Connecting rod turning device of panel furniture connecting piece

Abstract

A turning device for a connecting rod of a panel furniture connecting piece relates to the technical field of turning equipment and comprises a chuck, a collecting mechanism, a first isolation hood, a second isolation hood and a cleaning scraper capable of moving back and forth, the chuck is provided with a first magnet sheet, and a rotary clamping assembly is provided with a second magnet sheet. The chuck and the rotary clamping assembly can be magnetically coupled through the first magnet piece and the second magnet piece so that the chuck can drive the rotary clamping assembly to rotate synchronously, the first isolation cover covers the chuck and covers the first magnet piece, and the second isolation cover covers the rotary clamping assembly and covers the second magnet piece. The cleaning scraper is arranged between the first isolation hood and the second isolation hood, in the process that the collecting mechanism moves backwards to be close to the chuck, the front end face of the first isolation hood and the rear end face of the second isolation hood make contact with the cleaning scraper, and the cleaning scraper scrapes metal chips adsorbed to the front end face of the first isolation hood and the rear end face of the second isolation hood. And the effect of magnetic coupling reduction caused by magnetic force weakening due to excessive accumulation of metal chips is avoided.

Description

Technical Field

[0001] This invention relates to the field of turning equipment technology, and more specifically to a turning apparatus for turning rod-shaped workpieces. Background Technology

[0002] Panel furniture is made of assembled wood boards. Different assembly structures require different connectors. For aesthetic purposes, two vertically connected boards are usually connected using a three-in-one connector, also known as an invisible connector. This type of connector includes a connecting rod, which can be divided into three parts: one end is a threaded structure, the other end is a nut, and the middle part is a recessed rod body. The rod body is cylindrical and has no threads on its surface. A plastic sleeve is usually fitted onto the rod body.

[0003] The processing of this type of connecting rod typically involves using a long metal rod as raw material. The threaded portion and the rod body are machined using a turning process, with different outer diameters for these two parts. The rod is then cut to the specified length to form a connecting rod blank, which is further processed to create the threads and nut. When the connecting rod is cut on the lathe, it rotates at high speed and falls, making it prone to impact damage. To address this, Chinese patent document CN120133555A proposes a solution: a clamping mechanism. This mechanism and chuck are equipped with magnetically coupled magnets. Before cutting, the clamping mechanism holds the metal shaft (i.e., the lathe-machined workpiece) and magnetically couples it with the chuck. The chuck drives the clamping mechanism to rotate synchronously. After the metal shaft is cut, the clamping mechanism collects it. This prevents the metal shaft from falling and causing damage after cutting, and because the clamping mechanism rotates synchronously with the chuck via magnetic coupling, it also prevents friction damage to the sides of the metal shaft.

[0004] However, turning processes generate flying metal chips. The magnetic plates on the chuck and clamping mechanism used for magnetic coupling easily attract these metal chips. Excessive metal chips adsorbed on the magnetic plates can affect the magnetic coupling effect, causing the clamping mechanism and chuck to rotate out of sync, which can easily scratch the side of the workpiece. Summary of the Invention

[0005] In view of this, the connecting rod turning device for panel furniture connectors provided by the present invention is less likely to scratch the side of the workpiece after long-term use.

[0006] To achieve the above objectives, the present invention provides the following technical solutions.

[0007] 1. A turning device for connecting rods of panel furniture connectors, comprising a chuck and a collecting mechanism. The chuck is used to clamp the workpiece and drive it to rotate. The collecting mechanism is used to collect the workpiece after it has been cut off during turning. The collecting mechanism can move back and forth to approach or move away from the chuck. The collecting mechanism includes a rotatable rotating clamping assembly for clamping and collecting the workpiece. The chuck is provided with a first magnet, and the rotating clamping assembly is provided with a second magnet. The chuck and the rotating clamping assembly can be magnetically coupled through the first and second magnets to make the chuck drive the rotating clamping assembly to rotate synchronously. It also includes a first isolation cover, a second isolation cover, and a back-and-forth movable cleaning mechanism. The cleaning scraper consists of a first isolation cover on the chuck covering a first magnet, and a second isolation cover on the rotary clamping assembly covering a second magnet, to prevent metal shavings generated during turning from adhering to the magnets. The cleaning scraper is positioned between the first and second isolation covers. As the collecting mechanism moves backward toward the chuck, the front and rear faces of both the first and second isolation covers come into contact with the cleaning scraper. After the chuck and the rotary clamping assembly are magnetically coupled, the first and second isolation covers rotate synchronously with the chuck and the rotary clamping assembly, respectively, thereby scraping off the metal shavings adhering to the front and rear faces of the first and second isolation covers.

[0008] An isolation cover protects the magnet, preventing metal shavings from being attracted to it and difficult to clean. The shavings are attracted to the isolation cover, making them easy to remove with a cleaning scraper. This prevents excessive metal shavings from weakening the magnetic force and reducing magnetic coupling, ensuring the chuck and rotary clamping assembly rotate synchronously and preventing scratches on the workpiece sides.

[0009] 2. Based on technical solution 1, the first isolation cover can move back and forth relative to the first magnet piece, and the second isolation cover can move back and forth relative to the second magnet piece. During the process of the collecting mechanism moving backward and approaching the chuck, the first isolation cover moves forward relative to the first magnet piece in advance so that its front end face is away from the first magnet piece, and the second isolation cover moves backward relative to the second magnet piece in advance so that its rear end face is away from the second magnet piece. The front end face of the first isolation cover and the rear end face of the second isolation cover both contact the cleaning scraper. After the chuck and the rotating clamping assembly are magnetically coupled, the cleaning scraper begins to scrape off the metal shavings adsorbed on the front end face of the first isolation cover and the rear end face of the second isolation cover.

[0010] As the first isolation cover moves forward and its front end moves away from the first magnet, the magnetic force of the magnet on the metal shavings adsorbed on the front end of the first isolation cover weakens, making it easier for the cleaning scraper to remove them. This prevents the metal shavings from being too strongly attracted by the magnetic force to be removed by the scraper.

[0011] 3. Based on technical solution 2, it also includes a main unit housing. The main unit housing includes a housing body, a hydraulic cylinder body, and a transmission push plate. The hydraulic cylinder body is movably connected to the housing body and can move back and forth relative to the housing body. The hydraulic cylinder body is equipped with a second return spring, which is connected to the housing body to provide a spring force to the hydraulic cylinder body to move forward and reset relative to the housing body. A chuck is connected to the housing body. The hydraulic cylinder body has a first cavity and a second cavity that are interconnected. The first cavity and the second cavity are respectively equipped with a first piston and a second piston. The transmission push plate is fixedly connected to the first piston, and a first isolation cover is fixedly connected to the second piston. The first cavity is equipped with a first return spring, which is used to provide a forward spring force to the first piston to move forward and reset. The collecting mechanism also includes a rearwardly extending push rod, and the second isolation cover is equipped with a third return spring, which provides a spring force to the second isolation cover to move it rearward relative to the second magnetic plate. The cleaning scraper is slidably connected to the push rod and can move back and forth along the push rod. As the collecting mechanism moves backward toward the chuck, the push rod contacts and pushes the transmission push plate backward. The first piston is driven backward, and through hydraulic transmission, it pushes the second piston forward, driving the first isolation cover to move forward relative to the first magnet. After the first isolation cover reaches its foremost position relative to the first magnet, the push rod continues to push the transmission push plate backward. The transmission push plate drives the hydraulic cylinder, the first isolation cover, and the chuck to move backward relative to the main body of the box and the chuck, until the first isolation cover moves to its final position relative to the first magnet. After the cleaning scraper contacts both the first and second isolation covers, the collecting mechanism continues to move backward, and the cleaning scraper squeezes the second isolation cover, causing it to move forward relative to the second magnet plate.

[0012] During the forward and backward movement of the collecting mechanism, the first and second isolation covers are driven to move forward and backward in a coordinated manner, and then reset with the help of various return springs. No additional power mechanism is required, which saves costs and simplifies the structure and control.

[0013] 4. Based on technical solution 1, the collecting mechanism further includes a transfer component and a receiving component. The transfer component is located in front of the rotary clamping component and transfers the workpiece collected by the rotary clamping component to the receiving component for storage. The transfer assembly includes a transfer channel, a transfer suction and push device, and a transfer cleaning device. The transfer channel is arranged in the front-to-back direction. The transfer suction and push device picks up the workpiece from the rotating clamping assembly and pushes the workpiece forward in the transfer channel to be collected by the receiving assembly. The transfer cleaning device is located next to the transfer channel and cleans up the metal shavings that adhere to and entangle on the workpiece along the way.

[0014] During the cutting process, metal shavings will be generated. Some of these shavings will adhere to and become entangled on the workpiece. By cleaning off the metal shavings adhering to and entangled on the workpiece during the transfer process, it can directly proceed to the next processing step, eliminating the need for subsequent special cleaning, saving steps and improving efficiency.

[0015] 5. Based on technical solution 4, the transfer and cleaning device includes a cleaning drive motor, a cleaning shaft, and a flexible cleaning rope. One end of the cleaning rope is fixed on the cleaning shaft. The cleaning drive motor drives the cleaning shaft to rotate, which in turn drives the cleaning rope to rotate around the cleaning shaft, so as to dislodge the metal shavings adhering to and wrapped around the workpiece from front to back.

[0016] The flexible cleaning rope moves from front to back, pushing away the metal shavings that adhere to and entangle the workpiece. For some longer and more entangled metal shavings, the high-speed rotating cleaning rope can also whip them to break them off, and then push them away from the workpiece, thereby achieving the purpose of cleaning the metal shavings from the workpiece.

[0017] 6. Based on technical solution 5, the transfer suction and push device includes a suction and push rod and a transfer drive assembly. The suction and push rod is located in the transfer channel. The transfer drive assembly can drive the suction and push rod to move back and forth and up and down. An electromagnet is provided at the rear end of the suction and push rod. The suction and push rod attracts the workpiece from the rotating clamping assembly and drags it forward into the transfer channel before releasing the workpiece. The suction and push rod moves to the rear of the workpiece and pushes the workpiece to continue moving forward in the transfer channel, transferring it to the receiving assembly for storage. The suction rod also includes a rod body, a retraction block, a telescopic push rod, and a telescopic return spring. The telescopic push rod is embedded in the rod body and can extend forward or retract backward from the front end of the rod body. The retraction block is located at the top of the rod body and is fixedly connected to the telescopic push rod. The telescopic return spring is connected to the telescopic push rod and provides the telescopic push rod with a spring force to move forward and extend out of the front end of the rod body.

[0018] The suction rod pushes the workpiece forward from behind within the transfer channel. A cleaning rope moves the metal shavings adhering to and entangled on the workpiece from front to back. These metal shavings adhere to and entangle on the telescopic push rod at the rear of the workpiece. After the workpiece is pushed from the front opening of the transfer channel into the receiving assembly, the suction rod is driven to continue moving forward. A retraction block abuts against the side wall at the front of the transfer channel, and the rod continues to move forward. The telescopic push rod then retracts, pushing away the metal shavings adhering to and entangled on it, which then fall from the front opening of the transfer channel, thus completing the cleaning of the telescopic push rod.

[0019] 7. Based on technical solution 1, the rotary clamping assembly includes an annular clamping airbag, a squeezing ring, and a pushing electromagnet. The squeezing ring is located at the front end of the clamping airbag. The pushing electromagnet can drive the squeezing ring to move back and forth. After the workpiece is inserted into the annular ring of the clamping airbag, the pushing electromagnet drives the squeezing ring to move backward and squeeze the clamping airbag. The clamping airbag deforms and thus clamps the workpiece. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the turning apparatus of the present invention.

[0021] Figure 2 This is a perspective view of a portion of the structure of the turning apparatus of the present invention.

[0022] Figure 3 for Figure 2 Enlarged diagram of point A in the middle.

[0023] Figure 4 This is a sectional view of the main unit chassis structure.

[0024] Figure 5 for Figure 4 Enlarged diagram of point B in the middle.

[0025] Figure 6 This is an exploded view of the rotating clamping assembly.

[0026] Figure 7 This is a three-dimensional structural diagram of the transfer suction and push device and the transfer cleaning device.

[0027] The reference numerals in the figures include: Box body 11, hydraulic cylinder body 12, first cavity 121, first piston 122, first return spring 123, second cavity 124, second piston 125, second return spring 126, transmission push plate 13, chuck 14, first magnet 141, first isolation cover 15; Collection mechanism 2, rotating clamping assembly 21, second isolation cover 211, collection head 213, collection cavity 2131, second magnet 2132, clamping airbag 214, squeezing ring 215, transfer assembly 22, transfer channel 221, transfer drive assembly 224, rod 226, retraction block 227, telescopic top rod 228, cleaning drive motor 2231, cleaning shaft 2232, cleaning rope 2233, material collection assembly 23, push rod 24; 3. Cutting blade; 4. Cleaning scraper; 5. Workpiece. Detailed Implementation

[0028] The invention will be described in detail below with reference to specific embodiments.

[0029] like Figure 1-5As shown, the connecting rod turning device for panel furniture connectors in this embodiment includes a main unit housing, a collecting mechanism 2, a cutting blade 3, and a cleaning scraper 4. The main unit housing is equipped with a chuck 14. Figure 4 To facilitate the demonstration of the improvements of this invention and simplify the structure of the main unit, the unimproved parts of this invention are omitted. The main body 11 and the chuck 14 are depicted as a single unit. The chuck 14 is used to clamp the round rod to be processed and rotate it, cooperating with the cutting tool to perform turning processing on the workpiece. The collecting mechanism 2 is located at the front of the main unit. After the cutting tool has finished turning the round rod, the collecting mechanism 2 moves backward closer to the main unit. The collecting mechanism 2 includes a rotating clamping assembly 21, a transfer assembly 22, and a receiving assembly 23. The rotating clamping assembly 21 is located at the rear end of the transfer assembly 22 and can move back and forth with the transfer assembly 22. The rotating clamping assembly 21 clamps the turned workpiece 5 and rotates synchronously with the chuck 14. The cutting tool 3 cuts the round rod, and the turned part separates to form the turned workpiece 5. The transfer assembly 22 transfers the workpiece 5 collected by the rotating clamping assembly 21 to the receiving assembly 23 for storage. After collecting the workpiece 5, the collecting mechanism 2 moves forward away from the main unit.

[0030] like Figure 7 As shown, the rotary clamping assembly 21 includes a collecting head 213, an annular clamping airbag 214, a squeezing ring 215, and a pushing electromagnet. The collecting head 213 has a collecting cavity 2131, and the clamping airbag 214 and the squeezing ring 215 are located in the collecting cavity 2131. The squeezing ring 215 is located at the front end of the clamping airbag 214. The pushing electromagnet can drive the squeezing ring 215 to move back and forth. After the workpiece 5 is inserted into the ring of the clamping airbag 214, the pushing electromagnet drives the squeezing ring 215 to move backward and squeeze the clamping airbag 214. The clamping airbag 214 deforms and thereby clamps the workpiece 5.

[0031] See Figure 4 The chuck 14 is provided with a first magnet piece 141, which is combined with Figure 6 The rotary clamping assembly 21 is equipped with a second magnet 2132. The chuck 14 and the rotary clamping assembly 21 can be magnetically coupled through the first magnet 141 and the second magnet 2132, so that the chuck 14 can drive the rotary clamping assembly 21 to rotate synchronously. The main unit also includes a first isolation cover 15, and the rotary clamping assembly 21 is equipped with a second isolation cover 211. The first isolation cover 15 covers the chuck 14 and covers the first magnet 141, and the second isolation cover 211 covers the rotary clamping assembly 21 and covers the second magnet 2132, so as to prevent metal chips generated during turning from adhering to the magnets. Figures 2-3As shown, the cleaning scraper 4 is located between the first isolation cover 15 and the second isolation cover 211 and can move back and forth. During the process of the collection mechanism 2 moving backward and approaching the chuck 14, the front end face of the first isolation cover 15 and the rear end face of the second isolation cover 211 both contact the cleaning scraper 4. After the chuck 14 and the rotating clamping assembly 21 are magnetically coupled, the first isolation cover 15 and the second isolation cover 211 rotate synchronously with the chuck 14 and the rotating clamping assembly 21, respectively. The cleaning scraper 4 thereby scrapes off the metal shavings adsorbed on the front end face of the first isolation cover 15 and the rear end face of the second isolation cover 211.

[0032] An isolation cover protects the magnet, preventing metal shavings from being attracted to it and difficult to clean. The metal shavings are attracted to the isolation cover through which they are held, and then easily scraped off using the cleaning scraper 4. This prevents excessive accumulation of metal shavings from weakening the magnetic force and reducing the magnetic coupling effect, ensuring that the chuck 14 and the rotary clamping assembly 21 rotate synchronously, and preventing scratches on the sides of the workpiece 5.

[0033] Metal shavings are also generated during the cutting process of the cutting blade. At the same time, the cleaning scraper 4 is also scraping and cleaning the isolation cover. The remaining metal shavings will be cleaned before collecting the next workpiece and cutting.

[0034] like Figures 4-5 As shown, the main unit also includes a main body 11, a hydraulic cylinder 12, and a transmission push plate 13. The hydraulic cylinder 12 is movably connected to the main body 11 and can move back and forth relative to the main body 11. The hydraulic cylinder 12 is provided with a second return spring 126, which is connected to the main body 11 to provide a spring force to the hydraulic cylinder 12 to move forward and reset relative to the main body 11. The chuck 14 is connected to the main body 11. The hydraulic cylinder 12 is provided with a first cavity 121 and a second cavity 124 that are interconnected. The first cavity 121 and the second cavity 124 are respectively provided with a first piston 122 and a second piston 125. The transmission push plate 13 is fixedly connected to the first piston 122. The first isolation cover 15 is fixedly connected to the second piston 125. The first cavity 121 is provided with a first return spring 123, which is used to provide a forward spring force to the first piston 122 to move forward and reset.

[0035] like Figures 2-3 As shown, the collecting mechanism 2 also includes a rearwardly extending push rod 24, which is fixedly connected to the transfer assembly 22. The second isolation cover 211 is equipped with a third return spring (not shown in the figure), combined with... Figure 6 The third return spring provides a spring force to the second isolation cover 211, causing it to move backward relative to the second magnet 2132. The cleaning scraper 4 is slidably connected to the push rod 24 and can move back and forth along the push rod 24. During the process of the transfer assembly 22 moving backward toward the chuck 14, it combines... Figures 4-5Push rod 24 contacts and pushes transmission push plate 13 backward, first piston 122 is driven to move backward, and second piston 125 is pushed forward through hydraulic transmission to drive first isolation cover 15 to move forward relative to first magnet 141. When first isolation cover 15 reaches the foremost position relative to first magnet 141 (i.e., the position where first isolation cover 15 is farthest from first magnet 141), both second isolation cover 211 and first isolation cover 15 contact cleaning scraper 4. Transfer assembly 22 continues to move backward, push rod 24 continues to push transmission push plate 13 backward, transmission push plate 13 drives hydraulic cylinder 12, first isolation cover 15 relative to box body 11 and chuck 1 4. Moving backward, during this process, the cleaning scraper 4 squeezes the second isolation cover 211, causing the second isolation cover 211 to continuously approach the second magnet piece 2132, until the first isolation cover 15 moves backward to its final position relative to the first magnet piece 141 (i.e., the position where the first isolation cover 15 is closest to the first magnet piece 141). During the above action, when the distance between the first magnet piece 141 and the second magnet piece 2132 is less than a certain value, the two can be magnetically coupled, and the chuck 14 can drive the rotating clamping assembly 21 to rotate synchronously. The cleaning scraper 4 begins to scrape off the metal shavings adsorbed on the front end face of the first isolation cover 15 and the rear end face of the second isolation cover 211.

[0036] By maintaining a distance between the first isolation cover 15 and the second isolation cover 211 and the first magnet 141 and the second magnet 2132, respectively, the magnetic force induced by the metal shavings attracted to the first isolation cover 15 and the second isolation cover 211 is weakened, making it easier for the cleaning scraper 4 to remove these metal shavings. During the forward and backward movement of the transfer assembly 22, the first isolation cover 15 and the second isolation cover 211 are driven to complete the forward and backward movement, and the subsequent reset is completed by the respective return springs. No additional power mechanism is required, saving costs and simplifying the structure and control.

[0037] like Figure 2 As shown, the transfer component 22 is located in front of the rotary clamping component 21. It transfers the workpiece 5 collected by the rotary clamping component 21 to the receiving component 23 for storage. The transfer component 22 includes a transfer channel 221, a transfer suction and push device, and a transfer cleaning device. The transfer channel 221 is arranged in the front-to-back direction. The transfer suction and push device picks up the workpiece 5 from the rotary clamping component 21 and pushes the workpiece 5 forward in the transfer channel 221 to be stored in the receiving component 23. The transfer cleaning device is located beside the transfer channel 221 and cleans up any metal shavings adhering to or entangled on the workpiece 5 as it passes through. During the cutting process, metal shavings will be generated and some of them will adhere to or entangle on the workpiece 5. By cleaning up the metal shavings adhering to or entangled on the workpiece 5 during the transfer process, it can directly enter the next processing step, eliminating the need for subsequent special cleaning, saving steps, and improving efficiency.

[0038] like Figure 7As shown, in this embodiment, the transfer and cleaning device includes a cleaning drive motor 2231, a cleaning shaft 2232, and a flexible cleaning rope 2233. One end of the cleaning rope 2233 is fixed to the cleaning shaft 2232. The cleaning drive motor 2231 drives the cleaning shaft 2232 to rotate, causing the cleaning rope 2233 to rotate around the cleaning shaft 2232, thereby dislodging the metal shavings adhering to and entangled on the workpiece 5 from front to back. The flexible cleaning rope 2233 dislodles the metal shavings adhering to and entangled on the workpiece 5 from front to back, removing the metal shavings from the workpiece 5. For some longer and entangled metal shavings, the high-speed rotating cleaning rope 2233 can also whip and break these metal shavings, then dislodge them from the workpiece 5, thereby achieving the purpose of cleaning the metal shavings on the workpiece 5.

[0039] like Figure 7 As shown, in this embodiment, the transfer suction and push device includes a suction and push rod and a transfer drive assembly 224. The suction and push rod is located in the transfer channel 221. The transfer drive assembly 224 can drive the suction and push rod to move back and forth and up and down. Specifically, the transfer drive assembly 224 can be a combination of a lead screw and an electric push rod. The lead screw drives the back and forth movement, and the electric push rod drives the up and down movement. An electromagnet is provided at the rear end of the suction and push rod. The suction and push rod attracts the workpiece 5 from the rotating clamping assembly 21 and drags it forward into the transfer channel 221 before releasing the workpiece 5. The suction and push rod moves to the rear of the workpiece 5 and pushes the workpiece 5 to continue moving forward in the transfer channel 221 and being transferred to the receiving assembly 23 for storage. The suction rod also includes a rod body 226, a retraction block 227, a telescopic push rod 228, and a telescopic return spring. The telescopic push rod 228 is embedded in the rod body 226 and can extend forward or retract backward from the front end of the rod body 226. The retraction block 227 is located at the top end of the rod body 226 and is fixedly connected to the telescopic push rod 228. The telescopic return spring is connected to the telescopic push rod 228 and provides the telescopic push rod 228 with a spring force to move forward and extend beyond the front end of the rod body 226. The suction push rod pushes the workpiece 5 from behind, moving it forward within the transfer channel 221. The cleaning rope 2233 moves the metal shavings adhering to and wrapped around the workpiece 5 from front to back. The metal shavings that are moved off the workpiece 5 will adhere to and wrap around the telescopic push rod 228 behind the workpiece 5. After the workpiece 5 is pushed from the front opening of the transfer channel 221 to the receiving assembly 23 for storage, the suction push rod is driven to continue moving forward. The retraction block 227 will abut against the side wall at the front of the transfer channel 221, and the rod body 226 will continue to move forward. The telescopic push rod 228 will then retract the rod body 226, thereby pushing away the metal shavings adhering to and wrapped around the telescopic push rod 228 and causing them to fall from the front opening of the transfer channel 221, thus completing the cleaning of the telescopic push rod 228.

[0040] The general working process of the turning device in this embodiment is as follows: During the turning process of the metal rod, the first isolation cover 15 is in the last position relative to the first magnet piece 141 to avoid obstructing the turning position. The turning position is usually close to the chuck 14. At this time, the rotary clamping assembly 21 is in a more forward position and is far away from the turning position. Furthermore, due to the action of the third return spring, the second isolation cover 211 is in the position farthest from the second magnet piece 2132. Therefore, the metal chips generated during the turning process are not easy to splash onto the position of the second isolation cover 211, and even if a few metal chips splash over, they are not easy to be attracted to the second isolation cover 211.

[0041] After the metal rod is machined, the turning tool retracts, and the transfer assembly 22 moves backward, causing the rotary clamping assembly 21, push rod 24, and the cleaning scraper 4 mounted on the push rod 24 to move backward together. During the backward movement, the push rod 24 contacts and pushes the transmission push plate 13. The transmission push plate 13 moves backward, and through hydraulic transmission, it pushes the first isolation cover 15 forward, while overcoming the elastic force of the first return spring 123. The elastic force of the first return spring 123 is less than that of the second return spring 126, so at this time the hydraulic cylinder 12 does not move, and the first isolation cover 15 remains stationary. As the cleaning blade moves forward, its front end gets further and further away from the first magnet 141 until it reaches its maximum forward stroke. At this point, the first isolation cover 15 reaches its foremost position relative to the first magnet 141. The cleaning blade 4 then contacts both isolation covers and is clamped by them. The two magnets also begin to magnetically couple. The chuck 14 (the first isolation cover 15 rotates with the chuck 14) drives the rotating clamping assembly 21 to rotate synchronously. The cleaning blade 4 does not rotate with the chuck, so the cleaning blade 4 begins to scrape and clean the two isolation covers. The transfer assembly 22 continues to move backward, and the push rod 24 continues to push the transmission push plate 13. Since the first piston 122 has completed its backward movement in the first cavity 121, the hydraulic cylinder 12 begins to move backward, compressing the second return spring 126 and causing the first isolation cover 15 to begin to move backward and reset, that is, to begin to approach the first magnet piece 141, until it returns to the last position relative to the first magnet piece 141 (that is, the position closest to the first magnet piece 141). The transfer assembly 22 stops moving backward, and the rotating clamping assembly 21 clamps the workpiece 5 that has not yet been cut and separated from the metal rod. The cutting blade 3 advances and begins to cut the metal rod to separate the workpiece 5. Metal chips will also be generated during the cutting process. These metal chips will be scraped off by the cleaning scraper 4 at the same time. Some of them will remain in the two isolation covers and will be cleaned up during the backward movement of the transfer assembly 22 after the next workpiece 5 is turned.

[0042] After cutting, the transfer assembly 22 drives the rotary clamping assembly 21, push rod 24, and cleaning scraper 4 to move forward and reset. During this process, due to the action of the various reset springs, the hydraulic cylinder 12, the first piston 122, the second piston 125, the transmission push plate 13, and the two isolation covers will reset. The first isolation cover 15 will reset to the position closest to the first magnet piece 141, and the second isolation cover 211 will reset to the position furthest from the second magnet piece 2132. At the same time, the rotary clamping assembly 21 releases the workpiece 5, and the suction push rod transfers the workpiece 5 through the transfer channel to the receiving assembly 23 for storage. During the passage through the transfer channel 221, the metal chips (mainly those adhering during the turning process) are cleaned away by the transfer cleaning device. The chuck 14 releases the metal rod, the loading mechanism pushes the metal rod forward by the length of one workpiece 5, the chuck 15 re-clamps the metal rod, and the turning of the next workpiece begins, and so on.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions created by the present invention, and are not intended to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions created by the present invention without departing from the essence and scope of the technical solutions created by the present invention.

Claims

1. A turning device for connecting rods of panel furniture connectors, comprising a chuck and a collecting mechanism. The chuck is used to clamp the workpiece and drive it to rotate. The collecting mechanism is used to collect the workpiece after it has been cut off during turning. The collecting mechanism can move back and forth to approach or move away from the chuck. The collecting mechanism includes a rotatable rotating clamping assembly for clamping and collecting the workpiece. The chuck is provided with a first magnet, and the rotating clamping assembly is provided with a second magnet. The chuck and the rotating clamping assembly can be magnetically coupled through the first and second magnets to make the chuck drive the rotating clamping assembly to rotate synchronously. Its characteristic is that... It also includes a first isolation cover, a second isolation cover, and a cleaning scraper that can move back and forth. The first isolation cover covers the chuck and covers the first magnet, and the second isolation cover covers the rotary clamping assembly and covers the second magnet to prevent metal chips generated during turning from adhering to the magnet. The cleaning scraper is located between the first isolation cover and the second isolation cover. As the collecting mechanism moves backward toward the chuck, the front end face of the first isolation cover and the rear end face of the second isolation cover both contact the cleaning scraper. After the chuck and the rotary clamping assembly are magnetically coupled, the first isolation cover and the second isolation cover rotate synchronously with the chuck and the rotary clamping assembly, respectively, and the cleaning scraper thereby scrapes off the metal chips adhering to the front end face of the first isolation cover and the rear end face of the second isolation cover.

2. The turning apparatus as described in claim 1, characterized in that, The first isolation cover can move back and forth relative to the first magnet piece, and the second isolation cover can move back and forth relative to the second magnet piece. As the collecting mechanism moves backward toward the chuck, the first isolation cover moves forward relative to the first magnet piece so that its front end face is away from the first magnet piece, and the second isolation cover moves backward relative to the second magnet piece so that its rear end face is away from the second magnet piece. The front end face of the first isolation cover and the rear end face of the second isolation cover both contact the cleaning scraper. After the chuck and the rotating clamping assembly are magnetically coupled, the cleaning scraper begins to scrape off the metal shavings adsorbed on the front end face of the first isolation cover and the rear end face of the second isolation cover.

3. The turning apparatus as described in claim 2, characterized in that, It also includes a main unit housing, which comprises a housing body, a hydraulic cylinder, and a transmission push plate. The hydraulic cylinder is movably connected to the housing body and can move back and forth relative to the housing body. The hydraulic cylinder is equipped with a second return spring, which is connected to the housing body to provide a spring force to the hydraulic cylinder to move forward and reset relative to the housing body. A chuck is connected to the housing body. The hydraulic cylinder has a first cavity and a second cavity that are interconnected. The first cavity and the second cavity are respectively equipped with a first piston and a second piston. The transmission push plate is fixedly connected to the first piston. A first isolation cover is fixedly connected to the second piston. The first cavity is equipped with a first return spring, which provides a forward spring force to the first piston to move forward and reset. The collecting mechanism also includes a rearward-extending push rod. The second isolation cover is equipped with a third return spring. A spring provides elastic force to the second isolation cover, causing it to move backward relative to the second magnet. The cleaning scraper is slidably connected to the push rod and can move back and forth along the push rod. As the collecting mechanism moves backward toward the chuck, the push rod contacts and pushes the transmission push plate backward, causing the first piston to move backward. Through hydraulic transmission, the second piston is pushed forward to drive the first isolation cover to move forward relative to the first magnet. After the first isolation cover reaches its foremost position relative to the first magnet, the push rod continues to push the transmission push plate backward. The transmission push plate drives the hydraulic cylinder, the first isolation cover, and the chuck to move backward relative to the main body of the box and the chuck until the first isolation cover moves to its final position relative to the first magnet. After the cleaning scraper contacts both the first and second isolation covers, the collecting mechanism continues to move backward, and the cleaning scraper squeezes the second isolation cover, causing it to move forward relative to the second magnet.

4. The turning apparatus as described in claim 1, characterized in that, The collection mechanism also includes a transfer component and a receiving component. The transfer component is located in front of the rotary clamping component and transfers the workpieces collected by the rotary clamping component to the receiving component for storage. The transfer component includes a transfer channel, a transfer suction and push device, and a transfer cleaning device. The transfer channel is arranged in the front-back direction. The transfer suction and push device sucks the workpieces from the rotary clamping component into the transfer channel and pushes the workpieces forward in the transfer channel to be stored in the receiving component. The transfer cleaning device is located next to the transfer channel and cleans the metal shavings that adhere to and entangle on the workpieces along the way.

5. The turning apparatus as described in claim 4, characterized in that, The transfer and cleaning device includes a cleaning drive motor, a cleaning shaft, and a flexible cleaning rope. One end of the cleaning rope is fixed to the cleaning shaft. The cleaning drive motor drives the cleaning shaft to rotate, which in turn drives the cleaning rope to rotate around the cleaning shaft, thereby dislodging the metal shavings adhering to and wrapped around the workpiece from front to back.

6. The turning apparatus as described in claim 5, characterized in that, The transfer suction and push device includes a suction and push rod and a transfer drive assembly. The suction and push rod is located in the transfer channel. The transfer drive assembly can drive the suction and push rod to move back and forth and up and down. An electromagnet is provided at the rear end of the suction and push rod. The suction and push rod attracts the workpiece from the rotating clamping assembly and drags it forward into the transfer channel before releasing the workpiece. The suction and push rod moves behind the workpiece and pushes the workpiece to continue moving forward in the transfer channel to be transferred to the receiving assembly for storage. The suction and push rod also includes a rod body, a retraction block, a telescopic push rod, and a telescopic return spring. The telescopic push rod is embedded in the rod body and can extend forward or retract backward from the front end of the rod body. The retraction block is located at the top end of the rod body and is fixedly connected to the telescopic push rod. The telescopic return spring is connected to the telescopic push rod and provides the telescopic push rod with a spring force to move forward and extend from the front end of the rod body.

7. The turning apparatus as claimed in claim 1, characterized in that, The rotary clamping assembly includes an annular clamping airbag, a squeezing ring, and a pushing electromagnet. The squeezing ring is located at the front end of the clamping airbag. The pushing electromagnet can drive the squeezing ring to move back and forth. After the workpiece is inserted into the ring of the clamping airbag, the pushing electromagnet drives the squeezing ring to move backward and squeeze the clamping airbag, causing the clamping airbag to deform and thereby clamp the workpiece.

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