阅读说明：本技术 一种改善轴承套圈变形的压模淬火整形设备 (Improve moulding-die quenching plastic equipment that bearing ring warp ) 是由 曹海军 张春宝 陈云 汪凤文 沈国立 于 2019-11-05 设计创作，主要内容包括：本发明的一种改善轴承套圈变形的压模淬火整形设备,涉及轴承套圈制造领域,包括淬火单元和压模单元；淬火单元包括外环套和第一内环套,外环套与第一内环套之间形成第一淬火油通道,加热后的轴承套圈可同轴地放入第一内环套内,轴承套圈的外侧壁与第一内环套的内侧壁间隙配合；压模单元包括下模座、上模座和伸缩杆,上模座的上端与伸缩杆连接,上模座的下端面和下模座的上端面均为平面,上模座的外侧壁可与第一内环套的内侧壁间隙配合,下模座可堵住第一内环套的内部通道的底部,伸缩杆向下伸出运动可带动上模座进入第一内环套内,并挤压位于下模座和上模座之间的轴承套圈。本发明能够改善轻薄轴承套圈热处理变形问题,提高生产效率,节约能效。(The invention discloses a die quenching and shaping device for improving deformation of a bearing ring, which relates to the field of bearing ring manufacturing and comprises a quenching unit and a die unit; the quenching unit comprises an outer ring sleeve and a first inner ring sleeve, a first quenching oil channel is formed between the outer ring sleeve and the first inner ring sleeve, the heated bearing ring can be coaxially placed in the first inner ring sleeve, and the outer side wall of the bearing ring is in clearance fit with the inner side wall of the first inner ring sleeve; the moulding-die unit includes the die holder, upper die base and telescopic link, the upper end and the telescopic link of upper die base are connected, the lower terminal surface of upper die base and the up end of die holder are the plane, the lateral wall of upper die base can with the inside wall clearance fit of first interior snare, the bottom of the inner channel of first interior snare can be plugged up to the die holder, the telescopic link stretches out the motion downwards and can drive the upper die base and get into in the first interior snare to the extrusion is located the bearing ring between die holder and the upper die base. The invention can improve the heat treatment deformation problem of the light and thin bearing ring, improve the production efficiency and save the energy efficiency.)

1. A die quenching and shaping device for improving the deformation of a bearing ring is characterized in that: comprises a quenching unit (1) and a die pressing unit (2); the quenching unit (1) comprises an outer ring sleeve (4) and a first circular inner ring sleeve (5), a first quenching oil channel (6) is formed between the outer ring sleeve (4) and the first circular inner ring sleeve (5), a heated bearing ring (3) can be coaxially placed into the first circular inner ring sleeve (5), and the outer side wall of the heated bearing ring (3) is in clearance fit with the inner side wall of the first circular inner ring sleeve (5); the stamping die unit (2) comprises a lower die holder (7), an upper die holder (8) and a telescopic rod (9), the upper end of the upper die holder (8) is connected with the telescopic rod (9), the lower end face of the upper die holder (8) and the upper end face of the lower die holder (7) are planes, the outer side wall of the upper die holder (8) can be in clearance fit with the inner side wall of the first inner ring sleeve (5), the lower die holder (7) can plug the bottom of an internal channel of the first inner ring sleeve (5), the telescopic rod (9) can drive the upper die holder (8) to enter the first inner ring sleeve (5), and the upper die holder (7) and the upper die holder (8) are located through extrusion by the aid of a bearing ring (3).

2. A die quenching and reshaping device for improving the deformation of a bearing ring according to claim 1, wherein said outer ring (4) is also circular.

3. The die quenching and reshaping device for improving the deformation of a bearing ring according to claim 2, wherein the outer ring sleeve (4) is coaxially arranged with the first inner ring sleeve (5).

4. The die quenching reshaping device for improving the deformation of the bearing ring according to claim 1, wherein the quenching unit (1) further comprises a second inner ring sleeve (12) and a third inner ring sleeve (13), the second inner ring sleeve (12) is circular and is coaxially arranged inside the first inner ring sleeve (5), the third inner ring sleeve (13) is arranged inside the second inner ring sleeve (12), the bearing ring (3) coaxially arranged inside the first inner ring sleeve (5) is further sleeved outside the second inner ring sleeve (12), the inner side wall of the bearing ring (3) is in clearance fit with the outer side wall of the second inner ring sleeve (12), and a second quenching oil channel (14) is formed between the second inner ring sleeve (12) and the third inner ring sleeve (13); upper die base (8) still include with clamping ring (15) that the lower terminal surface of upper die base (8) links to each other, the lower terminal surface of clamping ring (15) is the plane, the lateral wall of clamping ring (15) can with the inside wall clearance fit of first interior snare (5), the inside wall of clamping ring (15) can with the lateral wall clearance fit of second interior snare (12), die holder (7) are the ring form, die holder (7) can plug up the bottom of the passageway between first interior snare (5) and the second interior snare (12), telescopic link (9) stretches out the motion downwards and can drive clamping ring (15) get into between first interior snare (5) and the second interior snare (12), and the extrusion is located bearing ring (3) between die holder (7) and the upper die base (8).

5. A die quenching and shaping device for improving the deformation of a bearing ring according to claim 4, wherein said third inner ring sleeve (13) is also circular.

6. The die quenching and shaping device for improving the deformation of a bearing ring according to claim 5, wherein said third inner ring housing (13) is coaxially arranged with said second inner ring housing (12).

7. The die quenching and shaping device for improving the deformation of the bearing ring according to claim 4, wherein the outer ring sleeve (4), the first inner ring sleeve (5), the second inner ring sleeve (12), the third inner ring sleeve (13), the lower die holder (7), the upper die holder (8) and the telescopic rod (9) are all made of metal materials.

8. The die quenching and reshaping device for improving the deformation of a bearing ring according to claim 7, wherein the first inner ring sleeve (5) and the second inner ring sleeve (12) are aluminum alloys.

9. The die quenching and reshaping equipment for improving the deformation of a bearing ring according to any one of claims 1 to 8, further comprising a rotating disc (10), wherein the number of the quenching units (1) is multiple, the quenching units (1) are arranged on the rotating disc (10) in a circular array, and the rotating disc (10) can rotate so that the quenching units (1) are stopped between a lower die holder (7) and an upper die holder (8) of the die unit (2) in sequence.

10. The die quenching and shaping device for improving the deformation of a bearing ring according to claim 9, wherein a spindle (11) is provided at the center of the rotating disk (10).

Technical Field

The invention relates to the field of bearing ring manufacturing, and more particularly relates to a die quenching and shaping device for improving deformation of a bearing ring.

Background

The heat treatment deformation of the bearing ring is a difficult problem which always troubles the bearing industry, particularly the light and thin easily-deformed bearing ring with the size from phi 40mm to phi 500mm, and the product is mainly applied to emerging vehicles, engineering machinery, precision machinery and other equipment. For a general heat treatment plant, manual shaping is adopted when the bearing ring is produced, so that the phenomenon that the ovality is qualified and the product is scrapped due to unqualified warpage is easily generated during production, and the problems of high labor intensity, low production efficiency and high energy consumption are brought; part of heat treatment plants adopt film pressing quenching for light and thin products, but film pressing equipment is expensive, the starting utilization rate is low, and the cost is high.

Disclosure of Invention

The invention aims to make up for the defects in the prior art, provides the compression mold quenching and shaping equipment for improving the deformation of the bearing ring, solves the problem of heat treatment deformation of the light and thin bearing ring, improves the production efficiency and saves the energy efficiency.

The technical scheme of the invention is as follows: a die quenching and shaping device for improving the deformation of a bearing ring is characterized in that: comprises a quenching unit and a die pressing unit; the quenching unit comprises an outer ring sleeve and a first circular inner ring sleeve, a first quenching oil channel is formed between the outer ring sleeve and the first circular inner ring sleeve, the heated bearing ring can be coaxially placed in the first circular inner ring sleeve, and the outer side wall of the heated bearing ring is in clearance fit with the inner side wall of the first circular inner ring sleeve; the stamping die unit comprises a lower die base, an upper die base and a telescopic rod, the upper end of the upper die base is connected with the telescopic rod, the lower end face of the upper die base and the upper end face of the lower die base are both planes, the outer side wall of the upper die base can be in clearance fit with the inner side wall of the first inner ring sleeve, the lower die base can block the bottom of an inner channel of the first inner ring sleeve, and the telescopic rod stretches downwards to move to drive the upper die base to enter the first inner ring sleeve and extrude a bearing ring between the lower die base and the upper die base.

Further, the outer ring sleeve is also circular.

Further, the outer ring sleeve and the first inner ring sleeve are coaxially arranged.

Further, the quenching unit further comprises a second inner ring sleeve and a third inner ring sleeve, the second inner ring sleeve is circular and is coaxially arranged inside the first inner ring sleeve, the third inner ring sleeve is arranged inside the second inner ring sleeve, the bearing ring coaxially placed in the first inner ring sleeve is further sleeved outside the second inner ring sleeve, the inner side wall of the bearing ring is in clearance fit with the outer side wall of the second inner ring sleeve, and a second quenching oil channel is formed between the second inner ring sleeve and the third inner ring sleeve; the upper die base still include with the clamping ring that the lower terminal surface of upper die base links to each other, the lower terminal surface of clamping ring is the plane, the lateral wall of clamping ring can with the inside wall clearance fit of first interior snare, the inside wall of clamping ring can with the outside wall clearance fit of second interior snare, the die holder is the ring form, the die holder can plug up the bottom of the passageway between first interior snare and the second interior snare, the telescopic link stretches out the motion downwards can drive the clamping ring gets into between first interior snare and the second interior snare to the extrusion is located bearing ring between die holder and the upper die base.

Further, the third inner ring sleeve is also circular.

Further, the third inner ring sleeve and the second inner ring sleeve are coaxially arranged.

Furthermore, the outer ring sleeve, the first inner ring sleeve, the second inner ring sleeve, the third inner ring sleeve, the lower die holder, the upper die holder and the telescopic rod are all made of metal materials.

Further, the first inner ring sleeve and the second inner ring sleeve are made of aluminum alloy.

The quenching die further comprises a rotating disc, the number of the quenching units is multiple, the quenching units are arranged on the rotating disc in a circular array, and the rotating disc can rotate so that the quenching units sequentially stop between the lower die holder and the upper die holder of the die pressing unit.

Further, a main shaft is arranged in the center of the rotating disc.

The invention has the beneficial effects that:

1. the heated bearing ring can be cooled by quenching oil which flows rapidly in the quenching oil channel for quenching, and when the bearing ring is quenched, the plane end face above and the plane end face below the die pressing unit extrude the end face of the bearing ring, so that the buckling deformation of the bearing ring can be reduced, and the bearing ring can be ensured to have good ovality due to the limitation of the circular side wall of the inner ring sleeve;

2. the bearing rings in the quenching units are driven by the rotating disc to move between the lower die holder and the upper die holder of the die pressing unit for die pressing quenching, so that the production efficiency can be improved, and the energy efficiency can be saved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the present invention will be briefly introduced below, and it is apparent that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural view of a die quenching and shaping apparatus for improving deformation of a bearing ring according to a first embodiment of the present invention.

Fig. 2 is a schematic structural view of a quenching unit according to a first embodiment of the present invention.

Fig. 3 is a schematic structural view of a die unit according to a first embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a rotating disk according to a first embodiment of the present invention.

Fig. 5 is a schematic structural view of a die quenching and shaping apparatus for improving deformation of a bearing ring according to a second embodiment of the present invention.

Fig. 6 is a schematic structural view of a quenching unit according to a second embodiment of the present invention.

Fig. 7 is a schematic structural view of a press molding unit according to a second embodiment of the present invention.

Wherein, 1-a quenching unit; 2-a die unit; 3-a bearing ring; 4-outer ring sleeve; 5-a first inner ring sleeve; 6-a first quenching oil channel; 7-a lower die holder; 8-an upper die holder; 9-a telescopic rod; 10-rotating the disc; 11-a main shaft; 12-a second inner ring sleeve; 13-a third inner ring sleeve; 14-a second quench oil channel; 15-pressure ring.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

First embodiment

As shown in fig. 1 to 3, a die quenching and truing apparatus for improving deformation of a bearing ring includes a quenching unit 1 and a die unit 2. The quenching unit 1 comprises an outer ring sleeve 4 and a first circular inner ring sleeve 5, a first quenching oil channel 6 is formed between the outer ring sleeve 4 and the first inner ring sleeve 5, the heated bearing ring 3 can be coaxially placed in the first inner ring sleeve 5, and the outer side wall of the heated bearing ring 3 is in clearance fit with the inner side wall of the first inner ring sleeve 5. The outer ring sleeve 4 and the first inner ring sleeve 5 are both made of heat-resistant, non-deformable and effective heat-conducting metal materials, and preferably the first inner ring sleeve 5 is made of aluminum alloy. The bearing ring 3 can be rapidly cooled and quenched by introducing rapidly flowing quenching oil into the first quenching oil channel 6 by pressure. The die pressing unit 2 comprises a lower die holder 7, an upper die holder 8 and a telescopic rod 9, the upper end of the upper die holder 8 is connected with the telescopic rod 9, and the telescopic rod 9 can be driven by a driving device such as a hydraulic cylinder to perform up-and-down telescopic motion. The lower end face of the upper die holder 8 and the upper end face of the lower die holder 7 are both planes, the outer side wall of the upper die holder 8 can be in clearance fit with the inner side wall of the first inner ring sleeve 5, the lower die holder 7 can block the bottom of an inner channel of the first inner ring sleeve 5, and when quenching is performed, the telescopic rod 9 stretches downwards to move to drive the upper die holder 8 to enter the first inner ring sleeve 5 and extrude the bearing ring 3 between the lower die holder 7 and the upper die holder 8. Because the lower end surface of the upper die holder 8 and the upper end surface of the lower die holder 7 are both planes, the upper end surface and the lower end surface of the bearing ring 3 are smoothly shaped during extrusion, and the warping of the bearing ring 3 is reduced. And when the bearing ring 3 is quenched, the expansion of the bearing ring 3 can be caused by the tissue transformation, and because the outer side wall of the heated bearing ring 3 is in clearance fit with the inner side wall of the first inner ring sleeve 5, the inner side wall of the first circular inner ring sleeve 5 can perform circular plasticity on the outer side wall of the bearing ring 3, so that the bearing ring is ensured to have good ovality.

Preferably, the outer collar 4 is also circular.

Preferably, the outer collar 4 is arranged coaxially with the first inner collar 5.

As shown in fig. 4, the die quenching and shaping apparatus further comprises a rotating disc 10, the number of the quenching units 1 is multiple, the quenching units 1 are arranged on the rotating disc 10 in a circular array, and the rotating disc 10 can rotate so that the quenching units 1 are sequentially stopped between the lower die holder 7 and the upper die holder 8 of the die unit 2.

In the production process, the rotating disc 10 is rotated to stop one quenching unit 1 on the rotating disc between a lower die holder 7 and an upper die holder 8 of the die pressing unit 2, quenching oil is introduced into the first quenching oil channel 6 to quench the bearing ring 3 in the first inner ring sleeve 5, meanwhile, the lower die holder 7 moves upwards to block the bottom of the inner channel of the first inner ring sleeve 5, and the telescopic rod 9 extends downwards to move to drive the upper die holder 8 to enter the first inner ring sleeve 5 and extrude the bearing ring 3 between the lower die holder 7 and the upper die holder 8. After quenching and shaping are finished, the introduction of quenching oil into the first quenching oil channel 6 is stopped, the telescopic rod 9 retracts upwards to drive the upper die holder 8 to move out of the first inner ring sleeve 5, the lower die holder 7 moves downwards to move out of the inner channel of the first inner ring sleeve 5, the rotary disk 10 is rotated to enable the next quenching unit 1 on the rotary disk to stop between the lower die holder 7 and the upper die holder 8 of the pressing die unit 2, and the quenching and shaping steps are repeated. Wherein, the heated bearing ring 3 can be added into the first inner ring sleeve 5 through a mechanical arm at other stations of the rotating disc 10 before the quenching and shaping step is carried out, and the quenched and shaped bearing ring at the bottom of the first inner ring sleeve 5 is extruded at the same time. Because the quenching and shaping can be automatically and circularly carried out by the equipment, the production efficiency can be improved, and the energy efficiency is saved.

Preferably, the center of the rotating disk 10 is provided with a spindle 11, and the spindle 11 can be driven by a motor to rotate so as to drive the rotating disk 10 to rotate.

Second embodiment

The quenching unit 1 further includes a second inner ring sleeve 12 and a third inner ring sleeve 13 disposed in the first inner ring sleeve 5, where the second inner ring sleeve 12 is circular and disposed coaxially inside the first inner ring sleeve 5, the third inner ring sleeve 13 is disposed inside the second inner ring sleeve 12, the bearing ring 3 coaxially disposed in the first inner ring sleeve 5 is further sleeved outside the second inner ring sleeve 12, an inner sidewall of the bearing ring 3 is in clearance fit with an outer sidewall of the second inner ring sleeve 12, and a second quenching oil passage 14 is formed between the second inner ring sleeve 12 and the third inner ring sleeve 13. Through adopting pressure to let in the quenching oil that flows fast in the second quenching oil passageway 14, can be quick from the inboard heat absorption cooling of bearing ring 3, can effectively improve the tissue state of the bearing ring that the wall thickness is thicker, promote the quenching effect of bearing ring. In order to make moulding-die unit 2 when quenching, can carry out the moulding-die plastic to the bearing ring 3 among the above-mentioned quenching unit 1, upper die base 8 still include with the clamping ring 15 that the lower terminal surface of upper die base 8 links to each other, the lower terminal surface of clamping ring 15 is the plane, the lateral wall of clamping ring 15 can with the inside wall clearance fit of first inner ring cover 5, the inside wall of clamping ring 15 can with the lateral wall clearance fit of second inner ring cover 12, die holder 7 is the ring form, die holder 7 can plug up the bottom of the passageway between first inner ring cover 5 and the second inner ring cover 12, the telescopic link 9 stretches out the motion downwards and can drives clamping ring 15 gets into between first inner ring cover 5 and the second inner ring cover 12 to the extrusion is located bearing ring 3 between die holder 7 and the upper die base 8.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.