Automatic feeding and discharging device for reducing machine

Abstract

The present application relates to a kind of automatic feeding and discharging devices for reducing machine, and it relates to the technical field of metal processing auxiliary equipment.The reducing machine is configured with a feeding assembly at one end, and the feeding assembly is integrated with a feeding assembly on it.The feeding assembly is matched with a feeding seat for stacking workpieces on the side of the feeding assembly.The feeding assembly is built-in with a discharging groove, and the discharging groove is hinged with a reversible flap near the discharging end of the reducing machine.The flap is driven to rotate by the control assembly below to open and close, realizing automatic discharging of workpieces.Through the linkage of the feeding seat, the feeding assembly, the feeding assembly and the control assembly, automatic storage, distribution, feeding, feeding and discharging operations of metal column workpieces are realized, replacing manual feeding and discharging;Single workpiece conveying is realized by using L-shaped rotary seat, eliminating multi-material jamming failure, and cooperating with arc slope to prevent workpiece stacking and falling.The overall structure has strong linkage, greatly reduces equipment downtime, improves reducing processing efficiency and workpiece forming consistency, and is suitable for automatic reducing processing of various columnar metal workpieces.

Description

Technical Field

[0001] This invention relates to the field of metal processing auxiliary equipment technology, and more particularly to an automatic loading and unloading device for a diameter reduction machine. Background Technology

[0002] In the machining industry of mechanical parts, metal columnar workpieces often require a diameter reduction machine to thin the outer diameter at the ends. These workpieces are generally characterized by their large weight, high hardness, and uniform length specifications, making this a fundamental machining process for shafts and connecting parts. Currently, the traditional diameter reduction machines used by small and medium-sized machining enterprises in China rely entirely on manual labor for loading and unloading, resulting in extremely low automation levels across the entire production line. This exposes multiple unavoidable defects during actual mass production. Furthermore, existing automated loading and unloading equipment on the market also suffers from structural design flaws and cannot meet the demands of stable and continuous machining of large batches of metal columns.

[0003] From a manual operation perspective, there are significant safety hazards. A single metal column to be processed typically weighs several kilograms to tens of kilograms. Workers need to manually move, lift, and align it with the feed inlet of the reducing machine. Prolonged, high-intensity handling can easily cause lumbar muscle strain and joint injuries. During the pushing process, the metal column is prone to slipping and tipping, posing a significant risk of hand and leg injuries. Secondly, the manual loading and unloading method severely restricts production efficiency. Only one metal column can be transferred and aligned manually at a time, and the loading and unloading cycle cannot match the reducing machine's processing cycle. After processing, the machine must be stopped to wait for workers to load and unload, wasting a large amount of effective processing time.

[0004] To address the numerous drawbacks of manual operation, the industry has successively introduced automatic loading and unloading devices for use with diameter reduction machines. However, existing equipment still has significant technical shortcomings and cannot completely solve the industry's pain points. Firstly, the existing material storage and distribution structure cannot accurately separate individual metal columns. The metal columns are mostly stacked haphazardly, and when the equipment's material feeding mechanism pushes them, two or more workpieces are prone to rolling down simultaneously or the workpieces shifting laterally and tilting. When multiple workpieces get stuck in the feeding channel, they can directly jam the feeding mechanism. This can lead to machine downtime for cleaning and production delays, or even damage to core precision components such as the diameter reduction machine's sleeves and molds, significantly increasing equipment maintenance costs. Secondly, the existing loading and unloading devices have flawed process layout logic. The feeding and processing processes are sequential. During the diameter reduction process of the workpiece, the loading mechanism cannot simultaneously complete the storage and distribution operations. It must wait for the current workpiece to be processed and unloaded before starting a new round of loading. This results in a large amount of idle waiting time and low production efficiency.

[0005] In summary, there is an urgent need for an automatic loading and unloading device for a diameter reduction machine to solve the above problems. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides an automatic loading and unloading device for a diameter reduction machine, which solves the technical problems of low loading and unloading efficiency, unstable material distribution, inability to perform parallel processes, and difficulty in adapting to the scenario of large-volume continuous diameter reduction processing of metal columns in existing diameter reduction machines.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an automatic loading and unloading device for a reducing machine, comprising a reducing machine, a feeding component at one end of the reducing machine, a loading component on the feeding component, a feeding seat on the side of the loading component away from the feeding component; a discharge chute on the feeding component, a movable plate at the end of the discharge chute near the reducing machine, a control component fixedly connected to one side of the movable plate, and the movable plate rotating under the control of the control component.

[0008] The reducing machine includes a reducing machine body, a mold is provided at one end of the reducing machine body near the feeding assembly, a sleeve is provided at the end of the mold away from the reducing machine body, and a pressure cap is fitted onto the sleeve away from the mold.

[0009] A clamping assembly is provided between the reducing machine and the feeding assembly. The clamping assembly includes a clamp, which is fixedly installed at one end of the clamping assembly near the feeding assembly. A driving component is fixedly connected to the top of the clamp. A top plate is fixedly installed between the driving component and the clamp. A fixed seat is provided between the top plate and the driving component. A base is connected to the bottom of the top plate.

[0010] The feeding seat is fixedly installed on a horizontal ground. The feeding seat includes a fixed platform. The top of the fixed platform is provided with an inclined surface that slopes downwards. The bottom of the inclined surface corresponds to the feeding component.

[0011] The feeding assembly includes a feeding trough, a support frame is fixedly installed at the bottom of the feeding trough, a fixed plate is fixedly installed at the end of the support frame away from the reducing machine, and a telescopic rod is fixedly installed on the fixed plate, the telescopic rod being disposed inside the feeding trough.

[0012] The top of the support frame is provided with a first support plate, and the material feeding trough is fixedly installed on the first support plate.

[0013] The feeding assembly includes a mounting plate, which is fixedly mounted on one end of the support frame near the feeding seat. A rotating shaft is rotatably mounted on the mounting plate, and a motor is connected to one end of the rotating shaft. The operation of the motor drives the rotating shaft to rotate. Several rotating seats are fixedly mounted on the rotating shaft, and a stop is provided at the bottom of the rotating seat. When the rotating seat rotates, the stop can block the metal column on the inclined surface to prevent the metal column from falling.

[0014] The control component is located below the movable plate. The control component includes a cylinder, the output end of which is connected to a connecting rod. The end of the connecting rod away from the cylinder is connected to the movable plate. A second support plate is fixedly installed at the bottom of the cylinder and is fixedly installed on the support frame.

[0015] The rotating seat is configured in an "L" shape, including a support rod and a bending angle. The support rod is located on the long side of the "L" shaped structure, and the bending angle is located at the bend of the "L" shaped structure. This facilitates the placement of a single metal column, ensures the accuracy of the number of materials fed at one time, and avoids malfunctions caused by multiple workpieces getting stuck in the feeding channel.

[0016] In a preferred embodiment of the present invention, the distance between the rotating shaft and the feeding trough is the same as the length of the connecting rod.

[0017] In a preferred embodiment of the present invention, a partition groove is provided between the movable plate and the feeding trough to prevent the movable plate from colliding or rubbing against the feeding trough during rotation.

[0018] In a preferred embodiment of the present invention, a push plate is fixedly installed at the end of the telescopic rod away from the fixed plate, and the push plate is correspondingly arranged with the material discharge chute.

[0019] In a preferred embodiment of the present invention, a stop is installed on the top of the end of the discharge trough away from the feeding assembly to ensure that the metal column slides down into the discharge trough when it slides down the rotating seat.

[0020] In a preferred embodiment of the present invention, a hinge is provided between the movable plate and the first support plate, and the movable plate rotates about the top of the placement groove as an axis.

[0021] In a preferred embodiment of the present invention, the inclined surface is configured as an arc shape, and the arc-shaped inclined surface protrudes outward.

[0022] In a preferred embodiment of the present invention, a baffle is fixedly installed on the side wall of the fixed platform. The baffle can block the metal column above the inclined plane to prevent it from tipping over and causing injury to surrounding equipment or workers.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects: 1. This invention discloses an automatic loading and unloading device for a reducing machine. A feeding component is installed at one end of the reducing machine, and a loading component is mounted on the feeding component. A loading seat is located on the side of the loading component away from the feeding component. Through the cooperation of the loading component, feeding component, and loading seat, fully automatic loading of metal columns can be achieved. A discharge chute is provided on the feeding component, and a movable plate is located at the end of the discharge chute near the reducing machine. A control component is fixedly connected to one side of the movable plate. The movable plate rotates under the control of the control component, achieving fully automatic unloading of the metal columns. This realizes fully automatic loading and unloading at the processing position of the reducing machine, reducing manpower and improving production efficiency. It ensures the consistency and pass rate of the processed metal columns. Simultaneously, the feeding component pushes the metal column from the loading position of the discharge chute to the processing position, which is also the unloading position. Thus, during the reducing machine's workpiece reducing process, the loading mechanism can simultaneously complete material storage and distribution operations, reducing equipment downtime and improving production efficiency.

[0024] 2. The automatic loading and unloading device for a reducing machine disclosed in this invention features a stop block at the bottom of the rotating seat. When the rotating seat rotates, the stop block can block the metal column on the inclined surface, preventing the metal column from falling and ensuring a smooth loading process. The rotating seat is L-shaped, including a support rod and a bending angle. The support rod is located on the long side of the L-shaped structure, and the bending angle is located at the bend of the L-shaped structure, which facilitates the placement of a single metal column, ensures the accuracy of the number of materials loaded at one time, and avoids malfunctions caused by multiple workpieces getting stuck in the feeding channel.

[0025] 3. The automatic loading and unloading device for a diameter reduction machine disclosed in this invention features a downward-sloping surface on the top of the fixed platform. The slope is arc-shaped and protrudes outward, ensuring that the metal columns above it are evenly placed, thus avoiding loading difficulties and falling due to the stacking of metal columns. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of an automatic loading and unloading device for a diameter reduction machine according to the present invention. Figure 1 ; Figure 2 This is a three-dimensional structural diagram of an automatic loading and unloading device for a diameter reduction machine according to the present invention. Figure 2 ; Figure 3 This is a three-dimensional structural diagram of the loading seat, feeding component, and loading component in an automatic loading and unloading device for a diameter reduction machine according to the present invention. Figure 4 This is a three-dimensional structural diagram of the feeding component and the loading component in an automatic loading and unloading device for a diameter reduction machine according to the present invention. Figure 5 for Figure 4 A magnified schematic diagram of the local structure at point A; Figure 6 This is a left-side structural schematic diagram of the loading seat, feeding component, and loading component in an automatic loading and unloading device for a diameter reduction machine according to the present invention. Figure 7 This is a three-dimensional structural diagram of an automatic loading and unloading device for a diameter reduction machine according to the present invention. Figure 3 .

[0027] In the diagram: 1. Reducing machine; 11. Sleeve; 12. Gland; 13. Reducing machine body; 14. Mold; 2. Clamping assembly; 21. Drive component; 22. Fixed seat; 23. Base; 24. Top plate; 25. Fixture; 3. Feeding seat; 31. Fixed platform; 32. Baffle; 33. Inclined surface; 4. Metal column; 5. Feeding assembly; 51. Support frame; 52. Fixed plate; 53. Telescopic rod; 54. First support plate; 55. Movable plate; 56. Push plate; 57. Dividing groove; 58. Discharge chute; 6. Loading assembly; 61. Mounting plate; 62. Rotating shaft; 63. Rotating seat; 631. Support rod; 632. Bending angle; 64. Motor; 65. Stop block; 7. Control assembly; 71. Second support plate; 72. Cylinder; 73. Connecting rod. Detailed Implementation

[0028] First, it should be noted that in different described embodiments, the same components are given the same reference numerals or the same component names. The disclosure contained throughout this specification can be applied semantically to the same components having the same reference numerals or the same component names. The location descriptions selected in the specification, such as upper, lower, lateral, etc., also refer to the directly described and illustrated figures and are semantically applied to the new location when the location changes. Example 1

[0029] An automatic loading and unloading device for a diameter reduction machine, such as Figure 1-7 As shown, it is mainly used in the automated diameter reduction processing of metal columnar workpieces, solving the technical problems of traditional diameter reduction machines that rely on manual loading and unloading, poor material distribution accuracy, easy jamming, low production efficiency, and poor workpiece processing consistency.

[0030] like Figure 1 As shown, the overall structure of the present invention includes a diameter reduction machine 1, which is the core processing equipment for workpiece diameter reduction forming. A feeding assembly 5 is provided at one axial end of the diameter reduction machine 1, which is the main structure for workpiece conveying and feeding. A loading assembly 6 is fixedly mounted on the feeding assembly 5, and a feeding seat 3 is provided on the side of the loading assembly 6 away from the feeding assembly 5. The feeding seat 3 is used to batch stack the metal columns 4 to be processed, so as to realize the workpiece storage and supply.

[0031] like Figure 2 As shown, the feeding assembly 5 has a discharge trough 58 along its length, which serves as a conveying channel for the metal column 4. A movable plate 55 is provided near the processing end of the reducing machine 1. The movable plate 55 forms an opening and closing blocking structure at the end of the discharge trough 58. The bottom side of the movable plate 55 is fixedly connected to the control assembly 7. The movable plate 55 can rotate under the power drive of the control assembly 7, thereby realizing the automatic opening and closing of the end of the discharge trough 58 and completing the automatic unloading and blocking of the workpiece.

[0032] like Figure 1 As shown, the reducing machine 1 includes a reducing machine body 13, which is the equipment base and has a built-in reducing drive mechanism. A mold 14 is embedded in the feeding end of the reducing machine body 13 near the feeding component 5. The mold 14 is a forming mold for reducing the diameter of the end of the metal column 4. A sleeve 11 is coaxially arranged on the outer side of the mold 14 away from the reducing machine body 13. The sleeve 11 serves to guide, position and protect the workpiece. A pressure cap 12 is fitted onto the outer end of the sleeve 11 away from the mold 14. The pressure cap 12 locks the assembly position of the sleeve 11 and the mold 14 to prevent the parts from loosening or shifting during processing and to ensure processing accuracy.

[0033] like Figure 2 , Figure 7 As shown, a clamping assembly 2 is provided at the docking gap between the reducing machine 1 and the feeding assembly 5. The clamping assembly 2 is used to radially clamp and position the metal column 4 fed into the processing position to prevent the workpiece from moving during the reducing process. The clamping assembly 2 includes a clamp 25, which is an openable clamping claw structure and is fixedly installed on the clamping assembly 2 near the feeding end of the feeding assembly 5. A driving component 21 is connected to the top of the clamp 25. The driving component 21 is preferably a hydraulic or pneumatic cylinder to provide power for the opening and closing of the clamp 25. A top plate 24 is fixedly mounted between the driving component 21 and the clamp 25. The top plate 24 is used to support the driving component 21 and transmit the clamping force. A fixed seat 22 is assembled between the top plate 24 and the driving component 21 to realize the positioning and installation of the driving component 21. A base 23 is fixedly connected below the top plate 24. The base 23 is fixedly placed on the ground and forms the load-bearing base of the entire clamping assembly 2.

[0034] like Figure 1As shown, the feeding seat 3 is fixedly installed on a horizontal ground, forming a workpiece storage platform. The feeding seat 3 includes a fixed platform 31, which is a load-bearing base; the top of the fixed platform 31 is formed with a downward inclined surface 33, which is inclined towards the feeding assembly 6, so that the stacked metal columns 4 are automatically slid towards the feeding assembly 6 for feeding by gravity; the lowest point of the inclined surface 33 corresponds precisely to the picking position of the feeding assembly 6, ensuring that the workpiece can be stably picked up by the feeding assembly 6.

[0035] like Figure 3 As shown, a baffle 32 is fixedly installed on the side wall of the fixed platform 31. The baffle 32 is vertically arranged and can laterally limit and block the metal columns 4 stacked above the inclined surface 33, preventing the workpieces from tilting and rolling to the side, preventing the workpieces from falling and hitting surrounding equipment or accidentally injuring operators, and improving the safety of equipment operation. The inclined surface 33 is set as an outwardly convex arc-shaped structure. The arc slope can optimize the stress distribution of the metal columns 4, avoid local stress concentration of the workpieces causing stacking jams, make the workpiece arrangement more uniform and smooth, and avoid the problem of feeding jams caused by messy workpiece stacking.

[0036] like Figure 1 As shown, the feeding assembly 5 serves as the core of the workpiece conveying process and includes the feeding trough 58. The feeding trough 58 adopts a long trough structure to accommodate the axial conveying of the metal column 4. A support frame 51 is fixedly welded to the bottom of the feeding trough 58. The support frame 51 raises the installation height of the feeding trough 58 to match the feeding height of the reducing machine 1. A fixing plate 52 is fixedly installed at the rear end of the support frame 51 away from the reducing machine 1. A telescopic rod 53 is horizontally fixedly mounted on the fixing plate 52. The telescopic rod 53 is preferably an electric push rod or a pneumatic telescopic rod. The telescopic rod 53 is housed and arranged inside the feeding trough 58.

[0037] like Figure 2 As shown, a push plate 56 is fixedly installed at the telescopic end of the telescopic rod 53 away from the fixed plate 52. The push plate 56 matches the groove shape of the feeding trough 58. When the telescopic rod 53 extends or retracts, it drives the push plate 56 to slide axially along the feeding trough 58, thereby pushing the metal column 4 in the trough to feed towards the reducing machine 1, realizing automatic workpiece feeding. A first support plate 54 is fixedly mounted on the top of the support frame 51. The first support plate 54 is a flat plate bearing structure. The feeding trough 58 is fixedly embedded in the first support plate 54 to ensure that the feeding trough 58 is installed stably and the force is evenly distributed.

[0038] like Figures 4-5As shown, the feeding assembly 6 realizes automatic workpiece sorting and single-piece picking, including a mounting plate 61. The mounting plate 61 is fixedly mounted on the support frame 51 near the end of the feeding seat 3. A rotating shaft 62 is rotatably mounted on the mounting plate 61 via bearings. One end of the rotating shaft 62 is coaxially connected to a motor 64, and the rotating shaft 62 is driven to rotate by the forward and reverse rotation of the motor 64. Multiple rotating seats 63 are fixed in a circular array on the shaft of the rotating shaft 62, and the rotating seats 63 rotate with the rotating shaft 62.

[0039] like Figure 5 As shown, the rotating seat 63 is configured as an L-shaped structure, including a support rod 631 on the long side and a bending angle 632 at the bend. The L-shaped structure can accurately embed a single metal column 4, limiting the number of workpieces picked up at one time, and structurally preventing jamming and material blockage caused by multiple workpieces entering the feeding channel at the same time.

[0040] like Figures 5-6 As shown, a stop block 65 is integrally provided at the bottom of the rotating seat 63. When the rotating seat 63 rotates with the rotating shaft 62 to pick up materials, the stop block 65 can limit and block the metal column 4 to be picked up on the inclined surface 33, preventing the workpiece from slipping and deviating during the picking process, and ensuring that the feeding action is continuous and smooth.

[0041] like Figures 5-6 As shown, the top of the feeding trough 58 away from the feeding component 6 is also equipped with a stop. This stop can guide and limit the metal column 4 sliding down along the rotating seat 63, ensuring that the workpiece falls accurately into the feeding trough 58 and preventing the workpiece from deviating and falling off.

[0042] like Figure 7 As shown, the control component 7 is arranged below the movable plate 55, providing power for the opening and closing of the material feeding mechanism. The control component 7 includes a second support plate 71, which is fixedly mounted on the support frame 51 as a load-bearing base. A cylinder 72 is vertically fixedly mounted on the second support plate 71. The telescopic output end of the cylinder 72 is hinged to a connecting rod 73, and the upper end of the connecting rod 73 is hinged to the movable plate 55. By telescopically pushing and pulling the connecting rod 73, the movable plate 55 can be driven to complete the flipping opening and closing action.

[0043] In this embodiment, the horizontal distance between the rotating shaft 62 and the feeding trough 58 is matched with the length of the connecting rod 73, ensuring that there is no interference in the movement of each component and that the linkage of the mechanism is smoother.

[0044] like Figure 2 As shown, a partition groove 57 is provided between the movable plate 55 and the wall of the discharge trough 58. The gap isolates the movable plate 55 from the discharge trough 58 during the flipping process, thus reducing component wear and operating noise.

[0045] In this embodiment, a hinge structure is assembled between the movable plate 55 and the first support plate 54, so that the movable plate 55 can rotate around the bottom of the material discharge trough 58 as the rotation axis, and the rotation trajectory is stable and reliable with high opening and closing accuracy.

[0046] The workflow of this invention is as follows: A batch of metal columns 4 are stacked on the arc-shaped inclined surface 33 of the feeding seat 3 and slide to one side under the action of gravity; the motor 64 drives the rotating shaft 62 to rotate the L-shaped rotating seat 63, picking up a single metal column 4 at a time, and preventing the workpiece from falling under the limit of the stop block 65; the workpiece slides into the discharge groove 58 as the rotating seat 63 rotates; the telescopic rod 53 drives the push plate 56 to push the metal column 4 along the discharge groove 58 to feed it into the reducing machine 1; the driving component 21 of the clamping assembly 2 drives the clamp 25 to clamp and position the workpiece; the reducing machine body 13 completes the reduction processing of the workpiece end through the mold 14; after processing, the cylinder 72 of the control assembly 7 drives the connecting rod 73 to pull the movable plate 55 to flip and open, and the processed metal column 4 is automatically discharged from the end of the discharge groove 58, completing a single processing cycle. During the feeding process, the feeding seat 3 and the feeding assembly 6 can simultaneously complete the storage and distribution operations, without the need for equipment to stop and wait, greatly improving the production cycle.

[0047] In summary, this device, through its fully automated structural design, achieves automatic material storage, precise single-piece feeding, automatic feeding, positioning processing, and automatic unloading of metal column workpieces, reducing manual intervention and improving processing efficiency and workpiece forming consistency. Relying on the L-shaped rotating seat, arc-shaped inclined surface, and multi-stage material blocking structure, it completely solves industry pain points such as workpiece stacking, falling, and multiple material jamming. The equipment has strong operational stability and a wide range of applications.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic loading and unloading device for a diameter reduction machine, characterized in that, The device includes a reducing machine (1), one end of which is provided with a feeding assembly (5), and a feeding assembly (6) is provided on the feeding assembly (5). A feeding seat (3) is provided on the side of the feeding assembly (6) away from the feeding assembly (5). A discharge chute (58) is provided on the feeding assembly (5), and a movable plate (55) is provided on the end of the discharge chute (58) near the reducing machine (1). A control assembly (7) is fixedly connected to one side of the movable plate (55), and the movable plate (55) rotates under the control of the control assembly (7).

2. The automatic loading and unloading device for a reducing machine according to claim 1, characterized in that: A clamping assembly (2) is provided between the reducing machine (1) and the feeding assembly (5). The clamping assembly (2) includes a clamp (25), which is fixedly installed at one end of the clamping assembly (2) near the feeding assembly (5).

3. The automatic loading and unloading device for a diameter reduction machine according to claim 1, characterized in that: The feeding seat (3) is fixedly installed on a horizontal ground. The feeding seat (3) includes a fixed platform (31). The top of the fixed platform (31) is provided with an inclined surface (33) that tilts downward. The bottom of the inclined surface (33) corresponds to the feeding component (6).

4. The automatic loading and unloading device for a diameter reduction machine according to claim 3, characterized in that: The feeding assembly (5) includes a feeding trough (58), a support frame (51) is fixedly installed at the bottom of the feeding trough (58), a fixing plate (52) is fixedly installed at the end of the support frame (51) away from the reducing machine (1), and a telescopic rod (53) is fixedly installed on the fixing plate (52).

5. The automatic loading and unloading device for a diameter reduction machine according to claim 4, characterized in that: The feeding assembly (6) includes a mounting plate (61), which is fixedly mounted on one end of the support frame (51) near the feeding seat (3). A rotating shaft (62) is rotatably mounted on the mounting plate (61), and several rotating seats (63) are fixedly mounted on the rotating shaft (62). A stop block (65) is provided at the bottom of the rotating seat (63).

6. The automatic loading and unloading device for a reducing machine according to claim 1, characterized in that: The control component (7) is located below the movable plate (55). The control component (7) includes a cylinder (72). The output end of the cylinder (72) is connected to a connecting rod (73). The end of the connecting rod (73) away from the cylinder (72) is connected to the movable plate (55).

7. The automatic loading and unloading device for a reducing machine according to claim 5, characterized in that: The rotating seat (63) is set in an "L" shape, including a support rod (631) and a bending angle (632). The support rod (631) is set on the long side of the "L" shaped structure, and the bending angle (632) is set at the bend of the "L" shaped structure, which facilitates the placement of a single metal column (4), ensures the accuracy of the number of materials fed at one time, and avoids the failure caused by multiple workpieces getting stuck in the feeding channel.

8. The automatic loading and unloading device for a diameter reduction machine according to claim 5, characterized in that: The distance between the rotating shaft (62) and the discharge chute (58) is the same as the length of the connecting rod (73).

9. An automatic loading and unloading device for a diameter reduction machine according to claim 3, characterized in that: The inclined surface (33) is set in an arc shape, and the arc-shaped inclined surface (33) protrudes outward.

10. An automatic loading and unloading device for a diameter reduction machine according to claim 4, characterized in that: A push plate (56) is fixedly installed at one end of the telescopic rod (53) away from the fixed plate (52), and the push plate (56) is correspondingly arranged with the material discharge chute (58).

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