A rotating disc device for piston rod assembly

Abstract

The present invention relates to a turntable device for assembling a piston rod, comprising a bottom plate, a divider, a lower turntable, a column, an upper turntable, a guide column, a middle turntable, and a three-claw cylinder. Two horizontal shafts are rotatably connected to the bottom plate, and active bevel gears are provided at both ends of the horizontal shafts. A hollow bevel gear is rotatably connected to the bottom plate, and the hollow bevel gear meshes with the active bevel gear. The inner hole thread of the hollow bevel gear is matched with a lifting screw, and a guide seat is fixedly connected to the top of the lifting screw. The middle turntable is rotatably connected to the guide seat, and two horizontal shafts are drivingly connected. A driving bevel gear meshes on a hollow bevel gear, and an adjustment shaft is provided on the driving bevel gear, and a hand wheel is provided on the adjustment shaft. The present invention ensures that the top of the piston rod is always kept at the same height during the assembly process, which is convenient for the assembly mechanism to realize assembly. The divider and the three-claw cylinders distributed in a ring array are used to realize the sequential circulation of the piston rod in each station. For piston rods of different specifications, the equipment investment cost is reduced and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cylinder production and design, and in particular to a turntable device for assembling a piston rod. Background Art

[0002] The cylinder is mainly composed of a piston, a cylinder body and a piston rod. Due to work requirements, the length and outer diameter of the piston rod are different. Therefore, different production lines need to be modified for piston rods of different specifications during the automated assembly process, which increases production costs and reduces production efficiency. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a turntable device for assembling a piston rod.

[0004] The technical solution adopted by the present invention to solve its technical problem is: a turntable device for piston rod assembly, comprising a bottom plate connected to a frame, a divider arranged on the bottom plate, a lower turntable arranged on a rotating shaft of the divider, a column vertically arranged at the center of the lower turntable, an upper turntable arranged on the top of the column, a guide column connecting the lower turntable and the upper turntable, a middle turntable slidably connected to the guide column, and a three-claw cylinder in a circular array along the edge of the middle turntable, wherein the bottom plate is rotatably connected to two horizontal shafts arranged horizontally, and the two ends of the horizontal shaft are provided with A driving bevel gear, a hollow bevel gear with a vertical axis is rotatably connected on the bottom plate, the hollow bevel gear is meshed with the driving bevel gear, the inner hole thread of the hollow bevel gear is matched with a lifting screw, the top of the lifting screw is fixedly connected with a guide seat, the turntable is rotatably connected to the guide seat, the turntable is provided with a main control valve, the main control valve is control-connected to the three-claw cylinder, the two horizontal axes are drive-connected, a driving bevel gear is meshed on one of the hollow bevel gears, the driving bevel gear is provided with an adjustment shaft, and the adjustment shaft is provided with a hand wheel.

[0005] In the above design, the gears at both ends of the horizontal axis are engaged with the matching gears on the lifting screw to realize the lifting of the guide seat, and the three-claw cylinder is used to clamp the piston rods of different heights and outer diameters, ensuring that the top of the piston rod is always maintained at the same height during the assembly process, which is convenient for the assembly mechanism to realize assembly. The divider and the three-claw cylinder distributed in a circular array are used to realize the sequential flow of the piston rod in each workstation. For piston rods of different specifications, there is no need to modify the production line, which reduces the equipment investment cost and improves production efficiency.

[0006] As a further improvement of the present design, a support roller and a limit roller are provided on the top of the guide seat, the support roller surface is in contact with the bottom of the central turntable, and the limit roller surface is in contact with the top of the central turntable. The cooperation between the support roller and the limit roller facilitates the support and guidance of the central turntable, thereby ensuring the smooth rotation of the central turntable.

[0007] As a further improvement of the present design, sprockets are provided on the two horizontal axes, and chains are connected between the sprockets. The sprockets facilitate power transmission between the horizontal axes, so that only one hand wheel needs to be adjusted during adjustment, which is convenient and can ensure the synchronization of each lifting screw.

[0008] As a further improvement of the present design, a tension seat and a slide seat slidably connected to the tension seat up and down are provided on the lower turntable; a tensioning sprocket which cooperates with the chain is rotatably connected to the slide seat; a vertical tension screw is threadedly engaged on the tension seat; the bottom of the tension screw rests against the top of the slide seat, effectively preventing the chain from detaching; and the tension mechanism is simple.

[0009] As a further improvement of the present design, an altimeter is provided on the adjustment shaft to facilitate accurate knowledge of the adjustment height during adjustment.

[0010] As a further improvement of the present design, the upper turntable is provided with a clamping cylinder corresponding to the three-claw cylinder one by one, the clamping claw of the clamping claw cylinder is provided with a clamping seat, the clamping seat is provided with a vertical slide, the upper turntable is rotatably connected with a swing rod, the rotation axis of the swing rod is horizontal, the bottom of the swing rod cooperates with the slide, the top of the swing rod is provided with a clamping rod extending horizontally above the three-claw cylinder, the axis of the clamping rod is parallel to the rotation axis of the swing rod, the clamping rod is provided with an annular clamping groove, and the upper turntable is provided with an auxiliary control valve, which is respectively controlled and connected with the clamping claw cylinder one by one. The swing rod controlled by the clamping claw cylinder is convenient for enlarging the stroke of the clamping claw, realizing auxiliary clamping of the piston rod with a larger outer diameter, and ensuring the stability of the piston rod.

[0011] As a further improvement of the present design, a locking block is provided on the central rotating disk, and a C-shaped hole is provided on the locking block to cooperate with the guide column. A locking screw with a handle is threadedly connected to the locking block, and the locking screw passes through both sides of the C-shaped hole opening. The end of the locking screw facing away from the handle is threadedly engaged with the locking block. The locking block is locked by the C-shaped hole, which has a simple structure and is easy to adjust.

[0012] As a further improvement of the present design, the main control valve is a mechanical control valve, a lower control cylinder is provided on the guide seat, and the lower control cylinder is provided with a main control pressure head for driving the control end of the main control valve. The mechanical control valve is used in conjunction with the lower control cylinder on the guide seat to reduce the number of air pipes entering the intermediate turntable and facilitate the arrangement of the air pipes.

[0013] As a further improvement of the present design, the frame is provided with a top plate extending to the top of the upper turntable, the top plate is provided with an upper control cylinder, and the cylinder rod of the upper control cylinder is provided with an auxiliary control pressure head for driving the control end of the auxiliary control valve. The mechanical control valve is used to cooperate with the upper control cylinder on the top plate, so as to reduce the number of air pipes entering the middle turntable and facilitate the arrangement of the air pipes.

[0014] The beneficial effects of the present invention are as follows: the present invention utilizes the gears at both ends of the horizontal axis to mesh with the matching gears on the lifting screw to realize the lifting and lowering of the guide seat, and realizes the clamping of piston rods of different heights and outer diameters by the three-claw cylinder, thereby ensuring that the top of the piston rod is always maintained at the same height during the assembly process, facilitating the assembly of the assembly mechanism, and using a divider and a three-claw cylinder distributed in a ring array to realize the sequential flow of the piston rod in each workstation. For piston rods of different specifications, there is no need to modify the production line, thereby reducing equipment investment costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0017] Figure 2 It is a horizontal cross-sectional schematic diagram of the present invention.

[0018] Figure 3 It is a schematic diagram of the cooperation between the clamping claw cylinder and the swing rod of the present invention.

[0019] In the figure, 1. bottom plate, 2. locking block, 3. tension seat, 4. lower control cylinder, 5. middle turntable, 6. three-claw cylinder, 7. column, 8. lower turntable, 9. driving bevel gear, 10. adjustment shaft, 11. height gauge, 12. hand wheel, 13. auxiliary control pressure head, 14. auxiliary control valve, 15. upper control cylinder, 16. top plate, 17. upper turntable, 18. tension sprocket, 19. hollow bevel gear, 20. driving bevel gear, 21. Sprocket, 22. Horizontal axis, 23. Slide seat, 24. Tension screw, 25. Chain, 26. Guide column, 27. Lifting screw, 28. Divider, 29. Guide seat, 30. Gripper cylinder, 31. Slide groove, 32. Clamping seat, 33. Rocker arm, 34. Annular clamping groove, 35. Handle, 36. Locking screw, 37. C-shaped hole, 38. Main control pressure head, 39. Limit roller, 40. Support roller, 41. Main control valve. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the illustrative embodiments and descriptions are only used to explain the present invention but are not intended to limit the present invention.

[0021] Embodiment: A turntable device for piston rod assembly, comprising a bottom plate 1 connected to a frame, a divider 28 arranged on the bottom plate 1, a lower turntable 8 arranged on the rotating shaft of the divider 28, a column 7 vertically arranged at the center of the lower turntable 8, an upper turntable 17 arranged on the top of the column 7, a guide column 26 connecting the lower turntable 8 and the upper turntable 17, a middle turntable 5 slidably connected to the guide column 26, and a three-claw cylinder 6 in a circular array along the edge of the middle turntable 5, two horizontal shafts 22 arranged horizontally are rotatably connected to the bottom plate 1, and active bevel gears 20 are arranged at both ends of the horizontal shaft 22, and the bottom plate 1 A hollow bevel gear 19 with a vertical axis is rotatably connected on the upper surface, and the hollow bevel gear 19 is meshed with the active bevel gear 20. The inner hole thread of the hollow bevel gear 19 is matched with a lifting screw 27. A guide seat 29 is fixedly connected to the top of the lifting screw 27. The turntable 5 is rotatably connected to the guide seat 29. A main control valve 41 is provided on the turntable 5, and the main control valve 41 is control-connected to the three-claw cylinder 6. The two horizontal shafts 22 are drive-connected, and a driving bevel gear 9 is meshed with one of the hollow bevel gears 19. The driving bevel gear 9 is provided with an adjusting shaft 10, and the adjusting shaft 10 is provided with a hand wheel 12.

[0022] In the above design, the gears at both ends of the horizontal shaft 22 are engaged with the matching gears on the lifting screw 27 to realize the lifting and lowering of the guide seat 29, and the three-claw cylinder 6 is used to clamp the piston rods of different heights and outer diameters, ensuring that the top of the piston rod is always maintained at the same height during the assembly process, which is convenient for the assembly mechanism to realize assembly. The divider 28 and the three-claw cylinder 6 distributed in a ring array are used to realize the sequential flow of the piston rod in each workstation. For piston rods of different specifications, there is no need to modify the production line, which reduces the equipment investment cost and improves production efficiency.

[0023] As a further improvement of the present design, a support roller 40 and a limit roller 39 are provided on the top of the guide seat 29, the wheel surface of the support roller 40 is in contact with the bottom of the central turntable 5, and the wheel surface of the limit roller 39 is in contact with the top surface of the central turntable 5. The cooperation between the support roller 40 and the limit roller 39 facilitates the support and guidance of the central turntable 5, thereby ensuring the smooth rotation of the central turntable 5.

[0024] As a further improvement of the present design, sprockets 21 are provided on the two horizontal shafts 22, and chains 25 are connected between the sprockets 21. The sprockets 21 facilitate power transmission between the horizontal shafts 22, so that only one hand wheel 12 needs to be adjusted during adjustment, which is convenient for adjustment and can ensure the synchronization of each lifting screw 27.

[0025] As a further improvement of the present design, the lower turntable 8 is provided with a tension seat 3 and a slide seat 23 which is slidably connected to the tension seat 3 up and down; the slide seat 23 is rotatably connected with a tensioning sprocket 18 which cooperates with the chain 25; the tension seat 3 is threaded with a vertical tension screw 24; the bottom of the tension screw 24 abuts against the top of the slide seat 23, which effectively prevents the chain 25 from detaching; and the tension mechanism is simple.

[0026] As a further improvement of the present design, an altimeter 11 is provided on the adjustment shaft 10 to facilitate accurate knowledge of the adjustment height during adjustment.

[0027] As a further improvement of the present design, the upper turntable 17 is provided with a clamping cylinder 30 corresponding to the three-claw cylinder 6, the clamping claw of the clamping cylinder 30 is provided with a clamping seat 32, the clamping seat 32 is provided with a vertical slide 31, the upper turntable 17 is rotatably connected with a swing rod 33, the rotation axis of the swing rod 33 is horizontal, the bottom of the swing rod 33 cooperates with the slide 31, the top of the swing rod 33 is provided with a clamping rod extending horizontally above the three-claw cylinder 6, the axis of the clamping rod is parallel to the rotation axis of the swing rod 33, the clamping rod is provided with an annular clamping groove 34, and the upper turntable 17 is provided with an auxiliary control valve 14, which is respectively controlled and connected with the clamping cylinder 30 in a one-to-one correspondence. The swing rod 33 controlled by the clamping cylinder 30 is convenient for enlarging the stroke of the clamping claw, realizing auxiliary clamping of a piston rod with a larger outer diameter, and ensuring the stability of the piston rod.

[0028] As a further improvement of the present design, a locking block 2 is provided on the central rotating disk 5, and a C-shaped hole 37 is provided on the locking block 2 to cooperate with the guide column 26. A locking screw 36 with a handle 35 is threadedly connected to the locking block 2, and the locking screw 36 passes through both sides of the opening of the C-shaped hole 37. The end of the locking screw 36 away from the handle 35 is threadedly engaged with the locking block 2. The locking block 2 is locked by the C-shaped hole 37, and has a simple structure and is easy to adjust.

[0029] As a further improvement of the present design, the main control valve 41 is a mechanical control valve, and a lower control cylinder 4 is provided on the guide seat 29, and the lower control cylinder 4 is provided with a main control pressure head 38 for driving the control end of the main control valve 41. The mechanical control valve is used in conjunction with the lower control cylinder 4 on the guide seat 29, so as to reduce the number of air pipes entering the intermediate turntable and facilitate the arrangement of the air pipes.

[0030] As a further improvement of the present design, the frame is provided with a top plate 16 extending to the top of the upper turntable 17, the top plate 16 is provided with an upper control cylinder 15, and the cylinder rod of the upper control cylinder 15 is provided with an auxiliary control pressure head 13 driving the control end of the auxiliary control valve 14. The mechanical control valve is used to cooperate with the upper control cylinder 15 on the top plate 16, so as to reduce the number of air pipes entering the middle turntable and facilitate the arrangement of the air pipes.

[0031] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A turntable device for piston rod assembly, characterized in that: The present invention relates to a gear train controlled by a plurality of gears, and the gear train is composed of a plurality of gears, and the gears are connected to each other with a plurality of gears, and the gears are connected with each other with a plurality of gears. The gear train is composed of a plurality of gears, and the gears are connected with each other with a plurality of gears. The gear train is composed of a plurality of gears, and the gears are connected with each other with a plurality of gears. The main control valve is control-connected with the three-claw cylinder, the two horizontal shafts are drive-connected, one of the hollow bevel gears is meshed with a driving bevel gear, the driving bevel gear is provided with an adjusting shaft, and the adjusting shaft is provided with a hand wheel; the upper turntable is provided with a clamping cylinder corresponding to the three-claw cylinder one-to-one, the clamping claw of the clamping cylinder is provided with a clamping seat, the clamping seat is provided with a vertical slide groove, the upper turntable is rotatably connected with a swing rod, the rotation axis of the swing rod is horizontal, the bottom of the swing rod cooperates with the slide groove, the top of the swing rod is provided with a clamping rod extending horizontally above the three-claw cylinder, the axis of the clamping rod is parallel to the rotation axis of the swing rod, the clamping rod is provided with an annular clamping groove, and the upper turntable is provided with an auxiliary control valve, and the auxiliary control valves are control-connected with the clamping claw cylinders one-to-one; A locking block is provided on the central turntable, and a C-shaped hole is provided on the locking block to cooperate with the guide column. A locking screw with a handle is threadedly connected to the locking block, and the locking screw passes through both sides of the C-shaped hole opening. The end of the locking screw facing away from the handle cooperates with the locking block thread.

2. A piston rod assembly turntable device according to claim 1, characterized in that: A supporting roller and a limiting roller are provided on the top of the guide seat. The wheel surface of the supporting roller is in contact with the bottom of the central rotating disk, and the wheel surface of the limiting roller is in contact with the top surface of the central rotating disk.

3. A piston rod assembly turntable device according to claim 1, characterized in that: Sprocket wheels are arranged on the two horizontal shafts, and chains are connected between the sprocket wheels.

4. A piston rod assembly turntable device according to claim 3, characterized in that: The lower turntable is provided with a tension seat and a slide seat connected to the tension seat for upward and downward sliding movement; the slide seat is rotatably connected with a tensioning sprocket matched with the chain; the tension seat is threadedly matched with a vertical tension screw rod, and the bottom of the tension screw rod abuts against the top of the slide seat.

5. A piston rod assembly turntable device according to claim 1, characterized in that: An altimeter is arranged on the adjusting shaft.

6. A piston rod assembly turntable device according to claim 1, characterized in that: The main control valve is a mechanical control valve. A lower control cylinder is disposed on the guide seat. The lower control cylinder is provided with a main control pressure head for driving the control end of the main control valve.

7. A piston rod assembly turntable device according to claim 1, characterized in that: The frame is provided with a top plate extending to the top of the upper turntable, the top plate is provided with an upper control cylinder, and the cylinder rod of the upper control cylinder is provided with an auxiliary control pressure head driving the control end of the auxiliary control valve.

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