Automatic discharging and arranging device of cylindrical grinding machine

Abstract

The utility model relates to the technical field of shaft washer machining, in particular to an automatic discharging and arranging device of a cylindrical grinding machine, which comprises a conveying mechanism, a reversing mechanism, a feeding mechanism and a discharging mechanism. The reversing mechanism is used for connecting an outlet of the conveying mechanism and an inlet of the arranging mechanism and reversing the shaft washer products to enable the shaft washer products to be in a vertical state; and the material arranging mechanism is used for being connected with an outlet of the reversing mechanism and arranging the shaft washer products in order, and the technical problems that in the prior art, blanking, reversing, material arranging and discharging cannot be considered at the same time when discharging is conducted after shaft washers are machined through a cylindrical grinding machine, and the application range of products of different sizes is narrow are solved.

Description

Technical Field

[0001] This utility model relates to the field of shaft and ring processing technology, and in particular to an automatic feeding device for an external cylindrical grinding machine. Background Technology

[0002] The descriptions in this section are provided only as background information relating to this disclosure and do not constitute prior art.

[0003] In the machining process of cylindrical shaft rings, an external cylindrical grinding machine is required for processing. After machining, the shaft ring needs to be rotated to a vertical position to facilitate its entry into the next process when it is output horizontally from the external cylindrical grinding machine. In the existing technology, the shaft ring products are output from the external cylindrical grinding machine in a planar sliding manner. After sliding horizontally, manual assistance is required to catch the material at any time. The catching cycle is 3 seconds, which means that at least one worker is required to catch the material at the output position, which is labor-intensive and has low material unloading efficiency.

[0004] The prior art discloses a feeding structure for an internal groove grinding machine, as detailed in the utility model patent CN217619917U. This structure includes a first conveyor section, a second conveyor section, and an intermediate conveyor section. The first conveyor section includes an inlet end of a feeding conveyor belt, on which bearings are horizontally placed for transport. The second conveyor section includes an outlet end of a feeding conveyor belt, on which bearings are vertically placed for transport. The intermediate conveyor section is vertically connected at one end to the first conveyor section and at the other end to the second conveyor section. A bearing reversing structure is provided at the corner connecting the first and intermediate conveyor sections, and a bearing straightening structure is provided at the connection between the intermediate and second conveyor sections. These bearing reversing and straightening structures allow the processed bearings to be transported from a horizontal to a vertical position, preparing them for subsequent processes. However, the aforementioned technical solutions and related technologies still have several problems, such as: ① They are not applicable to products of different sizes, resulting in a narrow range of application; ② Manual handling at the discharge port is still required for real-time material receiving, leading to a fast cycle time and high labor costs; ③ They lack the function of post-discharge material handling and temporary storage, resulting in lower discharge efficiency. Utility Model Content

[0005] The purpose of this utility model is to provide an automatic feeding device for external cylindrical grinding machines, which solves the technical problems of existing external cylindrical grinding machines that cannot simultaneously handle feeding, reversing, feeding, and discharging after machining shaft rings, and have a narrow range of applicability to products of different sizes.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An automatic feeding device for an external cylindrical grinding machine includes:

[0008] The conveying mechanism is used to connect the grinding machine exit of the previous process and the inlet of the reversing mechanism to horizontally convey the shaft ring products.

[0009] The reversing mechanism is used to connect the outlet of the conveying mechanism and the inlet of the material handling mechanism, and to reverse the direction of the shaft ring products to make them reach a vertical state.

[0010] The feeding mechanism is used to connect to the outlet of the reversing mechanism and to arrange the shaft ring products in an orderly manner.

[0011] Furthermore, the conveying mechanism includes a frame on which a conveyor belt and a discharge guide are mounted. The conveyor belt is used to convey horizontal shaft ring products, and the discharge guide is used to guide the shaft ring products on the conveyor belt to change their movement path to the inlet of the reversing mechanism.

[0012] Furthermore, the discharge guide includes a guide plate installed at the end of the conveyor belt at an angle α to the running direction of the conveyor belt. The two ends of the guide plate are respectively mounted on the frame via a first guide adjusting rod and a second guide adjusting rod. One end of the first guide adjusting rod is rotatably connected to one end of the guide plate, and the other end of the first guide adjusting rod is rotatably connected to the frame and its position is adjustable. One end of the second guide adjusting rod is rotatably connected to the other end of the guide plate, and the other end of the second guide adjusting rod is rotatably connected to the frame and its position is adjustable.

[0013] Furthermore, the reversing mechanism includes a reversing guide and an inclined reversing channel. The reversing guide is located on one side of the conveyor belt end and on one side of the guide plate outlet. The reversing guide is used to receive the shaft ring products output by the combined action of the conveyor belt and the guide plate and change them from a horizontal state to a vertical state. The reversing channel is used to receive the shaft ring products in the vertical state and guide them to the inlet of the material handling mechanism.

[0014] Furthermore, the reversing guide is configured as an upwardly arched arc structure, the highest point of which is lower than the height of the conveyor belt with a height difference of ΔH, and the lowest point of which is located above the highest point of the reversing channel.

[0015] Furthermore, a reversing counter and a reversing stop are installed on the reversing material channel. The reversing counter is used to count the shaft ring products passing through the reversing material channel, and the reversing stop is used to block and release the shaft ring products in the reversing material channel.

[0016] Furthermore, the material handling mechanism includes a storage platform. A fixed baffle, a top baffle, and an end baffle perpendicular to the fixed baffle are installed on one side of the storage platform. The gap formed between the fixed baffle, the top baffle, and the end baffle is used to limit the shaft ring product led out by the reversing mechanism. A pushing component is provided at the bottom of the fixed baffle and the top baffle. The pushing component includes a power push block that slides relative to the upper surface of the storage platform. The power push block is used to support the shaft ring product entering between the fixed baffle and the top baffle. The power push block is pulled away from the bottom of the fixed baffle and the top baffle to allow the shaft ring product to fall onto the storage platform. The power push block extends to push the shaft ring product on the storage platform, so that the shaft ring product moves away from the power push block while closely adhering to the passive baffle.

[0017] Furthermore, the pushing component also includes a power unit that is fixedly installed relative to the storage platform. The power end of the power unit is fixedly installed relative to the power push block. The passive stop block is placed on the storage platform and is not connected to it, so that the passive stop block can move relative to the storage platform to block and limit the shaft ring product.

[0018] Furthermore, a discharge counter is provided between the fixed baffle and the top baffle.

[0019] Furthermore, the position of the top baffle on the storage platform is adjustable both horizontally and vertically, and the side baffles on both sides of the conveyor belt are adjustable in position along the vertical conveying direction. The reversing channel includes a fixed baffle plate that is fixedly installed relative to the storage platform or frame. A movable baffle plate with an adjustable distance from the fixed baffle plate is installed on the fixed baffle plate through an adjusting bracket. The adjusting bracket is provided with an elongated hole for the adjusting screw to pass through. The adjusting bracket is fixedly installed with the movable baffle plate, and the adjusting screw is connected to the fixed baffle plate through a nut after passing through the elongated hole on the adjusting bracket.

[0020] Compared with the prior art, the technical solution of this utility model has the following beneficial effects:

[0021] (1) By setting up a conveying mechanism, a reversing mechanism and a material handling mechanism, this utility model conveys, reverses and arranges the products of the previous process to make them regularly arranged, thereby effectively connecting the grinding machine of the previous process and the next process, and changing the horizontal shaft ring products to the vertical state. It realizes the reversing operation and also achieves the purpose of automation. The shaft ring products after reversing are arranged and stored, reducing the material picking cycle of the staff, saving human resources and labor intensity, and improving the material output efficiency.

[0022] (2) By setting up a discharge guide part, and with the help of the first guide adjustment rod and the second guide adjustment rod, this utility model can achieve guidance while also adjusting the guide angle as needed, making it suitable for shaft ring products of different sizes and improving its applicability;

[0023] (3) By setting up a reversing mechanism and using the reversing guide, this utility model can guide the shaft ring product falling in a horizontal state to change it into a vertical state. With the help of the reversing material channel and the use of an adjustable spacing structure, the spacing can be adjusted according to the needs to suit shaft ring products of different sizes, thus improving the applicability of the equipment.

[0024] (4) By setting a reversing counter and a reversing stop, this utility model can count the number of shaft ring products passing through the reversing material channel. With the help of the reversing stop, the shaft ring products in the reversing material channel can be blocked as needed to adapt to different operating conditions. When the shaft ring products at the material handling mechanism reach the full amount, the reversing stop can block the product.

[0025] (5) By setting up a material handling mechanism, this utility model pushes the shaft ring products in the gap between the fixed baffle, the top baffle and the end baffle to the storage platform with the help of the pushing component. At the same time, combined with the storage technology, it realizes automatic material handling and storage of the shaft ring products flowing out of the reversing mechanism, which greatly slows down the material receiving rhythm of the workers. Attached Figure Description

[0026] Figure 1 This is a top view of the structure of this utility model;

[0027] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0028] Figure 3 This is a three-dimensional structural diagram of the conveying mechanism of this utility model;

[0029] Figure 4 This is a top view of the conveying mechanism of this utility model.

[0030] Figure 5 This is a three-dimensional structural diagram of the reversing mechanism of this utility model;

[0031] Figure 6 This is a schematic diagram of the main structure of the reversing mechanism of this utility model;

[0032] Figure 7 This is a three-dimensional structural diagram of the material handling mechanism of this utility model;

[0033] Figure 8 This is a three-dimensional structural schematic diagram of the material handling mechanism of this utility model from another perspective;

[0034] Figure 9 This is a top view of the material handling mechanism of this utility model.

[0035] Figure 10 for Figure 9Schematic diagram of the cross-sectional structure at point AA;

[0036] Figure 11 for Figure 10 A partially enlarged structural diagram of the feeding state at point B;

[0037] Figure 12 for Figure 10 A magnified schematic diagram of the material feeding process at point B;

[0038] Figure 13 Figure 10 A magnified schematic diagram of the material pushing state at point B.

[0039] In the diagram: 100, conveying mechanism; 101, frame; 102, conveyor belt; 103, discharge guide; 1031, guide plate; 1032, first guide adjusting rod; 1033, second guide adjusting rod.

[0040] 200. Reversing mechanism; 201. Reversing guide; 202. Reversing counter; 203. Reversing feed channel; 2031. Moving baffle; 2032. Fixed baffle; 2033. Adjusting bracket; 204. Reversing baffle.

[0041] 300. Material handling mechanism; 301. Material storage platform; 302. Discharge counter; 303. Fixed baffle; 304. Power connection plate; 305. Top baffle; 306. Power push block; 307. Passive stop block; 308. End baffle; 309. Power unit; 310. Shaft ring product. Detailed Implementation

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0043] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent.

[0044] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of this application. The singular forms “a,” “described,” and “…” used in the embodiments of this application and the appended claims are also considered.

[0045] The word "the" is also intended to include the majority form unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0046] In the following description, when referring to the accompanying drawings, the same numbers in different drawings denote the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0047] In the description of this application, it should be understood that the terms "first," "second," "third," etc., are used only to distinguish similar objects and are not necessarily used to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0048] Furthermore, in the description of this application, unless otherwise stated, "multiple" means two or more. "And / or"

[0049] The description of the relationship between associated objects indicates that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. The character " / " generally indicates that the preceding and following associated objects have an "OR" relationship. The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0050] To address the limitations of existing technologies, this embodiment provides a technical solution. The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0051] This utility model mainly addresses the current situation in related technologies where the horizontal shaft ring product 310 used for feeding material to a cylindrical grinding machine cannot effectively reverse direction, and the reversing conveying efficiency is low, the material picking cycle is fast, resulting in a shortage of human resources and high labor intensity. Moreover, in the prior art, after the shaft ring product 310 is discharged from the grinding machine, it needs to be manually picked up and stored in real time at a cycle of 3 seconds. This application, through the design of an automated structure, extends the cycle to 20 minutes, which greatly extends the interval time of the operator's work, and thus eliminates the need for the operator to cancel in real time, which is beneficial for the operator to perform other tasks.

[0052] See appendix Figure 1 and attached Figure 2An automatic unloading and feeding device for an external cylindrical grinding machine includes: a conveying mechanism 100, which connects to the outlet of the previous grinding machine and the inlet of a reversing mechanism 200 to horizontally convey shaft ring products 310; a reversing mechanism 200, which connects to the outlet of the conveying mechanism 100 and the inlet of a feeding mechanism 300 to reverse the direction of the shaft ring products 310 to achieve a vertical state; and a feeding mechanism 300, which connects to the outlet of the reversing mechanism 200 and arranges the shaft ring products 310 in an orderly manner. It can be understood that the horizontal shaft ring products 310, after being output from the previous grinding machine, enter the reversing mechanism 200 along the conveying mechanism 100 to be reversed to a vertical state, and then enter the feeding mechanism 300 for arrangement and storage. See the following for the specific structure.

[0053] See appendix Figure 3 and attached Figure 4 The conveying mechanism 100 includes a frame 101 on which a rotating conveyor belt 102 and a discharge guide 103 located at the output end of the conveyor belt 102 are mounted. The conveyor belt 102 is used to convey horizontal shaft ring products 310. The discharge guide 103 is used to guide the shaft ring products 310 on the conveyor belt 102 to change their movement path to the inlet of the reversing mechanism 200. It can be understood that after the horizontal shaft ring products 310 run along the conveyor belt 102 and touch the discharge guide 103, the conveyor belt 102 is in a forward conveying state. Therefore, under the combined action of the conveyor belt 102 and the discharge guide 103, the shaft ring products 310 slide down the outlet of the conveyor belt 102 and the discharge guide 103 to the reversing mechanism 200. The conveyor belt 102 has adjustable side baffles on both sides, which are perpendicular to the conveying direction. The side baffles are adjustable in position relative to the bottom frame 101 via brackets. The adjustment direction is perpendicular to the running direction of the conveyor belt 102, and the adjustment is made to the distance between the side baffles on both sides of the conveyor belt 102. This adjustment is mainly for shaft ring products 310 with different diameters. The discharge guide 103 includes a guide plate 1031 installed at the end of the conveyor belt 102 and forming an angle α with the running direction of the conveyor belt 102. Here, 5° < α < 75°, preferably 45°. The two ends of the guide plate 1031 are respectively connected by a first guide adjustment rod 10. The first guide adjustment rod 1032 and the second guide adjustment rod 1033 are mounted on the frame 101. One end of the first guide adjustment rod 1032 is rotatably connected to one end of the guide plate 1031, and the other end of the first guide adjustment rod 1032 is rotatably and positionably connected to the frame 101. One end of the second guide adjustment rod 1033 is rotatably connected to the other end of the guide plate 1031, and the other end of the second guide adjustment rod 1033 is rotatably and positionably connected to the frame 101. The purpose of setting the first guide adjustment rod 1032 and the second guide adjustment rod 1033 here is to adjust the tilt angle and the size of α of the guide plate 1031 so as to facilitate better operation of the equipment.

[0054] See appendix Figure 5 and attached Figure 6 The reversing mechanism 200 includes a reversing guide section 201 and an inclined reversing channel 203. The reversing guide section 201 is located on the side of the conveying end of the conveyor belt 102 and on the side of the guide outlet of the guide plate 1031. Here, the guide outlet can be understood as the outlet formed between the guide plate 1031 and the side baffles on both sides of the conveyor belt 102. The reversing guide section 201 is used to receive the shaft ring product 310 output by the combined action of the conveyor belt 102 and the guide plate 1031 and change it from a horizontal state to a vertical state. The reversing channel 203 is used to receive the shaft ring product 310 in the vertical state and guide it to the inlet of the material handling mechanism 300. Specifically, the reversing guide 201 is configured as an upwardly arched arc structure. The highest point of the arc structure is lower than the height of the conveyor belt 102 and the height difference is ΔH, where 5mm < ΔH < 15mm. The lowest point of the arc structure is located above the highest point of the reversing channel 203. Alternatively, to better facilitate the falling of the shaft ring product 310 on the conveyor belt 102 into the reversing guide 201, a transition plate can be provided between the reversing guide 201 and the conveyor belt 102. The transition plate is fixedly installed relative to the frame 101 and is lower than the height of the conveyor belt 102 but higher than the height of the reversing guide 201. Alternatively, it can be configured as an inclined surface. A reversing counter 202 and a reversing stop 204 are installed on the reversing material channel 203. The reversing counter 202 is used to count the shaft ring products 310 passing through the reversing material channel 203. The reversing counter 202 can be a lever counter. The reversing stop 204 is used to block and release the shaft ring products 310 in the reversing material channel 203. Specifically, the reversing material channel 203 includes a fixed stop plate 2032 that is fixedly installed relative to the storage platform 301 or the frame 101. A movable stop plate 2031 with an adjustable distance is installed on the fixed stop plate 2032 through an adjusting bracket 2033. The adjusting bracket 2033 is provided with an elongated hole for the adjusting screw to pass through. The adjusting bracket 2033 is fixedly installed with the movable stop plate 2031. After the adjusting screw passes through the elongated hole on the adjusting bracket 2033, it is connected to the fixed stop plate 2032 through a nut. The reversing baffle 204 is equipped with a cylinder or motor that is fixedly installed relative to the reversing material channel 203. When the power end of the cylinder or motor extends or retracts, it can penetrate into the reversing material channel 203 or retract to block or release the shaft ring product 310 in the reversing material channel 203. The position of the reversing baffle 204 on the reversing material channel 203 can also be adjusted.

[0055] See appendix Figure 7-13The material handling mechanism 300 includes a storage platform 301. A fixed baffle 303, a top baffle 305, and an end baffle 308 perpendicular to the fixed baffle 303 are installed on one side of the storage platform 301. The gap formed between the fixed baffle 303, the top baffle 305, and the end baffle 308 is used to limit the shaft ring product 310 led out by the reversing mechanism 200. It can be understood that the fixed baffle 303 and the top baffle 305 are in a parallel state, and the end baffle 308 is used to block the space between them. The position of the top baffle 305 on the storage platform 301 is adjustable in both horizontal and vertical directions. The adjustment principle is that the top baffle 305 is installed on the storage platform 301 through a connecting bracket. There are multiple connecting brackets on the storage platform 301, and one of them can be selected for installation according to the requirements. Under normal conditions, the height of the top baffle 305 is higher than the height of the fixed baffle 303. A pushing assembly is provided at the bottom of the fixed baffle 303 and the top baffle 305. The pushing assembly includes a power push block 306 that is slidably disposed relative to the upper surface of the storage platform 301. The power push block 306 is used to support the shaft ring product 310 that enters between the fixed baffle 303 and the top baffle 305. When the power push block 306 is pulled away from the bottom of the fixed baffle 303 and the top baffle 305, the shaft ring product 310 falls onto the storage platform 301. The power push block 306 extends to push the shaft ring product 310 on the storage platform 301, so that the shaft ring product 310 moves away from the power push block 306 while closely adhering to the passive baffle 307. The pushing assembly also includes a power unit 309 fixedly installed relative to the storage platform 301. The power end of the power unit 309 is fixedly installed to the power push block 306 via a power connection plate 304. A passive stop block 307 is placed on the storage platform 301 but is not connected to it, so that the passive stop block 307 can move relative to the storage platform 301 to block and limit the shaft ring product 310. It can be understood that both the fixed baffle 303 and the top baffle 305 are provided with clearance grooves for the power push block 306 to pass through. Moreover, the clearance groove under the top baffle 305 is higher, so that the shaft ring product 310 can pass through when the power push block 306 retracts and pushes the shaft ring product 310. A discharge counter 302 is provided between the fixed baffle 303 and the top baffle 305. The discharge counter 302 can be a lever counter or other types.

[0056] In use, the automatic unloading feeder for cylindrical grinding machines disclosed in this utility model transports the horizontal shaft ring product 310 forward along the conveyor belt 102 after being output from the previous grinding machine. When the shaft ring product 310 touches the guide plate 1031, under the continuous conveying force of the conveyor belt 102, the shaft ring product 310 moves along the guide plate 1031 to the reversing guide section 201 and slides down along the reversing guide plate 1031 into a vertical state. Then, the shaft ring product 310 rolls down along the inclined reversing feed channel 203 into the gap between the fixed baffle 303 and the top baffle 305 of the feeder mechanism 300. At this time, the power pusher 306 of the pushing component is located directly below the gap between the fixed baffle 303 and the top baffle 305 until the shaft ring product 310 fills the fixed baffle 303 and the top baffle 305. When the gap between the baffles 305 is filled, the power unit 309 of the power push block 306 is activated, causing the power push block 306 to retract and the shaft ring product 310 in the gap to fall onto the storage platform 301 under the action of gravity. Then, under the action of the power unit 309, the power push block 306 applies a pushing force to the shaft ring product 310, pushing it to the other side away from the gap between the top baffle 305 and the fixed baffle 303 and away from the power push block 306. Then, the power push block 306 retracts to directly below the gap and continues to receive the next row of shaft ring products 310. When each row of shaft ring products 310 is pushed by the power push block 306, it will exert force on the passive stop block 307. The passive stop block 307 is used to temporarily limit the shaft ring products 310 located on the storage platform 301. This process is repeated to achieve automated material handling and storage. Throughout the process, the reversing counter 202 of the reversing material channel 203 and the discharge counter 302 of the material handling platform both count the passing shaft products 310 in real time to achieve monitoring of the entire process.

[0057] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0058] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic feeding device for an external cylindrical grinding machine, characterized in that, The application relates to a shaft ring product conveying device, which comprises the following parts: a conveying mechanism (100) for connecting the outlet of a previous process grinding machine and the inlet of a reversing mechanism (200) and horizontally conveying shaft ring products (310); the reversing mechanism (200) for connecting the outlet of the conveying mechanism (100) and the inlet of a material arranging mechanism (300) and reversing the shaft ring products (310) to make them reach a vertical state; the material arranging mechanism (300) for connecting the outlet of the reversing mechanism (200) and orderly arranging the shaft ring products (310).

2. The automatic feeding device of an external cylindrical grinder according to claim 1, wherein The conveying mechanism (100) comprises a rack (101) on which a conveying belt (102) and a discharging guide part (103) are arranged, the conveying belt (102) is used for conveying the shaft ring products (310) in a horizontal state, and the discharging guide part (103) is used for guiding the shaft ring products (310) on the conveying belt (102) to change the movement route to the inlet of the reversing mechanism (200).

3. The automatic feeding device of an external cylindrical grinder according to claim 2, wherein The discharging guide part (103) comprises a guide plate (1031) which is arranged at the end of the conveying belt (102) and forms an angle alpha with the running direction of the conveying belt (102), the two ends of the guide plate (1031) are respectively arranged on the rack (101) through a first guide adjusting rod (1032) and a second guide adjusting rod (1033), one end of the first guide adjusting rod (1032) is rotationally connected with one end of the guide plate (1031), the other end of the first guide adjusting rod (1032) is rotationally and position-adjustably connected with the rack (101), one end of the second guide adjusting rod (1033) is rotationally connected with the other end of the guide plate (1031), and the other end of the second guide adjusting rod (1033) is rotationally and position-adjustably connected with the rack (101).

4. The automatic feeding device of an external cylindrical grinder according to claim 1, wherein The reversing mechanism (200) comprises a reversing guide part (201) and an inclined reversing material channel (203), the reversing guide part (201) is arranged on the side of the conveying end of the conveying belt (102) and on the side of the guide outlet of the guide plate (1031), the reversing guide part (201) is used for receiving the shaft ring products (310) output by the joint action of the conveying belt (102) and the guide plate (1031) and converting the shaft ring products (310) from a horizontal state to a vertical state, and the reversing material channel (203) is used for receiving the shaft ring products (310) in a vertical state and guiding them to the inlet of the material arranging mechanism (300).

5. The automatic feeding device of an external cylindrical grinder according to claim 4, wherein The reversing guide part (201) is arranged as an upwardly arched arc surface structure, the highest point of the arc surface structure is lower than the height of the conveying belt (102) and the height difference is delta H, and the lowest point of the arc surface structure is located above the highest point of the reversing material channel (203).

6. The automatic feeding device of an external cylindrical grinder according to claim 5, wherein The reversing material channel (203) is provided with a reversing counter (202) and a reversing material blocking part (204), the reversing counter (202) is used for counting the shaft ring products (310) passing through the reversing material channel (203), and the reversing material blocking part (204) is used for realizing the blocking and releasing actions of the shaft ring products (310) in the reversing material channel (203).

7. The automatic feeding device of an external cylindrical grinder according to claim 1, wherein The material sorting mechanism (300) comprises a storage platform (301), one side of which is provided with a fixed baffle (303) and a top baffle (305) and an end baffle (308) perpendicular to the fixed baffle (303), and the gap between the fixed baffle (303), the top baffle (305) and the end baffle (308) is used for limiting the shaft ring product (310) guided by the reversing mechanism (200), the bottom of the fixed baffle (303) and the top baffle (305) is provided with a pushing assembly, the pushing assembly comprises a power pushing block (306) which is relatively slidably arranged on the upper surface of the storage platform (301), the power pushing block (306) is used for supporting the shaft ring product (310) entering between the fixed baffle (303) and the top baffle (305), and the power pushing block (306) is withdrawn from the bottom of the fixed baffle (303) and the top baffle (305) to realize the falling of the shaft ring product (310) onto the storage platform (301), the power pushing block (306) is extended to push the shaft ring product (310) on the storage platform (301) to move away from the power pushing block (306) and abut against the passive stop block (307).

8. The automatic feeding device of an external cylindrical grinder according to claim 7, wherein The pushing assembly further comprises a power part (309) fixedly installed opposite to the storage platform (301), the power end of the power part (309) is fixedly installed opposite to the power pushing block (306), and the passive stop block (307) is placed on the storage platform (301) without connection relationship, so that the passive stop block (307) moves relative to the storage platform (301) to realize the blocking and limiting of the shaft ring product (310).

9. The automatic feeding device of an external cylindrical grinder according to claim 8, wherein The fixed baffle (303) and the top baffle (305) are provided with an outlet counter (302), and the position of the top baffle (305) on the storage platform (301) is adjustable in horizontal and vertical directions.

10. The automatic feeding device of an external cylindrical grinder according to claim 4, wherein The conveying belt (102) is provided with side baffles adjustable in the vertical conveying direction on both sides, the reversing channel (203) comprises a fixed blocking plate (2032) fixedly installed opposite to the storage platform (301) or the rack (101), the fixed blocking plate (2032) is provided with a movable blocking plate (2031) adjustable in distance therefrom through an adjusting support (2033), the adjusting support (2033) is provided with a long slot for the adjusting screw to pass through, the adjusting support (2033) is fixedly installed with the movable blocking plate (2031), and the adjusting screw passes through the long slot of the adjusting support (2033) and is connected with the fixed blocking plate (2032) through a nut.

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