Laser cutting clamp and cutting equipment for double-row symmetrical machining of bearing rings

Abstract

The utility model relates to the field of bearing machining, and particularly discloses a laser cutting clamp and cutting equipment for double-row symmetrical machining of bearing rings. The laser cutting clamp comprises a locking assembly and an adjusting piece, the locking assembly comprises a clamp base, a clamping driving unit and at least two clamping jaws, and a clamping center is arranged on the clamp base; the clamping jaws are movably arranged on the clamp base, the clamping jaws are arranged in a coplanar mode, and the extension lines of the clamping jaws in the length direction intersect at the clamping center. The clamping driving unit is used for driving the clamping jaw to move in the length direction of the clamping jaw relative to the clamp base. The adjusting pieces are in one-to-one correspondence with the clamping jaws and are detachably connected with the corresponding clamping jaws; one side of each adjusting part is a positioning surface, and the positioning surfaces of all the adjusting parts are arranged in an aligned manner; and a clamping block is arranged on the positioning surface of each adjusting piece. The laser cutting clamp has the advantages of being simple in structure and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing processing field, concretely relates to a laser cutting clamp and cutting equipment for double -row symmetry processing of bearing ring. BACKGROUND

[0002] As shown in Figure 1 and Figure 2 It is a kind of ring structure schematic diagram of ball bearing for robot, since ring is asymmetric structure, the deformation in heat treatment process after forming is larger, it is unavoidable to cause certain difficulty to subsequent processing, reduce processing efficiency, and product qualification rate is also lower.

[0003] In view of the above problems existing in the processing of asymmetric structure form bearing ring, the Chinese invention patent application with the application publication number CN103143886 A discloses a kind of new processing method of ball bearing, two rings are symmetrically set in a group during processing Forming, and after completing heat treatment and hard machining, cutting is separated into two rings, finally after end face grinding, processing can be completed. By the symmetric setting of two rings, the thermal stress generated during heat treatment can be offset to some extent, the deformation caused by heat treatment is effectively improved, and the processing quality is improved.

[0004] But in the above existing scheme, how to cut and separate the bearing ring after processing is not described. The purpose of the present application is to provide a laser cutting clamp for double-row symmetrically processed bearing ring in view of the above-mentioned deficiencies in the prior art. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide a laser cutting clamp and cutting equipment for double-row symmetrically processed bearing ring, which has the advantages of simple structure and convenient operation.

[0006] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a laser cutting clamp for double-row symmetrically processed bearing ring, comprising a locking assembly and an adjusting member, the locking assembly comprises a clamp seat, a clamping driving unit and at least two clamping jaws, the clamp seat is provided with a clamping center; the clamping jaws are movably arranged on the clamp seat, each clamping jaw is coplanarly arranged, and the length direction extension lines of each clamping jaw intersect at the clamping center; the clamping driving unit is used to drive the clamping jaw to move relative to the clamp seat along the length direction of the clamping jaw;

[0007] The adjusting member corresponds to the clamping jaw one by one, and is detachably connected with the corresponding clamping jaw; one side of the adjusting member is a positioning surface, and the positioning surfaces of each adjusting member are arranged in alignment; the positioning surface of each adjusting member is provided with a clamping block.

[0008] When the clamping operation is performed, the end face of the sleeve ring is in contact with the positioning face of the adjusting member, and then the clamping driving unit drives the movement of each clamping jaw to realize the clamping of the sleeve ring, which is very convenient. In the subsequent cutting operation, the laser generating unit is placed on one side of the sleeve ring and is aligned with the transition part reserved between the two sleeve rings. The laser generating unit continuously outputs laser, and the cutting operation is completed through the rotation of the laser cutting clamp.

[0009] Different clamping forms are adopted for the inner ring and the outer ring. The inner clamping form is adopted for the inner ring, that is, the clamping blocks on each adjusting member are inserted into the sleeve ring. During clamping, each clamping jaw expands outward until each clamping block is in contact with the inner wall of the sleeve ring. The outer clamping form is adopted for the outer ring, that is, each adjusting member is located outside the sleeve ring. During clamping, each clamping jaw contracts inward until each clamping block is clamped and clamped with the outer wall of the sleeve ring.

[0010] As a preferred, the locking assembly includes a three-jaw chuck, which can be obtained by modifying the three-jaw chuck. The modification cost is low.

[0011] As a preferred, it further includes a transition mounting unit. The transition mounting unit corresponds to the adjusting member one by one. The adjusting member is connected with the clamping jaw through the transition mounting unit.

[0012] As a preferred, the transition mounting unit is provided with a slot. The clamping jaw is inserted into the slot. A locking bolt is arranged between the transition mounting unit and the clamping jaw.

[0013] The transition mounting unit can extend the length and height of the clamping jaw, and increase the size range of the applicable sleeve ring.

[0014] As a preferred, the adjusting member includes a radial adjusting block and an equal-height block. The radial adjusting block is fixedly connected with the clamping jaw. The equal-height block is connected with the radial adjusting block. The equal-height block can adjust the position relative to the radial adjusting block along the length direction of the clamping jaw.

[0015] As a preferred, a plurality of connecting holes are arranged on the radial adjusting block. The connecting holes are sequentially distributed along the length direction of the clamping jaw. A positioning pin is connected with the equal-height block. The equal-height block and the radial adjusting block are connected through the positioning pin and the connecting hole.

[0016] By adjusting the position of the equal-height block relative to the radial adjusting block, the position of the clamping block can be adjusted, and the size range of the clamped sleeve ring can be adjusted. The adjusting operation is convenient, and the efficiency of model change can be effectively improved.

[0017] As a preferred, a part of the positioning pin protrudes from the positioning face of the equal-height block to form a clamping block.

[0018] The cutting device for double-row symmetrical machining of bearing ring comprises a laser generating unit and a laser cutting fixture as described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 4 is a structural schematic view of a bearing inner ring machined by the cutting device for double-row symmetrical machining of bearing ring according to the embodiment;

[0020] Figure 2 Fig. 5 is a structural schematic view of a bearing outer ring machined by the cutting device for double-row symmetrical machining of bearing ring according to the embodiment;

[0021] Figure 3 Fig. 6 is a structural schematic view of the cutting device for double-row symmetrical machining of bearing ring according to the embodiment, in which a bearing inner ring is machined;

[0022] Figure 4 Fig. 7 is a structural schematic view of the cutting device for double-row symmetrical machining of bearing ring according to the embodiment, in which a bearing outer ring is machined;

[0023] Figure 5 Fig. 8 is a front view of the laser cutting fixture in the cutting device for double-row symmetrical machining of bearing ring according to the embodiment;

[0024] Figure 6 Fig. 9 is a top view of the laser cutting fixture in the cutting device for double-row symmetrical machining of bearing ring according to the embodiment. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will make further detailed description to the utility model by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. EMBODIMENT

[0026] As shown in Figure 3 and Figure 4 , the cutting device for double-row symmetrical machining of bearing ring comprises a laser generating unit 8 and a laser cutting fixture.

[0027] As shown in Figure 5 and Figure 6 , the laser cutting fixture comprises a locking assembly and an adjusting member, the locking assembly comprises a fixture base 1, a clamping driving unit and at least two clamping jaws 2, and the fixture base 1 is provided with a clamping center. The clamping jaws 2 are movably arranged on the fixture base 1, each clamping jaw 2 is coplanarly arranged, and the length direction extension lines of each clamping jaw 2 intersect at the clamping center. The clamping driving unit is used to drive the clamping jaws 2 to move relative to the fixture base 1 along the length direction of the clamping jaws 2.

[0028] Specifically, asFigure 5 and Figure 6 As shown in the drawings, the locking assembly comprises a three-jaw chuck, which can be obtained by modification of the three-jaw chuck at a low cost.

[0029] As shown in the drawings, Figure 5 and Figure 6 The adjusting member corresponds to the clamping jaw 2 one-to-one and is detachably connected with the corresponding clamping jaw 2. One side of the adjusting member is a positioning surface, and the positioning surfaces of the adjusting members are arranged in alignment. Each adjusting member is provided with a clamping block 6.

[0030] As shown in the drawings, Figure 5 and Figure 6 Further comprising a transition mounting unit 3, which corresponds to the adjusting member one-to-one. The adjusting member is connected with the clamping jaw through the transition mounting unit 3. The transition mounting unit is provided with a slot, and the clamping jaw is inserted into the slot. A locking bolt is arranged between the transition mounting unit and the clamping jaw.

[0031] The transition mounting unit 3 can extend the length and height of the clamping jaw, thereby increasing the size range of the applicable ferrule.

[0032] As shown in the drawings, Figure 5 and Figure 6 The adjusting member comprises a radial adjusting block 4 and an equal-height block 5. The radial adjusting block 4 is fixedly connected with the transition mounting unit 3. The equal-height block 5 is connected with the radial adjusting block 4, and the position of the equal-height block 5 relative to the radial adjusting block 4 can be adjusted along the length direction of the clamping jaw 2. Specifically, a plurality of connecting holes 41 are formed in the radial adjusting block 4, and the connecting holes 41 are arranged in sequence along the length direction of the clamping jaw. The equal-height block 5 is connected with a positioning pin, and the equal-height block 5 and the radial adjusting block 4 are connected through the positioning pin and the connecting holes 41.

[0033] By adjusting the position of the equal-height block 5 relative to the radial adjusting block 4, the position of the clamping block 6 can be adjusted, and the size range of the clamped ferrule can be adjusted. The adjusting operation is convenient, and the efficiency of model change can be effectively improved.

[0034] As shown in the drawings, Figure 5 and Figure 6 Specifically, the equal-height block 5 is provided with a plug-in through hole, and the positioning pin is arranged through the plug-in through hole. A part of the positioning pin protrudes from the positioning surface of the equal-height block 5 to form the clamping block 6.

[0035] When the clamping operation is performed, the end face of the sleeve ring 7 is in contact with the positioning face of the adjusting member, and then the clamping driving unit drives the movement of each clamping jaw 2 to realize the clamping of the sleeve ring 7, and the operation is very convenient. In the subsequent cutting operation, the laser generating unit 8 is arranged on the side of the sleeve ring and is aligned with the transition part reserved between the two sleeve rings, the laser generating unit 8 continuously outputs laser, and the cutting operation can be completed through the rotation of the laser cutting clamp.

[0036] Different clamping forms are adopted for the inner ring and the outer ring, wherein the inner clamping form is adopted for the inner ring, that is, each clamping block 6 on the adjusting member is inserted into the sleeve ring, each clamping jaw 2 is expanded outward during clamping, and each clamping block 6 is in contact with and clamped by the inner wall of the sleeve ring. The outer clamping form is adopted for the outer ring, that is, each adjusting member is located outside the sleeve ring, each clamping jaw 2 is retracted inward during clamping, and each clamping block 6 is clamped by the outer wall of the sleeve ring.

[0037] In summary, the above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A laser cutting fixture for double row symmetrical machining of bearing ring, characterized in that: The locking assembly comprises a clamp base, a clamping driving unit and at least two clamping jaws, the clamp base is provided with a clamping center, the clamping jaws are movably arranged on the clamp base, each clamping jaw is coplanarly arranged, and the length direction extension lines of each clamping jaw intersect at the clamping center, and the clamping driving unit is used for driving the clamping jaws to move relative to the clamp base along the length direction of the clamping jaws. The adjusting member corresponds to the clamping jaw one by one and is detachably connected with the corresponding clamping jaw, one side of the adjusting member is a positioning surface, the positioning surfaces of the adjusting members are arranged in alignment, and each adjusting member is provided with a clamping block on the positioning surface.

2. The laser cutting fixture of claim 1, wherein: The locking assembly comprises a three-jaw chuck.

3. The laser cutting fixture of claim 2, wherein: The transition mounting unit corresponds to the adjusting member one by one, and the adjusting member is connected with the clamping jaw through the transition mounting unit.

4. The laser cutting fixture of claim 3, wherein: The transition mounting unit is provided with a slot, the clamping jaw is inserted into the slot, and the transition mounting unit and the clamping jaw are provided with locking bolts.

5. The laser cutting fixture of claim 1, wherein: The adjusting member comprises a radial adjusting block and an equal-height block, the radial adjusting block is fixedly connected with the clamping jaw, the equal-height block is connected with the radial adjusting block, and the equal-height block can adjust the position relative to the radial adjusting block along the length direction of the clamping jaw.

6. The laser cutting fixture of claim 5, wherein: A plurality of connecting holes are formed in the radial adjusting block and are sequentially distributed along the length direction of the clamping jaw, the equal-height block is connected with a positioning pin, and the equal-height block and the radial adjusting block are connected through the positioning pin and the connecting holes.

7. The laser cutting fixture of claim 6, wherein: Part of the positioning pin protrudes from the positioning surface of the equal-height block to form a clamping block.

8. A cutting apparatus for double row symmetrical machining of bearing rings, characterized in that: The laser cutting clamp comprises a laser generating unit and the laser cutting clamp according to any one of claims 1-7.

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