CN116237561A

CN116237561A - Clamp for punching oil-free self-lubricating bearing

Info

Publication number: CN116237561A
Application number: CN202310447918.XA
Authority: CN
Inventors: 詹兴洪; 冯永清
Original assignee: Jiangsu Panshi Machinery Technology Co ltd
Current assignee: Jiangsu Panshi Machinery Technology Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-06-09
Anticipated expiration: 2043-04-24
Also published as: CN116237561B

Abstract

The invention relates to the technical field of bearing processing and discloses an oilless self-lubricating bearing punching clamp which comprises a punching seat, wherein a guide rail frame is arranged on the punching seat, two guide rail blocks are slidably arranged in the guide rail frame, a movable plate is arranged on the guide rail blocks, a driven shaft is rotatably arranged on the movable plate, a rotating plate is arranged at one end of the inner side of the driven shaft, a clamping mechanism for clamping a bearing ring is arranged on the rotating plate, a rotating mechanism for driving the rotating plate to intermittently rotate is arranged at one end, far away from the clamping mechanism, of the driven shaft, a transmission mechanism for driving the two rotating mechanisms to synchronously move is arranged between the upper sides of the movable plate, and a moving mechanism for changing the distance between the two clamping mechanisms is also arranged on the punching seat. The invention realizes the clamping requirements of bearing outer rings with different sizes and types, ensures that the bearing outer rings can intermittently rotate in the clamping and punching process under the cooperation of the rotating mechanism and the transmission mechanism, and further improves the punching application range.

Description

Clamp for punching oil-free self-lubricating bearing

Technical Field

The invention relates to the technical field of bearing machining, in particular to a clamp for punching an oilless self-lubricating bearing.

Background

The oil-free lubrication bearing is a bearing which can normally operate without adding a lubricant before or during use and has good antifriction effect. An oil-free lubrication bearing belongs to one of sliding bearings. The common sliding bearing needs to be added with lubricant such as lubricating oil, lubricating grease and the like before working, so that a lubricating film is formed on a friction surface to play an effective role in lubrication, and the oil-free sliding bearing can be used for a long time after being made of self-lubricating materials or being filled with the lubricant in advance and is sealed, and the lubricant is not needed to be added in the working process.

The oil-free self-lubricating bearing needs to punch the circular ring side wall of the oil-free self-lubricating bearing during processing, however, currently, the circular ring side walls of bearings with different types and sizes are all provided with clamp devices matched with each other for clamping, and when the circular ring side walls of bearings with different types are punched, the clamp devices need to be integrally replaced, so that the limitation of device use is caused, and further improvement is needed.

Disclosure of Invention

The invention aims to provide a clamp for punching an oilless self-lubricating bearing, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides an oilless self-lubricating bearing anchor clamps for punching, includes the seat that punches, install the guide rail frame on the seat that punches, guide rail frame inside slidable mounting has two guide rail blocks, installs the movable plate on the guide rail block, rotates on the movable plate and installs the driven shaft, and the rotor plate is installed to the inboard one end of driven shaft, is provided with the fixture that is used for carrying out the centre gripping to the bearing ring on the rotor plate, driven shaft keeps away from fixture one end and is provided with the rotary mechanism that is used for driving the rotor plate and carries out intermittent type pivoted, install the drive mechanism that is used for driving two rotary mechanism synchronous motion between the movable plate upside, still be provided with the moving mechanism that is used for changing the distance between two fixture on the seat that punches.

As an improvement scheme of the invention: the moving mechanism comprises fixed plates fixed at two ends of the guide rail frame, a moving shaft is rotatably arranged between the fixed plates, one end of the moving shaft penetrates through the fixed plates to be connected with a moving handle, and the moving shaft is connected with a moving plate through a threaded part.

As an improvement scheme of the invention: the threaded part comprises a threaded zone a arranged at one end of the moving shaft and a threaded zone b arranged at the other end, and the threads of the threaded zone a and the threaded zone b are opposite in rotation direction.

As an improvement scheme of the invention: the clamping mechanism comprises a movable ring rotatably mounted on the rotary plate and a fixed ring fixedly mounted on the rotary plate, the fixed ring is located on the inner side of the movable ring, a plurality of clamping columns are connected to the side wall of the fixed ring in a penetrating mode, the clamping rings are mounted on the inner sides of the clamping columns, clamping balls are mounted on the outer sides of the clamping columns and are in contact with a plurality of inclined plates fixed on the movable ring, and the clamping mechanism further comprises a locking assembly used for driving the movable ring to rotate and a reset portion used for driving the clamping rings to move backwards.

As an improvement scheme of the invention: the locking assembly comprises a locking frame fixed on the rotating plate, a screw is rotatably arranged on the locking frame, one end of the screw is rotatably provided with a locking tooth block arranged on the locking frame in a sliding manner, the locking tooth block is meshed with a plurality of locking ring teeth arranged on the outer wall of the movable ring, and the screw is far away from the locking tooth block and is also connected with a locking handle.

As an improvement scheme of the invention: the reset part comprises a baffle plate fixed on the clamping column, and a clamping spring is sleeved outside the clamping column between the baffle plate and the outer wall of the fixed ring.

As an improvement scheme of the invention: the rotating mechanism comprises a limiting plate fixed on the moving plate, a driving shaft is rotatably installed on the limiting plate, a driving part is arranged at the bottom of the driving shaft, and the driving part drives a driven part arranged on the driven shaft to intermittently rotate.

As an improvement scheme of the invention: the driving part comprises a driving plate fixed at the bottom of the driving shaft, a driving ring is arranged on one side of the edge of the driving plate, a driving frame is obliquely arranged on the other side of the edge of the driving plate, a driving column is arranged on the driving frame, the driven part comprises a driven shell fixed on a driven shaft, and driven grooves mutually matched with the driving ring and stirring grooves mutually matched with the driving column are respectively and alternately arranged on the driven shell.

As an improvement scheme of the invention: the transmission mechanism comprises gear sets fixed at the top of the driven shaft, one gear set is connected with a thick shaft which is rotatably arranged on the moving plate, the other gear set is connected with a thin shaft which is rotatably arranged on the moving plate, the thin shaft is connected with the thick shaft through a transmission part, and one end, far away from the transmission part, of the thin shaft is connected with an output end of a transmission motor.

As an improvement scheme of the invention: the transmission part comprises a transmission groove arranged at the end part of the thick shaft and a transmission bar fixed outside the thin shaft, and the transmission bar is arranged in the transmission groove in a sliding way.

Compared with the prior art, the invention has the beneficial effects that:

the oil-free self-lubricating bearing punching clamp is reasonable in structure, novel in design, and high in practicality and reliability, and the clamping mechanism and the moving mechanism are arranged to be matched with each other, so that the bearing outer rings of different sizes are required to be clamped, and meanwhile, under the matching of the rotating mechanism and the transmission mechanism, the bearing outer rings are ensured to intermittently rotate in the clamping and punching process, so that the punching application range is further improved.

Drawings

FIG. 1 is a schematic overall elevational view of the present invention;

FIG. 2 is a schematic top view of the overall structure of the present invention;

FIG. 3 is a schematic view of a clamping mechanism according to the present invention;

FIG. 4 is a schematic view of a rotary mechanism according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 1A in a partially enlarged manner;

fig. 6 is a schematic view of a partial enlarged structure of B in fig. 3.

In the figure: 1. a punching seat; 2. a movable shaft; 3. a fixing plate; 4. a guide rail frame; 5. a guide rail block; 6. a threaded zone a; 7. a threaded zone b; 8. moving the handle; 9. a drive motor; 10. a moving plate; 11. a limiting plate; 12. a driving shaft; 13. a gear set; 14. a thick shaft; 15. a thin shaft; 16. a driven shaft; 17. a rotating plate; 18. a transmission bar; 19. a driving frame; 20. an active column; 21. a driven housing; 22. a driven groove; 23. a toggle groove; 24. a drive ring; 25. an active plate; 26. a locking frame; 27. locking the tooth block; 28. a screw; 29. a locking handle; 30. a movable ring; 31. locking ring teeth; 32. a fixing ring; 33. a clamping ring; 34. a sloping plate; 35. a clamping column; 36. clamping the ball; 37. a baffle; 38. clamping springs.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.

The invention will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1 to 6, in the embodiment of the invention, an oilless self-lubricating bearing punching fixture comprises a punching seat 1, wherein a guide rail frame 4 is installed on the punching seat 1, two guide rail blocks 5 are slidably installed inside the guide rail frame 4, a dovetail groove structure is arranged inside the guide rail frame 4, the bottom of each guide rail block 5 is of a trapezoid block structure, so that the stability of the guide rail block 5 moving inside the guide rail frame 4 is ensured, a moving plate 10 is installed on each guide rail block 5, a driven shaft 16 is rotatably installed on the moving plate 10, a rotating plate 17 is installed at one end of the inner side of the driven shaft 16, a clamping mechanism for clamping a bearing ring is arranged on the rotating plate 17, a rotating mechanism for driving the rotating plate 17 to intermittently rotate is arranged at one end of the driven shaft 16 away from the clamping mechanism, and a moving mechanism for changing the distance between the two clamping mechanisms is also arranged on the punching seat 1.

In one case of the embodiment, the moving mechanism comprises fixed plates 3 fixed at two ends of the guide rail frame 4, a moving shaft 2 is rotatably installed between the fixed plates 3, one end of the moving shaft 2 passes through the fixed plates 3 and is connected with a moving handle 8, and the moving shaft 2 is connected with a moving plate 10 through a threaded part.

In addition, in the present embodiment, the screw portion includes a screw region a6 provided at one end of the moving shaft 2 and a screw region b7 provided at the other end, the screw directions of the screw region a6 and the screw region b7 being opposite.

When the distance between the two clamping mechanisms needs to be changed, the worker only needs to rotate the movable handle 8, and then under the cooperation of the threaded parts, the moving directions of the two movable plates 10 are opposite, and finally the quick change of the distance between the two clamping mechanisms is realized.

In a preferred case of this embodiment, the clamping mechanism includes a movable ring 30 rotatably mounted on the rotary plate 17 and a fixed ring 32 fixedly mounted on the rotary plate 17, the fixed ring 32 is located inside the movable ring 30, a plurality of clamping posts 35 are connected to the side wall of the fixed ring 32 in a penetrating manner, a clamping ring 33 is mounted inside the clamping posts 35, clamping balls 36 are mounted outside the clamping posts 35, the clamping balls 36 are in contact with a plurality of inclined plates 34 fixed on the movable ring 30, and the clamping mechanism further includes a locking assembly for driving the movable ring 30 to rotate and a reset portion for driving the clamping ring 33 to move back.

By utilizing the rotation of the movable ring 30 on the rotary plate 17, the inclined edge of the inclined plate 34 is continuously extruded to the clamping column 35 when contacting with the clamping ball 36, and finally, the axial positions of the plurality of clamping rings 33 and the fixed ring 32 are synchronously changed, so that the clamping requirement of the bearing outer ring is finally met.

In addition, in this embodiment, the locking assembly includes a locking frame 26 fixed on the rotating plate 17, a screw 28 is rotatably installed on the locking frame 26, one end of the screw 28 is rotatably installed with a locking tooth block 27 slidably disposed on the locking frame 26, the locking tooth block 27 is meshed with a plurality of locking ring teeth 31 disposed on the outer wall of the movable ring 30, and a locking handle 29 is further connected to the screw 28 away from the locking tooth block 27.

The reset portion comprises a baffle 37 fixed on the clamping column 35, and a clamping spring 38 is sleeved outside the clamping column 35 between the baffle 37 and the outer wall of the fixed ring 32.

When the bearing outer rings with different diameter sizes are required to be clamped, two sides of the bearing outer ring are placed inside the fixed ring 32, then the locking handle 29 is rotated, and then the locking tooth block 27 is movably engaged along the outer side of the locking ring tooth 31, so that the movable ring 30 is finally ensured to be changed at a certain angle.

In order to further enable the bearing outer ring in the clamping state to rotate and further ensure the punching requirement, in this embodiment, the rotating mechanism includes a limiting plate 11 fixed on the moving plate 10, a driving shaft 12 is rotatably installed on the limiting plate 11, a driving part is arranged at the bottom of the driving shaft 12, and the driving part drives a driven part arranged on the driven shaft 16 to intermittently rotate.

The driving part comprises a driving plate 25 fixed at the bottom of the driving shaft 12, a driving ring 24 is installed on one side of the edge of the driving plate 25, a driving frame 19 is installed on the other side of the edge of the driving plate, a driving column 20 is installed on the driving frame 19, the driven part comprises a driven shell 21 fixed on the driven shaft 16, and driven grooves 22 mutually matched with the driving ring 24 and toggle grooves 23 mutually matched with the driving column 20 are alternately arranged on the driven shell 21 respectively.

When the driving shaft 12 rotates, the driving ring 24 and the driving frame 19 arranged on the driving plate 25 synchronously rotate, when the driving column 20 moves to the stirring groove 23, the driven shaft 16 drives the whole rotating plate 17 to rotate, and in the continuous moving process of the driven shell 21, the driving ring 24 is matched with the driven groove 22, so that the position of the driven shaft 16 after rotating for a certain angle is maintained, and the intermittent movement stability of the rotating mechanism is further ensured.

Example 2

In order to enable the synchronism of the two clamping mechanisms in movement and thus improve the punching precision, the invention also provides another embodiment, which is different from the embodiment above in that a transmission mechanism for driving the two rotating mechanisms to synchronously move is arranged between the upper sides of the moving plate 10, the transmission mechanism comprises a gear set 13 fixed on the top of a driven shaft 16, one gear set 13 is connected with a thick shaft 14 rotatably arranged on the moving plate 10, the other gear set 13 is connected with a thin shaft 15 rotatably arranged on the moving plate 10, the thin shaft 15 is connected with the thick shaft 14 through a transmission part, and one end of the thin shaft 15 far away from the transmission part is connected with the output end of a transmission motor 9.

The transmission part comprises a transmission groove arranged at the end part of the thick shaft 14 and a transmission bar 18 fixed outside the thin shaft 15, and the transmission bar 18 is arranged in the transmission groove in a sliding way.

The cooperation between the drive grooves and the drive strips 18 is such that the two clamping mechanisms, when changing the distance between each other, do not yet affect the torque transmission between them, and eventually the intermittent movement of the two rotating mechanisms is synchronized.

The working principle of the invention is as follows: firstly, the two sides of the ring are placed on the inner side of the fixed ring 32, then the two clamping mechanisms are mutually close by rotating the movable handle 8, then the locking handle 29 is rotated, the movable ring 30 is changed at a certain angle, finally the side wall of the bearing ring is clamped under the cooperation of the clamping ring 33, so that the clamping action of the bearing during punching is completed, when the bearing needs to be punched, the transmission motor 9 is started, the bearing ring is intermittently rotated at a certain angle, and then the purpose of punching the side wall of the bearing ring is realized under the cooperation of the punching device.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. The utility model provides an oilless self-lubricating bearing anchor clamps for punching, includes base (1) of punching, its characterized in that: install guide rail frame (4) on punching seat (1), guide rail frame (4) inside slidable mounting has two guide rail blocks (5), installs movable plate (10) on guide rail block (5), rotates on movable plate (10) and installs driven shaft (16), and rotor plate (17) are installed to driven shaft (16) inboard one end, are provided with the fixture that is used for carrying out the centre gripping to the bearing ring on rotor plate (17), driven shaft (16) keep away from fixture one end and are provided with the rotary mechanism that is used for driving rotor plate (17) and carry out intermittent type pivoted, install the drive mechanism that is used for driving two rotary mechanism synchronous motion between movable plate (10) upside, still be provided with the moving mechanism that is used for changing the distance between two fixture on punching seat (1).

2. The fixture for oil-free self-lubricating bearing punching according to claim 1, wherein the moving mechanism comprises fixed plates (3) fixed at two ends of the guide rail frame (4), a moving shaft (2) is rotatably installed between the fixed plates (3), one end of the moving shaft (2) penetrates through the fixed plates (3) to be connected with a moving handle (8), and the moving shaft (2) is connected with a moving plate (10) through a threaded part.

3. The fixture for oil-free self-lubricating bearing punching according to claim 2, wherein the threaded portion comprises a threaded region a (6) arranged at one end of the moving shaft (2) and a threaded region b (7) arranged at the other end, and the threaded directions of the threaded region a (6) and the threaded region b (7) are opposite.

4. The oil-free self-lubricating bearing punching clamp according to claim 1, wherein the clamping mechanism comprises a movable ring (30) rotatably mounted on a rotary plate (17) and a fixed ring (32) fixedly mounted on the rotary plate (17), the fixed ring (32) is positioned on the inner side of the movable ring (30), a plurality of clamping columns (35) are connected to the side wall of the fixed ring (32) in a penetrating manner, a clamping ring (33) is mounted on the inner side of the clamping columns (35), clamping balls (36) are mounted on the outer side of the clamping columns (35), the clamping balls (36) are in mutual contact with a plurality of inclined plates (34) fixed on the movable ring (30), and the clamping mechanism further comprises a locking assembly for driving the movable ring (30) to rotate and a reset part for driving the clamping rings (33) to move backwards.

5. The oil-free self-lubricating bearing punching clamp according to claim 4, wherein the locking assembly comprises a locking frame (26) fixed on the rotating plate (17), a screw (28) is rotatably arranged on the locking frame (26), one end of the screw (28) is rotatably provided with a locking tooth block (27) which is slidably arranged on the locking frame (26), the locking tooth block (27) is meshed with a plurality of locking ring teeth (31) arranged on the outer wall of the movable ring (30), and the screw (28) is far away from the locking tooth block (27) and is also connected with a locking handle (29).

6. The oil-free self-lubricating bearing punching clamp according to claim 5, wherein the reset portion comprises a baffle plate (37) fixed on the clamping column (35), and a clamping spring (38) is sleeved outside the clamping column (35) between the baffle plate (37) and the outer wall of the fixed ring (32).

7. The fixture for oil-free self-lubricating bearing punching according to claim 1, wherein the rotating mechanism comprises a limiting plate (11) fixed on the moving plate (10), a driving shaft (12) is rotatably mounted on the limiting plate (11), a driving part is arranged at the bottom of the driving shaft (12), and the driving part drives a driven part arranged on the driven shaft (16) to intermittently rotate.

8. The oil-free self-lubricating bearing punching clamp according to claim 7, wherein the driving part comprises a driving plate (25) fixed at the bottom of the driving shaft (12), a driving ring (24) is installed on one side of the edge of the driving plate (25), a driving frame (19) is obliquely installed on the other side of the edge of the driving plate (25), a driving column (20) is installed on the driving frame (19), the driven part comprises a driven shell (21) fixed on the driven shaft (16), and driven grooves (22) mutually matched with the driving ring (24) and toggle grooves (23) mutually matched with the driving column (20) are alternately arranged on the driven shell (21) respectively.

9. The oil-free self-lubricating bearing punching clamp according to claim 1, characterized in that the transmission mechanism comprises gear sets (13) fixed at the top of a driven shaft (16), one gear set (13) is connected with a thick shaft (14) rotatably arranged on a moving plate (10), the other gear set (13) is connected with a thin shaft (15) rotatably arranged on the moving plate (10), the thin shaft (15) is connected with the thick shaft (14) through a transmission part, and one end, far away from the transmission part, of the thin shaft (15) is connected with the output end of a transmission motor (9).

10. The oil-free self-lubricating bearing punching clamp according to claim 9, wherein the transmission part comprises a transmission groove arranged at the end part of the thick shaft (14) and a transmission bar (18) fixed outside the thin shaft (15), and the transmission bar (18) is slidably arranged in the transmission groove.