Cathode support based on inner circle double-electrolysis grinding machining

Abstract

The utility model discloses a cathode support based on inner circle double-electrolysis grinding machining, which comprises a bottom plate, a positioning groove is arranged at the top of the bottom plate, a bolt hole is arranged on one side of the bottom plate far away from the positioning groove, the bottom of the bottom plate is movably connected with a machine tool spindle box, a limit bolt is movably sleeved in the positioning groove at the top of the bottom plate, and the limit bolt is connected with the bolt hole. The bottom plate is movably connected with a machine tool spindle box through limiting bolts, the inner sides of bolt holes formed in the side face of the bottom plate are also in threaded connection with limiting bolts, and the bottom plate is movably connected with an electrochemical grinding cathode support in a sleeved mode through the limiting bolts on the side face. According to the utility model, the electrochemical grinding cathode bracket and the on-line electrolytic finishing cathode bracket are arranged, and the two-dimensional movement of the electrochemical grinding cathode bracket and the on-line electrolytic finishing cathode bracket is adjusted; the adjustable electrochemical grinding cathode piece is in clearance fit with the inner circle of the workpiece, and the online electrolytic finishing cathode piece is in clearance fit with the outer circle of the grinding wheel.

Description

Technical Field

[0001] The utility model relates to the technical field of double electrolytic grinding, in particular to a cathode bracket based on inner circle double electrolytic grinding. Background Art

[0002] The double electrolytic grinding technology combines the advantages of electrochemical grinding technology and online electrolytic dressing grinding technology, and can achieve high quality, high precision, high consistency and high efficiency on the workpiece surface, making this technology widely used in plane and outer circle grinding.

[0003] At present, due to the complexity of double electrolytic grinding equipment, it is impossible to process smaller inner circles, such as the inner circle of a bearing ring, and electrolytic grinding cannot be used for processing. Only a single grinding process can be used for processing. Utility Model Content

[0004] The utility model aims to solve the problem that the inner circle with smaller size cannot be processed by electrolytic grinding in the prior art, and proposes a cathode support based on double electrolytic grinding of the inner circle.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cathode support based on inner circle double electrolytic grinding processing comprises a base plate, a positioning groove is provided on the top of the base plate, a bolt hole is provided on the side of the base plate away from the positioning groove, the bottom of the base plate is movably connected to a machine tool spindle box, a limiting bolt is movably sleeved inside the positioning groove at the top of the base plate, and the base plate is movably connected to the machine tool spindle box through the limiting bolt, the inner side of the bolt hole provided on the side of the base plate is also threadedly connected to the limiting bolt, the base plate is movably sleeved with an electrochemical grinding cathode support through the limiting bolt on the side, an adjustment block is movably sleeved at a position near the middle of the top of the electrochemical grinding cathode support through the limiting bolt, an online electrolytic dressing cathode support is movably sleeved at a position near the bottom of the back of the adjustment block through the limiting bolt, and an online electrolytic dressing cathode sheet is movably connected to the online electrolytic dressing cathode support at a side away from the base plate.

[0007] Preferably, the electrochemical grinding cathode bracket is provided with a positioning groove near the bottom plate, the electrochemical grinding cathode bracket is movably connected to the limiting bolt threaded on the bottom plate through the positioning groove, and the electrochemical grinding cathode plate is movably connected to the side of the electrochemical grinding cathode bracket away from the bottom plate.

[0008] Preferably, the online electrolytic dressing cathode bracket and the electrochemical grinding cathode bracket are both fixedly and movably connected with a circumferential locking device on one side near the back, the positions of the online electrolytic dressing cathode sheet and the electrochemical grinding cathode sheet are adjusted and controlled by the circumferential locking device, and the position of the online electrolytic dressing cathode sheet near the front and the position of the electrochemical grinding cathode sheet near the back are both connected with an electrolyte connector.

[0009] Preferably, the adjusting block is L-shaped as a whole, and limiting grooves are provided at both ends of the adjusting block away from the middle corners.

[0010] Preferably, the top of the electrochemical grinding cathode sheet and the back of the online electrolytic dressing cathode sheet are both provided with electrolyte outlets, and the circumferential locking device mainly includes a through hole and a locking bolt.

[0011] Preferably, a bearing ring is provided on the top of the electrochemical grinding cathode support, and a grinding wheel is provided on the back of the online electrolytic dressing cathode support.

[0012] Preferably, the limiting groove on the adjusting block is used for movably connecting with the electrochemical grinding cathode support and the online electrolytic dressing cathode support, and the limiting groove on the adjusting block can adjust the two-dimensional movement of the online electrolytic dressing cathode support in space.

[0013] Compared with the prior art, the utility model provides a cathode bracket based on inner circle double electrolytic grinding, which has the following beneficial effects:

[0014] 1. The cathode holder based on inner circle double electrolytic grinding processing is provided with an electrochemical grinding cathode holder and an online electrolytic dressing cathode holder. By adjusting the two-dimensional movement of the electrochemical grinding cathode holder and the online electrolytic dressing cathode holder, and simultaneously using bolts to perform rotational positioning and locking of the cathode sheet, the gap between the electrochemical grinding cathode sheet and the inner circle of the workpiece and the gap between the online electrolytic dressing cathode sheet and the outer circle of the grinding wheel can be adjusted to match.

[0015] 2. The cathode support based on inner circle double electrolytic grinding is provided with an electrolyte outlet on the cathode sheet, and the liquid is supplied from the center of the cathode sheet, so that the electrolyte can be more uniform in the inter-electrode gap, the electrolytic stability is improved, and the surface quality of the double electrolytic machining is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a cathode support based on inner circle double electrolytic grinding proposed by the utility model;

[0017] Figure 2 The utility model is a schematic diagram of a bottom plate of a cathode support based on inner circle double electrolytic grinding.

[0018] Figure 3 The utility model discloses a schematic structural diagram of an electrochemically ground cathode support for a cathode support based on inner circle double electrolytic grinding.

[0019] Figure 4 The utility model discloses a structural schematic diagram of an online electrolytic dressing cathode support of a cathode support based on inner circle double electrolytic grinding.

[0020] Figure 5 The utility model is a schematic diagram of double electrolytic machining of a cathode support based on double electrolytic grinding of an inner circle.

[0021] Figure 6 The utility model is a schematic structural diagram of a cathode sheet of a cathode support based on inner circle double electrolytic grinding.

[0022] In the figure: 1. bottom plate; 11. machine tool spindle box; 2. electrochemical grinding cathode bracket; 21. positioning groove; 22. electrochemical grinding cathode sheet; 3. adjustment block; 4. online electrolytic dressing cathode bracket; 41. online electrolytic dressing cathode sheet; 5. electrolyte connector; 6. circumferential locking device; 7. bearing ring; 8. grinding wheel; 9. electrolyte outlet; 10. through hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Reference Figure 1-6A cathode support based on inner circle double electrolytic grinding processing comprises a bottom plate 1, a positioning groove is provided on the top of the bottom plate 1, a bolt hole is provided on the side of the bottom plate 1 away from the positioning groove, the bottom of the bottom plate 1 is movably connected to a machine tool spindle box 11, a limiting bolt is movably sleeved inside the positioning groove at the top of the bottom plate 1, and the bottom plate 1 is movably connected to the machine tool spindle box 11 through the limiting bolt, and the inner side of the bolt hole provided on the side of the bottom plate 1 is also threadedly connected to the limiting bolt, the bottom plate 1 is movably sleeved with an electrochemical grinding cathode support 2 through the limiting bolt on the side, and an adjusting block 3 is movably sleeved at a position near the middle of the top of the electrochemical grinding cathode support 2 through the limiting bolt, the limiting groove on the adjusting block 3 is used for movably sleeved with the electrochemical grinding cathode support 2 and the online electrolytic dressing cathode support 4, and the limiting groove on the adjusting block 3 can adjust the two-dimensional movement of the online electrolytic dressing cathode support 4 in space, and the back of the online electrolytic dressing cathode support 4 is close to the bottom The position of the online electrolytic dressing cathode bracket 4 is movably connected with the online electrolytic dressing cathode bracket 4 through a limiting bolt, the top of the electrochemical grinding cathode bracket 2 is provided with a bearing ring 7, the back of the online electrolytic dressing cathode bracket 4 is provided with a grinding wheel 8, and the side of the online electrolytic dressing cathode bracket 4 away from the bottom plate 1 is movably connected with the online electrolytic dressing cathode sheet 41, and the movement of the equipment in the horizontal direction can be adjusted through three penetrating adjustment grooves on the bottom plate 1, and the two penetrating positioning grooves 21 are provided at the end of the electrochemical grinding cathode 2, so that the movement of the electrochemical grinding cathode 2 in the vertical direction can be adjusted, thereby adjusting the relative position between the electrochemical grinding cathode sheet 22 and the bearing ring 7, and two penetrating limiting grooves are provided at both ends of the adjustment block 3 to connect the electrochemical grinding cathode bracket 2 and the online electrolytic dressing cathode bracket 4, so that the two-dimensional movement of the online electrolytic dressing cathode bracket 4 in space can be adjusted, thereby adjusting the relative position between the online electrolytic dressing cathode sheet 41 and the grinding wheel 8.

[0026] Reference Figure 2-6The electrochemically ground cathode support 2 is provided with a positioning groove 21 near the bottom plate 1, and the electrochemically ground cathode support 2 is movably connected with the limit bolts threaded on the bottom plate 1 through the positioning groove 21. The side of the electrochemically ground cathode support 2 away from the bottom plate 1 is movably connected with the electrochemically ground cathode sheet 22, and the online electrolysis dressing cathode support 4 and the side of the electrochemically ground cathode support 2 near the back are both fixedly and movably connected with a circumferential locking device 6. The positions of the online electrolysis dressing cathode sheet 41 and the electrochemically ground cathode sheet 22 are both adjusted and controlled by the circumferential locking device 6. The front position of the dressing cathode sheet 41 and the back position of the electrochemical grinding cathode sheet 22 are both connected to the electrolyte connector 5. The adjustment block 3 is L-shaped as a whole, and limiting grooves are provided at both ends of the adjustment block 3 away from the middle corners. The top of the electrochemical grinding cathode sheet 22 and the back of the online electrolytic dressing cathode sheet 41 are both provided with electrolyte outlets 9. The circumferential locking device 6 mainly includes a through hole 10 and a locking bolt, and the fine angles between the electrochemical grinding cathode sheet 22 and the bearing ring 7, and the online electrolytic dressing cathode sheet 41 and the grinding wheel 8 can be simply adjusted through the circumferential locking device 6.

[0027] In the utility model, firstly, the base plate 1 is fixed to the machine tool spindle box 11 by three bolts, and then two limit bolts are used to connect the base plate 1 through the positioning groove 21 at the end of the electrochemical grinding cathode bracket 2, and the relative position between the electrochemical grinding cathode sheet 22 and the bearing ring 7 is adjusted through the positioning groove 21 on the base plate 1 and the electrochemical grinding cathode 2, and then the relative angle between the electrochemical grinding cathode sheet 22 and the bearing ring 7 is adjusted through the circumferential locking device 6, so that the gap between the positive and negative electrodes during electrochemical grinding can be adjusted, and the gap between the positive and negative electrodes during electrochemical grinding can be adjusted by adjusting the block 3. The limiting grooves at both ends connect the online electrolytic dressing cathode support 4 to the electrochemical grinding cathode support 2. The relative position between the online electrolytic dressing cathode sheet 41 and the grinding wheel 8 is adjusted by adjusting the adjustment block 3 and the circumferential locking device 6, so as to adjust the gap between the positive and negative poles during online electrolytic dressing. The electrolyte outlet 9 and the electrolyte connector 5 provided on the electrochemical grinding cathode sheet 22 and the online electrolytic dressing cathode sheet 41 can supply liquid from the center of the two cathode sheets, so that the electrolyte is more uniform in the inter-electrode gap and the electrolytic stability is improved.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cathode support based on inner circle double electrolytic grinding, comprising a bottom plate (1), characterized in that: The top of the base plate (1) is provided with an adjustment groove, a bolt hole is provided on a side of the base plate (1) away from the adjustment groove, the bottom of the base plate (1) is movably connected to a machine tool spindle box (11), a limit bolt is movably sleeved inside the adjustment groove at the top of the base plate (1), and the base plate (1) is movably connected to the machine tool spindle box (11) through the limit bolt, and the inner side of the bolt hole provided on the side of the base plate (1) is also threadedly connected to the limit bolt, the base plate (1) is movably sleeved with an electrochemical grinding cathode support (2) through the limit bolt on the side, the top of the electrochemical grinding cathode support (2) is movably sleeved with an adjustment block (3) through the limit bolt near the middle, the back of the adjustment block (3) is movably sleeved with an online electrolytic dressing cathode support (4) through the limit bolt, and the side of the online electrolytic dressing cathode support (4) away from the base plate (1) is movably connected with an online electrolytic dressing cathode sheet (41).

2. A cathode support based on inner circle double electrolytic grinding according to claim 1, characterized in that: The electrochemical grinding cathode support (2) is provided with a positioning groove (21) near the bottom plate (1); the electrochemical grinding cathode support (2) is movably sleeved with a limit bolt threadedly connected to the bottom plate (1) via the positioning groove (21); and the electrochemical grinding cathode support (2) is movably connected to an electrochemical grinding cathode sheet (22) on a side away from the bottom plate (1).

3. The cathode support based on inner circle double electrolytic grinding according to claim 1, characterized in that: The online electrolytic dressing cathode support (4) and the electrochemical grinding cathode support (2) are both fixedly and movably connected with a circumferential locking device (6) on one side close to the back, and the positions of the online electrolytic dressing cathode sheet (41) and the electrochemical grinding cathode sheet (22) are both adjusted and controlled by the circumferential locking device (6). The position of the online electrolytic dressing cathode sheet (41) close to the front and the position of the electrochemical grinding cathode sheet (22) close to the back are both connected with an electrolyte connector (5).

4. The cathode support based on inner circle double electrolytic grinding according to claim 1, characterized in that: The adjusting block (3) is L-shaped as a whole, and limiting grooves are provided at both ends of the adjusting block (3) away from the middle corners.

5. The cathode support based on inner circle double electrolytic grinding according to claim 3 is characterized in that: The top of the electrochemical grinding cathode sheet (22) and the back of the online electrolytic dressing cathode sheet (41) are both provided with electrolyte outlets (9), and the circumferential locking device (6) mainly includes a through hole (10) and a locking bolt.

6. The cathode support based on inner circle double electrolytic grinding according to claim 1, characterized in that: A bearing ring (7) is provided on the top of the electrochemical grinding cathode support (2), and a grinding wheel (8) is provided on the back of the online electrolytic dressing cathode support (4).

7. The cathode support based on internal double electrolytic grinding according to claim 1, characterized in that: The limiting groove on the adjusting block (3) is used for movably sleeved connection with the electrochemical grinding cathode support (2) and the online electrolytic dressing cathode support (4), and the limiting groove on the adjusting block (3) can adjust the two-dimensional movement of the online electrolytic dressing cathode support (4) in space.

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