A piston ring removal device

Abstract

The invention discloses a piston ring unloading device, specifically relating to the technical field of engine piston ring manufacturing and processing, wherein the ring shifting eccentric wheel of the invention drives the rocker arm to move synchronously, and since the rocker arm is connected to the rocker arm support and the connecting seat, the ring shifting rod performs circular motion under the drive of the ring shifting eccentric wheel, and drives the transmission rod and the rotating block to be linked with the transmission plate 2, and through the circular motion of the ring shifting eccentric wheel, the ring shifting piece at the front end of the ring shifting rod shifts out the piston ring in the ring clamping die sleeve, and the piston ring naturally slides to a specified position along the ring shifting rod and the unloading slideway, thereby realizing continuous removal of the piston ring, having a high degree of automation, shortening time, and reducing manual labor intensity; the ring sorting shaft is driven by the ring sorting motor to rotate, thereby assisting the falling of the piston ring, and the notch on the piston ring passes through the surface of the connecting seat, thereby realizing the falling of the piston ring, and the piston ring falls onto the unloading slideway of the inclined structure; by arranging the upper adjustment mechanism and the lower adjustment mechanism, the removal of piston rings with different inner diameters can be adapted.

Description

Technical Field

[0001] The invention relates to the technical field of engine piston ring manufacturing and processing, in particular to a piston ring unloading device. Background Art

[0002] During the manufacturing process of piston rings, the end face and outer corner of each piston ring need to be processed. The existing technology is to manually load the piston ring into a fixture for processing. After the processing is completed, the piston ring is manually removed from the fixture.

[0003] However, the existing technology adopts manual unloading, which has low efficiency, poor safety, cannot guarantee quality, cannot realize automated processing, increases working hours, has low output, and increases time consumption. Summary of the Invention

[0004] The purpose of the present invention is to provide a piston ring unloading device, which drives the rocker arm to move synchronously through the ring shifting eccentric wheel. Since the rocker arm is connected to the rocker arm support and the connecting seat, the ring shifting rod performs circular motion under the drive of the ring shifting eccentric wheel, and drives the transmission rod and the rotating block to interact with the transmission plate 2. Through the circular motion of the ring shifting eccentric wheel, the ring shifting piece at the front end of the ring shifting rod shifts out the piston ring in the ring clamping die sleeve, and the piston ring naturally slides to the specified position along the ring shifting rod and the unloading slide, thereby realizing the continuous removal of the piston ring with a high degree of automation, so as to solve the problems mentioned in the above background technology.

[0005] The present invention can be implemented through the following technical solutions: a piston ring unloading device, comprising a transfer mechanism for transferring piston rings and a support stand fixedly connected to a machine body, the top surface of the support stand is installed with an upper adjustment mechanism, and the bottom surface of the support stand is installed with a lower adjustment mechanism, the surface of the upper adjustment mechanism is installed with a deflection material shifting mechanism, the deflection material shifting mechanism includes a ring shifting eccentric wheel installed on the upper adjustment mechanism, a rocker arm is rotatably installed on the surface of the ring shifting eccentric wheel, a rocker arm support is fixedly installed on the bottom surface of the rocker arm, and the rocker arm support A shift ring rod is provided below the seat, and a connecting seat is fixedly provided between the top surface of the shift ring rod and the bottom surface of the rocker arm support. The top end of the shift ring rod is equipped with a shift ring plate for unloading the piston ring through a bolt, and the bottom end of the shift ring rod is connected to a unloading slide for collecting the shift ring rod. The rear surface of the rocker arm support is fixedly connected to a transmission rod, and the bent end of the transmission rod is hinged with a rotating block, and the end of the rotating block is hinged with the lower adjustment mechanism. An eccentric wheel sensor for controlling the start and stop and position of the rotational movement of the shift ring eccentric wheel is provided on the side of the shift ring eccentric wheel.

[0006] A further technical improvement of the present invention is that a baffle plate fixedly connected to the side of the rocker arm support is arranged above the shift ring plate, the baffle plate is arranged to be an L-shaped structure, and the bent end of the baffle plate is an arc-shaped structure, and a U-shaped groove for accommodating the entry of the connecting seat is provided on the bottom surface of the baffle plate.

[0007] A further technical improvement of the present invention is that a ring handling motor is installed on one side surface of the connecting seat, and a ring handling shaft driven by the ring handling motor and passing through the inside of the U-shaped groove is provided on the other side surface of the connecting seat, and the end of the ring handling shaft is rotatably connected to the surface of the ring shifting rod.

[0008] A further technical improvement of the present invention is that a fixed frame installed on the machine body is provided on the front side of the deflection material discharging mechanism, a limiting frame is installed on the bottom surface of one end of the fixed frame, and a snap seat for limiting the discharge chute is installed on the other end surface of the fixed frame, the top width of the snap seat is flush with the top width of the discharge chute, and the discharge chute is arranged at an angle.

[0009] A further technical improvement of the present invention is that a foot is fixedly provided on the surface of the limit frame, a support seat is provided on one side of the foot seat, and two placement grooves for accommodating the unloading chute are provided on the surface of the support seat, and the end face of the unloading chute is in contact with the side face of the foot seat.

[0010] A further technical improvement of the present invention is that the transfer mechanism includes a reversing seat slidably mounted on the surface of the machine body, a rotating motor is installed on the top surface of the reversing seat, and a clamping ring die sleeve is rotatably installed on the side of the reversing seat, the inner cavity of the clamping ring die sleeve is in contact with the outer surface of the piston ring, and a notch is opened on the end surface of the piston ring, and the notch enters the outside of the ring shifting rod and passes through the connecting seat to reach the end of the unloading slide.

[0011] The further technical improvement of the present invention is that the upper adjustment mechanism includes a transmission seat 1 fixedly connected to the top surface of the support stand, a threaded rod and a limit rod are arranged inside the transmission seat 1, the top surface of the transmission seat 1 is installed with an adjustment handle 2 fixedly connected to the threaded rod inside the transmission seat 1, and the front side surface of the transmission seat 1 is slidingly provided with a transmission seat 2 that slides with the limit rod, the threaded rod inside the transmission seat 2 is threadedly sleeved with a transmission plate 1 that slides with the transmission seat 2, and an adjustment handle 1 that drives the threaded rod to move is installed on the side surface of the transmission seat 2, the eccentric wheel of the dial ring is installed on the bottom side surface of the transmission plate 1, and the other side surface of the bottom of the transmission plate 1 is installed with a dial ring motor for driving the eccentric wheel to rotate.

[0012] A further technical improvement of the present invention is that the lower adjustment mechanism includes a transmission seat three installed on the bottom surface of the support frame, and the internal structure of the transmission seat three is the same as that of the transmission seat one and the transmission seat two. A transmission plate two is slidably installed on one side surface of the transmission seat three, and an adjustment handle three is installed on the top surface of the transmission seat three. The surface of the transmission plate two is hinged to the end of the rotating block.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the present invention, the ring shifting eccentric drives the rocker arm to move synchronously. Since the rocker arm is connected to the rocker arm support and the connecting seat, the ring shifting rod performs circular motion under the drive of the ring shifting eccentric, and drives the transmission rod and the rotating block to be linked with the transmission plate 2. Through the circular motion of the ring shifting eccentric, the ring shifting piece at the front end of the ring shifting rod shifts the piston ring in the clamping die sleeve out, and the piston ring naturally slides to the designated position along the ring shifting rod and the unloading chute, realizing the continuous removal of the piston ring, with a high degree of automation, improved production, shortened time, and reduced manual labor intensity.

[0015] 2. In the present invention, the ring sorting motor drives the ring sorting shaft to rotate, assisting the piston ring to fall. The notch on the piston ring passes through the surface of the connecting seat, realizing the falling of the piston ring, and the piston ring falls onto the unloading chute of the inclined structure;

[0016] 3. In the present invention, by setting up an upper adjustment mechanism and a lower adjustment mechanism, the height of the transmission seat 2 can be adjusted by adjusting the handle 2, and the horizontal distance of the transmission plate 1 can be adjusted by adjusting the handle 1 to adapt to the removal of piston rings with different inner diameters; the height of the transmission plate 2 can be adjusted by adjusting the handle 3 to adapt to the yaw movement of the transmission rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 A schematic diagram of the three-dimensional structure of the present invention from another angle;

[0020] Figure 3 It is a front view of the present invention;

[0021] Figure 4 For the present invention Figure 1 A partial enlarged view of point A in the middle;

[0022] Figure 5 This is a schematic diagram of the structural connection between the clamping ring die sleeve and the piston ring of the present invention;

[0023] Figure 6 It is a structural schematic diagram of the piston ring and the unloading slideway of the present invention.

[0024] In the figure: 1. Support stand; 2. Transmission seat 1; 3. Transmission seat 2; 4. Adjustment handle 1; 5. Transmission plate 1; 6. Ring shifting eccentric; 7. Eccentric sensor; 8. Rocker arm; 9. Ring shifting motor; 10. Ring clamping die sleeve; 11. Rotating motor; 12. Ring shifting plate; 13. Retaining ring plate; 14. Transmission seat 3; 15. Transmission plate 2; 16. Rotating block; 17. Transmission rod; 18. Fixed frame; 19. Unloading slide; 20. Engaging seat; 21. Support seat; 22. Foot seat; 23. Adjustment handle 3; 24. Placement slot; 25. Adjustment handle 2; 26. Connecting seat; 27. Rocker arm support; 28. Ring sorting motor; 29. ​​Ring sorting shaft; 30. U-shaped groove; 31. Piston ring; 32. Reversing seat; 33. Notch; 34. Ring shifting rod. DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0026] See also Figures 1-6As shown, the present invention provides a piston ring unloading device, comprising a transfer mechanism for transferring a piston ring 31 and a support stand 1 fixedly connected to a machine body, an upper adjustment mechanism being mounted on the top surface of the support stand 1, and a lower adjustment mechanism being mounted on the bottom surface of the support stand 1, a deflection material shifting mechanism being mounted on the surface of the upper adjustment mechanism, the deflection material shifting mechanism comprising a ring shifting eccentric wheel 6 mounted on the upper adjustment mechanism, a rocker arm 8 being rotatably mounted on the surface of the ring shifting eccentric wheel 6, and a rocker arm support 2 being fixedly mounted on the bottom surface of the rocker arm 8 7. A ring-shifting rod 34 is provided below the rocker arm support 27. A connecting seat 26 is fixedly provided between the top surface of the ring-shifting rod 34 and the bottom surface of the rocker arm support 27. A ring-shifting piece 12 for unloading the piston ring 31 is installed on the top of the ring-shifting rod 34 by bolts, and the bottom end of the ring-shifting rod 34 is connected to a discharge chute 19 for collecting the ring-shifting rod 34. The rear surface of the rocker arm support 27 is fixedly connected to a transmission rod 17. The bent end of the transmission rod 17 is hinged with a rotating block 16. The end of the rotating block 16 is hinged to the lower adjustment mechanism. In the working state, when the transfer mechanism reaches the position of the deflection material shifting mechanism and the eccentric wheel sensor 7 detects the position, the ring shifting motor 9 starts to work, and the ring shifting motor 9 drives the ring shifting eccentric wheel 6 to rotate one circle, and the ring shifting eccentric wheel 6 drives the rocker arm 8 to move synchronously. Since the rocker arm 8 is connected to the rocker arm support 27 and the connecting seat 26, the ring shifting rod 34 performs a circular motion under the drive of the ring shifting eccentric wheel 6, and drives the transmission rod 17 and the rotating block 16 to interact with the transmission plate 2 15. Through the circular motion of the ring shifting eccentric wheel 6, The ring-shifting piece 12 at the front end of the ring-shifting rod 34 shifts the piston ring 31 in the clamping die sleeve 10 out, and the piston ring 31 naturally slides to the specified position along the ring-shifting rod 34 and the unloading slide 19, thereby realizing the continuous removal of the piston ring 31 with a high degree of automation; the side of the ring-shifting eccentric wheel 6 is provided with an eccentric wheel sensor 7 for controlling the start and stop of the rotational movement and the position of the ring-shifting eccentric wheel 6. The model of the eccentric wheel sensor 7 is a commonly used structure on the market, and the principle of use is a mature technical means in this field, which makes the control of the ring-shifting eccentric wheel 6 more precise.

[0027] In order to avoid the elastic release of the piston ring 31 during the pulling out process, a baffle plate 13 fixedly connected to the side of the rocker arm support 27 is provided above the ring piece 12. The top of the baffle plate 13 is located above the clamping ring sleeve 10. The baffle plate 13 is set to an L-shaped structure, and the bent end of the baffle plate 13 is an arc-shaped structure. A U-shaped groove 30 is provided on the bottom surface of the baffle plate 13 for accommodating the entry of the connecting seat 26.

[0028] A ring handling motor 28 is installed on one side surface of the connecting seat 26, and a ring handling shaft 29 is provided on the other side surface of the connecting seat 26, which is driven by the ring handling motor 28 and passes through the inside of the U-shaped groove 30. The end of the ring handling shaft 29 is rotatably connected to the surface of the ring shifting rod 34. When the ring shifting rod 34 moves, the ring shifting piece 12 is driven to move, thereby hooking out the piston ring 31 in the clamping ring mold sleeve 10, and the piston ring 31 falls onto the surface of the ring shifting rod 34, and the ring handling motor 28 drives the ring handling shaft 29 to rotate, assisting the falling of the piston ring 31. The notch 33 on the piston ring 31 passes through the surface of the connecting seat 26, realizing the falling of the piston ring 31, and the piston ring 31 falls to the tilted The piston ring 31 is supported and limited on the unloading chute 19 by the snap fit seat 20, and the top width of the snap fit seat 20 is flush with the top width of the unloading chute 19, ensuring the stability of the piston ring 31 on the unloading chute 19, avoiding blockage of the piston ring 31 when unloading, and the unloading chute 19 is inclined.

[0029] A foot seat 22 is fixedly provided on the surface of the limit frame, and a support seat 21 is provided on one side of the foot seat 22. Two placement grooves 24 for accommodating the unloading chute 19 are provided on the surface of the support seat 21. The end face of the unloading chute 19 abuts against the side face of the foot seat 22. The end of the unloading chute 19 can be placed in the placement grooves 24 of different heights, which is convenient for adjusting the inclination angle of the unloading chute 19.

[0030] The transfer mechanism includes a reversing seat 32 slidably mounted on the surface of the machine body, a rotating motor 11 is installed on the top surface of the reversing seat 32, and a clamping ring die sleeve 10 is rotatably mounted on the side of the reversing seat 32. The inner cavity of the clamping ring die sleeve 10 fits the outer surface of the piston ring 31. After the processing is completed, the piston ring 31 is transferred to the position of the deflection material-moving mechanism through the transfer mechanism for automatic material removal; a notch 33 is opened on the end face of the piston ring 31, and the notch 33 enters the outside of the ring-moving rod 34 and passes through the connecting seat 26 to reach the end of the unloading slide 19.

[0031] The upper adjustment mechanism includes a transmission seat 2 fixedly connected to the top surface of the support stand 1, a threaded rod and a limit rod are provided inside the transmission seat 2, an adjustment handle 25 fixedly connected to the threaded rod inside the transmission seat 2 is installed on the top surface of the transmission seat 2, and a transmission seat 2 3 slidingly matched with the limit rod is slidably provided on the front side of the transmission seat 2, the threaded rod inside the transmission seat 2 3 is threadedly sleeved with a transmission plate 5 slidingly matched with the transmission seat 2 3, and a driving threaded rod movement adjustment handle 4 is installed on the side of the transmission seat 2 3, a dial ring eccentric wheel 6 is installed on one side surface of the bottom of the transmission plate 5, and a bottom surface of the transmission plate 5 is installed with a driving ring eccentric wheel 6 for driving the dial ring eccentric wheel 6 The rotating ring motor 9 can adjust the height of the transmission seat 2 3 by adjusting the handle 2 25, and the horizontal distance of the transmission plate 1 5 by adjusting the handle 1 4 to adapt to the removal of piston rings 31 with different inner diameters; the lower adjustment mechanism includes a transmission seat 3 14 installed on the bottom surface of the support stand 1, and the transmission seat 3 14 has the same internal structure as the transmission seat 1 2 and the transmission seat 2 3. The transmission plate 2 15 is slidably installed on the side surface of the transmission seat 3 14, and the top surface of the transmission seat 3 14 is installed with an adjusting handle 3 23. The surface of the transmission plate 2 15 is hinged to the end of the rotating block 16. The height of the transmission plate 2 15 can be adjusted by adjusting the handle 3 23 to adapt to the yaw movement of the transmission rod 17.

[0032] When the present invention is in use, the ring shifting eccentric 6 drives the rocker arm 8 to move synchronously. Since the rocker arm 8 is connected to the rocker arm support 27 and the connecting seat 26, the ring shifting rod 34 performs a circular motion under the drive of the ring shifting eccentric 6, and drives the transmission rod 17 and the rotating block 16 to interact with the transmission plate 2 15. Through the circular motion of the ring shifting eccentric 6, the ring shifting piece 12 at the front end of the ring shifting rod 34 shifts the piston ring 31 in the clamping die sleeve 10 out, and the piston ring 31 naturally slides to the specified position along the ring shifting rod 34 and the unloading chute 19, thereby realizing the continuous removal of the piston ring 31 and having a high degree of automation.

[0033] The ring sorting motor 28 drives the ring sorting shaft 29 to rotate, assisting the piston ring 31 to fall. The notch 33 on the piston ring 31 passes through the surface of the connecting seat 26, realizing the falling of the piston ring 31, and the piston ring 31 falls onto the unloading chute 19 of the inclined structure;

[0034] By setting up the upper adjustment mechanism and the lower adjustment mechanism, the height of the transmission seat 2 3 can be adjusted by adjusting the handle 2 25, and the horizontal distance of the transmission plate 1 5 can be adjusted by adjusting the handle 1 4 to adapt to the removal of piston rings 31 with different inner diameters; the height of the transmission plate 2 15 can be adjusted by adjusting the handle 3 23 to adapt to the yaw movement of the transmission rod 17.

[0035] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A piston ring unloading device, comprising a transfer mechanism for transferring a piston ring (31) and a support stand (1) fixedly connected to a machine body, characterized in that: The top surface of the support stand (1) is installed with an upper adjustment mechanism, and the bottom surface of the support stand (1) is installed with a lower adjustment mechanism, the surface of the upper adjustment mechanism is installed with a deflection material shifting mechanism, the deflection material shifting mechanism includes a shifting ring eccentric wheel (6) installed on the upper adjustment mechanism, a rocker arm (8) is rotatably installed on the surface of the shifting ring eccentric wheel (6), a rocker arm support (27) is fixedly installed on the bottom surface of the rocker arm (8), a shifting ring rod (34) is provided below the rocker arm support (27), and the top surface of the shifting ring rod (34) is fixedly mounted on the bottom surface of the rocker arm (8). A connecting seat (26) is fixedly provided between the bottom surface of the rocker arm support (27), a ring shifting plate (12) for unloading the piston ring (31) is installed on the top end of the ring shifting rod (34) through a bolt, and the bottom end of the ring shifting rod (34) is connected to a discharge slide (19) for collecting the piston ring (31), and a transmission rod (17) is fixedly connected to the rear surface of the rocker arm support (27), and the bent end of the transmission rod (17) is hinged to a rotating block (16), and the end of the rotating block (16) is hinged to the lower adjustment mechanism.

2. The piston ring removal device according to claim 1, characterized in that: A baffle plate (13) fixedly connected to the side of the rocker arm support (27) is provided above the shift ring plate (12), the baffle plate (13) being configured as an L-shaped structure, and the bent end of the baffle plate (13) being configured as an arc-shaped structure, and a U-shaped groove (30) for accommodating the entry of the connecting seat (26) is provided on the bottom surface of the baffle plate (13).

3. The piston ring removal device according to claim 2, characterized in that: A ring sorting motor (28) is mounted on one side surface of the connecting seat (26), and a ring sorting shaft (29) driven by the ring sorting motor (28) and passing through the inside of the U-shaped groove (30) is provided on the other side surface of the connecting seat (26), and the end of the ring sorting shaft (29) is rotatably connected to the surface of the ring shifting rod (34).

4. The piston ring removal device according to claim 1, characterized in that: A fixing frame (18) mounted on the machine body is provided on the front side of the deflection material dispensing mechanism, a limiting frame is installed on the bottom surface of one end of the fixing frame (18), and a snap seat (20) for limiting the position of the discharge chute (19) is installed on the other end surface of the fixing frame (18), the top width of the snap seat (20) is flush with the top width of the discharge chute (19), and the discharge chute (19) is inclined.

5. The piston ring removal device according to claim 4, characterized in that: A foot seat (22) is fixedly provided on the surface of the limiting frame, a support seat (21) is provided on one side of the foot seat (22), and two placement grooves (24) for accommodating a discharge chute (19) are provided on the surface of the support seat (21), and the end surface of the discharge chute (19) and the side surface of the foot seat (22) are in contact with each other.

6. The piston ring removal device according to claim 1, characterized in that: The transfer mechanism includes a reversing seat (32) slidably mounted on the surface of the machine body, a rotating motor (11) is mounted on the top surface of the reversing seat (32), and a clamping ring die sleeve (10) is rotatably mounted on the side surface of the reversing seat (32), the inner cavity of the clamping ring die sleeve (10) is in contact with the outer surface of the piston ring (31), and a notch (33) is provided on the end surface of the piston ring (31), and the notch (33) enters the outside of the ring-moving rod (34) and passes through the connecting seat (26) to reach the end of the unloading slide (19).

7. The piston ring removal device according to claim 1, characterized in that: The upper adjustment mechanism includes a transmission seat (2) fixedly connected to the top surface of the support stand (1), a threaded rod and a limit rod are arranged inside the transmission seat (2), an adjustment handle (25) fixedly connected to the threaded rod inside the transmission seat (2) is installed on the top surface of the transmission seat (2), and a transmission seat (3) slidingly matched with the limit rod is slidably arranged on the front side of the transmission seat (2), the threaded rod inside the transmission seat (3) is threadedly sleeved with a transmission plate (5) slidingly matched with the transmission seat (3), and an adjustment handle (4) driving the threaded rod to move is installed on the side of the transmission seat (3), a shifting ring eccentric wheel (6) is installed on one side surface of the bottom of the transmission plate (5), and a shifting ring motor (9) for driving the shifting ring eccentric wheel (6) to rotate is installed on the other side surface of the bottom of the transmission plate (5).

8. The piston ring removal device according to claim 7, characterized in that: The lower adjustment mechanism includes a transmission seat three (14) mounted on the bottom surface of the support stand (1), a transmission plate two (15) is slidably mounted on one side surface of the transmission seat three (14), and an adjustment handle three (23) is mounted on the top surface of the transmission seat three (14), and the surface of the transmission plate two (15) is hinged to the end of the rotating block (16).

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