Deep turning clamp for thin-wall bearing ring

Abstract

The utility model relates to the technical field of machining fixtures, and particularly discloses a deep turning fixture for a thin-wall bearing ring, which comprises a fixture seat main body, and a bearing ring main body is clamped in the fixture seat main body; the clamp clamping jaw is positioned in the clamp seat main body; and the expansion mechanism is located between the clamp clamping jaw and the bearing ring main body, and the expansion mechanism can fix the bearing ring main body in the clamp seat main body. When the bearing ring clamping device is used, an operator can firstly place a bearing ring on the inner side of the inner gasket and then place the bearing ring in the clamp seat; the bearing ring is fixed in the clamp base through the expansion mechanism, when the bearing ring is clamped, the expansion mechanism can enable the outer gasket to be evenly clamped through the limiting piece, the center point of the bearing ring is always aligned with the center point of the clamp base, clamping is facilitated, meanwhile, it is guaranteed that the position of the center point is accurate when the bearing ring is machined, and using is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of processing fixtures, in particular to a deep turning processing fixture for a thin-walled bearing ring. Background Art

[0002] The deep turning fixture for bearing rings is a special fixture used for bearing ring processing. The fixture seat is the main part of the fixture, usually made of high-strength alloy steel material, with high rigidity and stability. The fixture claws are installed on the fixture seat to clamp the bearing rings to ensure stability and accuracy during processing.

[0003] When clamping thin-walled bearing rings, the existing clamps need to hold the bearing ring in the center of the clamp seat and adjust the clamping degree of the clamp seat with the other hand due to the small size of the thin-walled bearings, or two workers are required to clamp together. When clamping, attention should also be paid to the center positioning of the bearing ring, which is very inconvenient. For this reason, we propose a deep turning clamp for thin-walled bearing rings. Utility Model Content

[0004] The utility model aims to provide a deep turning fixture for thin-walled bearing rings to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a deep turning fixture for a thin-walled bearing ring, comprising a fixture seat body, wherein the fixture seat body clamps the bearing ring body;

[0006] The clamp jaws are located inside the clamp seat body, and the clamp jaws can be adjusted by the clamp seat body to clamp the bearing ring body;

[0007] The expansion mechanism is located between the clamp jaws and the bearing ring body, and the expansion mechanism can fix the bearing ring body inside the clamp seat body.

[0008] Among them, the expansion mechanism includes a clamping assembly arranged inside the clamp jaw, the clamping assembly is divided into three groups and evenly distributed inside the clamp jaw, the clamping assembly includes an outer gasket arranged inside the clamp jaw, the outer gasket is fixedly connected with a reset spring at one end away from the clamp jaw, the reset spring is fixedly connected with an inner gasket at one end away from the outer gasket, the inner gasket clamps the bearing ring body inside, a base is arranged at one end of the inner gasket away from the bearing ring body, a limit piece capable of limiting the outer gasket is arranged at one end of the base away from the bearing ring body, and a sliding piece capable of limiting the sliding of the inner gasket is arranged at one end of the base close to the bearing ring body.

[0009] Among them, the limiter includes a fixed rod fixedly connected to the end of the base away from the bearing ring body, and a transmission gear is rotatably connected to the outer periphery of the fixed rod. Each outer gasket is fixedly connected to a connecting rod at one end away from the bearing ring body. A tooth groove is provided on one side of the connecting rod, and the tooth groove is meshed with the transmission gear. A plurality of clamps are fixedly connected to the outer wall of the base, and the clamps are located on the outer periphery of the connecting rod.

[0010] Among them, the sliding part includes a barrier ring fixedly connected to one end of the base close to the bearing ring body, the barrier ring is located on the periphery of the inner gasket, a sliding groove is opened on the end of the inner gasket close to the base, and a sliding rod is fixedly connected to one end of the base close to the inner gasket. The sliding rod is located in the sliding groove and is slidably connected to the sliding groove.

[0011] Among them, each connecting rod is arranged in a staggered manner, and the position of each connecting rod is consistent with the rotation direction of the transmission gear.

[0012] Among them, the inner gasket is in a stepped shape.

[0013] The utility model has at least the following beneficial effects:

[0014] When the utility model is in use, the operator can first place the bearing ring on the inner side of the inner gasket, and then put it into the inside of the clamp seat, and fix the bearing ring in the inside of the clamp seat through the expansion mechanism. When clamping the bearing ring, the expansion mechanism can evenly clamp the outer gasket through the limiter, so that the center point of the bearing ring is always aligned with the midpoint of the clamp seat, which facilitates clamping and ensures the accuracy of the center point position of the bearing ring during processing. It is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the processing fixture of the utility model;

[0016] Figure 2 This is a schematic diagram of the front structure of the processing fixture of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of the expansion mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the overall structure of the limiter of the utility model;

[0019] Figure 5 This is a schematic diagram of the side structure of the expansion mechanism of the utility model;

[0020] Figure 6 This is a schematic diagram of the cross-sectional structure of the fixing rod of the utility model;

[0021] Figure 7 It is a schematic diagram of the overall structure of the sliding part of the utility model.

[0022] In the figure: 1. clamp seat body; 11. bearing ring body; 2. clamp jaws; 3. expansion mechanism; 4. clamping assembly; 41. outer gasket; 42. return spring; 43. inner gasket; 44. base; 5. limiter; 51. fixing rod; 52. transmission gear; 53. connecting rod; 54. tooth groove; 55. jamb; 6. sliding member; 61. barrier ring; 62. sliding groove; 63. sliding rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-7 The utility model provides a technical solution: a deep turning fixture for thin-walled bearing rings, comprising a fixture seat body 1, the fixture seat body 1 clamps the bearing ring body 11 inside; a fixture claw 2, the fixture claw 2 is located inside the fixture seat body 1, and the fixture claw 2 can clamp the bearing ring body 11 through the adjustment of the fixture seat body 1; an expansion mechanism 3, the expansion mechanism 3 is located between the fixture claw 2 and the bearing ring body 11, and the expansion mechanism 3 can fix the bearing ring body 11 inside the fixture seat body 1. When the utility model is in use, the operator can first place the bearing ring on the inner side of the inner gasket 43, and then put it into the fixture seat, and fix the bearing ring inside the fixture seat through the expansion mechanism 3. When clamping the bearing ring, the expansion mechanism 3 can evenly clamp the outer gasket 41 through the limiter 5, so that the center point of the bearing ring is always aligned with the midpoint of the fixture seat, which is convenient for clamping and ensures the accuracy of the center point position of the bearing ring during processing, which is very convenient in use.

[0025] The expansion mechanism 3 includes a clamping assembly 4 arranged inside the clamp jaw 2, the clamping assembly 4 is divided into three groups and evenly distributed inside the clamp jaw 2, the clamping assembly 4 includes an outer gasket 41 arranged inside the clamp jaw 2, the outer gasket 41 is fixedly connected to the end away from the clamp jaw 2 with a return spring 42, the return spring 42 is fixedly connected to the end away from the outer gasket 41 with an inner gasket 43, the inner gasket 43 clamps the bearing ring body 11 inside, and the inner gasket 43 is provided with a base 44 at the end away from the bearing ring body 11. When the bearing ring body 11 needs to be deeply processed, the bearing ring body 11 is first placed inside the inner gasket 43. The expansion mechanism 3 is placed on the inner side of the gasket 43 and then inside the clamp seat body 1. Since the outer gasket 41 and the inner gasket 43 are connected by the return spring 42, the stretching of the return spring 42 will squeeze the outer gasket 41 so that the outer gasket 41 and the clamp jaw 2 are tightly attached to each other, thereby expanding the clamp jaw 2. After placement, the clamp jaw 2 can be clamped. While clamping, the clamp jaw 2 squeezes the outer gasket 41 close to the inner gasket 43. Finally, the clamp jaw 2 is tightly attached to the inner gasket 43 through the outer gasket 41 and squeezes the bearing ring body 11, thereby achieving clamping and fixing of the bearing ring body 11. No one hand is required to support the clamp when clamping, which is very convenient.

[0026] A limiting member 5 capable of limiting the position of the outer gasket 41 is provided at one end of the base 44 away from the bearing ring body 11. The limiting member 5 includes a fixing rod 51 fixedly connected to the one end of the base 44 away from the bearing ring body 11. A transmission gear 52 is rotatably connected to the outer periphery of the fixing rod 51. A connecting rod 53 is fixedly connected to one end of each outer gasket 41 away from the bearing ring body 11. A tooth groove 54 is provided on one side of the connecting rod 53. The tooth groove 54 meshes with the transmission gear 52. A plurality of card shells 55 are fixedly connected to the outer wall of the base 44. The card shells 55 are located at the outer periphery of the connecting rod 53. When the clamp jaws 2 are feeding and clamping, the clamp jaws 2 will push the outer gasket 41. The movable connecting rod 53 slides on the outside of the base 44. When multiple connecting rods 53 slide at the same time, they will drive the transmission gear 52 to rotate, so that the multiple connecting rods 53 and the transmission gear 52 work synchronously. The function of the transmission gear 52 is to ensure that each connecting rod 53 slides the same distance, which can ensure that the outer gasket 41 is close to the same distance. The expansion mechanism 3 is in an overall contracted state, so that the center point of the bearing ring body 11 always remains unchanged. This feeding method is suitable for bearing ring bodies 11 of different sizes. When the outer gasket 41 is not in contact with the inner gasket 43, the center point position of the bearing ring body 11 can be determined by the transmission gear 52 and the connecting rod 53.

[0027] A sliding member 6 capable of limiting the sliding of the inner gasket 43 is provided at one end of the base 44 close to the bearing ring body 11, and the sliding member 6 includes a blocking ring 61 fixedly connected to one end of the base 44 close to the bearing ring body 11, the blocking ring 61 is located on the periphery of the inner gasket 43, and a sliding groove 62 is provided at one end of the inner gasket 43 close to the base 44, and a sliding rod 63 is fixedly connected to one end of the base 44 close to the inner gasket 43, the sliding rod 63 is located in the sliding groove 62 and is slidably connected to the sliding groove 62, the sliding rod 63 located inside the base 44 and the sliding groove 62 provided on the inner gasket 43 are to ensure that the inner gasket 43 slides inside the base 44, rather than causing the inner gasket 43 to flip or tilt due to uneven force, and at the same time, the inner gasket 43 has a sliding range and can be suitable for bearing ring bodies 11 of different sizes, which is very convenient when used.

[0028] Each connecting rod 53 is arranged in a staggered manner, and the position of each connecting rod 53 is consistent with the rotation direction of the transmission gear 52. When the clamp jaw 2 squeezes the outer gasket 41, the outer gasket 41 drives the connecting rod 53 to slide the same distance, and multiple connecting rods 53 slide at the same time. Each connecting rod 53 is arranged in a staggered manner so that the connecting rods 53 do not interfere with each other. At the same time, when the transmission gear 52 rotates, the connecting rod 53 is located on the same side of the rotation direction of the transmission gear 52, so that the outer gasket 41, the connecting rod 53 and the transmission gear 52 are more compatible when working.

[0029] The inner gasket 43 is stepped, and the return spring 42 is located on the outer side of the end of the inner gasket 43 with a smaller diameter, while the inner side of the end of the bearing ring body 11 and the inner gasket 43 with a larger diameter, leaving a gap for the return spring 42 to facilitate the space occupied by the return spring 42 when it is compressed.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deep turning fixture for a thin-walled bearing ring, comprising: A clamp seat body (1), wherein the clamp seat body (1) clamps a bearing ring body (11) therein; It is characterized by: also including: A clamp jaw (2), wherein the clamp jaw (2) is located inside the clamp seat body (1), and the clamp jaw (2) can be adjusted by the clamp seat body (1) to clamp the bearing ring body (11); An expansion mechanism (3) is located between the clamp jaws (2) and the bearing ring body (11), and the expansion mechanism (3) can fix the bearing ring body (11) inside the clamp seat body (1).

2. The deep turning fixture for thin-walled bearing rings according to claim 1 is characterized in that: The expansion mechanism (3) comprises a clamping assembly (4) arranged inside the clamping jaw (2), the clamping assembly (4) being divided into three groups and evenly distributed inside the clamping jaw (2), the clamping assembly (4) comprising an outer gasket (41) arranged inside the clamping jaw (2), the outer gasket (41) having one end away from the clamping jaw (2) fixedly connected to a return spring (42), the return spring (42) having one end away from the outer gasket (41) fixedly connected to a return spring (42) An inner gasket (43) is provided, wherein the inner gasket (43) clamps the bearing ring body (11) therein, and a base (44) is provided at one end of the inner gasket (43) away from the bearing ring body (11), and a limiting member (5) capable of limiting the position of the outer gasket (41) is provided at one end of the base (44) away from the bearing ring body (11), and a sliding member (6) capable of limiting the sliding of the inner gasket (43) is provided at one end of the base (44) close to the bearing ring body (11).

3. The deep turning fixture for thin-walled bearing rings according to claim 2 is characterized in that: The limiting member (5) comprises a fixing rod (51) fixedly connected to one end of the base (44) away from the bearing ring body (11); the outer periphery of the fixing rod (51) is rotatably connected to a transmission gear (52); each outer gasket (41) is fixedly connected to one end of the bearing ring body (11); a tooth groove (54) is provided on one side of the connecting rod (53); the tooth groove (54) is meshed with the transmission gear (52); a plurality of latches (55) are fixedly connected to the outer wall of the base (44); the latches (55) are located on the outer periphery of the connecting rod (53).

4. The deep turning fixture for thin-walled bearing rings according to claim 3 is characterized in that: The sliding member (6) comprises a blocking ring (61) fixedly connected to one end of the base (44) close to the bearing ring body (11); the blocking ring (61) is located on the periphery of the inner gasket (43); a sliding groove (62) is provided on one end of the inner gasket (43) close to the base (44); a sliding rod (63) is fixedly connected to one end of the base (44) close to the inner gasket (43); the sliding rod (63) is located in the sliding groove (62) and is slidably connected to the sliding groove (62).

5. The deep turning fixture for thin-walled bearing rings according to claim 3 is characterized in that: Each of the connecting rods (53) is arranged in a staggered manner, and the position of each of the connecting rods (53) is consistent with the rotation direction of the transmission gear (52).

6. The deep turning fixture for thin-walled bearing rings according to claim 2, characterized in that: The inner gasket (43) is in a stepped shape.

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