A cylindrical workpiece feeding and reversing device

Abstract

The present invention relates to a cylindrical workpiece receiving and feeding reversing device, which mainly consists of two parts: a reversing mechanism and a linkage baffle mechanism. In the initial state, the piston rods of the receiving cylinder and the reversing cylinder are both in a retracted state, and the passive baffle of the linkage baffle mechanism is pushed out to block the discharge port of the receiving block; when the cylindrical workpiece is placed in the receiving position in the previous process, the receiving cylinder piston rod extends to connect the cylindrical workpiece to the receiving block, and then the receiving cylinder piston rod retracts; the reversing cylinder is actuated, and the receiving block is driven by the reversing mechanism to complete a 90° turn, so that the cylindrical workpiece changes from a vertical state to a horizontal state. At the same time, the reversing plate rotates to ninety degrees, the reset spring of the linkage baffle mechanism collides with the reset pin, and the tension spring pulls the passive baffle to open the discharge port of the receiving block, and the cylindrical workpiece rolls out along the roller of the receiving block to complete the reversal and feeding. The present invention is suitable for receiving and feeding cylindrical workpieces where reversing is required, and has a simple mechanical structure and low cost.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical automation and relates to a cylindrical workpiece feeding and reversing device. Background Art

[0002] In the automatic assembly line of automobile struts, the transfer and reversing of copper pins is a relatively important link. The copper pins need to be cooled and shrunk by liquid nitrogen at the previous workstation. If a general robot is used to clamp and complete the reversing work, heat conduction will occur, causing the copper pins to expand rapidly, and may also cause damage to the copper pin surface. Therefore, a non-gripping material transfer and reversing device is needed to ensure that the copper pins exchange heat slowly and the surface is not damaged. The copper pins are in a vertical posture when discharged from the previous cooling and shrinking workstation, but according to the layout of the assembly line, they are required to roll to the next workstation in a horizontal posture. If a general reversing mechanism is used, the copper pins may have slipped out from the discharge surface of the roller during the reversing process and cannot be turned to a horizontal state before rolling out as required. Therefore, a baffle needs to be added to the discharge surface of the reversing mechanism. When the reversing mechanism turns to the horizontal discharge state, the baffle is opened. This requires additional power, and the actions are sequential, which takes up a certain production cycle and affects production efficiency. Summary of the Invention

[0003] The purpose of the present invention is to provide a cylindrical workpiece feeding and reversing device, which can realize a 90° flip of the workpiece with only one flipping power and prevent the workpiece from rolling out of the raceway prematurely during the flipping process.

[0004] The purpose of the present invention can be achieved by the following technical solutions:

[0005] A cylindrical workpiece feeding and reversing device, comprising:

[0006] Mounting plate;

[0007] A reversing mechanism includes a reversing plate disposed on the mounting plate and rotatable in a vertical plane, a material receiving telescopic member mounted on the reversing plate, and a material receiving block mounted at the end of the material receiving telescopic member and having a material receiving and reversing roller track, wherein the material receiving and reversing roller track has a material inlet and a material outlet respectively located in two vertical planes;

[0008] The linkage baffle mechanism includes a connecting return plate fixedly mounted on the reversing plate, an active baffle slidably mounted on the connecting return plate, a passive baffle slidably matched with the active baffle, and a linkage connecting rod with one end hinged on the mounting plate and the other end hinged to the active baffle. The sliding direction of the passive baffle on the active baffle is consistent with the sliding direction of the active baffle on the connecting return plate. A tension spring is also provided between the active baffle and the passive baffle. The connecting return plate is also provided with a return groove along the moving direction of the passive baffle. A reset spring with the freedom of elastic expansion and contraction perpendicular to the direction of the return groove is also installed on the passive baffle. A return pin that can be extended into the return groove is provided on the reset spring, and when the return pin extends into the return groove, the passive baffle is in a position to block the discharge port of the material receiving and reversing raceway.

[0009] Furthermore, a reset pin is fixed above the mounting plate. When the reversing plate rotates to be perpendicular to the mounting plate, the reset pin extends into the anti-return groove and presses the reset spring piece, so that the anti-return pin is brought out of the anti-return groove, thereby causing the passive baffle to leave the discharge port position.

[0010] Furthermore, the height and position of the reset pin satisfy the following conditions: when the reversing plate is rotated to be perpendicular to the mounting plate, the reset pin is located above the anti-return pin.

[0011] Furthermore, the connection return plate is Z-shaped, the bottom surface of which is fixedly connected to the reversing plate, the active baffle is installed on the middle side surface, and the anti-return groove is processed on the top surface.

[0012] Furthermore, the active baffle is slidably mounted on the connection return plate through a linear guide rail. The active baffle is also processed with a slide groove along the direction of the linear guide rail, and the passive baffle is also provided with a sliding pin that matches and is inserted into the slide groove.

[0013] Furthermore, the mounting plate is also provided with a reversing bearing seat and a connecting rod seat arranged at intervals. The reversing plate and the linkage connecting rod are respectively installed on the reversing bearing seat and the connecting rod seat through a reversing shaft and a connecting rod shaft. The reversing shaft and the connecting rod shaft are arranged parallel to each other.

[0014] Furthermore, a limit plate is provided on the end of the reversing plate away from the material receiving block, and two limit screws are provided on the mounting plate. When the reversing plate rotates on the mounting plate, the limit screws respectively press against the limit plate or the bottom of the reversing plate to limit the rotation degree of the reversing plate. For example, when one of the limit screws located next to the reversing bearing seat collides with the limit plate, the reversing plate is rotated 90° to a vertical state, and when the other limit screw collides with the bottom of the reversing plate, the reversing plate is rotated to a horizontal state to facilitate feeding.

[0015] Furthermore, the linkage connecting rod is an L-shaped connecting rod.

[0016] Furthermore, the material receiving block includes a material receiving roller plate, a material receiving cover plate, a material receiving bottom plate and a material receiving column. A 1 / 4 cylindrical notch is processed at one end angle position of the material receiving roller plate. The material receiving cover plate and the material receiving column are respectively fixedly mounted on the upper and lower surfaces of the material receiving roller plate. The material receiving column is arranged at the notch, and its two ends are respectively connected to the material receiving cover plate and the material receiving bottom plate. The material receiving reversing roller is surrounded by the material receiving cover plate, the material receiving bottom plate, the material receiving column and the material receiving roller plate in the notch area, and the feed port and the discharge port of the material reversing roller are respectively located on two adjacent side surfaces of the material receiving roller plate.

[0017] Furthermore, a reversing cylinder is rotatably mounted on the mounting plate via a cylinder bearing seat, and the output end of the reversing cylinder is connected to a reversing rod via a fisheye joint, and the reversing rod is also connected to a pad fixed on the reversing plate.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] (1) The linkage baffle mechanism only requires one power to achieve a 90° flip of the workpiece and prevent the workpiece from rolling down prematurely during the flipping process;

[0020] (2) The contact time between the workpiece and the steering device is short during the steering process. For the feeding of the cold-shrink workpiece, a rolling method is adopted, which reduces the heat exchange time and does not cause damage to the workpiece surface, thereby achieving the purpose of simple structure and improved production efficiency;

[0021] (3) It can be used for feeding and steering various cylindrical workpieces like copper pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the material receiving block feeding vertically;

[0024] Figure 3 It is a structural diagram of the linkage baffle mechanism in the material blocking state;

[0025] Figure 4 It is a structural diagram of the linkage baffle mechanism in the discharge state;

[0026] Figure 5 It is a structural diagram of the material connection block;

[0027] Description of the marks in the figure:

[0028] 1-mounting plate, 11-reset pin, 12-reset column, 13-limit screw;

[0029] 2-reversing mechanism, 21-reversing cylinder, 22-cylinder bearing seat, 23-fisheye joint, 24-reversing rod, 25-pad, 26-reversing plate, 261-reversing shaft, 262-reversing bearing seat, 263-limiting plate, 264-receiving cylinder, 27-receiving block, 271-receiving cover plate, 272-receiving roller plate, 273-receiving bottom plate, 274-receiving column, 275-locating pin;

[0030] 3-linked baffle mechanism, 301-connecting return plate, 302-anti-return pin, 303-linear guide rail, 304-connecting rod seat, 305-linked connecting rod, 306-connecting pin, 307-active baffle, 308-passive baffle, 309-tension spring, 310-sliding pin, 311-reset spring;

[0031] 4- Cylindrical workpiece. DETAILED DESCRIPTION

[0032] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0033] In the following implementation manners or examples, unless otherwise specified, functional components or structures are conventional components or conventional structures used in the art to achieve corresponding functions.

[0034] The present invention provides a cylindrical workpiece feeding and reversing device that can be used for feeding and reversing various cylindrical workpieces 4 similar to copper pins. Figures 1 to 5 Shown, including:

[0035] Mounting plate 1;

[0036] The reversing mechanism 2 includes a reversing plate 26 provided on the mounting plate 1 and rotatable in a vertical plane, a material receiving telescopic member (preferably a material receiving cylinder 264 in the present invention) installed on the reversing plate 26, and a material receiving block 27 installed at the end of the material receiving telescopic member and having a material receiving and reversing roller track, wherein the material receiving and reversing roller track has a material inlet and a material outlet respectively located in two vertical planes;

[0037] The linkage baffle mechanism 3 includes a connection return plate 301 fixedly mounted on the reversing plate 26, an active baffle 307 slidably mounted on the connection return plate 301, a passive baffle 308 slidingly matched with the active baffle 307, and a linkage link 305 hinged at one end to the mounting plate 1 and hinged at the other end to the active baffle 307. The sliding direction of the passive baffle 308 on the active baffle 307 is consistent with the sliding direction of the active baffle 307 on the connection return plate 301. A tension spring 309 is further provided between the active baffle 307 and the passive baffle 308, and a return groove along the moving direction of the passive baffle 308 is further provided on the connecting return plate 301, and a reset spring 311 with the freedom of elastic expansion and contraction perpendicular to the direction of the return groove is also installed on the passive baffle 308, and a return pin 302 that can be extended into the return groove is provided on the reset spring 311, and when the return pin 302 is extended into the return groove, the passive baffle 308 is in a position to block the discharge port of the material receiving and reversing raceway.

[0038] In some specific embodiments, please refer to Figure 1 and Figure 4 As shown in the figures, a reset pin 11 is fixedly provided above the mounting plate 1. When the reversing plate 26 is rotated to be vertical to the mounting plate 1, the reset pin 11 extends into the anti-return groove and presses the reset spring piece 311, so that the anti-return pin 302 is brought out of the anti-return groove, thereby causing the passive baffle 308 to leave the discharge port position.

[0039] In a more specific embodiment, the reset pin 11 is provided on the reset column 12 , and the height and position of the reset pin 11 satisfy the following conditions: when the reversing plate 26 rotates to be perpendicular to the mounting plate 1 , the reset pin 11 is located above the anti-return pin 302 .

[0040] In some specific embodiments, please refer to Figure 1 As shown in FIG. 1 , the connecting return plate 301 is Z-shaped, with its bottom surface fixedly connected to the reversing plate 26 , the active baffle 307 installed on the middle side surface, and the anti-return groove processed on the top surface.

[0041] When the reversing plate 26 is rotated to the horizontal state, the passive baffle 308 is pushed outward by the active baffle 307, thereby blocking the position of the discharge port of the material receiving and reversing roller. At this time, the anti-return pin 302 is synchronously driven to extend into the anti-return groove, and the tension spring 309 between the active baffle 307 and the passive baffle 308 is in a "free state"; and when the reversing plate 26 is rotated to the vertical state, the active baffle 307 is driven downward by the linkage pull rod, and the passive baffle 308 remains in position due to the limiting effect of the anti-return pin 302. At this time, the tension spring 309 between the active baffle 307 and the passive baffle 308 is in a "stretched state", and when the anti-return pin 302 is pressed out of the anti-return groove by the reset pin 11, the passive baffle 308 leaves the position of the discharge port of the material receiving and reversing roller under the tension of the tension spring 309. In order to achieve the change in the state of the tension spring 309 during the above working process, the active baffle 307 needs to have a sufficiently large stroke during the rotation of the reversing plate 26. Therefore, the setting position and size of the linkage link 305 must meet the requirements for achieving the above process.

[0042] In some specific embodiments, please refer to Figure 3 As shown in the figure, the active baffle 307 is slidably installed on the connecting return plate 301 through the linear guide rail 303. The active baffle 307 is also processed with a sliding groove along the direction of the linear guide rail 303, and the passive baffle 308 is also provided with a sliding pin 310 that is matched and inserted into the sliding groove.

[0043] In some specific embodiments, please refer to Figure 2 As shown in the figures, the mounting plate 1 is also provided with a reversing bearing seat 262 and a connecting rod seat 304 arranged at intervals. The reversing plate 26 and the linkage connecting rod 305 are respectively installed on the reversing bearing seat 262 and the connecting rod seat 304 through the reversing shaft 261 and the connecting rod shaft. The reversing shaft 261 is arranged parallel to the connecting rod shaft.

[0044] In some specific embodiments, please refer to Figure 1 and Figure 2 As shown in the figures, a limit plate 263 is further provided on the end of the reversing plate 26 away from the material receiving block 27, and two limit screws 13 are further provided on the mounting plate 1. When the reversing plate 26 rotates on the mounting plate 1, the limit screws 13 respectively press against the limit plate 263 or the bottom of the reversing plate 26 to limit the rotation degree of the reversing plate 26. For example, when one of the limit screws 13 located next to the reversing bearing seat 262 collides with the limit plate 263, the reversing plate 26 is rotated 90° to a vertical state, and when the other limit screw 13 collides with the bottom of the reversing plate 26, the reversing plate 26 is rotated to a horizontal state to facilitate feeding.

[0045] In some specific implementations, the linkage link 305 is an L-shaped link.

[0046] In some specific embodiments, please refer to Figure 5 As shown in the figures, the material receiving block 27 includes a material receiving roller plate 272, a material receiving cover plate 271, a material receiving bottom and a material receiving column 274. A 1 / 4 cylindrical notch is processed at one end angle of the material receiving roller plate 272. The material receiving cover plate 271 and the material receiving column 274 are respectively fixedly mounted on the upper and lower surfaces of the material receiving roller plate 272. The material receiving column 274 is arranged at the notch, and its two ends are respectively connected to the material receiving cover plate 271 and the material receiving bottom plate 273. The material receiving reversing roller is surrounded by the material receiving cover plate 271, the material receiving bottom plate 273, the material receiving column 274 and the material receiving roller plate 272 in the notch area, and the feed port and the discharge port of the material reversing roller are respectively located on two adjacent side surfaces of the material receiving roller plate 272.

[0047] In some specific embodiments, please refer to Figure 1 As shown in the figures, a reversing cylinder 21 is rotatably mounted on the mounting plate 1 through a cylinder bearing seat 22. The output end of the reversing cylinder 21 is connected to a reversing rod 24 through a fisheye joint 23. The reversing rod 24 is also connected to a pad 25 fixed on the reversing plate 26.

[0048] The above embodiments may be implemented individually or in any combination of two or more.

[0049] The above implementation is described in more detail below with reference to specific examples.

[0050] Example 1:

[0051] This embodiment provides a cylindrical workpiece feeding and reversing device, which can be applied to various cylindrical workpieces 4 similar to copper pins. Figures 1 to 5 As shown, it includes a mounting plate 1, a reversing mechanism 2, a linkage baffle mechanism 3, etc.

[0052] The structure of the reversing mechanism 2 can be found in Figure 1As shown in the figure, a pair of cylinder bearing seats 22 are fixedly installed on one side of the mounting plate 1, and the cylinder bearing seat 22 is hinged to the reversing cylinder 21, and the reversing cylinder 21 is connected to the reversing rod 24 through a fisheye joint 23, and the reversing rod 24 is fixedly connected to the pad 25, and the pad 25 is fixedly connected to the reversing plate 26; a pair of reversing bearing seats 262 are fixedly installed on the other side of the mounting plate 1, and the reversing plate 26 is rotatably connected to the reversing bearing seat 262 through a reversing shaft 261, and a limit plate 2 is fixedly installed on the right side of the reversing plate 26. 63, two limit screws 13 are fixedly installed on the mounting plate 1, and when the reversing plate 26 is driven by the reversing cylinder 21 to rotate ninety degrees, the limit plate 263 hits the limit screw 13 to limit the position; a receiving cylinder 264 is fixedly installed on the reversing plate 26, and the receiving cylinder 264 is fixedly connected to the receiving block 27. The receiving block 27 consists of four parts, namely, a receiving cover plate 271, a receiving roller plate 272, a receiving column 274, and a receiving bottom plate 273. The receiving roller plate 272 is connected to the receiving cylinder 2 64 is fixedly connected, the material receiving roller plate 272 is fixedly connected to the material receiving cover plate 271 and the material receiving bottom plate 273, the material receiving roller plate 272 is fixedly connected to the piston rod of the material receiving cylinder 264, and the material receiving column 274 is fixedly connected to the material receiving cover plate 271 and the material receiving bottom plate 273 through the positioning pin 275; the reversing plate 26 is fixedly connected to the connecting return plate 301, and the connecting return plate 301 is slidably connected to the linkage baffle mechanism 3 (i.e., the active baffle 307) through the linear guide rail 303; When feeding, the receiving block 27 is in a horizontal state, and the piston rod of the receiving cylinder 264 is in a retracted state. When the cylindrical workpiece 4 arrives at the preceding workstation waiting for feeding, the piston rod of the receiving cylinder 264 extends, driving the receiving block 27 forward, so that the cylindrical workpiece 4 is connected to the receiving block 27, and the piston rod of the receiving cylinder 264 retracts. Then the piston rod of the reversing cylinder 21 extends, driving the receiving block 27 to rotate 90 degrees clockwise, and the cylindrical workpiece 4 changes from a vertical state to a horizontal state and rolls out.

[0053] The structure of the linkage baffle mechanism 3 can be found in Figure 3 and Figure 4As shown in the figure, a connecting rod seat 304 is fixedly installed on the mounting plate 1, and the connecting rod seat 304 is hinged with a linkage connecting rod 305 (i.e., an L-shaped connecting rod). The linkage connecting rod 305 is fixedly connected to the active baffle 307 through a connecting pin 306, and two sliding pins 310 are fixedly installed on the passive baffle 308. The sliding pins 310 slide in the groove of the active baffle 307 to guide the movement of the passive baffle 308. The active baffle 307 is connected to the passive baffle 308 by a tension spring 309, and the passive baffle 308 is fixedly connected to a reset spring 311. When the workpiece 4 needs to be reversed, the reversing plate 26 starts to rotate under the drive of the reversing cylinder 21, and the active baffle 307 slides along the linear guide rail 303 under the pulling force of the L-shaped connecting rod. The reset spring 311 is blocked by the return pin 302, so that the tension spring 309 is stretched while the active baffle 307 slides, while the passive baffle 308 does not move during the rotation process. When the reversing plate 26 rotates to ninety degrees, the reset spring 311 collides with the reset pin 11 and is pressed downward, and the tension spring 309 pulls the passive baffle 308 to slide along the slot direction of the active baffle 307. At this time, there is no baffle at the discharge port of the material receiving block 27, and the cylindrical workpiece 4 rolls out along the raceway of the material receiving block 27 to complete the reversal and feeding.

[0054] The working principle of this embodiment is as follows:

[0055] In the initial state, the piston rod of the receiving cylinder 264 is retracted, the receiving block 27 is in a horizontal state, and the passive baffle 308 is extended under the thrust of the active baffle 307 to block the discharge port of the receiving block 27; during operation, when the cylindrical workpiece 4 is waiting for material connection in the previous process, the piston rod of the receiving cylinder 264 is extended, driving the receiving block 27 forward, so that the cylindrical workpiece 4 enters the receiving block 27, the piston rod of the receiving cylinder 264 is retracted, and then the piston rod of the reversing cylinder 21 is extended, driving the receiving block 27 to rotate 90 degrees clockwise, and the cylindrical workpiece 4 changes from a vertical state to a horizontal state; at the same time, the reversing plate 26 is in the reversing cylinder 2 1 starts to rotate, the active baffle 307 slides along the linear guide rail 303 under the pulling force of the L-shaped connecting rod, and the reset spring 311 makes the tension spring 309 stretch while the active baffle 307 slides under the blocking action of the return pin 302, while the passive baffle 308 does not move during the rotation process; when the reversing plate 26 rotates to ninety degrees, the reset spring 311 collides with the reset pin 11 and is pressed downward, and the tension spring 309 pulls the passive baffle 308 to slide along the notch direction of the active baffle 307. At this time, there is no baffle at the discharge port of the receiving block 27, and the cylindrical workpiece 4 rolls out along the raceway of the receiving block 27 to complete the reversing and feeding.

[0056] The above description of the embodiments is intended to facilitate understanding and use of the invention by those skilled in the art. It will be apparent that those skilled in the art can readily make various modifications to these embodiments and apply the general principles described herein to other embodiments without requiring inventive effort. Therefore, the present invention is not limited to the above-described embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of the present invention, without departing from the scope of the present invention, should be within the scope of protection of the present invention.

Claims

1. A cylindrical workpiece feeding and reversing device, characterized in that: include: Mounting plate; A reversing mechanism comprising a reversing plate disposed on the mounting plate and rotatable in a vertical plane, a material receiving telescopic member mounted on the reversing plate, and a material receiving block mounted at the end of the material receiving telescopic member and having a material receiving and reversing roller track, wherein the material receiving and reversing roller track has a material inlet and a material outlet respectively located in two vertical planes; The linkage baffle mechanism includes a connecting return plate fixedly mounted on the reversing plate, an active baffle slidably mounted on the connecting return plate, a passive baffle slidably matched with the active baffle, and a linkage connecting rod with one end hinged on the mounting plate and the other end hinged to the active baffle. The sliding direction of the passive baffle on the active baffle is consistent with the sliding direction of the active baffle on the connecting return plate. A tension spring is also provided between the active baffle and the passive baffle. The connecting return plate is also provided with a return groove along the moving direction of the passive baffle. A reset spring with the freedom of elastic expansion and contraction perpendicular to the direction of the return groove is also installed on the passive baffle. A return pin that can be extended into the return groove is provided on the reset spring, and when the return pin extends into the return groove, the passive baffle is in a position to block the discharge port of the material receiving and reversing raceway.

2. A cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: A reset pin is also fixed above the mounting plate. When the reversing plate rotates to be perpendicular to the mounting plate, the reset pin extends into the anti-return groove and presses the reset spring piece, so that the anti-return pin is brought out of the anti-return groove, thereby causing the passive baffle to leave the discharge port position.

3. A cylindrical workpiece feeding and reversing device according to claim 2, characterized in that: The height and position of the reset pin satisfy the following requirements: when the reversing plate is rotated to be perpendicular to the mounting plate, the reset pin is located above the anti-return pin.

4. A cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: The connecting return plate is Z-shaped, with its bottom surface fixedly connected to the reversing plate, the active baffle installed on the middle side surface, and the anti-return groove processed on the top surface.

5. The cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: The active baffle is slidably mounted on the connection return plate via a linear guide rail. The active baffle is also processed with a slide groove along the direction of the linear guide rail. The passive baffle is also provided with a sliding pin that matches and is inserted into the slide groove.

6. A cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: The mounting plate is also provided with a reversing bearing seat and a connecting rod seat arranged at intervals. The reversing plate and the linkage connecting rod are respectively installed on the reversing bearing seat and the connecting rod seat through a reversing rotating shaft and a connecting rod rotating shaft. The reversing rotating shaft is arranged parallel to the connecting rod rotating shaft.

7. A cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: A limit plate is also provided at the end of the reversing plate away from the material receiving block, and two limit screws are also provided on the mounting plate. When the reversing plate rotates on the mounting plate, the limit screws respectively press against the limit plate or the bottom of the reversing plate to limit the rotation degree of the reversing plate.

8. A cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: The linkage connecting rod is an L-shaped connecting rod.

9. A cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: The material receiving block includes a material receiving roller plate, a material receiving cover plate, a material receiving bottom plate and a material receiving column. A 1 / 4 cylindrical notch is processed at one end corner position of the material receiving roller plate. The material receiving cover plate and the material receiving column are respectively fixedly mounted on the upper and lower surfaces of the material receiving roller plate. The material receiving column is arranged at the notch, and its two ends are respectively connected to the material receiving cover plate and the material receiving bottom plate, and the material receiving reversing roller is surrounded by the material receiving cover plate, the material receiving bottom plate, the material receiving column and the material receiving roller plate in the notch area, and the material receiving reversing roller is formed, and the feed port and the discharge port of the material receiving reversing roller are respectively located on two adjacent side surfaces of the material receiving roller plate.

10. The cylindrical workpiece feeding and reversing device according to claim 1, characterized in that: A reversing cylinder is also rotatably mounted on the mounting plate through a cylinder bearing seat. The output end of the reversing cylinder is connected to a reversing rod through a fisheye joint. The reversing rod is also connected to a pad fixed on the reversing plate. The reversing cylinder is extended and retracted to drive the reversing plate to rotate back and forth on the mounting plate.

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