205), and a sliding seat (206) is provided at the output end of the second cylinder (205). The mounting seat (201) is fixedly disposed on the top of the sliding seat (206).

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