Feeding mechanism for precise cylindrical threaded pin shaft machining

Abstract

The invention relates to the technical field of conveying equipment, in particular to a precise cylindrical threaded pin shaft machining feeding mechanism which comprises a supporting frame, a conveying mechanism is installed on the supporting frame, a protection mechanism is installed on the conveying mechanism, a feeding mechanism is installed on the conveying mechanism, and a detection mechanism is installed on the conveying mechanism. The conveying mechanism is provided with a guiding-out mechanism, and the conveying mechanism is provided with a discharging mechanism. Through the conveying mechanism, orderly conveying of the threaded pins is facilitated, through installation of the protection mechanism, shielding and protection of the threaded pins in the conveying process are facilitated, conveying of the threaded pins of different lengths is facilitated, through cooperation of the feeding mechanism, polishing of the threaded pins after ejection is facilitated, and through the detection mechanism, detection of the threaded pins of different lengths is facilitated. And the guiding-out mechanism is driven by the detection mechanism to guide out and recycle the overlong threaded pins, and the polished threaded pins can be pushed out and discharged in sequence through the discharging mechanism and can be conveniently conveyed to other working procedures to be machined.

Description

Technical Field

[0001] The invention relates to the technical field of conveying equipment, in particular to a feeding mechanism for machining a precision cylindrical threaded pin shaft. Background Art

[0002] Threaded pins are a commonly used type of standardized fasteners, mainly used for installation in areas such as machine tools or conveyor belts that require positioning or limiting, thereby providing safety protection for the equipment. The length and thickness of threaded pins on different equipment are different. During the production and processing process, a feeding mechanism is required to transport threaded pins between various processes.

[0003] However, when grinding and conveying the top of the threaded pin, most of the traditional methods are to place it on the equipment fixture manually, then clamp the fixture, and finally start the grinding equipment to grind. In this way, the reciprocating operation is time-consuming and labor-intensive, and the efficiency is low. At the same time, it is inconvenient to screen and classify threaded pins of different lengths, so that the wrong one may be taken during grinding, which may easily cause placement errors during grinding and affect the grinding quality of the threaded pin. In addition, when grinding threaded pins of different lengths, the fixture needs to be replaced, which is very inconvenient to operate. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a feeding mechanism for machining a precision cylindrical threaded pin.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a feeding mechanism for precision cylindrical threaded pin processing, comprising a support frame, a conveying mechanism is installed on the support frame, a protective mechanism is installed on the conveying mechanism, a loading mechanism is installed on the conveying mechanism, a detection mechanism is installed on the conveying mechanism, a de-ducting mechanism is installed on the conveying mechanism, and a unloading mechanism is installed on the conveying mechanism.

[0006] Specifically, the conveying mechanism includes a conveying plate, the top of the support frame is fixedly connected to the conveying plate, the conveying plate is provided with an elliptical conveying trough, the midline of the conveying plate is rotatably connected to a plurality of equally spaced rollers, a conveyor belt is provided inside the conveying trough, the conveyor belt is connected to a plurality of rollers, the outer side wall of the conveyor belt is provided with a plurality of equally spaced slots, the slots are semicircular structures, a servo motor is detachably connected to the bottom of one end of the conveying plate, the output shaft of the servo motor is connected to one of the rollers, a feed plate is fixedly connected to one end of the conveying plate, and a discharge plate is vertically connected to the side wall of one end of the conveying plate.

[0007] Specifically, the protection mechanism includes a cover plate, and the cover plate is installed on the top of the conveying plate. The cover plate is an elliptical structure, and a through groove is provided on the top of one end of the cover plate, and the through groove is located at the top center of one of the slots.

[0008] Specifically, a conduit is fixedly connected to the top of one end of the cover plate, and a spring clip with a conical structure is installed inside the conduit.

[0009] Specifically, a plurality of equally spaced connection blocks are fixedly connected to the edge of the cover plate, a plurality of equally spaced telescopic cylinders are detachably connected to the side wall of the conveying plate, and the top output shafts of the plurality of telescopic cylinders are respectively connected to the connection blocks.

[0010] Specifically, the feeding mechanism includes a mounting plate, a mounting plate is mounted at the bottom of the conveying plate, a driving cylinder is mounted at the center of the bottom of the mounting plate, and an output shaft at the top of the driving cylinder passes through the mounting plate and extends to the inside of the conveying trough.

[0011] Specifically, the side wall of the conveying plate is slidably connected with a plurality of connecting rods equidistantly distributed in a ring shape, the tops of the plurality of connecting rods are respectively fixedly connected to the bottom of the cover plate, and the bottoms of the plurality of connecting rods are respectively fixedly connected to the top of the mounting plate.

[0012] Specifically, the export mechanism includes a guide groove, a guide groove is provided at the center line of the bottom of the feed plate, the bottom of the guide groove extends to the outside of the bottom of the feed plate, and a baffle is slidably connected to the top side of the feed plate. The baffle is a "7"-shaped structure, one end of the baffle extends into the inside of the guide groove, and one end of the baffle is a semicircular structure. The top of the baffle is flush with the top of the feed plate, and two parallel control cylinders are installed at the bottom of the feed plate, and the output shafts at one end of the two control cylinders are respectively vertically fixedly connected to the bottom of the other end of the baffle.

[0013] Specifically, the detection mechanism includes a fixed plate, a fixed plate is installed at one end of the cover plate, one end of the fixed plate extends to the top of the feed plate, the bottom of one end of the fixed plate is rotatably connected to a pressure plate, a control valve is installed on the top of the fixed plate, connecting pipes are installed at both ends of the control valve, one end of the connecting pipe is connected to the control cylinder, and the bottom of the control valve extends to one side of the pressure plate.

[0014] Specifically, the pressure plate is rotatably connected to one end of the fixed plate through two torsion springs, the angle between the pressure plate and the fixed plate is 45 degrees, and the bottom of the control valve is rotatably connected to a guide wheel, which contacts the pressure plate.

[0015] Specifically, the unloading mechanism includes a movable groove, a movable groove is provided at the center line of the top of the unloading plate, a connecting plate is slidably connected to the movable groove, the connecting plate and the movable groove are both "L"-shaped structures, the connecting plate and one end of the movable groove extend to the outside of the bottom of the unloading plate respectively, the top of the connecting plate is flush with the top of the unloading plate, a push plate is installed on the top of the other end of the connecting plate, the push plate is located at the bottom of the conveyor belt, a contraction cylinder is installed at the bottom of the unloading plate, the output shaft at one end of the contraction cylinder is connected to the bottom of the connecting plate, the push plate is an arc structure, a dust cover is slidably connected to the inside of the movable groove, one end of the dust cover is connected to one side of the movable groove, and the other end of the movable groove is connected to the side wall of the connecting plate.

[0016] The beneficial effects of the present invention are: (1) The feeding mechanism for machining a precision cylindrical threaded pin described in the present invention facilitates the orderly conveyance of the threaded pins through the installation of the conveying mechanism, thereby facilitating the grinding of the top of the threaded pin by the grinding equipment.

[0017] (2) The feeding mechanism for processing a precision cylindrical threaded pin described in the present invention is installed through a protective mechanism, which is beneficial to shielding and protecting the threaded pin during transportation and convenient for conveying threaded pins of different lengths. Through the cooperation of the feeding mechanism, it is beneficial to polish the threaded pin after ejection.

[0018] (3) The feeding mechanism for precision cylindrical threaded pin processing described in the present invention is convenient for detecting threaded pins of different lengths through the installation of a detection mechanism, and the detection mechanism drives the extraction mechanism to extract and recycle the threaded pins that are too long.

[0019] (4) The feeding mechanism for processing a precision cylindrical threaded pin described in the present invention facilitates the orderly feeding and unloading of the threaded pins after grinding through the installation of the unloading mechanism, and facilitates the transportation to other processes for processing, making the operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 A schematic diagram of the overall structure provided by the present invention; Figure 2 It is a schematic diagram of the connection structure between the cover plate and the conveying plate of the present invention; Figure 3 It is a schematic diagram of the connection structure between the conveyor belt and the conveyor plate of the present invention; Figure 4 It is a schematic diagram of the connection structure between the conveyor belt and the roller shaft of the present invention; Figure 5 It is a schematic diagram of the connection structure between the connecting rod and the mounting plate of the present invention; Figure 6It is a schematic diagram of the connection structure between the spring clip and the catheter of the present invention; Figure 7 It is a schematic diagram of the connection structure between the pressing plate and the fixing plate of the present invention; Figure 8 It is a schematic diagram of the connection structure between the torsion spring and the pressure plate of the present invention; Fig. 9 It is a schematic diagram of the connection structure between the baffle plate and the feed plate of the present invention; Fig.10 It is a schematic diagram of the connection structure between the baffle and the control cylinder of the present invention; Fig.11 It is a schematic diagram of the connection structure between the connection plate and the push plate of the present invention.

[0022] In the figure: 1, support frame; 2, conveying mechanism; 201, conveying plate; 202, servo motor; 203, unloading plate; 204, feeding plate; 205, conveyor belt; 206, roller; 207, card slot; 208, conveying slot; 3, protection mechanism; 301, cover plate; 302, connecting block; 303, telescopic cylinder; 304, guide tube; 305, through slot; 306, spring clip; 4, feeding mechanism; 401, driving air Cylinder; 402, mounting plate; 403, connecting rod; 5, detection mechanism; 501, fixing plate; 502, control valve; 503, guide wheel; 504, pressure plate; 505, connecting pipe; 506, torsion spring; 6, lead-out mechanism; 601, baffle; 602, control cylinder; 603, guide groove; 7, unloading mechanism; 701, retraction cylinder; 702, connecting plate; 703, push plate; 704, movable groove; 705, dust cover. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0024] like Figure 1 , Figure 2 and Fig.10 As shown, a feeding mechanism for precision cylindrical threaded pin processing described in the present invention includes a support frame 1, a conveying mechanism 2 is installed on the support frame 1, a protective mechanism 3 is installed on the conveying mechanism 2, a loading mechanism 4 is installed on the conveying mechanism 2, a detection mechanism 5 is installed on the conveying mechanism 2, a lead-out mechanism 6 is installed on the conveying mechanism 2, and a unloading mechanism 7 is installed on the conveying mechanism 2.

[0025] Specifically, Figure 1 , Figure 3 , Figure 4 , Figure 5 , Fig. 9 and Fig.11As shown, the conveying mechanism 2 includes a conveying plate 201, the top of the support frame 1 is fixedly connected with the conveying plate 201, the conveying plate 201 is provided with an elliptical conveying groove 208, the center line of the conveying plate 201 is rotatably connected with a plurality of equally distributed rollers 206, a conveying belt 205 is provided inside the conveying groove 208, the conveying belt 205 is connected with a plurality of rollers 206, the outer side wall of the conveying belt 205 is provided with a plurality of equally distributed slots 207, the slots 207 are semicircular structures, the bottom of one end of the conveying plate 201 is detachably connected with a servo motor 202, the output shaft of the servo motor 202 is connected with one of the rollers 206, one end of the conveying plate 201 is fixedly connected with a feed plate 204, and the side wall of one end of the conveying plate 201 is vertically connected to There is a blanking plate 203. Through the installation of the conveying plate 201, it is convenient to install the multiple rollers 206 and the servo motor 202. Through the opening of the conveying groove 208, it is convenient to install the conveyor belt 205. Through the cooperation of the multiple rollers 206, the conveyor belt 205 is stably connected. Through the rotation of the servo motor 202, the conveyor belt 205 is rotated at a certain angle inside the conveying groove 208. Through the cooperation of the feeding plate 204, the neatly arranged threaded pins are conveniently entered into the card slot 207 in sequence, thereby realizing the orderly transportation of multiple threaded pins, facilitating the subsequent post-ejection grinding work, and the ground threaded pins can be exported through the blanking plate 203, which is convenient for entering other processes for energy-saving processing, and the operation is more convenient and efficient.

[0026] Specifically, Figure 1 , Figure 2 and Figure 5 As shown, the protection mechanism 3 includes a cover plate 301, and the cover plate 301 is installed on the top of the conveying plate 201. The cover plate 301 is an elliptical structure. A through groove 305 is provided on the top of one end of the cover plate 301. The through groove 305 is located at the top center of one of the slots 207. The installation of the cover plate 301 is conducive to shielding and protecting the conveying groove 208, so that debris will not enter when the threaded pin is ground. The opening of the through groove 305 is conducive to grinding the threaded pin.

[0027] Specifically, Figure 1 , Figure 2 and Figure 6 As shown, a conduit 304 is fixedly connected to the top of one end of the cover plate 301, and a spring clamp 306 with a conical structure is installed inside the conduit 304. The installation of the conduit 304 facilitates the smooth export of the threaded pins. The installation of the spring clamp 306 allows threaded pins of different sizes to be clamped stably and not loose when exported, thereby achieving stable grinding work.

[0028] Specifically, Figure 1 , Figure 2and Figure 3 As shown, a plurality of equidistantly distributed connecting blocks 302 are fixedly connected to the edge of the cover plate 301, and a plurality of equidistantly distributed telescopic cylinders 303 are detachably connected to the side wall of the conveying plate 201. The top output shafts of the plurality of telescopic cylinders 303 are respectively connected to the connecting blocks 302. The installation of the connecting blocks 302 facilitates the connection of the top output shafts of the telescopic cylinders 303 with the cover plate 301. The synchronous operation of the plurality of telescopic cylinders 303 allows the height of the cover plate 301 to be controlled, thereby facilitating the conveying and grinding of threaded pins of different lengths.

[0029] Specifically, Figure 1 , Figure 2 and Figure 5 As shown, the feeding mechanism 4 includes a mounting plate 402, and the mounting plate 402 is installed at the bottom of the conveying plate 201. A driving cylinder 401 is installed at the center of the bottom of the mounting plate 402. The top output shaft of the driving cylinder 401 passes through the mounting plate 402 and extends to the inside of the conveying trough 208. The installation of the mounting plate 402 facilitates the installation of the driving cylinder 401. Through the operation of the driving cylinder 401, one of the threaded pins on the conveyor belt 205 is resisted and lifted, so that the threaded pin can be guided out through the conduit 304 for grinding, and then the threaded pin is reset by resetting the driving cylinder 401, which is convenient for subsequent unloading following the conveyor belt 205.

[0030] Specifically, Figure 2 and Figure 5 As shown, the side wall of the conveying plate 201 is slidably connected with a plurality of connecting rods 403 distributed in an annular shape and at equal intervals, the tops of the plurality of connecting rods 403 are respectively fixedly connected to the bottoms of the cover plate 301, and the bottoms of the plurality of connecting rods 403 are respectively fixedly connected to the tops of the mounting plate 402. The mounting plate 402 is connected by installing a plurality of connecting rods 403, and the movement of the cover plate 301 can control the position change of the mounting plate 402, thereby facilitating the position change of the driving cylinder 401, and facilitating the conveying of threaded pins of different lengths. The driving cylinder 401 can well drive the threaded pins to be polished to a certain height.

[0031] Specifically, Figure 1 , Fig. 9 and Fig.10As shown, the guide mechanism 6 includes a guide groove 603, a guide groove 603 is provided at the midline of the bottom of the feed plate 204, the bottom of the guide groove 603 extends to the outside of the bottom of the feed plate 204, the top side of the feed plate 204 is slidably connected with a baffle 601, the baffle 601 is a "7"-shaped structure, one end of the baffle 601 extends to the inside of the guide groove 603, one end of the baffle 601 is a semicircular structure, the top of the baffle 601 is flush with the top of the feed plate 204, and two parallel The control cylinder 602, the output shafts at one end of the two control cylinders 602 are respectively vertically fixedly connected to the bottom of the other end of the baffle 601, and the opening of the guide groove 603 facilitates the extraction and recovery of the threaded pins. The installation of the baffle 601 facilitates the shielding of the guide groove 603, which facilitates the transmission of the threaded pins. The driving control of the two control cylinders 602 realizes the sliding of the baffle 601, facilitates the opening and closing of the guide groove 603, and facilitates the extraction control of threaded pins of different lengths.

[0032] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 As shown, the detection mechanism 5 includes a fixed plate 501, a fixed plate 501 is installed at one end of the cover plate 301, one end of the fixed plate 501 extends to the top of the feed plate 204, and a pressure plate 504 is rotatably connected to the bottom of one end of the fixed plate 501. A control valve 502 is installed on the top of the fixed plate 501, and connecting pipes 505 are installed at both ends of the control valve 502. One end of the connecting pipe 505 is connected to the control cylinder 602, and the bottom of the control valve 502 extends to one side of the pressure plate 504. The installation of the fixed plate 501 facilitates the connection of the pressure plate 504. When the threaded pin is in conflict with the pressure plate 504, the pressure plate 504 is rotated by the conflict, and the pressure plate 504 drives and controls the bottom of the control valve 502, so that the control valve 502 drives and controls the control cylinder 602, and realizes the extraction and recovery of the excessively long threaded pin.

[0033] Specifically, Figure 8 As shown, the pressure plate 504 is rotatably connected to one end of the fixed plate 501 through two torsion springs 506, and the angle between the pressure plate 504 and the fixed plate 501 is 45 degrees. The bottom of the control valve 502 is rotatably connected to a guide wheel 503, and the guide wheel 503 contacts the pressure plate 504. By installing the torsion spring 506, the pressure plate 504 is kept at 45 degrees, which facilitates the driving control of the pressure plate 504 by the overly long threaded pin. By installing the guide wheel 503, the pressure plate 504 is convenient to contact and drive the control valve 502, and the operation is more labor-saving and sensitive.

[0034] Specifically, Figure 2 and Fig.11 As shown, the unloading mechanism 7 includes a movable groove 704, a movable groove 704 is provided at the midline of the top of the unloading plate 203, a connecting plate 702 is slidably connected to the movable groove 704, the connecting plate 702 and the movable groove 704 are both "L"-shaped structures, one end of the connecting plate 702 and the movable groove 704 respectively extend to the outside of the bottom of the unloading plate 203, the top of the connecting plate 702 is flush with the top of the unloading plate 203, a push plate 703 is installed on the top of the other end of the connecting plate 702, the push plate 703 is located at the bottom of the conveyor belt 205, a contraction cylinder 701 is installed at the bottom of the unloading plate 203, the output shaft at one end of the contraction cylinder 701 is connected to the bottom of the connecting plate 702, the push plate 703 is an arc structure, a dust cover 705 is slidably connected to the inside of the movable groove 704, one end of the dust cover 705 is connected to the movable One side of the movable groove 704 is connected, and the other end of the movable groove 704 is connected to the side wall of the connecting plate 702. The opening of the movable groove 704 is conducive to the sliding installation of the connecting plate 702. The installation of the connecting plate 702 is conducive to the connection of the push plate 703. By driving and controlling the contraction cylinder 701, the connecting plate 702 is driven, which is conducive to the push plate 703 pushing the threaded pin on the conveyor belt 205 onto the blanking plate 203. Then the contraction cylinder 701 is reset to reset the push plate 703, which is convenient for pushing out the next threaded pin. And so on, the polished threaded pins are pushed out and unloaded in an orderly manner, which is convenient for entering the next processing step. The installation of the dust cover 705 is conducive to shielding and protecting the movable groove 704 to prevent the connecting plate 702 from sliding and getting stuck.

[0035] When the present invention is in use, firstly, the installation of the conveying plate 201 is facilitated to install the plurality of rollers 206 and the servo motor 202, and the opening of the conveying slot 208 is facilitated to install the conveyor belt 205, and the cooperation of the plurality of rollers 206 makes the conveyor belt 205 stably connected, and the rotation of the servo motor 202 makes the conveyor belt 205 rotate at a certain angle inside the conveying slot 208, and the cooperation of the feed plate 204 facilitates the neatly arranged threaded pins to enter the card slot 207 in sequence, thereby realizing the orderly conveyance of the plurality of threaded pins, facilitating the subsequent post-ejection grinding work, and the ground threaded pins can be exported through the blanking plate 203, which is convenient for entering other processes for energy-saving processing, and the operation is more convenient and efficient, and through the installation of the cover plate 301, It is beneficial to shield and protect the conveying groove 208 so that debris will not enter when the threaded pin is ground. The opening of the through groove 305 is beneficial to the grinding of the threaded pin. The installation of the guide tube 304 is beneficial to the smooth export of the threaded pin. The installation of the spring clip 306 makes the threaded pins of different sizes clamped stably and not loose when exported, so as to achieve stable grinding work. The installation of the connecting block 302 is beneficial to the connection between the top output shaft of the telescopic cylinder 303 and the cover plate 301. Through the synchronous operation of multiple telescopic cylinders 303, the height of the cover plate 301 is controlled, and it is convenient to convey and grind threaded pins of different lengths. The installation of the mounting plate 402 is beneficial to the installation of the driving cylinder 401, and the operation of the driving cylinder 401 can achieve the conveying of the threaded pins. One of the threaded pins on the conveyor belt 205 is pushed up by the friction, so that the threaded pin can be guided out through the conduit 304 for grinding, and then the threaded pin is reset by resetting the driving cylinder 401, which is convenient for the subsequent movement of the conveyor belt 205 to unload materials. The connection to the mounting plate 402 is achieved by installing multiple connecting rods 403, and the movement of the cover plate 301 can control the position change of the mounting plate 402, which is beneficial to the position change of the driving cylinder 401. When conveying threaded pins of different lengths, the driving cylinder 401 can well drive the threaded pin to be pushed out to a certain height for grinding. The opening of the guide groove 603 is conducive to the export and recovery of the threaded pin. The installation of the baffle 601 is conducive to the shielding of the guide groove 603, which is convenient for the threaded pin to It can be conveyed and driven by the two control cylinders 602 to realize the sliding of the baffle 601, which is beneficial to the opening and closing of the guide groove 603, and convenient to realize the export control of threaded pins of different lengths. The installation of the fixed plate 501 is beneficial to the connection of the pressure plate 504. When the threaded pin contacts the pressure plate 504, the pressure plate 504 is rotated by the contact, and the pressure plate 504 drives and controls the bottom of the control valve 502, so that the control valve 502 drives and controls the control cylinder 602, and realizes the export and recovery of the overlong threaded pin. The installation of the torsion spring 506 keeps the pressure plate 504 at 45 degrees, which is convenient for the overlong threaded pin to drive and control the pressure plate 504. The installation of the guide wheel 503 facilitates the contact drive of the pressure plate 504 to the control valve 502, and the operation is more labor-saving and sensitive.The opening of the movable groove 704 facilitates the sliding installation of the connecting plate 702. The installation of the connecting plate 702 facilitates the connection of the push plate 703. The driving control of the contraction cylinder 701 drives the connecting plate 702, which facilitates the push plate 703 to push the threaded pin on the conveyor belt 205 onto the blanking plate 203. Then the contraction cylinder 701 is reset to reset the push plate 703, which facilitates the pushing out of the next threaded pin. By analogy, the polished threaded pins are pushed out in an orderly manner, which facilitates the next processing step. The installation of the dust cover 705 facilitates the shielding and protection of the movable groove 704 to prevent the connecting plate 702 from sliding and getting stuck.

[0036] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A feeding mechanism for machining precision cylindrical threaded pins, characterized in that: The invention comprises a support frame (1), a conveying mechanism (2) being mounted on the support frame (1), a protection mechanism (3) being mounted on the conveying mechanism (2), a loading mechanism (4) being mounted on the conveying mechanism (2), a detection mechanism (5) being mounted on the conveying mechanism (2), a lead-out mechanism (6) being mounted on the conveying mechanism (2), and a unloading mechanism (7) being mounted on the conveying mechanism (2); The conveying mechanism (2) comprises a conveying plate (201), the top of the support frame (1) is fixedly connected to the conveying plate (201), the conveying plate (201) is provided with an elliptical conveying trough (208), the center line of the conveying plate (201) is rotatably connected to a plurality of rollers (206) distributed at equal intervals, a conveying belt (205) is provided inside the conveying trough (208), the conveying belt (205) is connected to the plurality of rollers (206), the outer side wall of the conveying belt (205) is provided with a plurality of slots (207) distributed at equal intervals, the slots (207) are semicircular in structure, a servo motor (202) is detachably connected to the bottom of one end of the conveying plate (201), the output shaft of the servo motor (202) is connected to one of the rollers (206), a feeding plate (204) is fixedly connected to one end of the conveying plate (201), and a discharge plate (203) is vertically connected to the side wall of one end of the conveying plate (201); The feeding mechanism (4) comprises a mounting plate (402), the mounting plate (402) being mounted on the bottom of the conveying plate (201), a driving cylinder (401) being mounted at the center of the bottom of the mounting plate (402), and an output shaft at the top of the driving cylinder (401) passing through the mounting plate (402) and extending into the interior of the conveying trough (208).

2. A feeding mechanism for machining a precision cylindrical threaded pin according to claim 1, characterized in that: The protection mechanism (3) comprises a cover plate (301), the cover plate (301) being installed on the top of the conveying plate (201), the cover plate (301) being an elliptical structure, a through slot (305) being provided on the top of one end of the cover plate (301), the through slot (305) being located at the top centre of one of the clamping slots (207).

3. A feeding mechanism for machining a precision cylindrical threaded pin according to claim 2, characterized in that: A conduit (304) is fixedly connected to the top of one end of the cover plate (301), and a spring clip (306) with a conical structure is installed inside the conduit (304).

4. A feeding mechanism for machining a precision cylindrical threaded pin according to claim 3, characterized in that: A plurality of equally spaced connection blocks (302) are fixedly connected to the edge of the cover plate (301), a plurality of equally spaced telescopic cylinders (303) are detachably connected to the side wall of the conveying plate (201), and the top output shafts of the plurality of telescopic cylinders (303) are respectively connected to the connection blocks (302).

5. The feeding mechanism for machining a precision cylindrical threaded pin according to claim 4, characterized in that: The side wall of the conveying plate (201) is slidably connected to a plurality of connecting rods (403) distributed in an annular shape and at equal intervals, the tops of the plurality of connecting rods (403) are respectively fixedly connected to the bottom of the cover plate (301), and the bottoms of the plurality of connecting rods (403) are respectively fixedly connected to the top of the mounting plate (402).

6. The feeding mechanism for machining a precision cylindrical threaded pin according to claim 2, characterized in that: The guide mechanism (6) comprises a guide groove (603), wherein the guide groove (603) is provided at the midline of the bottom of the feed plate (204), wherein the bottom of the guide groove (603) extends to the outside of the bottom of the feed plate (204), wherein a baffle (601) is slidably connected to the top of the feed plate (204), wherein the baffle (601) is a "7"-shaped structure, wherein one end of the baffle (601) extends to the inside of the guide groove (603), wherein one end of the baffle (601) is a semicircular structure, wherein the top of the baffle (601) is flush with the top of the feed plate (204), and wherein two parallel control cylinders (602) are installed at the bottom of the feed plate (204), wherein the output shafts at one end of the two control cylinders (602) are respectively vertically fixedly connected to the bottom of the other end of the baffle (601).

7. A feeding mechanism for machining a precision cylindrical threaded pin according to claim 6, characterized in that: The detection mechanism (5) comprises a fixed plate (501), one end of the cover plate (301) is mounted with the fixed plate (501), one end of the fixed plate (501) extends to the top of the feed plate (204), the bottom of one end of the fixed plate (501) is rotatably connected to a pressure plate (504), the top of the fixed plate (501) is mounted with a control valve (502), both ends of the control valve (502) are mounted with connecting pipes (505), one end of the connecting pipe (505) is connected to the control cylinder (602), and the bottom of the control valve (502) extends to one side of the pressure plate (504).

8. A feeding mechanism for machining a precision cylindrical threaded pin according to claim 7, characterized in that: The pressure plate (504) is rotatably connected to one end of the fixed plate (501) via two torsion springs (506); the angle between the pressure plate (504) and the fixed plate (501) is 45 degrees; the bottom of the control valve (502) is rotatably connected to a guide wheel (503); the guide wheel (503) contacts the pressure plate (504).

9. The feeding mechanism for machining a precision cylindrical threaded pin according to claim 1, characterized in that: The unloading mechanism (7) comprises a movable groove (704), wherein the movable groove (704) is provided at the center line of the top of the unloading plate (203), and a connecting plate (702) is slidably connected to the movable groove (704), wherein the connecting plate (702) and the movable groove (704) are both "L"-shaped structures, wherein one end of the connecting plate (702) and the movable groove (704) respectively extend to the outside of the bottom of the unloading plate (203), wherein the top of the connecting plate (702) is flush with the top of the unloading plate (203), and a push plate (703) is installed at the top of the other end of the connecting plate (702), wherein the push plate (703) is located at the bottom of the conveyor belt (205), and a contraction cylinder (701) is installed at the bottom of the unloading plate (203), wherein an output shaft at one end of the contraction cylinder (701) is connected to the bottom of the connecting plate (702).

10. A feeding mechanism for machining a precision cylindrical threaded pin according to claim 9, characterized in that: The push plate (703) is an arc-shaped structure, and a dust cover (705) is slidably connected inside the movable groove (704). One end of the dust cover (705) is connected to one side of the movable groove (704), and the other end of the movable groove (704) is connected to the side wall of the connecting plate (702).

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