Reaming device for forging bearing ring

Abstract

The utility model particularly relates to a broaching device for forging a bearing ring, which comprises a frame, a carrier plate is fixedly mounted in the middle of the frame, a cavity is arranged at the upper end of the carrier plate, a rotating plate is rotatably mounted on the upper side of the cavity, and a plurality of mutually attached positioning fixture blocks are slidably mounted between the cavity and the rotating plate. A first inserting cavity is formed in the upper end of the rotating plate, a second inserting cavity is formed in the upper end of the concave cavity, a hydraulic push rod is fixedly installed at the upper end of the outer wall of the frame, a movable frame fixedly connected with an output shaft of the hydraulic push rod is arranged on the upper side of the carrying plate, and a driving motor is fixedly installed in the movable frame. The lower end of the driving motor is fixedly provided with a reaming punch through an output shaft of the driving motor, the bottom of an inner cavity of the concave cavity is provided with a first limiting sliding groove connected with the first limiting sliding block in a sliding mode, the reaming punch is matched with the first inserting cavity and the second inserting cavity, bearing rings with different outer wall diameters can be positioned, and the reaming effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to the production and processing of bearing rings, in particular to a hole expanding device used for forging bearing rings. Background Art

[0002] As the core component of rolling bearings, it provides a raceway for rolling elements and bears loads and lubrication, and adjusts tightness and guides movement, so that bearing rings are widely used in rotating structures such as gear shafts. In order to adjust the radius of the inner ring of the bearing ring and improve its performance, it is necessary to use a hole reaming device to process it. For example, the patent document with publication number CN218744620U in the prior art provides a hole reaming device for processing bearing ring forgings; the device first places the bearing part to be processed into the placement groove through a second motor, a gear, a gear rod, a fixing block, a cleaning shovel rod and a collection box, so that the bearing part to be processed contacts the magnet, and then controls the electric hydraulic rod to drive the first motor and the rolling roller to move downward, so that the first motor drives the rolling roller to rotate to reame the inner hole of the bearing part to be processed;

[0003] However, the fixing frame and placement groove of the device are both fixed, and the outer diameters of the existing bearing rings of various specifications are different. This results in the placement structure of this type of fixed structure being unable to position the bearing rings with changing outer diameters, which obviously has a major defect. For this reason, we propose a hole expansion device for forging bearing rings. Utility Model Content

[0004] The purpose of the utility model is to provide a hole expanding device for forging a bearing ring, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reaming device for forging bearing rings, comprising a frame, a carrier plate fixedly installed in the middle of the frame, a concave cavity being provided at the upper end of the carrier plate, a rotating plate being rotatably installed on the upper side of the concave cavity, a plurality of mutually fitting positioning blocks being slidably installed between the concave cavity and the rotating plate, a first insertion cavity being provided at the upper end of the rotating plate, a second insertion cavity being provided at the upper end of the concave cavity, a hydraulic push rod being fixedly installed at the upper end of the outer wall of the frame, a movable frame fixedly connected to the output shaft of the hydraulic push rod being provided on the upper side of the carrier plate, a driving motor being fixedly installed in the movable frame, a reaming punch being fixedly installed at the lower end of the driving motor through its output shaft, and the reaming punch matching the first insertion cavity and the second insertion cavity.

[0006] Preferably, each of the positioning blocks is fixedly mounted with a second limit slider and a first limit slider at the upper and lower ends, a first limit slot is provided at the bottom of the inner cavity of the concave cavity, and a second limit slot is provided at the lower end of the rotating plate, which is slidably connected to the second limit slider.

[0007] Preferably, a limited rotating seat fixedly connected to the upper end of the carrier plate is provided on the upper side of the concave cavity, the rotating plate is rotatably installed on the upper end of the limited rotating seat, a driven gear ring is fixedly installed on the periphery of the rotating plate, a limited rotating cavity is opened on the upper end of the carrier plate, and a driving gear meshing with the driven gear ring is rotatably installed in the limited rotating cavity.

[0008] Preferably, a limited rotation hole and a second positioning gear hole are respectively provided on both sides of the limited rotation cavity, a movable sleeve rotatably connected to the limited rotation hole is fixedly installed in the middle of the driving gear, a first positioning gear hole matching the second positioning gear hole is provided at the inner end of the movable sleeve, and a positioning gear block is inserted into the second positioning gear hole and the first positioning gear hole.

[0009] Preferably, the outer wall of the frame is provided with a through hole which is interconnected with the limiting rotation hole, a movable handle is provided in the through hole, the positioning gear block is fixedly mounted on the inner end of the movable handle, and a movable plate which is slidably connected to the inner cavity of the movable sleeve is fixedly mounted on the periphery of the movable handle, and a spring which is sleeved on the periphery of the movable handle is fixedly mounted between the movable plate and the inner wall of the movable sleeve.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] This reaming device for forging bearing rings uses sliding connections between each positioning block and the concave cavity and the rotating plate, so that the rotating rotating plate can drive each positioning block to shrink inward or expand outward, thereby making each positioning block fit against the periphery of the bearing ring. When the outer diameter of the bearing ring changes, it can still be positioned, and in conjunction with a hydraulic push rod, a drive motor and a reaming punch, the bearing ring in the concave cavity can be reamed.

[0012] The reaming device for forging a bearing ring has a meshing connection between a driving gear and a driven gear ring and a sliding connection between a movable plate and an inner wall of a movable sleeve, so that a rotating movable handle can drive the rotating plate to rotate with it, thereby driving the positioning block to move, and the movable handle can be positioned by plugging the positioning tooth block with the second positioning tooth hole and the first positioning tooth hole, thereby achieving the effect of positioning each positioning block. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the external structure of the frame of the present utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the frame of the present utility model;

[0015] Figure 3 This is a schematic diagram of the external structure of the hole-expanding punch of the present utility model;

[0016] Figure 4 This is a schematic diagram of the internal split structure of the positioning card block of the utility model;

[0017] Figure 5 This is a schematic diagram of the internal disassembled structure of the driving gear of the present utility model.

[0018] In the picture:

[0019] 1. Frame; 10. Carrier plate; 11. Movable frame; 12. Hydraulic push rod; 13. Drive motor; 14. Reaming punch;

[0020] 2. Concave cavity; 21. Rotating plate; 22. First insertion cavity; 23. Second insertion cavity; 24. Positioning block; 25. First limiting slider; 26. First limiting chute; 27. Second limiting slider; 28. Second limiting chute;

[0021] 3. Position-limiting rotation hole; 30. Position-limiting rotation seat; 31. Driven gear ring; 32. Movable sleeve; 33. Position-limiting rotation chamber; 34. Driving gear; 35. First positioning gear hole; 36. Second positioning gear hole; 37. Positioning gear block; 38. Movable plate; 39. Movable handle; 390. Through hole; 391. Spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-5 The utility model provides a technical solution: a reaming device for forging bearing rings, comprising a frame 1, a carrier plate 10 is fixedly installed in the middle of the frame 1, a concave cavity 2 is opened on the upper end of the carrier plate 10, a rotating plate 21 is rotatably installed on the upper side of the concave cavity 2, a plurality of mutually fitting positioning blocks 24 are slidably installed between the concave cavity 2 and the rotating plate 21, a first insertion cavity 22 is opened on the upper end of the rotating plate 21, a second insertion cavity 23 is opened on the upper end of the concave cavity 2, a hydraulic push rod 12 is fixedly installed on the upper end of the outer wall of the frame 1, a movable frame 11 fixedly connected to the output shaft of the hydraulic push rod 12 is provided on the upper side of the carrier plate 10, a driving motor 13 is fixedly installed in the movable frame 11, and a reaming punch 14 is fixedly installed on the lower end of the driving motor 13 through its output shaft, and the reaming punch 14 matches the first insertion cavity 22 and the second insertion cavity 23.

[0024] Working principle: When installing the bearing ring, it can be placed in the concave cavity 2, and then the rotating plate 21 is rotated at the upper end of the concave cavity 2. Through the sliding connection between the positioning blocks 24 and the concave cavity 2 and the rotating plate 21, the rotating rotating plate 21 can drive each positioning block 24 to shrink inward until it fits with the outer periphery of the bearing ring, thereby achieving the effect of positioning the bearing ring;

[0025] Start the driving motor 13, and drive the reaming punch 14 to rotate through its output shaft. Start the hydraulic push rod 12, and drive the reaming punch 14 to move downward through its output shaft until it is plugged into the inner ring of the bearing ring. Since the reaming punch 14 matches the first insertion cavity 22 and the second insertion cavity 23, and the outer periphery of the reaming punch 14 is inclined, the reaming operation can be performed on the reaming punch 14 when it contacts the inner ring of the bearing ring.

[0026] As a further description of the above technical solution: each positioning block 24 is fixedly installed with a second limit slider 27 and a first limit slider 25 at the upper and lower ends respectively, a first limit slide 26 is provided at the bottom of the inner cavity of the concave cavity 2, and a second limit slide 28 is provided at the lower end of the rotating plate 21, which is slidably connected to the second limit slider 27.

[0027] Specifically, through the sliding connection between the first limiting slider 25 and the first limiting slot 26, the movement direction of each positioning block 24 can be restricted in the cavity 2, so that the rotating rotating plate 21 can drive each positioning block 24 to shrink inward or expand outward through the sliding connection between the second limiting slider 27 and the second limiting slot 28.

[0028] As a further description of the above technical solution: a limited rotation seat 30 is provided on the upper side of the concave cavity 2 and is fixedly connected to the upper end of the carrier plate 10. The rotating plate 21 is rotatably installed on the upper end of the limited rotation seat 30. A driven gear ring 31 is fixedly installed on the periphery of the rotating plate 21. A limited rotation cavity 33 is provided on the upper end of the carrier plate 10. A driving gear 34 meshing with the driven gear ring 31 is rotatably installed in the limited rotation cavity 33; a limited rotation hole 3 and a second positioning gear hole 36 are respectively provided on both sides of the limited rotation cavity 33, and a movable sleeve 32 rotatably connected to the limited rotation hole 3 is fixedly installed in the middle of the driving gear 34. A first positioning tooth hole 35 matching the second positioning tooth hole 36 is provided at the inner end of the movable sleeve 32, and a positioning tooth block 37 is installed in the second positioning tooth hole 36 and the first positioning tooth hole 35; a through hole 390 communicating with the limiting rotation hole 3 is provided on the outer wall of the frame 1, and a movable handle 39 is provided in the through hole 390, and the positioning tooth block 37 is fixedly installed on the inner end of the movable handle 39, and a movable plate 38 slidingly connected to the inner cavity of the movable sleeve 32 is fixedly installed on the periphery of the movable handle 39, and a spring 391 sleeved on the periphery of the movable handle 39 is fixedly installed between the movable plate 38 and the inner wall of the movable sleeve 32.

[0029] Specifically, when the rotating plate 21 is rotated, the movable handle 39 is pulled outward on the outer periphery of the frame 1, so that the positioning tooth block 37 and the second positioning tooth hole 36 are separated from each other, thereby releasing the restrictive effect on the movable sleeve 32;

[0030] The movable handle 39 is rotated, and the movable sleeve 32 is driven to rotate with the rotating handle 39 through the sliding connection between the movable plate 38 and the movable sleeve 32. The meshing connection between the driving gear 34 and the driven gear ring 31 drives the rotating plate 21 to rotate, thereby adjusting each positioning block 24 to a corresponding position.

[0031] By releasing the movable handle 39, the spring 391 can restore its shape and drive the movable handle 39 to reset, so that the positioning tooth block 37 and the second positioning tooth hole 36 are re-inserted. Combined with the plug-in connection between the positioning tooth block 37 and the first positioning tooth hole 35, the movable sleeve 32 can be positioned, and then the rotating plate 21 can be positioned, avoiding the positioning block 24 from being offset, thereby ensuring its positioning effect on the bearing ring.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hole enlarging device for forging a bearing ring, comprising a frame (1), characterized in that: A carrier plate (10) is fixedly installed in the middle of the frame (1), a concave cavity (2) is provided at the upper end of the carrier plate (10), a rotating plate (21) is rotatably installed on the upper side of the concave cavity (2), a plurality of mutually fitting positioning blocks (24) are slidably installed between the concave cavity (2) and the rotating plate (21), a first insertion cavity (22) is provided at the upper end of the rotating plate (21), a second insertion cavity (23) is provided at the upper end of the concave cavity (2), a hydraulic push rod (12) is fixedly installed at the upper end of the outer wall of the frame (1), a movable frame (11) fixedly connected to the output shaft of the hydraulic push rod (12) is provided at the upper side of the carrier plate (10), a driving motor (13) is fixedly installed in the movable frame (11), a reaming punch (14) is fixedly installed at the lower end of the driving motor (13) through its output shaft, and the reaming punch (14) matches the first insertion cavity (22) and the second insertion cavity (23).

2. The hole expanding device for forging a bearing ring according to claim 1, characterized in that: A second limiting slide block (27) and a first limiting slide block (25) are fixedly mounted on the upper and lower ends of each positioning block (24), a first limiting slide groove (26) slidably connected to the first limiting slide block (25) is provided at the bottom of the inner cavity of the concave cavity (2), and a second limiting slide groove (28) slidably connected to the second limiting slide block (27) is provided at the lower end of the rotating plate (21).

3. The hole expanding device for forging a bearing ring according to claim 1, characterized in that: A position-limiting rotating seat (30) fixedly connected to the upper end of the carrier plate (10) is provided on the upper side of the concave cavity (2); the rotating plate (21) is rotatably mounted on the upper end of the position-limiting rotating seat (30); a driven gear ring (31) is fixedly mounted on the periphery of the rotating plate (21); a position-limiting rotating cavity (33) is provided at the upper end of the carrier plate (10); a driving gear (34) meshing with the driven gear ring (31) is rotatably mounted in the position-limiting rotating cavity (33).

4. The hole expanding device for forging a bearing ring according to claim 3, characterized in that: A limited rotation hole (3) and a second positioning tooth hole (36) are respectively provided on both sides of the limited rotation cavity (33); a movable sleeve (32) rotatably connected to the limited rotation hole (3) is fixedly installed in the middle of the driving gear (34); a first positioning tooth hole (35) matching the second positioning tooth hole (36) is provided at the inner end of the movable sleeve (32); a positioning tooth block (37) is inserted and installed in the second positioning tooth hole (36) and the first positioning tooth hole (35).

5. The hole expanding device for forging a bearing ring according to claim 4, characterized in that: The outer wall of the frame (1) is provided with a through hole (390) which is in communication with the limiting rotation hole (3); a movable handle (39) is provided in the through hole (390); the positioning tooth block (37) is fixedly mounted on the inner end of the movable handle (39); a movable plate (38) which is slidably connected to the inner cavity of the movable sleeve (32) is fixedly mounted on the outer periphery of the movable handle (39); and a spring (391) which is sleeved on the outer periphery of the movable handle (39) is fixedly mounted between the movable plate (38) and the inner wall of the movable sleeve (32).

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